diff options
Diffstat (limited to 'mdk-stage1/slang')
67 files changed, 0 insertions, 47013 deletions
diff --git a/mdk-stage1/slang/Makefile b/mdk-stage1/slang/Makefile deleted file mode 100644 index 111062578..000000000 --- a/mdk-stage1/slang/Makefile +++ /dev/null @@ -1,42 +0,0 @@ - #****************************************************************************** - # - # Guillaume Cottenceau (gc@mandrakesoft.com) - # - # Copyright 2000 Mandrakesoft - # - # This software may be freely redistributed under the terms of the GNU - # public license. - # - # You should have received a copy of the GNU General Public License - # along with this program; if not, write to the Free Software - # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - # - #***************************************************************************** - -top_dir = .. - -include $(top_dir)/Makefile.common - - -LIBNAME = libslang - -OBJS = sltermin.o sldisply.o slutty.o slang.o slarray.o slclass.o slcmd.o slerr.o slgetkey.o slkeymap.o slmalloc.o slmath.o slmemchr.o slmemcmp.o slmemcpy.o slmemset.o slmisc.o slparse.o slprepr.o slregexp.o slrline.o slsearch.o slsmg.o slstd.o sltoken.o sltypes.o slxstrng.o slcurses.o slscroll.o slsignal.o slkeypad.o slerrno.o slstring.o slstruct.o slcmplex.o slarrfun.o slimport.o slpath.o slarith.o slassoc.o slcompat.o slposdir.o slstdio.o slproc.o sltime.o slstrops.o slbstr.o slpack.o slintall.o slistruc.o slposio.o slnspace.o slarrmis.o slospath.o slscanf.o - -DEFS = -Dunix -DSLANG - -INCS = - - -TARGETS = $(LIBNAME).a - -all: $(TARGETS) - -clean: - rm -f *.o *.a - -$(LIBNAME).a: $(OBJS) - ar -cru $@ $^ - ranlib $@ - -$(OBJS): %.o: %.c - $(DIET) gcc $(CFLAGS) $(DEFS) $(INCS) $(INCLUDES) -c $< -o $@ diff --git a/mdk-stage1/slang/_slang.h b/mdk-stage1/slang/_slang.h deleted file mode 100644 index 02ee13505..000000000 --- a/mdk-stage1/slang/_slang.h +++ /dev/null @@ -1,743 +0,0 @@ -#ifndef _PRIVATE_SLANG_H_ -#define _PRIVATE_SLANG_H_ -/* header file for S-Lang internal structures that users do not (should not) - need. Use slang.h for that purpose. */ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -/* #include "config.h" */ -#include "jdmacros.h" -#include "sllimits.h" - -#ifdef VMS -# define SLANG_SYSTEM_NAME "_VMS" -#else -# if defined (IBMPC_SYSTEM) -# define SLANG_SYSTEM_NAME "_IBMPC" -# else -# define SLANG_SYSTEM_NAME "_UNIX" -# endif -#endif /* VMS */ - -/* These quantities are main_types for byte-compiled code. They are used - * by the inner_interp routine. The _BC_ means byte-code. - */ - -#define _SLANG_BC_LVARIABLE SLANG_LVARIABLE /* 0x01 */ -#define _SLANG_BC_GVARIABLE SLANG_GVARIABLE /* 0x02 */ -#define _SLANG_BC_IVARIABLE SLANG_IVARIABLE /* 0x03 */ -#define _SLANG_BC_RVARIABLE SLANG_RVARIABLE /* 0x04 */ -#define _SLANG_BC_INTRINSIC SLANG_INTRINSIC /* 0x05 */ -#define _SLANG_BC_FUNCTION SLANG_FUNCTION /* 0x06 */ -#define _SLANG_BC_MATH_UNARY SLANG_MATH_UNARY /* 0x07 */ -#define _SLANG_BC_APP_UNARY SLANG_APP_UNARY /* 0x08 */ -#define _SLANG_BC_ICONST SLANG_ICONSTANT /* 0x09 */ -#define _SLANG_BC_DCONST SLANG_DCONSTANT /* 0x0A */ -#define _SLANG_BC_PVARIABLE SLANG_PVARIABLE /* 0x0B */ -#define _SLANG_BC_PFUNCTION SLANG_PFUNCTION /* 0x0C */ - -#define _SLANG_BC_BINARY 0x10 -#define _SLANG_BC_LITERAL 0x11 /* constant objects */ -#define _SLANG_BC_LITERAL_INT 0x12 -#define _SLANG_BC_LITERAL_STR 0x13 -#define _SLANG_BC_BLOCK 0x14 - -/* These 3 MUST be in this order too ! */ -#define _SLANG_BC_RETURN 0x15 -#define _SLANG_BC_BREAK 0x16 -#define _SLANG_BC_CONTINUE 0x17 - -#define _SLANG_BC_EXCH 0x18 -#define _SLANG_BC_LABEL 0x19 -#define _SLANG_BC_LOBJPTR 0x1A -#define _SLANG_BC_GOBJPTR 0x1B -#define _SLANG_BC_X_ERROR 0x1C -/* These must be in this order */ -#define _SLANG_BC_X_USER0 0x1D -#define _SLANG_BC_X_USER1 0x1E -#define _SLANG_BC_X_USER2 0x1F -#define _SLANG_BC_X_USER3 0x20 -#define _SLANG_BC_X_USER4 0x21 - -#define _SLANG_BC_CALL_DIRECT 0x24 -#define _SLANG_BC_CALL_DIRECT_FRAME 0x25 -#define _SLANG_BC_UNARY 0x26 -#define _SLANG_BC_UNARY_FUNC 0x27 - -#define _SLANG_BC_DEREF_ASSIGN 0x30 -#define _SLANG_BC_SET_LOCAL_LVALUE 0x31 -#define _SLANG_BC_SET_GLOBAL_LVALUE 0x32 -#define _SLANG_BC_SET_INTRIN_LVALUE 0x33 -#define _SLANG_BC_SET_STRUCT_LVALUE 0x34 -#define _SLANG_BC_FIELD 0x35 -#define _SLANG_BC_SET_ARRAY_LVALUE 0x36 - -#define _SLANG_BC_LINE_NUM 0x40 - -#define _SLANG_BC_TMP 0x50 -#define _SLANG_BC_LVARIABLE_AGET 0x60 -#define _SLANG_BC_LVARIABLE_APUT 0x61 -#define _SLANG_BC_INTEGER_PLUS 0x62 -#define _SLANG_BC_INTEGER_MINUS 0x63 -#define _SLANG_BC_ARG_LVARIABLE 0x64 -#define _SLANG_BC_EARG_LVARIABLE 0x65 - -#define _SLANG_BC_CALL_DIRECT_INTRINSIC 0x80 -#define _SLANG_BC_INTRINSIC_CALL_DIRECT 0x81 -#define _SLANG_BC_CALL_DIRECT_LSTR 0x82 -#define _SLANG_BC_CALL_DIRECT_SLFUN 0x83 -#define _SLANG_BC_CALL_DIRECT_INTRSTOP 0x84 -#define _SLANG_BC_INTRINSIC_STOP 0x85 -#define _SLANG_BC_CALL_DIRECT_EARG_LVAR 0x86 -#define _SLANG_BC_CALL_DIRECT_LINT 0x87 -#define _SLANG_BC_CALL_DIRECT_LVAR 0x88 - - -/* Byte-Code Sub Types (_BCST_) */ - -/* These are sub_types of _SLANG_BC_BLOCK */ -#define _SLANG_BCST_ERROR_BLOCK 0x01 -#define _SLANG_BCST_EXIT_BLOCK 0x02 -#define _SLANG_BCST_USER_BLOCK0 0x03 -#define _SLANG_BCST_USER_BLOCK1 0x04 -#define _SLANG_BCST_USER_BLOCK2 0x05 -#define _SLANG_BCST_USER_BLOCK3 0x06 -#define _SLANG_BCST_USER_BLOCK4 0x07 -/* The user blocks MUST be in the above order */ -#define _SLANG_BCST_LOOP 0x10 -#define _SLANG_BCST_WHILE 0x11 -#define _SLANG_BCST_FOR 0x12 -#define _SLANG_BCST_FOREVER 0x13 -#define _SLANG_BCST_CFOR 0x14 -#define _SLANG_BCST_DOWHILE 0x15 -#define _SLANG_BCST_FOREACH 0x16 - -#define _SLANG_BCST_IF 0x20 -#define _SLANG_BCST_IFNOT 0x21 -#define _SLANG_BCST_ELSE 0x22 -#define _SLANG_BCST_ANDELSE 0x23 -#define _SLANG_BCST_ORELSE 0x24 -#define _SLANG_BCST_SWITCH 0x25 -#define _SLANG_BCST_NOTELSE 0x26 - -/* assignment (_SLANG_BC_SET_*_LVALUE) subtypes. The order MUST correspond - * to the assignment token order with the ASSIGN_TOKEN as the first! - */ -#define _SLANG_BCST_ASSIGN 0x01 -#define _SLANG_BCST_PLUSEQS 0x02 -#define _SLANG_BCST_MINUSEQS 0x03 -#define _SLANG_BCST_TIMESEQS 0x04 -#define _SLANG_BCST_DIVEQS 0x05 -#define _SLANG_BCST_BOREQS 0x06 -#define _SLANG_BCST_BANDEQS 0x07 -#define _SLANG_BCST_PLUSPLUS 0x08 -#define _SLANG_BCST_POST_PLUSPLUS 0x09 -#define _SLANG_BCST_MINUSMINUS 0x0A -#define _SLANG_BCST_POST_MINUSMINUS 0x0B - -/* These use SLANG_PLUS, SLANG_MINUS, SLANG_PLUSPLUS, etc... */ - -typedef union -{ -#if SLANG_HAS_FLOAT - double double_val; - float float_val; -#endif - long long_val; - unsigned long ulong_val; - VOID_STAR ptr_val; - char *s_val; - int int_val; - unsigned int uint_val; - SLang_MMT_Type *ref; - SLang_Name_Type *n_val; - struct _SLang_Struct_Type *struct_val; - struct _SLang_Array_Type *array_val; - short short_val; - unsigned short ushort_val; - char char_val; - unsigned char uchar_val; -} -_SL_Object_Union_Type; - -typedef struct _SLang_Object_Type -{ - unsigned char data_type; /* SLANG_INT_TYPE, ... */ - _SL_Object_Union_Type v; -} -SLang_Object_Type; - -struct _SLang_MMT_Type -{ - unsigned char data_type; /* int, string, etc... */ - VOID_STAR user_data; /* address of user structure */ - unsigned int count; /* number of references */ -}; - -extern int _SLang_pop_object_of_type (unsigned char, SLang_Object_Type *, int); - -typedef struct -{ - char *name; /* slstring */ - SLang_Object_Type obj; -} -_SLstruct_Field_Type; - -typedef struct _SLang_Struct_Type -{ - _SLstruct_Field_Type *fields; - unsigned int nfields; /* number used */ - unsigned int num_refs; -} -_SLang_Struct_Type; - -extern void _SLstruct_delete_struct (_SLang_Struct_Type *); -extern int _SLang_push_struct (_SLang_Struct_Type *); -extern int _SLang_pop_struct (_SLang_Struct_Type **); -extern int _SLstruct_init (void); -/* extern int _SLstruct_get_field (char *); */ -extern int _SLstruct_define_struct (void); -extern int _SLstruct_define_typedef (void); - -extern int _SLang_pop_datatype (unsigned char *); -extern int _SLang_push_datatype (unsigned char); - -struct _SLang_Ref_Type -{ - int is_global; - union - { - SLang_Name_Type *nt; - SLang_Object_Type *local_obj; - } - v; -}; - -extern int _SLang_dereference_ref (SLang_Ref_Type *); -extern int _SLang_deref_assign (SLang_Ref_Type *); -extern int _SLang_push_ref (int, VOID_STAR); - -extern int _SL_increment_frame_pointer (void); -extern int _SL_decrement_frame_pointer (void); - -extern int SLang_pop(SLang_Object_Type *); -extern void SLang_free_object (SLang_Object_Type *); -extern int _SLanytype_typecast (unsigned char, VOID_STAR, unsigned int, - unsigned char, VOID_STAR); -extern void _SLstring_intrinsic (void); - - -/* These functions are used to create slstrings of a fixed length. Be - * very careful how they are used. In particular, if len bytes are allocated, - * then the string must be len characters long, no more and no less. - */ -extern char *_SLallocate_slstring (unsigned int); -extern char *_SLcreate_via_alloced_slstring (char *, unsigned int); -extern void _SLunallocate_slstring (char *, unsigned int); -extern int _SLpush_alloced_slstring (char *, unsigned int); - -typedef struct -{ - char **buf; - unsigned int max_num; - unsigned int num; - unsigned int delta_num; -} -_SLString_List_Type; -extern int _SLstring_list_append (_SLString_List_Type *, char *); -extern int _SLstring_list_init (_SLString_List_Type *, unsigned int, unsigned int); -extern void _SLstring_list_delete (_SLString_List_Type *); -extern int _SLstring_list_push (_SLString_List_Type *); - -/* This function assumes that s is an slstring. */ -extern char *_SLstring_dup_slstring (char *); -extern int _SLang_dup_and_push_slstring (char *); - - -extern int _SLang_init_import (void); - -/* This function checks to see if the referenced object is initialized */ -extern int _SLang_is_ref_initialized (SLang_Ref_Type *); -extern int _SLcheck_identifier_syntax (char *); -extern int _SLang_uninitialize_ref (SLang_Ref_Type *); - -extern int _SLpush_slang_obj (SLang_Object_Type *); - -extern char *_SLexpand_escaped_char(char *, char *); -extern void _SLexpand_escaped_string (char *, char *, char *); - -/* returns a pointer to an SLstring string-- use SLang_free_slstring */ -extern char *_SLstringize_object (SLang_Object_Type *); -extern int _SLdump_objects (char *, SLang_Object_Type *, unsigned int, int); - -extern SLang_Object_Type *_SLRun_Stack; -extern SLang_Object_Type *_SLStack_Pointer; - -struct _SLang_NameSpace_Type -{ - struct _SLang_NameSpace_Type *next; - char *name; /* this is the load_type name */ - char *namespace_name; /* this name is assigned by implements */ - unsigned int table_size; - SLang_Name_Type **table; -}; -extern SLang_NameSpace_Type *_SLns_allocate_namespace (char *, unsigned int); -extern SLang_NameSpace_Type *_SLns_find_namespace (char *); -extern int _SLns_set_namespace_name (SLang_NameSpace_Type *, char *); -extern SLang_Array_Type *_SLnspace_apropos (SLang_NameSpace_Type *, char *, unsigned int); -extern void _SLang_use_namespace_intrinsic (char *name); -extern char *_SLang_cur_namespace_intrinsic (void); -extern SLang_Array_Type *_SLang_apropos (char *, char *, unsigned int); -extern void _SLang_implements_intrinsic (char *); - -extern int _SLang_Trace; -extern int _SLstack_depth(void); -extern char *_SLang_Current_Function_Name; - -extern int _SLang_trace_fun(char *); -extern int _SLang_Compile_Line_Num_Info; - -extern char *_SLstring_dup_hashed_string (char *, unsigned long); -extern unsigned long _SLcompute_string_hash (char *); -extern char *_SLstring_make_hashed_string (char *, unsigned int, unsigned long *); -extern void _SLfree_hashed_string (char *, unsigned int, unsigned long); -unsigned long _SLstring_hash (unsigned char *, unsigned char *); -extern int _SLinit_slcomplex (void); - -extern int _SLang_init_slstrops (void); -extern int _SLstrops_do_sprintf_n (int); -extern int _SLang_sscanf (void); -extern double _SLang_atof (char *); -extern int _SLang_init_bstring (void); -extern int _SLang_init_sltime (void); -extern void _SLpack (void); -extern void _SLunpack (char *, SLang_BString_Type *); -extern void _SLpack_pad_format (char *); -extern unsigned int _SLpack_compute_size (char *); -extern int _SLusleep (unsigned long); - -/* frees upon error. NULL __NOT__ ok. */ -extern int _SLang_push_slstring (char *); - -extern unsigned char _SLarith_promote_type (unsigned char); -extern int _SLarith_get_precedence (unsigned char); -extern int _SLarith_typecast (unsigned char, VOID_STAR, unsigned int, - unsigned char, VOID_STAR); - -extern int SLang_push(SLang_Object_Type *); -extern int SLadd_global_variable (char *); -extern void _SLang_clear_error (void); - -extern int _SLdo_pop (void); -extern unsigned int _SLsys_getkey (void); -extern int _SLsys_input_pending (int); -#ifdef IBMPC_SYSTEM -extern unsigned int _SLpc_convert_scancode (unsigned int, unsigned int, int); -#define _SLTT_KEY_SHIFT 1 -#define _SLTT_KEY_CTRL 2 -#define _SLTT_KEY_ALT 4 -#endif - -typedef struct _SLterminfo_Type SLterminfo_Type; -extern SLterminfo_Type *_SLtt_tigetent (char *); -extern char *_SLtt_tigetstr (SLterminfo_Type *, char *); -extern int _SLtt_tigetnum (SLterminfo_Type *, char *); -extern int _SLtt_tigetflag (SLterminfo_Type *, char *); - -#if SLTT_HAS_NON_BCE_SUPPORT -extern int _SLtt_get_bce_color_offset (void); -#endif -extern void (*_SLtt_color_changed_hook)(void); - -extern unsigned char SLang_Input_Buffer [SL_MAX_INPUT_BUFFER_LEN]; - -extern int _SLregister_types (void); -extern SLang_Class_Type *_SLclass_get_class (unsigned char); -extern VOID_STAR _SLclass_get_ptr_to_value (SLang_Class_Type *, SLang_Object_Type *); -extern void _SLclass_type_mismatch_error (unsigned char, unsigned char); -extern int _SLclass_init (void); -extern int _SLclass_copy_class (unsigned char, unsigned char); - -extern unsigned char _SLclass_Class_Type [256]; - -extern int (*_SLclass_get_typecast (unsigned char, unsigned char, int)) -(unsigned char, VOID_STAR, unsigned int, - unsigned char, VOID_STAR); - -extern int (*_SLclass_get_binary_fun (int, SLang_Class_Type *, SLang_Class_Type *, SLang_Class_Type **, int)) -(int, - unsigned char, VOID_STAR, unsigned int, - unsigned char, VOID_STAR, unsigned int, - VOID_STAR); - -extern int (*_SLclass_get_unary_fun (int, SLang_Class_Type *, SLang_Class_Type **, int)) -(int, unsigned char, VOID_STAR, unsigned int, VOID_STAR); - -extern int _SLarith_register_types (void); -extern unsigned char _SLarith_Arith_Types []; -extern unsigned char _SLarith_Is_Arith_Type [256]; -extern int _SLarith_bin_op (SLang_Object_Type *, SLang_Object_Type *, int); - -extern int _SLarray_add_bin_op (unsigned char); - -extern int _SLang_call_funptr (SLang_Name_Type *); -extern void _SLset_double_format (char *); -extern SLang_Name_Type *_SLlocate_global_name (char *); -extern SLang_Name_Type *_SLlocate_name (char *); - -extern char *_SLdefines[]; - -#define SL_ERRNO_NOT_IMPLEMENTED 0x7FFF -extern int _SLerrno_errno; -extern int _SLerrno_init (void); - -extern int _SLstdio_fdopen (char *, int, char *); - -extern void _SLstruct_pop_args (int *); -extern void _SLstruct_push_args (SLang_Array_Type *); - -extern int _SLarray_aput (void); -extern int _SLarray_aget (void); -extern int _SLarray_inline_implicit_array (void); -extern int _SLarray_inline_array (void); -extern int _SLarray_wildcard_array (void); - -extern int -_SLarray_typecast (unsigned char, VOID_STAR, unsigned int, - unsigned char, VOID_STAR, int); - -extern int _SLarray_aput_transfer_elem (SLang_Array_Type *, int *, - VOID_STAR, unsigned int, int); -extern int _SLarray_aget_transfer_elem (SLang_Array_Type *, int *, - VOID_STAR, unsigned int, int); -extern void _SLarray_free_array_elements (SLang_Class_Type *, VOID_STAR, unsigned int); - -extern SLang_Foreach_Context_Type * -_SLarray_cl_foreach_open (unsigned char, unsigned int); -extern void _SLarray_cl_foreach_close (unsigned char, SLang_Foreach_Context_Type *); -extern int _SLarray_cl_foreach (unsigned char, SLang_Foreach_Context_Type *); - -extern int _SLarray_matrix_multiply (void); -extern void (*_SLang_Matrix_Multiply)(void); - -extern int _SLarray_init_slarray (void); -extern SLang_Array_Type * -SLang_create_array1 (unsigned char, int, VOID_STAR, int *, unsigned int, int); - -extern int _SLcompile_push_context (SLang_Load_Type *); -extern int _SLcompile_pop_context (void); -extern int _SLang_Auto_Declare_Globals; - -typedef struct -{ - union - { - long long_val; - char *s_val; /* Used for IDENT_TOKEN, FLOAT, etc... */ - SLang_BString_Type *b_val; - } v; - int free_sval_flag; - unsigned int num_refs; - unsigned long hash; -#if _SLANG_HAS_DEBUG_CODE - int line_number; -#endif - unsigned char type; -} -_SLang_Token_Type; - -extern void _SLcompile (_SLang_Token_Type *); -extern void (*_SLcompile_ptr)(_SLang_Token_Type *); - -/* *** TOKENS *** */ - -/* Note that that tokens corresponding to ^J, ^M, and ^Z should not be used. - * This is because a file that contains any of these characters will - * have an OS dependent interpretation, e.g., ^Z is EOF on MSDOS. - */ - -/* Special tokens */ -#define EOF_TOKEN 0x01 -#define RPN_TOKEN 0x02 -#define NL_TOKEN 0x03 -#define NOP_TOKEN 0x05 -#define FARG_TOKEN 0x06 -#define TMP_TOKEN 0x07 - -#define RESERVED1_TOKEN 0x0A /* \n */ -#define RESERVED2_TOKEN 0x0D /* \r */ - -/* Literal tokens */ -#define CHAR_TOKEN 0x10 -#define UCHAR_TOKEN 0x11 -#define SHORT_TOKEN 0x12 -#define USHORT_TOKEN 0x13 -#define INT_TOKEN 0x14 -#define UINT_TOKEN 0x15 -#define LONG_TOKEN 0x16 -#define ULONG_TOKEN 0x17 -#define IS_INTEGER_TOKEN(x) ((x >= CHAR_TOKEN) && (x <= ULONG_TOKEN)) -#define FLOAT_TOKEN 0x18 -#define DOUBLE_TOKEN 0x19 -#define RESERVED3_TOKEN 0x1A /* ^Z */ -#define COMPLEX_TOKEN 0x1B -#define STRING_TOKEN 0x1C -#define BSTRING_TOKEN 0x1D -#define _BSTRING_TOKEN 0x1E /* byte-compiled BSTRING */ -#define ESC_STRING_TOKEN 0x1F - -/* Tokens that can be LVALUES */ -#define IDENT_TOKEN 0x20 -#define ARRAY_TOKEN 0x21 -#define DOT_TOKEN 0x22 -#define IS_LVALUE_TOKEN (((t) <= DOT_TOKEN) && ((t) >= IDENT_TOKEN)) - -/* do not use these values */ -#define RESERVED4_TOKEN 0x23 /* # */ -#define RESERVED5_TOKEN 0x25 /* % */ - -/* Flags for struct fields */ -#define STATIC_TOKEN 0x26 -#define READONLY_TOKEN 0x27 -#define PRIVATE_TOKEN 0x28 -#define PUBLIC_TOKEN 0x29 - -/* Punctuation tokens */ -#define OBRACKET_TOKEN 0x2a -#define CBRACKET_TOKEN 0x2b -#define OPAREN_TOKEN 0x2c -#define CPAREN_TOKEN 0x2d -#define OBRACE_TOKEN 0x2e -#define CBRACE_TOKEN 0x2f - -#define COMMA_TOKEN 0x31 -#define SEMICOLON_TOKEN 0x32 -#define COLON_TOKEN 0x33 -#define NAMESPACE_TOKEN 0x34 - -/* Operators */ -#define POW_TOKEN 0x38 - -/* The order here must match the order in the Binop_Level table in slparse.c */ -#define FIRST_BINARY_OP 0x39 -#define ADD_TOKEN 0x39 -#define SUB_TOKEN 0x3a -#define TIMES_TOKEN 0x3b -#define DIV_TOKEN 0x3c -#define LT_TOKEN 0x3d -#define LE_TOKEN 0x3e -#define GT_TOKEN 0x3f -#define GE_TOKEN 0x40 -#define EQ_TOKEN 0x41 -#define NE_TOKEN 0x42 -#define AND_TOKEN 0x43 -#define OR_TOKEN 0x44 -#define MOD_TOKEN 0x45 -#define BAND_TOKEN 0x46 -#define SHL_TOKEN 0x47 -#define SHR_TOKEN 0x48 -#define BXOR_TOKEN 0x49 -#define BOR_TOKEN 0x4a -#define POUND_TOKEN 0x4b /* matrix multiplication */ - -#define LAST_BINARY_OP 0x4b -#define IS_BINARY_OP(t) ((t >= FIRST_BINARY_OP) && (t <= LAST_BINARY_OP)) - -/* unary tokens -- but not all of them (see grammar) */ -#define DEREF_TOKEN 0x4d -#define NOT_TOKEN 0x4e -#define BNOT_TOKEN 0x4f - -#define IS_INTERNAL_FUNC(t) ((t >= 0x50) && (t <= 0x56)) -#define POP_TOKEN 0x50 -#define CHS_TOKEN 0x51 -#define SIGN_TOKEN 0x52 -#define ABS_TOKEN 0x53 -#define SQR_TOKEN 0x54 -#define MUL2_TOKEN 0x55 -#define EXCH_TOKEN 0x56 - -/* Assignment tokens. Note: these must appear with sequential values. - * The order here must match the specific lvalue assignments below. - * These tokens are used by rpn routines in slang.c. slparse.c maps them - * onto the specific lvalue tokens while parsing infix. - * Also the assignment _SLANG_BCST_ assumes this order - */ -#define ASSIGN_TOKEN 0x57 -#define PLUSEQS_TOKEN 0x58 -#define MINUSEQS_TOKEN 0x59 -#define TIMESEQS_TOKEN 0x5A -#define DIVEQS_TOKEN 0x5B -#define BOREQS_TOKEN 0x5C -#define BANDEQS_TOKEN 0x5D -#define PLUSPLUS_TOKEN 0x5E -#define POST_PLUSPLUS_TOKEN 0x5F -#define MINUSMINUS_TOKEN 0x60 -#define POST_MINUSMINUS_TOKEN 0x61 - -/* Directives */ -#define FIRST_DIRECTIVE_TOKEN 0x62 -#define IFNOT_TOKEN 0x62 -#define IF_TOKEN 0x63 -#define ELSE_TOKEN 0x64 -#define FOREVER_TOKEN 0x65 -#define WHILE_TOKEN 0x66 -#define FOR_TOKEN 0x67 -#define _FOR_TOKEN 0x68 -#define LOOP_TOKEN 0x69 -#define SWITCH_TOKEN 0x6A -#define DOWHILE_TOKEN 0x6B -#define ANDELSE_TOKEN 0x6C -#define ORELSE_TOKEN 0x6D -#define ERRBLK_TOKEN 0x6E -#define EXITBLK_TOKEN 0x6F -/* These must be sequential */ -#define USRBLK0_TOKEN 0x70 -#define USRBLK1_TOKEN 0x71 -#define USRBLK2_TOKEN 0x72 -#define USRBLK3_TOKEN 0x73 -#define USRBLK4_TOKEN 0x74 - -#define CONT_TOKEN 0x75 -#define BREAK_TOKEN 0x76 -#define RETURN_TOKEN 0x77 - -#define CASE_TOKEN 0x78 -#define DEFINE_TOKEN 0x79 -#define DO_TOKEN 0x7a -#define VARIABLE_TOKEN 0x7b -#define GVARIABLE_TOKEN 0x7c -#define _REF_TOKEN 0x7d -#define PUSH_TOKEN 0x7e -#define STRUCT_TOKEN 0x7f -#define TYPEDEF_TOKEN 0x80 -#define NOTELSE_TOKEN 0x81 -#define DEFINE_STATIC_TOKEN 0x82 -#define FOREACH_TOKEN 0x83 -#define USING_TOKEN 0x84 -#define DEFINE_PRIVATE_TOKEN 0x85 -#define DEFINE_PUBLIC_TOKEN 0x86 - -/* Note: the order here must match the order of the generic assignment tokens. - * Also, the first token of each group must be the ?_ASSIGN_TOKEN. - * slparse.c exploits this order, as well as slang.h. - */ -#define FIRST_ASSIGN_TOKEN 0x90 -#define _STRUCT_ASSIGN_TOKEN 0x90 -#define _STRUCT_PLUSEQS_TOKEN 0x91 -#define _STRUCT_MINUSEQS_TOKEN 0x92 -#define _STRUCT_TIMESEQS_TOKEN 0x93 -#define _STRUCT_DIVEQS_TOKEN 0x94 -#define _STRUCT_BOREQS_TOKEN 0x95 -#define _STRUCT_BANDEQS_TOKEN 0x96 -#define _STRUCT_PLUSPLUS_TOKEN 0x97 -#define _STRUCT_POST_PLUSPLUS_TOKEN 0x98 -#define _STRUCT_MINUSMINUS_TOKEN 0x99 -#define _STRUCT_POST_MINUSMINUS_TOKEN 0x9A - -#define _ARRAY_ASSIGN_TOKEN 0xA0 -#define _ARRAY_PLUSEQS_TOKEN 0xA1 -#define _ARRAY_MINUSEQS_TOKEN 0xA2 -#define _ARRAY_TIMESEQS_TOKEN 0xA3 -#define _ARRAY_DIVEQS_TOKEN 0xA4 -#define _ARRAY_BOREQS_TOKEN 0xA5 -#define _ARRAY_BANDEQS_TOKEN 0xA6 -#define _ARRAY_PLUSPLUS_TOKEN 0xA7 -#define _ARRAY_POST_PLUSPLUS_TOKEN 0xA8 -#define _ARRAY_MINUSMINUS_TOKEN 0xA9 -#define _ARRAY_POST_MINUSMINUS_TOKEN 0xAA - -#define _SCALAR_ASSIGN_TOKEN 0xB0 -#define _SCALAR_PLUSEQS_TOKEN 0xB1 -#define _SCALAR_MINUSEQS_TOKEN 0xB2 -#define _SCALAR_TIMESEQS_TOKEN 0xB3 -#define _SCALAR_DIVEQS_TOKEN 0xB4 -#define _SCALAR_BOREQS_TOKEN 0xB5 -#define _SCALAR_BANDEQS_TOKEN 0xB6 -#define _SCALAR_PLUSPLUS_TOKEN 0xB7 -#define _SCALAR_POST_PLUSPLUS_TOKEN 0xB8 -#define _SCALAR_MINUSMINUS_TOKEN 0xB9 -#define _SCALAR_POST_MINUSMINUS_TOKEN 0xBA - -#define _DEREF_ASSIGN_TOKEN 0xC0 -#define _DEREF_PLUSEQS_TOKEN 0xC1 -#define _DEREF_MINUSEQS_TOKEN 0xC2 -#define _DEREF_TIMESEQS_TOKEN 0xC3 -#define _DEREF_DIVEQS_TOKEN 0xC4 -#define _DEREF_BOREQS_TOKEN 0xC5 -#define _DEREF_BANDEQS_TOKEN 0xC6 -#define _DEREF_PLUSPLUS_TOKEN 0xC7 -#define _DEREF_POST_PLUSPLUS_TOKEN 0xC8 -#define _DEREF_MINUSMINUS_TOKEN 0xC9 -#define _DEREF_POST_MINUSMINUS_TOKEN 0xCA - -#define LAST_ASSIGN_TOKEN 0xCA -#define IS_ASSIGN_TOKEN(t) (((t)>=FIRST_ASSIGN_TOKEN)&&((t)<=LAST_ASSIGN_TOKEN)) - -#define _INLINE_ARRAY_TOKEN 0xE0 -#define _INLINE_IMPLICIT_ARRAY_TOKEN 0xE1 -#define _NULL_TOKEN 0xE2 -#define _INLINE_WILDCARD_ARRAY_TOKEN 0xE3 - -#define LINE_NUM_TOKEN 0xFC -#define ARG_TOKEN 0xFD -#define EARG_TOKEN 0xFE -#define NO_OP_LITERAL 0xFF - -typedef struct -{ - /* sltoken.c */ - /* SLang_eval_object */ - SLang_Load_Type *llt; - SLPreprocess_Type *this_slpp; - /* prep_get_char() */ - char *input_line; - char cchar; - /* get_token() */ - int want_nl_token; - - /* slparse.c */ - _SLang_Token_Type ctok; - int block_depth; - int assignment_expression; - - /* slang.c : SLcompile() */ - _SLang_Token_Type save_token; - _SLang_Token_Type next_token; - void (*slcompile_ptr)(_SLang_Token_Type *); -} -_SLEval_Context; - -extern int _SLget_token (_SLang_Token_Type *); -extern void _SLparse_error (char *, _SLang_Token_Type *, int); -extern void _SLparse_start (SLang_Load_Type *); -extern int _SLget_rpn_token (_SLang_Token_Type *); -extern void _SLcompile_byte_compiled (void); - -extern int (*_SLprep_eval_hook) (char *); - -#ifdef HAVE_VSNPRINTF -#define _SLvsnprintf vsnprintf -#else -extern int _SLvsnprintf (char *, unsigned int, char *, va_list); -#endif - -#ifdef HAVE_SNPRINTF -# define _SLsnprintf snprintf -#else -extern int _SLsnprintf (char *, unsigned int, char *, ...); -#endif - -#undef _INLINE_ -#if defined(__GNUC__) && _SLANG_USE_INLINE_CODE -# define _INLINE_ __inline__ -#else -# define _INLINE_ -#endif - - -#endif /* _PRIVATE_SLANG_H_ */ diff --git a/mdk-stage1/slang/config.h b/mdk-stage1/slang/config.h deleted file mode 100644 index a5ab3273c..000000000 --- a/mdk-stage1/slang/config.h +++ /dev/null @@ -1,163 +0,0 @@ -/* src/sysconf.h. Generated automatically by configure. */ -/* -*- c -*- */ -/* Note: this is for unix only. */ - -#ifndef SL_CONFIG_H -#define SL_CONFIG_H - -/* define if you have stdlib.h */ -#define HAVE_STDLIB_H 1 - -/* define if you have unistd.h */ -#define HAVE_UNISTD_H 1 - -/* define if you have termios.h */ -#define HAVE_TERMIOS_H 1 - -/* define if you have memory.h */ -#define HAVE_MEMORY_H 1 - -/* define if you have malloc.h */ -#define HAVE_MALLOC_H 1 - -/* define if you have memset */ -#define HAVE_MEMSET 1 - -/* define if you have memcpy */ -#define HAVE_MEMCPY 1 - -//#define HAVE_SETLOCALE 1 -//#define HAVE_LOCALE_H 1 - -#define HAVE_VFSCANF 1 - -/* define if you have fcntl.h */ -#define HAVE_FCNTL_H 1 - -/* Define if you have the vsnprintf, snprintf functions and they return - * EOF upon failure. - */ -#define HAVE_VSNPRINTF 1 -#define HAVE_SNPRINTF 1 - -/* define if you have sys/fcntl.h */ -#define HAVE_SYS_FCNTL_H 1 - -#define HAVE_SYS_TYPES_H 1 -#define HAVE_SYS_WAIT_H 1 -#define HAVE_SYS_TIMES_H 1 - -/* Set these to the appropriate values */ -#define SIZEOF_SHORT 2 -#define SIZEOF_INT 4 -#define SIZEOF_LONG 4 -#define SIZEOF_FLOAT 4 -#define SIZEOF_DOUBLE 8 - -/* define if you have these. */ -#define HAVE_ATEXIT 1 -#define HAVE_ON_EXIT 1 -#define HAVE_PUTENV 1 -#define HAVE_GETCWD 1 -#define HAVE_TCGETATTR 1 -#define HAVE_TCSETATTR 1 -#define HAVE_CFGETOSPEED 1 -#define HAVE_LSTAT 1 -#define HAVE_KILL 1 -#define HAVE_CHOWN 1 -#define HAVE_VSNPRINTF 1 -#define HAVE_POPEN 1 -#define HAVE_UMASK 1 -#define HAVE_READLINK 1 -#define HAVE_TIMES 1 -#define HAVE_GMTIME 1 -#define HAVE_MKFIFO 1 - -#define HAVE_GETPPID 1 -#define HAVE_GETGID 1 -#define HAVE_GETEGID 1 -#define HAVE_GETEUID 1 -/* #undef HAVE_GETUID */ - -#define HAVE_SETGID 1 -#define HAVE_SETPGID 1 -#define HAVE_SETUID 1 - -#define HAVE_ACOSH 1 -#define HAVE_ASINH 1 -#define HAVE_ATANH 1 - -#define HAVE_DIRENT_H 1 -/* #undef HAVE_SYS_NDIR_H */ -/* #undef HAVE_SYS_DIR_H */ -/* #undef HAVE_NDIR_H */ - -#define HAVE_DLFCN_H 1 - -#define HAVE_SYS_UTSNAME_H 1 -#define HAVE_UNAME 1 - -/* These two are needed on DOS-like systems. Unix does not require them. - * They are included here for consistency. - * -#define HAVE_IO_H -#define HAVE_PROCESS_H - */ - -/* #undef USE_TERMCAP */ - -/* #undef mode_t */ -/* #undef uid_t */ -/* #undef pid_t */ -/* #undef gid_t */ - -/* Do we have posix signals? */ -#define HAVE_SIGACTION 1 -#define HAVE_SIGPROCMASK 1 -#define HAVE_SIGEMPTYSET 1 -#define HAVE_SIGADDSET 1 - -#if defined(HAVE_SIGADDSET) && defined(HAVE_SIGEMPTYSET) -# if defined(HAVE_SIGACTION) && defined(HAVE_SIGPROCMASK) -# define SLANG_POSIX_SIGNALS -# endif -#endif - -/* Define if you need to in order for stat and other things to work. */ -/* #undef _POSIX_SOURCE */ - -#ifdef _AIX -# ifndef _POSIX_SOURCE -# define _POSIX_SOURCE 1 -# endif -# ifndef _ALL_SOURCE -# define _ALL_SOURCE -# endif -/* This may generate warnings but the fact is that without it, xlc will - * INCORRECTLY inline many str* functions. */ -/* # undef __STR__ */ -#endif - -/* define USE_TERMCAP if you want to use it instead of terminfo. */ -#if defined(sequent) || defined(NeXT) -# ifndef USE_TERMCAP -# define USE_TERMCAP -# endif -#endif - -#if defined(ultrix) && !defined(__GNUC__) -# ifndef NO_PROTOTYPES -# define NO_PROTOTYPES -# endif -#endif - -#ifndef unix -# define unix 1 -#endif - -#ifndef __unix__ -# define __unix__ 1 -#endif - -#define _SLANG_SOURCE_ 1 -#endif /* SL_CONFIG_H */ diff --git a/mdk-stage1/slang/jdmacros.h b/mdk-stage1/slang/jdmacros.h deleted file mode 100644 index 70d491b78..000000000 --- a/mdk-stage1/slang/jdmacros.h +++ /dev/null @@ -1,53 +0,0 @@ -#ifndef _JD_MACROS_H_ -#define _JD_MACROS_H_ - -#ifndef SLMEMSET -# ifdef HAVE_MEMSET -# define SLMEMSET memset -# else -# define SLMEMSET SLmemset -# endif -#endif - -#ifndef SLMEMCHR -# ifdef HAVE_MEMCHR -# define SLMEMCHR memchr -# else -# define SLMEMCHR SLmemchr -# endif -#endif - -#ifndef SLMEMCPY -# ifdef HAVE_MEMCPY -# define SLMEMCPY memcpy -# else -# define SLMEMCPY SLmemcpy -# endif -#endif - -/* Note: HAVE_MEMCMP requires an unsigned memory comparison!!! */ -#ifndef SLMEMCMP -# ifdef HAVE_MEMCMP -# define SLMEMCMP memcmp -# else -# define SLMEMCMP SLmemcmp -# endif -#endif - -#ifndef SLFREE -# define SLFREE free -#endif - -#ifndef SLMALLOC -# define SLMALLOC malloc -#endif - -#ifndef SLCALLOC -# define SLCALLOC calloc -#endif - -#ifndef SLREALLOC -# define SLREALLOC realloc -#endif - -#endif /* _JD_MACROS_H_ */ diff --git a/mdk-stage1/slang/keywhash.c b/mdk-stage1/slang/keywhash.c deleted file mode 100644 index 17d94d5a3..000000000 --- a/mdk-stage1/slang/keywhash.c +++ /dev/null @@ -1,190 +0,0 @@ -/* Perfect hash generated by command line: - * ./a.out 1 - */ -#define MIN_HASH_VALUE 2 -#define MAX_HASH_VALUE 118 -#define MIN_KEYWORD_LEN 2 -#define MAX_KEYWORD_LEN 11 - -static unsigned char Keyword_Hash_Table [256] = -{ - 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, - 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, - 119, 1, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, - 9, 7, 1, 8, 2, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, - 119, 119, 0, 0, 119, 0, 119, 119, 119, 7, 119, 0, 0, 119, 119, 0, - 119, 119, 0, 0, 0, 0, 119, 119, 0, 119, 119, 119, 119, 119, 119, 2, - 119, 41, 1, 1, 9, 0, 55, 8, 0, 0, 119, 0, 27, 0, 0, 0, - 7, 2, 0, 21, 0, 0, 0, 3, 2, 0, 119, 119, 119, 119, 119, 119, - 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, - 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, - 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, - 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, - 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, - 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, - 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, - 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119 -}; - -static unsigned char keyword_hash (char *s, unsigned int len) -{ - unsigned int sum; - - sum = len; - while (len) - { - len--; - sum += (unsigned int) Keyword_Hash_Table [(unsigned char)s[len]]; - } - return sum; -} - -typedef struct -{ - char *name; - unsigned int type; -} -Keyword_Table_Type; - -static Keyword_Table_Type Keyword_Table [/* 117 */] = -{ - {"or", OR_TOKEN}, - {"not", NOT_TOKEN}, - {NULL,0}, - {"xor", BXOR_TOKEN}, - {"return", RETURN_TOKEN}, - {"exch", EXCH_TOKEN}, - {NULL,0}, - {"continue", CONT_TOKEN}, - {NULL,0}, - {"do", DO_TOKEN}, - {"mod", MOD_TOKEN}, - {"ERROR_BLOCK", ERRBLK_TOKEN}, - {"USER_BLOCK2", USRBLK2_TOKEN}, - {"USER_BLOCK4", USRBLK4_TOKEN}, - {"__tmp", TMP_TOKEN}, - {"pop", POP_TOKEN}, - {NULL,0}, - {"EXIT_BLOCK", EXITBLK_TOKEN}, - {"USER_BLOCK1", USRBLK1_TOKEN}, - {"USER_BLOCK3", USRBLK3_TOKEN}, - {"USER_BLOCK0", USRBLK0_TOKEN}, - {NULL,0}, - {"shr", SHR_TOKEN}, - {"chs", CHS_TOKEN}, - {"sqr", SQR_TOKEN}, - {NULL,0}, - {"struct", STRUCT_TOKEN}, - {NULL,0}, - {NULL,0}, - {"switch", SWITCH_TOKEN}, - {"mul2", MUL2_TOKEN}, - {"sign", SIGN_TOKEN}, - {"using", USING_TOKEN}, - {"while", WHILE_TOKEN}, - {NULL,0}, - {NULL,0}, - {"loop", LOOP_TOKEN}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {"public", PUBLIC_TOKEN}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {"break", BREAK_TOKEN}, - {NULL,0}, - {"do_while", DOWHILE_TOKEN}, - {NULL,0}, - {"shl", SHL_TOKEN}, - {"else", ELSE_TOKEN}, - {"and", AND_TOKEN}, - {"orelse", ORELSE_TOKEN}, - {"private", PRIVATE_TOKEN}, - {NULL,0}, - {"if", IF_TOKEN}, - {"for", FOR_TOKEN}, - {"!if", IFNOT_TOKEN}, - {NULL,0}, - {"_for", _FOR_TOKEN}, - {"forever", FOREVER_TOKEN}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {"abs", ABS_TOKEN}, - {"case", CASE_TOKEN}, - {NULL,0}, - {"static", STATIC_TOKEN}, - {"define", DEFINE_TOKEN}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {"typedef", TYPEDEF_TOKEN}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {"foreach", FOREACH_TOKEN}, - {"andelse", ANDELSE_TOKEN}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {NULL,0}, - {"variable", VARIABLE_TOKEN}, -}; - -static Keyword_Table_Type *is_keyword (char *str, unsigned int len) -{ - unsigned int hash; - char *name; - Keyword_Table_Type *kw; - - if ((len < MIN_KEYWORD_LEN) - || (len > MAX_KEYWORD_LEN)) - return NULL; - - hash = keyword_hash (str, len); - if ((hash > MAX_HASH_VALUE) || (hash < MIN_HASH_VALUE)) - return NULL; - - kw = &Keyword_Table[hash - MIN_HASH_VALUE]; - if ((NULL != (name = kw->name)) - && (*str == *name) - && (0 == strcmp (str, name))) - return kw; - return NULL; -} diff --git a/mdk-stage1/slang/sl-feat.h b/mdk-stage1/slang/sl-feat.h deleted file mode 100644 index 511d72451..000000000 --- a/mdk-stage1/slang/sl-feat.h +++ /dev/null @@ -1,60 +0,0 @@ -/* Setting this to 1 enables automatic support for associative arrays. - * If this is set to 0, an application must explicitly enable associative - * array support via SLang_init_slassoc. - */ -#define SLANG_HAS_ASSOC_ARRAYS 1 - -#define SLANG_HAS_COMPLEX 1 -#define SLANG_HAS_FLOAT 1 - -/* This is the old space-speed trade off. To reduce memory usage and code - * size, set this to zero. - */ -#define _SLANG_OPTIMIZE_FOR_SPEED 2 - -#define _SLANG_USE_INLINE_CODE 1 - -/* This is experimental. It adds extra information for tracking down - * errors. - */ -#define _SLANG_HAS_DEBUG_CODE 1 - -/* Allow optimizations based upon the __tmp operator. */ -#define _SLANG_USE_TMP_OPTIMIZATION 1 - -/* Setting this to one will map 8 bit vtxxx terminals to 7 bit. Terminals - * such as the vt320 can be set up to output the two-character escape sequence - * encoded as 'ESC [' as single character. Setting this variable to 1 will - * insert code to map such characters to the 7 bit equivalent. - * This affects just input characters in the range 128-160 on non PC - * systems. - */ -#if defined(VMS) || defined(AMIGA) -# define _SLANG_MAP_VTXXX_8BIT 1 -#else -# define _SLANG_MAP_VTXXX_8BIT 0 -#endif - -/* Add support for color terminals that cannot do background color erases - * Such terminals are poorly designed and are slowly disappearing but they - * are still quite common. For example, screen is one of them! - * - * This is experimental. In particular, it is not known to work if - * KANJI suupport is enabled. - */ -#if !defined(IBMPC_SYSTEM) -# define SLTT_HAS_NON_BCE_SUPPORT 1 -#else -# define SLTT_HAS_NON_BCE_SUPPORT 0 -#endif - -/* If you want slang to assume that an xterm always has the background color - * erase feature, then set this to 1. Otherwise, it will check the terminfo - * database. This may or may not be a good idea since most good color xterms - * support bce but many terminfo systems do not support it. - */ -#define SLTT_XTERM_ALWAYS_BCE 0 - -/* Set this to 1 to enable Kanji support. See above comment. */ -#define SLANG_HAS_KANJI_SUPPORT 0 - diff --git a/mdk-stage1/slang/slang.c b/mdk-stage1/slang/slang.c deleted file mode 100644 index 6edc7df37..000000000 --- a/mdk-stage1/slang/slang.c +++ /dev/null @@ -1,5547 +0,0 @@ -/* -*- mode: C; mode: fold; -*- */ -/* slang.c --- guts of S-Lang interpreter */ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#if SLANG_HAS_FLOAT -# include <math.h> -#endif - -#include "slang.h" -#include "_slang.h" - -#define USE_COMBINED_BYTECODES 0 - -struct _SLBlock_Type; - -typedef struct -{ - struct _SLBlock_Type *body; - unsigned int num_refs; -} -_SLBlock_Header_Type; - -typedef struct -{ - char *name; - SLang_Name_Type *next; - char name_type; - - union - { - _SLBlock_Header_Type *header; /* body of function */ - char *autoload_filename; - } - v; -#if _SLANG_HAS_DEBUG_CODE - char *file; -#endif -#define SLANG_MAX_LOCAL_VARIABLES 254 -#define AUTOLOAD_NUM_LOCALS (SLANG_MAX_LOCAL_VARIABLES + 1) - unsigned char nlocals; /* number of local variables */ - unsigned char nargs; /* number of arguments */ -} -_SLang_Function_Type; - -typedef struct -{ - char *name; - SLang_Name_Type *next; - char name_type; - - SLang_Object_Type obj; -} -SLang_Global_Var_Type; - -typedef struct -{ - char *name; - SLang_Name_Type *next; - char name_type; - - int local_var_number; -} -SLang_Local_Var_Type; - -typedef struct _SLBlock_Type -{ - unsigned char bc_main_type; - unsigned char bc_sub_type; - union - { - struct _SLBlock_Type *blk; - int i_blk; - - SLang_Name_Type *nt_blk; - SLang_App_Unary_Type *nt_unary_blk; - SLang_Intrin_Var_Type *nt_ivar_blk; - SLang_Intrin_Fun_Type *nt_ifun_blk; - SLang_Global_Var_Type *nt_gvar_blk; - SLang_IConstant_Type *iconst_blk; - SLang_DConstant_Type *dconst_blk; - _SLang_Function_Type *nt_fun_blk; - - VOID_STAR ptr_blk; - char *s_blk; - SLang_BString_Type *bs_blk; - -#if SLANG_HAS_FLOAT - double *double_blk; /*literal double is a pointer */ -#endif - float float_blk; - long l_blk; - struct _SLang_Struct_Type *struct_blk; - int (*call_function)(void); - } - b; -} -SLBlock_Type; - -/* Debugging and tracing variables */ - -void (*SLang_Enter_Function)(char *) = NULL; -void (*SLang_Exit_Function)(char *) = NULL; -/* If non null, these call C functions before and after a slang function. */ - -int _SLang_Trace = 0; -/* If _SLang_Trace = -1, do not trace intrinsics */ -static int Trace_Mode = 0; - -static char *Trace_Function; /* function to be traced */ -int SLang_Traceback = 0; -/* non zero means do traceback. If less than 0, do not show local variables */ - -/* These variables handle _NARGS processing by the parser */ -int SLang_Num_Function_Args; -static int *Num_Args_Stack; -static unsigned int Recursion_Depth; -static SLang_Object_Type *Frame_Pointer; -static int Next_Function_Num_Args; -static unsigned int Frame_Pointer_Depth; -static unsigned int *Frame_Pointer_Stack; - -static int Lang_Break_Condition = 0; -/* true if any one below is true. This keeps us from testing 3 variables. - * I know this can be perfomed with a bitmapped variable, but... - */ -static int Lang_Break = 0; -static int Lang_Return = 0; -/* static int Lang_Continue = 0; */ - -SLang_Object_Type *_SLRun_Stack; -SLang_Object_Type *_SLStack_Pointer; -static SLang_Object_Type *_SLStack_Pointer_Max; - -/* Might want to increase this. */ -static SLang_Object_Type Local_Variable_Stack[SLANG_MAX_LOCAL_STACK]; -static SLang_Object_Type *Local_Variable_Frame = Local_Variable_Stack; - -static void free_function_header (_SLBlock_Header_Type *); - -void (*SLang_Dump_Routine)(char *); - -static void call_dump_routine (char *fmt, ...) -{ - char buf[1024]; - va_list ap; - - va_start (ap, fmt); - if (SLang_Dump_Routine != NULL) - { - (void) _SLvsnprintf (buf, sizeof (buf), fmt, ap); - (*SLang_Dump_Routine) (buf); - } - else - { - vfprintf (stderr, fmt, ap); - fflush (stderr); - } - va_end (ap); -} - -static void do_traceback (char *, unsigned int, char *); -static int init_interpreter (void); - -/*{{{ push/pop/etc stack manipulation functions */ - -/* This routine is assumed to work even in the presence of a SLang_Error. */ -_INLINE_ -int SLang_pop (SLang_Object_Type *x) -{ - register SLang_Object_Type *y; - - y = _SLStack_Pointer; - if (y == _SLRun_Stack) - { - if (SLang_Error == 0) SLang_Error = SL_STACK_UNDERFLOW; - x->data_type = 0; - return -1; - } - y--; - *x = *y; - - _SLStack_Pointer = y; - return 0; -} - -static int pop_ctrl_integer (int *i) -{ - int type; - SLang_Class_Type *cl; -#if _SLANG_OPTIMIZE_FOR_SPEED - register SLang_Object_Type *y; - - /* Most of the time, either an integer or a char will be on the stack. - * Optimize these cases. - */ - y = _SLStack_Pointer; - if (y == _SLRun_Stack) - { - if (SLang_Error == 0) SLang_Error = SL_STACK_UNDERFLOW; - return -1; - } - y--; - - type = y->data_type; - if (type == SLANG_INT_TYPE) - { - _SLStack_Pointer = y; - *i = y->v.int_val; - return 0; - } - if (type == SLANG_CHAR_TYPE) - { - _SLStack_Pointer = y; - *i = y->v.char_val; - return 0; - } -#else - if (-1 == (type = SLang_peek_at_stack ())) - return -1; -#endif - - cl = _SLclass_get_class ((unsigned char) type); - if (cl->cl_to_bool == NULL) - { - SLang_verror (SL_TYPE_MISMATCH, - "%s cannot be used in a boolean context", - cl->cl_name); - return -1; - } - return cl->cl_to_bool ((unsigned char) type, i); -} - -_INLINE_ -int SLang_peek_at_stack (void) -{ - if (_SLStack_Pointer == _SLRun_Stack) - { - if (SLang_Error == 0) - SLang_Error = SL_STACK_UNDERFLOW; - return -1; - } - - return (_SLStack_Pointer - 1)->data_type; -} - -int SLang_peek_at_stack1 (void) -{ - int type; - - type = SLang_peek_at_stack (); - if (type == SLANG_ARRAY_TYPE) - type = (_SLStack_Pointer - 1)->v.array_val->data_type; - - return type; -} - -_INLINE_ -void SLang_free_object (SLang_Object_Type *obj) -{ - unsigned char data_type; - SLang_Class_Type *cl; - - if (obj == NULL) return; - data_type = obj->data_type; -#if _SLANG_OPTIMIZE_FOR_SPEED - if (SLANG_CLASS_TYPE_SCALAR == _SLclass_Class_Type [data_type]) - return; - if (data_type == SLANG_STRING_TYPE) - { - SLang_free_slstring (obj->v.s_val); - return; - } -#endif - cl = _SLclass_get_class (data_type); -#if !_SLANG_OPTIMIZE_FOR_SPEED - if (cl->cl_class_type != SLANG_CLASS_TYPE_SCALAR) -#endif - (*cl->cl_destroy) (data_type, (VOID_STAR) &obj->v); -} - -_INLINE_ -int SLang_push (SLang_Object_Type *x) -{ - register SLang_Object_Type *y; - y = _SLStack_Pointer; - - /* if there is a SLang_Error, probably not much harm will be done - if it is ignored here */ - /* if (SLang_Error) return; */ - - /* flag it now */ - if (y >= _SLStack_Pointer_Max) - { - if (!SLang_Error) SLang_Error = SL_STACK_OVERFLOW; - return -1; - } - - *y = *x; - _SLStack_Pointer = y + 1; - return 0; -} - -/* _INLINE_ */ -int SLclass_push_ptr_obj (unsigned char type, VOID_STAR pval) -{ - register SLang_Object_Type *y; - y = _SLStack_Pointer; - - if (y >= _SLStack_Pointer_Max) - { - if (!SLang_Error) SLang_Error = SL_STACK_OVERFLOW; - return -1; - } - - y->data_type = type; - y->v.ptr_val = pval; - - _SLStack_Pointer = y + 1; - return 0; -} - -_INLINE_ -int SLclass_push_int_obj (unsigned char type, int x) -{ - register SLang_Object_Type *y; - y = _SLStack_Pointer; - - if (y >= _SLStack_Pointer_Max) - { - if (!SLang_Error) SLang_Error = SL_STACK_OVERFLOW; - return -1; - } - - y->data_type = type; - y->v.int_val = x; - - _SLStack_Pointer = y + 1; - return 0; -} - -_INLINE_ -int _SLang_pop_object_of_type (unsigned char type, SLang_Object_Type *obj, - int allow_arrays) -{ - register SLang_Object_Type *y; - - y = _SLStack_Pointer; - if (y == _SLRun_Stack) - return SLang_pop (obj); - y--; - if (y->data_type != type) - { -#if _SLANG_OPTIMIZE_FOR_SPEED - /* This is an implicit typecast. We do not want to typecast - * floats to ints implicitly. - */ - if (_SLarith_Is_Arith_Type [type] - && _SLarith_Is_Arith_Type [y->data_type] - && (_SLarith_Is_Arith_Type [type] >= _SLarith_Is_Arith_Type[y->data_type])) - { - /* This should not fail */ - (void) _SLarith_typecast (y->data_type, (VOID_STAR)&y->v, 1, - type, (VOID_STAR)&obj->v); - obj->data_type = type; - _SLStack_Pointer = y; - return 0; - } -#endif - - if ((allow_arrays == 0) - || (y->data_type != SLANG_ARRAY_TYPE) - || (y->v.array_val->data_type != type)) - if (-1 == SLclass_typecast (type, 1, 0)) - return -1; - } - *obj = *y; - _SLStack_Pointer = y; - return 0; -} - -/* This function reverses the top n items on the stack and returns a - * an offset from the start of the stack to the last item. - */ -int SLreverse_stack (int n) -{ - SLang_Object_Type *otop, *obot, tmp; - - otop = _SLStack_Pointer; - if ((n > otop - _SLRun_Stack) || (n < 0)) - { - SLang_Error = SL_STACK_UNDERFLOW; - return -1; - } - obot = otop - n; - otop--; - while (otop > obot) - { - tmp = *obot; - *obot = *otop; - *otop = tmp; - otop--; - obot++; - } - return (int) ((_SLStack_Pointer - n) - _SLRun_Stack); -} - -_INLINE_ -int SLroll_stack (int np) -{ - int n, i; - SLang_Object_Type *otop, *obot, tmp; - - if ((n = abs(np)) <= 1) return 0; /* identity */ - - obot = otop = _SLStack_Pointer; - i = n; - while (i != 0) - { - if (obot <= _SLRun_Stack) - { - SLang_Error = SL_STACK_UNDERFLOW; - return -1; - } - obot--; - i--; - } - otop--; - - if (np > 0) - { - /* Put top on bottom and roll rest up. */ - tmp = *otop; - while (otop > obot) - { - *otop = *(otop - 1); - otop--; - } - *otop = tmp; - } - else - { - /* Put bottom on top and roll rest down. */ - tmp = *obot; - while (obot < otop) - { - *obot = *(obot + 1); - obot++; - } - *obot = tmp; - } - return 0; -} - -int _SLstack_depth (void) -{ - return (int) (_SLStack_Pointer - _SLRun_Stack); -} - -int SLdup_n (int n) -{ - SLang_Object_Type *bot, *top; - - if (n <= 0) - return 0; - - top = _SLStack_Pointer; - if (top < _SLRun_Stack + n) - { - if (SLang_Error == 0) - SLang_Error = SL_STACK_UNDERFLOW; - return -1; - } - if (top + n > _SLStack_Pointer_Max) - { - if (SLang_Error == 0) - SLang_Error = SL_STACK_OVERFLOW; - return -1; - } - bot = top - n; - - while (bot < top) - { - SLang_Class_Type *cl; - unsigned char data_type = bot->data_type; - -#if _SLANG_OPTIMIZE_FOR_SPEED - if (SLANG_CLASS_TYPE_SCALAR == _SLclass_Class_Type [data_type]) - { - *_SLStack_Pointer++ = *bot++; - continue; - } -#endif - cl = _SLclass_get_class (data_type); - if (-1 == (*cl->cl_push) (data_type, (VOID_STAR) &bot->v)) - return -1; - bot++; - } - return 0; -} - -/*}}}*/ - -/*{{{ inner interpreter and support functions */ - -_INLINE_ -int _SL_increment_frame_pointer (void) -{ - if (Recursion_Depth >= SLANG_MAX_RECURSIVE_DEPTH) - { - SLang_verror (SL_STACK_OVERFLOW, "Num Args Stack Overflow"); - return -1; - } - Num_Args_Stack [Recursion_Depth] = SLang_Num_Function_Args; - - SLang_Num_Function_Args = Next_Function_Num_Args; - Next_Function_Num_Args = 0; - Recursion_Depth++; - return 0; -} - -_INLINE_ -int _SL_decrement_frame_pointer (void) -{ - if (Recursion_Depth == 0) - { - SLang_verror (SL_STACK_UNDERFLOW, "Num Args Stack Underflow"); - return -1; - } - - Recursion_Depth--; - if (Recursion_Depth < SLANG_MAX_RECURSIVE_DEPTH) - SLang_Num_Function_Args = Num_Args_Stack [Recursion_Depth]; - - return 0; -} - -_INLINE_ -int SLang_start_arg_list (void) -{ - if (Frame_Pointer_Depth < SLANG_MAX_RECURSIVE_DEPTH) - { - Frame_Pointer_Stack [Frame_Pointer_Depth] = (unsigned int) (Frame_Pointer - _SLRun_Stack); - Frame_Pointer = _SLStack_Pointer; - Frame_Pointer_Depth++; - Next_Function_Num_Args = 0; - return 0; - } - - SLang_verror (SL_STACK_OVERFLOW, "Frame Stack Overflow"); - return -1; -} - -_INLINE_ -int SLang_end_arg_list (void) -{ - if (Frame_Pointer_Depth == 0) - { - SLang_verror (SL_STACK_UNDERFLOW, "Frame Stack Underflow"); - return -1; - } - Frame_Pointer_Depth--; - if (Frame_Pointer_Depth < SLANG_MAX_RECURSIVE_DEPTH) - { - Next_Function_Num_Args = (int) (_SLStack_Pointer - Frame_Pointer); - Frame_Pointer = _SLRun_Stack + Frame_Pointer_Stack [Frame_Pointer_Depth]; - } - return 0; -} - -_INLINE_ -static int do_bc_call_direct_frame (int (*f)(void)) -{ - if ((0 == SLang_end_arg_list ()) - && (0 == _SL_increment_frame_pointer ())) - { - (void) (*f) (); - _SL_decrement_frame_pointer (); - } - if (SLang_Error) - return -1; - return 0; -} - -static int do_name_type_error (SLang_Name_Type *nt) -{ - char buf[256]; - if (nt != NULL) - { - (void) _SLsnprintf (buf, sizeof (buf), "(Error occurred processing %s)", nt->name); - do_traceback (buf, 0, NULL); - } - return -1; -} - -/* local and global variable assignments */ - -static int do_binary_ab (int op, SLang_Object_Type *obja, SLang_Object_Type *objb) -{ - SLang_Class_Type *a_cl, *b_cl, *c_cl; - unsigned char b_data_type, a_data_type, c_data_type; - int (*binary_fun) (int, - unsigned char, VOID_STAR, unsigned int, - unsigned char, VOID_STAR, unsigned int, - VOID_STAR); - VOID_STAR pa; - VOID_STAR pb; - VOID_STAR pc; - int ret; - - b_data_type = objb->data_type; - a_data_type = obja->data_type; - -#if _SLANG_OPTIMIZE_FOR_SPEED - if (_SLarith_Is_Arith_Type[a_data_type] - && _SLarith_Is_Arith_Type[b_data_type]) - { - int status; - status = _SLarith_bin_op (obja, objb, op); - if (status != 1) - return status; - /* drop and try it the hard way */ - } -#endif - - a_cl = _SLclass_get_class (a_data_type); - if (a_data_type == b_data_type) - b_cl = a_cl; - else - b_cl = _SLclass_get_class (b_data_type); - - if (NULL == (binary_fun = _SLclass_get_binary_fun (op, a_cl, b_cl, &c_cl, 1))) - return -1; - - c_data_type = c_cl->cl_data_type; - -#if _SLANG_OPTIMIZE_FOR_SPEED - if (SLANG_CLASS_TYPE_SCALAR == _SLclass_Class_Type [a_data_type]) - pa = (VOID_STAR) &obja->v; - else -#endif - pa = _SLclass_get_ptr_to_value (a_cl, obja); - -#if _SLANG_OPTIMIZE_FOR_SPEED - if (SLANG_CLASS_TYPE_SCALAR == _SLclass_Class_Type [b_data_type]) - pb = (VOID_STAR) &objb->v; - else -#endif - pb = _SLclass_get_ptr_to_value (b_cl, objb); - - pc = c_cl->cl_transfer_buf; - - if (1 != (*binary_fun) (op, - a_data_type, pa, 1, - b_data_type, pb, 1, - pc)) - { - SLang_verror (SL_NOT_IMPLEMENTED, - "Binary operation between %s and %s failed", - a_cl->cl_name, b_cl->cl_name); - - return -1; - } - - /* apush will create a copy, so make sure we free after the push */ - ret = (*c_cl->cl_apush)(c_data_type, pc); -#if _SLANG_OPTIMIZE_FOR_SPEED - if (SLANG_CLASS_TYPE_SCALAR != _SLclass_Class_Type [c_data_type]) -#endif - (*c_cl->cl_adestroy)(c_data_type, pc); - - return ret; -} - -_INLINE_ -static void do_binary (int op) -{ - SLang_Object_Type obja, objb; - - if (SLang_pop (&objb)) return; - if (0 == SLang_pop (&obja)) - { - (void) do_binary_ab (op, &obja, &objb); -#if _SLANG_OPTIMIZE_FOR_SPEED - if (SLANG_CLASS_TYPE_SCALAR != _SLclass_Class_Type [obja.data_type]) -#endif - SLang_free_object (&obja); - } -#if _SLANG_OPTIMIZE_FOR_SPEED - if (SLANG_CLASS_TYPE_SCALAR != _SLclass_Class_Type [objb.data_type]) -#endif - SLang_free_object (&objb); -} - -static int do_unary_op (int op, SLang_Object_Type *obj, int unary_type) -{ - int (*f) (int, unsigned char, VOID_STAR, unsigned int, VOID_STAR); - VOID_STAR pa; - VOID_STAR pb; - SLang_Class_Type *a_cl, *b_cl; - unsigned char a_type, b_type; - int ret; - - a_type = obj->data_type; - a_cl = _SLclass_get_class (a_type); - - if (NULL == (f = _SLclass_get_unary_fun (op, a_cl, &b_cl, unary_type))) - return -1; - - b_type = b_cl->cl_data_type; - -#if _SLANG_OPTIMIZE_FOR_SPEED - if (SLANG_CLASS_TYPE_SCALAR == _SLclass_Class_Type [a_type]) - pa = (VOID_STAR) &obj->v; - else -#endif - pa = _SLclass_get_ptr_to_value (a_cl, obj); - - pb = b_cl->cl_transfer_buf; - - if (1 != (*f) (op, a_type, pa, 1, pb)) - { - SLang_verror (SL_NOT_IMPLEMENTED, - "Unary operation for %s failed", a_cl->cl_name); - return -1; - } - - ret = (*b_cl->cl_apush)(b_type, pb); - /* cl_apush creates a copy, so make sure we call cl_adestroy */ -#if _SLANG_OPTIMIZE_FOR_SPEED - if (SLANG_CLASS_TYPE_SCALAR != _SLclass_Class_Type [b_type]) -#endif - (*b_cl->cl_adestroy)(b_type, pb); - - return ret; -} - -_INLINE_ -static int do_unary (int op, int unary_type) -{ - SLang_Object_Type obj; - int ret; - - if (-1 == SLang_pop (&obj)) return -1; - ret = do_unary_op (op, &obj, unary_type); -#if _SLANG_OPTIMIZE_FOR_SPEED - if (SLANG_CLASS_TYPE_SCALAR != _SLclass_Class_Type [obj.data_type]) -#endif - SLang_free_object (&obj); - return ret; -} - -static int do_assignment_binary (int op, SLang_Object_Type *obja_ptr) -{ - SLang_Object_Type objb; - int ret; - - if (SLang_pop (&objb)) - return -1; - - ret = do_binary_ab (op, obja_ptr, &objb); -#if _SLANG_OPTIMIZE_FOR_SPEED - if (SLANG_CLASS_TYPE_SCALAR != _SLclass_Class_Type [objb.data_type]) -#endif - SLang_free_object (&objb); - return ret; -} - -/* The order of these is assumed to match the binary operators - * defined in slang.h - */ -static int -map_assignment_op_to_binary (unsigned char op_type, int *op, int *is_unary) -{ - *is_unary = 0; - switch (op_type) - { - case _SLANG_BCST_PLUSEQS: - case _SLANG_BCST_MINUSEQS: - case _SLANG_BCST_TIMESEQS: - case _SLANG_BCST_DIVEQS: - *op = SLANG_PLUS + (op_type - _SLANG_BCST_PLUSEQS); - break; - - case _SLANG_BCST_BOREQS: - *op = SLANG_BOR; - break; - - case _SLANG_BCST_BANDEQS: - *op = SLANG_BAND; - break; - - case _SLANG_BCST_POST_MINUSMINUS: - case _SLANG_BCST_MINUSMINUS: - *op = SLANG_MINUS; - *is_unary = 1; - break; - - case _SLANG_BCST_PLUSPLUS: - case _SLANG_BCST_POST_PLUSPLUS: - *op = SLANG_PLUS; - *is_unary = 1; - break; - - default: - SLang_verror (SL_NOT_IMPLEMENTED, "Assignment operator not implemented"); - return -1; - } - return 0; -} - -static int -perform_lvalue_operation (unsigned char op_type, SLang_Object_Type *obja_ptr) -{ - switch (op_type) - { - case _SLANG_BCST_ASSIGN: - break; - - /* The order of these is assumed to match the binary operators - * defined in slang.h - */ - case _SLANG_BCST_PLUSEQS: - case _SLANG_BCST_MINUSEQS: - case _SLANG_BCST_TIMESEQS: - case _SLANG_BCST_DIVEQS: - if (-1 == do_assignment_binary (SLANG_PLUS + (op_type - _SLANG_BCST_PLUSEQS), obja_ptr)) - return -1; - break; - - case _SLANG_BCST_BOREQS: - if (-1 == do_assignment_binary (SLANG_BOR, obja_ptr)) - return -1; - break; - - case _SLANG_BCST_BANDEQS: - if (-1 == do_assignment_binary (SLANG_BAND, obja_ptr)) - return -1; - break; - - case _SLANG_BCST_PLUSPLUS: - case _SLANG_BCST_POST_PLUSPLUS: -#if _SLANG_OPTIMIZE_FOR_SPEED - if (obja_ptr->data_type == SLANG_INT_TYPE) - return SLclass_push_int_obj (SLANG_INT_TYPE, obja_ptr->v.int_val + 1); -#endif - if (-1 == do_unary_op (SLANG_PLUSPLUS, obja_ptr, _SLANG_BC_UNARY)) - return -1; - break; - - case _SLANG_BCST_MINUSMINUS: - case _SLANG_BCST_POST_MINUSMINUS: -#if _SLANG_OPTIMIZE_FOR_SPEED - if (obja_ptr->data_type == SLANG_INT_TYPE) - return SLclass_push_int_obj (SLANG_INT_TYPE, obja_ptr->v.int_val - 1); -#endif - if (-1 == do_unary_op (SLANG_MINUSMINUS, obja_ptr, _SLANG_BC_UNARY)) - return -1; - break; - - default: - SLang_Error = SL_INTERNAL_ERROR; - return -1; - } - return 0; -} - -_INLINE_ -static int -set_lvalue_obj (unsigned char op_type, SLang_Object_Type *obja_ptr) -{ - if (op_type != _SLANG_BCST_ASSIGN) - { - if (-1 == perform_lvalue_operation (op_type, obja_ptr)) - return -1; - } -#if _SLANG_OPTIMIZE_FOR_SPEED - if (SLANG_CLASS_TYPE_SCALAR != _SLclass_Class_Type [obja_ptr->data_type]) -#endif - SLang_free_object (obja_ptr); - - return SLang_pop(obja_ptr); -} - -static int -set_struct_lvalue (SLBlock_Type *bc_blk) -{ - int type; - SLang_Class_Type *cl; - char *name; - int op; - - if (-1 == (type = SLang_peek_at_stack ())) - return -1; - - cl = _SLclass_get_class (type); - if ((cl->cl_sput == NULL) - || (cl->cl_sget == NULL)) - { - SLang_verror (SL_NOT_IMPLEMENTED, - "%s does not support structure access", - cl->cl_name); - SLdo_pop_n (2); /* object plus what was to be assigned */ - return -1; - } - name = bc_blk->b.s_blk; - op = bc_blk->bc_sub_type; - - if (op != _SLANG_BCST_ASSIGN) - { - /* We have something like (A.x += b) or (A.x++). In either case, - * we need A.x. - */ - SLang_Object_Type obj_A; - SLang_Object_Type obj; - - if (-1 == SLang_pop (&obj_A)) - return -1; - - if ((-1 == _SLpush_slang_obj (&obj_A)) - || (-1 == cl->cl_sget ((unsigned char) type, name)) - || (-1 == SLang_pop (&obj))) - { - SLang_free_object (&obj_A); - return -1; - } - /* Now the value of A.x is in obj. */ - if (-1 == perform_lvalue_operation (op, &obj)) - { - SLang_free_object (&obj); - SLang_free_object (&obj_A); - return -1; - } - SLang_free_object (&obj); - /* The result of the operation is now on the stack. - * Perform assignment */ - if (-1 == SLang_push (&obj_A)) - { - SLang_free_object (&obj_A); - return -1; - } - } - - return (*cl->cl_sput) ((unsigned char) type, name); -} - -static int make_unit_object (SLang_Object_Type *a, SLang_Object_Type *u) -{ - unsigned char type; - - type = a->data_type; - if (type == SLANG_ARRAY_TYPE) - type = a->v.array_val->data_type; - - u->data_type = type; - switch (type) - { - case SLANG_UCHAR_TYPE: - case SLANG_CHAR_TYPE: - u->v.char_val = 1; - break; - - case SLANG_SHORT_TYPE: - case SLANG_USHORT_TYPE: - u->v.short_val = 1; - break; - - case SLANG_LONG_TYPE: - case SLANG_ULONG_TYPE: - u->v.long_val = 1; - break; - -#if SLANG_HAS_FLOAT - case SLANG_FLOAT_TYPE: - u->v.float_val = 1; - break; - - case SLANG_COMPLEX_TYPE: - u->data_type = SLANG_DOUBLE_TYPE; - case SLANG_DOUBLE_TYPE: - u->v.double_val = 1; - break; -#endif - default: - u->data_type = SLANG_INT_TYPE; - u->v.int_val = 1; - } - return 0; -} - - -/* We want to convert 'A[i] op X' to 'A[i] = A[i] op X'. The code that - * has been generated is: X __args i A __aput-op - * where __aput-op represents this function. We need to generate: - * __args i A __eargs __aget X op __args i A __eargs __aput - * Here, __eargs implies a call to do_bc_call_direct_frame with either - * the aput or aget function. In addition, __args represents a call to - * SLang_start_arg_list. Of course, i represents a set of indices. - * - * Note: If op is an unary operation (e.g., ++ or --), then X will not - * b present an will have to be taken to be 1. - * - * Implementation note: For efficiency, calls to setup the frame, start - * arg list will be omitted and SLang_Num_Function_Args will be set. - * This is ugly but the alternative is much less efficient rendering these - * assignment operators useless. So, the plan is to roll the stack to get X, - * then duplicate the next N values, call __aget followed by op X, finally - * calling __aput. Hence, the sequence is: - * - * start: X i .. j A - * dupN: X i .. j A i .. j A - * __aget: X i .. j A Y - * roll: i .. j A Y X - * op: i .. j A Z - * roll: Z i .. j A - * __aput: - */ -static int -set_array_lvalue (int op) -{ - SLang_Object_Type x, y; - int num_args, is_unary; - - if (-1 == map_assignment_op_to_binary (op, &op, &is_unary)) - return -1; - - /* Grab the indices and the array. Do not start a new frame. */ - if (-1 == SLang_end_arg_list ()) - return -1; - num_args = Next_Function_Num_Args; - Next_Function_Num_Args = 0; - - if (-1 == SLdup_n (num_args)) - return -1; - - SLang_Num_Function_Args = num_args; - if (-1 == _SLarray_aget ()) - return -1; - - if (-1 == SLang_pop (&y)) - return -1; - - if (is_unary == 0) - { - if ((-1 == SLroll_stack (-(num_args + 1))) - || (-1 == SLang_pop (&x))) - { - SLang_free_object (&y); - return -1; - } - } - else if (-1 == make_unit_object (&y, &x)) - { - SLang_free_object (&y); - return -1; - } - - if (-1 == do_binary_ab (op, &y, &x)) - { - SLang_free_object (&y); - SLang_free_object (&x); - return -1; - } -#if _SLANG_OPTIMIZE_FOR_SPEED - if (SLANG_CLASS_TYPE_SCALAR != _SLclass_Class_Type [y.data_type]) -#endif - SLang_free_object (&y); - -#if _SLANG_OPTIMIZE_FOR_SPEED - if (SLANG_CLASS_TYPE_SCALAR != _SLclass_Class_Type [x.data_type]) -#endif - SLang_free_object (&x); - - if (-1 == SLroll_stack (num_args + 1)) - return -1; - - SLang_Num_Function_Args = num_args; - return _SLarray_aput (); -} - - -static int -set_intrin_lvalue (SLBlock_Type *bc_blk) -{ - unsigned char op_type; - SLang_Object_Type obja; - SLang_Class_Type *cl; - SLang_Intrin_Var_Type *ivar; - VOID_STAR intrinsic_addr; - unsigned char intrinsic_type; - - ivar = bc_blk->b.nt_ivar_blk; - - intrinsic_type = ivar->type; - intrinsic_addr = ivar->addr; - - op_type = bc_blk->bc_sub_type; - - cl = _SLclass_get_class (intrinsic_type); - - if (op_type != _SLANG_BCST_ASSIGN) - { - /* We want to get the current value into obja. This is the - * easiest way. - */ - if ((-1 == (*cl->cl_push) (intrinsic_type, intrinsic_addr)) - || (-1 == SLang_pop (&obja))) - return -1; - - (void) perform_lvalue_operation (op_type, &obja); - SLang_free_object (&obja); - - if (SLang_Error) - return -1; - } - - return (*cl->cl_pop) (intrinsic_type, intrinsic_addr); -} - -int _SLang_deref_assign (SLang_Ref_Type *ref) -{ - SLang_Object_Type *objp; - SLang_Name_Type *nt; - SLBlock_Type blk; - - if (ref->is_global == 0) - { - objp = ref->v.local_obj; - if (objp > Local_Variable_Frame) - { - SLang_verror (SL_UNDEFINED_NAME, "Local variable reference is out of scope"); - return -1; - } - return set_lvalue_obj (_SLANG_BCST_ASSIGN, objp); - } - - nt = ref->v.nt; - switch (nt->name_type) - { - case SLANG_GVARIABLE: - case SLANG_PVARIABLE: - if (-1 == set_lvalue_obj (_SLANG_BCST_ASSIGN, - &((SLang_Global_Var_Type *)nt)->obj)) - { - do_name_type_error (nt); - return -1; - } - break; - - case SLANG_IVARIABLE: - blk.b.nt_blk = nt; - blk.bc_sub_type = _SLANG_BCST_ASSIGN; - if (-1 == set_intrin_lvalue (&blk)) - { - do_name_type_error (nt); - return -1; - } - break; - - case SLANG_LVARIABLE: - SLang_Error = SL_INTERNAL_ERROR; - /* set_intrin_lvalue (&blk); */ - return -1; - - case SLANG_RVARIABLE: - default: - SLang_verror (SL_READONLY_ERROR, "deref assignment to %s not allowed", nt->name); - return -1; - } - - return 0; -} - -static void set_deref_lvalue (SLBlock_Type *bc_blk) -{ - SLang_Object_Type *objp; - SLang_Ref_Type *ref; - - switch (bc_blk->bc_sub_type) - { - case SLANG_LVARIABLE: - objp = (Local_Variable_Frame - bc_blk->b.i_blk); - break; - case SLANG_GVARIABLE: - case SLANG_PVARIABLE: - objp = &bc_blk->b.nt_gvar_blk->obj; - break; - default: - SLang_Error = SL_INTERNAL_ERROR; - return; - } - - if (-1 == _SLpush_slang_obj (objp)) - return; - - if (-1 == SLang_pop_ref (&ref)) - return; - (void) _SLang_deref_assign (ref); - SLang_free_ref (ref); -} - -static int push_struct_field (char *name) -{ - int type; - SLang_Class_Type *cl; - - if (-1 == (type = SLang_peek_at_stack ())) - return -1; - - cl = _SLclass_get_class ((unsigned char) type); - if (cl->cl_sget == NULL) - { - SLang_verror (SL_NOT_IMPLEMENTED, - "%s does not permit structure access", - cl->cl_name); - SLdo_pop_n (2); - return -1; - } - - return (*cl->cl_sget) ((unsigned char) type, name); -} - -static void trace_dump (char *format, char *name, SLang_Object_Type *objs, int n, int dir) -{ - unsigned int len; - char prefix [52]; - - len = Trace_Mode - 1; - if (len + 2 >= sizeof (prefix)) - len = sizeof (prefix) - 2; - - SLMEMSET (prefix, ' ', len); - prefix[len] = 0; - - call_dump_routine (prefix); - call_dump_routine (format, name, n); - - if (n > 0) - { - prefix[len] = ' '; - len++; - prefix[len] = 0; - - _SLdump_objects (prefix, objs, n, dir); - } -} - -/* Pop a data item from the stack and return a pointer to it. - * Strings are not freed from stack so use another routine to do it. - */ -static VOID_STAR pop_pointer (SLang_Object_Type *obj, unsigned char type) -{ -#ifndef _SLANG_OPTIMIZE_FOR_SPEED - SLang_Class_Type *cl; -#endif - - SLang_Array_Type *at; - - /* Arrays are special. Allow scalars to automatically convert to arrays. - */ - if (type == SLANG_ARRAY_TYPE) - { - if (-1 == SLang_pop_array (&at, 1)) - return NULL; - obj->data_type = SLANG_ARRAY_TYPE; - return obj->v.ptr_val = (VOID_STAR) at; - } - - if (type == 0) - { - /* This happens when an intrinsic is declared without any information - * regarding parameter types. - */ - if (-1 == SLang_pop (obj)) - return NULL; - type = obj->data_type; - } - else if (-1 == _SLang_pop_object_of_type (type, obj, 0)) - return NULL; - -#if _SLANG_OPTIMIZE_FOR_SPEED - type = _SLclass_Class_Type [type]; -#else - type = _SLclass_get_class (type)->cl_class_type; -#endif - - if (type == SLANG_CLASS_TYPE_SCALAR) - return (VOID_STAR) &obj->v; - else if (type == SLANG_CLASS_TYPE_MMT) - return SLang_object_from_mmt (obj->v.ref); - else - return obj->v.ptr_val; -} - -/* This is ugly. Does anyone have a advice for a cleaner way of doing - * this?? - */ -typedef void (*VF0_Type)(void); -typedef void (*VF1_Type)(VOID_STAR); -typedef void (*VF2_Type)(VOID_STAR, VOID_STAR); -typedef void (*VF3_Type)(VOID_STAR, VOID_STAR, VOID_STAR); -typedef void (*VF4_Type)(VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR); -typedef void (*VF5_Type)(VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR); -typedef void (*VF6_Type)(VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR); -typedef void (*VF7_Type)(VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR); -typedef long (*LF0_Type)(void); -typedef long (*LF1_Type)(VOID_STAR); -typedef long (*LF2_Type)(VOID_STAR, VOID_STAR); -typedef long (*LF3_Type)(VOID_STAR, VOID_STAR, VOID_STAR); -typedef long (*LF4_Type)(VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR); -typedef long (*LF5_Type)(VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR); -typedef long (*LF6_Type)(VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR); -typedef long (*LF7_Type)(VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR); -#if SLANG_HAS_FLOAT -typedef double (*FF0_Type)(void); -typedef double (*FF1_Type)(VOID_STAR); -typedef double (*FF2_Type)(VOID_STAR, VOID_STAR); -typedef double (*FF3_Type)(VOID_STAR, VOID_STAR, VOID_STAR); -typedef double (*FF4_Type)(VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR); -typedef double (*FF5_Type)(VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR); -typedef double (*FF6_Type)(VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR); -typedef double (*FF7_Type)(VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR, VOID_STAR); -#endif - -static int execute_intrinsic_fun (SLang_Intrin_Fun_Type *objf) -{ -#if SLANG_HAS_FLOAT - double xf; -#endif - VOID_STAR p[SLANG_MAX_INTRIN_ARGS]; - SLang_Object_Type objs[SLANG_MAX_INTRIN_ARGS]; - long ret; - unsigned char type; - unsigned int argc; - unsigned int i; - FVOID_STAR fptr; - unsigned char *arg_types; - int stk_depth; - - fptr = objf->i_fun; - argc = objf->num_args; - type = objf->return_type; - arg_types = objf->arg_types; - - if (argc > SLANG_MAX_INTRIN_ARGS) - { - SLang_verror(SL_APPLICATION_ERROR, - "Intrinsic function %s requires too many parameters", objf->name); - return -1; - } - - if (-1 == _SL_increment_frame_pointer ()) - return -1; - - stk_depth = -1; - if (Trace_Mode && (_SLang_Trace > 0)) - { - int nargs; - - stk_depth = _SLstack_depth (); - - nargs = SLang_Num_Function_Args; - if (nargs == 0) - nargs = (int)argc; - - stk_depth -= nargs; - - if (stk_depth >= 0) - trace_dump (">>%s (%d args)\n", - objf->name, - _SLStack_Pointer - nargs, - nargs, - 1); - } - - i = argc; - while (i != 0) - { - i--; - if (NULL == (p[i] = pop_pointer (objs + i, arg_types[i]))) - { - i++; - goto free_and_return; - } - } - - ret = 0; -#if SLANG_HAS_FLOAT - xf = 0.0; -#endif - - switch (argc) - { - case 0: - if (type == SLANG_VOID_TYPE) ((VF0_Type) fptr) (); -#if SLANG_HAS_FLOAT - else if (type == SLANG_DOUBLE_TYPE) xf = ((FF0_Type) fptr)(); -#endif - else ret = ((LF0_Type) fptr)(); - break; - - case 1: - if (type == SLANG_VOID_TYPE) ((VF1_Type) fptr)(p[0]); -#if SLANG_HAS_FLOAT - else if (type == SLANG_DOUBLE_TYPE) xf = ((FF1_Type) fptr)(p[0]); -#endif - else ret = ((LF1_Type) fptr)(p[0]); - break; - - case 2: - if (type == SLANG_VOID_TYPE) ((VF2_Type) fptr)(p[0], p[1]); -#if SLANG_HAS_FLOAT - else if (type == SLANG_DOUBLE_TYPE) xf = ((FF2_Type) fptr)(p[0], p[1]); -#endif - else ret = ((LF2_Type) fptr)(p[0], p[1]); - break; - - case 3: - if (type == SLANG_VOID_TYPE) ((VF3_Type) fptr)(p[0], p[1], p[2]); -#if SLANG_HAS_FLOAT - else if (type == SLANG_DOUBLE_TYPE) xf = ((FF3_Type) fptr)(p[0], p[1], p[2]); -#endif - else ret = ((LF3_Type) fptr)(p[0], p[1], p[2]); - break; - - case 4: - if (type == SLANG_VOID_TYPE) ((VF4_Type) fptr)(p[0], p[1], p[2], p[3]); -#if SLANG_HAS_FLOAT - else if (type == SLANG_DOUBLE_TYPE) xf = ((FF4_Type) fptr)(p[0], p[1], p[2], p[3]); -#endif - else ret = ((LF4_Type) fptr)(p[0], p[1], p[2], p[3]); - break; - - case 5: - if (type == SLANG_VOID_TYPE) ((VF5_Type) fptr)(p[0], p[1], p[2], p[3], p[4]); -#if SLANG_HAS_FLOAT - else if (type == SLANG_DOUBLE_TYPE) xf = ((FF5_Type) fptr)(p[0], p[1], p[2], p[3], p[4]); -#endif - else ret = ((LF5_Type) fptr)(p[0], p[1], p[2], p[3], p[4]); - break; - - case 6: - if (type == SLANG_VOID_TYPE) ((VF6_Type) fptr)(p[0], p[1], p[2], p[3], p[4], p[5]); -#if SLANG_HAS_FLOAT - else if (type == SLANG_DOUBLE_TYPE) xf = ((FF6_Type) fptr)(p[0], p[1], p[2], p[3], p[4], p[5]); -#endif - else ret = ((LF6_Type) fptr)(p[0], p[1], p[2], p[3], p[4], p[5]); - break; - - case 7: - if (type == SLANG_VOID_TYPE) ((VF7_Type) fptr)(p[0], p[1], p[2], p[3], p[4], p[5], p[6]); -#if SLANG_HAS_FLOAT - else if (type == SLANG_DOUBLE_TYPE) xf = ((FF7_Type) fptr)(p[0], p[1], p[2], p[3], p[4], p[5], p[6]); -#endif - else ret = ((LF7_Type) fptr)(p[0], p[1], p[2], p[3], p[4], p[5], p[6]); - break; - } - - switch (type) - { - case SLANG_VOID_TYPE: - break; - -#if SLANG_HAS_FLOAT - case SLANG_DOUBLE_TYPE: - (void) SLang_push_double (xf); - break; -#endif - case SLANG_UINT_TYPE: - case SLANG_INT_TYPE: (void) SLclass_push_int_obj (type, (int) ret); - break; - - case SLANG_CHAR_TYPE: - case SLANG_UCHAR_TYPE: (void) SLclass_push_char_obj (type, (char) ret); - break; - - case SLANG_SHORT_TYPE: - case SLANG_USHORT_TYPE: (void) SLclass_push_short_obj (type, (short) ret); - break; - - case SLANG_LONG_TYPE: - case SLANG_ULONG_TYPE: (void) SLclass_push_long_obj (type, ret); - break; - - case SLANG_STRING_TYPE: - if (NULL == (char *)ret) - { - if (SLang_Error == 0) SLang_Error = SL_INTRINSIC_ERROR; - } - else (void) SLang_push_string ((char *)ret); - break; - - default: - SLang_verror (SL_NOT_IMPLEMENTED, - "Support for intrinsic functions returning %s is not provided", - SLclass_get_datatype_name (type)); - } - - if (stk_depth >= 0) - { - stk_depth = _SLstack_depth () - stk_depth; - - trace_dump ("<<%s (returning %d values)\n", - objf->name, - _SLStack_Pointer - stk_depth, - stk_depth, - 1); - } - - free_and_return: - while (i < argc) - { - SLang_free_object (objs + i); - i++; - } - - return _SL_decrement_frame_pointer (); -} - -static int inner_interp(register SLBlock_Type *); - -/* Switch_Obj_Ptr points to the NEXT available free switch object */ -static SLang_Object_Type Switch_Objects[SLANG_MAX_NESTED_SWITCH]; -static SLang_Object_Type *Switch_Obj_Ptr = Switch_Objects; -static SLang_Object_Type *Switch_Obj_Max = Switch_Objects + SLANG_MAX_NESTED_SWITCH; - -static void -lang_do_loops (unsigned char stype, SLBlock_Type *block, unsigned int num_blocks) -{ - int i, ctrl; - int first, last; - SLBlock_Type *blks[4]; - char *loop_name; - SLang_Foreach_Context_Type *foreach_context; - SLang_Class_Type *cl; - int type; - unsigned int j; - - j = 0; - for (i = 0; i < (int) num_blocks; i++) - { - if (block[i].bc_main_type != _SLANG_BC_BLOCK) - { - if (block[i].bc_main_type == _SLANG_BC_LINE_NUM) - continue; - - SLang_verror (SL_SYNTAX_ERROR, "Bytecode is not a looping block"); - return; - } - blks[j] = block[i].b.blk; - j++; - } - - num_blocks = j; - block = blks[0]; - - switch (stype) - { - case _SLANG_BCST_FOREACH: - loop_name = "foreach"; - if (num_blocks != 1) - goto wrong_num_blocks_error; - - /* We should find Next_Function_Num_Args + 1 items on the stack. - * The first Next_Function_Num_Args items represent the arguments to - * to USING. The last item (deepest in stack) is the object to loop - * over. So, roll the stack up and grab it. - */ - if ((-1 == SLroll_stack (-(Next_Function_Num_Args + 1))) - || (-1 == (type = SLang_peek_at_stack ()))) - goto return_error; - - cl = _SLclass_get_class ((unsigned char) type); - if ((cl->cl_foreach == NULL) - || (cl->cl_foreach_open == NULL) - || (cl->cl_foreach_close == NULL)) - { - SLang_verror (SL_NOT_IMPLEMENTED, "%s does not permit foreach", cl->cl_name); - SLdo_pop_n (Next_Function_Num_Args + 1); - goto return_error; - } - - if (NULL == (foreach_context = (*cl->cl_foreach_open) ((unsigned char)type, Next_Function_Num_Args))) - goto return_error; - - while (1) - { - int status; - - if (SLang_Error) - { - (*cl->cl_foreach_close) ((unsigned char) type, foreach_context); - goto return_error; - } - - status = (*cl->cl_foreach) ((unsigned char) type, foreach_context); - if (status <= 0) - { - if (status == 0) - break; - - (*cl->cl_foreach_close) ((unsigned char) type, foreach_context); - goto return_error; - } - - inner_interp (block); - if (Lang_Break) break; - Lang_Break_Condition = /* Lang_Continue = */ 0; - } - (*cl->cl_foreach_close) ((unsigned char) type, foreach_context); - break; - - case _SLANG_BCST_WHILE: - loop_name = "while"; - - if (num_blocks != 2) - goto wrong_num_blocks_error; - - type = blks[1]->bc_main_type; - while (1) - { - if (SLang_Error) - goto return_error; - - inner_interp (block); - if (Lang_Break) break; - - if (-1 == pop_ctrl_integer (&ctrl)) - goto return_error; - - if (ctrl == 0) break; - - if (type) - { - inner_interp (blks[1]); - if (Lang_Break) break; - Lang_Break_Condition = /* Lang_Continue = */ 0; - } - } - break; - - case _SLANG_BCST_DOWHILE: - loop_name = "do...while"; - - if (num_blocks != 2) - goto wrong_num_blocks_error; - - while (1) - { - if (SLang_Error) - goto return_error; - - Lang_Break_Condition = /* Lang_Continue = */ 0; - inner_interp (block); - if (Lang_Break) break; - Lang_Break_Condition = /* Lang_Continue = */ 0; - inner_interp (blks[1]); - if (-1 == pop_ctrl_integer (&ctrl)) - goto return_error; - - if (ctrl == 0) break; - } - break; - - case _SLANG_BCST_CFOR: - loop_name = "for"; - - /* we need 4 blocks: first 3 control, the last is code */ - if (num_blocks != 4) goto wrong_num_blocks_error; - - inner_interp (block); - while (1) - { - if (SLang_Error) - goto return_error; - - inner_interp(blks[1]); /* test */ - if (-1 == pop_ctrl_integer (&ctrl)) - goto return_error; - - if (ctrl == 0) break; - inner_interp(blks[3]); /* code */ - if (Lang_Break) break; - inner_interp(blks[2]); /* bump */ - Lang_Break_Condition = /* Lang_Continue = */ 0; - } - break; - - case _SLANG_BCST_FOR: - loop_name = "_for"; - - if (num_blocks != 1) - goto wrong_num_blocks_error; - - /* 3 elements: first, last, step */ - if ((-1 == SLang_pop_integer (&ctrl)) - || (-1 == SLang_pop_integer (&last)) - || (-1 == SLang_pop_integer (&first))) - goto return_error; - - i = first; - while (1) - { - /* It is ugly to have this test here but I do not know of a - * simple way to do this without using two while loops. - */ - if (ctrl >= 0) - { - if (i > last) break; - } - else if (i < last) break; - - if (SLang_Error) goto return_error; - - SLclass_push_int_obj (SLANG_INT_TYPE, i); - inner_interp (block); - if (Lang_Break) break; - Lang_Break_Condition = /* Lang_Continue = */ 0; - - i += ctrl; - } - break; - - case _SLANG_BCST_LOOP: - loop_name = "loop"; - if (num_blocks != 1) - goto wrong_num_blocks_error; - - if (-1 == SLang_pop_integer (&ctrl)) - goto return_error; - while (ctrl > 0) - { - ctrl--; - - if (SLang_Error) - goto return_error; - - inner_interp (block); - if (Lang_Break) break; - Lang_Break_Condition = /* Lang_Continue = */ 0; - } - break; - - case _SLANG_BCST_FOREVER: - loop_name = "forever"; - - if (num_blocks != 1) - goto wrong_num_blocks_error; - - while (1) - { - if (SLang_Error) - goto return_error; - - inner_interp (block); - if (Lang_Break) break; - Lang_Break_Condition = /* Lang_Continue = */ 0; - } - break; - - default: SLang_verror(SL_INTERNAL_ERROR, "Unknown loop type"); - return; - } - Lang_Break = /* Lang_Continue = */ 0; - Lang_Break_Condition = Lang_Return; - return; - - wrong_num_blocks_error: - SLang_verror (SL_SYNTAX_ERROR, "Wrong number of blocks for '%s' construct", loop_name); - - /* drop */ - return_error: - do_traceback (loop_name, 0, NULL); -} - -static void lang_do_and_orelse (unsigned char stype, SLBlock_Type *addr, SLBlock_Type *addr_max) -{ - int test = 0; - int is_or; - - is_or = (stype == _SLANG_BCST_ORELSE); - - while (addr <= addr_max) - { - if (addr->bc_main_type == _SLANG_BC_LINE_NUM) - { - addr++; - continue; - } - - inner_interp (addr->b.blk); - if (SLang_Error - || Lang_Break_Condition - || (-1 == pop_ctrl_integer (&test))) - return; - - if (is_or == (test != 0)) - break; - - /* if (((stype == _SLANG_BCST_ANDELSE) && (test == 0)) - * || ((stype == _SLANG_BCST_ORELSE) && test)) - * break; - */ - - addr++; - } - SLclass_push_int_obj (SLANG_INT_TYPE, test); -} - -static void do_else_if (SLBlock_Type *zero_block, SLBlock_Type *non_zero_block) -{ - int test; - - if (-1 == pop_ctrl_integer (&test)) - return; - - if (test == 0) - non_zero_block = zero_block; - - if (non_zero_block != NULL) - inner_interp (non_zero_block->b.blk); -} - -int _SLang_trace_fun (char *f) -{ - if (NULL == (f = SLang_create_slstring (f))) - return -1; - - SLang_free_slstring (Trace_Function); - Trace_Function = f; - _SLang_Trace = 1; - return 0; -} - -int _SLdump_objects (char *prefix, SLang_Object_Type *x, unsigned int n, int dir) -{ - char *s; - SLang_Class_Type *cl; - - while (n) - { - cl = _SLclass_get_class (x->data_type); - - if (NULL == (s = _SLstringize_object (x))) - s = "??"; - - call_dump_routine ("%s[%s]:%s\n", prefix, cl->cl_name, s); - - SLang_free_slstring (s); - - x += dir; - n--; - } - return 0; -} - -static SLBlock_Type *Exit_Block_Ptr; -static SLBlock_Type *Global_User_Block[5]; -static SLBlock_Type **User_Block_Ptr = Global_User_Block; -char *_SLang_Current_Function_Name = NULL; - -static int execute_slang_fun (_SLang_Function_Type *fun) -{ - register unsigned int i; - register SLang_Object_Type *frame, *lvf; - register unsigned int n_locals; - _SLBlock_Header_Type *header; - /* SLBlock_Type *val; */ - SLBlock_Type *exit_block_save; - SLBlock_Type **user_block_save; - SLBlock_Type *user_blocks[5]; - char *save_fname; - - exit_block_save = Exit_Block_Ptr; - user_block_save = User_Block_Ptr; - User_Block_Ptr = user_blocks; - *(user_blocks) = NULL; - *(user_blocks + 1) = NULL; - *(user_blocks + 2) = NULL; - *(user_blocks + 3) = NULL; - *(user_blocks + 4) = NULL; - - Exit_Block_Ptr = NULL; - - save_fname = _SLang_Current_Function_Name; - _SLang_Current_Function_Name = fun->name; - - _SL_increment_frame_pointer (); - - /* need loaded? */ - if (fun->nlocals == AUTOLOAD_NUM_LOCALS) - { - header = NULL; - if (-1 == SLang_load_file(fun->v.autoload_filename)) - goto the_return; - - if (fun->nlocals == AUTOLOAD_NUM_LOCALS) - { - SLang_verror (SL_UNDEFINED_NAME, "%s: Function did not autoload", - _SLang_Current_Function_Name); - goto the_return; - } - } - - n_locals = fun->nlocals; - - /* let the error propagate through since it will do no harm - and allow us to restore stack. */ - - /* set new stack frame */ - lvf = frame = Local_Variable_Frame; - i = n_locals; - if ((lvf + i) > Local_Variable_Stack + SLANG_MAX_LOCAL_STACK) - { - SLang_verror(SL_STACK_OVERFLOW, "%s: Local Variable Stack Overflow", - _SLang_Current_Function_Name); - goto the_return; - } - - /* Make sure we do not allow this header to get destroyed by something - * like: define crash () { eval ("define crash ();") } - */ - header = fun->v.header; - header->num_refs++; - - while (i--) - { - lvf++; - lvf->data_type = SLANG_UNDEFINED_TYPE; - } - Local_Variable_Frame = lvf; - - /* read values of function arguments */ - i = fun->nargs; - while (i > 0) - { - i--; - (void) SLang_pop (Local_Variable_Frame - i); - } - - if (SLang_Enter_Function != NULL) (*SLang_Enter_Function)(_SLang_Current_Function_Name); - - if (_SLang_Trace) - { - int stack_depth; - - stack_depth = _SLstack_depth (); - - if ((Trace_Function != NULL) - && (0 == strcmp (Trace_Function, _SLang_Current_Function_Name)) - && (Trace_Mode == 0)) - Trace_Mode = 1; - - if (Trace_Mode) - { - /* The local variable frame grows backwards */ - trace_dump (">>%s (%d args)\n", - _SLang_Current_Function_Name, - Local_Variable_Frame, - (int) fun->nargs, - -1); - Trace_Mode++; - } - - inner_interp (header->body); - Lang_Break_Condition = Lang_Return = Lang_Break = 0; - if (Exit_Block_Ptr != NULL) inner_interp(Exit_Block_Ptr); - - if (Trace_Mode) - { - Trace_Mode--; - stack_depth = _SLstack_depth () - stack_depth; - - trace_dump ("<<%s (returning %d values)\n", - _SLang_Current_Function_Name, - _SLStack_Pointer - stack_depth, - stack_depth, - 1); - - if (Trace_Mode == 1) - Trace_Mode = 0; - } - } - else - { - inner_interp (header->body); - Lang_Break_Condition = Lang_Return = Lang_Break = 0; - if (Exit_Block_Ptr != NULL) inner_interp(Exit_Block_Ptr); - } - - if (SLang_Exit_Function != NULL) (*SLang_Exit_Function)(_SLang_Current_Function_Name); - - if (SLang_Error) - do_traceback(fun->name, n_locals, -#if _SLANG_HAS_DEBUG_CODE - fun->file -#else - NULL -#endif - ); - - /* free local variables.... */ - lvf = Local_Variable_Frame; - while (lvf > frame) - { -#if _SLANG_OPTIMIZE_FOR_SPEED - if (SLANG_CLASS_TYPE_SCALAR != _SLclass_Class_Type [lvf->data_type]) -#endif - SLang_free_object (lvf); - lvf--; - } - Local_Variable_Frame = lvf; - - if (header->num_refs == 1) - free_function_header (header); - else - header->num_refs--; - - the_return: - - Lang_Break_Condition = Lang_Return = Lang_Break = 0; - Exit_Block_Ptr = exit_block_save; - User_Block_Ptr = user_block_save; - _SLang_Current_Function_Name = save_fname; - _SL_decrement_frame_pointer (); - - if (SLang_Error) - return -1; - - return 0; -} - -static void do_traceback (char *name, unsigned int locals, char *file) -{ - char *s; - unsigned int i; - SLang_Object_Type *objp; - unsigned short stype; - - /* FIXME: Priority=low - * I need to make this configurable!!! That is, let the - * application decide whether or not a usage error should result in a - * traceback. - */ - if (SLang_Error == SL_USAGE_ERROR) - return; - - if (SLang_Traceback == 0) - return; - - call_dump_routine ("S-Lang Traceback: %s\n", name); - if (SLang_Traceback < 0) - return; - - if (file != NULL) - call_dump_routine ("File: %s\n", file); - - if (locals == 0) - return; - - call_dump_routine (" Local Variables:\n"); - - for (i = 0; i < locals; i++) - { - SLang_Class_Type *cl; - char *class_name; - - objp = Local_Variable_Frame - i; - stype = objp->data_type; - - s = _SLstringize_object (objp); - cl = _SLclass_get_class (stype); - class_name = cl->cl_name; - - call_dump_routine ("\t$%d: Type: %s,\tValue:\t", i, class_name); - - if (s == NULL) call_dump_routine("??\n"); - else - { - char *q = ""; -#ifndef HAVE_VSNPRINTF - char buf[256]; - if (strlen (s) >= sizeof (buf)) - { - strncpy (buf, s, sizeof(buf)); - s = buf; - s[sizeof(buf) - 1] = 0; - } -#endif - if (SLANG_STRING_TYPE == stype) q = "\""; - call_dump_routine ("%s%s%s\n", q, s, q); - } - } -} - -static void do_app_unary (SLang_App_Unary_Type *nt) -{ - if (-1 == do_unary (nt->unary_op, nt->name_type)) - do_traceback (nt->name, 0, NULL); -} - -static int inner_interp_nametype (SLang_Name_Type *nt) -{ - SLBlock_Type bc_blks[2]; - - bc_blks[0].b.nt_blk = nt; - bc_blks[0].bc_main_type = nt->name_type; - bc_blks[1].bc_main_type = 0; - return inner_interp(bc_blks); -} - -int _SLang_dereference_ref (SLang_Ref_Type *ref) -{ - if (ref == NULL) - { - SLang_Error = SL_INTERNAL_ERROR; - return -1; - } - - if (ref->is_global == 0) - { - SLang_Object_Type *obj = ref->v.local_obj; - if (obj > Local_Variable_Frame) - { - SLang_verror (SL_UNDEFINED_NAME, "Local variable deref is out of scope"); - return -1; - } - return _SLpush_slang_obj (ref->v.local_obj); - } - - (void) inner_interp_nametype (ref->v.nt); - return 0; -} - -int _SLang_is_ref_initialized (SLang_Ref_Type *ref) -{ - unsigned char type; - - if (ref == NULL) - { - SLang_Error = SL_INTERNAL_ERROR; - return -1; - } - - if (ref->is_global == 0) - { - SLang_Object_Type *obj = ref->v.local_obj; - if (obj > Local_Variable_Frame) - { - SLang_verror (SL_UNDEFINED_NAME, "Local variable deref is out of scope"); - return -1; - } - type = ref->v.local_obj->data_type; - } - else - { - SLang_Name_Type *nt = ref->v.nt; - if ((nt->name_type != SLANG_GVARIABLE) - && (nt->name_type != SLANG_PVARIABLE)) - return 1; - type = ((SLang_Global_Var_Type *)nt)->obj.data_type; - } - return type != SLANG_UNDEFINED_TYPE; -} - -int _SLang_uninitialize_ref (SLang_Ref_Type *ref) -{ - SLang_Object_Type *obj; - - if (ref == NULL) - { - SLang_Error = SL_INTERNAL_ERROR; - return -1; - } - - if (ref->is_global == 0) - { - obj = ref->v.local_obj; - if (obj > Local_Variable_Frame) - { - SLang_verror (SL_UNDEFINED_NAME, "Local variable deref is out of scope"); - return -1; - } - obj = ref->v.local_obj; - } - else - { - SLang_Name_Type *nt = ref->v.nt; - if ((nt->name_type != SLANG_GVARIABLE) - && (nt->name_type != SLANG_PVARIABLE)) - return -1; - obj = &((SLang_Global_Var_Type *)nt)->obj; - } - SLang_free_object (obj); - obj->data_type = SLANG_UNDEFINED_TYPE; - obj->v.ptr_val = NULL; - return 0; -} - -void (*SLang_Interrupt)(void); -static int Last_Error; -void (*SLang_User_Clear_Error)(void); -void _SLang_clear_error (void) -{ - if (Last_Error <= 0) - { - Last_Error = 0; - return; - } - Last_Error--; - if (SLang_User_Clear_Error != NULL) (*SLang_User_Clear_Error)(); -} - -int _SLpush_slang_obj (SLang_Object_Type *obj) -{ - unsigned char subtype; - SLang_Class_Type *cl; - - if (obj == NULL) return SLang_push_null (); - - subtype = obj->data_type; - -#if _SLANG_OPTIMIZE_FOR_SPEED - if (SLANG_CLASS_TYPE_SCALAR == _SLclass_Class_Type[subtype]) - return SLang_push (obj); -#endif - - cl = _SLclass_get_class (subtype); - return (*cl->cl_push) (subtype, (VOID_STAR) &obj->v); -} - -_INLINE_ -static int push_local_variable (int i) -{ - SLang_Class_Type *cl; - SLang_Object_Type *obj; - unsigned char subtype; - - obj = Local_Variable_Frame - i; - subtype = obj->data_type; - -#if _SLANG_OPTIMIZE_FOR_SPEED - if (SLANG_CLASS_TYPE_SCALAR == _SLclass_Class_Type[subtype]) - return SLang_push (obj); - if (subtype == SLANG_STRING_TYPE) - return _SLang_dup_and_push_slstring (obj->v.s_val); -#endif - - cl = _SLclass_get_class (subtype); - return (*cl->cl_push) (subtype, (VOID_STAR) &obj->v); -} - -static int push_intrinsic_variable (SLang_Intrin_Var_Type *ivar) -{ - SLang_Class_Type *cl; - unsigned char stype; - - stype = ivar->type; - cl = _SLclass_get_class (stype); - - if (-1 == (*cl->cl_push_intrinsic) (stype, ivar->addr)) - { - do_name_type_error ((SLang_Name_Type *) ivar); - return -1; - } - return 0; -} - -static int dereference_object (void) -{ - SLang_Object_Type obj; - SLang_Class_Type *cl; - unsigned char type; - int ret; - - if (-1 == SLang_pop (&obj)) - return -1; - - type = obj.data_type; - - cl = _SLclass_get_class (type); - ret = (*cl->cl_dereference)(type, (VOID_STAR) &obj.v); - - SLang_free_object (&obj); - return ret; -} - -static int case_function (void) -{ - unsigned char type; - SLang_Object_Type obj; - SLang_Object_Type *swobjptr; - - swobjptr = Switch_Obj_Ptr - 1; - - if ((swobjptr < Switch_Objects) - || (0 == (type = swobjptr->data_type))) - { - SLang_verror (SL_SYNTAX_ERROR, "Misplaced 'case' keyword"); - return -1; - } - - if (-1 == SLang_pop (&obj)) - return -1; - - if (obj.data_type != type) - { - SLang_Class_Type *a_cl, *b_cl; - - a_cl = _SLclass_get_class (obj.data_type); - b_cl = _SLclass_get_class (type); - - if (NULL == _SLclass_get_binary_fun (SLANG_EQ, a_cl, b_cl, &a_cl, 0)) - { - (void) SLclass_push_int_obj (SLANG_INT_TYPE, 0); - SLang_free_object (&obj); - return 0; - } - } - - (void) do_binary_ab (SLANG_EQ, swobjptr, &obj); - SLang_free_object (&obj); - return 0; -} - -static void tmp_variable_function (SLBlock_Type *addr) -{ - SLang_Object_Type *obj; - - switch (addr->bc_sub_type) - { - case SLANG_GVARIABLE: - case SLANG_PVARIABLE: - obj = &addr->b.nt_gvar_blk->obj; - break; - - case SLANG_LVARIABLE: - obj = Local_Variable_Frame - addr->b.i_blk; - break; - - default: - SLang_Error = SL_INTERNAL_ERROR; - return; - } - - /* There is no need to go through higher level routines since we are - * not creating or destroying extra copies. - */ - if (-1 == SLang_push (obj)) - return; - - obj->data_type = SLANG_UNDEFINED_TYPE; - obj->v.ptr_val = NULL; -} - - -static int -do_inner_interp_error (SLBlock_Type *err_block, - SLBlock_Type *addr_start, - SLBlock_Type *addr) -{ - int save_err, slerr; - - /* Someday I can use the these variable to provide extra information - * about what went wrong. - */ - (void) addr_start; - (void) addr; - - if (err_block == NULL) - goto return_error; - - if (SLang_Error < 0) /* errors less than 0 are severe */ - goto return_error; - - save_err = Last_Error++; - slerr = SLang_Error; - SLang_Error = 0; - inner_interp (err_block->b.blk); - - if (Last_Error <= save_err) - { - /* Caught error and cleared it */ - Last_Error = save_err; - if ((Lang_Break_Condition == 0) - /* An error may have cleared the error and then caused the - * function to return. We will allow that but let's not allow - * 'break' nor 'continue' statements until later. - */ - || Lang_Return) - return 0; - - /* drop--- either a break or continue was called */ - } - - Last_Error = save_err; - SLang_Error = slerr; - - return_error: -#if _SLANG_HAS_DEBUG_CODE - while (addr >= addr_start) - { - if (addr->bc_main_type == _SLANG_BC_LINE_NUM) - { - char buf[256]; - sprintf (buf, "(Error occurred on line %lu)", addr->b.l_blk); - do_traceback (buf, 0, NULL); - break; - } - /* Special hack for 16 bit systems to prevent pointer wrapping. */ -#if defined(__16_BIT_SYSTEM__) - if (addr == addr_start) - break; -#endif - addr--; - } -#endif - return -1; -} - - -#define GATHER_STATISTICS 0 -#if GATHER_STATISTICS -static unsigned int Bytecodes[0xFFFF]; - -static void print_stats (void) -{ - unsigned int i; - unsigned long total; - FILE *fp = fopen ("stats.txt", "w"); - if (fp == NULL) - return; - - total = 0; - for (i = 0; i < 0xFFFF; i++) - total += Bytecodes[i]; - - if (total == 0) - total = 1; - - for (i = 0; i < 0xFFFF; i++) - { - if (Bytecodes[i]) - fprintf (fp, "0x%04X %9u %e\n", i, Bytecodes[i], Bytecodes[i]/(double) total); - } - fclose (fp); -} - -static void add_to_statistics (SLBlock_Type *b) -{ - unsigned short x, y; - - x = b->bc_main_type; - if (x == 0) - { - Bytecodes[0] += 1; - return; - } - b++; - y = b->bc_main_type; - - Bytecodes[(x << 8) | y] += 1; -} - -#endif - -/* inner interpreter */ -/* The return value from this function is only meaningful when it is used - * to process blocks for the switch statement. If it returns 0, the calling - * routine should pass the next block to it. Otherwise it will - * return non-zero, with or without error. - */ -static int inner_interp (SLBlock_Type *addr_start) -{ - SLBlock_Type *block, *err_block, *addr; -#if GATHER_STATISTICS - static int inited = 0; - - if (inited == 0) - { - (void) SLang_add_cleanup_function (print_stats); - inited = 1; - } -#endif - - /* for systems that have no real interrupt facility (e.g. go32 on dos) */ - if (SLang_Interrupt != NULL) (*SLang_Interrupt)(); - - block = err_block = NULL; - addr = addr_start; - -#if GATHER_STATISTICS - add_to_statistics (addr); -#endif - while (1) - { - switch (addr->bc_main_type) - { - case 0: - return 1; - case _SLANG_BC_LVARIABLE: - push_local_variable (addr->b.i_blk); - break; - case _SLANG_BC_GVARIABLE: - if (-1 == _SLpush_slang_obj (&addr->b.nt_gvar_blk->obj)) - do_name_type_error (addr->b.nt_blk); - break; - - case _SLANG_BC_IVARIABLE: - case _SLANG_BC_RVARIABLE: - push_intrinsic_variable (addr->b.nt_ivar_blk); - break; - - case _SLANG_BC_INTRINSIC: - execute_intrinsic_fun (addr->b.nt_ifun_blk); - if (SLang_Error) - do_traceback(addr->b.nt_ifun_blk->name, 0, NULL); - break; - - case _SLANG_BC_FUNCTION: - execute_slang_fun (addr->b.nt_fun_blk); - if (Lang_Break_Condition) goto handle_break_condition; - break; - - case _SLANG_BC_MATH_UNARY: - case _SLANG_BC_APP_UNARY: - /* Make sure we treat these like function calls since the - * parser took sin(x) to be a function call. - */ - if (0 == _SL_increment_frame_pointer ()) - { - do_app_unary (addr->b.nt_unary_blk); - (void) _SL_decrement_frame_pointer (); - } - break; - - case _SLANG_BC_ICONST: - SLclass_push_int_obj (SLANG_INT_TYPE, addr->b.iconst_blk->i); - break; - -#if SLANG_HAS_FLOAT - case _SLANG_BC_DCONST: - SLang_push_double (addr->b.dconst_blk->d); - break; -#endif - - case _SLANG_BC_PVARIABLE: - if (-1 == _SLpush_slang_obj (&addr->b.nt_gvar_blk->obj)) - do_name_type_error (addr->b.nt_blk); - break; - - case _SLANG_BC_PFUNCTION: - execute_slang_fun (addr->b.nt_fun_blk); - if (Lang_Break_Condition) goto handle_break_condition; - break; - - case _SLANG_BC_BINARY: - do_binary (addr->b.i_blk); - break; - - case _SLANG_BC_LITERAL: -#if !_SLANG_OPTIMIZE_FOR_SPEED - case _SLANG_BC_LITERAL_INT: - case _SLANG_BC_LITERAL_STR: -#endif - { - SLang_Class_Type *cl = _SLclass_get_class (addr->bc_sub_type); - (*cl->cl_push_literal) (addr->bc_sub_type, (VOID_STAR) &addr->b.ptr_blk); - } - break; -#if _SLANG_OPTIMIZE_FOR_SPEED - case _SLANG_BC_LITERAL_INT: - SLclass_push_int_obj (addr->bc_sub_type, (int) addr->b.l_blk); - break; - - case _SLANG_BC_LITERAL_STR: - _SLang_dup_and_push_slstring (addr->b.s_blk); - break; -#endif - case _SLANG_BC_BLOCK: - switch (addr->bc_sub_type) - { - case _SLANG_BCST_ERROR_BLOCK: - err_block = addr; - break; - - case _SLANG_BCST_EXIT_BLOCK: - Exit_Block_Ptr = addr->b.blk; - break; - - case _SLANG_BCST_USER_BLOCK0: - case _SLANG_BCST_USER_BLOCK1: - case _SLANG_BCST_USER_BLOCK2: - case _SLANG_BCST_USER_BLOCK3: - case _SLANG_BCST_USER_BLOCK4: - User_Block_Ptr[addr->bc_sub_type - _SLANG_BCST_USER_BLOCK0] = addr->b.blk; - break; - - case _SLANG_BCST_LOOP: - case _SLANG_BCST_WHILE: - case _SLANG_BCST_FOR: - case _SLANG_BCST_FOREVER: - case _SLANG_BCST_CFOR: - case _SLANG_BCST_DOWHILE: - case _SLANG_BCST_FOREACH: - if (block == NULL) block = addr; - lang_do_loops(addr->bc_sub_type, block, 1 + (unsigned int) (addr - block)); - block = NULL; - break; - - case _SLANG_BCST_IFNOT: -#if _SLANG_OPTIMIZE_FOR_SPEED - { - int i; - - if ((0 == pop_ctrl_integer (&i)) && (i == 0)) - inner_interp (addr->b.blk); - } -#else - do_else_if (addr, NULL); -#endif - break; - - case _SLANG_BCST_IF: -#if _SLANG_OPTIMIZE_FOR_SPEED - { - int i; - - if ((0 == pop_ctrl_integer (&i)) && i) - inner_interp (addr->b.blk); - } -#else - do_else_if (NULL, addr); -#endif - break; - - case _SLANG_BCST_NOTELSE: - do_else_if (block, addr); - block = NULL; - break; - - case _SLANG_BCST_ELSE: - do_else_if (addr, block); - block = NULL; - break; - - case _SLANG_BCST_SWITCH: - if (Switch_Obj_Ptr == Switch_Obj_Max) - { - SLang_doerror("switch nesting too deep"); - break; - } - (void) SLang_pop (Switch_Obj_Ptr); - Switch_Obj_Ptr++; - - if (block == NULL) block = addr; - while ((SLang_Error == 0) - && (block <= addr) - && (Lang_Break_Condition == 0) - && (0 == inner_interp (block->b.blk))) - block++; - Switch_Obj_Ptr--; - SLang_free_object (Switch_Obj_Ptr); - Switch_Obj_Ptr->data_type = 0; - block = NULL; - break; - - case _SLANG_BCST_ANDELSE: - case _SLANG_BCST_ORELSE: - if (block == NULL) block = addr; - lang_do_and_orelse (addr->bc_sub_type, block, addr); - block = NULL; - break; - - default: - if (block == NULL) block = addr; - break; - } - if (Lang_Break_Condition) goto handle_break_condition; - break; - - case _SLANG_BC_RETURN: - Lang_Break_Condition = Lang_Return = Lang_Break = 1; return 1; - case _SLANG_BC_BREAK: - Lang_Break_Condition = Lang_Break = 1; return 1; - case _SLANG_BC_CONTINUE: - Lang_Break_Condition = /* Lang_Continue = */ 1; return 1; - - case _SLANG_BC_EXCH: - (void) SLreverse_stack (2); - break; - - case _SLANG_BC_LABEL: - { - int test; - if ((0 == SLang_pop_integer (&test)) - && (test == 0)) - return 0; - } - break; - - case _SLANG_BC_LOBJPTR: - (void)_SLang_push_ref (0, (VOID_STAR)(Local_Variable_Frame - addr->b.i_blk)); - break; - - case _SLANG_BC_GOBJPTR: - (void)_SLang_push_ref (1, (VOID_STAR)addr->b.nt_blk); - break; - - case _SLANG_BC_X_ERROR: - if (err_block != NULL) - { - inner_interp(err_block->b.blk); - if (SLang_Error) err_block = NULL; - } - else SLang_verror(SL_SYNTAX_ERROR, "No ERROR_BLOCK"); - if (Lang_Break_Condition) goto handle_break_condition; - break; - - case _SLANG_BC_X_USER0: - case _SLANG_BC_X_USER1: - case _SLANG_BC_X_USER2: - case _SLANG_BC_X_USER3: - case _SLANG_BC_X_USER4: - if (User_Block_Ptr[addr->bc_main_type - _SLANG_BC_X_USER0] != NULL) - { - inner_interp(User_Block_Ptr[addr->bc_main_type - _SLANG_BC_X_USER0]); - } - else SLang_verror(SL_SYNTAX_ERROR, "No block for X_USERBLOCK"); - if (Lang_Break_Condition) goto handle_break_condition; - break; - - case _SLANG_BC_CALL_DIRECT: - (*addr->b.call_function) (); - break; - - case _SLANG_BC_CALL_DIRECT_FRAME: - do_bc_call_direct_frame (addr->b.call_function); - break; - - case _SLANG_BC_UNARY: - do_unary (addr->b.i_blk, _SLANG_BC_UNARY); - break; - - case _SLANG_BC_UNARY_FUNC: - /* Make sure we treat these like function calls since the - * parser took abs(x) to be a function call. - */ - if (0 == _SL_increment_frame_pointer ()) - { - do_unary (addr->b.i_blk, _SLANG_BC_UNARY); - (void) _SL_decrement_frame_pointer (); - } - break; - - case _SLANG_BC_DEREF_ASSIGN: - set_deref_lvalue (addr); - break; - case _SLANG_BC_SET_LOCAL_LVALUE: - set_lvalue_obj (addr->bc_sub_type, Local_Variable_Frame - addr->b.i_blk); - break; - case _SLANG_BC_SET_GLOBAL_LVALUE: - if (-1 == set_lvalue_obj (addr->bc_sub_type, &addr->b.nt_gvar_blk->obj)) - do_name_type_error (addr->b.nt_blk); - break; - case _SLANG_BC_SET_INTRIN_LVALUE: - set_intrin_lvalue (addr); - break; - case _SLANG_BC_SET_STRUCT_LVALUE: - set_struct_lvalue (addr); - break; - - case _SLANG_BC_FIELD: - (void) push_struct_field (addr->b.s_blk); - break; - - case _SLANG_BC_SET_ARRAY_LVALUE: - set_array_lvalue (addr->bc_sub_type); - break; - -#if _SLANG_HAS_DEBUG_CODE - case _SLANG_BC_LINE_NUM: - break; -#endif - - case _SLANG_BC_TMP: - tmp_variable_function (addr); - break; - -#if _SLANG_OPTIMIZE_FOR_SPEED - case _SLANG_BC_LVARIABLE_AGET: - if (0 == push_local_variable (addr->b.i_blk)) - do_bc_call_direct_frame (_SLarray_aget); - break; - - case _SLANG_BC_LVARIABLE_APUT: - if (0 == push_local_variable (addr->b.i_blk)) - do_bc_call_direct_frame (_SLarray_aput); - break; - case _SLANG_BC_INTEGER_PLUS: - if (0 == SLclass_push_int_obj (addr->bc_sub_type, (int) addr->b.l_blk)) - do_binary (SLANG_PLUS); - break; - - case _SLANG_BC_INTEGER_MINUS: - if (0 == SLclass_push_int_obj (addr->bc_sub_type, (int) addr->b.l_blk)) - do_binary (SLANG_MINUS); - break; -#endif -#if 0 - case _SLANG_BC_ARG_LVARIABLE: - (void) SLang_start_arg_list (); - push_local_variable (addr->b.i_blk); - break; -#endif - case _SLANG_BC_EARG_LVARIABLE: - push_local_variable (addr->b.i_blk); - (void) SLang_end_arg_list (); - break; - -#if USE_COMBINED_BYTECODES - case _SLANG_BC_CALL_DIRECT_INTRINSIC: - (*addr->b.call_function) (); - addr++; - execute_intrinsic_fun (addr->b.nt_ifun_blk); - if (SLang_Error) - do_traceback(addr->b.nt_ifun_blk->name, 0, NULL); - break; - - case _SLANG_BC_INTRINSIC_CALL_DIRECT: - execute_intrinsic_fun (addr->b.nt_ifun_blk); - if (SLang_Error) - { - do_traceback(addr->b.nt_ifun_blk->name, 0, NULL); - break; - } - addr++; - (*addr->b.call_function) (); - break; - - case _SLANG_BC_CALL_DIRECT_LSTR: - (*addr->b.call_function) (); - addr++; - _SLang_dup_and_push_slstring (addr->b.s_blk); - break; - - case _SLANG_BC_CALL_DIRECT_SLFUN: - (*addr->b.call_function) (); - addr++; - execute_slang_fun (addr->b.nt_fun_blk); - if (Lang_Break_Condition) goto handle_break_condition; - break; - - case _SLANG_BC_CALL_DIRECT_INTRSTOP: - (*addr->b.call_function) (); - addr++; - /* drop */ - case _SLANG_BC_INTRINSIC_STOP: - execute_intrinsic_fun (addr->b.nt_ifun_blk); - if (SLang_Error == 0) - return 1; - do_traceback(addr->b.nt_ifun_blk->name, 0, NULL); - break; - - case _SLANG_BC_CALL_DIRECT_EARG_LVAR: - (*addr->b.call_function) (); - addr++; - push_local_variable (addr->b.i_blk); - (void) SLang_end_arg_list (); - break; - - case _SLANG_BC_CALL_DIRECT_LINT: - (*addr->b.call_function) (); - addr++; - SLclass_push_int_obj (addr->bc_sub_type, (int) addr->b.l_blk); - break; - - case _SLANG_BC_CALL_DIRECT_LVAR: - (*addr->b.call_function) (); - addr++; - push_local_variable (addr->b.i_blk); - break; -#endif /* USE_COMBINED_BYTECODES */ - - default: - SLang_verror (SL_INTERNAL_ERROR, "Byte-Code 0x%X is not valid", addr->bc_main_type); - } - - /* Someday I plan to add a 'signal' intrinsic function. Then when a - * signal is caught, a variable will be set to one and that value of - * that variable will need to be monitored here, e.g., - * if (Handle_Signal) handle_signal (); - * It would be nice to check only one variable instead of Handle_Signal - * and SLang_Error. Perhaps I should phase out SLang_Error = xxx - * and used something like: SLang_set_error (code); Then, I could - * use: - * if (Handle_Condition) - * { - * Handle_Condition = 0; - * if (SLang_Error) .... - * else if (Handle_Signal) handle_signal (); - * else.... - * } - */ - if (SLang_Error) - { - if (-1 == do_inner_interp_error (err_block, addr_start, addr)) - return 1; - if (SLang_Error) - return 1; - - /* Otherwise, error cleared. Continue onto next bytecode. - * Someday I need to add something to indicate where the - * next statement begins since continuing on the next - * bytecode is not really what is desired. - */ - if (Lang_Break_Condition) goto handle_break_condition; - } - addr++; - } - - handle_break_condition: - /* Get here if Lang_Break_Condition != 0, which implies that either - * Lang_Return, Lang_Break, or Lang_Continue is non zero - */ - if (Lang_Return) - Lang_Break = 1; - - return 1; -} - -/*}}}*/ - -/* The functions below this point are used to implement the parsed token - * to byte-compiled code. - */ -/* static SLang_Name_Type **Static_Hash_Table; */ - -static SLang_Name_Type **Locals_Hash_Table; -static int Local_Variable_Number; -static unsigned int Function_Args_Number; -int _SLang_Auto_Declare_Globals = 0; -int (*SLang_Auto_Declare_Var_Hook) (char *); - -static SLang_NameSpace_Type *This_Static_NameSpace; -static SLang_NameSpace_Type *Global_NameSpace; - -#if _SLANG_HAS_DEBUG_CODE -static char *This_Compile_Filename; -#endif -static SLBlock_Type SLShort_Blocks[6]; -/* These are initialized in add_table below. I cannot init a Union!! */ - -static int Lang_Defining_Function; -static void (*Default_Variable_Mode) (_SLang_Token_Type *); -static void (*Default_Define_Function) (char *, unsigned long); - -static int push_compile_context (char *); -static int pop_compile_context (void); - -typedef struct -{ - int block_type; - SLBlock_Type *block; /* beginning of block definition */ - SLBlock_Type *block_ptr; /* current location */ - SLBlock_Type *block_max; /* end of definition */ - SLang_NameSpace_Type *static_namespace; -} -Block_Context_Type; - -static Block_Context_Type Block_Context_Stack [SLANG_MAX_BLOCK_STACK_LEN]; -static unsigned int Block_Context_Stack_Len; - -static SLBlock_Type *Compile_ByteCode_Ptr; -static SLBlock_Type *This_Compile_Block; -static SLBlock_Type *This_Compile_Block_Max; -static int This_Compile_Block_Type; -#define COMPILE_BLOCK_TYPE_FUNCTION 1 -#define COMPILE_BLOCK_TYPE_BLOCK 2 -#define COMPILE_BLOCK_TYPE_TOP_LEVEL 3 - -/* If it returns 0, DO NOT FREE p */ -static int lang_free_branch (SLBlock_Type *p) -{ - /* Note: we look at 0,2,4, since these blocks are 0 terminated */ - if ((p == SLShort_Blocks) - || (p == SLShort_Blocks + 2) - || (p == SLShort_Blocks + 4) - ) - return 0; - - while (1) - { - SLang_Class_Type *cl; - - switch (p->bc_main_type) - { - case _SLANG_BC_BLOCK: - if (lang_free_branch(p->b.blk)) - SLfree((char *)p->b.blk); - break; - - case _SLANG_BC_LITERAL: - case _SLANG_BC_LITERAL_STR: - /* No user types should be here. */ - cl = _SLclass_get_class (p->bc_sub_type); - (*cl->cl_byte_code_destroy) (p->bc_sub_type, (VOID_STAR) &p->b.ptr_blk); - break; - - case _SLANG_BC_FIELD: - case _SLANG_BC_SET_STRUCT_LVALUE: - SLang_free_slstring (p->b.s_blk); - break; - - default: - break; - - case 0: - return 1; - } - p++; - } -} - -static void free_function_header (_SLBlock_Header_Type *h) -{ - if (h->num_refs > 1) - { - h->num_refs--; - return; - } - - if (h->body != NULL) - { - if (lang_free_branch (h->body)) - SLfree ((char *) h->body); - } - - SLfree ((char *) h); -} - -static int push_block_context (int type) -{ - Block_Context_Type *c; - unsigned int num; - SLBlock_Type *b; - - if (Block_Context_Stack_Len == SLANG_MAX_BLOCK_STACK_LEN) - { - SLang_verror (SL_STACK_OVERFLOW, "Block stack overflow"); - return -1; - } - - num = 5; /* 40 bytes */ - if (NULL == (b = (SLBlock_Type *) SLcalloc (num, sizeof (SLBlock_Type)))) - return -1; - - c = Block_Context_Stack + Block_Context_Stack_Len; - c->block = This_Compile_Block; - c->block_ptr = Compile_ByteCode_Ptr; - c->block_max = This_Compile_Block_Max; - c->block_type = This_Compile_Block_Type; - c->static_namespace = This_Static_NameSpace; - - Compile_ByteCode_Ptr = This_Compile_Block = b; - This_Compile_Block_Max = b + num; - This_Compile_Block_Type = type; - - Block_Context_Stack_Len += 1; - return 0; -} - -static int pop_block_context (void) -{ - Block_Context_Type *c; - - if (Block_Context_Stack_Len == 0) - return -1; - - Block_Context_Stack_Len -= 1; - c = Block_Context_Stack + Block_Context_Stack_Len; - - This_Compile_Block = c->block; - This_Compile_Block_Max = c->block_max; - This_Compile_Block_Type = c->block_type; - Compile_ByteCode_Ptr = c->block_ptr; - This_Static_NameSpace = c->static_namespace; - - return 0; -} - -int _SLcompile_push_context (SLang_Load_Type *load_object) -{ - if (-1 == push_compile_context (load_object->name)) - return -1; - - if (NULL == (This_Static_NameSpace = _SLns_allocate_namespace (load_object->name, SLSTATIC_HASH_TABLE_SIZE))) - { - pop_compile_context (); - return -1; - } - - if (-1 == push_block_context (COMPILE_BLOCK_TYPE_TOP_LEVEL)) - { - pop_compile_context (); - return -1; - } - - return 0; -} - -int _SLcompile_pop_context (void) -{ - if (This_Compile_Block_Type == COMPILE_BLOCK_TYPE_TOP_LEVEL) - { - Compile_ByteCode_Ptr->bc_main_type = 0; - if (lang_free_branch (This_Compile_Block)) - SLfree ((char *) This_Compile_Block); - } - - (void) pop_block_context (); - (void) pop_compile_context (); - - if (This_Compile_Block == NULL) - return 0; - -#if 0 - if (This_Compile_Block_Type != COMPILE_BLOCK_TYPE_TOP_LEVEL) - { - SLang_verror (SL_INTERNAL_ERROR, "Not at top-level"); - return -1; - } -#endif - - return 0; -} - -/*{{{ Hash and Name Table Functions */ - -static SLang_Name_Type *locate_name_in_table (char *name, unsigned long hash, - SLang_Name_Type **table, unsigned int table_size) -{ - SLang_Name_Type *t; - char ch; - - t = table [(unsigned int) (hash % table_size)]; - ch = *name++; - - while (t != NULL) - { - if ((ch == t->name[0]) - && (0 == strcmp (t->name + 1, name))) - break; - - t = t->next; - } - - return t; -} - -static SLang_Name_Type *locate_namespace_encoded_name (char *name, int err_on_bad_ns) -{ - char *ns, *ns1; - SLang_NameSpace_Type *table; - SLang_Name_Type *nt; - - ns = name; - name = strchr (name, '-'); - if ((name == NULL) || (name [1] != '>')) - name = ns; - - ns1 = SLang_create_nslstring (ns, (unsigned int) (name - ns)); - if (ns1 == NULL) - return NULL; - if (ns != name) - name += 2; - ns = ns1; - - if (*ns == 0) - { - /* Use Global Namespace */ - SLang_free_slstring (ns); - return locate_name_in_table (name, _SLcompute_string_hash (name), - Global_NameSpace->table, Global_NameSpace->table_size); - } - - if (NULL == (table = _SLns_find_namespace (ns))) - { - if (err_on_bad_ns) - SLang_verror (SL_SYNTAX_ERROR, "Unable to find namespace called %s", ns); - SLang_free_slstring (ns); - return NULL; - } - SLang_free_slstring (ns); - - /* FIXME: the hash table size should be stored in the hash table itself */ - nt = locate_name_in_table (name, _SLcompute_string_hash (name), - table->table, table->table_size); - if (nt == NULL) - return NULL; - - switch (nt->name_type) - { - /* These are private and cannot be accessed through the namespace. */ - case SLANG_PVARIABLE: - case SLANG_PFUNCTION: - return NULL; - } - return nt; -} - -static SLang_Name_Type *locate_hashed_name (char *name, unsigned long hash) -{ - SLang_Name_Type *t; - - if (Lang_Defining_Function) - { - t = locate_name_in_table (name, hash, Locals_Hash_Table, SLLOCALS_HASH_TABLE_SIZE); - if (t != NULL) - return t; - } - - if ((This_Static_NameSpace != NULL) - && (NULL != (t = locate_name_in_table (name, hash, This_Static_NameSpace->table, This_Static_NameSpace->table_size)))) - return t; - - t = locate_name_in_table (name, hash, Global_NameSpace->table, Global_NameSpace->table_size); - if (NULL != t) - return t; - - return locate_namespace_encoded_name (name, 1); -} - -SLang_Name_Type *_SLlocate_name (char *name) -{ - return locate_hashed_name (name, _SLcompute_string_hash (name)); -} - -static SLang_Name_Type * -add_name_to_hash_table (char *name, unsigned long hash, - unsigned int sizeof_obj, unsigned char name_type, - SLang_Name_Type **table, unsigned int table_size, - int check_existing) -{ - SLang_Name_Type *t; - - if (check_existing) - { - t = locate_name_in_table (name, hash, table, table_size); - if (t != NULL) - return t; - } - - if (-1 == _SLcheck_identifier_syntax (name)) - return NULL; - - t = (SLang_Name_Type *) SLmalloc (sizeof_obj); - if (t == NULL) - return t; - - memset ((char *) t, 0, sizeof_obj); - if (NULL == (t->name = _SLstring_dup_hashed_string (name, hash))) - { - SLfree ((char *) t); - return NULL; - } - t->name_type = name_type; - - hash = hash % table_size; - t->next = table [(unsigned int)hash]; - table [(unsigned int) hash] = t; - - return t; -} - -static SLang_Name_Type * -add_global_name (char *name, unsigned long hash, - unsigned char name_type, unsigned int sizeof_obj, - SLang_NameSpace_Type *ns) -{ - SLang_Name_Type *nt; - SLang_Name_Type **table; - unsigned int table_size; - - table = ns->table; - table_size = ns->table_size; - - nt = locate_name_in_table (name, hash, table, table_size); - if (nt != NULL) - { - if (nt->name_type == name_type) - return nt; - - SLang_verror (SL_DUPLICATE_DEFINITION, "%s cannot be re-defined", name); - return NULL; - } - - return add_name_to_hash_table (name, hash, sizeof_obj, name_type, - table, table_size, 0); -} - -static int add_intrinsic_function (SLang_NameSpace_Type *ns, - char *name, FVOID_STAR addr, unsigned char ret_type, - unsigned int nargs, va_list ap) -{ - SLang_Intrin_Fun_Type *f; - unsigned int i; - - if (-1 == init_interpreter ()) - return -1; - - if (ns == NULL) ns = Global_NameSpace; - - if (nargs > SLANG_MAX_INTRIN_ARGS) - { - SLang_verror (SL_APPLICATION_ERROR, "Function %s requires too many arguments", name); - return -1; - } - - if (ret_type == SLANG_FLOAT_TYPE) - { - SLang_verror (SL_NOT_IMPLEMENTED, "Function %s is not permitted to return float", name); - return -1; - } - - f = (SLang_Intrin_Fun_Type *) add_global_name (name, _SLcompute_string_hash (name), - SLANG_INTRINSIC, sizeof (SLang_Intrin_Fun_Type), - ns); - - if (f == NULL) - return -1; - - f->i_fun = addr; - f->num_args = nargs; - f->return_type = ret_type; - - for (i = 0; i < nargs; i++) - f->arg_types [i] = va_arg (ap, unsigned int); - - return 0; -} - -int SLadd_intrinsic_function (char *name, FVOID_STAR addr, unsigned char ret_type, - unsigned int nargs, ...) -{ - va_list ap; - int status; - - va_start (ap, nargs); - status = add_intrinsic_function (NULL, name, addr, ret_type, nargs, ap); - va_end (ap); - - return status; -} - -int SLns_add_intrinsic_function (SLang_NameSpace_Type *ns, - char *name, FVOID_STAR addr, unsigned char ret_type, - unsigned int nargs, ...) -{ - va_list ap; - int status; - - va_start (ap, nargs); - status = add_intrinsic_function (ns, name, addr, ret_type, nargs, ap); - va_end (ap); - - return status; -} - -int SLns_add_intrinsic_variable (SLang_NameSpace_Type *ns, - char *name, VOID_STAR addr, unsigned char data_type, int ro) -{ - SLang_Intrin_Var_Type *v; - - if (-1 == init_interpreter ()) - return -1; - - if (ns == NULL) ns = Global_NameSpace; - - v = (SLang_Intrin_Var_Type *)add_global_name (name, - _SLcompute_string_hash (name), - (ro ? SLANG_RVARIABLE : SLANG_IVARIABLE), - sizeof (SLang_Intrin_Var_Type), - ns); - if (v == NULL) - return -1; - - v->addr = addr; - v->type = data_type; - return 0; -} - -int SLadd_intrinsic_variable (char *name, VOID_STAR addr, unsigned char data_type, int ro) -{ - return SLns_add_intrinsic_variable (NULL, name, addr, data_type, ro); -} - -static int -add_slang_function (char *name, unsigned char type, unsigned long hash, - unsigned int num_args, unsigned int num_locals, -#if _SLANG_HAS_DEBUG_CODE - char *file, -#endif - _SLBlock_Header_Type *h, - SLang_NameSpace_Type *ns) -{ - _SLang_Function_Type *f; - -#if _SLANG_HAS_DEBUG_CODE - if ((file != NULL) - && (NULL == (file = SLang_create_slstring (file)))) - return -1; -#endif - - f = (_SLang_Function_Type *)add_global_name (name, hash, - type, - sizeof (_SLang_Function_Type), - ns); - if (f == NULL) - { -#if _SLANG_HAS_DEBUG_CODE - SLang_free_slstring (file); /* NULL ok */ -#endif - return -1; - } - - if (f->v.header != NULL) - { - if (f->nlocals == AUTOLOAD_NUM_LOCALS) - SLang_free_slstring ((char *)f->v.autoload_filename); /* autoloaded filename */ - else - free_function_header (f->v.header); - } - -#if _SLANG_HAS_DEBUG_CODE - if (f->file != NULL) SLang_free_slstring (f->file); - f->file = file; -#endif - f->v.header = h; - f->nlocals = num_locals; - f->nargs = num_args; - - return 0; -} - -int SLang_autoload (char *name, char *file) -{ - _SLang_Function_Type *f; - unsigned long hash; - - hash = _SLcompute_string_hash (name); - f = (_SLang_Function_Type *)locate_name_in_table (name, hash, Global_NameSpace->table, Global_NameSpace->table_size); - - if ((f != NULL) - && (f->name_type == SLANG_FUNCTION) - && (f->v.header != NULL) - && (f->nlocals != AUTOLOAD_NUM_LOCALS)) - { - /* already loaded */ - return 0; - } - - file = SLang_create_slstring (file); - if (-1 == add_slang_function (name, SLANG_FUNCTION, hash, 0, AUTOLOAD_NUM_LOCALS, -#if _SLANG_HAS_DEBUG_CODE - file, -#endif - (_SLBlock_Header_Type *) file, - Global_NameSpace)) - { - SLang_free_slstring (file); - return -1; - } - - return 0; -} - -SLang_Name_Type *_SLlocate_global_name (char *name) -{ - unsigned long hash; - - hash = _SLcompute_string_hash (name); - return locate_name_in_table (name, hash, Global_NameSpace->table, - Global_NameSpace->table_size); -} - -/*}}}*/ - -static void free_local_variable_table (void) -{ - unsigned int i; - SLang_Name_Type *t, *t1; - - for (i = 0; i < SLLOCALS_HASH_TABLE_SIZE; i++) - { - t = Locals_Hash_Table [i]; - while (t != NULL) - { - SLang_free_slstring (t->name); - t1 = t->next; - SLfree ((char *) t); - t = t1; - } - Locals_Hash_Table [i] = NULL; - } - Local_Variable_Number = 0; -} - -/* call inner interpreter or return for more */ -static void lang_try_now(void) -{ - Compile_ByteCode_Ptr++; - if (This_Compile_Block_Type != COMPILE_BLOCK_TYPE_TOP_LEVEL) - return; - - Compile_ByteCode_Ptr->bc_main_type = 0; /* so next command stops after this */ - - /* now do it */ - inner_interp (This_Compile_Block); - (void) lang_free_branch (This_Compile_Block); - Compile_ByteCode_Ptr = This_Compile_Block; -} - -SLang_Name_Type *SLang_get_fun_from_ref (SLang_Ref_Type *ref) -{ - if (ref->is_global) - { - SLang_Name_Type *nt = ref->v.nt; - - switch (nt->name_type) - { - case SLANG_PFUNCTION: - case SLANG_FUNCTION: - case SLANG_INTRINSIC: - case SLANG_MATH_UNARY: - case SLANG_APP_UNARY: - return nt; - } - SLang_verror (SL_TYPE_MISMATCH, - "Reference to a function expected. Found &%s", - nt->name); - } - - SLang_verror (SL_TYPE_MISMATCH, - "Reference to a function expected"); - return NULL; -} - -int SLexecute_function (SLang_Name_Type *nt) -{ - unsigned char type; - char *name; - - if (SLang_Error) - return -1; - - type = nt->name_type; - name = nt->name; - - switch (type) - { - case SLANG_PFUNCTION: - case SLANG_FUNCTION: - execute_slang_fun ((_SLang_Function_Type *) nt); - break; - - case SLANG_INTRINSIC: - execute_intrinsic_fun ((SLang_Intrin_Fun_Type *) nt); - break; - - case SLANG_MATH_UNARY: - case SLANG_APP_UNARY: - inner_interp_nametype (nt); - break; - - default: - SLang_verror (SL_TYPE_MISMATCH, "%s is not a function", name); - return -1; - } - - if (SLang_Error) - { - SLang_verror (SLang_Error, "Error while executing %s", name); - return -1; - } - - return 1; -} - -int SLang_execute_function (char *name) -{ - SLang_Name_Type *entry; - - if (NULL == (entry = SLang_get_function (name))) - return 0; - - return SLexecute_function (entry); -} - -/* return S-Lang function or NULL */ -SLang_Name_Type *SLang_get_function (char *name) -{ - SLang_Name_Type *entry; - - if (NULL == (entry = locate_namespace_encoded_name (name, 0))) - return NULL; - - if ((entry->name_type == SLANG_FUNCTION) - || (entry->name_type == SLANG_INTRINSIC)) - return entry; - - return NULL; -} - -static void lang_begin_function (void) -{ - if (This_Compile_Block_Type != COMPILE_BLOCK_TYPE_TOP_LEVEL) - { - SLang_verror (SL_SYNTAX_ERROR, "Function nesting is illegal"); - return; - } - Lang_Defining_Function = 1; - (void) push_block_context (COMPILE_BLOCK_TYPE_FUNCTION); -} - -#if USE_COMBINED_BYTECODES -static void optimize_block (SLBlock_Type *b) -{ - while (1) - { - switch (b->bc_main_type) - { - case 0: - return; - - default: - b++; - break; - - case _SLANG_BC_CALL_DIRECT: - b++; - switch (b->bc_main_type) - { - case 0: - return; - case _SLANG_BC_INTRINSIC: - if ((b+1)->bc_main_type == 0) - { - (b-1)->bc_main_type = _SLANG_BC_CALL_DIRECT_INTRSTOP; - return; - } - (b-1)->bc_main_type = _SLANG_BC_CALL_DIRECT_INTRINSIC; - b++; - break; - case _SLANG_BC_LITERAL_STR: - (b-1)->bc_main_type = _SLANG_BC_CALL_DIRECT_LSTR; - b++; - break; - case _SLANG_BC_FUNCTION: - case _SLANG_BC_PFUNCTION: - (b-1)->bc_main_type = _SLANG_BC_CALL_DIRECT_SLFUN; - b++; - break; - case _SLANG_BC_EARG_LVARIABLE: - (b-1)->bc_main_type = _SLANG_BC_CALL_DIRECT_EARG_LVAR; - b++; - break; - case _SLANG_BC_LITERAL_INT: - (b-1)->bc_main_type = _SLANG_BC_CALL_DIRECT_LINT; - b++; - break; - case _SLANG_BC_LVARIABLE: - (b-1)->bc_main_type = _SLANG_BC_CALL_DIRECT_LVAR; - b++; - break; - } - break; - - case _SLANG_BC_INTRINSIC: - b++; - switch (b->bc_main_type) - { - case _SLANG_BC_CALL_DIRECT: - (b-1)->bc_main_type = _SLANG_BC_INTRINSIC_CALL_DIRECT; - b++; - break; -#if 0 - case _SLANG_BC_BLOCK: - (b-1)->bc_main_type = _SLANG_BC_INTRINSIC_BLOCK; - b++; - break; -#endif - - case 0: - (b-1)->bc_main_type = _SLANG_BC_INTRINSIC_STOP; - return; - } - break; - } - } -} - -#endif - - -/* name will be NULL if the object is to simply terminate the function - * definition. See SLang_restart. - */ -static int lang_define_function (char *name, unsigned char type, unsigned long hash, - SLang_NameSpace_Type *ns) -{ - if (This_Compile_Block_Type != COMPILE_BLOCK_TYPE_FUNCTION) - { - SLang_verror (SL_SYNTAX_ERROR, "Premature end of function"); - return -1; - } - - /* terminate function */ - Compile_ByteCode_Ptr->bc_main_type = 0; - - if (name != NULL) - { - _SLBlock_Header_Type *h; - - h = (_SLBlock_Header_Type *)SLmalloc (sizeof (_SLBlock_Header_Type)); - if (h != NULL) - { - h->num_refs = 1; - h->body = This_Compile_Block; - -#if USE_COMBINED_BYTECODES - optimize_block (h->body); -#endif - - if (-1 == add_slang_function (name, type, hash, - Function_Args_Number, - Local_Variable_Number, -#if _SLANG_HAS_DEBUG_CODE - This_Compile_Filename, -#endif - h, ns)) - SLfree ((char *) h); - } - /* Drop through for clean-up */ - } - - free_local_variable_table (); - - Function_Args_Number = 0; - Lang_Defining_Function = 0; - - if (SLang_Error) return -1; - /* SLang_restart will finish this if there is a slang error. */ - - pop_block_context (); - - /* A function is only defined at top-level */ - if (This_Compile_Block_Type != COMPILE_BLOCK_TYPE_TOP_LEVEL) - { - SLang_verror (SL_INTERNAL_ERROR, "Not at top-level"); - return -1; - } - Compile_ByteCode_Ptr = This_Compile_Block; - return 0; -} - -static void define_static_function (char *name, unsigned long hash) -{ - (void) lang_define_function (name, SLANG_FUNCTION, hash, This_Static_NameSpace); -} - -static void define_private_function (char *name, unsigned long hash) -{ - (void) lang_define_function (name, SLANG_PFUNCTION, hash, This_Static_NameSpace); -} - -static void define_public_function (char *name, unsigned long hash) -{ - (void) lang_define_function (name, SLANG_FUNCTION, hash, Global_NameSpace); -} - -static void lang_end_block (void) -{ - SLBlock_Type *node, *branch; - unsigned char mtype; - - if (This_Compile_Block_Type != COMPILE_BLOCK_TYPE_BLOCK) - { - SLang_verror (SL_SYNTAX_ERROR, "Not defining a block"); - return; - } - - /* terminate the block */ - Compile_ByteCode_Ptr->bc_main_type = 0; - branch = This_Compile_Block; - - /* Try to save some space by using the cached blocks. */ - if (Compile_ByteCode_Ptr == branch + 1) - { - mtype = branch->bc_main_type; - if (((mtype == _SLANG_BC_BREAK) - || (mtype == _SLANG_BC_CONTINUE) - || (mtype == _SLANG_BC_RETURN)) - && (SLang_Error == 0)) - { - SLfree ((char *)branch); - branch = SLShort_Blocks + 2 * (int) (mtype - _SLANG_BC_RETURN); - } - } - -#if USE_COMBINED_BYTECODES - optimize_block (branch); -#endif - - pop_block_context (); - node = Compile_ByteCode_Ptr++; - - node->bc_main_type = _SLANG_BC_BLOCK; - node->bc_sub_type = 0; - node->b.blk = branch; -} - -static int lang_begin_block (void) -{ - return push_block_context (COMPILE_BLOCK_TYPE_BLOCK); -} - -static int lang_check_space (void) -{ - unsigned int n; - SLBlock_Type *p; - - if (NULL == (p = This_Compile_Block)) - { - SLang_verror (SL_INTERNAL_ERROR, "Top-level block not present"); - return -1; - } - - /* Allow 1 extra for terminator */ - if (Compile_ByteCode_Ptr + 1 < This_Compile_Block_Max) - return 0; - - n = (unsigned int) (This_Compile_Block_Max - p); - - /* enlarge the space by 2 objects */ - n += 2; - - if (NULL == (p = (SLBlock_Type *) SLrealloc((char *)p, n * sizeof(SLBlock_Type)))) - return -1; - - This_Compile_Block_Max = p + n; - n = (unsigned int) (Compile_ByteCode_Ptr - This_Compile_Block); - This_Compile_Block = p; - Compile_ByteCode_Ptr = p + n; - - return 0; -} - -/* returns positive number if name is a function or negative number if it - is a variable. If it is intrinsic, it returns magnitude of 1, else 2 */ -int SLang_is_defined(char *name) -{ - SLang_Name_Type *t; - - if (-1 == init_interpreter ()) - return -1; - - t = locate_namespace_encoded_name (name, 0); - if (t == NULL) - return 0; - - switch (t->name_type) - { - case SLANG_FUNCTION: - /* case SLANG_PFUNCTION: */ - return 2; - case SLANG_GVARIABLE: - /* case SLANG_PVARIABLE: */ - return -2; - - case SLANG_ICONSTANT: - case SLANG_DCONSTANT: - case SLANG_RVARIABLE: - case SLANG_IVARIABLE: - return -1; - - case SLANG_INTRINSIC: - default: - return 1; - } -} - -static int add_global_variable (char *name, char name_type, unsigned long hash, - SLang_NameSpace_Type *ns) -{ - SLang_Name_Type *g; - - /* Note the importance of checking if it is already defined or not. For example, - * suppose X is defined as an intrinsic variable. Then S-Lang code like: - * !if (is_defined("X")) { variable X; } - * will not result in a global variable X. On the other hand, this would - * not be an issue if 'variable' statements always were not processed - * immediately. That is, as it is now, 'if (0) {variable ZZZZ;}' will result - * in the variable ZZZZ being defined because of the immediate processing. - * The current solution is to do: if (0) { eval("variable ZZZZ;"); } - */ - /* hash = _SLcompute_string_hash (name); */ - g = locate_name_in_table (name, hash, ns->table, ns->table_size); - - if (g != NULL) - { - if (g->name_type == name_type) - return 0; - } - - if (NULL == add_global_name (name, hash, name_type, - sizeof (SLang_Global_Var_Type), ns)) - return -1; - - return 0; -} - -int SLadd_global_variable (char *name) -{ - if (-1 == init_interpreter ()) - return -1; - - return add_global_variable (name, SLANG_GVARIABLE, - _SLcompute_string_hash (name), - Global_NameSpace); -} - -static int add_local_variable (char *name, unsigned long hash) -{ - SLang_Local_Var_Type *t; - - /* local variable */ - if (Local_Variable_Number >= SLANG_MAX_LOCAL_VARIABLES) - { - SLang_verror (SL_SYNTAX_ERROR, "Too many local variables"); - return -1; - } - - if (NULL != locate_name_in_table (name, hash, Locals_Hash_Table, SLLOCALS_HASH_TABLE_SIZE)) - { - SLang_verror (SL_SYNTAX_ERROR, "Local variable %s has already been defined", name); - return -1; - } - - t = (SLang_Local_Var_Type *) - add_name_to_hash_table (name, hash, - sizeof (SLang_Local_Var_Type), SLANG_LVARIABLE, - Locals_Hash_Table, SLLOCALS_HASH_TABLE_SIZE, 0); - if (t == NULL) - return -1; - - t->local_var_number = Local_Variable_Number; - Local_Variable_Number++; - return 0; -} - -static void (*Compile_Mode_Function) (_SLang_Token_Type *); -static void compile_basic_token_mode (_SLang_Token_Type *); - -/* if an error occurs, discard current object, block, function, etc... */ -void SLang_restart (int localv) -{ - int save = SLang_Error; - - SLang_Error = SL_UNKNOWN_ERROR; - - _SLcompile_ptr = _SLcompile; - Compile_Mode_Function = compile_basic_token_mode; - - Lang_Break = /* Lang_Continue = */ Lang_Return = 0; - Trace_Mode = 0; - - while (This_Compile_Block_Type == COMPILE_BLOCK_TYPE_BLOCK) - lang_end_block(); - - if (This_Compile_Block_Type == COMPILE_BLOCK_TYPE_FUNCTION) - { - /* Terminate function definition and free variables */ - lang_define_function (NULL, SLANG_FUNCTION, 0, Global_NameSpace); - if (lang_free_branch (This_Compile_Block)) - SLfree((char *)This_Compile_Block); - } - Lang_Defining_Function = 0; - - SLang_Error = save; - - if (SLang_Error == SL_STACK_OVERFLOW) - { - /* This loop guarantees that the stack is properly cleaned. */ - while (_SLStack_Pointer != _SLRun_Stack) - { - SLdo_pop (); - } - } - - while ((This_Compile_Block_Type != COMPILE_BLOCK_TYPE_TOP_LEVEL) - && (0 == pop_block_context ())) - ; - - if (localv) - { - Next_Function_Num_Args = SLang_Num_Function_Args = 0; - Local_Variable_Frame = Local_Variable_Stack; - Recursion_Depth = 0; - Frame_Pointer = _SLStack_Pointer; - Frame_Pointer_Depth = 0; - Switch_Obj_Ptr = Switch_Objects; - while (Switch_Obj_Ptr < Switch_Obj_Max) - { - SLang_free_object (Switch_Obj_Ptr); - Switch_Obj_Ptr++; - } - Switch_Obj_Ptr = Switch_Objects; - } -} - -static void compile_directive (unsigned char sub_type) -{ - /* This function is called only from compile_directive_mode which is - * only possible when a block is available. - */ - - /* use BLOCK */ - Compile_ByteCode_Ptr--; - Compile_ByteCode_Ptr->bc_sub_type = sub_type; - - lang_try_now (); -} - -static void compile_unary (int op, unsigned char mt) -{ - Compile_ByteCode_Ptr->bc_main_type = mt; - Compile_ByteCode_Ptr->b.i_blk = op; - Compile_ByteCode_Ptr->bc_sub_type = 0; - - lang_try_now (); -} - - -static void compile_binary (int op) -{ - Compile_ByteCode_Ptr->bc_main_type = _SLANG_BC_BINARY; - Compile_ByteCode_Ptr->b.i_blk = op; - Compile_ByteCode_Ptr->bc_sub_type = 0; - - lang_try_now (); -} - -#if _SLANG_OPTIMIZE_FOR_SPEED -static int try_compressed_bytecode (unsigned char last_bc, unsigned char bc) -{ - if (Compile_ByteCode_Ptr != This_Compile_Block) - { - SLBlock_Type *b; - b = Compile_ByteCode_Ptr - 1; - if (b->bc_main_type == last_bc) - { - Compile_ByteCode_Ptr = b; - b->bc_main_type = bc; - lang_try_now (); - return 0; - } - } - return -1; -} -#endif - -static void compile_fast_binary (int op, unsigned char bc) -{ -#if _SLANG_OPTIMIZE_FOR_SPEED - if (0 == try_compressed_bytecode (_SLANG_BC_LITERAL_INT, bc)) - return; -#else - (void) bc; -#endif - compile_binary (op); -} - -/* This is a hack */ -typedef struct _Special_NameTable_Type -{ - char *name; - int (*fun) (struct _Special_NameTable_Type *, _SLang_Token_Type *); - VOID_STAR blk_data; - unsigned char main_type; -} -Special_NameTable_Type; - -static int handle_special (Special_NameTable_Type *nt, _SLang_Token_Type *tok) -{ - (void) tok; - Compile_ByteCode_Ptr->bc_main_type = nt->main_type; - Compile_ByteCode_Ptr->b.ptr_blk = nt->blk_data; - return 0; -} - -static int handle_special_file (Special_NameTable_Type *nt, _SLang_Token_Type *tok) -{ - char *name; - - (void) nt; (void) tok; - - if (This_Static_NameSpace == NULL) name = "***Unknown***"; - else - name = This_Static_NameSpace->name; - - name = SLang_create_slstring (name); - if (name == NULL) - return -1; - - Compile_ByteCode_Ptr->b.s_blk = name; - Compile_ByteCode_Ptr->bc_main_type = _SLANG_BC_LITERAL_STR; - Compile_ByteCode_Ptr->bc_sub_type = SLANG_STRING_TYPE; - return 0; -} - -static int handle_special_line (Special_NameTable_Type *nt, _SLang_Token_Type *tok) -{ - (void) nt; - -#if _SLANG_HAS_DEBUG_CODE - Compile_ByteCode_Ptr->b.l_blk = (long) tok->line_number; -#endif - Compile_ByteCode_Ptr->bc_main_type = _SLANG_BC_LITERAL; - Compile_ByteCode_Ptr->bc_sub_type = SLANG_UINT_TYPE; - - return 0; -} - -static Special_NameTable_Type Special_Name_Table [] = -{ - {"EXECUTE_ERROR_BLOCK", handle_special, NULL, _SLANG_BC_X_ERROR}, - {"X_USER_BLOCK0", handle_special, NULL, _SLANG_BC_X_USER0}, - {"X_USER_BLOCK1", handle_special, NULL, _SLANG_BC_X_USER1}, - {"X_USER_BLOCK2", handle_special, NULL, _SLANG_BC_X_USER2}, - {"X_USER_BLOCK3", handle_special, NULL, _SLANG_BC_X_USER3}, - {"X_USER_BLOCK4", handle_special, NULL, _SLANG_BC_X_USER4}, - {"__FILE__", handle_special_file, NULL, 0}, - {"__LINE__", handle_special_line, NULL, 0}, -#if 0 - {"__NAMESPACE__", handle_special_namespace, NULL, 0}, -#endif - {NULL, NULL, NULL, 0} -}; - -static void compile_hashed_identifier (char *name, unsigned long hash, _SLang_Token_Type *tok) -{ - SLang_Name_Type *entry; - unsigned char name_type; - - entry = locate_hashed_name (name, hash); - - if (entry == NULL) - { - Special_NameTable_Type *nt = Special_Name_Table; - - while (nt->name != NULL) - { - if (strcmp (name, nt->name)) - { - nt++; - continue; - } - - if (0 == (*nt->fun)(nt, tok)) - lang_try_now (); - return; - } - - SLang_verror (SL_UNDEFINED_NAME, "%s is undefined", name); - return; - } - - name_type = entry->name_type; - Compile_ByteCode_Ptr->bc_main_type = name_type; - - if (name_type == SLANG_LVARIABLE) - Compile_ByteCode_Ptr->b.i_blk = ((SLang_Local_Var_Type *) entry)->local_var_number; - else - Compile_ByteCode_Ptr->b.nt_blk = entry; - - lang_try_now (); -} - -static void compile_tmp_variable (char *name, unsigned long hash) -{ - SLang_Name_Type *entry; - unsigned char name_type; - - if (NULL == (entry = locate_hashed_name (name, hash))) - { - SLang_verror (SL_UNDEFINED_NAME, "%s is undefined", name); - return; - } - - name_type = entry->name_type; - switch (name_type) - { - case SLANG_LVARIABLE: - Compile_ByteCode_Ptr->b.i_blk = ((SLang_Local_Var_Type *) entry)->local_var_number; - break; - - case SLANG_GVARIABLE: - case SLANG_PVARIABLE: - Compile_ByteCode_Ptr->b.nt_blk = entry; - break; - - default: - SLang_verror (SL_SYNTAX_ERROR, "__tmp(%s) does not specifiy a variable", name); - return; - } - - Compile_ByteCode_Ptr->bc_main_type = _SLANG_BC_TMP; - Compile_ByteCode_Ptr->bc_sub_type = name_type; - - lang_try_now (); -} - -static void compile_simple (unsigned char main_type) -{ - Compile_ByteCode_Ptr->bc_main_type = main_type; - Compile_ByteCode_Ptr->bc_sub_type = 0; - Compile_ByteCode_Ptr->b.blk = NULL; - lang_try_now (); -} - -static void compile_identifier (char *name, _SLang_Token_Type *tok) -{ - compile_hashed_identifier (name, _SLcompute_string_hash (name), tok); -} - -static void compile_call_direct (int (*f) (void), unsigned char byte_code) -{ - Compile_ByteCode_Ptr->b.call_function = f; - Compile_ByteCode_Ptr->bc_main_type = byte_code; - Compile_ByteCode_Ptr->bc_sub_type = 0; - lang_try_now (); -} - -static void compile_lvar_call_direct (int (*f)(void), unsigned char bc, - unsigned char frame_op) -{ -#if _SLANG_OPTIMIZE_FOR_SPEED - if (0 == try_compressed_bytecode (_SLANG_BC_LVARIABLE, bc)) - return; -#else - (void) bc; -#endif - - compile_call_direct (f, frame_op); -} - -static void compile_integer (long i, unsigned char bc_main_type, unsigned char bc_sub_type) -{ - Compile_ByteCode_Ptr->b.l_blk = i; - Compile_ByteCode_Ptr->bc_main_type = bc_main_type; - Compile_ByteCode_Ptr->bc_sub_type = bc_sub_type; - - lang_try_now (); -} - -#if SLANG_HAS_FLOAT -static void compile_double (char *str, unsigned char type) -{ - double d; - unsigned int factor = 1; - double *ptr; - -#if 1 - d = _SLang_atof (str); -#else - if (1 != sscanf (str, "%lf", &d)) - { - SLang_verror (SL_SYNTAX_ERROR, "Unable to convert %s to double", str); - return; - } -#endif - -#if SLANG_HAS_COMPLEX - if (type == SLANG_COMPLEX_TYPE) factor = 2; -#endif - if (NULL == (ptr = (double *) SLmalloc(factor * sizeof(double)))) - return; - - Compile_ByteCode_Ptr->b.double_blk = ptr; -#if SLANG_HAS_COMPLEX - if (type == SLANG_COMPLEX_TYPE) - *ptr++ = 0; -#endif - *ptr = d; - - Compile_ByteCode_Ptr->bc_main_type = _SLANG_BC_LITERAL; - Compile_ByteCode_Ptr->bc_sub_type = type; - lang_try_now (); -} - -static void compile_float (char *s) -{ - float x; - -#if 1 - x = (float) _SLang_atof (s); -#else - if (1 != sscanf (s, "%f", &x)) - { - SLang_verror (SL_SYNTAX_ERROR, "Unable to convert %s to float", s); - return; - } -#endif - Compile_ByteCode_Ptr->b.float_blk = x; - Compile_ByteCode_Ptr->bc_main_type = _SLANG_BC_LITERAL; - Compile_ByteCode_Ptr->bc_sub_type = SLANG_FLOAT_TYPE; - lang_try_now (); -} - -#endif - -static void compile_string (char *s, unsigned long hash) -{ - if (NULL == (Compile_ByteCode_Ptr->b.s_blk = _SLstring_dup_hashed_string (s, hash))) - return; - - Compile_ByteCode_Ptr->bc_main_type = _SLANG_BC_LITERAL_STR; - Compile_ByteCode_Ptr->bc_sub_type = SLANG_STRING_TYPE; - - lang_try_now (); -} - -static void compile_bstring (SLang_BString_Type *s) -{ - if (NULL == (Compile_ByteCode_Ptr->b.bs_blk = SLbstring_dup (s))) - return; - - Compile_ByteCode_Ptr->bc_main_type = _SLANG_BC_LITERAL; - Compile_ByteCode_Ptr->bc_sub_type = SLANG_BSTRING_TYPE; - - lang_try_now (); -} - -/* assign_type is one of _SLANG_BCST_ASSIGN, ... values */ -static void compile_assign (unsigned char assign_type, - char *name, unsigned long hash) -{ - SLang_Name_Type *v; - unsigned char main_type; - SLang_Class_Type *cl; - - v = locate_hashed_name (name, hash); - if (v == NULL) - { - if ((_SLang_Auto_Declare_Globals == 0) - || (NULL != strchr (name, '-')) /* namespace->name form */ - || Lang_Defining_Function - || (assign_type != _SLANG_BCST_ASSIGN) - || (This_Static_NameSpace == NULL)) - { - SLang_verror (SL_UNDEFINED_NAME, "%s is undefined", name); - return; - } - /* Note that function local variables are not at top level */ - - /* Variables that are automatically declared are given static - * scope. - */ - if ((NULL != SLang_Auto_Declare_Var_Hook) - && (-1 == (*SLang_Auto_Declare_Var_Hook) (name))) - return; - - if ((-1 == add_global_variable (name, SLANG_GVARIABLE, hash, This_Static_NameSpace)) - || (NULL == (v = locate_hashed_name (name, hash)))) - return; - } - - switch (v->name_type) - { - case SLANG_LVARIABLE: - main_type = _SLANG_BC_SET_LOCAL_LVALUE; - Compile_ByteCode_Ptr->b.i_blk = ((SLang_Local_Var_Type *) v)->local_var_number; - break; - - case SLANG_GVARIABLE: - case SLANG_PVARIABLE: - main_type = _SLANG_BC_SET_GLOBAL_LVALUE; - Compile_ByteCode_Ptr->b.nt_blk = v; - break; - - case SLANG_IVARIABLE: - cl = _SLclass_get_class (((SLang_Intrin_Var_Type *)v)->type); - if (cl->cl_class_type != SLANG_CLASS_TYPE_SCALAR) - { - SLang_verror (SL_SYNTAX_ERROR, "Assignment to %s is not allowed", name); - return; - } - main_type = _SLANG_BC_SET_INTRIN_LVALUE; - Compile_ByteCode_Ptr->b.nt_blk = v; - break; - - case SLANG_RVARIABLE: - SLang_verror (SL_READONLY_ERROR, "%s is read-only", name); - return; - - default: - SLang_verror (SL_DUPLICATE_DEFINITION, "%s may not be used as an lvalue", name); - return; - } - - Compile_ByteCode_Ptr->bc_sub_type = assign_type; - Compile_ByteCode_Ptr->bc_main_type = main_type; - - lang_try_now (); -} - -static void compile_deref_assign (char *name, unsigned long hash) -{ - SLang_Name_Type *v; - - v = locate_hashed_name (name, hash); - - if (v == NULL) - { - SLang_verror (SL_UNDEFINED_NAME, "%s is undefined", name); - return; - } - - switch (v->name_type) - { - case SLANG_LVARIABLE: - Compile_ByteCode_Ptr->b.i_blk = ((SLang_Local_Var_Type *) v)->local_var_number; - break; - - case SLANG_GVARIABLE: - case SLANG_PVARIABLE: - Compile_ByteCode_Ptr->b.nt_blk = v; - break; - - default: - /* FIXME: Priority=low - * This could be made to work. It is not a priority because - * I cannot imagine application intrinsics which are references. - */ - SLang_verror (SL_NOT_IMPLEMENTED, "Deref assignment to %s is not allowed", name); - return; - } - - Compile_ByteCode_Ptr->bc_sub_type = v->name_type; - Compile_ByteCode_Ptr->bc_main_type = _SLANG_BC_DEREF_ASSIGN; - - lang_try_now (); -} - -static void -compile_struct_assign (_SLang_Token_Type *t) -{ - Compile_ByteCode_Ptr->bc_sub_type = _SLANG_BCST_ASSIGN + (t->type - _STRUCT_ASSIGN_TOKEN); - Compile_ByteCode_Ptr->bc_main_type = _SLANG_BC_SET_STRUCT_LVALUE; - Compile_ByteCode_Ptr->b.s_blk = _SLstring_dup_hashed_string (t->v.s_val, t->hash); - lang_try_now (); -} - -static void -compile_array_assign (_SLang_Token_Type *t) -{ - Compile_ByteCode_Ptr->bc_sub_type = _SLANG_BCST_ASSIGN + (t->type - _ARRAY_ASSIGN_TOKEN); - Compile_ByteCode_Ptr->bc_main_type = _SLANG_BC_SET_ARRAY_LVALUE; - Compile_ByteCode_Ptr->b.s_blk = NULL; - lang_try_now (); -} - -static void compile_dot(_SLang_Token_Type *t) -{ - Compile_ByteCode_Ptr->bc_main_type = _SLANG_BC_FIELD; - Compile_ByteCode_Ptr->b.s_blk = _SLstring_dup_hashed_string(t->v.s_val, t->hash); - lang_try_now (); -} - -static void compile_ref (char *name, unsigned long hash) -{ - SLang_Name_Type *entry; - unsigned char main_type; - - if (NULL == (entry = locate_hashed_name (name, hash))) - { - SLang_verror (SL_UNDEFINED_NAME, "%s is undefined", name); - return; - } - - main_type = entry->name_type; - - if (main_type == SLANG_LVARIABLE) - { - main_type = _SLANG_BC_LOBJPTR; - Compile_ByteCode_Ptr->b.i_blk = ((SLang_Local_Var_Type *)entry)->local_var_number; - } - else - { - main_type = _SLANG_BC_GOBJPTR; - Compile_ByteCode_Ptr->b.nt_blk = entry; - } - - Compile_ByteCode_Ptr->bc_main_type = main_type; - lang_try_now (); -} - -static void compile_break (unsigned char break_type, - int requires_block, int requires_fun, - char *str) -{ - if ((requires_fun - && (Lang_Defining_Function == 0)) - || (requires_block - && (This_Compile_Block_Type != COMPILE_BLOCK_TYPE_BLOCK))) - { - SLang_verror (SL_SYNTAX_ERROR, "misplaced %s", str); - return; - } - - Compile_ByteCode_Ptr->bc_main_type = break_type; - Compile_ByteCode_Ptr->bc_sub_type = 0; - - lang_try_now (); -} - -static void compile_public_variable_mode (_SLang_Token_Type *t) -{ - if (t->type == IDENT_TOKEN) - { - /* If the variable is already defined in the static hash table, - * generate an error. - */ - if ((This_Static_NameSpace != NULL) - && (NULL != locate_name_in_table (t->v.s_val, t->hash, This_Static_NameSpace->table, This_Static_NameSpace->table_size))) - { - SLang_verror (SL_DUPLICATE_DEFINITION, - "%s already has static or private linkage in this unit", - t->v.s_val); - return; - } - add_global_variable (t->v.s_val, SLANG_GVARIABLE, t->hash, Global_NameSpace); - } - else if (t->type == CBRACKET_TOKEN) - Compile_Mode_Function = compile_basic_token_mode; - else - SLang_verror (SL_SYNTAX_ERROR, "Misplaced token in variable list"); -} - -static void compile_local_variable_mode (_SLang_Token_Type *t) -{ - if (t->type == IDENT_TOKEN) - add_local_variable (t->v.s_val, t->hash); - else if (t->type == CBRACKET_TOKEN) - Compile_Mode_Function = compile_basic_token_mode; - else - SLang_verror (SL_SYNTAX_ERROR, "Misplaced token in variable list"); -} - -static void compile_static_variable_mode (_SLang_Token_Type *t) -{ - if (t->type == IDENT_TOKEN) - add_global_variable (t->v.s_val, SLANG_GVARIABLE, t->hash, This_Static_NameSpace); - else if (t->type == CBRACKET_TOKEN) - Compile_Mode_Function = compile_basic_token_mode; - else - SLang_verror (SL_SYNTAX_ERROR, "Misplaced token in variable list"); -} - -static void compile_private_variable_mode (_SLang_Token_Type *t) -{ - if (t->type == IDENT_TOKEN) - add_global_variable (t->v.s_val, SLANG_PVARIABLE, t->hash, This_Static_NameSpace); - else if (t->type == CBRACKET_TOKEN) - Compile_Mode_Function = compile_basic_token_mode; - else - SLang_verror (SL_SYNTAX_ERROR, "Misplaced token in variable list"); -} - -static void compile_function_mode (_SLang_Token_Type *t) -{ - if (-1 == lang_check_space ()) - return; - - if (t->type != IDENT_TOKEN) - SLang_verror (SL_SYNTAX_ERROR, "Expecting function name"); - else - lang_define_function (t->v.s_val, SLANG_FUNCTION, t->hash, Global_NameSpace); - - Compile_Mode_Function = compile_basic_token_mode; -} - -/* An error block is not permitted to contain continue or break statements. - * This restriction may be removed later but for now reject them. - */ -static int check_error_block (void) -{ - SLBlock_Type *p; - unsigned char t; - - /* Back up to the block and then scan it. */ - p = (Compile_ByteCode_Ptr - 1)->b.blk; - - while (0 != (t = p->bc_main_type)) - { - if ((t == _SLANG_BC_BREAK) - || (t == _SLANG_BC_CONTINUE)) - { - SLang_verror (SL_SYNTAX_ERROR, - "An ERROR_BLOCK is not permitted to contain continue or break statements"); - return -1; - } - p++; - } - return 0; -} - -/* The only allowed tokens are the directives and another block start. - * The mode is only active if a block is available. The inner_interp routine - * expects such safety checks. - */ -static void compile_directive_mode (_SLang_Token_Type *t) -{ - int bc_sub_type; - - if (-1 == lang_check_space ()) - return; - - bc_sub_type = -1; - - switch (t->type) - { - case FOREVER_TOKEN: - bc_sub_type = _SLANG_BCST_FOREVER; - break; - - case IFNOT_TOKEN: - bc_sub_type = _SLANG_BCST_IFNOT; - break; - - case IF_TOKEN: - bc_sub_type = _SLANG_BCST_IF; - break; - - case ANDELSE_TOKEN: - bc_sub_type = _SLANG_BCST_ANDELSE; - break; - - case SWITCH_TOKEN: - bc_sub_type = _SLANG_BCST_SWITCH; - break; - - case EXITBLK_TOKEN: - if (Lang_Defining_Function == 0) - { - SLang_verror (SL_SYNTAX_ERROR, "misplaced EXIT_BLOCK"); - break; - } - bc_sub_type = _SLANG_BCST_EXIT_BLOCK; - break; - - case ERRBLK_TOKEN: - if (This_Compile_Block_Type == COMPILE_BLOCK_TYPE_TOP_LEVEL) - { - SLang_verror (SL_SYNTAX_ERROR, "misplaced ERROR_BLOCK"); - break; - } - if (0 == check_error_block ()) - bc_sub_type = _SLANG_BCST_ERROR_BLOCK; - break; - - case USRBLK0_TOKEN: - case USRBLK1_TOKEN: - case USRBLK2_TOKEN: - case USRBLK3_TOKEN: - case USRBLK4_TOKEN: - if (This_Compile_Block_Type == COMPILE_BLOCK_TYPE_TOP_LEVEL) - { - SLang_verror (SL_SYNTAX_ERROR, "misplaced USER_BLOCK"); - break; - } - bc_sub_type = _SLANG_BCST_USER_BLOCK0 + (t->type - USRBLK0_TOKEN); - break; - - case NOTELSE_TOKEN: - bc_sub_type = _SLANG_BCST_NOTELSE; - break; - - case ELSE_TOKEN: - bc_sub_type = _SLANG_BCST_ELSE; - break; - - case LOOP_TOKEN: - bc_sub_type = _SLANG_BCST_LOOP; - break; - - case DOWHILE_TOKEN: - bc_sub_type = _SLANG_BCST_DOWHILE; - break; - - case WHILE_TOKEN: - bc_sub_type = _SLANG_BCST_WHILE; - break; - - case ORELSE_TOKEN: - bc_sub_type = _SLANG_BCST_ORELSE; - break; - - case _FOR_TOKEN: - bc_sub_type = _SLANG_BCST_FOR; - break; - - case FOR_TOKEN: - bc_sub_type = _SLANG_BCST_CFOR; - break; - - case FOREACH_TOKEN: - bc_sub_type = _SLANG_BCST_FOREACH; - break; - - case OBRACE_TOKEN: - lang_begin_block (); - break; - - default: - SLang_verror (SL_SYNTAX_ERROR, "Expecting directive token. Found 0x%X", t->type); - break; - } - - /* Reset this pointer first because compile_directive may cause a - * file to be loaded. - */ - Compile_Mode_Function = compile_basic_token_mode; - - if (bc_sub_type != -1) - compile_directive (bc_sub_type); -} - -static unsigned int Assign_Mode_Type; -static void compile_assign_mode (_SLang_Token_Type *t) -{ - if (t->type != IDENT_TOKEN) - { - SLang_verror (SL_SYNTAX_ERROR, "Expecting identifier for assignment"); - return; - } - - compile_assign (Assign_Mode_Type, t->v.s_val, t->hash); - Compile_Mode_Function = compile_basic_token_mode; -} - -static void compile_basic_token_mode (_SLang_Token_Type *t) -{ - if (-1 == lang_check_space ()) - return; - - switch (t->type) - { - case PUSH_TOKEN: - case NOP_TOKEN: - case EOF_TOKEN: - case READONLY_TOKEN: - case DO_TOKEN: - case VARIABLE_TOKEN: - case SEMICOLON_TOKEN: - default: - SLang_verror (SL_SYNTAX_ERROR, "Unknown or unsupported token type 0x%X", t->type); - break; - - case DEREF_TOKEN: - compile_call_direct (dereference_object, _SLANG_BC_CALL_DIRECT); - break; - - case STRUCT_TOKEN: - compile_call_direct (_SLstruct_define_struct, _SLANG_BC_CALL_DIRECT); - break; - - case TYPEDEF_TOKEN: - compile_call_direct (_SLstruct_define_typedef, _SLANG_BC_CALL_DIRECT); - break; - - case TMP_TOKEN: - compile_tmp_variable (t->v.s_val, t->hash); - break; - - case DOT_TOKEN: /* X . field */ - compile_dot (t); - break; - - case COMMA_TOKEN: - break; /* do nothing */ - - case IDENT_TOKEN: - compile_hashed_identifier (t->v.s_val, t->hash, t); - break; - - case _REF_TOKEN: - compile_ref (t->v.s_val, t->hash); - break; - - case ARG_TOKEN: - compile_call_direct (SLang_start_arg_list, _SLANG_BC_CALL_DIRECT); - break; - - case EARG_TOKEN: - compile_lvar_call_direct (SLang_end_arg_list, _SLANG_BC_EARG_LVARIABLE, _SLANG_BC_CALL_DIRECT); - break; - - case COLON_TOKEN: - if (This_Compile_Block_Type == COMPILE_BLOCK_TYPE_BLOCK) - compile_simple (_SLANG_BC_LABEL); - else SLang_Error = SL_SYNTAX_ERROR; - break; - - case POP_TOKEN: - compile_call_direct (SLdo_pop, _SLANG_BC_CALL_DIRECT); - break; - - case CASE_TOKEN: - if (This_Compile_Block_Type != COMPILE_BLOCK_TYPE_BLOCK) - SLang_verror (SL_SYNTAX_ERROR, "Misplaced 'case'"); - else - compile_call_direct (case_function, _SLANG_BC_CALL_DIRECT); - break; - - case CHAR_TOKEN: - compile_integer (t->v.long_val, _SLANG_BC_LITERAL, SLANG_CHAR_TYPE); - break; - case SHORT_TOKEN: - compile_integer (t->v.long_val, _SLANG_BC_LITERAL, SLANG_SHORT_TYPE); - break; - case INT_TOKEN: - compile_integer (t->v.long_val, _SLANG_BC_LITERAL_INT, SLANG_INT_TYPE); - break; - case UCHAR_TOKEN: - compile_integer (t->v.long_val, _SLANG_BC_LITERAL, SLANG_UCHAR_TYPE); - break; - case USHORT_TOKEN: - compile_integer (t->v.long_val, _SLANG_BC_LITERAL, SLANG_USHORT_TYPE); - break; - case UINT_TOKEN: - compile_integer (t->v.long_val, _SLANG_BC_LITERAL_INT, SLANG_UINT_TYPE); - break; - case LONG_TOKEN: - compile_integer (t->v.long_val, _SLANG_BC_LITERAL, SLANG_LONG_TYPE); - break; - case ULONG_TOKEN: - compile_integer (t->v.long_val, _SLANG_BC_LITERAL, SLANG_ULONG_TYPE); - break; - -#if SLANG_HAS_FLOAT - case FLOAT_TOKEN: - compile_float (t->v.s_val); - break; - - case DOUBLE_TOKEN: - compile_double (t->v.s_val, SLANG_DOUBLE_TYPE); - break; -#endif -#if SLANG_HAS_COMPLEX - case COMPLEX_TOKEN: - compile_double (t->v.s_val, SLANG_COMPLEX_TYPE); - break; -#endif - - case STRING_TOKEN: - compile_string (t->v.s_val, t->hash); - break; - - case _BSTRING_TOKEN: - compile_bstring (SLbstring_create ((unsigned char *)t->v.s_val, (unsigned int) t->hash)); - break; - - case BSTRING_TOKEN: - compile_bstring (t->v.b_val); - break; - - case _NULL_TOKEN: - compile_identifier ("NULL", t); - break; - - case _INLINE_WILDCARD_ARRAY_TOKEN: - compile_call_direct (_SLarray_wildcard_array, _SLANG_BC_CALL_DIRECT); - break; - - case _INLINE_ARRAY_TOKEN: - compile_call_direct (_SLarray_inline_array, _SLANG_BC_CALL_DIRECT_FRAME); - break; - - case _INLINE_IMPLICIT_ARRAY_TOKEN: - compile_call_direct (_SLarray_inline_implicit_array, _SLANG_BC_CALL_DIRECT_FRAME); - break; - - case ARRAY_TOKEN: - compile_lvar_call_direct (_SLarray_aget, _SLANG_BC_LVARIABLE_AGET, _SLANG_BC_CALL_DIRECT_FRAME); - break; - - /* Note: I need to add the other _ARRAY assign tokens. */ - case _ARRAY_PLUSEQS_TOKEN: - case _ARRAY_MINUSEQS_TOKEN: - case _ARRAY_TIMESEQS_TOKEN: - case _ARRAY_DIVEQS_TOKEN: - case _ARRAY_BOREQS_TOKEN: - case _ARRAY_BANDEQS_TOKEN: - case _ARRAY_POST_MINUSMINUS_TOKEN: - case _ARRAY_MINUSMINUS_TOKEN: - case _ARRAY_POST_PLUSPLUS_TOKEN: - case _ARRAY_PLUSPLUS_TOKEN: - compile_array_assign (t); - break; - - case _ARRAY_ASSIGN_TOKEN: - compile_lvar_call_direct (_SLarray_aput, _SLANG_BC_LVARIABLE_APUT, _SLANG_BC_CALL_DIRECT_FRAME); - break; - - case _STRUCT_ASSIGN_TOKEN: - case _STRUCT_PLUSEQS_TOKEN: - case _STRUCT_MINUSEQS_TOKEN: - case _STRUCT_TIMESEQS_TOKEN: - case _STRUCT_DIVEQS_TOKEN: - case _STRUCT_BOREQS_TOKEN: - case _STRUCT_BANDEQS_TOKEN: - case _STRUCT_POST_MINUSMINUS_TOKEN: - case _STRUCT_MINUSMINUS_TOKEN: - case _STRUCT_POST_PLUSPLUS_TOKEN: - case _STRUCT_PLUSPLUS_TOKEN: - compile_struct_assign (t); - break; - - case _SCALAR_ASSIGN_TOKEN: - case _SCALAR_PLUSEQS_TOKEN: - case _SCALAR_MINUSEQS_TOKEN: - case _SCALAR_TIMESEQS_TOKEN: - case _SCALAR_DIVEQS_TOKEN: - case _SCALAR_BOREQS_TOKEN: - case _SCALAR_BANDEQS_TOKEN: - case _SCALAR_POST_MINUSMINUS_TOKEN: - case _SCALAR_MINUSMINUS_TOKEN: - case _SCALAR_POST_PLUSPLUS_TOKEN: - case _SCALAR_PLUSPLUS_TOKEN: - compile_assign (_SLANG_BCST_ASSIGN + (t->type - _SCALAR_ASSIGN_TOKEN), - t->v.s_val, t->hash); - break; - - case _DEREF_ASSIGN_TOKEN: - compile_deref_assign (t->v.s_val, t->hash); - break; - - /* For processing RPN tokens */ - case ASSIGN_TOKEN: - case PLUSEQS_TOKEN: - case MINUSEQS_TOKEN: - case TIMESEQS_TOKEN: - case DIVEQS_TOKEN: - case BOREQS_TOKEN: - case BANDEQS_TOKEN: - case POST_MINUSMINUS_TOKEN: - case MINUSMINUS_TOKEN: - case POST_PLUSPLUS_TOKEN: - case PLUSPLUS_TOKEN: - Compile_Mode_Function = compile_assign_mode; - Assign_Mode_Type = _SLANG_BCST_ASSIGN + (t->type - ASSIGN_TOKEN); - break; - - case LT_TOKEN: - compile_binary (SLANG_LT); - break; - - case LE_TOKEN: - compile_binary (SLANG_LE); - break; - - case GT_TOKEN: - compile_binary (SLANG_GT); - break; - - case GE_TOKEN: - compile_binary (SLANG_GE); - break; - - case EQ_TOKEN: - compile_binary (SLANG_EQ); - break; - - case NE_TOKEN: - compile_binary (SLANG_NE); - break; - - case AND_TOKEN: - compile_binary (SLANG_AND); - break; - - case ADD_TOKEN: - compile_fast_binary (SLANG_PLUS, _SLANG_BC_INTEGER_PLUS); - break; - - case SUB_TOKEN: - compile_fast_binary (SLANG_MINUS, _SLANG_BC_INTEGER_MINUS); - break; - - case TIMES_TOKEN: - compile_binary (SLANG_TIMES); - break; - - case DIV_TOKEN: - compile_binary (SLANG_DIVIDE); - break; - - case POW_TOKEN: - compile_binary (SLANG_POW); - break; - - case BXOR_TOKEN: - compile_binary (SLANG_BXOR); - break; - - case BAND_TOKEN: - compile_binary (SLANG_BAND); - break; - - case BOR_TOKEN: - compile_binary (SLANG_BOR); - break; - - case SHR_TOKEN: - compile_binary (SLANG_SHR); - break; - - case SHL_TOKEN: - compile_binary (SLANG_SHL); - break; - - case MOD_TOKEN: - compile_binary (SLANG_MOD); - break; - - case OR_TOKEN: - compile_binary (SLANG_OR); - break; - - case NOT_TOKEN: - compile_unary (SLANG_NOT, _SLANG_BC_UNARY); - break; - - case BNOT_TOKEN: - compile_unary (SLANG_BNOT, _SLANG_BC_UNARY); - break; - - case MUL2_TOKEN: - compile_unary (SLANG_MUL2, _SLANG_BC_UNARY_FUNC); - break; - - case CHS_TOKEN: - compile_unary (SLANG_CHS, _SLANG_BC_UNARY_FUNC); - break; - - case ABS_TOKEN: - compile_unary (SLANG_ABS, _SLANG_BC_UNARY_FUNC); - break; - - case SQR_TOKEN: - compile_unary (SLANG_SQR, _SLANG_BC_UNARY_FUNC); - break; - - case SIGN_TOKEN: - compile_unary (SLANG_SIGN, _SLANG_BC_UNARY_FUNC); - break; - - case BREAK_TOKEN: - compile_break (_SLANG_BC_BREAK, 1, 0, "break"); - break; - - case RETURN_TOKEN: - compile_break (_SLANG_BC_RETURN, 0, 1, "return"); - break; - - case CONT_TOKEN: - compile_break (_SLANG_BC_CONTINUE, 1, 0, "continue"); - break; - - case EXCH_TOKEN: - compile_break (_SLANG_BC_EXCH, 0, 0, ""); /* FIXME: Priority=low */ - break; - - case STATIC_TOKEN: - if (Lang_Defining_Function == 0) - Compile_Mode_Function = compile_static_variable_mode; - else - SLang_verror (SL_NOT_IMPLEMENTED, "static variables not permitted in functions"); - break; - - case PRIVATE_TOKEN: - if (Lang_Defining_Function == 0) - Compile_Mode_Function = compile_private_variable_mode; - else - SLang_verror (SL_NOT_IMPLEMENTED, "private variables not permitted in functions"); - break; - - case PUBLIC_TOKEN: - if (Lang_Defining_Function == 0) - Compile_Mode_Function = compile_public_variable_mode; - else - SLang_verror (SL_NOT_IMPLEMENTED, "public variables not permitted in functions"); - break; - - case OBRACKET_TOKEN: - if (Lang_Defining_Function == 0) - Compile_Mode_Function = Default_Variable_Mode; - else - Compile_Mode_Function = compile_local_variable_mode; - break; - - case OPAREN_TOKEN: - lang_begin_function (); - break; - - case DEFINE_STATIC_TOKEN: - if (Lang_Defining_Function) - define_static_function (t->v.s_val, t->hash); - else SLang_Error = SL_SYNTAX_ERROR; - break; - - case DEFINE_PRIVATE_TOKEN: - if (Lang_Defining_Function) - define_private_function (t->v.s_val, t->hash); - else SLang_Error = SL_SYNTAX_ERROR; - break; - - case DEFINE_PUBLIC_TOKEN: - if (Lang_Defining_Function) - define_public_function (t->v.s_val, t->hash); - else SLang_Error = SL_SYNTAX_ERROR; - break; - - case DEFINE_TOKEN: - if (Lang_Defining_Function) - (*Default_Define_Function) (t->v.s_val, t->hash); - else - SLang_Error = SL_SYNTAX_ERROR; - break; - - case CPAREN_TOKEN: - if (Lang_Defining_Function) - Compile_Mode_Function = compile_function_mode; - else SLang_Error = SL_SYNTAX_ERROR; - break; - - case CBRACE_TOKEN: - lang_end_block (); - Compile_Mode_Function = compile_directive_mode; - break; - - case OBRACE_TOKEN: - lang_begin_block (); - break; - - case FARG_TOKEN: - Function_Args_Number = Local_Variable_Number; - break; - -#if _SLANG_HAS_DEBUG_CODE - case LINE_NUM_TOKEN: - Compile_ByteCode_Ptr->bc_main_type = _SLANG_BC_LINE_NUM; - Compile_ByteCode_Ptr->b.l_blk = t->v.long_val; - lang_try_now (); - break; -#endif - case POUND_TOKEN: - compile_call_direct (_SLarray_matrix_multiply, _SLANG_BC_CALL_DIRECT); - break; - } -} - -void _SLcompile (_SLang_Token_Type *t) -{ - if (SLang_Error == 0) - { - if (Compile_Mode_Function != compile_basic_token_mode) - { - if (Compile_Mode_Function == NULL) - Compile_Mode_Function = compile_basic_token_mode; -#if _SLANG_HAS_DEBUG_CODE - if (t->type == LINE_NUM_TOKEN) - { - compile_basic_token_mode (t); - return; - } -#endif - } - - (*Compile_Mode_Function) (t); - } - - if (SLang_Error) - { - Compile_Mode_Function = compile_basic_token_mode; - SLang_restart (0); - } -} - -void (*_SLcompile_ptr)(_SLang_Token_Type *) = _SLcompile; - -typedef struct _Compile_Context_Type -{ - struct _Compile_Context_Type *next; - SLang_NameSpace_Type *static_namespace; - void (*compile_variable_mode) (_SLang_Token_Type *); - void (*define_function) (char *, unsigned long); - int lang_defining_function; - int local_variable_number; - unsigned int function_args_number; - SLang_Name_Type **locals_hash_table; - void (*compile_mode_function)(_SLang_Token_Type *); -#if _SLANG_HAS_DEBUG_CODE - char *compile_filename; -#endif -} -Compile_Context_Type; - -static Compile_Context_Type *Compile_Context_Stack; - -/* The only way the push/pop_context functions can get called is via - * an eval type function. That can only happen when executed from a - * top level block. This means that Compile_ByteCode_Ptr can always be - * rest back to the beginning of a block. - */ - -static int pop_compile_context (void) -{ - Compile_Context_Type *cc; - - if (NULL == (cc = Compile_Context_Stack)) - return -1; - - This_Static_NameSpace = cc->static_namespace; - Compile_Context_Stack = cc->next; - Default_Variable_Mode = cc->compile_variable_mode; - Default_Define_Function = cc->define_function; - Compile_Mode_Function = cc->compile_mode_function; - - Lang_Defining_Function = cc->lang_defining_function; - Local_Variable_Number = cc->local_variable_number; - Function_Args_Number = cc->function_args_number; - -#if _SLANG_HAS_DEBUG_CODE - SLang_free_slstring (This_Compile_Filename); - This_Compile_Filename = cc->compile_filename; -#endif - - SLfree ((char *) Locals_Hash_Table); - Locals_Hash_Table = cc->locals_hash_table; - - SLfree ((char *) cc); - - return 0; -} - -static int push_compile_context (char *name) -{ - Compile_Context_Type *cc; - SLang_Name_Type **lns; - - cc = (Compile_Context_Type *)SLmalloc (sizeof (Compile_Context_Type)); - if (cc == NULL) - return -1; - memset ((char *) cc, 0, sizeof (Compile_Context_Type)); - - lns = (SLang_Name_Type **) SLcalloc (sizeof (SLang_Name_Type *), SLLOCALS_HASH_TABLE_SIZE); - if (lns == NULL) - { - SLfree ((char *) cc); - return -1; - } - -#if _SLANG_HAS_DEBUG_CODE - if ((name != NULL) - && (NULL == (name = SLang_create_slstring (name)))) - { - SLfree ((char *) cc); - SLfree ((char *) lns); - return -1; - } - - cc->compile_filename = This_Compile_Filename; - This_Compile_Filename = name; -#endif - - cc->static_namespace = This_Static_NameSpace; - cc->compile_variable_mode = Default_Variable_Mode; - cc->define_function = Default_Define_Function; - cc->locals_hash_table = Locals_Hash_Table; - - cc->lang_defining_function = Lang_Defining_Function; - cc->local_variable_number = Local_Variable_Number; - cc->function_args_number = Function_Args_Number; - cc->locals_hash_table = Locals_Hash_Table; - cc->compile_mode_function = Compile_Mode_Function; - - cc->next = Compile_Context_Stack; - Compile_Context_Stack = cc; - - Compile_Mode_Function = compile_basic_token_mode; - Default_Variable_Mode = compile_public_variable_mode; - Default_Define_Function = define_public_function; - Lang_Defining_Function = 0; - Local_Variable_Number = 0; - Function_Args_Number = 0; - Locals_Hash_Table = lns; - return 0; -} - -static int init_interpreter (void) -{ - SLang_NameSpace_Type *ns; - - if (Global_NameSpace != NULL) - return 0; - - if (NULL == (ns = _SLns_allocate_namespace ("***GLOBAL***", SLGLOBALS_HASH_TABLE_SIZE))) - return -1; - if (-1 == _SLns_set_namespace_name (ns, "Global")) - return -1; - Global_NameSpace = ns; - - _SLRun_Stack = (SLang_Object_Type *) SLcalloc (SLANG_MAX_STACK_LEN, - sizeof (SLang_Object_Type)); - if (_SLRun_Stack == NULL) - return -1; - - _SLStack_Pointer = _SLRun_Stack; - _SLStack_Pointer_Max = _SLRun_Stack + SLANG_MAX_STACK_LEN; - - SLShort_Blocks[0].bc_main_type = _SLANG_BC_RETURN; - SLShort_Blocks[2].bc_main_type = _SLANG_BC_BREAK; - SLShort_Blocks[4].bc_main_type = _SLANG_BC_CONTINUE; - - Num_Args_Stack = (int *) SLmalloc (sizeof (int) * SLANG_MAX_RECURSIVE_DEPTH); - if (Num_Args_Stack == NULL) - { - SLfree ((char *) _SLRun_Stack); - return -1; - } - Recursion_Depth = 0; - Frame_Pointer_Stack = (unsigned int *) SLmalloc (sizeof (unsigned int) * SLANG_MAX_RECURSIVE_DEPTH); - if (Frame_Pointer_Stack == NULL) - { - SLfree ((char *) _SLRun_Stack); - SLfree ((char *)Num_Args_Stack); - return -1; - } - Frame_Pointer_Depth = 0; - Frame_Pointer = _SLRun_Stack; - - Default_Variable_Mode = compile_public_variable_mode; - Default_Define_Function = define_public_function; - return 0; -} - -static int add_generic_table (SLang_NameSpace_Type *ns, - SLang_Name_Type *table, char *pp_name, - unsigned int entry_len) -{ - SLang_Name_Type *t, **ns_table; - char *name; - unsigned int table_size; - - if (-1 == init_interpreter ()) - return -1; - - if (ns == NULL) - ns = Global_NameSpace; - - ns_table = ns->table; - table_size = ns->table_size; - - if ((pp_name != NULL) - && (-1 == SLdefine_for_ifdef (pp_name))) - return -1; - - t = table; - while (NULL != (name = t->name)) - { - unsigned long hash; - - /* Backward compatibility: '.' WAS used as hash marker */ - if (*name == '.') - { - name++; - t->name = name; - } - - if (NULL == (name = SLang_create_slstring (name))) - return -1; - - t->name = name; - - hash = _SLcompute_string_hash (name); - hash = hash % table_size; - - t->next = ns_table [(unsigned int) hash]; - ns_table [(unsigned int) hash] = t; - - t = (SLang_Name_Type *) ((char *)t + entry_len); - } - - return 0; -} - -int SLadd_intrin_fun_table (SLang_Intrin_Fun_Type *tbl, char *pp) -{ - return add_generic_table (NULL, (SLang_Name_Type *) tbl, pp, sizeof (SLang_Intrin_Fun_Type)); -} - -int SLadd_intrin_var_table (SLang_Intrin_Var_Type *tbl, char *pp) -{ - return add_generic_table (NULL, (SLang_Name_Type *) tbl, pp, sizeof (SLang_Intrin_Var_Type)); -} - -int SLadd_app_unary_table (SLang_App_Unary_Type *tbl, char *pp) -{ - return add_generic_table (NULL, (SLang_Name_Type *) tbl, pp, sizeof (SLang_App_Unary_Type)); -} - -int SLadd_math_unary_table (SLang_Math_Unary_Type *tbl, char *pp) -{ - return add_generic_table (NULL, (SLang_Name_Type *) tbl, pp, sizeof (SLang_Math_Unary_Type)); -} - -int SLadd_iconstant_table (SLang_IConstant_Type *tbl, char *pp) -{ - return add_generic_table (NULL, (SLang_Name_Type *) tbl, pp, sizeof (SLang_IConstant_Type)); -} - -#if SLANG_HAS_FLOAT -int SLadd_dconstant_table (SLang_DConstant_Type *tbl, char *pp) -{ - return add_generic_table (NULL, (SLang_Name_Type *) tbl, pp, sizeof (SLang_DConstant_Type)); -} -#endif - -/* ----------- */ -int SLns_add_intrin_fun_table (SLang_NameSpace_Type *ns, SLang_Intrin_Fun_Type *tbl, char *pp) -{ - return add_generic_table (ns, (SLang_Name_Type *) tbl, pp, sizeof (SLang_Intrin_Fun_Type)); -} - -int SLns_add_intrin_var_table (SLang_NameSpace_Type *ns, SLang_Intrin_Var_Type *tbl, char *pp) -{ - return add_generic_table (ns, (SLang_Name_Type *) tbl, pp, sizeof (SLang_Intrin_Var_Type)); -} - -int SLns_add_app_unary_table (SLang_NameSpace_Type *ns, SLang_App_Unary_Type *tbl, char *pp) -{ - return add_generic_table (ns, (SLang_Name_Type *) tbl, pp, sizeof (SLang_App_Unary_Type)); -} - -int SLns_add_math_unary_table (SLang_NameSpace_Type *ns, SLang_Math_Unary_Type *tbl, char *pp) -{ - return add_generic_table (ns, (SLang_Name_Type *) tbl, pp, sizeof (SLang_Math_Unary_Type)); -} - -int SLns_add_iconstant_table (SLang_NameSpace_Type *ns, SLang_IConstant_Type *tbl, char *pp) -{ - return add_generic_table (ns, (SLang_Name_Type *) tbl, pp, sizeof (SLang_IConstant_Type)); -} - -#if SLANG_HAS_FLOAT -int SLns_add_dconstant_table (SLang_NameSpace_Type *ns, SLang_DConstant_Type *tbl, char *pp) -{ - return add_generic_table (ns, (SLang_Name_Type *) tbl, pp, sizeof (SLang_DConstant_Type)); -} -#endif - -/* what is a bitmapped value: - * 1 intrin fun - * 2 user fun - * 4 intrin var - * 8 user defined var - */ -SLang_Array_Type *_SLang_apropos (char *namespace_name, char *pat, unsigned int what) -{ - SLang_NameSpace_Type *ns; - - if (namespace_name == NULL) - namespace_name = "Global"; - - if (*namespace_name == 0) - ns = This_Static_NameSpace; - else ns = _SLns_find_namespace (namespace_name); - - return _SLnspace_apropos (ns, pat, what); -} - -void _SLang_implements_intrinsic (char *name) -{ - if (This_Static_NameSpace == NULL) - { - SLang_verror (SL_INTRINSIC_ERROR, "No namespace available"); - return; - } - - (void) _SLns_set_namespace_name (This_Static_NameSpace, name); - - Default_Define_Function = define_static_function; - Default_Variable_Mode = compile_static_variable_mode; -} - -void _SLang_use_namespace_intrinsic (char *name) -{ - SLang_NameSpace_Type *ns; - - if (NULL == (ns = _SLns_find_namespace (name))) - { - SLang_verror (SL_INTRINSIC_ERROR, "Namespace %s does not exist", name); - return; - } - This_Static_NameSpace = ns; - if (Global_NameSpace == ns) - { - Default_Define_Function = define_public_function; - Default_Variable_Mode = compile_public_variable_mode; - } - else - { - Default_Define_Function = define_static_function; - Default_Variable_Mode = compile_static_variable_mode; - } -} - - -char *_SLang_cur_namespace_intrinsic (void) -{ - if (This_Static_NameSpace == NULL) - return "Global"; - - if (This_Static_NameSpace->namespace_name == NULL) - return ""; - - return This_Static_NameSpace->namespace_name; -} diff --git a/mdk-stage1/slang/slang.h b/mdk-stage1/slang/slang.h deleted file mode 100644 index 900b14043..000000000 --- a/mdk-stage1/slang/slang.h +++ /dev/null @@ -1,1930 +0,0 @@ -#ifndef DAVIS_SLANG_H_ -#define DAVIS_SLANG_H_ -/* -*- mode: C; mode: fold; -*- */ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ -#define SLANG_VERSION 10404 -#define SLANG_VERSION_STRING "1.4.4" - -/*{{{ System Dependent Macros and Typedefs */ - -#if defined(__WATCOMC__) && defined(DOS) -# ifndef __MSDOS__ -# define __MSDOS__ -# endif -# ifndef DOS386 -# define DOS386 -# endif -# ifndef IBMPC_SYSTEM -# define IBMPC_SYSTEM -# endif -#endif /* __watcomc__ */ - -#if defined(unix) || defined(__unix) -# ifndef __unix__ -# define __unix__ 1 -# endif -#endif - -#if !defined(__GO32__) -# ifdef __unix__ -# define REAL_UNIX_SYSTEM -# endif -#endif - -/* Set of the various defines for pc systems. This includes OS/2 */ -#ifdef __GO32__ -# ifndef __DJGPP__ -# define __DJGPP__ 1 -# endif -# ifndef IBMPC_SYSTEM -# define IBMPC_SYSTEM -# endif -#endif - -#ifdef __BORLANDC__ -# ifndef IBMPC_SYSTEM -# define IBMPC_SYSTEM -# endif -#endif - -#ifdef __MSDOS__ -# ifndef IBMPC_SYSTEM -# define IBMPC_SYSTEM -# endif -#endif - -#if defined(OS2) || defined(__os2__) -# ifndef IBMPC_SYSTEM -# define IBMPC_SYSTEM -# endif -# ifndef __os2__ -# define __os2__ -# endif -#endif - -#if defined(__NT__) || defined(__MINGW32__) || defined(__CYGWIN32__) -# ifndef IBMPC_SYSTEM -# define IBMPC_SYSTEM -# endif -#endif - -#if defined(IBMPC_SYSTEM) || defined(VMS) -# ifdef REAL_UNIX_SYSTEM -# undef REAL_UNIX_SYSTEM -# endif -#endif - -#ifdef __cplusplus -extern "C" { -#endif -#if 0 -} -#endif - -#include <stdio.h> -#include <stdarg.h> -#if defined(__STDC__) || defined(__BORLANDC__) || defined(__cplusplus) -# include <stddef.h> /* for offsetof */ -#endif - -/* ---------------------------- Generic Macros ----------------------------- */ - -/* __SC__ is defined for Symantec C++ - DOS386 is defined for -mx memory model, 32 bit DOS extender. */ - -#if defined(__SC__) && !defined(DOS386) -# include <dos.h> -#endif - -#if defined(__BORLANDC__) -# include <alloc.h> -#endif - -#if defined (__cplusplus) || defined(__STDC__) || defined(IBMPC_SYSTEM) - typedef void *VOID_STAR; -#else - typedef unsigned char *VOID_STAR; -#endif - -typedef int (*FVOID_STAR)(void); - -#if defined(__MSDOS_) && defined(__BORLANDC__) -# define SLFREE(buf) farfree((void far *)(buf)) -# define SLMALLOC(x) farmalloc((unsigned long) (x)) -# define SLREALLOC(buf, n) farrealloc((void far *) (buf), (unsigned long) (n)) -# define SLCALLOC(n, m) farcalloc((unsigned long) (n), (unsigned long) (m)) -#else -# if defined(VMS) && !defined(__DECC) -# define SLFREE VAXC$FREE_OPT -# define SLMALLOC VAXC$MALLOC_OPT -# define SLREALLOC VAXC$REALLOC_OPT -# define SLCALLOC VAXC$CALLOC_OPT -# else -# define SLFREE(x) free((char *)(x)) -# define SLMALLOC malloc -# define SLREALLOC realloc -# define SLCALLOC calloc -# endif -#endif - - extern char *SLdebug_malloc (unsigned long); - extern char *SLdebug_calloc (unsigned long, unsigned long); - extern char *SLdebug_realloc (char *, unsigned long); - extern void SLdebug_free (char *); - extern void SLmalloc_dump_statistics (void); - extern char *SLstrcpy(register char *, register char *); - extern int SLstrcmp(register char *, register char *); - extern char *SLstrncpy(char *, register char *, register int); - - extern void SLmemset (char *, char, int); - extern char *SLmemchr (register char *, register char, register int); - extern char *SLmemcpy (char *, char *, int); - extern int SLmemcmp (char *, char *, int); - -/*}}}*/ - -/*{{{ Interpreter Typedefs */ - -typedef struct _SLang_Name_Type -{ - char *name; - struct _SLang_Name_Type *next; - char name_type; - /* These values must be less than 0x10 because they map directly - * to byte codes. See _slang.h. - */ -#define SLANG_LVARIABLE 0x01 -#define SLANG_GVARIABLE 0x02 -#define SLANG_IVARIABLE 0x03 /* intrinsic variables */ - /* Note!!! For Macro MAKE_VARIABLE below to work, SLANG_IVARIABLE Must - be 1 less than SLANG_RVARIABLE!!! */ -#define SLANG_RVARIABLE 0x04 /* read only variable */ -#define SLANG_INTRINSIC 0x05 -#define SLANG_FUNCTION 0x06 -#define SLANG_MATH_UNARY 0x07 -#define SLANG_APP_UNARY 0x08 -#define SLANG_ICONSTANT 0x09 -#define SLANG_DCONSTANT 0x0A -#define SLANG_PVARIABLE 0x0B /* private */ -#define SLANG_PFUNCTION 0x0C /* private */ - - /* Rest of fields depend on name type */ -} -SLang_Name_Type; - -typedef struct -{ - char *name; - struct _SLang_Name_Type *next; /* this is for the hash table */ - char name_type; - - FVOID_STAR i_fun; /* address of object */ - - /* Do not change this without modifying slang.c:execute_intrinsic_fun */ -#define SLANG_MAX_INTRIN_ARGS 7 - unsigned char arg_types [SLANG_MAX_INTRIN_ARGS]; - unsigned char num_args; - unsigned char return_type; -} -SLang_Intrin_Fun_Type; - -typedef struct -{ - char *name; - SLang_Name_Type *next; - char name_type; - - VOID_STAR addr; - unsigned char type; -} -SLang_Intrin_Var_Type; - -typedef struct -{ - char *name; - SLang_Name_Type *next; - char name_type; - - int unary_op; -} -SLang_App_Unary_Type; - -typedef struct -{ - char *name; - SLang_Name_Type *next; - char name_type; - - int unary_op; -} -SLang_Math_Unary_Type; - -typedef struct -{ - char *name; - SLang_Name_Type *next; - char name_type; - int i; -} -SLang_IConstant_Type; - -typedef struct -{ - char *name; - SLang_Name_Type *next; - char name_type; - double d; -} -SLang_DConstant_Type; - -typedef struct -{ - char *field_name; - unsigned int offset; - unsigned char type; - unsigned char read_only; -} -SLang_IStruct_Field_Type; - -extern int SLadd_intrin_fun_table (SLang_Intrin_Fun_Type *, char *); -extern int SLadd_intrin_var_table (SLang_Intrin_Var_Type *, char *); -extern int SLadd_app_unary_table (SLang_App_Unary_Type *, char *); -extern int SLadd_math_unary_table (SLang_Math_Unary_Type *, char *); -extern int SLadd_iconstant_table (SLang_IConstant_Type *, char *); -extern int SLadd_dconstant_table (SLang_DConstant_Type *, char *); -extern int SLadd_istruct_table (SLang_IStruct_Field_Type *, VOID_STAR, char *); - -typedef struct _SLang_NameSpace_Type SLang_NameSpace_Type; - -extern int SLns_add_intrin_fun_table (SLang_NameSpace_Type *, SLang_Intrin_Fun_Type *, char *); -extern int SLns_add_intrin_var_table (SLang_NameSpace_Type *, SLang_Intrin_Var_Type *, char *); -extern int SLns_add_app_unary_table (SLang_NameSpace_Type *, SLang_App_Unary_Type *, char *); -extern int SLns_add_math_unary_table (SLang_NameSpace_Type *, SLang_Math_Unary_Type *, char *); -extern int SLns_add_iconstant_table (SLang_NameSpace_Type *, SLang_IConstant_Type *, char *); -extern int SLns_add_dconstant_table (SLang_NameSpace_Type *, SLang_DConstant_Type *, char *); -extern int SLns_add_istruct_table (SLang_NameSpace_Type *, SLang_IStruct_Field_Type *, VOID_STAR, char *); - -extern SLang_NameSpace_Type *SLns_create_namespace (char *); -extern void SLns_delete_namespace (SLang_NameSpace_Type *); - -typedef struct SLang_Load_Type -{ - int type; - - VOID_STAR client_data; - /* Pointer to data that client needs for loading */ - - int auto_declare_globals; - /* if non-zero, undefined global variables are declared as static */ - - char *(*read)(struct SLang_Load_Type *); - /* function to call to read next line from obj. */ - - unsigned int line_num; - /* Number of lines read, used for error reporting */ - - int parse_level; - /* 0 if at top level of parsing */ - - char *name; - /* Name of this object, e.g., filename. This name should be unique because - * it alone determines the name space for static objects associated with - * the compilable unit. - */ - - unsigned long reserved[4]; - /* For future expansion */ -} SLang_Load_Type; - -extern SLang_Load_Type *SLallocate_load_type (char *); -extern void SLdeallocate_load_type (SLang_Load_Type *); - -/* Returns SLang_Error upon failure */ -extern int SLang_load_object (SLang_Load_Type *); -extern int (*SLang_Load_File_Hook)(char *); -extern int (*SLang_Auto_Declare_Var_Hook) (char *); - -extern int SLang_generate_debug_info (int); - - -#if defined(ultrix) && !defined(__GNUC__) -# ifndef NO_PROTOTYPES -# define NO_PROTOTYPES -# endif -#endif - -#ifndef NO_PROTOTYPES -# define _PROTO(x) x -#else -# define _PROTO(x) () -#endif - -typedef struct SL_OOBinary_Type -{ - unsigned char data_type; /* partner type for binary op */ - - int (*binary_function)_PROTO((int, - unsigned char, VOID_STAR, unsigned int, - unsigned char, VOID_STAR, unsigned int, - VOID_STAR)); - - int (*binary_result) _PROTO((int, unsigned char, unsigned char, unsigned char *)); - struct SL_OOBinary_Type *next; -} -SL_OOBinary_Type; - -typedef struct _SL_Typecast_Type -{ - unsigned char data_type; /* to_type */ - int allow_implicit; - - int (*typecast)_PROTO((unsigned char, VOID_STAR, unsigned int, - unsigned char, VOID_STAR)); - struct _SL_Typecast_Type *next; -} -SL_Typecast_Type; - -typedef struct _SLang_Struct_Type SLang_Struct_Type; - -#if defined(SL_APP_WANTS_FOREACH) -/* It is up to the application to define struct _SLang_Foreach_Context_Type */ -typedef struct _SLang_Foreach_Context_Type SLang_Foreach_Context_Type; -#else -typedef int SLang_Foreach_Context_Type; -#endif - -typedef struct -{ - unsigned char cl_class_type; -#define SLANG_CLASS_TYPE_MMT 0 -#define SLANG_CLASS_TYPE_SCALAR 1 -#define SLANG_CLASS_TYPE_VECTOR 2 -#define SLANG_CLASS_TYPE_PTR 3 - - unsigned int cl_data_type; /* SLANG_INTEGER_TYPE, etc... */ - char *cl_name; /* slstring type */ - - unsigned int cl_sizeof_type; - VOID_STAR cl_transfer_buf; /* cl_sizeof_type bytes*/ - - /* Methods */ - - /* Most of the method functions are prototyped: - * int method (unsigned char type, VOID_STAR addr); - * Here, @type@ represents the type of object that the method is asked - * to deal with. The second parameter @addr@ will contain the ADDRESS of - * the object. For example, if type is SLANG_INT_TYPE, then @addr@ will - * actually be int *. Similary, if type is SLANG_STRING_TYPE, - * then @addr@ will contain the address of the string, i.e., char **. - */ - - void (*cl_destroy)_PROTO((unsigned char, VOID_STAR)); - /* Prototype: void destroy(unsigned type, VOID_STAR val) - * Called to delete/free the object */ - - char *(*cl_string)_PROTO((unsigned char, VOID_STAR)); - /* Prototype: char *to_string (unsigned char t, VOID_STAR p); - * Here p is a pointer to the object for which a string representation - * is to be returned. The returned pointer is to be a MALLOCED string. - */ - - /* Prototype: void push(unsigned char type, VOID_STAR v); - * Push a copy of the object of type @type@ at address @v@ onto the - * stack. - */ - int (*cl_push)_PROTO((unsigned char, VOID_STAR)); - - /* Prototype: int pop(unsigned char type, VOID_STAR v); - * Pops value from stack and assign it to object, whose address is @v@. - */ - int (*cl_pop)_PROTO((unsigned char, VOID_STAR)); - - int (*cl_unary_op_result_type)_PROTO((int, unsigned char, unsigned char *)); - int (*cl_unary_op)_PROTO((int, unsigned char, VOID_STAR, unsigned int, VOID_STAR)); - - int (*cl_app_unary_op_result_type)_PROTO((int, unsigned char, unsigned char *)); - int (*cl_app_unary_op)_PROTO((int, unsigned char, VOID_STAR, unsigned int, VOID_STAR)); - - /* If this function is non-NULL, it will be called for sin, cos, etc... */ -#define SLMATH_SIN 1 -#define SLMATH_COS 2 -#define SLMATH_TAN 3 -#define SLMATH_ATAN 4 -#define SLMATH_ASIN 5 -#define SLMATH_ACOS 6 -#define SLMATH_EXP 7 -#define SLMATH_LOG 8 -#define SLMATH_SQRT 9 -#define SLMATH_LOG10 10 -#define SLMATH_REAL 11 -#define SLMATH_IMAG 12 -#define SLMATH_SINH 13 -#define SLMATH_COSH 14 -#define SLMATH_TANH 15 -#define SLMATH_ATANH 16 -#define SLMATH_ASINH 17 -#define SLMATH_ACOSH 18 -#define SLMATH_TODOUBLE 19 -#define SLMATH_CONJ 20 - - int (*cl_math_op)_PROTO((int, unsigned char, VOID_STAR, unsigned int, VOID_STAR)); - int (*cl_math_op_result_type)_PROTO((int, unsigned char, unsigned char *)); - - SL_OOBinary_Type *cl_binary_ops; - SL_Typecast_Type *cl_typecast_funs; - - void (*cl_byte_code_destroy)_PROTO((unsigned char, VOID_STAR)); - void (*cl_user_destroy_fun)_PROTO((unsigned char, VOID_STAR)); - int (*cl_init_array_object)_PROTO((unsigned char, VOID_STAR)); - int (*cl_datatype_deref)_PROTO((unsigned char)); - SLang_Struct_Type *cl_struct_def; - int (*cl_dereference) _PROTO((unsigned char, VOID_STAR)); - int (*cl_acopy) (unsigned char, VOID_STAR, VOID_STAR); - int (*cl_apop) _PROTO((unsigned char, VOID_STAR)); - int (*cl_apush) _PROTO((unsigned char, VOID_STAR)); - int (*cl_push_literal) _PROTO((unsigned char, VOID_STAR)); - void (*cl_adestroy)_PROTO((unsigned char, VOID_STAR)); - int (*cl_push_intrinsic)_PROTO((unsigned char, VOID_STAR)); - int (*cl_void_typecast)_PROTO((unsigned char, VOID_STAR, unsigned int, unsigned char, VOID_STAR)); - - int (*cl_anytype_typecast)_PROTO((unsigned char, VOID_STAR, unsigned int, unsigned char, VOID_STAR)); - - /* Array access functions */ - int (*cl_aput) (unsigned char, unsigned int); - int (*cl_aget) (unsigned char, unsigned int); - int (*cl_anew) (unsigned char, unsigned int); - - /* length method */ - int (*cl_length) (unsigned char, VOID_STAR, unsigned int *); - - /* foreach */ - SLang_Foreach_Context_Type *(*cl_foreach_open) (unsigned char, unsigned int); - void (*cl_foreach_close) (unsigned char, SLang_Foreach_Context_Type *); - int (*cl_foreach) (unsigned char, SLang_Foreach_Context_Type *); - - /* Structure access: get and put (assign to) fields */ - int (*cl_sput) (unsigned char, char *); - int (*cl_sget) (unsigned char, char *); - - /* File I/O */ - int (*cl_fread) (unsigned char, FILE *, VOID_STAR, unsigned int, unsigned int *); - int (*cl_fwrite) (unsigned char, FILE *, VOID_STAR, unsigned int, unsigned int *); - int (*cl_fdread) (unsigned char, int, VOID_STAR, unsigned int, unsigned int *); - int (*cl_fdwrite) (unsigned char, int, VOID_STAR, unsigned int, unsigned int *); - - int (*cl_to_bool) (unsigned char, int *); - - int (*cl_cmp)(unsigned char, VOID_STAR, VOID_STAR, int *); - -} SLang_Class_Type; - -/* These are the low-level functions for building push/pop methods. They - * know nothing about memory management. For SLANG_CLASS_TYPE_MMT, use the - * MMT push/pop functions instead. - */ -extern int SLclass_push_double_obj (unsigned char, double); -extern int SLclass_push_float_obj (unsigned char, float); -extern int SLclass_push_long_obj (unsigned char, long); -extern int SLclass_push_int_obj (unsigned char, int); -extern int SLclass_push_short_obj (unsigned char, short); -extern int SLclass_push_char_obj (unsigned char, char); -extern int SLclass_push_ptr_obj (unsigned char, VOID_STAR); -extern int SLclass_pop_double_obj (unsigned char, double *); -extern int SLclass_pop_float_obj (unsigned char, float *); -extern int SLclass_pop_long_obj (unsigned char, long *); -extern int SLclass_pop_int_obj (unsigned char, int *); -extern int SLclass_pop_short_obj (unsigned char, short *); -extern int SLclass_pop_char_obj (unsigned char, char *); -extern int SLclass_pop_ptr_obj (unsigned char, VOID_STAR *); - -extern SLang_Class_Type *SLclass_allocate_class (char *); -extern int SLclass_get_class_id (SLang_Class_Type *cl); -extern int SLclass_create_synonym (char *, unsigned char); -extern int SLclass_is_class_defined (unsigned char); - -extern int SLclass_register_class (SLang_Class_Type *, unsigned char, unsigned int, unsigned char); -extern int SLclass_set_string_function (SLang_Class_Type *, char *(*)(unsigned char, VOID_STAR)); -extern int SLclass_set_destroy_function (SLang_Class_Type *, void (*)(unsigned char, VOID_STAR)); -extern int SLclass_set_push_function (SLang_Class_Type *, int (*)(unsigned char, VOID_STAR)); -extern int SLclass_set_pop_function (SLang_Class_Type *, int (*)(unsigned char, VOID_STAR)); - -extern int SLclass_set_aget_function (SLang_Class_Type *, int (*)(unsigned char, unsigned int)); -extern int SLclass_set_aput_function (SLang_Class_Type *, int (*)(unsigned char, unsigned int)); -extern int SLclass_set_anew_function (SLang_Class_Type *, int (*)(unsigned char, unsigned int)); - -extern int SLclass_set_sget_function (SLang_Class_Type *, int (*)(unsigned char, char *)); -extern int SLclass_set_sput_function (SLang_Class_Type *, int (*)(unsigned char, char *)); - -/* Typecast object on the stack to type p1. p2 and p3 should be set to 1 */ -extern int SLclass_typecast (unsigned char, int, int); - -extern int SLclass_add_unary_op (unsigned char, - int (*) (int, - unsigned char, VOID_STAR, unsigned int, - VOID_STAR), - int (*) (int, unsigned char, unsigned char *)); - -extern int -SLclass_add_app_unary_op (unsigned char, - int (*) (int, - unsigned char, VOID_STAR, unsigned int, - VOID_STAR), - int (*) (int, unsigned char, unsigned char *)); - -extern int -SLclass_add_binary_op (unsigned char, unsigned char, - int (*) (int, - unsigned char, VOID_STAR, unsigned int, - unsigned char, VOID_STAR, unsigned int, - VOID_STAR), - int (*) (int, unsigned char, unsigned char, unsigned char *)); - -extern int -SLclass_add_math_op (unsigned char, - int (*)(int, - unsigned char, VOID_STAR, unsigned int, - VOID_STAR), - int (*)(int, unsigned char, unsigned char *)); - -extern int -SLclass_add_typecast (unsigned char /* from */, unsigned char /* to */, - int (*)_PROTO((unsigned char, VOID_STAR, unsigned int, - unsigned char, VOID_STAR)), - int /* allow implicit typecasts */ - ); - -extern char *SLclass_get_datatype_name (unsigned char); - -extern double SLcomplex_abs (double *); -extern double *SLcomplex_times (double *, double *, double *); -extern double *SLcomplex_divide (double *, double *, double *); -extern double *SLcomplex_sin (double *, double *); -extern double *SLcomplex_cos (double *, double *); -extern double *SLcomplex_tan (double *, double *); -extern double *SLcomplex_asin (double *, double *); -extern double *SLcomplex_acos (double *, double *); -extern double *SLcomplex_atan (double *, double *); -extern double *SLcomplex_exp (double *, double *); -extern double *SLcomplex_log (double *, double *); -extern double *SLcomplex_log10 (double *, double *); -extern double *SLcomplex_sqrt (double *, double *); -extern double *SLcomplex_sinh (double *, double *); -extern double *SLcomplex_cosh (double *, double *); -extern double *SLcomplex_tanh (double *, double *); -extern double *SLcomplex_pow (double *, double *, double *); -extern double SLmath_hypot (double x, double y); - -/* Not implemented yet */ -extern double *SLcomplex_asinh (double *, double *); -extern double *SLcomplex_acosh (double *, double *); -extern double *SLcomplex_atanh (double *, double *); - -#ifdef _SLANG_SOURCE_ -typedef struct _SLang_MMT_Type SLang_MMT_Type; -#else -typedef int SLang_MMT_Type; -#endif - -extern void SLang_free_mmt (SLang_MMT_Type *); -extern VOID_STAR SLang_object_from_mmt (SLang_MMT_Type *); -extern SLang_MMT_Type *SLang_create_mmt (unsigned char, VOID_STAR); -extern int SLang_push_mmt (SLang_MMT_Type *); -extern SLang_MMT_Type *SLang_pop_mmt (unsigned char); -extern void SLang_inc_mmt (SLang_MMT_Type *); - -/* Maximum number of dimensions of an array. */ -#define SLARRAY_MAX_DIMS 7 -typedef struct _SLang_Array_Type -{ - unsigned char data_type; - unsigned int sizeof_type; - VOID_STAR data; - unsigned int num_elements; - unsigned int num_dims; - int dims [SLARRAY_MAX_DIMS]; - VOID_STAR (*index_fun)_PROTO((struct _SLang_Array_Type *, int *)); - /* This function is designed to allow a type to store an array in - * any manner it chooses. This function returns the address of the data - * value at the specified index location. - */ - unsigned int flags; -#define SLARR_DATA_VALUE_IS_READ_ONLY 1 -#define SLARR_DATA_VALUE_IS_POINTER 2 -#define SLARR_DATA_VALUE_IS_RANGE 4 -#define SLARR_DATA_VALUE_IS_INTRINSIC 8 - SLang_Class_Type *cl; - unsigned int num_refs; -} -SLang_Array_Type; - -extern int SLang_pop_array_of_type (SLang_Array_Type **, unsigned char); -extern int SLang_pop_array (SLang_Array_Type **, int); -extern int SLang_push_array (SLang_Array_Type *, int); -extern void SLang_free_array (SLang_Array_Type *); -extern SLang_Array_Type *SLang_create_array (unsigned char, int, VOID_STAR, int *, unsigned int); -extern SLang_Array_Type *SLang_duplicate_array (SLang_Array_Type *); -extern int SLang_get_array_element (SLang_Array_Type *, int *, VOID_STAR); -extern int SLang_set_array_element (SLang_Array_Type *, int *, VOID_STAR); - - -/*}}}*/ - -/*{{{ Interpreter Function Prototypes */ - - extern volatile int SLang_Error; -/* Non zero if error occurs. Must be reset to zero to continue. */ -/* error codes, severe errors are less than 0 */ -#define SL_APPLICATION_ERROR -2 -#define SL_VARIABLE_UNINITIALIZED -3 -#define SL_INTERNAL_ERROR -5 -#define SL_STACK_OVERFLOW -6 -#define SL_STACK_UNDERFLOW -7 -#define SL_UNDEFINED_NAME -8 -#define SL_SYNTAX_ERROR -9 -#define SL_DUPLICATE_DEFINITION -10 -#define SL_TYPE_MISMATCH -11 -#define SL_OBJ_UNKNOWN -13 -#define SL_UNKNOWN_ERROR -14 -#define SL_TYPE_UNDEFINED_OP_ERROR -16 - -#define SL_INTRINSIC_ERROR 1 -/* Intrinsic error is an error generated by intrinsic functions */ -#define SL_USER_BREAK 2 -#define SL_DIVIDE_ERROR 3 -#define SL_OBJ_NOPEN 4 -#define SL_USER_ERROR 5 -#define SL_USAGE_ERROR 6 -#define SL_READONLY_ERROR 7 -#define SL_INVALID_PARM 8 -#define SL_NOT_IMPLEMENTED 9 -#define SL_MALLOC_ERROR 10 -#define SL_OVERFLOW 11 -#define SL_FLOATING_EXCEPTION 12 - -/* Compatibility */ -#define USER_BREAK SL_USER_BREAK -#define INTRINSIC_ERROR SL_INTRINSIC_ERROR - - extern int SLang_Traceback; - /* If non-zero, dump an S-Lang traceback upon error. Available as - _traceback in S-Lang. */ - - extern char *SLang_User_Prompt; - /* Prompt to use when reading from stdin */ - extern int SLang_Version; - extern char *SLang_Version_String; -extern char *SLang_Doc_Dir; - -extern void (*SLang_VMessage_Hook) (char *, va_list); -extern void SLang_vmessage (char *, ...); - - extern void (*SLang_Error_Hook)(char *); - /* Pointer to application dependent error messaging routine. By default, - messages are displayed on stderr. */ - - extern void (*SLang_Exit_Error_Hook)(char *, va_list); - extern void SLang_exit_error (char *, ...); - extern void (*SLang_Dump_Routine)(char *); - /* Called if S-Lang traceback is enabled as well as other debugging - routines (e.g., trace). By default, these messages go to stderr. */ - - extern void (*SLang_Interrupt)(void); - /* function to call whenever inner interpreter is entered. This is - a good place to set SLang_Error to USER_BREAK. */ - - extern void (*SLang_User_Clear_Error)(void); - /* function that gets called when '_clear_error' is called. */ - - /* If non null, these call C functions before and after a slang function. */ - extern void (*SLang_Enter_Function)(char *); -extern void (*SLang_Exit_Function)(char *); - -extern int SLang_Num_Function_Args; - -/* Functions: */ - -extern int SLang_init_all (void); -/* Initializes interpreter and all modules */ - -extern int SLang_init_slang (void); -/* This function is mandatory and must be called by all applications that - * use the interpreter - */ -extern int SLang_init_posix_process (void); /* process specific intrinsics */ -extern int SLang_init_stdio (void); /* fgets, etc. stdio functions */ -extern int SLang_init_posix_dir (void); -extern int SLang_init_ospath (void); - -extern int SLang_init_slmath (void); -/* called if math functions sin, cos, etc... are needed. */ - - extern int SLang_init_slfile (void); - extern int SLang_init_slunix (void); - /* These functions are obsolte. Use init_stdio, posix_process, etc. */ - -extern int SLang_init_slassoc (void); -/* Assoc Arrays (Hashes) */ - -extern int SLang_init_array (void); -/* Additional arrays functions: transpose, etc... */ - -/* Dynamic linking facility */ -extern int SLang_init_import (void); - - extern int SLang_load_file (char *); - /* Load a file of S-Lang code for interpreting. If the parameter is - * NULL, input comes from stdin. */ - - extern void SLang_restart(int); - /* should be called if an error occurs. If the passed integer is - * non-zero, items are popped off the stack; otherwise, the stack is - * left intact. Any time the stack is believed to be trashed, this routine - * should be called with a non-zero argument (e.g., if setjmp/longjmp is - * called). */ - - extern int SLang_byte_compile_file(char *, int); - /* takes a file of S-Lang code and ``byte-compiles'' it for faster - * loading. The new filename is equivalent to the old except that a `c' is - * appended to the name. (e.g., init.sl --> init.slc). The second - * specified the method; currently, it is not used. - */ - - extern int SLang_autoload(char *, char *); - /* Automatically load S-Lang function p1 from file p2. This function - is also available via S-Lang */ - - extern int SLang_load_string(char *); - /* Like SLang_load_file except input is from a null terminated string. */ - - extern int SLdo_pop(void); - /* pops item off stack and frees any memory associated with it */ - extern int SLdo_pop_n(unsigned int); - /* pops n items off stack and frees any memory associated with them */ - -extern int SLang_pop_integer(int *); -extern int SLang_pop_uinteger(unsigned int *); - /* pops integer *p0 from the stack. Returns 0 upon success and non-zero - * if the stack is empty or a type mismatch occurs, setting SLang_Error. - */ -extern int SLang_pop_char (char *); -extern int SLang_pop_uchar (unsigned char *); -extern int SLang_pop_short(short *); -extern int SLang_pop_ushort(unsigned short *); -extern int SLang_pop_long(long *); -extern int SLang_pop_ulong(unsigned long *); - -extern int SLang_pop_float(float *); -extern int SLang_pop_double(double *, int *, int *); - /* Pops double *p1 from stack. If *p3 is non-zero, *p1 was derived - from the integer *p2. Returns zero upon success. */ - - extern int SLang_pop_complex (double *, double *); - - extern int SLpop_string (char **); - extern int SLang_pop_string(char **, int *); - /* pops string *p0 from stack. If *p1 is non-zero, the string must be - * freed after its use. DO NOT FREE p0 if *p1 IS ZERO! Returns 0 upon - * success */ - - extern int SLang_push_complex (double, double); - - extern int SLang_push_char (char); - extern int SLang_push_uchar (unsigned char); - - extern int SLang_push_integer(int); - extern int SLang_push_uinteger(unsigned int); - /* push integer p1 on stack */ - - extern int SLang_push_short(short); - extern int SLang_push_ushort(unsigned short); - extern int SLang_push_long(long); - extern int SLang_push_ulong(unsigned long); - extern int SLang_push_float(float); - extern int SLang_push_double(double); - /* Push double onto stack */ - - extern int SLang_push_string(char *); - /* Push string p1 onto stack */ - - extern int SLang_push_malloced_string(char *); - /* The normal SLang_push_string pushes an slstring. This one converts - * a normally malloced string to an slstring, and then frees the - * malloced string. So, do NOT use the malloced string after calling - * this routine because it will be freed! The routine returns -1 upon - * error, but the string will be freed. - */ - -extern int SLang_push_null (void); -extern int SLang_pop_null (void); - -extern int SLang_push_value (unsigned char type, VOID_STAR); -extern int SLang_pop_value (unsigned char type, VOID_STAR); -extern void SLang_free_value (unsigned char type, VOID_STAR); - -typedef struct _SLang_Object_Type SLang_Any_Type; - -extern int SLang_pop_anytype (SLang_Any_Type **); -extern int SLang_push_anytype (SLang_Any_Type *); -extern void SLang_free_anytype (SLang_Any_Type *); - -#ifdef _SLANG_SOURCE_ -typedef struct _SLang_Ref_Type SLang_Ref_Type; -#else -typedef int SLang_Ref_Type; -#endif - -extern int SLang_pop_ref (SLang_Ref_Type **); -extern void SLang_free_ref (SLang_Ref_Type *); -extern int SLang_assign_to_ref (SLang_Ref_Type *, unsigned char, VOID_STAR); -extern SLang_Name_Type *SLang_pop_function (void); -extern SLang_Name_Type *SLang_get_fun_from_ref (SLang_Ref_Type *); -extern void SLang_free_function (SLang_Name_Type *f); - - extern int SLang_is_defined(char *); - /* Return non-zero is p1 is defined otherwise returns 0. */ - - extern int SLang_run_hooks(char *, unsigned int, ...); - /* calls S-Lang function p1 pushing p2 strings in the variable argument - * list onto the stack first. - * Returns -1 upon error, 1 if hooks exists and it ran, - * or 0 if hook does not exist. Thus it returns non-zero is hook was called. - */ - -/* These functions return 1 if the indicated function exists and the function - * runs without error. If the function does not exist, the function returns - * 0. Otherwise -1 is returned with SLang_Error set appropriately. - */ -extern int SLexecute_function (SLang_Name_Type *); -extern int SLang_execute_function(char *); - - -extern int SLang_end_arg_list (void); -extern int SLang_start_arg_list (void); - -extern void SLang_verror (int, char *, ...); - -extern void SLang_doerror(char *); - /* set SLang_Error and display p1 as error message */ - -extern int SLang_add_intrinsic_array (char *, /* name */ - unsigned char, /* type */ - int, /* readonly */ - VOID_STAR, /* data */ - unsigned int, ...); /* num dims */ - -extern int SLextract_list_element (char *, unsigned int, char, - char *, unsigned int); - -extern void SLexpand_escaped_string (register char *, register char *, - register char *); - -extern SLang_Name_Type *SLang_get_function (char *); -extern void SLang_release_function (SLang_Name_Type *); - -extern int SLreverse_stack (int); -extern int SLroll_stack (int); -/* If argument p is positive, the top p objects on the stack are rolled - * up. If negative, the stack is rolled down. - */ -extern int SLdup_n (int n); -/* Duplicate top n elements of stack */ - -extern int SLang_peek_at_stack1 (void); -extern int SLang_peek_at_stack (void); -/* Returns type of next object on stack-- -1 upon stack underflow. */ -extern void SLmake_lut (unsigned char *, unsigned char *, unsigned char); - - extern int SLang_guess_type (char *); - -extern int SLstruct_create_struct (unsigned int, - char **, - unsigned char *, - VOID_STAR *); - -/*}}}*/ - -/*{{{ Misc Functions */ - -/* This is an interface to atexit */ -extern int SLang_add_cleanup_function (void (*)(void)); - -extern char *SLmake_string (char *); -extern char *SLmake_nstring (char *, unsigned int); -/* Returns a null terminated string made from the first n characters of the - * string. - */ - -/* The string created by this routine must be freed by SLang_free_slstring - * and nothing else!! Also these strings must not be modified. Use - * SLmake_string if you intend to modify them!! - */ -extern char *SLang_create_nslstring (char *, unsigned int); -extern char *SLang_create_slstring (char *); -extern void SLang_free_slstring (char *); /* handles NULL */ -extern int SLang_pop_slstring (char **); /* free with SLang_free_slstring */ -extern char *SLang_concat_slstrings (char *a, char *b); -extern char *SLang_create_static_slstring (char *); /* adds a string that will not get deleted */ -extern void SLstring_dump_stats (void); - -/* Binary strings */ -/* The binary string is an opaque type. Use the SLbstring_get_pointer function - * to get a pointer and length. - */ -typedef struct _SLang_BString_Type SLang_BString_Type; -extern unsigned char *SLbstring_get_pointer (SLang_BString_Type *, unsigned int *); - -extern SLang_BString_Type *SLbstring_dup (SLang_BString_Type *); -extern SLang_BString_Type *SLbstring_create (unsigned char *, unsigned int); - -/* The create_malloced function used the first argument which is assumed - * to be a pointer to a len + 1 malloced string. The extra byte is for - * \0 termination. - */ -extern SLang_BString_Type *SLbstring_create_malloced (unsigned char *, unsigned int, int); - -/* Create a bstring from an slstring */ -extern SLang_BString_Type *SLbstring_create_slstring (char *); - -extern void SLbstring_free (SLang_BString_Type *); -extern int SLang_pop_bstring (SLang_BString_Type **); -extern int SLang_push_bstring (SLang_BString_Type *); - -extern char *SLmalloc (unsigned int); -extern char *SLcalloc (unsigned int, unsigned int); -extern void SLfree(char *); /* This function handles NULL */ -extern char *SLrealloc (char *, unsigned int); - -extern char *SLcurrent_time_string (void); - -extern int SLatoi(unsigned char *); -extern long SLatol (unsigned char *); -extern unsigned long SLatoul (unsigned char *); - -extern int SLang_pop_fileptr (SLang_MMT_Type **, FILE **); -extern char *SLang_get_name_from_fileptr (SLang_MMT_Type *); - -typedef struct _SLFile_FD_Type SLFile_FD_Type; -extern SLFile_FD_Type *SLfile_create_fd (char *, int); -extern void SLfile_free_fd (SLFile_FD_Type *); -extern int SLfile_push_fd (SLFile_FD_Type *); -extern int SLfile_pop_fd (SLFile_FD_Type **); -extern int SLfile_get_fd (SLFile_FD_Type *, int *); -extern SLFile_FD_Type *SLfile_dup_fd (SLFile_FD_Type *f0); -extern int SLang_init_posix_io (void); - -typedef double (*SLang_To_Double_Fun_Type)(VOID_STAR); -extern SLang_To_Double_Fun_Type SLarith_get_to_double_fun (unsigned char, unsigned int *); - -extern int SLang_set_argc_argv (int, char **); - -/*}}}*/ - -/*{{{ SLang getkey interface Functions */ - -#ifdef REAL_UNIX_SYSTEM -extern int SLang_TT_Baud_Rate; -extern int SLang_TT_Read_FD; -#endif - -extern int SLang_init_tty (int, int, int); -/* Initializes the tty for single character input. If the first parameter *p1 - * is in the range 0-255, it will be used for the abort character; - * otherwise, (unix only) if it is -1, the abort character will be the one - * used by the terminal. If the second parameter p2 is non-zero, flow - * control is enabled. If the last parmeter p3 is zero, output processing - * is NOT turned on. A value of zero is required for the screen management - * routines. Returns 0 upon success. In addition, if SLang_TT_Baud_Rate == - * 0 when this function is called, SLang will attempt to determine the - * terminals baud rate. As far as the SLang library is concerned, if - * SLang_TT_Baud_Rate is less than or equal to zero, the baud rate is - * effectively infinite. - */ - -extern void SLang_reset_tty (void); -/* Resets tty to what it was prior to a call to SLang_init_tty */ -#ifdef REAL_UNIX_SYSTEM -extern void SLtty_set_suspend_state (int); - /* If non-zero argument, terminal driver will be told to react to the - * suspend character. If 0, it will not. - */ -extern int (*SLang_getkey_intr_hook) (void); -#endif - -#define SLANG_GETKEY_ERROR 0xFFFF -extern unsigned int SLang_getkey (void); -/* reads a single key from the tty. If the read fails, 0xFFFF is returned. */ - -#ifdef IBMPC_SYSTEM -extern int SLgetkey_map_to_ansi (int); -#endif - -extern int SLang_ungetkey_string (unsigned char *, unsigned int); -extern int SLang_buffer_keystring (unsigned char *, unsigned int); -extern int SLang_ungetkey (unsigned char); -extern void SLang_flush_input (void); -extern int SLang_input_pending (int); -extern int SLang_Abort_Char; -/* The value of the character (0-255) used to trigger SIGINT */ -extern int SLang_Ignore_User_Abort; -/* If non-zero, pressing the abort character will not result in USER_BREAK - * SLang_Error. */ - -extern int SLang_set_abort_signal (void (*)(int)); -/* If SIGINT is generated, the function p1 will be called. If p1 is NULL - * the SLang_default signal handler is called. This sets SLang_Error to - * USER_BREAK. I suspect most users will simply want to pass NULL. - */ -extern unsigned int SLang_Input_Buffer_Len; - -extern volatile int SLKeyBoard_Quit; - -#ifdef VMS -/* If this function returns -1, ^Y will be added to input buffer. */ -extern int (*SLtty_VMS_Ctrl_Y_Hook) (void); -#endif -/*}}}*/ - -/*{{{ SLang Keymap routines */ - -typedef struct SLKeymap_Function_Type -{ - char *name; - int (*f)(void); -} -SLKeymap_Function_Type; - -#define SLANG_MAX_KEYMAP_KEY_SEQ 14 -typedef struct SLang_Key_Type -{ - struct SLang_Key_Type *next; - union - { - char *s; - FVOID_STAR f; - unsigned int keysym; - } - f; - unsigned char type; /* type of function */ -#define SLKEY_F_INTERPRET 0x01 -#define SLKEY_F_INTRINSIC 0x02 -#define SLKEY_F_KEYSYM 0x03 - unsigned char str[SLANG_MAX_KEYMAP_KEY_SEQ + 1];/* key sequence */ -} -SLang_Key_Type; - -typedef struct SLKeyMap_List_Type -{ - char *name; /* hashed string */ - SLang_Key_Type *keymap; - SLKeymap_Function_Type *functions; /* intrinsic functions */ -} -SLKeyMap_List_Type; - -/* This is arbitrary but I have got to start somewhere */ -#define SLANG_MAX_KEYMAPS 30 -extern SLKeyMap_List_Type SLKeyMap_List[SLANG_MAX_KEYMAPS]; - -extern char *SLang_process_keystring(char *); - -extern int SLkm_define_key (char *, FVOID_STAR, SLKeyMap_List_Type *); - -extern int SLang_define_key(char *, char *, SLKeyMap_List_Type *); -/* Like define_key1 except that p2 is a string that is to be associated with - * a function in the functions field of p3. This routine calls define_key1. - */ - -extern int SLkm_define_keysym (char *, unsigned int, SLKeyMap_List_Type *); - -extern void SLang_undefine_key(char *, SLKeyMap_List_Type *); - -extern SLKeyMap_List_Type *SLang_create_keymap(char *, SLKeyMap_List_Type *); -/* create and returns a pointer to a new keymap named p1 created by copying - * keymap p2. If p2 is NULL, it is up to the calling routine to initialize - * the keymap. - */ - -extern char *SLang_make_keystring(unsigned char *); - -extern SLang_Key_Type *SLang_do_key(SLKeyMap_List_Type *, int (*)(void)); -/* read a key using keymap p1 with getkey function p2 */ - -extern - FVOID_STAR - SLang_find_key_function(char *, SLKeyMap_List_Type *); - -extern SLKeyMap_List_Type *SLang_find_keymap(char *); - -extern int SLang_Last_Key_Char; -extern int SLang_Key_TimeOut_Flag; - -/*}}}*/ - -/*{{{ SLang Readline Interface */ - -typedef struct SLang_Read_Line_Type -{ - struct SLang_Read_Line_Type *prev, *next; - unsigned char *buf; - int buf_len; /* number of chars in the buffer */ - int num; /* num and misc are application specific*/ - int misc; -} SLang_Read_Line_Type; - -/* Maximum size of display */ -#define SLRL_DISPLAY_BUFFER_SIZE 256 - -typedef struct -{ - SLang_Read_Line_Type *root, *tail, *last; - unsigned char *buf; /* edit buffer */ - int buf_len; /* sizeof buffer */ - int point; /* current editing point */ - int tab; /* tab width */ - int len; /* current line size */ - - /* display variables */ - int edit_width; /* length of display field */ - int curs_pos; /* current column */ - int start_column; /* column offset of display */ - int dhscroll; /* amount to use for horiz scroll */ - char *prompt; - - FVOID_STAR last_fun; /* last function executed by rl */ - - /* These two contain an image of what is on the display */ - unsigned char upd_buf1[SLRL_DISPLAY_BUFFER_SIZE]; - unsigned char upd_buf2[SLRL_DISPLAY_BUFFER_SIZE]; - unsigned char *old_upd, *new_upd; /* pointers to previous two buffers */ - int new_upd_len, old_upd_len; /* length of output buffers */ - - SLKeyMap_List_Type *keymap; - - /* tty variables */ - unsigned int flags; /* */ -#define SL_RLINE_NO_ECHO 1 -#define SL_RLINE_USE_ANSI 2 -#define SL_RLINE_BLINK_MATCH 4 - unsigned int (*getkey)(void); /* getkey function -- required */ - void (*tt_goto_column)(int); - void (*tt_insert)(char); - void (*update_hook)(unsigned char *, int, int); - /* The update hook is called with a pointer to a buffer p1 that contains - * an image of what the update hook is suppoed to produce. The length - * of the buffer is p2 and after the update, the cursor is to be placed - * in column p3. - */ - /* This function is only called when blinking matches */ - int (*input_pending)(int); - unsigned long reserved[4]; -} SLang_RLine_Info_Type; - -extern int SLang_RL_EOF_Char; - -extern SLang_Read_Line_Type * SLang_rline_save_line (SLang_RLine_Info_Type *); -extern int SLang_init_readline (SLang_RLine_Info_Type *); -extern int SLang_read_line (SLang_RLine_Info_Type *); -extern int SLang_rline_insert (char *); -extern void SLrline_redraw (SLang_RLine_Info_Type *); -extern int SLang_Rline_Quit; - -/*}}}*/ - -/*{{{ Low Level Screen Output Interface */ - -extern unsigned long SLtt_Num_Chars_Output; -extern int SLtt_Baud_Rate; - -typedef unsigned long SLtt_Char_Type; - -#define SLTT_BOLD_MASK 0x01000000UL -#define SLTT_BLINK_MASK 0x02000000UL -#define SLTT_ULINE_MASK 0x04000000UL -#define SLTT_REV_MASK 0x08000000UL -#define SLTT_ALTC_MASK 0x10000000UL - -extern int SLtt_Screen_Rows; -extern int SLtt_Screen_Cols; -extern int SLtt_Term_Cannot_Insert; -extern int SLtt_Term_Cannot_Scroll; -extern int SLtt_Use_Ansi_Colors; -extern int SLtt_Ignore_Beep; -#if defined(REAL_UNIX_SYSTEM) -extern int SLtt_Force_Keypad_Init; -extern int SLang_TT_Write_FD; -#endif - -#ifndef IBMPC_SYSTEM -extern char *SLtt_Graphics_Char_Pairs; -#endif - -#ifndef __GO32__ -#if defined(VMS) || defined(REAL_UNIX_SYSTEM) -extern int SLtt_Blink_Mode; -extern int SLtt_Use_Blink_For_ACS; -extern int SLtt_Newline_Ok; -extern int SLtt_Has_Alt_Charset; -extern int SLtt_Has_Status_Line; /* if 0, NO. If > 0, YES, IF -1, ?? */ -# ifndef VMS -extern int SLtt_Try_Termcap; -# endif -#endif -#endif - -#if defined(IBMPC_SYSTEM) -extern int SLtt_Msdos_Cheap_Video; -#endif - -typedef unsigned short SLsmg_Char_Type; -#define SLSMG_EXTRACT_CHAR(x) ((x) & 0xFF) -#define SLSMG_EXTRACT_COLOR(x) (((x)>>8)&0xFF) -#define SLSMG_BUILD_CHAR(ch,color) (((SLsmg_Char_Type)(unsigned char)(ch))|((color)<<8)) - -extern int SLtt_flush_output (void); -extern void SLtt_set_scroll_region(int, int); -extern void SLtt_reset_scroll_region(void); -extern void SLtt_reverse_video (int); -extern void SLtt_bold_video (void); -extern void SLtt_begin_insert(void); -extern void SLtt_end_insert(void); -extern void SLtt_del_eol(void); -extern void SLtt_goto_rc (int, int); -extern void SLtt_delete_nlines(int); -extern void SLtt_delete_char(void); -extern void SLtt_erase_line(void); -extern void SLtt_normal_video(void); -extern void SLtt_cls(void); -extern void SLtt_beep(void); -extern void SLtt_reverse_index(int); -extern void SLtt_smart_puts(SLsmg_Char_Type *, SLsmg_Char_Type *, int, int); -extern void SLtt_write_string (char *); -extern void SLtt_putchar(char); -extern int SLtt_init_video (void); -extern int SLtt_reset_video (void); -extern void SLtt_get_terminfo(void); -extern void SLtt_get_screen_size (void); -extern int SLtt_set_cursor_visibility (int); - -extern int SLtt_set_mouse_mode (int, int); - -#if defined(VMS) || defined(REAL_UNIX_SYSTEM) -extern int SLtt_initialize (char *); -extern void SLtt_enable_cursor_keys(void); -extern void SLtt_set_term_vtxxx(int *); -extern void SLtt_set_color_esc (int, char *); -extern void SLtt_wide_width(void); -extern void SLtt_narrow_width(void); -extern void SLtt_set_alt_char_set (int); -extern int SLtt_write_to_status_line (char *, int); -extern void SLtt_disable_status_line (void); -# ifdef REAL_UNIX_SYSTEM -/* These are termcap/terminfo routines that assume SLtt_initialize has - * been called. - */ -extern char *SLtt_tgetstr (char *); -extern int SLtt_tgetnum (char *); -extern int SLtt_tgetflag (char *); - -/* The following are terminfo-only routines -- these prototypes will change - * in V2.x. - */ -extern char *SLtt_tigetent (char *); -extern char *SLtt_tigetstr (char *, char **); -extern int SLtt_tigetnum (char *, char **); -# endif -#endif - -extern SLtt_Char_Type SLtt_get_color_object (int); -extern void SLtt_set_color_object (int, SLtt_Char_Type); -extern void SLtt_set_color (int, char *, char *, char *); -extern void SLtt_set_mono (int, char *, SLtt_Char_Type); -extern void SLtt_add_color_attribute (int, SLtt_Char_Type); -extern void SLtt_set_color_fgbg (int, SLtt_Char_Type, SLtt_Char_Type); - -/*}}}*/ - -/*{{{ SLang Preprocessor Interface */ - -typedef struct -{ - int this_level; - int exec_level; - int prev_exec_level; - char preprocess_char; - char comment_char; - unsigned char flags; -#define SLPREP_BLANK_LINES_OK 1 -#define SLPREP_COMMENT_LINES_OK 2 -} -SLPreprocess_Type; - -extern int SLprep_open_prep (SLPreprocess_Type *); -extern void SLprep_close_prep (SLPreprocess_Type *); -extern int SLprep_line_ok (char *, SLPreprocess_Type *); - extern int SLdefine_for_ifdef (char *); - /* Adds a string to the SLang #ifdef preparsing defines. SLang already - defines MSDOS, UNIX, and VMS on the appropriate system. */ -extern int (*SLprep_exists_hook) (char *, char); - -/*}}}*/ - -/*{{{ SLsmg Screen Management Functions */ - -extern void SLsmg_fill_region (int, int, unsigned int, unsigned int, unsigned char); -extern void SLsmg_set_char_set (int); -#ifndef IBMPC_SYSTEM -extern int SLsmg_Scroll_Hash_Border; -#endif -extern int SLsmg_suspend_smg (void); -extern int SLsmg_resume_smg (void); -extern void SLsmg_erase_eol (void); -extern void SLsmg_gotorc (int, int); -extern void SLsmg_erase_eos (void); -extern void SLsmg_reverse_video (void); -extern void SLsmg_set_color (int); -extern void SLsmg_normal_video (void); -extern void SLsmg_printf (char *, ...); -extern void SLsmg_vprintf (char *, va_list); -extern void SLsmg_write_string (char *); -extern void SLsmg_write_nstring (char *, unsigned int); -extern void SLsmg_write_char (char); -extern void SLsmg_write_nchars (char *, unsigned int); -extern void SLsmg_write_wrapped_string (char *, int, int, unsigned int, unsigned int, int); -extern void SLsmg_cls (void); -extern void SLsmg_refresh (void); -extern void SLsmg_touch_lines (int, unsigned int); -extern void SLsmg_touch_screen (void); -extern int SLsmg_init_smg (void); -extern int SLsmg_reinit_smg (void); -extern void SLsmg_reset_smg (void); -extern SLsmg_Char_Type SLsmg_char_at(void); -extern void SLsmg_set_screen_start (int *, int *); -extern void SLsmg_draw_hline (unsigned int); -extern void SLsmg_draw_vline (int); -extern void SLsmg_draw_object (int, int, unsigned char); -extern void SLsmg_draw_box (int, int, unsigned int, unsigned int); -extern int SLsmg_get_column(void); -extern int SLsmg_get_row(void); -extern void SLsmg_forward (int); -extern void SLsmg_write_color_chars (SLsmg_Char_Type *, unsigned int); -extern unsigned int SLsmg_read_raw (SLsmg_Char_Type *, unsigned int); -extern unsigned int SLsmg_write_raw (SLsmg_Char_Type *, unsigned int); -extern void SLsmg_set_color_in_region (int, int, int, unsigned int, unsigned int); -extern int SLsmg_Display_Eight_Bit; -extern int SLsmg_Tab_Width; - -#define SLSMG_NEWLINE_IGNORED 0 /* default */ -#define SLSMG_NEWLINE_MOVES 1 /* moves to next line, column 0 */ -#define SLSMG_NEWLINE_SCROLLS 2 /* moves but scrolls at bottom of screen */ -#define SLSMG_NEWLINE_PRINTABLE 3 /* prints as ^J */ -extern int SLsmg_Newline_Behavior; - -extern int SLsmg_Backspace_Moves; - -#ifdef IBMPC_SYSTEM -# define SLSMG_HLINE_CHAR 0xC4 -# define SLSMG_VLINE_CHAR 0xB3 -# define SLSMG_ULCORN_CHAR 0xDA -# define SLSMG_URCORN_CHAR 0xBF -# define SLSMG_LLCORN_CHAR 0xC0 -# define SLSMG_LRCORN_CHAR 0xD9 -# define SLSMG_RTEE_CHAR 0xB4 -# define SLSMG_LTEE_CHAR 0xC3 -# define SLSMG_UTEE_CHAR 0xC2 -# define SLSMG_DTEE_CHAR 0xC1 -# define SLSMG_PLUS_CHAR 0xC5 -/* There are several to choose from: 0xB0, 0xB1, and 0xB2 */ -# define SLSMG_CKBRD_CHAR 0xB0 -# define SLSMG_DIAMOND_CHAR 0x04 -# define SLSMG_DEGREE_CHAR 0xF8 -# define SLSMG_PLMINUS_CHAR 0xF1 -# define SLSMG_BULLET_CHAR 0xF9 -# define SLSMG_LARROW_CHAR 0x1B -# define SLSMG_RARROW_CHAR 0x1A -# define SLSMG_DARROW_CHAR 0x19 -# define SLSMG_UARROW_CHAR 0x18 -# define SLSMG_BOARD_CHAR 0xB2 -# define SLSMG_BLOCK_CHAR 0xDB -#else -# if defined(AMIGA) -# define SLSMG_HLINE_CHAR '-' -# define SLSMG_VLINE_CHAR '|' -# define SLSMG_ULCORN_CHAR '+' -# define SLSMG_URCORN_CHAR '+' -# define SLSMG_LLCORN_CHAR '+' -# define SLSMG_LRCORN_CHAR '+' -# define SLSMG_CKBRD_CHAR '#' -# define SLSMG_RTEE_CHAR '+' -# define SLSMG_LTEE_CHAR '+' -# define SLSMG_UTEE_CHAR '+' -# define SLSMG_DTEE_CHAR '+' -# define SLSMG_PLUS_CHAR '+' -# define SLSMG_DIAMOND_CHAR '+' -# define SLSMG_DEGREE_CHAR '\\' -# define SLSMG_PLMINUS_CHAR '#' -# define SLSMG_BULLET_CHAR 'o' -# define SLSMG_LARROW_CHAR '<' -# define SLSMG_RARROW_CHAR '>' -# define SLSMG_DARROW_CHAR 'v' -# define SLSMG_UARROW_CHAR '^' -# define SLSMG_BOARD_CHAR '#' -# define SLSMG_BLOCK_CHAR '#' -# else -# define SLSMG_HLINE_CHAR 'q' -# define SLSMG_VLINE_CHAR 'x' -# define SLSMG_ULCORN_CHAR 'l' -# define SLSMG_URCORN_CHAR 'k' -# define SLSMG_LLCORN_CHAR 'm' -# define SLSMG_LRCORN_CHAR 'j' -# define SLSMG_CKBRD_CHAR 'a' -# define SLSMG_RTEE_CHAR 'u' -# define SLSMG_LTEE_CHAR 't' -# define SLSMG_UTEE_CHAR 'w' -# define SLSMG_DTEE_CHAR 'v' -# define SLSMG_PLUS_CHAR 'n' -# define SLSMG_DIAMOND_CHAR '`' -# define SLSMG_DEGREE_CHAR 'f' -# define SLSMG_PLMINUS_CHAR 'g' -# define SLSMG_BULLET_CHAR '~' -# define SLSMG_LARROW_CHAR ',' -# define SLSMG_RARROW_CHAR '+' -# define SLSMG_DARROW_CHAR '.' -# define SLSMG_UARROW_CHAR '-' -# define SLSMG_BOARD_CHAR 'h' -# define SLSMG_BLOCK_CHAR '0' -# endif /* AMIGA */ -#endif /* IBMPC_SYSTEM */ - -#ifndef IBMPC_SYSTEM -# define SLSMG_COLOR_BLACK 0x000000 -# define SLSMG_COLOR_RED 0x000001 -# define SLSMG_COLOR_GREEN 0x000002 -# define SLSMG_COLOR_BROWN 0x000003 -# define SLSMG_COLOR_BLUE 0x000004 -# define SLSMG_COLOR_MAGENTA 0x000005 -# define SLSMG_COLOR_CYAN 0x000006 -# define SLSMG_COLOR_LGRAY 0x000007 -# define SLSMG_COLOR_GRAY 0x000008 -# define SLSMG_COLOR_BRIGHT_RED 0x000009 -# define SLSMG_COLOR_BRIGHT_GREEN 0x00000A -# define SLSMG_COLOR_BRIGHT_BROWN 0x00000B -# define SLSMG_COLOR_BRIGHT_BLUE 0x00000C -# define SLSMG_COLOR_BRIGHT_CYAN 0x00000D -# define SLSMG_COLOR_BRIGHT_MAGENTA 0x00000E -# define SLSMG_COLOR_BRIGHT_WHITE 0x00000F -#endif - -typedef struct -{ - void (*tt_normal_video)(void); - void (*tt_set_scroll_region)(int, int); - void (*tt_goto_rc)(int, int); - void (*tt_reverse_index)(int); - void (*tt_reset_scroll_region)(void); - void (*tt_delete_nlines)(int); - void (*tt_cls) (void); - void (*tt_del_eol) (void); - void (*tt_smart_puts) (SLsmg_Char_Type *, SLsmg_Char_Type *, int, int); - int (*tt_flush_output) (void); - int (*tt_reset_video) (void); - int (*tt_init_video) (void); - - int *tt_screen_rows; - int *tt_screen_cols; - - int *tt_term_cannot_scroll; - int *tt_has_alt_charset; - int *tt_use_blink_for_acs; - char **tt_graphic_char_pairs; - - long reserved[4]; -} -SLsmg_Term_Type; -extern void SLsmg_set_terminal_info (SLsmg_Term_Type *); - -/*}}}*/ - -/*{{{ SLang Keypad Interface */ - -#define SL_KEY_ERR 0xFFFF - -#define SL_KEY_UP 0x101 -#define SL_KEY_DOWN 0x102 -#define SL_KEY_LEFT 0x103 -#define SL_KEY_RIGHT 0x104 -#define SL_KEY_PPAGE 0x105 -#define SL_KEY_NPAGE 0x106 -#define SL_KEY_HOME 0x107 -#define SL_KEY_END 0x108 -#define SL_KEY_A1 0x109 -#define SL_KEY_A3 0x10A -#define SL_KEY_B2 0x10B -#define SL_KEY_C1 0x10C -#define SL_KEY_C3 0x10D -#define SL_KEY_REDO 0x10E -#define SL_KEY_UNDO 0x10F -#define SL_KEY_BACKSPACE 0x110 -#define SL_KEY_ENTER 0x111 -#define SL_KEY_IC 0x112 -#define SL_KEY_DELETE 0x113 - -#define SL_KEY_F0 0x200 -#define SL_KEY_F(X) (SL_KEY_F0 + X) - -/* I do not intend to use keysymps > 0x1000. Applications can use those. */ -/* Returns 0 upon success or -1 upon error. */ -extern int SLkp_define_keysym (char *, unsigned int); - -/* This function must be called AFTER SLtt_get_terminfo and not before. */ -extern int SLkp_init (void); - -/* This function uses SLang_getkey and assumes that what ever initialization - * is required for SLang_getkey has been performed. - */ -extern int SLkp_getkey (void); - -/*}}}*/ - -/*{{{ SLang Scroll Interface */ - -typedef struct _SLscroll_Type -{ - struct _SLscroll_Type *next; - struct _SLscroll_Type *prev; - unsigned int flags; -} -SLscroll_Type; - -typedef struct -{ - unsigned int flags; - SLscroll_Type *top_window_line; /* list element at top of window */ - SLscroll_Type *bot_window_line; /* list element at bottom of window */ - SLscroll_Type *current_line; /* current list element */ - SLscroll_Type *lines; /* first list element */ - unsigned int nrows; /* number of rows in window */ - unsigned int hidden_mask; /* applied to flags in SLscroll_Type */ - unsigned int line_num; /* current line number (visible) */ - unsigned int num_lines; /* total number of lines (visible) */ - unsigned int window_row; /* row of current_line in window */ - unsigned int border; /* number of rows that form scroll border */ - int cannot_scroll; /* should window scroll or recenter */ -} -SLscroll_Window_Type; - -extern int SLscroll_find_top (SLscroll_Window_Type *); -extern int SLscroll_find_line_num (SLscroll_Window_Type *); -extern unsigned int SLscroll_next_n (SLscroll_Window_Type *, unsigned int); -extern unsigned int SLscroll_prev_n (SLscroll_Window_Type *, unsigned int); -extern int SLscroll_pageup (SLscroll_Window_Type *); -extern int SLscroll_pagedown (SLscroll_Window_Type *); - -/*}}}*/ - -/*{{{ Signal Routines */ - -typedef void SLSig_Fun_Type (int); -extern SLSig_Fun_Type *SLsignal (int, SLSig_Fun_Type *); -extern SLSig_Fun_Type *SLsignal_intr (int, SLSig_Fun_Type *); -extern int SLsig_block_signals (void); -extern int SLsig_unblock_signals (void); -extern int SLsystem (char *); - -extern char *SLerrno_strerror (int); -extern int SLerrno_set_errno (int); - -/*}}}*/ - -/*{{{ Interpreter Macro Definitions */ - -/* The definitions here are for objects that may be on the run-time stack. - * They are actually sub_types of literal and data main_types. The actual - * numbers are historical. - */ -#define SLANG_UNDEFINED_TYPE 0x00 /* MUST be 0 */ -#define SLANG_VOID_TYPE 0x01 /* also matches ANY type */ -#define SLANG_INT_TYPE 0x02 -#define SLANG_DOUBLE_TYPE 0x03 -#define SLANG_CHAR_TYPE 0x04 -#define SLANG_INTP_TYPE 0x05 -/* An object of SLANG_INTP_TYPE should never really occur on the stack. Rather, - * the integer to which it refers will be there instead. It is defined here - * because it is a valid type for MAKE_VARIABLE. - */ -#define SLANG_REF_TYPE 0x06 -/* SLANG_REF_TYPE refers to an object on the stack that is a pointer (reference) - * to some other object. - */ -#define SLANG_COMPLEX_TYPE 0x07 -#define SLANG_NULL_TYPE 0x08 -#define SLANG_UCHAR_TYPE 0x09 -#define SLANG_SHORT_TYPE 0x0A -#define SLANG_USHORT_TYPE 0x0B -#define SLANG_UINT_TYPE 0x0C -#define SLANG_LONG_TYPE 0x0D -#define SLANG_ULONG_TYPE 0x0E -#define SLANG_STRING_TYPE 0x0F -#define SLANG_FLOAT_TYPE 0x10 -#define SLANG_STRUCT_TYPE 0x11 -#define SLANG_ISTRUCT_TYPE 0x12 -#define SLANG_ARRAY_TYPE 0x20 -#define SLANG_DATATYPE_TYPE 0x21 -#define SLANG_FILE_PTR_TYPE 0x22 -#define SLANG_ASSOC_TYPE 0x23 -#define SLANG_ANY_TYPE 0x24 -#define SLANG_BSTRING_TYPE 0x25 -#define SLANG_FILE_FD_TYPE 0x26 - -/* Compatibility */ -#ifdef FLOAT_TYPE -# undef FLOAT_TYPE -#endif -#define VOID_TYPE SLANG_VOID_TYPE -#define INT_TYPE SLANG_INT_TYPE -#define INTP_TYPE SLANG_INTP_TYPE -#define FLOAT_TYPE SLANG_DOUBLE_TYPE -#define ARRAY_TYPE SLANG_ARRAY_TYPE -#define CHAR_TYPE SLANG_CHAR_TYPE -#define STRING_TYPE SLANG_STRING_TYPE - -/* I am reserving values greater than or equal to 128 for user applications. - * The first 127 are reserved for S-Lang. - */ - -/* Binary and Unary Subtypes */ -/* Since the application can define new types and can overload the binary - * and unary operators, these definitions must be present in this file. - * The current implementation assumes both unary and binary are distinct. - */ -#define SLANG_PLUS 0x01 -#define SLANG_MINUS 0x02 -#define SLANG_TIMES 0x03 -#define SLANG_DIVIDE 0x04 -#define SLANG_EQ 0x05 -#define SLANG_NE 0x06 -#define SLANG_GT 0x07 -#define SLANG_GE 0x08 -#define SLANG_LT 0x09 -#define SLANG_LE 0x0A -#define SLANG_POW 0x0B -#define SLANG_OR 0x0C -#define SLANG_AND 0x0D -#define SLANG_BAND 0x0E -#define SLANG_BOR 0x0F -#define SLANG_BXOR 0x10 -#define SLANG_SHL 0x11 -#define SLANG_SHR 0x12 -#define SLANG_MOD 0x13 - -/* UNARY subtypes (may be overloaded) */ -#define SLANG_PLUSPLUS 0x20 -#define SLANG_MINUSMINUS 0x21 -#define SLANG_ABS 0x22 -#define SLANG_SIGN 0x23 -#define SLANG_SQR 0x24 -#define SLANG_MUL2 0x25 -#define SLANG_CHS 0x26 -#define SLANG_NOT 0x27 -#define SLANG_BNOT 0x28 - -extern char *SLang_Error_Message; - -int SLadd_intrinsic_variable (char *, VOID_STAR, unsigned char, int); -int SLadd_intrinsic_function (char *, FVOID_STAR, unsigned char, unsigned int,...); - -int SLns_add_intrinsic_variable (SLang_NameSpace_Type *, char *, VOID_STAR, unsigned char, int); -int SLns_add_intrinsic_function (SLang_NameSpace_Type *, char *, FVOID_STAR, unsigned char, unsigned int,...); - -extern void SLadd_at_handler (long *, char *); - -#define MAKE_INTRINSIC_N(n,f,out,in,a1,a2,a3,a4,a5,a6,a7) \ - {(n), NULL, SLANG_INTRINSIC, (FVOID_STAR) (f), \ - {a1,a2,a3,a4,a5,a6,a7}, (in), (out)} - -#define MAKE_INTRINSIC_7(n,f,out,a1,a2,a3,a4,a5,a6,a7) \ - MAKE_INTRINSIC_N(n,f,out,7,a1,a2,a3,a4,a5,a6,a7) -#define MAKE_INTRINSIC_6(n,f,out,a1,a2,a3,a4,a5,a6) \ - MAKE_INTRINSIC_N(n,f,out,6,a1,a2,a3,a4,a5,a6,0) -#define MAKE_INTRINSIC_5(n,f,out,a1,a2,a3,a4,a5) \ - MAKE_INTRINSIC_N(n,f,out,5,a1,a2,a3,a4,a5,0,0) -#define MAKE_INTRINSIC_4(n,f,out,a1,a2,a3,a4) \ - MAKE_INTRINSIC_N(n,f,out,4,a1,a2,a3,a4,0,0,0) -#define MAKE_INTRINSIC_3(n,f,out,a1,a2,a3) \ - MAKE_INTRINSIC_N(n,f,out,3,a1,a2,a3,0,0,0,0) -#define MAKE_INTRINSIC_2(n,f,out,a1,a2) \ - MAKE_INTRINSIC_N(n,f,out,2,a1,a2,0,0,0,0,0) -#define MAKE_INTRINSIC_1(n,f,out,a1) \ - MAKE_INTRINSIC_N(n,f,out,1,a1,0,0,0,0,0,0) -#define MAKE_INTRINSIC_0(n,f,out) \ - MAKE_INTRINSIC_N(n,f,out,0,0,0,0,0,0,0,0) - -#define MAKE_INTRINSIC_S(n,f,r) \ - MAKE_INTRINSIC_1(n,f,r,SLANG_STRING_TYPE) -#define MAKE_INTRINSIC_I(n,f,r) \ - MAKE_INTRINSIC_1(n,f,r,SLANG_INT_TYPE) - -#define MAKE_INTRINSIC_SS(n,f,r) \ - MAKE_INTRINSIC_2(n,f,r,SLANG_STRING_TYPE,SLANG_STRING_TYPE) -#define MAKE_INTRINSIC_SI(n,f,r) \ - MAKE_INTRINSIC_2(n,f,r,SLANG_STRING_TYPE,SLANG_INT_TYPE) -#define MAKE_INTRINSIC_IS(n,f,r) \ - MAKE_INTRINSIC_2(n,f,r,SLANG_INT_TYPE,SLANG_STRING_TYPE) -#define MAKE_INTRINSIC_II(n,f,r) \ - MAKE_INTRINSIC_2(n,f,r,SLANG_INT_TYPE,SLANG_INT_TYPE) - -#define MAKE_INTRINSIC_SSS(n,f,r) \ - MAKE_INTRINSIC_3(n,f,r,SLANG_STRING_TYPE,SLANG_STRING_TYPE,SLANG_STRING_TYPE) -#define MAKE_INTRINSIC_SSI(n,f,r) \ - MAKE_INTRINSIC_3(n,f,r,SLANG_STRING_TYPE,SLANG_STRING_TYPE,SLANG_INT_TYPE) -#define MAKE_INTRINSIC_SIS(n,f,r) \ - MAKE_INTRINSIC_3(n,f,r,SLANG_STRING_TYPE,SLANG_INT_TYPE,SLANG_STRING_TYPE) -#define MAKE_INTRINSIC_SII(n,f,r) \ - MAKE_INTRINSIC_3(n,f,r,SLANG_STRING_TYPE,SLANG_INT_TYPE,SLANG_INT_TYPE) -#define MAKE_INTRINSIC_ISS(n,f,r) \ - MAKE_INTRINSIC_3(n,f,r,SLANG_INT_TYPE,SLANG_STRING_TYPE,SLANG_STRING_TYPE) -#define MAKE_INTRINSIC_ISI(n,f,r) \ - MAKE_INTRINSIC_3(n,f,r,SLANG_INT_TYPE,SLANG_STRING_TYPE,SLANG_INT_TYPE) -#define MAKE_INTRINSIC_IIS(n,f,r) \ - MAKE_INTRINSIC_3(n,f,r,SLANG_INT_TYPE,SLANG_INT_TYPE,SLANG_STRING_TYPE) -#define MAKE_INTRINSIC_III(n,f,r) \ - MAKE_INTRINSIC_3(n,f,r,SLANG_INT_TYPE,SLANG_INT_TYPE,SLANG_INT_TYPE) - -#define MAKE_INTRINSIC(n, f, out, in) \ - MAKE_INTRINSIC_N(n,f,out,in,0,0,0,0,0,0,0) - -#define MAKE_VARIABLE(n, v, t, r) \ - {n, NULL, SLANG_IVARIABLE + (r), (VOID_STAR)(v), (t)} - -#define MAKE_APP_UNARY(n,op) \ - {(n), NULL, SLANG_APP_UNARY, (op)} - -#define MAKE_MATH_UNARY(n,op) \ - {(n), NULL, SLANG_MATH_UNARY, (op)} - -#define MAKE_ICONSTANT(n,val) \ - {(n),NULL, SLANG_ICONSTANT, (val)} - -#define MAKE_DCONSTANT(n,val) \ - {(n),NULL, SLANG_DCONSTANT, (val)} - -#ifndef offsetof -# define offsetof(T,F) ((unsigned int)((char *)&((T *)0L)->F - (char *)0L)) -#endif -#define MAKE_ISTRUCT_FIELD(s,f,n,t,r) {(n), offsetof(s,f), (t), (r)} - -#define SLANG_END_TABLE {NULL} -#define SLANG_END_INTRIN_FUN_TABLE MAKE_INTRINSIC_0(NULL,NULL,0) -#define SLANG_END_DCONST_TABLE MAKE_DCONSTANT(NULL,0) -#define SLANG_END_MATH_UNARY_TABLE MAKE_MATH_UNARY(NULL,0) -#define SLANG_END_INTRIN_VAR_TABLE MAKE_VARIABLE(NULL,NULL,0,0) -#define SLANG_END_ICONST_TABLE MAKE_ICONSTANT(NULL,0) -#define SLANG_END_ISTRUCT_TABLE {NULL, 0, 0, 0} - - - -/*}}}*/ - -/*{{{ Upper/Lowercase Functions */ - -extern void SLang_define_case(int *, int *); -extern void SLang_init_case_tables (void); - -extern unsigned char _SLChg_UCase_Lut[256]; -extern unsigned char _SLChg_LCase_Lut[256]; -#define UPPER_CASE(x) (_SLChg_UCase_Lut[(unsigned char) (x)]) -#define LOWER_CASE(x) (_SLChg_LCase_Lut[(unsigned char) (x)]) -#define CHANGE_CASE(x) (((x) == _SLChg_LCase_Lut[(unsigned char) (x)]) ?\ - _SLChg_UCase_Lut[(unsigned char) (x)] : _SLChg_LCase_Lut[(unsigned char) (x)]) - -/*}}}*/ - -/*{{{ Regular Expression Interface */ - -typedef struct -{ - /* These must be set by calling routine. */ - unsigned char *pat; /* regular expression pattern */ - unsigned char *buf; /* buffer for compiled regexp */ - unsigned int buf_len; /* length of buffer */ - int case_sensitive; /* 1 if match is case sensitive */ - - /* The rest are set by SLang_regexp_compile */ - - int must_match; /* 1 if line must contain substring */ - int must_match_bol; /* true if it must match beginning of line */ - unsigned char must_match_str[16]; /* 15 char null term substring */ - int osearch; /* 1 if ordinary search suffices */ - unsigned int min_length; /* minimum length the match must be */ - int beg_matches[10]; /* offset of start of \( */ - unsigned int end_matches[10]; /* length of nth submatch - * Note that the entire match corresponds - * to \0 - */ - int offset; /* offset to be added to beg_matches */ - int reserved[10]; -} SLRegexp_Type; - -extern unsigned char *SLang_regexp_match(unsigned char *, - unsigned int, - SLRegexp_Type *); - -/* Returns 0 upon success. If failure, the offset into the - * pattern is returned (start = 1). - */ -extern int SLang_regexp_compile (SLRegexp_Type *); -extern char *SLregexp_quote_string (char *, char *, unsigned int); - -/*}}}*/ - -/*{{{ SLang Command Interface */ - -struct _SLcmd_Cmd_Type; /* Pre-declaration is needed below */ -typedef struct -{ - struct _SLcmd_Cmd_Type *table; - int argc; - /* Version 2.0 needs to use a union!! */ - char **string_args; - int *int_args; - double *double_args; - unsigned char *arg_type; - unsigned long reserved[4]; -} SLcmd_Cmd_Table_Type; - -typedef struct _SLcmd_Cmd_Type -{ - int (*cmdfun)(int, SLcmd_Cmd_Table_Type *); - char *cmd; - char *arg_type; -} SLcmd_Cmd_Type; - -extern int SLcmd_execute_string (char *, SLcmd_Cmd_Table_Type *); - -/*}}}*/ - -/*{{{ SLang Search Interface */ - -typedef struct -{ - int cs; /* case sensitive */ - unsigned char key[256]; - int ind[256]; - int key_len; - int dir; -} SLsearch_Type; - -extern int SLsearch_init (char *, int, int, SLsearch_Type *); -/* This routine must first be called before any search can take place. - * The second parameter specifies the direction of the search: greater than - * zero for a forwrd search and less than zero for a backward search. The - * third parameter specifies whether the search is case sensitive or not. - * The last parameter is a pointer to a structure that is filled by this - * function and it is this structure that must be passed to SLsearch. - */ - -extern unsigned char *SLsearch (unsigned char *, unsigned char *, SLsearch_Type *); -/* To use this routine, you must first call 'SLsearch_init'. Then the first - * two parameters p1 and p2 serve to define the region over which the search - * is to take place. The third parameter is the structure that was previously - * initialized by SLsearch_init. - * - * The routine returns a pointer to the match if found otherwise it returns - * NULL. - */ - -/*}}}*/ - -/*{{{ SLang Pathname Interface */ - -/* These function return pointers to the original space */ -extern char *SLpath_basename (char *); -extern char *SLpath_extname (char *); -extern int SLpath_is_absolute_path (char *); - -/* These return malloced strings--- NOT slstrings */ -extern char *SLpath_dircat (char *, char *); -extern char *SLpath_find_file_in_path (char *, char *); -extern char *SLpath_dirname (char *); -extern int SLpath_file_exists (char *); -extern char *SLpath_pathname_sans_extname (char *); - -/*}}}*/ - -extern int SLang_set_module_load_path (char *); - -#define SLANG_MODULE(name) \ - extern int init_##name##_module_ns (char *); \ - extern void deinit_##name##_module (void) - -#if 0 -{ -#endif -#ifdef __cplusplus -} -#endif - -#endif /* _DAVIS_SLANG_H_ */ diff --git a/mdk-stage1/slang/slarith.c b/mdk-stage1/slang/slarith.c deleted file mode 100644 index 07ad68687..000000000 --- a/mdk-stage1/slang/slarith.c +++ /dev/null @@ -1,1656 +0,0 @@ - -/* Copyright (c) 1998, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#include <math.h> - -#ifdef HAVE_LOCALE_H -# include <locale.h> -#endif - -#include "slang.h" -#include "_slang.h" - -/* - * This file defines binary and unary operations on all integer types. - * Supported types include: - * - * SLANG_CHAR_TYPE (char) - * SLANG_SHORT_TYPE (short) - * SLANG_INT_TYPE (int) - * SLANG_LONG_TYPE (long) - * SLANG_FLOAT_TYPE (float) - * SLANG_DOUBLE_TYPE (double) - * - * as well as unsigned types. The result-type of an arithmentic operation - * will depend upon the data types involved. I am going to distinguish - * between the boolean operations such as `and' and `or' from the arithmetic - * operations such as `plus'. Since the result of a boolean operation is - * either 1 or 0, a boolean result will be represented by SLANG_CHAR_TYPE. - * Ordinarily I would use an integer but for arrays it makes more sense to - * use a character data type. - * - * So, the following will be assumed (`+' is any arithmetic operator) - * - * char + char = int - * char|short + short = int - * char|short|int + int = int - * char|short|int|long + long = long - * char|short|int|long|float + float = float - * char|short|int|long|float|double + double = double - * - * In the actual implementation, a brute force approach is avoided. Such - * an approach would mean defining different functions for all possible - * combinations of types. Including the unsigned types, and not including - * the complex number type, there are 10 arithmetic types and 10*10=100 - * different combinations of types. Clearly this would be too much. - * - * One approach would be to define binary functions only between operands of - * the same type and then convert types as appropriate. This would require - * just 6 such functions (int, uint, long, ulong, float, double). - * However, many conversion functions are going to be required, particularly - * since we are going to allow typecasting from one arithmetic to another. - * Since the bit pattern of signed and unsigned types are the same, and only - * the interpretation differs, there will be no functions to convert between - * signed and unsigned forms of a given type. - */ - -#define MAX_ARITHMETIC_TYPES 10 - -unsigned char _SLarith_Is_Arith_Type [256]; - -unsigned char _SLarith_Arith_Types[] = -{ - SLANG_CHAR_TYPE, - SLANG_UCHAR_TYPE, - SLANG_SHORT_TYPE, - SLANG_USHORT_TYPE, - SLANG_INT_TYPE, - SLANG_UINT_TYPE, - SLANG_LONG_TYPE, - SLANG_ULONG_TYPE, - SLANG_FLOAT_TYPE, - SLANG_DOUBLE_TYPE, - 0 -}; - -/* Here are a bunch of functions to convert from one type to another. To - * facilitate the process, a macros will be used. - */ - -#define DEFUN_1(f,from_type,to_type) \ -static void f (to_type *y, from_type *x, unsigned int n) \ -{ \ - unsigned int i; \ - for (i = 0; i < n; i++) y[i] = (to_type) x[i]; \ -} - -#define DEFUN_2(f,from_type,to_type,copy_fun) \ -static VOID_STAR f (VOID_STAR xp, unsigned int n) \ -{ \ - from_type *x; \ - to_type *y; \ - x = (from_type *) xp; \ - if (NULL == (y = (to_type *) SLmalloc (sizeof (to_type) * n))) return NULL; \ - copy_fun (y, x, n); \ - return (VOID_STAR) y; \ -} -typedef VOID_STAR (*Convert_Fun_Type)(VOID_STAR, unsigned int); - -DEFUN_1(copy_char_to_char,char,char) -#if SIZEOF_INT != SIZEOF_SHORT -DEFUN_1(copy_char_to_short,char,short) -DEFUN_1(copy_char_to_ushort,char,unsigned short) -#else -# define copy_char_to_short copy_char_to_int -# define copy_char_to_ushort copy_char_to_uint -#endif -DEFUN_1(copy_char_to_int,char,int) -DEFUN_1(copy_char_to_uint,char,unsigned int) -#if SIZEOF_INT != SIZEOF_LONG -DEFUN_1(copy_char_to_long,char,long) -DEFUN_1(copy_char_to_ulong,char,unsigned long) -#else -# define copy_char_to_long copy_char_to_int -# define copy_char_to_ulong copy_char_to_uint -#endif -DEFUN_1(copy_char_to_float,char,float) -DEFUN_1(copy_char_to_double,char,double) - -#if SIZEOF_INT != SIZEOF_SHORT -DEFUN_1(copy_uchar_to_short,unsigned char,short) -DEFUN_1(copy_uchar_to_ushort,unsigned char,unsigned short) -#else -# define copy_uchar_to_short copy_uchar_to_int -# define copy_uchar_to_ushort copy_uchar_to_uint -#endif -DEFUN_1(copy_uchar_to_int,unsigned char,int) -DEFUN_1(copy_uchar_to_uint,unsigned char,unsigned int) -#if SIZEOF_INT != SIZEOF_LONG -DEFUN_1(copy_uchar_to_long,unsigned char,long) -DEFUN_1(copy_uchar_to_ulong,unsigned char,unsigned long) -#else -# define copy_uchar_to_long copy_uchar_to_int -# define copy_uchar_to_ulong copy_uchar_to_uint -#endif -DEFUN_1(copy_uchar_to_float,unsigned char,float) -DEFUN_1(copy_uchar_to_double,unsigned char,double) - -#if SIZEOF_INT != SIZEOF_SHORT -DEFUN_1(copy_short_to_char,short,char) -DEFUN_1(copy_short_to_uchar,short,unsigned char) -DEFUN_1(copy_short_to_short,short,short) -DEFUN_1(copy_short_to_int,short,int) -DEFUN_1(copy_short_to_uint,short,unsigned int) -DEFUN_1(copy_short_to_long,short,long) -DEFUN_1(copy_short_to_ulong,short,unsigned long) -DEFUN_1(copy_short_to_float,short,float) -DEFUN_1(copy_short_to_double,short,double) -DEFUN_1(copy_ushort_to_char,unsigned short,char) -DEFUN_1(copy_ushort_to_uchar,unsigned short,unsigned char) -DEFUN_1(copy_ushort_to_int,unsigned short,int) -DEFUN_1(copy_ushort_to_uint,unsigned short,unsigned int) -DEFUN_1(copy_ushort_to_long,unsigned short,long) -DEFUN_1(copy_ushort_to_ulong,unsigned short,unsigned long) -DEFUN_1(copy_ushort_to_float,unsigned short,float) -DEFUN_1(copy_ushort_to_double,unsigned short,double) -#else -# define copy_short_to_char copy_int_to_char -# define copy_short_to_uchar copy_int_to_uchar -# define copy_short_to_short copy_int_to_int -# define copy_short_to_int copy_int_to_int -# define copy_short_to_uint copy_int_to_int -# define copy_short_to_long copy_int_to_long -# define copy_short_to_ulong copy_int_to_ulong -# define copy_short_to_float copy_int_to_float -# define copy_short_to_double copy_int_to_double -# define copy_ushort_to_char copy_uint_to_char -# define copy_ushort_to_uchar copy_uint_to_uchar -# define copy_ushort_to_int copy_int_to_int -# define copy_ushort_to_uint copy_int_to_int -# define copy_ushort_to_long copy_uint_to_long -# define copy_ushort_to_ulong copy_uint_to_ulong -# define copy_ushort_to_float copy_uint_to_float -# define copy_ushort_to_double copy_uint_to_double -#endif - -DEFUN_1(copy_int_to_char,int,char) -DEFUN_1(copy_int_to_uchar,int,unsigned char) -DEFUN_1(copy_uint_to_char,unsigned int,char) -DEFUN_1(copy_uint_to_uchar,unsigned int,unsigned char) -#if SIZEOF_INT != SIZEOF_SHORT -DEFUN_1(copy_int_to_short,int,short) -DEFUN_1(copy_int_to_ushort,int,unsigned short) -DEFUN_1(copy_uint_to_short,unsigned int,short) -DEFUN_1(copy_uint_to_ushort,unsigned int,unsigned short) -#else -# define copy_int_to_short copy_int_to_int -# define copy_int_to_ushort copy_int_to_int -# define copy_uint_to_short copy_int_to_int -# define copy_uint_to_ushort copy_int_to_int -#endif -DEFUN_1(copy_int_to_int,int,int) -#if SIZEOF_INT != SIZEOF_LONG -DEFUN_1(copy_int_to_long,int,long) -DEFUN_1(copy_int_to_ulong,int,unsigned long) -DEFUN_1(copy_uint_to_long,unsigned int,long) -DEFUN_1(copy_uint_to_ulong,unsigned int,unsigned long) -#else -# define copy_int_to_long copy_int_to_int -# define copy_int_to_ulong copy_int_to_int -# define copy_uint_to_long copy_int_to_int -# define copy_uint_to_ulong copy_int_to_int -#endif -DEFUN_1(copy_int_to_float,int,float) -DEFUN_1(copy_int_to_double,int,double) -DEFUN_1(copy_uint_to_float,unsigned int,float) -DEFUN_1(copy_uint_to_double,unsigned int,double) - -#if SIZEOF_INT != SIZEOF_LONG -DEFUN_1(copy_long_to_char,long,char) -DEFUN_1(copy_long_to_uchar,long,unsigned char) -DEFUN_1(copy_long_to_short,long,short) -DEFUN_1(copy_long_to_ushort,long,unsigned short) -DEFUN_1(copy_long_to_int,long,int) -DEFUN_1(copy_long_to_uint,long,unsigned int) -DEFUN_1(copy_long_to_long,long,long) -DEFUN_1(copy_long_to_float,long,float) -DEFUN_1(copy_long_to_double,long,double) -DEFUN_1(copy_ulong_to_char,unsigned long,char) -DEFUN_1(copy_ulong_to_uchar,unsigned long,unsigned char) -DEFUN_1(copy_ulong_to_short,unsigned long,short) -DEFUN_1(copy_ulong_to_ushort,unsigned long,unsigned short) -DEFUN_1(copy_ulong_to_int,unsigned long,int) -DEFUN_1(copy_ulong_to_uint,unsigned long,unsigned int) -DEFUN_1(copy_ulong_to_float,unsigned long,float) -DEFUN_1(copy_ulong_to_double,unsigned long,double) -#else -#define copy_long_to_char copy_int_to_char -#define copy_long_to_uchar copy_int_to_uchar -#define copy_long_to_short copy_int_to_short -#define copy_long_to_ushort copy_int_to_ushort -#define copy_long_to_int copy_int_to_int -#define copy_long_to_uint copy_int_to_int -#define copy_long_to_long copy_int_to_int -#define copy_long_to_float copy_int_to_float -#define copy_long_to_double copy_int_to_double -#define copy_ulong_to_char copy_uint_to_char -#define copy_ulong_to_uchar copy_uint_to_uchar -#define copy_ulong_to_short copy_uint_to_short -#define copy_ulong_to_ushort copy_uint_to_ushort -#define copy_ulong_to_int copy_int_to_int -#define copy_ulong_to_uint copy_int_to_int -#define copy_ulong_to_float copy_uint_to_float -#define copy_ulong_to_double copy_uint_to_double -#endif - -DEFUN_1(copy_float_to_char,float,char) -DEFUN_1(copy_float_to_uchar,float,unsigned char) -#if SIZEOF_INT != SIZEOF_SHORT -DEFUN_1(copy_float_to_short,float,short) -DEFUN_1(copy_float_to_ushort,float,unsigned short) -#else -# define copy_float_to_short copy_float_to_int -# define copy_float_to_ushort copy_float_to_uint -#endif -DEFUN_1(copy_float_to_int,float,int) -DEFUN_1(copy_float_to_uint,float,unsigned int) -#if SIZEOF_INT != SIZEOF_LONG -DEFUN_1(copy_float_to_long,float,long) -DEFUN_1(copy_float_to_ulong,float,unsigned long) -#else -# define copy_float_to_long copy_float_to_int -# define copy_float_to_ulong copy_float_to_uint -#endif -DEFUN_1(copy_float_to_float,float,float) -DEFUN_1(copy_float_to_double,float,double) - -DEFUN_1(copy_double_to_char,double,char) -DEFUN_1(copy_double_to_uchar,double,unsigned char) -#if SIZEOF_INT != SIZEOF_SHORT -DEFUN_1(copy_double_to_short,double,short) -DEFUN_1(copy_double_to_ushort,double,unsigned short) -#else -# define copy_double_to_short copy_double_to_int -# define copy_double_to_ushort copy_double_to_uint -#endif -DEFUN_1(copy_double_to_int,double,int) -DEFUN_1(copy_double_to_uint,double,unsigned int) -#if SIZEOF_INT != SIZEOF_LONG -DEFUN_1(copy_double_to_long,double,long) -DEFUN_1(copy_double_to_ulong,double,unsigned long) -#else -# define copy_double_to_long copy_double_to_int -# define copy_double_to_ulong copy_double_to_uint -#endif -DEFUN_1(copy_double_to_float,double,float) -DEFUN_1(copy_double_to_double,double,double) - -DEFUN_2(char_to_int,char,int,copy_char_to_int) -DEFUN_2(char_to_uint,char,unsigned int,copy_char_to_uint) -#if SIZEOF_INT != SIZEOF_LONG -DEFUN_2(char_to_long,char,long,copy_char_to_long) -DEFUN_2(char_to_ulong,char,unsigned long,copy_char_to_ulong) -#else -# define char_to_long char_to_int -# define char_to_ulong char_to_uint -#endif -DEFUN_2(char_to_float,char,float,copy_char_to_float) -DEFUN_2(char_to_double,char,double,copy_char_to_double) - -DEFUN_2(uchar_to_int,unsigned char,int,copy_uchar_to_int) -DEFUN_2(uchar_to_uint,unsigned char,unsigned int,copy_uchar_to_uint) -#if SIZEOF_INT != SIZEOF_LONG -DEFUN_2(uchar_to_long,unsigned char,long,copy_uchar_to_long) -DEFUN_2(uchar_to_ulong,unsigned char,unsigned long,copy_uchar_to_ulong) -#else -# define uchar_to_long uchar_to_int -# define uchar_to_ulong uchar_to_uint -#endif -DEFUN_2(uchar_to_float,unsigned char,float,copy_uchar_to_float) -DEFUN_2(uchar_to_double,unsigned char,double,copy_uchar_to_double) - -#if SIZEOF_INT != SIZEOF_SHORT -DEFUN_2(short_to_int,short,int,copy_short_to_int) -DEFUN_2(short_to_uint,short,unsigned int,copy_short_to_uint) -DEFUN_2(short_to_long,short,long,copy_short_to_long) -DEFUN_2(short_to_ulong,short,unsigned long,copy_short_to_ulong) -DEFUN_2(short_to_float,short,float,copy_short_to_float) -DEFUN_2(short_to_double,short,double,copy_short_to_double) -DEFUN_2(ushort_to_int,unsigned short,int,copy_ushort_to_int) -DEFUN_2(ushort_to_uint,unsigned short,unsigned int,copy_ushort_to_uint) -DEFUN_2(ushort_to_long,unsigned short,long,copy_ushort_to_long) -DEFUN_2(ushort_to_ulong,unsigned short,unsigned long,copy_ushort_to_ulong) -DEFUN_2(ushort_to_float,unsigned short,float,copy_ushort_to_float) -DEFUN_2(ushort_to_double,unsigned short,double,copy_ushort_to_double) -#else -# define short_to_int NULL -# define short_to_uint NULL -# define short_to_long int_to_long -# define short_to_ulong int_to_ulong -# define short_to_float int_to_float -# define short_to_double int_to_double -# define ushort_to_int NULL -# define ushort_to_uint NULL -# define ushort_to_long uint_to_long -# define ushort_to_ulong uint_to_ulong -# define ushort_to_float uint_to_float -# define ushort_to_double uint_to_double -#endif - -#if SIZEOF_INT != SIZEOF_LONG -DEFUN_2(int_to_long,int,long,copy_int_to_long) -DEFUN_2(int_to_ulong,int,unsigned long,copy_int_to_ulong) -#else -# define int_to_long NULL -# define int_to_ulong NULL -#endif -DEFUN_2(int_to_float,int,float,copy_int_to_float) -DEFUN_2(int_to_double,int,double,copy_int_to_double) - -#if SIZEOF_INT != SIZEOF_LONG -DEFUN_2(uint_to_long,unsigned int,long,copy_uint_to_long) -DEFUN_2(uint_to_ulong,unsigned int,unsigned long,copy_uint_to_ulong) -#else -# define uint_to_long NULL -# define uint_to_ulong NULL -#endif -DEFUN_2(uint_to_float,unsigned int,float,copy_uint_to_float) -DEFUN_2(uint_to_double,unsigned int,double,copy_uint_to_double) - -#if SIZEOF_INT != SIZEOF_LONG -DEFUN_2(long_to_float,long,float,copy_long_to_float) -DEFUN_2(long_to_double,long,double,copy_long_to_double) -DEFUN_2(ulong_to_float,unsigned long,float,copy_ulong_to_float) -DEFUN_2(ulong_to_double,unsigned long,double,copy_ulong_to_double) -#else -# define long_to_float int_to_float -# define long_to_double int_to_double -# define ulong_to_float uint_to_float -# define ulong_to_double uint_to_double -#endif - -DEFUN_2(float_to_double,float,double,copy_float_to_double) - -#define TO_DOUBLE_FUN(name,type) \ -static double name (VOID_STAR x) { return (double) *(type *) x; } -TO_DOUBLE_FUN(char_to_one_double,char) -TO_DOUBLE_FUN(uchar_to_one_double,unsigned char) -#if SIZEOF_INT != SIZEOF_SHORT -TO_DOUBLE_FUN(short_to_one_double,short) -TO_DOUBLE_FUN(ushort_to_one_double,unsigned short) -#else -# define short_to_one_double int_to_one_double -# define ushort_to_one_double uint_to_one_double -#endif -TO_DOUBLE_FUN(int_to_one_double,int) -TO_DOUBLE_FUN(uint_to_one_double,unsigned int) -#if SIZEOF_INT != SIZEOF_LONG -TO_DOUBLE_FUN(long_to_one_double,long) -TO_DOUBLE_FUN(ulong_to_one_double,unsigned long) -#else -# define long_to_one_double int_to_one_double -# define ulong_to_one_double uint_to_one_double -#endif -TO_DOUBLE_FUN(float_to_one_double,float) -TO_DOUBLE_FUN(double_to_one_double,double) - -SLang_To_Double_Fun_Type -SLarith_get_to_double_fun (unsigned char type, unsigned int *sizeof_type) -{ - unsigned int da; - SLang_To_Double_Fun_Type to_double; - - switch (type) - { - default: - return NULL; - - case SLANG_CHAR_TYPE: - da = sizeof (char); to_double = char_to_one_double; - break; - case SLANG_UCHAR_TYPE: - da = sizeof (unsigned char); to_double = uchar_to_one_double; - break; - case SLANG_SHORT_TYPE: - da = sizeof (short); to_double = short_to_one_double; - break; - case SLANG_USHORT_TYPE: - da = sizeof (unsigned short); to_double = ushort_to_one_double; - break; - case SLANG_INT_TYPE: - da = sizeof (int); to_double = int_to_one_double; - break; - case SLANG_UINT_TYPE: - da = sizeof (unsigned int); to_double = uint_to_one_double; - break; - case SLANG_LONG_TYPE: - da = sizeof (long); to_double = long_to_one_double; - break; - case SLANG_ULONG_TYPE: - da = sizeof (unsigned long); to_double = ulong_to_one_double; - break; - case SLANG_FLOAT_TYPE: - da = sizeof (float); to_double = float_to_one_double; - break; - case SLANG_DOUBLE_TYPE: - da = sizeof (double); to_double = double_to_one_double; - break; - } - - if (sizeof_type != NULL) *sizeof_type = da; - return to_double; -} - -/* Each element of the matrix determines how the row maps onto the column. - * That is, let the matrix be B_ij. Where the i,j indices refer to - * precedence of the type. Then, - * B_ij->copy_function copies type i to type j. Similarly, - * B_ij->convert_function mallocs a new array of type j and copies i to it. - * - * Since types are always converted to higher levels of precedence for binary - * operations, many of the elements are NULL. - * - * Is the idea clear? - */ -typedef struct -{ - FVOID_STAR copy_function; - Convert_Fun_Type convert_function; -} -Binary_Matrix_Type; - -static Binary_Matrix_Type Binary_Matrix [MAX_ARITHMETIC_TYPES][MAX_ARITHMETIC_TYPES] = -{ - { - {(FVOID_STAR)copy_char_to_char, NULL}, - {(FVOID_STAR)copy_char_to_char, NULL}, - {(FVOID_STAR) copy_char_to_short, NULL}, - {(FVOID_STAR) copy_char_to_ushort, NULL}, - {(FVOID_STAR) copy_char_to_int, char_to_int}, - {(FVOID_STAR) copy_char_to_uint, char_to_uint}, - {(FVOID_STAR) copy_char_to_long, char_to_long}, - {(FVOID_STAR) copy_char_to_ulong, char_to_ulong}, - {(FVOID_STAR) copy_char_to_float, char_to_float}, - {(FVOID_STAR) copy_char_to_double, char_to_double}, - }, - - { - {(FVOID_STAR)copy_char_to_char, NULL}, - {(FVOID_STAR)copy_char_to_char, NULL}, - {(FVOID_STAR) copy_uchar_to_short, NULL}, - {(FVOID_STAR) copy_uchar_to_ushort, NULL}, - {(FVOID_STAR) copy_uchar_to_int, uchar_to_int}, - {(FVOID_STAR) copy_uchar_to_uint, uchar_to_uint}, - {(FVOID_STAR) copy_uchar_to_long, uchar_to_long}, - {(FVOID_STAR) copy_uchar_to_ulong, uchar_to_ulong}, - {(FVOID_STAR) copy_uchar_to_float, uchar_to_float}, - {(FVOID_STAR) copy_uchar_to_double, uchar_to_double}, - }, - - { - {(FVOID_STAR) copy_short_to_char, NULL}, - {(FVOID_STAR) copy_short_to_uchar, NULL}, - {(FVOID_STAR) copy_short_to_short, NULL}, - {(FVOID_STAR) copy_short_to_short, NULL}, - {(FVOID_STAR) copy_short_to_int, short_to_int}, - {(FVOID_STAR) copy_short_to_uint, short_to_uint}, - {(FVOID_STAR) copy_short_to_long, short_to_long}, - {(FVOID_STAR) copy_short_to_ulong, short_to_ulong}, - {(FVOID_STAR) copy_short_to_float, short_to_float}, - {(FVOID_STAR) copy_short_to_double, short_to_double}, - }, - - { - {(FVOID_STAR) copy_ushort_to_char, NULL}, - {(FVOID_STAR) copy_ushort_to_uchar, NULL}, - {(FVOID_STAR) copy_short_to_short, NULL}, - {(FVOID_STAR) copy_short_to_short, NULL}, - {(FVOID_STAR) copy_ushort_to_int, ushort_to_int}, - {(FVOID_STAR) copy_ushort_to_uint, ushort_to_uint}, - {(FVOID_STAR) copy_ushort_to_long, ushort_to_long}, - {(FVOID_STAR) copy_ushort_to_ulong, ushort_to_ulong}, - {(FVOID_STAR) copy_ushort_to_float, ushort_to_float}, - {(FVOID_STAR) copy_ushort_to_double, ushort_to_double}, - }, - - { - {(FVOID_STAR) copy_int_to_char, NULL}, - {(FVOID_STAR) copy_int_to_uchar, NULL}, - {(FVOID_STAR) copy_int_to_short, NULL}, - {(FVOID_STAR) copy_int_to_ushort, NULL}, - {(FVOID_STAR) copy_int_to_int, NULL}, - {(FVOID_STAR) copy_int_to_int, NULL}, - {(FVOID_STAR) copy_int_to_long, int_to_long}, - {(FVOID_STAR) copy_int_to_ulong, int_to_ulong}, - {(FVOID_STAR) copy_int_to_float, int_to_float}, - {(FVOID_STAR) copy_int_to_double, int_to_double}, - }, - - { - {(FVOID_STAR) copy_uint_to_char, NULL}, - {(FVOID_STAR) copy_uint_to_uchar, NULL}, - {(FVOID_STAR) copy_uint_to_short, NULL}, - {(FVOID_STAR) copy_uint_to_ushort, NULL}, - {(FVOID_STAR) copy_int_to_int, NULL}, - {(FVOID_STAR) copy_int_to_int, NULL}, - {(FVOID_STAR) copy_uint_to_long, uint_to_long}, - {(FVOID_STAR) copy_uint_to_ulong, uint_to_ulong}, - {(FVOID_STAR) copy_uint_to_float, uint_to_float}, - {(FVOID_STAR) copy_uint_to_double, uint_to_double}, - }, - - { - {(FVOID_STAR) copy_long_to_char, NULL}, - {(FVOID_STAR) copy_long_to_uchar, NULL}, - {(FVOID_STAR) copy_long_to_short, NULL}, - {(FVOID_STAR) copy_long_to_ushort, NULL}, - {(FVOID_STAR) copy_long_to_int, NULL}, - {(FVOID_STAR) copy_long_to_uint, NULL}, - {(FVOID_STAR) copy_long_to_long, NULL}, - {(FVOID_STAR) copy_long_to_long, NULL}, - {(FVOID_STAR) copy_long_to_float, long_to_float}, - {(FVOID_STAR) copy_long_to_double, long_to_double}, - }, - - { - {(FVOID_STAR) copy_ulong_to_char, NULL}, - {(FVOID_STAR) copy_ulong_to_uchar, NULL}, - {(FVOID_STAR) copy_ulong_to_short, NULL}, - {(FVOID_STAR) copy_ulong_to_ushort, NULL}, - {(FVOID_STAR) copy_ulong_to_int, NULL}, - {(FVOID_STAR) copy_ulong_to_uint, NULL}, - {(FVOID_STAR) copy_long_to_long, NULL}, - {(FVOID_STAR) copy_long_to_long, NULL}, - {(FVOID_STAR) copy_ulong_to_float, ulong_to_float}, - {(FVOID_STAR) copy_ulong_to_double, ulong_to_double}, - }, - - { - {(FVOID_STAR) copy_float_to_char, NULL}, - {(FVOID_STAR) copy_float_to_uchar, NULL}, - {(FVOID_STAR) copy_float_to_short, NULL}, - {(FVOID_STAR) copy_float_to_ushort, NULL}, - {(FVOID_STAR) copy_float_to_int, NULL}, - {(FVOID_STAR) copy_float_to_uint, NULL}, - {(FVOID_STAR) copy_float_to_long, NULL}, - {(FVOID_STAR) copy_float_to_ulong, NULL}, - {(FVOID_STAR) copy_float_to_float, NULL}, - {(FVOID_STAR) copy_float_to_double, float_to_double}, - }, - - { - {(FVOID_STAR) copy_double_to_char, NULL}, - {(FVOID_STAR) copy_double_to_uchar, NULL}, - {(FVOID_STAR) copy_double_to_short, NULL}, - {(FVOID_STAR) copy_double_to_ushort, NULL}, - {(FVOID_STAR) copy_double_to_int, NULL}, - {(FVOID_STAR) copy_double_to_uint, NULL}, - {(FVOID_STAR) copy_double_to_long, NULL}, - {(FVOID_STAR) copy_double_to_ulong, NULL}, - {(FVOID_STAR) copy_double_to_float, NULL}, - {(FVOID_STAR) copy_double_to_double, NULL}, - } -}; - -#define GENERIC_BINARY_FUNCTION int_int_bin_op -#define GENERIC_BIT_OPERATIONS -#define GENERIC_TYPE int -#define POW_FUNCTION(a,b) pow((double)(a),(double)(b)) -#define POW_RESULT_TYPE double -#define ABS_FUNCTION abs -#define MOD_FUNCTION(a,b) ((a) % (b)) -#define GENERIC_UNARY_FUNCTION int_unary_op -#define SIGN_FUNCTION(x) (((x) > 0) ? 1 : (((x) < 0) ? -1 : 0)) -#define SCALAR_BINARY_FUNCTION int_int_scalar_bin_op -#define PUSH_SCALAR_OBJ_FUN(x) SLclass_push_int_obj(SLANG_INT_TYPE,(x)) -#define PUSH_POW_OBJ_FUN(x) SLclass_push_double_obj(SLANG_DOUBLE_TYPE, (x)) -#define CMP_FUNCTION int_cmp_function -#include "slarith.inc" - -#define GENERIC_BINARY_FUNCTION uint_uint_bin_op -#define GENERIC_BIT_OPERATIONS -#define GENERIC_TYPE unsigned int -#define POW_FUNCTION(a,b) pow((double)(a),(double)(b)) -#define POW_RESULT_TYPE double -#define MOD_FUNCTION(a,b) ((a) % (b)) -#define GENERIC_UNARY_FUNCTION uint_unary_op -#define ABS_FUNCTION(a) (a) -#define SIGN_FUNCTION(x) (((x) > 0) ? 1 : 0) -#define SCALAR_BINARY_FUNCTION uint_uint_scalar_bin_op -#define PUSH_SCALAR_OBJ_FUN(x) SLclass_push_int_obj(SLANG_UINT_TYPE,(int)(x)) -#define PUSH_POW_OBJ_FUN(x) SLclass_push_double_obj(SLANG_DOUBLE_TYPE, (x)) -#define CMP_FUNCTION uint_cmp_function -#include "slarith.inc" - -#if SIZEOF_LONG != SIZEOF_INT -#define GENERIC_BINARY_FUNCTION long_long_bin_op -#define GENERIC_BIT_OPERATIONS -#define GENERIC_TYPE long -#define POW_FUNCTION(a,b) pow((double)(a),(double)(b)) -#define POW_RESULT_TYPE double -#define MOD_FUNCTION(a,b) ((a) % (b)) -#define GENERIC_UNARY_FUNCTION long_unary_op -#define ABS_FUNCTION(a) (((a) >= 0) ? (a) : -(a)) -#define SIGN_FUNCTION(x) (((x) > 0) ? 1 : (((x) < 0) ? -1 : 0)) -#define SCALAR_BINARY_FUNCTION long_long_scalar_bin_op -#define PUSH_SCALAR_OBJ_FUN(x) SLclass_push_long_obj(SLANG_LONG_TYPE,(x)) -#define PUSH_POW_OBJ_FUN(x) SLclass_push_double_obj(SLANG_DOUBLE_TYPE, (x)) -#define CMP_FUNCTION long_cmp_function -#include "slarith.inc" - -#define GENERIC_BINARY_FUNCTION ulong_ulong_bin_op -#define GENERIC_BIT_OPERATIONS -#define GENERIC_TYPE unsigned long -#define POW_FUNCTION(a,b) pow((double)(a),(double)(b)) -#define POW_RESULT_TYPE double -#define MOD_FUNCTION(a,b) ((a) % (b)) -#define GENERIC_UNARY_FUNCTION ulong_unary_op -#define ABS_FUNCTION(a) (a) -#define SIGN_FUNCTION(x) (((x) > 0) ? 1 : 0) -#define SCALAR_BINARY_FUNCTION ulong_ulong_scalar_bin_op -#define PUSH_SCALAR_OBJ_FUN(x) SLclass_push_long_obj(SLANG_ULONG_TYPE,(long)(x)) -#define PUSH_POW_OBJ_FUN(x) SLclass_push_double_obj(SLANG_DOUBLE_TYPE, (x)) -#define CMP_FUNCTION ulong_cmp_function -#include "slarith.inc" -#else -#define long_long_bin_op int_int_bin_op -#define ulong_ulong_bin_op uint_uint_bin_op -#define long_unary_op int_unary_op -#define ulong_unary_op uint_unary_op -#define long_cmp_function int_cmp_function -#define ulong_cmp_function uint_cmp_function -#endif /* SIZEOF_INT != SIZEOF_LONG */ - -#define GENERIC_BINARY_FUNCTION float_float_bin_op -#define GENERIC_TYPE float -#define POW_FUNCTION(a,b) (float)pow((double)(a),(double)(b)) -#define POW_RESULT_TYPE float -#define MOD_FUNCTION(a,b) (float)fmod((a),(b)) -#define GENERIC_UNARY_FUNCTION float_unary_op -#define ABS_FUNCTION(a) (float)fabs((double) a) -#define SIGN_FUNCTION(x) (((x) > 0) ? 1 : (((x) < 0) ? -1 : 0)) -#define SCALAR_BINARY_FUNCTION float_float_scalar_bin_op -#define PUSH_SCALAR_OBJ_FUN(x) SLclass_push_float_obj(SLANG_FLOAT_TYPE,(x)) -#define PUSH_POW_OBJ_FUN(x) SLclass_push_float_obj(SLANG_FLOAT_TYPE, (x)) -#define CMP_FUNCTION float_cmp_function -#include "slarith.inc" - -#define GENERIC_BINARY_FUNCTION double_double_bin_op -#define GENERIC_TYPE double -#define POW_FUNCTION(a,b) pow((double)(a),(double)(b)) -#define POW_RESULT_TYPE double -#define MOD_FUNCTION(a,b) (float)fmod((a),(b)) -#define GENERIC_UNARY_FUNCTION double_unary_op -#define ABS_FUNCTION(a) fabs(a) -#define SIGN_FUNCTION(x) (((x) > 0) ? 1 : (((x) < 0) ? -1 : 0)) -#define SCALAR_BINARY_FUNCTION double_double_scalar_bin_op -#define PUSH_SCALAR_OBJ_FUN(x) SLclass_push_double_obj(SLANG_DOUBLE_TYPE,(x)) -#define PUSH_POW_OBJ_FUN(x) SLclass_push_double_obj(SLANG_DOUBLE_TYPE, (x)) -#define CMP_FUNCTION double_cmp_function -#include "slarith.inc" - -#define GENERIC_UNARY_FUNCTION char_unary_op -#define GENERIC_BIT_OPERATIONS -#define GENERIC_TYPE signed char -#define ABS_FUNCTION abs -#define SIGN_FUNCTION(x) (((x) > 0) ? 1 : (((x) < 0) ? -1 : 0)) -#define CMP_FUNCTION char_cmp_function -#include "slarith.inc" - -#define GENERIC_UNARY_FUNCTION uchar_unary_op -#define GENERIC_BIT_OPERATIONS -#define GENERIC_TYPE unsigned char -#define ABS_FUNCTION(x) (x) -#define SIGN_FUNCTION(x) (((x) > 0) ? 1 : 0) -#define CMP_FUNCTION uchar_cmp_function -#include "slarith.inc" - -#if SIZEOF_SHORT != SIZEOF_INT -#define GENERIC_UNARY_FUNCTION short_unary_op -#define GENERIC_BIT_OPERATIONS -#define GENERIC_TYPE short -#define ABS_FUNCTION abs -#define SIGN_FUNCTION(x) (((x) > 0) ? 1 : (((x) < 0) ? -1 : 0)) -#define CMP_FUNCTION short_cmp_function -#include "slarith.inc" - -#define GENERIC_UNARY_FUNCTION ushort_unary_op -#define GENERIC_BIT_OPERATIONS -#define GENERIC_TYPE unsigned short -#define ABS_FUNCTION(x) (x) -#define SIGN_FUNCTION(x) (((x) > 0) ? 1 : 0) -#define CMP_FUNCTION ushort_cmp_function -#include "slarith.inc" -#endif /* SIZEOF_INT != SIZEOF_SHORT */ - -/* Unfortunately, the numbers that were assigned to the data-types were - * not well thought out. So, I need to use the following table. - */ -#define MAXIMUM_ARITH_TYPE_VALUE SLANG_FLOAT_TYPE -#define IS_INTEGER_TYPE(x) \ - (((x) <= MAXIMUM_ARITH_TYPE_VALUE) \ - && (Type_Precedence_Table[x] < 8) && (Type_Precedence_Table[x] != -1)) -#define IS_ARITHMETIC_TYPE(x) \ - (((x) <= MAXIMUM_ARITH_TYPE_VALUE) && (Type_Precedence_Table[x] != -1)) - -#define LONG_PRECEDENCE_VALUE 6 -#define FLOAT_PRECEDENCE_VALUE 8 - -static signed char Type_Precedence_Table [MAXIMUM_ARITH_TYPE_VALUE + 1] = -{ - -1, /* SLANG_UNDEFINED_TYPE */ - -1, /* SLANG_VOID_TYPE */ - 4, /* SLANG_INT_TYPE */ - 9, /* SLANG_DOUBLE_TYPE */ - 0, /* SLANG_CHAR_TYPE */ - -1, /* SLANG_INTP_TYPE */ - -1, /* SLANG_REF_TYPE */ - -1, /* SLANG_COMPLEX_TYPE */ - -1, /* SLANG_NULL_TYPE */ - 1, /* SLANG_UCHAR_TYPE */ - 2, /* SLANG_SHORT_TYPE */ - 3, /* SLANG_USHORT_TYPE */ - 5, /* SLANG_UINT_TYPE */ - 6, /* SLANG_LONG_TYPE */ - 7, /* SLANG_ULONG_TYPE */ - -1, /* SLANG_STRING_TYPE */ - 8 /* SLANG_FLOAT_TYPE */ -}; - -int _SLarith_get_precedence (unsigned char type) -{ - if (type > MAXIMUM_ARITH_TYPE_VALUE) - return -1; - - return Type_Precedence_Table[type]; -} - -unsigned char _SLarith_promote_type (unsigned char t) -{ - switch (t) - { - case SLANG_FLOAT_TYPE: - case SLANG_DOUBLE_TYPE: - case SLANG_LONG_TYPE: - case SLANG_ULONG_TYPE: - case SLANG_INT_TYPE: - case SLANG_UINT_TYPE: - break; - - case SLANG_USHORT_TYPE: -#if SIZEOF_INT == SIZEOF_SHORT - t = SLANG_UINT_TYPE; - break; -#endif - /* drop */ - case SLANG_CHAR_TYPE: - case SLANG_UCHAR_TYPE: - case SLANG_SHORT_TYPE: - default: - t = SLANG_INT_TYPE; - } - - return t; -} - -static unsigned char promote_to_common_type (unsigned char a, unsigned char b) -{ - a = _SLarith_promote_type (a); - b = _SLarith_promote_type (b); - - return (Type_Precedence_Table[a] > Type_Precedence_Table[b]) ? a : b; -} - -static int arith_bin_op_result (int op, unsigned char a_type, unsigned char b_type, - unsigned char *c_type) -{ - switch (op) - { - case SLANG_EQ: - case SLANG_NE: - case SLANG_GT: - case SLANG_GE: - case SLANG_LT: - case SLANG_LE: - case SLANG_OR: - case SLANG_AND: - *c_type = SLANG_CHAR_TYPE; - return 1; - - case SLANG_POW: - if (SLANG_FLOAT_TYPE == promote_to_common_type (a_type, b_type)) - *c_type = SLANG_FLOAT_TYPE; - else - *c_type = SLANG_DOUBLE_TYPE; - return 1; - - case SLANG_BAND: - case SLANG_BXOR: - case SLANG_BOR: - case SLANG_SHL: - case SLANG_SHR: - /* The bit-level operations are defined just for integer types */ - if ((0 == IS_INTEGER_TYPE (a_type)) - || (0 == IS_INTEGER_TYPE(b_type))) - return 0; - break; - - default: - break; - } - - *c_type = promote_to_common_type (a_type, b_type); - return 1; -} - -typedef int (*Bin_Fun_Type) (int, - unsigned char, VOID_STAR, unsigned int, - unsigned char, VOID_STAR, unsigned int, - VOID_STAR); - -/* This array of functions must be indexed by precedence after arithmetic - * promotions. - */ -static Bin_Fun_Type Bin_Fun_Map [MAX_ARITHMETIC_TYPES] = -{ - NULL, - NULL, - NULL, - NULL, - int_int_bin_op, - uint_uint_bin_op, - long_long_bin_op, - ulong_ulong_bin_op, - float_float_bin_op, - double_double_bin_op -}; - -static int arith_bin_op (int op, - unsigned char a_type, VOID_STAR ap, unsigned int na, - unsigned char b_type, VOID_STAR bp, unsigned int nb, - VOID_STAR cp) -{ - Convert_Fun_Type af, bf; - Bin_Fun_Type binfun; - int a_indx, b_indx, c_indx; - unsigned char c_type; - int ret; - - c_type = promote_to_common_type (a_type, b_type); - - a_indx = Type_Precedence_Table [a_type]; - b_indx = Type_Precedence_Table [b_type]; - c_indx = Type_Precedence_Table [c_type]; - - af = Binary_Matrix[a_indx][c_indx].convert_function; - bf = Binary_Matrix[b_indx][c_indx].convert_function; - binfun = Bin_Fun_Map[c_indx]; - - if ((af != NULL) - && (NULL == (ap = (VOID_STAR) (*af) (ap, na)))) - return -1; - - if ((bf != NULL) - && (NULL == (bp = (VOID_STAR) (*bf) (bp, nb)))) - { - if (af != NULL) SLfree ((char *) ap); - return -1; - } - - ret = (*binfun) (op, a_type, ap, na, b_type, bp, nb, cp); - if (af != NULL) SLfree ((char *) ap); - if (bf != NULL) SLfree ((char *) bp); - - return ret; -} - -static int arith_unary_op_result (int op, unsigned char a, unsigned char *b) -{ - (void) a; - switch (op) - { - default: - return 0; - - case SLANG_SQR: - case SLANG_MUL2: - case SLANG_PLUSPLUS: - case SLANG_MINUSMINUS: - case SLANG_CHS: - case SLANG_ABS: - *b = a; - break; - - case SLANG_NOT: - case SLANG_BNOT: - if (0 == IS_INTEGER_TYPE(a)) - return 0; - *b = a; - break; - - case SLANG_SIGN: - *b = SLANG_INT_TYPE; - break; - } - return 1; -} - -static int integer_pop (unsigned char type, VOID_STAR ptr) -{ - SLang_Object_Type obj; - int i, j; - void (*f)(VOID_STAR, VOID_STAR, unsigned int); - - if (-1 == SLang_pop (&obj)) - return -1; - - if ((obj.data_type > MAXIMUM_ARITH_TYPE_VALUE) - || ((j = Type_Precedence_Table[obj.data_type]) == -1) - || (j >= FLOAT_PRECEDENCE_VALUE)) - { - _SLclass_type_mismatch_error (type, obj.data_type); - SLang_free_object (&obj); - return -1; - } - - i = Type_Precedence_Table[type]; - f = (void (*)(VOID_STAR, VOID_STAR, unsigned int)) - Binary_Matrix[j][i].copy_function; - - (*f) (ptr, (VOID_STAR)&obj.v, 1); - - return 0; -} - -static int integer_push (unsigned char type, VOID_STAR ptr) -{ - SLang_Object_Type obj; - int i; - void (*f)(VOID_STAR, VOID_STAR, unsigned int); - - i = Type_Precedence_Table[type]; - f = (void (*)(VOID_STAR, VOID_STAR, unsigned int)) - Binary_Matrix[i][i].copy_function; - - obj.data_type = type; - - (*f) ((VOID_STAR)&obj.v, ptr, 1); - - return SLang_push (&obj); -} - -int SLang_pop_char (char *i) -{ - return integer_pop (SLANG_CHAR_TYPE, (VOID_STAR) i); -} - -int SLang_pop_uchar (unsigned char *i) -{ - return integer_pop (SLANG_UCHAR_TYPE, (VOID_STAR) i); -} - -int SLang_pop_short (short *i) -{ - return integer_pop (SLANG_SHORT_TYPE, (VOID_STAR) i); -} - -int SLang_pop_ushort (unsigned short *i) -{ - return integer_pop (SLANG_USHORT_TYPE, (VOID_STAR) i); -} - -int SLang_pop_long (long *i) -{ - return integer_pop (SLANG_LONG_TYPE, (VOID_STAR) i); -} - -int SLang_pop_ulong (unsigned long *i) -{ - return integer_pop (SLANG_ULONG_TYPE, (VOID_STAR) i); -} - -int SLang_pop_integer (int *i) -{ -#if _SLANG_OPTIMIZE_FOR_SPEED - SLang_Object_Type obj; - - if (-1 == _SLang_pop_object_of_type (SLANG_INT_TYPE, &obj, 0)) - return -1; - *i = obj.v.int_val; - return 0; -#else - return integer_pop (SLANG_INT_TYPE, (VOID_STAR) i); -#endif -} - -int SLang_pop_uinteger (unsigned int *i) -{ - return integer_pop (SLANG_UINT_TYPE, (VOID_STAR) i); -} - -int SLang_push_integer (int i) -{ - return SLclass_push_int_obj (SLANG_INT_TYPE, i); -} -int SLang_push_uinteger (unsigned int i) -{ - return SLclass_push_int_obj (SLANG_UINT_TYPE, (int) i); -} -int SLang_push_char (char i) -{ - return SLclass_push_char_obj (SLANG_CHAR_TYPE, i); -} -int SLang_push_uchar (unsigned char i) -{ - return SLclass_push_char_obj (SLANG_UCHAR_TYPE, (char) i); -} -int SLang_push_short (short i) -{ - return SLclass_push_short_obj (SLANG_SHORT_TYPE, i); -} -int SLang_push_ushort (unsigned short i) -{ - return SLclass_push_short_obj (SLANG_USHORT_TYPE, (unsigned short) i); -} -int SLang_push_long (long i) -{ - return SLclass_push_long_obj (SLANG_LONG_TYPE, i); -} -int SLang_push_ulong (unsigned long i) -{ - return SLclass_push_long_obj (SLANG_ULONG_TYPE, (long) i); -} - -_INLINE_ -int _SLarith_typecast (unsigned char a_type, VOID_STAR ap, unsigned int na, - unsigned char b_type, VOID_STAR bp) -{ - int i, j; - - void (*copy)(VOID_STAR, VOID_STAR, unsigned int); - - i = Type_Precedence_Table[a_type]; - j = Type_Precedence_Table[b_type]; - - copy = (void (*)(VOID_STAR, VOID_STAR, unsigned int)) - Binary_Matrix[i][j].copy_function; - - (*copy) (bp, ap, na); - return 1; -} - -#if SLANG_HAS_FLOAT - -int SLang_pop_double(double *x, int *convertp, int *ip) -{ - SLang_Object_Type obj; - int i, convert; - - if (0 != SLang_pop (&obj)) - return -1; - - i = 0; - convert = 0; - - switch (obj.data_type) - { - case SLANG_FLOAT_TYPE: - *x = (double) obj.v.float_val; - break; - - case SLANG_DOUBLE_TYPE: - *x = obj.v.double_val; - break; - - case SLANG_INT_TYPE: - i = (int) obj.v.long_val; - *x = (double) i; - convert = 1; - break; - - case SLANG_CHAR_TYPE: *x = (double) obj.v.char_val; break; - case SLANG_UCHAR_TYPE: *x = (double) obj.v.uchar_val; break; - case SLANG_SHORT_TYPE: *x = (double) obj.v.short_val; break; - case SLANG_USHORT_TYPE: *x = (double) obj.v.ushort_val; break; - case SLANG_UINT_TYPE: *x = (double) obj.v.uint_val; break; - case SLANG_LONG_TYPE: *x = (double) obj.v.long_val; break; - case SLANG_ULONG_TYPE: *x = (double) obj.v.ulong_val; break; - - default: - _SLclass_type_mismatch_error (SLANG_DOUBLE_TYPE, obj.data_type); - SLang_free_object (&obj); - return -1; - } - - if (convertp != NULL) *convertp = convert; - if (ip != NULL) *ip = i; - - return 0; -} - -int SLang_push_double (double x) -{ - return SLclass_push_double_obj (SLANG_DOUBLE_TYPE, x); -} - -int SLang_pop_float (float *x) -{ - double d; - - /* Pop it as a double and let the double function do all the typcasting */ - if (-1 == SLang_pop_double (&d, NULL, NULL)) - return -1; - - *x = (float) d; - return 0; -} - -int SLang_push_float (float f) -{ - return SLclass_push_float_obj (SLANG_FLOAT_TYPE, (double) f); -} - -/* Double */ -static int double_push (unsigned char unused, VOID_STAR ptr) -{ - (void) unused; - SLang_push_double (*(double *) ptr); - return 0; -} - -static int double_push_literal (unsigned char type, VOID_STAR ptr) -{ - (void) type; - return SLang_push_double (**(double **)ptr); -} - -static int double_pop (unsigned char unused, VOID_STAR ptr) -{ - (void) unused; - return SLang_pop_double ((double *) ptr, NULL, NULL); -} - -static void double_byte_code_destroy (unsigned char unused, VOID_STAR ptr) -{ - (void) unused; - SLfree (*(char **) ptr); -} - -static int float_push (unsigned char unused, VOID_STAR ptr) -{ - (void) unused; - SLang_push_float (*(float *) ptr); - return 0; -} - -static int float_pop (unsigned char unused, VOID_STAR ptr) -{ - (void) unused; - return SLang_pop_float ((float *) ptr); -} - -#endif /* SLANG_HAS_FLOAT */ - -#if SLANG_HAS_FLOAT -static char Double_Format[16] = "%g"; - -void _SLset_double_format (char *s) -{ - strncpy (Double_Format, s, 15); - Double_Format[15] = 0; -} -#endif - -static char *arith_string (unsigned char type, VOID_STAR v) -{ - char buf [256]; - char *s; - - s = buf; - - switch (type) - { - default: - s = SLclass_get_datatype_name (type); - break; - - case SLANG_CHAR_TYPE: - sprintf (s, "%d", *(char *) v); - break; - case SLANG_UCHAR_TYPE: - sprintf (s, "%u", *(unsigned char *) v); - break; - case SLANG_SHORT_TYPE: - sprintf (s, "%d", *(short *) v); - break; - case SLANG_USHORT_TYPE: - sprintf (s, "%u", *(unsigned short *) v); - break; - case SLANG_INT_TYPE: - sprintf (s, "%d", *(int *) v); - break; - case SLANG_UINT_TYPE: - sprintf (s, "%u", *(unsigned int *) v); - break; - case SLANG_LONG_TYPE: - sprintf (s, "%ld", *(long *) v); - break; - case SLANG_ULONG_TYPE: - sprintf (s, "%lu", *(unsigned long *) v); - break; -#if SLANG_HAS_FLOAT - case SLANG_FLOAT_TYPE: - if (EOF == _SLsnprintf (buf, sizeof (buf), Double_Format, *(float *) v)) - sprintf (s, "%e", *(float *) v); - break; - case SLANG_DOUBLE_TYPE: - if (EOF == _SLsnprintf (buf, sizeof (buf), Double_Format, *(double *) v)) - sprintf (s, "%e", *(double *) v); - break; -#endif - } - - return SLmake_string (s); -} - -static int integer_to_bool (unsigned char type, int *t) -{ - (void) type; - return SLang_pop_integer (t); -} - -static int push_int_literal (unsigned char type, VOID_STAR ptr) -{ - return SLclass_push_int_obj (type, (int) *(long *) ptr); -} - -static int push_char_literal (unsigned char type, VOID_STAR ptr) -{ - return SLclass_push_char_obj (type, (char) *(long *) ptr); -} - -#if SIZEOF_SHORT != SIZEOF_INT -static int push_short_literal (unsigned char type, VOID_STAR ptr) -{ - return SLclass_push_short_obj (type, (short) *(long *) ptr); -} -#endif - -#if SIZEOF_INT != SIZEOF_LONG -static int push_long_literal (unsigned char type, VOID_STAR ptr) -{ - return SLclass_push_long_obj (type, *(long *) ptr); -} -#endif - -typedef struct -{ - char *name; - unsigned char data_type; - unsigned int sizeof_type; - int (*unary_fun)(int, unsigned char, VOID_STAR, unsigned int, VOID_STAR); - int (*push_literal) (unsigned char, VOID_STAR); - int (*cmp_fun) (unsigned char, VOID_STAR, VOID_STAR, int *); -} -Integer_Info_Type; - -static Integer_Info_Type Integer_Types [8] = -{ - {"Char_Type", SLANG_CHAR_TYPE, sizeof (char), char_unary_op, push_char_literal, char_cmp_function}, - {"UChar_Type", SLANG_UCHAR_TYPE, sizeof (unsigned char), uchar_unary_op, push_char_literal, uchar_cmp_function}, -#if SIZEOF_INT != SIZEOF_SHORT - {"Short_Type", SLANG_SHORT_TYPE, sizeof (short), short_unary_op, push_short_literal, short_cmp_function}, - {"UShort_Type", SLANG_USHORT_TYPE, sizeof (unsigned short), ushort_unary_op, push_short_literal, ushort_cmp_function}, -#else - {NULL, SLANG_SHORT_TYPE}, - {NULL, SLANG_USHORT_TYPE}, -#endif - - {"Integer_Type", SLANG_INT_TYPE, sizeof (int), int_unary_op, push_int_literal, int_cmp_function}, - {"UInteger_Type", SLANG_UINT_TYPE, sizeof (unsigned int), uint_unary_op, push_int_literal, uint_cmp_function}, - -#if SIZEOF_INT != SIZEOF_LONG - {"Long_Type", SLANG_LONG_TYPE, sizeof (long), long_unary_op, push_long_literal, long_cmp_function}, - {"ULong_Type", SLANG_ULONG_TYPE, sizeof (unsigned long), ulong_unary_op, push_long_literal, ulong_cmp_function} -#else - {NULL, SLANG_LONG_TYPE, 0, NULL, NULL, NULL}, - {NULL, SLANG_ULONG_TYPE, 0, NULL, NULL, NULL} -#endif -}; - -static int create_synonyms (void) -{ - static char *names[8] = - { - "Int16_Type", "UInt16_Type", "Int32_Type", "UInt32_Type", - "Int64_Type", "UInt64_Type", - "Float32_Type", "Float64_Type" - }; - int types[8]; - unsigned int i; - - memset ((char *) types, 0, sizeof (types)); - - /* The assumption is that sizeof(unsigned X) == sizeof (X) */ -#if SIZEOF_INT == 2 - types[0] = SLANG_INT_TYPE; - types[1] = SLANG_UINT_TYPE; -#else -# if SIZEOF_SHORT == 2 - types[0] = SLANG_SHORT_TYPE; - types[1] = SLANG_USHORT_TYPE; -# else -# if SIZEOF_LONG == 2 - types[0] = SLANG_LONG_TYPE; - types[1] = SLANG_ULONG_TYPE; -# endif -# endif -#endif - -#if SIZEOF_INT == 4 - types[2] = SLANG_INT_TYPE; - types[3] = SLANG_UINT_TYPE; -#else -# if SIZEOF_SHORT == 4 - types[2] = SLANG_SHORT_TYPE; - types[3] = SLANG_USHORT_TYPE; -# else -# if SIZEOF_LONG == 4 - types[2] = SLANG_LONG_TYPE; - types[3] = SLANG_ULONG_TYPE; -# endif -# endif -#endif - -#if SIZEOF_INT == 8 - types[4] = SLANG_INT_TYPE; - types[5] = SLANG_UINT_TYPE; -#else -# if SIZEOF_SHORT == 8 - types[4] = SLANG_SHORT_TYPE; - types[5] = SLANG_USHORT_TYPE; -# else -# if SIZEOF_LONG == 8 - types[4] = SLANG_LONG_TYPE; - types[5] = SLANG_ULONG_TYPE; -# endif -# endif -#endif - -#if SLANG_HAS_FLOAT - -#if SIZEOF_FLOAT == 4 - types[6] = SLANG_FLOAT_TYPE; -#else -# if SIZEOF_DOUBLE == 4 - types[6] = SLANG_DOUBLE_TYPE; -# endif -#endif -#if SIZEOF_FLOAT == 8 - types[7] = SLANG_FLOAT_TYPE; -#else -# if SIZEOF_DOUBLE == 8 - types[7] = SLANG_DOUBLE_TYPE; -# endif -#endif - -#endif - - if ((-1 == SLclass_create_synonym ("Int_Type", SLANG_INT_TYPE)) - || (-1 == SLclass_create_synonym ("UInt_Type", SLANG_UINT_TYPE))) - return -1; - - for (i = 0; i < 8; i++) - { - if (types[i] == 0) continue; - - if (-1 == SLclass_create_synonym (names[i], types[i])) - return -1; - } - -#if SIZEOF_INT == SIZEOF_SHORT - if ((-1 == SLclass_create_synonym ("Short_Type", SLANG_INT_TYPE)) - || (-1 == SLclass_create_synonym ("UShort_Type", SLANG_UINT_TYPE)) - || (-1 == _SLclass_copy_class (SLANG_SHORT_TYPE, SLANG_INT_TYPE)) - || (-1 == _SLclass_copy_class (SLANG_USHORT_TYPE, SLANG_UINT_TYPE))) - return -1; -#endif -#if SIZEOF_INT == SIZEOF_LONG - if ((-1 == SLclass_create_synonym ("Long_Type", SLANG_INT_TYPE)) - || (-1 == SLclass_create_synonym ("ULong_Type", SLANG_UINT_TYPE)) - || (-1 == _SLclass_copy_class (SLANG_LONG_TYPE, SLANG_INT_TYPE)) - || (-1 == _SLclass_copy_class (SLANG_ULONG_TYPE, SLANG_UINT_TYPE))) - return -1; -#endif - return 0; -} - -int _SLarith_register_types (void) -{ - SLang_Class_Type *cl; - int a_type, b_type; - int i, j; - -#if defined(HAVE_SETLOCALE) && defined(LC_NUMERIC) - /* make sure decimal point it used --- the parser requires it */ - (void) setlocale (LC_NUMERIC, "C"); -#endif - - for (i = 0; i < 8; i++) - { - Integer_Info_Type *info; - - info = Integer_Types + i; - - if (info->name == NULL) - { - /* This happens when the object is the same size as an integer - * For this case, we really want to copy the integer class. - * We will handle that when the synonym is created. - */ - continue; - } - - if (NULL == (cl = SLclass_allocate_class (info->name))) - return -1; - - (void) SLclass_set_string_function (cl, arith_string); - (void) SLclass_set_push_function (cl, integer_push); - (void) SLclass_set_pop_function (cl, integer_pop); - cl->cl_push_literal = info->push_literal; - cl->cl_to_bool = integer_to_bool; - - cl->cl_cmp = info->cmp_fun; - - if (-1 == SLclass_register_class (cl, info->data_type, info->sizeof_type, - SLANG_CLASS_TYPE_SCALAR)) - return -1; - if (-1 == SLclass_add_unary_op (info->data_type, info->unary_fun, arith_unary_op_result)) - return -1; - - _SLarith_Is_Arith_Type [info->data_type] = 1; - } - -#if SLANG_HAS_FLOAT - if (NULL == (cl = SLclass_allocate_class ("Double_Type"))) - return -1; - (void) SLclass_set_push_function (cl, double_push); - (void) SLclass_set_pop_function (cl, double_pop); - (void) SLclass_set_string_function (cl, arith_string); - cl->cl_byte_code_destroy = double_byte_code_destroy; - cl->cl_push_literal = double_push_literal; - cl->cl_cmp = double_cmp_function; - - if (-1 == SLclass_register_class (cl, SLANG_DOUBLE_TYPE, sizeof (double), - SLANG_CLASS_TYPE_SCALAR)) - return -1; - if (-1 == SLclass_add_unary_op (SLANG_DOUBLE_TYPE, double_unary_op, arith_unary_op_result)) - return -1; - _SLarith_Is_Arith_Type [SLANG_DOUBLE_TYPE] = 2; - - if (NULL == (cl = SLclass_allocate_class ("Float_Type"))) - return -1; - (void) SLclass_set_string_function (cl, arith_string); - (void) SLclass_set_push_function (cl, float_push); - (void) SLclass_set_pop_function (cl, float_pop); - cl->cl_cmp = float_cmp_function; - - if (-1 == SLclass_register_class (cl, SLANG_FLOAT_TYPE, sizeof (float), - SLANG_CLASS_TYPE_SCALAR)) - return -1; - if (-1 == SLclass_add_unary_op (SLANG_FLOAT_TYPE, float_unary_op, arith_unary_op_result)) - return -1; - _SLarith_Is_Arith_Type [SLANG_FLOAT_TYPE] = 2; -#endif - - if (-1 == create_synonyms ()) - return -1; - - for (a_type = 0; a_type <= MAXIMUM_ARITH_TYPE_VALUE; a_type++) - { - if (-1 == (i = Type_Precedence_Table [a_type])) - continue; - - for (b_type = 0; b_type <= MAXIMUM_ARITH_TYPE_VALUE; b_type++) - { - int implicit_ok; - - if (-1 == (j = Type_Precedence_Table [b_type])) - continue; - - /* Allow implicit typecast, except from into to float */ - implicit_ok = ((j >= FLOAT_PRECEDENCE_VALUE) - || (i < FLOAT_PRECEDENCE_VALUE)); - - if (-1 == SLclass_add_binary_op (a_type, b_type, arith_bin_op, arith_bin_op_result)) - return -1; - - if (i != j) - if (-1 == SLclass_add_typecast (a_type, b_type, _SLarith_typecast, implicit_ok)) - return -1; - } - } - - return 0; -} - -#if _SLANG_OPTIMIZE_FOR_SPEED - -static void promote_objs (SLang_Object_Type *a, SLang_Object_Type *b, - SLang_Object_Type *c, SLang_Object_Type *d) -{ - unsigned char ia, ib, ic, id; - int i, j; - void (*copy)(VOID_STAR, VOID_STAR, unsigned int); - - ia = a->data_type; - ib = b->data_type; - - ic = _SLarith_promote_type (ia); - - if (ic == ib) id = ic; /* already promoted */ - else id = _SLarith_promote_type (ib); - - i = Type_Precedence_Table[ic]; - j = Type_Precedence_Table[id]; - if (i > j) - { - id = ic; - j = i; - } - - c->data_type = d->data_type = id; - - i = Type_Precedence_Table[ia]; - copy = (void (*)(VOID_STAR, VOID_STAR, unsigned int)) - Binary_Matrix[i][j].copy_function; - (*copy) ((VOID_STAR) &c->v, (VOID_STAR)&a->v, 1); - - i = Type_Precedence_Table[ib]; - copy = (void (*)(VOID_STAR, VOID_STAR, unsigned int)) - Binary_Matrix[i][j].copy_function; - (*copy) ((VOID_STAR) &d->v, (VOID_STAR)&b->v, 1); -} - -int _SLarith_bin_op (SLang_Object_Type *oa, SLang_Object_Type *ob, int op) -{ - unsigned char a_type, b_type; - - a_type = oa->data_type; - b_type = ob->data_type; - - if (a_type != b_type) - { - SLang_Object_Type obj_a, obj_b; - - /* Handle common cases */ - if ((a_type == SLANG_INT_TYPE) - && (b_type == SLANG_DOUBLE_TYPE)) - return double_double_scalar_bin_op (oa->v.int_val, ob->v.double_val, op); - - if ((a_type == SLANG_DOUBLE_TYPE) - && (b_type == SLANG_INT_TYPE)) - return double_double_scalar_bin_op (oa->v.double_val, ob->v.int_val, op); - - /* Otherwise do it the hard way */ - promote_objs (oa, ob, &obj_a, &obj_b); - oa = &obj_a; - ob = &obj_b; - - a_type = oa->data_type; - b_type = ob->data_type; - } - - - switch (a_type) - { - case SLANG_CHAR_TYPE: - return int_int_scalar_bin_op (oa->v.char_val, ob->v.char_val, op); - - case SLANG_UCHAR_TYPE: - return int_int_scalar_bin_op (oa->v.uchar_val, ob->v.uchar_val, op); - - case SLANG_SHORT_TYPE: - return int_int_scalar_bin_op (oa->v.short_val, ob->v.short_val, op); - - case SLANG_USHORT_TYPE: -# if SIZEOF_INT == SIZEOF_SHORT - return uint_uint_scalar_bin_op (oa->v.ushort_val, ob->v.ushort_val, op); -# else - return int_int_scalar_bin_op ((int)oa->v.ushort_val, (int)ob->v.ushort_val, op); -# endif - -#if SIZEOF_LONG == SIZEOF_INT - case SLANG_LONG_TYPE: -#endif - case SLANG_INT_TYPE: - return int_int_scalar_bin_op (oa->v.int_val, ob->v.int_val, op); - -#if SIZEOF_LONG == SIZEOF_INT - case SLANG_ULONG_TYPE: -#endif - case SLANG_UINT_TYPE: - return uint_uint_scalar_bin_op (oa->v.uint_val, ob->v.uint_val, op); - -#if SIZEOF_LONG != SIZEOF_INT - case SLANG_LONG_TYPE: - return long_long_scalar_bin_op (oa->v.long_val, ob->v.long_val, op); - case SLANG_ULONG_TYPE: - return ulong_ulong_scalar_bin_op (oa->v.ulong_val, ob->v.ulong_val, op); -#endif - case SLANG_FLOAT_TYPE: - return float_float_scalar_bin_op (oa->v.float_val, ob->v.float_val, op); - case SLANG_DOUBLE_TYPE: - return double_double_scalar_bin_op (oa->v.double_val, ob->v.double_val, op); - } - - return 1; -} -#endif diff --git a/mdk-stage1/slang/slarith.inc b/mdk-stage1/slang/slarith.inc deleted file mode 100644 index efa8a5e04..000000000 --- a/mdk-stage1/slang/slarith.inc +++ /dev/null @@ -1,783 +0,0 @@ -/* -*- c -*- */ - -/* This include file is a template for defining arithmetic binary operations - * on arithmetic types. I realize that doing it this way is not very - * elegant but it minimizes the number of lines of code and I believe it - * promotes clarity. - */ - -/* The following macros should be properly defined before including this file: - * - * GENERIC_BINARY_FUNCTION: The name of the binary function - * GENERIC_TYPE: The class data type - * MOD_FUNCTION: The function to use for mod - * ABS_FUNCTION: Name of the abs function - * SIGN_FUNCTION: Name of the sign function - * GENERIC_UNARY_FUNCTION Name of the unary function - * - * If GENERIC_BIT_OPERATIONS is defined, the bit-level binary operators - * will get included. If the data type has a power operation (SLANG_POW), - * then POW_FUNCTION should be defined to return POW_RESULT_TYPE. - */ -#ifdef GENERIC_BINARY_FUNCTION - -static int GENERIC_BINARY_FUNCTION -(int op, - unsigned char a_type, VOID_STAR ap, unsigned int na, - unsigned char b_type, VOID_STAR bp, unsigned int nb, - VOID_STAR cp) -{ - GENERIC_TYPE *c, *a, *b; -#ifdef POW_FUNCTION - POW_RESULT_TYPE *d; -#endif - unsigned int n; -#if _SLANG_OPTIMIZE_FOR_SPEED < 2 - unsigned int n_max, da, db; -#endif - char *cc; - - (void) a_type; /* Both SLANG_INT_TYPE */ - (void) b_type; - - a = (GENERIC_TYPE *) ap; - b = (GENERIC_TYPE *) bp; - c = (GENERIC_TYPE *) cp; - cc = (char *) cp; - -#if _SLANG_OPTIMIZE_FOR_SPEED < 2 - if (na == 1) da = 0; else da = 1; - if (nb == 1) db = 0; else db = 1; - - if (na > nb) n_max = na; else n_max = nb; -#endif - - switch (op) - { - default: - return 0; -#ifdef POW_FUNCTION - case SLANG_POW: - d = (POW_RESULT_TYPE *) cp; -#if _SLANG_OPTIMIZE_FOR_SPEED < 2 - for (n = 0; n < n_max; n++) - { - d[n] = POW_FUNCTION(*a, *b); - a += da; b += db; - } -#else - if (na == nb) - { - for (n = 0; n < na; n++) - d[n] = POW_FUNCTION(a[n],b[n]); - } - else if (nb == 1) - { - GENERIC_TYPE xb = *b; - if (xb == 2) - for (n = 0; n < na; n++) - d[n] = a[n] * a[n]; - else - for (n = 0; n < na; n++) - d[n] = POW_FUNCTION(a[n], xb); - } - else /* if (na == 1) */ - { - GENERIC_TYPE xa = *a; - for (n = 0; n < nb; n++) - d[n] = POW_FUNCTION(xa, b[n]); - } -#endif - break; -#endif - case SLANG_PLUS: -#if _SLANG_OPTIMIZE_FOR_SPEED < 2 - for (n = 0; n < n_max; n++) - { - c[n] = (*a + *b); a += da; b += db; - } -#else - if (na == nb) - { - for (n = 0; n < na; n++) - c[n] = a[n] + b[n]; - } - else if (nb == 1) - { - GENERIC_TYPE xb = *b; - for (n = 0; n < na; n++) - c[n] = a[n] + xb; - } - else /* if (na == 1) */ - { - GENERIC_TYPE xa = *a; - for (n = 0; n < nb; n++) - c[n] = xa + b[n]; - } -#endif - break; - - case SLANG_MINUS: -#if _SLANG_OPTIMIZE_FOR_SPEED < 2 - for (n = 0; n < n_max; n++) - { - c[n] = (*a - *b); a += da; b += db; - } -#else - if (na == nb) - { - for (n = 0; n < na; n++) - c[n] = a[n] - b[n]; - } - else if (nb == 1) - { - GENERIC_TYPE xb = *b; - for (n = 0; n < na; n++) - c[n] = a[n] - xb; - } - else /* if (na == 1) */ - { - GENERIC_TYPE xa = *a; - for (n = 0; n < nb; n++) - c[n] = xa - b[n]; - } -#endif - break; - - case SLANG_TIMES: -#if _SLANG_OPTIMIZE_FOR_SPEED < 2 - for (n = 0; n < n_max; n++) - { - c[n] = (*a * *b); a += da; b += db; - } -#else - if (na == nb) - { - for (n = 0; n < na; n++) - c[n] = a[n] * b[n]; - } - else if (nb == 1) - { - GENERIC_TYPE xb = *b; - for (n = 0; n < na; n++) - c[n] = a[n] * xb; - } - else /* if (na == 1) */ - { - GENERIC_TYPE xa = *a; - for (n = 0; n < nb; n++) - c[n] = xa * b[n]; - } -#endif - break; - - case SLANG_DIVIDE: -#if _SLANG_OPTIMIZE_FOR_SPEED < 2 - for (n = 0; n < n_max; n++) - { - if (*b == 0) - { - SLang_Error = SL_DIVIDE_ERROR; - return -1; - } - c[n] = (*a / *b); a += da; b += db; - } -#else - if (na == nb) - { - for (n = 0; n < na; n++) - { - if (b[n] == 0) - { - SLang_Error = SL_DIVIDE_ERROR; - return -1; - } - c[n] = a[n] / b[n]; - } - } - else if (nb == 1) - { - GENERIC_TYPE xb = *b; - - if (xb == 0) - { - SLang_Error = SL_DIVIDE_ERROR; - return -1; - } - for (n = 0; n < na; n++) - c[n] = a[n] / xb; - } - else /* if (na == 1) */ - { - GENERIC_TYPE xa = *a; - for (n = 0; n < nb; n++) - { - if (b[n] == 0) - { - SLang_Error = SL_DIVIDE_ERROR; - return -1; - } - c[n] = xa / b[n]; - } - } -#endif - break; - - case SLANG_MOD: -#if _SLANG_OPTIMIZE_FOR_SPEED < 2 - for (n = 0; n < n_max; n++) - { - if (*b == 0) - { - SLang_Error = SL_DIVIDE_ERROR; - return -1; - } - c[n] = MOD_FUNCTION(*a, *b); a += da; b += db; - } -#else - if (na == nb) - { - for (n = 0; n < na; n++) - { - if (b[n] == 0) - { - SLang_Error = SL_DIVIDE_ERROR; - return -1; - } - c[n] = MOD_FUNCTION(a[n],b[n]); - } - } - else if (nb == 1) - { - GENERIC_TYPE xb = *b; - if (xb == 0) - { - SLang_Error = SL_DIVIDE_ERROR; - return -1; - } - for (n = 0; n < na; n++) - c[n] = MOD_FUNCTION(a[n],xb); - } - else /* if (na == 1) */ - { - GENERIC_TYPE xa = *a; - for (n = 0; n < nb; n++) - { - if (b[n] == 0) - { - SLang_Error = SL_DIVIDE_ERROR; - return -1; - } - c[n] = MOD_FUNCTION(xa,b[n]); - } - } -#endif - break; - -#ifdef GENERIC_BIT_OPERATIONS - case SLANG_BAND: -#if _SLANG_OPTIMIZE_FOR_SPEED < 2 - for (n = 0; n < n_max; n++) - { - c[n] = (*a & *b); a += da; b += db; - } -#else - if (na == nb) - { - for (n = 0; n < na; n++) - c[n] = a[n] & b[n]; - } - else if (nb == 1) - { - GENERIC_TYPE xb = *b; - for (n = 0; n < na; n++) - c[n] = a[n] & xb; - } - else /* if (na == 1) */ - { - GENERIC_TYPE xa = *a; - for (n = 0; n < nb; n++) - c[n] = xa & b[n]; - } -#endif - break; - - case SLANG_BXOR: -#if _SLANG_OPTIMIZE_FOR_SPEED < 2 - for (n = 0; n < n_max; n++) - { - c[n] = (*a ^ *b); a += da; b += db; - } -#else - if (na == nb) - { - for (n = 0; n < na; n++) - c[n] = a[n] ^ b[n]; - } - else if (nb == 1) - { - GENERIC_TYPE xb = *b; - for (n = 0; n < na; n++) - c[n] = a[n] ^ xb; - } - else /* if (na == 1) */ - { - GENERIC_TYPE xa = *a; - for (n = 0; n < nb; n++) - c[n] = xa ^ b[n]; - } -#endif - break; - - case SLANG_BOR: -#if _SLANG_OPTIMIZE_FOR_SPEED < 2 - for (n = 0; n < n_max; n++) - { - c[n] = (*a | *b); a += da; b += db; - } -#else - if (na == nb) - { - for (n = 0; n < na; n++) - c[n] = a[n] | b[n]; - } - else if (nb == 1) - { - GENERIC_TYPE xb = *b; - for (n = 0; n < na; n++) - c[n] = a[n] | xb; - } - else /* if (na == 1) */ - { - GENERIC_TYPE xa = *a; - for (n = 0; n < nb; n++) - c[n] = xa | b[n]; - } -#endif - break; - - case SLANG_SHL: -#if _SLANG_OPTIMIZE_FOR_SPEED < 2 - for (n = 0; n < n_max; n++) - { - c[n] = (*a << *b); a += da; b += db; - } -#else - if (na == nb) - { - for (n = 0; n < na; n++) - c[n] = a[n] << b[n]; - } - else if (nb == 1) - { - GENERIC_TYPE xb = *b; - for (n = 0; n < na; n++) - c[n] = a[n] << xb; - } - else /* if (na == 1) */ - { - GENERIC_TYPE xa = *a; - for (n = 0; n < nb; n++) - c[n] = xa << b[n]; - } -#endif - break; - - case SLANG_SHR: -#if _SLANG_OPTIMIZE_FOR_SPEED < 2 - for (n = 0; n < n_max; n++) - { - c[n] = (*a >> *b); a += da; b += db; - } -#else - if (na == nb) - { - for (n = 0; n < na; n++) - c[n] = a[n] >> b[n]; - } - else if (nb == 1) - { - GENERIC_TYPE xb = *b; - for (n = 0; n < na; n++) - c[n] = a[n] >> xb; - } - else /* if (na == 1) */ - { - GENERIC_TYPE xa = *a; - for (n = 0; n < nb; n++) - c[n] = xa >> b[n]; - } -#endif - break; -#endif /* GENERIC_BIT_OPERATIONS */ - case SLANG_EQ: -#if _SLANG_OPTIMIZE_FOR_SPEED < 2 - for (n = 0; n < n_max; n++) - { - cc[n] = (*a == *b); a += da; b += db; - } -#else - if (na == nb) - { - for (n = 0; n < na; n++) - cc[n] = (a[n] == b[n]); - } - else if (nb == 1) - { - GENERIC_TYPE xb = *b; - for (n = 0; n < na; n++) - cc[n] = (a[n] == xb); - } - else /* if (na == 1) */ - { - GENERIC_TYPE xa = *a; - for (n = 0; n < nb; n++) - cc[n] = (xa == b[n]); - } -#endif - break; - - case SLANG_NE: -#if _SLANG_OPTIMIZE_FOR_SPEED < 2 - for (n = 0; n < n_max; n++) - { - cc[n] = (*a != *b); a += da; b += db; - } -#else - if (na == nb) - { - for (n = 0; n < na; n++) - cc[n] = (a[n] != b[n]); - } - else if (nb == 1) - { - GENERIC_TYPE xb = *b; - for (n = 0; n < na; n++) - cc[n] = (a[n] != xb); - } - else /* if (na == 1) */ - { - GENERIC_TYPE xa = *a; - for (n = 0; n < nb; n++) - cc[n] = (xa != b[n]); - } -#endif - break; - - case SLANG_GT: -#if _SLANG_OPTIMIZE_FOR_SPEED < 2 - for (n = 0; n < n_max; n++) - { - cc[n] = (*a > *b); a += da; b += db; - } -#else - if (na == nb) - { - for (n = 0; n < na; n++) - cc[n] = (a[n] > b[n]); - } - else if (nb == 1) - { - GENERIC_TYPE xb = *b; - for (n = 0; n < na; n++) - cc[n] = (a[n] > xb); - } - else /* if (na == 1) */ - { - GENERIC_TYPE xa = *a; - for (n = 0; n < nb; n++) - cc[n] = (xa > b[n]); - } -#endif - break; - - case SLANG_GE: -#if _SLANG_OPTIMIZE_FOR_SPEED < 2 - for (n = 0; n < n_max; n++) - { - cc[n] = (*a >= *b); a += da; b += db; - } -#else - if (na == nb) - { - for (n = 0; n < na; n++) - cc[n] = (a[n] >= b[n]); - } - else if (nb == 1) - { - GENERIC_TYPE xb = *b; - for (n = 0; n < na; n++) - cc[n] = (a[n] >= xb); - } - else /* if (na == 1) */ - { - GENERIC_TYPE xa = *a; - for (n = 0; n < nb; n++) - cc[n] = (xa >= b[n]); - } -#endif - break; - - case SLANG_LT: -#if _SLANG_OPTIMIZE_FOR_SPEED < 2 - for (n = 0; n < n_max; n++) - { - cc[n] = (*a < *b); a += da; b += db; - } -#else - if (na == nb) - { - for (n = 0; n < na; n++) - cc[n] = (a[n] < b[n]); - } - else if (nb == 1) - { - GENERIC_TYPE xb = *b; - for (n = 0; n < na; n++) - cc[n] = (a[n] < xb); - } - else /* if (na == 1) */ - { - GENERIC_TYPE xa = *a; - for (n = 0; n < nb; n++) - cc[n] = (xa < b[n]); - } -#endif - break; - - case SLANG_LE: -#if _SLANG_OPTIMIZE_FOR_SPEED < 2 - for (n = 0; n < n_max; n++) - { - cc[n] = (*a <= *b); a += da; b += db; - } -#else - if (na == nb) - { - for (n = 0; n < na; n++) - cc[n] = (a[n] <= b[n]); - } - else if (nb == 1) - { - GENERIC_TYPE xb = *b; - for (n = 0; n < na; n++) - cc[n] = (a[n] <= xb); - } - else /* if (na == 1) */ - { - GENERIC_TYPE xa = *a; - for (n = 0; n < nb; n++) - cc[n] = (xa <= b[n]); - } -#endif - break; - - case SLANG_OR: -#if _SLANG_OPTIMIZE_FOR_SPEED < 2 - for (n = 0; n < n_max; n++) - { - cc[n] = (*a || *b); a += da; b += db; - } -#else - if (na == nb) - { - for (n = 0; n < na; n++) - cc[n] = (a[n] || b[n]); - } - else if (nb == 1) - { - GENERIC_TYPE xb = *b; - for (n = 0; n < na; n++) - cc[n] = (a[n] || xb); - } - else /* if (na == 1) */ - { - GENERIC_TYPE xa = *a; - for (n = 0; n < nb; n++) - cc[n] = (xa || b[n]); - } -#endif - break; - - case SLANG_AND: -#if _SLANG_OPTIMIZE_FOR_SPEED < 2 - for (n = 0; n < n_max; n++) - { - cc[n] = (*a && *b); a += da; b += db; - } -#else - if (na == nb) - { - for (n = 0; n < na; n++) - cc[n] = (a[n] && b[n]); - } - else if (nb == 1) - { - GENERIC_TYPE xb = *b; - for (n = 0; n < na; n++) - cc[n] = (a[n] && xb); - } - else /* if (na == 1) */ - { - GENERIC_TYPE xa = *a; - for (n = 0; n < nb; n++) - cc[n] = (xa && b[n]); - } -#endif - break; - } - return 1; -} - -#endif /* GENERIC_BINARY_FUNCTION */ - - -#ifdef GENERIC_UNARY_FUNCTION - -static int GENERIC_UNARY_FUNCTION -(int op, - unsigned char a_type, VOID_STAR ap, unsigned int na, - VOID_STAR bp - ) -{ - GENERIC_TYPE *a, *b; - unsigned int n; - int *ib; - - (void) a_type; - - a = (GENERIC_TYPE *) ap; - b = (GENERIC_TYPE *) bp; - - switch (op) - { - default: - return 0; - - case SLANG_PLUSPLUS: - for (n = 0; n < na; n++) b[n] = (a[n] + 1); - break; - case SLANG_MINUSMINUS: - for (n = 0; n < na; n++) b[n] = (a[n] - 1); - break; - case SLANG_CHS: - for (n = 0; n < na; n++) b[n] = (GENERIC_TYPE) -(a[n]); - break; - case SLANG_SQR: - for (n = 0; n < na; n++) b[n] = (a[n] * a[n]); - break; - case SLANG_MUL2: - for (n = 0; n < na; n++) b[n] = (2 * a[n]); - break; - case SLANG_ABS: - for (n = 0; n < na; n++) b[n] = ABS_FUNCTION (a[n]); - break; - case SLANG_SIGN: - ib = (int *) bp; - for (n = 0; n < na; n++) - ib[n] = SIGN_FUNCTION(a[n]); - break; - -#ifdef GENERIC_BIT_OPERATIONS - case SLANG_NOT: - for (n = 0; n < na; n++) b[n] = !(a[n]); - break; - case SLANG_BNOT: - for (n = 0; n < na; n++) b[n] = ~(a[n]); - break; -#endif - } - - return 1; -} -#endif /* GENERIC_UNARY_FUNCTION */ - - -#ifdef SCALAR_BINARY_FUNCTION - -static int SCALAR_BINARY_FUNCTION (GENERIC_TYPE a, GENERIC_TYPE b, int op) -{ - switch (op) - { - default: - return 1; - -#ifdef POW_FUNCTION - case SLANG_POW: - return PUSH_POW_OBJ_FUN(POW_FUNCTION(a, b)); -#endif - case SLANG_PLUS: - return PUSH_SCALAR_OBJ_FUN (a + b); - case SLANG_MINUS: - return PUSH_SCALAR_OBJ_FUN (a - b); - case SLANG_TIMES: - return PUSH_SCALAR_OBJ_FUN (a * b); - case SLANG_DIVIDE: - if (b == 0) - { - SLang_Error = SL_DIVIDE_ERROR; - return -1; - } - return PUSH_SCALAR_OBJ_FUN (a / b); - case SLANG_MOD: - if (b == 0) - { - SLang_Error = SL_DIVIDE_ERROR; - return -1; - } - return PUSH_SCALAR_OBJ_FUN (MOD_FUNCTION(a,b)); -#ifdef GENERIC_BIT_OPERATIONS - case SLANG_BAND: - return PUSH_SCALAR_OBJ_FUN (a & b); - case SLANG_BXOR: - return PUSH_SCALAR_OBJ_FUN (a ^ b); - case SLANG_BOR: - return PUSH_SCALAR_OBJ_FUN (a | b); - case SLANG_SHL: - return PUSH_SCALAR_OBJ_FUN (a << b); - case SLANG_SHR: - return PUSH_SCALAR_OBJ_FUN (a >> b); -#endif - case SLANG_GT: return SLclass_push_char_obj (SLANG_CHAR_TYPE, (char)(a > b)); - case SLANG_LT: return SLclass_push_char_obj (SLANG_CHAR_TYPE, (char)(a < b)); - case SLANG_GE: return SLclass_push_char_obj (SLANG_CHAR_TYPE, (char)(a >= b)); - case SLANG_LE: return SLclass_push_char_obj (SLANG_CHAR_TYPE, (char)(a <= b)); - case SLANG_EQ: return SLclass_push_char_obj (SLANG_CHAR_TYPE, (char)(a == b)); - case SLANG_NE: return SLclass_push_char_obj (SLANG_CHAR_TYPE, (char)(a != b)); - case SLANG_OR: return SLclass_push_char_obj (SLANG_CHAR_TYPE, (char)(a || b)); - case SLANG_AND: return SLclass_push_char_obj (SLANG_CHAR_TYPE, (char)(a && b)); - } -} - -#endif /* SCALAR_BINARY_FUNCTION */ - -#ifdef CMP_FUNCTION -static int CMP_FUNCTION (unsigned char unused, VOID_STAR a, VOID_STAR b, int *c) -{ - GENERIC_TYPE x, y; - - (void) unused; - x = *(GENERIC_TYPE *) a; - y = *(GENERIC_TYPE *) b; - - if (x > y) *c = 1; - else if (x == y) *c = 0; - else *c = -1; - - return 0; -} -#endif - -#undef CMP_FUNCTION -#undef SCALAR_BINARY_FUNCTION -#undef PUSH_POW_OBJ_FUN -#undef PUSH_SCALAR_OBJ_FUN -#undef GENERIC_BINARY_FUNCTION -#undef GENERIC_UNARY_FUNCTION -#undef GENERIC_BIT_OPERATIONS -#undef GENERIC_TYPE -#undef POW_FUNCTION -#undef POW_RESULT_TYPE -#undef MOD_FUNCTION -#undef ABS_FUNCTION -#undef SIGN_FUNCTION diff --git a/mdk-stage1/slang/slarray.c b/mdk-stage1/slang/slarray.c deleted file mode 100644 index 0b9a1406c..000000000 --- a/mdk-stage1/slang/slarray.c +++ /dev/null @@ -1,3139 +0,0 @@ -/* Array manipulation routines for S-Lang */ -/* Copyright (c) 1997, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#define SL_APP_WANTS_FOREACH -#include "slang.h" -#include "_slang.h" - -typedef struct -{ - int first_index; - int last_index; - int delta; -} -SLarray_Range_Array_Type; - -/* Use SLang_pop_array when a linear array is required. */ -static int pop_array (SLang_Array_Type **at_ptr, int convert_scalar) -{ - SLang_Array_Type *at; - int one = 1; - int type; - - *at_ptr = NULL; - type = SLang_peek_at_stack (); - - switch (type) - { - case -1: - return -1; - - case SLANG_ARRAY_TYPE: - return SLclass_pop_ptr_obj (SLANG_ARRAY_TYPE, (VOID_STAR *) at_ptr); - - case SLANG_NULL_TYPE: - convert_scalar = 0; - /* drop */ - default: - if (convert_scalar == 0) - { - SLdo_pop (); - SLang_verror (SL_TYPE_MISMATCH, "Context requires an array. Scalar not converted"); - return -1; - } - break; - } - - if (NULL == (at = SLang_create_array ((unsigned char) type, 0, NULL, &one, 1))) - return -1; - - if (-1 == at->cl->cl_apop ((unsigned char) type, at->data)) - { - SLang_free_array (at); - return -1; - } - - *at_ptr = at; - - return 0; -} - -static VOID_STAR linear_get_data_addr (SLang_Array_Type *at, int *dims) -{ - unsigned int num_dims; - unsigned int ofs; - unsigned int i; - int *max_dims; - - ofs = 0; - max_dims = at->dims; - num_dims = at->num_dims; - - for (i = 0; i < num_dims; i++) - { - int d = dims[i]; - - if (d < 0) - d = d + max_dims[i]; - - ofs = ofs * (unsigned int)max_dims [i] + (unsigned int) d; - } - - return (VOID_STAR) ((char *)at->data + (ofs * at->sizeof_type)); -} - -static VOID_STAR get_data_addr (SLang_Array_Type *at, int *dims) -{ - VOID_STAR data; - - data = at->data; - if (data == NULL) - { - SLang_verror (SL_UNKNOWN_ERROR, "Array has no data"); - return NULL; - } - - data = (*at->index_fun) (at, dims); - - if (data == NULL) - { - SLang_verror (SL_UNKNOWN_ERROR, "Unable to access array element"); - return NULL; - } - - return data; -} - -void _SLarray_free_array_elements (SLang_Class_Type *cl, VOID_STAR s, unsigned int num) -{ - unsigned int sizeof_type; - void (*f) (unsigned char, VOID_STAR); - char *p; - unsigned char type; - - if ((cl->cl_class_type == SLANG_CLASS_TYPE_SCALAR) - || (cl->cl_class_type == SLANG_CLASS_TYPE_VECTOR)) - return; - - f = cl->cl_destroy; - sizeof_type = cl->cl_sizeof_type; - type = cl->cl_data_type; - - p = (char *) s; - while (num != 0) - { - if (NULL != *(VOID_STAR *)p) - { - (*f) (type, (VOID_STAR)p); - *(VOID_STAR *) p = NULL; - } - p += sizeof_type; - num--; - } -} - -static int destroy_element (SLang_Array_Type *at, - int *dims, - VOID_STAR data) -{ - data = get_data_addr (at, dims); - if (data == NULL) - return -1; - - /* This function should only get called for arrays that have - * pointer elements. Do not call the destroy method if the element - * is NULL. - */ - if (NULL != *(VOID_STAR *)data) - { - (*at->cl->cl_destroy) (at->data_type, data); - *(VOID_STAR *) data = NULL; - } - return 0; -} - -/* This function only gets called when a new array is created. Thus there - * is no need to destroy the object first. - */ -static int new_object_element (SLang_Array_Type *at, - int *dims, - VOID_STAR data) -{ - data = get_data_addr (at, dims); - if (data == NULL) - return -1; - - return (*at->cl->cl_init_array_object) (at->data_type, data); -} - -static int next_index (int *dims, int *max_dims, unsigned int num_dims) -{ - while (num_dims) - { - int dims_i; - - num_dims--; - - dims_i = dims [num_dims] + 1; - if (dims_i != (int) max_dims [num_dims]) - { - dims [num_dims] = dims_i; - return 0; - } - dims [num_dims] = 0; - } - - return -1; -} - -static int do_method_for_all_elements (SLang_Array_Type *at, - int (*method)(SLang_Array_Type *, - int *, - VOID_STAR), - VOID_STAR client_data) -{ - int dims [SLARRAY_MAX_DIMS]; - int *max_dims; - unsigned int num_dims; - - if (at->num_elements == 0) - return 0; - - max_dims = at->dims; - num_dims = at->num_dims; - - SLMEMSET((char *)dims, 0, sizeof(dims)); - - do - { - if (-1 == (*method) (at, dims, client_data)) - return -1; - } - while (0 == next_index (dims, max_dims, num_dims)); - - return 0; -} - -void SLang_free_array (SLang_Array_Type *at) -{ - VOID_STAR data; - unsigned int flags; - - if (at == NULL) return; - - if (at->num_refs > 1) - { - at->num_refs -= 1; - return; - } - - data = at->data; - flags = at->flags; - - if (flags & SLARR_DATA_VALUE_IS_INTRINSIC) - return; /* not to be freed */ - - if (flags & SLARR_DATA_VALUE_IS_POINTER) - (void) do_method_for_all_elements (at, destroy_element, NULL); - - SLfree ((char *) data); - SLfree ((char *) at); -} - -SLang_Array_Type * -SLang_create_array1 (unsigned char type, int read_only, VOID_STAR data, - int *dims, unsigned int num_dims, int no_init) -{ - SLang_Class_Type *cl; - unsigned int i; - SLang_Array_Type *at; - unsigned int num_elements; - unsigned int sizeof_type; - unsigned int size; - - if (num_dims > SLARRAY_MAX_DIMS) - { - SLang_verror (SL_NOT_IMPLEMENTED, "%u dimensional arrays are not supported", num_dims); - return NULL; - } - - for (i = 0; i < num_dims; i++) - { - if (dims[i] < 0) - { - SLang_verror (SL_INVALID_PARM, "Size of array dim %u is less than 0", i); - return NULL; - } - } - - cl = _SLclass_get_class (type); - - at = (SLang_Array_Type *) SLmalloc (sizeof(SLang_Array_Type)); - if (at == NULL) - return NULL; - - SLMEMSET ((char*) at, 0, sizeof(SLang_Array_Type)); - - at->data_type = type; - at->cl = cl; - at->num_dims = num_dims; - at->num_refs = 1; - - if (read_only) at->flags = SLARR_DATA_VALUE_IS_READ_ONLY; - switch (cl->cl_class_type) - { - case SLANG_CLASS_TYPE_VECTOR: - case SLANG_CLASS_TYPE_SCALAR: - break; - - default: - at->flags |= SLARR_DATA_VALUE_IS_POINTER; - } - - num_elements = 1; - for (i = 0; i < num_dims; i++) - { - at->dims [i] = dims[i]; - num_elements = dims [i] * num_elements; - } - - /* Now set the rest of the unused dimensions to 1. This makes it easier - * when transposing arrays. - */ - while (i < SLARRAY_MAX_DIMS) - at->dims[i++] = 1; - - at->num_elements = num_elements; - at->index_fun = linear_get_data_addr; - at->sizeof_type = sizeof_type = cl->cl_sizeof_type; - - if (data != NULL) - { - at->data = data; - return at; - } - - size = num_elements * sizeof_type; - - if (size == 0) size = 1; - - if (NULL == (data = (VOID_STAR) SLmalloc (size))) - { - SLang_free_array (at); - return NULL; - } - - if (no_init == 0) - SLMEMSET ((char *) data, 0, size); - - at->data = data; - - if ((cl->cl_init_array_object != NULL) - && (-1 == do_method_for_all_elements (at, new_object_element, NULL))) - { - SLang_free_array (at); - return NULL; - } - return at; -} - -SLang_Array_Type * -SLang_create_array (unsigned char type, int read_only, VOID_STAR data, - int *dims, unsigned int num_dims) -{ - return SLang_create_array1 (type, read_only, data, dims, num_dims, 0); -} - -int SLang_add_intrinsic_array (char *name, - unsigned char type, - int read_only, - VOID_STAR data, - unsigned int num_dims, ...) -{ - va_list ap; - unsigned int i; - int dims[SLARRAY_MAX_DIMS]; - SLang_Array_Type *at; - - if ((num_dims > SLARRAY_MAX_DIMS) - || (name == NULL) - || (data == NULL)) - { - SLang_verror (SL_INVALID_PARM, "Unable to create intrinsic array"); - return -1; - } - - va_start (ap, num_dims); - for (i = 0; i < num_dims; i++) - dims [i] = va_arg (ap, int); - va_end (ap); - - at = SLang_create_array (type, read_only, data, dims, num_dims); - if (at == NULL) - return -1; - at->flags |= SLARR_DATA_VALUE_IS_INTRINSIC; - - /* Note: The variable that refers to the intrinsic array is regarded as - * read-only. That way, Array_Name = another_array; will fail. - */ - if (-1 == SLadd_intrinsic_variable (name, (VOID_STAR) at, SLANG_ARRAY_TYPE, 1)) - { - SLang_free_array (at); - return -1; - } - return 0; -} - -static int pop_array_indices (int *dims, unsigned int num_dims) -{ - unsigned int n; - int i; - - if (num_dims > SLARRAY_MAX_DIMS) - { - SLang_verror (SL_INVALID_PARM, "Array size not supported"); - return -1; - } - - n = num_dims; - while (n != 0) - { - n--; - if (-1 == SLang_pop_integer (&i)) - return -1; - - dims[n] = i; - } - - return 0; -} - -int SLang_push_array (SLang_Array_Type *at, int free_flag) -{ - if (at == NULL) - return SLang_push_null (); - - at->num_refs += 1; - - if (0 == SLclass_push_ptr_obj (SLANG_ARRAY_TYPE, (VOID_STAR) at)) - { - if (free_flag) - SLang_free_array (at); - return 0; - } - - at->num_refs -= 1; - - if (free_flag) SLang_free_array (at); - return -1; -} - -/* This function gets called via expressions such as Double_Type[10, 20]; - */ -static int push_create_new_array (void) -{ - unsigned int num_dims; - SLang_Array_Type *at; - unsigned char type; - int dims [SLARRAY_MAX_DIMS]; - int (*anew) (unsigned char, unsigned int); - - num_dims = (SLang_Num_Function_Args - 1); - - if (-1 == _SLang_pop_datatype (&type)) - return -1; - - anew = (_SLclass_get_class (type))->cl_anew; - if (anew != NULL) - return (*anew) (type, num_dims); - - if (-1 == pop_array_indices (dims, num_dims)) - return -1; - - if (NULL == (at = SLang_create_array (type, 0, NULL, dims, num_dims))) - return -1; - - return SLang_push_array (at, 1); -} - -static int push_element_at_addr (SLang_Array_Type *at, - VOID_STAR data, int allow_null) -{ - SLang_Class_Type *cl; - - cl = at->cl; - if ((at->flags & SLARR_DATA_VALUE_IS_POINTER) - && (*(VOID_STAR *) data == NULL)) - { - if (allow_null) - return SLang_push_null (); - - SLang_verror (SL_VARIABLE_UNINITIALIZED, - "%s array has unitialized element", cl->cl_name); - return -1; - } - - return (*cl->cl_apush)(at->data_type, data); -} - -static int coerse_array_to_linear (SLang_Array_Type *at) -{ - SLarray_Range_Array_Type *range; - int *data; - int xmin, dx; - unsigned int i, imax; - - /* FIXME: Priority = low. This assumes that if an array is not linear, then - * it is a range. - */ - if (0 == (at->flags & SLARR_DATA_VALUE_IS_RANGE)) - return 0; - - range = (SLarray_Range_Array_Type *) at->data; - xmin = range->first_index; - dx = range->delta; - - imax = at->num_elements; - data = (int *) SLmalloc ((imax + 1) * sizeof (int)); - if (data == NULL) - return -1; - - for (i = 0; i < imax; i++) - { - data [i] = xmin; - xmin += dx; - } - - SLfree ((char *) range); - at->data = (VOID_STAR) data; - at->flags &= ~SLARR_DATA_VALUE_IS_RANGE; - at->index_fun = linear_get_data_addr; - return 0; -} - -static void -free_index_objects (SLang_Object_Type *index_objs, unsigned int num_indices) -{ - unsigned int i; - SLang_Object_Type *obj; - - for (i = 0; i < num_indices; i++) - { - obj = index_objs + i; - if (obj->data_type != 0) - SLang_free_object (obj); - } -} - -static int -pop_indices (SLang_Object_Type *index_objs, unsigned int num_indices, - int *is_index_array) -{ - unsigned int i; - - SLMEMSET((char *) index_objs, 0, num_indices * sizeof (SLang_Object_Type)); - - *is_index_array = 0; - - if (num_indices >= SLARRAY_MAX_DIMS) - { - SLang_verror (SL_INVALID_PARM, "too many indices for array"); - return -1; - } - - i = num_indices; - while (i != 0) - { - SLang_Object_Type *obj; - - i--; - obj = index_objs + i; - if (-1 == _SLang_pop_object_of_type (SLANG_INT_TYPE, obj, 1)) - goto return_error; - - if (obj->data_type == SLANG_ARRAY_TYPE) - { - SLang_Array_Type *at = obj->v.array_val; - - if (at->num_dims == 1) - { - if ((num_indices == 1) - && (0 == (at->flags & SLARR_DATA_VALUE_IS_RANGE))) - *is_index_array = 1; - } - else - { - SLang_verror (SL_INVALID_PARM, "expecting a 1-d index array"); - goto return_error; - } - } - } - - return 0; - - return_error: - free_index_objects (index_objs, num_indices); - return -1; -} - -/* Here ind_at is a linear 1-d array of indices */ -static int -check_index_array_ranges (SLang_Array_Type *at, SLang_Array_Type *ind_at) -{ - int *indices, *indices_max; - unsigned int num_elements; - - num_elements = at->num_elements; - indices = (int *) ind_at->data; - indices_max = indices + ind_at->num_elements; - - while (indices < indices_max) - { - unsigned int d; - - d = (unsigned int) *indices++; - if (d >= num_elements) - { - SLang_verror (SL_INVALID_PARM, - "index-array is out of range"); - return -1; - } - } - return 0; -} - -static int -transfer_n_elements (SLang_Array_Type *at, VOID_STAR dest_data, VOID_STAR src_data, - unsigned int sizeof_type, unsigned int n, int is_ptr) -{ - unsigned char data_type; - SLang_Class_Type *cl; - - if (is_ptr == 0) - { - SLMEMCPY ((char *) dest_data, (char *)src_data, n * sizeof_type); - return 0; - } - - data_type = at->data_type; - cl = at->cl; - - while (n != 0) - { - if (*(VOID_STAR *)dest_data != NULL) - { - (*cl->cl_destroy) (data_type, dest_data); - *(VOID_STAR *) dest_data = NULL; - } - - if (*(VOID_STAR *) src_data == NULL) - *(VOID_STAR *) dest_data = NULL; - else - { - if (-1 == (*cl->cl_acopy) (data_type, src_data, dest_data)) - /* No need to destroy anything */ - return -1; - } - - src_data = (VOID_STAR) ((char *)src_data + sizeof_type); - dest_data = (VOID_STAR) ((char *)dest_data + sizeof_type); - - n--; - } - - return 0; -} - -int -_SLarray_aget_transfer_elem (SLang_Array_Type *at, int *indices, - VOID_STAR new_data, unsigned int sizeof_type, int is_ptr) -{ - VOID_STAR at_data; - - /* Since 1 element is being transferred, there is not need to coerse - * the array to linear. - */ - if (NULL == (at_data = get_data_addr (at, indices))) - return -1; - - return transfer_n_elements (at, new_data, at_data, sizeof_type, 1, is_ptr); -} - -/* Here the ind_at index-array is a 1-d array of indices. This function - * creates a 1-d array of made up of values of 'at' at the locations - * specified by the indices. The result is pushed. - */ -static int -aget_from_index_array (SLang_Array_Type *at, - SLang_Array_Type *ind_at) -{ - SLang_Array_Type *new_at; - int *indices, *indices_max; - unsigned char *new_data, *src_data; - unsigned int sizeof_type; - int is_ptr; - - if (-1 == coerse_array_to_linear (at)) - return -1; - - if (-1 == coerse_array_to_linear (ind_at)) - return -1; - - if (-1 == check_index_array_ranges (at, ind_at)) - return -1; - - if (NULL == (new_at = SLang_create_array (at->data_type, 0, NULL, ind_at->dims, 1))) - return -1; - - /* Since the index array is linear, I can address it directly */ - indices = (int *) ind_at->data; - indices_max = indices + ind_at->num_elements; - - src_data = (unsigned char *) at->data; - new_data = (unsigned char *) new_at->data; - sizeof_type = new_at->sizeof_type; - is_ptr = (new_at->flags & SLARR_DATA_VALUE_IS_POINTER); - - while (indices < indices_max) - { - unsigned int offset; - - offset = sizeof_type * (unsigned int)*indices; - if (-1 == transfer_n_elements (at, (VOID_STAR) new_data, - (VOID_STAR) (src_data + offset), - sizeof_type, 1, is_ptr)) - { - SLang_free_array (new_at); - return -1; - } - - new_data += sizeof_type; - indices++; - } - - return SLang_push_array (new_at, 1); -} - -/* This is extremely ugly. It is due to the fact that the index_objects - * may contain ranges. This is a utility function for the aget/aput - * routines - */ -static int -convert_nasty_index_objs (SLang_Array_Type *at, - SLang_Object_Type *index_objs, - unsigned int num_indices, - int **index_data, - int *range_buf, int *range_delta_buf, - int *max_dims, - unsigned int *num_elements, - int *is_array, int is_dim_array[SLARRAY_MAX_DIMS]) -{ - unsigned int i, total_num_elements; - SLang_Array_Type *ind_at; - - if (num_indices != at->num_dims) - { - SLang_verror (SL_INVALID_PARM, "Array requires %u indices", at->num_dims); - return -1; - } - - *is_array = 0; - total_num_elements = 1; - for (i = 0; i < num_indices; i++) - { - int max_index, min_index; - SLang_Object_Type *obj; - int at_dims_i; - - at_dims_i = at->dims[i]; - obj = index_objs + i; - range_delta_buf [i] = 0; - - if (obj->data_type == SLANG_INT_TYPE) - { - range_buf [i] = min_index = max_index = obj->v.int_val; - max_dims [i] = 1; - index_data[i] = range_buf + i; - is_dim_array[i] = 0; - } - else - { - *is_array = 1; - is_dim_array[i] = 1; - ind_at = obj->v.array_val; - - if (ind_at->flags & SLARR_DATA_VALUE_IS_RANGE) - { - SLarray_Range_Array_Type *r; - int delta; - int first_index, last_index; - - r = (SLarray_Range_Array_Type *) ind_at->data; - - /* In an array indexing context, range arrays have different - * semantics. Consider a[[0:10]]. Clearly this means elements - * 0-10 of a. But what does a[[0:-1]] mean? By itself, - * [0:-1] is a null matrix []. But, it is useful in an - * indexing context to allow -1 to refer to the last element - * of the array. Similarly, [-3:-1] refers to the last 3 - * elements. - * - * However, [-1:-3] does not refer to any of the elements. - */ - if ((first_index = r->first_index) < 0) - { - if (at_dims_i != 0) - first_index = (at_dims_i + first_index) % at_dims_i; - } - - if ((last_index = r->last_index) < 0) - { - if (at_dims_i != 0) - last_index = (at_dims_i + last_index) % at_dims_i; - } - - delta = r->delta; - - range_delta_buf [i] = delta; - range_buf[i] = first_index; - - if (delta > 0) - { - if (first_index > last_index) - max_dims[i] = min_index = max_index = 0; - else - { - max_index = min_index = first_index; - while (max_index + delta <= last_index) - max_index += delta; - max_dims [i] = 1 + (max_index - min_index) / delta; - } - } - else - { - if (first_index < last_index) - max_dims[i] = min_index = max_index = 0; - else - { - min_index = max_index = first_index; - while (min_index + delta >= last_index) - min_index += delta; - max_dims [i] = 1 + (max_index - min_index) / (-delta); - } - } - } - else - { - int *tmp, *tmp_max; - - if (0 == (max_dims[i] = ind_at->num_elements)) - { - total_num_elements = 0; - break; - } - - tmp = (int *) ind_at->data; - tmp_max = tmp + ind_at->num_elements; - index_data [i] = tmp; - - min_index = max_index = *tmp; - while (tmp < tmp_max) - { - if (max_index > *tmp) - max_index = *tmp; - if (min_index < *tmp) - min_index = *tmp; - - tmp++; - } - } - } - - if ((at_dims_i == 0) && (max_dims[i] == 0)) - { - total_num_elements = 0; - continue; - } - - if (max_index < 0) - max_index += at_dims_i; - if (min_index < 0) - min_index += at_dims_i; - - if ((min_index < 0) || (min_index >= at_dims_i) - || (max_index < 0) || (max_index >= at_dims_i)) - { - SLang_verror (SL_INVALID_PARM, "Array index %u ([%d:%d]) out of allowed range [0->%d]", - i, min_index, max_index, at_dims_i); - return -1; - } - - total_num_elements = total_num_elements * max_dims[i]; - } - - *num_elements = total_num_elements; - return 0; -} - -/* This routine pushes a 1-d vector of values from 'at' indexed by - * the objects 'index_objs'. These objects can either be integers or - * 1-d integer arrays. The fact that the 1-d arrays can be ranges - * makes this look ugly. - */ -static int -aget_from_indices (SLang_Array_Type *at, - SLang_Object_Type *index_objs, unsigned int num_indices) -{ - int *index_data [SLARRAY_MAX_DIMS]; - int range_buf [SLARRAY_MAX_DIMS]; - int range_delta_buf [SLARRAY_MAX_DIMS]; - int max_dims [SLARRAY_MAX_DIMS]; - unsigned int i, num_elements; - SLang_Array_Type *new_at; - int map_indices[SLARRAY_MAX_DIMS]; - int indices [SLARRAY_MAX_DIMS]; - unsigned int sizeof_type; - int is_ptr, ret, is_array; - char *new_data; - SLang_Class_Type *cl; - int is_dim_array[SLARRAY_MAX_DIMS]; - - if (-1 == convert_nasty_index_objs (at, index_objs, num_indices, - index_data, range_buf, range_delta_buf, - max_dims, &num_elements, &is_array, - is_dim_array)) - return -1; - - is_ptr = (at->flags & SLARR_DATA_VALUE_IS_POINTER); - sizeof_type = at->sizeof_type; - - cl = _SLclass_get_class (at->data_type); - - if ((is_array == 0) && (num_elements == 1)) - { - new_data = (char *)cl->cl_transfer_buf; - memset (new_data, 0, sizeof_type); - new_at = NULL; - } - else - { - int i_num_elements = (int)num_elements; - - new_at = SLang_create_array (at->data_type, 0, NULL, &i_num_elements, 1); - if (NULL == new_at) - return -1; - if (num_elements == 0) - return SLang_push_array (new_at, 1); - - new_data = (char *)new_at->data; - } - - SLMEMSET((char *) map_indices, 0, sizeof(map_indices)); - do - { - for (i = 0; i < num_indices; i++) - { - int j; - - j = map_indices[i]; - - if (0 != range_delta_buf[i]) - indices[i] = range_buf[i] + j * range_delta_buf[i]; - else - indices[i] = index_data [i][j]; - } - - if (-1 == _SLarray_aget_transfer_elem (at, indices, (VOID_STAR)new_data, sizeof_type, is_ptr)) - { - SLang_free_array (new_at); - return -1; - } - new_data += sizeof_type; - } - while (0 == next_index (map_indices, max_dims, num_indices)); - - if (new_at != NULL) - { - int num_dims = 0; - /* Fixup dimensions on array */ - for (i = 0; i < num_indices; i++) - { - if (is_dim_array[i]) /* was: (max_dims[i] > 1) */ - { - new_at->dims[num_dims] = max_dims[i]; - num_dims++; - } - } - - if (num_dims != 0) new_at->num_dims = num_dims; - return SLang_push_array (new_at, 1); - } - - /* Here new_data is a whole new copy, so free it after the push */ - new_data -= sizeof_type; - if (is_ptr && (*(VOID_STAR *)new_data == NULL)) - ret = SLang_push_null (); - else - { - ret = (*cl->cl_apush) (at->data_type, (VOID_STAR)new_data); - (*cl->cl_adestroy) (at->data_type, (VOID_STAR)new_data); - } - - return ret; -} - -static int push_string_as_array (unsigned char *s, unsigned int len) -{ - int ilen; - SLang_Array_Type *at; - - ilen = (int) len; - - at = SLang_create_array (SLANG_UCHAR_TYPE, 0, NULL, &ilen, 1); - if (at == NULL) - return -1; - - memcpy ((char *)at->data, (char *)s, len); - return SLang_push_array (at, 1); -} - -static int pop_array_as_string (char **sp) -{ - SLang_Array_Type *at; - int ret; - - *sp = NULL; - - if (-1 == SLang_pop_array_of_type (&at, SLANG_UCHAR_TYPE)) - return -1; - - ret = 0; - - if (NULL == (*sp = SLang_create_nslstring ((char *) at->data, at->num_elements))) - ret = -1; - - SLang_free_array (at); - return ret; -} - -static int pop_array_as_bstring (SLang_BString_Type **bs) -{ - SLang_Array_Type *at; - int ret; - - *bs = NULL; - - if (-1 == SLang_pop_array_of_type (&at, SLANG_UCHAR_TYPE)) - return -1; - - ret = 0; - - if (NULL == (*bs = SLbstring_create ((unsigned char *) at->data, at->num_elements))) - ret = -1; - - SLang_free_array (at); - return ret; -} - -static int aget_from_array (unsigned int num_indices) -{ - SLang_Array_Type *at; - SLang_Object_Type index_objs [SLARRAY_MAX_DIMS]; - int ret; - int is_index_array; - unsigned int i; - - if (num_indices > SLARRAY_MAX_DIMS) - { - SLang_verror (SL_INVALID_PARM, "Number of dims must be less than %d", SLARRAY_MAX_DIMS); - return -1; - } - - if (-1 == pop_array (&at, 1)) - return -1; - - if (-1 == pop_indices (index_objs, num_indices, &is_index_array)) - { - SLang_free_array (at); - return -1; - } - - if (is_index_array == 0) - ret = aget_from_indices (at, index_objs, num_indices); - else - ret = aget_from_index_array (at, index_objs[0].v.array_val); - - SLang_free_array (at); - for (i = 0; i < num_indices; i++) - SLang_free_object (index_objs + i); - - return ret; -} - -static int push_string_element (unsigned char type, unsigned char *s, unsigned int len) -{ - int i; - - if (SLang_peek_at_stack () == SLANG_ARRAY_TYPE) - { - char *str; - - /* The indices are array values. So, do this: */ - if (-1 == push_string_as_array (s, len)) - return -1; - - if (-1 == aget_from_array (1)) - return -1; - - if (type == SLANG_BSTRING_TYPE) - { - SLang_BString_Type *bs; - int ret; - - if (-1 == pop_array_as_bstring (&bs)) - return -1; - - ret = SLang_push_bstring (bs); - SLbstring_free (bs); - return ret; - } - - if (-1 == pop_array_as_string (&str)) - return -1; - return _SLang_push_slstring (str); /* frees s upon error */ - } - - if (-1 == SLang_pop_integer (&i)) - return -1; - - if (i < 0) i = i + (int)len; - if ((unsigned int) i > len) - i = len; /* get \0 character --- bstrings include it as well */ - - i = s[(unsigned int) i]; - - return SLang_push_integer (i); -} - -/* ARRAY[i, j, k] generates code: __args i j ...k ARRAY __aput/__aget - * Here i, j, ... k may be a mixture of integers and 1-d arrays, or - * a single 2-d array of indices. The 2-d index array is generated by the - * 'where' function. - * - * If ARRAY is of type DataType, then this function will create an array of - * the appropriate type. In that case, the indices i, j, ..., k must be - * integers. - */ -int _SLarray_aget (void) -{ - unsigned int num_indices; - int type; - int (*aget_fun) (unsigned char, unsigned int); - - num_indices = (SLang_Num_Function_Args - 1); - - type = SLang_peek_at_stack (); - switch (type) - { - case -1: - return -1; /* stack underflow */ - - case SLANG_DATATYPE_TYPE: - return push_create_new_array (); - - case SLANG_BSTRING_TYPE: - if (1 == num_indices) - { - SLang_BString_Type *bs; - int ret; - unsigned int len; - unsigned char *s; - - if (-1 == SLang_pop_bstring (&bs)) - return -1; - - if (NULL == (s = SLbstring_get_pointer (bs, &len))) - ret = -1; - else - ret = push_string_element (type, s, len); - - SLbstring_free (bs); - return ret; - } - break; - - case SLANG_STRING_TYPE: - if (1 == num_indices) - { - char *s; - int ret; - - if (-1 == SLang_pop_slstring (&s)) - return -1; - - ret = push_string_element (type, (unsigned char *)s, strlen (s)); - SLang_free_slstring (s); - return ret; - } - break; - - case SLANG_ARRAY_TYPE: - break; - - default: - aget_fun = _SLclass_get_class (type)->cl_aget; - if (NULL != aget_fun) - return (*aget_fun) (type, num_indices); - } - - return aget_from_array (num_indices); -} - -int -_SLarray_aput_transfer_elem (SLang_Array_Type *at, int *indices, - VOID_STAR data_to_put, unsigned int sizeof_type, int is_ptr) -{ - VOID_STAR at_data; - - /* Since 1 element is being transferred, there is no need to coerse - * the array to linear. - */ - if (NULL == (at_data = get_data_addr (at, indices))) - return -1; - - return transfer_n_elements (at, at_data, data_to_put, sizeof_type, 1, is_ptr); -} - -static int -aput_get_array_to_put (SLang_Class_Type *cl, unsigned int num_elements, int allow_array, - SLang_Array_Type **at_ptr, char **data_to_put, unsigned int *data_increment) -{ - unsigned char data_type; - SLang_Array_Type *at; - - *at_ptr = NULL; - - data_type = cl->cl_data_type; - if (-1 == SLclass_typecast (data_type, 1, allow_array)) - return -1; - - if ((data_type != SLANG_ARRAY_TYPE) - && (data_type != SLANG_ANY_TYPE) - && (SLANG_ARRAY_TYPE == SLang_peek_at_stack ())) - { - if (-1 == SLang_pop_array (&at, 0)) - return -1; - - if ((at->num_elements != num_elements) -#if 0 - || (at->num_dims != 1) -#endif - ) - { - SLang_verror (SL_TYPE_MISMATCH, "Array size is inappropriate for use with index-array"); - SLang_free_array (at); - return -1; - } - - *data_to_put = (char *) at->data; - *data_increment = at->sizeof_type; - *at_ptr = at; - return 0; - } - - *data_increment = 0; - *data_to_put = (char *) cl->cl_transfer_buf; - - if (-1 == (*cl->cl_apop)(data_type, (VOID_STAR) *data_to_put)) - return -1; - - return 0; -} - -static int -aput_from_indices (SLang_Array_Type *at, - SLang_Object_Type *index_objs, unsigned int num_indices) -{ - int *index_data [SLARRAY_MAX_DIMS]; - int range_buf [SLARRAY_MAX_DIMS]; - int range_delta_buf [SLARRAY_MAX_DIMS]; - int max_dims [SLARRAY_MAX_DIMS]; - unsigned int i, num_elements; - SLang_Array_Type *bt; - int map_indices[SLARRAY_MAX_DIMS]; - int indices [SLARRAY_MAX_DIMS]; - unsigned int sizeof_type; - int is_ptr, is_array, ret; - char *data_to_put; - unsigned int data_increment; - SLang_Class_Type *cl; - int is_dim_array [SLARRAY_MAX_DIMS]; - - if (-1 == convert_nasty_index_objs (at, index_objs, num_indices, - index_data, range_buf, range_delta_buf, - max_dims, &num_elements, &is_array, - is_dim_array)) - return -1; - - cl = at->cl; - - if (-1 == aput_get_array_to_put (cl, num_elements, is_array, - &bt, &data_to_put, &data_increment)) - return -1; - - sizeof_type = at->sizeof_type; - is_ptr = (at->flags & SLARR_DATA_VALUE_IS_POINTER); - - ret = -1; - - SLMEMSET((char *) map_indices, 0, sizeof(map_indices)); - if (num_elements) do - { - for (i = 0; i < num_indices; i++) - { - int j; - - j = map_indices[i]; - - if (0 != range_delta_buf[i]) - indices[i] = range_buf[i] + j * range_delta_buf[i]; - else - indices[i] = index_data [i][j]; - } - - if (-1 == _SLarray_aput_transfer_elem (at, indices, (VOID_STAR)data_to_put, sizeof_type, is_ptr)) - goto return_error; - - data_to_put += data_increment; - } - while (0 == next_index (map_indices, max_dims, num_indices)); - - ret = 0; - - /* drop */ - - return_error: - if (bt == NULL) - { - if (is_ptr) - (*cl->cl_destroy) (cl->cl_data_type, (VOID_STAR) data_to_put); - } - else SLang_free_array (bt); - - return ret; -} - -static int -aput_from_index_array (SLang_Array_Type *at, SLang_Array_Type *ind_at) -{ - int *indices, *indices_max; - unsigned int sizeof_type; - char *data_to_put, *dest_data; - unsigned int data_increment; - int is_ptr; - SLang_Array_Type *bt; - SLang_Class_Type *cl; - int ret; - - if (-1 == coerse_array_to_linear (at)) - return -1; - - if (-1 == coerse_array_to_linear (ind_at)) - return -1; - - if (-1 == check_index_array_ranges (at, ind_at)) - return -1; - - sizeof_type = at->sizeof_type; - - cl = at->cl; - - /* Note that if bt is returned as non NULL, then the array is a linear - * one. - */ - if (-1 == aput_get_array_to_put (cl, ind_at->num_elements, 1, - &bt, &data_to_put, &data_increment)) - return -1; - - /* Since the index array is linear, I can address it directly */ - indices = (int *) ind_at->data; - indices_max = indices + ind_at->num_elements; - - is_ptr = (at->flags & SLARR_DATA_VALUE_IS_POINTER); - dest_data = (char *) at->data; - - ret = -1; - while (indices < indices_max) - { - unsigned int offset; - - offset = sizeof_type * (unsigned int)*indices; - - if (-1 == transfer_n_elements (at, (VOID_STAR) (dest_data + offset), - (VOID_STAR) data_to_put, sizeof_type, 1, - is_ptr)) - goto return_error; - - indices++; - data_to_put += data_increment; - } - - ret = 0; - /* Drop */ - - return_error: - - if (bt == NULL) - { - if (is_ptr) - (*cl->cl_destroy) (cl->cl_data_type, (VOID_STAR)data_to_put); - } - else SLang_free_array (bt); - - return ret; -} - -/* ARRAY[i, j, k] = generates code: __args i j k ARRAY __aput - */ -int _SLarray_aput (void) -{ - unsigned int num_indices; - SLang_Array_Type *at; - SLang_Object_Type index_objs [SLARRAY_MAX_DIMS]; - int ret; - int is_index_array; - int (*aput_fun) (unsigned char, unsigned int); - int type; - - ret = -1; - num_indices = (SLang_Num_Function_Args - 1); - - type = SLang_peek_at_stack (); - switch (type) - { - case -1: - return -1; - - case SLANG_ARRAY_TYPE: - break; - - default: - if (NULL != (aput_fun = _SLclass_get_class (type)->cl_aput)) - return (*aput_fun) (type, num_indices); - break; - } - - if (-1 == SLang_pop_array (&at, 0)) - return -1; - - if (at->flags & SLARR_DATA_VALUE_IS_READ_ONLY) - { - SLang_verror (SL_READONLY_ERROR, "%s Array is read-only", - SLclass_get_datatype_name (at->data_type)); - SLang_free_array (at); - return -1; - } - - if (-1 == pop_indices (index_objs, num_indices, &is_index_array)) - { - SLang_free_array (at); - return -1; - } - - if (is_index_array == 0) - ret = aput_from_indices (at, index_objs, num_indices); - else - ret = aput_from_index_array (at, index_objs[0].v.array_val); - - SLang_free_array (at); - free_index_objects (index_objs, num_indices); - return ret; -} - -/* This is for 1-d matrices only. It is used by the sort function */ -static int push_element_at_index (SLang_Array_Type *at, int indx) -{ - VOID_STAR data; - - if (NULL == (data = get_data_addr (at, &indx))) - return -1; - - return push_element_at_addr (at, (VOID_STAR) data, 1); -} - -static SLang_Name_Type *Sort_Function; -static SLang_Array_Type *Sort_Array; - -static int sort_cmp_fun (int *a, int *b) -{ - int cmp; - - if (SLang_Error - || (-1 == push_element_at_index (Sort_Array, *a)) - || (-1 == push_element_at_index (Sort_Array, *b)) - || (-1 == SLexecute_function (Sort_Function)) - || (-1 == SLang_pop_integer (&cmp))) - { - /* DO not allow qsort to loop forever. Return something meaningful */ - if (*a > *b) return 1; - if (*a < *b) return -1; - return 0; - } - - return cmp; -} - -static int builtin_sort_cmp_fun (int *a, int *b) -{ - VOID_STAR a_data; - VOID_STAR b_data; - SLang_Class_Type *cl; - - cl = Sort_Array->cl; - - if ((SLang_Error == 0) - && (NULL != (a_data = get_data_addr (Sort_Array, a))) - && (NULL != (b_data = get_data_addr (Sort_Array, b)))) - { - int cmp; - - if ((Sort_Array->flags & SLARR_DATA_VALUE_IS_POINTER) - && ((*(VOID_STAR *) a_data == NULL) || (*(VOID_STAR *) a_data == NULL))) - { - SLang_verror (SL_VARIABLE_UNINITIALIZED, - "%s array has unitialized element", cl->cl_name); - } - else if (0 == (*cl->cl_cmp)(Sort_Array->data_type, a_data, b_data, &cmp)) - return cmp; - } - - - if (*a > *b) return 1; - if (*a == *b) return 0; - return -1; -} - -static void sort_array_internal (SLang_Array_Type *at_str, - SLang_Name_Type *entry, - int (*sort_fun)(int *, int *)) -{ - SLang_Array_Type *ind_at; - /* This is a silly hack to make up for braindead compilers and the lack of - * uniformity in prototypes for qsort. - */ - void (*qsort_fun) (char *, unsigned int, int, int (*)(int *, int *)); - int *indx; - int i, n; - int dims[1]; - - if (Sort_Array != NULL) - { - SLang_verror (SL_NOT_IMPLEMENTED, "array_sort is not recursive"); - return; - } - - n = at_str->num_elements; - - if (at_str->num_dims != 1) - { - SLang_verror (SL_INVALID_PARM, "sort is restricted to 1 dim arrays"); - return; - } - - dims [0] = n; - - if (NULL == (ind_at = SLang_create_array (SLANG_INT_TYPE, 0, NULL, dims, 1))) - return; - - indx = (int *) ind_at->data; - for (i = 0; i < n; i++) indx[i] = i; - - if (n > 1) - { - qsort_fun = (void (*)(char *, unsigned int, int, int (*)(int *, - int *))) - qsort; - - Sort_Array = at_str; - Sort_Function = entry; - (*qsort_fun) ((char *) indx, n, sizeof (int), sort_fun); - } - - Sort_Array = NULL; - (void) SLang_push_array (ind_at, 1); -} - -static void sort_array (void) -{ - SLang_Name_Type *entry; - SLang_Array_Type *at; - int (*sort_fun) (int *, int *); - - if (SLang_Num_Function_Args != 1) - { - sort_fun = sort_cmp_fun; - - if (NULL == (entry = SLang_pop_function ())) - return; - - if (-1 == SLang_pop_array (&at, 1)) - return; - } - else - { - sort_fun = builtin_sort_cmp_fun; - if (-1 == SLang_pop_array (&at, 1)) - return; - if (at->cl->cl_cmp == NULL) - { - SLang_verror (SL_NOT_IMPLEMENTED, - "%s does not have a predefined sorting method", - at->cl->cl_name); - SLang_free_array (at); - return; - } - entry = NULL; - } - - sort_array_internal (at, entry, sort_fun); - SLang_free_array (at); - SLang_free_function (entry); -} - -static void bstring_to_array (SLang_BString_Type *bs) -{ - unsigned char *s; - unsigned int len; - - if (NULL == (s = SLbstring_get_pointer (bs, &len))) - (void) SLang_push_null (); - else - (void) push_string_as_array (s, len); -} - -static void array_to_bstring (SLang_Array_Type *at) -{ - unsigned int nbytes; - SLang_BString_Type *bs; - - nbytes = at->num_elements * at->sizeof_type; - bs = SLbstring_create ((unsigned char *)at->data, nbytes); - (void) SLang_push_bstring (bs); - SLbstring_free (bs); -} - -static void init_char_array (void) -{ - SLang_Array_Type *at; - char *s; - unsigned int n, ndim; - - if (SLang_pop_slstring (&s)) return; - - if (-1 == SLang_pop_array (&at, 0)) - goto free_and_return; - - if (at->data_type != SLANG_CHAR_TYPE) - { - SLang_doerror("Operation requires character array"); - goto free_and_return; - } - - n = strlen (s); - ndim = at->num_elements; - if (n > ndim) - { - SLang_doerror("String too big to init array"); - goto free_and_return; - } - - strncpy((char *) at->data, s, ndim); - /* drop */ - - free_and_return: - SLang_free_array (at); - SLang_free_slstring (s); -} - -static void array_info (void) -{ - SLang_Array_Type *at, *bt; - int num_dims; - - if (-1 == pop_array (&at, 1)) - return; - - num_dims = (int)at->num_dims; - - if (NULL != (bt = SLang_create_array (SLANG_INT_TYPE, 0, NULL, &num_dims, 1))) - { - int *bdata; - int i; - int *a_dims; - - a_dims = at->dims; - bdata = (int *) bt->data; - for (i = 0; i < num_dims; i++) bdata [i] = a_dims [i]; - - if (0 == SLang_push_array (bt, 1)) - { - (void) SLang_push_integer ((int) at->num_dims); - (void) _SLang_push_datatype (at->data_type); - } - } - - SLang_free_array (at); -} - -static VOID_STAR range_get_data_addr (SLang_Array_Type *at, int *dims) -{ - static int value; - SLarray_Range_Array_Type *r; - int d; - - d = *dims; - r = (SLarray_Range_Array_Type *)at->data; - - if (d < 0) - d += at->dims[0]; - - value = r->first_index + d * r->delta; - return (VOID_STAR) &value; -} - -static SLang_Array_Type *inline_implicit_int_array (int *xminptr, int *xmaxptr, int *dxptr) -{ - int delta; - SLang_Array_Type *at; - int dims, idims; - SLarray_Range_Array_Type *data; - - if (dxptr == NULL) delta = 1; - else delta = *dxptr; - - if (delta == 0) - { - SLang_verror (SL_INVALID_PARM, "range-array increment must be non-zero"); - return NULL; - } - - data = (SLarray_Range_Array_Type *) SLmalloc (sizeof (SLarray_Range_Array_Type)); - if (data == NULL) - return NULL; - - SLMEMSET((char *) data, 0, sizeof (SLarray_Range_Array_Type)); - data->delta = delta; - dims = 0; - - if (xminptr != NULL) - data->first_index = *xminptr; - else - data->first_index = 0; - - if (xmaxptr != NULL) - data->last_index = *xmaxptr; - else - data->last_index = -1; - -/* if ((xminptr != NULL) && (xmaxptr != NULL)) - { */ - idims = 1 + (data->last_index - data->first_index) / delta; - if (idims > 0) - dims = idims; - /* } */ - - if (NULL == (at = SLang_create_array (SLANG_INT_TYPE, 0, (VOID_STAR) data, &dims, 1))) - return NULL; - - at->index_fun = range_get_data_addr; - at->flags |= SLARR_DATA_VALUE_IS_RANGE; - - return at; -} - -#if SLANG_HAS_FLOAT -static SLang_Array_Type *inline_implicit_floating_array (unsigned char type, - double *xminptr, double *xmaxptr, double *dxptr) -{ - int n, i; - SLang_Array_Type *at; - int dims; - double xmin, xmax, dx; - - if ((xminptr == NULL) || (xmaxptr == NULL)) - { - SLang_verror (SL_INVALID_PARM, "range-array has unknown size"); - return NULL; - } - xmin = *xminptr; - xmax = *xmaxptr; - if (dxptr == NULL) dx = 1.0; - else dx = *dxptr; - - if (dx == 0.0) - { - SLang_doerror ("range-array increment must be non-zero"); - return NULL; - } - - /* I have convinced myself that it is better to use semi-open intervals - * because of less ambiguities. So, [a:b:c] will represent the set of - * values a, a + c, a + 2c ... a + nc - * such that a + nc < b. That is, b lies outside the interval. - */ - - /* Allow for roundoff by adding 0.5 before truncation */ - n = (int)(1.5 + ((xmax - xmin) / dx)); - if (n <= 0) - n = 0; - else - { - double last = xmin + (n-1) * dx; - - if (dx > 0.0) - { - if (last >= xmax) - n -= 1; - } - else if (last <= xmax) - n -= 1; - } - - dims = n; - if (NULL == (at = SLang_create_array1 (type, 0, NULL, &dims, 1, 1))) - return NULL; - - if (type == SLANG_DOUBLE_TYPE) - { - double *ptr; - - ptr = (double *) at->data; - - for (i = 0; i < n; i++) - ptr[i] = xmin + i * dx; - } - else - { - float *ptr; - - ptr = (float *) at->data; - - for (i = 0; i < n; i++) - ptr[i] = (float) (xmin + i * dx); - } - return at; -} -#endif - -/* FIXME: Priority=medium - * This needs to be updated to work with all integer types. - */ -int _SLarray_inline_implicit_array (void) -{ - int int_vals[3]; -#if SLANG_HAS_FLOAT - double double_vals[3]; -#endif - int has_vals[3]; - unsigned int i, count; - SLang_Array_Type *at; - int precedence; - unsigned char type; - int is_int; - - count = SLang_Num_Function_Args; - - if (count == 2) - has_vals [2] = 0; - else if (count != 3) - { - SLang_doerror ("wrong number of arguments to __implicit_inline_array"); - return -1; - } - -#if SLANG_HAS_FLOAT - is_int = 1; -#endif - - type = 0; - precedence = 0; - - i = count; - while (i--) - { - int this_type, this_precedence; - - if (-1 == (this_type = SLang_peek_at_stack ())) - return -1; - - this_precedence = _SLarith_get_precedence ((unsigned char) this_type); - if (precedence < this_precedence) - { - type = (unsigned char) this_type; - precedence = this_precedence; - } - - has_vals [i] = 1; - - switch (this_type) - { - case SLANG_NULL_TYPE: - has_vals[i] = 0; - (void) SLdo_pop (); - break; - -#if SLANG_HAS_FLOAT - case SLANG_DOUBLE_TYPE: - case SLANG_FLOAT_TYPE: - if (-1 == SLang_pop_double (double_vals + i, NULL, NULL)) - return -1; - is_int = 0; - break; -#endif - default: - if (-1 == SLang_pop_integer (int_vals + i)) - return -1; - double_vals[i] = (double) int_vals[i]; - } - } - -#if SLANG_HAS_FLOAT - if (is_int == 0) - at = inline_implicit_floating_array (type, - (has_vals[0] ? &double_vals[0] : NULL), - (has_vals[1] ? &double_vals[1] : NULL), - (has_vals[2] ? &double_vals[2] : NULL)); - else -#endif - at = inline_implicit_int_array ((has_vals[0] ? &int_vals[0] : NULL), - (has_vals[1] ? &int_vals[1] : NULL), - (has_vals[2] ? &int_vals[2] : NULL)); - - if (at == NULL) - return -1; - - return SLang_push_array (at, 1); -} - -int _SLarray_wildcard_array (void) -{ - SLang_Array_Type *at; - - if (NULL == (at = inline_implicit_int_array (NULL, NULL, NULL))) - return -1; - - return SLang_push_array (at, 1); -} - -static SLang_Array_Type *concat_arrays (unsigned int count) -{ - SLang_Array_Type **arrays; - SLang_Array_Type *at, *bt; - unsigned int i; - int num_elements; - unsigned char type; - char *src_data, *dest_data; - int is_ptr; - unsigned int sizeof_type; - int max_dims, min_dims, max_rows, min_rows; - - arrays = (SLang_Array_Type **)SLmalloc (count * sizeof (SLang_Array_Type *)); - if (arrays == NULL) - { - SLdo_pop_n (count); - return NULL; - } - SLMEMSET((char *) arrays, 0, count * sizeof(SLang_Array_Type *)); - - at = NULL; - - num_elements = 0; - i = count; - - while (i != 0) - { - i--; - - if (-1 == SLang_pop_array (&bt, 1)) - goto free_and_return; - - arrays[i] = bt; - num_elements += (int)bt->num_elements; - } - - type = arrays[0]->data_type; - max_dims = min_dims = arrays[0]->num_dims; - min_rows = max_rows = arrays[0]->dims[0]; - - for (i = 1; i < count; i++) - { - SLang_Array_Type *ct; - int num; - - bt = arrays[i]; - - num = bt->num_dims; - if (num > max_dims) max_dims = num; - if (num < min_dims) min_dims = num; - - num = bt->dims[0]; - if (num > max_rows) max_rows = num; - if (num < min_rows) min_rows = num; - - if (type == bt->data_type) - continue; - - if (1 != _SLarray_typecast (bt->data_type, (VOID_STAR) &bt, 1, - type, (VOID_STAR) &ct, 1)) - goto free_and_return; - - SLang_free_array (bt); - arrays [i] = ct; - } - - if (NULL == (at = SLang_create_array (type, 0, NULL, &num_elements, 1))) - goto free_and_return; - - is_ptr = (at->flags & SLARR_DATA_VALUE_IS_POINTER); - sizeof_type = at->sizeof_type; - dest_data = (char *) at->data; - - for (i = 0; i < count; i++) - { - bt = arrays[i]; - - src_data = (char *) bt->data; - num_elements = bt->num_elements; - - if (-1 == transfer_n_elements (bt, (VOID_STAR)dest_data, (VOID_STAR)src_data, sizeof_type, - num_elements, is_ptr)) - { - SLang_free_array (at); - at = NULL; - goto free_and_return; - } - - dest_data += num_elements * sizeof_type; - } - - /* If the arrays are all 1-d, and all the same size, then reshape to a - * 2-d array. This will allow us to do, e.g. - * a = [[1,2], [3,4]] - * to specifiy a 2-d. - * Someday I will generalize this. - */ - if ((max_dims == min_dims) && (max_dims == 1) && (min_rows == max_rows)) - { - at->num_dims = 2; - at->dims[0] = count; - at->dims[1] = min_rows; - } - - free_and_return: - - for (i = 0; i < count; i++) - SLang_free_array (arrays[i]); - SLfree ((char *) arrays); - - return at; -} - -int _SLarray_inline_array (void) -{ - SLang_Object_Type *obj; - unsigned char type, this_type; - unsigned int count; - SLang_Array_Type *at; - - obj = _SLStack_Pointer; - - count = SLang_Num_Function_Args; - type = 0; - - while ((count > 0) && (--obj >= _SLRun_Stack)) - { - this_type = obj->data_type; - - if (type == 0) - type = this_type; - - if ((type == this_type) || (type == SLANG_ARRAY_TYPE)) - { - count--; - continue; - } - - switch (this_type) - { - case SLANG_ARRAY_TYPE: - type = SLANG_ARRAY_TYPE; - break; - - case SLANG_INT_TYPE: - switch (type) - { -#if SLANG_HAS_FLOAT - case SLANG_DOUBLE_TYPE: - break; -#endif -#if SLANG_HAS_COMPLEX - case SLANG_COMPLEX_TYPE: - break; -#endif - default: - goto type_mismatch; - } - break; -#if SLANG_HAS_FLOAT - case SLANG_DOUBLE_TYPE: - switch (type) - { - case SLANG_INT_TYPE: - type = SLANG_DOUBLE_TYPE; - break; -# if SLANG_HAS_COMPLEX - case SLANG_COMPLEX_TYPE: - break; -# endif - default: - goto type_mismatch; - } - break; -#endif -#if SLANG_HAS_COMPLEX - case SLANG_COMPLEX_TYPE: - switch (type) - { - case SLANG_INT_TYPE: - case SLANG_DOUBLE_TYPE: - type = SLANG_COMPLEX_TYPE; - break; - - default: - goto type_mismatch; - } - break; -#endif - default: - type_mismatch: - _SLclass_type_mismatch_error (type, this_type); - return -1; - } - count--; - } - - if (count != 0) - { - SLang_Error = SL_STACK_UNDERFLOW; - return -1; - } - - count = SLang_Num_Function_Args; - - if (count == 0) - { - SLang_verror (SL_NOT_IMPLEMENTED, "Empty inline-arrays not supported"); - return -1; - } - - if (type == SLANG_ARRAY_TYPE) - { - if (NULL == (at = concat_arrays (count))) - return -1; - } - else - { - SLang_Object_Type index_obj; - int icount = (int) count; - - if (NULL == (at = SLang_create_array (type, 0, NULL, &icount, 1))) - return -1; - - index_obj.data_type = SLANG_INT_TYPE; - while (count != 0) - { - count--; - index_obj.v.int_val = (int) count; - if (-1 == aput_from_indices (at, &index_obj, 1)) - { - SLang_free_array (at); - SLdo_pop_n (count); - return -1; - } - } - } - - return SLang_push_array (at, 1); -} - -static int array_binary_op_result (int op, unsigned char a, unsigned char b, - unsigned char *c) -{ - (void) op; - (void) a; - (void) b; - *c = SLANG_ARRAY_TYPE; - return 1; -} - -static int array_binary_op (int op, - unsigned char a_type, VOID_STAR ap, unsigned int na, - unsigned char b_type, VOID_STAR bp, unsigned int nb, - VOID_STAR cp) -{ - SLang_Array_Type *at, *bt, *ct; - unsigned int i, num_dims; - int (*binary_fun) (int, - unsigned char, VOID_STAR, unsigned int, - unsigned char, VOID_STAR, unsigned int, - VOID_STAR); - SLang_Class_Type *a_cl, *b_cl, *c_cl; - int no_init; - - if (a_type == SLANG_ARRAY_TYPE) - { - if (na != 1) - { - SLang_verror (SL_NOT_IMPLEMENTED, "Binary operation on multiple arrays not implemented"); - return -1; - } - - at = *(SLang_Array_Type **) ap; - if (-1 == coerse_array_to_linear (at)) - return -1; - ap = at->data; - a_type = at->data_type; - na = at->num_elements; - } - else - { - at = NULL; - } - - if (b_type == SLANG_ARRAY_TYPE) - { - if (nb != 1) - { - SLang_verror (SL_NOT_IMPLEMENTED, "Binary operation on multiple arrays not implemented"); - return -1; - } - - bt = *(SLang_Array_Type **) bp; - if (-1 == coerse_array_to_linear (bt)) - return -1; - bp = bt->data; - b_type = bt->data_type; - nb = bt->num_elements; - } - else - { - bt = NULL; - } - - if ((at != NULL) && (bt != NULL)) - { - num_dims = at->num_dims; - - if (num_dims != bt->num_dims) - { - SLang_verror (SL_TYPE_MISMATCH, "Arrays must have same dim for binary operation"); - return -1; - } - - for (i = 0; i < num_dims; i++) - { - if (at->dims[i] != bt->dims[i]) - { - SLang_verror (SL_TYPE_MISMATCH, "Arrays must be the same for binary operation"); - return -1; - } - } - } - - a_cl = _SLclass_get_class (a_type); - b_cl = _SLclass_get_class (b_type); - - if (NULL == (binary_fun = _SLclass_get_binary_fun (op, a_cl, b_cl, &c_cl, 1))) - return -1; - - no_init = ((c_cl->cl_class_type == SLANG_CLASS_TYPE_SCALAR) - || (c_cl->cl_class_type == SLANG_CLASS_TYPE_VECTOR)); - - ct = NULL; -#if _SLANG_USE_TMP_OPTIMIZATION - /* If we are dealing with scalar (or vector) objects, and if the object - * appears to be owned by the stack, then use it instead of creating a - * new version. This can happen with code such as: - * @ x = [1,2,3,4]; - * @ x = __tmp(x) + 1; - */ - if (no_init) - { - if ((at != NULL) - && (at->num_refs == 1) - && (at->data_type == c_cl->cl_data_type)) - { - ct = at; - ct->num_refs = 2; - } - else if ((bt != NULL) - && (bt->num_refs == 1) - && (bt->data_type == c_cl->cl_data_type)) - { - ct = bt; - ct->num_refs = 2; - } - } -#endif /* _SLANG_USE_TMP_OPTIMIZATION */ - - if (ct == NULL) - { - if (at != NULL) ct = at; else ct = bt; - ct = SLang_create_array1 (c_cl->cl_data_type, 0, NULL, ct->dims, ct->num_dims, no_init); - if (ct == NULL) - return -1; - } - - - if ((na == 0) || (nb == 0) /* allow empty arrays */ - || (1 == (*binary_fun) (op, a_type, ap, na, b_type, bp, nb, ct->data))) - { - *(SLang_Array_Type **) cp = ct; - return 1; - } - - SLang_free_array (ct); - return -1; -} - -static void array_where (void) -{ - SLang_Array_Type *at, *bt; - char *a_data; - int *b_data; - unsigned int i, num_elements; - int b_num; - - if (-1 == SLang_pop_array (&at, 1)) - return; - - bt = NULL; - - if (at->data_type != SLANG_CHAR_TYPE) - { - int zero; - SLang_Array_Type *tmp_at; - - tmp_at = at; - zero = 0; - if (1 != array_binary_op (SLANG_NE, - SLANG_ARRAY_TYPE, (VOID_STAR) &at, 1, - SLANG_CHAR_TYPE, (VOID_STAR) &zero, 1, - (VOID_STAR) &tmp_at)) - goto return_error; - - SLang_free_array (at); - at = tmp_at; - if (at->data_type != SLANG_CHAR_TYPE) - { - SLang_Error = SL_TYPE_MISMATCH; - goto return_error; - } - } - - a_data = (char *) at->data; - num_elements = at->num_elements; - - b_num = 0; - for (i = 0; i < num_elements; i++) - if (a_data[i] != 0) b_num++; - - if (NULL == (bt = SLang_create_array1 (SLANG_INT_TYPE, 0, NULL, &b_num, 1, 1))) - goto return_error; - - b_data = (int *) bt->data; - - i = 0; - while (b_num) - { - if (a_data[i] != 0) - { - *b_data++ = i; - b_num--; - } - - i++; - } - - (void) SLang_push_array (bt, 0); - /* drop */ - - return_error: - SLang_free_array (at); - SLang_free_array (bt); -} - -static int do_array_reshape (SLang_Array_Type *at, SLang_Array_Type *ind_at) -{ - int *dims; - unsigned int i, num_dims; - unsigned int num_elements; - - if ((ind_at->data_type != SLANG_INT_TYPE) - || (ind_at->num_dims != 1)) - { - SLang_verror (SL_TYPE_MISMATCH, "Expecting 1-d integer array"); - return -1; - } - - num_dims = ind_at->num_elements; - dims = (int *) ind_at->data; - - num_elements = 1; - for (i = 0; i < num_dims; i++) - { - int d = dims[i]; - if (d < 0) - { - SLang_verror (SL_INVALID_PARM, "reshape: dimension is less then 0"); - return -1; - } - - num_elements = (unsigned int) d * num_elements; - } - - if ((num_elements != at->num_elements) - || (num_dims > SLARRAY_MAX_DIMS)) - { - SLang_verror (SL_INVALID_PARM, "Unable to reshape array to specified size"); - return -1; - } - - for (i = 0; i < num_dims; i++) - at->dims [i] = dims[i]; - - while (i < SLARRAY_MAX_DIMS) - { - at->dims [i] = 1; - i++; - } - - at->num_dims = num_dims; - return 0; -} - -static void array_reshape (SLang_Array_Type *at, SLang_Array_Type *ind_at) -{ - (void) do_array_reshape (at, ind_at); -} - -static void _array_reshape (SLang_Array_Type *ind_at) -{ - SLang_Array_Type *at; - SLang_Array_Type *new_at; - - if (-1 == SLang_pop_array (&at, 1)) - return; - - /* FIXME: Priority=low: duplicate_array could me modified to look at num_refs */ - - /* Now try to avoid the overhead of creating a new array if possible */ - if (at->num_refs == 1) - { - /* Great, we are the sole owner of this array. */ - if ((-1 == do_array_reshape (at, ind_at)) - || (-1 == SLclass_push_ptr_obj (SLANG_ARRAY_TYPE, (VOID_STAR)at))) - SLang_free_array (at); - return; - } - - new_at = SLang_duplicate_array (at); - if (new_at != NULL) - { - if (0 == do_array_reshape (new_at, ind_at)) - (void) SLang_push_array (new_at, 0); - - SLang_free_array (new_at); - } - SLang_free_array (at); -} - -typedef struct -{ - SLang_Array_Type *at; - unsigned int increment; - char *addr; -} -Map_Arg_Type; -/* Usage: array_map (Return-Type, func, args,....); */ -static void array_map (void) -{ - Map_Arg_Type *args; - unsigned int num_args; - unsigned int i, i_control; - SLang_Name_Type *nt; - unsigned int num_elements; - SLang_Array_Type *at; - char *addr; - unsigned char type; - - at = NULL; - args = NULL; - nt = NULL; - - if (SLang_Num_Function_Args < 3) - { - SLang_verror (SL_INVALID_PARM, - "Usage: array_map (Return-Type, &func, args...)"); - SLdo_pop_n (SLang_Num_Function_Args); - return; - } - - num_args = (unsigned int)SLang_Num_Function_Args - 2; - args = (Map_Arg_Type *) SLmalloc (num_args * sizeof (Map_Arg_Type)); - if (args == NULL) - { - SLdo_pop_n (SLang_Num_Function_Args); - return; - } - memset ((char *) args, 0, num_args * sizeof (Map_Arg_Type)); - i = num_args; - i_control = 0; - while (i > 0) - { - i--; - if (-1 == SLang_pop_array (&args[i].at, 1)) - { - SLdo_pop_n (i + 2); - goto return_error; - } - if (args[i].at->num_elements > 1) - i_control = i; - } - - if (NULL == (nt = SLang_pop_function ())) - { - SLdo_pop_n (1); - goto return_error; - } - - num_elements = args[i_control].at->num_elements; - - if (-1 == _SLang_pop_datatype (&type)) - goto return_error; - - if (type == SLANG_UNDEFINED_TYPE) /* Void_Type */ - at = NULL; - else - { - at = args[i_control].at; - - if (NULL == (at = SLang_create_array (type, 0, NULL, at->dims, at->num_dims))) - goto return_error; - } - - - for (i = 0; i < num_args; i++) - { - SLang_Array_Type *ati = args[i].at; - /* FIXME: Priority = low: The actual dimensions should be compared. */ - if (ati->num_elements == num_elements) - args[i].increment = ati->sizeof_type; - /* memset already guarantees increment to be zero */ - - if (ati->num_elements == 0) - { - SLang_verror (0, "array_map: function argument %d of %d is an empty array", - i+1, num_args); - goto return_error; - } - - args[i].addr = (char *) ati->data; - } - - if (at == NULL) - addr = NULL; - else - addr = (char *)at->data; - - for (i = 0; i < num_elements; i++) - { - unsigned int j; - - if (-1 == SLang_start_arg_list ()) - goto return_error; - - for (j = 0; j < num_args; j++) - { - if (-1 == push_element_at_addr (args[j].at, - (VOID_STAR) args[j].addr, - 1)) - { - SLdo_pop_n (j); - goto return_error; - } - - args[j].addr += args[j].increment; - } - - if (-1 == SLang_end_arg_list ()) - { - SLdo_pop_n (num_args); - goto return_error; - } - - if (-1 == SLexecute_function (nt)) - goto return_error; - - if (at == NULL) - continue; - - if (-1 == at->cl->cl_apop (type, (VOID_STAR) addr)) - goto return_error; - - addr += at->sizeof_type; - } - - if (at != NULL) - (void) SLang_push_array (at, 0); - - /* drop */ - - return_error: - SLang_free_array (at); - SLang_free_function (nt); - if (args != NULL) - { - for (i = 0; i < num_args; i++) - SLang_free_array (args[i].at); - - SLfree ((char *) args); - } -} - -static SLang_Intrin_Fun_Type Array_Table [] = -{ - MAKE_INTRINSIC_0("array_map", array_map, SLANG_VOID_TYPE), - MAKE_INTRINSIC_0("array_sort", sort_array, SLANG_VOID_TYPE), - MAKE_INTRINSIC_1("array_to_bstring", array_to_bstring, SLANG_VOID_TYPE, SLANG_ARRAY_TYPE), - MAKE_INTRINSIC_1("bstring_to_array", bstring_to_array, SLANG_VOID_TYPE, SLANG_BSTRING_TYPE), - MAKE_INTRINSIC("init_char_array", init_char_array, SLANG_VOID_TYPE, 0), - MAKE_INTRINSIC("array_info", array_info, SLANG_VOID_TYPE, 0), - MAKE_INTRINSIC("where", array_where, SLANG_VOID_TYPE, 0), - MAKE_INTRINSIC_2("reshape", array_reshape, SLANG_VOID_TYPE, SLANG_ARRAY_TYPE, SLANG_ARRAY_TYPE), - MAKE_INTRINSIC_1("_reshape", _array_reshape, SLANG_VOID_TYPE, SLANG_ARRAY_TYPE), - SLANG_END_INTRIN_FUN_TABLE -}; - -static char *array_string (unsigned char type, VOID_STAR v) -{ - SLang_Array_Type *at; - char buf[512]; - unsigned int i, num_dims; - int *dims; - - at = *(SLang_Array_Type **) v; - type = at->data_type; - num_dims = at->num_dims; - dims = at->dims; - - sprintf (buf, "%s[%d", SLclass_get_datatype_name (type), at->dims[0]); - - for (i = 1; i < num_dims; i++) - sprintf (buf + strlen(buf), ",%d", dims[i]); - strcat (buf, "]"); - - return SLmake_string (buf); -} - -static void array_destroy (unsigned char type, VOID_STAR v) -{ - (void) type; - SLang_free_array (*(SLang_Array_Type **) v); -} - -static int array_push (unsigned char type, VOID_STAR v) -{ - SLang_Array_Type *at; - - (void) type; - at = *(SLang_Array_Type **) v; - return SLang_push_array (at, 0); -} - -/* Intrinsic arrays are not stored in a variable. So, the address that - * would contain the variable holds the array address. - */ -static int array_push_intrinsic (unsigned char type, VOID_STAR v) -{ - (void) type; - return SLang_push_array ((SLang_Array_Type *) v, 0); -} - -int _SLarray_add_bin_op (unsigned char type) -{ - SL_OOBinary_Type *ab; - SLang_Class_Type *cl; - - cl = _SLclass_get_class (type); - ab = cl->cl_binary_ops; - - while (ab != NULL) - { - if (ab->data_type == SLANG_ARRAY_TYPE) - return 0; - ab = ab->next; - } - - if ((-1 == SLclass_add_binary_op (SLANG_ARRAY_TYPE, type, array_binary_op, array_binary_op_result)) - || (-1 == SLclass_add_binary_op (type, SLANG_ARRAY_TYPE, array_binary_op, array_binary_op_result))) - return -1; - - return 0; -} - -static SLang_Array_Type * -do_array_math_op (int op, int unary_type, - SLang_Array_Type *at, unsigned int na) -{ - unsigned char a_type, b_type; - int (*f) (int, unsigned char, VOID_STAR, unsigned int, VOID_STAR); - SLang_Array_Type *bt; - SLang_Class_Type *b_cl; - int no_init; - - if (na != 1) - { - SLang_verror (SL_NOT_IMPLEMENTED, "Operation restricted to 1 array"); - return NULL; - } - - a_type = at->data_type; - if (NULL == (f = _SLclass_get_unary_fun (op, at->cl, &b_cl, unary_type))) - return NULL; - b_type = b_cl->cl_data_type; - - if (-1 == coerse_array_to_linear (at)) - return NULL; - - no_init = ((b_cl->cl_class_type == SLANG_CLASS_TYPE_SCALAR) - || (b_cl->cl_class_type == SLANG_CLASS_TYPE_VECTOR)); - -#if _SLANG_USE_TMP_OPTIMIZATION - /* If we are dealing with scalar (or vector) objects, and if the object - * appears to be owned by the stack, then use it instead of creating a - * new version. This can happen with code such as: - * @ x = [1,2,3,4]; - * @ x = UNARY_OP(__tmp(x)); - */ - if (no_init - && (at->num_refs == 1) - && (at->data_type == b_cl->cl_data_type)) - { - bt = at; - bt->num_refs = 2; - } - else -#endif /* _SLANG_USE_TMP_OPTIMIZATION */ - if (NULL == (bt = SLang_create_array1 (b_type, 0, NULL, at->dims, at->num_dims, no_init))) - return NULL; - - if (1 != (*f)(op, a_type, at->data, at->num_elements, bt->data)) - { - SLang_free_array (bt); - return NULL; - } - return bt; -} - -static int -array_unary_op_result (int op, unsigned char a, unsigned char *b) -{ - (void) op; - (void) a; - *b = SLANG_ARRAY_TYPE; - return 1; -} - -static int -array_unary_op (int op, - unsigned char a, VOID_STAR ap, unsigned int na, - VOID_STAR bp) -{ - SLang_Array_Type *at; - - (void) a; - at = *(SLang_Array_Type **) ap; - if (NULL == (at = do_array_math_op (op, _SLANG_BC_UNARY, at, na))) - { - if (SLang_Error) return -1; - return 0; - } - *(SLang_Array_Type **) bp = at; - return 1; -} - -static int -array_math_op (int op, - unsigned char a, VOID_STAR ap, unsigned int na, - VOID_STAR bp) -{ - SLang_Array_Type *at; - - (void) a; - at = *(SLang_Array_Type **) ap; - if (NULL == (at = do_array_math_op (op, _SLANG_BC_MATH_UNARY, at, na))) - { - if (SLang_Error) return -1; - return 0; - } - *(SLang_Array_Type **) bp = at; - return 1; -} - -static int -array_app_op (int op, - unsigned char a, VOID_STAR ap, unsigned int na, - VOID_STAR bp) -{ - SLang_Array_Type *at; - - (void) a; - at = *(SLang_Array_Type **) ap; - if (NULL == (at = do_array_math_op (op, _SLANG_BC_APP_UNARY, at, na))) - { - if (SLang_Error) return -1; - return 0; - } - *(SLang_Array_Type **) bp = at; - return 1; -} - -int -_SLarray_typecast (unsigned char a_type, VOID_STAR ap, unsigned int na, - unsigned char b_type, VOID_STAR bp, - int is_implicit) -{ - SLang_Array_Type *at, *bt; - SLang_Class_Type *b_cl; - int no_init; - int (*t) (unsigned char, VOID_STAR, unsigned int, unsigned char, VOID_STAR); - - if (na != 1) - { - SLang_verror (SL_NOT_IMPLEMENTED, "typecast of multiple arrays not implemented"); - return -1; - } - - at = *(SLang_Array_Type **) ap; - a_type = at->data_type; - - if (a_type == b_type) - { - at->num_refs += 1; - *(SLang_Array_Type **) bp = at; - return 1; - } - - if (NULL == (t = _SLclass_get_typecast (a_type, b_type, is_implicit))) - return -1; - - if (-1 == coerse_array_to_linear (at)) - return -1; - - b_cl = _SLclass_get_class (b_type); - - no_init = ((b_cl->cl_class_type == SLANG_CLASS_TYPE_SCALAR) - || (b_cl->cl_class_type == SLANG_CLASS_TYPE_VECTOR)); - - if (NULL == (bt = SLang_create_array1 (b_type, 0, NULL, at->dims, at->num_dims, no_init))) - return -1; - - if (1 == (*t) (a_type, at->data, at->num_elements, b_type, bt->data)) - { - *(SLang_Array_Type **) bp = bt; - return 1; - } - - SLang_free_array (bt); - return 0; -} - -SLang_Array_Type *SLang_duplicate_array (SLang_Array_Type *at) -{ - SLang_Array_Type *bt; - char *data, *a_data; - unsigned int i, num_elements, sizeof_type; - unsigned int size; - int (*cl_acopy) (unsigned char, VOID_STAR, VOID_STAR); - unsigned char type; - - if (-1 == coerse_array_to_linear (at)) - return NULL; - - type = at->data_type; - num_elements = at->num_elements; - sizeof_type = at->sizeof_type; - size = num_elements * sizeof_type; - - if (NULL == (data = SLmalloc (size))) - return NULL; - - if (NULL == (bt = SLang_create_array (type, 0, (VOID_STAR)data, at->dims, at->num_dims))) - { - SLfree (data); - return NULL; - } - - a_data = (char *) at->data; - if (0 == (at->flags & SLARR_DATA_VALUE_IS_POINTER)) - { - SLMEMCPY (data, a_data, size); - return bt; - } - - SLMEMSET (data, 0, size); - - cl_acopy = at->cl->cl_acopy; - for (i = 0; i < num_elements; i++) - { - if (NULL != *(VOID_STAR *) a_data) - { - if (-1 == (*cl_acopy) (type, (VOID_STAR) a_data, (VOID_STAR) data)) - { - SLang_free_array (bt); - return NULL; - } - } - - data += sizeof_type; - a_data += sizeof_type; - } - - return bt; -} - -static int array_dereference (unsigned char type, VOID_STAR addr) -{ - SLang_Array_Type *at; - - (void) type; - at = SLang_duplicate_array (*(SLang_Array_Type **) addr); - if (at == NULL) return -1; - return SLang_push_array (at, 1); -} - -/* This function gets called via, e.g., @Array_Type (Double_Type, [10,20]); - */ -static int -array_datatype_deref (unsigned char type) -{ - SLang_Array_Type *ind_at; - SLang_Array_Type *at; - -#if 0 - /* The parser generated code for this as if a function call were to be - * made. However, the interpreter simply called the deref object routine - * instead of the function call. So, I must simulate the function call. - * This needs to be formalized to hide this detail from applications - * who wish to do the same. So... - * FIXME: Priority=medium - */ - if (0 == _SL_increment_frame_pointer ()) - (void) _SL_decrement_frame_pointer (); -#endif - - if (-1 == SLang_pop_array (&ind_at, 1)) - return -1; - - if ((ind_at->data_type != SLANG_INT_TYPE) - || (ind_at->num_dims != 1)) - { - SLang_verror (SL_TYPE_MISMATCH, "Expecting 1-d integer array"); - goto return_error; - } - - if (-1 == _SLang_pop_datatype (&type)) - goto return_error; - - if (NULL == (at = SLang_create_array (type, 0, NULL, - (int *) ind_at->data, - ind_at->num_elements))) - goto return_error; - - SLang_free_array (ind_at); - return SLang_push_array (at, 1); - - return_error: - SLang_free_array (ind_at); - return -1; -} - -static int array_length (unsigned char type, VOID_STAR v, unsigned int *len) -{ - SLang_Array_Type *at; - - (void) type; - at = *(SLang_Array_Type **) v; - *len = at->num_elements; - return 0; -} - -int -_SLarray_init_slarray (void) -{ - SLang_Class_Type *cl; - - if (-1 == SLadd_intrin_fun_table (Array_Table, NULL)) - return -1; - - if (NULL == (cl = SLclass_allocate_class ("Array_Type"))) - return -1; - - (void) SLclass_set_string_function (cl, array_string); - (void) SLclass_set_destroy_function (cl, array_destroy); - (void) SLclass_set_push_function (cl, array_push); - cl->cl_push_intrinsic = array_push_intrinsic; - cl->cl_dereference = array_dereference; - cl->cl_datatype_deref = array_datatype_deref; - cl->cl_length = array_length; - - if (-1 == SLclass_register_class (cl, SLANG_ARRAY_TYPE, sizeof (VOID_STAR), - SLANG_CLASS_TYPE_PTR)) - return -1; - - if ((-1 == SLclass_add_binary_op (SLANG_ARRAY_TYPE, SLANG_ARRAY_TYPE, array_binary_op, array_binary_op_result)) - || (-1 == SLclass_add_unary_op (SLANG_ARRAY_TYPE, array_unary_op, array_unary_op_result)) - || (-1 == SLclass_add_app_unary_op (SLANG_ARRAY_TYPE, array_app_op, array_unary_op_result)) - || (-1 == SLclass_add_math_op (SLANG_ARRAY_TYPE, array_math_op, array_unary_op_result)) - || (-1 == SLclass_add_math_op (SLANG_ARRAY_TYPE, array_math_op, array_unary_op_result))) - return -1; - - return 0; -} - -int SLang_pop_array (SLang_Array_Type **at_ptr, int convert_scalar) -{ - if (-1 == pop_array (at_ptr, convert_scalar)) - return -1; - - if (-1 == coerse_array_to_linear (*at_ptr)) - { - SLang_free_array (*at_ptr); - return -1; - } - return 0; -} - -int SLang_pop_array_of_type (SLang_Array_Type **at, unsigned char type) -{ - if (-1 == SLclass_typecast (type, 1, 1)) - return -1; - - return SLang_pop_array (at, 1); -} - -void (*_SLang_Matrix_Multiply)(void); - -int _SLarray_matrix_multiply (void) -{ - if (_SLang_Matrix_Multiply != NULL) - { - (*_SLang_Matrix_Multiply)(); - return 0; - } - SLang_verror (SL_NOT_IMPLEMENTED, "Matrix multiplication not available"); - return -1; -} - -struct _SLang_Foreach_Context_Type -{ - SLang_Array_Type *at; - unsigned int next_element_index; -}; - -SLang_Foreach_Context_Type * -_SLarray_cl_foreach_open (unsigned char type, unsigned int num) -{ - SLang_Foreach_Context_Type *c; - - if (num != 0) - { - SLdo_pop_n (num + 1); - SLang_verror (SL_NOT_IMPLEMENTED, - "%s does not support 'foreach using' form", - SLclass_get_datatype_name (type)); - return NULL; - } - - if (NULL == (c = (SLang_Foreach_Context_Type *) SLmalloc (sizeof (SLang_Foreach_Context_Type)))) - return NULL; - - memset ((char *) c, 0, sizeof (SLang_Foreach_Context_Type)); - - if (-1 == pop_array (&c->at, 1)) - { - SLfree ((char *) c); - return NULL; - } - - return c; -} - -void _SLarray_cl_foreach_close (unsigned char type, SLang_Foreach_Context_Type *c) -{ - (void) type; - if (c == NULL) return; - SLang_free_array (c->at); - SLfree ((char *) c); -} - -int _SLarray_cl_foreach (unsigned char type, SLang_Foreach_Context_Type *c) -{ - SLang_Array_Type *at; - VOID_STAR data; - - (void) type; - - if (c == NULL) - return -1; - - at = c->at; - if (at->num_elements == c->next_element_index) - return 0; - - /* FIXME: Priority = low. The following assumes linear arrays - * or Integer range arrays. Fixing it right requires a method to get the - * nth element of a multidimensional array. - */ - - if (at->flags & SLARR_DATA_VALUE_IS_RANGE) - { - int d = (int) c->next_element_index; - data = range_get_data_addr (at, &d); - } - else - data = (VOID_STAR) ((char *)at->data + (c->next_element_index * at->sizeof_type)); - - c->next_element_index += 1; - - if ((at->flags & SLARR_DATA_VALUE_IS_POINTER) - && (*(VOID_STAR *) data == NULL)) - { - if (-1 == SLang_push_null ()) - return -1; - } - else if (-1 == (*at->cl->cl_apush)(at->data_type, data)) - return -1; - - /* keep going */ - return 1; -} - diff --git a/mdk-stage1/slang/slarrfun.c b/mdk-stage1/slang/slarrfun.c deleted file mode 100644 index bfa6ec5e5..000000000 --- a/mdk-stage1/slang/slarrfun.c +++ /dev/null @@ -1,464 +0,0 @@ -/* Advanced array manipulation routines for S-Lang */ -/* Copyright (c) 1998, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -static int next_transposed_index (int *dims, int *max_dims, unsigned int num_dims) -{ - int i; - - for (i = 0; i < (int) num_dims; i++) - { - int dims_i; - - dims_i = dims [i] + 1; - if (dims_i != (int) max_dims [i]) - { - dims [i] = dims_i; - return 0; - } - dims [i] = 0; - } - - return -1; -} - -static SLang_Array_Type *allocate_transposed_array (SLang_Array_Type *at) -{ - unsigned int num_elements; - SLang_Array_Type *bt; - VOID_STAR b_data; - - num_elements = at->num_elements; - b_data = (VOID_STAR) SLmalloc (at->sizeof_type * num_elements); - if (b_data == NULL) - return NULL; - - bt = SLang_create_array (at->data_type, 0, b_data, at->dims, 2); - if (bt == NULL) - { - SLfree ((char *)b_data); - return NULL; - } - - bt->dims[1] = at->dims[0]; - bt->dims[0] = at->dims[1]; - - return bt; -} - -#define GENERIC_TYPE float -#define TRANSPOSE_2D_ARRAY transpose_floats -#define GENERIC_TYPE_A float -#define GENERIC_TYPE_B float -#define GENERIC_TYPE_C float -#define INNERPROD_FUNCTION innerprod_float_float -#if SLANG_HAS_COMPLEX -# define INNERPROD_COMPLEX_A innerprod_complex_float -# define INNERPROD_A_COMPLEX innerprod_float_complex -#endif -#include "slarrfun.inc" - -#define GENERIC_TYPE double -#define TRANSPOSE_2D_ARRAY transpose_doubles -#define GENERIC_TYPE_A double -#define GENERIC_TYPE_B double -#define GENERIC_TYPE_C double -#define INNERPROD_FUNCTION innerprod_double_double -#if SLANG_HAS_COMPLEX -# define INNERPROD_COMPLEX_A innerprod_complex_double -# define INNERPROD_A_COMPLEX innerprod_double_complex -#endif -#include "slarrfun.inc" - -#define GENERIC_TYPE_A double -#define GENERIC_TYPE_B float -#define GENERIC_TYPE_C double -#define INNERPROD_FUNCTION innerprod_double_float -#include "slarrfun.inc" - -#define GENERIC_TYPE_A float -#define GENERIC_TYPE_B double -#define GENERIC_TYPE_C double -#define INNERPROD_FUNCTION innerprod_float_double -#include "slarrfun.inc" - -/* Finally pick up the complex_complex multiplication - * and do the integers - */ -#if SLANG_HAS_COMPLEX -# define INNERPROD_COMPLEX_COMPLEX innerprod_complex_complex -#endif -#define GENERIC_TYPE int -#define TRANSPOSE_2D_ARRAY transpose_ints -#include "slarrfun.inc" - -#if SIZEOF_LONG != SIZEOF_INT -# define GENERIC_TYPE long -# define TRANSPOSE_2D_ARRAY transpose_longs -# include "slarrfun.inc" -#else -# define transpose_longs transpose_ints -#endif - -#if SIZEOF_SHORT != SIZEOF_INT -# define GENERIC_TYPE short -# define TRANSPOSE_2D_ARRAY transpose_shorts -# include "slarrfun.inc" -#else -# define transpose_shorts transpose_ints -#endif - -#define GENERIC_TYPE char -#define TRANSPOSE_2D_ARRAY transpose_chars -#include "slarrfun.inc" - -/* This routine works only with linear arrays */ -static SLang_Array_Type *transpose (SLang_Array_Type *at) -{ - int dims [SLARRAY_MAX_DIMS]; - int *max_dims; - unsigned int num_dims; - SLang_Array_Type *bt; - int i; - unsigned int sizeof_type; - int is_ptr; - char *b_data; - - max_dims = at->dims; - num_dims = at->num_dims; - - if ((at->num_elements == 0) - || (num_dims == 1)) - { - bt = SLang_duplicate_array (at); - if (num_dims == 1) bt->num_dims = 2; - goto transpose_dims; - } - - /* For numeric arrays skip the overhead below */ - if (num_dims == 2) - { - bt = allocate_transposed_array (at); - if (bt == NULL) return NULL; - - switch (at->data_type) - { - case SLANG_INT_TYPE: - case SLANG_UINT_TYPE: - return transpose_ints (at, bt); - case SLANG_DOUBLE_TYPE: - return transpose_doubles (at, bt); - case SLANG_FLOAT_TYPE: - return transpose_floats (at, bt); - case SLANG_CHAR_TYPE: - case SLANG_UCHAR_TYPE: - return transpose_chars (at, bt); - case SLANG_LONG_TYPE: - case SLANG_ULONG_TYPE: - return transpose_longs (at, bt); - case SLANG_SHORT_TYPE: - case SLANG_USHORT_TYPE: - return transpose_shorts (at, bt); - } - } - else - { - bt = SLang_create_array (at->data_type, 0, NULL, max_dims, num_dims); - if (bt == NULL) return NULL; - } - - sizeof_type = at->sizeof_type; - is_ptr = (at->flags & SLARR_DATA_VALUE_IS_POINTER); - - memset ((char *)dims, 0, sizeof(dims)); - - b_data = (char *) bt->data; - - do - { - if (-1 == _SLarray_aget_transfer_elem (at, dims, (VOID_STAR) b_data, - sizeof_type, is_ptr)) - { - SLang_free_array (bt); - return NULL; - } - b_data += sizeof_type; - } - while (0 == next_transposed_index (dims, max_dims, num_dims)); - - transpose_dims: - - num_dims = bt->num_dims; - for (i = 0; i < (int) num_dims; i++) - bt->dims[i] = max_dims [num_dims - i - 1]; - - return bt; -} - -static void array_transpose (SLang_Array_Type *at) -{ - if (NULL != (at = transpose (at))) - (void) SLang_push_array (at, 1); -} - -static int get_inner_product_parms (SLang_Array_Type *a, int *dp, - unsigned int *loops, unsigned int *other) -{ - int num_dims; - int d; - - d = *dp; - - num_dims = (int)a->num_dims; - if (num_dims == 0) - { - SLang_verror (SL_INVALID_PARM, "Inner-product operation requires an array of at least 1 dimension."); - return -1; - } - - /* An index of -1 refers to last dimension */ - if (d == -1) - d += num_dims; - *dp = d; - - if (a->num_elements == 0) - { /* [] # [] ==> [] */ - *loops = *other = 0; - return 0; - } - - *loops = a->num_elements / a->dims[d]; - - if (d == 0) - { - *other = *loops; /* a->num_elements / a->dims[0]; */ - return 0; - } - - *other = a->dims[d]; - return 0; -} - -/* This routines takes two arrays A_i..j and B_j..k and produces a third - * via C_i..k = A_i..j B_j..k. - * - * If A is a vector, and B is a 2-d matrix, then regard A as a 2-d matrix - * with 1-column. - */ -static void do_inner_product (void) -{ - SLang_Array_Type *a, *b, *c; - void (*fun)(SLang_Array_Type *, SLang_Array_Type *, SLang_Array_Type *, - unsigned int, unsigned int, unsigned int, unsigned int, - unsigned int); - unsigned char c_type; - int dims[SLARRAY_MAX_DIMS]; - int status; - unsigned int a_loops, b_loops, b_inc, a_stride; - int ai_dims, i, j; - unsigned int num_dims, a_num_dims, b_num_dims; - int ai, bi; - - /* The result of a inner_product will be either a float, double, or - * a complex number. - * - * If an integer array is used, it will be promoted to a float. - */ - - switch (SLang_peek_at_stack1 ()) - { - case SLANG_DOUBLE_TYPE: - if (-1 == SLang_pop_array_of_type (&b, SLANG_DOUBLE_TYPE)) - return; - break; - -#if SLANG_HAS_COMPLEX - case SLANG_COMPLEX_TYPE: - if (-1 == SLang_pop_array_of_type (&b, SLANG_COMPLEX_TYPE)) - return; - break; -#endif - case SLANG_FLOAT_TYPE: - default: - if (-1 == SLang_pop_array_of_type (&b, SLANG_FLOAT_TYPE)) - return; - break; - } - - switch (SLang_peek_at_stack1 ()) - { - case SLANG_DOUBLE_TYPE: - status = SLang_pop_array_of_type (&a, SLANG_DOUBLE_TYPE); - break; - -#if SLANG_HAS_COMPLEX - case SLANG_COMPLEX_TYPE: - status = SLang_pop_array_of_type (&a, SLANG_COMPLEX_TYPE); - break; -#endif - case SLANG_FLOAT_TYPE: - default: - status = SLang_pop_array_of_type (&a, SLANG_FLOAT_TYPE); - break; - } - - if (status == -1) - { - SLang_free_array (b); - return; - } - - ai = -1; /* last index of a */ - bi = 0; /* first index of b */ - if ((-1 == get_inner_product_parms (a, &ai, &a_loops, &a_stride)) - || (-1 == get_inner_product_parms (b, &bi, &b_loops, &b_inc))) - { - SLang_verror (SL_TYPE_MISMATCH, "Array dimensions are not compatible for inner-product"); - goto free_and_return; - } - - a_num_dims = a->num_dims; - b_num_dims = b->num_dims; - - /* Coerse a 1-d vector to 2-d */ - if ((a_num_dims == 1) - && (b_num_dims == 2) - && (a->num_elements)) - { - a_num_dims = 2; - ai = 1; - a_loops = a->num_elements; - a_stride = 1; - } - - if ((ai_dims = a->dims[ai]) != b->dims[bi]) - { - SLang_verror (SL_TYPE_MISMATCH, "Array dimensions are not compatible for inner-product"); - goto free_and_return; - } - - num_dims = a_num_dims + b_num_dims - 2; - if (num_dims > SLARRAY_MAX_DIMS) - { - SLang_verror (SL_NOT_IMPLEMENTED, - "Inner-product result exceed max allowed dimensions"); - goto free_and_return; - } - - if (num_dims) - { - j = 0; - for (i = 0; i < (int)a_num_dims; i++) - if (i != ai) dims [j++] = a->dims[i]; - for (i = 0; i < (int)b_num_dims; i++) - if (i != bi) dims [j++] = b->dims[i]; - } - else - { - /* a scalar */ - num_dims = 1; - dims[0] = 1; - } - - c_type = 0; fun = NULL; - switch (a->data_type) - { - case SLANG_FLOAT_TYPE: - switch (b->data_type) - { - case SLANG_FLOAT_TYPE: - c_type = SLANG_FLOAT_TYPE; - fun = innerprod_float_float; - break; - case SLANG_DOUBLE_TYPE: - c_type = SLANG_DOUBLE_TYPE; - fun = innerprod_float_double; - break; -#if SLANG_HAS_COMPLEX - case SLANG_COMPLEX_TYPE: - c_type = SLANG_COMPLEX_TYPE; - fun = innerprod_float_complex; - break; -#endif - } - break; - case SLANG_DOUBLE_TYPE: - switch (b->data_type) - { - case SLANG_FLOAT_TYPE: - c_type = SLANG_DOUBLE_TYPE; - fun = innerprod_double_float; - break; - case SLANG_DOUBLE_TYPE: - c_type = SLANG_DOUBLE_TYPE; - fun = innerprod_double_double; - break; -#if SLANG_HAS_COMPLEX - case SLANG_COMPLEX_TYPE: - c_type = SLANG_COMPLEX_TYPE; - fun = innerprod_double_complex; - break; -#endif - } - break; -#if SLANG_HAS_COMPLEX - case SLANG_COMPLEX_TYPE: - c_type = SLANG_COMPLEX_TYPE; - switch (b->data_type) - { - case SLANG_FLOAT_TYPE: - fun = innerprod_complex_float; - break; - case SLANG_DOUBLE_TYPE: - fun = innerprod_complex_double; - break; - case SLANG_COMPLEX_TYPE: - fun = innerprod_complex_complex; - break; - } - break; -#endif - default: - break; - } - - if (NULL == (c = SLang_create_array (c_type, 0, NULL, dims, num_dims))) - goto free_and_return; - - (*fun)(a, b, c, a_loops, a_stride, b_loops, b_inc, ai_dims); - - (void) SLang_push_array (c, 1); - /* drop */ - - free_and_return: - SLang_free_array (a); - SLang_free_array (b); -} - - - -static SLang_Intrin_Fun_Type Array_Fun_Table [] = -{ - MAKE_INTRINSIC_1("transpose", array_transpose, SLANG_VOID_TYPE, SLANG_ARRAY_TYPE), - SLANG_END_INTRIN_FUN_TABLE -}; - -int SLang_init_array (void) -{ - if (-1 == SLadd_intrin_fun_table (Array_Fun_Table, "__SLARRAY__")) - return -1; -#if SLANG_HAS_FLOAT - _SLang_Matrix_Multiply = do_inner_product; -#endif - return 0; -} - diff --git a/mdk-stage1/slang/slarrfun.inc b/mdk-stage1/slang/slarrfun.inc deleted file mode 100644 index 348473a6f..000000000 --- a/mdk-stage1/slang/slarrfun.inc +++ /dev/null @@ -1,257 +0,0 @@ -/* -*- mode: C -*- */ - -/* Some "inline" functions for generic scalar types */ - -#ifdef TRANSPOSE_2D_ARRAY -static SLang_Array_Type *TRANSPOSE_2D_ARRAY (SLang_Array_Type *at, SLang_Array_Type *bt) -{ - GENERIC_TYPE *a_data, *b_data; - int nr, nc, i; - - nr = at->dims[0]; - nc = at->dims[1]; - - a_data = (GENERIC_TYPE *) at->data; - b_data = (GENERIC_TYPE *) bt->data; - - for (i = 0; i < nr; i++) - { - GENERIC_TYPE *offset = b_data + i; - int j; - for (j = 0; j < nc; j++) - { - *offset = *a_data++; - offset += nr; - } - } - return bt; -} -#undef TRANSPOSE_2D_ARRAY -#endif - - -#ifdef INNERPROD_FUNCTION - -static void INNERPROD_FUNCTION - (SLang_Array_Type *at, SLang_Array_Type *bt, SLang_Array_Type *ct, - unsigned int a_loops, unsigned int a_stride, - unsigned int b_loops, unsigned int b_inc, - unsigned int inner_loops) -{ - GENERIC_TYPE_A *a; - GENERIC_TYPE_B *b; - GENERIC_TYPE_C *c; - - c = (GENERIC_TYPE_C *) ct->data; - b = (GENERIC_TYPE_B *) bt->data; - a = (GENERIC_TYPE_A *) at->data; - - while (a_loops--) - { - GENERIC_TYPE_B *bb; - unsigned int j; - - bb = b; - - for (j = 0; j < inner_loops; j++) - { - double x = (double) a[j]; - - if (x != 0.0) - { - unsigned int k; - - for (k = 0; k < b_loops; k++) - c[k] += x * bb[k]; - } - bb += b_inc; - } - c += b_loops; - a += a_stride; - } -} -#undef INNERPROD_FUNCTION - -#undef GENERIC_TYPE_A -#undef GENERIC_TYPE_B -#undef GENERIC_TYPE_C -#endif - -#ifdef INNERPROD_COMPLEX_A -static void INNERPROD_COMPLEX_A - (SLang_Array_Type *at, SLang_Array_Type *bt, SLang_Array_Type *ct, - unsigned int a_loops, unsigned int a_stride, - unsigned int b_loops, unsigned int b_inc, - unsigned int inner_loops) -{ - double *a; - GENERIC_TYPE *b; - double *c; - - c = (double *) ct->data; - b = (GENERIC_TYPE *) bt->data; - a = (double *) at->data; - - a_stride *= 2; - - while (a_loops--) - { - GENERIC_TYPE *bb; - unsigned int bb_loops; - - bb = b; - bb_loops = b_loops; - - while (bb_loops--) - { - double real_sum; - double imag_sum; - unsigned int iloops; - double *aa; - GENERIC_TYPE *bbb; - - aa = a; - bbb = bb; - iloops = inner_loops; - - real_sum = 0.0; - imag_sum = 0.0; - while (iloops--) - { - real_sum += aa[0] * (double)bbb[0]; - imag_sum += aa[1] * (double)bbb[0]; - aa += 2; - bbb += b_inc; - } - - *c++ = real_sum; - *c++ = imag_sum; - bb++; - } - - a += a_stride; - } -} - -static void INNERPROD_A_COMPLEX - (SLang_Array_Type *at, SLang_Array_Type *bt, SLang_Array_Type *ct, - unsigned int a_loops, unsigned int a_stride, - unsigned int b_loops, unsigned int b_inc, - unsigned int inner_loops) -{ - GENERIC_TYPE *a; - double *b; - double *c; - - c = (double *) ct->data; - b = (double *) bt->data; - a = (GENERIC_TYPE *) at->data; - - b_inc *= 2; - - while (a_loops--) - { - double *bb; - unsigned int bb_loops; - - bb = b; - bb_loops = b_loops; - - while (bb_loops--) - { - double real_sum; - double imag_sum; - unsigned int iloops; - GENERIC_TYPE *aa; - double *bbb; - - aa = a; - bbb = bb; - iloops = inner_loops; - - real_sum = 0.0; - imag_sum = 0.0; - while (iloops--) - { - real_sum += (double)aa[0] * bbb[0]; - imag_sum += (double)aa[0] * bbb[1]; - aa += 1; - bbb += b_inc; - } - - *c++ = real_sum; - *c++ = imag_sum; - bb += 2; - } - - a += a_stride; - } -} - -#undef INNERPROD_A_COMPLEX -#undef INNERPROD_COMPLEX_A -#endif /* INNERPROD_COMPLEX_A */ - - -#ifdef INNERPROD_COMPLEX_COMPLEX -static void INNERPROD_COMPLEX_COMPLEX - (SLang_Array_Type *at, SLang_Array_Type *bt, SLang_Array_Type *ct, - unsigned int a_loops, unsigned int a_stride, - unsigned int b_loops, unsigned int b_inc, - unsigned int inner_loops) -{ - double *a; - double *b; - double *c; - - c = (double *) ct->data; - b = (double *) bt->data; - a = (double *) at->data; - - a_stride *= 2; - b_inc *= 2; - - while (a_loops--) - { - double *bb; - unsigned int bb_loops; - - bb = b; - bb_loops = b_loops; - - while (bb_loops--) - { - double real_sum; - double imag_sum; - unsigned int iloops; - double *aa; - double *bbb; - - aa = a; - bbb = bb; - iloops = inner_loops; - - real_sum = 0.0; - imag_sum = 0.0; - while (iloops--) - { - real_sum += aa[0]*bbb[0] - aa[1]*bbb[1]; - imag_sum += aa[0]*bbb[1] + aa[1]*bbb[0]; - aa += 2; - bbb += b_inc; - } - - *c++ = real_sum; - *c++ = imag_sum; - bb += 2; - } - - a += a_stride; - } -} -#undef INNERPROD_COMPLEX_COMPLEX -#endif - -#ifdef GENERIC_TYPE -# undef GENERIC_TYPE -#endif diff --git a/mdk-stage1/slang/slarrmis.c b/mdk-stage1/slang/slarrmis.c deleted file mode 100644 index 330dcb53f..000000000 --- a/mdk-stage1/slang/slarrmis.c +++ /dev/null @@ -1,38 +0,0 @@ -/* Misc Array Functions */ -/* Copyright (c) 1997, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -int SLang_get_array_element (SLang_Array_Type *at, int *indices, VOID_STAR data) -{ - int is_ptr; - - if ((at == NULL) - || (indices == NULL) - || (data == NULL)) - return -1; - - is_ptr = (at->flags & SLARR_DATA_VALUE_IS_POINTER); - if (is_ptr) *(VOID_STAR *) data = NULL; - return _SLarray_aget_transfer_elem (at, indices, data, at->sizeof_type, is_ptr); -} - -int SLang_set_array_element (SLang_Array_Type *at, int *indices, VOID_STAR data) -{ - if ((at == NULL) - || (indices == NULL) - || (data == NULL)) - return -1; - - return _SLarray_aput_transfer_elem (at, indices, data, at->sizeof_type, - at->flags & SLARR_DATA_VALUE_IS_POINTER); -} - diff --git a/mdk-stage1/slang/slassoc.c b/mdk-stage1/slang/slassoc.c deleted file mode 100644 index 5997458d2..000000000 --- a/mdk-stage1/slang/slassoc.c +++ /dev/null @@ -1,713 +0,0 @@ -/* Copyright (c) 1998, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ -#include "slinclud.h" - -#define SL_APP_WANTS_FOREACH -#include "slang.h" -#include "_slang.h" - -#define USE_NEW_ANYTYPE_CODE 1 - -typedef struct _SLAssoc_Array_Element_Type -{ - char *key; /* slstring */ - struct _SLAssoc_Array_Element_Type *next; - SLang_Object_Type value; -} -_SLAssoc_Array_Element_Type; - -typedef struct -{ - _SLAssoc_Array_Element_Type *elements[SLASSOC_HASH_TABLE_SIZE]; - SLang_Object_Type default_value; - unsigned int num_elements; -#define HAS_DEFAULT_VALUE 1 - unsigned int flags; - unsigned char type; -} -SLang_Assoc_Array_Type; - -#define USE_CACHED_STRING 1 - -#if USE_CACHED_STRING -static char *Cached_String; -static SLang_Object_Type *Cached_Obj; -static SLang_Assoc_Array_Type *Cached_Array; -#endif - -static SLang_Assoc_Array_Type *alloc_assoc_array (unsigned char type, int has_default_value) -{ - SLang_Assoc_Array_Type *a; - - a = (SLang_Assoc_Array_Type *)SLmalloc (sizeof (SLang_Assoc_Array_Type)); - if (a == NULL) - { - if (has_default_value) - SLdo_pop_n (1); - return NULL; - } - - memset ((char *) a, 0, sizeof (SLang_Assoc_Array_Type)); - a->type = type; - - if (has_default_value) - { - if ( -#if USE_NEW_ANYTYPE_CODE - ((type != SLANG_ANY_TYPE) && (-1 == SLclass_typecast (type, 1, 1))) -#else - (-1 == SLclass_typecast (type, 1, 1)) -#endif - || (-1 == SLang_pop (&a->default_value))) - { - SLfree ((char *) a); - return NULL; - } - - a->flags |= HAS_DEFAULT_VALUE; - } - return a; -} - -static void free_element (_SLAssoc_Array_Element_Type *e) -{ - if (e == NULL) - return; - - SLang_free_object (&e->value); - SLang_free_slstring (e->key); -#if USE_CACHED_STRING - if (e->key == Cached_String) - Cached_String = NULL; -#endif - SLfree ((char *)e); -} - -static void delete_assoc_array (SLang_Assoc_Array_Type *a) -{ - unsigned int i; - - if (a == NULL) return; - - for (i = 0; i < SLASSOC_HASH_TABLE_SIZE; i++) - { - _SLAssoc_Array_Element_Type *e; - - e = a->elements[i]; - while (e != NULL) - { - _SLAssoc_Array_Element_Type *next_e; - - next_e = e->next; - free_element (e); - e = next_e; - } - } - if (a->flags & HAS_DEFAULT_VALUE) - SLang_free_object (&a->default_value); - - SLfree ((char *) a); -} - -_INLINE_ -static SLang_Object_Type * -find_element (SLang_Assoc_Array_Type *a, char *str, unsigned long hash) -{ - unsigned int h; - _SLAssoc_Array_Element_Type *e; - - h = (unsigned int) (hash % SLASSOC_HASH_TABLE_SIZE); - e = a->elements[h]; - - while (e != NULL) - { - if (str == e->key) /* slstrings can be compared this way */ - { -#if USE_CACHED_STRING - Cached_String = str; - Cached_Obj = &e->value; - Cached_Array = a; -#endif - return &e->value; - } - - e = e->next; - } - - return NULL; -} - -static _SLAssoc_Array_Element_Type * -create_element (SLang_Assoc_Array_Type *a, char *str, unsigned long hash) -{ - unsigned int h; - _SLAssoc_Array_Element_Type *e; - - e = (_SLAssoc_Array_Element_Type *) SLmalloc (sizeof (_SLAssoc_Array_Element_Type)); - if (e == NULL) - return NULL; - - memset ((char *) e, 0, sizeof (_SLAssoc_Array_Element_Type)); - h = (unsigned int) (hash % SLASSOC_HASH_TABLE_SIZE); - - if (NULL == (str = _SLstring_dup_hashed_string (str, hash))) - { - SLfree ((char *) e); - return NULL; - } - - e->key = str; - e->next = a->elements[h]; - a->elements[h] = e; - - a->num_elements += 1; -#if USE_CACHED_STRING - Cached_String = str; - Cached_Obj = &e->value; - Cached_Array = a; -#endif - return e; -} - -static int store_object (SLang_Assoc_Array_Type *a, char *s, SLang_Object_Type *obj) -{ - unsigned long hash; - SLang_Object_Type *v; - -#if USE_CACHED_STRING - if ((s == Cached_String) && (a == Cached_Array)) - { - v = Cached_Obj; - SLang_free_object (v); - } - else - { -#endif - hash = _SLcompute_string_hash (s); - if (NULL != (v = find_element (a, s, hash))) - SLang_free_object (v); - else - { - _SLAssoc_Array_Element_Type *e; - - e = create_element (a, s, hash); - if (e == NULL) - return -1; - - v = &e->value; - } -#if USE_CACHED_STRING - } -#endif - - *v = *obj; - - return 0; -} - -static void assoc_destroy (unsigned char type, VOID_STAR ptr) -{ - (void) type; - delete_assoc_array ((SLang_Assoc_Array_Type *) ptr); -} - -static int pop_index (unsigned int num_indices, - SLang_MMT_Type **mmt, - SLang_Assoc_Array_Type **a, - char **str) -{ - if (NULL == (*mmt = SLang_pop_mmt (SLANG_ASSOC_TYPE))) - { - *a = NULL; - *str = NULL; - return -1; - } - - if ((num_indices != 1) - || (-1 == SLang_pop_slstring (str))) - { - SLang_verror (SL_NOT_IMPLEMENTED, - "Assoc_Type arrays require a single string index"); - SLang_free_mmt (*mmt); - *mmt = NULL; - *a = NULL; - *str = NULL; - return -1; - } - - *a = (SLang_Assoc_Array_Type *) SLang_object_from_mmt (*mmt); - return 0; -} - -static int assoc_aget (unsigned char type, unsigned int num_indices) -{ - SLang_MMT_Type *mmt; - char *str; - SLang_Assoc_Array_Type *a; - SLang_Object_Type *obj; - int ret; - - (void) type; - - if (-1 == pop_index (num_indices, &mmt, &a, &str)) - return -1; - -#if USE_CACHED_STRING - if ((str == Cached_String) && (a == Cached_Array)) - obj = Cached_Obj; - else -#endif - obj = find_element (a, str, _SLcompute_string_hash (str)); - - if ((obj == NULL) - && (a->flags & HAS_DEFAULT_VALUE)) - obj = &a->default_value; - - if (obj == NULL) - { - SLang_verror (SL_INTRINSIC_ERROR, - "No such element in Assoc Array: %s", str); - ret = -1; - } - else - { -#if _SLANG_OPTIMIZE_FOR_SPEED - if (SLANG_CLASS_TYPE_SCALAR == _SLclass_Class_Type[obj->data_type]) - ret = SLang_push (obj); -#endif - else - ret = _SLpush_slang_obj (obj); - } - - SLang_free_slstring (str); - SLang_free_mmt (mmt); - return ret; -} - -static int assoc_aput (unsigned char type, unsigned int num_indices) -{ - SLang_MMT_Type *mmt; - char *str; - SLang_Assoc_Array_Type *a; - SLang_Object_Type obj; - int ret; - - (void) type; - - if (-1 == pop_index (num_indices, &mmt, &a, &str)) - return -1; - - ret = -1; - - if (0 == SLang_pop (&obj)) - { - if ((obj.data_type != a->type) -#if USE_NEW_ANYTYPE_CODE - && (a->type != SLANG_ANY_TYPE) -#endif - ) - { - (void) SLang_push (&obj); - if ((-1 == SLclass_typecast (a->type, 1, 1)) - || (-1 == SLang_pop (&obj))) - goto the_return; - } - - if (-1 == store_object (a, str, &obj)) - SLang_free_object (&obj); - else - ret = 0; - } - - the_return: - SLang_free_slstring (str); - SLang_free_mmt (mmt); - return ret; -} - -static int assoc_anew (unsigned char type, unsigned int num_dims) -{ - SLang_MMT_Type *mmt; - SLang_Assoc_Array_Type *a; - int has_default_value; - - has_default_value = 0; - switch (num_dims) - { - case 0: - type = SLANG_ANY_TYPE; - break; - case 2: - (void) SLreverse_stack (2); - has_default_value = 1; - /* drop */ - case 1: - if (0 == _SLang_pop_datatype (&type)) - break; - num_dims--; - /* drop */ - default: - SLdo_pop_n (num_dims); - SLang_verror (SL_SYNTAX_ERROR, "Usage: Assoc_Type [DataType_Type]"); - return -1; - } - - a = alloc_assoc_array (type, has_default_value); - if (a == NULL) - return -1; - - if (NULL == (mmt = SLang_create_mmt (SLANG_ASSOC_TYPE, (VOID_STAR) a))) - { - delete_assoc_array (a); - return -1; - } - - if (-1 == SLang_push_mmt (mmt)) - { - SLang_free_mmt (mmt); - return -1; - } - - return 0; -} - -static void assoc_get_keys (SLang_Assoc_Array_Type *a) -{ - SLang_Array_Type *at; - int num; - unsigned int i, j; - char **data; - - /* Note: If support for threads is added, then we need to modify this - * algorithm to prevent another thread from modifying the array. - * However, that should be handled in inner_interp. - */ - num = a->num_elements; - - if (NULL == (at = SLang_create_array (SLANG_STRING_TYPE, 0, NULL, &num, 1))) - return; - - data = (char **)at->data; - - i = 0; - for (j = 0; j < SLASSOC_HASH_TABLE_SIZE; j++) - { - _SLAssoc_Array_Element_Type *e; - - e = a->elements[j]; - while (e != NULL) - { - /* Next cannot fail because it is an slstring */ - data [i] = SLang_create_slstring (e->key); - e = e->next; - i++; - } - } - (void) SLang_push_array (at, 1); -} - -static int -transfer_element (SLang_Class_Type *cl, VOID_STAR dest_data, - SLang_Object_Type *obj) -{ - unsigned int sizeof_type; - VOID_STAR src_data; - -#if USE_NEW_ANYTYPE_CODE - if (cl->cl_data_type == SLANG_ANY_TYPE) - { - SLang_Any_Type *any; - - if ((-1 == _SLpush_slang_obj (obj)) - || (-1 == SLang_pop_anytype (&any))) - return -1; - - *(SLang_Any_Type **)dest_data = any; - return 0; - } -#endif - /* Optimize for scalar */ - if (cl->cl_class_type == SLANG_CLASS_TYPE_SCALAR) - { - sizeof_type = cl->cl_sizeof_type; - memcpy ((char *) dest_data, (char *)&obj->v, sizeof_type); - return 0; - } - - src_data = _SLclass_get_ptr_to_value (cl, obj); - - if (-1 == (*cl->cl_acopy) (cl->cl_data_type, src_data, dest_data)) - return -1; - - return 0; -} - -static void assoc_get_values (SLang_Assoc_Array_Type *a) -{ - SLang_Array_Type *at; - int num; - unsigned int i, j; - char *dest_data; - unsigned char type; - SLang_Class_Type *cl; - unsigned int sizeof_type; - - /* Note: If support for threads is added, then we need to modify this - * algorithm to prevent another thread from modifying the array. - * However, that should be handled in inner_interp. - */ - num = a->num_elements; - type = a->type; - - cl = _SLclass_get_class (type); - sizeof_type = cl->cl_sizeof_type; - - if (NULL == (at = SLang_create_array (type, 0, NULL, &num, 1))) - return; - - dest_data = (char *)at->data; - - i = 0; - for (j = 0; j < SLASSOC_HASH_TABLE_SIZE; j++) - { - _SLAssoc_Array_Element_Type *e; - - e = a->elements[j]; - while (e != NULL) - { - if (-1 == transfer_element (cl, (VOID_STAR) dest_data, &e->value)) - { - SLang_free_array (at); - return; - } - - dest_data += sizeof_type; - e = e->next; - i++; - } - } - (void) SLang_push_array (at, 1); -} - -static int assoc_key_exists (SLang_Assoc_Array_Type *a, char *key) -{ - return (NULL != find_element (a, key, _SLcompute_string_hash (key))); -} - -static void assoc_delete_key (SLang_Assoc_Array_Type *a, char *key) -{ - unsigned int h; - _SLAssoc_Array_Element_Type *v, *v0; - - h = (unsigned int) (_SLcompute_string_hash (key) % SLASSOC_HASH_TABLE_SIZE); - - v0 = NULL; - v = a->elements[h]; - while (v != NULL) - { - if (v->key == key) - { - if (v0 != NULL) - v0->next = v->next; - else - a->elements[h] = v->next; - - free_element (v); - a->num_elements -= 1; - return; - } - v0 = v; - v = v->next; - } - - /* No such element. Let it pass with no error. */ -} - -#define A SLANG_ASSOC_TYPE -#define S SLANG_STRING_TYPE -static SLang_Intrin_Fun_Type Assoc_Table [] = -{ - MAKE_INTRINSIC_1("assoc_get_keys", assoc_get_keys, SLANG_VOID_TYPE, A), - MAKE_INTRINSIC_1("assoc_get_values", assoc_get_values, SLANG_VOID_TYPE, A), - MAKE_INTRINSIC_2("assoc_key_exists", assoc_key_exists, SLANG_INT_TYPE, A, S), - MAKE_INTRINSIC_2("assoc_delete_key", assoc_delete_key, SLANG_VOID_TYPE, A, S), - - SLANG_END_INTRIN_FUN_TABLE -}; -#undef A -#undef S - -static int assoc_length (unsigned char type, VOID_STAR v, unsigned int *len) -{ - SLang_Assoc_Array_Type *a; - - (void) type; - a = (SLang_Assoc_Array_Type *) SLang_object_from_mmt (*(SLang_MMT_Type **)v); - *len = a->num_elements; - return 0; -} - -struct _SLang_Foreach_Context_Type -{ - SLang_MMT_Type *mmt; - SLang_Assoc_Array_Type *a; - unsigned int this_hash_index; - unsigned int next_same_hash_index; -#define CTX_WRITE_KEYS 1 -#define CTX_WRITE_VALUES 2 - unsigned char flags; -}; - -static SLang_Foreach_Context_Type * -cl_foreach_open (unsigned char type, unsigned int num) -{ - SLang_Foreach_Context_Type *c; - unsigned char flags; - SLang_MMT_Type *mmt; - - (void) type; - - if (NULL == (mmt = SLang_pop_mmt (SLANG_ASSOC_TYPE))) - return NULL; - - flags = 0; - - while (num--) - { - char *s; - - if (-1 == SLang_pop_slstring (&s)) - { - SLang_free_mmt (mmt); - return NULL; - } - - if (0 == strcmp (s, "keys")) - flags |= CTX_WRITE_KEYS; - else if (0 == strcmp (s, "values")) - flags |= CTX_WRITE_VALUES; - else - { - SLang_verror (SL_NOT_IMPLEMENTED, - "using '%s' not supported by SLassoc_Type", - s); - SLang_free_slstring (s); - SLang_free_mmt (mmt); - return NULL; - } - - SLang_free_slstring (s); - } - - if (NULL == (c = (SLang_Foreach_Context_Type *) SLmalloc (sizeof (SLang_Foreach_Context_Type)))) - { - SLang_free_mmt (mmt); - return NULL; - } - - memset ((char *) c, 0, sizeof (SLang_Foreach_Context_Type)); - - if (flags == 0) flags = CTX_WRITE_VALUES|CTX_WRITE_KEYS; - - c->flags = flags; - c->mmt = mmt; - c->a = (SLang_Assoc_Array_Type *) SLang_object_from_mmt (mmt); - - return c; -} - -static void cl_foreach_close (unsigned char type, SLang_Foreach_Context_Type *c) -{ - (void) type; - if (c == NULL) return; - SLang_free_mmt (c->mmt); - SLfree ((char *) c); -} - -static int cl_foreach (unsigned char type, SLang_Foreach_Context_Type *c) -{ - SLang_Assoc_Array_Type *a; - _SLAssoc_Array_Element_Type *e; - unsigned int i, j; - - (void) type; - - if (c == NULL) - return -1; - - a = c->a; - - i = c->this_hash_index; - if (i >= SLASSOC_HASH_TABLE_SIZE) - return 0; - - e = a->elements[i]; - - j = c->next_same_hash_index; - c->next_same_hash_index = j + 1; - - while ((j > 0) && (e != NULL)) - { - j--; - e = e->next; - } - - if (e == NULL) - { - do - { - i++; - if (i >= SLASSOC_HASH_TABLE_SIZE) - return 0; /* no more */ - } - while (a->elements [i] == NULL); - - e = a->elements[i]; - c->this_hash_index = i; - c->next_same_hash_index = 1; - } - - if ((c->flags & CTX_WRITE_KEYS) - && (-1 == SLang_push_string (e->key))) - return -1; - - if ((c->flags & CTX_WRITE_VALUES) - && (-1 == _SLpush_slang_obj (&e->value))) - return -1; - - /* keep going */ - return 1; -} - -int SLang_init_slassoc (void) -{ - SLang_Class_Type *cl; - - if (SLclass_is_class_defined (SLANG_ASSOC_TYPE)) - return 0; - - if (NULL == (cl = SLclass_allocate_class ("Assoc_Type"))) - return -1; - - (void) SLclass_set_destroy_function (cl, assoc_destroy); - (void) SLclass_set_aput_function (cl, assoc_aput); - (void) SLclass_set_aget_function (cl, assoc_aget); - (void) SLclass_set_anew_function (cl, assoc_anew); - cl->cl_length = assoc_length; - cl->cl_foreach_open = cl_foreach_open; - cl->cl_foreach_close = cl_foreach_close; - cl->cl_foreach = cl_foreach; - - if (-1 == SLclass_register_class (cl, SLANG_ASSOC_TYPE, sizeof (SLang_Assoc_Array_Type), SLANG_CLASS_TYPE_MMT)) - return -1; - - if (-1 == SLadd_intrin_fun_table (Assoc_Table, "__SLASSOC__")) - return -1; - - return 0; -} - diff --git a/mdk-stage1/slang/slbstr.c b/mdk-stage1/slang/slbstr.c deleted file mode 100644 index b4b8c4c51..000000000 --- a/mdk-stage1/slang/slbstr.c +++ /dev/null @@ -1,615 +0,0 @@ -/* Copyright (c) 1998, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -struct _SLang_BString_Type -{ - unsigned int num_refs; - unsigned int len; - int ptr_type; -#define IS_SLSTRING 1 -#define IS_MALLOCED 2 -#define IS_NOT_TO_BE_FREED 3 - union - { - unsigned char bytes[1]; - unsigned char *ptr; - } - v; -}; - -#define BS_GET_POINTER(b) ((b)->ptr_type ? (b)->v.ptr : (b)->v.bytes) - -static SLang_BString_Type *create_bstring_of_type (char *bytes, unsigned int len, int type) -{ - SLang_BString_Type *b; - unsigned int size; - - size = sizeof(SLang_BString_Type); - if (type == 0) - size += len; - - if (NULL == (b = (SLang_BString_Type *)SLmalloc (size))) - return NULL; - - b->len = len; - b->num_refs = 1; - b->ptr_type = type; - - switch (type) - { - case 0: - if (bytes != NULL) memcpy ((char *) b->v.bytes, bytes, len); - /* Now \0 terminate it because we want to also use it as a C string - * whenever possible. Note that sizeof(SLang_BString_Type) includes - * space for 1 character and we allocated len extra bytes. Thus, it is - * ok to add a \0 to the end. - */ - b->v.bytes[len] = 0; - break; - - case IS_SLSTRING: - if (NULL == (b->v.ptr = (unsigned char *)SLang_create_nslstring (bytes, len))) - { - SLfree ((char *) b); - return NULL; - } - break; - - case IS_MALLOCED: - case IS_NOT_TO_BE_FREED: - b->v.ptr = (unsigned char *)bytes; - bytes [len] = 0; /* NULL terminate */ - break; - } - - return b; -} - -SLang_BString_Type * -SLbstring_create (unsigned char *bytes, unsigned int len) -{ - return create_bstring_of_type ((char *)bytes, len, 0); -} - -/* Note that ptr must be len + 1 bytes long for \0 termination */ -SLang_BString_Type * -SLbstring_create_malloced (unsigned char *ptr, unsigned int len, int free_on_error) -{ - SLang_BString_Type *b; - - if (ptr == NULL) - return NULL; - - if (NULL == (b = create_bstring_of_type ((char *)ptr, len, IS_MALLOCED))) - { - if (free_on_error) - SLfree ((char *) ptr); - } - return b; -} - -SLang_BString_Type *SLbstring_create_slstring (char *s) -{ - if (s == NULL) - return NULL; - - return create_bstring_of_type (s, strlen (s), IS_SLSTRING); -} - -SLang_BString_Type *SLbstring_dup (SLang_BString_Type *b) -{ - if (b != NULL) - b->num_refs += 1; - - return b; -} - -unsigned char *SLbstring_get_pointer (SLang_BString_Type *b, unsigned int *len) -{ - if (b == NULL) - { - *len = 0; - return NULL; - } - *len = b->len; - return BS_GET_POINTER(b); -} - -void SLbstring_free (SLang_BString_Type *b) -{ - if (b == NULL) - return; - - if (b->num_refs > 1) - { - b->num_refs -= 1; - return; - } - - switch (b->ptr_type) - { - case 0: - case IS_NOT_TO_BE_FREED: - default: - break; - - case IS_SLSTRING: - SLang_free_slstring ((char *)b->v.ptr); - break; - - case IS_MALLOCED: - SLfree ((char *)b->v.ptr); - break; - } - - SLfree ((char *) b); -} - -int SLang_pop_bstring (SLang_BString_Type **b) -{ - return SLclass_pop_ptr_obj (SLANG_BSTRING_TYPE, (VOID_STAR *)b); -} - -int SLang_push_bstring (SLang_BString_Type *b) -{ - if (b == NULL) - return SLang_push_null (); - - b->num_refs += 1; - - if (0 == SLclass_push_ptr_obj (SLANG_BSTRING_TYPE, (VOID_STAR)b)) - return 0; - - b->num_refs -= 1; - return -1; -} - -static int -bstring_bstring_bin_op_result (int op, unsigned char a, unsigned char b, - unsigned char *c) -{ - (void) a; - (void) b; - switch (op) - { - default: - return 0; - - case SLANG_PLUS: - *c = SLANG_BSTRING_TYPE; - break; - - case SLANG_GT: - case SLANG_GE: - case SLANG_LT: - case SLANG_LE: - case SLANG_EQ: - case SLANG_NE: - *c = SLANG_CHAR_TYPE; - break; - } - return 1; -} - -static int compare_bstrings (SLang_BString_Type *a, SLang_BString_Type *b) -{ - unsigned int len; - int ret; - - len = a->len; - if (b->len < len) len = b->len; - - ret = memcmp ((char *)BS_GET_POINTER(b), (char *)BS_GET_POINTER(a), len); - if (ret != 0) - return ret; - - if (a->len > b->len) - return 1; - if (a->len == b->len) - return 0; - - return -1; -} - -static SLang_BString_Type * -concat_bstrings (SLang_BString_Type *a, SLang_BString_Type *b) -{ - unsigned int len; - SLang_BString_Type *c; - char *bytes; - - len = a->len + b->len; - - if (NULL == (c = SLbstring_create (NULL, len))) - return NULL; - - bytes = (char *)BS_GET_POINTER(c); - - memcpy (bytes, (char *)BS_GET_POINTER(a), a->len); - memcpy (bytes + a->len, (char *)BS_GET_POINTER(b), b->len); - - return c; -} - -static void free_n_bstrings (SLang_BString_Type **a, unsigned int n) -{ - unsigned int i; - - if (a == NULL) return; - - for (i = 0; i < n; i++) - { - SLbstring_free (a[i]); - a[i] = NULL; - } -} - -static int -bstring_bstring_bin_op (int op, - unsigned char a_type, VOID_STAR ap, unsigned int na, - unsigned char b_type, VOID_STAR bp, unsigned int nb, - VOID_STAR cp) -{ - char *ic; - SLang_BString_Type **a, **b, **c; - unsigned int n, n_max; - unsigned int da, db; - - (void) a_type; - (void) b_type; - - if (na == 1) da = 0; else da = 1; - if (nb == 1) db = 0; else db = 1; - - if (na > nb) n_max = na; else n_max = nb; - - a = (SLang_BString_Type **) ap; - b = (SLang_BString_Type **) bp; - for (n = 0; n < n_max; n++) - { - if ((*a == NULL) || (*b == NULL)) - { - SLang_verror (SL_VARIABLE_UNINITIALIZED, - "Binary string element[%u] not initialized for binary operation", n); - return -1; - } - a += da; b += db; - } - - a = (SLang_BString_Type **) ap; - b = (SLang_BString_Type **) bp; - ic = (char *) cp; - c = NULL; - - switch (op) - { - case SLANG_PLUS: - /* Concat */ - c = (SLang_BString_Type **) cp; - for (n = 0; n < n_max; n++) - { - if (NULL == (c[n] = concat_bstrings (*a, *b))) - goto return_error; - - a += da; b += db; - } - break; - - case SLANG_NE: - for (n = 0; n < n_max; n++) - { - ic [n] = (0 != compare_bstrings (*a, *b)); - a += da; - b += db; - } - break; - case SLANG_GT: - for (n = 0; n < n_max; n++) - { - ic [n] = (compare_bstrings (*a, *b) > 0); - a += da; - b += db; - } - break; - case SLANG_GE: - for (n = 0; n < n_max; n++) - { - ic [n] = (compare_bstrings (*a, *b) >= 0); - a += da; - b += db; - } - break; - case SLANG_LT: - for (n = 0; n < n_max; n++) - { - ic [n] = (compare_bstrings (*a, *b) < 0); - a += da; - b += db; - } - break; - case SLANG_LE: - for (n = 0; n < n_max; n++) - { - ic [n] = (compare_bstrings (*a, *b) <= 0); - a += da; - b += db; - } - break; - case SLANG_EQ: - for (n = 0; n < n_max; n++) - { - ic [n] = (compare_bstrings (*a, *b) == 0); - a += da; - b += db; - } - break; - } - return 1; - - return_error: - if (c != NULL) - { - free_n_bstrings (c, n); - while (n < n_max) - { - c[n] = NULL; - n++; - } - } - return -1; -} - -/* If preserve_ptr, then use a[i] as the bstring data. See how this function - * is called by the binary op routines for why. - */ -static SLang_BString_Type ** -make_n_bstrings (SLang_BString_Type **b, char **a, unsigned int n, int ptr_type) -{ - unsigned int i; - int malloc_flag; - - malloc_flag = 0; - if (b == NULL) - { - b = (SLang_BString_Type **) SLmalloc ((n + 1) * sizeof (SLang_BString_Type *)); - if (b == NULL) - return NULL; - malloc_flag = 1; - } - - for (i = 0; i < n; i++) - { - char *s = a[i]; - - if (s == NULL) - { - b[i] = NULL; - continue; - } - - if (NULL == (b[i] = create_bstring_of_type (s, strlen(s), ptr_type))) - { - free_n_bstrings (b, i); - if (malloc_flag) SLfree ((char *) b); - return NULL; - } - } - - return b; -} - -static int -bstring_string_bin_op (int op, - unsigned char a_type, VOID_STAR ap, unsigned int na, - unsigned char b_type, VOID_STAR bp, unsigned int nb, - VOID_STAR cp) -{ - SLang_BString_Type **b; - int ret; - - if (NULL == (b = make_n_bstrings (NULL, (char **)bp, nb, IS_NOT_TO_BE_FREED))) - return -1; - - b_type = SLANG_BSTRING_TYPE; - ret = bstring_bstring_bin_op (op, - a_type, ap, na, - b_type, (VOID_STAR) b, nb, - cp); - free_n_bstrings (b, nb); - SLfree ((char *) b); - return ret; -} - -static int -string_bstring_bin_op (int op, - unsigned char a_type, VOID_STAR ap, unsigned int na, - unsigned char b_type, VOID_STAR bp, unsigned int nb, - VOID_STAR cp) -{ - SLang_BString_Type **a; - int ret; - - if (NULL == (a = make_n_bstrings (NULL, (char **)ap, na, IS_NOT_TO_BE_FREED))) - return -1; - - a_type = SLANG_BSTRING_TYPE; - ret = bstring_bstring_bin_op (op, - a_type, (VOID_STAR) a, na, - b_type, bp, nb, - cp); - free_n_bstrings (a, na); - SLfree ((char *) a); - - return ret; -} - -static void bstring_destroy (unsigned char unused, VOID_STAR s) -{ - (void) unused; - SLbstring_free (*(SLang_BString_Type **) s); -} - -static int bstring_push (unsigned char unused, VOID_STAR sptr) -{ - (void) unused; - - return SLang_push_bstring (*(SLang_BString_Type **) sptr); -} - -static int string_to_bstring (unsigned char a_type, VOID_STAR ap, unsigned int na, - unsigned char b_type, VOID_STAR bp) -{ - char **s; - SLang_BString_Type **b; - - (void) a_type; - (void) b_type; - - s = (char **) ap; - b = (SLang_BString_Type **) bp; - - if (NULL == make_n_bstrings (b, s, na, IS_SLSTRING)) - return -1; - - return 1; -} - -static int bstring_to_string (unsigned char a_type, VOID_STAR ap, unsigned int na, - unsigned char b_type, VOID_STAR bp) -{ - char **s; - unsigned int i; - SLang_BString_Type **a; - - (void) a_type; - (void) b_type; - - s = (char **) bp; - a = (SLang_BString_Type **) ap; - - for (i = 0; i < na; i++) - { - SLang_BString_Type *ai = a[i]; - - if (ai == NULL) - { - s[i] = NULL; - continue; - } - - if (NULL == (s[i] = SLang_create_slstring ((char *)BS_GET_POINTER(ai)))) - { - while (i != 0) - { - i--; - SLang_free_slstring (s[i]); - s[i] = NULL; - } - return -1; - } - } - - return 1; -} - -static char *bstring_string (unsigned char type, VOID_STAR v) -{ - SLang_BString_Type *s; - unsigned char buf[128]; - unsigned char *bytes, *bytes_max; - unsigned char *b, *bmax; - - (void) type; - - s = *(SLang_BString_Type **) v; - bytes = BS_GET_POINTER(s); - bytes_max = bytes + s->len; - - b = buf; - bmax = buf + (sizeof (buf) - 4); - - while (bytes < bytes_max) - { - unsigned char ch = *bytes; - - if ((ch < 32) || (ch >= 127) || (ch == '\\')) - { - if (b + 4 > bmax) - break; - - sprintf ((char *) b, "\\%03o", ch); - b += 4; - } - else - { - if (b == bmax) - break; - - *b++ = ch; - } - - bytes++; - } - - if (bytes < bytes_max) - { - *b++ = '.'; - *b++ = '.'; - *b++ = '.'; - } - *b = 0; - - return SLmake_string ((char *)buf); -} - -static unsigned int bstrlen_cmd (SLang_BString_Type *b) -{ - return b->len; -} - -static SLang_Intrin_Fun_Type BString_Table [] = /*{{{*/ -{ - MAKE_INTRINSIC_1("bstrlen", bstrlen_cmd, SLANG_UINT_TYPE, SLANG_BSTRING_TYPE), - MAKE_INTRINSIC_0("pack", _SLpack, SLANG_VOID_TYPE), - MAKE_INTRINSIC_2("unpack", _SLunpack, SLANG_VOID_TYPE, SLANG_STRING_TYPE, SLANG_BSTRING_TYPE), - MAKE_INTRINSIC_1("pad_pack_format", _SLpack_pad_format, SLANG_VOID_TYPE, SLANG_STRING_TYPE), - MAKE_INTRINSIC_1("sizeof_pack", _SLpack_compute_size, SLANG_UINT_TYPE, SLANG_STRING_TYPE), - SLANG_END_INTRIN_FUN_TABLE -}; - -int _SLang_init_bstring (void) -{ - SLang_Class_Type *cl; - - if (NULL == (cl = SLclass_allocate_class ("BString_Type"))) - return -1; - (void) SLclass_set_destroy_function (cl, bstring_destroy); - (void) SLclass_set_push_function (cl, bstring_push); - (void) SLclass_set_string_function (cl, bstring_string); - - if (-1 == SLclass_register_class (cl, SLANG_BSTRING_TYPE, sizeof (char *), - SLANG_CLASS_TYPE_PTR)) - return -1; - - if ((-1 == SLclass_add_typecast (SLANG_BSTRING_TYPE, SLANG_STRING_TYPE, bstring_to_string, 1)) - || (-1 == SLclass_add_typecast (SLANG_STRING_TYPE, SLANG_BSTRING_TYPE, string_to_bstring, 1)) - || (-1 == SLclass_add_binary_op (SLANG_BSTRING_TYPE, SLANG_BSTRING_TYPE, bstring_bstring_bin_op, bstring_bstring_bin_op_result)) - || (-1 == SLclass_add_binary_op (SLANG_STRING_TYPE, SLANG_BSTRING_TYPE, string_bstring_bin_op, bstring_bstring_bin_op_result)) - || (-1 == SLclass_add_binary_op (SLANG_BSTRING_TYPE, SLANG_STRING_TYPE, bstring_string_bin_op, bstring_bstring_bin_op_result))) - - return -1; - - if (-1 == SLadd_intrin_fun_table (BString_Table, NULL)) - return -1; - - return 0; -} - diff --git a/mdk-stage1/slang/slclass.c b/mdk-stage1/slang/slclass.c deleted file mode 100644 index 733888cb8..000000000 --- a/mdk-stage1/slang/slclass.c +++ /dev/null @@ -1,1391 +0,0 @@ -/* User defined objects */ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -#if _SLANG_OPTIMIZE_FOR_SPEED -unsigned char _SLclass_Class_Type [256]; -#endif - -static SLang_Class_Type *Registered_Types[256]; -SLang_Class_Type *_SLclass_get_class (unsigned char type) -{ - SLang_Class_Type *cl; - - cl = Registered_Types [type]; - if (cl == NULL) - SLang_exit_error ("Application error: Type %d not registered", (int) type); - - return cl; -} - -int SLclass_is_class_defined (unsigned char type) -{ - return (NULL != Registered_Types[type]); -} - -VOID_STAR _SLclass_get_ptr_to_value (SLang_Class_Type *cl, - SLang_Object_Type *obj) -{ - VOID_STAR p; - - switch (cl->cl_class_type) - { - case SLANG_CLASS_TYPE_MMT: - case SLANG_CLASS_TYPE_PTR: - case SLANG_CLASS_TYPE_SCALAR: - p = (VOID_STAR) &obj->v; - break; - - case SLANG_CLASS_TYPE_VECTOR: - p = obj->v.ptr_val; - break; - - default: - p = NULL; - } - return p; -} - -char *SLclass_get_datatype_name (unsigned char stype) -{ - SLang_Class_Type *cl; - - cl = _SLclass_get_class (stype); - return cl->cl_name; -} - -static int method_undefined_error (unsigned char type, char *method, char *name) -{ - if (name == NULL) name = SLclass_get_datatype_name (type); - - SLang_verror (SL_TYPE_MISMATCH, "%s method not defined for %s", - method, name); - return -1; -} - -static int -scalar_vector_bin_op_result (int op, unsigned char a, unsigned char b, - unsigned char *c) -{ - (void) a; (void) b; - switch (op) - { - case SLANG_NE: - case SLANG_EQ: - *c = SLANG_INT_TYPE; - return 1; - } - return 0; -} - -static int -scalar_vector_bin_op (int op, - unsigned char a_type, VOID_STAR ap, unsigned int na, - unsigned char b_type, VOID_STAR bp, unsigned int nb, - VOID_STAR cp) -{ - int *c; - char *a, *b; - unsigned int da, db; - unsigned int n, n_max; - unsigned int data_type_len; - SLang_Class_Type *cl; - - (void) b_type; - cl = _SLclass_get_class (a_type); - - data_type_len = cl->cl_sizeof_type; - - a = (char *) ap; - b = (char *) bp; - c = (int *) cp; - - if (na == 1) da = 0; else da = data_type_len; - if (nb == 1) db = 0; else db = data_type_len; - if (na > nb) n_max = na; else n_max = nb; - - switch (op) - { - default: - return 0; - - case SLANG_NE: - for (n = 0; n < n_max; n++) - { - c[n] = (0 != SLMEMCMP(a, b, data_type_len)); - a += da; b += db; - } - break; - - case SLANG_EQ: - for (n = 0; n < n_max; n++) - { - c[n] = (0 == SLMEMCMP(a, b, data_type_len)); - a += da; b += db; - } - break; - } - return 1; -} - -static int scalar_fread (unsigned char type, FILE *fp, VOID_STAR ptr, - unsigned int desired, unsigned int *actual) -{ - unsigned int n; - - n = fread ((char *) ptr, _SLclass_get_class (type)->cl_sizeof_type, - desired, fp); - *actual = n; - return 0; -} - -static int scalar_fwrite (unsigned char type, FILE *fp, VOID_STAR ptr, - unsigned int desired, unsigned int *actual) -{ - unsigned int n; - - n = fwrite ((char *) ptr, _SLclass_get_class (type)->cl_sizeof_type, - desired, fp); - *actual = n; - return 0; -} - -static int vector_apush (unsigned char type, VOID_STAR ptr) -{ - SLang_Class_Type *cl; - - cl = _SLclass_get_class (type); - return (*cl->cl_push)(type, (VOID_STAR) &ptr); -} - -static int vector_apop (unsigned char type, VOID_STAR ptr) -{ - SLang_Class_Type *cl; - - cl = _SLclass_get_class (type); - return (*cl->cl_pop)(type, (VOID_STAR) &ptr); -} - -static int default_push_mmt (unsigned char type_unused, VOID_STAR ptr) -{ - SLang_MMT_Type *ref; - - (void) type_unused; - ref = *(SLang_MMT_Type **) ptr; - return SLang_push_mmt (ref); -} - -static void default_destroy_simple (unsigned char type_unused, VOID_STAR ptr_unused) -{ - (void) type_unused; - (void) ptr_unused; -} - -static void default_destroy_user (unsigned char type, VOID_STAR ptr) -{ - (void) type; - SLang_free_mmt (*(SLang_MMT_Type **) ptr); -} - -static int default_pop (unsigned char type, VOID_STAR ptr) -{ - return SLclass_pop_ptr_obj (type, (VOID_STAR *) ptr); -} - -static int default_datatype_deref (unsigned char type) -{ - return method_undefined_error (type, "datatype_deref", NULL); -} - -static int default_acopy (unsigned char type, VOID_STAR from, VOID_STAR to) -{ - SLang_Class_Type *cl; - - cl = _SLclass_get_class (type); - if (-1 == (*cl->cl_apush) (type, from)) - return -1; - return (*cl->cl_apop) (type, to); -} - -static int default_dereference_object (unsigned char type, VOID_STAR ptr) -{ - (void) ptr; - return method_undefined_error (type, "dereference", NULL); -} - -static char *default_string (unsigned char stype, VOID_STAR v) -{ - char buf [256]; - char *s; -#if SLANG_HAS_COMPLEX - double *cplx; -#endif - s = buf; - - switch (stype) - { - case SLANG_STRING_TYPE: - s = *(char **) v; - break; - - case SLANG_NULL_TYPE: - s = "NULL"; - break; - - case SLANG_DATATYPE_TYPE: - s = SLclass_get_datatype_name ((unsigned char) *(int *)v); - break; - -#if SLANG_HAS_COMPLEX - case SLANG_COMPLEX_TYPE: - cplx = *(double **) v; - if (cplx[1] < 0) - sprintf (s, "(%g - %gi)", cplx [0], -cplx [1]); - else - sprintf (s, "(%g + %gi)", cplx [0], cplx [1]); - break; -#endif - default: - s = SLclass_get_datatype_name (stype); - } - - return SLmake_string (s); -} - -static int -use_cmp_bin_op_result (int op, unsigned char a, unsigned char b, - unsigned char *c) -{ - if (a != b) - return 0; - switch (op) - { - case SLANG_NE: - case SLANG_EQ: - case SLANG_LT: - case SLANG_LE: - case SLANG_GT: - case SLANG_GE: - *c = SLANG_INT_TYPE; - return 1; - } - return 0; -} - -static int -use_cmp_bin_op (int op, - unsigned char a_type, VOID_STAR ap, unsigned int na, - unsigned char b_type, VOID_STAR bp, unsigned int nb, - VOID_STAR cp) -{ - int *c; - char *a, *b; - unsigned int da, db; - unsigned int n, n_max; - unsigned int data_type_len; - SLang_Class_Type *cl; - int (*cmp)(unsigned char, VOID_STAR, VOID_STAR, int *); - - (void) b_type; - cl = _SLclass_get_class (a_type); - cmp = cl->cl_cmp; - data_type_len = cl->cl_sizeof_type; - - a = (char *) ap; - b = (char *) bp; - c = (int *) cp; - - if (na == 1) da = 0; else da = data_type_len; - if (nb == 1) db = 0; else db = data_type_len; - if (na > nb) n_max = na; else n_max = nb; - - switch (op) - { - int result; - - default: - return 0; - - case SLANG_NE: - for (n = 0; n < n_max; n++) - { - if (-1 == (*cmp) (a_type, (VOID_STAR)a, (VOID_STAR)b, &result)) - return -1; - c[n] = (result != 0); - a += da; b += db; - } - break; - - case SLANG_EQ: - for (n = 0; n < n_max; n++) - { - if (-1 == (*cmp) (a_type, (VOID_STAR)a, (VOID_STAR)b, &result)) - return -1; - c[n] = (result == 0); - a += da; b += db; - } - break; - - case SLANG_GT: - for (n = 0; n < n_max; n++) - { - if (-1 == (*cmp) (a_type, (VOID_STAR)a, (VOID_STAR)b, &result)) - return -1; - c[n] = (result > 0); - a += da; b += db; - } - break; - case SLANG_GE: - for (n = 0; n < n_max; n++) - { - if (-1 == (*cmp) (a_type, (VOID_STAR)a, (VOID_STAR)b, &result)) - return -1; - c[n] = (result >= 0); - a += da; b += db; - } - break; - case SLANG_LT: - for (n = 0; n < n_max; n++) - { - if (-1 == (*cmp) (a_type, (VOID_STAR)a, (VOID_STAR)b, &result)) - return -1; - c[n] = (result < 0); - a += da; b += db; - } - break; - case SLANG_LE: - for (n = 0; n < n_max; n++) - { - if (-1 == (*cmp) (a_type, (VOID_STAR)a, (VOID_STAR)b, &result)) - return -1; - c[n] = (result <= 0); - a += da; b += db; - } - break; - } - return 1; -} - - -int SLclass_get_class_id (SLang_Class_Type *cl) -{ - if (cl == NULL) - return -1; - return (int) cl->cl_data_type; -} - -SLang_Class_Type *SLclass_allocate_class (char *name) -{ - SLang_Class_Type *cl; - unsigned int i; - - for (i = 0; i < 256; i++) - { - cl = Registered_Types [i]; - if ((cl != NULL) - && (0 == strcmp (cl->cl_name, name))) - { - SLang_verror (SL_DUPLICATE_DEFINITION, "Type name %s already exists", name); - return NULL; - } - } - - cl = (SLang_Class_Type *) SLmalloc (sizeof (SLang_Class_Type)); - if (cl == NULL) return NULL; - - SLMEMSET ((char *) cl, 0, sizeof (SLang_Class_Type)); - - if (NULL == (cl->cl_name = SLang_create_slstring (name))) - { - SLfree ((char *) cl); - return NULL; - } - - return cl; -} - -static int DataType_Ids [256]; - -int _SLang_push_datatype (unsigned char data_type) -{ - /* This data type could be a copy of another type, e.g., short and - * int if they are the same size (Int16 == Short). So, make sure - * we push the original and not the copy. - */ - data_type = _SLclass_get_class (data_type)->cl_data_type; - return SLclass_push_int_obj (SLANG_DATATYPE_TYPE, (int) data_type); -} - -static int datatype_deref (unsigned char type, VOID_STAR ptr) -{ - SLang_Class_Type *cl; - int status; - - /* The parser generated code for this as if a function call were to be - * made. However, we are calling the deref object routine - * instead of the function call. So, I must simulate the function call. - */ - if (-1 == _SL_increment_frame_pointer ()) - return -1; - - type = (unsigned char) *(int *) ptr; - cl = _SLclass_get_class (type); - status = (*cl->cl_datatype_deref) (type); - - (void) _SL_decrement_frame_pointer (); - return status; -} - -static int datatype_push (unsigned char type_unused, VOID_STAR ptr) -{ - (void) type_unused; - return _SLang_push_datatype (*(int *) ptr); -} - -int _SLang_pop_datatype (unsigned char *type) -{ - int i; - - if (-1 == SLclass_pop_int_obj (SLANG_DATATYPE_TYPE, &i)) - return -1; - - *type = (unsigned char) i; - return 0; -} - -static int datatype_pop (unsigned char type, VOID_STAR ptr) -{ - if (-1 == _SLang_pop_datatype (&type)) - return -1; - - *(int *) ptr = type; - return 0; -} - -int _SLclass_init (void) -{ - SLang_Class_Type *cl; - - /* First initialize the container classes. This is so binary operations - * added later will work with them. - */ - if (-1 == _SLarray_init_slarray ()) - return -1; - - /* DataType_Type */ - if (NULL == (cl = SLclass_allocate_class ("DataType_Type"))) - return -1; - cl->cl_pop = datatype_pop; - cl->cl_push = datatype_push; - cl->cl_dereference = datatype_deref; - if (-1 == SLclass_register_class (cl, SLANG_DATATYPE_TYPE, sizeof(int), - SLANG_CLASS_TYPE_SCALAR)) - return -1; - - return 0; -} - -static int register_new_datatype (char *name, unsigned char type) -{ - DataType_Ids [type] = type; - return SLadd_intrinsic_variable (name, (VOID_STAR) (DataType_Ids + type), - SLANG_DATATYPE_TYPE, 1); -} - -int SLclass_create_synonym (char *name, unsigned char type) -{ - if (NULL == _SLclass_get_class (type)) - return -1; - - return register_new_datatype (name, type); -} - -int _SLclass_copy_class (unsigned char to, unsigned char from) -{ - SLang_Class_Type *cl = _SLclass_get_class (from); - - if (Registered_Types[to] != NULL) - SLang_exit_error ("Application error: Class already exists"); - - Registered_Types[to] = cl; - -#if _SLANG_OPTIMIZE_FOR_SPEED - if (to != SLANG_UNDEFINED_TYPE) - _SLclass_Class_Type [to] = cl->cl_class_type; -#endif - return 0; -} - -int SLclass_register_class (SLang_Class_Type *cl, unsigned char type, unsigned int type_size, unsigned char class_type) -{ - char *name; - unsigned int i; - int can_binop = 1; /* scalar_vector_bin_op should work - * for all data types. - */ - - if (type == SLANG_VOID_TYPE) for (i = 0; i < 256; i++) - { - if ((Registered_Types[i] == NULL) - && (i != SLANG_VOID_TYPE)) - { - type = (unsigned char) i; - break; - } - } - - if ((NULL != Registered_Types [type]) - || (type == SLANG_VOID_TYPE)) - { - SLang_verror (SL_APPLICATION_ERROR, "Class type %d already in use", (int) type); - return -1; - } - - cl->cl_data_type = type; - cl->cl_class_type = class_type; - name = cl->cl_name; - - switch (class_type) - { - case SLANG_CLASS_TYPE_MMT: - if (cl->cl_push == NULL) cl->cl_push = default_push_mmt; - if (cl->cl_destroy == NULL) - return method_undefined_error (type, "destroy", name); - cl->cl_user_destroy_fun = cl->cl_destroy; - cl->cl_destroy = default_destroy_user; - type_size = sizeof (VOID_STAR); - break; - - case SLANG_CLASS_TYPE_SCALAR: - if (cl->cl_destroy == NULL) cl->cl_destroy = default_destroy_simple; - if ((type_size == 0) - || (type_size > sizeof (_SL_Object_Union_Type))) - { - SLang_verror (SL_INVALID_PARM, - "Type size for %s not appropriate for SCALAR type", - name); - return -1; - } - if (cl->cl_pop == NULL) - return method_undefined_error (type, "pop", name); - if (cl->cl_fread == NULL) cl->cl_fread = scalar_fread; - if (cl->cl_fwrite == NULL) cl->cl_fwrite = scalar_fwrite; - - can_binop = 1; - break; - - case SLANG_CLASS_TYPE_PTR: - if (cl->cl_destroy == NULL) - return method_undefined_error (type, "destroy", name); - type_size = sizeof (VOID_STAR); - break; - - case SLANG_CLASS_TYPE_VECTOR: - if (cl->cl_destroy == NULL) - return method_undefined_error (type, "destroy", name); - if (cl->cl_pop == NULL) - return method_undefined_error (type, "pop", name); - cl->cl_apop = vector_apop; - cl->cl_apush = vector_apush; - cl->cl_adestroy = default_destroy_simple; - if (cl->cl_fread == NULL) cl->cl_fread = scalar_fread; - if (cl->cl_fwrite == NULL) cl->cl_fwrite = scalar_fwrite; - can_binop = 1; - break; - - default: - SLang_verror (SL_INVALID_PARM, "%s: unknown class type (%d)", name, class_type); - return -1; - } - -#if _SLANG_OPTIMIZE_FOR_SPEED - if (type != SLANG_UNDEFINED_TYPE) - _SLclass_Class_Type [type] = class_type; -#endif - - if (type_size == 0) - { - SLang_verror (SL_INVALID_PARM, "type size must be non-zero for %s", name); - return -1; - } - - if (cl->cl_string == NULL) cl->cl_string = default_string; - if (cl->cl_acopy == NULL) cl->cl_acopy = default_acopy; - if (cl->cl_datatype_deref == NULL) cl->cl_datatype_deref = default_datatype_deref; - - if (cl->cl_pop == NULL) cl->cl_pop = default_pop; - - if (cl->cl_push == NULL) - return method_undefined_error (type, "push", name); - - if (cl->cl_byte_code_destroy == NULL) - cl->cl_byte_code_destroy = cl->cl_destroy; - if (cl->cl_push_literal == NULL) - cl->cl_push_literal = cl->cl_push; - - if (cl->cl_dereference == NULL) - cl->cl_dereference = default_dereference_object; - - if (cl->cl_apop == NULL) cl->cl_apop = cl->cl_pop; - if (cl->cl_apush == NULL) cl->cl_apush = cl->cl_push; - if (cl->cl_adestroy == NULL) cl->cl_adestroy = cl->cl_destroy; - if (cl->cl_push_intrinsic == NULL) cl->cl_push_intrinsic = cl->cl_push; - - if ((cl->cl_foreach == NULL) - || (cl->cl_foreach_open == NULL) - || (cl->cl_foreach_close == NULL)) - { - cl->cl_foreach = _SLarray_cl_foreach; - cl->cl_foreach_open = _SLarray_cl_foreach_open; - cl->cl_foreach_close = _SLarray_cl_foreach_close; - } - - cl->cl_sizeof_type = type_size; - - if (NULL == (cl->cl_transfer_buf = (VOID_STAR) SLmalloc (type_size))) - return -1; - - Registered_Types[type] = cl; - - if (-1 == register_new_datatype (name, type)) - return -1; - - if (cl->cl_cmp != NULL) - { - if (-1 == SLclass_add_binary_op (type, type, use_cmp_bin_op, use_cmp_bin_op_result)) - return -1; - } - else if (can_binop - && (-1 == SLclass_add_binary_op (type, type, scalar_vector_bin_op, scalar_vector_bin_op_result))) - return -1; - - cl->cl_anytype_typecast = _SLanytype_typecast; - - return 0; -} - -int SLclass_add_math_op (unsigned char type, - int (*handler)(int, - unsigned char, VOID_STAR, unsigned int, - VOID_STAR), - int (*result) (int, unsigned char, unsigned char *)) -{ - SLang_Class_Type *cl = _SLclass_get_class (type); - - cl->cl_math_op = handler; - cl->cl_math_op_result_type = result; - return 0; -} - -int SLclass_add_binary_op (unsigned char a, unsigned char b, - int (*f) (int, - unsigned char, VOID_STAR, unsigned int, - unsigned char, VOID_STAR, unsigned int, - VOID_STAR), - int (*r) (int, unsigned char, unsigned char, unsigned char *)) -{ - SLang_Class_Type *cl; - SL_OOBinary_Type *ab; - - if ((f == NULL) || (r == NULL)) - { - SLang_verror (SL_INVALID_PARM, "SLclass_add_binary_op"); - return -1; - } - - cl = _SLclass_get_class (a); - (void) _SLclass_get_class (b); - - if (NULL == (ab = (SL_OOBinary_Type *) SLmalloc (sizeof(SL_OOBinary_Type)))) - return -1; - - ab->data_type = b; - ab->binary_function = f; - ab->binary_result = r; - ab->next = cl->cl_binary_ops; - cl->cl_binary_ops = ab; - - if ((a != SLANG_ARRAY_TYPE) - && (b != SLANG_ARRAY_TYPE)) - { - if ((-1 == _SLarray_add_bin_op (a)) - || (-1 == _SLarray_add_bin_op (b))) - return -1; - } - - return 0; -} - -int SLclass_add_unary_op (unsigned char type, - int (*f)(int, - unsigned char, VOID_STAR, unsigned int, - VOID_STAR), - int (*r)(int, unsigned char, unsigned char *)) -{ - SLang_Class_Type *cl; - - cl = _SLclass_get_class (type); - if ((f == NULL) || (r == NULL)) - { - SLang_verror (SL_INVALID_PARM, "SLclass_add_unary_op"); - return -1; - } - - cl->cl_unary_op = f; - cl->cl_unary_op_result_type = r; - - return 0; -} - -int SLclass_add_app_unary_op (unsigned char type, - int (*f)(int, - unsigned char, VOID_STAR, unsigned int, - VOID_STAR), - int (*r)(int, unsigned char, unsigned char *)) -{ - SLang_Class_Type *cl; - - cl = _SLclass_get_class (type); - if ((f == NULL) || (r == NULL)) - { - SLang_verror (SL_INVALID_PARM, "SLclass_add_app_unary_op"); - return -1; - } - - cl->cl_app_unary_op = f; - cl->cl_app_unary_op_result_type = r; - - return 0; -} - -int SLclass_set_pop_function (SLang_Class_Type *cl, int (*f)(unsigned char, VOID_STAR)) -{ - if (cl == NULL) return -1; - cl->cl_pop = f; - - return 0; -} - -int SLclass_set_push_function (SLang_Class_Type *cl, int (*f)(unsigned char, VOID_STAR)) -{ - if (cl == NULL) return -1; - cl->cl_push = f; - - return 0; -} - -int SLclass_set_string_function (SLang_Class_Type *cl, char *(*f)(unsigned char, VOID_STAR)) -{ - if (cl == NULL) return -1; - - cl->cl_string = f; - return 0; -} - -int SLclass_set_destroy_function (SLang_Class_Type *cl, void (*f)(unsigned char, VOID_STAR)) -{ - if (cl == NULL) return -1; - - cl->cl_destroy = f; - return 0; -} - -int SLclass_set_sget_function (SLang_Class_Type *cl, int (*f)(unsigned char, char *)) -{ - if (cl == NULL) return -1; - cl->cl_sget = f; - return 0; -} - -int SLclass_set_sput_function (SLang_Class_Type *cl, int (*f)(unsigned char, char *)) -{ - if (cl == NULL) return -1; - cl->cl_sput = f; - return 0; -} - -int SLclass_set_aget_function (SLang_Class_Type *cl, int (*f)(unsigned char, unsigned int)) -{ - if (cl == NULL) return -1; - cl->cl_aget = f; - return 0; -} - -int SLclass_set_aput_function (SLang_Class_Type *cl, int (*f)(unsigned char, unsigned int)) -{ - if (cl == NULL) return -1; - cl->cl_aput = f; - return 0; -} - -int SLclass_set_anew_function (SLang_Class_Type *cl, int (*f)(unsigned char, unsigned int)) -{ - if (cl == NULL) return -1; - cl->cl_anew = f; - return 0; -} - -/* Misc */ -void _SLclass_type_mismatch_error (unsigned char a, unsigned char b) -{ - SLang_verror (SL_TYPE_MISMATCH, "Expecting %s, found %s", - SLclass_get_datatype_name (a), - SLclass_get_datatype_name (b)); -} - -/* */ - -static int null_binary_fun (int op, - unsigned char a, VOID_STAR ap, unsigned int na, - unsigned char b, VOID_STAR bp, unsigned int nb, - VOID_STAR cp) -{ - int *ic; - unsigned int i; - int c; - - (void) ap; (void) bp; - - switch (op) - { - case SLANG_EQ: - c = (a == b); - break; - - case SLANG_NE: - c = (a != b); - break; - - default: - return 0; - } - - if (na > nb) nb = na; - ic = (int *) cp; - for (i = 0; i < nb; i++) - ic[i] = c; - - return 1; -} - -static char *get_binary_op_string (int op) -{ - static char *ops[SLANG_MOD] = - { - "+", "=", "*", "/", "==", "!=", ">", ">=", "<", "<=", "^", - "or", "and", "&", "|", "xor", "shl", "shr", "mod" - }; - - if ((op > SLANG_MOD) || (op <= 0)) - return "??"; - return ops[op - 1]; -} - -int (*_SLclass_get_binary_fun (int op, - SLang_Class_Type *a_cl, SLang_Class_Type *b_cl, - SLang_Class_Type **c_cl, int do_error)) -(int, - unsigned char, VOID_STAR, unsigned int, - unsigned char, VOID_STAR, unsigned int, - VOID_STAR) -{ - SL_OOBinary_Type *bt; - unsigned char a, b, c; - - a = a_cl->cl_data_type; - b = b_cl->cl_data_type; - - if ((a == SLANG_NULL_TYPE) || (b == SLANG_NULL_TYPE)) - { - *c_cl = _SLclass_get_class (SLANG_INT_TYPE); - return null_binary_fun; - } - - bt = a_cl->cl_binary_ops; - - while (bt != NULL) - { - if (bt->data_type == b) - { - if (1 != (*bt->binary_result)(op, a, b, &c)) - break; - - if (c == a) *c_cl = a_cl; - else if (c == b) *c_cl = b_cl; - else *c_cl = _SLclass_get_class (c); - - return bt->binary_function; - } - - bt = bt->next; - } - - if (do_error) - SLang_verror (SL_TYPE_MISMATCH, "%s %s %s is not possible", - a_cl->cl_name, get_binary_op_string (op), b_cl->cl_name); - - *c_cl = NULL; - return NULL; -} - -int (*_SLclass_get_unary_fun (int op, - SLang_Class_Type *a_cl, - SLang_Class_Type **b_cl, - int utype)) -(int, unsigned char, VOID_STAR, unsigned int, VOID_STAR) -{ - int (*f)(int, unsigned char, VOID_STAR, unsigned int, VOID_STAR); - int (*r)(int, unsigned char, unsigned char *); - unsigned char a; - unsigned char b; - - switch (utype) - { - case _SLANG_BC_UNARY: - f = a_cl->cl_unary_op; - r = a_cl->cl_unary_op_result_type; - break; - - case _SLANG_BC_MATH_UNARY: - f = a_cl->cl_math_op; - r = a_cl->cl_math_op_result_type; - break; - - case _SLANG_BC_APP_UNARY: - f = a_cl->cl_app_unary_op; - r = a_cl->cl_app_unary_op_result_type; - break; - - default: - f = NULL; - r = NULL; - } - - a = a_cl->cl_data_type; - if ((f != NULL) && (r != NULL) && (1 == (*r) (op, a, &b))) - { - if (a == b) - *b_cl = a_cl; - else - *b_cl = _SLclass_get_class (b); - return f; - } - - SLang_verror (SL_TYPE_MISMATCH, "undefined unary operation/function on %s", - a_cl->cl_name); - - *b_cl = NULL; - - return NULL; -} - -int -SLclass_typecast (unsigned char to_type, int is_implicit, int allow_array) -{ - unsigned char from_type; - SLang_Class_Type *cl_to, *cl_from; - SLang_Object_Type obj; - VOID_STAR ap; - VOID_STAR bp; - int status; - - if (-1 == SLang_pop (&obj)) - return -1; - - from_type = obj.data_type; - if (from_type == to_type) - { - SLang_push (&obj); - return 0; - } - - cl_from = _SLclass_get_class (from_type); - - /* Since the typecast functions are designed to work on arrays, - * get the pointer to the value instead of just &obj.v. - */ - ap = _SLclass_get_ptr_to_value (cl_from, &obj); - - if ((from_type == SLANG_ARRAY_TYPE) - && (allow_array || (to_type != SLANG_ANY_TYPE))) - { - if (allow_array == 0) - goto return_error; - - cl_to = _SLclass_get_class (SLANG_ARRAY_TYPE); - bp = cl_to->cl_transfer_buf; - status = _SLarray_typecast (from_type, ap, 1, to_type, bp, is_implicit); - } - else - { - int (*t) (unsigned char, VOID_STAR, unsigned int, unsigned char, VOID_STAR); - - if (NULL == (t = _SLclass_get_typecast (from_type, to_type, is_implicit))) - { - SLang_free_object (&obj); - return -1; - } - - cl_to = _SLclass_get_class (to_type); - bp = cl_to->cl_transfer_buf; - status = (*t) (from_type, ap, 1, to_type, bp); - } - - if (1 == status) - { - if (-1 == (*cl_to->cl_apush)(to_type, bp)) - { - (*cl_to->cl_adestroy) (to_type, bp); - SLang_free_object (&obj); - return -1; - } - - /* cl_apush will push a copy, so destry this one */ - (*cl_to->cl_adestroy) (to_type, bp); - SLang_free_object (&obj); - return 0; - } - - return_error: - - SLang_verror (SL_TYPE_MISMATCH, "Unable to typecast %s to %s", - cl_from->cl_name, - SLclass_get_datatype_name (to_type)); - SLang_free_object (&obj); - return -1; -} - -int (*_SLclass_get_typecast (unsigned char from, unsigned char to, int is_implicit)) -(unsigned char, VOID_STAR, unsigned int, - unsigned char, VOID_STAR) -{ - SL_Typecast_Type *t; - SLang_Class_Type *cl_from; - - cl_from = _SLclass_get_class (from); - - t = cl_from->cl_typecast_funs; - while (t != NULL) - { - if (t->data_type != to) - { - t = t->next; - continue; - } - - if (is_implicit && (t->allow_implicit == 0)) - break; - - return t->typecast; - } - - if (to == SLANG_ANY_TYPE) - return _SLanytype_typecast; - - if ((is_implicit == 0) - && (cl_from->cl_void_typecast != NULL)) - return cl_from->cl_void_typecast; - - SLang_verror (SL_TYPE_MISMATCH, "Unable to typecast %s to %s", - cl_from->cl_name, - SLclass_get_datatype_name (to)); - - return NULL; -} - -int -SLclass_add_typecast (unsigned char from, unsigned char to, - int (*f)_PROTO((unsigned char, VOID_STAR, unsigned int, - unsigned char, VOID_STAR)), - int allow_implicit) -{ - SL_Typecast_Type *t; - SLang_Class_Type *cl; - - cl = _SLclass_get_class (from); - if (to == SLANG_VOID_TYPE) - { - cl->cl_void_typecast = f; - return 0; - } - - (void) _SLclass_get_class (to); - - if (NULL == (t = (SL_Typecast_Type *) SLmalloc (sizeof (SL_Typecast_Type)))) - return -1; - - SLMEMSET((char *) t, 0, sizeof(SL_Typecast_Type)); - t->data_type = to; - t->next = cl->cl_typecast_funs; - t->typecast = f; - t->allow_implicit = allow_implicit; - - cl->cl_typecast_funs = t; - - return 0; -} - -SLang_MMT_Type *SLang_pop_mmt (unsigned char type) /*{{{*/ -{ - SLang_MMT_Type *mmt; - - if (-1 == SLclass_pop_ptr_obj (type, (VOID_STAR *) &mmt)) - mmt = NULL; - return mmt; - -#if 0 - SLang_Object_Type obj; - SLang_Class_Type *cl; - - if (_SLang_pop_object_of_type (type, &obj)) - return NULL; - - cl = _SLclass_get_class (type); - if ((cl->cl_class_type == SLANG_CLASS_TYPE_MMT) - && (obj.data_type == type)) - { - return obj.v.ref; - } - - _SLclass_type_mismatch_error (type, obj.data_type); - SLang_free_object (&obj); - return NULL; -#endif -} - -/*}}}*/ - -int SLang_push_mmt (SLang_MMT_Type *ref) /*{{{*/ -{ - if (ref == NULL) - return SLang_push_null (); - - ref->count += 1; - - if (0 == SLclass_push_ptr_obj (ref->data_type, (VOID_STAR) ref)) - return 0; - - ref->count -= 1; - return -1; -} - -/*}}}*/ - -void SLang_inc_mmt (SLang_MMT_Type *ref) -{ - if (ref != NULL) - ref->count += 1; -} - -VOID_STAR SLang_object_from_mmt (SLang_MMT_Type *ref) -{ - if (ref == NULL) - return NULL; - - return ref->user_data; -} - -SLang_MMT_Type *SLang_create_mmt (unsigned char t, VOID_STAR p) -{ - SLang_MMT_Type *ref; - - (void) _SLclass_get_class (t); /* check to see if it is registered */ - - if (NULL == (ref = (SLang_MMT_Type *) SLmalloc (sizeof (SLang_MMT_Type)))) - return NULL; - - SLMEMSET ((char *) ref, 0, sizeof (SLang_MMT_Type)); - - ref->data_type = t; - ref->user_data = p; - /* FIXME!! To be consistent with other types, the reference count should - * be set to 1 here. However, doing so will require other code changes - * involving the use of MMTs. For instance, SLang_free_mmt would have - * to be called after every push of the MMT. - */ - return ref; -} - -void SLang_free_mmt (SLang_MMT_Type *ref) -{ - unsigned char type; - SLang_Class_Type *cl; - - if (ref == NULL) - return; - - /* This can be zero if SLang_create_mmt is called followed - * by this routine before anything gets a chance to attach itself - * to it. - */ - if (ref->count > 1) - { - ref->count -= 1; - return; - } - - type = ref->data_type; - cl = _SLclass_get_class (type); - (*cl->cl_user_destroy_fun) (type, ref->user_data); - SLfree ((char *)ref); -} - -int SLang_push_value (unsigned char type, VOID_STAR v) -{ - SLang_Class_Type *cl; - - cl = _SLclass_get_class (type); - return (*cl->cl_apush)(type, v); -} - -int SLang_pop_value (unsigned char type, VOID_STAR v) -{ - SLang_Class_Type *cl; - - cl = _SLclass_get_class (type); - return (*cl->cl_apop)(type, v); -} - -void SLang_free_value (unsigned char type, VOID_STAR v) -{ - SLang_Class_Type *cl; - - cl = _SLclass_get_class (type); - (*cl->cl_adestroy) (type, v); -} - -/* These routines are very low-level and are designed for application data - * types to access the stack from their push/pop methods. The int and - * pointer versions are in slang.c - */ -#if SLANG_HAS_FLOAT -int SLclass_push_double_obj (unsigned char type, double x) -{ - SLang_Object_Type obj; - obj.data_type = type; - obj.v.double_val = x; - return SLang_push (&obj); -} -int SLclass_push_float_obj (unsigned char type, float x) -{ - SLang_Object_Type obj; - obj.data_type = type; - obj.v.float_val = x; - return SLang_push (&obj); -} - -#endif - -int SLclass_push_long_obj (unsigned char type, long x) -{ - SLang_Object_Type obj; - obj.data_type = type; - obj.v.long_val = x; - return SLang_push (&obj); -} - -int SLclass_push_short_obj (unsigned char type, short x) -{ - SLang_Object_Type obj; - obj.data_type = type; - obj.v.short_val = x; - return SLang_push (&obj); -} - -int SLclass_push_char_obj (unsigned char type, char x) -{ - SLang_Object_Type obj; - obj.data_type = type; - obj.v.char_val = x; - return SLang_push (&obj); -} - -#if SLANG_HAS_FLOAT -int SLclass_pop_double_obj (unsigned char type, double *x) -{ - SLang_Object_Type obj; - - if (-1 == _SLang_pop_object_of_type (type, &obj, 0)) - return -1; - - *x = obj.v.double_val; - return 0; -} - -int SLclass_pop_float_obj (unsigned char type, float *x) -{ - SLang_Object_Type obj; - - if (-1 == _SLang_pop_object_of_type (type, &obj, 0)) - return -1; - - *x = obj.v.float_val; - return 0; -} -#endif - -int SLclass_pop_long_obj (unsigned char type, long *x) -{ - SLang_Object_Type obj; - - if (-1 == _SLang_pop_object_of_type (type, &obj, 0)) - return -1; - - *x = obj.v.long_val; - return 0; -} - -int SLclass_pop_int_obj (unsigned char type, int *x) -{ - SLang_Object_Type obj; - - if (-1 == _SLang_pop_object_of_type (type, &obj, 0)) - return -1; - - *x = obj.v.int_val; - return 0; -} - -int SLclass_pop_short_obj (unsigned char type, short *x) -{ - SLang_Object_Type obj; - - if (-1 == _SLang_pop_object_of_type (type, &obj, 0)) - return -1; - - *x = obj.v.short_val; - return 0; -} - -int SLclass_pop_char_obj (unsigned char type, char *x) -{ - SLang_Object_Type obj; - - if (-1 == _SLang_pop_object_of_type (type, &obj, 0)) - return -1; - - *x = obj.v.char_val; - return 0; -} - -int SLclass_pop_ptr_obj (unsigned char type, VOID_STAR *s) -{ - SLang_Object_Type obj; - - if (-1 == _SLang_pop_object_of_type (type, &obj, 0)) - { - *s = (VOID_STAR) NULL; - return -1; - } - *s = obj.v.ptr_val; - return 0; -} - diff --git a/mdk-stage1/slang/slcmd.c b/mdk-stage1/slang/slcmd.c deleted file mode 100644 index 4a00a90fc..000000000 --- a/mdk-stage1/slang/slcmd.c +++ /dev/null @@ -1,351 +0,0 @@ -/* cmd line facility for slang */ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ -#include "slinclud.h" - -#if SLANG_HAS_FLOAT -# include <math.h> -#endif - -#include "slang.h" -#include "_slang.h" - -#ifndef HAVE_STDLIB_H -/* Oh dear. Where is the prototype for atof? If not in stdlib, then - * I do not know where. Not in math.h onsome systems either. - */ -extern double atof (); -#endif - -static SLcmd_Cmd_Type *SLcmd_find_command (char *s, SLcmd_Cmd_Type *cmd) -{ - char *cmdstr; - char chs = *s++, ch; - - while ((cmd->cmdfun != NULL) - && (NULL != (cmdstr = cmd->cmd)) - && (0 != (ch = *cmdstr++))) - { - if ((ch == chs) && !strcmp (s, cmdstr)) return cmd; - cmd++; - } - return NULL; -} - -static int extract_token (char **strptr, char *buf) -{ - char *s, *b; - char ch, quote; - - *buf = 0; - - s = *strptr; - while (((ch = *s) != 0) - && ((ch == ' ') || (ch == '\t') || (ch == '\n'))) - s++; - - *strptr = s; - - if (ch == 0) return 0; - if (ch == '%') return 0; - - b = buf; - - *b++ = ch; - s++; - - if ((ch == '\'') || (ch == '"')) - { - quote = ch; - while ((ch = *s) != 0) - { - s++; - *b++ = ch; - if (ch == quote) - break; - - if (ch == '\\') - { - if (0 == (ch = *s)) - break; - *b++ = ch; - s++; - } - } - *strptr = s; - *b = 0; - return 1; - } - - while (((ch = *s) != 0) - && (ch != ' ') - && (ch != '\t') - && (ch != '\n') - && (ch != '%')) - *b++ = *s++; - - *strptr = s; - *b = 0; - return 1; -} - -static int allocate_arg_space (SLcmd_Cmd_Table_Type *table, int argc, unsigned int *space_ptr) -{ - unsigned int space = *space_ptr; - char *p; - - if (argc + 1 < (int) space) - return 0; - - if (space > 128) - { - if (space > 1024) space += 1024; - else space += 128; - } - else space += 32; - - if (NULL == (p = SLrealloc ((char *)table->string_args, space * sizeof (char *)))) - return -1; - table->string_args = (char **)p; - table->string_args [argc] = NULL; - - if (NULL == (p = SLrealloc ((char *)table->int_args, space * sizeof (int)))) - return -1; - table->int_args = (int *)p; - - if (NULL == (p = SLrealloc ((char *)table->double_args, space * sizeof (double)))) - return -1; - table->double_args = (double *)p; - - if (NULL == (p = SLrealloc ((char *)table->arg_type, space * sizeof (unsigned char)))) - return -1; - table->arg_type = (unsigned char *)p; - - *space_ptr = space; - return 0; -} - -int SLcmd_execute_string (char *str, SLcmd_Cmd_Table_Type *table) -{ - char *s, *b = NULL, *arg_type, *last_str, *cmd_name; - SLcmd_Cmd_Type *cmd; - char *buf; - int token_present; - int i; - int status; - unsigned int len; - int argc; - unsigned int space; - - table->argc = 0; - table->string_args = NULL; - table->int_args = NULL; - table->double_args = NULL; - table->arg_type = NULL; - - buf = SLmake_string (str); - if (buf == NULL) - return -1; - - status = extract_token (&str, buf); - if (status <= 0) - { - SLfree (buf); - return status; - } - - if (((len = strlen (buf)) >= 32) - || (NULL == (cmd = SLcmd_find_command (buf, table->table)))) - { - SLang_verror (SL_UNDEFINED_NAME,"%s: invalid command", buf); - SLfree (buf); - return -1; - } - - if (NULL == (cmd_name = SLmake_string (buf))) - { - SLfree (buf); - return -1; - } - - space = 0; - argc = 0; - if (-1 == allocate_arg_space (table, argc, &space)) - { - SLfree (buf); - return -1; - } - table->arg_type[argc] = SLANG_STRING_TYPE; - table->string_args[argc++] = cmd_name; - - arg_type = cmd->arg_type; - status = -1; - while (*arg_type) - { - int guess_type = 0; - - last_str = str; - - if (-1 == allocate_arg_space (table, argc, &space)) - goto error; - - if (-1 == (token_present = extract_token (&str, buf))) - goto error; - - table->string_args[argc] = NULL; - - if (token_present) - { - b = buf; - len = strlen (b); - - if ((*b == '"') && (len > 1)) - { - b++; - len -= 2; - b[len] = 0; - guess_type = SLANG_STRING_TYPE; - SLexpand_escaped_string (buf, b, b + len); - len = strlen (buf); - } - else if ((*b == '\'') && (len > 1)) - { - char ch; - b++; - len -= 2; - b[len] = 0; - guess_type = SLANG_INT_TYPE; - ch = *b; - if (ch == '\\') - (void) _SLexpand_escaped_char (b, &ch); - sprintf (buf, "%d", (unsigned char) ch); - len = strlen (buf); - } - else guess_type = SLang_guess_type (buf); - } - - switch (*arg_type++) - { - /* variable argument number */ - case 'v': - if (token_present == 0) break; - case 'V': - if (token_present == 0) - { - SLang_verror (SL_INVALID_PARM, "%s: Expecting argument", cmd_name); - goto error; - } - - while (*last_str == ' ') last_str++; - len = strlen (last_str); - str = last_str + len; - - s = SLmake_nstring (last_str, len); - if (s == NULL) goto error; - - table->arg_type[argc] = SLANG_STRING_TYPE; - table->string_args[argc++] = s; - break; - - case 's': - if (token_present == 0) break; - case 'S': - if (token_present == 0) - { - SLang_verror (SL_TYPE_MISMATCH, "%s: Expecting string argument", cmd_name); - goto error; - } - - s = SLmake_nstring (buf, len); - if (s == NULL) goto error; - table->arg_type[argc] = SLANG_STRING_TYPE; - table->string_args[argc++] = s; - break; - - /* integer argument */ - case 'i': - if (token_present == 0) break; - case 'I': - if ((token_present == 0) || (SLANG_INT_TYPE != guess_type)) - { - SLang_verror (SL_TYPE_MISMATCH, "%s: Expecting integer argument", cmd_name); - goto error; - } - - table->arg_type[argc] = SLANG_INT_TYPE; - table->int_args[argc++] = SLatoi((unsigned char *) buf); - break; - - /* floating point arg */ -#if SLANG_HAS_FLOAT - case 'f': - if (token_present == 0) break; - case 'F': - if ((token_present == 0) || (SLANG_STRING_TYPE == guess_type)) - { - SLang_verror (SL_TYPE_MISMATCH, "%s: Expecting double argument", cmd_name); - goto error; - } - table->arg_type[argc] = SLANG_DOUBLE_TYPE; - table->double_args[argc++] = atof(buf); - break; -#endif - /* Generic type */ - case 'g': - if (token_present == 0) break; - case 'G': - if (token_present == 0) - { - SLang_verror (SL_TYPE_MISMATCH, "%s: Expecting argument", cmd_name); - goto error; - } - - switch (guess_type) - { - case SLANG_INT_TYPE: - table->arg_type[argc] = SLANG_INT_TYPE; - table->int_args[argc++] = SLatoi((unsigned char *) buf); - break; - - case SLANG_STRING_TYPE: - s = SLmake_nstring (buf, len); - if (s == NULL) goto error; - - table->arg_type[argc] = SLANG_STRING_TYPE; - table->string_args[argc++] = s; - break; -#if SLANG_HAS_FLOAT - case SLANG_DOUBLE_TYPE: - table->arg_type[argc] = SLANG_DOUBLE_TYPE; - table->double_args[argc++] = atof(buf); -#endif - } - break; - } - } - - /* call function */ - status = (*cmd->cmdfun)(argc, table); - - error: - if (table->string_args != NULL) for (i = 0; i < argc; i++) - { - if (NULL != table->string_args[i]) - { - SLfree (table->string_args[i]); - table->string_args[i] = NULL; - } - } - SLfree ((char *)table->string_args); table->string_args = NULL; - SLfree ((char *)table->double_args); table->double_args = NULL; - SLfree ((char *)table->int_args); table->int_args = NULL; - SLfree ((char *)table->arg_type); table->arg_type = NULL; - - SLfree (buf); - return status; -} - diff --git a/mdk-stage1/slang/slcmplex.c b/mdk-stage1/slang/slcmplex.c deleted file mode 100644 index b210dfc04..000000000 --- a/mdk-stage1/slang/slcmplex.c +++ /dev/null @@ -1,1142 +0,0 @@ -/* Complex Data Type definition for S-Lang */ -/* Copyright (c) 1997, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -/* The rest of the file is enclosed in this #if */ -#if SLANG_HAS_COMPLEX - -#if SLANG_HAS_FLOAT -# include <math.h> -#endif - -#ifdef PI -# undef PI -#endif -#define PI 3.14159265358979323846 - -int SLang_pop_complex (double *r, double *i) -{ - double *c; - - switch (SLang_peek_at_stack ()) - { - case SLANG_COMPLEX_TYPE: - if (-1 == SLclass_pop_ptr_obj (SLANG_COMPLEX_TYPE, (VOID_STAR *)&c)) - return -1; - *r = c[0]; - *i = c[1]; - SLfree ((char *) c); - break; - - default: - *i = 0.0; - if (-1 == SLang_pop_double (r, NULL, NULL)) - return -1; - break; - - case -1: - return -1; - } - return 0; -} - -int SLang_push_complex (double r, double i) -{ - double *c; - - c = (double *) SLmalloc (2 * sizeof (double)); - if (c == NULL) - return -1; - - c[0] = r; - c[1] = i; - - if (-1 == SLclass_push_ptr_obj (SLANG_COMPLEX_TYPE, (VOID_STAR) c)) - { - SLfree ((char *) c); - return -1; - } - return 0; -} - -double *SLcomplex_times (double *c, double *a, double *b) -{ - double a_real, b_real, a_imag, b_imag; - - a_real = a[0]; - b_real = b[0]; - a_imag = a[1]; - b_imag = b[1]; - - c[0] = a_real * b_real - a_imag * b_imag; - c[1] = a_imag * b_real + a_real * b_imag; - - return c; -} - -double *SLcomplex_divide (double *c, double *a, double *b) -{ - double a_real, b_real, a_imag, b_imag; - double ratio, invden; - - a_real = a[0]; - b_real = b[0]; - a_imag = a[1]; - b_imag = b[1]; - - /* Do it this way to avoid overflow in the denom */ - if (fabs(b_real) > fabs(b_imag)) - { - ratio = b_imag / b_real; - invden = 1.0 / (b_real + b_imag * ratio); - c[0] = (a_real + ratio * a_imag) * invden; - c[1] = (a_imag - a_real * ratio) * invden; - } - else - { - ratio = b_real / b_imag; - invden = 1.0 / (b_real * ratio + b_imag); - c[0] = (a_real * ratio + a_imag) * invden; - c[1] = (a_imag * ratio - a_real) * invden; - } - return c; -} - -/* a^b = exp (b log a); */ -double *SLcomplex_pow (double *c, double *a, double *b) -{ - return SLcomplex_exp (c, SLcomplex_times (c, b, SLcomplex_log (c, a))); -} - -static double *complex_dpow (double *c, double *a, double b) -{ - SLcomplex_log (c, a); - c[0] *= b; - c[1] *= b; - return SLcomplex_exp (c, c); -} - -static double *dcomplex_pow (double *c, double a, double *b) -{ - a = log (a); - c[0] = a * b[0]; - c[1] = a * b[1]; - return SLcomplex_exp (c, c); -} - -double SLcomplex_abs (double *z) -{ - return SLmath_hypot (z[0], z[1]); -} - -/* It appears that FORTRAN assumes that the branch cut for the log function - * is along the -x axis. So, use this for atan2: - */ -static double my_atan2 (double y, double x) -{ - double val; - - val = atan (y/x); - - if (x >= 0) - return val; /* I, IV */ - - if (y <= 0) /* III */ - return val - PI; - - return PI + val; /* II */ -} - -static void polar_form (double *r, double *theta, double *z) -{ - double x, y; - - *r = SLcomplex_abs (z); - - x = z[0]; - y = z[1]; - - if (x == 0.0) - { - if (y >= 0) - *theta = 0.5 * PI; - else - *theta = 1.5 * PI; - } - else *theta = my_atan2 (y, x); -} - -double *SLcomplex_sin (double *sinz, double *z) -{ - double x, y; - - x = z[0]; y = z[1]; - sinz[0] = sin (x) * cosh (y); - sinz[1] = cos (x) * sinh (y); - return sinz; -} - -double *SLcomplex_cos (double *cosz, double *z) -{ - double x, y; - - x = z[0]; y = z[1]; - cosz[0] = cos (x) * cosh (y); - cosz[1] = -sin (x) * sinh (y); - return cosz; -} - -double *SLcomplex_exp (double *expz, double *z) -{ - double r, i; - - r = exp (z[0]); - i = z[1]; - expz[0] = r * cos (i); - expz[1] = r * sin (i); - return expz; -} - -double *SLcomplex_log (double *logz, double *z) -{ - double r, theta; - - polar_form (&r, &theta, z); /* log R.e^(ix) = log R + ix */ - logz[0] = log(r); - logz[1] = theta; - return logz; -} - -double *SLcomplex_log10 (double *log10z, double *z) -{ - double l10 = log (10.0); - (void) SLcomplex_log (log10z, z); - log10z[0] = log10z[0] / l10; - log10z[1] = log10z[1] / l10; - return log10z; -} - -double *SLcomplex_sqrt (double *sqrtz, double *z) -{ - double r, x, y; - - x = z[0]; - y = z[1]; - - r = SLmath_hypot (x, y); - - if (r == 0.0) - { - sqrtz [0] = sqrtz [1] = 0.0; - return sqrtz; - } - - if (x >= 0.0) - { - x = sqrt (0.5 * (r + x)); - y = 0.5 * y / x; - } - else - { - r = sqrt (0.5 * (r - x)); - x = 0.5 * y / r; - y = r; - - if (x < 0.0) - { - x = -x; - y = -y; - } - } - - sqrtz[0] = x; - sqrtz[1] = y; - - return sqrtz; -} - -double *SLcomplex_tan (double *tanz, double *z) -{ - double x, y, invden; - - x = 2 * z[0]; - y = 2 * z[1]; - invden = 1.0 / (cos (x) + cosh (y)); - tanz[0] = invden * sin (x); - tanz[1] = invden * sinh (y); - return tanz; -} - -/* Utility Function */ -static void compute_alpha_beta (double *z, double *alpha, double *beta) -{ - double x, y, a, b; - - x = z[0]; - y = z[1]; - a = 0.5 * SLmath_hypot (x + 1, y); - b = 0.5 * SLmath_hypot (x - 1, y); - - *alpha = a + b; - *beta = a - b; -} - -double *SLcomplex_asin (double *asinz, double *z) -{ - double alpha, beta; - - compute_alpha_beta (z, &alpha, &beta); - asinz[0] = asin (beta); - asinz[1] = log (alpha + sqrt (alpha * alpha - 1)); - return asinz; -} - -double *SLcomplex_acos (double *acosz, double *z) -{ - double alpha, beta; - - compute_alpha_beta (z, &alpha, &beta); - acosz[0] = acos (beta); - acosz[1] = -log (alpha + sqrt (alpha * alpha - 1)); - return acosz; -} - -double *SLcomplex_atan (double *atanz, double *z) -{ - double x, y; - double z1[2], z2[2]; - - x = z[0]; y = z[1]; - z1[0] = x; - z1[1] = 1 + y; - z2[0] = -x; - z2[1] = 1 - y; - - SLcomplex_log (z1, SLcomplex_divide (z2, z1, z2)); - atanz[0] = -0.5 * z1[1]; - atanz[1] = 0.5 * z1[0]; - - return atanz; -} - -double *SLcomplex_sinh (double *sinhz, double *z) -{ - double x, y; - x = z[0]; y = z[1]; - sinhz[0] = sinh (x) * cos (y); - sinhz[1] = cosh (x) * sin (y); - return sinhz; -} - -double *SLcomplex_cosh (double *coshz, double *z) -{ - double x, y; - x = z[0]; y = z[1]; - coshz[0] = cosh (x) * cos (y); - coshz[1] = sinh (x) * sin (y); - return coshz; -} - -double *SLcomplex_tanh (double *tanhz, double *z) -{ - double x, y, invden; - x = 2 * z[0]; - y = 2 * z[1]; - invden = 1.0 / (cosh (x) + cos (y)); - tanhz[0] = invden * sinh (x); - tanhz[1] = invden * sin (y); - return tanhz; -} -#if 0 -static double *not_implemented (char *fun, double *p) -{ - SLang_verror (SL_NOT_IMPLEMENTED, "%s for complex numbers has not been implemented", - fun); - *p = -1.0; - return p; -} -#endif -/* Use: asinh(z) = -i asin(iz) */ -double *SLcomplex_asinh (double *asinhz, double *z) -{ - double iz[2]; - - iz[0] = -z[1]; - iz[1] = z[0]; - - (void) SLcomplex_asin (iz, iz); - asinhz[0] = iz[1]; - asinhz[1] = -iz[0]; - - return asinhz; -} - -/* Use: acosh (z) = i acos(z) */ -double *SLcomplex_acosh (double *acoshz, double *z) -{ - double iz[2]; - - (void) SLcomplex_acos (iz, z); - acoshz[0] = -iz[1]; - acoshz[1] = iz[0]; - - return acoshz; -} - -/* Use: atanh(z) = -i atan(iz) */ -double *SLcomplex_atanh (double *atanhz, double *z) -{ - double iz[2]; - - iz[0] = -z[1]; - iz[1] = z[0]; - - (void) SLcomplex_atan (iz, iz); - atanhz[0] = iz[1]; - atanhz[1] = -iz[0]; - - return atanhz; -} - -static int complex_binary_result (int op, unsigned char a, unsigned char b, - unsigned char *c) -{ - (void) a; (void) b; - - switch (op) - { - default: - case SLANG_POW: - case SLANG_PLUS: - case SLANG_MINUS: - case SLANG_TIMES: - case SLANG_DIVIDE: - *c = SLANG_COMPLEX_TYPE; - break; - - case SLANG_EQ: - case SLANG_NE: - *c = SLANG_CHAR_TYPE; - break; - } - return 1; -} - -static int complex_complex_binary (int op, - unsigned char a_type, VOID_STAR ap, unsigned int na, - unsigned char b_type, VOID_STAR bp, unsigned int nb, - VOID_STAR cp) -{ - char *ic; - double *a, *b, *c; - unsigned int n, n_max; - unsigned int da, db; - - (void) a_type; - (void) b_type; - - a = (double *) ap; - b = (double *) bp; - c = (double *) cp; - ic = (char *) cp; - - if (na == 1) da = 0; else da = 2; - if (nb == 1) db = 0; else db = 2; - - if (na > nb) n_max = na; else n_max = nb; - n_max = 2 * n_max; - - switch (op) - { - default: - return 0; - - case SLANG_PLUS: - for (n = 0; n < n_max; n += 2) - { - c[n] = a[0] + b[0]; - c[n + 1] = a[1] + b[1]; - a += da; b += db; - } - break; - - case SLANG_MINUS: - for (n = 0; n < n_max; n += 2) - { - c[n] = a[0] - b[0]; - c[n + 1] = a[1] - b[1]; - a += da; b += db; - } - break; - - case SLANG_TIMES: - for (n = 0; n < n_max; n += 2) - { - SLcomplex_times (c + n, a, b); - a += da; b += db; - } - break; - - case SLANG_DIVIDE: /* / */ - for (n = 0; n < n_max; n += 2) - { - if ((b[0] == 0.0) && (b[1] == 0.0)) - { - SLang_Error = SL_DIVIDE_ERROR; - return -1; - } - SLcomplex_divide (c + n, a, b); - a += da; b += db; - } - break; - - case SLANG_EQ: /* == */ - for (n = 0; n < n_max; n += 2) - { - ic[n/2] = ((a[0] == b[0]) && (a[1] == b[1])); - a += da; b += db; - } - break; - - case SLANG_NE: /* != */ - for (n = 0; n < n_max; n += 2) - { - ic[n/2] = ((a[0] != b[0]) || (a[1] != b[1])); - a += da; b += db; - } - break; - - case SLANG_POW: - for (n = 0; n < n_max; n += 2) - { - SLcomplex_pow (c + n, a, b); - a += da; b += db; - } - break; - - } - - return 1; -} - -static int complex_double_binary (int op, - unsigned char a_type, VOID_STAR ap, unsigned int na, - unsigned char b_type, VOID_STAR bp, unsigned int nb, - VOID_STAR cp) -{ - char *ic; - double *a, *b, *c; - unsigned int n, n_max; - unsigned int da, db; - - (void) a_type; - (void) b_type; - - a = (double *) ap; - b = (double *) bp; - c = (double *) cp; - ic = (char *) cp; - - if (na == 1) da = 0; else da = 2; - if (nb == 1) db = 0; else db = 1; - - if (na > nb) n_max = na; else n_max = nb; - n_max = 2 * n_max; - - switch (op) - { - default: - return 0; - - case SLANG_PLUS: - for (n = 0; n < n_max; n += 2) - { - c[n] = a[0] + b[0]; - c[n + 1] = a[1]; - a += da; b += db; - } - break; - - case SLANG_MINUS: - for (n = 0; n < n_max; n += 2) - { - c[n] = a[0] - b[0]; - c[n + 1] = a[1]; - a += da; b += db; - } - break; - - case SLANG_TIMES: - for (n = 0; n < n_max; n += 2) - { - double b0 = b[0]; - c[n] = a[0] * b0; - c[n + 1] = a[1] * b0; - a += da; b += db; - } - break; - - case SLANG_DIVIDE: /* / */ - for (n = 0; n < n_max; n += 2) - { - double b0 = b[0]; - if (b0 == 0.0) - { - SLang_Error = SL_DIVIDE_ERROR; - return -1; - } - c[n] = a[0] / b0; - c[n + 1] = a[1] / b0; - a += da; b += db; - } - break; - - case SLANG_EQ: /* == */ - for (n = 0; n < n_max; n += 2) - { - ic[n/2] = ((a[0] == b[0]) && (a[1] == 0.0)); - a += da; b += db; - } - break; - - case SLANG_NE: /* != */ - for (n = 0; n < n_max; n += 2) - { - ic[n/2] = ((a[0] != b[0]) || (a[1] != 0.0)); - a += da; b += db; - } - break; - - case SLANG_POW: - for (n = 0; n < n_max; n += 2) - { - complex_dpow (c + n, a, b[0]); - a += da; b += db; - } - break; - } - - return 1; -} - -static int double_complex_binary (int op, - unsigned char a_type, VOID_STAR ap, unsigned int na, - unsigned char b_type, VOID_STAR bp, unsigned int nb, - VOID_STAR cp) -{ - char *ic; - double *a, *b, *c; - unsigned int n, n_max; - unsigned int da, db; - - (void) a_type; - (void) b_type; - - a = (double *) ap; - b = (double *) bp; - c = (double *) cp; - ic = (char *) cp; - - if (na == 1) da = 0; else da = 1; - if (nb == 1) db = 0; else db = 2; - - if (na > nb) n_max = na; else n_max = nb; - n_max = 2 * n_max; - - switch (op) - { - default: - return 0; - - case SLANG_PLUS: - for (n = 0; n < n_max; n += 2) - { - c[n] = a[0] + b[0]; - c[n + 1] = b[1]; - a += da; b += db; - } - break; - - case SLANG_MINUS: - for (n = 0; n < n_max; n += 2) - { - c[n] = a[0] - b[0]; - c[n + 1] = -b[1]; - a += da; b += db; - } - break; - - case SLANG_TIMES: - for (n = 0; n < n_max; n += 2) - { - double a0 = a[0]; - c[n] = a0 * b[0]; - c[n + 1] = a0 * b[1]; - a += da; b += db; - } - break; - - case SLANG_DIVIDE: /* / */ - for (n = 0; n < n_max; n += 2) - { - double z[2]; - if ((b[0] == 0.0) && (b[1] == 0.0)) - { - SLang_Error = SL_DIVIDE_ERROR; - return -1; - } - z[0] = a[0]; - z[1] = 0.0; - SLcomplex_divide (c + n, z, b); - a += da; b += db; - } - break; - - case SLANG_EQ: /* == */ - for (n = 0; n < n_max; n += 2) - { - ic[n/2] = ((a[0] == b[0]) && (0.0 == b[1])); - a += da; b += db; - } - break; - - case SLANG_NE: /* != */ - for (n = 0; n < n_max; n += 2) - { - ic[n/2] = ((a[0] != b[0]) || (0.0 != b[1])); - a += da; b += db; - } - break; - - case SLANG_POW: - for (n = 0; n < n_max; n += 2) - { - dcomplex_pow (c + n, a[0], b); - a += da; b += db; - } - break; - } - - return 1; -} - -static int complex_generic_binary (int op, - unsigned char a_type, VOID_STAR ap, unsigned int na, - unsigned char b_type, VOID_STAR bp, unsigned int nb, - VOID_STAR cp) -{ - char *ic; - char *b; - double *a, *c; - unsigned int n, n_max; - unsigned int da, db; - unsigned int sizeof_b; - SLang_To_Double_Fun_Type to_double; - - if (NULL == (to_double = SLarith_get_to_double_fun (b_type, &sizeof_b))) - return 0; - - (void) a_type; - - a = (double *) ap; - b = (char *) bp; - c = (double *) cp; - ic = (char *) cp; - - if (na == 1) da = 0; else da = 2; - if (nb == 1) db = 0; else db = sizeof_b; - - if (na > nb) n_max = na; else n_max = nb; - n_max = 2 * n_max; - - switch (op) - { - default: - return 0; - - case SLANG_POW: - for (n = 0; n < n_max; n += 2) - { - complex_dpow (c + n, a, to_double((VOID_STAR)b)); - a += da; b += db; - } - break; - - case SLANG_PLUS: - for (n = 0; n < n_max; n += 2) - { - c[n] = a[0] + to_double((VOID_STAR)b); - c[n + 1] = a[1]; - a += da; b += db; - } - break; - - case SLANG_MINUS: - for (n = 0; n < n_max; n += 2) - { - c[n] = a[0] - to_double((VOID_STAR)b); - c[n + 1] = a[1]; - a += da; b += db; - } - break; - - case SLANG_TIMES: - for (n = 0; n < n_max; n += 2) - { - double b0 = to_double((VOID_STAR)b); - c[n] = a[0] * b0; - c[n + 1] = a[1] * b0; - a += da; b += db; - } - break; - - case SLANG_DIVIDE: /* / */ - for (n = 0; n < n_max; n += 2) - { - double b0 = to_double((VOID_STAR)b); - if (b0 == 0) - { - SLang_Error = SL_DIVIDE_ERROR; - return -1; - } - c[n] = a[0] / b0; - c[n + 1] = a[1] / b0; - a += da; b += db; - } - break; - - case SLANG_EQ: /* == */ - for (n = 0; n < n_max; n += 2) - { - ic[n/2] = ((a[0] == to_double((VOID_STAR)b)) && (a[1] == 0.0)); - a += da; b += db; - } - break; - - case SLANG_NE: /* != */ - for (n = 0; n < n_max; n += 2) - { - ic[n/2] = ((a[0] != to_double((VOID_STAR)b)) || (a[1] != 0.0)); - a += da; b += db; - } - break; - } - - return 1; -} - -static int generic_complex_binary (int op, - unsigned char a_type, VOID_STAR ap, unsigned int na, - unsigned char b_type, VOID_STAR bp, unsigned int nb, - VOID_STAR cp) -{ - double *b, *c; - char *a, *ic; - unsigned int n, n_max; - unsigned int da, db; - unsigned int sizeof_a; - SLang_To_Double_Fun_Type to_double; - - if (NULL == (to_double = SLarith_get_to_double_fun (a_type, &sizeof_a))) - return 0; - - (void) b_type; - - a = (char *) ap; - b = (double *) bp; - c = (double *) cp; - ic = (char *) cp; - - if (na == 1) da = 0; else da = sizeof_a; - if (nb == 1) db = 0; else db = 2; - - if (na > nb) n_max = na; else n_max = nb; - n_max = 2 * n_max; - - switch (op) - { - default: - return 0; - case SLANG_POW: - for (n = 0; n < n_max; n += 2) - { - dcomplex_pow (c + n, to_double((VOID_STAR)a), b); - a += da; b += db; - } - break; - - case SLANG_PLUS: - for (n = 0; n < n_max; n += 2) - { - c[n] = to_double((VOID_STAR)a) + b[0]; - c[n + 1] = b[1]; - a += da; b += db; - } - break; - - case SLANG_MINUS: - for (n = 0; n < n_max; n += 2) - { - c[n] = to_double((VOID_STAR)a) - b[0]; - c[n + 1] = -b[1]; - a += da; b += db; - } - break; - - case SLANG_TIMES: - for (n = 0; n < n_max; n += 2) - { - double a0 = to_double((VOID_STAR)a); - c[n] = a0 * b[0]; - c[n + 1] = a0 * b[1]; - a += da; b += db; - } - break; - - case SLANG_DIVIDE: /* / */ - for (n = 0; n < n_max; n += 2) - { - double z[2]; - if ((b[0] == 0.0) && (b[1] == 0.0)) - { - SLang_Error = SL_DIVIDE_ERROR; - return -1; - } - z[0] = to_double((VOID_STAR)a); - z[1] = 0.0; - SLcomplex_divide (c + n, z, b); - a += da; b += db; - } - break; - - case SLANG_EQ: /* == */ - for (n = 0; n < n_max; n += 2) - { - ic[n/2] = ((to_double((VOID_STAR)a) == b[0]) && (0.0 == b[1])); - a += da; b += db; - } - break; - - case SLANG_NE: /* != */ - for (n = 0; n < n_max; n += 2) - { - ic[n/2] = ((to_double((VOID_STAR)a) != b[0]) || (0.0 != b[1])); - a += da; b += db; - } - break; - } - - return 1; -} - -static int complex_unary_result (int op, unsigned char a, unsigned char *b) -{ - (void) a; - - switch (op) - { - default: - return 0; - - case SLANG_PLUSPLUS: - case SLANG_MINUSMINUS: - case SLANG_CHS: - case SLANG_MUL2: - *b = SLANG_COMPLEX_TYPE; - break; - - case SLANG_SQR: /* |Real|^2 + |Imag|^2 ==> double */ - case SLANG_ABS: /* |z| ==> double */ - *b = SLANG_DOUBLE_TYPE; - break; - - case SLANG_SIGN: - *b = SLANG_INT_TYPE; - break; - } - return 1; -} - -static int complex_unary (int op, - unsigned char a_type, VOID_STAR ap, unsigned int na, - VOID_STAR bp) -{ - unsigned int n; - double *a, *b; - int *ic; - - (void) a_type; - - a = (double *) ap; - b = (double *) bp; - ic = (int *) bp; - - na = 2 * na; - - switch (op) - { - default: - return 0; - - case SLANG_PLUSPLUS: - for (n = 0; n < na; n += 2) b[n] = (a[n] + 1); - break; - case SLANG_MINUSMINUS: - for (n = 0; n < na; n += 2) b[n] = (a[n] - 1); - break; - case SLANG_CHS: - for (n = 0; n < na; n += 2) - { - b[n] = -(a[n]); - b[n + 1] = -(a[n + 1]); - } - break; - case SLANG_SQR: /* |Real|^2 + |Imag|^2 ==> double */ - for (n = 0; n < na; n += 2) - b[n/2] = (a[n] * a[n] + a[n + 1] * a[n + 1]); - break; - - case SLANG_MUL2: - for (n = 0; n < na; n += 2) - { - b[n] = (2 * a[n]); - b[n + 1] = (2 * a[n + 1]); - } - break; - - case SLANG_ABS: /* |z| ==> double */ - for (n = 0; n < na; n += 2) - b[n/2] = SLcomplex_abs (a + n); - break; - - case SLANG_SIGN: - /* Another creative extension. Lets return an integer which indicates - * whether the complex number is in the upperhalf plane or not. - */ - for (n = 0; n < na; n += 2) - { - if (a[n + 1] < 0.0) ic[n/2] = -1; - else if (a[n + 1] > 0.0) ic[n/2] = 1; - else ic[n/2] = 0; - } - break; - } - - return 1; -} - -static int -complex_typecast (unsigned char from_type, VOID_STAR from, unsigned int num, - unsigned char to_type, VOID_STAR to) -{ - double *z; - double *d; - char *i; - unsigned int n; - unsigned int sizeof_i; - SLang_To_Double_Fun_Type to_double; - - (void) to_type; - - z = (double *) to; - - switch (from_type) - { - default: - if (NULL == (to_double = SLarith_get_to_double_fun (from_type, &sizeof_i))) - return 0; - i = (char *) from; - for (n = 0; n < num; n++) - { - *z++ = to_double ((VOID_STAR) i); - *z++ = 0.0; - - i += sizeof_i; - } - break; - - case SLANG_DOUBLE_TYPE: - d = (double *) from; - for (n = 0; n < num; n++) - { - *z++ = d[n]; - *z++ = 0.0; - } - break; - } - - return 1; -} - -static void complex_destroy (unsigned char type, VOID_STAR ptr) -{ - (void) type; - SLfree ((char *)*(double **) ptr); -} - -static int complex_push (unsigned char type, VOID_STAR ptr) -{ - double *z; - - (void) type; - z = *(double **) ptr; - return SLang_push_complex (z[0], z[1]); -} - -static int complex_pop (unsigned char type, VOID_STAR ptr) -{ - double *z; - - (void) type; - z = *(double **) ptr; - return SLang_pop_complex (&z[0], &z[1]); -} - -int _SLinit_slcomplex (void) -{ - SLang_Class_Type *cl; - unsigned char *types; - - if (NULL == (cl = SLclass_allocate_class ("Complex_Type"))) - return -1; - - (void) SLclass_set_destroy_function (cl, complex_destroy); - (void) SLclass_set_push_function (cl, complex_push); - (void) SLclass_set_pop_function (cl, complex_pop); - - if (-1 == SLclass_register_class (cl, SLANG_COMPLEX_TYPE, 2 * sizeof (double), - SLANG_CLASS_TYPE_VECTOR)) - return -1; - - types = _SLarith_Arith_Types; - while (*types != SLANG_DOUBLE_TYPE) - { - unsigned char t = *types++; - - if ((-1 == SLclass_add_binary_op (t, SLANG_COMPLEX_TYPE, generic_complex_binary, complex_binary_result)) - || (-1 == SLclass_add_binary_op (SLANG_COMPLEX_TYPE, t, complex_generic_binary, complex_binary_result)) - || (-1 == (SLclass_add_typecast (t, SLANG_COMPLEX_TYPE, complex_typecast, 1)))) - return -1; - } - - if ((-1 == (SLclass_add_binary_op (SLANG_COMPLEX_TYPE, SLANG_COMPLEX_TYPE, complex_complex_binary, complex_binary_result))) - || (-1 == (SLclass_add_binary_op (SLANG_COMPLEX_TYPE, SLANG_DOUBLE_TYPE, complex_double_binary, complex_binary_result))) - || (-1 == (SLclass_add_binary_op (SLANG_DOUBLE_TYPE, SLANG_COMPLEX_TYPE, double_complex_binary, complex_binary_result))) - || (-1 == (SLclass_add_unary_op (SLANG_COMPLEX_TYPE, complex_unary, complex_unary_result))) - || (-1 == (SLclass_add_typecast (SLANG_DOUBLE_TYPE, SLANG_COMPLEX_TYPE, complex_typecast, 1)))) - return -1; - - return 0; -} - -#endif /* if SLANG_HAS_COMPLEX */ - diff --git a/mdk-stage1/slang/slcompat.c b/mdk-stage1/slang/slcompat.c deleted file mode 100644 index 5aa122483..000000000 --- a/mdk-stage1/slang/slcompat.c +++ /dev/null @@ -1,34 +0,0 @@ -/* These functions are provided for backward compatibility and are obsolete. - * Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -/* Compatibility */ -int SLang_init_slunix (void) -{ - if ((-1 == SLang_init_posix_dir ()) - || (-1 == SLang_init_posix_process ()) - || (-1 == SLdefine_for_ifdef ("__SLUNIX__"))) - return -1; - - return 0; -} - -int SLang_init_slfile (void) -{ - if ((-1 == SLang_init_stdio ()) - || (-1 == SLang_init_posix_dir ()) - || (-1 == SLdefine_for_ifdef("__SLFILE__"))) - return -1; - - return 0; -} - diff --git a/mdk-stage1/slang/slcurses.c b/mdk-stage1/slang/slcurses.c deleted file mode 100644 index f1212afc8..000000000 --- a/mdk-stage1/slang/slcurses.c +++ /dev/null @@ -1,972 +0,0 @@ -/* Copyright (c) 1998, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ -#include "slinclud.h" - -#include <signal.h> -#include <errno.h> - -#include "slang.h" -#include "_slang.h" -#include "slcurses.h" - -/* This file is meant to implement a primitive curses implementation in - * terms of SLsmg calls. The fact is that the interfaces are sufficiently - * different that a 100% emulation is not possible. - */ - -SLcurses_Window_Type *SLcurses_Stdscr; -int SLcurses_Esc_Delay = 150; /* 0.15 seconds */ -SLtt_Char_Type SLcurses_Acs_Map [128]; -int SLcurses_Is_Endwin = 1; -int SLcurses_Num_Colors = 8; - -static void blank_line (SLsmg_Char_Type *b, unsigned int len, SLsmg_Char_Type color) -{ - SLsmg_Char_Type *bmax; - - bmax = b + len; - color = SLSMG_BUILD_CHAR(' ', color); - - while (b < bmax) *b++ = color; -} - -static int va_mvprintw (SLcurses_Window_Type *w, int r, int c, int do_move, - char *fmt, va_list ap) -{ - char buf[1024]; - - if (do_move) SLcurses_wmove (w, r, c); - - (void) _SLvsnprintf (buf, sizeof(buf), fmt, ap); - - SLcurses_waddnstr (w, buf, -1); - return 0; -} - -int SLcurses_mvprintw (int r, int c, char *fmt, ...) -{ - va_list ap; - - va_start(ap, fmt); - va_mvprintw (SLcurses_Stdscr, r, c, 1, fmt, ap); - va_end(ap); - - return 0; -} - -int SLcurses_mvwprintw (SLcurses_Window_Type *w, int r, int c, char *fmt, ...) -{ - va_list ap; - - va_start(ap, fmt); - va_mvprintw (w, r, c, 1, fmt, ap); - va_end(ap); - - return 0; -} - -int SLcurses_wprintw (SLcurses_Window_Type *w, char *fmt, ...) -{ - va_list ap; - - va_start(ap, fmt); - va_mvprintw (w, 0, 0, 0, fmt, ap); - va_end(ap); - - return 0; -} - -int SLcurses_printw (char *fmt, ...) -{ - va_list ap; - - va_start(ap, fmt); - va_mvprintw (SLcurses_Stdscr, 0, 0, 0, fmt, ap); - va_end(ap); - - return 0; -} - -int SLcurses_nil (void) -{ - return 0; -} - -int SLcurses_has_colors(void) -{ - return SLtt_Use_Ansi_Colors; -} - -int SLcurses_nodelay (SLcurses_Window_Type *w, int onoff) -{ - w->delay_off = (onoff ? 0 : -1); - return 0; -} - -int SLcurses_wgetch (SLcurses_Window_Type *w) -{ - if (w == NULL) - return ERR; - - SLcurses_wrefresh (w); - - if ((w->delay_off == -1) || - SLang_input_pending (w->delay_off)) - { - if (w->use_keypad) - { - int ch = SLang_getkey (); - if (ch == '\033') - { - if (0 == SLang_input_pending (ESCDELAY / 100)) - return ch; - } - else if (ch == 0xFFFF) return ERR; - SLang_ungetkey (ch); - return SLkp_getkey (); - } - return SLang_getkey (); - } - - return ERR; -} - -int SLcurses_getch (void) -{ - return SLcurses_wgetch (SLcurses_Stdscr); -} - -/* This is a super hack. That fact is that SLsmg and curses - * are incompatible. - */ -static unsigned char Color_Objects[256]; - -static unsigned int map_attr_to_object (SLtt_Char_Type attr) -{ - unsigned int obj; - SLtt_Char_Type at; - - obj = (attr >> 8) & 0xFF; - - if (SLtt_Use_Ansi_Colors) - { - if (Color_Objects[obj] != 0) return obj; - - at = SLtt_get_color_object (obj & 0xF); - - if (attr & A_BOLD) at |= SLTT_BOLD_MASK; - if (attr & A_UNDERLINE) at |= SLTT_ULINE_MASK; - if (attr & A_REVERSE) at |= SLTT_REV_MASK; - - SLtt_set_color_object (obj, at); - - Color_Objects[obj] = 1; - } - else obj = obj & 0xF0; - - return obj; - -} - -int SLcurses_start_color (void) -{ - int f, b; - int obj; - - if (SLtt_Use_Ansi_Colors == 0) return -1; - - obj = 0; - for (f = 0; f < 16; f++) - { - for (b = 0; b < 16; b++) - { - obj++; - SLtt_set_color_fgbg (obj, f, b); - } - } - return 0; -} - -#ifdef SIGINT -static void sigint_handler (int sig) -{ - SLang_reset_tty (); - SLsmg_reset_smg (); - exit (sig); -} -#endif - -/* Values are assumed to be 0, 1, 2. This fact is exploited */ -static int TTY_State; - -static int init_tty (int suspend_ok) -{ - if (-1 == SLang_init_tty (-1, 1, 0)) - return -1; - -#ifdef REAL_UNIX_SYSTEM - if (suspend_ok) SLtty_set_suspend_state (1); -#endif - return 0; -} - -int SLcurses_raw (void) -{ - TTY_State = 1; - return init_tty (0); -} - -int SLcurses_cbreak (void) -{ - TTY_State = 2; - return init_tty (1); -} - -#if defined(SIGTSTP) && defined(SIGSTOP) -static void sigtstp_handler (int sig) -{ - sig = errno; - - SLsmg_suspend_smg (); - - if (TTY_State) - SLang_reset_tty (); - - kill(getpid(),SIGSTOP); - - SLsmg_resume_smg (); - - if (TTY_State) init_tty (TTY_State - 1); - - signal (SIGTSTP, sigtstp_handler); - errno = sig; -} -#endif - -SLcurses_Window_Type *SLcurses_initscr (void) -{ - SLcurses_Is_Endwin = 0; - SLsmg_Newline_Behavior = SLSMG_NEWLINE_MOVES; - SLtt_get_terminfo (); - -#if !defined(IBMPC_SYSTEM) && !defined(VMS) - if (-1 == (SLcurses_Num_Colors = SLtt_tgetnum ("Co"))) -#endif - SLcurses_Num_Colors = 8; - - if ((-1 == SLkp_init ()) - || (-1 == SLcurses_cbreak ()) - || (NULL == (SLcurses_Stdscr = SLcurses_newwin (0, 0, 0, 0))) - || (-1 == SLsmg_init_smg ())) - { - SLang_doerror (NULL); - SLang_exit_error ("SLcurses_initscr: init failed\n"); - return NULL; - } - -#ifdef SIGINT - signal (SIGINT, sigint_handler); -#endif - -#if defined(SIGTSTP) && defined(SIGSTOP) - signal (SIGTSTP, sigtstp_handler); -#endif - - SLtt_set_mono (A_BOLD >> 8, NULL, SLTT_BOLD_MASK); - SLtt_set_mono (A_UNDERLINE >> 8, NULL, SLTT_ULINE_MASK); - SLtt_set_mono (A_REVERSE >> 8, NULL, SLTT_REV_MASK); - /* SLtt_set_mono (A_BLINK >> 8, NULL, SLTT_BLINK_MASK); */ - SLtt_set_mono ((A_BOLD|A_UNDERLINE) >> 8, NULL, SLTT_ULINE_MASK|SLTT_BOLD_MASK); - SLtt_set_mono ((A_REVERSE|A_UNDERLINE) >> 8, NULL, SLTT_ULINE_MASK|SLTT_REV_MASK); - - if (SLtt_Has_Alt_Charset) - { - SLcurses_Acs_Map[SLSMG_ULCORN_CHAR] = SLSMG_ULCORN_CHAR | A_ALTCHARSET; - SLcurses_Acs_Map[SLSMG_URCORN_CHAR] = SLSMG_URCORN_CHAR | A_ALTCHARSET; - SLcurses_Acs_Map[SLSMG_LLCORN_CHAR] = SLSMG_LLCORN_CHAR | A_ALTCHARSET; - SLcurses_Acs_Map[SLSMG_LRCORN_CHAR] = SLSMG_LRCORN_CHAR | A_ALTCHARSET; - SLcurses_Acs_Map[SLSMG_UTEE_CHAR] = SLSMG_UTEE_CHAR | A_ALTCHARSET; - SLcurses_Acs_Map[SLSMG_DTEE_CHAR] = SLSMG_DTEE_CHAR | A_ALTCHARSET; - SLcurses_Acs_Map[SLSMG_LTEE_CHAR] = SLSMG_LTEE_CHAR | A_ALTCHARSET; - SLcurses_Acs_Map[SLSMG_RTEE_CHAR] = SLSMG_RTEE_CHAR | A_ALTCHARSET; - SLcurses_Acs_Map[SLSMG_VLINE_CHAR] = SLSMG_VLINE_CHAR | A_ALTCHARSET; - SLcurses_Acs_Map[SLSMG_HLINE_CHAR] = SLSMG_HLINE_CHAR | A_ALTCHARSET; - SLcurses_Acs_Map[SLSMG_PLUS_CHAR] = SLSMG_PLUS_CHAR | A_ALTCHARSET; - SLcurses_Acs_Map[SLSMG_CKBRD_CHAR] = SLSMG_CKBRD_CHAR | A_ALTCHARSET; - } - else - { - /* ugly defaults to use on terminals which don't support graphics */ - SLcurses_Acs_Map[SLSMG_ULCORN_CHAR] = '+'; - SLcurses_Acs_Map[SLSMG_URCORN_CHAR] = '+'; - SLcurses_Acs_Map[SLSMG_LLCORN_CHAR] = '+'; - SLcurses_Acs_Map[SLSMG_LRCORN_CHAR] = '+'; - SLcurses_Acs_Map[SLSMG_UTEE_CHAR] = '+'; - SLcurses_Acs_Map[SLSMG_DTEE_CHAR] = '+'; - SLcurses_Acs_Map[SLSMG_LTEE_CHAR] = '+'; - SLcurses_Acs_Map[SLSMG_RTEE_CHAR] = '+'; - SLcurses_Acs_Map[SLSMG_VLINE_CHAR] = '|'; - SLcurses_Acs_Map[SLSMG_HLINE_CHAR] = '-'; - SLcurses_Acs_Map[SLSMG_PLUS_CHAR] = '+'; - SLcurses_Acs_Map[SLSMG_CKBRD_CHAR] = '#'; - } - - return SLcurses_Stdscr; -} - -int SLcurses_wattrset (SLcurses_Window_Type *w, SLtt_Char_Type ch) -{ - unsigned int obj; - - obj = map_attr_to_object (ch); - w->color = obj; - w->attr = ch; - return 0; -} - -int SLcurses_wattroff (SLcurses_Window_Type *w, SLtt_Char_Type ch) -{ - if (SLtt_Use_Ansi_Colors) - return SLcurses_wattrset (w, 0); - - w->attr &= ~ch; - return SLcurses_wattrset (w, w->attr); -} - -int SLcurses_wattron (SLcurses_Window_Type *w, SLtt_Char_Type ch) -{ - if (SLtt_Use_Ansi_Colors) - return SLcurses_wattrset (w, ch); - - w->attr |= ch; - return SLcurses_wattrset (w, w->attr); -} - -int SLcurses_delwin (SLcurses_Window_Type *w) -{ - if (w == NULL) return 0; - if (w->lines != NULL) - { - SLsmg_Char_Type **lines = w->lines; - if (w->is_subwin == 0) - { - unsigned int r, rmax; - - rmax = w->nrows; - for (r = 0; r < rmax; r++) - { - SLfree ((char *)lines[r]); - } - } - - SLfree ((char *)lines); - } - - SLfree ((char *)w); - if (w == SLcurses_Stdscr) - SLcurses_Stdscr = NULL; - return 0; -} - -SLcurses_Window_Type *SLcurses_newwin (unsigned int nrows, unsigned int ncols, - unsigned int r, unsigned int c) -{ - SLcurses_Window_Type *win; - SLsmg_Char_Type **lines; - - if (r >= (unsigned int) SLtt_Screen_Rows) - return NULL; - if (c >= (unsigned int) SLtt_Screen_Cols) - return NULL; - - if (NULL == (win = (SLcurses_Window_Type *) SLmalloc (sizeof (SLcurses_Window_Type)))) - return NULL; - - SLMEMSET ((char *) win, 0, sizeof (SLcurses_Window_Type)); - - if (nrows == 0) - nrows = (unsigned int) SLtt_Screen_Rows - r; - if (ncols == 0) - ncols = (unsigned int) SLtt_Screen_Cols - c; - - lines = (SLsmg_Char_Type **) SLmalloc (nrows * sizeof (SLsmg_Char_Type *)); - if (lines == NULL) - { - SLcurses_delwin (win); - return NULL; - } - - SLMEMSET ((char *) lines, 0, nrows * sizeof (SLsmg_Char_Type *)); - - win->lines = lines; - win->scroll_max = win->nrows = nrows; - win->ncols = ncols; - win->_begy = r; - win->_begx = c; - win->_maxx = (c + ncols) - 1; - win->_maxy = (r + nrows) - 1; - win->modified = 1; - win->delay_off = -1; - - for (r = 0; r < nrows; r++) - { - SLsmg_Char_Type *b; - - b = (SLsmg_Char_Type *) SLmalloc (ncols * sizeof (SLsmg_Char_Type)); - if (b == NULL) - { - SLcurses_delwin (win); - return NULL; - } - lines [r] = b; - blank_line (b, ncols, 0); - } - - return win; -} - -int SLcurses_wmove (SLcurses_Window_Type *win, unsigned int r, unsigned int c) -{ - if (win == NULL) return -1; - win->_cury = r; - win->_curx = c; - win->modified = 1; - return 0; -} - -static int do_newline (SLcurses_Window_Type *w) -{ - w->_curx = 0; - w->_cury += 1; - if (w->_cury >= w->scroll_max) - { - w->_cury = w->scroll_max - 1; - if (w->scroll_ok) - SLcurses_wscrl (w, 1); - } - - return 0; -} - -int SLcurses_waddch (SLcurses_Window_Type *win, SLtt_Char_Type attr) -{ - SLsmg_Char_Type *b, ch; - SLsmg_Char_Type color; - - if (win == NULL) return -1; - - if (win->_cury >= win->nrows) - { - /* Curses seems to move current postion to top of window. */ - win->_cury = win->_curx = 0; - return -1; - } - - win->modified = 1; - - ch = SLSMG_EXTRACT_CHAR(attr); - - if (attr == ch) - color = win->color; - else - { - /* hack to pick up the default color for graphics chars */ - if (((attr & A_COLOR) == 0) && ((attr & A_ALTCHARSET) != 0)) - { - /* FIXME: priority=medium: Use SLSMG_?? instead of << */ - attr |= win->color << 8; - } - color = map_attr_to_object (attr); - } - - if (ch < ' ') - { - if (ch == '\n') - { - SLcurses_wclrtoeol (win); - return do_newline (win); - } - - if (ch == '\r') - { - win->_curx = 0; - return 0; - } - - if (ch == '\b') - { - if (win->_curx > 0) - win->_curx--; - - return 0; - } - - /* HACK HACK!!!! */ - if (ch == '\t') ch = ' '; - } - - if (win->_curx >= win->ncols) - do_newline (win); - - b = win->lines[win->_cury] + win->_curx; - *b = SLSMG_BUILD_CHAR(ch,color); - win->_curx++; - - return 0; -} - -int SLcurses_wnoutrefresh (SLcurses_Window_Type *w) -{ - unsigned int len; - unsigned int r, c; - unsigned int i, imax; - - if (SLcurses_Is_Endwin) - { - if (TTY_State) init_tty (TTY_State - 1); - SLsmg_resume_smg (); - SLcurses_Is_Endwin = 0; - } - - if (w == NULL) - { - SLsmg_refresh (); - return -1; - } - - if (w->modified == 0) - return 0; - - r = w->_begy; - c = w->_begx; - - len = w->ncols; - imax = w->nrows; - - for (i = 0; i < imax; i++) - { - SLsmg_gotorc (r, c); - SLsmg_write_color_chars (w->lines[i], len); - r++; - } - - if (w->has_box) - SLsmg_draw_box(w->_begy, w->_begx, w->nrows, w->ncols); - - SLsmg_gotorc (w->_begy + w->_cury, w->_begx + w->_curx); - w->modified = 0; - return 0; -} - -int SLcurses_wrefresh (SLcurses_Window_Type *w) -{ - if (w == NULL) - return -1; - - if (w->modified == 0) - return 0; - - SLcurses_wnoutrefresh (w); - SLsmg_refresh (); - return 0; -} - -int SLcurses_wclrtoeol (SLcurses_Window_Type *w) -{ - SLsmg_Char_Type *b, *bmax; - SLsmg_Char_Type blank; - - if (w == NULL) return -1; - if (w->_cury >= w->nrows) - return 0; - - w->modified = 1; - - blank = SLSMG_BUILD_CHAR(' ',w->color); - - b = w->lines[w->_cury]; - bmax = b + w->ncols; - b += w->_curx; - - while (b < bmax) *b++ = blank; - return 0; -} - -int SLcurses_wclrtobot (SLcurses_Window_Type *w) -{ - SLsmg_Char_Type *b, *bmax; - SLsmg_Char_Type blank; - unsigned int r; - - if (w == NULL) return -1; - - w->modified = 1; - blank = SLSMG_BUILD_CHAR(' ',w->color); - SLcurses_wclrtoeol (w); - for (r = w->_cury + 1; r < w->nrows; r++) - { - b = w->lines [r]; - bmax = b + w->ncols; - - while (b < bmax) *b++ = blank; - } - - return 0; -} - -int SLcurses_wscrl (SLcurses_Window_Type *w, int n) -{ - SLsmg_Char_Type **lines; - unsigned int r, rmax, rmin, ncols; - SLsmg_Char_Type color; - - if ((w == NULL) || (w->scroll_ok == 0)) - return -1; - - w->modified = 1; -#if 0 - if (w->is_subwin) - { - SLang_reset_tty (); - SLsmg_reset_smg (); - fprintf (stderr, "\rAttempt to scroll a subwindow\n"); - exit (1); - } -#endif - - color = w->color; - ncols = w->ncols; - lines = w->lines; - rmax = w->scroll_max; - rmin = w->scroll_min; - if (rmax > w->nrows) - rmax = w->nrows; - if (rmin >= rmax) - return 0; - - while (n > 0) - { - for (r = rmin + 1; r < rmax; r++) - { - /* lines[r - 1] = lines[r]; */ - memcpy ((char *)lines[r - 1], (char *)lines[r], - sizeof (SLsmg_Char_Type) * ncols); - } - blank_line (lines[rmax - 1], ncols, color); - n--; - } - - rmax--; - while (n < 0) - { - for (r = rmax; r > rmin; r--) - { - memcpy ((char *)lines[r], (char *)lines[r - 1], - sizeof (SLsmg_Char_Type) * ncols); - } - blank_line (lines[rmin], ncols, color); - n++; - } - - /* wmove (w, w->nrows - 1, 0); */ - /* wclrtobot (w); */ - return 0; -} - -/* Note: if len is < 0, entire string will be used. - */ -int SLcurses_waddnstr (SLcurses_Window_Type *w, char *str, int len) -{ - SLsmg_Char_Type *b; - SLsmg_Char_Type color; - unsigned char ch; - unsigned int nrows, ncols, crow, ccol; - - if ((w == NULL) - || (str == NULL)) - return -1; - - w->modified = 1; - nrows = w->nrows; - ncols = w->ncols; - crow = w->_cury; - ccol = w->_curx; - color = w->color; - - if (w->scroll_max <= nrows) - nrows = w->scroll_max; - - if (crow >= nrows) - crow = 0; /* wrap back to top */ - - b = w->lines [crow] + ccol; - - while (len && ((ch = (unsigned char) *str++) != 0)) - { - len--; - - if (ch == '\n') - { - w->_cury = crow; - w->_curx = ccol; - SLcurses_wclrtoeol (w); - do_newline (w); - crow = w->_cury; - ccol = w->_curx; - b = w->lines[crow]; - continue; - } - - if (ccol >= ncols) - { - ccol = 0; - crow++; - if (crow >= nrows) - { - w->_curx = 0; - w->_cury = crow; - do_newline (w); - crow = w->_cury; - ccol = w->_curx; - } - - b = w->lines [crow]; - } - - if (ch == '\t') - { - unsigned int n = ccol; - n += SLsmg_Tab_Width; - n = SLsmg_Tab_Width - (n % SLsmg_Tab_Width); - if (ccol + n > ncols) n = ncols - len; - ccol += n; - while (n--) - *b++ = SLSMG_BUILD_CHAR(' ',color); - continue; - } - - *b++ = SLSMG_BUILD_CHAR(ch, color); - ccol++; - } - - w->_curx = ccol; - w->_cury = crow; - - return 0; -} - -/* This routine IS NOT CORRECT. It needs to compute the proper overlap - * and copy accordingly. Here, I just assume windows are same size. - */ -#if 0 -int SLcurses_overlay (SLcurses_Window_Type *swin, SLcurses_Window_Type *dwin) -{ - SLsmg_Char_Type *s, *smax, *d, *dmax; - - if ((swin == NULL) || (dwin == NULL)) - return -1; - - s = swin->buf; - smax = swin->bufmax; - d = dwin->buf; - dmax = dwin->bufmax; - - while ((s < smax) && (d < dmax)) - { - SLsmg_Char_Type ch = *s++; - if (SLSMG_EXTRACT_CHAR(ch) != ' ') - *d = ch; - d++; - } - - return -1; /* not implemented */ -} - -#endif - -SLcurses_Window_Type *SLcurses_subwin (SLcurses_Window_Type *orig, - unsigned int nlines, unsigned int ncols, - unsigned int begin_y, unsigned int begin_x) -{ - SLcurses_Window_Type *sw; - int r, c; - unsigned int i; - - if (orig == NULL) - return NULL; - - sw = (SLcurses_Window_Type *) SLmalloc (sizeof (SLcurses_Window_Type)); - if (sw == NULL) - return NULL; - - SLMEMSET ((char *)sw, 0, sizeof (SLcurses_Window_Type)); -#if 1 - r = begin_y - orig->_begy; -#else - r = 1 + ((int)orig->nrows - (int)nlines) / 2; -#endif - if (r < 0) r = 0; - if (r + nlines > orig->nrows) nlines = orig->nrows - r; - - c = ((int)orig->ncols - (int)ncols) / 2; - if (c < 0) c = 0; - if (c + ncols > orig->ncols) ncols = orig->ncols - c; - - sw->scroll_min = 0; - sw->scroll_max = sw->nrows = nlines; - sw->ncols = ncols; - sw->_begy = begin_y; - sw->_begx = begin_x; - sw->_maxx = (begin_x + ncols) - 1; - sw->_maxy = (begin_y + nlines) - 1; - - sw->lines = (SLsmg_Char_Type **) SLmalloc (nlines * sizeof (SLsmg_Char_Type *)); - if (sw->lines == NULL) - { - SLcurses_delwin (sw); - return NULL; - } - - for (i = 0; i < nlines; i++) - { - sw->lines [i] = orig->lines [r + i] + c; - } - - sw->is_subwin = 1; - return sw; -} - -int SLcurses_wclear (SLcurses_Window_Type *w) -{ - unsigned int i; - - if (w != NULL) w->modified = 1; - for (i=0; i < w->nrows; i++) - blank_line (w->lines[i], w->ncols, w->color); - return 0; -} - -int SLcurses_wdelch (SLcurses_Window_Type *w) -{ - SLsmg_Char_Type *p, *p1, *pmax; - - p = w->lines[w->_cury]; - pmax = p + w->ncols; - p += w->_curx; - p1 = p + 1; - - while (p1 < pmax) - { - *p = *p1; - p = p1; - p1++; - } - - if (p < pmax) - *p = SLSMG_BUILD_CHAR(' ',w->color); - - w->modified = 1; - return 0; -} - -int SLcurses_winsch (SLcurses_Window_Type *w, int ch) -{ - SLsmg_Char_Type *p, *p1, *pmax; - - p = w->lines[w->_cury]; - pmax = p + w->ncols; - p += w->_curx; - p1 = pmax - 1; - - while (pmax > p) - { - *pmax = *p1; - pmax = p1; - p1--; - } - - if (p < pmax) - *p = SLSMG_BUILD_CHAR(ch, w->color); - - w->modified = 1; - return 0; -} - -int SLcurses_endwin (void) -{ - SLcurses_Is_Endwin = 1; - SLsmg_suspend_smg (); - SLang_reset_tty (); - return 0; -} - -#if 0 -int SLcurses_mvwscanw (SLcurses_Window_Type *w, unsigned int r, unsigned int c, - char *fmt, ...) -{ -#if HAVE_VFSCANF - int ret; - va_list ap; - - SLcurses_wmove (w, r, c); - SLcurses_wrefresh (w); - - va_start(ap, fmt); - ret = vfscanf (stdin, fmt, ap); - va_end(ap); - return ret; -#else - return 0; -#endif -} - -int SLcurses_wscanw (SLcurses_Window_Type *w, char *fmt, ...) -{ -#if HAVE_VFSCANF - va_list ap; - int ret; - - SLcurses_wrefresh (w); - - va_start(ap, fmt); - ret = vfscanf (stdin, fmt, ap); - va_end(ap); - - return ret; -#else - return 0; -#endif -} - -int SLcurses_scanw (char *fmt, ...) -{ -#ifdef HAVE_VFSCANF - va_list ap; - int ret; - - SLcurses_wrefresh (SLcurses_Stdscr); - - va_start(ap, fmt); - ret = vfscanf (stdin, fmt, ap); - va_end(ap); - - return ret; -#else - return 0; -#endif -} -#endif - -int SLcurses_clearok (SLcurses_Window_Type *w, int bf) -{ - if (bf) - { - SLsmg_cls (); - w->modified = 1; - } - return 0; -} diff --git a/mdk-stage1/slang/slcurses.h b/mdk-stage1/slang/slcurses.h deleted file mode 100644 index fa082304f..000000000 --- a/mdk-stage1/slang/slcurses.h +++ /dev/null @@ -1,353 +0,0 @@ -/* Copyright (c) 1998, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ -#include <stdio.h> - -#ifndef SLANG_VERSION -# include <slang.h> -#endif - -/* This is a temporary hack until lynx is fixed to not include this file. */ -#ifndef LYCURSES_H - -typedef struct -{ - unsigned int _begy, _begx, _maxy, _maxx; - unsigned int _curx, _cury; - unsigned int nrows, ncols; - unsigned int scroll_min, scroll_max; - SLsmg_Char_Type **lines; - SLsmg_Char_Type color; - int is_subwin; - SLtt_Char_Type attr; - int delay_off; - int scroll_ok; - int modified; - int has_box; - int use_keypad; -} -SLcurses_Window_Type; - -extern int SLcurses_wclrtobot (SLcurses_Window_Type *); -extern int SLcurses_wscrl (SLcurses_Window_Type *, int); -extern int SLcurses_wrefresh (SLcurses_Window_Type *); -extern int SLcurses_delwin (SLcurses_Window_Type *); -extern int SLcurses_wprintw (SLcurses_Window_Type *, char *, ...); -extern SLcurses_Window_Type *SLcurses_newwin (unsigned int, unsigned int, - unsigned int, unsigned int); - -extern SLcurses_Window_Type *SLcurses_subwin (SLcurses_Window_Type *, - unsigned int, unsigned int, - unsigned int, unsigned int); - -extern int SLcurses_wnoutrefresh (SLcurses_Window_Type *); -extern int SLcurses_wclrtoeol (SLcurses_Window_Type *); - -extern int SLcurses_wmove (SLcurses_Window_Type *, unsigned int, unsigned int); -extern int SLcurses_waddch (SLcurses_Window_Type *, SLtt_Char_Type); -extern int SLcurses_waddnstr (SLcurses_Window_Type *, char *, int); - -#define waddnstr SLcurses_waddnstr -#define waddch SLcurses_waddch -#define waddstr(w,s) waddnstr((w),(s),-1) -#define addstr(x) waddstr(stdscr, (x)) -#define addnstr(s,n) waddnstr(stdscr,(s),(n)) -#define addch(ch) waddch(stdscr,(ch)) - -#define mvwaddnstr(w,y,x,s,n) \ - (-1 == wmove((w),(y),(x)) ? -1 : waddnstr((w),(s),(n))) -#define mvwaddstr(w,y,x,s) \ - (-1 == wmove((w),(y),(x)) ? -1 : waddnstr((w),(s), -1)) -#define mvaddnstr(y,x,s,n) mvwaddnstr(stdscr,(y),(x),(s),(n)) -#define mvaddstr(y,x,s) mvwaddstr(stdscr,(y),(x),(s)) -#define mvwaddch(w,y,x,c) \ - ((-1 == wmove((w),(y),(x))) ? -1 : waddch((w),(c))) -#define mvaddch(y,x,c) mvwaddch(stdscr,(y),(x),(c)) - -extern int SLcurses_wclear (SLcurses_Window_Type *w); -extern int SLcurses_printw (char *, ...); - -#if 0 -/* Why are these functions part of curses??? */ -extern int SLcurses_mvwscanw (SLcurses_Window_Type *, unsigned int, unsigned int, - char *, ...); -extern int SLcurses_wscanw (SLcurses_Window_Type *, char *, ...); -extern int SLcurses_scanw (char *, ...); -#define mvwscanw SLcurses_mvwscanw -#define wscanw SLcurses_wscanw -#define scanw SLcurses_scanw -#endif - -extern SLcurses_Window_Type *SLcurses_Stdscr; -#define WINDOW SLcurses_Window_Type -#define stdscr SLcurses_Stdscr - -#define subwin SLcurses_subwin -#define wclrtobot SLcurses_wclrtobot -#define wscrl SLcurses_wscrl -#define scrl(n) wscrl(stdscr,(n)) -#define scroll(w) wscrl((w),1) -#define wrefresh SLcurses_wrefresh -#define delwin SLcurses_delwin -#define wmove SLcurses_wmove -#define newwin SLcurses_newwin -#define wnoutrefresh SLcurses_wnoutrefresh -#define werase(w) SLcurses_wmove((w),0,0); SLcurses_wclrtobot(w) -#define wclear(w) SLcurses_wmove((w),0,0); SLcurses_wclrtobot(w) -#define wprintw SLcurses_wprintw -#define mvwprintw SLcurses_mvwprintw - -#define winch(w) \ - ((((w)->_cury < (w)->nrows) && ((w)->_curx < (w)->ncols)) \ - ? ((w)->lines[(w)->_cury][(w)->_curx]) : 0) - -#define inch() winch(stdscr) -#define mvwinch(w,x,y) \ - ((-1 != wmove((w),(x),(y))) ? winch(w) : (-1)) -#define doupdate SLsmg_refresh - -#define mvwin(w,a,b) ((w)->_begy = (a), (w)->_begx = (b)) - -extern int SLcurses_mvprintw (int, int, char *, ...); -extern int SLcurses_mvwprintw (SLcurses_Window_Type *, int, int, char *, ...); -extern int SLcurses_has_colors(void); -extern int SLcurses_nil (void); -extern int SLcurses_wgetch (SLcurses_Window_Type *); -extern int SLcurses_getch (void); - -extern int SLcurses_wattrset (SLcurses_Window_Type *, SLtt_Char_Type); -extern int SLcurses_wattron (SLcurses_Window_Type *, SLtt_Char_Type); -extern int SLcurses_wattroff (SLcurses_Window_Type *, SLtt_Char_Type); -#define attrset(x) SLcurses_wattrset(stdscr, (x)) -#define attron(x) SLcurses_wattron(stdscr, (x)) -#define attroff(x) SLcurses_wattroff(stdscr, (x)) -#define wattrset(w, x) SLcurses_wattrset((w), (x)) -#define wattron(w, x) SLcurses_wattron((w), (x)) -#define wattroff(w, x) SLcurses_wattroff((w), (x)) -#define wattr_get(w) ((w)->color << 8) -#define attr_get() wattr_get(stdscr) - -#define COLOR_PAIR(x) ((x) << 8) - -extern int SLcurses_start_color (void); -#define start_color SLcurses_start_color - -#define ERR 0xFFFF -#define wgetch SLcurses_wgetch -#define getch SLcurses_getch - -extern int SLcurses_nodelay (SLcurses_Window_Type *, int); -extern SLcurses_Window_Type *SLcurses_initscr (void); -#define initscr SLcurses_initscr - -extern int SLcurses_cbreak (void); -extern int SLcurses_raw (void); -#define cbreak SLcurses_cbreak -#define crmode SLcurses_cbreak -#define raw SLcurses_raw -#define noraw SLang_reset_tty -#define nocbreak SLang_reset_tty - -#define mvprintw SLcurses_mvprintw -#define has_colors SLcurses_has_colors -#define nodelay SLcurses_nodelay - -#define ungetch SLang_ungetkey - -#define COLS SLtt_Screen_Cols -#define LINES SLtt_Screen_Rows - -#define move(x,y) SLcurses_wmove(stdscr, (x), (y)) -#define wclrtoeol SLcurses_wclrtoeol -#define clrtoeol() SLcurses_wclrtoeol(stdscr) -#define clrtobot() SLcurses_wclrtobot(stdscr) - -#define printw SLcurses_printw -#define mvprintw SLcurses_mvprintw -#define wstandout(w) SLcurses_wattrset((w),A_STANDOUT) -#define wstandend(w) SLcurses_wattrset((w),A_NORMAL) -#define standout() SLcurses_wattrset(stdscr,A_STANDOUT) -#define standend() SLcurses_wattrset(stdscr,A_NORMAL) - -#define refresh() SLcurses_wrefresh(stdscr) -#define clear() SLcurses_wclear(stdscr) -#define erase() werase(stdscr) -#define touchline SLsmg_touch_lines -#define resetterm SLang_reset_tty - -extern int SLcurses_endwin (void); -#define endwin SLcurses_endwin -extern int SLcurses_Is_Endwin; -#define isendwin() SLcurses_Is_Endwin - -#define keypad(w,x) ((w)->use_keypad = (x)) - -#define KEY_MIN SL_KEY_UP -#define KEY_DOWN SL_KEY_DOWN -#define KEY_UP SL_KEY_UP -#define KEY_LEFT SL_KEY_LEFT -#define KEY_RIGHT SL_KEY_RIGHT -#define KEY_A1 SL_KEY_A1 -#define KEY_B1 SL_KEY_B1 -#define KEY_C1 SL_KEY_C1 -#define KEY_A2 SL_KEY_A2 -#define KEY_B2 SL_KEY_B2 -#define KEY_C2 SL_KEY_C2 -#define KEY_A3 SL_KEY_A3 -#define KEY_B3 SL_KEY_B3 -#define KEY_C3 SL_KEY_C3 -#define KEY_REDO SL_KEY_REDO -#define KEY_UNDO SL_KEY_UNDO -#define KEY_BACKSPACE SL_KEY_BACKSPACE -#define KEY_PPAGE SL_KEY_PPAGE -#define KEY_NPAGE SL_KEY_NPAGE -#define KEY_HOME SL_KEY_HOME -#define KEY_END SL_KEY_END -#define KEY_F0 SL_KEY_F0 -#define KEY_F SL_KEY_F -#define KEY_ENTER SL_KEY_ENTER -#define KEY_MAX 0xFFFF - -/* Ugly Hacks that may not work */ -#define flushinp SLcurses_nil -#define winsertln(w) \ - ((w)->scroll_min=(w)->_cury, \ - (w)->scroll_max=(w)->nrows, \ - wscrl((w), -1)) - -extern SLtt_Char_Type SLcurses_Acs_Map [128]; -#define acs_map SLcurses_Acs_Map - -#define ACS_ULCORNER (acs_map[SLSMG_ULCORN_CHAR]) -#define ACS_URCORNER (acs_map[SLSMG_URCORN_CHAR]) -#define ACS_LRCORNER (acs_map[SLSMG_LRCORN_CHAR]) -#define ACS_LLCORNER (acs_map[SLSMG_LLCORN_CHAR]) -#define ACS_TTEE (acs_map[SLSMG_UTEE_CHAR]) -#define ACS_LTEE (acs_map[SLSMG_LTEE_CHAR]) -#define ACS_RTEE (acs_map[SLSMG_RTEE_CHAR]) -#define ACS_BTEE (acs_map[SLSMG_DTEE_CHAR]) -#define ACS_PLUS (acs_map[SLSMG_PLUS_CHAR]) -#define ACS_VLINE (acs_map[SLSMG_VLINE_CHAR]) -#define ACS_HLINE (acs_map[SLSMG_HLINE_CHAR]) -#define ACS_S1 '-' -#define ACS_S9 '-' -#define ACS_DIAMOND '&' -#define ACS_CKBOARD (acs_map[SLSMG_CKBRD_CHAR]) -#define ACS_DEGREE 'o' -#define ACS_PLMINUS '+' -#define ACS_BULLET '*' -#define ACS_LARROW '<' -#define ACS_RARROW '>' -#define ACS_DARROW 'v' -#define ACS_UARROW '^' -#define ACS_BOARD '#' -#define ACS_LANTERN '#' -#define ACS_BLOCK '#' - -#if 1 -#define hline(x,y) SLcurses_nil () -#define vline(x,y) SLcurses_nil () -#endif - -#define A_CHARTEXT 0x00FF -#define A_NORMAL 0 -#define A_BOLD 0x1000 -#define A_REVERSE 0x2000 -#define A_STANDOUT A_REVERSE -#define A_UNDERLINE 0x4000 -#define A_BLINK 0 -#define A_COLOR 0x0700 -#define A_ALTCHARSET 0x8000 -#define A_DIM 0 -#define A_PROTECT 0 -#define A_INVIS 0 - -#define COLOR_BLACK SLSMG_COLOR_BLACK -#define COLOR_RED SLSMG_COLOR_RED -#define COLOR_GREEN SLSMG_COLOR_GREEN -#define COLOR_YELLOW SLSMG_COLOR_BROWN -#define COLOR_BLUE SLSMG_COLOR_BLUE -#define COLOR_MAGENTA SLSMG_COLOR_MAGENTA -#define COLOR_CYAN SLSMG_COLOR_CYAN -#define COLOR_WHITE SLSMG_COLOR_LGRAY - -extern int SLcurses_Num_Colors; -#define COLORS SLcurses_Num_Colors -#define COLOR_PAIRS (SLcurses_Num_Colors*SLcurses_Num_Colors) - -#define init_pair(_x,_f,_b) \ - SLtt_set_color_object((_x), ((_f) == (_b) ? 0x0700 : ((_f) | ((_b) << 8)) << 8)) - -#define scrollok(a,b) ((a)->scroll_ok = (b)) -#define getyx(a,y,x) (y=(a)->_cury, x=(a)->_curx) -#define getmaxyx(a,y,x) (y=(a)->nrows, x=(a)->ncols) -#define napms(x) usleep(1000 * (x)) -typedef SLtt_Char_Type chtype; -#define beep SLtt_beep -#define curs_set(x) SLtt_set_cursor_visibility(x) -#define touchwin(x) SLsmg_touch_lines((x)->_begy, (x)->nrows) -#define flash SLtt_beep - -#define wsetscrreg(w,a,b) ((w)->scroll_min = (a), (w)->scroll_max = (b)) - -#define wtimeout(a,b) (a)->delay_off = ((b >= 0) ? (b) / 100 : -1) -#define timeout(a) wtimeout(stdscr, a) -extern int SLcurses_wdelch (SLcurses_Window_Type *); -#define wdelch SLcurses_wdelch -#define delch() wdelch(stdscr) - -extern int SLcurses_winsch (SLcurses_Window_Type *, int); -#define winsch SLcurses_winsch - -extern int SLcurses_Esc_Delay;/* ESC expire time in milliseconds (ncurses compatible) */ -#define ESCDELAY SLcurses_Esc_Delay - -extern int SLcurses_clearok (SLcurses_Window_Type *, int); -#define clearok SLcurses_clearok - -/* Functions that have not been implemented. */ -#define copywin(w,v,a,b,c,d,e,f,g) SLcurses_nil() -#define wdeleteln(win) SLcurses_nil() -#define resetty SLcurses_nil -#define savetty SLcurses_nil -#define overlay(u,v) SLcurses_nil() - -/* These functions do nothing */ -#define savetty SLcurses_nil -#define nonl SLcurses_nil -#define echo SLcurses_nil -#define noecho SLcurses_nil -#define saveterm SLcurses_nil -#define box(w,y,z) ((w)->has_box = 1, (w)->modified = 1) -#define leaveok(a,b) SLcurses_nil() -#define nl() SLcurses_nil() -#define trace(x) SLcurses_nil() -#define tigetstr(x) NULL - -/* These have no place in C */ -#define TRUE 1 -#define FALSE 0 -#define bool int - -/* Lynx compatability */ -#else - -#define stdscr NULL -#define COLS SLtt_Screen_Cols -#define LINES SLtt_Screen_Rows -#define move SLsmg_gotorc -#define addstr SLsmg_write_string -#define clear SLsmg_cls -#define standout SLsmg_reverse_video -#define standend SLsmg_normal_video -#define clrtoeol SLsmg_erase_eol -#define scrollok(a,b) SLsmg_Newline_Moves = ((b) ? 1 : -1) -#define addch SLsmg_write_char -#define echo() -#define printw SLsmg_printf -#define endwin SLsmg_reset_smg(),SLang_reset_tty - -#endif diff --git a/mdk-stage1/slang/sldisply.c b/mdk-stage1/slang/sldisply.c deleted file mode 100644 index 1e1161774..000000000 --- a/mdk-stage1/slang/sldisply.c +++ /dev/null @@ -1,2596 +0,0 @@ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ -#include "slinclud.h" - -#include <time.h> -#include <ctype.h> - -#if !defined(VMS) || (__VMS_VER >= 70000000) -# include <sys/time.h> -# ifdef __QNX__ -# include <sys/select.h> -# endif -# include <sys/types.h> -#endif - -#ifdef __BEOS__ -/* Prototype for select */ -# include <net/socket.h> -#endif - -#ifdef HAVE_TERMIOS_H -# include <termios.h> -#endif - -#ifdef VMS -# include <unixlib.h> -# include <unixio.h> -# include <dvidef.h> -# include <descrip.h> -# include <lib$routines.h> -# include <starlet.h> -#else -# if !defined(sun) -# include <sys/ioctl.h> -# endif -#endif - -#ifdef SYSV -# include <sys/termio.h> -# include <sys/stream.h> -# include <sys/ptem.h> -# include <sys/tty.h> -#endif - -#if defined (_AIX) && !defined (FD_SET) -# include <sys/select.h> /* for FD_ISSET, FD_SET, FD_ZERO */ -#endif - -#include <errno.h> - -#if defined(__DECC) && defined(VMS) -/* These get prototypes for write an sleep */ -# include <unixio.h> -#endif -#include <signal.h> - -#include "slang.h" -#include "_slang.h" - -/* Colors: These definitions are used for the display. However, the - * application only uses object handles which get mapped to this - * internal representation. The mapping is performed by the Color_Map - * structure below. */ - -#define CHAR_MASK 0x000000FF -#define FG_MASK 0x0000FF00 -#define BG_MASK 0x00FF0000 -#define ATTR_MASK 0x1F000000 -#define BGALL_MASK 0x0FFF0000 - -/* The 0x10000000 bit represents the alternate character set. BGALL_MASK does - * not include this attribute. - */ - -#define GET_FG(color) ((color & FG_MASK) >> 8) -#define GET_BG(color) ((color & BG_MASK) >> 16) -#define MAKE_COLOR(fg, bg) (((fg) | ((bg) << 8)) << 8) - -int SLtt_Screen_Cols; -int SLtt_Screen_Rows; -int SLtt_Term_Cannot_Insert; -int SLtt_Term_Cannot_Scroll; -int SLtt_Use_Ansi_Colors; -int SLtt_Blink_Mode = 1; -int SLtt_Use_Blink_For_ACS = 0; -int SLtt_Newline_Ok = 0; -int SLtt_Has_Alt_Charset = 0; -int SLtt_Force_Keypad_Init = 0; - -void (*_SLtt_color_changed_hook)(void); - -#if SLTT_HAS_NON_BCE_SUPPORT -static int Bce_Color_Offset = 0; -#endif -static int Can_Background_Color_Erase = 1; - -/* -1 means unknown */ -int SLtt_Has_Status_Line = -1; /* hs */ -int SLang_TT_Write_FD = -1; - -static int Automatic_Margins; -/* static int No_Move_In_Standout; */ -static int Worthless_Highlight; -#define HP_GLITCH_CODE -#ifdef HP_GLITCH_CODE -/* This glitch is exclusive to HP term. Basically it means that to clear - * attributes, one has to erase to the end of the line. - */ -static int Has_HP_Glitch; -#endif - -static char *Reset_Color_String; -static int Is_Color_Terminal = 0; - -static int Linux_Console; - -/* It is crucial that JMAX_COLORS must be less than 128 since the high bit - * is used to indicate a character from the ACS (alt char set). The exception - * to this rule is if SLtt_Use_Blink_For_ACS is true. This means that of - * the highbit is set, we interpret that as a blink character. This is - * exploited by DOSemu. - */ -#define JMAX_COLORS 256 -#define JNORMAL_COLOR 0 - -typedef struct -{ - SLtt_Char_Type fgbg; - SLtt_Char_Type mono; - char *custom_esc; -} -Ansi_Color_Type; - -#define RGB1(r, g, b) ((r) | ((g) << 1) | ((b) << 2)) -#define RGB(r, g, b, br, bg, bb) ((RGB1(r, g, b) << 8) | (RGB1(br, bg, bb) << 16)) - -static Ansi_Color_Type Ansi_Color_Map[JMAX_COLORS] = -{ - {RGB(1, 1, 1, 0, 0, 0), 0x00000000, NULL}, /* white/black */ - {RGB(0, 1, 0, 0, 0, 0), SLTT_REV_MASK, NULL}, /* green/black */ - {RGB(1, 0, 1, 0, 0, 0), SLTT_REV_MASK, NULL}, /* magenta/black */ - {RGB(0, 1, 1, 0, 0, 0), SLTT_REV_MASK, NULL}, /* cyan/black */ - {RGB(1, 0, 0, 0, 0, 0), SLTT_REV_MASK, NULL}, - {RGB(0, 1, 0, 0, 0, 1), SLTT_REV_MASK, NULL}, - {RGB(1, 0, 0, 0, 0, 1), SLTT_REV_MASK, NULL}, - {RGB(1, 0, 0, 0, 1, 0), SLTT_REV_MASK, NULL}, - {RGB(0, 0, 1, 1, 0, 0), SLTT_REV_MASK, NULL}, - {RGB(0, 1, 0, 1, 0, 0), SLTT_REV_MASK, NULL}, - {RGB(0, 1, 1, 1, 1, 1), SLTT_REV_MASK, NULL}, - {RGB(1, 1, 0, 1, 1, 1), SLTT_REV_MASK, NULL}, - {RGB(1, 0, 1, 1, 1, 1), SLTT_REV_MASK, NULL}, - {RGB(0, 0, 0, 0, 1, 1), SLTT_REV_MASK, NULL}, - {RGB(0, 1, 0, 1, 1, 1), SLTT_REV_MASK, NULL}, - {RGB(0, 1, 0, 1, 1, 1), SLTT_REV_MASK, NULL}, - {RGB(0, 1, 0, 1, 1, 1), SLTT_REV_MASK, NULL}, - {RGB(0, 1, 0, 1, 1, 1), SLTT_REV_MASK, NULL} -}; - -static char *Color_Fg_Str = "\033[3%dm"; -static char *Color_Bg_Str = "\033[4%dm"; -static char *Default_Color_Fg_Str = "\033[39m"; -static char *Default_Color_Bg_Str = "\033[49m"; - -static int Max_Terminfo_Colors = 8; /* termcap Co */ - -char *SLtt_Graphics_Char_Pairs; /* ac termcap string -- def is vt100 */ - -/* 1 if terminal lacks the ability to go into insert mode or into delete - mode. Currently controlled by S-Lang but later perhaps termcap. */ - -static char *UnderLine_Vid_Str; -static char *Blink_Vid_Str; -static char *Bold_Vid_Str; -static char *Ins_Mode_Str; /* = "\033[4h"; */ /* ins mode (im) */ -static char *Eins_Mode_Str; /* = "\033[4l"; */ /* end ins mode (ei) */ -static char *Scroll_R_Str; /* = "\033[%d;%dr"; */ /* scroll region */ -static char *Cls_Str; /* = "\033[2J\033[H"; */ /* cl termcap STR for ansi terminals */ -static char *Rev_Vid_Str; /* = "\033[7m"; */ /* mr,so termcap string */ -static char *Norm_Vid_Str; /* = "\033[m"; */ /* me,se termcap string */ -static char *Del_Eol_Str; /* = "\033[K"; */ /* ce */ -static char *Del_Bol_Str; /* = "\033[1K"; */ /* cb */ -static char *Del_Char_Str; /* = "\033[P"; */ /* dc */ -static char *Del_N_Lines_Str; /* = "\033[%dM"; */ /* DL */ -static char *Add_N_Lines_Str; /* = "\033[%dL"; */ /* AL */ -static char *Rev_Scroll_Str; -static char *Curs_Up_Str; -static char *Curs_F_Str; /* RI termcap string */ -static char *Cursor_Visible_Str; /* ve termcap string */ -static char *Cursor_Invisible_Str; /* vi termcap string */ -#if 0 -static char *Start_Mouse_Rpt_Str; /* Start mouse reporting mode */ -static char *End_Mouse_Rpt_Str; /* End mouse reporting mode */ -#endif -static char *Start_Alt_Chars_Str; /* as */ -static char *End_Alt_Chars_Str; /* ae */ -static char *Enable_Alt_Char_Set; /* eA */ - -static char *Term_Init_Str; -static char *Keypad_Init_Str; -static char *Term_Reset_Str; -static char *Keypad_Reset_Str; - -/* status line functions */ -static char *Disable_Status_line_Str; /* ds */ -static char *Return_From_Status_Line_Str; /* fs */ -static char *Goto_Status_Line_Str; /* ts */ -static int Num_Status_Line_Columns; /* ws */ -/* static int Status_Line_Esc_Ok; */ /* es */ - -/* static int Len_Curs_F_Str = 5; */ - -/* cm string has %i%d since termcap numbers columns from 0 */ -/* char *CURS_POS_STR = "\033[%d;%df"; ansi-- hor and vert pos */ -static char *Curs_Pos_Str; /* = "\033[%i%d;%dH";*/ /* cm termcap string */ - -/* scrolling region */ -static int Scroll_r1 = 0, Scroll_r2 = 23; -static int Cursor_r, Cursor_c; /* 0 based */ - -/* current attributes --- initialized to impossible value */ -static SLtt_Char_Type Current_Fgbg = 0xFFFFFFFFU; - -static int Cursor_Set; /* 1 if cursor position known, 0 - * if not. -1 if only row is known - */ - -#define MAX_OUTPUT_BUFFER_SIZE 4096 - -static unsigned char Output_Buffer[MAX_OUTPUT_BUFFER_SIZE]; -static unsigned char *Output_Bufferp = Output_Buffer; - -unsigned long SLtt_Num_Chars_Output; - -int _SLusleep (unsigned long usecs) -{ -#if !defined(VMS) || (__VMS_VER >= 70000000) - struct timeval tv; - tv.tv_sec = usecs / 1000000; - tv.tv_usec = usecs % 1000000; - return select(0, NULL, NULL, NULL, &tv); -#else - return 0; -#endif -} - -int SLtt_flush_output (void) -{ - int nwrite = 0; - unsigned int total; - int n = (int) (Output_Bufferp - Output_Buffer); - - SLtt_Num_Chars_Output += n; - - total = 0; - while (n > 0) - { - nwrite = write (SLang_TT_Write_FD, (char *) Output_Buffer + total, n); - if (nwrite == -1) - { - nwrite = 0; -#ifdef EAGAIN - if (errno == EAGAIN) - { - _SLusleep (100000); /* 1/10 sec */ - continue; - } -#endif -#ifdef EWOULDBLOCK - if (errno == EWOULDBLOCK) - { - _SLusleep (100000); - continue; - } -#endif -#ifdef EINTR - if (errno == EINTR) continue; -#endif - break; - } - n -= nwrite; - total += nwrite; - } - Output_Bufferp = Output_Buffer; - return n; -} - -int SLtt_Baud_Rate; -static void tt_write(char *str, unsigned int n) -{ - static unsigned long last_time; - static int total; - unsigned long now; - unsigned int ndiff; - - if ((str == NULL) || (n == 0)) return; - total += n; - - while (1) - { - ndiff = MAX_OUTPUT_BUFFER_SIZE - (int) (Output_Bufferp - Output_Buffer); - if (ndiff < n) - { - SLMEMCPY ((char *) Output_Bufferp, (char *) str, ndiff); - Output_Bufferp += ndiff; - SLtt_flush_output (); - n -= ndiff; - str += ndiff; - } - else - { - SLMEMCPY ((char *) Output_Bufferp, str, n); - Output_Bufferp += n; - break; - } - } - - if (((SLtt_Baud_Rate > 150) && (SLtt_Baud_Rate <= 9600)) - && (10 * total > SLtt_Baud_Rate)) - { - total = 0; - if ((now = (unsigned long) time(NULL)) - last_time <= 1) - { - SLtt_flush_output (); - sleep((unsigned) 1); - } - last_time = now; - } -} - -static void tt_write_string (char *str) -{ - if (str != NULL) tt_write(str, strlen(str)); -} - -void SLtt_write_string (char *str) -{ - tt_write_string (str); - Cursor_Set = 0; -} - -void SLtt_putchar (char ch) -{ - SLtt_normal_video (); - if (Cursor_Set == 1) - { - if (ch >= ' ') Cursor_c++; - else if (ch == '\b') Cursor_c--; - else if (ch == '\r') Cursor_c = 0; - else Cursor_Set = 0; - - if ((Cursor_c + 1 == SLtt_Screen_Cols) - && Automatic_Margins) Cursor_Set = 0; - } - - if (Output_Bufferp < Output_Buffer + MAX_OUTPUT_BUFFER_SIZE) - { - *Output_Bufferp++ = (unsigned char) ch; - } - else tt_write (&ch, 1); -} - -static unsigned int tt_sprintf(char *buf, char *fmt, int x, int y) -{ - char *fmt_max; - register unsigned char *b, ch; - int offset; - int z, z1, parse_level; - int zero_pad; - int field_width; - int variables [26]; - int stack [64]; - unsigned int stack_len; - int parms [10]; -#define STACK_POP (stack_len ? stack[--stack_len] : 0) - - if (fmt == NULL) - { - *buf = 0; - return 0; - } - - stack [0] = y; /* pushed for termcap */ - stack [1] = x; - stack_len = 2; - - parms [1] = x; /* p1 */ - parms [2] = y; /* p2 */ - - offset = 0; - zero_pad = 0; - field_width = 0; - - b = (unsigned char *) buf; - fmt_max = fmt + strlen (fmt); - - while (fmt < fmt_max) - { - ch = *fmt++; - - if (ch != '%') - { - *b++ = ch; - continue; - } - - if (fmt == fmt_max) break; - ch = *fmt++; - - switch (ch) - { - default: - *b++ = ch; - break; - - case 'p': - - if (fmt == fmt_max) break; - ch = *fmt++; - if ((ch >= '0') && (ch <= '9')) - stack [stack_len++] = parms [ch - '0']; - break; - - case '\'': /* 'x' */ - if (fmt == fmt_max) break; - stack [stack_len++] = *fmt++; - if (fmt < fmt_max) fmt++; /* skip ' */ - break; - - case '{': /* literal constant, e.g. {30} */ - z = 0; - while ((fmt < fmt_max) && ((ch = *fmt) <= '9') && (ch >= '0')) - { - z = z * 10 + (ch - '0'); - fmt++; - } - stack [stack_len++] = z; - if ((ch == '}') && (fmt < fmt_max)) fmt++; - break; - - case '0': - if (fmt == fmt_max) break; - ch = *fmt; - if ((ch != '2') && (ch != '3')) - break; - zero_pad = 1; - fmt++; - /* drop */ - - case '2': - case '3': - if (fmt == fmt_max) - if (*fmt == 'x') - { - char x_fmt_buf [4]; - char *x_fmt_buf_ptr; - - x_fmt_buf_ptr = x_fmt_buf; - if (zero_pad) *x_fmt_buf_ptr++ = '0'; - *x_fmt_buf_ptr++ = ch; - *x_fmt_buf_ptr++ = 'X'; - *x_fmt_buf_ptr = 0; - - z = STACK_POP; - z += offset; - - sprintf ((char *)b, x_fmt_buf, z); - b += strlen ((char *)b); - zero_pad = 0; - break; - } - - field_width = (ch - '0'); - /* drop */ - - case 'd': - z = STACK_POP; - z += offset; - if (z >= 100) - { - *b++ = z / 100 + '0'; - z = z % 100; - zero_pad = 1; - field_width = 2; - } - else if (zero_pad && (field_width == 3)) - *b++ = '0'; - - if (z >= 10) - { - *b++ = z / 10 + '0'; - z = z % 10; - } - else if (zero_pad && (field_width >= 2)) - *b++ = '0'; - - *b++ = z + '0'; - field_width = zero_pad = 0; - break; - - case 'x': - z = STACK_POP; - z += offset; - sprintf ((char *) b, "%X", z); - b += strlen ((char *)b); - break; - - case 'i': - offset = 1; - break; - - case '+': - /* Handling this depends upon whether or not we are parsing - * terminfo. Terminfo requires the stack so use it as an - * indicator. - */ - if (stack_len > 2) - { - z = STACK_POP; - stack [stack_len - 1] += z; - } - else if (fmt < fmt_max) - { - ch = *fmt++; - if ((unsigned char) ch == 128) ch = 0; - ch = ch + (unsigned char) STACK_POP; - if (ch == '\n') ch++; - *b++ = ch; - } - break; - - /* Binary operators */ - case '-': - case '*': - case '/': - case 'm': - case '&': - case '|': - case '^': - case '=': - case '>': - case '<': - case 'A': - case 'O': - z1 = STACK_POP; - z = STACK_POP; - switch (ch) - { - case '-': z = (z - z1); break; - case '*': z = (z * z1); break; - case '/': z = (z / z1); break; - case 'm': z = (z % z1); break; - case '&': z = (z & z1); break; - case '|': z = (z | z1); break; - case '^': z = (z ^ z1); break; - case '=': z = (z == z1); break; - case '>': z = (z > z1); break; - case '<': z = (z < z1); break; - case 'A': z = (z && z1); break; - case 'O': z = (z || z1); break; - } - stack [stack_len++] = z; - break; - - /* unary */ - case '!': - z = STACK_POP; - stack [stack_len++] = !z; - break; - - case '~': - z = STACK_POP; - stack [stack_len++] = ~z; - break; - - case 'r': /* termcap -- swap parameters */ - z = stack [0]; - stack [0] = stack [1]; - stack [1] = z; - break; - - case '.': /* termcap */ - case 'c': - ch = (unsigned char) STACK_POP; - if (ch == '\n') ch++; - *b++ = ch; - break; - - case 'g': - if (fmt == fmt_max) break; - ch = *fmt++; - if ((ch >= 'a') && (ch <= 'z')) - stack [stack_len++] = variables [ch - 'a']; - break; - - case 'P': - if (fmt == fmt_max) break; - ch = *fmt++; - if ((ch >= 'a') && (ch <= 'z')) - variables [ch - 'a'] = STACK_POP; - break; - - /* If then else parsing. Actually, this is rather easy. The - * key is to notice that 'then' does all the work. 'if' simply - * there to indicate the start of a test and endif indicates - * the end of tests. If 'else' is seen, then skip to - * endif. - */ - case '?': /* if */ - case ';': /* endif */ - break; - - case 't': /* then */ - z = STACK_POP; - if (z != 0) - break; /* good. Continue parsing. */ - - /* z == 0 and test has failed. So, skip past this entire if - * expression to the matching else or matching endif. - */ - /* drop */ - case 'e': /* else */ - - parse_level = 0; - while (fmt < fmt_max) - { - unsigned char ch1; - - ch1 = *fmt++; - if ((ch1 != '%') || (fmt == fmt_max)) - continue; - - ch1 = *fmt++; - - if (ch1 == '?') parse_level++; /* new if */ - else if (ch1 == 'e') - { - if ((ch != 'e') && (parse_level == 0)) - break; - } - else if (ch1 == ';') - { - if (parse_level == 0) - break; - parse_level--; - } - } - break; - } - } - *b = 0; - return (unsigned int) (b - (unsigned char *) buf); -} - -static void tt_printf(char *fmt, int x, int y) -{ - char buf[1024]; - unsigned int n; - if (fmt == NULL) return; - n = tt_sprintf(buf, fmt, x, y); - tt_write(buf, n); -} - -void SLtt_set_scroll_region (int r1, int r2) -{ - Scroll_r1 = r1; - Scroll_r2 = r2; - tt_printf (Scroll_R_Str, Scroll_r1, Scroll_r2); - Cursor_Set = 0; -} - -void SLtt_reset_scroll_region (void) -{ - SLtt_set_scroll_region(0, SLtt_Screen_Rows - 1); -} - -int SLtt_set_cursor_visibility (int show) -{ - if ((Cursor_Visible_Str == NULL) || (Cursor_Invisible_Str == NULL)) - return -1; - - tt_write_string (show ? Cursor_Visible_Str : Cursor_Invisible_Str); - return 0; -} - -/* the goto_rc function moves to row relative to scrolling region */ -void SLtt_goto_rc(int r, int c) -{ - char *s = NULL; - int n; - char buf[6]; - - if ((c < 0) || (r < 0)) - { - Cursor_Set = 0; - return; - } - - /* if (No_Move_In_Standout && Current_Fgbg) SLtt_normal_video (); */ - r += Scroll_r1; - - if ((Cursor_Set > 0) || ((Cursor_Set < 0) && !Automatic_Margins)) - { - n = r - Cursor_r; - if ((n == -1) && (Cursor_Set > 0) && (Cursor_c == c) - && (Curs_Up_Str != NULL)) - { - s = Curs_Up_Str; - } - else if ((n >= 0) && (n <= 4)) - { - if ((n == 0) && (Cursor_Set == 1) - && ((c > 1) || (c == Cursor_c))) - { - if (Cursor_c == c) return; - if (Cursor_c == c + 1) - { - s = buf; - *s++ = '\b'; *s = 0; - s = buf; - } - } - else if (c == 0) - { - s = buf; - if ((Cursor_Set != 1) || (Cursor_c != 0)) *s++ = '\r'; - while (n--) *s++ = '\n'; -#ifdef VMS - /* Need to add this after \n to start a new record. Sheesh. */ - *s++ = '\r'; -#endif - *s = 0; - s = buf; - } - /* Will fail on VMS */ -#ifndef VMS - else if (SLtt_Newline_Ok && (Cursor_Set == 1) && - (Cursor_c >= c) && (c + 3 > Cursor_c)) - { - s = buf; - while (n--) *s++ = '\n'; - n = Cursor_c - c; - while (n--) *s++ = '\b'; - *s = 0; - s = buf; - } -#endif - } - } - if (s != NULL) tt_write_string(s); - else tt_printf(Curs_Pos_Str, r, c); - Cursor_c = c; Cursor_r = r; - Cursor_Set = 1; -} - -void SLtt_begin_insert (void) -{ - tt_write_string(Ins_Mode_Str); -} - -void SLtt_end_insert (void) -{ - tt_write_string(Eins_Mode_Str); -} - -void SLtt_delete_char (void) -{ - SLtt_normal_video (); - tt_write_string(Del_Char_Str); -} - -void SLtt_erase_line (void) -{ - tt_write_string("\r"); - Cursor_Set = 1; Cursor_c = 0; - SLtt_del_eol(); -} - -/* It appears that the Linux console, and most likely others do not - * like scrolling regions that consist of one line. So I have to - * resort to this stupidity to make up for that stupidity. - */ -static void delete_line_in_scroll_region (void) -{ - SLtt_goto_rc (Cursor_r - Scroll_r1, 0); - SLtt_del_eol (); -} - -void SLtt_delete_nlines (int n) -{ - int r1, curs; - char buf[132]; - - if (n <= 0) return; - SLtt_normal_video (); - - if (Scroll_r1 == Scroll_r2) - { - delete_line_in_scroll_region (); - return; - } - - if (Del_N_Lines_Str != NULL) tt_printf(Del_N_Lines_Str,n, 0); - else - /* get a new terminal */ - { - r1 = Scroll_r1; - curs = Cursor_r; - SLtt_set_scroll_region(curs, Scroll_r2); - SLtt_goto_rc(Scroll_r2 - Scroll_r1, 0); - SLMEMSET(buf, '\n', (unsigned int) n); - tt_write(buf, (unsigned int) n); - /* while (n--) tt_putchar('\n'); */ - SLtt_set_scroll_region(r1, Scroll_r2); - SLtt_goto_rc(curs, 0); - } -} - -void SLtt_cls (void) -{ - /* If the terminal is a color terminal but the user wants black and - * white, then make sure that the colors are reset. This appears to be - * necessary. - */ - if ((SLtt_Use_Ansi_Colors == 0) && Is_Color_Terminal) - { - if (Reset_Color_String != NULL) - tt_write_string (Reset_Color_String); - else - tt_write_string ("\033[0m\033[m"); - } - - SLtt_normal_video(); - SLtt_reset_scroll_region (); - tt_write_string(Cls_Str); -} - -void SLtt_reverse_index (int n) -{ - if (!n) return; - - SLtt_normal_video(); - - if (Scroll_r1 == Scroll_r2) - { - delete_line_in_scroll_region (); - return; - } - - if (Add_N_Lines_Str != NULL) tt_printf(Add_N_Lines_Str,n, 0); - else - { - while(n--) tt_write_string(Rev_Scroll_Str); - } -} - -int SLtt_Ignore_Beep = 1; -static char *Visible_Bell_Str; - -void SLtt_beep (void) -{ - if (SLtt_Ignore_Beep & 0x1) SLtt_putchar('\007'); - - if (SLtt_Ignore_Beep & 0x2) - { - if (Visible_Bell_Str != NULL) tt_write_string (Visible_Bell_Str); -#ifdef __linux__ - else if (Linux_Console) - { - tt_write_string ("\033[?5h"); - SLtt_flush_output (); - _SLusleep (50000); - tt_write_string ("\033[?5l"); - } -#endif - } - SLtt_flush_output (); -} - -static void del_eol (void) -{ - int c; - - if (Del_Eol_Str != NULL) - { - tt_write_string(Del_Eol_Str); - return; - } - - c = Cursor_c; - /* Avoid writing to the lower right corner. If the terminal does not - * have Del_Eol_Str, then it probably does not have what it takes to play - * games with insert for for a space into that corner. - */ - if (Cursor_r + 1 < SLtt_Screen_Rows) - c++; - - while (c < SLtt_Screen_Cols) - { - tt_write (" ", 1); - c++; - } -} - -void SLtt_del_eol (void) -{ - if (Current_Fgbg != 0xFFFFFFFFU) SLtt_normal_video (); - del_eol (); -} - -typedef struct -{ - char *name; - SLtt_Char_Type color; -} -Color_Def_Type; - -#define MAX_COLOR_NAMES 17 -static Color_Def_Type Color_Defs [MAX_COLOR_NAMES] = -{ - {"black", SLSMG_COLOR_BLACK}, - {"red", SLSMG_COLOR_RED}, - {"green", SLSMG_COLOR_GREEN}, - {"brown", SLSMG_COLOR_BROWN}, - {"blue", SLSMG_COLOR_BLUE}, - {"magenta", SLSMG_COLOR_MAGENTA}, - {"cyan", SLSMG_COLOR_CYAN}, - {"lightgray", SLSMG_COLOR_LGRAY}, - {"gray", SLSMG_COLOR_GRAY}, - {"brightred", SLSMG_COLOR_BRIGHT_RED}, - {"brightgreen", SLSMG_COLOR_BRIGHT_GREEN}, - {"yellow", SLSMG_COLOR_BRIGHT_BROWN}, - {"brightblue", SLSMG_COLOR_BRIGHT_BLUE}, - {"brightmagenta", SLSMG_COLOR_BRIGHT_CYAN}, - {"brightcyan", SLSMG_COLOR_BRIGHT_MAGENTA}, - {"white", SLSMG_COLOR_BRIGHT_WHITE}, -#define SLSMG_COLOR_DEFAULT 0xFF - {"default", SLSMG_COLOR_DEFAULT} -}; - -void SLtt_set_mono (int obj, char *what, SLtt_Char_Type mask) -{ - (void) what; - if ((obj < 0) || (obj >= JMAX_COLORS)) - { - return; - } - Ansi_Color_Map[obj].mono = mask & ATTR_MASK; -} - -static char *check_color_for_digit_form (char *color) -{ - unsigned int i, ich; - char *s = color; - - i = 0; - while ((ich = (int) *s) != 0) - { - if ((ich < '0') || (ich > '9')) - return color; - - i = i * 10 + (ich - '0'); - s++; - } - - if (i < MAX_COLOR_NAMES) - color = Color_Defs[i].name; - - return color; -} - -static int get_default_colors (char **fgp, char **bgp) -{ - static char fg_buf[16], bg_buf[16], *bg, *fg; - static int already_parsed; - char *p, *pmax; - - if (already_parsed == -1) - return -1; - - if (already_parsed) - { - *fgp = fg; - *bgp = bg; - return 0; - } - - already_parsed = -1; - - bg = getenv ("COLORFGBG"); - - if (bg == NULL) - { - bg = getenv ("DEFAULT_COLORS"); - if (bg == NULL) - return -1; - } - - p = fg_buf; - pmax = p + (sizeof (fg_buf) - 1); - - while ((*bg != 0) && (*bg != ';')) - { - if (p < pmax) *p++ = *bg; - bg++; - } - *p = 0; - - if (*bg) bg++; - - p = bg_buf; - pmax = p + (sizeof (bg_buf) - 1); - - /* Mark suggested allowing for extra spplication specific stuff following - * the background color. That is what the check for the semi-colon is for. - */ - while ((*bg != 0) && (*bg != ';')) - { - if (p < pmax) *p++ = *bg; - bg++; - } - *p = 0; - - if (!strcmp (fg_buf, "default") || !strcmp(bg_buf, "default")) - { - *fgp = *bgp = fg = bg = "default"; - } - else - { - *fgp = fg = check_color_for_digit_form (fg_buf); - *bgp = bg = check_color_for_digit_form (bg_buf); - } - already_parsed = 1; - return 0; -} - -static unsigned char FgBg_Stats[JMAX_COLORS]; - -static int Color_0_Modified = 0; - -void SLtt_set_color_object (int obj, SLtt_Char_Type attr) -{ - char *cust_esc; - - if ((obj < 0) || (obj >= JMAX_COLORS)) return; - - cust_esc = Ansi_Color_Map[obj].custom_esc; - if (cust_esc != NULL) - { - SLfree (cust_esc); - FgBg_Stats[(Ansi_Color_Map[obj].fgbg >> 8) & 0x7F] -= 1; - Ansi_Color_Map[obj].custom_esc = NULL; - } - - Ansi_Color_Map[obj].fgbg = attr; - if (obj == 0) Color_0_Modified = 1; - - if (_SLtt_color_changed_hook != NULL) - (*_SLtt_color_changed_hook)(); -} - -SLtt_Char_Type SLtt_get_color_object (int obj) -{ - if ((obj < 0) || (obj >= JMAX_COLORS)) return 0; - return Ansi_Color_Map[obj].fgbg; -} - -void SLtt_add_color_attribute (int obj, SLtt_Char_Type attr) -{ - if ((obj < 0) || (obj >= JMAX_COLORS)) return; - - Ansi_Color_Map[obj].fgbg |= (attr & ATTR_MASK); - if (obj == 0) Color_0_Modified = 1; - if (_SLtt_color_changed_hook != NULL) - (*_SLtt_color_changed_hook)(); -} - -static SLtt_Char_Type fb_to_fgbg (SLtt_Char_Type f, SLtt_Char_Type b) -{ - SLtt_Char_Type attr; - - if (Max_Terminfo_Colors != 8) - { - if (f != SLSMG_COLOR_DEFAULT) f %= Max_Terminfo_Colors; - if (b != SLSMG_COLOR_DEFAULT) b %= Max_Terminfo_Colors; - return ((f << 8) | (b << 16)); - } - - /* Otherwise we have 8 ansi colors. Try to get bright versions - * by using the BOLD and BLINK attributes. - */ - - attr = 0; - - /* Note: If f represents default, it will have the value 0xFF */ - if (f != SLSMG_COLOR_DEFAULT) - { - if (f & 0x8) attr = SLTT_BOLD_MASK; - f &= 0x7; - } - - if (b != SLSMG_COLOR_DEFAULT) - { - if (b & 0x8) attr |= SLTT_BLINK_MASK; - b &= 0x7; - } - - return ((f << 8) | (b << 16) | attr); -} - -/* This looks for colors with name form 'colorN'. If color is of this - * form, N is passed back via paramter list. - */ -static int parse_color_digit_name (char *color, SLtt_Char_Type *f) -{ - unsigned int i; - unsigned char ch; - - if (strncmp (color, "color", 5)) - return -1; - - color += 5; - if (*color == 0) - return -1; - - i = 0; - while (1) - { - ch = (unsigned char) *color++; - if (ch == 0) - break; - if ((ch > '9') || (ch < '0')) - return -1; - i = 10 * i + (ch - '0'); - } - - *f = (SLtt_Char_Type) i; - return 0; -} - -static int make_color_fgbg (char *fg, char *bg, SLtt_Char_Type *fgbg) -{ - SLtt_Char_Type f = 0xFFFFFFFFU, b = 0xFFFFFFFFU; - char *dfg, *dbg; - unsigned int i; - - if ((fg != NULL) && (*fg == 0)) fg = NULL; - if ((bg != NULL) && (*bg == 0)) bg = NULL; - - if ((fg == NULL) || (bg == NULL)) - { - if (-1 == get_default_colors (&dfg, &dbg)) - return -1; - - if (fg == NULL) fg = dfg; - if (bg == NULL) bg = dbg; - } - - if (-1 == parse_color_digit_name (fg, &f)) - { - for (i = 0; i < MAX_COLOR_NAMES; i++) - { - if (strcmp(fg, Color_Defs[i].name)) continue; - f = Color_Defs[i].color; - break; - } - } - - if (-1 == parse_color_digit_name (bg, &b)) - { - for (i = 0; i < MAX_COLOR_NAMES; i++) - { - if (strcmp(bg, Color_Defs[i].name)) continue; - b = Color_Defs[i].color; - break; - } - } - - if ((f == 0xFFFFFFFFU) || (b == 0xFFFFFFFFU)) - return -1; - - *fgbg = fb_to_fgbg (f, b); - return 0; -} - -void SLtt_set_color (int obj, char *what, char *fg, char *bg) -{ - SLtt_Char_Type fgbg; - - (void) what; - if ((obj < 0) || (obj >= JMAX_COLORS)) - return; - - if (-1 != make_color_fgbg (fg, bg, &fgbg)) - SLtt_set_color_object (obj, fgbg); -} - -void SLtt_set_color_fgbg (int obj, SLtt_Char_Type f, SLtt_Char_Type b) -{ - SLtt_set_color_object (obj, fb_to_fgbg (f, b)); -} - -void SLtt_set_color_esc (int obj, char *esc) -{ - char *cust_esc; - SLtt_Char_Type fgbg = 0; - int i; - - if ((obj < 0) || (obj >= JMAX_COLORS)) - { - return; - } - - cust_esc = Ansi_Color_Map[obj].custom_esc; - if (cust_esc != NULL) - { - SLfree (cust_esc); - FgBg_Stats[(Ansi_Color_Map[obj].fgbg >> 8) & 0x7F] -= 1; - } - - cust_esc = (char *) SLmalloc (strlen(esc) + 1); - if (cust_esc != NULL) strcpy (cust_esc, esc); - - Ansi_Color_Map[obj].custom_esc = cust_esc; - if (cust_esc == NULL) fgbg = 0; - else - { - /* The whole point of this is to generate a unique fgbg */ - for (i = 0; i < JMAX_COLORS; i++) - { - if (FgBg_Stats[i] == 0) fgbg = i; - - if (obj == i) continue; - if ((Ansi_Color_Map[i].custom_esc) == NULL) continue; - if (!strcmp (Ansi_Color_Map[i].custom_esc, cust_esc)) - { - fgbg = (Ansi_Color_Map[i].fgbg >> 8) & 0x7F; - break; - } - } - FgBg_Stats[fgbg] += 1; - } - - fgbg |= 0x80; - Ansi_Color_Map[obj].fgbg = (fgbg | (fgbg << 8)) << 8; - if (obj == 0) Color_0_Modified = 1; - if (_SLtt_color_changed_hook != NULL) - (*_SLtt_color_changed_hook)(); -} - -void SLtt_set_alt_char_set (int i) -{ - static int last_i; - if (SLtt_Has_Alt_Charset == 0) return; - if (i == last_i) return; - tt_write_string (i ? Start_Alt_Chars_Str : End_Alt_Chars_Str ); - last_i = i; -} - -static void write_attributes (SLtt_Char_Type fgbg) -{ - int bg0, fg0; - int unknown_attributes; - - if (Worthless_Highlight) return; - if (fgbg == Current_Fgbg) return; - - unknown_attributes = 0; - - /* Before spitting out colors, fix attributes */ - if ((fgbg & ATTR_MASK) != (Current_Fgbg & ATTR_MASK)) - { - if (Current_Fgbg & ATTR_MASK) - { - tt_write_string(Norm_Vid_Str); - /* In case normal video turns off ALL attributes: */ - if (fgbg & SLTT_ALTC_MASK) - Current_Fgbg &= ~SLTT_ALTC_MASK; - SLtt_set_alt_char_set (0); - } - - if ((fgbg & SLTT_ALTC_MASK) - != (Current_Fgbg & SLTT_ALTC_MASK)) - { - SLtt_set_alt_char_set ((int) (fgbg & SLTT_ALTC_MASK)); - } - - if (fgbg & SLTT_ULINE_MASK) tt_write_string (UnderLine_Vid_Str); - if (fgbg & SLTT_BOLD_MASK) SLtt_bold_video (); - if (fgbg & SLTT_REV_MASK) tt_write_string (Rev_Vid_Str); - if (fgbg & SLTT_BLINK_MASK) - { - /* Someday Linux will have a blink mode that set high intensity - * background. Lets be prepared. - */ - if (SLtt_Blink_Mode) tt_write_string (Blink_Vid_Str); - } - unknown_attributes = 1; - } - - if (SLtt_Use_Ansi_Colors) - { - fg0 = (int) GET_FG(fgbg); - bg0 = (int) GET_BG(fgbg); - - if (unknown_attributes - || (fg0 != (int)GET_FG(Current_Fgbg))) - { - if (fg0 == SLSMG_COLOR_DEFAULT) - tt_write_string (Default_Color_Fg_Str); - else - tt_printf (Color_Fg_Str, fg0, 0); - } - - if (unknown_attributes - || (bg0 != (int)GET_BG(Current_Fgbg))) - { - if (bg0 == SLSMG_COLOR_DEFAULT) - tt_write_string (Default_Color_Bg_Str); - else - tt_printf (Color_Bg_Str, bg0, 0); - } - } - - Current_Fgbg = fgbg; -} - -static int Video_Initialized; - -void SLtt_reverse_video (int color) -{ - SLtt_Char_Type fgbg; - char *esc; - - if (Worthless_Highlight) return; - if ((color < 0) || (color >= JMAX_COLORS)) return; - - if (Video_Initialized == 0) - { - if (color == JNORMAL_COLOR) - { - tt_write_string (Norm_Vid_Str); - } - else tt_write_string (Rev_Vid_Str); - Current_Fgbg = 0xFFFFFFFFU; - return; - } - - if (SLtt_Use_Ansi_Colors) - { - fgbg = Ansi_Color_Map[color].fgbg; - if ((esc = Ansi_Color_Map[color].custom_esc) != NULL) - { - if (fgbg != Current_Fgbg) - { - Current_Fgbg = fgbg; - tt_write_string (esc); - return; - } - } - } - else fgbg = Ansi_Color_Map[color].mono; - - if (fgbg == Current_Fgbg) return; - write_attributes (fgbg); -} - -void SLtt_normal_video (void) -{ - SLtt_reverse_video(JNORMAL_COLOR); -} - -void SLtt_narrow_width (void) -{ - tt_write_string("\033[?3l"); -} - -void SLtt_wide_width (void) -{ - tt_write_string("\033[?3h"); -} - -/* Highest bit represents the character set. */ -#define COLOR_MASK 0x7F00 - -#if SLTT_HAS_NON_BCE_SUPPORT -static int bce_color_eqs (unsigned int a, unsigned int b) -{ - a = (a & COLOR_MASK) >> 8; - b = (b & COLOR_MASK) >> 8; - - if (a == b) - return 1; - - if (SLtt_Use_Ansi_Colors == 0) - return Ansi_Color_Map[a].mono == Ansi_Color_Map[b].mono; - - if (Bce_Color_Offset == 0) - return Ansi_Color_Map[a].fgbg == Ansi_Color_Map[b].fgbg; - - /* If either are color 0, then we do not know what that means since the - * terminal does not support BCE */ - if ((a == 0) || (b == 0)) - return 0; - - return Ansi_Color_Map[a-1].fgbg == Ansi_Color_Map[b-1].fgbg; -} -#define COLOR_EQS(a,b) bce_color_eqs (a,b) -#else -# define COLOR_OF(x) (((unsigned int)(x) & COLOR_MASK) >> 8) -# define COLOR_EQS(a, b) \ - (SLtt_Use_Ansi_Colors \ - ? (Ansi_Color_Map[COLOR_OF(a)].fgbg == Ansi_Color_Map[COLOR_OF(b)].fgbg)\ - : (Ansi_Color_Map[COLOR_OF(a)].mono == Ansi_Color_Map[COLOR_OF(b)].mono)) -#endif - -#define CHAR_EQS(a, b) (((a) == (b))\ - || ((((a) & ~COLOR_MASK) == ((b) & ~COLOR_MASK))\ - && COLOR_EQS((a), (b)))) - -/* The whole point of this routine is to prevent writing to the last column - * and last row on terminals with automatic margins. - */ -static void write_string_with_care (char *str) -{ - unsigned int len; - - if (str == NULL) return; - - len = strlen (str); - if (Automatic_Margins && (Cursor_r + 1 == SLtt_Screen_Rows)) - { - if (len + (unsigned int) Cursor_c >= (unsigned int) SLtt_Screen_Cols) - { - /* For now, just do not write there. Later, something more - * sophisticated will be implemented. - */ - if (SLtt_Screen_Cols > Cursor_c) - len = SLtt_Screen_Cols - Cursor_c - 1; - else - len = 0; - } - } - tt_write (str, len); -} - -static void send_attr_str (SLsmg_Char_Type *s) -{ - unsigned char out[256], ch, *p; - register SLtt_Char_Type attr; - register SLsmg_Char_Type sh; - int color, last_color = -1; - - p = out; - while (0 != (sh = *s++)) - { - ch = sh & 0xFF; - color = ((int) sh & 0xFF00) >> 8; - -#if SLTT_HAS_NON_BCE_SUPPORT - if (Bce_Color_Offset - && (color >= Bce_Color_Offset)) - color -= Bce_Color_Offset; -#endif - - if (color != last_color) - { - if (SLtt_Use_Ansi_Colors) attr = Ansi_Color_Map[color & 0x7F].fgbg; - else attr = Ansi_Color_Map[color & 0x7F].mono; - - if (sh & 0x8000) /* alternate char set */ - { - if (SLtt_Use_Blink_For_ACS) - { - if (SLtt_Blink_Mode) attr |= SLTT_BLINK_MASK; - } - else attr |= SLTT_ALTC_MASK; - } - - if (attr != Current_Fgbg) - { - if ((ch != ' ') || - /* it is a space so only consider it different if it - * has different attributes. - */ - (attr & BGALL_MASK) != (Current_Fgbg & BGALL_MASK)) - { - if (p != out) - { - *p = 0; - write_string_with_care ((char *) out); - Cursor_c += (int) (p - out); - p = out; - } - - if (SLtt_Use_Ansi_Colors && (NULL != Ansi_Color_Map[color & 0x7F].custom_esc)) - { - tt_write_string (Ansi_Color_Map[color & 0x7F].custom_esc); - /* Just in case the custom escape sequence screwed up - * the alt character set state... - */ - if ((attr & SLTT_ALTC_MASK) != (Current_Fgbg & SLTT_ALTC_MASK)) - SLtt_set_alt_char_set ((int) (attr & SLTT_ALTC_MASK)); - Current_Fgbg = attr; - } - else write_attributes (attr); - - last_color = color; - } - } - } - *p++ = ch; - } - *p = 0; - if (p != out) write_string_with_care ((char *) out); - Cursor_c += (int) (p - out); -} - -static void forward_cursor (unsigned int n, int row) -{ - char buf [1024]; - - if (n <= 4) - { - SLtt_normal_video (); - SLMEMSET (buf, ' ', n); - buf[n] = 0; - write_string_with_care (buf); - Cursor_c += n; - } - else if (Curs_F_Str != NULL) - { - Cursor_c += n; - n = tt_sprintf(buf, Curs_F_Str, (int) n, 0); - tt_write(buf, n); - } - else SLtt_goto_rc (row, (int) (Cursor_c + n)); -} - - -void SLtt_smart_puts(SLsmg_Char_Type *neww, SLsmg_Char_Type *oldd, int len, int row) -{ - register SLsmg_Char_Type *p, *q, *qmax, *pmax, *buf; - SLsmg_Char_Type buffer[256]; - unsigned int n_spaces; - SLsmg_Char_Type *space_match, *last_buffered_match; -#ifdef HP_GLITCH_CODE - int handle_hp_glitch = 0; -#endif - SLsmg_Char_Type space_char; -#define SLTT_USE_INSERT_HACK 1 -#if SLTT_USE_INSERT_HACK - SLsmg_Char_Type insert_hack_prev = 0; - SLsmg_Char_Type insert_hack_char = 0; - - if ((row + 1 == SLtt_Screen_Rows) - && (len == SLtt_Screen_Cols) - && (len > 1) - && (SLtt_Term_Cannot_Insert == 0) - && Automatic_Margins) - { - insert_hack_char = neww[len-1]; - if (oldd[len-1] == insert_hack_char) - insert_hack_char = 0; - else - insert_hack_prev = neww[len-2]; - } -#endif - - q = oldd; p = neww; - qmax = oldd + len; - pmax = p + len; - - /* Find out where to begin --- while they match, we are ok */ - while (1) - { - if (q == qmax) return; -#if SLANG_HAS_KANJI_SUPPORT - if (*p & 0x80) - { /* new is kanji */ - if ((*q & 0x80) && ((q + 1) < qmax)) - { /* old is also kanji */ - if (((0xFF & *q) != (0xFF & *p)) - || ((0xFF & q[1]) != (0xFF & p[1]))) - break; /* both kanji, but not match */ - - else - { /* kanji match ! */ - if (!COLOR_EQS(*q, *p)) break; - q++; p++; - if (!COLOR_EQS(*q, *p)) break; - /* really match! */ - q++; p++; - continue; - } - } - else break; /* old is not kanji */ - } - else - { /* new is not kanji */ - if (*q & 0x80) break; /* old is kanji */ - } -#endif - if (!CHAR_EQS(*q, *p)) break; - q++; p++; - } - -#ifdef HP_GLITCH_CODE - if (Has_HP_Glitch) - { - SLsmg_Char_Type *qq = q; - - SLtt_goto_rc (row, (int) (p - neww)); - - while (qq < qmax) - { - if (*qq & 0xFF00) - { - SLtt_normal_video (); - SLtt_del_eol (); - qmax = q; - handle_hp_glitch = 1; - break; - } - qq++; - } - } -#endif - /* Find where the last non-blank character on old/new screen is */ - - space_char = ' '; - if ((*(pmax-1) & 0xFF) == ' ') - { - /* If we get here, then we can erase to the end of the line to create - * the final space. However, this will only work _if_ erasing will - * get us the correct color. If the terminal supports BCE, then this - * is easy. If it does not, then we can only perform this operation - * if the color is known via something like COLORFGBG. For now, - * I just will not perform the optimization for such terminals. - */ - if ((Can_Background_Color_Erase) - && SLtt_Use_Ansi_Colors) - space_char = *(pmax - 1); - - while (pmax > p) - { - pmax--; - if (!CHAR_EQS(*pmax, space_char)) - { - pmax++; - break; - } - } - } - - while (qmax > q) - { - qmax--; - if (!CHAR_EQS(*qmax, space_char)) - { - qmax++; - break; - } - } - - last_buffered_match = buf = buffer; /* buffer is empty */ - -#ifdef HP_GLITCH_CODE - if (handle_hp_glitch) - { - while (p < pmax) - { - *buf++ = *p++; - } - } -#endif - -#ifdef HP_GLITCH_CODE - if (Has_HP_Glitch == 0) - { -#endif - /* Try use use erase to bol if possible */ - if ((Del_Bol_Str != NULL) && ((*neww & 0xFF) == 32)) - { - SLsmg_Char_Type *p1; - SLsmg_Char_Type blank; - - p1 = neww; - if ((Can_Background_Color_Erase) - && SLtt_Use_Ansi_Colors) - blank = *p1; - /* black+white attributes do not support bce */ - else - blank = 32; - - while ((p1 < pmax) && (CHAR_EQS (*p1, blank))) - p1++; - - /* Is this optimization worth it? Assume Del_Bol_Str is ESC [ 1 K - * It costs 4 chars + the space needed to properly position the - * cursor, e.g., ESC [ 10;10H. So, it costs at least 13 characters. - */ - if ((p1 > neww + 13) - && (p1 >= p) - /* Avoid erasing from the end of the line */ - && ((p1 != pmax) || (pmax < neww + len))) - { - int ofs = (int) (p1 - neww); - q = oldd + ofs; - p = p1; - SLtt_goto_rc (row, ofs - 1); - SLtt_reverse_video (blank >> 8); - tt_write_string (Del_Bol_Str); - tt_write (" ", 1); - Cursor_c += 1; - } - else - SLtt_goto_rc (row, (int) (p - neww)); - } - else - SLtt_goto_rc (row, (int) (p - neww)); -#ifdef HP_GLITCH_CODE - } -#endif - - - /* loop using overwrite then skip algorithm until done */ - while (1) - { - /* while they do not match and we do not hit a space, buffer them up */ - n_spaces = 0; - while (p < pmax) - { - if (CHAR_EQS(*q, 32) && CHAR_EQS(*p, 32)) - { - /* If *q is not a space, we would have to overwrite it. - * However, if *q is a space, then while *p is also one, - * we only need to skip over the blank field. - */ - space_match = p; - p++; q++; - while ((p < pmax) - && CHAR_EQS(*q, 32) - && CHAR_EQS(*p, 32)) - { - p++; - q++; - } - n_spaces = (unsigned int) (p - space_match); - break; - } -#if SLANG_HAS_KANJI_SUPPORT - if ((*p & 0x80) && ((p + 1) < pmax)) - { /* new is kanji */ - if (*q & 0x80) - { /* old is also kanji */ - if (((0xFF & *q) != (0xFF & *p)) - || ((0xFF & q[1]) != (0xFF & p[1]))) - { - /* both kanji, but not match */ - *buf++ = *p++; - *buf++ = *p++; - q += 2; - continue; - } - else - { /* kanji match ? */ - if (!COLOR_EQS(*q, *p) || !COLOR_EQS(*(q+1), *(p+1))) - { - /* code is match, but color is diff */ - *buf++ = *p++; - *buf++ = *p++; - q += 2; - continue; - } - /* really match ! */ - break; - } - } - else - { /* old is not kanji */ - *buf++ = *p++; - *buf++ = *p++; - q += 2; - continue; - } - } - else - { /* new is not kanji */ - if (*q & 0x80) - { /* old is kanji */ - *buf++ = *p++; - q++; - continue; - } - } -#endif - - if (CHAR_EQS(*q, *p)) break; - *buf++ = *p++; - q++; - } - *buf = 0; - - if (buf != buffer) send_attr_str (buffer); - buf = buffer; - - if (n_spaces - && ((p < pmax) /* erase to eol will achieve this effect*/ - || (space_char != 32)))/* unless space_char is not a simple space */ - { - forward_cursor (n_spaces, row); - } - - /* Now we overwrote what we could and cursor is placed at position - * of a possible match of new and old. If this is the case, skip - * some more. - */ -#if !SLANG_HAS_KANJI_SUPPORT - while ((p < pmax) && CHAR_EQS(*p, *q)) - { - *buf++ = *p++; - q++; - } -#else - /* Kanji */ - while (p < pmax) - { - if ((*p & 0x80) && ((p + 1) < pmax)) - { /* new is kanji */ - if (*q & 0x80) - { /* old is also kanji */ - if (((0xFF & *q) == (0xFF & *p)) - && ((0xFF & q[1]) == (0xFF & p[1]))) - { - /* kanji match ? */ - if (!COLOR_EQS(*q, *p) - || !COLOR_EQS(q[1], p[1])) - break; - - *buf++ = *p++; - q++; - if (p >= pmax) - { - *buf++ = 32; - p++; - break; - } - else - { - *buf++ = *p++; - q++; - continue; - } - } - else break; /* both kanji, but not match */ - } - else break; /* old is not kanji */ - } - else - { /* new is not kanji */ - if (*q & 0x80) break; /* old is kanji */ - if (!CHAR_EQS(*q, *p)) break; - *buf++ = *p++; - q++; - } - } -#endif - last_buffered_match = buf; - if (p >= pmax) break; - - /* jump to new position is it is greater than 5 otherwise - * let it sit in the buffer and output it later. - */ - if ((int) (buf - buffer) >= 5) - { - forward_cursor ((unsigned int) (buf - buffer), row); - last_buffered_match = buf = buffer; - } - } - - if (buf != buffer) - { - if (q < qmax) - { - if ((buf == last_buffered_match) - && ((int) (buf - buffer) >= 5)) - { - forward_cursor ((unsigned int) (buf - buffer), row); - } - else - { - *buf = 0; - send_attr_str (buffer); - } - } - } - - if (q < qmax) - { - SLtt_reverse_video (space_char >> 8); - del_eol (); - } - -#if SLTT_USE_INSERT_HACK - else if (insert_hack_char) - { - SLtt_goto_rc (SLtt_Screen_Rows-1, SLtt_Screen_Cols-2); - buffer[0] = insert_hack_char; - buffer[1] = 0; - send_attr_str (buffer); - SLtt_goto_rc (SLtt_Screen_Rows-1, SLtt_Screen_Cols-2); - buffer[0] = insert_hack_prev; - SLtt_begin_insert (); - send_attr_str (buffer); - SLtt_end_insert (); - } -#endif - - if (Automatic_Margins && (Cursor_c + 1 >= SLtt_Screen_Cols)) Cursor_Set = 0; -} - -static void get_color_info (void) -{ - char *fg, *bg; - - /* Allow easy mechanism to override inadequate termcap/terminfo files. */ - if (SLtt_Use_Ansi_Colors == 0) - SLtt_Use_Ansi_Colors = (NULL != getenv ("COLORTERM")); - - if (SLtt_Use_Ansi_Colors) - Is_Color_Terminal = 1; - -#if SLTT_HAS_NON_BCE_SUPPORT - if (Can_Background_Color_Erase == 0) - Can_Background_Color_Erase = (NULL != getenv ("COLORTERM_BCE")); -#endif - - if (-1 == get_default_colors (&fg, &bg)) - return; - - /* Check to see if application has already set them. */ - if (Color_0_Modified) - return; - - SLtt_set_color (0, NULL, fg, bg); - SLtt_set_color (1, NULL, bg, fg); -} - -/* termcap stuff */ - -#ifdef __unix__ - -static int Termcap_Initalized = 0; - -#ifdef USE_TERMCAP -/* Termcap based system */ -static char Termcap_Buf[4096]; -static char Termcap_String_Buf[4096]; -static char *Termcap_String_Ptr; -extern char *tgetstr(char *, char **); -extern int tgetent(char *, char *); -extern int tgetnum(char *); -extern int tgetflag(char *); -#else -/* Terminfo */ -static SLterminfo_Type *Terminfo; -#endif - -#define TGETFLAG(x) (SLtt_tgetflag(x) > 0) - -static char *fixup_tgetstr (char *what) -{ - register char *w, *w1; - char *wsave; - - if (what == NULL) - return NULL; - - /* Check for AIX brain-damage */ - if (*what == '@') - return NULL; - - /* lose pad info --- with today's technology, term is a loser if - it is really needed */ - while ((*what == '.') || - ((*what >= '0') && (*what <= '9'))) what++; - if (*what == '*') what++; - - /* lose terminfo padding--- looks like $<...> */ - w = what; - while (*w) if ((*w++ == '$') && (*w == '<')) - { - w1 = w - 1; - while (*w && (*w != '>')) w++; - if (*w == 0) break; - w++; - wsave = w1; - while ((*w1++ = *w++) != 0); - w = wsave; - } - - if (*what == 0) what = NULL; - return what; -} - -char *SLtt_tgetstr (char *s) -{ - if (Termcap_Initalized == 0) - return NULL; - -#ifdef USE_TERMCAP - s = tgetstr (s, &Termcap_String_Ptr); -#else - s = _SLtt_tigetstr (Terminfo, s); -#endif - return fixup_tgetstr (s); -} - -int SLtt_tgetnum (char *s) -{ - if (Termcap_Initalized == 0) - return -1; -#ifdef USE_TERMCAP - return tgetnum (s); -#else - return _SLtt_tigetnum (Terminfo, s); -#endif -} - -int SLtt_tgetflag (char *s) -{ - if (Termcap_Initalized == 0) - return -1; -#ifdef USE_TERMCAP - return tgetflag (s); -#else - return _SLtt_tigetflag (Terminfo, s); -#endif -} - -static int Vt100_Like = 0; - -void SLtt_get_terminfo (void) -{ - char *term; - int status; - - term = getenv ("TERM"); - if (term == NULL) - SLang_exit_error("TERM environment variable needs set."); - - if (0 == (status = SLtt_initialize (term))) - return; - - if (status == -1) - { - SLang_exit_error ("Unknown terminal: %s\n\ -Check the TERM environment variable.\n\ -Also make sure that the terminal is defined in the terminfo database.\n\ -Alternatively, set the TERMCAP environment variable to the desired\n\ -termcap entry.", - term); - } - - if (status == -2) - { - SLang_exit_error ("\ -Your terminal lacks the ability to clear the screen or position the cursor.\n"); - } -} - -/* Returns 0 if all goes well, -1 if terminal capabilities cannot be deduced, - * or -2 if terminal cannot position the cursor. - */ -int SLtt_initialize (char *term) -{ - char *t, ch; - int is_xterm; - int almost_vtxxx; - - if (SLang_TT_Write_FD == -1) - { - /* Apparantly, this cannot fail according to the man pages. */ - SLang_TT_Write_FD = fileno (stdout); - } - - if (term == NULL) - { - term = getenv ("TERM"); - if (term == NULL) - return -1; - } - - Linux_Console = (!strncmp (term, "linux", 5) -# ifdef linux - || !strncmp(term, "con", 3) -# endif - ); - - t = term; - - if (strcmp(t, "vt52") && (*t++ == 'v') && (*t++ == 't') - && (ch = *t, (ch >= '1') && (ch <= '9'))) Vt100_Like = 1; - - is_xterm = ((0 == strncmp (term, "xterm", 5)) - || (0 == strncmp (term, "rxvt", 4)) - || (0 == strncmp (term, "Eterm", 5))); - - almost_vtxxx = (Vt100_Like - || Linux_Console - || is_xterm - || !strcmp (term, "screen")); - -# ifndef USE_TERMCAP - if (NULL == (Terminfo = _SLtt_tigetent (term))) - { - if (almost_vtxxx) /* Special cases. */ - { - int vt102 = 1; - if (!strcmp (term, "vt100")) vt102 = 0; - get_color_info (); - SLtt_set_term_vtxxx (&vt102); - return 0; - } - return -1; - } -# else /* USE_TERMCAP */ - if (1 != tgetent(Termcap_Buf, term)) - return -1; - Termcap_String_Ptr = Termcap_String_Buf; -# endif /* NOT USE_TERMCAP */ - - Termcap_Initalized = 1; - - Cls_Str = SLtt_tgetstr ("cl"); - Curs_Pos_Str = SLtt_tgetstr ("cm"); - - if ((NULL == (Ins_Mode_Str = SLtt_tgetstr("im"))) - || ( NULL == (Eins_Mode_Str = SLtt_tgetstr("ei"))) - || ( NULL == (Del_Char_Str = SLtt_tgetstr("dc")))) - SLtt_Term_Cannot_Insert = 1; - - Visible_Bell_Str = SLtt_tgetstr ("vb"); - Curs_Up_Str = SLtt_tgetstr ("up"); - Rev_Scroll_Str = SLtt_tgetstr("sr"); - Del_N_Lines_Str = SLtt_tgetstr("DL"); - Add_N_Lines_Str = SLtt_tgetstr("AL"); - - /* Actually these are used to initialize terminals that use cursor - * addressing. Hard to believe. - */ - Term_Init_Str = SLtt_tgetstr ("ti"); - Term_Reset_Str = SLtt_tgetstr ("te"); - - /* If I do this for vtxxx terminals, arrow keys start sending ESC O A, - * which I do not want. This is mainly for HP terminals. - */ - if ((almost_vtxxx == 0) || SLtt_Force_Keypad_Init) - { - Keypad_Init_Str = SLtt_tgetstr ("ks"); - Keypad_Reset_Str = SLtt_tgetstr ("ke"); - } - - /* Make up for defective termcap/terminfo databases */ - if ((Vt100_Like && (term[2] != '1')) - || Linux_Console - || is_xterm - ) - { - if (Del_N_Lines_Str == NULL) Del_N_Lines_Str = "\033[%dM"; - if (Add_N_Lines_Str == NULL) Add_N_Lines_Str = "\033[%dL"; - } - - Scroll_R_Str = SLtt_tgetstr("cs"); - - SLtt_get_screen_size (); - - if ((Scroll_R_Str == NULL) - || (((NULL == Del_N_Lines_Str) || (NULL == Add_N_Lines_Str)) - && (NULL == Rev_Scroll_Str))) - { - if (is_xterm - || Linux_Console - ) - { - /* Defective termcap mode!!!! */ - SLtt_set_term_vtxxx (NULL); - } - else SLtt_Term_Cannot_Scroll = 1; - } - - Del_Eol_Str = SLtt_tgetstr("ce"); - Del_Bol_Str = SLtt_tgetstr("cb"); - if (is_xterm && (Del_Bol_Str == NULL)) - Del_Bol_Str = "\033[1K"; - if (is_xterm && (Del_Eol_Str == NULL)) - Del_Bol_Str = "\033[K"; - - Rev_Vid_Str = SLtt_tgetstr("mr"); - if (Rev_Vid_Str == NULL) Rev_Vid_Str = SLtt_tgetstr("so"); - - Bold_Vid_Str = SLtt_tgetstr("md"); - - /* Although xterm cannot blink, it does display the blinking characters - * as bold ones. Some Rxvt will display the background as high intensity. - */ - if ((NULL == (Blink_Vid_Str = SLtt_tgetstr("mb"))) - && is_xterm) - Blink_Vid_Str = "\033[5m"; - - UnderLine_Vid_Str = SLtt_tgetstr("us"); - - Start_Alt_Chars_Str = SLtt_tgetstr ("as"); /* smacs */ - End_Alt_Chars_Str = SLtt_tgetstr ("ae"); /* rmacs */ - Enable_Alt_Char_Set = SLtt_tgetstr ("eA"); /* enacs */ - SLtt_Graphics_Char_Pairs = SLtt_tgetstr ("ac"); - - if (NULL == SLtt_Graphics_Char_Pairs) - { - /* make up for defective termcap/terminfo */ - if (Vt100_Like) - { - Start_Alt_Chars_Str = "\016"; - End_Alt_Chars_Str = "\017"; - Enable_Alt_Char_Set = "\033)0"; - } - } - - /* aixterm added by willi */ - if (is_xterm || !strncmp (term, "aixterm", 7)) - { - Start_Alt_Chars_Str = "\016"; - End_Alt_Chars_Str = "\017"; - Enable_Alt_Char_Set = "\033(B\033)0"; - } - - if ((SLtt_Graphics_Char_Pairs == NULL) && - ((Start_Alt_Chars_Str == NULL) || (End_Alt_Chars_Str == NULL))) - { - SLtt_Has_Alt_Charset = 0; - Enable_Alt_Char_Set = NULL; - } - else SLtt_Has_Alt_Charset = 1; - -#ifdef AMIGA - Enable_Alt_Char_Set = Start_Alt_Chars_Str = End_Alt_Chars_Str = NULL; -#endif - - /* status line capabilities */ - if ((SLtt_Has_Status_Line == -1) - && (0 != (SLtt_Has_Status_Line = TGETFLAG ("hs")))) - { - Disable_Status_line_Str = SLtt_tgetstr ("ds"); - Return_From_Status_Line_Str = SLtt_tgetstr ("fs"); - Goto_Status_Line_Str = SLtt_tgetstr ("ts"); - /* Status_Line_Esc_Ok = TGETFLAG("es"); */ - Num_Status_Line_Columns = SLtt_tgetnum ("ws"); - if (Num_Status_Line_Columns < 0) Num_Status_Line_Columns = 0; - } - - if (NULL == (Norm_Vid_Str = SLtt_tgetstr("me"))) - { - Norm_Vid_Str = SLtt_tgetstr("se"); - } - - Cursor_Invisible_Str = SLtt_tgetstr("vi"); - Cursor_Visible_Str = SLtt_tgetstr("ve"); - - Curs_F_Str = SLtt_tgetstr("RI"); - -# if 0 - if (NULL != Curs_F_Str) - { - Len_Curs_F_Str = strlen(Curs_F_Str); - } - else Len_Curs_F_Str = strlen(Curs_Pos_Str); -# endif - - Automatic_Margins = TGETFLAG ("am"); - /* No_Move_In_Standout = !TGETFLAG ("ms"); */ -# ifdef HP_GLITCH_CODE - Has_HP_Glitch = TGETFLAG ("xs"); -# else - Worthless_Highlight = TGETFLAG ("xs"); -# endif - - if (Worthless_Highlight == 0) - { /* Magic cookie glitch */ - Worthless_Highlight = (SLtt_tgetnum ("sg") > 0); - } - - if (Worthless_Highlight) - SLtt_Has_Alt_Charset = 0; - - Reset_Color_String = SLtt_tgetstr ("op"); - Color_Fg_Str = SLtt_tgetstr ("AF"); /* ANSI setaf */ - Color_Bg_Str = SLtt_tgetstr ("AB"); /* ANSI setbf */ - if ((Color_Fg_Str == NULL) || (Color_Bg_Str == NULL)) - { - Color_Fg_Str = SLtt_tgetstr ("Sf"); /* setf */ - Color_Bg_Str = SLtt_tgetstr ("Sb"); /* setb */ - } - - if ((Max_Terminfo_Colors = SLtt_tgetnum ("Co")) < 0) - Max_Terminfo_Colors = 8; - - if ((Color_Bg_Str != NULL) && (Color_Fg_Str != NULL)) - SLtt_Use_Ansi_Colors = 1; - else - { -#if 0 - Color_Fg_Str = "%?%p1%{7}%>%t\033[1;3%p1%{8}%m%dm%e\033[3%p1%dm%;"; - Color_Bg_Str = "%?%p1%{7}%>%t\033[5;4%p1%{8}%m%dm%e\033[4%p1%dm%;"; - Max_Terminfo_Colors = 16; -#else - Color_Fg_Str = "\033[3%dm"; - Color_Bg_Str = "\033[4%dm"; - Max_Terminfo_Colors = 8; -#endif - } - -#if SLTT_HAS_NON_BCE_SUPPORT - Can_Background_Color_Erase = TGETFLAG ("ut"); /* bce */ - /* Modern xterms have the BCE capability as well as the linux console */ - if (Can_Background_Color_Erase == 0) - { - Can_Background_Color_Erase = (Linux_Console -# if SLTT_XTERM_ALWAYS_BCE - || is_xterm -# endif - ); - } -#endif - get_color_info (); - - - if ((Cls_Str == NULL) - || (Curs_Pos_Str == NULL)) - return -2; - - return 0; -} - -#endif -/* Unix */ - -/* specific to vtxxx only */ -void SLtt_enable_cursor_keys (void) -{ -#ifdef __unix__ - if (Vt100_Like) -#endif - tt_write_string("\033=\033[?1l"); -} - -#ifdef VMS -int SLtt_initialize (char *term) -{ - SLtt_get_terminfo (); - return 0; -} - -void SLtt_get_terminfo () -{ - int zero = 0; - - Color_Fg_Str = "\033[3%dm"; - Color_Bg_Str = "\033[4%dm"; - Max_Terminfo_Colors = 8; - - get_color_info (); - - SLtt_set_term_vtxxx(&zero); - Start_Alt_Chars_Str = "\016"; - End_Alt_Chars_Str = "\017"; - SLtt_Has_Alt_Charset = 1; - SLtt_Graphics_Char_Pairs = "aaffgghhjjkkllmmnnooqqssttuuvvwwxx"; - Enable_Alt_Char_Set = "\033(B\033)0"; - SLtt_get_screen_size (); -} -#endif - -/* This sets term for vt102 terminals it parameter vt100 is 0. If vt100 - * is non-zero, set terminal appropriate for a only vt100 - * (no add line capability). */ - -void SLtt_set_term_vtxxx(int *vt100) -{ - Norm_Vid_Str = "\033[m"; - - Scroll_R_Str = "\033[%i%d;%dr"; - Cls_Str = "\033[2J\033[H"; - Rev_Vid_Str = "\033[7m"; - Bold_Vid_Str = "\033[1m"; - Blink_Vid_Str = "\033[5m"; - UnderLine_Vid_Str = "\033[4m"; - Del_Eol_Str = "\033[K"; - Del_Bol_Str = "\033[1K"; - Rev_Scroll_Str = "\033M"; - Curs_F_Str = "\033[%dC"; - /* Len_Curs_F_Str = 5; */ - Curs_Pos_Str = "\033[%i%d;%dH"; - if ((vt100 == NULL) || (*vt100 == 0)) - { - Ins_Mode_Str = "\033[4h"; - Eins_Mode_Str = "\033[4l"; - Del_Char_Str = "\033[P"; - Del_N_Lines_Str = "\033[%dM"; - Add_N_Lines_Str = "\033[%dL"; - SLtt_Term_Cannot_Insert = 0; - } - else - { - Del_N_Lines_Str = NULL; - Add_N_Lines_Str = NULL; - SLtt_Term_Cannot_Insert = 1; - } - SLtt_Term_Cannot_Scroll = 0; - /* No_Move_In_Standout = 0; */ -} - -int SLtt_init_video (void) -{ - /* send_string_to_term("\033[?6h"); */ - /* relative origin mode */ - tt_write_string (Term_Init_Str); - tt_write_string (Keypad_Init_Str); - SLtt_reset_scroll_region(); - SLtt_end_insert(); - tt_write_string (Enable_Alt_Char_Set); - Video_Initialized = 1; - return 0; -} - -int SLtt_reset_video (void) -{ - SLtt_goto_rc (SLtt_Screen_Rows - 1, 0); - Cursor_Set = 0; - SLtt_normal_video (); /* MSKermit requires this */ - tt_write_string(Norm_Vid_Str); - - Current_Fgbg = 0xFFFFFFFFU; - SLtt_set_alt_char_set (0); - if (SLtt_Use_Ansi_Colors) - { - if (Reset_Color_String == NULL) - { - SLtt_Char_Type attr; - if (-1 != make_color_fgbg (NULL, NULL, &attr)) - write_attributes (attr); - else tt_write_string ("\033[0m\033[m"); - } - else tt_write_string (Reset_Color_String); - Current_Fgbg = 0xFFFFFFFFU; - } - SLtt_erase_line (); - tt_write_string (Keypad_Reset_Str); - tt_write_string (Term_Reset_Str); - SLtt_flush_output (); - Video_Initialized = 0; - return 0; -} - -void SLtt_bold_video (void) -{ - tt_write_string (Bold_Vid_Str); -} - -int SLtt_set_mouse_mode (int mode, int force) -{ - char *term; - - if (force == 0) - { - if (NULL == (term = (char *) getenv("TERM"))) return -1; - if (strncmp ("xterm", term, 5)) - return -1; - } - - if (mode) - tt_write_string ("\033[?9h"); - else - tt_write_string ("\033[?9l"); - - return 0; -} - -void SLtt_disable_status_line (void) -{ - if (SLtt_Has_Status_Line > 0) - { - tt_write_string (Disable_Status_line_Str); - SLtt_flush_output (); - } -} - -int SLtt_write_to_status_line (char *s, int col) -{ - if ((SLtt_Has_Status_Line <= 0) - || (Goto_Status_Line_Str == NULL) - || (Return_From_Status_Line_Str == NULL)) - return -1; - - tt_printf (Goto_Status_Line_Str, col, 0); - tt_write_string (s); - tt_write_string (Return_From_Status_Line_Str); - return 0; -} - -void SLtt_get_screen_size (void) -{ -#ifdef VMS - int status, code; - unsigned short chan; - $DESCRIPTOR(dev_dsc, "SYS$INPUT:"); -#endif - int r = 0, c = 0; - -#ifdef TIOCGWINSZ - struct winsize wind_struct; - - do - { - if ((ioctl(1,TIOCGWINSZ,&wind_struct) == 0) - || (ioctl(0, TIOCGWINSZ, &wind_struct) == 0) - || (ioctl(2, TIOCGWINSZ, &wind_struct) == 0)) - { - c = (int) wind_struct.ws_col; - r = (int) wind_struct.ws_row; - break; - } - } - while (errno == EINTR); - -#endif - -#ifdef VMS - status = sys$assign(&dev_dsc,&chan,0,0,0); - if (status & 1) - { - code = DVI$_DEVBUFSIZ; - status = lib$getdvi(&code, &chan,0, &c, 0,0); - if (!(status & 1)) - c = 80; - code = DVI$_TT_PAGE; - status = lib$getdvi(&code, &chan,0, &r, 0,0); - if (!(status & 1)) - r = 24; - sys$dassgn(chan); - } -#endif - - if (r <= 0) - { - char *s = getenv ("LINES"); - if (s != NULL) r = atoi (s); - } - - if (c <= 0) - { - char *s = getenv ("COLUMNS"); - if (s != NULL) c = atoi (s); - } - - if (r <= 0) r = 24; - if (c <= 0) c = 80; -#if 0 - if ((r <= 0) || (r > 200)) r = 24; - if ((c <= 0) || (c > 250)) c = 80; -#endif - SLtt_Screen_Rows = r; - SLtt_Screen_Cols = c; -} - -#if SLTT_HAS_NON_BCE_SUPPORT -int _SLtt_get_bce_color_offset (void) -{ - if ((SLtt_Use_Ansi_Colors == 0) - || Can_Background_Color_Erase - || SLtt_Use_Blink_For_ACS) /* in this case, we cannot lose a color */ - Bce_Color_Offset = 0; - else - { - if (GET_BG(Ansi_Color_Map[0].fgbg) == SLSMG_COLOR_DEFAULT) - Bce_Color_Offset = 0; - else - Bce_Color_Offset = 1; - } - - return Bce_Color_Offset; -} -#endif diff --git a/mdk-stage1/slang/slerr.c b/mdk-stage1/slang/slerr.c deleted file mode 100644 index 139b3859b..000000000 --- a/mdk-stage1/slang/slerr.c +++ /dev/null @@ -1,181 +0,0 @@ -/* error handling common to all routines. */ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -void (*SLang_VMessage_Hook) (char *, va_list); -void (*SLang_Error_Hook)(char *); -void (*SLang_Exit_Error_Hook)(char *, va_list); -volatile int SLang_Error = 0; -char *SLang_Error_Message; -volatile int SLKeyBoard_Quit = 0; - -static char *get_error_string (void) -{ - char *str; - - if (!SLang_Error) SLang_Error = SL_UNKNOWN_ERROR; - if (SLang_Error_Message != NULL) str = SLang_Error_Message; - else switch(SLang_Error) - { - case SL_NOT_IMPLEMENTED: str = "Not Implemented"; break; - case SL_APPLICATION_ERROR: str = "Application Error"; break; - case SL_VARIABLE_UNINITIALIZED: str = "Variable Uninitialized"; break; - case SL_MALLOC_ERROR : str = "Malloc Error"; break; - case SL_INTERNAL_ERROR: str = "Internal Error"; break; - case SL_STACK_OVERFLOW: str = "Stack Overflow"; break; - case SL_STACK_UNDERFLOW: str = "Stack Underflow"; break; - case SL_INTRINSIC_ERROR: str = "Intrinsic Error"; break; - case SL_USER_BREAK: str = "User Break"; break; - case SL_UNDEFINED_NAME: str = "Undefined Name"; break; - case SL_SYNTAX_ERROR: str = "Syntax Error"; break; - case SL_DUPLICATE_DEFINITION: str = "Duplicate Definition"; break; - case SL_TYPE_MISMATCH: str = "Type Mismatch"; break; - case SL_READONLY_ERROR: str = "Variable is read-only"; break; - case SL_DIVIDE_ERROR: str = "Divide by zero"; break; - case SL_OBJ_NOPEN: str = "Object not opened"; break; - case SL_OBJ_UNKNOWN: str = "Object unknown"; break; - case SL_INVALID_PARM: str = "Invalid Parameter"; break; - case SL_TYPE_UNDEFINED_OP_ERROR: - str = "Operation not defined for datatype"; break; - case SL_USER_ERROR: - str = "User Error"; break; - case SL_USAGE_ERROR: - str = "Illegal usage of function"; - break; - case SL_FLOATING_EXCEPTION: - str = "Floating Point Exception"; - break; - case SL_UNKNOWN_ERROR: - default: str = "Unknown Error Code"; - } - - SLang_Error_Message = NULL; - return str; -} - -void SLang_doerror (char *error) -{ - char *str = NULL; - char *err; - char *malloced_err_buf; - char err_buf [1024]; - - malloced_err_buf = NULL; - - if (((SLang_Error == SL_USER_ERROR) - || (SLang_Error == SL_USAGE_ERROR)) - && (error != NULL) && (*error != 0)) - err = error; - else - { - char *sle = "S-Lang Error: "; - unsigned int len; - char *fmt; - - str = get_error_string (); - - fmt = "%s%s%s"; - if ((error == NULL) || (*error == 0)) - error = ""; - else if (SLang_Error == SL_UNKNOWN_ERROR) - /* Do not display an unknown error message if error is non-NULL */ - str = ""; - else - fmt = "%s%s: %s"; - - len = strlen (sle) + strlen (str) + strlen(error) + 1; - - err = err_buf; - if (len >= sizeof (err_buf)) - { - if (NULL == (malloced_err_buf = SLmalloc (len))) - err = NULL; - else - err = malloced_err_buf; - } - - if (err != NULL) sprintf (err, fmt, sle, str, error); - else err = "Out of memory"; - } - - if (SLang_Error_Hook == NULL) - { - fputs (err, stderr); - fputs("\r\n", stderr); - fflush (stderr); - } - else - (*SLang_Error_Hook)(err); - - SLfree (malloced_err_buf); -} - -void SLang_verror (int err_code, char *fmt, ...) -{ - va_list ap; - char err [1024]; - - if (err_code == 0) err_code = SL_INTRINSIC_ERROR; - if (SLang_Error == 0) SLang_Error = err_code; - - if (fmt != NULL) - { - va_start(ap, fmt); - (void) _SLvsnprintf (err, sizeof (err), fmt, ap); - fmt = err; - va_end(ap); - } - - SLang_doerror (fmt); -} - -void SLang_exit_error (char *fmt, ...) -{ - va_list ap; - - va_start (ap, fmt); - if (SLang_Exit_Error_Hook != NULL) - { - (*SLang_Exit_Error_Hook) (fmt, ap); - exit (1); - } - - if (fmt != NULL) - { - vfprintf (stderr, fmt, ap); - fputs ("\r\n", stderr); - fflush (stderr); - } - va_end (ap); - - exit (1); -} - -void SLang_vmessage (char *fmt, ...) -{ - va_list ap; - - if (fmt == NULL) - return; - - va_start (ap, fmt); - - if (SLang_VMessage_Hook != NULL) - (*SLang_VMessage_Hook) (fmt, ap); - else - { - vfprintf (stdout, fmt, ap); - fputs ("\r\n", stdout); - } - - va_end (ap); -} diff --git a/mdk-stage1/slang/slerrno.c b/mdk-stage1/slang/slerrno.c deleted file mode 100644 index 662fadde1..000000000 --- a/mdk-stage1/slang/slerrno.c +++ /dev/null @@ -1,219 +0,0 @@ -/* The point of this file is to handle errno values in a system independent - * way so that they may be used in slang scripts. - */ -/* Copyright (c) 1998, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ -#include "slinclud.h" - -#include <errno.h> -#include "slang.h" -#include "_slang.h" - -typedef struct -{ - char *msg; - int sys_errno; - char *symbolic_name; -} -Errno_Map_Type; - -static Errno_Map_Type Errno_Map [] = -{ -#ifndef EPERM -# define EPERM -1 -#endif - {"Not owner", EPERM, "EPERM"}, -#ifndef ENOENT -# define ENOENT -1 -#endif - {"No such file or directory", ENOENT, "ENOENT"}, -#ifndef ESRCH -# define ESRCH -1 -#endif - {"No such process", ESRCH, "ESRCH"}, -#ifndef EINTR -# define EINTR -1 -#endif - {"Interrupted system call", EINTR, "EINTR"}, -#ifndef EIO -# define EIO -1 -#endif - {"I/O error", EIO, "EIO"}, -#ifndef ENXIO -# define ENXIO -1 -#endif - {"No such device or address", ENXIO, "ENXIO"}, -#ifndef E2BIG -# define E2BIG -1 -#endif - {"Arg list too long", E2BIG, "E2BIG"}, -#ifndef ENOEXEC -# define ENOEXEC -1 -#endif - {"Exec format error", ENOEXEC,"ENOEXEC"}, -#ifndef EBADF -# define EBADF -1 -#endif - {"Bad file number", EBADF, "EBADF"}, -#ifndef ECHILD -# define ECHILD -1 -#endif - {"No children", ECHILD, "ECHILD"}, -#ifndef EAGAIN -# define EAGAIN -1 -#endif - {"Try again", EAGAIN, "EAGAIN"}, -#ifndef ENOMEM -# define ENOMEM -1 -#endif - {"Not enough core", ENOMEM, "ENOMEM"}, -#ifndef EACCES -# define EACCES -1 -#endif - {"Permission denied", EACCES, "EACCES"}, -#ifndef EFAULT -# define EFAULT -1 -#endif - {"Bad address", EFAULT, "EFAULT"}, -#ifndef ENOTBLK -# define ENOTBLK -1 -#endif - {"Block device required", ENOTBLK, "ENOTBLK"}, -#ifndef EBUSY -# define EBUSY -1 -#endif - {"Mount device busy", EBUSY, "EBUSY"}, -#ifndef EEXIST -# define EEXIST -1 -#endif - {"File exists", EEXIST, "EEXIST"}, -#ifndef EXDEV -# define EXDEV -1 -#endif - {"Cross-device link", EXDEV, "EXDEV"}, -#ifndef ENODEV -# define ENODEV -1 -#endif - {"No such device", ENODEV, "ENODEV"}, -#ifndef ENOTDIR -# define ENOTDIR -1 -#endif - {"Not a directory", ENOTDIR, "ENOTDIR"}, -#ifndef EISDIR -# define EISDIR -1 -#endif - {"Is a directory", EISDIR, "EISDIR"}, -#ifndef EINVAL -# define EINVAL -1 -#endif - {"Invalid argument", EINVAL, "EINVAL"}, -#ifndef ENFILE -# define ENFILE -1 -#endif - {"File table overflow", ENFILE, "ENFILE"}, -#ifndef EMFILE -# define EMFILE -1 -#endif - {"Too many open files", EMFILE, "EMFILE"}, -#ifndef ENOTTY -# define ENOTTY -1 -#endif - {"Not a typewriter", ENOTTY, "ENOTTY"}, -#ifndef ETXTBSY -# define ETXTBSY -1 -#endif - {"Text file busy", ETXTBSY, "ETXTBSY"}, -#ifndef EFBIG -# define EFBIG -1 -#endif - {"File too large", EFBIG, "EFBIG"}, -#ifndef ENOSPC -# define ENOSPC -1 -#endif - {"No space left on device", ENOSPC, "ENOSPC"}, -#ifndef ESPIPE -# define ESPIPE -1 -#endif - {"Illegal seek", ESPIPE, "ESPIPE"}, -#ifndef EROFS -# define EROFS -1 -#endif - {"Read-only file system", EROFS, "EROFS"}, -#ifndef EMLINK -# define EMLINK -1 -#endif - {"Too many links", EMLINK, "EMLINK"}, -#ifndef EPIPE -# define EPIPE -1 -#endif - {"Broken pipe", EPIPE, "EPIPE"}, -#ifndef ELOOP -# define ELOOP -1 -#endif - {"Too many levels of symbolic links",ELOOP, "ELOOP"}, -#ifndef ENAMETOOLONG -# define ENAMETOOLONG -1 -#endif - {"File name too long", ENAMETOOLONG, "ENAMETOOLONG"}, - - {NULL, 0, NULL} -}; - -int _SLerrno_errno; - -int SLerrno_set_errno (int sys_errno) -{ - _SLerrno_errno = sys_errno; - return 0; -} - -char *SLerrno_strerror (int sys_errno) -{ - Errno_Map_Type *e; - - e = Errno_Map; - while (e->msg != NULL) - { - if (e->sys_errno == sys_errno) - return e->msg; - - e++; - } - - if (sys_errno == SL_ERRNO_NOT_IMPLEMENTED) - return "System call not available for this platform"; - - return "Unknown error"; -} - -static char *intrin_errno_string (int *sys_errno) -{ - return SLerrno_strerror (*sys_errno); -} - -int _SLerrno_init (void) -{ - static Errno_Map_Type *e; - - if (e != NULL) /* already initialized */ - return 0; - - if ((-1 == SLadd_intrinsic_function ("errno_string", (FVOID_STAR) intrin_errno_string, - SLANG_STRING_TYPE, 1, SLANG_INT_TYPE)) - || (-1 == SLadd_intrinsic_variable ("errno", (VOID_STAR)&_SLerrno_errno, SLANG_INT_TYPE, 1))) - return -1; - - e = Errno_Map; - while (e->msg != NULL) - { - if (-1 == SLadd_intrinsic_variable (e->symbolic_name, (VOID_STAR) &e->sys_errno, SLANG_INT_TYPE, 1)) - return -1; - e++; - } - - return 0; -} diff --git a/mdk-stage1/slang/slgetkey.c b/mdk-stage1/slang/slgetkey.c deleted file mode 100644 index 2f2914f07..000000000 --- a/mdk-stage1/slang/slgetkey.c +++ /dev/null @@ -1,306 +0,0 @@ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -unsigned int SLang_Input_Buffer_Len = 0; -unsigned char SLang_Input_Buffer [SL_MAX_INPUT_BUFFER_LEN]; - -int SLang_Abort_Char = 7; -int SLang_Ignore_User_Abort = 0; - -/* This has the effect of mapping all characters in the range 128-169 to - * ESC [ something - */ - -unsigned int SLang_getkey (void) -{ - unsigned int imax; - unsigned int ch; - - if (SLang_Input_Buffer_Len) - { - ch = (unsigned int) *SLang_Input_Buffer; - SLang_Input_Buffer_Len--; - imax = SLang_Input_Buffer_Len; - - SLMEMCPY ((char *) SLang_Input_Buffer, - (char *) (SLang_Input_Buffer + 1), imax); - } - else if (SLANG_GETKEY_ERROR == (ch = _SLsys_getkey ())) return ch; - -#if _SLANG_MAP_VTXXX_8BIT -# if !defined(IBMPC_SYSTEM) - if (ch & 0x80) - { - unsigned char i; - i = (unsigned char) (ch & 0x7F); - if (i < ' ') - { - i += 64; - SLang_ungetkey (i); - ch = 27; - } - } -# endif -#endif - return(ch); -} - -int SLang_ungetkey_string (unsigned char *s, unsigned int n) -{ - register unsigned char *bmax, *b, *b1; - if (SLang_Input_Buffer_Len + n + 3 > SL_MAX_INPUT_BUFFER_LEN) - return -1; - - b = SLang_Input_Buffer; - bmax = (b - 1) + SLang_Input_Buffer_Len; - b1 = bmax + n; - while (bmax >= b) *b1-- = *bmax--; - bmax = b + n; - while (b < bmax) *b++ = *s++; - SLang_Input_Buffer_Len += n; - return 0; -} - -int SLang_buffer_keystring (unsigned char *s, unsigned int n) -{ - - if (n + SLang_Input_Buffer_Len + 3 > SL_MAX_INPUT_BUFFER_LEN) return -1; - - SLMEMCPY ((char *) SLang_Input_Buffer + SLang_Input_Buffer_Len, - (char *) s, n); - SLang_Input_Buffer_Len += n; - return 0; -} - -int SLang_ungetkey (unsigned char ch) -{ - return SLang_ungetkey_string(&ch, 1); -} - -int SLang_input_pending (int tsecs) -{ - int n; - unsigned char c; - if (SLang_Input_Buffer_Len) return (int) SLang_Input_Buffer_Len; - - n = _SLsys_input_pending (tsecs); - - if (n <= 0) return 0; - - c = (unsigned char) SLang_getkey (); - SLang_ungetkey_string (&c, 1); - - return n; -} - -void SLang_flush_input (void) -{ - int quit = SLKeyBoard_Quit; - - SLang_Input_Buffer_Len = 0; - SLKeyBoard_Quit = 0; - while (_SLsys_input_pending (0) > 0) - { - (void) _SLsys_getkey (); - /* Set this to 0 because _SLsys_getkey may stuff keyboard buffer if - * key sends key sequence (OS/2, DOS, maybe VMS). - */ - SLang_Input_Buffer_Len = 0; - } - SLKeyBoard_Quit = quit; -} - -#ifdef IBMPC_SYSTEM -static int Map_To_ANSI; -int SLgetkey_map_to_ansi (int enable) -{ - Map_To_ANSI = enable; - return 0; -} - -static int convert_scancode (unsigned int scan, - unsigned int shift, - int getkey, - unsigned int *ret_key) -{ - unsigned char buf[16]; - unsigned char *b; - unsigned char end; - int is_arrow; - - shift &= (_SLTT_KEY_ALT|_SLTT_KEY_SHIFT|_SLTT_KEY_CTRL); - - b = buf; - if (_SLTT_KEY_ALT == shift) - { - shift = 0; - *b++ = 27; - } - *b++ = 27; - *b++ = '['; - - is_arrow = 0; - end = '~'; - if (shift) - { - if (shift == _SLTT_KEY_CTRL) - end = '^'; - else if (shift == _SLTT_KEY_SHIFT) - end = '$'; - else shift = 0; - } - - /* These mappings correspond to what rxvt produces under Linux */ - switch (scan & 0xFF) - { - default: - return -1; - - case 0x47: /* home */ - *b++ = '1'; - break; - case 0x48: /* up */ - end = 'A'; - is_arrow = 1; - break; - case 0x49: /* PgUp */ - *b++ = '5'; - break; - case 0x4B: /* Left */ - end = 'D'; - is_arrow = 1; - break; - case 0x4D: /* Right */ - end = 'C'; - is_arrow = 1; - break; - case 0x4F: /* End */ - *b++ = '4'; - break; - case 0x50: /* Down */ - end = 'B'; - is_arrow = 1; - break; - case 0x51: /* PgDn */ - *b++ = '6'; - break; - case 0x52: /* Insert */ - *b++ = '2'; - break; - case 0x53: /* Delete */ - *b++ = '3'; - break; - case ';': /* F1 */ - *b++ = '1'; - *b++ = '1'; - break; - case '<': /* F2 */ - *b++ = '1'; - *b++ = '2'; - break; - case '=': /* F3 */ - *b++ = '1'; - *b++ = '3'; - break; - - case '>': /* F4 */ - *b++ = '1'; - *b++ = '4'; - break; - - case '?': /* F5 */ - *b++ = '1'; - *b++ = '5'; - break; - - case '@': /* F6 */ - *b++ = '1'; - *b++ = '7'; - break; - - case 'A': /* F7 */ - *b++ = '1'; - *b++ = '8'; - break; - - case 'B': /* F8 */ - *b++ = '1'; - *b++ = '9'; - break; - - case 'C': /* F9 */ - *b++ = '2'; - *b++ = '0'; - break; - - case 'D': /* F10 */ - *b++ = '2'; - *b++ = '1'; - break; - - case 0x57: /* F11 */ - *b++ = '2'; - *b++ = '3'; - break; - - case 0x58: /* F12 */ - *b++ = '2'; - *b++ = '4'; - break; - } - - if (is_arrow && shift) - { - if (shift == _SLTT_KEY_CTRL) - end &= 0x1F; - else - end |= 0x20; - } - *b++ = end; - - if (getkey) - { - (void) SLang_buffer_keystring (buf + 1, (unsigned int) (b - (buf + 1))); - *ret_key = buf[0]; - return 0; - } - - (void) SLang_buffer_keystring (buf, (unsigned int) (b - buf)); - return 0; -} - - -unsigned int _SLpc_convert_scancode (unsigned int scan, - unsigned int shift, - int getkey) -{ - unsigned char buf[16]; - - if (Map_To_ANSI) - { - if (0 == convert_scancode (scan, shift, getkey, &scan)) - return scan; - } - - if (getkey) - { - buf[0] = scan & 0xFF; - SLang_buffer_keystring (buf, 1); - return (scan >> 8) & 0xFF; - } - buf[0] = (scan >> 8) & 0xFF; - buf[1] = scan & 0xFF; - (void) SLang_buffer_keystring (buf, 2); - return 0; -} - -#endif diff --git a/mdk-stage1/slang/slimport.c b/mdk-stage1/slang/slimport.c deleted file mode 100644 index 44b4b25e1..000000000 --- a/mdk-stage1/slang/slimport.c +++ /dev/null @@ -1,281 +0,0 @@ -/* Copyright (c) 1998, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -#define SLANG_HAS_DYNAMIC_LINKING 1 - -#ifndef HAVE_DLFCN_H -# undef SLANG_HAS_DYNAMIC_LINKING -# define SLANG_HAS_DYNAMIC_LINKING 0 -#endif - -/* The rest of this file is in the if block */ -#if SLANG_HAS_DYNAMIC_LINKING - -#ifdef HAVE_DLFCN_H -# include <dlfcn.h> -#endif - -static char *Module_Path; -#define MODULE_PATH_ENV_NAME "SLANG_MODULE_PATH" -#ifndef MODULE_INSTALL_DIR -# define MODULE_INSTALL_DIR "/usr/local/lib/slang/modules" -#endif - -typedef struct _Handle_Type -{ - struct _Handle_Type *next; - char *name; - VOID_STAR handle; - void (*deinit_fun) (void); -} -Handle_Type; - -static Handle_Type *Handle_List; - -static void delete_handles (void) -{ - while (Handle_List != NULL) - { - Handle_Type *next = Handle_List->next; - - if (Handle_List->deinit_fun != NULL) - Handle_List->deinit_fun (); - (void) dlclose (Handle_List->handle); - SLang_free_slstring (Handle_List->name); - SLfree ((char *)Handle_List); - Handle_List = next; - } -} - -static Handle_Type *save_handle (char *name, VOID_STAR h, void (*df)(void)) -{ - Handle_Type *l; - - l = (Handle_Type *) SLmalloc (sizeof (Handle_Type)); - if (l == NULL) - return NULL; - memset ((char *) l, 0, sizeof(Handle_Type)); - if (NULL == (l->name = SLang_create_slstring (name))) - { - SLfree ((char *) l); - return NULL; - } - l->handle = h; - l->next = Handle_List; - l->deinit_fun = df; - Handle_List = l; - - return l; -} - -static Handle_Type *find_handle (char *name) -{ - Handle_Type *l; - - l = Handle_List; - while (l != NULL) - { - if (0 == strcmp (l->name, name)) - break; - l = l->next; - } - return l; -} - -static int import_from_library (char *name, - char *init_fun_name, char *deinit_fun_name, - char *file, - char *ns, - char *ns_init_fun_name) -{ - VOID_STAR handle; - int (*init_fun) (void); - int (*ns_init_fun) (char *); - void (*deinit_fun) (void); - char *err; - char filebuf[1024]; - char *fun_name; - - if (NULL != find_handle (name)) - return 0; /* already loaded */ - - while (1) - { -#ifndef RTLD_GLOBAL -# define RTLD_GLOBAL 0 -#endif -#ifdef RTLD_NOW - handle = (VOID_STAR) dlopen (file, RTLD_NOW | RTLD_GLOBAL); -#else - handle = (VOID_STAR) dlopen (file, RTLD_LAZY | RTLD_GLOBAL); -#endif - - if (handle != NULL) - break; - - if (NULL == strchr (file, '/')) - { - _SLsnprintf (filebuf, sizeof (filebuf), "./%s", file); - file = filebuf; - continue; - } - - if (NULL == (err = (char *) dlerror ())) - err = "UNKNOWN"; - - SLang_verror (SL_INTRINSIC_ERROR, - "Error linking to %s: %s", file, err); - return -1; - } - - fun_name = ns_init_fun_name; - ns_init_fun = (int (*)(char *)) dlsym (handle, fun_name); - if (ns_init_fun == NULL) - { - if ((ns != NULL) - && (0 != strcmp (ns, "Global"))) - goto return_error; - - fun_name = init_fun_name; - init_fun = (int (*)(void)) dlsym (handle, fun_name); - if (init_fun == NULL) - goto return_error; - - if (-1 == (*init_fun) ()) - { - dlclose (handle); - return -1; - } - } - else if (-1 == (*ns_init_fun) (ns)) - { - dlclose (handle); - return -1; - } - - - deinit_fun = (void (*)(void)) dlsym (handle, deinit_fun_name); - - (void) save_handle (name, handle, deinit_fun); - return 0; - - return_error: - - if (NULL == (err = (char *) dlerror ())) - err = "UNKNOWN"; - - dlclose (handle); - SLang_verror (SL_INTRINSIC_ERROR, - "Unable to get symbol %s from %s: %s", - name, file, err); - return -1; -} - -static void import_module (void) -{ - char module_name[256]; - char symbol_name[256]; - char deinit_name[256]; - char ns_init_name[256]; - char *path; - char *file; - char *module; - char *ns = NULL; - - if (SLang_Num_Function_Args == 2) - { - if (-1 == SLang_pop_slstring (&ns)) - return; - } - - if (-1 == SLang_pop_slstring (&module)) - { - SLang_free_slstring (ns); /* NULL ok */ - return; - } - - _SLsnprintf (symbol_name, sizeof(symbol_name), "init_%s_module", module); - _SLsnprintf (module_name, sizeof(module_name), "%s-module.so", module); - _SLsnprintf (deinit_name, sizeof(deinit_name), "deinit_%s_module", module); - _SLsnprintf (ns_init_name, sizeof (ns_init_name), "init_%s_module_ns", module); - - if (Module_Path != NULL) - file = SLpath_find_file_in_path (Module_Path, module_name); - else file = NULL; - - if ((file == NULL) - && (NULL != (path = getenv (MODULE_PATH_ENV_NAME)))) - file = SLpath_find_file_in_path (path, module_name); - - if (file == NULL) - file = SLpath_find_file_in_path (MODULE_INSTALL_DIR, module_name); - - if (file != NULL) - { - (void) import_from_library (symbol_name, symbol_name, deinit_name, file, ns, ns_init_name); - SLfree (file); - } - else - { - /* Maybe the system loader can find it in LD_LIBRARY_PATH */ - (void) import_from_library (symbol_name, symbol_name, deinit_name, module_name, ns, ns_init_name); - } -} - -static void set_import_module_path (char *path) -{ - (void) SLang_set_module_load_path (path); -} - -static char *get_import_module_path (void) -{ - char *path; - if (Module_Path != NULL) - return Module_Path; - if (NULL != (path = getenv (MODULE_PATH_ENV_NAME))) - return path; - return MODULE_INSTALL_DIR; -} - -static SLang_Intrin_Fun_Type Module_Intrins [] = -{ - MAKE_INTRINSIC_0("import", import_module, SLANG_VOID_TYPE), - MAKE_INTRINSIC_S("set_import_module_path", set_import_module_path, SLANG_VOID_TYPE), - MAKE_INTRINSIC_0("get_import_module_path", get_import_module_path, SLANG_STRING_TYPE), - SLANG_END_INTRIN_FUN_TABLE -}; - -#endif /* SLANG_HAS_DYNAMIC_LINKING */ - -int SLang_set_module_load_path (char *path) -{ -#if SLANG_HAS_DYNAMIC_LINKING - if (NULL == (path = SLang_create_slstring (path))) - return -1; - SLang_free_slstring (Module_Path); - Module_Path = path; - return 0; -#else - (void) path; - return -1; -#endif -} - -int SLang_init_import (void) -{ -#if SLANG_HAS_DYNAMIC_LINKING - (void) SLang_add_cleanup_function (delete_handles); - return SLadd_intrin_fun_table (Module_Intrins, "__IMPORT__"); -#else - return 0; -#endif -} diff --git a/mdk-stage1/slang/slinclud.h b/mdk-stage1/slang/slinclud.h deleted file mode 100644 index d60a4423e..000000000 --- a/mdk-stage1/slang/slinclud.h +++ /dev/null @@ -1,26 +0,0 @@ -#ifndef _SLANG_INCLUDE_H_ -#define _SLANG_INCLUDE_H_ - -#include "config.h" -#include "sl-feat.h" - -#include <stdio.h> -#include <string.h> - -#ifdef HAVE_STDLIB_H -# include <stdlib.h> -#endif - -#ifdef HAVE_UNISTD_H -# include <unistd.h> -#endif - -#ifdef HAVE_MALLOC_H -# include <malloc.h> -#endif - -#ifdef HAVE_MEMORY_H -# include <memory.h> -#endif - -#endif /* _SLANG_INCLUDE_H_ */ diff --git a/mdk-stage1/slang/slintall.c b/mdk-stage1/slang/slintall.c deleted file mode 100644 index a66b9d6d2..000000000 --- a/mdk-stage1/slang/slintall.c +++ /dev/null @@ -1,27 +0,0 @@ -/* Copyright (c) 1998, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -int SLang_init_all (void) -{ - if ((-1 == SLang_init_slang ()) - || (-1 == SLang_init_slmath ()) - || (-1 == SLang_init_posix_dir ()) - || (-1 == SLang_init_posix_process ()) - || (-1 == SLang_init_stdio ()) - || (-1 == SLang_init_array ()) - || (-1 == SLang_init_posix_io ()) - || (-1 == SLang_init_ospath ()) - ) - return -1; - - return 0; -} - diff --git a/mdk-stage1/slang/slistruc.c b/mdk-stage1/slang/slistruc.c deleted file mode 100644 index 06b8fd6ff..000000000 --- a/mdk-stage1/slang/slistruc.c +++ /dev/null @@ -1,218 +0,0 @@ -/* Intrinsic Structure type implementation */ -/* Copyright (c) 1998, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -/* Intrinsic structures */ - -typedef struct -{ - char *name; - VOID_STAR addr; - SLang_IStruct_Field_Type *fields; -} -_SLang_IStruct_Type; - -static SLang_IStruct_Field_Type *istruct_pop_field (char *name, int no_readonly, VOID_STAR *addr) -{ - _SLang_IStruct_Type *s; - SLang_IStruct_Field_Type *f; - char *struct_addr; - - /* Note: There is no need to free this object */ - if (-1 == SLclass_pop_ptr_obj (SLANG_ISTRUCT_TYPE, (VOID_STAR *) &s)) - return NULL; - - if (NULL == (struct_addr = *(char **)s->addr)) - { - SLang_verror (SL_INTRINSIC_ERROR, - "%s is NULL. Unable to access field", s->name); - return NULL; - } - - f = s->fields; - while (f->field_name != NULL) - { - /* Since both these are slstrings, just test pointers */ - if (f->field_name != name) - { - f++; - continue; - } - - if (no_readonly && f->read_only) - { - SLang_verror (SL_READONLY_ERROR, - "%s.%s is read-only", s->name, name); - return NULL; - } - - *addr = (VOID_STAR) (struct_addr + f->offset); - return f; - } - - SLang_verror (SL_TYPE_MISMATCH, - "%s has no field called %s", s->name, name); - return NULL; -} - -static int istruct_sget (unsigned char type, char *name) -{ - SLang_IStruct_Field_Type *f; - VOID_STAR addr; - SLang_Class_Type *cl; - - if (NULL == (f = istruct_pop_field (name, 0, &addr))) - return -1; - - type = f->type; - cl = _SLclass_get_class (type); - - return (cl->cl_push_intrinsic)(f->type, addr); -} - -static int istruct_sput (unsigned char type, char *name) -{ - SLang_IStruct_Field_Type *f; - VOID_STAR addr; - SLang_Class_Type *cl; - - if (NULL == (f = istruct_pop_field (name, 1, &addr))) - return -1; - - type = f->type; - cl = _SLclass_get_class (type); - - return (*cl->cl_pop) (type, addr); -} - -static int istruct_push (unsigned char type, VOID_STAR ptr) -{ - _SLang_IStruct_Type *s; - - s = *(_SLang_IStruct_Type **) ptr; - if ((s == NULL) - || (s->addr == NULL) - || (*(char **) s->addr == NULL)) - return SLang_push_null (); - - return SLclass_push_ptr_obj (type, (VOID_STAR) s); -} - -static int istruct_pop (unsigned char type, VOID_STAR ptr) -{ - return SLclass_pop_ptr_obj (type, (VOID_STAR *)ptr); -} - -static void istruct_destroy (unsigned char type, VOID_STAR ptr) -{ - (void) type; - (void) ptr; -} - -/* Intrinsic struct objects are not stored in a variable. So, the address that - * is passed here is actually a pointer to the struct. So, pass its address - * to istruct_push since v is a variable. Confusing, n'est pas? - */ -static int istruct_push_intrinsic (unsigned char type, VOID_STAR v) -{ - return istruct_push (type, (VOID_STAR) &v); -} - -static int init_intrin_struct (void) -{ - SLang_Class_Type *cl; - static int initialized; - - if (initialized) - return 0; - - if (NULL == (cl = SLclass_allocate_class ("IStruct_Type"))) - return -1; - - cl->cl_pop = istruct_pop; - cl->cl_push = istruct_push; - cl->cl_sget = istruct_sget; - cl->cl_sput = istruct_sput; - cl->cl_destroy = istruct_destroy; - cl->cl_push_intrinsic = istruct_push_intrinsic; - - if (-1 == SLclass_register_class (cl, SLANG_ISTRUCT_TYPE, sizeof (_SLang_IStruct_Type *), - SLANG_CLASS_TYPE_PTR)) - return -1; - - initialized = 1; - return 0; -} - -int SLadd_istruct_table (SLang_IStruct_Field_Type *fields, VOID_STAR addr, char *name) -{ - _SLang_IStruct_Type *s; - SLang_IStruct_Field_Type *f; - - if (-1 == init_intrin_struct ()) - return -1; - - if (addr == NULL) - { - SLang_verror (SL_INVALID_PARM, - "SLadd_istruct_table: address must be non-NULL"); - return -1; - } - - if (fields == NULL) - return -1; - - /* Make the field names slstrings so that only the pointers need to be - * compared. However, this table may have been already been added for - * another instance of the intrinsic object. So, check for the presence - * of an slstring. - */ - f = fields; - while (f->field_name != NULL) - { - char *fname; - - fname = SLang_create_slstring (f->field_name); - if (fname == NULL) - return -1; - - /* Here is the check for the slstring */ - if (f->field_name == fname) - SLang_free_slstring (fname); - else /* replace string literal with slstring */ - f->field_name = fname; - - f++; - } - - s = (_SLang_IStruct_Type *)SLmalloc (sizeof (_SLang_IStruct_Type)); - if (s == NULL) - return -1; - - memset ((char *)s, 0, sizeof (_SLang_IStruct_Type)); - if (NULL == (s->name = SLang_create_slstring (name))) - { - SLfree ((char *) s); - return -1; - } - - s->addr = addr; - s->fields = fields; - - if (-1 == SLadd_intrinsic_variable (name, (VOID_STAR) s, SLANG_ISTRUCT_TYPE, 1)) - { - SLang_free_slstring (s->name); - SLfree ((char *) s); - return -1; - } - - return 0; -} diff --git a/mdk-stage1/slang/slkeymap.c b/mdk-stage1/slang/slkeymap.c deleted file mode 100644 index dff65433e..000000000 --- a/mdk-stage1/slang/slkeymap.c +++ /dev/null @@ -1,596 +0,0 @@ -/* Keymap routines for SLang. The role of these keymap routines is simple: - * Just read keys from the tty and return a pointer to a keymap structure. - * That is, a keymap is simple a mapping of strings (keys from tty) to - * structures. Also included are routines for managing the keymaps. - */ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -/* We need a define a rule for upperand lower case chars that user cannot - change! This could be a problem for international chars! */ - -#define UPPER_CASE_KEY(x) (((x) >= 'a') && ((x) <= 'z') ? (x) - 32 : (x)) -#define LOWER_CASE_KEY(x) (((x) >= 'A') && ((x) <= 'Z') ? (x) + 32 : (x)) - -int SLang_Key_TimeOut_Flag = 0; /* true if more than 1 sec has elapsed - without key in multikey sequence */ - -int SLang_Last_Key_Char; - -SLKeyMap_List_Type SLKeyMap_List[SLANG_MAX_KEYMAPS]; - -static SLang_Key_Type *malloc_key(unsigned char *str) -{ - SLang_Key_Type *neew; - - if (NULL == (neew = (SLang_Key_Type *) SLmalloc(sizeof(SLang_Key_Type)))) - return NULL; - - SLMEMSET ((char *) neew, 0, sizeof (SLang_Key_Type)); - SLMEMCPY((char *) neew->str, (char *) str, (unsigned int) *str); - return(neew); -} - -static SLKeyMap_List_Type *add_keymap (char *name, SLang_Key_Type *map) -{ - int i; - - for (i = 0; i < SLANG_MAX_KEYMAPS; i++) - { - if (SLKeyMap_List[i].keymap == NULL) - { - if (NULL == (name = SLang_create_slstring (name))) - return NULL; - - SLKeyMap_List[i].keymap = map; - SLKeyMap_List[i].name = name; - return &SLKeyMap_List[i]; - } - } - SLang_Error = SL_UNKNOWN_ERROR; - /* SLang_doerror ("Keymap quota exceeded."); */ - return NULL; -} - -FVOID_STAR SLang_find_key_function(char *name, SLKeyMap_List_Type *keymap) -{ - SLKeymap_Function_Type *fp = keymap -> functions; - char ch = *name; - - while ((fp != NULL) && (fp->name != NULL)) - { - if ((ch == *fp->name) - && (0 == strcmp(fp->name, name))) - return (FVOID_STAR) fp->f; - - fp++; - } - return NULL; -} - -#ifdef REAL_UNIX_SYSTEM -/* Expand termcap string specified by s. s as passed will have the format: - * "XY)..." where XY represents a termcap keyname. - */ -static char *process_termcap_string (char *s, char *str, int *ip, int imax) -{ - char c[3], *val; - int i; - - if ((0 == (c[0] = s[0])) - || (0 == (c[1] = s[1])) - || (s[2] != ')')) - { - SLang_verror (SL_SYNTAX_ERROR, "setkey: ^(%s is badly formed", s); - return NULL; - } - s += 3; - - c[2] = 0; - if ((NULL == (val = SLtt_tgetstr (c))) - || (*val == 0)) - return NULL; - - i = *ip; - while ((i < imax) && (*val != 0)) - { - str[i++] = *val++; - } - *ip = i; - - return s; -} -#endif - -/* convert things like "^A" to 1 etc... The 0th char is the strlen INCLUDING - * the length character itself. - */ -char *SLang_process_keystring(char *s) -{ - /* FIXME: v2.0, make this thread safe */ - static char str[32]; - unsigned char ch; - int i; - - i = 1; - while (*s != 0) - { - ch = (unsigned char) *s++; - if (ch == '^') - { - ch = *s++; - if (ch == 0) - { - if (i < 32) - str[i++] = '^'; - break; - } -#ifdef REAL_UNIX_SYSTEM - if (ch == '(') - { - s = process_termcap_string (s, str, &i, 32); - if (s == NULL) - { - str[0] = 1; - return str; - } - continue; - } -#endif - ch = UPPER_CASE_KEY(ch); - if (ch == '?') ch = 127; else ch = ch - 'A' + 1; - } - - if (i >= 32) break; - str[i++] = ch; - } - - if (i > SLANG_MAX_KEYMAP_KEY_SEQ) - { - SLang_verror (SL_INVALID_PARM, "Key sequence is too long"); - return NULL; - } - - str[0] = i; - return(str); -} - -static int key_string_compare (unsigned char *a, unsigned char *b, unsigned int len) -{ - unsigned char *amax = a + len; - int cha, chb, cha_up, chb_up; - - while (a < amax) - { - cha = *a++; - chb = *b++; - - if (cha == chb) continue; - - cha_up = UPPER_CASE_KEY(cha); - chb_up = UPPER_CASE_KEY(chb); - - if (cha_up == chb_up) - { - /* Use case-sensitive result. */ - return cha - chb; - } - /* Use case-insensitive result. */ - return cha_up - chb_up; - } - return 0; -} - -static char *Define_Key_Error = "Inconsistency in define key."; - -/* This function also performs an insertion in an ordered way. */ -static int find_the_key (char *s, SLKeyMap_List_Type *kml, SLang_Key_Type **keyp) -{ - unsigned char ch; - unsigned int str_len; - SLang_Key_Type *key, *last, *neew; - unsigned char *str; - - *keyp = NULL; - - if (NULL == (str = (unsigned char *) SLang_process_keystring(s))) - return -2; - - if (1 == (str_len = str[0])) - return 0; - - ch = str[1]; - key = kml->keymap + ch; - - if (str_len == 2) - { - if (key->next != NULL) - { - SLang_doerror (Define_Key_Error); - return -2; - } - - if (key->type == SLKEY_F_INTERPRET) - SLang_free_slstring (key->f.s); - - key->str[0] = str_len; - key->str[1] = ch; - - *keyp = key; - return 0; - } - - /* insert the key definition */ - while (1) - { - int cmp; - unsigned int key_len, len; - - last = key; - key = key->next; - - if ((key != NULL) && (key->str != NULL)) - { - len = key_len = key->str[0]; - if (len > str_len) len = str_len; - - cmp = key_string_compare (str + 1, key->str + 1, len - 1); - - if (cmp > 0) - continue; - - if (cmp == 0) - { - if (key_len != str_len) - { - SLang_doerror (Define_Key_Error); - return -2; - } - - if (key->type == SLKEY_F_INTERPRET) - SLang_free_slstring (key->f.s); - - *keyp = key; - return 0; - } - /* Drop to cmp < 0 case */ - } - - if (NULL == (neew = malloc_key(str))) return -1; - - neew -> next = key; - last -> next = neew; - - *keyp = neew; - return 0; - } -} - -/* returns -2 if inconsistent, -1 if malloc error, 0 upon success */ -int SLkm_define_key (char *s, FVOID_STAR f, SLKeyMap_List_Type *kml) -{ - SLang_Key_Type *key; - unsigned int type = SLKEY_F_INTRINSIC; - int ret; - - ret = find_the_key (s, kml, &key); - if ((ret != 0) || (key == NULL)) - return ret; - - key->type = type; - key->f.f = f; - return 0; -} - -int SLang_define_key (char *s, char *funct, SLKeyMap_List_Type *kml) -{ - SLang_Key_Type *key; - FVOID_STAR f; - int ret; - - ret = find_the_key (s, kml, &key); - if ((ret != 0) || (key == NULL)) - return ret; - - f = SLang_find_key_function(funct, kml); - - if (f == NULL) /* assume interpreted */ - { - char *str = SLang_create_slstring (funct); - if (str == NULL) return -1; - key->type = SLKEY_F_INTERPRET; - key->f.s = str; - } - else - { - key->type = SLKEY_F_INTRINSIC; - key->f.f = f; - } - return 0; -} - -int SLkm_define_keysym (char *s, unsigned int keysym, SLKeyMap_List_Type *kml) -{ - SLang_Key_Type *key; - int ret; - - ret = find_the_key (s, kml, &key); - - if ((ret != 0) || (key == NULL)) - return ret; - - key->type = SLKEY_F_KEYSYM; - key->f.keysym = keysym; - return 0; -} - -SLang_Key_Type *SLang_do_key(SLKeyMap_List_Type *kml, int (*getkey)(void)) -{ - register SLang_Key_Type *key, *next, *kmax; - unsigned int len; - unsigned char input_ch; - register unsigned char chup, chlow; - unsigned char key_ch = 0; - - SLang_Last_Key_Char = (*getkey)(); - SLang_Key_TimeOut_Flag = 0; - - if (SLANG_GETKEY_ERROR == (unsigned int) SLang_Last_Key_Char) - return NULL; - - input_ch = (unsigned char) SLang_Last_Key_Char; - - key = (SLang_Key_Type *) &((kml->keymap)[input_ch]); - - /* if the next one is null, then we know this MAY be it. */ - while (key->next == NULL) - { - if (key->type != 0) - return key; - - /* Try its opposite case counterpart */ - chlow = LOWER_CASE_KEY(input_ch); - if (input_ch == chlow) - input_ch = UPPER_CASE_KEY(input_ch); - - key = kml->keymap + input_ch; - if (key->type == 0) - return NULL; - } - - /* It appears to be a prefix character in a key sequence. */ - - len = 1; /* already read one character */ - key = key->next; /* Now we are in the key list */ - kmax = NULL; /* set to end of list */ - - while (1) - { - SLang_Key_TimeOut_Flag = 1; - SLang_Last_Key_Char = (*getkey)(); - SLang_Key_TimeOut_Flag = 0; - - len++; - - if ((SLANG_GETKEY_ERROR == (unsigned int) SLang_Last_Key_Char) - || SLKeyBoard_Quit) - break; - - input_ch = (unsigned char) SLang_Last_Key_Char; - - chup = UPPER_CASE_KEY(input_ch); chlow = LOWER_CASE_KEY(input_ch); - - while (key != kmax) - { - if (key->str[0] > len) - { - key_ch = key->str[len]; - if (chup == UPPER_CASE_KEY(key_ch)) - break; - } - key = key->next; - } - - if (key == kmax) break; - - /* If the input character is lowercase, check to see if there is - * a lowercase match. If so, set key to it. Note: the - * algorithm assumes the sorting performed by key_string_compare. - */ - if (input_ch != key_ch) - { - next = key->next; - while (next != kmax) - { - if (next->str[0] > len) - { - unsigned char next_ch = next->str[len]; - if (next_ch == input_ch) - { - key = next; - break; - } - if (next_ch != chup) - break; - } - next = next->next; - } - } - - /* Ok, we found the first position of a possible match. If it - * is exact, we are done. - */ - if ((unsigned int) key->str[0] == len + 1) - return key; - - /* Apparantly, there are some ambiguities. Read next key to resolve - * the ambiguity. Adjust kmax to encompass ambiguities. - */ - - next = key->next; - while (next != kmax) - { - if ((unsigned int) next->str[0] > len) - { - key_ch = next->str[len]; - if (chup != UPPER_CASE_KEY(key_ch)) - break; - } - next = next->next; - } - kmax = next; - } - - return NULL; -} - -void SLang_undefine_key(char *s, SLKeyMap_List_Type *kml) -{ - int n, i; - SLang_Key_Type *key, *next, *last, *key_root, *keymap; - unsigned char *str; - - keymap = kml -> keymap; - if (NULL == (str = (unsigned char *) SLang_process_keystring(s))) - return; - - if (0 == (n = *str++ - 1)) return; - i = *str; - - last = key_root = (SLang_Key_Type *) &(keymap[i]); - key = key_root->next; - - while (key != NULL) - { - next = key->next; - if (0 == SLMEMCMP ((char *)(key->str + 1), (char *) str, n)) - { - if (key->type == SLKEY_F_INTERPRET) - SLang_free_slstring (key->f.s); - - SLfree((char *) key); - last->next = next; - } - else last = key; - key = next; - } - - if (n == 1) - { - *key_root->str = 0; - key_root->f.f = NULL; - key_root->type = 0; - } -} - -char *SLang_make_keystring(unsigned char *s) -{ - static char buf [3 * SLANG_MAX_KEYMAP_KEY_SEQ + 1]; - char *b; - int n; - - n = *s++ - 1; - - if (n > SLANG_MAX_KEYMAP_KEY_SEQ) - { - SLang_verror (SL_INVALID_PARM, "Key sequence is too long"); - return NULL; - } - - b = buf; - while (n--) - { - if (*s < 32) - { - *b++ = '^'; - *b++ = *s + 'A' - 1; - } - else *b++ = *s; - s++; - } - *b = 0; - return(buf); -} - -static SLang_Key_Type *copy_keymap(SLKeyMap_List_Type *kml) -{ - int i; - SLang_Key_Type *neew, *old, *new_root, *km; - - if (NULL == (new_root = (SLang_Key_Type *) SLcalloc(256, sizeof(SLang_Key_Type)))) - return NULL; - - if (kml == NULL) return new_root; - km = kml->keymap; - - for (i = 0; i < 256; i++) - { - old = &(km[i]); - neew = &(new_root[i]); - - if (old->type == SLKEY_F_INTERPRET) - neew->f.s = SLang_create_slstring (old->f.s); - else - neew->f.f = old->f.f; - - neew->type = old->type; - SLMEMCPY((char *) neew->str, (char *) old->str, (unsigned int) *old->str); - - old = old->next; - while (old != NULL) - { - neew->next = malloc_key((unsigned char *) old->str); - neew = neew->next; - - if (old->type == SLKEY_F_INTERPRET) - neew->f.s = SLang_create_slstring (old->f.s); - else - neew->f.f = old->f.f; - - neew->type = old->type; - old = old->next; - } - neew->next = NULL; - } - return(new_root); -} - -SLKeyMap_List_Type *SLang_create_keymap(char *name, SLKeyMap_List_Type *map) -{ - SLang_Key_Type *neew; - SLKeyMap_List_Type *new_map; - - if ((NULL == (neew = copy_keymap(map))) - || (NULL == (new_map = add_keymap(name, neew)))) return NULL; - - if (map != NULL) new_map -> functions = map -> functions; - - return new_map; -} - -SLKeyMap_List_Type *SLang_find_keymap(char *name) -{ - SLKeyMap_List_Type *kmap, *kmap_max; - - kmap = SLKeyMap_List; - kmap_max = kmap + SLANG_MAX_KEYMAPS; - - while (kmap < kmap_max) - { - if ((kmap->name != NULL) - && (0 == strcmp (kmap->name, name))) - return kmap; - - kmap++; - } - return NULL; -} diff --git a/mdk-stage1/slang/slkeypad.c b/mdk-stage1/slang/slkeypad.c deleted file mode 100644 index 524dc80fa..000000000 --- a/mdk-stage1/slang/slkeypad.c +++ /dev/null @@ -1,163 +0,0 @@ -/* Copyright (c) 1998, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -static SLKeyMap_List_Type *Keymap_List; - -int SLkp_init (void) -{ - char esc_seq[10]; - int i; - - if (NULL == (Keymap_List = SLang_create_keymap ("_SLKeypad", NULL))) - return -1; - - esc_seq[1] = 0; - for (i = 1; i < 256; i++) - { - esc_seq[0] = (char) i; - SLkm_define_keysym (esc_seq, i, Keymap_List); - } - - /* Now add most common ones. */ -#ifndef IBMPC_SYSTEM - SLkm_define_keysym ("^@", 0, Keymap_List); - - SLkm_define_keysym ("\033[A", SL_KEY_UP, Keymap_List); - SLkm_define_keysym ("\033OA", SL_KEY_UP, Keymap_List); - SLkm_define_keysym ("\033[B", SL_KEY_DOWN, Keymap_List); - SLkm_define_keysym ("\033OB", SL_KEY_DOWN, Keymap_List); - SLkm_define_keysym ("\033[C", SL_KEY_RIGHT, Keymap_List); - SLkm_define_keysym ("\033OC", SL_KEY_RIGHT, Keymap_List); - SLkm_define_keysym ("\033[D", SL_KEY_LEFT, Keymap_List); - SLkm_define_keysym ("\033OD", SL_KEY_LEFT, Keymap_List); - SLkm_define_keysym ("\033[2~", SL_KEY_IC, Keymap_List); - SLkm_define_keysym ("\033[7~", SL_KEY_HOME, Keymap_List); - SLkm_define_keysym ("\033[5~", SL_KEY_PPAGE, Keymap_List); - SLkm_define_keysym ("\033[6~", SL_KEY_NPAGE, Keymap_List); - SLkm_define_keysym ("\033[8~", SL_KEY_END, Keymap_List); - SLkm_define_keysym ("\033[3~", SL_KEY_DELETE, Keymap_List); -#else - /* Note: This will not work if SLgetkey_map_to_ansi (1) has - * been called. - */ - SLkm_define_keysym ("^@\x48", SL_KEY_UP, Keymap_List ); - SLkm_define_keysym ("^@\x50", SL_KEY_DOWN, Keymap_List ); - SLkm_define_keysym ("^@\x4d", SL_KEY_RIGHT, Keymap_List ); - SLkm_define_keysym ("^@\x4b", SL_KEY_LEFT, Keymap_List ); - SLkm_define_keysym ("^@\x47", SL_KEY_HOME, Keymap_List ); - SLkm_define_keysym ("^@\x49", SL_KEY_PPAGE, Keymap_List ); - SLkm_define_keysym ("^@\x51", SL_KEY_NPAGE, Keymap_List ); - SLkm_define_keysym ("^@\x4f", SL_KEY_END, Keymap_List ); - SLkm_define_keysym ("^@\x52", SL_KEY_IC, Keymap_List ); - SLkm_define_keysym ("^@\x53", SL_KEY_DELETE, Keymap_List ); - - SLkm_define_keysym ("\xE0\x48", SL_KEY_UP, Keymap_List ); - SLkm_define_keysym ("\xE0\x50", SL_KEY_DOWN, Keymap_List ); - SLkm_define_keysym ("\xE0\x4d", SL_KEY_RIGHT, Keymap_List ); - SLkm_define_keysym ("\xE0\x4b", SL_KEY_LEFT, Keymap_List ); - SLkm_define_keysym ("\xE0\x47", SL_KEY_HOME, Keymap_List ); - SLkm_define_keysym ("\xE0\x49", SL_KEY_PPAGE, Keymap_List ); - SLkm_define_keysym ("\xE0\x51", SL_KEY_NPAGE, Keymap_List ); - SLkm_define_keysym ("\xE0\x4f", SL_KEY_END, Keymap_List ); - SLkm_define_keysym ("\xE0\x52", SL_KEY_IC, Keymap_List ); - SLkm_define_keysym ("\xE0\x53", SL_KEY_DELETE, Keymap_List ); - - strcpy (esc_seq, "^@ "); /* guarantees esc_seq[3] = 0. */ - - for (i = 0x3b; i < 0x45; i++) - { - esc_seq [2] = i; - SLkm_define_keysym (esc_seq, SL_KEY_F(i - 0x3a), Keymap_List); - } - esc_seq[2] = 0x57; SLkm_define_keysym (esc_seq, SL_KEY_F(11), Keymap_List); - esc_seq[2] = 0x58; SLkm_define_keysym (esc_seq, SL_KEY_F(12), Keymap_List); -#endif - -#ifdef REAL_UNIX_SYSTEM - strcpy (esc_seq, "^(kX)"); - for (i = 0; i <= 9; i++) - { - esc_seq[3] = '0' + i; - SLkm_define_keysym (esc_seq, SL_KEY_F(i), Keymap_List); - } - SLkm_define_keysym ("^(k;)", SL_KEY_F(10), Keymap_List); - - SLkm_define_keysym ("^(ku)", SL_KEY_UP, Keymap_List); - SLkm_define_keysym ("^(kd)", SL_KEY_DOWN, Keymap_List); - SLkm_define_keysym ("^(kl)", SL_KEY_LEFT, Keymap_List); - SLkm_define_keysym ("^(kr)", SL_KEY_RIGHT, Keymap_List); - SLkm_define_keysym ("^(kP)", SL_KEY_PPAGE, Keymap_List); - SLkm_define_keysym ("^(kN)", SL_KEY_NPAGE, Keymap_List); - SLkm_define_keysym ("^(kh)", SL_KEY_HOME, Keymap_List); - SLkm_define_keysym ("^(@7)", SL_KEY_END, Keymap_List); - SLkm_define_keysym ("^(K1)", SL_KEY_A1, Keymap_List); - SLkm_define_keysym ("^(K3)", SL_KEY_A3, Keymap_List); - SLkm_define_keysym ("^(K2)", SL_KEY_B2, Keymap_List); - SLkm_define_keysym ("^(K4)", SL_KEY_C1, Keymap_List); - SLkm_define_keysym ("^(K5)", SL_KEY_C3, Keymap_List); - SLkm_define_keysym ("^(%0)", SL_KEY_REDO, Keymap_List); - SLkm_define_keysym ("^(&8)", SL_KEY_UNDO, Keymap_List); - SLkm_define_keysym ("^(kb)", SL_KEY_BACKSPACE, Keymap_List); - SLkm_define_keysym ("^(@8)", SL_KEY_ENTER, Keymap_List); - SLkm_define_keysym ("^(kD)", SL_KEY_DELETE, Keymap_List); -#endif - - if (SLang_Error) - return -1; - return 0; -} - -int SLkp_getkey (void) -{ - SLang_Key_Type *key; - - key = SLang_do_key (Keymap_List, (int (*)(void)) SLang_getkey); - if ((key == NULL) || (key->type != SLKEY_F_KEYSYM)) - { - SLang_flush_input (); - return SL_KEY_ERR; - } - - return key->f.keysym; -} - -int SLkp_define_keysym (char *keystr, unsigned int keysym) -{ - if (SLkm_define_keysym (keystr, keysym, Keymap_List) < 0) - return -1; - - return 0; -} - -#if 0 -int main (int argc, char **argv) -{ - int ch; - - SLtt_get_terminfo (); - - if (-1 == SLkp_init ()) - return 1; - - SLang_init_tty (-1, 0, 0); - - while ('q' != (ch = SLkp_getkey ())) - { - fprintf (stdout, "Keycode = %d\r\n", ch); - fflush (stdout); - } - - SLang_reset_tty (); - - return 0; -} -#endif - diff --git a/mdk-stage1/slang/sllimits.h b/mdk-stage1/slang/sllimits.h deleted file mode 100644 index c4ae03b83..000000000 --- a/mdk-stage1/slang/sllimits.h +++ /dev/null @@ -1,64 +0,0 @@ -/* Copyright (c) 1998, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ -/* sllimits.h */ - -/* slstring.c: Size of the hash table used for strings (prime numbers) */ -#ifdef __MSDOS_16BIT__ -# define SLSTRING_HASH_TABLE_SIZE 601 -# define SLASSOC_HASH_TABLE_SIZE 601 -#else -# define SLSTRING_HASH_TABLE_SIZE 2909 -# define SLASSOC_HASH_TABLE_SIZE 2909 -#endif - -/* slang.c: maximum size of run time stack */ -#ifdef __MSDOS_16BIT__ -# define SLANG_MAX_STACK_LEN 500 -#else -# define SLANG_MAX_STACK_LEN 2500 -#endif - -/* slang.c: This sets the size on the depth of function calls */ -#ifdef __MSDOS_16BIT__ -# define SLANG_MAX_RECURSIVE_DEPTH 50 -#else -# define SLANG_MAX_RECURSIVE_DEPTH 250 -#endif - -/* slang.c: Size of the stack used for local variables */ -#ifdef __MSDOS_16BIT__ -# define SLANG_MAX_LOCAL_STACK 200 -#else -# define SLANG_MAX_LOCAL_STACK 1024 -#endif - -/* slang.c: The size of the hash table used for local and global objects. - * These should be prime numbers. - */ -#define SLGLOBALS_HASH_TABLE_SIZE 2909 -#define SLLOCALS_HASH_TABLE_SIZE 73 -#define SLSTATIC_HASH_TABLE_SIZE 73 - -/* Size of the keyboard buffer use by the ungetkey routines */ -#ifdef __MSDOS_16BIT__ -# define SL_MAX_INPUT_BUFFER_LEN 40 -#else -# define SL_MAX_INPUT_BUFFER_LEN 1024 -#endif - -/* Maximum number of nested switch statements */ -#define SLANG_MAX_NESTED_SWITCH 10 - -/* Size of the block stack (used in byte-compiling) */ -#define SLANG_MAX_BLOCK_STACK_LEN 50 - -/* slfile.c: Max number of open file pointers */ -#ifdef __MSDOS_16BIT__ -# define SL_MAX_FILES 32 -#else -# define SL_MAX_FILES 256 -#endif diff --git a/mdk-stage1/slang/slmalloc.c b/mdk-stage1/slang/slmalloc.c deleted file mode 100644 index be4ed6cae..000000000 --- a/mdk-stage1/slang/slmalloc.c +++ /dev/null @@ -1,165 +0,0 @@ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ -#include "slinclud.h" - -#ifdef SL_MALLOC_DEBUG -# undef SL_MALLOC_DEBUG -#endif - -#include "slang.h" -#include "_slang.h" - -#ifdef __alpha -# define Chunk 8 -#else -# define Chunk 4 -#endif - -static long Total_Allocated; -static long Max_Single_Allocation; -static long Max_Allocated; -/* #define SLDEBUG_DOUT */ - -#ifdef SLDEBUG_DOUT -static FILE *dout; -#endif - -void SLmalloc_dump_statistics (void) -{ -#ifdef SLDEBUG_DOUT - fflush (dout); -#endif - fprintf (stderr, "Total Allocated: %ld\nHighest single allocation: %ld\nHighest Total Allocated:%ld\n", - Total_Allocated, Max_Single_Allocation, Max_Allocated); -} - -static void register_at_exit_fun (void) -{ - static int is_registered = 0; - if (is_registered) - return; - is_registered = 1; - -#ifdef SLDEBUG_DOUT - if (dout == NULL) dout = fopen ("malloc.out", "w"); -#endif - SLang_add_cleanup_function (SLmalloc_dump_statistics); -} - -static void fixup (unsigned char *p, unsigned long n, char *what) -{ - register_at_exit_fun (); - - p += Chunk; - *(p - 4)= (unsigned char) ((n >> 24) & 0xFF); - *(p - 3) = (unsigned char) ((n >> 16) & 0xFF); - *(p - 2) = (unsigned char) ((n >> 8) & 0xFF); - *(p - 1) = (unsigned char) (n & 0xFF); - *(p + (int) n) = 27; - *(p + (int) (n + 1)) = 182; - *(p + (int) (n + 2)) = 81; - *(p + (int) (n + 3)) = 86; - Total_Allocated += (long) n; - if (Total_Allocated > Max_Allocated) Max_Allocated = Total_Allocated; - if ((long) n > Max_Single_Allocation) - Max_Single_Allocation = (long) n; - -#ifdef SLDEBUG_DOUT - fprintf (dout, "ALLOC: %s\t%p %ld\n", what, p, (long) n); -#else - (void) what; -#endif -} - -static void SLmalloc_doerror (char *buf) -{ - SLang_doerror (buf); -} - -static int check_memory (unsigned char *p, char *what) -{ - char buf[128]; - unsigned long n; - - register_at_exit_fun (); - - n = ((unsigned long) *(p - 4)) << 24; - n |= ((unsigned long) *(p - 3)) << 16; - n |= ((unsigned long) *(p - 2)) << 8; - n |= (unsigned long) *(p - 1); - - if (n == 0xFFFFFFFFUL) - { - sprintf (buf, "%s: %p: Already FREE! Abort NOW.", what, (void*)p - Chunk); - SLmalloc_doerror (buf); - return -1; - } - - if ((*(p + (int) n) != 27) - || (*(p + (int) (n + 1)) != 182) - || (*(p + (int) (n + 2)) != 81) - || (*(p + (int) (n + 3)) != 86)) - { - sprintf (buf, "\007%s: %p: Memory corrupt! Abort NOW.", what, (void*)p); - SLmalloc_doerror (buf); - return -1; - } - - *(p - 4) = *(p - 3) = *(p - 2) = *(p - 1) = 0xFF; - - Total_Allocated -= (long) n; - if (Total_Allocated < 0) - { - sprintf (buf, "\007%s: %p\nFreed %ld, Allocated is: %ld!\n", - what, (void*)p, (long) n, Total_Allocated); - SLang_doerror (buf); - } -#ifdef SLDEBUG_DOUT - fprintf (dout, "FREE: %s:\t%p %ld\n", what, p, (long) n); -#endif - return 0; -} - -void SLdebug_free (char *p) -{ - if (p == NULL) return; - if (-1 == check_memory ((unsigned char *) p, "FREE")) return; - - SLFREE (p - Chunk); -} - -char *SLdebug_malloc (unsigned long n) -{ - char *p; - - if ((p = (char *) SLMALLOC (n + 2 * Chunk)) == NULL) return NULL; - - fixup ((unsigned char *) p, n, "MALLOC"); - return p + Chunk; -} - -char *SLdebug_realloc (char *p, unsigned long n) -{ - if (-1 == check_memory ((unsigned char *) p, "REALLOC")) return NULL; - if ((p = (char *) SLREALLOC (p - Chunk, n + 2 * Chunk)) == NULL) return NULL; - fixup ((unsigned char *) p, n, "REALLOC"); - return p + Chunk; -} - -char *SLdebug_calloc (unsigned long n, unsigned long size) -{ - char *p; - int m; - - /* This is tough -- hope this is a good assumption!! */ - if (size >= Chunk) m = 1; else m = Chunk; - - if ((p = (char *) SLCALLOC (n + m + m, size)) == NULL) return NULL; - fixup ((unsigned char *) p, size * n, "CALLOC"); - return p + Chunk; -} - diff --git a/mdk-stage1/slang/slmath.c b/mdk-stage1/slang/slmath.c deleted file mode 100644 index 1d61e14d3..000000000 --- a/mdk-stage1/slang/slmath.c +++ /dev/null @@ -1,565 +0,0 @@ -/* sin, cos, etc, for S-Lang */ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#include <math.h> - -#include "slang.h" -#include "_slang.h" - -#ifdef PI -# undef PI -#endif -#define PI 3.14159265358979323846264338327950288 - -#if defined(__unix__) -#include <signal.h> -#include <errno.h> - -#define SIGNAL SLsignal - -static void math_floating_point_exception (int sig) -{ - sig = errno; - if (SLang_Error == 0) SLang_Error = SL_FLOATING_EXCEPTION; - (void) SIGNAL (SIGFPE, math_floating_point_exception); - errno = sig; -} -#endif - -double SLmath_hypot (double x, double y) -{ - double fr, fi, ratio; - - fr = fabs(x); - fi = fabs(y); - - if (fr > fi) - { - ratio = y / x; - x = fr * sqrt (1.0 + ratio * ratio); - } - else if (fi == 0.0) x = 0.0; - else - { - ratio = x / y; - x = fi * sqrt (1.0 + ratio * ratio); - } - - return x; -} - -/* usage here is a1 a2 ... an n x ==> a1x^n + a2 x ^(n - 1) + ... + an */ -static double math_poly (void) -{ - int n; - double xn = 1.0, sum = 0.0; - double an, x; - - if ((SLang_pop_double(&x, NULL, NULL)) - || (SLang_pop_integer(&n))) return(0.0); - - while (n-- > 0) - { - if (SLang_pop_double(&an, NULL, NULL)) break; - sum += an * xn; - xn = xn * x; - } - return (double) sum; -} - -static int double_math_op_result (int op, unsigned char a, unsigned char *b) -{ - (void) op; - - if (a != SLANG_FLOAT_TYPE) - *b = SLANG_DOUBLE_TYPE; - else - *b = a; - - return 1; -} - -#ifdef HAVE_ASINH -# define ASINH_FUN asinh -#else -# define ASINH_FUN my_asinh -static double my_asinh (double x) -{ - return log (x + sqrt (x*x + 1)); -} -#endif -#ifdef HAVE_ACOSH -# define ACOSH_FUN acosh -#else -# define ACOSH_FUN my_acosh -static double my_acosh (double x) -{ - return log (x + sqrt(x*x - 1)); /* x >= 1 */ -} -#endif -#ifdef HAVE_ATANH -# define ATANH_FUN atanh -#else -# define ATANH_FUN my_atanh -static double my_atanh (double x) -{ - return 0.5 * log ((1.0 + x)/(1.0 - x)); /* 0 <= x^2 < 1 */ -} -#endif - -static int double_math_op (int op, - unsigned char type, VOID_STAR ap, unsigned int na, - VOID_STAR bp) -{ - double *a, *b; - unsigned int i; - double (*fun) (double); - - (void) type; - a = (double *) ap; - b = (double *) bp; - - switch (op) - { - default: - return 0; - - case SLMATH_SINH: - fun = sinh; - break; - case SLMATH_COSH: - fun = cosh; - break; - case SLMATH_TANH: - fun = tanh; - break; - case SLMATH_TAN: - fun = tan; - break; - case SLMATH_ASIN: - fun = asin; - break; - case SLMATH_ACOS: - fun = acos; - break; - case SLMATH_ATAN: - fun = atan; - break; - case SLMATH_EXP: - fun = exp; - break; - case SLMATH_LOG: - fun = log; - break; - case SLMATH_LOG10: - fun = log10; - break; - case SLMATH_SQRT: - fun = sqrt; - break; - case SLMATH_SIN: - fun = sin; - break; - case SLMATH_COS: - fun = cos; - break; - - case SLMATH_ASINH: - fun = ASINH_FUN; - break; - case SLMATH_ATANH: - fun = ATANH_FUN; - break; - case SLMATH_ACOSH: - fun = ACOSH_FUN; - break; - - case SLMATH_CONJ: - case SLMATH_REAL: - for (i = 0; i < na; i++) - b[i] = a[i]; - return 1; - case SLMATH_IMAG: - for (i = 0; i < na; i++) - b[i] = 0.0; - return 1; - } - - for (i = 0; i < na; i++) - b[i] = (*fun) (a[i]); - - return 1; -} - -static int float_math_op (int op, - unsigned char type, VOID_STAR ap, unsigned int na, - VOID_STAR bp) -{ - float *a, *b; - unsigned int i; - double (*fun) (double); - - (void) type; - a = (float *) ap; - b = (float *) bp; - - - switch (op) - { - default: - return 0; - - case SLMATH_SINH: - fun = sinh; - break; - case SLMATH_COSH: - fun = cosh; - break; - case SLMATH_TANH: - fun = tanh; - break; - case SLMATH_TAN: - fun = tan; - break; - case SLMATH_ASIN: - fun = asin; - break; - case SLMATH_ACOS: - fun = acos; - break; - case SLMATH_ATAN: - fun = atan; - break; - case SLMATH_EXP: - fun = exp; - break; - case SLMATH_LOG: - fun = log; - break; - case SLMATH_LOG10: - fun = log10; - break; - case SLMATH_SQRT: - fun = sqrt; - break; - case SLMATH_SIN: - fun = sin; - break; - case SLMATH_COS: - fun = cos; - break; - - case SLMATH_ASINH: - fun = ASINH_FUN; - break; - case SLMATH_ATANH: - fun = ATANH_FUN; - break; - case SLMATH_ACOSH: - fun = ACOSH_FUN; - break; - - case SLMATH_CONJ: - case SLMATH_REAL: - for (i = 0; i < na; i++) - b[i] = a[i]; - return 1; - case SLMATH_IMAG: - for (i = 0; i < na; i++) - b[i] = 0.0; - return 1; - } - - for (i = 0; i < na; i++) - b[i] = (float) (*fun) ((double) a[i]); - - return 1; -} - -static int generic_math_op (int op, - unsigned char type, VOID_STAR ap, unsigned int na, - VOID_STAR bp) -{ - double *b; - unsigned int i; - SLang_To_Double_Fun_Type to_double; - double (*fun) (double); - unsigned int da; - char *a; - - if (NULL == (to_double = SLarith_get_to_double_fun (type, &da))) - return 0; - - b = (double *) bp; - a = (char *) ap; - - switch (op) - { - default: - return 0; - - case SLMATH_SINH: - fun = sinh; - break; - case SLMATH_COSH: - fun = cosh; - break; - case SLMATH_TANH: - fun = tanh; - break; - case SLMATH_TAN: - fun = tan; - break; - case SLMATH_ASIN: - fun = asin; - break; - case SLMATH_ACOS: - fun = acos; - break; - case SLMATH_ATAN: - fun = atan; - break; - case SLMATH_EXP: - fun = exp; - break; - case SLMATH_LOG: - fun = log; - break; - case SLMATH_LOG10: - fun = log10; - break; - case SLMATH_SQRT: - fun = sqrt; - break; - case SLMATH_SIN: - fun = sin; - break; - case SLMATH_COS: - fun = cos; - break; - - case SLMATH_ASINH: - fun = ASINH_FUN; - break; - case SLMATH_ATANH: - fun = ATANH_FUN; - break; - case SLMATH_ACOSH: - fun = ACOSH_FUN; - break; - - - case SLMATH_CONJ: - case SLMATH_REAL: - for (i = 0; i < na; i++) - { - b[i] = to_double((VOID_STAR) a); - a += da; - } - return 1; - - case SLMATH_IMAG: - for (i = 0; i < na; i++) - b[i] = 0.0; - return 1; - } - - for (i = 0; i < na; i++) - { - b[i] = (*fun) (to_double ((VOID_STAR) a)); - a += da; - } - - return 1; -} - -#if SLANG_HAS_COMPLEX -static int complex_math_op_result (int op, unsigned char a, unsigned char *b) -{ - (void) a; - switch (op) - { - default: - *b = SLANG_COMPLEX_TYPE; - break; - - case SLMATH_REAL: - case SLMATH_IMAG: - *b = SLANG_DOUBLE_TYPE; - break; - } - return 1; -} - -static int complex_math_op (int op, - unsigned char type, VOID_STAR ap, unsigned int na, - VOID_STAR bp) -{ - double *a, *b; - unsigned int i; - unsigned int na2 = na * 2; - double *(*fun) (double *, double *); - - (void) type; - a = (double *) ap; - b = (double *) bp; - - switch (op) - { - default: - return 0; - - case SLMATH_REAL: - for (i = 0; i < na; i++) - b[i] = a[2 * i]; - return 1; - - case SLMATH_IMAG: - for (i = 0; i < na; i++) - b[i] = a[2 * i + 1]; - return 1; - - case SLMATH_CONJ: - for (i = 0; i < na2; i += 2) - { - b[i] = a[i]; - b[i+1] = -a[i+1]; - } - return 1; - - case SLMATH_ATANH: - fun = SLcomplex_atanh; - break; - case SLMATH_ACOSH: - fun = SLcomplex_acosh; - break; - case SLMATH_ASINH: - fun = SLcomplex_asinh; - break; - case SLMATH_EXP: - fun = SLcomplex_exp; - break; - case SLMATH_LOG: - fun = SLcomplex_log; - break; - case SLMATH_LOG10: - fun = SLcomplex_log10; - break; - case SLMATH_SQRT: - fun = SLcomplex_sqrt; - break; - case SLMATH_SIN: - fun = SLcomplex_sin; - break; - case SLMATH_COS: - fun = SLcomplex_cos; - break; - case SLMATH_SINH: - fun = SLcomplex_sinh; - break; - case SLMATH_COSH: - fun = SLcomplex_cosh; - break; - case SLMATH_TANH: - fun = SLcomplex_tanh; - break; - case SLMATH_TAN: - fun = SLcomplex_tan; - break; - case SLMATH_ASIN: - fun = SLcomplex_asin; - break; - case SLMATH_ACOS: - fun = SLcomplex_acos; - break; - case SLMATH_ATAN: - fun = SLcomplex_atan; - break; - } - - for (i = 0; i < na2; i += 2) - (void) (*fun) (b + i, a + i); - - return 1; -} -#endif - -static SLang_DConstant_Type DConst_Table [] = -{ - MAKE_DCONSTANT("E", 2.718281828459045), - MAKE_DCONSTANT("PI", 3.14159265358979323846264338327950288), - SLANG_END_DCONST_TABLE -}; - -static SLang_Math_Unary_Type SLmath_Table [] = -{ - MAKE_MATH_UNARY("sinh", SLMATH_SINH), - MAKE_MATH_UNARY("asinh", SLMATH_ASINH), - MAKE_MATH_UNARY("cosh", SLMATH_COSH), - MAKE_MATH_UNARY("acosh", SLMATH_ACOSH), - MAKE_MATH_UNARY("tanh", SLMATH_TANH), - MAKE_MATH_UNARY("atanh", SLMATH_ATANH), - MAKE_MATH_UNARY("sin", SLMATH_SIN), - MAKE_MATH_UNARY("cos", SLMATH_COS), - MAKE_MATH_UNARY("tan", SLMATH_TAN), - MAKE_MATH_UNARY("atan", SLMATH_ATAN), - MAKE_MATH_UNARY("acos", SLMATH_ACOS), - MAKE_MATH_UNARY("asin", SLMATH_ASIN), - MAKE_MATH_UNARY("exp", SLMATH_EXP), - MAKE_MATH_UNARY("log", SLMATH_LOG), - MAKE_MATH_UNARY("sqrt", SLMATH_SQRT), - MAKE_MATH_UNARY("log10", SLMATH_LOG10), -#if SLANG_HAS_COMPLEX - MAKE_MATH_UNARY("Real", SLMATH_REAL), - MAKE_MATH_UNARY("Imag", SLMATH_IMAG), - MAKE_MATH_UNARY("Conj", SLMATH_CONJ), -#endif - SLANG_END_MATH_UNARY_TABLE -}; - -static SLang_Intrin_Fun_Type SLang_Math_Table [] = -{ - MAKE_INTRINSIC_0("polynom", math_poly, SLANG_DOUBLE_TYPE), - SLANG_END_INTRIN_FUN_TABLE -}; - -int SLang_init_slmath (void) -{ - unsigned char *int_types; - -#if defined(__unix__) - (void) SIGNAL (SIGFPE, math_floating_point_exception); -#endif - - int_types = _SLarith_Arith_Types; - - while (*int_types != SLANG_FLOAT_TYPE) - { - if (-1 == SLclass_add_math_op (*int_types, generic_math_op, double_math_op_result)) - return -1; - int_types++; - } - - if ((-1 == SLclass_add_math_op (SLANG_FLOAT_TYPE, float_math_op, double_math_op_result)) - || (-1 == SLclass_add_math_op (SLANG_DOUBLE_TYPE, double_math_op, double_math_op_result)) -#if SLANG_HAS_COMPLEX - || (-1 == SLclass_add_math_op (SLANG_COMPLEX_TYPE, complex_math_op, complex_math_op_result)) -#endif - ) - return -1; - - if ((-1 == SLadd_math_unary_table (SLmath_Table, "__SLMATH__")) - || (-1 == SLadd_intrin_fun_table (SLang_Math_Table, NULL)) - || (-1 == SLadd_dconstant_table (DConst_Table, NULL))) - return -1; - - return 0; -} - diff --git a/mdk-stage1/slang/slmemchr.c b/mdk-stage1/slang/slmemchr.c deleted file mode 100644 index 1417bc549..000000000 --- a/mdk-stage1/slang/slmemchr.c +++ /dev/null @@ -1,47 +0,0 @@ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -/* These routines are fast memcpy, memset routines. When available, I - use system rouines. For msdos, I use inline assembly. */ - -/* The current versions only work in the forward direction only!! */ - -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -char *SLmemchr(register char *p, register char c, register int n) -{ - int n2; - register char *pmax; - - pmax = p + (n - 32); - - while (p <= pmax) - { - if ((*p == c) || (*++p == c) || (*++p == c) || (*++p == c) - || (*++p == c) || (*++p == c) || (*++p == c) || (*++p == c) - || (*++p == c) || (*++p == c) || (*++p == c) || (*++p == c) - || (*++p == c) || (*++p == c) || (*++p == c) || (*++p == c) - || (*++p == c) || (*++p == c) || (*++p == c) || (*++p == c) - || (*++p == c) || (*++p == c) || (*++p == c) || (*++p == c) - || (*++p == c) || (*++p == c) || (*++p == c) || (*++p == c) - || (*++p == c) || (*++p == c) || (*++p == c) || (*++p == c)) - return p; - p++; - } - - n2 = n % 32; - - while (n2--) - { - if (*p == c) return p; - p++; - } - return(NULL); -} diff --git a/mdk-stage1/slang/slmemcmp.c b/mdk-stage1/slang/slmemcmp.c deleted file mode 100644 index c5ed50095..000000000 --- a/mdk-stage1/slang/slmemcmp.c +++ /dev/null @@ -1,76 +0,0 @@ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -/* These routines are fast memcpy, memset routines. When available, I - use system rouines. For msdos, I use inline assembly. */ - -/* The current versions only work in the forward direction only!! */ - -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -/* This is an UNSIGNED comparison designed for systems that either do not have -* this function or performed a signed comparison (SunOS) -*/ -int SLmemcmp(register char *s1, register char *s2, int n) -{ - register int cmp; - register char *s1max; - - s1max = s1 + (n - 32); - - while (s1 <= s1max) - { - if (*s1 != *s2) return ((unsigned char) *s1 - (unsigned char) *s2); - if (*(s1 + 1) != *(s2 + 1)) return ((unsigned char) *(s1 + 1) - (unsigned char) *(s2 + 1)); - if (*(s1 + 2) != *(s2 + 2)) return ((unsigned char) *(s1 + 2) - (unsigned char) *(s2 + 2)); - if (*(s1 + 3) != *(s2 + 3)) return ((unsigned char) *(s1 + 3) - (unsigned char) *(s2 + 3)); - if (*(s1 + 4) != *(s2 + 4)) return ((unsigned char) *(s1 + 4) - (unsigned char) *(s2 + 4)); - if (*(s1 + 5) != *(s2 + 5)) return ((unsigned char) *(s1 + 5) - (unsigned char) *(s2 + 5)); - if (*(s1 + 6) != *(s2 + 6)) return ((unsigned char) *(s1 + 6) - (unsigned char) *(s2 + 6)); - if (*(s1 + 7) != *(s2 + 7)) return ((unsigned char) *(s1 + 7) - (unsigned char) *(s2 + 7)); - if (*(s1 + 8) != *(s2 + 8)) return ((unsigned char) *(s1 + 8) - (unsigned char) *(s2 + 8)); - if (*(s1 + 9) != *(s2 + 9)) return ((unsigned char) *(s1 + 9) - (unsigned char) *(s2 + 9)); - if (*(s1 + 10) != *(s2 + 10)) return ((unsigned char) *(s1 + 10) - (unsigned char) *(s2 + 10)); - if (*(s1 + 11) != *(s2 + 11)) return ((unsigned char) *(s1 + 11) - (unsigned char) *(s2 + 11)); - if (*(s1 + 12) != *(s2 + 12)) return ((unsigned char) *(s1 + 12) - (unsigned char) *(s2 + 12)); - if (*(s1 + 13) != *(s2 + 13)) return ((unsigned char) *(s1 + 13) - (unsigned char) *(s2 + 13)); - if (*(s1 + 14) != *(s2 + 14)) return ((unsigned char) *(s1 + 14) - (unsigned char) *(s2 + 14)); - if (*(s1 + 15) != *(s2 + 15)) return ((unsigned char) *(s1 + 15) - (unsigned char) *(s2 + 15)); - if (*(s1 + 16) != *(s2 + 16)) return ((unsigned char) *(s1 + 16) - (unsigned char) *(s2 + 16)); - if (*(s1 + 17) != *(s2 + 17)) return ((unsigned char) *(s1 + 17) - (unsigned char) *(s2 + 17)); - if (*(s1 + 18) != *(s2 + 18)) return ((unsigned char) *(s1 + 18) - (unsigned char) *(s2 + 18)); - if (*(s1 + 19) != *(s2 + 19)) return ((unsigned char) *(s1 + 19) - (unsigned char) *(s2 + 19)); - if (*(s1 + 20) != *(s2 + 20)) return ((unsigned char) *(s1 + 20) - (unsigned char) *(s2 + 20)); - if (*(s1 + 21) != *(s2 + 21)) return ((unsigned char) *(s1 + 21) - (unsigned char) *(s2 + 21)); - if (*(s1 + 22) != *(s2 + 22)) return ((unsigned char) *(s1 + 22) - (unsigned char) *(s2 + 22)); - if (*(s1 + 23) != *(s2 + 23)) return ((unsigned char) *(s1 + 23) - (unsigned char) *(s2 + 23)); - if (*(s1 + 24) != *(s2 + 24)) return ((unsigned char) *(s1 + 24) - (unsigned char) *(s2 + 24)); - if (*(s1 + 25) != *(s2 + 25)) return ((unsigned char) *(s1 + 25) - (unsigned char) *(s2 + 25)); - if (*(s1 + 26) != *(s2 + 26)) return ((unsigned char) *(s1 + 26) - (unsigned char) *(s2 + 26)); - if (*(s1 + 27) != *(s2 + 27)) return ((unsigned char) *(s1 + 27) - (unsigned char) *(s2 + 27)); - if (*(s1 + 28) != *(s2 + 28)) return ((unsigned char) *(s1 + 28) - (unsigned char) *(s2 + 28)); - if (*(s1 + 29) != *(s2 + 29)) return ((unsigned char) *(s1 + 29) - (unsigned char) *(s2 + 29)); - if (*(s1 + 30) != *(s2 + 30)) return ((unsigned char) *(s1 + 30) - (unsigned char) *(s2 + 30)); - if (*(s1 + 31) != *(s2 + 31)) return ((unsigned char) *(s1 + 31) - (unsigned char) *(s2 + 31)); - s1 += 32; s2 += 32; - } - - s1max = s1 + (n % 32); - - while (s1 < s1max) - { - cmp = (unsigned char) *s1 - (unsigned char) *s2; - if (cmp) return(cmp); - s1++; - s2++; - } - - return(0); -} diff --git a/mdk-stage1/slang/slmemcpy.c b/mdk-stage1/slang/slmemcpy.c deleted file mode 100644 index e8665e4c6..000000000 --- a/mdk-stage1/slang/slmemcpy.c +++ /dev/null @@ -1,49 +0,0 @@ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -/* These routines are fast memcpy, memset routines. When available, I - use system rouines. For msdos, I use inline assembly. */ - -/* The current versions only work in the forward direction only!! */ - -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -char *SLmemcpy(char *s1, char *s2, int n) -{ -#if defined(__BORLANDC__) && defined(__MSDOS__) - asm mov ax, ds - asm mov bx, si - asm mov dx, di - asm mov cx, n - asm les di, s1 - asm lds si, s2 - asm cld - asm rep movsb - asm mov ds, ax - asm mov si, bx - asm mov di, dx - return(s1); - -#else - register char *smax, *s = s1; - int n2; - - n2 = n % 4; - smax = s + (n - 4); - while (s <= smax) - { - *s = *s2; *(s + 1) = *(s2 + 1); *(s + 2) = *(s2 + 2); *(s + 3) = *(s2 + 3); - s += 4; - s2 += 4; - } - while (n2--) *s++ = *s2++; - return(s1); -#endif -} diff --git a/mdk-stage1/slang/slmemset.c b/mdk-stage1/slang/slmemset.c deleted file mode 100644 index 3851663c5..000000000 --- a/mdk-stage1/slang/slmemset.c +++ /dev/null @@ -1,39 +0,0 @@ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -/* These routines are fast memcpy, memset routines. When available, I - use system rouines. For msdos, I use inline assembly. */ - -/* The current versions only work in the forward direction only!! */ - -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -void SLmemset(char *p, char space, int n) -{ -#if defined(__BORLANDC__) && defined(__MSDOS__) - asm mov al, space - asm mov dx, di - asm mov cx, n - asm les di, p - asm cld - asm rep stosb - asm mov di, dx -#else - register char *pmax; - - pmax = p + (n - 4); - n = n % 4; - while (p <= pmax) - { - *p++ = space; *p++ = space; *p++ = space; *p++= space; - } - while (n--) *p++ = space; -#endif -} diff --git a/mdk-stage1/slang/slmisc.c b/mdk-stage1/slang/slmisc.c deleted file mode 100644 index ccc7a9bdf..000000000 --- a/mdk-stage1/slang/slmisc.c +++ /dev/null @@ -1,330 +0,0 @@ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -#define DEBUG_MALLOC 0 - -#if DEBUG_MALLOC -# define SLREALLOC_FUN SLdebug_realloc -# define SLMALLOC_FUN SLdebug_malloc -# define SLFREE_FUN SLdebug_free -#else -# define SLREALLOC_FUN SLREALLOC -# define SLMALLOC_FUN SLMALLOC -# define SLFREE_FUN SLFREE -#endif - -/* Version information goes here since this file is always needed. */ -int SLang_Version = SLANG_VERSION; -char *SLang_Version_String = SLANG_VERSION_STRING; - -char *SLmake_string(char *str) -{ - return SLmake_nstring(str, strlen (str)); -} - -char *SLmake_nstring (char *str, unsigned int n) -{ - char *ptr; - - if (NULL == (ptr = SLmalloc(n + 1))) - { - return NULL; - } - SLMEMCPY (ptr, str, n); - ptr[n] = 0; - return(ptr); -} - -void SLmake_lut (unsigned char *lut, unsigned char *range, unsigned char reverse) -{ - register unsigned char *l = lut, *lmax = lut + 256; - int i, r1, r2; - - while (l < lmax) *l++ = reverse; - reverse = !reverse; - - r1 = *range++; - while (r1) - { - r2 = *range++; - if ((r2 == '-') && (*range != 0)) - { - r2 = *range++; - for (i = r1; i <= r2; i++) lut[i] = reverse; - r1 = *range++; - continue; - } - lut[r1] = reverse; - r1 = r2; - } -} - -char *SLmalloc (unsigned int len) -{ - char *p; - - p = (char *) SLMALLOC_FUN (len); - if (p == NULL) - SLang_Error = SL_MALLOC_ERROR; - - return p; -} - -void SLfree (char *p) -{ - if (p != NULL) SLFREE_FUN (p); -} - -char *SLrealloc (char *p, unsigned int len) -{ - if (len == 0) - { - SLfree (p); - return NULL; - } - - if (p == NULL) p = SLmalloc (len); - else - { - p = (char *)SLREALLOC_FUN (p, len); - if (p == NULL) - SLang_Error = SL_MALLOC_ERROR; - } - return p; -} - -char *SLcalloc (unsigned int nelems, unsigned int len) -{ - char *p; - - len = nelems * len; - p = SLmalloc (len); - if (p != NULL) SLMEMSET (p, 0, len); - return p; -} - -/* p and ch may point to the same buffer */ -char *_SLexpand_escaped_char(char *p, char *ch) -{ - int i = 0; - int max = 0, num, base = 0; - char ch1; - - ch1 = *p++; - - switch (ch1) - { - default: num = ch1; break; - case 'n': num = '\n'; break; - case 't': num = '\t'; break; - case 'v': num = '\v'; break; - case 'b': num = '\b'; break; - case 'r': num = '\r'; break; - case 'f': num = '\f'; break; - case 'E': case 'e': num = 27; break; - case 'a': num = 7; - break; - - /* octal */ - case '0': case '1': case '2': case '3': - case '4': case '5': case '6': case '7': - max = '7'; - base = 8; i = 2; num = ch1 - '0'; - break; - - case 'd': /* decimal -- S-Lang extension */ - base = 10; - i = 3; - max = '9'; - num = 0; - break; - - case 'x': /* hex */ - base = 16; - max = '9'; - i = 2; - num = 0; - break; - } - - while (i--) - { - ch1 = *p; - - if ((ch1 <= max) && (ch1 >= '0')) - { - num = base * num + (ch1 - '0'); - } - else if (base == 16) - { - ch1 |= 0x20; - if ((ch1 < 'a') || ((ch1 > 'f'))) break; - num = base * num + 10 + (ch1 - 'a'); - } - else break; - p++; - } - - *ch = (char) num; - return p; -} - -/* s and t could represent the same space */ -void SLexpand_escaped_string (register char *s, register char *t, - register char *tmax) -{ - char ch; - - while (t < tmax) - { - ch = *t++; - if (ch == '\\') - { - t = _SLexpand_escaped_char (t, &ch); - } - *s++ = ch; - } - *s = 0; -} - -int SLextract_list_element (char *list, unsigned int nth, char delim, - char *elem, unsigned int buflen) -{ - char *el, *elmax; - char ch; - - while (nth > 0) - { - while ((0 != (ch = *list)) && (ch != delim)) - list++; - - if (ch == 0) return -1; - - list++; - nth--; - } - - el = elem; - elmax = el + (buflen - 1); - - while ((0 != (ch = *list)) && (ch != delim) && (el < elmax)) - *el++ = *list++; - *el = 0; - - return 0; -} - -#ifndef HAVE_VSNPRINTF -int _SLvsnprintf (char *buf, unsigned int buflen, char *fmt, va_list ap) -{ -#if 1 - unsigned int len; - - /* On some systems vsprintf returns useless information. So, punt */ - vsprintf (buf, fmt, ap); - len = strlen (buf); - if (len >= buflen) - { - SLang_exit_error ("\ -Your system lacks the vsnprintf system call and vsprintf overflowed a buffer.\n\ -The integrity of this program has been violated.\n"); - return EOF; /* NOT reached */ - } - return (int)len; -#else - int status; - - status = vsprintf (buf, fmt, ap); - if (status >= (int) buflen) - { - /* If we are lucky, we will get this far. The real solution is to - * provide a working version of vsnprintf - */ - SLang_exit_error ("\ -Your system lacks the vsnprintf system call and vsprintf overflowed a buffer.\n\ -The integrity of this program has been violated.\n"); - return EOF; /* NOT reached */ - } - return status; -#endif -} -#endif - -#ifndef HAVE_SNPRINTF -int _SLsnprintf (char *buf, unsigned int buflen, char *fmt, ...) -{ - int status; - - va_list ap; - - va_start (ap, fmt); - status = _SLvsnprintf (buf, buflen, fmt, ap); - va_end (ap); - - return status; -} -#endif - -typedef struct _Cleanup_Function_Type -{ - struct _Cleanup_Function_Type *next; - void (*f)(void); -} -Cleanup_Function_Type; - -static Cleanup_Function_Type *Cleanup_Function_List; - -static void cleanup_slang (void) -{ - while (Cleanup_Function_List != NULL) - { - Cleanup_Function_Type *next = Cleanup_Function_List->next; - (*Cleanup_Function_List->f)(); - SLFREE_FUN ((char *) Cleanup_Function_List); - Cleanup_Function_List = next; - } -} - -#ifndef HAVE_ATEXIT -# ifdef HAVE_ON_EXIT -static void on_exit_cleanup_slang (int arg_unused) -{ - (void) arg_unused; - cleanup_slang (); -} -# endif -#endif - -int SLang_add_cleanup_function (void (*f)(void)) -{ - Cleanup_Function_Type *l; - - l = (Cleanup_Function_Type *) SLMALLOC_FUN (sizeof (Cleanup_Function_Type)); - if (l == NULL) - return -1; - - l->f = f; - l->next = Cleanup_Function_List; - - if (Cleanup_Function_List == NULL) - { -#ifdef HAVE_ATEXIT - (void) atexit (cleanup_slang); -#else -# ifdef HAVE_ON_EXIT - (void) on_exit (on_exit_cleanup_slang, 0); -# endif -#endif - } - Cleanup_Function_List = l; - return 0; -} - diff --git a/mdk-stage1/slang/slnspace.c b/mdk-stage1/slang/slnspace.c deleted file mode 100644 index 174ba7c81..000000000 --- a/mdk-stage1/slang/slnspace.c +++ /dev/null @@ -1,242 +0,0 @@ -/* -*- mode: C; mode: fold; -*- */ -/* slnspace.c --- Name Space implementation */ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -static SLang_NameSpace_Type *Namespace_Tables; - -static SLang_NameSpace_Type *find_name_table (char *name) -{ - SLang_NameSpace_Type *table_list; - - table_list = Namespace_Tables; - while (table_list != NULL) - { - if (0 == strcmp (table_list->name, name)) - break; - table_list = table_list->next; - } - return table_list; -} - -SLang_NameSpace_Type *_SLns_find_namespace (char *name) -{ - SLang_NameSpace_Type *table_list; - - table_list = Namespace_Tables; - while (table_list != NULL) - { - if ((table_list->namespace_name != NULL) - && (0 == strcmp (table_list->namespace_name, name))) - break; - table_list = table_list->next; - } - return table_list; -} - -SLang_NameSpace_Type *_SLns_allocate_namespace (char *name, unsigned int size) -{ - SLang_NameSpace_Type *table_list; - SLang_Name_Type **nt; - - if (NULL != (table_list = find_name_table (name))) - return table_list; - - if (NULL == (name = SLang_create_slstring (name))) - return NULL; - - if (NULL == (table_list = (SLang_NameSpace_Type *) - SLmalloc (sizeof (SLang_NameSpace_Type)))) - { - SLang_free_slstring (name); - return NULL; - } - - if (NULL == (nt = (SLang_Name_Type **) SLmalloc (sizeof (SLang_Name_Type *) * size))) - { - SLang_free_slstring (name); - SLfree ((char *)table_list); - return NULL; - } - - memset ((char *)nt, 0, size * sizeof (SLang_Name_Type *)); - memset ((char *) table_list, 0, sizeof (SLang_NameSpace_Type)); - - table_list->name = name; - table_list->table = nt; - table_list->table_size = size; - - table_list->next = Namespace_Tables; - Namespace_Tables = table_list; - - return table_list; -} - -int _SLns_set_namespace_name (SLang_NameSpace_Type *t, char *name) -{ - SLang_NameSpace_Type *t1; - - t1 = _SLns_find_namespace (name); - if (t1 == NULL) - t1 = t; - - if ((t != t1) || (*name == 0)) - { - SLang_verror (SL_INTRINSIC_ERROR, "Namespace \"%s\" already exists", - name); - return -1; - } - - if (NULL == (name = SLang_create_slstring (name))) - return -1; - - SLang_free_slstring (t->namespace_name); /* NULL ok */ - t->namespace_name = name; - - return 0; -} - -SLang_Array_Type *_SLnspace_apropos (SLang_NameSpace_Type *ns, char *pat, unsigned int what) -{ - SLang_Array_Type *at; - unsigned int table_size; - SLang_Name_Type *t, **table; - int num_matches; - unsigned int i; - SLRegexp_Type rexp; - unsigned char rbuf[512]; - unsigned int two; - - at = NULL; - - if ((ns == NULL) - || ((table = ns->table) == NULL)) - return NULL; - - memset ((char *) &rexp, 0, sizeof (SLRegexp_Type)); - rexp.case_sensitive = 1; - rexp.buf = rbuf; - rexp.buf_len = sizeof (rbuf); - rexp.pat = (unsigned char *)pat; - - if (0 != SLang_regexp_compile (&rexp)) - { - SLang_verror (SL_INVALID_PARM, "Invalid regular expression: %s", pat); - return NULL; - } - - table_size = ns->table_size; - - two = 2; - while (two != 0) - { - two--; - - num_matches = 0; - for (i = 0; i < table_size; i++) - { - t = table[i]; - while (t != NULL) - { - unsigned int flags; - char *name = t->name; - - switch (t->name_type) - { - case SLANG_GVARIABLE: - flags = 8; - break; - - case SLANG_ICONSTANT: - case SLANG_DCONSTANT: - case SLANG_RVARIABLE: - case SLANG_IVARIABLE: - flags = 4; - break; - - case SLANG_INTRINSIC: - case SLANG_MATH_UNARY: - case SLANG_APP_UNARY: - flags = 1; - break; - - case SLANG_FUNCTION: - flags = 2; - break; - - default: - flags = 0; - break; - } - - if ((flags & what) - && (NULL != SLang_regexp_match ((unsigned char *)name, strlen (name), &rexp))) - { - if (at != NULL) - { - if (-1 == SLang_set_array_element (at, &num_matches, (VOID_STAR)&name)) - goto return_error; - } - num_matches++; - } - t = t->next; - } - } - - if (at == NULL) - { - at = SLang_create_array (SLANG_STRING_TYPE, 0, NULL, &num_matches, 1); - if (at == NULL) - goto return_error; - } - } - - return at; - - return_error: - SLang_free_array (at); - return NULL; -} - -SLang_NameSpace_Type *SLns_create_namespace (char *namespace_name) -{ - SLang_NameSpace_Type *ns; - static int num; - char name[64]; - - if (namespace_name == NULL) - namespace_name = "Global"; - - ns = _SLns_find_namespace (namespace_name); - if (ns != NULL) - return ns; - - sprintf (name, " *** internal ns <%d> *** ", num); - - if (NULL == (ns = _SLns_allocate_namespace (name, SLSTATIC_HASH_TABLE_SIZE))) - return NULL; - - num++; - if (-1 == _SLns_set_namespace_name (ns, namespace_name)) - { - SLns_delete_namespace (ns); - return NULL; - } - - return ns; -} - -void SLns_delete_namespace (SLang_NameSpace_Type *ns) -{ - (void) ns; - /* V2.0 */ -} diff --git a/mdk-stage1/slang/slospath.c b/mdk-stage1/slang/slospath.c deleted file mode 100644 index 644931e81..000000000 --- a/mdk-stage1/slang/slospath.c +++ /dev/null @@ -1,73 +0,0 @@ -/* Pathname intrinsic functions */ -/* Copyright (c) 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -static void path_concat (char *a, char *b) -{ - SLang_push_malloced_string (SLpath_dircat (a,b)); -} - -static void path_extname (char *path) -{ -#ifdef VMS - char *p; -#endif - - path = SLpath_extname (path); -#ifndef VMS - SLang_push_string (path); -#else - p = strchr (path, ';'); - if (p == NULL) - (void)SLang_push_string (p); - else - (void)SLang_push_malloced_string (SLmake_nstring (path, (unsigned int)(p - path))); -#endif -} - -static void path_basename (char *path) -{ - (void) SLang_push_string (SLpath_basename (path)); -} - -static void path_dirname (char *path) -{ - (void) SLang_push_malloced_string (SLpath_dirname (path)); -} - -static void path_sans_extname (char *path) -{ - (void) SLang_push_malloced_string (SLpath_pathname_sans_extname (path)); -} - - - -static SLang_Intrin_Fun_Type Path_Name_Table [] = -{ - MAKE_INTRINSIC_SS("path_concat", path_concat, SLANG_VOID_TYPE), - MAKE_INTRINSIC_S("path_extname", path_extname, SLANG_VOID_TYPE), - MAKE_INTRINSIC_S("path_dirname", path_dirname, SLANG_VOID_TYPE), - MAKE_INTRINSIC_S("path_basename", path_basename, SLANG_VOID_TYPE), - MAKE_INTRINSIC_S("path_sans_extname", path_sans_extname, SLANG_VOID_TYPE), - MAKE_INTRINSIC_S("path_is_absolute", SLpath_is_absolute_path, SLANG_INT_TYPE), - SLANG_END_INTRIN_FUN_TABLE -}; - -int SLang_init_ospath (void) -{ - if (-1 == SLadd_intrin_fun_table(Path_Name_Table, "__OSPATH__")) - return -1; - - return 0; -} - - diff --git a/mdk-stage1/slang/slpack.c b/mdk-stage1/slang/slpack.c deleted file mode 100644 index 53ef63643..000000000 --- a/mdk-stage1/slang/slpack.c +++ /dev/null @@ -1,785 +0,0 @@ -/* Pack objects as a binary string */ -/* Copyright (c) 1998, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ -#include "slinclud.h" - -#include <ctype.h> - -#include "slang.h" -#include "_slang.h" - -#ifndef isdigit -# define isdigit(c) (((c)>='0')&&((c)<= '9')) -#endif -#ifndef isspace -# define isspace(c) (((c)==' ') || ((c)=='\t') || ((c)=='\n')) -#endif - -/* format description: - * - * s = string (null padded) - * S = string (space padded) - * c = signed char - * C = unsigned char - * h = short - * H = unsigned short - * i = int - * I = unsigned int - * l = long - * L = unsigned long - * j = 16 bit signed integer (short) - * J = 16 bit unsigned integer (short) - * k = 32 bit signed integer (long) - * K = 32 bit unsigned integer (long) - * f = float (native format) - * F = 32 bit double - * d = double (native format) - * D = 64 bit double - * x = null pad byte - * > = big-endian mode - * < = little-endian mode - * = = native mode - */ - -#define NATIVE_ORDER 0 -#define BIGENDIAN_ORDER 1 -#define LILENDIAN_ORDER 2 -static int Native_Byte_Order = NATIVE_ORDER; - -typedef struct -{ - char format_type; - unsigned char data_type; - unsigned int repeat; - unsigned int sizeof_type; - char pad; - int byteorder; - int is_scalar; -} -Format_Type; - -static int get_int_type_for_size (unsigned int size, unsigned char *s, unsigned char *u) -{ - if (sizeof (int) == size) - { - if (s != NULL) *s = SLANG_INT_TYPE; - if (u != NULL) *u = SLANG_UINT_TYPE; - return 0; - } - - if (sizeof (short) == size) - { - if (s != NULL) *s = SLANG_SHORT_TYPE; - if (u != NULL) *u = SLANG_USHORT_TYPE; - return 1; - } - - if (sizeof (long) == size) - { - if (s != NULL) *s = SLANG_LONG_TYPE; - if (u != NULL) *u = SLANG_ULONG_TYPE; - return 1; - } - - if (s != NULL) *s = 0; - if (u != NULL) *u = 0; - SLang_verror (SL_NOT_IMPLEMENTED, - "This OS does not support a %u byte int", size); - return -1; -} - -static int get_float_type_for_size (unsigned int size, unsigned char *s) -{ - if (sizeof (float) == size) - { - *s = SLANG_FLOAT_TYPE; - return 0; - } - - if (sizeof (double) == size) - { - *s = SLANG_DOUBLE_TYPE; - return 0; - } - - SLang_verror (SL_NOT_IMPLEMENTED, - "This OS does not support a %u byte float", size); - return -1; -} - -static int parse_a_format (char **format, Format_Type *ft) -{ - char *f; - char ch; - unsigned repeat; - - f = *format; - - while (((ch = *f++) != 0) - && isspace (ch)) - ; - - switch (ch) - { - default: - ft->byteorder = NATIVE_ORDER; - break; - - case '=': - ft->byteorder = NATIVE_ORDER; - ch = *f++; - break; - - case '>': - ft->byteorder = BIGENDIAN_ORDER; - ch = *f++; - break; - - case '<': - ft->byteorder = LILENDIAN_ORDER; - ch = *f++; - break; - } - - if (ch == 0) - { - f--; - *format = f; - return 0; - } - - ft->format_type = ch; - ft->repeat = 1; - - if (isdigit (*f)) - { - repeat = (unsigned int) (*f - '0'); - f++; - - while (isdigit (*f)) - { - unsigned int repeat10 = 10 * repeat + (unsigned int)(*f - '0'); - - /* Check overflow */ - if (repeat != repeat10 / 10) - { - SLang_verror (SL_OVERFLOW, - "Repeat count too large in [un]pack format"); - return -1; - } - repeat = repeat10; - f++; - } - ft->repeat = repeat; - } - - *format = f; - - ft->is_scalar = 1; - ft->pad = 0; - - switch (ft->format_type) - { - default: - SLang_verror (SL_NOT_IMPLEMENTED, - "[un]pack format character '%c' not supported", ft->format_type); - return -1; - - case 'D': - ft->sizeof_type = 8; - if (-1 == get_float_type_for_size (8, &ft->data_type)) - return -1; - break; - - case 'd': - ft->data_type = SLANG_DOUBLE_TYPE; - ft->sizeof_type = sizeof (double); - break; - - case 'F': - ft->sizeof_type = 4; - if (-1 == get_float_type_for_size (4, &ft->data_type)) - return -1; - break; - case 'f': - ft->data_type = SLANG_FLOAT_TYPE; - ft->sizeof_type = sizeof (float); - break; - - case 'h': - ft->data_type = SLANG_SHORT_TYPE; - ft->sizeof_type = sizeof (short); - break; - case 'H': - ft->data_type = SLANG_USHORT_TYPE; - ft->sizeof_type = sizeof (unsigned short); - break; - case 'i': - ft->data_type = SLANG_INT_TYPE; - ft->sizeof_type = sizeof (int); - break; - case 'I': - ft->data_type = SLANG_UINT_TYPE; - ft->sizeof_type = sizeof (unsigned int); - break; - case 'l': - ft->data_type = SLANG_LONG_TYPE; - ft->sizeof_type = sizeof (long); - break; - case 'L': - ft->data_type = SLANG_ULONG_TYPE; - ft->sizeof_type = sizeof (unsigned long); - break; - - /* 16 bit ints */ - case 'j': - ft->sizeof_type = 2; - if (-1 == get_int_type_for_size (2, &ft->data_type, NULL)) - return -1; - break; - case 'J': - ft->sizeof_type = 2; - if (-1 == get_int_type_for_size (2, NULL, &ft->data_type)) - return -1; - break; - - /* 32 bit ints */ - case 'k': - ft->sizeof_type = 4; - if (-1 == get_int_type_for_size (4, &ft->data_type, NULL)) - return -1; - break; - case 'K': - ft->sizeof_type = 4; - if (-1 == get_int_type_for_size (4, NULL, &ft->data_type)) - return -1; - break; - - case 'x': - ft->sizeof_type = 1; - ft->data_type = 0; - break; - - case 'c': - ft->sizeof_type = 1; - ft->data_type = SLANG_CHAR_TYPE; - break; - - case 'C': - ft->data_type = SLANG_UCHAR_TYPE; - ft->sizeof_type = 1; - break; - - case 'S': - case 'A': - ft->pad = ' '; - case 'a': - case 's': - ft->data_type = SLANG_BSTRING_TYPE; - ft->sizeof_type = 1; - ft->is_scalar = 0; - break; - } - return 1; -} - -static int compute_size_for_format (char *format, unsigned int *num_bytes) -{ - unsigned int size; - Format_Type ft; - int status; - - *num_bytes = size = 0; - - while (1 == (status = parse_a_format (&format, &ft))) - size += ft.repeat * ft.sizeof_type; - - *num_bytes = size; - return status; -} - -static void byte_swap64 (unsigned char *ss, unsigned int n) /*{{{*/ -{ - unsigned char *p, *pmax, ch; - - if (n == 0) return; - p = (unsigned char *) ss; - pmax = p + 8 * n; - while (p < pmax) - { - ch = *p; - *p = *(p + 7); - *(p + 7) = ch; - - ch = *(p + 6); - *(p + 6) = *(p + 1); - *(p + 1) = ch; - - ch = *(p + 5); - *(p + 5) = *(p + 2); - *(p + 2) = ch; - - ch = *(p + 4); - *(p + 4) = *(p + 3); - *(p + 3) = ch; - - p += 8; - } -} - -/*}}}*/ -static void byte_swap32 (unsigned char *ss, unsigned int n) /*{{{*/ -{ - unsigned char *p, *pmax, ch; - - p = (unsigned char *) ss; - pmax = p + 4 * n; - while (p < pmax) - { - ch = *p; - *p = *(p + 3); - *(p + 3) = ch; - - ch = *(p + 1); - *(p + 1) = *(p + 2); - *(p + 2) = ch; - p += 4; - } -} - -/*}}}*/ -static void byte_swap16 (unsigned char *p, unsigned int nread) /*{{{*/ -{ - unsigned char *pmax, ch; - - pmax = p + 2 * nread; - while (p < pmax) - { - ch = *p; - *p = *(p + 1); - *(p + 1) = ch; - p += 2; - } -} - -/*}}}*/ - -static int byteswap (int order, unsigned char *b, unsigned int size, unsigned int num) -{ - if (Native_Byte_Order == order) - return 0; - - switch (size) - { - case 2: - byte_swap16 (b, num); - break; - case 4: - byte_swap32 (b, num); - break; - case 8: - byte_swap64 (b, num); - break; - default: - return -1; - } - - return 0; -} - -static void check_native_byte_order (void) -{ - unsigned short x; - - if (Native_Byte_Order != NATIVE_ORDER) - return; - - x = 0xFF; - if (*(unsigned char *)&x == 0xFF) - Native_Byte_Order = LILENDIAN_ORDER; - else - Native_Byte_Order = BIGENDIAN_ORDER; -} - -static SLang_BString_Type * -pack_according_to_format (char *format, unsigned int nitems) -{ - unsigned int size, num; - unsigned char *buf, *b; - SLang_BString_Type *bs; - Format_Type ft; - - buf = NULL; - - if (-1 == compute_size_for_format (format, &size)) - goto return_error; - - if (NULL == (buf = (unsigned char *) SLmalloc (size + 1))) - goto return_error; - - b = buf; - - while (1 == parse_a_format (&format, &ft)) - { - unsigned char *ptr; - unsigned int repeat; - - repeat = ft.repeat; - if (ft.data_type == 0) - { - memset ((char *) b, ft.pad, repeat); - b += repeat; - continue; - } - - if (ft.is_scalar) - { - unsigned char *bstart; - num = repeat; - - bstart = b; - while (repeat != 0) - { - unsigned int nelements; - SLang_Array_Type *at; - - if (nitems == 0) - { - SLang_verror (SL_INVALID_PARM, - "Not enough items for pack format"); - goto return_error; - } - - if (-1 == SLang_pop_array_of_type (&at, ft.data_type)) - goto return_error; - - nelements = at->num_elements; - if (repeat < nelements) - nelements = repeat; - repeat -= nelements; - - nelements = nelements * ft.sizeof_type; - memcpy ((char *)b, (char *)at->data, nelements); - - b += nelements; - SLang_free_array (at); - nitems--; - } - - if (ft.byteorder != NATIVE_ORDER) - byteswap (ft.byteorder, bstart, ft.sizeof_type, num); - - continue; - } - - /* Otherwise we have a string */ - if (-1 == SLang_pop_bstring (&bs)) - goto return_error; - - ptr = SLbstring_get_pointer (bs, &num); - if (repeat < num) num = repeat; - memcpy ((char *)b, (char *)ptr, num); - b += num; - repeat -= num; - memset ((char *)b, ft.pad, repeat); - SLbstring_free (bs); - b += repeat; - nitems--; - } - - *b = 0; - bs = SLbstring_create_malloced (buf, size, 0); - if (bs == NULL) - goto return_error; - - SLdo_pop_n (nitems); - return bs; - - return_error: - SLdo_pop_n (nitems); - if (buf != NULL) - SLfree ((char *) buf); - - return NULL; -} - -void _SLpack (void) -{ - SLang_BString_Type *bs; - char *fmt; - int nitems; - - check_native_byte_order (); - - nitems = SLang_Num_Function_Args; - if (nitems <= 0) - { - SLang_verror (SL_SYNTAX_ERROR, - "pack: not enough arguments"); - return; - } - - if ((-1 == SLreverse_stack (nitems)) - || (-1 == SLang_pop_slstring (&fmt))) - bs = NULL; - else - { - bs = pack_according_to_format (fmt, (unsigned int)nitems - 1); - SLang_free_slstring (fmt); - } - - SLang_push_bstring (bs); - SLbstring_free (bs); -} - -void _SLunpack (char *format, SLang_BString_Type *bs) -{ - Format_Type ft; - unsigned char *b; - unsigned int len; - unsigned int num_bytes; - - check_native_byte_order (); - - if (-1 == compute_size_for_format (format, &num_bytes)) - return; - - b = SLbstring_get_pointer (bs, &len); - if (b == NULL) - return; - - if (len < num_bytes) - { - SLang_verror (SL_INVALID_PARM, - "unpack format %s is too large for input string", - format); - return; - } - - while (1 == parse_a_format (&format, &ft)) - { - char *str, *s; - - if (ft.repeat == 0) - continue; - - if (ft.data_type == 0) - { /* skip padding */ - b += ft.repeat; - continue; - } - - if (ft.is_scalar) - { - SLang_Array_Type *at; - int dims; - - if (ft.repeat == 1) - { - SLang_Class_Type *cl; - - cl = _SLclass_get_class (ft.data_type); - memcpy ((char *)cl->cl_transfer_buf, (char *)b, ft.sizeof_type); - if (ft.byteorder != NATIVE_ORDER) - byteswap (ft.byteorder, (unsigned char *)cl->cl_transfer_buf, ft.sizeof_type, 1); - - if (-1 == (cl->cl_apush (ft.data_type, cl->cl_transfer_buf))) - return; - b += ft.sizeof_type; - continue; - } - - dims = (int) ft.repeat; - at = SLang_create_array (ft.data_type, 0, NULL, &dims, 1); - if (at == NULL) - return; - - num_bytes = ft.repeat * ft.sizeof_type; - memcpy ((char *)at->data, (char *)b, num_bytes); - if (ft.byteorder != NATIVE_ORDER) - byteswap (ft.byteorder, (unsigned char *)at->data, ft.sizeof_type, ft.repeat); - - if (-1 == SLang_push_array (at, 1)) - return; - - b += num_bytes; - continue; - } - - len = ft.repeat; - str = SLmalloc (len + 1); - if (str == NULL) - return; - - memcpy ((char *) str, (char *)b, len); - str [len] = 0; - - if (ft.pad == ' ') - { - unsigned int new_len; - - s = str + len; - while (s > str) - { - s--; - if ((*s != ' ') && (*s != 0)) - { - s++; - break; - } - *s = 0; - } - new_len = (unsigned int) (s - str); - - if (new_len != len) - { - s = SLrealloc (str, new_len + 1); - if (s == NULL) - { - SLfree (str); - return; - } - str = s; - len = new_len; - } - } - - /* Avoid a bstring if possible */ - s = SLmemchr (str, 0, len); - if (s == NULL) - { - if (-1 == SLang_push_malloced_string (str)) - return; - } - else - { - SLang_BString_Type *new_bs; - - new_bs = SLbstring_create_malloced ((unsigned char *)str, len, 1); - if (new_bs == NULL) - return; - - if (-1 == SLang_push_bstring (new_bs)) - { - SLfree (str); - return; - } - SLbstring_free (new_bs); - } - - b += ft.repeat; - } -} - -unsigned int _SLpack_compute_size (char *format) -{ - unsigned int n; - - n = 0; - (void) compute_size_for_format (format, &n); - return n; -} - -void _SLpack_pad_format (char *format) -{ - unsigned int len, max_len; - Format_Type ft; - char *buf, *b; - - check_native_byte_order (); - - /* Just check the syntax */ - if (-1 == compute_size_for_format (format, &max_len)) - return; - - /* This should be sufficient to handle any needed xyy padding characters. - * I cannot see how this will be overrun - */ - max_len = 4 * (strlen (format) + 1); - if (NULL == (buf = SLmalloc (max_len + 1))) - return; - - b = buf; - len = 0; - while (1 == parse_a_format (&format, &ft)) - { - struct { char a; short b; } s_h; - struct { char a; int b; } s_i; - struct { char a; long b; } s_l; - struct { char a; float b; } s_f; - struct { char a; double b; } s_d; - unsigned int pad; - - if (ft.repeat == 0) - continue; - - if (ft.data_type == 0) - { /* pad */ - sprintf (b, "x%u", ft.repeat); - b += strlen (b); - len += ft.repeat; - continue; - } - - switch (ft.data_type) - { - default: - case SLANG_STRING_TYPE: - case SLANG_BSTRING_TYPE: - case SLANG_CHAR_TYPE: - case SLANG_UCHAR_TYPE: - pad = 0; - break; - - case SLANG_SHORT_TYPE: - case SLANG_USHORT_TYPE: - pad = ((unsigned int) ((char *)&s_h.b - (char *)&s_h.a)); - break; - - case SLANG_INT_TYPE: - case SLANG_UINT_TYPE: - pad = ((unsigned int) ((char *)&s_i.b - (char *)&s_i.a)); - break; - - case SLANG_LONG_TYPE: - case SLANG_ULONG_TYPE: - pad = ((unsigned int) ((char *)&s_l.b - (char *)&s_l.a)); - break; - - case SLANG_FLOAT_TYPE: - pad = ((unsigned int) ((char *)&s_f.b - (char *)&s_f.a)); - break; - - case SLANG_DOUBLE_TYPE: - pad = ((unsigned int) ((char *)&s_d.b - (char *)&s_d.a)); - break; - } - - /* Pad to a length that is an integer multiple of pad. */ - if (pad) - pad = pad * ((len + pad - 1)/pad) - len; - - if (pad) - { - sprintf (b, "x%u", pad); - b += strlen (b); - len += pad; - } - - *b++ = ft.format_type; - if (ft.repeat > 1) - { - sprintf (b, "%u", ft.repeat); - b += strlen (b); - } - - len += ft.repeat * ft.sizeof_type; - } - *b = 0; - - (void) SLang_push_malloced_string (buf); -} diff --git a/mdk-stage1/slang/slparse.c b/mdk-stage1/slang/slparse.c deleted file mode 100644 index bc709d1fb..000000000 --- a/mdk-stage1/slang/slparse.c +++ /dev/null @@ -1,1970 +0,0 @@ -/* Copyright (c) 1998, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -static SLang_Load_Type *LLT; -int _SLang_Compile_Line_Num_Info; - -static void free_token (_SLang_Token_Type *t) -{ - register unsigned int nrefs = t->num_refs; - - if (nrefs == 0) - return; - - if (nrefs == 1) - { - if (t->free_sval_flag) - { - if (t->type == BSTRING_TOKEN) - SLbstring_free (t->v.b_val); - else - _SLfree_hashed_string (t->v.s_val, strlen (t->v.s_val), t->hash); - t->v.s_val = NULL; - } - } - - t->num_refs = nrefs - 1; -} - -static void init_token (_SLang_Token_Type *t) -{ - memset ((char *) t, 0, sizeof (_SLang_Token_Type)); -#if _SLANG_HAS_DEBUG_CODE - t->line_number = -1; -#endif -} - -/* Allow room for one push back of a token. This is necessary for - * multiple assignment. - */ -static unsigned int Use_Next_Token; -static _SLang_Token_Type Next_Token; -#if _SLANG_HAS_DEBUG_CODE -static int Last_Line_Number = -1; -#endif - -static int unget_token (_SLang_Token_Type *ctok) -{ - if (SLang_Error) - return -1; - if (Use_Next_Token != 0) - { - _SLparse_error ("unget_token failed", ctok, 0); - return -1; - } - - Use_Next_Token++; - Next_Token = *ctok; - init_token (ctok); - return 0; -} - -static int get_token (_SLang_Token_Type *ctok) -{ - if (ctok->num_refs) - free_token (ctok); - - if (Use_Next_Token) - { - Use_Next_Token--; - *ctok = Next_Token; - return ctok->type; - } - - return _SLget_token (ctok); -} - -static int compile_token (_SLang_Token_Type *t) -{ -#if _SLANG_HAS_DEBUG_CODE - if (_SLang_Compile_Line_Num_Info - && (t->line_number != Last_Line_Number) - && (t->line_number != -1)) - { - _SLang_Token_Type tok; - tok.type = LINE_NUM_TOKEN; - tok.v.long_val = Last_Line_Number = t->line_number; - (*_SLcompile_ptr) (&tok); - } -#endif - (*_SLcompile_ptr) (t); - return 0; -} - -typedef struct -{ -#define USE_PARANOID_MAGIC 0 -#if USE_PARANOID_MAGIC - unsigned long magic; -#endif - _SLang_Token_Type *stack; - unsigned int len; - unsigned int size; -} -Token_List_Type; - -#define MAX_TOKEN_LISTS 16 -static Token_List_Type Token_List_Stack [MAX_TOKEN_LISTS]; -static unsigned int Token_List_Stack_Depth = 0; -static Token_List_Type *Token_List = NULL; - -static void init_token_list (Token_List_Type *t) -{ - t->size = 0; - t->len = 0; - t->stack = NULL; -#if USE_PARANOID_MAGIC - t->magic = 0xABCDEF12; -#endif -} - -static void free_token_list (Token_List_Type *t) -{ - _SLang_Token_Type *s; - - if (t == NULL) - return; -#if USE_PARANOID_MAGIC - if (t->magic != 0xABCDEF12) - { - SLang_doerror ("Magic error."); - return; - } -#endif - s = t->stack; - if (s != NULL) - { - _SLang_Token_Type *smax = s + t->len; - while (s != smax) - { - if (s->num_refs) free_token (s); - s++; - } - - SLfree ((char *) t->stack); - } - - memset ((char *) t, 0, sizeof (Token_List_Type)); -} - -static Token_List_Type *push_token_list (void) -{ - if (Token_List_Stack_Depth == MAX_TOKEN_LISTS) - { - _SLparse_error ("Token list stack size exceeded", NULL, 0); - return NULL; - } - - Token_List = Token_List_Stack + Token_List_Stack_Depth; - Token_List_Stack_Depth++; - init_token_list (Token_List); - return Token_List; -} - -static int pop_token_list (int do_free) -{ - if (Token_List_Stack_Depth == 0) - { - if (SLang_Error == 0) - _SLparse_error ("Token list stack underflow", NULL, 0); - return -1; - } - Token_List_Stack_Depth--; - - if (do_free) free_token_list (Token_List); - - if (Token_List_Stack_Depth != 0) - Token_List = Token_List_Stack + (Token_List_Stack_Depth - 1); - else - Token_List = NULL; - - return 0; -} - -static int check_token_list_space (Token_List_Type *t, unsigned int delta_size) -{ - _SLang_Token_Type *st; - unsigned int len; -#if USE_PARANOID_MAGIC - if (t->magic != 0xABCDEF12) - { - SLang_doerror ("Magic error."); - return -1; - } -#endif - len = t->len + delta_size; - if (len <= t->size) return 0; - - if (delta_size < 4) - { - delta_size = 4; - len = t->len + delta_size; - } - - st = (_SLang_Token_Type *) SLrealloc((char *) t->stack, - len * sizeof(_SLang_Token_Type)); - if (st == NULL) - { - _SLparse_error ("Malloc error", NULL, 0); - return -1; - } - - memset ((char *) (st + t->len), 0, delta_size); - - t->stack = st; - t->size = len; - return 0; -} - -static int append_token (_SLang_Token_Type *t) -{ - if (-1 == check_token_list_space (Token_List, 1)) - return -1; - - Token_List->stack [Token_List->len] = *t; - Token_List->len += 1; - t->num_refs = 0; /* stealing it */ - return 0; -} - -static int append_token_of_type (unsigned char t) -{ - _SLang_Token_Type *tok; - - if (-1 == check_token_list_space (Token_List, 1)) - return -1; - - /* The memset when the list was created ensures that the other fields - * are properly initialized. - */ - tok = Token_List->stack + Token_List->len; - init_token (tok); - tok->type = t; - Token_List->len += 1; - return 0; -} - -static _SLang_Token_Type *get_last_token (void) -{ - unsigned int len; - - if ((Token_List == NULL) - || (0 == (len = Token_List->len))) - return NULL; - - len--; - return Token_List->stack + len; -} - -/* This function does NOT free the list. */ -static int compile_token_list_with_fun (int dir, Token_List_Type *list, - int (*f)(_SLang_Token_Type *)) -{ - _SLang_Token_Type *t0, *t1; - - if (list == NULL) - return -1; - - if (f == NULL) - f = compile_token; - - t0 = list->stack; - t1 = t0 + list->len; - - if (dir < 0) - { - /* backwards */ - - while ((SLang_Error == 0) && (t1 > t0)) - { - t1--; - (*f) (t1); - } - return 0; - } - - /* forward */ - while ((SLang_Error == 0) && (t0 < t1)) - { - (*f) (t0); - t0++; - } - return 0; -} - -static int compile_token_list (void) -{ - if (Token_List == NULL) - return -1; - - compile_token_list_with_fun (1, Token_List, NULL); - pop_token_list (1); - return 0; -} - -/* Take all elements in the list from pos2 to the end and exchange them - * with the elements at pos1, e.g., - * ...ABCDEabc ==> ...abcABCDE - * where pos1 denotes A and pos2 denotes a. - */ -static int token_list_element_exchange (unsigned int pos1, unsigned int pos2) -{ - _SLang_Token_Type *s, *s1, *s2; - unsigned int len, nloops; - - if (Token_List == NULL) - return -1; - - s = Token_List->stack; - len = Token_List->len; - - if ((s == NULL) || (len == 0) - || (pos2 >= len)) - return -1; - - /* This may not be the most efficient algorithm but the number to swap - * is most-likely going to be small, e.g, 3 - * The algorithm is to rotate the list. The particular rotation - * direction was chosen to make insert_token fast. - * It works like: - * @ ABCabcde --> BCabcdeA --> CabcdeAB --> abcdefAB - * which is optimal for Abcdef sequence produced by function calls. - * - * Profiling indicates that nloops is almost always 1, whereas the inner - * loop can loop many times (e.g., 9 times). - */ - - s2 = s + (len - 1); - s1 = s + pos1; - nloops = pos2 - pos1; - - while (nloops) - { - _SLang_Token_Type save; - - s = s1; - save = *s; - - while (s < s2) - { - *s = *(s + 1); - s++; - } - *s = save; - - nloops--; - } - return 0; -} - -#if 0 -static int insert_token (_SLang_Token_Type *t, unsigned int pos) -{ - if (-1 == append_token (t)) - return -1; - - return token_list_element_exchange (pos, Token_List->len - 1); -} -#endif -static void compile_token_of_type (unsigned char t) -{ - _SLang_Token_Type tok; - -#if _SLANG_HAS_DEBUG_CODE - tok.line_number = -1; -#endif - tok.type = t; - compile_token(&tok); -} - -static void statement (_SLang_Token_Type *); -static void compound_statement (_SLang_Token_Type *); -static void expression_with_parenthesis (_SLang_Token_Type *); -static void handle_semicolon (_SLang_Token_Type *); -static void statement_list (_SLang_Token_Type *); -static void variable_list (_SLang_Token_Type *, unsigned char); -static void struct_declaration (_SLang_Token_Type *); -static void define_function_args (_SLang_Token_Type *); -static void typedef_definition (_SLang_Token_Type *); -static void function_args_expression (_SLang_Token_Type *, int); -static void expression (_SLang_Token_Type *); -static void expression_with_commas (_SLang_Token_Type *, int); -static void simple_expression (_SLang_Token_Type *); -static void unary_expression (_SLang_Token_Type *); -static void postfix_expression (_SLang_Token_Type *); -static int check_for_lvalue (unsigned char, _SLang_Token_Type *); -/* static void primary_expression (_SLang_Token_Type *); */ -static void block (_SLang_Token_Type *); -static void inline_array_expression (_SLang_Token_Type *); -static void array_index_expression (_SLang_Token_Type *); -static void do_multiple_assignment (_SLang_Token_Type *); -static void try_multiple_assignment (_SLang_Token_Type *); -#if 0 -static void not_implemented (char *what) -{ - char err [256]; - sprintf (err, "Expression not implemented: %s", what); - _SLparse_error (err, NULL, 0); -} -#endif -static void rpn_parse_line (_SLang_Token_Type *tok) -{ - do - { - /* multiple RPN tokens possible when the file looks like: - * . <end of line> - * . <end of line> - */ - if (tok->type != RPN_TOKEN) - compile_token (tok); - free_token (tok); - } - while (EOF_TOKEN != _SLget_rpn_token (tok)); -} - -static int get_identifier_token (_SLang_Token_Type *tok) -{ - if (IDENT_TOKEN == get_token (tok)) - return IDENT_TOKEN; - - _SLparse_error ("Expecting identifier", tok, 0); - return tok->type; -} - -static void define_function (_SLang_Token_Type *ctok, unsigned char type) -{ - _SLang_Token_Type fname; - - switch (type) - { - case STATIC_TOKEN: - type = DEFINE_STATIC_TOKEN; - break; - - case PUBLIC_TOKEN: - type = DEFINE_PUBLIC_TOKEN; - break; - - case PRIVATE_TOKEN: - type = DEFINE_PRIVATE_TOKEN; - } - - init_token (&fname); - if (IDENT_TOKEN != get_identifier_token (&fname)) - { - free_token (&fname); - return; - } - - compile_token_of_type(OPAREN_TOKEN); - get_token (ctok); - define_function_args (ctok); - compile_token_of_type(FARG_TOKEN); - - if (ctok->type == OBRACE_TOKEN) - compound_statement(ctok); - - else if (ctok->type != SEMICOLON_TOKEN) - { - _SLparse_error("Expecting {", ctok, 0); - free_token (&fname); - return; - } - - fname.type = type; - compile_token (&fname); - free_token (&fname); -} - -/* statement: - * compound-statement - * if ( expression ) statement - * if ( expression ) statement else statement - * !if ( expression ) statement - * loop ( expression ) statement - * _for ( expression ) statement - * foreach ( expression ) statement - * foreach (expression ) using (expression-list) statement - * while ( expression ) statement - * do statement while (expression) ; - * for ( expressionopt ; expressionopt ; expressionopt ) statement - * ERROR_BLOCK statement - * EXIT_BLOCK statement - * USER_BLOCK0 statement - * USER_BLOCK1 statement - * USER_BLOCK2 statement - * USER_BLOCK3 statement - * USER_BLOCK4 statement - * forever statement - * break ; - * continue ; - * return expressionopt ; - * variable variable-list ; - * struct struct-decl ; - * define identifier function-args ; - * define identifier function-args compound-statement - * switch ( expression ) statement - * rpn-line - * at-line - * push ( expression ) - * ( expression ) = expression ; - * expression ; - * expression : - */ - -/* Note: This function does not return with a new token. It is up to the - * calling routine to handle that. - */ -static void statement (_SLang_Token_Type *ctok) -{ - unsigned char type; - - if (SLang_Error) - return; - - LLT->parse_level += 1; - - switch (ctok->type) - { - case OBRACE_TOKEN: - compound_statement (ctok); - break; - - case IF_TOKEN: - case IFNOT_TOKEN: - type = ctok->type; - get_token (ctok); - expression_with_parenthesis (ctok); - block (ctok); - - if (ELSE_TOKEN != get_token (ctok)) - { - compile_token_of_type (type); - unget_token (ctok); - break; - } - get_token (ctok); - block (ctok); - if (type == IF_TOKEN) type = ELSE_TOKEN; else type = NOTELSE_TOKEN; - compile_token_of_type (type); - break; - - /* case IFNOT_TOKEN: */ - case LOOP_TOKEN: - case _FOR_TOKEN: - type = ctok->type; - get_token (ctok); - expression_with_parenthesis (ctok); - block (ctok); - compile_token_of_type (type); - break; - - case FOREACH_TOKEN: - get_token (ctok); - expression_with_parenthesis (ctok); - - if (NULL == push_token_list ()) - break; - - append_token_of_type (ARG_TOKEN); - if (ctok->type == USING_TOKEN) - { - if (OPAREN_TOKEN != get_token (ctok)) - { - _SLparse_error ("Expected 'using ('", ctok, 0); - break; - } - get_token (ctok); - function_args_expression (ctok, 0); - } - append_token_of_type (EARG_TOKEN); - - compile_token_list (); - - block (ctok); - compile_token_of_type (FOREACH_TOKEN); - break; - - case WHILE_TOKEN: - get_token (ctok); - compile_token_of_type (OBRACE_TOKEN); - expression_with_parenthesis (ctok); - compile_token_of_type (CBRACE_TOKEN); - block (ctok); - compile_token_of_type (WHILE_TOKEN); - break; - - case DO_TOKEN: - get_token (ctok); - block (ctok); - - if (WHILE_TOKEN != get_token (ctok)) - { - _SLparse_error("Expecting while", ctok, 0); - break; - } - - get_token (ctok); - - compile_token_of_type (OBRACE_TOKEN); - expression_with_parenthesis (ctok); - compile_token_of_type (CBRACE_TOKEN); - compile_token_of_type (DOWHILE_TOKEN); - handle_semicolon (ctok); - break; - - case FOR_TOKEN: - - /* Look for (exp_opt ; exp_opt ; exp_opt ) */ - - if (OPAREN_TOKEN != get_token (ctok)) - { - _SLparse_error("Expecting (.", ctok, 0); - break; - } - - if (NULL == push_token_list ()) - break; - - append_token_of_type (OBRACE_TOKEN); - if (SEMICOLON_TOKEN != get_token (ctok)) - { - expression (ctok); - if (ctok->type != SEMICOLON_TOKEN) - { - _SLparse_error("Expecting ;", ctok, 0); - break; - } - } - append_token_of_type (CBRACE_TOKEN); - - append_token_of_type (OBRACE_TOKEN); - if (SEMICOLON_TOKEN != get_token (ctok)) - { - expression (ctok); - if (ctok->type != SEMICOLON_TOKEN) - { - _SLparse_error("Expecting ;", ctok, 0); - break; - } - } - append_token_of_type (CBRACE_TOKEN); - - append_token_of_type (OBRACE_TOKEN); - if (CPAREN_TOKEN != get_token (ctok)) - { - expression (ctok); - if (ctok->type != CPAREN_TOKEN) - { - _SLparse_error("Expecting ).", ctok, 0); - break; - } - } - append_token_of_type (CBRACE_TOKEN); - - compile_token_list (); - - get_token (ctok); - block (ctok); - compile_token_of_type (FOR_TOKEN); - break; - - case ERRBLK_TOKEN: - case EXITBLK_TOKEN: - case USRBLK0_TOKEN: - case USRBLK1_TOKEN: - case USRBLK2_TOKEN: - case USRBLK3_TOKEN: - case USRBLK4_TOKEN: - case FOREVER_TOKEN: - type = ctok->type; - get_token (ctok); - block (ctok); - compile_token_of_type (type); - break; - - case BREAK_TOKEN: - case CONT_TOKEN: - compile_token_of_type (ctok->type); - get_token (ctok); - handle_semicolon (ctok); - break; - - case RETURN_TOKEN: - if (SEMICOLON_TOKEN != get_token (ctok)) - { - if (NULL == push_token_list ()) - break; - - expression (ctok); - - if (ctok->type != SEMICOLON_TOKEN) - { - _SLparse_error ("Expecting ;", ctok, 0); - break; - } - compile_token_list (); - } - compile_token_of_type (RETURN_TOKEN); - handle_semicolon (ctok); - break; - - case STATIC_TOKEN: - case PRIVATE_TOKEN: - case PUBLIC_TOKEN: - type = ctok->type; - get_token (ctok); - if (ctok->type == VARIABLE_TOKEN) - { - get_token (ctok); - variable_list (ctok, type); - handle_semicolon (ctok); - break; - } - if (ctok->type == DEFINE_TOKEN) - { - define_function (ctok, type); - break; - } - _SLparse_error ("Expecting 'variable' or 'define'", ctok, 0); - break; - - case VARIABLE_TOKEN: - get_token (ctok); - variable_list (ctok, OBRACKET_TOKEN); - handle_semicolon (ctok); - break; - - case TYPEDEF_TOKEN: - get_token (ctok); - if (NULL == push_token_list ()) - break; - typedef_definition (ctok); - compile_token_list (); - - handle_semicolon (ctok); - break; - - case DEFINE_TOKEN: - define_function (ctok, DEFINE_TOKEN); - break; - - case SWITCH_TOKEN: - get_token (ctok); - expression_with_parenthesis (ctok); - - while ((SLang_Error == 0) - && (OBRACE_TOKEN == ctok->type)) - { - compile_token_of_type (OBRACE_TOKEN); - compound_statement (ctok); - compile_token_of_type (CBRACE_TOKEN); - get_token (ctok); - } - compile_token_of_type (SWITCH_TOKEN); - unget_token (ctok); - break; - - case EOF_TOKEN: - break; -#if 0 - case PUSH_TOKEN: - get_token (ctok); - expression_list_with_parenthesis (ctok); - handle_semicolon (ctok); - break; -#endif - - case SEMICOLON_TOKEN: - handle_semicolon (ctok); - break; - - case RPN_TOKEN: - if (POUND_TOKEN == get_token (ctok)) - _SLcompile_byte_compiled (); - else if (ctok->type != EOF_TOKEN) - rpn_parse_line (ctok); - break; - - case OPAREN_TOKEN: /* multiple assignment */ - try_multiple_assignment (ctok); - if (ctok->type == COLON_TOKEN) - compile_token_of_type (COLON_TOKEN); - else handle_semicolon (ctok); - break; - - default: - - if (NULL == push_token_list ()) - break; - - expression (ctok); - compile_token_list (); - - if (ctok->type == COLON_TOKEN) - compile_token_of_type (COLON_TOKEN); - else handle_semicolon (ctok); - break; - } - - LLT->parse_level -= 1; -} - -static void block (_SLang_Token_Type *ctok) -{ - compile_token_of_type (OBRACE_TOKEN); - statement (ctok); - compile_token_of_type (CBRACE_TOKEN); -} - -/* - * statement-list: - * statement - * statement-list statement - */ -static void statement_list (_SLang_Token_Type *ctok) -{ - while ((SLang_Error == 0) - && (ctok->type != CBRACE_TOKEN) - && (ctok->type != EOF_TOKEN)) - { - statement(ctok); - get_token (ctok); - } -} - -/* compound-statement: - * { statement-list } - */ -static void compound_statement (_SLang_Token_Type *ctok) -{ - /* ctok->type is OBRACE_TOKEN here */ - get_token (ctok); - statement_list(ctok); - if (CBRACE_TOKEN != ctok->type) - { - _SLparse_error ("Expecting '}'", ctok, 0); - return; - } -} - -/* This function is only called from statement. */ -static void expression_with_parenthesis (_SLang_Token_Type *ctok) -{ - if (ctok->type != OPAREN_TOKEN) - { - _SLparse_error("Expecting (", ctok, 0); - return; - } - - if (NULL == push_token_list ()) - return; - - get_token (ctok); - expression (ctok); - - if (ctok->type != CPAREN_TOKEN) - _SLparse_error("Expecting )", ctok, 0); - - compile_token_list (); - - get_token (ctok); -} - -static void handle_semicolon (_SLang_Token_Type *ctok) -{ - if ((ctok->type == SEMICOLON_TOKEN) - || (ctok->type == EOF_TOKEN)) - return; - - _SLparse_error ("Expecting ;", ctok, 0); -} - -void _SLparse_start (SLang_Load_Type *llt) -{ - _SLang_Token_Type ctok; - SLang_Load_Type *save_llt; - unsigned int save_use_next_token; - _SLang_Token_Type save_next_token; - Token_List_Type *save_list; -#if _SLANG_HAS_DEBUG_CODE - int save_last_line_number = Last_Line_Number; - - Last_Line_Number = -1; -#endif - save_use_next_token = Use_Next_Token; - save_next_token = Next_Token; - save_list = Token_List; - save_llt = LLT; - LLT = llt; - - init_token (&Next_Token); - Use_Next_Token = 0; - init_token (&ctok); - get_token (&ctok); - - llt->parse_level = 0; - statement_list (&ctok); - - if ((SLang_Error == 0) - && (ctok.type != EOF_TOKEN)) - _SLparse_error ("Parse ended prematurely", &ctok, 0); - - - if (SLang_Error) - { - if (SLang_Error < 0) /* severe error */ - save_list = NULL; - - while (Token_List != save_list) - { - if (-1 == pop_token_list (1)) - break; /* ??? when would this happen? */ - } - } - - free_token (&ctok); - LLT = save_llt; - if (Use_Next_Token) - free_token (&Next_Token); - Use_Next_Token = save_use_next_token; - Next_Token = save_next_token; -#if _SLANG_HAS_DEBUG_CODE - Last_Line_Number = save_last_line_number; -#endif -} - -/* variable-list: - * variable-decl - * variable-decl variable-list - * - * variable-decl: - * identifier - * identifier = simple-expression - */ -static void variable_list (_SLang_Token_Type *name_token, unsigned char variable_type) -{ - int declaring; - _SLang_Token_Type tok; - - if (name_token->type != IDENT_TOKEN) - { - _SLparse_error ("Expecting a variable name", name_token, 0); - return; - } - - declaring = 0; - do - { - if (declaring == 0) - { - declaring = 1; - compile_token_of_type (variable_type); - } - - compile_token (name_token); - - init_token (&tok); - if (ASSIGN_TOKEN == get_token (&tok)) - { - compile_token_of_type (CBRACKET_TOKEN); - declaring = 0; - - get_token (&tok); - - push_token_list (); - simple_expression (&tok); - compile_token_list (); - - name_token->type = _SCALAR_ASSIGN_TOKEN; - compile_token (name_token); - } - - free_token (name_token); - *name_token = tok; - } - while ((name_token->type == COMMA_TOKEN) - && (IDENT_TOKEN == get_token (name_token))); - - if (declaring) compile_token_of_type (CBRACKET_TOKEN); -} - -/* struct-declaration: - * struct { struct-field-list }; - * - * struct-field-list: - * struct-field-name , struct-field-list - * struct-field-name - * - * Generates code: "field-name-1" ... "field-name-N" N STRUCT_TOKEN - */ -static void struct_declaration (_SLang_Token_Type *ctok) -{ - int n; - _SLang_Token_Type num_tok; - - if (ctok->type != OBRACE_TOKEN) - { - _SLparse_error ("Expecting {", ctok, 0); - return; - } - - n = 0; - while (IDENT_TOKEN == get_token (ctok)) - { - n++; - ctok->type = STRING_TOKEN; - append_token (ctok); - if (COMMA_TOKEN != get_token (ctok)) - break; - } - - if (ctok->type != CBRACE_TOKEN) - { - _SLparse_error ("Expecting }", ctok, 0); - return; - } - if (n == 0) - { - _SLparse_error ("struct requires at least 1 field", ctok, 0); - return; - } - - init_token (&num_tok); - num_tok.type = INT_TOKEN; - num_tok.v.long_val = n; - append_token (&num_tok); - append_token_of_type (STRUCT_TOKEN); - - get_token (ctok); -} - -/* struct-declaration: - * typedef struct { struct-field-list } Type_Name; - * - * struct-field-list: - * struct-field-name , struct-field-list - * struct-field-name - * - * Generates code: "field-name-1" ... "field-name-N" N STRUCT_TOKEN typedef - */ -static void typedef_definition (_SLang_Token_Type *t) -{ - - if (t->type != STRUCT_TOKEN) - { - _SLparse_error ("Expecting `struct'", t, 0); - return; - } - get_token (t); - - struct_declaration (t); - if (t->type != IDENT_TOKEN) - { - _SLparse_error ("Expecting identifier", t, 0); - return; - } - - t->type = STRING_TOKEN; - append_token (t); - append_token_of_type (TYPEDEF_TOKEN); - - get_token (t); -} - -/* function-args: - * ( args-dec-opt ) - * - * args-decl-opt: - * identifier - * args-decl , identifier - */ -static void define_function_args (_SLang_Token_Type *ctok) -{ - if (CPAREN_TOKEN == get_token (ctok)) - { - get_token (ctok); - return; - } - - compile_token_of_type(OBRACKET_TOKEN); - - while ((SLang_Error == 0) - && (ctok->type == IDENT_TOKEN)) - { - compile_token (ctok); - if (COMMA_TOKEN != get_token (ctok)) - break; - - get_token (ctok); - } - - if (CPAREN_TOKEN != ctok->type) - { - _SLparse_error("Expecting )", ctok, 0); - return; - } - compile_token_of_type(CBRACKET_TOKEN); - - get_token (ctok); -} - -void try_multiple_assignment (_SLang_Token_Type *ctok) -{ - /* This is called with ctok->type == OPAREN_TOKEN. We have no idea - * what follows this. There are various possibilities such as: - * @ () = x; - * @ ( expression ) = x; - * @ ( expression ) ; - * @ ( expression ) OP expression; - * @ ( expression ) [expression] = expression; - * and only the first two constitute a multiple assignment. The last - * two forms create the difficulty. - * - * Here is the plan. First parse (expression) and then check next token. - * If it is an equal operator, then it will be parsed as a multiple - * assignment. In fact, that is the easy part. - * - * The hard part stems from the fact that by parsing (expression), we - * have effectly truncated the parse if (expression) is part of a binary - * or unary expression. Somehow, the parsing must be resumed. The trick - * here is to use a dummy literal that generates no code: NO_OP_LITERAL - * Using it, we just call 'expression' and proceed. - */ - - if (NULL == push_token_list ()) - return; - - get_token (ctok); - - if (ctok->type != CPAREN_TOKEN) - { - expression_with_commas (ctok, 1); - if (ctok->type != CPAREN_TOKEN) - { - _SLparse_error ("Expecting )", ctok, 0); - return; - } - } - - switch (get_token (ctok)) - { - case ASSIGN_TOKEN: - case PLUSEQS_TOKEN: - case MINUSEQS_TOKEN: - case TIMESEQS_TOKEN: - case DIVEQS_TOKEN: - case BOREQS_TOKEN: - case BANDEQS_TOKEN: - do_multiple_assignment (ctok); - pop_token_list (1); - break; - - default: - unget_token (ctok); - ctok->type = NO_OP_LITERAL; - expression (ctok); - compile_token_list (); - break; - } -} - -/* Note: expression never gets compiled directly. Rather, it gets - * appended to the token list and then compiled by a calling - * routine. - */ - -/* expression: - * simple_expression - * simple-expression , expression - * <none> - */ -static void expression_with_commas (_SLang_Token_Type *ctok, int save_comma) -{ - while (SLang_Error == 0) - { - if (ctok->type != COMMA_TOKEN) - { - if (ctok->type == CPAREN_TOKEN) - return; - - simple_expression (ctok); - - if (ctok->type != COMMA_TOKEN) - break; - } - if (save_comma) append_token (ctok); - get_token (ctok); - } -} - -static void expression (_SLang_Token_Type *ctok) -{ - expression_with_commas (ctok, 0); -} - -/* priority levels of binary operations */ -static unsigned char Binop_Level[] = -{ -/* ADD_TOKEN */ 2, -/* SUB_TOKEN */ 2, -/* MUL_TOKEN */ 1, -/* DIV_TOKEN */ 1, -/* LT_TOKEN */ 4, -/* LE_TOKEN */ 4, -/* GT_TOKEN */ 4, -/* GE_TOKEN */ 4, -/* EQ_TOKEN */ 5, -/* NE_TOKEN */ 5, -/* AND_TOKEN */ 9, -/* OR_TOKEN */ 10, -/* MOD_TOKEN */ 1, -/* BAND_TOKEN */ 6, -/* SHL_TOKEN */ 3, -/* SHR_TOKEN */ 3, -/* BXOR_TOKEN */ 7, -/* BOR_TOKEN */ 8, -/* POUND_TOKEN */ 1 /* Matrix Multiplication */ -}; - -/* % Note: simple-expression groups operators OP1 at same level. The - * % actual implementation will not do this. - * simple-expression: - * unary-expression - * binary-expression BINARY-OP unary-expression - * andelse xxelse-expression-list - * orelse xxelse-expression-list - * - * xxelse-expression-list: - * { expression } - * xxelse-expression-list { expression } - * binary-expression: - * unary-expression - * unary-expression BINARY-OP binary-expression - */ -static void simple_expression (_SLang_Token_Type *ctok) -{ - unsigned char type; - unsigned char op_stack [64]; - unsigned char level_stack [64]; - unsigned char level; - unsigned int op_num; - - switch (ctok->type) - { - case ANDELSE_TOKEN: - case ORELSE_TOKEN: - type = ctok->type; - if (OBRACE_TOKEN != get_token (ctok)) - { - _SLparse_error ("Expecting '{'", ctok, 0); - return; - } - - while (ctok->type == OBRACE_TOKEN) - { - append_token (ctok); - get_token (ctok); - expression (ctok); - if (CBRACE_TOKEN != ctok->type) - { - _SLparse_error("Expecting }", ctok, 0); - return; - } - append_token (ctok); - get_token (ctok); - } - append_token_of_type (type); - return; - - /* avoid unary-expression if possible */ - case STRING_TOKEN: - append_token (ctok); - get_token (ctok); - break; - - default: - unary_expression (ctok); - break; - } - - if (SEMICOLON_TOKEN == (type = ctok->type)) - return; - - op_num = 0; - - while ((SLang_Error == 0) - && (IS_BINARY_OP(type))) - { - level = Binop_Level[type - FIRST_BINARY_OP]; - - while ((op_num > 0) && (level_stack [op_num - 1] <= level)) - append_token_of_type (op_stack [--op_num]); - - if (op_num >= sizeof (op_stack) - 1) - { - _SLparse_error ("Binary op stack overflow", ctok, 0); - return; - } - - op_stack [op_num] = type; - level_stack [op_num] = level; - op_num++; - - get_token (ctok); - unary_expression (ctok); - type = ctok->type; - } - - while (op_num > 0) - append_token_of_type(op_stack[--op_num]); -} - -/* unary-expression: - * postfix-expression - * ++ postfix-expression - * -- postfix-expression - * case unary-expression - * OP3 unary-expression - * (OP3: + - ~ & not @) - * - * Note: This grammar permits: case case case WHATEVER - */ -static void unary_expression (_SLang_Token_Type *ctok) -{ - unsigned char save_unary_ops [16]; - unsigned int num_unary_ops; - unsigned char type; - _SLang_Token_Type *last_token; - - num_unary_ops = 0; - while (SLang_Error == 0) - { - type = ctok->type; - - switch (type) - { - case PLUSPLUS_TOKEN: - case MINUSMINUS_TOKEN: - get_token (ctok); - postfix_expression (ctok); - check_for_lvalue (type, NULL); - goto out_of_switch; - - case ADD_TOKEN: - get_token (ctok); /* skip it-- it's unary here */ - break; - - case SUB_TOKEN: - (void) get_token (ctok); - if (IS_INTEGER_TOKEN (ctok->type)) - { - ctok->v.long_val = -ctok->v.long_val; - break; - } - - if (num_unary_ops == 16) - goto stack_overflow_error; - save_unary_ops [num_unary_ops++] = CHS_TOKEN; - break; - - case DEREF_TOKEN: - case BNOT_TOKEN: - case NOT_TOKEN: - case CASE_TOKEN: - if (num_unary_ops == 16) - goto stack_overflow_error; - - save_unary_ops [num_unary_ops++] = type; - get_token (ctok); - break; - - /* Try to avoid ->postfix_expression->primary_expression - * subroutine calls. - */ - case STRING_TOKEN: - append_token (ctok); - get_token (ctok); - goto out_of_switch; - - default: - postfix_expression (ctok); - goto out_of_switch; - } - } - - out_of_switch: - if (num_unary_ops == 0) - return; - - if ((DEREF_TOKEN == save_unary_ops[num_unary_ops - 1]) - && (NULL != (last_token = get_last_token ())) - && (IS_ASSIGN_TOKEN(last_token->type))) - { - /* FIXME: Priority=medium - * This needs generalized so that things like @a.y = 1 will work properly. - */ - if ((num_unary_ops != 1) - || (last_token->type != _SCALAR_ASSIGN_TOKEN)) - { - SLang_verror (SL_NOT_IMPLEMENTED, - "Only derefence assignments to simple variables are possible"); - return; - } - - last_token->type += (_DEREF_ASSIGN_TOKEN - _SCALAR_ASSIGN_TOKEN); - return; - } - - while (num_unary_ops) - { - num_unary_ops--; - append_token_of_type (save_unary_ops [num_unary_ops]); - } - return; - - stack_overflow_error: - _SLparse_error ("Too many unary operators.", ctok, 0); -} - -static int combine_namespace_tokens (_SLang_Token_Type *a, _SLang_Token_Type *b) -{ - char *sa, *sb, *sc; - unsigned int lena, lenb; - unsigned long hash; - - /* This is somewhat of a hack. Combine the TWO identifier names - * (NAMESPACE) and (name) into the form NAMESPACE->name. Then when the - * byte compiler compiles the object it will not be found. It will then - * check for this hack and make the appropriate namespace lookup. - */ - - sa = a->v.s_val; - sb = b->v.s_val; - - lena = strlen (sa); - lenb = strlen (sb); - - sc = SLmalloc (lena + lenb + 3); - if (sc == NULL) - return -1; - - strcpy (sc, sa); - strcpy (sc + lena, "->"); - strcpy (sc + lena + 2, sb); - - sb = _SLstring_make_hashed_string (sc, lena + lenb + 2, &hash); - SLfree (sc); - if (sb == NULL) - return -1; - - /* I can free this string because no other token should be referencing it. - * (num_refs == 1). - */ - _SLfree_hashed_string (sa, lena, a->hash); - a->v.s_val = sb; - a->hash = hash; - - return 0; -} - -static void append_identifier_token (_SLang_Token_Type *ctok) -{ - _SLang_Token_Type *last_token; - - append_token (ctok); - - if (NAMESPACE_TOKEN != get_token (ctok)) - return; - - if (IDENT_TOKEN != get_token (ctok)) - { - _SLparse_error ("Expecting name-space identifier", ctok, 0); - return; - } - - last_token = get_last_token (); - if (-1 == combine_namespace_tokens (last_token, ctok)) - return; - - (void) get_token (ctok); -} - -static int get_identifier_expr_token (_SLang_Token_Type *ctok) -{ - _SLang_Token_Type next_token; - - if (IDENT_TOKEN != get_identifier_token (ctok)) - return -1; - - init_token (&next_token); - if (NAMESPACE_TOKEN != get_token (&next_token)) - { - unget_token (&next_token); - return IDENT_TOKEN; - } - - if (IDENT_TOKEN != get_identifier_token (&next_token)) - { - free_token (&next_token); - return -1; - } - - if (-1 == combine_namespace_tokens (ctok, &next_token)) - { - free_token (&next_token); - return -1; - } - free_token (&next_token); - return IDENT_TOKEN; -} - -/* postfix-expression: - * primary-expression - * postfix-expression [ expression ] - * postfix-expression ( function-args-expression ) - * postfix-expression . identifier - * postfix-expression ^ unary-expression - * postfix-expression ++ - * postfix-expression -- - * postfix-expression = simple-expression - * postfix-expression += simple-expression - * postfix-expression -= simple-expression - * - * primary-expression: - * literal - * identifier-expr - * ( expression_opt ) - * [ inline-array-expression ] - * &identifier-expr - * struct-definition - * __tmp(identifier-expr) - * - * identifier-expr: - * identifier - * identifier->identifier - */ -static void postfix_expression (_SLang_Token_Type *ctok) -{ - unsigned int start_pos, end_pos; - unsigned char type; - - if (Token_List == NULL) - return; - - start_pos = Token_List->len; - - switch (ctok->type) - { - case IDENT_TOKEN: - append_identifier_token (ctok); - break; - - case CHAR_TOKEN: - case SHORT_TOKEN: - case INT_TOKEN: - case LONG_TOKEN: - case UCHAR_TOKEN: - case USHORT_TOKEN: - case UINT_TOKEN: - case ULONG_TOKEN: - case STRING_TOKEN: - case BSTRING_TOKEN: -#ifdef SLANG_HAS_FLOAT - case DOUBLE_TOKEN: - case FLOAT_TOKEN: -#endif -#ifdef SLANG_HAS_COMPLEX - case COMPLEX_TOKEN: -#endif - append_token (ctok); - get_token (ctok); - break; - - case OPAREN_TOKEN: - if (CPAREN_TOKEN != get_token (ctok)) - { - expression (ctok); - if (ctok->type != CPAREN_TOKEN) - _SLparse_error("Expecting )", ctok, 0); - } - get_token (ctok); - break; - - case BAND_TOKEN: - if (IDENT_TOKEN != get_identifier_expr_token (ctok)) - break; - - ctok->type = _REF_TOKEN; - append_token (ctok); - get_token (ctok); - break; - - case OBRACKET_TOKEN: - get_token (ctok); - inline_array_expression (ctok); - break; - - case NO_OP_LITERAL: - /* This token was introduced by try_multiple_assignment. There, - * a new token_list was pushed and (expression) was evaluated. - * NO_OP_LITERAL represents the result of expression. However, - * we need to tweak the start_pos variable to point to the beginning - * of the token list to complete the equivalence. - */ - start_pos = 0; - get_token (ctok); - break; - - case STRUCT_TOKEN: - get_token (ctok); - struct_declaration (ctok); - break; - - case TMP_TOKEN: - get_token (ctok); - if (ctok->type == OPAREN_TOKEN) - { - if (IDENT_TOKEN == get_identifier_expr_token (ctok)) - { - ctok->type = TMP_TOKEN; - append_token (ctok); - get_token (ctok); - if (ctok->type == CPAREN_TOKEN) - { - get_token (ctok); - break; - } - } - } - _SLparse_error ("Expecting form __tmp(NAME)", ctok, 0); - break; - - default: - if (IS_INTERNAL_FUNC(ctok->type)) - { - append_token (ctok); - get_token (ctok); - } - else - _SLparse_error("Expecting a PRIMARY", ctok, 0); - } - - while (SLang_Error == 0) - { - end_pos = Token_List->len; - type = ctok->type; - switch (type) - { - case OBRACKET_TOKEN: /* X[args] ==> [args] X ARRAY */ - get_token (ctok); - append_token_of_type (ARG_TOKEN); - if (ctok->type != CBRACKET_TOKEN) - array_index_expression (ctok); - - if (ctok->type != CBRACKET_TOKEN) - { - _SLparse_error ("Expecting ']'", ctok, 0); - return; - } - get_token (ctok); - /* append_token_of_type (EARG_TOKEN); -- ARRAY_TOKEN implicitely does this */ - token_list_element_exchange (start_pos, end_pos); - append_token_of_type (ARRAY_TOKEN); - break; - - case OPAREN_TOKEN: - /* f(args) ==> args f */ - if (CPAREN_TOKEN != get_token (ctok)) - { - function_args_expression (ctok, 1); - token_list_element_exchange (start_pos, end_pos); - } - else get_token (ctok); - break; - - case DOT_TOKEN: - /* S.a ==> "a" S DOT - * This means that if S is X[b], then X[b].a ==> a b X ARRAY DOT - * and f(a).X[b].c ==> "c" b "X" a f . ARRAY . - * Also, f(a).X[b] = g(x); ==> x g b "X" a f . - */ - if (IDENT_TOKEN != get_identifier_token (ctok)) - return; - - ctok->type = DOT_TOKEN; - append_token (ctok); - get_token (ctok); - break; - - case PLUSPLUS_TOKEN: - case MINUSMINUS_TOKEN: - check_for_lvalue (type, NULL); - get_token (ctok); - break; - - case ASSIGN_TOKEN: - case PLUSEQS_TOKEN: - case MINUSEQS_TOKEN: - case TIMESEQS_TOKEN: - case DIVEQS_TOKEN: - case BOREQS_TOKEN: - case BANDEQS_TOKEN: - check_for_lvalue (type, NULL); - get_token (ctok); - simple_expression (ctok); - token_list_element_exchange (start_pos, end_pos); - break; - - case POW_TOKEN: - get_token (ctok); - unary_expression (ctok); - append_token_of_type (POW_TOKEN); - break; - - default: - return; - } - } -} - -static void function_args_expression (_SLang_Token_Type *ctok, int handle_num_args) -{ - unsigned char last_type, this_type; - - if (handle_num_args) append_token_of_type (ARG_TOKEN); - - last_type = COMMA_TOKEN; - - while (SLang_Error == 0) - { - this_type = ctok->type; - - switch (this_type) - { - case COMMA_TOKEN: - if (last_type == COMMA_TOKEN) - append_token_of_type (_NULL_TOKEN); - get_token (ctok); - break; - - case CPAREN_TOKEN: - if (last_type == COMMA_TOKEN) - append_token_of_type (_NULL_TOKEN); - if (handle_num_args) append_token_of_type (EARG_TOKEN); - get_token (ctok); - return; - - default: - simple_expression (ctok); - if ((ctok->type != COMMA_TOKEN) - && (ctok->type != CPAREN_TOKEN)) - { - _SLparse_error ("Expecting ')'", ctok, 0); - break; - } - } - last_type = this_type; - } -} - -static int check_for_lvalue (unsigned char eqs_type, _SLang_Token_Type *ctok) -{ - unsigned char type; - - if ((ctok == NULL) - && (NULL == (ctok = get_last_token ()))) - return -1; - - type = ctok->type; - - eqs_type -= ASSIGN_TOKEN; - - if (type == IDENT_TOKEN) - eqs_type += _SCALAR_ASSIGN_TOKEN; - else if (type == ARRAY_TOKEN) - eqs_type += _ARRAY_ASSIGN_TOKEN; - else if (type == DOT_TOKEN) - eqs_type += _STRUCT_ASSIGN_TOKEN; - else - { - _SLparse_error ("Expecting LVALUE", ctok, 0); - return -1; - } - - ctok->type = eqs_type; - return 0; -} - -static void array_index_expression (_SLang_Token_Type *ctok) -{ - unsigned int num_commas; - - num_commas = 0; - while (1) - { - switch (ctok->type) - { - case COLON_TOKEN: - if (num_commas) - _SLparse_error ("Misplaced ':'", ctok, 0); - return; - - case TIMES_TOKEN: - append_token_of_type (_INLINE_WILDCARD_ARRAY_TOKEN); - get_token (ctok); - break; - - case COMMA_TOKEN: - _SLparse_error ("Misplaced ','", ctok, 0); - return; - - default: - simple_expression (ctok); - } - - if (ctok->type != COMMA_TOKEN) - return; - num_commas++; - get_token (ctok); - } -} - -/* inline-array-expression: - * array_index_expression - * simple_expression : simple_expression - * simple_expression : simple_expression : simple_expression - */ -static void inline_array_expression (_SLang_Token_Type *ctok) -{ - int num_colons = 0; - - append_token_of_type (ARG_TOKEN); - - if (ctok->type == COLON_TOKEN) /* [:...] */ - append_token_of_type (_NULL_TOKEN); - else if (ctok->type != CBRACKET_TOKEN) - array_index_expression (ctok); - - if (ctok->type == COLON_TOKEN) - { - num_colons++; - if ((COLON_TOKEN == get_token (ctok)) - || (ctok->type == CBRACKET_TOKEN)) - append_token_of_type (_NULL_TOKEN); - else - simple_expression (ctok); - - if (ctok->type == COLON_TOKEN) - { - num_colons++; - get_token (ctok); - simple_expression (ctok); - } - } - - if (ctok->type != CBRACKET_TOKEN) - { - _SLparse_error ("Expecting ']'", ctok, 0); - return; - } - - /* append_token_of_type (EARG_TOKEN); */ - if (num_colons) - append_token_of_type (_INLINE_IMPLICIT_ARRAY_TOKEN); - else - append_token_of_type (_INLINE_ARRAY_TOKEN); - get_token (ctok); -} - -static void do_multiple_assignment (_SLang_Token_Type *ctok) -{ - _SLang_Token_Type *s; - unsigned int i, k, len; - unsigned char assign_type; - - assign_type = ctok->type; - - /* The LHS token list has already been pushed. Here we do the RHS - * so push to another token list, process it, then come back to - * LHS for assignment. - */ - if (NULL == push_token_list ()) - return; - - get_token (ctok); - expression (ctok); - compile_token_list (); - - if (SLang_Error) - return; - - /* Finally compile the LHS of the assignment expression - * that has been saved. - */ - s = Token_List->stack; - len = Token_List->len; - - if (len == 0) - { - compile_token_of_type (POP_TOKEN); - return; - } - - while (len > 0) - { - /* List is of form: - * a , b, c d e, f , g , , , h , - * The missing expressions will be replaced by a POP - * ,,a - */ - - /* Start from back looking for a COMMA */ - k = len - 1; - if (s[k].type == COMMA_TOKEN) - { - compile_token_of_type (POP_TOKEN); - len = k; - continue; - } - - if (-1 == check_for_lvalue (assign_type, s + k)) - return; - - i = 0; - while (1) - { - if (s[k].type == COMMA_TOKEN) - { - i = k + 1; - break; - } - - if (k == 0) - break; - - k--; - } - - while (i < len) - { - compile_token (s + i); - i++; - } - - len = k; - } - - if (s[0].type == COMMA_TOKEN) - compile_token_of_type (POP_TOKEN); -} - diff --git a/mdk-stage1/slang/slpath.c b/mdk-stage1/slang/slpath.c deleted file mode 100644 index 831bd34df..000000000 --- a/mdk-stage1/slang/slpath.c +++ /dev/null @@ -1,344 +0,0 @@ -/* Pathname and filename functions */ -/* Copyright (c) 1998, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#ifdef HAVE_IO_H -# include <io.h> -#endif - -#include <sys/types.h> -#include <sys/stat.h> -#include <signal.h> -#include <time.h> - -#include <errno.h> -#include <string.h> - -#include "slang.h" -#include "_slang.h" - -/* In this file, all file names are assumed to be specified in the Unix - * format, or in the native format. - * - * Aboout VMS: - * VMS pathnames are a mess. In general, they look like - * node::device:[dir.dir]file.ext;version - * and I do not know of a well-defined Unix representation for them. So, - * I am going to punt and encourage users to stick to the native - * representation. - */ - -#if defined(IBMPC_SYSTEM) -# define PATH_SEP '\\' -# define DRIVE_SPECIFIER ':' -# define SEARCH_PATH_DELIMITER ';' -# define THIS_DIR_STRING "." -#else -# if defined(VMS) -# define PATH_SEP ']' -# define DRIVE_SPECIFIER ':' -# define SEARCH_PATH_DELIMITER ' ' -# define THIS_DIR_STRING "[]" /* Is this correct?? */ -# else -# define PATH_SEP '/' -# define UNIX_PATHNAMES_OK -# define SEARCH_PATH_DELIMITER ':' -# define THIS_DIR_STRING "." -# endif -#endif - -#ifdef UNIX_PATHNAMES_OK -# define IS_PATH_SEP(x) ((x) == PATH_SEP) -#else -# define IS_PATH_SEP(x) (((x) == PATH_SEP) || ((x) == '/')) -#endif - -/* If file is /a/b/c/basename, this function returns a pointer to basename */ -char *SLpath_basename (char *file) -{ - char *b; - - if (file == NULL) return NULL; - b = file + strlen (file); - - while (b != file) - { - b--; - if (IS_PATH_SEP(*b)) - return b + 1; -#ifdef DRIVE_SPECIFIER - if (*b == DRIVE_SPECIFIER) - return b + 1; -#endif - } - - return b; -} - -/* Returns a malloced string */ -char *SLpath_pathname_sans_extname (char *file) -{ - char *b; - - file = SLmake_string (file); - if (file == NULL) - return NULL; - - b = file + strlen (file); - - while (b != file) - { - b--; - if (*b == '.') - { - *b = 0; - return file; - } - } - - return file; -} - -/* If path looks like: A/B/C/D/whatever, it returns A/B/C/D as a malloced - * string. - */ -char *SLpath_dirname (char *file) -{ - char *b; - - if (file == NULL) return NULL; - b = file + strlen (file); - - while (b != file) - { - b--; - if (IS_PATH_SEP(*b)) - { - if (b == file) b++; - break; - } - -#ifdef DRIVE_SPECIFIER - if (*b == DRIVE_SPECIFIER) - { - b++; - break; - } -#endif - } - - if (b == file) - return SLmake_string (THIS_DIR_STRING); - - return SLmake_nstring (file, (unsigned int) (b - file)); -} - -/* Note: VMS filenames also contain version numbers. The caller will have - * to deal with that. - * - * The extension includes the '.'. If no extension is present, "" is returned. - */ -char *SLpath_extname (char *file) -{ - char *b; - - if (NULL == (file = SLpath_basename (file))) - return NULL; - - b = file + strlen (file); - while (b != file) - { - b--; - if (*b == '.') - return b; - } - - if (*b == '.') - return b; - - /* Do not return a literal "" */ - return file + strlen (file); -} - -#ifdef IBMPC_SYSTEM -static void convert_slashes (char *f) -{ - while (*f) - { - if (*f == '/') *f = PATH_SEP; - f++; - } -} -#endif - -int SLpath_is_absolute_path (char *name) -{ -#ifdef UNIX_PATHNAMES_OK - return (*name == '/'); -#else - if (IS_PATH_SEP (*name)) - return 1; - -# ifdef DRIVE_SPECIFIER - /* Look for a drive specifier */ - while (*name) - { - if (*name == DRIVE_SPECIFIER) - return 1; - - name++; - } -# endif - - return 0; -#endif -} - -/* This returns a MALLOCED string */ -char *SLpath_dircat (char *dir, char *name) -{ - unsigned int len, dirlen; - char *file; -#ifndef VMS - int requires_fixup; -#endif - - if (name == NULL) - name = ""; - - if ((dir == NULL) || (SLpath_is_absolute_path (name))) - dir = ""; - - /* Both VMS and MSDOS have default directories associated with each drive. - * That is, the meaning of something like C:X depends upon more than just - * the syntax of the string. Since this concept has more power under VMS - * it will be honored here. However, I am going to treat C:X as C:\X - * under MSDOS. - * - * Note!!! - * VMS has problems of its own regarding path names, so I am simply - * going to strcat. Hopefully the VMS RTL is smart enough to deal with - * the result. - */ - dirlen = strlen (dir); -#ifndef VMS - requires_fixup = (dirlen && (0 == IS_PATH_SEP(dir[dirlen - 1]))); -#endif - - len = dirlen + strlen (name) + 2; - if (NULL == (file = SLmalloc (len))) - return NULL; - - strcpy (file, dir); - -#ifndef VMS - if (requires_fixup) - file[dirlen++] = PATH_SEP; -#endif - - strcpy (file + dirlen, name); - -#if defined(IBMPC_SYSTEM) - convert_slashes (file); -#endif - - return file; -} - -int SLpath_file_exists (char *file) -{ - struct stat st; - int m; - -#if defined(__os2__) && !defined(S_IFMT) -/* IBM VA3 doesn't declare S_IFMT */ -# define S_IFMT (S_IFDIR | S_IFCHR | S_IFREG) -#endif - -#ifdef _S_IFDIR -# ifndef S_IFDIR -# define S_IFDIR _S_IFDIR -# endif -#endif - -#ifndef S_ISDIR -# ifdef S_IFDIR -# define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) -# else -# define S_ISDIR(m) 0 -# endif -#endif - - if (file == NULL) - return -1; - - if (stat(file, &st) < 0) return 0; - m = st.st_mode; - - if (S_ISDIR(m)) return (2); - return 1; -} - -char *SLpath_find_file_in_path (char *path, char *name) -{ - unsigned int max_path_len; - unsigned int this_path_len; - char *file, *dir; - char *p; - unsigned int nth; - - if ((path == NULL) || (*path == 0) - || (name == NULL) || (*name == 0)) - return NULL; - - max_path_len = 0; - this_path_len = 0; - p = path; - while (*p != 0) - { - if (*p++ == SEARCH_PATH_DELIMITER) - { - if (this_path_len > max_path_len) max_path_len = this_path_len; - this_path_len = 0; - } - else this_path_len++; - } - if (this_path_len > max_path_len) max_path_len = this_path_len; - max_path_len++; - - if (NULL == (dir = SLmalloc (max_path_len))) - return NULL; - - nth = 0; - while (-1 != SLextract_list_element (path, nth, SEARCH_PATH_DELIMITER, - dir, max_path_len)) - { - nth++; - if (*dir == 0) - continue; - - if (NULL == (file = SLpath_dircat (dir, name))) - { - SLfree (dir); - return NULL; - } - - if (1 == SLpath_file_exists (file)) - { - SLfree (dir); - return file; - } - - SLfree (file); - } - - SLfree (dir); - return NULL; -} - diff --git a/mdk-stage1/slang/slposdir.c b/mdk-stage1/slang/slposdir.c deleted file mode 100644 index 33799e574..000000000 --- a/mdk-stage1/slang/slposdir.c +++ /dev/null @@ -1,1057 +0,0 @@ -/* file intrinsics for S-Lang */ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#if defined(__unix__) || (defined (__os2__) && defined (__EMX__)) -# include <sys/types.h> -#endif - -#ifdef HAVE_IO_H -# include <io.h> /* for chmod */ -#endif - -#if defined(__BORLANDC__) -# include <process.h> -# include <dos.h> -#endif - -#ifdef HAVE_FCNTL_H -# include <fcntl.h> -#endif -#ifdef HAVE_SYS_FCNTL_H -# include <sys/fcntl.h> -#endif - -#ifdef __unix__ -# include <sys/file.h> -#endif - -#if defined(__BORLANDC__) -# include <dir.h> -#endif - -#if defined(_MSC_VER) -# include <io.h> -#endif - -#if defined(__DECC) && defined(VMS) -# include <unixio.h> -# include <unixlib.h> -#endif - -#ifdef VMS -# include <stat.h> -#else -# include <sys/stat.h> -#endif - -#if defined(VMS) -# define USE_LISTDIR_INTRINSIC 0 -#else -# define USE_LISTDIR_INTRINSIC 1 -#endif - -#if USE_LISTDIR_INTRINSIC - -#if defined(__WIN32__) -# include <windows.h> -#else -# if defined(__OS2__) && defined(__IBMC__) -# define INCL_DOS -# define INCL_ERRORS -# include <os2.h> -# include <direct.h> -# include <ctype.h> -# else -# ifdef HAVE_DIRENT_H -# include <dirent.h> -# else -# ifdef HAVE_DIRECT_H -# include <direct.h> -# else -# define dirent direct -# define NEED_D_NAMLEN -# if HAVE_SYS_NDIR_H -# include <sys/ndir.h> -# endif -# if HAVE_SYS_DIR_H -# include <sys/dir.h> -# endif -# if HAVE_NDIR_H -# include <ndir.h> -# endif -# endif -# endif -# endif -#endif - -#endif /* USE_LISTDIR_INTRINSIC */ - -#include <errno.h> - -#include "slang.h" -#include "_slang.h" - -static int push_stat_struct (struct stat *st, int opt_attrs) -{ - char *field_names [12]; - unsigned char field_types[12]; - VOID_STAR field_values [12]; - int int_values [12]; - unsigned int i; - - field_names [0] = "st_dev"; int_values [0] = (int) st->st_dev; - field_names [1] = "st_ino"; int_values [1] = (int) st->st_ino; - field_names [2] = "st_mode"; int_values [2] = (int) st->st_mode; - field_names [3] = "st_nlink"; int_values [3] = (int) st->st_nlink; - field_names [4] = "st_uid"; int_values [4] = (int) st->st_uid; - field_names [5] = "st_gid"; int_values [5] = (int) st->st_gid; - field_names [6] = "st_rdev"; int_values [6] = (int) st->st_rdev; - field_names [7] = "st_size"; int_values [7] = (int) st->st_size; - field_names [8] = "st_atime"; int_values [8] = (int) st->st_atime; - field_names [9] = "st_mtime"; int_values [9] = (int) st->st_mtime; - field_names [10] = "st_ctime"; int_values [10] = (int) st->st_ctime; - - field_names [11] = "st_opt_attrs"; int_values[11] = opt_attrs; - - for (i = 0; i < 12; i++) - { - field_types [i] = SLANG_INT_TYPE; - field_values [i] = (VOID_STAR) (int_values + i); - } - - return SLstruct_create_struct (12, field_names, field_types, field_values); -} - -static void stat_cmd (char *file) -{ - struct stat st; - int status; - int opt_attrs; - - status = stat (file, &st); - -#if defined(__MSDOS__) || defined(__WIN32__) - if (status == -1) - { - unsigned int len = strlen (file); - if (len && ((file[len-1] == '\\') || (file[len-1] == '/'))) - { - file = SLmake_nstring (file, len-1); - if (file == NULL) - return; - - status = stat (file, &st); - SLfree (file); - } - } -#endif - if (status == -1) - { - _SLerrno_errno = errno; - SLang_push_null (); - return; - } - -#ifdef __WIN32__ - opt_attrs = GetFileAttributes (file); -#else - opt_attrs = 0; -#endif - - push_stat_struct (&st, opt_attrs); -} - -static void lstat_cmd (char *file) -{ -#ifdef HAVE_LSTAT - struct stat st; - int opt_attrs; - - if (-1 == lstat (file, &st)) - { - _SLerrno_errno = errno; - SLang_push_null (); - return; - } - -#ifdef __WIN32__ - opt_attrs = GetFileAttributes (file); -#else - opt_attrs = 0; -#endif - - push_stat_struct (&st, opt_attrs); -#else - stat_cmd (file); -#endif -} - -/* Well, it appears that on some systems, these are not defined. Here I - * provide them. These are derived from the Linux stat.h file. - */ - -#ifdef __os2__ -# ifdef __IBMC__ -/* IBM VA3 doesn't declare S_IFMT */ -# define S_IFMT (S_IFDIR | S_IFCHR | S_IFREG) -# endif -#endif - -#ifndef S_ISLNK -# ifdef S_IFLNK -# define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK) -# else -# define S_ISLNK(m) 0 -# endif -#endif - -#ifndef S_ISREG -# ifdef S_IFREG -# define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) -# else -# define S_ISREG(m) 0 -# endif -#endif - -#ifndef S_ISDIR -# ifdef S_IFDIR -# define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) -# else -# define S_ISDIR(m) 0 -# endif -#endif - -#ifndef S_ISCHR -# ifdef S_IFCHR -# define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR) -# else -# define S_ISCHR(m) 0 -# endif -#endif - -#ifndef S_ISBLK -# ifdef S_IFBLK -# define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK) -# else -# define S_ISBLK(m) 0 -# endif -#endif - -#ifndef S_ISFIFO -# ifdef S_IFIFO -# define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO) -# else -# define S_ISFIFO(m) 0 -# endif -#endif - -#ifndef S_ISSOCK -# ifdef S_IFSOCK -# define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK) -# else -# define S_ISSOCK(m) 0 -# endif -#endif - -static char stat_is_cmd (char *what, int *mode_ptr) -{ - int ret; - int st_mode = *mode_ptr; - - if (!strcmp (what, "sock")) ret = S_ISSOCK(st_mode); - else if (!strcmp (what, "fifo")) ret = S_ISFIFO(st_mode); - else if (!strcmp (what, "blk")) ret = S_ISBLK(st_mode); - else if (!strcmp (what, "chr")) ret = S_ISCHR(st_mode); - else if (!strcmp (what, "dir")) ret = S_ISDIR(st_mode); - else if (!strcmp (what, "reg")) ret = S_ISREG(st_mode); - else if (!strcmp (what, "lnk")) ret = S_ISLNK(st_mode); - else - { - SLang_verror (SL_INVALID_PARM, "stat_is: Unrecognized type: %s", what); - return -1; - } - - return (char) (ret != 0); -} - -#ifdef HAVE_READLINK -static void readlink_cmd (char *s) -{ - char buf[2048]; - int n; - - n = readlink (s, buf, sizeof (buf)-1); - if (n == -1) - { - _SLerrno_errno = errno; - s = NULL; - } - else - { - buf[n] = 0; - s = buf; - } - - (void) SLang_push_string (s); -} -#endif - -static int chmod_cmd (char *file, int *mode) -{ - if (-1 == chmod(file, (mode_t) *mode)) - { - _SLerrno_errno = errno; - return -1; - } - return 0; -} - -#ifdef HAVE_CHOWN -static int chown_cmd (char *file, int *owner, int *group) -{ - int ret; - - if (-1 == (ret = chown(file, (uid_t) *owner, (gid_t) *group))) - _SLerrno_errno = errno; - return ret; -} -#endif - -/* add trailing slash to dir */ -static void fixup_dir (char *dir) -{ -#ifndef VMS - int n; - - if ((n = strlen(dir)) > 1) - { - n--; -#if defined(IBMPC_SYSTEM) - if ( dir[n] != '/' && dir[n] != '\\' ) - strcat(dir, "\\" ); -#else - if (dir[n] != '/' ) - strcat(dir, "/" ); -#endif - } -#endif /* !VMS */ -} - -static void slget_cwd (void) -{ - char cwd[1024]; - char *p; - -#ifndef HAVE_GETCWD - p = getwd (cwd); -#else -# if defined (__EMX__) - p = _getcwd2(cwd, 1022); /* includes drive specifier */ -# else - p = getcwd(cwd, 1022); /* djggp includes drive specifier */ -# endif -#endif - - if (p == NULL) - { - _SLerrno_errno = errno; - SLang_push_null (); - return; - } - -#ifndef VMS -#ifdef __GO32__ - /* You never know about djgpp since it favors unix */ - { - char ch; - p = cwd; - while ((ch = *p) != 0) - { - if (ch == '/') *p = '\\'; - p++; - } - } -#endif - fixup_dir (cwd); -#endif - SLang_push_string (cwd); -} - -static int chdir_cmd (char *s) -{ - int ret; - - while (-1 == (ret = chdir (s))) - { -#ifdef EINTR - if (errno == EINTR) - continue; -#endif - _SLerrno_errno = errno; - break; - } - return ret; -} - -#ifdef VMS -static int remove_cmd (char *); -/* If the file looks like xxx, then change it to xxx.dir. If - * it looks like A:[B.xxx] then change it to A:[B]xxx.dir. - */ - -static char *vms_convert_dirspec_to_vms_dir (char *str) -{ - char *s; - char *version; - unsigned int len; - char *dot; - - len = strlen (str); - - version = strchr (str, ';'); - if (version == NULL) - version = str + len; - /* version points to the version of the input string */ - - - if (NULL == (s = SLmalloc (len + 8)))/* allow extra space to work with */ - return NULL; - - len = (unsigned int) (version - str); - strncpy (s, str, len); - s[len] = 0; - str = s; - - /* Lowercase the whole thing */ - while (*s != 0) - { - *s = LOWER_CASE(*s); - s++; - } - - if ((s > str) - && (s[-1] != ']')) - { - if ((s >= str + 4) - && (0 == strcmp (s - 4, ".dir"))) - s -= 4; - goto add_dir_version; - } - - /* Check for one of two possibilities: - * - * dev:[x] --> dev:x - * dev:[a.x] --> dev:[a]x - */ - - if (NULL == (dot = strchr (str, '.'))) - { - /* First possibility */ - if (NULL == (s = strchr (str, '['))) - return str; /* let someone else figure this out */ - while (s[1] != ']') - { - s[0] = s[1]; - s++; - } - *s = 0; - goto add_dir_version; - } - - while (NULL != (s = strchr (dot + 1, '.'))) - dot = s; - - *dot = ']'; - s = str + (len - 1); - - /* Drop */ - - add_dir_version: - strcpy (s, ".dir"); - strcpy (s+4, version); - return str; -} -#endif - -static int rmdir_cmd (char *s) -{ -#ifdef VMS - int status; - - if (NULL == (s = vms_convert_dirspec_to_vms_dir (s))) - return -1; - - status = remove_cmd (s); - SLfree (s); - - return status; - -#else - int ret; - - while (-1 == (ret = rmdir (s))) - { -#ifdef EINTR - if (errno == EINTR) - continue; -#endif - _SLerrno_errno = errno; - break; - } - return ret; -#endif -} - -static int remove_cmd (char *s) -{ - int ret; -#ifdef VMS -# define REMOVE delete -#else -# ifdef REAL_UNIX_SYSTEM -# define REMOVE unlink -# else -# define REMOVE remove -# endif -#endif - - while (-1 == (ret = REMOVE (s))) - { -#ifdef EINTR - if (errno == EINTR) - continue; -#endif - _SLerrno_errno = errno; - break; - } - return ret; -} - -static int rename_cmd (char *oldpath, char *newpath) -{ - int ret; - while (-1 == (ret = rename (oldpath, newpath))) - { -#ifdef EINTR - if (errno == EINTR) - continue; -#endif - _SLerrno_errno = errno; - break; - } - return ret; -} - -static int mkdir_cmd (char *s, int *mode_ptr) -{ - int ret; - - (void) mode_ptr; - errno = 0; - -#if defined (__MSDOS__) && !defined(__GO32__) -# define MKDIR(x,y) mkdir(x) -#else -# if defined (__os2__) && !defined (__EMX__) -# define MKDIR(x,y) mkdir(x) -# else -# if defined (__WIN32__) && !defined (__CYGWIN32__) -# define MKDIR(x,y) mkdir(x) -# else -# define MKDIR mkdir -# endif -# endif -#endif - - while (-1 == (ret = MKDIR(s, *mode_ptr))) - { -#ifdef EINTR - if (errno == EINTR) - continue; -#endif - _SLerrno_errno = errno; - break; - } - return ret; -} - -#ifdef HAVE_MKFIFO -static int mkfifo_cmd (char *path, int *mode) -{ - if (-1 == mkfifo (path, *mode)) - { - _SLerrno_errno = errno; - return -1; - } - return 0; -} -#endif - -#if USE_LISTDIR_INTRINSIC - -static void free_dir_list (char **list, unsigned int num) -{ - unsigned int i; - - if (list == NULL) - return; - - for (i = 0; i < num; i++) - SLang_free_slstring (list[i]); - SLfree ((char *) list); -} - -#if defined(__WIN32__) || defined(__os2__) && defined(__IBMC__) -static int build_dirlist (char *file, char *opt, char ***listp, unsigned int *nump, unsigned int *maxnum) -{ -# ifdef __WIN32__ - DWORD status; - HANDLE h; - WIN32_FIND_DATA fd; -# else - APIRET rc; - FILESTATUS3 status; - HDIR h; - FILEFINDBUF3 fd; - ULONG cFileNames; -# endif - char *pat; - unsigned int len; - char **list; - unsigned int num; - unsigned int max_num; - int hok; - - /* If an option is present, assume ok to list hidden files. Later - * I will formalize this. - */ - hok = (opt != NULL); - -# ifdef __WIN32__ - status = GetFileAttributes (file); -# else - rc = DosQueryPathInfo(file, FIL_STANDARD, &status, sizeof(FILESTATUS3)); -# endif - - -# ifdef __WIN32__ - if (status == (DWORD)-1) - { - _SLerrno_errno = ENOENT; - return -1; - } - if (0 == (status & FILE_ATTRIBUTE_DIRECTORY)) - { - _SLerrno_errno = ENOTDIR; - return -1; - } -# else - if ((rc != 0) || (status.attrFile & FILE_DIRECTORY) == 0) - { - /* ENOTDIR isn't defined in VA3. */ - _SLerrno_errno = ENOENT; - return -1; - } -# endif - - len = strlen (file); - pat = SLmalloc (len + 3); - if (pat == NULL) - return -1; - - strcpy (pat, file); - file = pat; - while (*file != 0) - { - if (*file == '/') *file = '\\'; - file++; - } - - if (len && (pat[len-1] != '\\')) - { - pat[len] = '\\'; - len++; - } - pat[len++] = '*'; - pat[len] = 0; - - num = 0; - max_num = 50; - list = (char **)SLmalloc (max_num * sizeof(char *)); - if (list == NULL) - { - SLfree (pat); - return -1; - } - -# ifdef __WIN32__ - h = FindFirstFile(pat, &fd); - if (h == INVALID_HANDLE_VALUE) - { - if (ERROR_NO_MORE_FILES != GetLastError()) - { - SLfree (pat); - SLfree ((char *)list); - return -1; - } - } -# else - h = HDIR_CREATE; - cFileNames = 1; - rc = DosFindFirst(pat, &h, FILE_READONLY | FILE_DIRECTORY | - FILE_ARCHIVED, &fd, sizeof(fd), &cFileNames, FIL_STANDARD); - if (rc != 0) - { - if (rc != ERROR_NO_MORE_FILES) - { - SLfree (pat); - SLfree ((char *)list); - return -1; - } - } -# endif - else while (1) - { - /* Do not include hidden files in the list. Also, do not - * include "." and ".." entries. - */ -#ifdef __WIN32__ - file = fd.cFileName; -#else - file = fd.achName; -#endif - if ( -#ifdef __WIN32__ - (hok || (0 == (fd.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN))) -#else - (hok || (0 == (fd.attrFile & FILE_HIDDEN))) -#endif - && ((*file != '.') - || ((0 != strcmp (file, ".")) - && (0 != strcmp (file, ".."))))) - { - if (num == max_num) - { - char **new_list; - - max_num += 100; - new_list = (char **)SLrealloc ((char *)list, max_num * sizeof (char *)); - if (new_list == NULL) - goto return_error; - - list = new_list; - } - - file = SLang_create_slstring (file); - if (file == NULL) - goto return_error; - - list[num] = file; - num++; - } - -#ifdef __WIN32__ - if (FALSE == FindNextFile(h, &fd)) - { - if (ERROR_NO_MORE_FILES == GetLastError()) - { - FindClose (h); - break; - } - - _SLerrno_errno = errno; - FindClose (h); - goto return_error; - } -#else - cFileNames = 1; - rc = DosFindNext(h, &fd, sizeof(fd), &cFileNames); - if (rc != 0) - { - if (rc == ERROR_NO_MORE_FILES) - { - DosFindClose (h); - break; - } - - _SLerrno_errno = errno; - DosFindClose (h); - goto return_error; - } -#endif - } - - SLfree (pat); - *maxnum = max_num; - *nump = num; - *listp = list; - return 0; - - return_error: - free_dir_list (list, num); - SLfree (pat); - return -1; -} - -#else /* NOT __WIN32__ */ - -static int build_dirlist (char *dir, char *opt, char ***listp, unsigned int *nump, unsigned int *maxnum) -{ - DIR *dp; - struct dirent *ep; - unsigned int num_files; - unsigned int max_num_files; - char **list; - - (void) opt; - - if (NULL == (dp = opendir (dir))) - { - _SLerrno_errno = errno; - return -1; - } - - num_files = max_num_files = 0; - list = NULL; - while (NULL != (ep = readdir (dp))) - { - unsigned int len; - char *name; - - name = ep->d_name; -# ifdef NEED_D_NAMLEN - len = ep->d_namlen; -# else - len = strlen (name); -# endif - if ((*name == '.') && (len <= 2)) - { - if (len == 1) continue; - if (name [1] == '.') continue; - } - - if (num_files == max_num_files) - { - char **new_list; - - max_num_files += 100; - if (NULL == (new_list = (char **) SLrealloc ((char *)list, max_num_files * sizeof(char *)))) - goto return_error; - - list = new_list; - } - - if (NULL == (list[num_files] = SLang_create_nslstring (name, len))) - goto return_error; - - num_files++; - } - - closedir (dp); - *nump = num_files; - *maxnum = max_num_files; - *listp = list; - return 0; - - return_error: - if (dp != NULL) - closedir (dp); - free_dir_list (list, num_files); - return -1; -} -# endif /* NOT __WIN32__ */ - -static void listdir_cmd (char *dir, char *opt) -{ - SLang_Array_Type *at; - unsigned int num_files; - unsigned int max_num_files; - int inum_files; - char **list; - - if (-1 == build_dirlist (dir, opt, &list, &num_files, &max_num_files)) - { - SLang_push_null (); - return; - } - /* If max_num_files == 0, then num_files == 0 and list == NULL. - * The realloc step below will malloc list for us. - */ - if (num_files + 1 < max_num_files) - { - char **new_list; - if (NULL == (new_list = (char **) SLrealloc ((char *)list, (num_files + 1)* sizeof(char*)))) - { - free_dir_list (list, num_files); - SLang_push_null (); - return; - } - list = new_list; - } - - inum_files = (int) num_files; - if (NULL == (at = SLang_create_array (SLANG_STRING_TYPE, 0, (VOID_STAR) list, &inum_files, 1))) - { - free_dir_list (list, num_files); - SLang_push_null (); - return; - } - - /* Allow the array to free this list if push fails */ - if (-1 == SLang_push_array (at, 1)) - SLang_push_null (); -} - -static void listdir_cmd_wrap (void) -{ - char *s, *sopt; - - sopt = NULL; - switch (SLang_Num_Function_Args) - { - case 2: - if (-1 == SLang_pop_slstring (&sopt)) - return; - case 1: - if (-1 == SLang_pop_slstring (&s)) - { - SLang_free_slstring (sopt); - return; - } - break; - default: - SLang_verror (SL_INVALID_PARM, "usage: listdir (string, [opt-string]"); - return; - } - - listdir_cmd (s, sopt); - SLang_free_slstring (s); - SLang_free_slstring (sopt); -} - -#endif /* USE_LISTDIR_INTRINSIC */ - -#ifdef HAVE_UMASK -static int umask_cmd (int *u) -{ - return umask (*u); -} -#endif - -static SLang_Intrin_Fun_Type PosixDir_Name_Table [] = -{ -#ifdef HAVE_READLINK - MAKE_INTRINSIC_S("readlink", readlink_cmd, SLANG_VOID_TYPE), -#endif - MAKE_INTRINSIC_S("lstat_file", lstat_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_S("stat_file", stat_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_SI("stat_is", stat_is_cmd, SLANG_CHAR_TYPE), -#ifdef HAVE_MKFIFO - MAKE_INTRINSIC_SI("mkfifo", mkfifo_cmd, SLANG_INT_TYPE), -#endif -#ifdef HAVE_CHOWN - MAKE_INTRINSIC_SII("chown", chown_cmd, SLANG_INT_TYPE), -#endif - MAKE_INTRINSIC_SI("chmod", chmod_cmd, SLANG_INT_TYPE), -#ifdef HAVE_UMASK - MAKE_INTRINSIC_I("umask", umask_cmd, SLANG_INT_TYPE), -#endif - MAKE_INTRINSIC_0("getcwd", slget_cwd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_SI("mkdir", mkdir_cmd, SLANG_INT_TYPE), - MAKE_INTRINSIC_S("chdir", chdir_cmd, SLANG_INT_TYPE), - MAKE_INTRINSIC_S("rmdir", rmdir_cmd, SLANG_INT_TYPE), - MAKE_INTRINSIC_S("remove", remove_cmd, SLANG_INT_TYPE), - MAKE_INTRINSIC_SS("rename", rename_cmd, SLANG_INT_TYPE), -#if USE_LISTDIR_INTRINSIC - MAKE_INTRINSIC("listdir", listdir_cmd_wrap, SLANG_VOID_TYPE, 0), -#endif - SLANG_END_INTRIN_FUN_TABLE -}; - -static SLang_IConstant_Type PosixDir_Consts [] = -{ -#ifndef S_IRWXU -# define S_IRWXU 00700 -#endif - MAKE_ICONSTANT("S_IRWXU", S_IRWXU), -#ifndef S_IRUSR -# define S_IRUSR 00400 -#endif - MAKE_ICONSTANT("S_IRUSR", S_IRUSR), -#ifndef S_IWUSR -# define S_IWUSR 00200 -#endif - MAKE_ICONSTANT("S_IWUSR", S_IWUSR), -#ifndef S_IXUSR -# define S_IXUSR 00100 -#endif - MAKE_ICONSTANT("S_IXUSR", S_IXUSR), -#ifndef S_IRWXG -# define S_IRWXG 00070 -#endif - MAKE_ICONSTANT("S_IRWXG", S_IRWXG), -#ifndef S_IRGRP -# define S_IRGRP 00040 -#endif - MAKE_ICONSTANT("S_IRGRP", S_IRGRP), -#ifndef S_IWGRP -# define S_IWGRP 00020 -#endif - MAKE_ICONSTANT("S_IWGRP", S_IWGRP), -#ifndef S_IXGRP -# define S_IXGRP 00010 -#endif - MAKE_ICONSTANT("S_IXGRP", S_IXGRP), -#ifndef S_IRWXO -# define S_IRWXO 00007 -#endif - MAKE_ICONSTANT("S_IRWXO", S_IRWXO), -#ifndef S_IROTH -# define S_IROTH 00004 -#endif - MAKE_ICONSTANT("S_IROTH", S_IROTH), -#ifndef S_IWOTH -# define S_IWOTH 00002 -#endif - MAKE_ICONSTANT("S_IWOTH", S_IWOTH), -#ifndef S_IXOTH -# define S_IXOTH 00001 -#endif - MAKE_ICONSTANT("S_IXOTH", S_IXOTH), -#ifdef __WIN32__ - MAKE_ICONSTANT("FILE_ATTRIBUTE_ARCHIVE", FILE_ATTRIBUTE_ARCHIVE), - MAKE_ICONSTANT("FILE_ATTRIBUTE_COMPRESSED", FILE_ATTRIBUTE_COMPRESSED), - MAKE_ICONSTANT("FILE_ATTRIBUTE_NORMAL", FILE_ATTRIBUTE_NORMAL), - MAKE_ICONSTANT("FILE_ATTRIBUTE_DIRECTORY", FILE_ATTRIBUTE_DIRECTORY), - MAKE_ICONSTANT("FILE_ATTRIBUTE_HIDDEN", FILE_ATTRIBUTE_HIDDEN), - MAKE_ICONSTANT("FILE_ATTRIBUTE_READONLY", FILE_ATTRIBUTE_READONLY), - MAKE_ICONSTANT("FILE_ATTRIBUTE_SYSTEM", FILE_ATTRIBUTE_SYSTEM), - MAKE_ICONSTANT("FILE_ATTRIBUTE_TEMPORARY", FILE_ATTRIBUTE_TEMPORARY), -#endif - SLANG_END_ICONST_TABLE -}; - -static int Initialized; - -int SLang_init_posix_dir (void) -{ - if (Initialized) - return 0; - - if ((-1 == SLadd_intrin_fun_table(PosixDir_Name_Table, "__POSIX_DIR__")) - || (-1 == SLadd_iconstant_table (PosixDir_Consts, NULL)) - || (-1 == _SLerrno_init ())) - return -1; - - Initialized = 1; - - return 0; -} - diff --git a/mdk-stage1/slang/slposio.c b/mdk-stage1/slang/slposio.c deleted file mode 100644 index ab1e9f689..000000000 --- a/mdk-stage1/slang/slposio.c +++ /dev/null @@ -1,568 +0,0 @@ -/* This module implements an interface to posix system calls */ -/* file stdio intrinsics for S-Lang */ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#if defined(__unix__) || (defined (__os2__) && defined (__EMX__)) -# include <sys/types.h> -#endif - -#ifdef HAVE_FCNTL_H -# include <fcntl.h> -#endif -#ifdef HAVE_SYS_FCNTL_H -# include <sys/fcntl.h> -#endif - -#ifdef __unix__ -# include <sys/file.h> -#endif - -#ifdef HAVE_IO_H -# include <io.h> -#endif - -#if defined(__BORLANDC__) -# include <dir.h> -#endif - -#if defined(__DECC) && defined(VMS) -# include <unixio.h> -# include <unixlib.h> -#endif - -#ifdef VMS -# include <stat.h> -#else -# include <sys/stat.h> -#endif - -#include <errno.h> - -#include "slang.h" -#include "_slang.h" - -struct _SLFile_FD_Type -{ - char *name; - unsigned int num_refs; /* reference counting */ - int fd; - SLang_MMT_Type *stdio_mmt; /* fdopen'd stdio object */ - - /* methods */ - int (*close)(int); - int (*read) (int, char *, unsigned int *); - int (*write)(int, char *, unsigned int *); -}; - -static int close_method (int fd) -{ - return close (fd); -} - -static int write_method (int fd, char *buf, unsigned int *nump) -{ - int num; - - if (-1 == (num = write (fd, buf, *nump))) - { - *nump = 0; - return -1; - } - - *nump = (unsigned int) num; - return 0; -} - -static int read_method (int fd, char *buf, unsigned int *nump) -{ - int num; - - num = read (fd, buf, *nump); - if (num == -1) - { - *nump = 0; - return -1; - } - *nump = (unsigned int) num; - return 0; -} - -static int check_fd (int fd) -{ - if (fd == -1) - { -#ifdef EBADF - _SLerrno_errno = EBADF; -#endif - return -1; - } - - return 0; -} - -static int posix_close (SLFile_FD_Type *f) -{ - if (-1 == check_fd (f->fd)) - return -1; - - if ((f->close != NULL) - && (-1 == f->close (f->fd))) - { - _SLerrno_errno = errno; - return -1; - } - - if (f->stdio_mmt != NULL) - { - SLang_free_mmt (f->stdio_mmt); - f->stdio_mmt = NULL; - } - - f->fd = -1; - return 0; -} - -/* Usage: Uint write (f, buf); */ -static void posix_write (SLFile_FD_Type *f, SLang_BString_Type *bstr) -{ - unsigned int len; - char *p; - - if ((-1 == check_fd (f->fd)) - || (NULL == (p = (char *)SLbstring_get_pointer (bstr, &len)))) - { - SLang_push_integer (-1); - return; - } - - if (-1 == f->write (f->fd, p, &len)) - { - _SLerrno_errno = errno; - SLang_push_integer (-1); - return; - } - - (void) SLang_push_uinteger (len); -} - -/* Usage: nn = read (f, &buf, n); */ -static void posix_read (SLFile_FD_Type *f, SLang_Ref_Type *ref, unsigned int *nbytes) -{ - unsigned int len; - char *b; - SLang_BString_Type *bstr; - - b = NULL; - - len = *nbytes; - if ((-1 == check_fd (f->fd)) - || (NULL == (b = SLmalloc (len + 1)))) - goto return_error; - - if (-1 == f->read (f->fd, b, &len)) - { - _SLerrno_errno = errno; - goto return_error; - } - - if (len != *nbytes) - { - char *b1 = SLrealloc (b, len + 1); - if (b1 == NULL) - goto return_error; - b = b1; - } - - bstr = SLbstring_create_malloced ((unsigned char *) b, len, 0); - if (bstr != NULL) - { - if ((-1 != SLang_assign_to_ref (ref, SLANG_BSTRING_TYPE, (VOID_STAR)&bstr)) - && (-1 != SLang_push_uinteger (len))) - return; - - SLbstring_free (bstr); - b = NULL; - /* drop */ - } - - return_error: - if (b != NULL) SLfree ((char *)b); - (void) SLang_assign_to_ref (ref, SLANG_NULL_TYPE, NULL); - (void) SLang_push_integer (-1); -} - -SLFile_FD_Type *SLfile_create_fd (char *name, int fd) -{ - SLFile_FD_Type *f; - - if (NULL == (f = (SLFile_FD_Type *) SLmalloc (sizeof (SLFile_FD_Type)))) - return NULL; - - memset ((char *) f, 0, sizeof (SLFile_FD_Type)); - if (NULL == (f->name = SLang_create_slstring (name))) - { - SLfree ((char *)f); - return NULL; - } - - f->fd = fd; - f->num_refs = 1; - - f->close = close_method; - f->read = read_method; - f->write = write_method; - - return f; -} - -SLFile_FD_Type *SLfile_dup_fd (SLFile_FD_Type *f0) -{ - SLFile_FD_Type *f; - int fd0, fd; - - if (f0 == NULL) - return NULL; - fd0 = f0->fd; - if (-1 == check_fd (fd0)) - return NULL; - - while (-1 == (fd = dup (fd0))) - { -#ifdef EINTR - if (errno == EINTR) - continue; -#endif - _SLerrno_errno = errno; - return NULL; - } - - if (NULL == (f = SLfile_create_fd (f0->name, fd))) - { - f0->close (fd); - return NULL; - } - - return f; -} - -int SLfile_get_fd (SLFile_FD_Type *f, int *fd) -{ - if (f == NULL) - return -1; - - *fd = f->fd; - if (-1 == check_fd (*fd)) - return -1; - - return 0; -} - -void SLfile_free_fd (SLFile_FD_Type *f) -{ - if (f == NULL) - return; - - if (f->num_refs > 1) - { - f->num_refs -= 1; - return; - } - - if (f->fd != -1) - { - if (f->close != NULL) - (void) f->close (f->fd); - - f->fd = -1; - } - - if (f->stdio_mmt != NULL) - SLang_free_mmt (f->stdio_mmt); - - SLfree ((char *) f); -} - -static int pop_string_int (char **s, int *i) -{ - *s = NULL; - if ((-1 == SLang_pop_integer (i)) - || (-1 == SLang_pop_slstring (s))) - return -1; - - return 0; -} - -static int pop_string_int_int (char **s, int *a, int *b) -{ - *s = NULL; - if ((-1 == SLang_pop_integer (b)) - || (-1 == pop_string_int (s, a))) - return -1; - - return 0; -} - -static void posix_open (void) -{ - char *file; - int mode, flags; - SLFile_FD_Type *f; - - switch (SLang_Num_Function_Args) - { - case 3: - if (-1 == pop_string_int_int (&file, &flags, &mode)) - { - SLang_push_null (); - return; - } - break; - - case 2: - default: - if (-1 == pop_string_int (&file, &flags)) - return; - mode = 0777; - break; - } - - f = SLfile_create_fd (file, -1); - if (f == NULL) - { - SLang_free_slstring (file); - SLang_push_null (); - return; - } - SLang_free_slstring (file); - - if (-1 == (f->fd = open (f->name, flags, mode))) - { - _SLerrno_errno = errno; - SLfile_free_fd (f); - SLang_push_null (); - return; - } - - if (-1 == SLfile_push_fd (f)) - SLang_push_null (); - SLfile_free_fd (f); -} - -static void posix_fileno (void) -{ - FILE *fp; - SLang_MMT_Type *mmt; - int fd; - SLFile_FD_Type *f; - char *name; - - if (-1 == SLang_pop_fileptr (&mmt, &fp)) - { - SLang_push_null (); - return; - } - name = SLang_get_name_from_fileptr (mmt); - fd = fileno (fp); - - f = SLfile_create_fd (name, fd); - if (f != NULL) - f->close = NULL; /* prevent fd from being closed - * when it goes out of scope - */ - SLang_free_mmt (mmt); - - if (-1 == SLfile_push_fd (f)) - SLang_push_null (); - SLfile_free_fd (f); -} - -static void posix_fdopen (SLFile_FD_Type *f, char *mode) -{ - if (f->stdio_mmt == NULL) - { - if (-1 == _SLstdio_fdopen (f->name, f->fd, mode)) - return; - - if (NULL == (f->stdio_mmt = SLang_pop_mmt (SLANG_FILE_PTR_TYPE))) - return; - } - - (void) SLang_push_mmt (f->stdio_mmt); -} - -static long posix_lseek (SLFile_FD_Type *f, long ofs, int whence) -{ - long status; - - if (-1 == (status = lseek (f->fd, ofs, whence))) - _SLerrno_errno = errno; - - return status; -} - -static int posix_isatty (void) -{ - int ret; - SLFile_FD_Type *f; - - if (SLang_peek_at_stack () == SLANG_FILE_PTR_TYPE) - { - SLang_MMT_Type *mmt; - FILE *fp; - - if (-1 == SLang_pop_fileptr (&mmt, &fp)) - return 0; /* invalid descriptor */ - - ret = isatty (fileno (fp)); - SLang_free_mmt (mmt); - return ret; - } - - if (-1 == SLfile_pop_fd (&f)) - return 0; - - ret = isatty (f->fd); - SLfile_free_fd (f); - - return ret; -} - -static void posix_dup (SLFile_FD_Type *f) -{ - if ((NULL == (f = SLfile_dup_fd (f))) - || (-1 == SLfile_push_fd (f))) - SLang_push_null (); - - SLfile_free_fd (f); -} - -#define I SLANG_INT_TYPE -#define V SLANG_VOID_TYPE -#define F SLANG_FILE_FD_TYPE -#define B SLANG_BSTRING_TYPE -#define R SLANG_REF_TYPE -#define U SLANG_UINT_TYPE -#define S SLANG_STRING_TYPE -#define L SLANG_LONG_TYPE -static SLang_Intrin_Fun_Type Fd_Name_Table [] = -{ - MAKE_INTRINSIC_0("fileno", posix_fileno, V), - MAKE_INTRINSIC_0("isatty", posix_isatty, I), - MAKE_INTRINSIC_0("open", posix_open, V), - MAKE_INTRINSIC_3("read", posix_read, V, F, R, U), - MAKE_INTRINSIC_3("lseek", posix_lseek, L, F, L, I), - MAKE_INTRINSIC_2("fdopen", posix_fdopen, V, F, S), - MAKE_INTRINSIC_2("write", posix_write, V, F, B), - MAKE_INTRINSIC_1("dup_fd", posix_dup, V, F), - MAKE_INTRINSIC_1("close", posix_close, I, F), - SLANG_END_INTRIN_FUN_TABLE -}; -#undef I -#undef V -#undef F -#undef B -#undef R -#undef S -#undef L -#undef U - -static SLang_IConstant_Type PosixIO_Consts [] = -{ -#ifdef O_RDONLY - MAKE_ICONSTANT("O_RDONLY", O_RDONLY), -#endif -#ifdef O_WRONLY - MAKE_ICONSTANT("O_WRONLY", O_WRONLY), -#endif -#ifdef O_RDWR - MAKE_ICONSTANT("O_RDWR", O_RDWR), -#endif -#ifdef O_APPEND - MAKE_ICONSTANT("O_APPEND", O_APPEND), -#endif -#ifdef O_CREAT - MAKE_ICONSTANT("O_CREAT", O_CREAT), -#endif -#ifdef O_EXCL - MAKE_ICONSTANT("O_EXCL", O_EXCL), -#endif -#ifdef O_NOCTTY - MAKE_ICONSTANT("O_NOCTTY", O_NOCTTY), -#endif -#ifdef O_NONBLOCK - MAKE_ICONSTANT("O_NONBLOCK", O_NONBLOCK), -#endif -#ifdef O_TRUNC - MAKE_ICONSTANT("O_TRUNC", O_TRUNC), -#endif -#ifndef O_BINARY -# define O_BINARY 0 -#endif - MAKE_ICONSTANT("O_BINARY", O_BINARY), -#ifndef O_TEXT -# define O_TEXT 0 -#endif - MAKE_ICONSTANT("O_TEXT", O_TEXT), - - SLANG_END_ICONST_TABLE -}; - -int SLfile_push_fd (SLFile_FD_Type *f) -{ - if (f == NULL) - return SLang_push_null (); - - f->num_refs += 1; - - if (0 == SLclass_push_ptr_obj (SLANG_FILE_FD_TYPE, (VOID_STAR) f)) - return 0; - - f->num_refs -= 1; - - return -1; -} - -int SLfile_pop_fd (SLFile_FD_Type **f) -{ - return SLclass_pop_ptr_obj (SLANG_FILE_FD_TYPE, (VOID_STAR *) f); -} - -static void destroy_fd_type (unsigned char type, VOID_STAR ptr) -{ - (void) type; - SLfile_free_fd (*(SLFile_FD_Type **) ptr); -} - -static int fd_push (unsigned char type, VOID_STAR v) -{ - (void) type; - return SLfile_push_fd (*(SLFile_FD_Type **)v); -} - -int SLang_init_posix_io (void) -{ - SLang_Class_Type *cl; - - if (NULL == (cl = SLclass_allocate_class ("FD_Type"))) - return -1; - cl->cl_destroy = destroy_fd_type; - (void) SLclass_set_push_function (cl, fd_push); - - if (-1 == SLclass_register_class (cl, SLANG_FILE_FD_TYPE, sizeof (SLFile_FD_Type), SLANG_CLASS_TYPE_PTR)) - return -1; - - if ((-1 == SLadd_intrin_fun_table(Fd_Name_Table, "__POSIXIO__")) - || (-1 == SLadd_iconstant_table (PosixIO_Consts, NULL)) - || (-1 == _SLerrno_init ())) - return -1; - - return 0; -} - diff --git a/mdk-stage1/slang/slprepr.c b/mdk-stage1/slang/slprepr.c deleted file mode 100644 index 358eeb874..000000000 --- a/mdk-stage1/slang/slprepr.c +++ /dev/null @@ -1,427 +0,0 @@ -/* Copyright (c) 1996, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -/*--------------------------------*-C-*---------------------------------* - * File: slprepr.c - * - * preprocessing routines - */ -/*{{{ notes: */ -/* - * various preprocessing tokens supported - * - * #ifdef TOKEN1 TOKEN2 ... - * - True if any of TOKEN1 TOKEN2 ... are defined - * - * #ifndef TOKEN1 TOKEN2 ... - * - True if none of TOKEN1 TOKEN2 ... are defined - * - * #iftrue - * #ifnfalse - * - always True - * - * #iffalse - * #ifntrue - * - always False - * - * #if$ENV - * - True if the enviroment variable ENV is set - * - * #ifn$ENV - * - True if the enviroment variable ENV is not set - * - * #if$ENV TOKEN1 TOKEN2 ... - * - True if the contents of enviroment variable ENV match - * any of TOKEN1 TOKEN2 ... - * - * #ifn$ENV TOKEN1 TOKEN2 ... - * - True if the contents of enviroment variable ENV do not match - * any of TOKEN1 TOKEN2 ... - * - * NB: For $ENV, the tokens may contain wildcard characters: - * '?' - match any single character - * '*' - match any number of characters - * - * #elif... - * #else - * #endif - * - * - * mj olesen - *----------------------------------------------------------------------*/ -/*}}}*/ -/*{{{ includes: */ -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" -/*}}}*/ - -int (*SLprep_exists_hook) (char *, char); -int (*_SLprep_eval_hook) (char *); - -/*{{{ SLprep_open_prep (), SLprep_close_prep () */ -int SLprep_open_prep (SLPreprocess_Type *pt) -{ - pt->this_level = 0; - pt->exec_level = 0; - pt->prev_exec_level = 0; - pt->comment_char = '%'; - pt->preprocess_char = '#'; - pt->flags = 0; - return 0; -} - -void SLprep_close_prep (SLPreprocess_Type *pt) -{ - (void) pt; -} -/*}}}*/ - -/*{{{ SLwildcard () */ -/*----------------------------------------------------------------------* - * Does `string' match `pattern' ? - * - * '*' in pattern matches any sub-string (including the null string) - * '?' matches any single char. - * - * Code taken from that donated by Paul Hudson <paulh@harlequin.co.uk> - * to the fvwm project. - * It is public domain, no strings attached. No guarantees either. - *----------------------------------------------------------------------*/ -static int SLwildcard (char *pattern, char *string) -{ - if (pattern == NULL || *pattern == '\0' || !strcmp (pattern, "*")) - return 1; - else if (string == NULL) - return 0; - - while (*pattern && *string) switch (*pattern) - { - case '?': - /* match any single character */ - pattern++; - string++; - break; - - case '*': - /* see if rest of pattern matches any trailing */ - /* substring of the string. */ - if (*++pattern == '\0') - return 1; /* trailing * must match rest */ - - while (*string) - { - if (SLwildcard (pattern, string)) return 1; - string++; - } - return 0; - - /* break; */ - - default: - if (*pattern == '\\') - { - if (*++pattern == '\0') - pattern--; /* don't skip trailing backslash */ - } - if (*pattern++ != *string++) return 0; - break; - } - - return ((*string == '\0') - && ((*pattern == '\0') || !strcmp (pattern, "*"))); -} -/*}}}*/ - -#if defined(__16_BIT_SYSTEM__) -# define MAX_DEFINES 10 -#else -# define MAX_DEFINES 128 -#endif - -/* The extra one is for NULL termination */ -char *_SLdefines [MAX_DEFINES + 1]; - -int SLdefine_for_ifdef (char *s) /*{{{*/ -{ - unsigned int i; - - for (i = 0; i < MAX_DEFINES; i++) - { - char *s1 = _SLdefines [i]; - - if (s1 == s) - return 0; /* already defined (hashed string) */ - - if (s1 != NULL) - continue; - - s = SLang_create_slstring (s); - if (s == NULL) - return -1; - - _SLdefines[i] = s; - return 0; - } - return -1; -} -/*}}}*/ - -/*{{{ static functions */ -static int is_any_defined(char *buf, char comment) /*{{{*/ -{ - char *sys; - unsigned int i; - - while (1) - { - register char ch; - - /* Skip whitespace */ - while (((ch = *buf) == ' ') || (ch == '\t')) - buf++; - - if ((ch == '\n') || (ch == 0) || (ch == comment)) - return 0; - - i = 0; - while (NULL != (sys = _SLdefines [i++])) - { - unsigned int n; - - if (*sys != ch) - continue; - - n = strlen (sys); - if (0 == strncmp (buf, sys, n)) - { - char ch1 = *(buf + n); - - if ((ch1 == '\n') || (ch1 == 0) || - (ch1 == ' ') || (ch1 == '\t') || (ch1 == comment)) - return 1; - } - } - - /* Skip past word */ - while (((ch = *buf) != ' ') - && (ch != '\n') - && (ch != 0) - && (ch != '\t') - && (ch != comment)) - buf++; - } -} -/*}}}*/ - -static unsigned char *tokenize (unsigned char *buf, char *token, unsigned int len) -{ - register char *token_end; - - token_end = token + (len - 1); /* allow room for \0 */ - - while ((token < token_end) && (*buf > ' ')) - *token++ = *buf++; - - if (*buf > ' ') return NULL; /* token too long */ - - *token = '\0'; - - while ((*buf == ' ') || (*buf == '\t')) buf++; - - return buf; -} - -static int is_env_defined (char *buf, char comment) /*{{{*/ -{ - char * env, token [32]; - - if ((*buf <= ' ') || (*buf == comment)) return 0; /* no token */ - - if (NULL == (buf = (char *) tokenize ((unsigned char *) buf, - token, sizeof (token)))) - return 0; - - if (NULL == (env = getenv (token))) - return 0; /* ENV not defined */ - - if ((*buf == '\0') || (*buf == '\n') || (*buf == comment)) - return 1; /* no tokens, but getenv() worked */ - - do - { - buf = (char *) tokenize ((unsigned char *) buf, token, sizeof (token)); - if (buf == NULL) return 0; - - if (SLwildcard (token, env)) - return 1; - } - while (*buf && (*buf != '\n') && (*buf != comment)); - - return 0; -} -/*}}}*/ -/*}}}*/ - -int SLprep_line_ok (char *buf, SLPreprocess_Type *pt) /*{{{*/ -{ - int level, prev_exec_level, exec_level; - - if ((buf == NULL) || (pt == NULL)) return 1; - - if (*buf != pt->preprocess_char) - { - if (pt->this_level != pt->exec_level) - return 0; - - if (*buf == '\n') return pt->flags & SLPREP_BLANK_LINES_OK; - if (*buf == pt->comment_char) return pt->flags & SLPREP_COMMENT_LINES_OK; - - return 1; - } - - level = pt->this_level; - exec_level = pt->exec_level; - prev_exec_level = pt->prev_exec_level; - - buf++; - - /* Allow '#!' to pass. This could be a shell script with something - like '#! /local/bin/slang' */ - if ((*buf == '!') && (pt->preprocess_char == '#')) - return 0; - - /* Allow whitespace as in '# ifdef' */ - while ((*buf == ' ') || (*buf == '\t')) buf++; - if (*buf < 'a') return (level == exec_level); - - if (!strncmp(buf, "endif", 5)) - { - if (level == exec_level) - { - exec_level--; - prev_exec_level = exec_level; - } - level--; - if (level < prev_exec_level) prev_exec_level = level; - goto done; - } - - if ((buf[0] == 'e') && (buf[1] == 'l')) /* else, elifdef, ... */ - { - if ((level == exec_level + 1) - && (prev_exec_level != level)) - { - /* We are in position to execute */ - buf += 2; - if ((buf[0] == 's') && (buf[1] == 'e')) - { - /* "else" */ - exec_level = level; - goto done; - } - - /* drop through to ifdef testing. First set variable - * to values appropriate for ifdef testing. - */ - level--; /* now == to exec level */ - } - else - { - if (level == exec_level) - { - exec_level--; - } - goto done; - } - } - - if ((buf[0] == 'i') && (buf[1] == 'f')) - { - int truth; - - if (level != exec_level) - { - /* Not interested */ - level++; - goto done; - } - - level++; - - buf += 2; - if (buf[0] == 'n') - { - truth = 0; - buf++; - } - else truth = 1; - - if (!strncmp (buf, "def", 3)) - truth = (truth == is_any_defined(buf + 3, pt->comment_char)); - - else if (!strncmp (buf, "false", 5)) - truth = !truth; - - else if (*buf == '$') - truth = (truth == is_env_defined (buf + 1, pt->comment_char)); - - else if (!strncmp (buf, "exists", 6) - && (SLprep_exists_hook != NULL)) - truth = (truth == (*SLprep_exists_hook)(buf + 6, pt->comment_char)); - - else if (!strncmp (buf, "eval", 4) - && (_SLprep_eval_hook != NULL)) - truth = (truth == (*_SLprep_eval_hook) (buf + 4)); - - else if (0 != strncmp (buf, "true", 4)) - return 1; /* let it bomb */ - - if (truth) - { - exec_level = level; - prev_exec_level = exec_level; - } - } - else return 1; /* let it bomb. */ - - done: - - if (exec_level < 0) return 1; - - pt->this_level = level; - pt->exec_level = exec_level; - pt->prev_exec_level = prev_exec_level; - return 0; -} -/*}}}*/ - -/*{{{ main() - for testing only */ -#if 0 -int main () -{ - char buf[1024]; - SLPreprocess_Type pt; - - SLprep_open_prep (&pt); - - SLdefine_for_ifdef ("UNIX"); - - while (NULL != fgets (buf, sizeof (buf) - 1, stdin)) - { - if (SLprep_line_ok (buf, &pt)) - { - fputs (buf, stdout); - } - } - - SLprep_close_prep (&pt); - return 0; -} -#endif -/*}}}*/ diff --git a/mdk-stage1/slang/slproc.c b/mdk-stage1/slang/slproc.c deleted file mode 100644 index 8b266f28f..000000000 --- a/mdk-stage1/slang/slproc.c +++ /dev/null @@ -1,155 +0,0 @@ -/* Process specific system calls */ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#ifdef HAVE_IO_H -# include <io.h> /* for chmod */ -#endif - -#ifdef HAVE_PROCESS_H -# include <process.h> /* for getpid */ -#endif - -#if defined(__BORLANDC__) -# include <dos.h> -#endif - -#include <sys/types.h> -#include <sys/stat.h> -#include <signal.h> -#include <time.h> - -#include <errno.h> - -#include "slang.h" -#include "_slang.h" - -#ifdef HAVE_KILL -static int kill_cmd (int *pid, int *sig) -{ - int ret; - - if (-1 == (ret = kill ((pid_t) *pid, *sig))) - _SLerrno_errno = errno; - return ret; -} -#endif - -static int getpid_cmd (void) -{ - return getpid (); -} - -#ifdef HAVE_GETPPID -static int getppid_cmd (void) -{ - return getppid (); -} -#endif - -#ifdef HAVE_GETGID -static int getgid_cmd (void) -{ - return getgid (); -} -#endif - -#ifdef HAVE_GETEGID -static int getegid_cmd (void) -{ - return getegid (); -} -#endif - -#ifdef HAVE_GETEUID -static int geteuid_cmd (void) -{ - return geteuid (); -} -#endif - -#ifdef HAVE_GETUID -static int getuid_cmd (void) -{ - return getuid (); -} -#endif - -#ifdef HAVE_SETGID -static int setgid_cmd (int *gid) -{ - if (0 == setgid (*gid)) - return 0; - _SLerrno_errno = errno; - return -1; -} -#endif - -#ifdef HAVE_SETPGID -static int setpgid_cmd (int *pid, int *pgid) -{ - if (0 == setpgid (*pid, *pgid)) - return 0; - _SLerrno_errno = errno; - return -1; -} -#endif - -#ifdef HAVE_SETUID -static int setuid_cmd (int *uid) -{ - if (0 == setuid (*uid)) - return 0; - _SLerrno_errno = errno; - return -1; -} -#endif - -static SLang_Intrin_Fun_Type Process_Name_Table[] = -{ - MAKE_INTRINSIC_0("getpid", getpid_cmd, SLANG_INT_TYPE), - -#ifdef HAVE_GETPPID - MAKE_INTRINSIC_0("getppid", getppid_cmd, SLANG_INT_TYPE), -#endif -#ifdef HAVE_GETGID - MAKE_INTRINSIC_0("getgid", getgid_cmd, SLANG_INT_TYPE), -#endif -#ifdef HAVE_GETEGID - MAKE_INTRINSIC_0("getegid", getegid_cmd, SLANG_INT_TYPE), -#endif -#ifdef HAVE_GETEUID - MAKE_INTRINSIC_0("geteuid", geteuid_cmd, SLANG_INT_TYPE), -#endif -#ifdef HAVE_GETUID - MAKE_INTRINSIC_0("getuid", getuid_cmd, SLANG_INT_TYPE), -#endif -#ifdef HAVE_SETGID - MAKE_INTRINSIC_I("setgid", setgid_cmd, SLANG_INT_TYPE), -#endif -#ifdef HAVE_SETPGID - MAKE_INTRINSIC_II("setpgid", setpgid_cmd, SLANG_INT_TYPE), -#endif -#ifdef HAVE_SETUID - MAKE_INTRINSIC_I("setuid", setuid_cmd, SLANG_INT_TYPE), -#endif - -#ifdef HAVE_KILL - MAKE_INTRINSIC_II("kill", kill_cmd, SLANG_INT_TYPE), -#endif - SLANG_END_INTRIN_FUN_TABLE -}; - -int SLang_init_posix_process (void) -{ - if ((-1 == SLadd_intrin_fun_table (Process_Name_Table, "__POSIX_PROCESS__")) - || (-1 == _SLerrno_init ())) - return -1; - return 0; -} diff --git a/mdk-stage1/slang/slregexp.c b/mdk-stage1/slang/slregexp.c deleted file mode 100644 index 6592a5a63..000000000 --- a/mdk-stage1/slang/slregexp.c +++ /dev/null @@ -1,935 +0,0 @@ -/* ed style regular expressions */ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -#define SET_BIT(b, n) b[(unsigned int) (n) >> 3] |= 1 << ((unsigned int) (n) % 8) -#define TEST_BIT(b, n) (b[(unsigned int)(n) >> 3] & (1 << ((unsigned int) (n) % 8))) -#define LITERAL 1 -#define RANGE 2 /* [...] */ -#define ANY 3 /* . */ -#define BOL 4 /* ^ */ -#define EOL 5 /* $ */ -#define NTH_MATCH 6 /* \1 \2 ... \9 */ -#define OPAREN 7 /* \( */ -#define CPAREN 0x8 /* \) */ -#define ANY_DIGIT 0x9 /* \d */ -#define BOW 0xA /* \< */ -#define EOW 0xB /* \> */ -#if 0 -#define NOT_LITERAL 0xC /* \~ */ -#endif -#define STAR 0x80 /* * */ -#define LEAST_ONCE 0x40 /* + */ -#define MAYBE_ONCE 0x20 /* ? */ -#define MANY 0x10 /* {n,m} */ -/* The rest are additions */ -#define YES_CASE (STAR | BOL) -#define NO_CASE (STAR | EOL) - -#define UPPERCASE(x) (cs ? (x) : UPPER_CASE(x)) -#define LOWERCASE(x) (cs ? (x) : LOWER_CASE(x)) - -static unsigned char Word_Chars[256]; -#define IS_WORD_CHAR(x) Word_Chars[(unsigned int) (x)] - -#if 0 -static int ctx->open_paren_number; -static char Closed_Paren_Matches[10]; - -static SLRegexp_Type *This_Reg; -static unsigned char *This_Str; -#endif - -typedef struct -{ - SLRegexp_Type *reg; - unsigned char *str; - unsigned int len; - char closed_paren_matches[10]; - int open_paren_number; -} -Re_Context_Type; - -static unsigned char *do_nth_match (Re_Context_Type *ctx, int n, unsigned char *str, unsigned char *estr) -{ - unsigned char *bpos; - - if (ctx->closed_paren_matches[n] == 0) - return NULL; - - bpos = ctx->reg->beg_matches[n] + ctx->str; - n = ctx->reg->end_matches[n]; - if (n == 0) return(str); - if (n > (int) (estr - str)) return (NULL); - - /* This needs fixed for case sensitive match */ - if (0 != strncmp((char *) str, (char *) bpos, (unsigned int) n)) return (NULL); - str += n; - return (str); -} - -/* returns pointer to the end of regexp or NULL */ -static unsigned char *regexp_looking_at (Re_Context_Type *ctx, register unsigned char *str, unsigned char *estr, unsigned char *buf, register int cs) -{ - register unsigned char p, p1; - unsigned char *save_str, *tmpstr; - int n, n0, n1; - int save_num_open; - char save_closed_matches[10]; - - p = *buf++; - - while (p != 0) - { - /* p1 = UPPERCASE(*buf); */ - /* if (str < estr) c = UPPERCASE(*str); */ - - switch((unsigned char) p) - { - case BOW: - if ((str != ctx->str) - && ((str >= estr) - || IS_WORD_CHAR(*(str - 1)) - || (0 == IS_WORD_CHAR(*str)))) return NULL; - break; - - case EOW: - if ((str < estr) - && IS_WORD_CHAR (*str)) return NULL; - break; - - case YES_CASE: cs = 1; break; - case NO_CASE: cs = 0; break; - - case OPAREN: - ctx->open_paren_number++; - ctx->reg->beg_matches[ctx->open_paren_number] = (int) (str - ctx->str); - break; - case CPAREN: - n = ctx->open_paren_number; - while (n > 0) - { - if (ctx->closed_paren_matches[n] != 0) - { - n--; - continue; - } - ctx->closed_paren_matches[n] = 1; - ctx->reg->end_matches[n] = (unsigned int) (str - (ctx->str + ctx->reg->beg_matches[n])); - break; - } - break; -#ifdef NOT_LITERAL - case NOT_LITERAL: - if ((str >= estr) || (*buf == UPPERCASE(*str))) return (NULL); - str++; buf++; - break; - - case MAYBE_ONCE | NOT_LITERAL: - save_str = str; - if ((str < estr) && (*buf != UPPERCASE(*str))) str++; - buf++; - goto match_rest; - - case NOT_LITERAL | LEAST_ONCE: /* match at least once */ - if ((str >= estr) || (UPPERCASE(*str) == UPPERCASE(*buf))) return (NULL); - str++; - /* drop */ - case STAR | NOT_LITERAL: - save_str = str; p1 = *buf; - while ((str < estr) && (UPPERCASE(*str) != p1)) str++; - buf++; - goto match_rest; - - /* this type consists of the expression + two bytes that - determine number of matches to perform */ - case MANY | NOT_LITERAL: - p1 = *buf; buf++; - n = n0 = (int) (unsigned char) *buf++; - /* minimum number to match--- could be 0 */ - n1 = (int) (unsigned char) *buf++; - /* maximum number to match */ - - while (n && (str < estr) && (p1 != *str)) - { - n--; - str++; - } - if (n) return (NULL); - - save_str = str; - n = n1 - n0; - while (n && (str < estr) && (p1 != *str)) - { - n--; - str++; - } - goto match_rest; -#endif /* NOT_LITERAL */ - case LITERAL: - if ((str >= estr) || (*buf != UPPERCASE(*str))) return (NULL); - str++; buf++; - break; - - case MAYBE_ONCE | LITERAL: - save_str = str; - if ((str < estr) && (*buf == UPPERCASE(*str))) str++; - buf++; - goto match_rest; - - case LITERAL | LEAST_ONCE: /* match at least once */ - if ((str >= estr) || (UPPERCASE(*str) != UPPERCASE(*buf))) return (NULL); - str++; - /* drop */ - case STAR | LITERAL: - save_str = str; p1 = *buf; - while ((str < estr) && (UPPERCASE(*str) == p1)) str++; - buf++; - goto match_rest; - - /* this type consists of the expression + two bytes that - determine number of matches to perform */ - case MANY | LITERAL: - p1 = *buf; buf++; - n = n0 = (int) (unsigned char) *buf++; - /* minimum number to match--- could be 0 */ - n1 = (int) (unsigned char) *buf++; - /* maximum number to match */ - - while (n && (str < estr) && (p1 == *str)) - { - n--; - str++; - } - if (n) return (NULL); - - save_str = str; - n = n1 - n0; - while (n && (str < estr) && (p1 == *str)) - { - n--; - str++; - } - goto match_rest; - - case NTH_MATCH: - if ((str = do_nth_match(ctx, (int) (unsigned char) *buf, str, estr)) == NULL) return(NULL); - buf++; - break; - - case MAYBE_ONCE | NTH_MATCH: - save_str = str; - tmpstr = do_nth_match (ctx, (int) (unsigned char) *buf, str, estr); - buf++; - if (tmpstr != NULL) - { - str = tmpstr; - goto match_rest; - } - continue; - - case LEAST_ONCE | NTH_MATCH: - if ((str = do_nth_match(ctx, (int) (unsigned char) *buf, str, estr)) == NULL) return(NULL); - /* drop */ - case STAR | NTH_MATCH: - save_str = str; - while (NULL != (tmpstr = do_nth_match(ctx, (int) (unsigned char) *buf, str, estr))) - { - str = tmpstr; - } - buf++; - goto match_rest; - - case MANY | NTH_MATCH: return(NULL); - /* needs done */ - - case RANGE: - if (str >= estr) return (NULL); - if (TEST_BIT(buf, UPPERCASE(*str)) == 0) return (NULL); - buf += 32; str++; - break; - - case MAYBE_ONCE | RANGE: - save_str = str; - if ((str < estr) && TEST_BIT(buf, UPPERCASE(*str))) str++; - buf += 32; - goto match_rest; - - case LEAST_ONCE | RANGE: - if ((str >= estr) || (0 == TEST_BIT(buf, UPPERCASE(*str)))) return NULL; - str++; - /* drop */ - case STAR | RANGE: - save_str = str; - while ((str < estr) && TEST_BIT(buf, UPPERCASE(*str))) str++; - buf += 32; - goto match_rest; - - /* The first 32 bytes correspond to the range and the two - * following bytes indicate the min and max number of matches. - */ - case MANY | RANGE: - /* minimum number to match--- could be 0 */ - n = n0 = (int) (unsigned char) *(buf + 32); - /* maximum number to match */ - n1 = (int) (unsigned char) *(buf + 33); - - while (n && (str < estr) && (TEST_BIT(buf, UPPERCASE(*str)))) - { - n--; - str++; - } - if (n) return (NULL); - save_str = str; - n = n1 - n0; - while (n && (str < estr) && (TEST_BIT(buf, UPPERCASE(*str)))) - { - n--; - str++; - } - buf += 34; /* 32 + 2 */ - goto match_rest; - - case ANY_DIGIT: - if ((str >= estr) || (*str > '9') || (*str < '0')) return (NULL); - str++; - break; - - case MAYBE_ONCE | ANY_DIGIT: - save_str = str; - if ((str < estr) && ((*str > '9') || (*str < '0'))) str++; - goto match_rest; - - case LEAST_ONCE | ANY_DIGIT: - if ((str >= estr) || ((*str > '9') || (*str < '0'))) return NULL; - str++; - /* drop */ - case STAR | ANY_DIGIT: - save_str = str; - while ((str < estr) && ((*str <= '9') && (*str >= '0'))) str++; - goto match_rest; - - case MANY | ANY_DIGIT: - /* needs finished */ - return (NULL); - - case ANY: - if ((str >= estr) || (*str == '\n')) return (NULL); - str++; - break; - - case MAYBE_ONCE | ANY: - save_str = str; - if ((str < estr) && (*str != '\n')) str++; - goto match_rest; - - case LEAST_ONCE | ANY: - if ((str >= estr) || (*str == '\n')) return (NULL); - str++; - /* drop */ - case STAR | ANY: - save_str = str; - while ((str < estr) && (*str != '\n')) str++; - goto match_rest; - - case MANY | ANY: - return (NULL); - /* needs finished */ - - case EOL: - if ((str >= estr) || (*str == '\n')) return (str); - return(NULL); - - default: return (NULL); - } - p = *buf++; - continue; - - match_rest: - if (save_str == str) - { - p = *buf++; - continue; - } - - /* if (p == EOL) - * { - * if (str < estr) return (NULL); else return (str); - * } - */ - - SLMEMCPY(save_closed_matches, ctx->closed_paren_matches, sizeof(save_closed_matches)); - save_num_open = ctx->open_paren_number; - while (str >= save_str) - { - tmpstr = regexp_looking_at (ctx, str, estr, buf, cs); - if (tmpstr != NULL) return(tmpstr); - SLMEMCPY(ctx->closed_paren_matches, save_closed_matches, sizeof(ctx->closed_paren_matches)); - ctx->open_paren_number = save_num_open; - str--; - } - return NULL; - } - if ((p != 0) && (p != EOL)) return (NULL); else return (str); -} - -static void -fixup_beg_end_matches (Re_Context_Type *ctx, SLRegexp_Type *r, unsigned char *str, unsigned char *epos) -{ - int i; - - if (str == NULL) - { - r->beg_matches[0] = -1; - r->end_matches[0] = 0; - SLMEMSET(ctx->closed_paren_matches, 0, sizeof(ctx->closed_paren_matches)); - } - else - { - r->beg_matches[0] = (int) (str - ctx->str); - r->end_matches[0] = (unsigned int) (epos - str); - } - - for (i = 1; i < 10; i++) - { - if (ctx->closed_paren_matches [i] == 0) - { - r->beg_matches[i] = -1; - r->end_matches[i] = 0; - } - } -} - -static void init_re_context (Re_Context_Type *ctx, SLRegexp_Type *reg, - unsigned char *str, unsigned int len) -{ - memset ((char *) ctx, 0, sizeof (Re_Context_Type)); - ctx->reg = reg; - ctx->str = str; - ctx->len = len; -} - -unsigned char *SLang_regexp_match(unsigned char *str, - unsigned int len, SLRegexp_Type *reg) -{ - register unsigned char c = 0, *estr = str + len; - int cs = reg->case_sensitive, lit = 0; - unsigned char *buf = reg->buf, *epos = NULL; - Re_Context_Type ctx_buf; - - if (reg->min_length > len) return NULL; - - init_re_context (&ctx_buf, reg, str, len); - - if (*buf == BOL) - { - if (NULL == (epos = regexp_looking_at (&ctx_buf, str, estr, buf + 1, cs))) - str = NULL; - - fixup_beg_end_matches (&ctx_buf, reg, str, epos); - return str; - } - - if (*buf == NO_CASE) - { - buf++; cs = 0; - } - - if (*buf == YES_CASE) - { - buf++; cs = 1; - } - - if (*buf == LITERAL) - { - lit = 1; - c = *(buf + 1); - } - else if ((*buf == OPAREN) && (*(buf + 1) == LITERAL)) - { - lit = 1; - c = *(buf + 2); - } - - while (str < estr) - { - ctx_buf.open_paren_number = 0; - memset (ctx_buf.closed_paren_matches, 0, sizeof(ctx_buf.closed_paren_matches)); - /* take care of leading chars */ - if (lit) - { - while ((str < estr) && (c != UPPERCASE(*str))) str++; - if (str >= estr) - break; /* failed */ - } - - if (NULL != (epos = regexp_looking_at(&ctx_buf, str, estr, buf, cs))) - { - fixup_beg_end_matches (&ctx_buf, reg, str, epos); - return str; - } - str++; - } - fixup_beg_end_matches (&ctx_buf, reg, NULL, epos); - return NULL; -} - -static unsigned char *convert_digit(unsigned char *pat, int *nn) -{ - int n = 0, m = 0; - unsigned char c; - while (c = (unsigned char) *pat, (c <= '9') && (c >= '0')) - { - pat++; - n = 10 * n + (c - '0'); - m++; - } - if (m == 0) - { - return (NULL); - } - *nn = n; - return pat; -} - -#define ERROR return (int) (pat - reg->pat) - -/* Returns 0 if successful or offset in pattern of error */ -int SLang_regexp_compile (SLRegexp_Type *reg) -{ - register unsigned char *buf, *ebuf, *pat; - unsigned char *last = NULL, *tmppat; - register unsigned char c; - int i, reverse = 0, n, cs; - int oparen = 0, nparen = 0; - /* substring stuff */ - int count, last_count, this_max_mm = 0, max_mm = 0, ordinary_search, - no_osearch = 0, min_length = 0; - unsigned char *mm_p = NULL, *this_mm_p = NULL; - static int already_initialized; - - reg->beg_matches[0] = reg->end_matches[0] = 0; - buf = reg->buf; - ebuf = (reg->buf + reg->buf_len) - 2; /* make some room */ - pat = reg->pat; - cs = reg->case_sensitive; - - if (already_initialized == 0) - { - SLang_init_case_tables (); -#ifdef IBMPC_SYSTEM - SLmake_lut (Word_Chars, (unsigned char *) "_0-9a-zA-Z\200-\232\240-\245\341-\353", 0); -#else - SLmake_lut (Word_Chars, (unsigned char *) "_0-9a-zA-Z\277-\326\330-\336\340-\366\370-\376", 0); -#endif - already_initialized = 1; - } - - i = 1; while (i < 10) - { - reg->beg_matches[i] = -1; - reg->end_matches[i] = 0; - i++; - } - - if (*pat == '\\') - { - if (pat[1] == 'c') - { - cs = 1; - pat += 2; - no_osearch = 1; - } - else if (pat[1] == 'C') - { - cs = 0; - pat += 2; - no_osearch = 1; - } - } - - if (*pat == '^') - { - pat++; - *buf++ = BOL; - reg->must_match_bol = 1; - } - else reg->must_match_bol = 0; - - if (cs != reg->case_sensitive) - { - if (cs) *buf++ = YES_CASE; - else *buf++ = NO_CASE; - } - - *buf = 0; - - last_count = count = 0; - while ((c = *pat++) != 0) - { - if (buf >= ebuf - 3) - { - SLang_doerror ("Pattern too large to be compiled."); - ERROR; - } - - count++; - switch (c) - { - case '$': - if (*pat != 0) goto literal_char; - *buf++ = EOL; - break; - - case '\\': - c = *pat++; - no_osearch = 1; - switch(c) - { - case 'e': c = 033; goto literal_char; - case 'n': c = '\n'; goto literal_char; - case 't': c = '\t'; goto literal_char; - case 'C': cs = 0; *buf++ = NO_CASE; break; - case 'c': cs = 1; *buf++ = YES_CASE; break; - case '1': case '2': case '3': case '4': case '5': - case '6': case '7': case '8': case '9': - c = c - '0'; - if ((int) c > nparen) ERROR; - last = buf; - *buf++ = NTH_MATCH; *buf++ = c; - break; -#ifdef NOT_LITERAL - case '~': /* slang extension */ - if ((c = *pat) == 0) ERROR; - pat++; - last = buf; - *buf++ = NOT_LITERAL; - *buf++ = c; - min_length++; - break; -#endif - case 'd': /* slang extension */ - last = buf; - *buf++ = ANY_DIGIT; - min_length++; - break; - - case '<': - last = NULL; - *buf++ = BOW; - break; - - case '>': - last = NULL; - *buf++ = EOW; - break; - - case '{': - if (last == NULL) goto literal_char; - *last |= MANY; - tmppat = convert_digit(pat, &n); - if (tmppat == NULL) ERROR; - pat = tmppat; - *buf++ = n; - - min_length += (n - 1); - - if (*pat == '\\') - { - *buf++ = n; - } - else if (*pat == ',') - { - pat++; - if (*pat == '\\') - { - n = 255; - } - else - { - tmppat = convert_digit(pat, &n); - if (tmppat == NULL) ERROR; - pat = tmppat; - if (*pat != '\\') ERROR; - } - *buf++ = n; - } - else ERROR; - last = NULL; - pat++; - if (*pat != '}') ERROR; - pat++; - break; /* case '{' */ - - case '(': - oparen++; - if (oparen > 9) ERROR; - *buf++ = OPAREN; - break; - case ')': - if (oparen == 0) ERROR; - oparen--; - nparen++; - *buf++ = CPAREN; - break; - - case 0: ERROR; - default: - goto literal_char; - } - break; - - case '[': - - *buf = RANGE; - last = buf++; - - if (buf + 32 >= ebuf) ERROR; - - for (i = 0; i < 32; i++) buf[i] = 0; - c = *pat++; - if (c == '^') - { - reverse = 1; - SET_BIT(buf, '\n'); - c = *pat++; - } - - if (c == ']') - { - SET_BIT(buf, c); - c = *pat++; - } - while (c && (c != ']')) - { - if (c == '\\') - { - c = *pat++; - switch(c) - { - case 'n': c = '\n'; break; - case 't': c = '\t'; break; - case 0: ERROR; - } - } - - if (*pat == '-') - { - pat++; - while (c < *pat) - { - if (cs == 0) - { - SET_BIT(buf, UPPERCASE(c)); - SET_BIT(buf, LOWERCASE(c)); - } - else SET_BIT(buf, c); - c++; - } - } - if (cs == 0) - { - SET_BIT(buf, UPPERCASE(c)); - SET_BIT(buf, LOWERCASE(c)); - } - else SET_BIT(buf, c); - c = *pat++; - } - if (c != ']') ERROR; - if (reverse) for (i = 0; i < 32; i++) buf[i] = buf[i] ^ 0xFF; - reverse = 0; - buf += 32; - min_length++; - break; - - case '.': - last = buf; - *buf++ = ANY; - min_length++; - break; - - case '*': - if (last == NULL) goto literal_char; - *last |= STAR; - min_length--; - last = NULL; - break; - - case '+': - if (last == NULL) goto literal_char; - *last |= LEAST_ONCE; - last = NULL; - break; - - case '?': - if (last == NULL) goto literal_char; - *last |= MAYBE_ONCE; - last = NULL; - min_length--; - break; - - literal_char: - default: - /* This is to keep track of longest substring */ - min_length++; - this_max_mm++; - if (last_count + 1 == count) - { - if (this_max_mm == 1) - { - this_mm_p = buf; - } - else if (max_mm < this_max_mm) - { - mm_p = this_mm_p; - max_mm = this_max_mm; - } - } - else - { - this_mm_p = buf; - this_max_mm = 1; - } - - last_count = count; - - last = buf; - *buf++ = LITERAL; - *buf++ = UPPERCASE(c); - } - } - *buf = 0; - /* Check for ordinary search */ - ebuf = buf; - buf = reg->buf; - - if (no_osearch) ordinary_search = 0; - else - { - ordinary_search = 1; - while (buf < ebuf) - { - if (*buf != LITERAL) - { - ordinary_search = 0; - break; - } - buf += 2; - } - } - - reg->osearch = ordinary_search; - reg->must_match_str[15] = 0; - reg->min_length = (min_length > 0) ? (unsigned int) min_length : 0; - if (ordinary_search) - { - strncpy((char *) reg->must_match_str, (char *) reg->pat, 15); - reg->must_match = 1; - return(0); - } - /* check for longest substring of pattern */ - reg->must_match = 0; - if ((mm_p == NULL) && (this_mm_p != NULL)) mm_p = this_mm_p; - if (mm_p == NULL) - { - return (0); - } - n = 15; - pat = reg->must_match_str; - buf = mm_p; - while (n--) - { - if (*buf++ != LITERAL) break; - *pat++ = *buf++; - } - *pat = 0; - if (pat != reg->must_match_str) reg->must_match = 1; - return(0); -} - -char *SLregexp_quote_string (char *re, char *buf, unsigned int buflen) -{ - char ch; - char *b, *bmax; - - if (re == NULL) return NULL; - - b = buf; - bmax = buf + buflen; - - while (b < bmax) - { - switch (ch = *re++) - { - case 0: - *b = 0; - return buf; - - case '$': - case '\\': - case '[': - case ']': - case '.': - case '^': - case '*': - case '+': - case '?': - *b++ = '\\'; - if (b == bmax) break; - /* drop */ - - default: - *b++ = ch; - } - } - return NULL; -} - -#if 0 -#define MAX_EXP 4096 -int main(int argc, char **argv) -{ - FILE *fp; - char *regexp, *file; - char expbuf[MAX_EXP], buf[512]; - SLRegexp_Type reg; - - file = argv[2]; - regexp = argv[1]; - - if (NULL == (fp = fopen(file, "r"))) - { - fprintf(stderr, "File not open\n"); - return(1); - } - - reg.buf = expbuf; - reg.buf_len = MAX_EXP; - reg.pat = regexp; - reg.case_sensitive = 1; - - if (!regexp_compile(®)) while (NULL != fgets(buf, 511, fp)) - { - if (reg.osearch) - { - if (NULL == strstr(buf, reg.pat)) continue; - } - else - { - if (reg.must_match && (NULL == strstr(buf, reg.must_match_str))) continue; - if (0 == regexp_match(buf, buf + strlen(buf), ®)) continue; - } - - fputs(buf, stdout); - } - return (0); -} -#endif diff --git a/mdk-stage1/slang/slrline.c b/mdk-stage1/slang/slrline.c deleted file mode 100644 index 1874be0bb..000000000 --- a/mdk-stage1/slang/slrline.c +++ /dev/null @@ -1,836 +0,0 @@ -/* SLang_read_line interface --- uses SLang tty stuff */ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -#ifdef REAL_UNIX_SYSTEM -int SLang_RL_EOF_Char = 4; -#else -int SLang_RL_EOF_Char = 26; -#endif - -int SLang_Rline_Quit; -static SLang_RLine_Info_Type *This_RLI; - -static unsigned char Char_Widths[256]; -static void position_cursor (int); - -static void rl_beep (void) -{ - putc(7, stdout); - fflush (stdout); -} - -/* editing functions */ -static int rl_bol (void) -{ - if (This_RLI->point == 0) return 0; - This_RLI->point = 0; - return 1; -} - -static int rl_eol (void) -{ - if (This_RLI->point == This_RLI->len) return 0; - This_RLI->point = This_RLI->len; - return 1; -} - -static int rl_right (void) -{ - if (This_RLI->point == This_RLI->len) return 0; - This_RLI->point++; - return 1; -} - -static int rl_left (void) -{ - if (This_RLI->point == 0) return 0; - This_RLI->point--; - return 1; -} - -static int rl_self_insert (void) -{ - unsigned char *pmin, *p; - - if (This_RLI->len == This_RLI->buf_len) - { - rl_beep (); - return 0; - } - - pmin = This_RLI->buf + This_RLI->point; - p = This_RLI->buf + This_RLI->len; - while (p > pmin) - { - *p = *(p - 1); - p--; - } - *pmin = SLang_Last_Key_Char; - - This_RLI->len++; - This_RLI->point++; - if ((This_RLI->curs_pos + 2 >= This_RLI->edit_width) - || (This_RLI->tt_insert == NULL) - || (Char_Widths[SLang_Last_Key_Char] != 1)) return 1; - - (*This_RLI->tt_insert)((char) SLang_Last_Key_Char); - /* update screen buf */ - p = This_RLI->old_upd + (This_RLI->len - 1); - pmin = This_RLI->old_upd + (This_RLI->point - 1); - while (p > pmin) - { - *p = *(p - 1); - p--; - } - *pmin = SLang_Last_Key_Char; - return 0; -} - -int SLang_rline_insert (char *s) -{ - unsigned char *pmin, *p; - int n; - - n = strlen (s); - if (n > This_RLI->buf_len - This_RLI->len) - n = This_RLI->buf_len - This_RLI->len; - - if (n == 0) return 0; - - pmin = This_RLI->buf + This_RLI->point; - p = This_RLI->buf + (This_RLI->len - 1); - - while (p >= pmin) - { - *(p + n) = *p; - p--; - } - SLMEMCPY ((char *) pmin, s, n); - - This_RLI->len += n; - This_RLI->point += n; - return n; -} - -static int rl_deln (int n) -{ - unsigned char *pmax, *p; - - p = This_RLI->buf + This_RLI->point; - pmax = This_RLI->buf + This_RLI->len; - - if (p + n > pmax) n = (int) (pmax - p); - while (p < pmax) - { - *p = *(p + n); - p++; - } - This_RLI->len -= n; - return n; -} - -static int rl_del (void) -{ - return rl_deln(1); -} - -static int rl_quote_insert (void) -{ - int err = SLang_Error; - SLang_Error = 0; - SLang_Last_Key_Char = (*This_RLI->getkey)(); - rl_self_insert (); - if (SLang_Error == SL_USER_BREAK) SLang_Error = 0; - else SLang_Error = err; - return 1; -} - -static int rl_trim (void) -{ - unsigned char *p, *pmax, *p1; - p = This_RLI->buf + This_RLI->point; - pmax = This_RLI->buf + This_RLI->len; - - if (p == pmax) - { - if (p == This_RLI->buf) return 0; - p--; - } - - if ((*p != ' ') && (*p != '\t')) return 0; - p1 = p; - while ((p1 < pmax) && ((*p1 == ' ') || (*p1 == '\t'))) p1++; - pmax = p1; - p1 = This_RLI->buf; - - while ((p >= p1) && ((*p == ' ') || (*p == '\t'))) p--; - if (p == pmax) return 0; - p++; - - This_RLI->point = (int) (p - p1); - return rl_deln ((int) (pmax - p)); -} - -static int rl_bdel (void) -{ - if (rl_left()) return rl_del(); - return 0; -} - -static int rl_deleol (void) -{ - if (This_RLI->point == This_RLI->len) return 0; - *(This_RLI->buf + This_RLI->point) = 0; - This_RLI->len = This_RLI->point; - return 1; -} - -static int rl_delete_line (void) -{ - This_RLI->point = 0; - *(This_RLI->buf + This_RLI->point) = 0; - This_RLI->len = 0; - return 1; -} - -static int rl_enter (void) -{ - *(This_RLI->buf + This_RLI->len) = 0; - SLang_Rline_Quit = 1; - return 1; -} - -static SLKeyMap_List_Type *RL_Keymap; - -/* This update is designed for dumb terminals. It assumes only that the - * terminal can backspace via ^H, and move cursor to start of line via ^M. - * There is a hook so the user can provide a more sophisticated update if - * necessary. - */ - -static void position_cursor (int col) -{ - unsigned char *p, *pmax; - int dc; - - if (col == This_RLI->curs_pos) - { - fflush (stdout); - return; - } - - if (This_RLI->tt_goto_column != NULL) - { - (*This_RLI->tt_goto_column)(col); - This_RLI->curs_pos = col; - fflush (stdout); - return; - } - - dc = This_RLI->curs_pos - col; - if (dc < 0) - { - p = This_RLI->new_upd + This_RLI->curs_pos; - pmax = This_RLI->new_upd + col; - while (p < pmax) putc((char) *p++, stdout); - } - else - { - if (dc < col) - { - while (dc--) putc(8, stdout); - } - else - { - putc('\r', stdout); - p = This_RLI->new_upd; - pmax = This_RLI->new_upd + col; - while (p < pmax) putc((char) *p++, stdout); - } - } - This_RLI->curs_pos = col; - fflush (stdout); -} - -static void erase_eol (SLang_RLine_Info_Type *rli) -{ - unsigned char *p, *pmax; - - p = rli->old_upd + rli->curs_pos; - pmax = rli->old_upd + rli->old_upd_len; - - while (p++ < pmax) putc(' ', stdout); - - rli->curs_pos = rli->old_upd_len; -} - -static unsigned char *spit_out(SLang_RLine_Info_Type *rli, unsigned char *p) -{ - unsigned char *pmax; - position_cursor ((int) (p - rli->new_upd)); - pmax = rli->new_upd + rli->new_upd_len; - while (p < pmax) putc((char) *p++, stdout); - rli->curs_pos = rli->new_upd_len; - return pmax; -} - -static void really_update (SLang_RLine_Info_Type *rli, int new_curs_position) -{ - unsigned char *b = rli->old_upd, *p = rli->new_upd, chb, chp; - unsigned char *pmax; - - if (rli->update_hook != NULL) - { - (*rli->update_hook)(p, rli->edit_width, new_curs_position); - } - else - { - pmax = p + rli->edit_width; - while (p < pmax) - { - chb = *b++; chp = *p++; - if (chb == chp) continue; - - if (rli->old_upd_len <= rli->new_upd_len) - { - /* easy one */ - (void) spit_out (rli, p - 1); - break; - } - spit_out(rli, p - 1); - erase_eol (rli); - break; - } - position_cursor (new_curs_position); - } - - /* update finished, so swap */ - - rli->old_upd_len = rli->new_upd_len; - p = rli->old_upd; - rli->old_upd = rli->new_upd; - rli->new_upd = p; -} - -static void RLupdate (SLang_RLine_Info_Type *rli) -{ - int len, dlen, start_len = 0, prompt_len = 0, tw = 0, count; - int want_cursor_pos; - unsigned char *b, chb, *b_point, *p; - int no_echo; - - no_echo = rli->flags & SL_RLINE_NO_ECHO; - - b_point = (unsigned char *) (rli->buf + rli->point); - *(rli->buf + rli->len) = 0; - - /* expand characters for output buffer --- handle prompt first. - * Do two passes --- first to find out where to begin upon horiz - * scroll and the second to actually fill the buffer. */ - len = 0; - count = 2; /* once for prompt and once for buf */ - - b = (unsigned char *) rli->prompt; - while (count--) - { - if ((count == 0) && no_echo) - break; - - /* The prompt could be NULL */ - if (b != NULL) while ((chb = *b) != 0) - { - /* This will ensure that the screen is scrolled a third of the edit - * width each time */ - if (b_point == b) break; - dlen = Char_Widths[chb]; - if ((chb == '\t') && tw) - { - dlen = tw * ((len - prompt_len) / tw + 1) - (len - prompt_len); - } - len += dlen; - b++; - } - tw = rli->tab; - b = (unsigned char *) rli->buf; - if (count == 1) want_cursor_pos = prompt_len = len; - } - - if (len < rli->edit_width - rli->dhscroll) start_len = 0; - else if ((rli->start_column > len) - || (rli->start_column + rli->edit_width <= len)) - { - start_len = len - (rli->edit_width - rli->dhscroll); - if (start_len < 0) start_len = 0; - } - else start_len = rli->start_column; - rli->start_column = start_len; - - want_cursor_pos = len - start_len; - - /* second pass */ - p = rli->new_upd; - - len = 0; - count = 2; - b = (unsigned char *) rli->prompt; - if (b == NULL) b = (unsigned char *) ""; - - while ((len < start_len) && (*b)) - { - len += Char_Widths[*b++]; - } - - tw = 0; - if (*b == 0) - { - b = (unsigned char *) rli->buf; - while (len < start_len) - { - len += Char_Widths[*b++]; - } - tw = rli->tab; - count--; - } - - len = 0; - while (count--) - { - if ((count == 0) && (no_echo)) - break; - - while ((len < rli->edit_width) && ((chb = *b++) != 0)) - { - dlen = Char_Widths[chb]; - if (dlen == 1) *p++ = chb; - else - { - if ((chb == '\t') && tw) - { - dlen = tw * ((len + start_len - prompt_len) / tw + 1) - (len + start_len - prompt_len); - len += dlen; /* ok since dlen comes out 0 */ - if (len > rli->edit_width) dlen = len - rli->edit_width; - while (dlen--) *p++ = ' '; - dlen = 0; - } - else - { - if (dlen == 3) - { - chb &= 0x7F; - *p++ = '~'; - } - - *p++ = '^'; - if (chb == 127) *p++ = '?'; - else *p++ = chb + '@'; - } - } - len += dlen; - } - /* if (start_len > prompt_len) break; */ - tw = rli->tab; - b = (unsigned char *) rli->buf; - } - - rli->new_upd_len = (int) (p - rli->new_upd); - while (p < rli->new_upd + rli->edit_width) *p++ = ' '; - really_update (rli, want_cursor_pos); -} - -void SLrline_redraw (SLang_RLine_Info_Type *rli) -{ - unsigned char *p = rli->new_upd; - unsigned char *pmax = p + rli->edit_width; - while (p < pmax) *p++ = ' '; - rli->new_upd_len = rli->edit_width; - really_update (rli, 0); - RLupdate (rli); -} - -static int rl_eof_insert (void) -{ - if (This_RLI->len == 0) - { - SLang_Last_Key_Char = SLang_RL_EOF_Char; - /* rl_self_insert (); */ - return rl_enter (); - } - return 0; -} - -/* This is very naive. It knows very little about nesting and nothing - * about quoting. - */ -static void blink_match (SLang_RLine_Info_Type *rli) -{ - unsigned char bra, ket; - unsigned int delta_column; - unsigned char *p, *pmin; - int dq_level, sq_level; - int level; - - pmin = rli->buf; - p = pmin + rli->point; - if (pmin == p) - return; - - ket = SLang_Last_Key_Char; - switch (ket) - { - case ')': - bra = '('; - break; - case ']': - bra = '['; - break; - case '}': - bra = '{'; - break; - default: - return; - } - - level = 0; - sq_level = dq_level = 0; - - delta_column = 0; - while (p > pmin) - { - char ch; - - p--; - delta_column++; - ch = *p; - - if (ch == ket) - { - if ((dq_level == 0) && (sq_level == 0)) - level++; - } - else if (ch == bra) - { - if ((dq_level != 0) || (sq_level != 0)) - continue; - - level--; - if (level == 0) - { - rli->point -= delta_column; - RLupdate (rli); - (*rli->input_pending)(10); - rli->point += delta_column; - RLupdate (rli); - break; - } - if (level < 0) - break; - } - else if (ch == '"') dq_level = !dq_level; - else if (ch == '\'') sq_level = !sq_level; - } -} - -int SLang_read_line (SLang_RLine_Info_Type *rli) -{ - unsigned char *p, *pmax; - SLang_Key_Type *key; - - SLang_Rline_Quit = 0; - This_RLI = rli; - p = rli->old_upd; pmax = p + rli->edit_width; - while (p < pmax) *p++ = ' '; - - /* Sanity checking */ - rli->len = strlen ((char *) rli->buf); - if (rli->len >= rli->buf_len) - { - rli->len = 0; - *rli->buf = 0; - } - if (rli->point > rli->len) rli->point = rli->len; - if (rli->point < 0) rli->point = 0; - - rli->curs_pos = rli->start_column = 0; - rli->new_upd_len = rli->old_upd_len = 0; - - This_RLI->last_fun = NULL; - if (rli->update_hook == NULL) - putc ('\r', stdout); - - RLupdate (rli); - - while (1) - { - key = SLang_do_key (RL_Keymap, (int (*)(void)) rli->getkey); - - if ((key == NULL) || (key->f.f == NULL)) - rl_beep (); - else - { - if ((SLang_Last_Key_Char == SLang_RL_EOF_Char) - && (*key->str == 2) - && (This_RLI->len == 0)) - rl_eof_insert (); - else if (key->type == SLKEY_F_INTRINSIC) - { - if ((key->f.f)()) - RLupdate (rli); - - if ((rli->flags & SL_RLINE_BLINK_MATCH) - && (rli->input_pending != NULL)) - blink_match (rli); - } - - if (SLang_Rline_Quit) - { - This_RLI->buf[This_RLI->len] = 0; - if (SLang_Error == SL_USER_BREAK) - { - SLang_Error = 0; - return -1; - } - return This_RLI->len; - } - } - if (key != NULL) - This_RLI->last_fun = key->f.f; - } -} - -static int rl_abort (void) -{ - rl_delete_line (); - return rl_enter (); -} - -/* TTY interface --- ANSI */ - -static void ansi_goto_column (int n) -{ - putc('\r', stdout); - if (n) fprintf(stdout, "\033[%dC", n); -} - -static void rl_select_line (SLang_Read_Line_Type *p) -{ - This_RLI->last = p; - strcpy ((char *) This_RLI->buf, (char *) p->buf); - This_RLI->point = This_RLI->len = strlen((char *) p->buf); -} -static int rl_next_line (void); -static int rl_prev_line (void) -{ - SLang_Read_Line_Type *prev; - - if (((This_RLI->last_fun != (FVOID_STAR) rl_prev_line) - && (This_RLI->last_fun != (FVOID_STAR) rl_next_line)) - || (This_RLI->last == NULL)) - { - prev = This_RLI->tail; - } - else prev = This_RLI->last->prev; - - if (prev == NULL) - { - rl_beep (); - return 0; - } - - rl_select_line (prev); - return 1; -} -static int rl_redraw (void) -{ - SLrline_redraw (This_RLI); - return 1; -} - -static int rl_next_line (void) -{ - SLang_Read_Line_Type *next; - - if (((This_RLI->last_fun != (FVOID_STAR) rl_prev_line) - && (This_RLI->last_fun != (FVOID_STAR) rl_next_line)) - || (This_RLI->last == NULL)) - { - rl_beep (); - return 0; - } - - next = This_RLI->last->next; - - if (next == NULL) - { - This_RLI->len = This_RLI->point = 0; - *This_RLI->buf = 0; - This_RLI->last = NULL; - } - else rl_select_line (next); - return 1; -} - -static SLKeymap_Function_Type SLReadLine_Functions[] = -{ - {"up", rl_prev_line}, - {"down", rl_next_line}, - {"bol", rl_bol}, - {"eol", rl_eol}, - {"right", rl_right}, - {"left", rl_left}, - {"self_insert", rl_self_insert}, - {"bdel", rl_bdel}, - {"del", rl_del}, - {"deleol", rl_deleol}, - {"enter", rl_enter}, - {"trim", rl_trim}, - {"quoted_insert", rl_quote_insert}, - {(char *) NULL, NULL} -}; - -int SLang_init_readline (SLang_RLine_Info_Type *rli) -{ - int ch; - char simple[2]; - - if (RL_Keymap == NULL) - { - simple[1] = 0; - if (NULL == (RL_Keymap = SLang_create_keymap ("ReadLine", NULL))) - return -1; - - RL_Keymap->functions = SLReadLine_Functions; - - /* This breaks under some DEC ALPHA compilers (scary!) */ -#ifndef __DECC - for (ch = ' '; ch < 256; ch++) - { - simple[0] = (char) ch; - SLkm_define_key (simple, (FVOID_STAR) rl_self_insert, RL_Keymap); - } -#else - ch = ' '; - while (1) - { - simple[0] = (char) ch; - SLkm_define_key (simple, (FVOID_STAR) rl_self_insert, RL_Keymap); - ch = ch + 1; - if (ch == 256) break; - } -#endif /* NOT __DECC */ - - simple[0] = SLang_Abort_Char; - SLkm_define_key (simple, (FVOID_STAR) rl_abort, RL_Keymap); - simple[0] = SLang_RL_EOF_Char; - SLkm_define_key (simple, (FVOID_STAR) rl_eof_insert, RL_Keymap); - -#ifndef IBMPC_SYSTEM - SLkm_define_key ("^[[A", (FVOID_STAR) rl_prev_line, RL_Keymap); - SLkm_define_key ("^[[B", (FVOID_STAR) rl_next_line, RL_Keymap); - SLkm_define_key ("^[[C", (FVOID_STAR) rl_right, RL_Keymap); - SLkm_define_key ("^[[D", (FVOID_STAR) rl_left, RL_Keymap); - SLkm_define_key ("^[OA", (FVOID_STAR) rl_prev_line, RL_Keymap); - SLkm_define_key ("^[OB", (FVOID_STAR) rl_next_line, RL_Keymap); - SLkm_define_key ("^[OC", (FVOID_STAR) rl_right, RL_Keymap); - SLkm_define_key ("^[OD", (FVOID_STAR) rl_left, RL_Keymap); -#else - SLkm_define_key ("^@H", (FVOID_STAR) rl_prev_line, RL_Keymap); - SLkm_define_key ("^@P", (FVOID_STAR) rl_next_line, RL_Keymap); - SLkm_define_key ("^@M", (FVOID_STAR) rl_right, RL_Keymap); - SLkm_define_key ("^@K", (FVOID_STAR) rl_left, RL_Keymap); - SLkm_define_key ("^@S", (FVOID_STAR) rl_del, RL_Keymap); - SLkm_define_key ("^@O", (FVOID_STAR) rl_eol, RL_Keymap); - SLkm_define_key ("^@G", (FVOID_STAR) rl_bol, RL_Keymap); - - SLkm_define_key ("\xE0H", (FVOID_STAR) rl_prev_line, RL_Keymap); - SLkm_define_key ("\xE0P", (FVOID_STAR) rl_next_line, RL_Keymap); - SLkm_define_key ("\xE0M", (FVOID_STAR) rl_right, RL_Keymap); - SLkm_define_key ("\xE0K", (FVOID_STAR) rl_left, RL_Keymap); - SLkm_define_key ("\xE0S", (FVOID_STAR) rl_del, RL_Keymap); - SLkm_define_key ("\xE0O", (FVOID_STAR) rl_eol, RL_Keymap); - SLkm_define_key ("\xE0G", (FVOID_STAR) rl_bol, RL_Keymap); -#endif - SLkm_define_key ("^C", (FVOID_STAR) rl_abort, RL_Keymap); - SLkm_define_key ("^E", (FVOID_STAR) rl_eol, RL_Keymap); - SLkm_define_key ("^G", (FVOID_STAR) rl_abort, RL_Keymap); - SLkm_define_key ("^I", (FVOID_STAR) rl_self_insert, RL_Keymap); - SLkm_define_key ("^A", (FVOID_STAR) rl_bol, RL_Keymap); - SLkm_define_key ("\r", (FVOID_STAR) rl_enter, RL_Keymap); - SLkm_define_key ("\n", (FVOID_STAR) rl_enter, RL_Keymap); - SLkm_define_key ("^K", (FVOID_STAR) rl_deleol, RL_Keymap); - SLkm_define_key ("^L", (FVOID_STAR) rl_deleol, RL_Keymap); - SLkm_define_key ("^V", (FVOID_STAR) rl_del, RL_Keymap); - SLkm_define_key ("^D", (FVOID_STAR) rl_del, RL_Keymap); - SLkm_define_key ("^F", (FVOID_STAR) rl_right, RL_Keymap); - SLkm_define_key ("^B", (FVOID_STAR) rl_left, RL_Keymap); - SLkm_define_key ("^?", (FVOID_STAR) rl_bdel, RL_Keymap); - SLkm_define_key ("^H", (FVOID_STAR) rl_bdel, RL_Keymap); - SLkm_define_key ("^P", (FVOID_STAR) rl_prev_line, RL_Keymap); - SLkm_define_key ("^N", (FVOID_STAR) rl_next_line, RL_Keymap); - SLkm_define_key ("^R", (FVOID_STAR) rl_redraw, RL_Keymap); - SLkm_define_key ("`", (FVOID_STAR) rl_quote_insert, RL_Keymap); - SLkm_define_key ("\033\\", (FVOID_STAR) rl_trim, RL_Keymap); - if (SLang_Error) return -1; - } - - if (rli->prompt == NULL) rli->prompt = ""; - if (rli->keymap == NULL) rli->keymap = RL_Keymap; - rli->old_upd = rli->upd_buf1; - rli->new_upd = rli->upd_buf2; - *rli->buf = 0; - rli->point = 0; - - if (rli->flags & SL_RLINE_USE_ANSI) - { - if (rli->tt_goto_column == NULL) rli->tt_goto_column = ansi_goto_column; - } - - if (Char_Widths[0] == 2) return 0; - - for (ch = 0; ch < 32; ch++) Char_Widths[ch] = 2; - for (ch = 32; ch < 256; ch++) Char_Widths[ch] = 1; - Char_Widths[127] = 2; -#ifndef IBMPC_SYSTEM - for (ch = 128; ch < 160; ch++) Char_Widths[ch] = 3; -#endif - - return 0; -} - -SLang_Read_Line_Type *SLang_rline_save_line (SLang_RLine_Info_Type *rli) -{ - SLang_Read_Line_Type *rl = NULL; - unsigned char *buf; - - if ((rli == NULL) || (rli->buf == NULL)) - return NULL; - - if (NULL == (rl = (SLang_Read_Line_Type *) SLmalloc (sizeof (SLang_Read_Line_Type))) - || (NULL == (buf = (unsigned char *) SLmake_string ((char *)rli->buf)))) - { - SLfree ((char *)rl); - return NULL; - } - rl->buf = buf; - rl->buf_len = strlen ((char *)buf); - rl->num = rl->misc = 0; - rl->next = rl->prev = NULL; - - if (rli->tail != NULL) - { - rli->tail->next = rl; - rl->prev = rli->tail; - } - rli->tail = rl; - - return rl; -} diff --git a/mdk-stage1/slang/slscanf.c b/mdk-stage1/slang/slscanf.c deleted file mode 100644 index 5bd93ff41..000000000 --- a/mdk-stage1/slang/slscanf.c +++ /dev/null @@ -1,718 +0,0 @@ -/* sscanf function for S-Lang */ -/* Copyright (c) 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" -#include <ctype.h> -#include <math.h> -#include <errno.h> - -#include "slang.h" -#include "_slang.h" - -static char *skip_whitespace (char *s) -{ - while (isspace (*s)) - s++; - - return s; -} - -static void init_map (unsigned char map[256], int base) -{ - memset ((char *) map, 0xFF, 256); - - map['0'] = 0; map['1'] = 1; map['2'] = 2; map['3'] = 3; - map['4'] = 4; map['5'] = 5; map['6'] = 6; map['7'] = 7; - if (base == 8) - return; - - map['8'] = 8; map['9'] = 9; - if (base == 10) - return; - - map['A'] = 10; map['B'] = 11; map['C'] = 12; map['D'] = 13; - map['E'] = 14; map['F'] = 15; map['a'] = 10; map['b'] = 11; - map['c'] = 12; map['d'] = 13; map['e'] = 14; map['f'] = 15; -} - -static char *get_sign (char *s, char *smax, int *sign) -{ - *sign = 1; - if (s + 1 < smax) - { - if (*s == '+') s++; - else if (*s == '-') - { - s++; - *sign = -1; - } - } - return s; -} - - -static int parse_long (char **sp, char *smax, long *np, - long base, unsigned char map[256]) -{ - char *s, *s0; - long n; - int sign; - - s = s0 = get_sign (*sp, smax, &sign); - - n = 0; - while (s < smax) - { - unsigned char value; - - value = map [(unsigned char) *s]; - if (value == 0xFF) - break; - - n = base * n + value; - s++; - } - - *sp = s; - if (s == s0) - return 0; - - *np = n * sign; - - return 1; -} - - -static int parse_int (char **sp, char *smax, int *np, - long base, unsigned char map[256]) -{ - long n; - int status; - - if (1 == (status = parse_long (sp, smax, &n, base, map))) - *np = (int) n; - return status; -} - -static int parse_short (char **sp, char *smax, short *np, - long base, unsigned char map[256]) -{ - long n; - int status; - - if (1 == (status = parse_long (sp, smax, &n, base, map))) - *np = (short) n; - return status; -} - -static int parse_ulong (char **sp, char *smax, unsigned long *np, - long base, unsigned char map[256]) -{ - return parse_long (sp, smax, (long *) np, base, map); -} - -static int parse_uint (char **sp, char *smax, unsigned int *np, - long base, unsigned char map[256]) -{ - return parse_int (sp, smax, (int *) np, base, map); -} - -static int parse_ushort (char **sp, char *smax, unsigned short *np, - long base, unsigned char map[256]) -{ - return parse_short (sp, smax, (short *) np, base, map); -} - -#if SLANG_HAS_FLOAT -/* - * In an ideal world, strtod would be the correct function to use. However, - * there may be problems relying on this function because some systems do - * not support and some that do get it wrong. So, I will handle the parsing - * of the string and let atof or strtod handle the arithmetic. - */ -static int parse_double (char **sp, char *smax, double *d) -{ - char *s, *s0; - int sign; - int expon; - unsigned char map[256]; - char buf[128]; - int has_leading_zeros; - char *start_pos, *sign_pos; - char *b, *bmax; - - start_pos = *sp; - s = get_sign (start_pos, smax, &sign); - if (s >= smax) - { - errno = _SLerrno_errno = EINVAL; - return 0; - } - - /* Prepare the buffer that will be passed to strtod */ - /* Allow the exponent to be 5 significant digits: E+xxxxx\0 */ - bmax = buf + (sizeof (buf) - 8); - buf[0] = '0'; buf[1] = '.'; - b = buf + 2; - - init_map (map, 10); - - /* Skip leading 0s */ - s0 = s; - while ((s < smax) && (*s == '0')) - s++; - has_leading_zeros = (s != s0); - - expon = 0; - while (s < smax) - { - unsigned char value = map [(unsigned char) *s]; - - if (value == 0xFF) - break; - - if (b < bmax) - *b++ = *s; - - expon++; - s++; - } - - if ((s < smax) && (*s == '.')) - { - s++; - if (b == buf + 2) /* nothing added yet */ - { - while ((s < smax) && (*s == '0')) - { - expon--; - s++; - } - } - - while (s < smax) - { - unsigned char value = map [(unsigned char) *s]; - - if (value == 0xFF) - break; - - if (b < bmax) - *b++ = *s; - s++; - } - } - - if ((b == buf + 2) - && (has_leading_zeros == 0)) - { - *sp = start_pos; - errno = EINVAL; - return 0; - } - - if ((s + 1 < smax) && ((*s == 'E') || (*s == 'e'))) - { - int e; - int esign; - - s0 = s; - s = get_sign (s + 1, smax, &esign); - sign_pos = s; - e = 0; - while (s < smax) - { - unsigned char value = map [(unsigned char) *s]; - if (value == 0xFF) - break; - if (e < 25000) /* avoid overflow if 16 bit */ - e = 10 * e + value; - s++; - } -#ifdef ERANGE - if (e >= 25000) - errno = ERANGE; -#endif - if (s == sign_pos) - s = s0; /* ...E-X */ - else - { - e = esign * e; - expon += e; - } - } - - if (expon != 0) - sprintf (b, "e%d", expon); - else - *b = 0; - - *sp = s; -#if HAVE_STRTOD - *d = sign * strtod (buf, NULL); -#else - *d = sign * atof (buf); -#endif - return 1; -} - -static int parse_float (char **sp, char *smax, float *d) -{ - double x; - if (1 == parse_double (sp, smax, &x)) - { - *d = (float) x; - return 1; - } - return 0; -} -#endif /* SLANG_HAS_FLOAT */ - -static int parse_string (char **sp, char *smax, char **str) -{ - char *s, *s0; - - s0 = s = *sp; - while (s < smax) - { - if (isspace (*s)) - break; - s++; - } - if (NULL == (*str = SLang_create_nslstring (s0, (unsigned int) (s - s0)))) - return -1; - - *sp = s; - return 1; -} - -static int parse_bstring (char **sp, char *smax, char **str) -{ - char *s; - - s = *sp; - if (NULL == (*str = SLang_create_nslstring (s, (unsigned int) (smax - s)))) - return -1; - - *sp = smax; - return 1; -} - -static int parse_range (char **sp, char *smax, char **fp, char **str) -{ - char *s, *s0; - char *range; - char *f; - unsigned char map[256]; - unsigned char reverse; - - /* How can one represent a range with just '^'? The naive answer is - * is [^]. However, this may be interpreted as meaning any character - * but ']' and others. Let's assume that the user will not use a range - * to match '^'. - */ - f = *fp; - /* f is a pointer to (one char after) [...]. */ - if (*f == '^') - { - f++; - reverse = 1; - } - else reverse = 0; - - s0 = f; - if (*f == ']') - f++; - - while (1) - { - char ch = *f; - - if (ch == 0) - { - SLang_verror (SL_INVALID_PARM, "Unexpected end of range in format"); - return -1; - } - if (ch == ']') - break; - f++; - } - if (NULL == (range = SLmake_nstring (s0, (unsigned int) (f - s0)))) - return -1; - *fp = f + 1; /* skip ] */ - - SLmake_lut (map, (unsigned char *) range, reverse); - SLfree (range); - - s0 = s = *sp; - while ((s < smax) && map [(unsigned char) *s]) - s++; - - if (NULL == (*str = SLang_create_nslstring (s0, (unsigned int) (s - s0)))) - return -1; - - *sp = s; - return 1; -} - - -int _SLang_sscanf (void) -{ - int num; - unsigned int num_refs; - char *format; - char *input_string, *input_string_max; - char *f, *s; - unsigned char map8[256], map10[256], map16[256]; - - if (SLang_Num_Function_Args < 2) - { - SLang_verror (SL_INVALID_PARM, "Int_Type sscanf (str, format, ...)"); - return -1; - } - - num_refs = (unsigned int) SLang_Num_Function_Args; - if (-1 == SLreverse_stack (num_refs)) - return -1; - num_refs -= 2; - - if (-1 == SLang_pop_slstring (&input_string)) - return -1; - - if (-1 == SLang_pop_slstring (&format)) - { - SLang_free_slstring (input_string); - return -1; - } - - f = format; - s = input_string; - input_string_max = input_string + strlen (input_string); - - init_map (map8, 8); - init_map (map10, 10); - init_map (map16, 16); - - num = 0; - - while (num_refs != 0) - { - SLang_Object_Type obj; - SLang_Ref_Type *ref; - char *smax; - unsigned char *map; - int base; - int no_assign; - int is_short; - int is_long; - int status; - char chf; - unsigned int width; - int has_width; - - chf = *f++; - - if (chf == 0) - { - /* Hmmm.... what is the most useful thing to do?? */ -#if 1 - break; -#else - SLang_verror (SL_INVALID_PARM, "sscanf: format not big enough for output list"); - goto return_error; -#endif - } - - if (isspace (chf)) - { - s = skip_whitespace (s); - continue; - } - - if ((chf != '%') - || ((chf = *f++) == '%')) - { - if (*s != chf) - break; - s++; - continue; - } - - no_assign = 0; - is_short = 0; - is_long = 0; - width = 0; - smax = input_string_max; - - /* Look for the flag character */ - if (chf == '*') - { - no_assign = 1; - chf = *f++; - } - - /* Width */ - has_width = isdigit (chf); - if (has_width) - { - f--; - (void) parse_uint (&f, f + strlen(f), &width, 10, map10); - chf = *f++; - } - - /* Now the type modifier */ - switch (chf) - { - case 'h': - is_short = 1; - chf = *f++; - break; - - case 'L': /* not implemented */ - case 'l': - is_long = 1; - chf = *f++; - break; - } - - status = -1; - - if ((chf != 'c') && (chf != '[')) - s = skip_whitespace (s); - - if (has_width) - { - if (width > (unsigned int) (input_string_max - s)) - width = (unsigned int) (input_string_max - s); - smax = s + width; - } - - /* Now the format descriptor */ - - map = map10; - base = 10; - - try_again: /* used by i, x, and o, conversions */ - switch (chf) - { - case 0: - SLang_verror (SL_INVALID_PARM, "sscanf: Unexpected end of format"); - goto return_error; - case 'D': - is_long = 1; - case 'd': - if (is_short) - { - obj.data_type = SLANG_SHORT_TYPE; - status = parse_short (&s, smax, &obj.v.short_val, base, map); - } - else if (is_long) - { - obj.data_type = SLANG_LONG_TYPE; - status = parse_long (&s, smax, &obj.v.long_val, base, map); - } - else - { - obj.data_type = SLANG_INT_TYPE; - status = parse_int (&s, smax, &obj.v.int_val, base, map); - } - break; - - - case 'U': - is_long = 1; - case 'u': - if (is_short) - { - obj.data_type = SLANG_USHORT_TYPE; - status = parse_ushort (&s, smax, &obj.v.ushort_val, base, map); - } - else if (is_long) - { - obj.data_type = SLANG_ULONG_TYPE; - status = parse_ulong (&s, smax, &obj.v.ulong_val, base, map); - } - else - { - obj.data_type = SLANG_INT_TYPE; - status = parse_uint (&s, smax, &obj.v.uint_val, base, map); - } - break; - - case 'I': - is_long = 1; - case 'i': - if ((s + 1 >= smax) - || (*s != 0)) - chf = 'd'; - else if (((s[1] == 'x') || (s[1] == 'X')) - && (s + 2 < smax)) - { - s += 2; - chf = 'x'; - } - else chf = 'o'; - goto try_again; - - case 'O': - is_long = 1; - case 'o': - map = map8; - base = 8; - chf = 'd'; - goto try_again; - - case 'X': - is_long = 1; - case 'x': - base = 16; - map = map16; - chf = 'd'; - goto try_again; - - case 'E': - case 'F': - is_long = 1; - case 'e': - case 'f': - case 'g': -#if SLANG_HAS_FLOAT - if (is_long) - { - obj.data_type = SLANG_DOUBLE_TYPE; - status = parse_double (&s, smax, &obj.v.double_val); - } - else - { - obj.data_type = SLANG_FLOAT_TYPE; - status = parse_float (&s, smax, &obj.v.float_val); - } -#else - SLang_verror (SL_NOT_IMPLEMENTED, - "This version of the S-Lang does not support floating point"); - status = -1; -#endif - break; - - case 's': - obj.data_type = SLANG_STRING_TYPE; - status = parse_string (&s, smax, &obj.v.s_val); - break; - - case 'c': - if (has_width == 0) - { - obj.data_type = SLANG_UCHAR_TYPE; - obj.v.uchar_val = *s++; - status = 1; - break; - } - obj.data_type = SLANG_STRING_TYPE; - status = parse_bstring (&s, smax, &obj.v.s_val); - break; - - case '[': - obj.data_type = SLANG_STRING_TYPE; - status = parse_range (&s, smax, &f, &obj.v.s_val); - break; - - case 'n': - obj.data_type = SLANG_UINT_TYPE; - obj.v.uint_val = (unsigned int) (s - input_string); - status = 1; - break; - - default: - status = -1; - SLang_verror (SL_NOT_IMPLEMENTED, "format specifier '%c' is not supported", chf); - break; - } - - if (status == 0) - break; - - if (status == -1) - goto return_error; - - if (no_assign) - { - SLang_free_object (&obj); - continue; - } - - if (-1 == SLang_pop_ref (&ref)) - { - SLang_free_object (&obj); - goto return_error; - } - - if (-1 == SLang_push (&obj)) - { - SLang_free_object (&obj); - SLang_free_ref (ref); - goto return_error; - } - - if (-1 == _SLang_deref_assign (ref)) - { - SLang_free_ref (ref); - goto return_error; - } - SLang_free_ref (ref); - - num++; - num_refs--; - } - - if (-1 == SLdo_pop_n (num_refs)) - goto return_error; - - SLang_free_slstring (format); - SLang_free_slstring (input_string); - return num; - - return_error: - /* NULLS ok */ - SLang_free_slstring (format); - SLang_free_slstring (input_string); - return -1; -} - - -# if SLANG_HAS_FLOAT - -#ifndef HAVE_STDLIB_H -/* Oh dear. Where is the prototype for atof? If not in stdlib, then - * I do not know where. Not in math.h on some systems either. - */ -extern double atof (); -#endif - -double _SLang_atof (char *s) -{ - double x; - - s = skip_whitespace (s); - errno = 0; - - if (1 != parse_double (&s, s + strlen (s), &x)) - { - if ((0 == strcmp ("NaN", s)) - || (0 == strcmp ("-Inf", s)) - || (0 == strcmp ("Inf", s))) - return atof (s); /* let this deal with it */ -#ifdef EINVAL - errno = _SLerrno_errno = EINVAL; -#endif - return 0.0; - } - if (errno) - _SLerrno_errno = errno; - return x; -} -#endif diff --git a/mdk-stage1/slang/slscroll.c b/mdk-stage1/slang/slscroll.c deleted file mode 100644 index 358296116..000000000 --- a/mdk-stage1/slang/slscroll.c +++ /dev/null @@ -1,450 +0,0 @@ -/* SLang Scrolling Window Routines */ -/* Copyright (c) 1996, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -static void find_window_bottom (SLscroll_Window_Type *win) -{ - unsigned int nrows; - unsigned int hidden_mask; - SLscroll_Type *bot, *cline, *last_bot; - unsigned int row; - - nrows = win->nrows; - hidden_mask = win->hidden_mask; - cline = win->current_line; - - win->window_row = row = 0; - last_bot = bot = win->top_window_line; - - while (row < nrows) - { - if (bot == cline) - win->window_row = row; - - last_bot = bot; - - if (bot == NULL) - break; - - bot = bot->next; - - if (hidden_mask) - { - while ((bot != NULL) && (bot->flags & hidden_mask)) - bot = bot->next; - } - - row++; - } - - win->bot_window_line = last_bot; -} - -static int find_top_to_recenter (SLscroll_Window_Type *win) -{ - unsigned int nrows; - unsigned int hidden_mask; - SLscroll_Type *prev, *last_prev, *cline; - - nrows = win->nrows; - cline = win->current_line; - hidden_mask = win->hidden_mask; - - nrows = nrows / 2; - - last_prev = prev = cline; - - while (nrows && (prev != NULL)) - { - nrows--; - last_prev = prev; - do - { - prev = prev->prev; - } - while (hidden_mask - && (prev != NULL) - && (prev->flags & hidden_mask)); - } - - if (prev == NULL) prev = last_prev; - - win->top_window_line = prev; - find_window_bottom (win); - - return 0; -} - -#define HAS_BORDER_CODE 1 -int SLscroll_find_top (SLscroll_Window_Type *win) -{ - unsigned int i; - SLscroll_Type *cline, *prev, *next; - SLscroll_Type *top_window_line; - unsigned int nrows; - unsigned int hidden_mask; - int scroll_mode; - unsigned int border; - - cline = win->current_line; - nrows = win->nrows; - scroll_mode = win->cannot_scroll; - border = win->border; - if (scroll_mode == 2) - border = 0; - - if ((cline == NULL) || (nrows <= 1)) - { - win->top_window_line = cline; - find_window_bottom (win); - return 0; - } - - hidden_mask = win->hidden_mask; - - /* Note: top_window_line might be a bogus pointer. This means that I cannot - * access it unless it really corresponds to a pointer in the buffer. - */ - top_window_line = win->top_window_line; - - if (top_window_line == NULL) - return find_top_to_recenter (win); - - /* Chances are that the current line is visible in the window. This means - * that the top window line should be above it. - */ - prev = cline; - - i = 0; - - while ((i < nrows) && (prev != NULL)) - { - if (prev == top_window_line) - { - SLscroll_Type *twl = top_window_line; - int dir = 0; - - if (i < border) dir = -1; else if (i + border >= nrows) dir = 1; - - if (dir) while (border) - { - if (dir < 0) twl = twl->prev; - else twl = twl->next; - - if (twl == NULL) - { - twl = top_window_line; - break; - } - if ((hidden_mask == 0) - || (0 == (twl->flags & hidden_mask))) - border--; - } - - win->top_window_line = twl; - find_window_bottom (win); - return 0; - } - - do - { - prev = prev->prev; - } - while (hidden_mask - && (prev != NULL) - && (prev->flags & hidden_mask)); - i++; - } - - /* Now check the borders of the window. Perhaps the current line lies - * outsider the border by a line. Only do this if terminal can scroll. - */ - - if (scroll_mode == 1) - return find_top_to_recenter (win); - else if (scroll_mode == -1) - scroll_mode = 0; - - next = cline->next; - while (hidden_mask - && (next != NULL) - && (next->flags & hidden_mask)) - next = next->next; - - if ((next != NULL) - && (next == top_window_line)) - { - /* The current line is one line above the window. This means user - * has moved up past the top of the window. If scroll_mode is set - * to scroll by pages, we need to do a page up. - */ - - win->top_window_line = cline; - find_window_bottom (win); - - if (scroll_mode) return SLscroll_pageup (win); - - return 0; - } - - prev = cline->prev; - - while (hidden_mask - && (prev != NULL) - && (prev->flags & hidden_mask)) - prev = prev->prev; - - if ((prev == NULL) - || (prev != win->bot_window_line)) - return find_top_to_recenter (win); - - /* It looks like cline is below window by one line. See what line should - * be at top to scroll it into view. Only do this unless we are scrolling - * by pages. - */ - if (scroll_mode) - { - win->top_window_line = cline; - find_window_bottom (win); - return 0; - } - - i = 2; - while ((i < nrows) && (prev != NULL)) - { - do - { - prev = prev->prev; - } - while (hidden_mask - && (prev != NULL) - && (prev->flags & hidden_mask)); - i++; - } - - if (prev != NULL) - { - win->top_window_line = prev; - find_window_bottom (win); - return 0; - } - - return find_top_to_recenter (win); -} - -int SLscroll_find_line_num (SLscroll_Window_Type *win) -{ - SLscroll_Type *cline, *l; - unsigned int n; - unsigned int hidden_mask; - - if (win == NULL) return -1; - - hidden_mask = win->hidden_mask; - cline = win->current_line; - - n = 1; - - l = win->lines; - while (l != cline) - { - if ((hidden_mask == 0) - || (0 == (l->flags & hidden_mask))) - n++; - - l = l->next; - } - - win->line_num = n; - n--; - - while (l != NULL) - { - if ((hidden_mask == 0) - || (0 == (l->flags & hidden_mask))) - n++; - l = l->next; - } - win->num_lines = n; - - return 0; -} - -unsigned int SLscroll_next_n (SLscroll_Window_Type *win, unsigned int n) -{ - unsigned int i; - unsigned int hidden_mask; - SLscroll_Type *l, *cline; - - if ((win == NULL) - || (NULL == (cline = win->current_line))) - return 0; - - hidden_mask = win->hidden_mask; - l = cline; - i = 0; - while (i < n) - { - l = l->next; - while (hidden_mask - && (l != NULL) && (l->flags & hidden_mask)) - l = l->next; - - if (l == NULL) - break; - - i++; - cline = l; - } - - win->current_line = cline; - win->line_num += i; - return i; -} - -unsigned int SLscroll_prev_n (SLscroll_Window_Type *win, unsigned int n) -{ - unsigned int i; - unsigned int hidden_mask; - SLscroll_Type *l, *cline; - - if ((win == NULL) - || (NULL == (cline = win->current_line))) - return 0; - - hidden_mask = win->hidden_mask; - l = cline; - i = 0; - while (i < n) - { - l = l->prev; - while (hidden_mask - && (l != NULL) && (l->flags & hidden_mask)) - l = l->prev; - - if (l == NULL) - break; - - i++; - cline = l; - } - - win->current_line = cline; - win->line_num -= i; - return i; -} - -int SLscroll_pageup (SLscroll_Window_Type *win) -{ - SLscroll_Type *l, *top; - unsigned int nrows, hidden_mask; - unsigned int n; - - if (win == NULL) - return -1; - - (void) SLscroll_find_top (win); - - nrows = win->nrows; - - if ((NULL != (top = win->top_window_line)) - && (nrows > 2)) - { - n = 0; - hidden_mask = win->hidden_mask; - l = win->current_line; - while ((l != NULL) && (l != top)) - { - l = l->prev; - if ((hidden_mask == 0) - || ((l != NULL) && (0 == (l->flags & hidden_mask)))) - n++; - } - - if (l != NULL) - { - unsigned int save_line_num; - int ret = 0; - - win->current_line = l; - win->line_num -= n; - - /* Compute a new top/bottom header */ - save_line_num = win->line_num; - - if ((0 == SLscroll_prev_n (win, nrows - 1)) - && (n == 0)) - ret = -1; - - win->top_window_line = win->current_line; - win->current_line = l; - win->line_num = save_line_num; - - find_window_bottom (win); - return ret; - } - } - - if (nrows < 2) nrows++; - if (0 == SLscroll_prev_n (win, nrows - 1)) - return -1; - return 0; -} - -int SLscroll_pagedown (SLscroll_Window_Type *win) -{ - SLscroll_Type *l, *bot; - unsigned int nrows, hidden_mask; - unsigned int n; - - if (win == NULL) - return -1; - - (void) SLscroll_find_top (win); - - nrows = win->nrows; - - if ((NULL != (bot = win->bot_window_line)) - && (nrows > 2)) - { - n = 0; - hidden_mask = win->hidden_mask; - l = win->current_line; - while ((l != NULL) && (l != bot)) - { - l = l->next; - if ((hidden_mask == 0) - || ((l != NULL) && (0 == (l->flags & hidden_mask)))) - n++; - } - - if (l != NULL) - { - win->current_line = l; - win->top_window_line = l; - win->line_num += n; - - find_window_bottom (win); - - if (n || (bot != win->bot_window_line)) - return 0; - - return -1; - } - } - - if (nrows < 2) nrows++; - if (0 == SLscroll_next_n (win, nrows - 1)) - return -1; - return 0; -} - diff --git a/mdk-stage1/slang/slsearch.c b/mdk-stage1/slang/slsearch.c deleted file mode 100644 index a9a427a7d..000000000 --- a/mdk-stage1/slang/slsearch.c +++ /dev/null @@ -1,239 +0,0 @@ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -#ifdef upcase -# undef upcase -#endif - -#define upcase(ch) (cs ? ch : UPPER_CASE(ch)) - -static unsigned char *search_forward (register unsigned char *beg, - unsigned char *end, - unsigned char *key, - register int key_len, int cs, int *ind) -{ - register unsigned char char1; - unsigned char *pos; - int j, str_len; - register unsigned char ch; - register int db; - - str_len = (int) (end - beg); - if (str_len < key_len) return (NULL); - - if (key_len == 0) - return NULL; - - char1 = key[key_len - 1]; - beg += (key_len - 1); - - while(1) - { - if (cs) while (beg < end) - { - ch = *beg; - db = ind[(unsigned char) ch]; - if ((db < key_len) && (ch == char1)) break; - beg += db; /* ind[(unsigned char) ch]; */ - } - else while (beg < end) - { - ch = *beg; - db = ind[(unsigned char) ch]; - if ((db < key_len) && - (UPPER_CASE(ch) == char1)) break; - beg += db; /* ind[(unsigned char) ch]; */ - } - - if (beg >= end) return(NULL); - - pos = beg - (key_len - 1); - for (j = 0; j < key_len; j++) - { - ch = upcase(pos[j]); - if (ch != (unsigned char) key[j]) break; - } - - if (j == key_len) return(pos); - beg += 1; - } -} - -static unsigned char *search_backward (unsigned char *beg,unsigned char *end, - unsigned char *key, int key_len, - int cs, int *ind) -{ - unsigned char ch, char1; - int j, str_len, ofs; - - str_len = (int) (end - beg); - if (str_len < key_len) return (NULL); - - if (key_len == 0) - return NULL; - - /* end -= (key_len - 1); */ - end -= key_len; - - char1 = key[0]; - - while(1) - { - while ((beg <= end) && (ch = *end, ch = upcase(ch), ch != char1)) - { - ofs = ind[(unsigned char) ch]; -#ifdef __MSDOS__ - /* This is needed for msdos segment wrapping problems */ - if (beg + ofs > end) return(NULL); -#endif - end -= ofs; - } - if (beg > end) return(NULL); - for (j = 1; j < key_len; j++) - { - ch = upcase(end[j]); - if (ch != key[j]) break; - } - if (j == key_len) return(end); - end--; - } -} - -unsigned char *SLsearch (unsigned char *pmin, unsigned char *pmax, - SLsearch_Type *st) -{ - if (st->dir > 0) return search_forward (pmin, pmax, st->key, - st->key_len, st->cs, st->ind); - else return search_backward (pmin, pmax, st->key, - st->key_len, st->cs, st->ind); -} - -static int Case_Tables_Ok; - -int SLsearch_init (char *str, int dir, int cs, SLsearch_Type *st) -{ - int i, maxi; - register int max = strlen(str); - unsigned char *w, *work = st->key; - register int *indp, *indpm; - int *ind = st->ind; - - if (max >= (int) sizeof (st->key)) - { - SLang_doerror ("Search string too long."); - return -1; - } - - st->dir = dir; st->cs = cs; - - if (!Case_Tables_Ok) SLang_init_case_tables (); - - if (dir > 0) - { - w = work; - } - else - { - maxi = max - 1; - str = str + maxi; - w = work + maxi; - } - - /* for (i = 0; i < 256; i++) ind[i] = max; */ - indp = ind; indpm = ind + 256; - while (indp < indpm) - { - *indp++ = max; - *indp++ = max; - *indp++ = max; - *indp++ = max; - } - - i = 0; - if (cs) while (i < max) - { - i++; - maxi = max - i; - *w = *str; - ind[(unsigned char) *str] = maxi; - str += dir; w += dir; - } - else while (i < max) - { - i++; - maxi = max - i; - *w = UPPER_CASE(*str); - ind[(unsigned char) *w] = maxi; - ind[(unsigned char) LOWER_CASE(*str)] = maxi; - str += dir; w += dir; - } - - work[max] = 0; - st->key_len = max; - return max; -} - -/* 8bit clean upper and lowercase macros */ -unsigned char _SLChg_LCase_Lut[256]; -unsigned char _SLChg_UCase_Lut[256]; - -void SLang_define_case (int *u, int *l) -{ - unsigned char up = (unsigned char) *u, dn = (unsigned char) *l; - - _SLChg_LCase_Lut[up] = dn; - _SLChg_LCase_Lut[dn] = dn; - _SLChg_UCase_Lut[dn] = up; - _SLChg_UCase_Lut[up] = up; -} - -void SLang_init_case_tables (void) -{ - int i, j; - if (Case_Tables_Ok) return; - - for (i = 0; i < 256; i++) - { - _SLChg_UCase_Lut[i] = i; - _SLChg_LCase_Lut[i] = i; - } - - for (i = 'A'; i <= 'Z'; i++) - { - j = i + 32; - _SLChg_UCase_Lut[j] = i; - _SLChg_LCase_Lut[i] = j; - } -#ifdef PC_SYSTEM - /* Initialize for DOS code page 437. */ - _SLChg_UCase_Lut[135] = 128; _SLChg_LCase_Lut[128] = 135; - _SLChg_UCase_Lut[132] = 142; _SLChg_LCase_Lut[142] = 132; - _SLChg_UCase_Lut[134] = 143; _SLChg_LCase_Lut[143] = 134; - _SLChg_UCase_Lut[130] = 144; _SLChg_LCase_Lut[144] = 130; - _SLChg_UCase_Lut[145] = 146; _SLChg_LCase_Lut[146] = 145; - _SLChg_UCase_Lut[148] = 153; _SLChg_LCase_Lut[153] = 148; - _SLChg_UCase_Lut[129] = 154; _SLChg_LCase_Lut[154] = 129; - _SLChg_UCase_Lut[164] = 165; _SLChg_LCase_Lut[165] = 164; -#else - /* ISO Latin */ - for (i = 192; i <= 221; i++) - { - j = i + 32; - _SLChg_UCase_Lut[j] = i; - _SLChg_LCase_Lut[i] = j; - } - _SLChg_UCase_Lut[215] = 215; _SLChg_LCase_Lut[215] = 215; - _SLChg_UCase_Lut[223] = 223; _SLChg_LCase_Lut[223] = 223; - _SLChg_UCase_Lut[247] = 247; _SLChg_LCase_Lut[247] = 247; - _SLChg_UCase_Lut[255] = 255; _SLChg_LCase_Lut[255] = 255; -#endif - Case_Tables_Ok = 1; -} diff --git a/mdk-stage1/slang/slsignal.c b/mdk-stage1/slang/slsignal.c deleted file mode 100644 index 30707dea5..000000000 --- a/mdk-stage1/slang/slsignal.c +++ /dev/null @@ -1,336 +0,0 @@ -/* Copyright (c) 1998, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ -#include "slinclud.h" - -#include <signal.h> - -#ifdef HAVE_SYS_TYPES_H -# include <sys/types.h> -#endif -#ifdef HAVE_SYS_WAIT_H -# include <sys/wait.h> -#endif - -#include <errno.h> - -#include "slang.h" -#include "_slang.h" - -/* Do not trust these environments */ -#if defined(__CYGWIN32__) || defined(__MINGW32__) || defined(AMIGA) -# ifdef SLANG_POSIX_SIGNALS -# undef SLANG_POSIX_SIGNALS -# endif -#endif - -/* This function will cause system calls to be restarted after signal if possible */ -SLSig_Fun_Type *SLsignal (int sig, SLSig_Fun_Type *f) -{ -#if defined(SLANG_POSIX_SIGNALS) - struct sigaction old_sa, new_sa; - -# ifdef SIGALRM - /* We want system calls to be interrupted by SIGALRM. */ - if (sig == SIGALRM) return SLsignal_intr (sig, f); -# endif - - sigemptyset (&new_sa.sa_mask); - new_sa.sa_handler = f; - - new_sa.sa_flags = 0; -# ifdef SA_RESTART - new_sa.sa_flags |= SA_RESTART; -# endif - - if (-1 == sigaction (sig, &new_sa, &old_sa)) - return (SLSig_Fun_Type *) SIG_ERR; - - return old_sa.sa_handler; -#else - /* Not POSIX. */ - return signal (sig, f); -#endif -} - -/* This function will NOT cause system calls to be restarted after - * signal if possible - */ -SLSig_Fun_Type *SLsignal_intr (int sig, SLSig_Fun_Type *f) -{ -#ifdef SLANG_POSIX_SIGNALS - struct sigaction old_sa, new_sa; - - sigemptyset (&new_sa.sa_mask); - new_sa.sa_handler = f; - - new_sa.sa_flags = 0; -# ifdef SA_INTERRUPT - new_sa.sa_flags |= SA_INTERRUPT; -# endif - - if (-1 == sigaction (sig, &new_sa, &old_sa)) - return (SLSig_Fun_Type *) SIG_ERR; - - return old_sa.sa_handler; -#else - /* Not POSIX. */ - return signal (sig, f); -#endif -} - -/* We are primarily interested in blocking signals that would cause the - * application to reset the tty. These include suspend signals and - * possibly interrupt signals. - */ -#ifdef SLANG_POSIX_SIGNALS -static sigset_t Old_Signal_Mask; -#endif - -static volatile unsigned int Blocked_Depth; - -int SLsig_block_signals (void) -{ -#ifdef SLANG_POSIX_SIGNALS - sigset_t new_mask; -#endif - - Blocked_Depth++; - if (Blocked_Depth != 1) - { - return 0; - } - -#ifdef SLANG_POSIX_SIGNALS - sigemptyset (&new_mask); -# ifdef SIGQUIT - sigaddset (&new_mask, SIGQUIT); -# endif -# ifdef SIGTSTP - sigaddset (&new_mask, SIGTSTP); -# endif -# ifdef SIGINT - sigaddset (&new_mask, SIGINT); -# endif -# ifdef SIGTTIN - sigaddset (&new_mask, SIGTTIN); -# endif -# ifdef SIGTTOU - sigaddset (&new_mask, SIGTTOU); -# endif -# ifdef SIGWINCH - sigaddset (&new_mask, SIGWINCH); -# endif - - (void) sigprocmask (SIG_BLOCK, &new_mask, &Old_Signal_Mask); - return 0; -#else - /* Not implemented. */ - return -1; -#endif -} - -int SLsig_unblock_signals (void) -{ - if (Blocked_Depth == 0) - return -1; - - Blocked_Depth--; - - if (Blocked_Depth != 0) - return 0; - -#ifdef SLANG_POSIX_SIGNALS - (void) sigprocmask (SIG_SETMASK, &Old_Signal_Mask, NULL); - return 0; -#else - return -1; -#endif -} - -#ifdef MSWINDOWS -int SLsystem (char *cmd) -{ - SLang_verror (SL_NOT_IMPLEMENTED, "system not implemented"); - return -1; -} - -#else -int SLsystem (char *cmd) -{ -#ifdef SLANG_POSIX_SIGNALS - pid_t pid; - int status; - struct sigaction ignore; -# ifdef SIGINT - struct sigaction save_intr; -# endif -# ifdef SIGQUIT - struct sigaction save_quit; -# endif -# ifdef SIGCHLD - sigset_t child_mask, save_mask; -# endif - - if (cmd == NULL) return 1; - - ignore.sa_handler = SIG_IGN; - sigemptyset (&ignore.sa_mask); - ignore.sa_flags = 0; - -# ifdef SIGINT - if (-1 == sigaction (SIGINT, &ignore, &save_intr)) - return -1; -# endif - -# ifdef SIGQUIT - if (-1 == sigaction (SIGQUIT, &ignore, &save_quit)) - { - (void) sigaction (SIGINT, &save_intr, NULL); - return -1; - } -# endif - -# ifdef SIGCHLD - sigemptyset (&child_mask); - sigaddset (&child_mask, SIGCHLD); - if (-1 == sigprocmask (SIG_BLOCK, &child_mask, &save_mask)) - { -# ifdef SIGINT - (void) sigaction (SIGINT, &save_intr, NULL); -# endif -# ifdef SIGQUIT - (void) sigaction (SIGQUIT, &save_quit, NULL); -# endif - return -1; - } -# endif - - pid = fork(); - - if (pid == -1) - status = -1; - else if (pid == 0) - { - /* Child */ -# ifdef SIGINT - (void) sigaction (SIGINT, &save_intr, NULL); -# endif -# ifdef SIGQUIT - (void) sigaction (SIGQUIT, &save_quit, NULL); -# endif -# ifdef SIGCHLD - (void) sigprocmask (SIG_SETMASK, &save_mask, NULL); -# endif - - execl ("/bin/sh", "sh", "-c", cmd, NULL); - _exit (127); - } - else - { - /* parent */ - while (-1 == waitpid (pid, &status, 0)) - { -# ifdef EINTR - if (errno == EINTR) - continue; -# endif -# ifdef ERESTARTSYS - if (errno == ERESTARTSYS) - continue; -# endif - status = -1; - break; - } - } -# ifdef SIGINT - if (-1 == sigaction (SIGINT, &save_intr, NULL)) - status = -1; -# endif -# ifdef SIGQUIT - if (-1 == sigaction (SIGQUIT, &save_quit, NULL)) - status = -1; -# endif -# ifdef SIGCHLD - if (-1 == sigprocmask (SIG_SETMASK, &save_mask, NULL)) - status = -1; -# endif - - return status; - -#else /* No POSIX Signals */ -# ifdef SIGINT - void (*sint)(int); -# endif -# ifdef SIGQUIT - void (*squit)(int); -# endif - int status; - -# ifdef SIGQUIT - squit = SLsignal (SIGQUIT, SIG_IGN); -# endif -# ifdef SIGINT - sint = SLsignal (SIGINT, SIG_IGN); -# endif - status = system (cmd); -# ifdef SIGINT - SLsignal (SIGINT, sint); -# endif -# ifdef SIGQUIT - SLsignal (SIGQUIT, squit); -# endif - return status; -#endif /* POSIX_SIGNALS */ -} -#endif - -#if 0 -#include <windows.h> -static int msw_system (char *cmd) -{ - STARTUPINFO startup_info; - PROCESS_INFORMATION process_info; - int status; - - if (cmd == NULL) return -1; - - memset ((char *) &startup_info, 0, sizeof (STARTUPINFO)); - startup_info.cb = sizeof(STARTUPINFO); - startup_info.dwFlags = STARTF_USESHOWWINDOW; - startup_info.wShowWindow = SW_SHOWDEFAULT; - - if (FALSE == CreateProcess (NULL, - cmd, - NULL, - NULL, - FALSE, - NORMAL_PRIORITY_CLASS|CREATE_NEW_CONSOLE, - NULL, - NULL, - &startup_info, - &process_info)) - { - SLang_verror (0, "%s: CreateProcess failed.", cmd); - return -1; - } - - status = -1; - - if (0xFFFFFFFFUL != WaitForSingleObject (process_info.hProcess, INFINITE)) - { - DWORD exit_code; - - if (TRUE == GetExitCodeProcess (process_info.hProcess, &exit_code)) - status = (int) exit_code; - } - - CloseHandle (process_info.hThread); - CloseHandle (process_info.hProcess); - - return status; -} -#endif diff --git a/mdk-stage1/slang/slsmg.c b/mdk-stage1/slang/slsmg.c deleted file mode 100644 index 088557f27..000000000 --- a/mdk-stage1/slang/slsmg.c +++ /dev/null @@ -1,1584 +0,0 @@ -/* SLang Screen management routines */ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -typedef struct Screen_Type - { - int n; /* number of chars written last time */ - int flags; /* line untouched, etc... */ - SLsmg_Char_Type *old, *neew; -#ifndef IBMPC_SYSTEM - unsigned long old_hash, new_hash; -#endif - } -Screen_Type; - -#define TOUCHED 0x1 -#define TRASHED 0x2 -static int Screen_Trashed; - -#if !defined(__MSDOS_16BIT__) -# define MAX_SCREEN_SIZE 256 -#else -# define MAX_SCREEN_SIZE 75 -#endif - -Screen_Type SL_Screen[MAX_SCREEN_SIZE]; -static int Start_Col, Start_Row; -static int Screen_Cols, Screen_Rows; -static int This_Row, This_Col; -static int This_Color; /* only the first 8 bits of this - * are used. The highest bit is used - * to indicate an alternate character - * set. This leaves 127 userdefineable - * color combination. - */ - -#ifndef IBMPC_SYSTEM -#define ALT_CHAR_FLAG 0x80 -#else -#define ALT_CHAR_FLAG 0x00 -#endif - -#if SLTT_HAS_NON_BCE_SUPPORT && !defined(IBMPC_SYSTEM) -#define REQUIRES_NON_BCE_SUPPORT 1 -static int Bce_Color_Offset; -#endif - -int SLsmg_Newline_Behavior = 0; -int SLsmg_Backspace_Moves = 0; -/* Backward compatibility. Not used. */ -/* int SLsmg_Newline_Moves; */ - -static void (*tt_normal_video)(void) = SLtt_normal_video; -static void (*tt_goto_rc)(int, int) = SLtt_goto_rc; -static void (*tt_cls) (void) = SLtt_cls; -static void (*tt_del_eol) (void) = SLtt_del_eol; -static void (*tt_smart_puts) (SLsmg_Char_Type *, SLsmg_Char_Type *, int, int) = SLtt_smart_puts; -static int (*tt_flush_output) (void) = SLtt_flush_output; -static int (*tt_reset_video) (void) = SLtt_reset_video; -static int (*tt_init_video) (void) = SLtt_init_video; -static int *tt_Screen_Rows = &SLtt_Screen_Rows; -static int *tt_Screen_Cols = &SLtt_Screen_Cols; - -#ifndef IBMPC_SYSTEM -static void (*tt_set_scroll_region)(int, int) = SLtt_set_scroll_region; -static void (*tt_reverse_index)(int) = SLtt_reverse_index; -static void (*tt_reset_scroll_region)(void) = SLtt_reset_scroll_region; -static void (*tt_delete_nlines)(int) = SLtt_delete_nlines; -#endif - -#ifndef IBMPC_SYSTEM -static int *tt_Term_Cannot_Scroll = &SLtt_Term_Cannot_Scroll; -static int *tt_Has_Alt_Charset = &SLtt_Has_Alt_Charset; -static char **tt_Graphics_Char_Pairs = &SLtt_Graphics_Char_Pairs; -static int *tt_Use_Blink_For_ACS = &SLtt_Use_Blink_For_ACS; -#endif - -static int Smg_Inited; - -static void blank_line (SLsmg_Char_Type *p, int n, unsigned char ch) -{ - register SLsmg_Char_Type *pmax = p + n; - register SLsmg_Char_Type color_ch; - - color_ch = SLSMG_BUILD_CHAR(ch,This_Color); - - while (p < pmax) - { - *p++ = color_ch; - } -} - -static void clear_region (int row, int n) -{ - int i; - int imax = row + n; - - if (imax > Screen_Rows) imax = Screen_Rows; - for (i = row; i < imax; i++) - { - if (i >= 0) - { - blank_line (SL_Screen[i].neew, Screen_Cols, ' '); - SL_Screen[i].flags |= TOUCHED; - } - } -} - -void SLsmg_erase_eol (void) -{ - int r, c; - - if (Smg_Inited == 0) return; - - c = This_Col - Start_Col; - r = This_Row - Start_Row; - - if ((r < 0) || (r >= Screen_Rows)) return; - if (c < 0) c = 0; else if (c >= Screen_Cols) return; - blank_line (SL_Screen[This_Row].neew + c , Screen_Cols - c, ' '); - SL_Screen[This_Row].flags |= TOUCHED; -} - -static void scroll_up (void) -{ - unsigned int i, imax; - SLsmg_Char_Type *neew; - - neew = SL_Screen[0].neew; - imax = Screen_Rows - 1; - for (i = 0; i < imax; i++) - { - SL_Screen[i].neew = SL_Screen[i + 1].neew; - SL_Screen[i].flags |= TOUCHED; - } - SL_Screen[i].neew = neew; - SL_Screen[i].flags |= TOUCHED; - blank_line (neew, Screen_Cols, ' '); - This_Row--; -} - -void SLsmg_gotorc (int r, int c) -{ - This_Row = r; - This_Col = c; -} - -int SLsmg_get_row (void) -{ - return This_Row; -} - -int SLsmg_get_column (void) -{ - return This_Col; -} - -void SLsmg_erase_eos (void) -{ - if (Smg_Inited == 0) return; - - SLsmg_erase_eol (); - clear_region (This_Row + 1, Screen_Rows); -} - -static int This_Alt_Char; - -void SLsmg_set_char_set (int i) -{ -#ifdef IBMPC_SYSTEM - (void) i; -#else - if ((tt_Use_Blink_For_ACS != NULL) - && (*tt_Use_Blink_For_ACS != 0)) - return;/* alt chars not used and the alt bit - * is used to indicate a blink. - */ - - if (i) This_Alt_Char = ALT_CHAR_FLAG; - else This_Alt_Char = 0; - - This_Color &= 0x7F; - This_Color |= This_Alt_Char; -#endif -} - -void SLsmg_set_color (int color) -{ - if (color < 0) return; -#ifdef REQUIRES_NON_BCE_SUPPORT - color += Bce_Color_Offset; -#endif - This_Color = color | This_Alt_Char; -} - -void SLsmg_reverse_video (void) -{ - SLsmg_set_color (1); -} - -void SLsmg_normal_video (void) -{ - SLsmg_set_color (0); -} - -static int point_visible (int col_too) -{ - return ((This_Row >= Start_Row) && (This_Row < Start_Row + Screen_Rows) - && ((col_too == 0) - || ((This_Col >= Start_Col) - && (This_Col < Start_Col + Screen_Cols)))); -} - -void SLsmg_write_string (char *str) -{ - SLsmg_write_nchars (str, strlen (str)); -} - -void SLsmg_write_nstring (char *str, unsigned int n) -{ - unsigned int width; - char blank = ' '; - - /* Avoid a problem if a user accidently passes a negative value */ - if ((int) n < 0) - return; - - if (str == NULL) width = 0; - else - { - width = strlen (str); - if (width > n) width = n; - SLsmg_write_nchars (str, width); - } - while (width++ < n) SLsmg_write_nchars (&blank, 1); -} - -void SLsmg_write_wrapped_string (char *s, int r, int c, - unsigned int dr, unsigned int dc, - int fill) -{ - register char ch, *p; - int maxc = (int) dc; - - if ((dr == 0) || (dc == 0)) return; - p = s; - dc = 0; - while (1) - { - ch = *p++; - if ((ch == 0) || (ch == '\n')) - { - int diff; - - diff = maxc - (int) dc; - - SLsmg_gotorc (r, c); - SLsmg_write_nchars (s, dc); - if (fill && (diff > 0)) - { - while (diff--) SLsmg_write_char (' '); - } - if ((ch == 0) || (dr == 1)) break; - - r++; - dc = 0; - dr--; - s = p; - } - else if ((int) dc == maxc) - { - SLsmg_gotorc (r, c); - SLsmg_write_nchars (s, dc + 1); - if (dr == 1) break; - - r++; - dc = 0; - dr--; - s = p; - } - else dc++; - } -} - -int SLsmg_Tab_Width = 8; - -/* Minimum value for which eight bit char is displayed as is. */ - -#ifndef IBMPC_SYSTEM -int SLsmg_Display_Eight_Bit = 160; -static unsigned char Alt_Char_Set[129];/* 129th is used as a flag */ -#else -int SLsmg_Display_Eight_Bit = 128; -#endif - -void SLsmg_write_nchars (char *str, unsigned int n) -{ - register SLsmg_Char_Type *p, old, neew, color; - unsigned char ch; - unsigned int flags; - int len, start_len, max_len; - char *str_max; - int newline_flag; -#ifndef IBMPC_SYSTEM - int alt_char_set_flag; - - alt_char_set_flag = ((This_Color & ALT_CHAR_FLAG) - && ((tt_Use_Blink_For_ACS == NULL) - || (*tt_Use_Blink_For_ACS == 0))); -#endif - - if (Smg_Inited == 0) return; - - str_max = str + n; - color = This_Color; - - top: /* get here only on newline */ - - newline_flag = 0; - start_len = Start_Col; - - if (point_visible (0) == 0) return; - - len = This_Col; - max_len = start_len + Screen_Cols; - - p = SL_Screen[This_Row - Start_Row].neew; - if (len > start_len) p += (len - start_len); - - flags = SL_Screen[This_Row - Start_Row].flags; - while ((len < max_len) && (str < str_max)) - { - ch = (unsigned char) *str++; - -#ifndef IBMPC_SYSTEM - if (alt_char_set_flag) - ch = Alt_Char_Set [ch & 0x7F]; -#endif - if (((ch >= ' ') && (ch < 127)) - || (ch >= (unsigned char) SLsmg_Display_Eight_Bit) -#ifndef IBMPC_SYSTEM - || alt_char_set_flag -#endif - ) - { - len += 1; - if (len > start_len) - { - old = *p; - neew = SLSMG_BUILD_CHAR(ch,color); - if (old != neew) - { - flags |= TOUCHED; - *p = neew; - } - p++; - } - } - - else if ((ch == '\t') && (SLsmg_Tab_Width > 0)) - { - n = len; - n += SLsmg_Tab_Width; - n = SLsmg_Tab_Width - (n % SLsmg_Tab_Width); - if ((unsigned int) len + n > (unsigned int) max_len) - n = (unsigned int) (max_len - len); - neew = SLSMG_BUILD_CHAR(' ',color); - while (n--) - { - len += 1; - if (len > start_len) - { - if (*p != neew) - { - flags |= TOUCHED; - *p = neew; - } - p++; - } - } - } - else if ((ch == '\n') - && (SLsmg_Newline_Behavior != SLSMG_NEWLINE_PRINTABLE)) - { - newline_flag = 1; - break; - } - else if ((ch == 0x8) && SLsmg_Backspace_Moves) - { - if (len != 0) len--; - } - else - { - if (ch & 0x80) - { - neew = SLSMG_BUILD_CHAR('~',color); - len += 1; - if (len > start_len) - { - if (*p != neew) - { - *p = neew; - flags |= TOUCHED; - } - p++; - if (len == max_len) break; - ch &= 0x7F; - } - } - - len += 1; - if (len > start_len) - { - neew = SLSMG_BUILD_CHAR('^',color); - if (*p != neew) - { - *p = neew; - flags |= TOUCHED; - } - p++; - if (len == max_len) break; - } - - if (ch == 127) ch = '?'; else ch = ch + '@'; - len++; - if (len > start_len) - { - neew = SLSMG_BUILD_CHAR(ch,color); - if (*p != neew) - { - *p = neew; - flags |= TOUCHED; - } - p++; - } - } - } - - SL_Screen[This_Row - Start_Row].flags = flags; - This_Col = len; - - if (SLsmg_Newline_Behavior == 0) - return; - - if (newline_flag == 0) - { - while (str < str_max) - { - if (*str == '\n') break; - str++; - } - if (str == str_max) return; - str++; - } - - This_Row++; - This_Col = 0; - if (This_Row == Start_Row + Screen_Rows) - { - if (SLsmg_Newline_Behavior == SLSMG_NEWLINE_SCROLLS) scroll_up (); - } - goto top; -} - -void SLsmg_write_char (char ch) -{ - SLsmg_write_nchars (&ch, 1); -} - -static int Cls_Flag; - -void SLsmg_cls (void) -{ - int tac; - if (Smg_Inited == 0) return; - - tac = This_Alt_Char; This_Alt_Char = 0; - SLsmg_set_color (0); - clear_region (0, Screen_Rows); - This_Alt_Char = tac; - SLsmg_set_color (0); - Cls_Flag = 1; -} -#if 0 -static void do_copy (SLsmg_Char_Type *a, SLsmg_Char_Type *b) -{ - SLsmg_Char_Type *amax = a + Screen_Cols; - - while (a < amax) *a++ = *b++; -} -#endif - -#ifndef IBMPC_SYSTEM -int SLsmg_Scroll_Hash_Border = 0; -static unsigned long compute_hash (SLsmg_Char_Type *s, int n) -{ - register unsigned long h = 0, g; - register unsigned long sum = 0; - register SLsmg_Char_Type *smax, ch; - int is_blank = 2; - - s += SLsmg_Scroll_Hash_Border; - smax = s + (n - SLsmg_Scroll_Hash_Border); - while (s < smax) - { - ch = *s++; - if (is_blank && (SLSMG_EXTRACT_CHAR(ch) != 32)) is_blank--; - - sum += ch; - - h = sum + (h << 3); - if ((g = h & 0xE0000000UL) != 0) - { - h = h ^ (g >> 24); - h = h ^ g; - } - } - if (is_blank) return 0; - return h; -} - -static unsigned long Blank_Hash; - -static int try_scroll_down (int rmin, int rmax) -{ - int i, r1, r2, di, j; - unsigned long hash; - int did_scroll; - int color; - SLsmg_Char_Type *tmp; - int ignore; - - did_scroll = 0; - for (i = rmax; i > rmin; i--) - { - hash = SL_Screen[i].new_hash; - if (hash == Blank_Hash) continue; - - if ((hash == SL_Screen[i].old_hash) -#if 0 - || ((i + 1 < Screen_Rows) && (hash == SL_Screen[i + 1].old_hash)) - || ((i - 1 > rmin) && (SL_Screen[i].old_hash == SL_Screen[i - 1].new_hash)) -#endif - ) - continue; - - for (j = i - 1; j >= rmin; j--) - { - if (hash == SL_Screen[j].old_hash) break; - } - if (j < rmin) continue; - - r2 = i; /* end scroll region */ - - di = i - j; - j--; - ignore = 0; - while ((j >= rmin) && (SL_Screen[j].old_hash == SL_Screen[j + di].new_hash)) - { - if (SL_Screen[j].old_hash == Blank_Hash) ignore++; - j--; - } - r1 = j + 1; - - /* If this scroll only scrolls this line into place, don't do it. - */ - if ((di > 1) && (r1 + di + ignore == r2)) continue; - - /* If there is anything in the scrolling region that is ok, abort the - * scroll. - */ - - for (j = r1; j <= r2; j++) - { - if ((SL_Screen[j].old_hash != Blank_Hash) - && (SL_Screen[j].old_hash == SL_Screen[j].new_hash)) - { - /* See if the scroll is happens to scroll this one into place. */ - if ((j + di > r2) || (SL_Screen[j].old_hash != SL_Screen[j + di].new_hash)) - break; - } - } - if (j <= r2) continue; - - color = This_Color; This_Color = 0; - did_scroll = 1; - (*tt_normal_video) (); - (*tt_set_scroll_region) (r1, r2); - (*tt_goto_rc) (0, 0); - (*tt_reverse_index) (di); - (*tt_reset_scroll_region) (); - /* Now we have a hole in the screen. - * Make the virtual screen look like it. - * - * Note that if the terminal does not support BCE, then we have - * no idea what color the hole is. So, for this case, we do not - * want to add Bce_Color_Offset to This_Color since if Bce_Color_Offset - * is non-zero, then This_Color = 0 does not match any valid color - * obtained by adding Bce_Color_Offset. - */ - for (j = r1; j <= r2; j++) SL_Screen[j].flags = TOUCHED; - - while (di--) - { - tmp = SL_Screen[r2].old; - for (j = r2; j > r1; j--) - { - SL_Screen[j].old = SL_Screen[j - 1].old; - SL_Screen[j].old_hash = SL_Screen[j - 1].old_hash; - } - SL_Screen[r1].old = tmp; - blank_line (SL_Screen[r1].old, Screen_Cols, ' '); - SL_Screen[r1].old_hash = Blank_Hash; - r1++; - } - This_Color = color; - } - - return did_scroll; -} - -static int try_scroll_up (int rmin, int rmax) -{ - int i, r1, r2, di, j; - unsigned long hash; - int did_scroll; - int color; - SLsmg_Char_Type *tmp; - int ignore; - - did_scroll = 0; - for (i = rmin; i < rmax; i++) - { - hash = SL_Screen[i].new_hash; - if (hash == Blank_Hash) continue; - if (hash == SL_Screen[i].old_hash) - continue; - /* find a match further down screen */ - for (j = i + 1; j <= rmax; j++) - { - if (hash == SL_Screen[j].old_hash) break; - } - if (j > rmax) continue; - - r1 = i; /* beg scroll region */ - di = j - i; /* number of lines to scroll */ - j++; /* since we know this is a match */ - - /* find end of scroll region */ - ignore = 0; - while ((j <= rmax) && (SL_Screen[j].old_hash == SL_Screen[j - di].new_hash)) - { - if (SL_Screen[j].old_hash == Blank_Hash) ignore++; - j++; - } - r2 = j - 1; /* end of scroll region */ - - /* If this scroll only scrolls this line into place, don't do it. - */ - if ((di > 1) && (r1 + di + ignore == r2)) continue; - - /* If there is anything in the scrolling region that is ok, abort the - * scroll. - */ - - for (j = r1; j <= r2; j++) - { - if ((SL_Screen[j].old_hash != Blank_Hash) - && (SL_Screen[j].old_hash == SL_Screen[j].new_hash)) - { - if ((j - di < r1) || (SL_Screen[j].old_hash != SL_Screen[j - di].new_hash)) - break; - } - - } - if (j <= r2) continue; - - did_scroll = 1; - - /* See the above comments about BCE */ - color = This_Color; This_Color = 0; - (*tt_normal_video) (); - (*tt_set_scroll_region) (r1, r2); - (*tt_goto_rc) (0, 0); /* relative to scroll region */ - (*tt_delete_nlines) (di); - (*tt_reset_scroll_region) (); - /* Now we have a hole in the screen. Make the virtual screen look - * like it. - */ - for (j = r1; j <= r2; j++) SL_Screen[j].flags = TOUCHED; - - while (di--) - { - tmp = SL_Screen[r1].old; - for (j = r1; j < r2; j++) - { - SL_Screen[j].old = SL_Screen[j + 1].old; - SL_Screen[j].old_hash = SL_Screen[j + 1].old_hash; - } - SL_Screen[r2].old = tmp; - blank_line (SL_Screen[r2].old, Screen_Cols, ' '); - SL_Screen[r2].old_hash = Blank_Hash; - r2--; - } - This_Color = color; - } - return did_scroll; -} - -static void try_scroll (void) -{ - int r1, rmin, rmax; - int num_up, num_down; - /* find region limits. */ - - for (rmax = Screen_Rows - 1; rmax > 0; rmax--) - { - if (SL_Screen[rmax].new_hash != SL_Screen[rmax].old_hash) - { - r1 = rmax - 1; - if ((r1 == 0) - || (SL_Screen[r1].new_hash != SL_Screen[r1].old_hash)) - break; - - rmax = r1; - } - } - - for (rmin = 0; rmin < rmax; rmin++) - { - if (SL_Screen[rmin].new_hash != SL_Screen[rmin].old_hash) - { - r1 = rmin + 1; - if ((r1 == rmax) - || (SL_Screen[r1].new_hash != SL_Screen[r1].old_hash)) - break; - - rmin = r1; - } - } - - /* Below, we have two scrolling algorithms. The first has the effect of - * scrolling lines down. This is usually appropriate when one moves - * up the display, e.g., with the UP arrow. The second algorithm is - * appropriate for going the other way. It is important to choose the - * correct one. - */ - - num_up = 0; - for (r1 = rmin; r1 < rmax; r1++) - { - if (SL_Screen[r1].new_hash == SL_Screen[r1 + 1].old_hash) - num_up++; - } - - num_down = 0; - for (r1 = rmax; r1 > rmin; r1--) - { - if (SL_Screen[r1 - 1].old_hash == SL_Screen[r1].new_hash) - num_down++; - } - - if (num_up > num_down) - { - if (try_scroll_up (rmin, rmax)) - return; - - (void) try_scroll_down (rmin, rmax); - } - else - { - if (try_scroll_down (rmin, rmax)) - return; - - (void) try_scroll_up (rmin, rmax); - } -} -#endif /* NOT IBMPC_SYSTEM */ - - -#ifdef REQUIRES_NON_BCE_SUPPORT -static void adjust_colors (void) -{ - int bce; - int i; - - bce = Bce_Color_Offset; - Bce_Color_Offset = _SLtt_get_bce_color_offset (); - if (bce == Bce_Color_Offset) - return; - - if ((tt_Use_Blink_For_ACS != NULL) - && (*tt_Use_Blink_For_ACS != 0)) - return; /* this mode does not support non-BCE - * terminals. - */ - - for (i = 0; i < Screen_Rows; i++) - { - SLsmg_Char_Type *s, *smax; - - SL_Screen[i].flags |= TRASHED; - s = SL_Screen[i].neew; - smax = s + Screen_Cols; - - while (s < smax) - { - int color = (int) SLSMG_EXTRACT_COLOR(*s); - int acs; - - if (color < 0) - { - s++; - continue; - } - - acs = color & 0x80; - color = (color & 0x7F) - bce; - color += Bce_Color_Offset; - if (color >= 0) - { - unsigned char ch = SLSMG_EXTRACT_CHAR(*s); - *s = SLSMG_BUILD_CHAR(ch, ((color&0x7F)|acs)); - } - s++; - } - } -} -#endif - -void SLsmg_refresh (void) -{ - int i; -#ifndef IBMPC_SYSTEM - int trashed = 0; -#endif - - if (Smg_Inited == 0) return; - - if (Screen_Trashed) - { - Cls_Flag = 1; - for (i = 0; i < Screen_Rows; i++) - SL_Screen[i].flags |= TRASHED; -#ifdef REQUIRES_NON_BCE_SUPPORT - adjust_colors (); -#endif - } - -#ifndef IBMPC_SYSTEM - for (i = 0; i < Screen_Rows; i++) - { - if (SL_Screen[i].flags == 0) continue; - SL_Screen[i].new_hash = compute_hash (SL_Screen[i].neew, Screen_Cols); - trashed = 1; - } -#endif - - if (Cls_Flag) - { - (*tt_normal_video) (); (*tt_cls) (); - } -#ifndef IBMPC_SYSTEM - else if (trashed && (*tt_Term_Cannot_Scroll == 0)) try_scroll (); -#endif - - for (i = 0; i < Screen_Rows; i++) - { - if (SL_Screen[i].flags == 0) continue; - - if (Cls_Flag || SL_Screen[i].flags & TRASHED) - { - int color = This_Color; - - if (Cls_Flag == 0) - { - (*tt_goto_rc) (i, 0); - (*tt_del_eol) (); - } - This_Color = 0; - blank_line (SL_Screen[i].old, Screen_Cols, ' '); - This_Color = color; - } - - SL_Screen[i].old[Screen_Cols] = 0; - SL_Screen[i].neew[Screen_Cols] = 0; - - (*tt_smart_puts) (SL_Screen[i].neew, SL_Screen[i].old, Screen_Cols, i); - - SLMEMCPY ((char *) SL_Screen[i].old, (char *) SL_Screen[i].neew, - Screen_Cols * sizeof (SLsmg_Char_Type)); - - SL_Screen[i].flags = 0; -#ifndef IBMPC_SYSTEM - SL_Screen[i].old_hash = SL_Screen[i].new_hash; -#endif - } - - if (point_visible (1)) (*tt_goto_rc) (This_Row - Start_Row, This_Col - Start_Col); - (*tt_flush_output) (); - Cls_Flag = 0; - Screen_Trashed = 0; -} - -static int compute_clip (int row, int n, int box_start, int box_end, - int *rmin, int *rmax) -{ - int row_max; - - if (n < 0) return 0; - if (row >= box_end) return 0; - row_max = row + n; - if (row_max <= box_start) return 0; - - if (row < box_start) row = box_start; - if (row_max >= box_end) row_max = box_end; - *rmin = row; - *rmax = row_max; - return 1; -} - -void SLsmg_touch_lines (int row, unsigned int n) -{ - int i; - int r1, r2; - - /* Allow this function to be called even when we are not initialied. - * Calling this function is useful after calling SLtt_set_color - * to force the display to be redrawn - */ - - if (Smg_Inited == 0) - return; - - if (0 == compute_clip (row, (int) n, Start_Row, Start_Row + Screen_Rows, &r1, &r2)) - return; - - r1 -= Start_Row; - r2 -= Start_Row; - for (i = r1; i < r2; i++) - { - SL_Screen[i].flags |= TRASHED; - } -} - -void SLsmg_touch_screen (void) -{ - Screen_Trashed = 1; -} - - -#ifndef IBMPC_SYSTEM -static char Fake_Alt_Char_Pairs [] = "a:j+k+l+m+q-t+u+v+w+x|n+`+f\\g#~o,<+>.v-^h#0#"; - -static void init_alt_char_set (void) -{ - int i; - unsigned char *p, *pmax, ch; - - if (Alt_Char_Set[128] == 128) return; - - i = 32; - memset ((char *)Alt_Char_Set, ' ', i); - while (i <= 128) - { - Alt_Char_Set [i] = i; - i++; - } - - /* Map to VT100 */ - if (*tt_Has_Alt_Charset) - { - if (tt_Graphics_Char_Pairs == NULL) p = NULL; - else p = (unsigned char *) *tt_Graphics_Char_Pairs; - if (p == NULL) return; - } - else p = (unsigned char *) Fake_Alt_Char_Pairs; - pmax = p + strlen ((char *) p); - - /* Some systems have messed up entries for this */ - while (p < pmax) - { - ch = *p++; - ch &= 0x7F; /* should be unnecessary */ - Alt_Char_Set [ch] = *p; - p++; - } -} -#endif - -#ifndef IBMPC_SYSTEM -# define BLOCK_SIGNALS SLsig_block_signals () -# define UNBLOCK_SIGNALS SLsig_unblock_signals () -#else -# define BLOCK_SIGNALS (void)0 -# define UNBLOCK_SIGNALS (void)0 -#endif - -static int Smg_Suspended; -int SLsmg_suspend_smg (void) -{ - BLOCK_SIGNALS; - - if (Smg_Suspended == 0) - { - (*tt_reset_video) (); - Smg_Suspended = 1; - } - - UNBLOCK_SIGNALS; - return 0; -} - -int SLsmg_resume_smg (void) -{ - BLOCK_SIGNALS; - - if (Smg_Suspended == 0) - { - UNBLOCK_SIGNALS; - return 0; - } - - Smg_Suspended = 0; - - if (-1 == (*tt_init_video) ()) - { - UNBLOCK_SIGNALS; - return -1; - } - - Cls_Flag = 1; - SLsmg_touch_screen (); - SLsmg_refresh (); - - UNBLOCK_SIGNALS; - return 0; -} - - -static void reset_smg (void) -{ - int i; - if (Smg_Inited == 0) - return; - - for (i = 0; i < Screen_Rows; i++) - { - SLfree ((char *)SL_Screen[i].old); - SLfree ((char *)SL_Screen[i].neew); - SL_Screen[i].old = SL_Screen[i].neew = NULL; - } - This_Alt_Char = This_Color = 0; - Smg_Inited = 0; -} - - -static int init_smg (void) -{ - int i, len; - SLsmg_Char_Type *old, *neew; - - Smg_Inited = 0; - -#ifdef REQUIRES_NON_BCE_SUPPORT - Bce_Color_Offset = _SLtt_get_bce_color_offset (); -#endif - - Screen_Rows = *tt_Screen_Rows; - if (Screen_Rows > MAX_SCREEN_SIZE) - Screen_Rows = MAX_SCREEN_SIZE; - - Screen_Cols = *tt_Screen_Cols; - - This_Col = This_Row = Start_Col = Start_Row = 0; - - This_Alt_Char = 0; - SLsmg_set_color (0); - Cls_Flag = 1; -#ifndef IBMPC_SYSTEM - init_alt_char_set (); -#endif - len = Screen_Cols + 3; - for (i = 0; i < Screen_Rows; i++) - { - if ((NULL == (old = (SLsmg_Char_Type *) SLmalloc (sizeof(SLsmg_Char_Type) * len))) - || ((NULL == (neew = (SLsmg_Char_Type *) SLmalloc (sizeof(SLsmg_Char_Type) * len))))) - { - SLfree ((char *) old); - return -1; - } - blank_line (old, len, ' '); - blank_line (neew, len, ' '); - SL_Screen[i].old = old; - SL_Screen[i].neew = neew; - SL_Screen[i].flags = 0; -#ifndef IBMPC_SYSTEM - Blank_Hash = compute_hash (old, Screen_Cols); - SL_Screen[i].new_hash = SL_Screen[i].old_hash = Blank_Hash; -#endif - } - - _SLtt_color_changed_hook = SLsmg_touch_screen; - Screen_Trashed = 1; - Smg_Inited = 1; - return 0; -} - - -int SLsmg_init_smg (void) -{ - int ret; - - BLOCK_SIGNALS; - - if (Smg_Inited) - SLsmg_reset_smg (); - - if (-1 == (*tt_init_video) ()) - { - UNBLOCK_SIGNALS; - return -1; - } - - if (-1 == (ret = init_smg ())) - (void) (*tt_reset_video)(); - - UNBLOCK_SIGNALS; - return ret; -} - -int SLsmg_reinit_smg (void) -{ - int ret; - - if (Smg_Inited == 0) - return SLsmg_init_smg (); - - BLOCK_SIGNALS; - reset_smg (); - ret = init_smg (); - UNBLOCK_SIGNALS; - return ret; -} - -void SLsmg_reset_smg (void) -{ - if (Smg_Inited == 0) - return; - - BLOCK_SIGNALS; - - reset_smg (); - (*tt_reset_video)(); - - UNBLOCK_SIGNALS; -} - -SLsmg_Char_Type SLsmg_char_at (void) -{ - if (Smg_Inited == 0) return 0; - - if (point_visible (1)) - { - return SL_Screen[This_Row - Start_Row].neew[This_Col - Start_Col]; - } - return 0; -} - -void SLsmg_vprintf (char *fmt, va_list ap) -{ - char buf[1024]; - - if (Smg_Inited == 0) return; - - (void) _SLvsnprintf (buf, sizeof (buf), fmt, ap); - SLsmg_write_string (buf); -} - -void SLsmg_printf (char *fmt, ...) -{ - va_list ap; - unsigned int len; - char *f; - - if (Smg_Inited == 0) return; - - va_start(ap, fmt); - - f = fmt; - while (*f && (*f != '%')) - f++; - len = (unsigned int) (f - fmt); - if (len) SLsmg_write_nchars (fmt, len); - - if (*f != 0) - SLsmg_vprintf (f, ap); - - va_end (ap); -} - -void SLsmg_set_screen_start (int *r, int *c) -{ - int orow = Start_Row, oc = Start_Col; - - if (Smg_Inited == 0) return; - - if (c == NULL) Start_Col = 0; - else - { - Start_Col = *c; - *c = oc; - } - if (r == NULL) Start_Row = 0; - else - { - Start_Row = *r; - *r = orow; - } -} - -void SLsmg_draw_object (int r, int c, unsigned char object) -{ - This_Row = r; This_Col = c; - - if (Smg_Inited == 0) return; - - if (point_visible (1)) - { - int color = This_Color; - This_Color |= ALT_CHAR_FLAG; - SLsmg_write_char (object); - This_Color = color; - } - - This_Col = c + 1; -} - -void SLsmg_draw_hline (unsigned int n) -{ - static unsigned char hbuf[16]; - int count; - int cmin, cmax; - int final_col = This_Col + (int) n; - int save_color; - - if (Smg_Inited == 0) return; - - if ((This_Row < Start_Row) || (This_Row >= Start_Row + Screen_Rows) - || (0 == compute_clip (This_Col, n, Start_Col, Start_Col + Screen_Cols, - &cmin, &cmax))) - { - This_Col = final_col; - return; - } - - if (hbuf[0] == 0) - { - SLMEMSET ((char *) hbuf, SLSMG_HLINE_CHAR, 16); - } - - n = (unsigned int)(cmax - cmin); - count = n / 16; - - save_color = This_Color; - This_Color |= ALT_CHAR_FLAG; - This_Col = cmin; - - SLsmg_write_nchars ((char *) hbuf, n % 16); - while (count-- > 0) - { - SLsmg_write_nchars ((char *) hbuf, 16); - } - - This_Color = save_color; - This_Col = final_col; -} - -void SLsmg_draw_vline (int n) -{ - unsigned char ch = SLSMG_VLINE_CHAR; - int c = This_Col, rmin, rmax; - int final_row = This_Row + n; - int save_color; - - if (Smg_Inited == 0) return; - - if (((c < Start_Col) || (c >= Start_Col + Screen_Cols)) || - (0 == compute_clip (This_Row, n, Start_Row, Start_Row + Screen_Rows, - &rmin, &rmax))) - { - This_Row = final_row; - return; - } - - save_color = This_Color; - This_Color |= ALT_CHAR_FLAG; - - for (This_Row = rmin; This_Row < rmax; This_Row++) - { - This_Col = c; - SLsmg_write_nchars ((char *) &ch, 1); - } - - This_Col = c; This_Row = final_row; - This_Color = save_color; -} - -void SLsmg_draw_box (int r, int c, unsigned int dr, unsigned int dc) -{ - if (Smg_Inited == 0) return; - - if (!dr || !dc) return; - This_Row = r; This_Col = c; - dr--; dc--; - SLsmg_draw_hline (dc); - SLsmg_draw_vline (dr); - This_Row = r; This_Col = c; - SLsmg_draw_vline (dr); - SLsmg_draw_hline (dc); - SLsmg_draw_object (r, c, SLSMG_ULCORN_CHAR); - SLsmg_draw_object (r, c + (int) dc, SLSMG_URCORN_CHAR); - SLsmg_draw_object (r + (int) dr, c, SLSMG_LLCORN_CHAR); - SLsmg_draw_object (r + (int) dr, c + (int) dc, SLSMG_LRCORN_CHAR); - This_Row = r; This_Col = c; -} - -void SLsmg_fill_region (int r, int c, unsigned int dr, unsigned int dc, unsigned char ch) -{ - static unsigned char hbuf[16]; - int count; - int dcmax, rmax; - - if (Smg_Inited == 0) return; - - SLsmg_gotorc (r, c); - r = This_Row; c = This_Col; - - dcmax = Screen_Cols - This_Col; - if (dcmax < 0) - return; - - if (dc > (unsigned int) dcmax) dc = (unsigned int) dcmax; - - rmax = This_Row + dr; - if (rmax > Screen_Rows) rmax = Screen_Rows; - -#if 0 - ch = Alt_Char_Set[ch]; -#endif - if (ch != hbuf[0]) SLMEMSET ((char *) hbuf, (char) ch, 16); - - for (This_Row = r; This_Row < rmax; This_Row++) - { - This_Col = c; - count = dc / 16; - SLsmg_write_nchars ((char *) hbuf, dc % 16); - while (count-- > 0) - { - SLsmg_write_nchars ((char *) hbuf, 16); - } - } - - This_Row = r; -} - -void SLsmg_forward (int n) -{ - This_Col += n; -} - -void SLsmg_write_color_chars (SLsmg_Char_Type *s, unsigned int len) -{ - SLsmg_Char_Type *smax, sh; - char buf[32], *b, *bmax; - int color, save_color; - - if (Smg_Inited == 0) return; - - smax = s + len; - b = buf; - bmax = b + sizeof (buf); - - save_color = This_Color; - - while (s < smax) - { - sh = *s++; - - color = SLSMG_EXTRACT_COLOR(sh); - -#if REQUIRES_NON_BCE_SUPPORT - if (Bce_Color_Offset) - { - if (color & 0x80) - color = ((color & 0x7F) + Bce_Color_Offset) | 0x80; - else - color = ((color & 0x7F) + Bce_Color_Offset) & 0x7F; - } -#endif - - if ((color != This_Color) || (b == bmax)) - { - if (b != buf) - { - SLsmg_write_nchars (buf, (int) (b - buf)); - b = buf; - } - This_Color = color; - } - *b++ = (char) SLSMG_EXTRACT_CHAR(sh); - } - - if (b != buf) - SLsmg_write_nchars (buf, (unsigned int) (b - buf)); - - This_Color = save_color; -} - -unsigned int SLsmg_read_raw (SLsmg_Char_Type *buf, unsigned int len) -{ - unsigned int r, c; - - if (Smg_Inited == 0) return 0; - - if (0 == point_visible (1)) return 0; - - r = (unsigned int) (This_Row - Start_Row); - c = (unsigned int) (This_Col - Start_Col); - - if (c + len > (unsigned int) Screen_Cols) - len = (unsigned int) Screen_Cols - c; - - memcpy ((char *) buf, (char *) (SL_Screen[r].neew + c), len * sizeof (SLsmg_Char_Type)); - return len; -} - -unsigned int SLsmg_write_raw (SLsmg_Char_Type *buf, unsigned int len) -{ - unsigned int r, c; - SLsmg_Char_Type *dest; - - if (Smg_Inited == 0) return 0; - - if (0 == point_visible (1)) return 0; - - r = (unsigned int) (This_Row - Start_Row); - c = (unsigned int) (This_Col - Start_Col); - - if (c + len > (unsigned int) Screen_Cols) - len = (unsigned int) Screen_Cols - c; - - dest = SL_Screen[r].neew + c; - - if (0 != memcmp ((char *) dest, (char *) buf, len * sizeof (SLsmg_Char_Type))) - { - memcpy ((char *) dest, (char *) buf, len * sizeof (SLsmg_Char_Type)); - SL_Screen[r].flags |= TOUCHED; - } - return len; -} - -void -SLsmg_set_color_in_region (int color, int r, int c, unsigned int dr, unsigned int dc) -{ - int cmax, rmax; - SLsmg_Char_Type char_mask; - - if (Smg_Inited == 0) return; - - c -= Start_Col; - r -= Start_Row; - - cmax = c + (int) dc; - rmax = r + (int) dr; - - if (cmax > Screen_Cols) cmax = Screen_Cols; - if (rmax > Screen_Rows) rmax = Screen_Rows; - - if (c < 0) c = 0; - if (r < 0) r = 0; - -#if REQUIRES_NON_BCE_SUPPORT - if (Bce_Color_Offset) - { - if (color & 0x80) - color = ((color & 0x7F) + Bce_Color_Offset) | 0x80; - else - color = ((color & 0x7F) + Bce_Color_Offset) & 0x7F; - } -#endif - color = color << 8; - - char_mask = 0xFF; - -#ifndef IBMPC_SYSTEM - if ((tt_Use_Blink_For_ACS == NULL) - || (0 == *tt_Use_Blink_For_ACS)) - char_mask = 0x80FF; -#endif - - while (r < rmax) - { - SLsmg_Char_Type *s, *smax; - - SL_Screen[r].flags |= TOUCHED; - s = SL_Screen[r].neew; - smax = s + cmax; - s += c; - - while (s < smax) - { - *s = (*s & char_mask) | color; - s++; - } - r++; - } -} - -void SLsmg_set_terminal_info (SLsmg_Term_Type *tt) -{ - if (tt == NULL) /* use default */ - return; - - if ((tt->tt_normal_video == NULL) - || (tt->tt_goto_rc == NULL) - || (tt->tt_cls == NULL) - || (tt->tt_del_eol == NULL) - || (tt->tt_smart_puts == NULL) - || (tt->tt_flush_output == NULL) - || (tt->tt_reset_video == NULL) - || (tt->tt_init_video == NULL) -#ifndef IBMPC_SYSTEM - || (tt->tt_set_scroll_region == NULL) - || (tt->tt_reverse_index == NULL) - || (tt->tt_reset_scroll_region == NULL) - || (tt->tt_delete_nlines == NULL) - /* Variables */ - || (tt->tt_term_cannot_scroll == NULL) - || (tt->tt_has_alt_charset == NULL) -#if 0 /* These can be NULL */ - || (tt->tt_use_blink_for_acs == NULL) - || (tt->tt_graphic_char_pairs == NULL) -#endif - || (tt->tt_screen_cols == NULL) - || (tt->tt_screen_rows == NULL) -#endif - ) - SLang_exit_error ("Terminal not powerful enough for SLsmg"); - - tt_normal_video = tt->tt_normal_video; - tt_goto_rc = tt->tt_goto_rc; - tt_cls = tt->tt_cls; - tt_del_eol = tt->tt_del_eol; - tt_smart_puts = tt->tt_smart_puts; - tt_flush_output = tt->tt_flush_output; - tt_reset_video = tt->tt_reset_video; - tt_init_video = tt->tt_init_video; - -#ifndef IBMPC_SYSTEM - tt_set_scroll_region = tt->tt_set_scroll_region; - tt_reverse_index = tt->tt_reverse_index; - tt_reset_scroll_region = tt->tt_reset_scroll_region; - tt_delete_nlines = tt->tt_delete_nlines; - - tt_Term_Cannot_Scroll = tt->tt_term_cannot_scroll; - tt_Has_Alt_Charset = tt->tt_has_alt_charset; - tt_Use_Blink_For_ACS = tt->tt_use_blink_for_acs; - tt_Graphics_Char_Pairs = tt->tt_graphic_char_pairs; -#endif - - tt_Screen_Cols = tt->tt_screen_cols; - tt_Screen_Rows = tt->tt_screen_rows; -} - diff --git a/mdk-stage1/slang/slstd.c b/mdk-stage1/slang/slstd.c deleted file mode 100644 index b05dfcddb..000000000 --- a/mdk-stage1/slang/slstd.c +++ /dev/null @@ -1,724 +0,0 @@ -/* -*- mode: C; mode: fold; -*- */ -/* Standard intrinsic functions for S-Lang. Included here are string - and array operations */ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" -/*{{{ Include Files */ - -#include <time.h> - -#ifndef __QNX__ -# if defined(__GO32__) || defined(__WATCOMC__) -# include <dos.h> -# include <bios.h> -# endif -#endif - -#if SLANG_HAS_FLOAT -# include <math.h> -#endif - -#include "slang.h" -#include "_slang.h" - -/*}}}*/ - -/* builtin stack manipulation functions */ -int SLdo_pop(void) /*{{{*/ -{ - return SLdo_pop_n (1); -} - -/*}}}*/ - -int SLdo_pop_n (unsigned int n) -{ - SLang_Object_Type x; - - while (n--) - { - if (SLang_pop(&x)) return -1; - SLang_free_object (&x); - } - - return 0; -} - -static void do_dup(void) /*{{{*/ -{ - (void) SLdup_n (1); -} - -/*}}}*/ - -static int length_cmd (void) -{ - SLang_Class_Type *cl; - SLang_Object_Type obj; - VOID_STAR p; - unsigned int length; - int len; - - if (-1 == SLang_pop (&obj)) - return -1; - - cl = _SLclass_get_class (obj.data_type); - p = _SLclass_get_ptr_to_value (cl, &obj); - - len = 1; - if (cl->cl_length != NULL) - { - if (0 == (*cl->cl_length)(obj.data_type, p, &length)) - len = (int) length; - else - len = -1; - } - - SLang_free_object (&obj); - return len; -} - -/* convert integer to a string of length 1 */ -static void char_cmd (int *x) /*{{{*/ -{ - char ch, buf[2]; - - ch = (char) *x; - buf[0] = ch; - buf[1] = 0; - SLang_push_string (buf); -} - -/*}}}*/ - -/* format object into a string and returns slstring */ -char *_SLstringize_object (SLang_Object_Type *obj) /*{{{*/ -{ - SLang_Class_Type *cl; - unsigned char stype; - VOID_STAR p; - char *s, *s1; - - stype = obj->data_type; - p = (VOID_STAR) &obj->v.ptr_val; - - cl = _SLclass_get_class (stype); - - s = (*cl->cl_string) (stype, p); - if (s != NULL) - { - s1 = SLang_create_slstring (s); - SLfree (s); - s = s1; - } - return s; -} -/*}}}*/ - -int SLang_run_hooks(char *hook, unsigned int num_args, ...) -{ - unsigned int i; - va_list ap; - - if (SLang_Error) return -1; - - if (0 == SLang_is_defined (hook)) - return 0; - - (void) SLang_start_arg_list (); - va_start (ap, num_args); - for (i = 0; i < num_args; i++) - { - char *arg; - - arg = va_arg (ap, char *); - if (-1 == SLang_push_string (arg)) - break; - } - va_end (ap); - (void) SLang_end_arg_list (); - - if (SLang_Error) return -1; - return SLang_execute_function (hook); -} - -static void intrin_getenv_cmd (char *s) -{ - SLang_push_string (getenv (s)); -} - -#ifdef HAVE_PUTENV -static void intrin_putenv (void) /*{{{*/ -{ - char *s; - - /* Some putenv implementations required malloced strings. */ - if (SLpop_string(&s)) return; - - if (putenv (s)) - { - SLang_Error = SL_INTRINSIC_ERROR; - SLfree (s); - } - - /* Note that s is NOT freed */ -} - -/*}}}*/ - -#endif - -static void lang_print_stack (void) /*{{{*/ -{ - char buf[32]; - unsigned int n; - - n = (unsigned int) (_SLStack_Pointer - _SLRun_Stack); - while (n) - { - n--; - sprintf (buf, "(%u)", n); - _SLdump_objects (buf, _SLRun_Stack + n, 1, 1); - } -} - -/*}}}*/ - -static void byte_compile_file (char *f, int *m) -{ - SLang_byte_compile_file (f, *m); -} - -static void intrin_type_info1 (void) -{ - SLang_Object_Type obj; - unsigned int type; - - if (-1 == SLang_pop (&obj)) - return; - - type = obj.data_type; - if (type == SLANG_ARRAY_TYPE) - type = obj.v.array_val->data_type; - - SLang_free_object (&obj); - - _SLang_push_datatype (type); -} - -static void intrin_type_info (void) -{ - SLang_Object_Type obj; - - if (-1 == SLang_pop (&obj)) - return; - - _SLang_push_datatype (obj.data_type); - SLang_free_object (&obj); -} - -void _SLstring_intrinsic (void) /*{{{*/ -{ - SLang_Object_Type x; - char *s; - - if (SLang_pop (&x)) return; - if (NULL != (s = _SLstringize_object (&x))) - _SLang_push_slstring (s); - - SLang_free_object (&x); -} - -/*}}}*/ - -static void intrin_typecast (void) -{ - unsigned char to_type; - if (0 == _SLang_pop_datatype (&to_type)) - (void) SLclass_typecast (to_type, 0, 1); -} - -#if SLANG_HAS_FLOAT -static void intrin_double (void) -{ - (void) SLclass_typecast (SLANG_DOUBLE_TYPE, 0, 1); -} - -#endif - -static void intrin_int (void) /*{{{*/ -{ - (void) SLclass_typecast (SLANG_INT_TYPE, 0, 1); -} - -/*}}}*/ - -static char * -intrin_function_name (void) -{ - if (NULL == _SLang_Current_Function_Name) - return ""; - return _SLang_Current_Function_Name; -} - -static void intrin_message (char *s) -{ - SLang_vmessage ("%s", s); -} - -static void intrin_error (char *s) -{ - SLang_verror (SL_USER_ERROR, "%s", s); -} - -static void intrin_pop_n (int *n) -{ - SLdo_pop_n ((unsigned int) *n); -} - -static void intrin_reverse_stack (int *n) -{ - SLreverse_stack (*n); -} - -static void intrin_roll_stack (int *n) -{ - SLroll_stack (*n); -} - -static void usage (void) -{ - char *msg; - - _SLstrops_do_sprintf_n (SLang_Num_Function_Args - 1); /* do not include format */ - - if (-1 == SLang_pop_slstring (&msg)) - return; - - SLang_verror (SL_USAGE_ERROR, "Usage: %s", msg); - SLang_free_slstring (msg); -} - -/* Convert string to integer */ -static int intrin_integer (char *s) -{ - int i; - - i = SLatoi ((unsigned char *) s); - - if (SLang_Error) - SLang_verror (SL_TYPE_MISMATCH, "Unable to convert string to integer"); - return i; -} -/*}}}*/ - -static void guess_type (char *s) -{ - _SLang_push_datatype (SLang_guess_type(s)); -} - -static int load_file (char *s) -{ - if (-1 == SLang_load_file (s)) - return 0; - return 1; -} - -static void get_doc_string (char *file, char *topic) -{ - FILE *fp; - char line[1024]; - unsigned int topic_len, str_len; - char *str; - char ch; - - if (NULL == (fp = fopen (file, "r"))) - { - SLang_push_null (); - return; - } - - topic_len = strlen (topic); - ch = *topic; - - while (1) - { - if (NULL == fgets (line, sizeof(line), fp)) - { - fclose (fp); - (void) SLang_push_null (); - return; - } - - if ((ch == *line) - && (0 == strncmp (line, topic, topic_len)) - && ((line[topic_len] == '\n') || (line [topic_len] == 0) - || (line[topic_len] == ' ') || (line[topic_len] == '\t'))) - break; - } - - if (NULL == (str = SLmake_string (line))) - { - fclose (fp); - (void) SLang_push_null (); - return; - } - str_len = strlen (str); - - while (NULL != fgets (line, sizeof (line), fp)) - { - unsigned int len; - char *new_str; - - ch = *line; - if (ch == '#') continue; - if (ch == '-') break; - - len = strlen (line); - if (NULL == (new_str = SLrealloc (str, str_len + len + 1))) - { - SLfree (str); - str = NULL; - break; - } - str = new_str; - strcpy (str + str_len, line); - str_len += len; - } - - fclose (fp); - - (void) SLang_push_malloced_string (str); -} - -static int push_string_array_elements (SLang_Array_Type *at) -{ - char **strs; - unsigned int num; - unsigned int i; - - if (at == NULL) - return -1; - - strs = (char **)at->data; - num = at->num_elements; - for (i = 0; i < num; i++) - { - if (-1 == SLang_push_string (strs[i])) - { - SLdo_pop_n (i); - return -1; - } - } - SLang_push_integer ((int) num); - return 0; -} - - -static void intrin_apropos (void) -{ - int num_args; - char *pat; - char *namespace_name; - unsigned int flags; - SLang_Array_Type *at; - - num_args = SLang_Num_Function_Args; - - if (-1 == SLang_pop_uinteger (&flags)) - return; - if (-1 == SLang_pop_slstring (&pat)) - return; - - namespace_name = NULL; - at = NULL; - if (num_args == 3) - { - if (-1 == SLang_pop_slstring (&namespace_name)) - goto free_and_return; - } - - at = _SLang_apropos (namespace_name, pat, flags); - if (num_args == 3) - { - (void) SLang_push_array (at, 0); - goto free_and_return; - } - - /* Maintain compatibility with old version of the function. That version - * did not take three arguments and returned everything to the stack. - * Yuk. - */ - (void) push_string_array_elements (at); - - free_and_return: - /* NULLs ok */ - SLang_free_slstring (namespace_name); - SLang_free_slstring (pat); - SLang_free_array (at); -} - -static int intrin_get_defines (void) -{ - int n = 0; - char **s = _SLdefines; - - while (*s != NULL) - { - if (-1 == SLang_push_string (*s)) - { - SLdo_pop_n ((unsigned int) n); - return -1; - } - s++; - n++; - } - return n; -} - -static void intrin_get_reference (char *name) -{ - _SLang_push_ref (1, (VOID_STAR) _SLlocate_name (name)); -} - -#ifdef HAVE_SYS_UTSNAME_H -# include <sys/utsname.h> -#endif - -static void uname_cmd (void) -{ -#ifdef HAVE_UNAME - struct utsname u; - char *field_names [6]; - unsigned char field_types[6]; - VOID_STAR field_values [6]; - char *ptrs[6]; - int i; - - if (-1 == uname (&u)) - (void) SLang_push_null (); - - field_names[0] = "sysname"; ptrs[0] = u.sysname; - field_names[1] = "nodename"; ptrs[1] = u.nodename; - field_names[2] = "release"; ptrs[2] = u.release; - field_names[3] = "version"; ptrs[3] = u.version; - field_names[4] = "machine"; ptrs[4] = u.machine; - - for (i = 0; i < 5; i++) - { - field_types[i] = SLANG_STRING_TYPE; - field_values[i] = (VOID_STAR) &ptrs[i]; - } - - if (0 == SLstruct_create_struct (5, field_names, field_types, field_values)) - return; -#endif - - SLang_push_null (); -} - -static void uninitialize_ref_intrin (SLang_Ref_Type *ref) -{ - (void) _SLang_uninitialize_ref (ref); -} - -static SLang_Intrin_Fun_Type SLang_Basic_Table [] = /*{{{*/ -{ - MAKE_INTRINSIC_1("__is_initialized", _SLang_is_ref_initialized, SLANG_INT_TYPE, SLANG_REF_TYPE), - MAKE_INTRINSIC_S("__get_reference", intrin_get_reference, SLANG_VOID_TYPE), - MAKE_INTRINSIC_1("__uninitialize", uninitialize_ref_intrin, SLANG_VOID_TYPE, SLANG_REF_TYPE), - MAKE_INTRINSIC_SS("get_doc_string_from_file", get_doc_string, SLANG_VOID_TYPE), - MAKE_INTRINSIC_SS("autoload", SLang_autoload, SLANG_VOID_TYPE), - MAKE_INTRINSIC_S("is_defined", SLang_is_defined, SLANG_INT_TYPE), - MAKE_INTRINSIC_0("string", _SLstring_intrinsic, SLANG_VOID_TYPE), - MAKE_INTRINSIC_0("uname", uname_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_S("getenv", intrin_getenv_cmd, SLANG_VOID_TYPE), -#ifdef HAVE_PUTENV - MAKE_INTRINSIC_0("putenv", intrin_putenv, SLANG_VOID_TYPE), -#endif - MAKE_INTRINSIC_S("evalfile", load_file, SLANG_INT_TYPE), - MAKE_INTRINSIC_I("char", char_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_S("eval", SLang_load_string, SLANG_VOID_TYPE), - MAKE_INTRINSIC_0("dup", do_dup, SLANG_VOID_TYPE), - MAKE_INTRINSIC_S("integer", intrin_integer, SLANG_INT_TYPE), - MAKE_INTRINSIC_S("system", SLsystem, SLANG_INT_TYPE), - MAKE_INTRINSIC_0("_apropos", intrin_apropos, SLANG_VOID_TYPE), - MAKE_INTRINSIC_S("_trace_function", _SLang_trace_fun, SLANG_VOID_TYPE), -#if SLANG_HAS_FLOAT - MAKE_INTRINSIC_S("atof", _SLang_atof, SLANG_DOUBLE_TYPE), - MAKE_INTRINSIC_0("double", intrin_double, SLANG_VOID_TYPE), -#endif - MAKE_INTRINSIC_0("int", intrin_int, SLANG_VOID_TYPE), - MAKE_INTRINSIC_0("typecast", intrin_typecast, SLANG_VOID_TYPE), - MAKE_INTRINSIC_0("_stkdepth", _SLstack_depth, SLANG_INT_TYPE), - MAKE_INTRINSIC_I("_stk_reverse", intrin_reverse_stack, SLANG_VOID_TYPE), - MAKE_INTRINSIC_0("typeof", intrin_type_info, VOID_TYPE), - MAKE_INTRINSIC_0("_typeof", intrin_type_info1, VOID_TYPE), - MAKE_INTRINSIC_I("_pop_n", intrin_pop_n, SLANG_VOID_TYPE), - MAKE_INTRINSIC_0("_print_stack", lang_print_stack, SLANG_VOID_TYPE), - MAKE_INTRINSIC_I("_stk_roll", intrin_roll_stack, SLANG_VOID_TYPE), - MAKE_INTRINSIC_SI("byte_compile_file", byte_compile_file, SLANG_VOID_TYPE), - MAKE_INTRINSIC_0("_clear_error", _SLang_clear_error, SLANG_VOID_TYPE), - MAKE_INTRINSIC_0("_function_name", intrin_function_name, SLANG_STRING_TYPE), -#if SLANG_HAS_FLOAT - MAKE_INTRINSIC_S("set_float_format", _SLset_double_format, SLANG_VOID_TYPE), -#endif - MAKE_INTRINSIC_S("_slang_guess_type", guess_type, SLANG_VOID_TYPE), - MAKE_INTRINSIC_S("error", intrin_error, SLANG_VOID_TYPE), - MAKE_INTRINSIC_S("message", intrin_message, SLANG_VOID_TYPE), - MAKE_INTRINSIC_0("__get_defined_symbols", intrin_get_defines, SLANG_INT_TYPE), - MAKE_INTRINSIC_I("__pop_args", _SLstruct_pop_args, SLANG_VOID_TYPE), - MAKE_INTRINSIC_1("__push_args", _SLstruct_push_args, SLANG_VOID_TYPE, SLANG_ARRAY_TYPE), - MAKE_INTRINSIC_0("usage", usage, SLANG_VOID_TYPE), - MAKE_INTRINSIC_S("implements", _SLang_implements_intrinsic, SLANG_VOID_TYPE), - MAKE_INTRINSIC_S("use_namespace", _SLang_use_namespace_intrinsic, SLANG_VOID_TYPE), - MAKE_INTRINSIC_0("current_namespace", _SLang_cur_namespace_intrinsic, SLANG_STRING_TYPE), - MAKE_INTRINSIC_0("length", length_cmd, SLANG_INT_TYPE), - SLANG_END_INTRIN_FUN_TABLE -}; - -/*}}}*/ - -#ifdef SLANG_DOC_DIR -char *SLang_Doc_Dir = SLANG_DOC_DIR; -#else -char *SLang_Doc_Dir = ""; -#endif - -static SLang_Intrin_Var_Type Intrin_Vars[] = -{ - MAKE_VARIABLE("_debug_info", &_SLang_Compile_Line_Num_Info, SLANG_INT_TYPE, 0), - MAKE_VARIABLE("_auto_declare", &_SLang_Auto_Declare_Globals, SLANG_INT_TYPE, 0), - MAKE_VARIABLE("_traceback", &SLang_Traceback, SLANG_INT_TYPE, 0), - MAKE_VARIABLE("_slangtrace", &_SLang_Trace, SLANG_INT_TYPE, 0), - MAKE_VARIABLE("_slang_version", &SLang_Version, SLANG_INT_TYPE, 1), - MAKE_VARIABLE("_slang_version_string", &SLang_Version_String, SLANG_STRING_TYPE, 1), - MAKE_VARIABLE("_NARGS", &SLang_Num_Function_Args, SLANG_INT_TYPE, 1), - MAKE_VARIABLE("_slang_doc_dir", &SLang_Doc_Dir, SLANG_STRING_TYPE, 1), - MAKE_VARIABLE("NULL", NULL, SLANG_NULL_TYPE, 1), - SLANG_END_INTRIN_VAR_TABLE -}; - -int SLang_init_slang (void) /*{{{*/ -{ - char name[3]; - unsigned int i; - char **s; - static char *sys_defines [] = - { -#if defined(__os2__) - "OS2", -#endif -#if defined(__MSDOS__) - "MSDOS", -#endif -#if defined(__WIN16__) - "WIN16", -#endif -#if defined (__WIN32__) - "WIN32", -#endif -#if defined(__NT__) - "NT", -#endif -#if defined (VMS) - "VMS", -#endif -#ifdef REAL_UNIX_SYSTEM - "UNIX", -#endif -#if SLANG_HAS_FLOAT - "SLANG_DOUBLE_TYPE", -#endif - NULL - }; - - if (-1 == _SLregister_types ()) return -1; - - if ((-1 == SLadd_intrin_fun_table(SLang_Basic_Table, NULL)) - || (-1 == SLadd_intrin_var_table (Intrin_Vars, NULL)) - || (-1 == _SLang_init_slstrops ()) - || (-1 == _SLang_init_sltime ()) - || (-1 == _SLstruct_init ()) -#if SLANG_HAS_COMPLEX - || (-1 == _SLinit_slcomplex ()) -#endif -#if SLANG_HAS_ASSOC_ARRAYS - || (-1 == SLang_init_slassoc ()) -#endif - ) - return -1; - - SLadd_global_variable (SLANG_SYSTEM_NAME); - - s = sys_defines; - while (*s != NULL) - { - if (-1 == SLdefine_for_ifdef (*s)) return -1; - s++; - } - - /* give temp global variables $0 --> $9 */ - name[2] = 0; name[0] = '$'; - for (i = 0; i < 10; i++) - { - name[1] = (char) (i + '0'); - SLadd_global_variable (name); - } - - SLang_init_case_tables (); - - /* Now add a couple of macros */ - SLang_load_string (".(_NARGS 1 - Sprintf error)verror"); - SLang_load_string (".(_NARGS 1 - Sprintf message)vmessage"); - - if (SLang_Error) - return -1; - - return 0; -} - -/*}}}*/ - -int SLang_set_argc_argv (int argc, char **argv) -{ - static int this_argc; - static char **this_argv; - int i; - - if (argc < 0) argc = 0; - this_argc = argc; - - if (NULL == (this_argv = (char **) SLmalloc ((argc + 1) * sizeof (char *)))) - return -1; - memset ((char *) this_argv, 0, sizeof (char *) * (argc + 1)); - - for (i = 0; i < argc; i++) - { - if (NULL == (this_argv[i] = SLang_create_slstring (argv[i]))) - goto return_error; - } - - if (-1 == SLadd_intrinsic_variable ("__argc", (VOID_STAR)&this_argc, - SLANG_INT_TYPE, 1)) - goto return_error; - - if (-1 == SLang_add_intrinsic_array ("__argv", SLANG_STRING_TYPE, 1, - (VOID_STAR) this_argv, 1, argc)) - goto return_error; - - return 0; - - return_error: - for (i = 0; i < argc; i++) - SLang_free_slstring (this_argv[i]); /* NULL ok */ - SLfree ((char *) this_argv); - - return -1; -} diff --git a/mdk-stage1/slang/slstdio.c b/mdk-stage1/slang/slstdio.c deleted file mode 100644 index 05db1af77..000000000 --- a/mdk-stage1/slang/slstdio.c +++ /dev/null @@ -1,1050 +0,0 @@ -/* file stdio intrinsics for S-Lang */ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#if defined(__unix__) || (defined (__os2__) && defined (__EMX__)) -# include <sys/types.h> -#endif - -#ifdef HAVE_FCNTL_H -# include <fcntl.h> -#endif -#ifdef HAVE_SYS_FCNTL_H -# include <sys/fcntl.h> -#endif - -#ifdef __unix__ -# include <sys/file.h> -#endif - -#if defined(__BORLANDC__) -# include <io.h> -# include <dir.h> -#endif - -#if defined(__DECC) && defined(VMS) -# include <unixio.h> -# include <unixlib.h> -#endif - -#ifdef VMS -# include <stat.h> -#else -# include <sys/stat.h> -#endif - -#include <errno.h> - -#define SL_APP_WANTS_FOREACH -#include "slang.h" -#include "_slang.h" - -typedef struct -{ - FILE *fp; /* kind of obvious */ - char *file; /* file name associated with pointer */ - - unsigned int flags; /* modes, etc... */ -#define SL_READ 0x0001 -#define SL_WRITE 0x0002 -#define SL_BINARY 0x0004 -#define SL_FDOPEN 0x2000 -#define SL_PIPE 0x4000 -#define SL_INUSE 0x8000 -} -SL_File_Table_Type; - -static SL_File_Table_Type *SL_File_Table; - -static SL_File_Table_Type *get_free_file_table_entry (void) -{ - SL_File_Table_Type *t = SL_File_Table, *tmax; - - tmax = t + SL_MAX_FILES; - while (t < tmax) - { - if (t->flags == 0) - { - memset ((char *) t, 0, sizeof (SL_File_Table_Type)); - return t; - } - t++; - } - - return NULL; -} - -static unsigned int file_process_flags (char *mode) -{ - char ch; - unsigned int flags = 0; - - while (1) - { - ch = *mode++; - switch (ch) - { - case 'r': flags |= SL_READ; - break; - case 'w': - case 'a': - case 'A': - flags |= SL_WRITE; - break; - case '+': flags |= SL_WRITE | SL_READ; - break; - case 'b': flags |= SL_BINARY; - break; - case 0: - return flags; - - default: - SLang_verror (SL_INVALID_PARM, "File flag %c is not supported", ch); - return 0; - } - } -} - -static int open_file_type (char *file, int fd, char *mode, - FILE *(*open_fun)(char *, char *), - int (*close_fun)(FILE *), - unsigned int xflags) -{ - FILE *fp; - SL_File_Table_Type *t; - unsigned int flags; - SLang_MMT_Type *mmt; - - fp = NULL; - t = NULL; - mmt = NULL; - - if ((NULL == (t = get_free_file_table_entry ())) - || (0 == (flags = file_process_flags(mode)))) - goto return_error; - - if (fd != -1) - fp = fdopen (fd, mode); - else - fp = open_fun (file, mode); - - if (fp == NULL) - { - _SLerrno_errno = errno; - goto return_error; - } - - if (NULL == (mmt = SLang_create_mmt (SLANG_FILE_PTR_TYPE, (VOID_STAR) t))) - goto return_error; - - t->fp = fp; - t->flags = flags | xflags; - fp = NULL; /* allow free_mmt to close fp */ - - if ((NULL != (t->file = SLang_create_slstring (file))) - && (0 == SLang_push_mmt (mmt))) - return 0; - - /* drop */ - - return_error: - if (fp != NULL) (*close_fun) (fp); - if (mmt != NULL) SLang_free_mmt (mmt); - (void) SLang_push_null (); - return -1; -} - -/* Since some compilers do not have popen/pclose prototyped and in scope, - * and pc compilers sometimes have silly prototypes involving PASCAL, etc. - * use wrappers around the function to avoid compilation errors. - */ - -static FILE *fopen_fun (char *f, char *m) -{ - return fopen (f, m); -} -static int fclose_fun (FILE *fp) -{ - return fclose (fp); -} - -static void stdio_fopen (char *file, char *mode) -{ - (void) open_file_type (file, -1, mode, fopen_fun, fclose_fun, 0); -} - -int _SLstdio_fdopen (char *file, int fd, char *mode) -{ - if (fd == -1) - { - _SLerrno_errno = EBADF; - (void) SLang_push_null (); - return -1; - } - - return open_file_type (file, fd, mode, NULL, fclose_fun, SL_FDOPEN); -} - -#ifdef HAVE_POPEN -static int pclose_fun (FILE *fp) -{ - return pclose (fp); -} - -static FILE *popen_fun (char *file, char *mode) -{ - return popen (file, mode); -} - -static void stdio_popen (char *file, char *mode) -{ - (void) open_file_type (file, -1, mode, popen_fun, pclose_fun, SL_PIPE); -} -#endif - -/* returns pointer to file entry if it is open and consistent with - flags. Returns NULL otherwise */ -static SLang_MMT_Type *pop_fp (unsigned int flags, FILE **fp_ptr) -{ - SL_File_Table_Type *t; - SLang_MMT_Type *mmt; - - *fp_ptr = NULL; - - if (NULL == (mmt = SLang_pop_mmt (SLANG_FILE_PTR_TYPE))) - return NULL; - - t = (SL_File_Table_Type *) SLang_object_from_mmt (mmt); - if ((t->flags & flags) - && (NULL != (*fp_ptr = t->fp))) - return mmt; - - SLang_free_mmt (mmt); - return NULL; -} - -static FILE *check_fp (SL_File_Table_Type *t, unsigned flags) -{ - if ((t != NULL) && (t->flags & flags)) - return t->fp; - - return NULL; -} - -char *SLang_get_name_from_fileptr (SLang_MMT_Type *mmt) -{ - SL_File_Table_Type *ft; - - ft = (SL_File_Table_Type *) SLang_object_from_mmt (mmt); - if (ft == NULL) - return NULL; - return ft->file; -} - -int SLang_pop_fileptr (SLang_MMT_Type **mmt, FILE **fp) -{ - if (NULL == (*mmt = pop_fp (0xFFFF, fp))) - { -#ifdef EBADF - _SLerrno_errno = EBADF; -#endif - return -1; - } - - return 0; -} - -static int close_file_type (SL_File_Table_Type *t) -{ - int ret = 0; - FILE *fp; - - if (t == NULL) - return -1; - - fp = t->fp; - - if (NULL == fp) ret = -1; - else - { - if (0 == (t->flags & SL_PIPE)) - { - if (EOF == (ret = fclose (fp))) - _SLerrno_errno = errno; - } -#ifdef HAVE_POPEN - else - { - if (-1 == (ret = pclose (fp))) - _SLerrno_errno = errno; - } -#endif - } - - if (t->file != NULL) SLang_free_slstring (t->file); - memset ((char *) t, 0, sizeof (SL_File_Table_Type)); - return ret; -} - -static int stdio_fclose (SL_File_Table_Type *t) -{ - int ret; - - if (NULL == check_fp (t, 0xFFFF)) - return -1; - - ret = close_file_type (t); - - t->flags = SL_INUSE; - return ret; -} - -static int read_one_line (FILE *fp, char **strp, unsigned int *lenp) -{ - char buf[512]; - char *str; - unsigned int len; - - *strp = NULL; - len = 0; - str = NULL; - - while (NULL != fgets (buf, sizeof (buf), fp)) - { - unsigned int dlen; - char *new_str; - int done_flag; - - dlen = strlen (buf); - /* Note: If the file contains embedded \0 characters, then this - * fails to work properly since dlen will not be correct. - */ - done_flag = ((dlen + 1 < sizeof (buf)) - || (buf[dlen - 1] == '\n')); - - if (done_flag && (str == NULL)) - { - /* Avoid the malloc */ - str = buf; - len = dlen; - break; - } - - if (NULL == (new_str = SLrealloc (str, len + dlen + 1))) - { - SLfree (str); - return -1; - } - - str = new_str; - strcpy (str + len, buf); - len += dlen; - - if (done_flag) break; - } - - if (str == NULL) - return 0; - - *strp = SLang_create_nslstring (str, len); - if (str != buf) SLfree (str); - - if (*strp == NULL) return -1; - - *lenp = len; - return 1; -} - -/* returns number of characters read and pushes the string to the stack. - If it fails, it returns -1 */ -static int stdio_fgets (SLang_Ref_Type *ref, SL_File_Table_Type *t) -{ - char *s; - unsigned int len; - FILE *fp; - int status; - - if (NULL == (fp = check_fp (t, SL_READ))) - return -1; - - status = read_one_line (fp, &s, &len); - if (status <= 0) - return -1; - - status = SLang_assign_to_ref (ref, SLANG_STRING_TYPE, (VOID_STAR)&s); - SLang_free_slstring (s); - - if (status == -1) - return -1; - - return (int) len; -} - -static void stdio_fgetslines_internal (FILE *fp, unsigned int n) -{ - unsigned int num_lines, max_num_lines; - char **list; - SLang_Array_Type *at; - int inum_lines; - - if (n > 1024) - max_num_lines = 1024; - else - { - max_num_lines = n; - if (max_num_lines == 0) - max_num_lines++; - } - - list = (char **) SLmalloc (sizeof (char *) * max_num_lines); - if (list == NULL) - return; - - num_lines = 0; - while (num_lines < n) - { - int status; - char *line; - unsigned int len; - - status = read_one_line (fp, &line, &len); - if (status == -1) - goto return_error; - - if (status == 0) - break; - - if (max_num_lines == num_lines) - { - char **new_list; - - if (max_num_lines + 4096 > n) - max_num_lines = n; - else - max_num_lines += 4096; - - new_list = (char **) SLrealloc ((char *)list, sizeof (char *) * max_num_lines); - if (new_list == NULL) - { - SLang_free_slstring (line); - goto return_error; - } - list = new_list; - } - - list[num_lines] = line; - num_lines++; - } - - if (num_lines != max_num_lines) - { - char **new_list; - - new_list = (char **)SLrealloc ((char *)list, sizeof (char *) * (num_lines + 1)); - if (new_list == NULL) - goto return_error; - - list = new_list; - } - - inum_lines = (int) num_lines; - if (NULL == (at = SLang_create_array (SLANG_STRING_TYPE, 0, (VOID_STAR) list, &inum_lines, 1))) - goto return_error; - - if (-1 == SLang_push_array (at, 1)) - SLang_push_null (); - return; - - return_error: - while (num_lines > 0) - { - num_lines--; - SLfree (list[num_lines]); - } - SLfree ((char *)list); - SLang_push_null (); -} - -static void stdio_fgetslines (void) -{ - unsigned int n; - FILE *fp; - SLang_MMT_Type *mmt; - - n = (unsigned int)-1; - - if (SLang_Num_Function_Args == 2) - { - if (-1 == SLang_pop_uinteger (&n)) - return; - } - - if (NULL == (mmt = pop_fp (SL_READ, &fp))) - { - SLang_push_null (); - return; - } - - stdio_fgetslines_internal (fp, n); - SLang_free_mmt (mmt); -} - - -static int stdio_fputs (char *s, SL_File_Table_Type *t) -{ - FILE *fp; - - if (NULL == (fp = check_fp (t, SL_WRITE))) - return -1; - - if (EOF == fputs(s, fp)) return -1; - return (int) strlen (s); -} - -static int stdio_fflush (SL_File_Table_Type *t) -{ - FILE *fp; - - if (NULL == (fp = check_fp (t, SL_WRITE))) - return -1; - - if (EOF == fflush (fp)) - { - _SLerrno_errno = errno; - return -1; - } - - return 0; -} - -/* Usage: n = fread (&str, data-type, nelems, fp); */ -static void stdio_fread (SLang_Ref_Type *ref, int *data_typep, unsigned int *num_elemns, SL_File_Table_Type *t) -{ - char *s; - FILE *fp; - int ret; - unsigned int num_read, num_to_read; - unsigned int nbytes; - SLang_Class_Type *cl; - unsigned int sizeof_type; - int data_type; - - ret = -1; - s = NULL; - cl = NULL; - - if (NULL == (fp = check_fp (t, SL_READ))) - goto the_return; - - /* FIXME: priority = low : I should add some mechanism to support - * other types. - */ - data_type = *data_typep; - - cl = _SLclass_get_class ((unsigned char) data_type); - - if (cl->cl_fread == NULL) - { - SLang_verror (SL_NOT_IMPLEMENTED, - "fread does not support %s objects", - cl->cl_name); - goto the_return; - } - - sizeof_type = cl->cl_sizeof_type; - - num_to_read = *num_elemns; - nbytes = (unsigned int) num_to_read * sizeof_type; - - s = SLmalloc (nbytes + 1); - if (s == NULL) - goto the_return; - - ret = cl->cl_fread (data_type, fp, (VOID_STAR)s, num_to_read, &num_read); - - if ((num_read == 0) - && (num_read != num_to_read)) - ret = -1; - - if ((ret == -1) && ferror (fp)) - _SLerrno_errno = errno; - - if ((ret == 0) - && (num_read != num_to_read)) - { - char *new_s; - - nbytes = num_read * sizeof_type; - new_s = SLrealloc (s, nbytes + 1); - if (new_s == NULL) - ret = -1; - else - s = new_s; - } - - if (ret == 0) - { - if (num_read == 1) - { - ret = SLang_assign_to_ref (ref, data_type, (VOID_STAR)s); - SLfree (s); - } - else if ((data_type == SLANG_CHAR_TYPE) - || (data_type == SLANG_UCHAR_TYPE)) - { - SLang_BString_Type *bs; - - bs = SLbstring_create_malloced ((unsigned char *)s, num_read, 1); - ret = SLang_assign_to_ref (ref, SLANG_BSTRING_TYPE, (VOID_STAR)&bs); - SLbstring_free (bs); - } - else - { - SLang_Array_Type *at; - int inum_read = (int) num_read; - at = SLang_create_array (data_type, 0, (VOID_STAR)s, &inum_read, 1); - ret = SLang_assign_to_ref (ref, SLANG_ARRAY_TYPE, (VOID_STAR)&at); - SLang_free_array (at); - } - s = NULL; - } - - the_return: - - if (s != NULL) - SLfree (s); - - if (ret == -1) - SLang_push_integer (ret); - else - SLang_push_uinteger (num_read); -} - -/* Usage: n = fwrite (str, fp); */ -static void stdio_fwrite (SL_File_Table_Type *t) -{ - FILE *fp; - unsigned char *s; - unsigned int num_to_write, num_write; - int ret; - SLang_BString_Type *b; - SLang_Array_Type *at; - SLang_Class_Type *cl; - - ret = -1; - b = NULL; - at = NULL; - - switch (SLang_peek_at_stack ()) - { - case SLANG_BSTRING_TYPE: - case SLANG_STRING_TYPE: - if (-1 == SLang_pop_bstring (&b)) - goto the_return; - - if (NULL == (s = SLbstring_get_pointer (b, &num_to_write))) - goto the_return; - - cl = _SLclass_get_class (SLANG_UCHAR_TYPE); - break; - - default: - if (-1 == SLang_pop_array (&at, 1)) - goto the_return; - - cl = at->cl; - num_to_write = at->num_elements; - s = (unsigned char *) at->data; - } - - if (NULL == (fp = check_fp (t, SL_WRITE))) - goto the_return; - - if (cl->cl_fwrite == NULL) - { - SLang_verror (SL_NOT_IMPLEMENTED, - "fwrite does not support %s objects", cl->cl_name); - goto the_return; - } - - ret = cl->cl_fwrite (cl->cl_data_type, fp, s, num_to_write, &num_write); - - if ((ret == -1) && ferror (fp)) - _SLerrno_errno = errno; - - /* drop */ - the_return: - if (b != NULL) - SLbstring_free (b); - if (at != NULL) - SLang_free_array (at); - - if (ret == -1) - SLang_push_integer (ret); - else - SLang_push_uinteger (num_write); -} - -static int stdio_fseek (SL_File_Table_Type *t, int *ofs, int *whence) -{ - FILE *fp; - - if (NULL == (fp = check_fp (t, 0xFFFF))) - return -1; - - if (-1 == fseek (fp, (long) *ofs, *whence)) - { - _SLerrno_errno = errno; - return -1; - } - - return 0; -} - -static int stdio_ftell (SL_File_Table_Type *t) -{ - FILE *fp; - long ofs; - - if (NULL == (fp = check_fp (t, 0xFFFF))) - return -1; - - if (-1L == (ofs = ftell (fp))) - { - _SLerrno_errno = errno; - return -1; - } - - return (int) ofs; -} - -static int stdio_feof (SL_File_Table_Type *t) -{ - FILE *fp; - - if (NULL == (fp = check_fp (t, 0xFFFF))) - return -1; - - return feof (fp); -} - -static int stdio_ferror (SL_File_Table_Type *t) -{ - FILE *fp; - - if (NULL == (fp = check_fp (t, 0xFFFF))) - return -1; - - return ferror (fp); -} - -static void stdio_clearerr (SL_File_Table_Type *t) -{ - FILE *fp; - - if (NULL != (fp = check_fp (t, 0xFFFF))) - clearerr (fp); -} - -/* () = fprintf (fp, "FORMAT", arg...); */ -static int stdio_fprintf (void) -{ - char *s; - FILE *fp; - SLang_MMT_Type *mmt; - int status; - - if (-1 == _SLstrops_do_sprintf_n (SLang_Num_Function_Args - 2)) - return -1; - - if (-1 == SLang_pop_slstring (&s)) - return -1; - - if (NULL == (mmt = pop_fp (SL_WRITE, &fp))) - { - SLang_free_slstring (s); - return -1; - } - - if (EOF == fputs(s, fp)) - status = -1; - else - status = (int) strlen (s); - - SLang_free_mmt (mmt); - SLang_free_slstring (s); - return status; -} - -static int stdio_printf (void) -{ - char *s; - int status; - - if (-1 == _SLstrops_do_sprintf_n (SLang_Num_Function_Args - 1)) - return -1; - - if (-1 == SLang_pop_slstring (&s)) - return -1; - - if (EOF == fputs(s, stdout)) - status = -1; - else - status = (int) strlen (s); - - SLang_free_slstring (s); - return status; -} - - -#define F SLANG_FILE_PTR_TYPE -#define R SLANG_REF_TYPE -#define I SLANG_INT_TYPE -#define V SLANG_VOID_TYPE -#define S SLANG_STRING_TYPE -#define B SLANG_BSTRING_TYPE -#define U SLANG_UINT_TYPE -#define D SLANG_DATATYPE_TYPE -static SLang_Intrin_Fun_Type Stdio_Name_Table[] = -{ - MAKE_INTRINSIC_0("fgetslines", stdio_fgetslines, V), - MAKE_INTRINSIC_SS("fopen", stdio_fopen, V), - MAKE_INTRINSIC_1("feof", stdio_feof, I, F), - MAKE_INTRINSIC_1("ferror", stdio_ferror, I, F), - MAKE_INTRINSIC_1("fclose", stdio_fclose, I, F), - MAKE_INTRINSIC_2("fgets", stdio_fgets, I, R, F), - MAKE_INTRINSIC_1("fflush", stdio_fflush, I, F), - MAKE_INTRINSIC_2("fputs", stdio_fputs, I, S, F), - MAKE_INTRINSIC_0("fprintf", stdio_fprintf, I), - MAKE_INTRINSIC_0("printf", stdio_printf, I), - MAKE_INTRINSIC_3("fseek", stdio_fseek, I, F, I, I), - MAKE_INTRINSIC_1("ftell", stdio_ftell, I, F), - MAKE_INTRINSIC_1("clearerr", stdio_clearerr, V, F), - MAKE_INTRINSIC_4("fread", stdio_fread, V, R, D, U, F), - MAKE_INTRINSIC_1("fwrite", stdio_fwrite, V, F), -#ifdef HAVE_POPEN - MAKE_INTRINSIC_SS("popen", stdio_popen, V), - MAKE_INTRINSIC_1("pclose", stdio_fclose, I, F), -#endif - SLANG_END_INTRIN_FUN_TABLE -}; -#undef F -#undef I -#undef R -#undef V -#undef S -#undef B -#undef U -#undef D - -#ifndef SEEK_SET -# define SEEK_SET 0 -#endif -#ifndef SEEK_CUR -# define SEEK_CUR 1 -#endif -#ifndef SEEK_END -# define SEEK_END 2 -#endif - -static SLang_IConstant_Type Stdio_Consts [] = -{ - MAKE_ICONSTANT("SEEK_SET", SEEK_SET), - MAKE_ICONSTANT("SEEK_END", SEEK_END), - MAKE_ICONSTANT("SEEK_CUR", SEEK_CUR), - SLANG_END_ICONST_TABLE -}; - -static void destroy_file_type (unsigned char type, VOID_STAR ptr) -{ - (void) type; - (void) close_file_type ((SL_File_Table_Type *) ptr); -} - - -struct _SLang_Foreach_Context_Type -{ - SLang_MMT_Type *mmt; - FILE *fp; -#define CTX_USE_LINE 1 -#define CTX_USE_CHAR 2 - unsigned char type; -}; - - -static SLang_Foreach_Context_Type * -cl_foreach_open (unsigned char type, unsigned int num) -{ - SLang_Foreach_Context_Type *c; - SLang_MMT_Type *mmt; - FILE *fp; - - if (NULL == (mmt = pop_fp (SL_READ, &fp))) - return NULL; - - type = CTX_USE_LINE; - - switch (num) - { - char *s; - - case 0: - type = CTX_USE_LINE; - break; - - case 1: - if (-1 == SLang_pop_slstring (&s)) - { - SLang_free_mmt (mmt); - return NULL; - } - if (0 == strcmp (s, "char")) - type = CTX_USE_CHAR; - else if (0 == strcmp (s, "line")) - type = CTX_USE_LINE; - else - { - SLang_verror (SL_NOT_IMPLEMENTED, - "using '%s' not supported by File_Type", - s); - SLang_free_slstring (s); - SLang_free_mmt (mmt); - return NULL; - } - SLang_free_slstring (s); - break; - - default: - SLdo_pop_n (num); - SLang_verror (SL_NOT_IMPLEMENTED, - "Usage: foreach (File_Type) using ([line|char])"); - SLang_free_mmt (mmt); - return NULL; - } - - if (NULL == (c = (SLang_Foreach_Context_Type *) SLmalloc (sizeof (SLang_Foreach_Context_Type)))) - { - SLang_free_mmt (mmt); - return NULL; - } - memset ((char *) c, 0, sizeof (SLang_Foreach_Context_Type)); - - c->type = type; - c->mmt = mmt; - c->fp = fp; - - return c; -} - -static void cl_foreach_close (unsigned char type, SLang_Foreach_Context_Type *c) -{ - (void) type; - if (c == NULL) return; - SLang_free_mmt (c->mmt); - SLfree ((char *) c); -} - -static int cl_foreach (unsigned char type, SLang_Foreach_Context_Type *c) -{ - int status; - int ch; - unsigned int len; - char *s; - - (void) type; - - if (c == NULL) - return -1; - - switch (c->type) - { - case CTX_USE_CHAR: - if (EOF == (ch = getc (c->fp))) - return 0; - if (-1 == SLang_push_uchar ((unsigned char) ch)) - return -1; - return 1; - - case CTX_USE_LINE: - status = read_one_line (c->fp, &s, &len); - if (status <= 0) - return status; - if (0 == _SLang_push_slstring (s)) - return 1; - return -1; - } - - return -1; -} - -static int Stdio_Initialized; -static SLang_MMT_Type *Stdio_Mmts[3]; - -int SLang_init_stdio (void) -{ - unsigned int i; - SL_File_Table_Type *s; - SLang_Class_Type *cl; - char *names[3]; - - if (Stdio_Initialized) - return 0; - - SL_File_Table = (SL_File_Table_Type *)SLcalloc(sizeof (SL_File_Table_Type), SL_MAX_FILES); - if (SL_File_Table == NULL) - return -1; - - if (NULL == (cl = SLclass_allocate_class ("File_Type"))) - return -1; - cl->cl_destroy = destroy_file_type; - cl->cl_foreach_open = cl_foreach_open; - cl->cl_foreach_close = cl_foreach_close; - cl->cl_foreach = cl_foreach; - - - if (-1 == SLclass_register_class (cl, SLANG_FILE_PTR_TYPE, sizeof (SL_File_Table_Type), SLANG_CLASS_TYPE_MMT)) - return -1; - - if ((-1 == SLadd_intrin_fun_table(Stdio_Name_Table, "__STDIO__")) - || (-1 == SLadd_iconstant_table (Stdio_Consts, NULL)) - || (-1 == _SLerrno_init ())) - return -1; - - names[0] = "stdin"; - names[1] = "stdout"; - names[2] = "stderr"; - - s = SL_File_Table; - s->fp = stdin; s->flags = SL_READ; - - s++; - s->fp = stdout; s->flags = SL_WRITE; - - s++; - s->fp = stderr; s->flags = SL_WRITE|SL_READ; - - s = SL_File_Table; - for (i = 0; i < 3; i++) - { - if (NULL == (s->file = SLang_create_slstring (names[i]))) - return -1; - - if (NULL == (Stdio_Mmts[i] = SLang_create_mmt (SLANG_FILE_PTR_TYPE, (VOID_STAR) s))) - return -1; - SLang_inc_mmt (Stdio_Mmts[i]); - - if (-1 == SLadd_intrinsic_variable (s->file, (VOID_STAR)&Stdio_Mmts[i], SLANG_FILE_PTR_TYPE, 1)) - return -1; - s++; - } - - Stdio_Initialized = 1; - return 0; -} - diff --git a/mdk-stage1/slang/slstring.c b/mdk-stage1/slang/slstring.c deleted file mode 100644 index 529c41827..000000000 --- a/mdk-stage1/slang/slstring.c +++ /dev/null @@ -1,546 +0,0 @@ -/* Copyright (c) 1998, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -typedef struct _SLstring_Type -{ - struct _SLstring_Type *next; - unsigned int ref_count; - char bytes [1]; -} -SLstring_Type; - -static SLstring_Type *String_Hash_Table [SLSTRING_HASH_TABLE_SIZE]; -static char Single_Char_Strings [256 * 2]; - -#if _SLANG_OPTIMIZE_FOR_SPEED -#define MAX_FREE_STORE_LEN 32 -static SLstring_Type *SLS_Free_Store [MAX_FREE_STORE_LEN]; - -# define NUM_CACHED_STRINGS 601 -typedef struct -{ - unsigned long hash; - SLstring_Type *sls; - unsigned int len; -} -Cached_String_Type; -static Cached_String_Type Cached_Strings [NUM_CACHED_STRINGS]; - -#define GET_CACHED_STRING(s) \ - (Cached_Strings + (unsigned int)(((unsigned long) (s)) % NUM_CACHED_STRINGS)) - -_INLINE_ -static void cache_string (SLstring_Type *sls, unsigned int len, unsigned long hash) -{ - Cached_String_Type *cs; - - cs = GET_CACHED_STRING(sls->bytes); - cs->sls = sls; - cs->hash = hash; - cs->len = len; -} - -_INLINE_ -static void uncache_string (char *s) -{ - Cached_String_Type *cs; - - cs = GET_CACHED_STRING(s); - if ((cs->sls != NULL) - && (cs->sls->bytes == s)) - cs->sls = NULL; -} -#endif - - - -_INLINE_ -unsigned long _SLstring_hash (unsigned char *s, unsigned char *smax) -{ - register unsigned long h = 0; - register unsigned long sum = 0; - unsigned char *smax4; - - smax4 = smax - 4; - - while (s < smax4) - { - sum += s[0]; - h = sum + (h << 1); - sum += s[1]; - h = sum + (h << 1); - sum += s[2]; - h = sum + (h << 1); - sum += s[3]; - h = sum + (h << 1); - - s += 4; - } - - while (s < smax) - { - sum += *s++; - h ^= sum + (h << 3); /* slightly different */ - } - - return h; -} - -unsigned long _SLcompute_string_hash (char *s) -{ -#if _SLANG_OPTIMIZE_FOR_SPEED - Cached_String_Type *cs; - SLstring_Type *sls; - - cs = GET_CACHED_STRING(s); - if (((sls = cs->sls) != NULL) - && (sls->bytes == s)) - return cs->hash; -#endif - return _SLstring_hash ((unsigned char *) s, (unsigned char *) s + strlen (s)); -} - -_INLINE_ -/* This routine works with any (long) string */ -static SLstring_Type *find_string (char *s, unsigned int len, unsigned long hash) -{ - SLstring_Type *sls; - char ch; - - sls = String_Hash_Table [(unsigned int)(hash % SLSTRING_HASH_TABLE_SIZE)]; - - if (sls == NULL) - return NULL; - - ch = s[0]; - do - { - char *bytes = sls->bytes; - - /* Note that we need to actually make sure that bytes[len] == 0. - * In this case, it is not enough to just compare pointers. In fact, - * this is called from create_nstring, etc... It is unlikely that the - * pointer is a slstring - */ - if ((/* (s == bytes) || */ ((ch == bytes[0]) - && (0 == strncmp (s, bytes, len)))) - && (bytes [len] == 0)) - break; - - sls = sls->next; - } - while (sls != NULL); - - return sls; -} - -_INLINE_ -static SLstring_Type *find_slstring (char *s, unsigned long hash) -{ - SLstring_Type *sls; - - sls = String_Hash_Table [(unsigned int)(hash % SLSTRING_HASH_TABLE_SIZE)]; - while (sls != NULL) - { - if (s == sls->bytes) - return sls; - - sls = sls->next; - } - return sls; -} - -_INLINE_ -static SLstring_Type *allocate_sls (unsigned int len) -{ - SLstring_Type *sls; - -#if _SLANG_OPTIMIZE_FOR_SPEED - if ((len < MAX_FREE_STORE_LEN) - && (NULL != (sls = SLS_Free_Store [len]))) - { - SLS_Free_Store[len] = NULL; - return sls; - } -#endif - /* FIXME: use structure padding */ - return (SLstring_Type *) SLmalloc (len + sizeof (SLstring_Type)); -} - -_INLINE_ -static void free_sls (SLstring_Type *sls, unsigned int len) -{ -#if _SLANG_OPTIMIZE_FOR_SPEED - if ((len < MAX_FREE_STORE_LEN) - && (SLS_Free_Store[len] == NULL)) - { - SLS_Free_Store [len] = sls; - return; - } -#else - (void) len; -#endif - SLfree ((char *)sls); -} - -_INLINE_ -static char *create_long_string (char *s, unsigned int len, unsigned long hash) -{ - SLstring_Type *sls; - - sls = find_string (s, len, hash); - - if (sls != NULL) - { - sls->ref_count++; - s = sls->bytes; - -#if _SLANG_OPTIMIZE_FOR_SPEED - cache_string (sls, len, hash); -#endif - return s; - } - - sls = allocate_sls (len); - if (sls == NULL) - return NULL; - - strncpy (sls->bytes, s, len); - sls->bytes[len] = 0; - sls->ref_count = 1; - -#if _SLANG_OPTIMIZE_FOR_SPEED - cache_string (sls, len, hash); -#endif - - hash = hash % SLSTRING_HASH_TABLE_SIZE; - sls->next = String_Hash_Table [(unsigned int)hash]; - String_Hash_Table [(unsigned int)hash] = sls; - - return sls->bytes; -} - -_INLINE_ -static char *create_short_string (char *s, unsigned int len) -{ - char ch; - - /* Note: if len is 0, then it does not matter what *s is. This is - * important for SLang_create_nslstring. - */ - if (len) ch = *s; else ch = 0; - - len = 2 * (unsigned int) ((unsigned char) ch); - Single_Char_Strings [len] = ch; - Single_Char_Strings [len + 1] = 0; - return Single_Char_Strings + len; -} - -/* s cannot be NULL */ -_INLINE_ -static char *create_nstring (char *s, unsigned int len, unsigned long *hash_ptr) -{ - unsigned long hash; - - if (len < 2) - return create_short_string (s, len); - - hash = _SLstring_hash ((unsigned char *) s, (unsigned char *) (s + len)); - *hash_ptr = hash; - - return create_long_string (s, len, hash); -} - -char *SLang_create_nslstring (char *s, unsigned int len) -{ - unsigned long hash; - return create_nstring (s, len, &hash); -} - -char *_SLstring_make_hashed_string (char *s, unsigned int len, unsigned long *hashptr) -{ - unsigned long hash; - - if (s == NULL) return NULL; - - hash = _SLstring_hash ((unsigned char *) s, (unsigned char *) s + len); - *hashptr = hash; - - if (len < 2) - return create_short_string (s, len); - - return create_long_string (s, len, hash); -} - -char *_SLstring_dup_hashed_string (char *s, unsigned long hash) -{ - unsigned int len; -#if _SLANG_OPTIMIZE_FOR_SPEED - Cached_String_Type *cs; - SLstring_Type *sls; - - if (s == NULL) return NULL; - if (s[0] == 0) - return create_short_string (s, 0); - if (s[1] == 0) - return create_short_string (s, 1); - - cs = GET_CACHED_STRING(s); - if (((sls = cs->sls) != NULL) - && (sls->bytes == s)) - { - sls->ref_count += 1; - return s; - } -#else - if (s == NULL) return NULL; -#endif - - len = strlen (s); -#if !_SLANG_OPTIMIZE_FOR_SPEED - if (len < 2) return create_short_string (s, len); -#endif - - return create_long_string (s, len, hash); -} - -char *_SLstring_dup_slstring (char *s) -{ - SLstring_Type *sls; - unsigned int len; - unsigned long hash; -#if _SLANG_OPTIMIZE_FOR_SPEED - Cached_String_Type *cs; - - cs = GET_CACHED_STRING(s); - if (((sls = cs->sls) != NULL) - && (sls->bytes == s)) - { - sls->ref_count += 1; - return s; - } -#endif - - if ((s == NULL) || ((len = strlen (s)) < 2)) - return s; - - hash = _SLstring_hash ((unsigned char *)s, (unsigned char *)(s + len)); - - sls = find_slstring (s, hash); - if (sls == NULL) - { - SLang_Error = SL_INTERNAL_ERROR; - return NULL; - } - - sls->ref_count++; -#if _SLANG_OPTIMIZE_FOR_SPEED - cache_string (sls, len, hash); -#endif - return s; -} - -static void free_sls_string (SLstring_Type *sls, char *s, unsigned int len, - unsigned long hash) -{ - SLstring_Type *sls1, *prev; - -#if _SLANG_OPTIMIZE_FOR_SPEED - uncache_string (s); -#endif - - hash = hash % SLSTRING_HASH_TABLE_SIZE; - - sls1 = String_Hash_Table [(unsigned int) hash]; - - prev = NULL; - - /* This should not fail. */ - while (sls1 != sls) - { - prev = sls1; - sls1 = sls1->next; - } - - if (prev != NULL) - prev->next = sls->next; - else - String_Hash_Table [(unsigned int) hash] = sls->next; - - free_sls (sls, len); -} - -_INLINE_ -static void free_long_string (char *s, unsigned int len, unsigned long hash) -{ - SLstring_Type *sls; - - if (NULL == (sls = find_slstring (s, hash))) - { - SLang_doerror ("Application internal error: invalid attempt to free string"); - return; - } - - sls->ref_count--; - if (sls->ref_count != 0) - { -#if _SLANG_OPTIMIZE_FOR_SPEED - /* cache_string (sls, len, hash); */ -#endif - return; - } - - - free_sls_string (sls, s, len, hash); -} - -/* This routine may be passed NULL-- it is not an error. */ -void SLang_free_slstring (char *s) -{ - unsigned long hash; - unsigned int len; -#if _SLANG_OPTIMIZE_FOR_SPEED - Cached_String_Type *cs; - SLstring_Type *sls; - - cs = GET_CACHED_STRING(s); - if (((sls = cs->sls) != NULL) - && (sls->bytes == s)) - { - if (sls->ref_count <= 1) - free_sls_string (sls, s, cs->len, cs->hash); - else - sls->ref_count -= 1; - return; - } -#endif - - if (s == NULL) return; - - if ((len = strlen (s)) < 2) - return; - - hash = _SLstring_hash ((unsigned char *)s, (unsigned char *) s + len); - free_long_string (s, len, hash); -} - -char *SLang_create_slstring (char *s) -{ - unsigned long hash; -#if _SLANG_OPTIMIZE_FOR_SPEED - Cached_String_Type *cs; - SLstring_Type *sls; - - cs = GET_CACHED_STRING(s); - if (((sls = cs->sls) != NULL) - && (sls->bytes == s)) - { - sls->ref_count += 1; - return s; - } -#endif - - if (s == NULL) return NULL; - return create_nstring (s, strlen (s), &hash); -} - -void _SLfree_hashed_string (char *s, unsigned int len, unsigned long hash) -{ - if ((s == NULL) || (len < 2)) return; - free_long_string (s, len, hash); -} - - -char *_SLallocate_slstring (unsigned int len) -{ - SLstring_Type *sls = allocate_sls (len); - if (sls == NULL) - return NULL; - - return sls->bytes; -} - -void _SLunallocate_slstring (char *s, unsigned int len) -{ - SLstring_Type *sls; - - if (s == NULL) - return; - - sls = (SLstring_Type *) (s - offsetof(SLstring_Type,bytes[0])); - free_sls (sls, len); -} - -char *_SLcreate_via_alloced_slstring (char *s, unsigned int len) -{ - unsigned long hash; - SLstring_Type *sls; - - if (s == NULL) - return NULL; - - if (len < 2) - { - char *s1 = create_short_string (s, len); - _SLunallocate_slstring (s, len); - return s1; - } - - /* s is not going to be in the cache because when it was malloced, its - * value was unknown. This simplifies the coding. - */ - hash = _SLstring_hash ((unsigned char *)s, (unsigned char *)s + len); - sls = find_string (s, len, hash); - if (sls != NULL) - { - sls->ref_count++; - _SLunallocate_slstring (s, len); - s = sls->bytes; - -#if _SLANG_OPTIMIZE_FOR_SPEED - cache_string (sls, len, hash); -#endif - return s; - } - - sls = (SLstring_Type *) (s - offsetof(SLstring_Type,bytes[0])); - sls->ref_count = 1; - -#if _SLANG_OPTIMIZE_FOR_SPEED - cache_string (sls, len, hash); -#endif - - hash = hash % SLSTRING_HASH_TABLE_SIZE; - sls->next = String_Hash_Table [(unsigned int)hash]; - String_Hash_Table [(unsigned int)hash] = sls; - - return s; -} - -/* Note, a and b may be ordinary strings. The result is an slstring */ -char *SLang_concat_slstrings (char *a, char *b) -{ - unsigned int lena, len; - char *c; - - lena = strlen (a); - len = lena + strlen (b); - - c = _SLallocate_slstring (len); - if (c == NULL) - return NULL; - - strcpy (c, a); - strcpy (c + lena, b); - - return _SLcreate_via_alloced_slstring (c, len); -} - diff --git a/mdk-stage1/slang/slstrops.c b/mdk-stage1/slang/slstrops.c deleted file mode 100644 index a57ef6389..000000000 --- a/mdk-stage1/slang/slstrops.c +++ /dev/null @@ -1,1686 +0,0 @@ -/* -*- mode: C; mode: fold; -*- */ -/* string manipulation functions for S-Lang. */ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" -/*{{{ Include Files */ - -#include <time.h> - -#ifndef __QNX__ -# if defined(__GO32__) || defined(__WATCOMC__) -# include <dos.h> -# include <bios.h> -# endif -#endif - -#if SLANG_HAS_FLOAT -#include <math.h> -#endif - -#include <string.h> -#include <stdarg.h> -#include <ctype.h> - -#ifndef isdigit -# define isdigit(x) (((x) >= '0') && ((x) <= '9')) -#endif - -#include "slang.h" -#include "_slang.h" - -/*}}}*/ - -#define USE_ALLOC_STSTRING 1 - -/*{{{ Utility Functions */ - -static char Utility_Char_Table [256]; -static unsigned char WhiteSpace_Lut[256]; - -static void set_utility_char_table (char *pos) /*{{{*/ -{ - register char *t = Utility_Char_Table, *tmax; - register unsigned char ch; - - tmax = t + 256; - while (t < tmax) *t++ = 0; - - t = Utility_Char_Table; - while ((ch = (unsigned char) *pos++) != 0) t[ch] = 1; -} - -/*}}}*/ - -_INLINE_ -static unsigned char *make_whitespace_lut (void) -{ - if (WhiteSpace_Lut[' '] != 1) - { - WhiteSpace_Lut[' '] = WhiteSpace_Lut['\r'] - = WhiteSpace_Lut ['\n'] = WhiteSpace_Lut['\t'] - = WhiteSpace_Lut ['\f'] = 1; - } - return WhiteSpace_Lut; -} - -static unsigned char *make_lut (unsigned char *s, unsigned char *lut) -{ - int reverse = 0; - - if (*s == '^') - { - reverse = 1; - s++; - } - SLmake_lut (lut, s, reverse); - return lut; -} - -static unsigned int do_trim (char **beg, int do_beg, - char **end, int do_end, - char *white) /*{{{*/ -{ - unsigned int len; - char *a, *b; - - set_utility_char_table (white); - - a = *beg; - len = strlen (a); - b = a + len; - - if (do_beg) - while (Utility_Char_Table[(unsigned char) *a]) a++; - - if (do_end) - { - b--; - while ((b >= a) && (Utility_Char_Table[(unsigned char) *b])) b--; - b++; - } - - len = (unsigned int) (b - a); - *beg = a; - *end = b; - return len; -} - -/*}}}*/ - -/*}}}*/ - -static int pop_3_strings (char **a, char **b, char **c) -{ - *a = *b = *c = NULL; - if (-1 == SLpop_string (c)) - return -1; - - if (-1 == SLpop_string (b)) - { - SLfree (*c); - *c = NULL; - return -1; - } - - if (-1 == SLpop_string (a)) - { - SLfree (*b); - SLfree (*c); - *b = *c = NULL; - return -1; - } - - return 0; -} - -static void free_3_strings (char *a, char *b, char *c) -{ - SLfree (a); - SLfree (b); - SLfree (c); -} - -static void strcat_cmd (void) /*{{{*/ -{ - char *c, *c1; - int nargs; - int i; - char **ptrs; - unsigned int len; -#if !USE_ALLOC_STSTRING - char buf[256]; -#endif - nargs = SLang_Num_Function_Args; - if (nargs <= 0) nargs = 2; - - if (NULL == (ptrs = (char **)SLmalloc (nargs * sizeof (char *)))) - return; - - memset ((char *) ptrs, 0, sizeof (char *) * nargs); - - c = NULL; - i = nargs; - len = 0; - while (i != 0) - { - char *s; - - i--; - if (-1 == SLang_pop_slstring (&s)) - goto free_and_return; - ptrs[i] = s; - len += strlen (s); - } -#if USE_ALLOC_STSTRING - if (NULL == (c = _SLallocate_slstring (len))) - goto free_and_return; -#else - len++; /* \0 char */ - if (len <= sizeof (buf)) - c = buf; - else if (NULL == (c = SLmalloc (len))) - goto free_and_return; -#endif - - c1 = c; - for (i = 0; i < nargs; i++) - { - strcpy (c1, ptrs[i]); - c1 += strlen (c1); - } - - free_and_return: - for (i = 0; i < nargs; i++) - SLang_free_slstring (ptrs[i]); - SLfree ((char *) ptrs); - -#if USE_ALLOC_STSTRING - (void) _SLpush_alloced_slstring (c, len); -#else - if (c != buf) - (void) SLang_push_malloced_string (c); /* NULL ok */ - else - (void) SLang_push_string (c); -#endif -} - -/*}}}*/ - -static int _SLang_push_nstring (char *a, unsigned int len) -{ - a = SLang_create_nslstring (a, len); - if (a == NULL) - return -1; - - return _SLang_push_slstring (a); -} - - -static void strtrim_cmd_internal (char *str, int do_beg, int do_end) -{ - char *beg, *end, *white; - int free_str; - unsigned int len; - - /* Go through SLpop_string to get a private copy since it will be - * modified. - */ - - free_str = 0; - if (SLang_Num_Function_Args == 2) - { - white = str; - if (-1 == SLang_pop_slstring (&str)) - return; - free_str = 1; - } - else white = " \t\f\r\n"; - - beg = str; - len = do_trim (&beg, do_beg, &end, do_end, white); - - (void) _SLang_push_nstring (beg, len); - if (free_str) - SLang_free_slstring (str); -} - - -static void strtrim_cmd (char *str) -{ - strtrim_cmd_internal (str, 1, 1); -} - -static void strtrim_beg_cmd (char *str) -{ - strtrim_cmd_internal (str, 1, 0); -} - -static void strtrim_end_cmd (char *str) -{ - strtrim_cmd_internal (str, 0, 1); -} - - -static void strcompress_cmd (void) /*{{{*/ -{ - char *str, *white, *c; - unsigned char *s, *beg, *end; - unsigned int len; - char pref_char; - - if (SLpop_string (&white)) return; - if (SLpop_string (&str)) - { - SLfree (white); - return; - } - - /* The first character of white is the preferred whitespace character */ - pref_char = *white; - - beg = (unsigned char *) str; - (void) do_trim ((char **) &beg, 1, (char **) &end, 1, white); - SLfree (white); - - /* Determine the effective length */ - len = 0; - s = (unsigned char *) beg; - while (s < end) - { - len++; - if (Utility_Char_Table[*s++]) - { - while ((s < end) && Utility_Char_Table[*s]) s++; - } - } - -#if USE_ALLOC_STSTRING - c = _SLallocate_slstring (len); -#else - c = SLmalloc (len + 1); -#endif - if (c == NULL) - { - SLfree (str); - return; - } - - s = (unsigned char *) c; - - while (beg < end) - { - unsigned char ch = *beg++; - - if (0 == Utility_Char_Table[ch]) - { - *s++ = ch; - continue; - } - - *s++ = (unsigned char) pref_char; - - while ((beg < end) && Utility_Char_Table[*beg]) - beg++; - } - - *s = 0; - -#if USE_ALLOC_STSTRING - (void) _SLpush_alloced_slstring (c, len); -#else - SLang_push_malloced_string(c); -#endif - - SLfree(str); -} - -/*}}}*/ - -static int str_replace_cmd_1 (char *orig, char *match, char *rep, unsigned int max_num_replaces, - char **new_strp) /*{{{*/ -{ - char *s, *t, *new_str; - unsigned int rep_len, match_len, new_len; - unsigned int num_replaces; - - *new_strp = NULL; - - match_len = strlen (match); - - if (match_len == 0) - return 0; - - num_replaces = 0; - s = orig; - while (num_replaces < max_num_replaces) - { - s = strstr (s, match); - if (s == NULL) - break; - s += match_len; - num_replaces++; - } - - if (num_replaces == 0) - return 0; - - max_num_replaces = num_replaces; - - rep_len = strlen (rep); - - new_len = (strlen (orig) - num_replaces * match_len) + num_replaces * rep_len; - new_str = SLmalloc (new_len + 1); - if (new_str == NULL) - return -1; - - s = orig; - t = new_str; - - for (num_replaces = 0; num_replaces < max_num_replaces; num_replaces++) - { - char *next_s; - unsigned int len; - - next_s = strstr (s, match); /* cannot be NULL */ - len = (unsigned int) (next_s - s); - strncpy (t, s, len); - t += len; - strcpy (t, rep); - t += rep_len; - - s = next_s + match_len; - } - strcpy (t, s); - *new_strp = new_str; - - return (int) num_replaces; -} - -/*}}}*/ - -static void reverse_string (char *a) -{ - char *b; - - b = a + strlen (a); - while (b > a) - { - char ch; - - b--; - ch = *a; - *a++ = *b; - *b = ch; - } -} - -static int strreplace_cmd (int *np) -{ - char *orig, *match, *rep; - char *new_str; - int max_num_replaces; - int ret; - - max_num_replaces = *np; - - if (-1 == pop_3_strings (&orig, &match, &rep)) - return -1; - - if (max_num_replaces < 0) - { - reverse_string (orig); - reverse_string (match); - reverse_string (rep); - ret = str_replace_cmd_1 (orig, match, rep, -max_num_replaces, &new_str); - if (ret > 0) reverse_string (new_str); - else if (ret == 0) - reverse_string (orig); - } - else ret = str_replace_cmd_1 (orig, match, rep, max_num_replaces, &new_str); - - if (ret == 0) - { - if (-1 == SLang_push_malloced_string (orig)) - ret = -1; - orig = NULL; - } - else if (ret > 0) - { - if (-1 == SLang_push_malloced_string (new_str)) - ret = -1; - } - - free_3_strings (orig, match, rep); - return ret; -} - -static int str_replace_cmd (char *orig, char *match, char *rep) -{ - char *s; - int ret; - - ret = str_replace_cmd_1 (orig, match, rep, 1, &s); - if (ret == 1) - (void) SLang_push_malloced_string (s); - return ret; -} - - - -static void strtok_cmd (char *str) -{ - _SLString_List_Type sl; - unsigned char white_buf[256]; - char *s; - unsigned char *white; - - if (SLang_Num_Function_Args == 1) - white = make_whitespace_lut (); - else - { - white = white_buf; - make_lut ((unsigned char *)str, white); - if (-1 == SLang_pop_slstring (&str)) - return; - } - - if (-1 == _SLstring_list_init (&sl, 256, 1024)) - goto the_return; - - s = str; - while (*s != 0) - { - char *s0; - - s0 = s; - /* Skip whitespace */ - while ((*s0 != 0) && (0 != white[(unsigned char)*s0])) - s0++; - - if (*s0 == 0) - break; - - s = s0; - while ((*s != 0) && (0 == white[(unsigned char) *s])) - s++; - - /* sl deleted upon failure */ - if (-1 == _SLstring_list_append (&sl, SLang_create_nslstring (s0, (unsigned int) (s - s0)))) - goto the_return; - } - - /* Deletes sl */ - (void) _SLstring_list_push (&sl); - - the_return: - if (white == white_buf) - SLang_free_slstring (str); -} - -/* This routine returns the string with text removed between single character - comment delimiters from the set b and e. */ - -static void str_uncomment_string_cmd (char *str, char *b, char *e) /*{{{*/ -{ - unsigned char chb, che; - unsigned char *s, *cbeg, *mark; - - if (strlen(b) != strlen(e)) - { - SLang_doerror ("Comment delimiter length mismatch."); - return; - } - - set_utility_char_table (b); - - if (NULL == (str = (char *) SLmake_string(str))) return; - - s = (unsigned char *) str; - - while ((chb = *s++) != 0) - { - if (Utility_Char_Table [chb] == 0) continue; - - mark = s - 1; - - cbeg = (unsigned char *) b; - while (*cbeg != chb) cbeg++; - - che = (unsigned char) *(e + (int) (cbeg - (unsigned char *) b)); - - while (((chb = *s++) != 0) && (chb != che)); - - if (chb == 0) - { - /* end of string and end not found. Just truncate it a return; */ - *mark = 0; - break; - } - - strcpy ((char *) mark, (char *)s); - s = mark; - } - SLang_push_malloced_string (str); -} - -/*}}}*/ - -static void str_quote_string_cmd (char *str, char *quotes, int *slash_ptr) /*{{{*/ -{ - char *q; - int slash; - unsigned int len; - register char *t, *s, *q1; - register unsigned char ch; - - slash = *slash_ptr; - - if ((slash > 255) || (slash < 0)) - { - SLang_Error = SL_INVALID_PARM; - return; - } - - /* setup the utility table to have 1s at quote char postitions. */ - set_utility_char_table (quotes); - - t = Utility_Char_Table; - t[(unsigned int) slash] = 1; - - /* calculate length */ - s = str; - len = 0; - while ((ch = (unsigned char) *s++) != 0) if (t[ch]) len++; - len += (unsigned int) (s - str); - - if (NULL != (q = SLmalloc(len))) - { - s = str; q1 = q; - while ((ch = (unsigned char) *s++) != 0) - { - if (t[ch]) *q1++ = slash; - *q1++ = (char) ch; - } - *q1 = 0; - SLang_push_malloced_string(q); - } -} - -/*}}}*/ - -/* returns the position of substrin in a string or null */ -static int issubstr_cmd (char *a, char *b) /*{{{*/ -{ - char *c; - - if (NULL == (c = (char *) strstr(a, b))) - return 0; - - return 1 + (int) (c - a); -} - -/*}}}*/ - -/* returns to stack string at pos n to n + m of a */ -static void substr_cmd (char *a, int *n_ptr, int *m_ptr) /*{{{*/ -{ - int n, m; - int lena; - - n = *n_ptr; - m = *m_ptr; - - lena = strlen (a); - if (n > lena) n = lena + 1; - if (n < 1) - { - SLang_Error = SL_INVALID_PARM; - return; - } - - n--; - if (m < 0) m = lena; - if (n + m > lena) m = lena - n; - - (void) _SLang_push_nstring (a + n, (unsigned int) m); -} - -/*}}}*/ - -/* substitute char m at positin string n in string*/ -static void strsub_cmd (int *nptr, int *mptr) /*{{{*/ -{ - char *a; - int n, m; - unsigned int lena; - - if (-1 == SLpop_string (&a)) - return; - - n = *nptr; - m = *mptr; - - lena = strlen (a); - - if ((n <= 0) || (lena < (unsigned int) n)) - { - SLang_Error = SL_INVALID_PARM; - SLfree(a); - return; - } - - a[n - 1] = (char) m; - - SLang_push_malloced_string (a); -} - -/*}}}*/ - -static void strup_cmd(void) /*{{{*/ -{ - unsigned char c, *a; - char *str; - - if (SLpop_string (&str)) - return; - - a = (unsigned char *) str; - while ((c = *a) != 0) - { - /* if ((*a >= 'a') && (*a <= 'z')) *a -= 32; */ - *a = UPPER_CASE(c); - a++; - } - - SLang_push_malloced_string (str); -} - -/*}}}*/ - -static int isdigit_cmd (char *what) /*{{{*/ -{ - return isdigit((unsigned char)*what); -} - -/*}}}*/ -static int toupper_cmd (int *ch) /*{{{*/ -{ - return UPPER_CASE(*ch); -} - -/*}}}*/ - -static int tolower_cmd (int *ch) /*{{{*/ -{ - return LOWER_CASE(*ch); -} - -/*}}}*/ - -static void strlow_cmd (void) /*{{{*/ -{ - unsigned char c, *a; - char *str; - - if (SLpop_string(&str)) return; - a = (unsigned char *) str; - while ((c = *a) != 0) - { - /* if ((*a >= 'a') && (*a <= 'z')) *a -= 32; */ - *a = LOWER_CASE(c); - a++; - } - - SLang_push_malloced_string ((char *) str); -} - -/*}}}*/ - -static SLang_Array_Type *do_strchop (char *str, int delim, int quote) -{ - int count; - char *s0, *elm; - register char *s1; - register unsigned char ch; - int quoted; - SLang_Array_Type *at; - char **data; - - if ((quote < 0) || (quote > 255) - || (delim <= 0) || (delim > 255)) - { - SLang_Error = SL_INVALID_PARM; - return NULL; - } - - s1 = s0 = str; - - quoted = 0; - count = 1; /* at least 1 */ - while (1) - { - ch = (unsigned char) *s1++; - if ((ch == quote) && quote) - { - if (*s1 == 0) - break; - - s1++; - continue; - } - - if (ch == delim) - { - count++; - continue; - } - - if (ch == 0) - break; - } - - if (NULL == (at = SLang_create_array (SLANG_STRING_TYPE, 0, NULL, &count, 1))) - return NULL; - - data = (char **)at->data; - - count = 0; - s1 = s0; - - while (1) - { - ch = (unsigned char) *s1; - - if ((ch == quote) && quote) - { - s1++; - if (*s1 != 0) s1++; - quoted = 1; - continue; - } - - if ((ch == delim) || (ch == 0)) - { - if (quoted == 0) - elm = SLang_create_nslstring (s0, (unsigned int) (s1 - s0)); - else - { - register char ch1, *p, *p1; - char *tmp; - - tmp = SLmake_nstring (s0, (unsigned int)(s1 - s0)); - if (tmp == NULL) - break; - - /* Now unquote it */ - p = p1 = tmp; - do - { - ch1 = *p1++; - if (ch1 == '\\') ch1 = *p1++; - *p++ = ch1; - } - while (ch1 != 0); - quoted = 0; - - elm = SLang_create_slstring (tmp); - SLfree (tmp); - } - - if (elm == NULL) - break; - - data[count] = elm; - count++; - - if (ch == 0) - return at; - - s1++; /* skip past delim */ - s0 = s1; /* and reset */ - } - else s1++; - } - - SLang_free_array (at); - return NULL; -} - -static void strchop_cmd (char *str, int *q, int *d) -{ - (void) SLang_push_array (do_strchop (str, *q, *d), 1); -} - -static void strchopr_cmd (char *str, int *q, int *d) -{ - SLang_Array_Type *at; - - if (NULL != (at = do_strchop (str, *q, *d))) - { - char **d0, **d1; - - d0 = (char **) at->data; - d1 = d0 + (at->num_elements - 1); - - while (d0 < d1) - { - char *tmp; - - tmp = *d0; - *d0 = *d1; - *d1 = tmp; - d0++; - d1--; - } - } - SLang_push_array (at, 1); -} - -static int strcmp_cmd (char *a, char *b) /*{{{*/ -{ - return strcmp(a, b); -} - -/*}}}*/ - -static int strncmp_cmd (char *a, char *b, int *n) /*{{{*/ -{ - return strncmp(a, b, (unsigned int) *n); -} - -/*}}}*/ - -static int strlen_cmd (char *s) /*{{{*/ -{ - return (int) strlen (s); -} -/*}}}*/ - -static void extract_element_cmd (char *list, int *nth_ptr, int *delim_ptr) -{ - char buf[1024], *b; - - b = buf; - if (-1 == SLextract_list_element (list, *nth_ptr, *delim_ptr, buf, sizeof(buf))) - b = NULL; - - SLang_push_string (b); -} - -/* sprintf functionality for S-Lang */ - -static char *SLdo_sprintf (char *fmt) /*{{{*/ -{ - register char *p = fmt, ch; - char *out = NULL, *outp = NULL; - char dfmt[1024]; /* used to hold part of format */ - char *f; - VOID_STAR varp; - int want_width, width, precis, use_varp, int_var; - long long_var; - unsigned int len = 0, malloc_len = 0, dlen; - int do_free, guess_size; -#if SLANG_HAS_FLOAT - int tmp1, tmp2, use_double; - double x; -#endif - int use_long = 0; - - while (1) - { - while ((ch = *p) != 0) - { - if (ch == '%') - break; - p++; - } - - /* p points at '%' or 0 */ - - dlen = (unsigned int) (p - fmt); - - if (len + dlen >= malloc_len) - { - malloc_len = len + dlen; - if (out == NULL) outp = SLmalloc(malloc_len + 1); - else outp = SLrealloc(out, malloc_len + 1); - if (NULL == outp) - return out; - out = outp; - outp = out + len; - } - - strncpy(outp, fmt, dlen); - len += dlen; - outp = out + len; - *outp = 0; - if (ch == 0) break; - - /* bump it beyond '%' */ - ++p; - fmt = p; - - f = dfmt; - *f++ = ch; - /* handle flag char */ - ch = *p++; - - /* Make sure cases such as "% #g" can be handled. */ - if ((ch == '-') || (ch == '+') || (ch == ' ') || (ch == '#')) - { - *f++ = ch; - ch = *p++; - if ((ch == '-') || (ch == '+') || (ch == ' ') || (ch == '#')) - { - *f++ = ch; - ch = *p++; - } - } - - - /* width */ - /* I have got to parse it myself so that I can see how big it needs - * to be. - */ - want_width = width = 0; - if (ch == '*') - { - if (SLang_pop_integer(&width)) return (out); - want_width = 1; - ch = *p++; - } - else - { - if (ch == '0') - { - *f++ = '0'; - ch = *p++; - } - - while ((ch <= '9') && (ch >= '0')) - { - width = width * 10 + (ch - '0'); - ch = *p++; - want_width = 1; - } - } - - if (want_width) - { - sprintf(f, "%d", width); - f += strlen (f); - } - precis = 0; - /* precision -- also indicates max number of chars from string */ - if (ch == '.') - { - *f++ = ch; - ch = *p++; - want_width = 0; - if (ch == '*') - { - if (SLang_pop_integer(&precis)) return (out); - ch = *p++; - want_width = 1; - } - else while ((ch <= '9') && (ch >= '0')) - { - precis = precis * 10 + (ch - '0'); - ch = *p++; - want_width = 1; - } - if (want_width) - { - sprintf(f, "%d", precis); - f += strlen (f); - } - else precis = 0; - } - - long_var = 0; - int_var = 0; - varp = NULL; - guess_size = 32; -#if SLANG_HAS_FLOAT - use_double = 0; -#endif - use_long = 0; - use_varp = 0; - do_free = 0; - - if (ch == 'l') - { - use_long = 1; - ch = *p++; - } - else if (ch == 'h') ch = *p++; /* not supported */ - - /* Now the actual format specifier */ - switch (ch) - { - case 'S': - _SLstring_intrinsic (); - ch = 's'; - /* drop */ - case 's': - if (SLang_pop_slstring((char **) &varp)) return (out); - do_free = 1; - guess_size = strlen((char *) varp); - use_varp = 1; - break; - - case '%': - guess_size = 1; - do_free = 0; - use_varp = 1; - varp = (VOID_STAR) "%"; - break; - - case 'c': guess_size = 1; - use_long = 0; - /* drop */ - case 'd': - case 'i': - case 'o': - case 'u': - case 'X': - case 'x': - if (SLang_pop_long (&long_var)) return(out); - if (use_long == 0) - int_var = (int) long_var; - else - *f++ = 'l'; - break; - - case 'f': - case 'e': - case 'g': - case 'E': - case 'G': -#if SLANG_HAS_FLOAT - if (SLang_pop_double(&x, &tmp1, &tmp2)) return (out); - use_double = 1; - guess_size = 256; - (void) tmp1; (void) tmp2; - use_long = 0; - break; -#endif - case 'p': - guess_size = 32; - /* Pointer type?? Why?? */ - if (-1 == SLdo_pop ()) - return out; - varp = (VOID_STAR) _SLStack_Pointer; - use_varp = 1; - use_long = 0; - break; - - default: - SLang_doerror("Invalid Format."); - return(out); - } - *f++ = ch; *f = 0; - - width = width + precis; - if (width > guess_size) guess_size = width; - - if (len + guess_size > malloc_len) - { - outp = (char *) SLrealloc(out, len + guess_size + 1); - if (outp == NULL) - { - SLang_Error = SL_MALLOC_ERROR; - return (out); - } - out = outp; - outp = out + len; - malloc_len = len + guess_size; - } - - if (use_varp) - { - sprintf(outp, dfmt, varp); - if (do_free) SLang_free_slstring ((char *)varp); - } -#if SLANG_HAS_FLOAT - else if (use_double) sprintf(outp, dfmt, x); -#endif - else if (use_long) sprintf (outp, dfmt, long_var); - else sprintf(outp, dfmt, int_var); - - len += strlen(outp); - outp = out + len; - fmt = p; - } - - if (out != NULL) - { - outp = SLrealloc (out, (unsigned int) (outp - out) + 1); - if (outp != NULL) out = outp; - } - - return (out); -} - -/*}}}*/ - -int _SLstrops_do_sprintf_n (int n) /*{{{*/ -{ - char *p; - char *fmt; - SLang_Object_Type *ptr; - int ofs; - - if (-1 == (ofs = SLreverse_stack (n + 1))) - return -1; - - ptr = _SLRun_Stack + ofs; - - if (SLang_pop_slstring(&fmt)) - return -1; - - p = SLdo_sprintf (fmt); - SLang_free_slstring (fmt); - - while (_SLStack_Pointer > ptr) - SLdo_pop (); - - if (SLang_Error) - { - SLfree (p); - return -1; - } - - return SLang_push_malloced_string (p); -} - -/*}}}*/ - -static void sprintf_n_cmd (int *n) -{ - _SLstrops_do_sprintf_n (*n); -} - -static void sprintf_cmd (void) -{ - _SLstrops_do_sprintf_n (SLang_Num_Function_Args - 1); /* do not include format */ -} - -/* converts string s to a form that can be used in an eval */ -static void make_printable_string(char *s) /*{{{*/ -{ - unsigned int len; - register char *s1 = s, ch, *ss1; - char *ss; - - /* compute length */ - len = 3; - while ((ch = *s1++) != 0) - { - if ((ch == '\n') || (ch == '\\') || (ch == '"')) len++; - len++; - } - - if (NULL == (ss = SLmalloc(len))) - return; - - s1 = s; - ss1 = ss; - *ss1++ = '"'; - while ((ch = *s1++) != 0) - { - if (ch == '\n') - { - ch = 'n'; - *ss1++ = '\\'; - } - else if ((ch == '\\') || (ch == '"')) - { - *ss1++ = '\\'; - } - *ss1++ = ch; - } - *ss1++ = '"'; - *ss1 = 0; - if (-1 == SLang_push_string (ss)) - SLfree (ss); -} - -/*}}}*/ - -static int is_list_element_cmd (char *list, char *elem, int *d_ptr) -{ - char ch; - int d, n; - unsigned int len; - char *lbeg, *lend; - - d = *d_ptr; - - len = strlen (elem); - - n = 1; - lend = list; - - while (1) - { - lbeg = lend; - while ((0 != (ch = *lend)) && (ch != (char) d)) lend++; - - if ((lbeg + len == lend) - && (0 == strncmp (elem, lbeg, len))) - break; - - if (ch == 0) - { - n = 0; - break; - } - lend++; /* skip delim */ - n++; - } - - return n; -} - -/*}}}*/ - -/* Regular expression routines for strings */ -static SLRegexp_Type regexp_reg; - -static int string_match_cmd (char *str, char *pat, int *nptr) /*{{{*/ -{ - int n; - unsigned int len; - unsigned char rbuf[512], *match; - - n = *nptr; - - regexp_reg.case_sensitive = 1; - regexp_reg.buf = rbuf; - regexp_reg.pat = (unsigned char *) pat; - regexp_reg.buf_len = sizeof (rbuf); - - if (SLang_regexp_compile (®exp_reg)) - { - SLang_verror (SL_INVALID_PARM, "Unable to compile pattern"); - return -1; - } - - n--; - len = strlen(str); - if ((n < 0) || ((unsigned int) n >= len)) - { - /* SLang_Error = SL_INVALID_PARM; */ - return 0; - } - - str += n; - len -= n; - - if (NULL == (match = SLang_regexp_match((unsigned char *) str, len, ®exp_reg))) - return 0; - - /* adjust offsets */ - regexp_reg.offset = n; - - return (1 + (int) ((char *) match - str)); -} - -/*}}}*/ - -static int string_match_nth_cmd (int *nptr) /*{{{*/ -{ - int n, beg; - - n = *nptr; - - if ((n < 0) || (n > 9) || (regexp_reg.pat == NULL) - || ((beg = regexp_reg.beg_matches[n]) == -1)) - { - SLang_Error = SL_INVALID_PARM; - return -1; - } - SLang_push_integer(beg + regexp_reg.offset); - return regexp_reg.end_matches[n]; -} - -/*}}}*/ - -static char *create_delimited_string (char **list, unsigned int n, - char *delim) -{ - unsigned int len, dlen; - unsigned int i; - unsigned int num; - char *str, *s; - - len = 1; /* allow room for \0 char */ - num = 0; - for (i = 0; i < n; i++) - { - if (list[i] == NULL) continue; - len += strlen (list[i]); - num++; - } - - dlen = strlen (delim); - if (num > 1) - len += (num - 1) * dlen; - - if (NULL == (str = SLmalloc (len))) - return NULL; - - *str = 0; - s = str; - i = 0; - - while (num > 1) - { - while (list[i] == NULL) - i++; - - strcpy (s, list[i]); - s += strlen (list[i]); - strcpy (s, delim); - s += dlen; - i++; - num--; - } - - if (num) - { - while (list[i] == NULL) - i++; - - strcpy (s, list[i]); - } - - return str; -} - -static void create_delimited_string_cmd (int *nptr) -{ - unsigned int n, i; - char **strings; - char *str; - - str = NULL; - - n = 1 + (unsigned int) *nptr; /* n includes delimiter */ - - if (NULL == (strings = (char **)SLmalloc (n * sizeof (char *)))) - { - SLdo_pop_n (n); - return; - } - memset((char *)strings, 0, n * sizeof (char *)); - - i = n; - while (i != 0) - { - i--; - if (-1 == SLang_pop_slstring (strings + i)) - goto return_error; - } - - str = create_delimited_string (strings + 1, (n - 1), strings[0]); - /* drop */ - return_error: - for (i = 0; i < n; i++) SLang_free_slstring (strings[i]); - SLfree ((char *)strings); - - (void) SLang_push_malloced_string (str); /* NULL Ok */ -} - -static void strjoin_cmd (char *delim) -{ - SLang_Array_Type *at; - char *str; - - if (-1 == SLang_pop_array_of_type (&at, SLANG_STRING_TYPE)) - return; - - str = create_delimited_string ((char **)at->data, at->num_elements, delim); - SLang_free_array (at); - (void) SLang_push_malloced_string (str); /* NULL Ok */ -} - -static void str_delete_chars_cmd (char *s, char *d) -{ - unsigned char lut[256]; - unsigned char *s1, *s2; - unsigned char ch; - - make_lut ((unsigned char *)d, lut); - if (NULL == (s = SLmake_string (s))) - return; - - s1 = s2 = (unsigned char *) s; - while ((ch = *s2++) != 0) - { - if (0 == lut[ch]) - *s1++ = ch; - } - *s1 = 0; - - (void) SLang_push_malloced_string (s); -} - -static unsigned char *make_lut_string (unsigned char *s) -{ - unsigned char lut[256]; - unsigned char *l; - unsigned int i; - - /* Complement-- a natural order is imposed */ - make_lut (s, lut); - l = lut; - for (i = 1; i < 256; i++) - { - if (lut[i]) - *l++ = (unsigned char) i; - } - *l = 0; - return (unsigned char *) SLmake_string ((char *)lut); -} - -static unsigned char *make_str_range (unsigned char *s) -{ - unsigned char *s1, *range; - unsigned int num; - unsigned char ch; - int len; - - if (*s == '^') - return make_lut_string (s); - - num = 0; - s1 = s; - while ((ch = *s1++) != 0) - { - unsigned char ch1; - - ch1 = *s1; - if (ch1 == '-') - { - s1++; - ch1 = *s1; - len = (int)ch1 - (int)ch; - if (len < 0) - len = -len; - - num += (unsigned int) len; - if (ch1 != 0) - s1++; - } - - num++; - } - - range = (unsigned char *)SLmalloc (num + 1); - if (range == NULL) - return NULL; - - s1 = s; - s = range; - while ((ch = *s1++) != 0) - { - unsigned char ch1; - unsigned int i; - - ch1 = *s1; - if (ch1 != '-') - { - *s++ = ch; - continue; - } - - s1++; - ch1 = *s1; - - if (ch > ch1) - { - if (ch1 == 0) - ch1 = 1; - - for (i = (unsigned int) ch; i >= (unsigned int) ch1; i--) - *s++ = (unsigned char) i; - - if (*s1 == 0) - break; - } - else - { - for (i = (unsigned int) ch; i <= (unsigned int) ch1; i++) - *s++ = (unsigned char) i; - } - s1++; - } - -#if 0 - if (range + num != s) - SLang_verror (SL_INTERNAL_ERROR, "make_str_range: num wrong"); -#endif - *s = 0; - - return range; -} - -static void strtrans_cmd (char *s, unsigned char *from, unsigned char *to) -{ - unsigned char map[256]; - char *s1; - unsigned int i; - unsigned char ch; - unsigned char last_to; - unsigned char *from_range, *to_range; - - for (i = 0; i < 256; i++) map[i] = (unsigned char) i; - - if (*to == 0) - { - str_delete_chars_cmd (s, (char *)from); - return; - } - - from_range = make_str_range (from); - if (from_range == NULL) - return; - to_range = make_str_range (to); - if (to_range == NULL) - { - SLfree ((char *)from_range); - return; - } - - from = from_range; - to = to_range; - - last_to = 0; - while ((ch = *from++) != 0) - { - unsigned char to_ch; - - if (0 == (to_ch = *to++)) - { - do - { - map[ch] = last_to; - } - while (0 != (ch = *from++)); - break; - } - - last_to = map[ch] = to_ch; - } - - SLfree ((char *)from_range); - SLfree ((char *)to_range); - - s = SLmake_string (s); - if (s == NULL) - return; - - s1 = s; - while ((ch = (unsigned char) *s1) != 0) - *s1++ = (char) map[ch]; - - (void) SLang_push_malloced_string (s); -} - - -static SLang_Intrin_Fun_Type Strops_Table [] = /*{{{*/ -{ - MAKE_INTRINSIC_I("create_delimited_string", create_delimited_string_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_SS("strcmp", strcmp_cmd, SLANG_INT_TYPE), - MAKE_INTRINSIC_SSI("strncmp", strncmp_cmd, SLANG_INT_TYPE), - MAKE_INTRINSIC_0("strcat", strcat_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_S("strlen", strlen_cmd, SLANG_INT_TYPE), - MAKE_INTRINSIC_SII("strchop", strchop_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_SII("strchopr", strchopr_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_I("strreplace", strreplace_cmd, SLANG_INT_TYPE), - MAKE_INTRINSIC_SSS("str_replace", str_replace_cmd, SLANG_INT_TYPE), - MAKE_INTRINSIC_SII("substr", substr_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_SS("is_substr", issubstr_cmd, SLANG_INT_TYPE), - MAKE_INTRINSIC_II("strsub", strsub_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_SII("extract_element", extract_element_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_SSI("is_list_element", is_list_element_cmd, SLANG_INT_TYPE), - MAKE_INTRINSIC_SSI("string_match", string_match_cmd, SLANG_INT_TYPE), - MAKE_INTRINSIC_I("string_match_nth", string_match_nth_cmd, SLANG_INT_TYPE), - MAKE_INTRINSIC_0("strlow", strlow_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_I("tolower", tolower_cmd, SLANG_INT_TYPE), - MAKE_INTRINSIC_I("toupper", toupper_cmd, SLANG_INT_TYPE), - MAKE_INTRINSIC_0("strup", strup_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_S("isdigit", isdigit_cmd, SLANG_INT_TYPE), - MAKE_INTRINSIC_S("strtrim", strtrim_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_S("strtrim_end", strtrim_end_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_S("strtrim_beg", strtrim_beg_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_0("strcompress", strcompress_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_I("Sprintf", sprintf_n_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_0("sprintf", sprintf_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_0("sscanf", _SLang_sscanf, SLANG_INT_TYPE), - MAKE_INTRINSIC_S("make_printable_string", make_printable_string, SLANG_VOID_TYPE), - MAKE_INTRINSIC_SSI("str_quote_string", str_quote_string_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_SSS("str_uncomment_string", str_uncomment_string_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_II("define_case", SLang_define_case, SLANG_VOID_TYPE), - MAKE_INTRINSIC_S("strtok", strtok_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_S("strjoin", strjoin_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_SSS("strtrans", strtrans_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_SS("str_delete_chars", str_delete_chars_cmd, SLANG_VOID_TYPE), - - SLANG_END_INTRIN_FUN_TABLE -}; - -/*}}}*/ - -int _SLang_init_slstrops (void) -{ - return SLadd_intrin_fun_table (Strops_Table, NULL); -} diff --git a/mdk-stage1/slang/slstruct.c b/mdk-stage1/slang/slstruct.c deleted file mode 100644 index 33d182373..000000000 --- a/mdk-stage1/slang/slstruct.c +++ /dev/null @@ -1,932 +0,0 @@ -/* Structure type implementation */ -/* Copyright (c) 1998, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ -#include "slinclud.h" - -#define SL_APP_WANTS_FOREACH -#include "slang.h" -#include "_slang.h" - -void _SLstruct_delete_struct (_SLang_Struct_Type *s) -{ - _SLstruct_Field_Type *field, *field_max; - - if (s == NULL) return; - - if (s->num_refs > 1) - { - s->num_refs -= 1; - return; - } - - field = s->fields; - if (field != NULL) - { - field_max = field + s->nfields; - - while (field < field_max) - { - SLang_free_object (&field->obj); - SLang_free_slstring (field->name); /* could be NULL */ - field++; - } - SLfree ((char *) s->fields); - } - SLfree ((char *) s); -} - -static _SLang_Struct_Type *allocate_struct (unsigned int nfields) -{ - _SLang_Struct_Type *s; - _SLstruct_Field_Type *f; - unsigned int i, size; - - s = (_SLang_Struct_Type *) SLmalloc (sizeof (_SLang_Struct_Type)); - if (s == NULL) return NULL; - - SLMEMSET((char *) s, 0, sizeof (_SLang_Struct_Type)); - - size = nfields * sizeof(_SLstruct_Field_Type); - if (NULL == (f = (_SLstruct_Field_Type *) SLmalloc (size))) - { - SLfree ((char *) s); - return NULL; - } - SLMEMSET ((char *) f, 0, size); - s->nfields = nfields; - s->fields = f; - - /* By default, all structs will be created with elements set to NULL. I - * do not know whether or not it is better to use SLANG_UNDEFINED_TYPE. - */ - for (i = 0; i < nfields; i++) - f[i].obj.data_type = SLANG_NULL_TYPE; - - return s; -} - -static int push_struct_of_type (unsigned char type, _SLang_Struct_Type *s) -{ - SLang_Object_Type obj; - - obj.data_type = type; - obj.v.struct_val = s; - s->num_refs += 1; - - if (0 == SLang_push (&obj)) - return 0; - - s->num_refs -= 1; - return -1; -} - -int _SLang_push_struct (_SLang_Struct_Type *s) -{ - return push_struct_of_type (SLANG_STRUCT_TYPE, s); -} - -int _SLang_pop_struct (_SLang_Struct_Type **sp) -{ - SLang_Object_Type obj; - SLang_Class_Type *cl; - unsigned char type; - - if (0 != SLang_pop (&obj)) - return -1; - - type = obj.data_type; - if (type != SLANG_STRUCT_TYPE) - { - cl = _SLclass_get_class (type); - if (cl->cl_struct_def == NULL) - { - *sp = NULL; - SLang_free_object (&obj); - SLang_verror (SL_TYPE_MISMATCH, - "Expecting struct type object. Found %s", - cl->cl_name); - return -1; - } - } - - *sp = obj.v.struct_val; - return 0; -} - -static void struct_destroy (unsigned char type, VOID_STAR vs) -{ - (void) type; - _SLstruct_delete_struct (*(_SLang_Struct_Type **) vs); -} - -static int struct_push (unsigned char type, VOID_STAR ptr) -{ - return push_struct_of_type (type, *(_SLang_Struct_Type **) ptr); -} - -static _SLstruct_Field_Type *find_field (_SLang_Struct_Type *s, char *name) -{ - _SLstruct_Field_Type *f, *fmax; - - f = s->fields; - fmax = f + s->nfields; - - while (f < fmax) - { - /* Since both these are slstrings, only compare pointer */ - if (name == f->name) - return f; - - f++; - } - - return NULL; -} - -static _SLstruct_Field_Type *pop_field (_SLang_Struct_Type *s, char *name) -{ - _SLstruct_Field_Type *f; - - f = find_field (s, name); - if (f == NULL) - SLang_verror (SL_SYNTAX_ERROR, "struct has no field named %s", name); - return f; -} - -int SLstruct_create_struct (unsigned int nfields, - char **field_names, - unsigned char *field_types, - VOID_STAR *field_values) -{ - _SLang_Struct_Type *s; - _SLstruct_Field_Type *f; - unsigned int i; - - if (NULL == (s = allocate_struct (nfields))) - return -1; - - f = s->fields; - for (i = 0; i < nfields; i++) - { - unsigned char type; - SLang_Class_Type *cl; - VOID_STAR value; - char *name = field_names [i]; - - if (name == NULL) - { - SLang_verror (SL_INVALID_PARM, "A struct field name cannot be NULL"); - goto return_error; - } - - if (NULL == (f->name = SLang_create_slstring (name))) - goto return_error; - - if ((field_values == NULL) - || (NULL == (value = field_values [i]))) - { - f++; - continue; - } - - type = field_types[i]; - cl = _SLclass_get_class (type); - - if ((-1 == (cl->cl_push (type, value))) - || (-1 == SLang_pop (&f->obj))) - goto return_error; - - f++; - } - - if (0 == _SLang_push_struct (s)) - return 0; - /* drop */ - - return_error: - _SLstruct_delete_struct (s); - return -1; -} - -/* Interpreter interface */ - -int _SLstruct_define_struct (void) -{ - int nfields; - _SLang_Struct_Type *s; - _SLstruct_Field_Type *f; - - if (-1 == SLang_pop_integer (&nfields)) - return -1; - - if (nfields <= 0) - { - SLang_verror (SL_INVALID_PARM, "Number of struct fields must be > 0"); - return -1; - } - - if (NULL == (s = allocate_struct (nfields))) - return -1; - - f = s->fields; - while (nfields) - { - char *name; - - nfields--; - if (-1 == SLang_pop_slstring (&name)) - { - _SLstruct_delete_struct (s); - return -1; - } - f[nfields].name = name; - } - - if (-1 == _SLang_push_struct (s)) - { - _SLstruct_delete_struct (s); - return -1; - } - return 0; -} - -/* Simply make a struct that contains the same fields as struct s. Do not - * duplicate the field values. - */ -static _SLang_Struct_Type *make_struct_shell (_SLang_Struct_Type *s) -{ - _SLang_Struct_Type *new_s; - _SLstruct_Field_Type *new_f, *old_f; - unsigned int i, nfields; - - nfields = s->nfields; - if (NULL == (new_s = allocate_struct (nfields))) - return NULL; - - new_f = new_s->fields; - old_f = s->fields; - - for (i = 0; i < nfields; i++) - { - if (NULL == (new_f[i].name = SLang_create_slstring (old_f[i].name))) - { - _SLstruct_delete_struct (new_s); - return NULL; - } - } - return new_s; -} - -static int struct_init_array_object (unsigned char type, VOID_STAR addr) -{ - SLang_Class_Type *cl; - _SLang_Struct_Type *s; - - cl = _SLclass_get_class (type); - if (NULL == (s = make_struct_shell (cl->cl_struct_def))) - return -1; - - s->num_refs = 1; - *(_SLang_Struct_Type **) addr = s; - return 0; -} - -static int -typedefed_struct_datatype_deref (unsigned char type) -{ - SLang_Class_Type *cl; - _SLang_Struct_Type *s; - - cl = _SLclass_get_class (type); - if (NULL == (s = make_struct_shell (cl->cl_struct_def))) - return -1; - - if (-1 == push_struct_of_type (type, s)) - { - _SLstruct_delete_struct (s); - return -1; - } - - return 0; -} - -static _SLang_Struct_Type *duplicate_struct (_SLang_Struct_Type *s) -{ - _SLang_Struct_Type *new_s; - _SLstruct_Field_Type *new_f, *f, *fmax; - - new_s = make_struct_shell (s); - - if (new_s == NULL) - return NULL; - - f = s->fields; - fmax = f + s->nfields; - new_f = new_s->fields; - - while (f < fmax) - { - SLang_Object_Type *obj; - - obj = &f->obj; - if (obj->data_type != SLANG_UNDEFINED_TYPE) - { - if ((-1 == _SLpush_slang_obj (obj)) - || (-1 == SLang_pop (&new_f->obj))) - { - _SLstruct_delete_struct (new_s); - return NULL; - } - } - new_f++; - f++; - } - - return new_s; -} - -static int struct_dereference (unsigned char type, VOID_STAR addr) -{ - _SLang_Struct_Type *s; - - if (NULL == (s = duplicate_struct (*(_SLang_Struct_Type **) addr))) - return -1; - - if (-1 == push_struct_of_type (type, s)) - { - _SLstruct_delete_struct (s); - return -1; - } - - return 0; -} - -/*{{{ foreach */ - -struct _SLang_Foreach_Context_Type -{ - _SLang_Struct_Type *s; - char *next_field_name; -}; - -static SLang_Foreach_Context_Type * -struct_foreach_open (unsigned char type, unsigned int num) -{ - SLang_Foreach_Context_Type *c; - _SLang_Struct_Type *s; - char *next_name; - - (void) type; - - if (-1 == _SLang_pop_struct (&s)) - return NULL; - - switch (num) - { - case 0: - next_name = SLang_create_slstring ("next"); - break; - - case 1: - if (-1 == SLang_pop_slstring (&next_name)) - next_name = NULL; - break; - - default: - next_name = NULL; - SLang_verror (SL_NOT_IMPLEMENTED, - "'foreach (Struct_Type) using' requires single control value"); - SLdo_pop_n (num); - break; - } - - if (next_name == NULL) - { - _SLstruct_delete_struct (s); - return NULL; - } - - c = (SLang_Foreach_Context_Type *)SLmalloc (sizeof (SLang_Foreach_Context_Type)); - if (c == NULL) - { - _SLstruct_delete_struct (s); - SLang_free_slstring (next_name); - return NULL; - } - memset ((char *) c, 0, sizeof (SLang_Foreach_Context_Type)); - - c->next_field_name = next_name; - c->s = s; - - return c; -} - -static void struct_foreach_close (unsigned char type, SLang_Foreach_Context_Type *c) -{ - (void) type; - if (c == NULL) return; - - SLang_free_slstring (c->next_field_name); - if (c->s != NULL) _SLstruct_delete_struct (c->s); - SLfree ((char *) c); -} - -static int struct_foreach (unsigned char type, SLang_Foreach_Context_Type *c) -{ - _SLstruct_Field_Type *f; - _SLang_Struct_Type *next_s; - - (void) type; - - if (c == NULL) - return -1; - - if (c->s == NULL) - return 0; /* done */ - - if (-1 == _SLang_push_struct (c->s)) - return -1; - - /* Now get the next one ready for the next foreach loop */ - - next_s = NULL; - if (NULL != (f = find_field (c->s, c->next_field_name))) - { - SLang_Class_Type *cl; - - cl = _SLclass_get_class (f->obj.data_type); - /* Note that I cannot simply look for SLANG_STRUCT_TYPE since the - * user may have typedefed another struct type. So, look at the - * class methods. - */ - if (cl->cl_foreach_open == struct_foreach_open) - { - next_s = f->obj.v.struct_val; - next_s->num_refs += 1; - } - } - - _SLstruct_delete_struct (c->s); - c->s = next_s; - - /* keep going */ - return 1; -} - -/*}}}*/ - -static int struct_sput (unsigned char type, char *name) -{ - _SLang_Struct_Type *s; - _SLstruct_Field_Type *f; - SLang_Object_Type obj; - - (void) type; - - if (-1 == _SLang_pop_struct (&s)) - return -1; - - if ((NULL == (f = pop_field (s, name))) - || (-1 == SLang_pop (&obj))) - { - _SLstruct_delete_struct (s); - return -1; - } - - SLang_free_object (&f->obj); - f->obj = obj; - _SLstruct_delete_struct (s); - return 0; -} - -static int struct_sget (unsigned char type, char *name) -{ - _SLang_Struct_Type *s; - _SLstruct_Field_Type *f; - int ret; - - (void) type; - - if (-1 == _SLang_pop_struct (&s)) - return -1; - - if (NULL == (f = pop_field (s, name))) - { - _SLstruct_delete_struct (s); - return -1; - } - - ret = _SLpush_slang_obj (&f->obj); - _SLstruct_delete_struct (s); - return ret; -} - -static int struct_typecast - (unsigned char a_type, VOID_STAR ap, unsigned int na, - unsigned char b_type, VOID_STAR bp) -{ - _SLang_Struct_Type **a, **b; - unsigned int i; - - (void) a_type; - (void) b_type; - - a = (_SLang_Struct_Type **) ap; - b = (_SLang_Struct_Type **) bp; - for (i = 0; i < na; i++) - { - b[i] = a[i]; - if (a[i] != NULL) - a[i]->num_refs += 1; - } - - return 1; -} - -int _SLstruct_define_typedef (void) -{ - char *type_name; - _SLang_Struct_Type *s, *s1; - SLang_Class_Type *cl; - - if (-1 == SLang_pop_slstring (&type_name)) - return -1; - - if (-1 == _SLang_pop_struct (&s)) - { - SLang_free_slstring (type_name); - return -1; - } - - if (NULL == (s1 = make_struct_shell (s))) - { - SLang_free_slstring (type_name); - _SLstruct_delete_struct (s); - return -1; - } - - _SLstruct_delete_struct (s); - - if (NULL == (cl = SLclass_allocate_class (type_name))) - { - SLang_free_slstring (type_name); - _SLstruct_delete_struct (s1); - return -1; - } - SLang_free_slstring (type_name); - - cl->cl_struct_def = s1; - cl->cl_init_array_object = struct_init_array_object; - cl->cl_datatype_deref = typedefed_struct_datatype_deref; - cl->cl_destroy = struct_destroy; - cl->cl_push = struct_push; - cl->cl_dereference = struct_dereference; - cl->cl_foreach_open = struct_foreach_open; - cl->cl_foreach_close = struct_foreach_close; - cl->cl_foreach = struct_foreach; - - cl->cl_sget = struct_sget; - cl->cl_sput = struct_sput; - - if (-1 == SLclass_register_class (cl, - SLANG_VOID_TYPE, /* any open slot */ - sizeof (_SLang_Struct_Type), - SLANG_CLASS_TYPE_PTR)) - { - /* FIXME: Priority=low */ - /* There is a memory leak here if this fails... */ - return -1; - } - /* Note: typecast from a user type struct type allowed but not the other - * way. - */ - if (-1 == SLclass_add_typecast (cl->cl_data_type, SLANG_STRUCT_TYPE, struct_typecast, 1)) - return -1; - - return 0; -} - -static int -struct_datatype_deref (unsigned char stype) -{ - (void) stype; - - if (SLang_peek_at_stack () == SLANG_ARRAY_TYPE) - { - SLang_Array_Type *at; - int status; - - if (-1 == SLang_pop_array_of_type (&at, SLANG_STRING_TYPE)) - return -1; - - status = SLstruct_create_struct (at->num_elements, - (char **) at->data, NULL, NULL); - - SLang_free_array (at); - return status; - } - - SLang_push_integer (SLang_Num_Function_Args); - return _SLstruct_define_struct (); -} - -static int register_struct (void) -{ - SLang_Class_Type *cl; - - if (NULL == (cl = SLclass_allocate_class ("Struct_Type"))) - return -1; - - (void) SLclass_set_destroy_function (cl, struct_destroy); - (void) SLclass_set_push_function (cl, struct_push); - cl->cl_dereference = struct_dereference; - cl->cl_datatype_deref = struct_datatype_deref; - - cl->cl_foreach_open = struct_foreach_open; - cl->cl_foreach_close = struct_foreach_close; - cl->cl_foreach = struct_foreach; - - cl->cl_sget = struct_sget; - cl->cl_sput = struct_sput; - - if (-1 == SLclass_register_class (cl, SLANG_STRUCT_TYPE, sizeof (_SLang_Struct_Type), - SLANG_CLASS_TYPE_PTR)) - return -1; - - return 0; -} - -static void get_struct_field_names (_SLang_Struct_Type *s) -{ - SLang_Array_Type *a; - char **data; - int i, nfields; - _SLstruct_Field_Type *f; - - nfields = (int) s->nfields; - - if (NULL == (a = SLang_create_array (SLANG_STRING_TYPE, 0, NULL, &nfields, 1))) - return; - - f = s->fields; - data = (char **) a->data; - for (i = 0; i < nfields; i++) - { - /* Since we are dealing with hashed strings, the next call should not - * fail. If it does, the interpreter will handle it at some other - * level. - */ - data [i] = SLang_create_slstring (f[i].name); - } - - SLang_push_array (a, 1); -} - -static int push_struct_fields (_SLang_Struct_Type *s) -{ - _SLstruct_Field_Type *f, *fmax; - int num; - - f = s->fields; - fmax = f + s->nfields; - - num = 0; - while (fmax > f) - { - fmax--; - if (-1 == _SLpush_slang_obj (&fmax->obj)) - break; - - num++; - } - - return num; -} - -/* Syntax: set_struct_field (s, name, value); */ -static void struct_set_field (void) -{ - _SLang_Struct_Type *s; - _SLstruct_Field_Type *f; - SLang_Object_Type obj; - char *name; - - if (-1 == SLang_pop (&obj)) - return; - - if (-1 == SLang_pop_slstring (&name)) - { - SLang_free_object (&obj); - return; - } - - if (-1 == _SLang_pop_struct (&s)) - { - SLang_free_slstring (name); - SLang_free_object (&obj); - return; - } - - if (NULL == (f = pop_field (s, name))) - { - _SLstruct_delete_struct (s); - SLang_free_slstring (name); - SLang_free_object (&obj); - return; - } - - SLang_free_object (&f->obj); - f->obj = obj; - - _SLstruct_delete_struct (s); - SLang_free_slstring (name); -} - -/* Syntax: set_struct_fields (s, values....); */ -static void set_struct_fields (void) -{ - unsigned int n; - _SLang_Struct_Type *s; - _SLstruct_Field_Type *f; - - n = (unsigned int) SLang_Num_Function_Args; - - if (-1 == SLreverse_stack (n)) - return; - - n--; - if (-1 == _SLang_pop_struct (&s)) - { - SLdo_pop_n (n); - return; - } - - if (n > s->nfields) - { - SLdo_pop_n (n); - SLang_verror (SL_INVALID_PARM, "Too many values for structure"); - _SLstruct_delete_struct (s); - return; - } - - f = s->fields; - while (n > 0) - { - SLang_Object_Type obj; - - if (-1 == SLang_pop (&obj)) - break; - - SLang_free_object (&f->obj); - f->obj = obj; - - f++; - n--; - } - - _SLstruct_delete_struct (s); -} - -static void get_struct_field (char *name) -{ - (void) struct_sget (0, name); -} - -static int is_struct_type (void) -{ - SLang_Object_Type obj; - unsigned char type; - int status; - - if (-1 == SLang_pop (&obj)) - return -1; - - type = obj.data_type; - if (type == SLANG_STRUCT_TYPE) - status = 1; - else - status = (NULL != _SLclass_get_class (type)->cl_struct_def); - SLang_free_object (&obj); - return status; -} - - -static SLang_Intrin_Fun_Type Struct_Table [] = -{ - MAKE_INTRINSIC_1("get_struct_field_names", get_struct_field_names, SLANG_VOID_TYPE, SLANG_STRUCT_TYPE), - MAKE_INTRINSIC_1("get_struct_field", get_struct_field, SLANG_VOID_TYPE, SLANG_STRING_TYPE), - MAKE_INTRINSIC_1("_push_struct_field_values", push_struct_fields, SLANG_INT_TYPE, SLANG_STRUCT_TYPE), - MAKE_INTRINSIC_0("set_struct_field", struct_set_field, SLANG_VOID_TYPE), - MAKE_INTRINSIC_0("set_struct_fields", set_struct_fields, SLANG_VOID_TYPE), - MAKE_INTRINSIC_0("is_struct_type", is_struct_type, SLANG_INT_TYPE), - /* MAKE_INTRINSIC_I("_create_struct", create_struct, SLANG_VOID_TYPE), */ - SLANG_END_INTRIN_FUN_TABLE -}; - -int _SLstruct_init (void) -{ - if ((-1 == SLadd_intrin_fun_table (Struct_Table, NULL)) - || (-1 == register_struct ())) - return -1; - - return 0; -} - -void _SLstruct_pop_args (int *np) -{ - SLang_Array_Type *at; - int i, n; - _SLang_Struct_Type **data; - - n = *np; - - if (n < 0) - { - SLang_Error = SL_INVALID_PARM; - return; - } - - data = (_SLang_Struct_Type **) SLmalloc ((n + 1) * sizeof (_SLang_Struct_Type *)); - if (data == NULL) - { - SLdo_pop_n (n); - return; - } - - memset ((char *)data, 0, n * sizeof (_SLang_Struct_Type *)); - - i = n; - while (i > 0) - { - _SLang_Struct_Type *s; - _SLstruct_Field_Type *f; - - i--; - - if (NULL == (s = allocate_struct (1))) - goto return_error; - - data[i] = s; - s->num_refs += 1; /* keeping a copy */ - - f = s->fields; - if (NULL == (f->name = SLang_create_slstring ("value"))) - goto return_error; - - if (-1 == SLang_pop (&f->obj)) - goto return_error; - } - - if (NULL == (at = SLang_create_array (SLANG_STRUCT_TYPE, 0, - (VOID_STAR) data, &n, 1))) - goto return_error; - - (void) SLang_push_array (at, 1); - return; - - return_error: - for (i = 0; i < n; i++) - { - _SLang_Struct_Type *s; - - s = data[i]; - if (s != NULL) - _SLstruct_delete_struct (s); - } - - SLfree ((char *) data); -} - -void _SLstruct_push_args (SLang_Array_Type *at) -{ - _SLang_Struct_Type **sp; - unsigned int num; - - if (at->data_type != SLANG_STRUCT_TYPE) - { - SLang_Error = SL_TYPE_MISMATCH; - return; - } - - sp = (_SLang_Struct_Type **) at->data; - num = at->num_elements; - - while ((SLang_Error == 0) && (num > 0)) - { - _SLang_Struct_Type *s; - - num--; - if (NULL == (s = *sp++)) - { - SLang_push_null (); - continue; - } - - /* I should check to see if the value field is present, but... */ - (void) _SLpush_slang_obj (&s->fields->obj); - } -} diff --git a/mdk-stage1/slang/sltermin.c b/mdk-stage1/slang/sltermin.c deleted file mode 100644 index f9c64f0b2..000000000 --- a/mdk-stage1/slang/sltermin.c +++ /dev/null @@ -1,1155 +0,0 @@ -/* This file contains enough terminfo reading capabilities sufficient for - * the slang SLtt interface. - */ - -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -/* - * The majority of the comments found in the file were taken from the - * term(4) man page on an SGI. - */ - -/* Short integers are stored in two 8-bit bytes. The first byte contains - * the least significant 8 bits of the value, and the second byte contains - * the most significant 8 bits. (Thus, the value represented is - * 256*second+first.) The value -1 is represented by 0377,0377, and the - * value -2 is represented by 0376,0377; other negative values are illegal. - * The -1 generally means that a capability is missing from this terminal. - * The -2 means that the capability has been cancelled in the terminfo - * source and also is to be considered missing. - */ - -static int make_integer (unsigned char *buf) -{ - register int lo, hi; - lo = (int) *buf++; hi = (int) *buf; - if (hi == 0377) - { - if (lo == 0377) return -1; - if (lo == 0376) return -2; - } - return lo + 256 * hi; -} - -/* - * The compiled file is created from the source file descriptions of the - * terminals (see the -I option of infocmp) by using the terminfo compiler, - * tic, and read by the routine setupterm [see curses(3X).] The file is - * divided into six parts in the following order: the header, terminal - * names, boolean flags, numbers, strings, and string table. - * - * The header section begins the file. This section contains six short - * integers in the format described below. These integers are (1) the magic - * number (octal 0432); (2) the size, in bytes, of the names section; (3) - * the number of bytes in the boolean section; (4) the number of short - * integers in the numbers section; (5) the number of offsets (short - * integers) in the strings section; (6) the size, in bytes, of the string - * table. - */ - -#define MAGIC 0432 - -/* In this structure, all char * fields are malloced EXCEPT if the - * structure is SLTERMCAP. In that case, only terminal_names is malloced - * and the other fields are pointers into it. - */ -struct _SLterminfo_Type -{ -#define SLTERMINFO 1 -#define SLTERMCAP 2 - unsigned int flags; - - unsigned int name_section_size; - char *terminal_names; - - unsigned int boolean_section_size; - unsigned char *boolean_flags; - - unsigned int num_numbers; - unsigned char *numbers; - - unsigned int num_string_offsets; - unsigned char *string_offsets; - - unsigned int string_table_size; - char *string_table; - -}; - -static char *tcap_getstr (char *, SLterminfo_Type *); -static int tcap_getnum (char *, SLterminfo_Type *); -static int tcap_getflag (char *, SLterminfo_Type *); -static int tcap_getent (char *, SLterminfo_Type *); - -static FILE *open_terminfo (char *file, SLterminfo_Type *h) -{ - FILE *fp; - unsigned char buf[12]; - - /* Alan Cox reported a security problem here if the application using the - * library is setuid. So, I need to make sure open the file as a normal - * user. Unfortunately, there does not appear to be a portable way of - * doing this, so I am going to use 'setfsgid' and 'setfsuid', which - * are not portable. - * - * I will also look into the use of setreuid, seteuid and setregid, setegid. - * FIXME: Priority=medium - */ - fp = fopen (file, "rb"); - if (fp == NULL) return NULL; - - if ((12 == fread ((char *) buf, 1, 12, fp) && (MAGIC == make_integer (buf)))) - { - h->name_section_size = make_integer (buf + 2); - h->boolean_section_size = make_integer (buf + 4); - h->num_numbers = make_integer (buf + 6); - h->num_string_offsets = make_integer (buf + 8); - h->string_table_size = make_integer (buf + 10); - } - else - { - fclose (fp); - fp = NULL; - } - return fp; -} - -/* - * The terminal names section comes next. It contains the first line of the - * terminfo description, listing the various names for the terminal, - * separated by the bar ( | ) character (see term(5)). The section is - * terminated with an ASCII NUL character. - */ - -/* returns pointer to malloced space */ -static unsigned char *read_terminfo_section (FILE *fp, unsigned int size) -{ - char *s; - - if (NULL == (s = (char *) SLmalloc (size))) return NULL; - if (size != fread (s, 1, size, fp)) - { - SLfree (s); - return NULL; - } - return (unsigned char *) s; -} - -static char *read_terminal_names (FILE *fp, SLterminfo_Type *t) -{ - return t->terminal_names = (char *) read_terminfo_section (fp, t->name_section_size); -} - -/* - * The boolean flags have one byte for each flag. This byte is either 0 or - * 1 as the flag is present or absent. The value of 2 means that the flag - * has been cancelled. The capabilities are in the same order as the file - * <term.h>. - */ - -static unsigned char *read_boolean_flags (FILE *fp, SLterminfo_Type *t) -{ - /* Between the boolean section and the number section, a null byte is - * inserted, if necessary, to ensure that the number section begins on an - * even byte offset. All short integers are aligned on a short word - * boundary. - */ - - unsigned int size = (t->name_section_size + t->boolean_section_size) % 2; - size += t->boolean_section_size; - - return t->boolean_flags = read_terminfo_section (fp, size); -} - -/* - * The numbers section is similar to the boolean flags section. Each - * capability takes up two bytes, and is stored as a short integer. If the - * value represented is -1 or -2, the capability is taken to be missing. - */ - -static unsigned char *read_numbers (FILE *fp, SLterminfo_Type *t) -{ - return t->numbers = read_terminfo_section (fp, 2 * t->num_numbers); -} - -/* The strings section is also similar. Each capability is stored as a - * short integer, in the format above. A value of -1 or -2 means the - * capability is missing. Otherwise, the value is taken as an offset from - * the beginning of the string table. Special characters in ^X or \c - * notation are stored in their interpreted form, not the printing - * representation. Padding information ($<nn>) and parameter information - * (%x) are stored intact in uninterpreted form. - */ - -static unsigned char *read_string_offsets (FILE *fp, SLterminfo_Type *t) -{ - return t->string_offsets = (unsigned char *) read_terminfo_section (fp, 2 * t->num_string_offsets); -} - -/* The final section is the string table. It contains all the values of - * string capabilities referenced in the string section. Each string is - * null terminated. - */ - -static char *read_string_table (FILE *fp, SLterminfo_Type *t) -{ - return t->string_table = (char *) read_terminfo_section (fp, t->string_table_size); -} - -/* - * Compiled terminfo(4) descriptions are placed under the directory - * /usr/share/lib/terminfo. In order to avoid a linear search of a huge - * UNIX system directory, a two-level scheme is used: - * /usr/share/lib/terminfo/c/name where name is the name of the terminal, - * and c is the first character of name. Thus, att4425 can be found in the - * file /usr/share/lib/terminfo/a/att4425. Synonyms for the same terminal - * are implemented by multiple links to the same compiled file. - */ - -#define MAX_TI_DIRS 7 -static char *Terminfo_Dirs [MAX_TI_DIRS] = -{ - NULL, /* $HOME/.terminfo */ - NULL, /* $TERMINFO */ - "/usr/share/terminfo", - "/usr/lib/terminfo", - "/usr/share/lib/terminfo", - "/etc/terminfo", - "/usr/local/lib/terminfo" -}; - -SLterminfo_Type *_SLtt_tigetent (char *term) -{ - char *tidir; - int i; - FILE *fp = NULL; - char file[1024]; - static char home_ti [1024]; - char *home; - SLterminfo_Type *ti; - - if ( - (term == NULL) -#ifdef SLANG_UNTIC - && (SLang_Untic_Terminfo_File == NULL) -#endif - ) - return NULL; - - if (NULL == (ti = (SLterminfo_Type *) SLmalloc (sizeof (SLterminfo_Type)))) - { - return NULL; - } - -#ifdef SLANG_UNTIC - if (SLang_Untic_Terminfo_File != NULL) - { - fp = open_terminfo (SLang_Untic_Terminfo_File, ti); - goto fp_open_label; - } - else -#endif - /* If we are on a termcap based system, use termcap */ - if (0 == tcap_getent (term, ti)) return ti; - - if (NULL != (home = getenv ("HOME"))) - { - strncpy (home_ti, home, sizeof (home_ti) - 11); - home_ti [sizeof(home_ti) - 11] = 0; - strcat (home_ti, "/.terminfo"); - Terminfo_Dirs [0] = home_ti; - } - - Terminfo_Dirs[1] = getenv ("TERMINFO"); - i = 0; - while (i < MAX_TI_DIRS) - { - tidir = Terminfo_Dirs[i]; - if ((tidir != NULL) - && (sizeof (file) > strlen (tidir) + 2 + strlen (term))) - { - sprintf (file, "%s/%c/%s", tidir, *term, term); - if (NULL != (fp = open_terminfo (file, ti))) - break; - } - i++; - } -#ifdef SLANG_UNTIC - fp_open_label: -#endif - - if (fp != NULL) - { - if (NULL != read_terminal_names (fp, ti)) - { - if (NULL != read_boolean_flags (fp, ti)) - { - if (NULL != read_numbers (fp, ti)) - { - if (NULL != read_string_offsets (fp, ti)) - { - if (NULL != read_string_table (fp, ti)) - { - /* success */ - fclose (fp); - ti->flags = SLTERMINFO; - return ti; - } - SLfree ((char *)ti->string_offsets); - } - SLfree ((char *)ti->numbers); - } - SLfree ((char *)ti->boolean_flags); - } - SLfree ((char *)ti->terminal_names); - } - fclose (fp); - } - - SLfree ((char *)ti); - return NULL; -} - -#ifdef SLANG_UNTIC -# define UNTIC_COMMENT(x) ,x -#else -# define UNTIC_COMMENT(x) -#endif - -typedef struct -{ - char name[3]; - int offset; -#ifdef SLANG_UNTIC - char *comment; -#endif -} -Tgetstr_Map_Type; - -/* I need to add: K1-5, %0-5(not important), @8, &8... */ -static Tgetstr_Map_Type Tgetstr_Map [] = -{ - {"!1", 212 UNTIC_COMMENT("shifted key")}, - {"!2", 213 UNTIC_COMMENT("shifted key")}, - {"!3", 214 UNTIC_COMMENT("shifted key")}, - {"#1", 198 UNTIC_COMMENT("shifted key")}, - {"#2", 199 UNTIC_COMMENT("Key S-Home")}, - {"#3", 200 UNTIC_COMMENT("Key S-Insert")}, - {"#4", 201 UNTIC_COMMENT("Key S-Left")}, - {"%0", 177 UNTIC_COMMENT("redo key")}, - {"%1", 168 UNTIC_COMMENT("help key")}, - {"%2", 169 UNTIC_COMMENT("mark key")}, - {"%3", 170 UNTIC_COMMENT("message key")}, - {"%4", 171 UNTIC_COMMENT("move key")}, - {"%5", 172 UNTIC_COMMENT("next key")}, - {"%6", 173 UNTIC_COMMENT("open key")}, - {"%7", 174 UNTIC_COMMENT("options key")}, - {"%8", 175 UNTIC_COMMENT("previous key")}, - {"%9", 176 UNTIC_COMMENT("print key")}, - {"%a", 202 UNTIC_COMMENT("shifted key")}, - {"%b", 203 UNTIC_COMMENT("shifted key")}, - {"%c", 204 UNTIC_COMMENT("Key S-Next")}, - {"%d", 205 UNTIC_COMMENT("shifted key")}, - {"%e", 206 UNTIC_COMMENT("Key S-Previous")}, - {"%f", 207 UNTIC_COMMENT("shifted key")}, - {"%g", 208 UNTIC_COMMENT("shifted key")}, - {"%h", 209 UNTIC_COMMENT("shifted key")}, - {"%i", 210 UNTIC_COMMENT("Key S-Right")}, - {"%j", 211 UNTIC_COMMENT("shifted key")}, - {"&0", 187 UNTIC_COMMENT("shifted key")}, - {"&1", 178 UNTIC_COMMENT("reference key")}, - {"&2", 179 UNTIC_COMMENT("refresh key")}, - {"&3", 180 UNTIC_COMMENT("replace key")}, - {"&4", 181 UNTIC_COMMENT("restart key")}, - {"&5", 182 UNTIC_COMMENT("resume key")}, - {"&6", 183 UNTIC_COMMENT("save key")}, - {"&7", 184 UNTIC_COMMENT("suspend key")}, - {"&8", 185 UNTIC_COMMENT("undo key")}, - {"&9", 186 UNTIC_COMMENT("shifted key")}, - {"*0", 197 UNTIC_COMMENT("shifted key")}, - {"*1", 188 UNTIC_COMMENT("shifted key")}, - {"*2", 189 UNTIC_COMMENT("shifted key")}, - {"*3", 190 UNTIC_COMMENT("shifted key")}, - {"*4", 191 UNTIC_COMMENT("Key S-Delete")}, - {"*5", 192 UNTIC_COMMENT("shifted key")}, - {"*6", 193 UNTIC_COMMENT("select key")}, - {"*7", 194 UNTIC_COMMENT("Key S-End")}, - {"*8", 195 UNTIC_COMMENT("shifted key")}, - {"*9", 196 UNTIC_COMMENT("shifted key")}, - {"@0", 167 UNTIC_COMMENT("find key")}, - {"@1", 158 UNTIC_COMMENT("begin key")}, - {"@2", 159 UNTIC_COMMENT("cancel key")}, - {"@3", 160 UNTIC_COMMENT("close key")}, - {"@4", 161 UNTIC_COMMENT("command key")}, - {"@5", 162 UNTIC_COMMENT("copy key")}, - {"@6", 163 UNTIC_COMMENT("create key")}, - {"@7", 164 UNTIC_COMMENT("Key End")}, - {"@8", 165 UNTIC_COMMENT("enter/send key")}, - {"@9", 166 UNTIC_COMMENT("exit key")}, - {"AB", 360 UNTIC_COMMENT("set ANSI color background")}, - {"AF", 359 UNTIC_COMMENT("set ANSI color foreground")}, - {"AL", 110 UNTIC_COMMENT("parm_insert_line")}, - {"CC", 9 UNTIC_COMMENT("terminal settable cmd character in prototype !?")}, - {"CM", 15 UNTIC_COMMENT("memory relative cursor addressing")}, - {"CW", 277 UNTIC_COMMENT("define a window #1 from #2, #3 to #4, #5")}, - {"DC", 105 UNTIC_COMMENT("delete #1 chars")}, - {"DI", 280 UNTIC_COMMENT("dial number #1")}, - {"DK", 275 UNTIC_COMMENT("display clock at (#1,#2)")}, - {"DL", 106 UNTIC_COMMENT("parm_delete_line")}, - {"DO", 107 UNTIC_COMMENT("down #1 lines")}, - {"F1", 216 UNTIC_COMMENT("key_f11")}, - {"F2", 217 UNTIC_COMMENT("key_f12")}, - {"F3", 218 UNTIC_COMMENT("key_f13")}, - {"F4", 219 UNTIC_COMMENT("key_f14")}, - {"F5", 220 UNTIC_COMMENT("key_f15")}, - {"F6", 221 UNTIC_COMMENT("key_f16")}, - {"F7", 222 UNTIC_COMMENT("key_f17")}, - {"F8", 223 UNTIC_COMMENT("key_f18")}, - {"F9", 224 UNTIC_COMMENT("key_f19")}, - {"FA", 225 UNTIC_COMMENT("key_f20")}, - {"FB", 226 UNTIC_COMMENT("F21 function key")}, - {"FC", 227 UNTIC_COMMENT("F22 function key")}, - {"FD", 228 UNTIC_COMMENT("F23 function key")}, - {"FE", 229 UNTIC_COMMENT("F24 function key")}, - {"FF", 230 UNTIC_COMMENT("F25 function key")}, - {"FG", 231 UNTIC_COMMENT("F26 function key")}, - {"FH", 232 UNTIC_COMMENT("F27 function key")}, - {"FI", 233 UNTIC_COMMENT("F28 function key")}, - {"FJ", 234 UNTIC_COMMENT("F29 function key")}, - {"FK", 235 UNTIC_COMMENT("F30 function key")}, - {"FL", 236 UNTIC_COMMENT("F31 function key")}, - {"FM", 237 UNTIC_COMMENT("F32 function key")}, - {"FN", 238 UNTIC_COMMENT("F33 function key")}, - {"FO", 239 UNTIC_COMMENT("F34 function key")}, - {"FP", 240 UNTIC_COMMENT("F35 function key")}, - {"FQ", 241 UNTIC_COMMENT("F36 function key")}, - {"FR", 242 UNTIC_COMMENT("F37 function key")}, - {"FS", 243 UNTIC_COMMENT("F38 function key")}, - {"FT", 244 UNTIC_COMMENT("F39 function key")}, - {"FU", 245 UNTIC_COMMENT("F40 function key")}, - {"FV", 246 UNTIC_COMMENT("F41 function key")}, - {"FW", 247 UNTIC_COMMENT("F42 function key")}, - {"FX", 248 UNTIC_COMMENT("F43 function key")}, - {"FY", 249 UNTIC_COMMENT("F44 function key")}, - {"FZ", 250 UNTIC_COMMENT("F45 function key")}, - {"Fa", 251 UNTIC_COMMENT("F46 function key")}, - {"Fb", 252 UNTIC_COMMENT("F47 function key")}, - {"Fc", 253 UNTIC_COMMENT("F48 function key")}, - {"Fd", 254 UNTIC_COMMENT("F49 function key")}, - {"Fe", 255 UNTIC_COMMENT("F50 function key")}, - {"Ff", 256 UNTIC_COMMENT("F51 function key")}, - {"Fg", 257 UNTIC_COMMENT("F52 function key")}, - {"Fh", 258 UNTIC_COMMENT("F53 function key")}, - {"Fi", 259 UNTIC_COMMENT("F54 function key")}, - {"Fj", 260 UNTIC_COMMENT("F55 function key")}, - {"Fk", 261 UNTIC_COMMENT("F56 function key")}, - {"Fl", 262 UNTIC_COMMENT("F57 function key")}, - {"Fm", 263 UNTIC_COMMENT("F58 function key")}, - {"Fn", 264 UNTIC_COMMENT("F59 function key")}, - {"Fo", 265 UNTIC_COMMENT("F60 function key")}, - {"Fp", 266 UNTIC_COMMENT("F61 function key")}, - {"Fq", 267 UNTIC_COMMENT("F62 function key")}, - {"Fr", 268 UNTIC_COMMENT("F63 function key")}, - {"G1", 400 UNTIC_COMMENT("single upper right")}, - {"G2", 398 UNTIC_COMMENT("single upper left")}, - {"G3", 399 UNTIC_COMMENT("single lower left")}, - {"G4", 401 UNTIC_COMMENT("single lower right")}, - {"GC", 408 UNTIC_COMMENT("single intersection")}, - {"GD", 405 UNTIC_COMMENT("tee pointing down")}, - {"GH", 406 UNTIC_COMMENT("single horizontal line")}, - {"GL", 403 UNTIC_COMMENT("tee pointing left")}, - {"GR", 402 UNTIC_COMMENT("tee pointing right")}, - {"GU", 404 UNTIC_COMMENT("tee pointing up")}, - {"GV", 407 UNTIC_COMMENT("single vertical line")}, - {"Gm", 358 UNTIC_COMMENT("Curses should get button events")}, - {"HU", 279 UNTIC_COMMENT("hang-up phone")}, - {"IC", 108 UNTIC_COMMENT("insert #1 chars")}, - {"Ic", 299 UNTIC_COMMENT("initialize color #1 to (#2,#3,#4)")}, - {"Ip", 300 UNTIC_COMMENT("Initialize color pair #1 to fg=(#2,#3,#4), bg=(#5,#6,#7)")}, - {"K1", 139 UNTIC_COMMENT("upper left of keypad")}, - {"K2", 141 UNTIC_COMMENT("center of keypad")}, - {"K3", 140 UNTIC_COMMENT("upper right of keypad")}, - {"K4", 142 UNTIC_COMMENT("lower left of keypad")}, - {"K5", 143 UNTIC_COMMENT("lower right of keypad")}, - {"Km", 355 UNTIC_COMMENT("Mouse event has occurred")}, - {"LE", 111 UNTIC_COMMENT("move #1 chars to the left")}, - {"LF", 157 UNTIC_COMMENT("turn off soft labels")}, - {"LO", 156 UNTIC_COMMENT("turn on soft labels")}, - {"Lf", 273 UNTIC_COMMENT("label format")}, - {"MC", 270 UNTIC_COMMENT("clear right and left soft margins")}, - {"ML", 271 UNTIC_COMMENT("set left soft margin")}, - {"ML", 368 UNTIC_COMMENT("Set both left and right margins to #1, #2")}, - {"MR", 272 UNTIC_COMMENT("set right soft margin")}, - {"MT", 369 UNTIC_COMMENT("Sets both top and bottom margins to #1, #2")}, - {"Mi", 356 UNTIC_COMMENT("Mouse status information")}, - {"PA", 285 UNTIC_COMMENT("pause for 2-3 seconds")}, - {"PU", 283 UNTIC_COMMENT("select pulse dialling")}, - {"QD", 281 UNTIC_COMMENT("dial number #1 without checking")}, - {"RA", 152 UNTIC_COMMENT("turn off automatic margins")}, - {"RC", 276 UNTIC_COMMENT("remove clock")}, - {"RF", 215 UNTIC_COMMENT("send next input char (for ptys)")}, - {"RI", 112 UNTIC_COMMENT("parm_right_cursor")}, - {"RQ", 357 UNTIC_COMMENT("Request mouse position")}, - {"RX", 150 UNTIC_COMMENT("turn off xon/xoff handshaking")}, - {"S1", 378 UNTIC_COMMENT("Display PC character")}, - {"S2", 379 UNTIC_COMMENT("Enter PC character display mode")}, - {"S3", 380 UNTIC_COMMENT("Exit PC character display mode")}, - {"S4", 381 UNTIC_COMMENT("Enter PC scancode mode")}, - {"S5", 382 UNTIC_COMMENT("Exit PC scancode mode")}, - {"S6", 383 UNTIC_COMMENT("PC terminal options")}, - {"S7", 384 UNTIC_COMMENT("Escape for scancode emulation")}, - {"S8", 385 UNTIC_COMMENT("Alternate escape for scancode emulation")}, - {"SA", 151 UNTIC_COMMENT("turn on automatic margins")}, - {"SC", 274 UNTIC_COMMENT("set clock, #1 hrs #2 mins #3 secs")}, - {"SF", 109 UNTIC_COMMENT("scroll forward #1 lines")}, - {"SR", 113 UNTIC_COMMENT("scroll back #1 lines")}, - {"SX", 149 UNTIC_COMMENT("turn on xon/xoff handshaking")}, - {"Sb", 303 UNTIC_COMMENT("set background (color)")}, - {"Sf", 302 UNTIC_COMMENT("set foreground (color)")}, - {"TO", 282 UNTIC_COMMENT("select touch tone dialing")}, - {"UP", 114 UNTIC_COMMENT("up #1 lines")}, - {"WA", 286 UNTIC_COMMENT("wait for dial-tone")}, - {"WG", 278 UNTIC_COMMENT("go to window #1")}, - {"XF", 154 UNTIC_COMMENT("XOFF character")}, - {"XN", 153 UNTIC_COMMENT("XON character")}, - {"Xh", 386 UNTIC_COMMENT("Enter horizontal highlight mode")}, - {"Xl", 387 UNTIC_COMMENT("Enter left highlight mode")}, - {"Xo", 388 UNTIC_COMMENT("Enter low highlight mode")}, - {"Xr", 389 UNTIC_COMMENT("Enter right highlight mode")}, - {"Xt", 390 UNTIC_COMMENT("Enter top highlight mode")}, - {"Xv", 391 UNTIC_COMMENT("Enter vertical highlight mode")}, - {"Xy", 370 UNTIC_COMMENT("Repeat bit image cell #1 #2 times")}, - {"YZ", 377 UNTIC_COMMENT("Set page length to #1 lines")}, - {"Yv", 372 UNTIC_COMMENT("Move to beginning of same row")}, - {"Yw", 373 UNTIC_COMMENT("Give name for color #1")}, - {"Yx", 374 UNTIC_COMMENT("Define rectangualar bit image region")}, - {"Yy", 375 UNTIC_COMMENT("End a bit-image region")}, - {"Yz", 376 UNTIC_COMMENT("Change to ribbon color #1")}, - {"ZA", 304 UNTIC_COMMENT("Change number of characters per inch")}, - {"ZB", 305 UNTIC_COMMENT("Change number of lines per inch")}, - {"ZC", 306 UNTIC_COMMENT("Change horizontal resolution")}, - {"ZD", 307 UNTIC_COMMENT("Change vertical resolution")}, - {"ZE", 308 UNTIC_COMMENT("Define a character")}, - {"ZF", 309 UNTIC_COMMENT("Enter double-wide mode")}, - {"ZG", 310 UNTIC_COMMENT("Enter draft-quality mode")}, - {"ZH", 311 UNTIC_COMMENT("Enter italic mode")}, - {"ZI", 312 UNTIC_COMMENT("Start leftward carriage motion")}, - {"ZJ", 313 UNTIC_COMMENT("Start micro-motion mode")}, - {"ZK", 314 UNTIC_COMMENT("Enter NLQ mode")}, - {"ZL", 315 UNTIC_COMMENT("Wnter normal-quality mode")}, - {"ZM", 316 UNTIC_COMMENT("Enter shadow-print mode")}, - {"ZN", 317 UNTIC_COMMENT("Enter subscript mode")}, - {"ZO", 318 UNTIC_COMMENT("Enter superscript mode")}, - {"ZP", 319 UNTIC_COMMENT("Start upward carriage motion")}, - {"ZQ", 320 UNTIC_COMMENT("End double-wide mode")}, - {"ZR", 321 UNTIC_COMMENT("End italic mode")}, - {"ZS", 322 UNTIC_COMMENT("End left-motion mode")}, - {"ZT", 323 UNTIC_COMMENT("End micro-motion mode")}, - {"ZU", 324 UNTIC_COMMENT("End shadow-print mode")}, - {"ZV", 325 UNTIC_COMMENT("End subscript mode")}, - {"ZW", 326 UNTIC_COMMENT("End superscript mode")}, - {"ZX", 327 UNTIC_COMMENT("End reverse character motion")}, - {"ZY", 328 UNTIC_COMMENT("Like column_address in micro mode")}, - {"ZZ", 329 UNTIC_COMMENT("Like cursor_down in micro mode")}, - {"Za", 330 UNTIC_COMMENT("Like cursor_left in micro mode")}, - {"Zb", 331 UNTIC_COMMENT("Like cursor_right in micro mode")}, - {"Zc", 332 UNTIC_COMMENT("Like row_address in micro mode")}, - {"Zd", 333 UNTIC_COMMENT("Like cursor_up in micro mode")}, - {"Ze", 334 UNTIC_COMMENT("Match software bits to print-head pins")}, - {"Zf", 335 UNTIC_COMMENT("Like parm_down_cursor in micro mode")}, - {"Zg", 336 UNTIC_COMMENT("Like parm_left_cursor in micro mode")}, - {"Zh", 337 UNTIC_COMMENT("Like parm_right_cursor in micro mode")}, - {"Zi", 338 UNTIC_COMMENT("Like parm_up_cursor in micro mode")}, - {"Zj", 339 UNTIC_COMMENT("Select character set")}, - {"Zk", 340 UNTIC_COMMENT("Set bottom margin at current line")}, - {"Zl", 341 UNTIC_COMMENT("Set bottom margin at line #1 or #2 lines from bottom")}, - {"Zm", 342 UNTIC_COMMENT("Set left (right) margin at column #1 (#2)")}, - {"Zn", 343 UNTIC_COMMENT("Set right margin at column #1")}, - {"Zo", 344 UNTIC_COMMENT("Set top margin at current line")}, - {"Zp", 345 UNTIC_COMMENT("Set top (bottom) margin at row #1 (#2)")}, - {"Zq", 346 UNTIC_COMMENT("Start printing bit image braphics")}, - {"Zr", 347 UNTIC_COMMENT("Start character set definition")}, - {"Zs", 348 UNTIC_COMMENT("Stop printing bit image graphics")}, - {"Zt", 349 UNTIC_COMMENT("End definition of character aet")}, - {"Zu", 350 UNTIC_COMMENT("List of subscriptable characters")}, - {"Zv", 351 UNTIC_COMMENT("List of superscriptable characters")}, - {"Zw", 352 UNTIC_COMMENT("Printing any of these chars causes CR")}, - {"Zx", 353 UNTIC_COMMENT("No motion for subsequent character")}, - {"Zy", 354 UNTIC_COMMENT("List of character set names")}, - {"Zz", 371 UNTIC_COMMENT("Move to next row of the bit image")}, - {"ac", 146 UNTIC_COMMENT("acs_chars")}, - {"ae", 38 UNTIC_COMMENT("exit_alt_charset_mode")}, - {"al", 53 UNTIC_COMMENT("insert line")}, - {"as", 25 UNTIC_COMMENT("enter_alt_charset_mode")}, - {"bc", 395 UNTIC_COMMENT("move left, if not ^H")}, - {"bl", 1 UNTIC_COMMENT("audible signal (bell)")}, - {"bt", 0 UNTIC_COMMENT("back tab")}, - {"bx", 411 UNTIC_COMMENT("box chars primary set")}, - {"cb", 269 UNTIC_COMMENT("Clear to beginning of line")}, - {"cd", 7 UNTIC_COMMENT("clear to end of screen")}, - {"ce", 6 UNTIC_COMMENT("clr_eol")}, - {"ch", 8 UNTIC_COMMENT("horizontal position #1, absolute")}, - {"ci", 363 UNTIC_COMMENT("Init sequence for multiple codesets")}, - {"cl", 5 UNTIC_COMMENT("clear screen and home cursor")}, - {"cm", 10 UNTIC_COMMENT("move to row #1 columns #2")}, - {"cr", 2 UNTIC_COMMENT("carriage return")}, - {"cs", 3 UNTIC_COMMENT("change region to line #1 to line #2")}, - {"ct", 4 UNTIC_COMMENT("clear all tab stops")}, - {"cv", 127 UNTIC_COMMENT("vertical position #1 absolute")}, - {"dc", 21 UNTIC_COMMENT("delete character")}, - {"dl", 22 UNTIC_COMMENT("delete line")}, - {"dm", 29 UNTIC_COMMENT("enter delete mode")}, - {"do", 11 UNTIC_COMMENT("down one line")}, - {"ds", 23 UNTIC_COMMENT("disable status line")}, - {"dv", 362 UNTIC_COMMENT("Indicate language/codeset support")}, - {"eA", 155 UNTIC_COMMENT("enable alternate char set")}, - {"ec", 37 UNTIC_COMMENT("erase #1 characters")}, - {"ed", 41 UNTIC_COMMENT("end delete mode")}, - {"ei", 42 UNTIC_COMMENT("exit insert mode")}, - {"ff", 46 UNTIC_COMMENT("hardcopy terminal page eject")}, - {"fh", 284 UNTIC_COMMENT("flash switch hook")}, - {"fs", 47 UNTIC_COMMENT("return from status line")}, - {"hd", 24 UNTIC_COMMENT("half a line down")}, - {"ho", 12 UNTIC_COMMENT("home cursor (if no cup)")}, - {"hu", 137 UNTIC_COMMENT("half a line up")}, - {"i1", 48 UNTIC_COMMENT("initialization string")}, - {"i2", 392 UNTIC_COMMENT("secondary initialization string")}, - {"i3", 50 UNTIC_COMMENT("initialization string")}, - {"iP", 138 UNTIC_COMMENT("path name of program for initialization")}, - {"ic", 52 UNTIC_COMMENT("insert character")}, - {"if", 51 UNTIC_COMMENT("name of initialization file")}, - {"im", 31 UNTIC_COMMENT("enter insert mode")}, - {"ip", 54 UNTIC_COMMENT("insert padding after inserted character")}, - {"is", 49 UNTIC_COMMENT("initialization string")}, - {"k0", 65 UNTIC_COMMENT("F0 function key")}, - {"k1", 66 UNTIC_COMMENT("F1 function key")}, - {"k2", 68 UNTIC_COMMENT("F2 function key")}, - {"k3", 69 UNTIC_COMMENT("F3 function key")}, - {"k4", 70 UNTIC_COMMENT("F4 function key")}, - {"k5", 71 UNTIC_COMMENT("F5 function key")}, - {"k6", 72 UNTIC_COMMENT("F6 function key")}, - {"k7", 73 UNTIC_COMMENT("F7 function key")}, - {"k8", 74 UNTIC_COMMENT("F8 fucntion key")}, - {"k9", 75 UNTIC_COMMENT("F9 function key")}, - {"k;", 67 UNTIC_COMMENT("F10 function key")}, - {"kA", 78 UNTIC_COMMENT("insert-line key")}, - {"kB", 148 UNTIC_COMMENT("back-tab key")}, - {"kC", 57 UNTIC_COMMENT("clear-screen or erase key")}, - {"kD", 59 UNTIC_COMMENT("delete-character key")}, - {"kE", 63 UNTIC_COMMENT("clear-to-end-of-line key")}, - {"kF", 84 UNTIC_COMMENT("scroll-forward key")}, - {"kH", 80 UNTIC_COMMENT("last-line key")}, - {"kI", 77 UNTIC_COMMENT("insert-character key")}, - {"kL", 60 UNTIC_COMMENT("delete-line key")}, - {"kM", 62 UNTIC_COMMENT("sent by rmir or smir in insert mode")}, - {"kN", 81 UNTIC_COMMENT("next-page key")}, - {"kP", 82 UNTIC_COMMENT("prev-page key")}, - {"kR", 85 UNTIC_COMMENT("scroll-backward key")}, - {"kS", 64 UNTIC_COMMENT("clear-to-end-of-screen key")}, - {"kT", 86 UNTIC_COMMENT("set-tab key")}, - {"ka", 56 UNTIC_COMMENT("clear-all-tabs key")}, - {"kb", 55 UNTIC_COMMENT("backspace key")}, - {"kd", 61 UNTIC_COMMENT("down-arrow key")}, - {"ke", 88 UNTIC_COMMENT("leave 'keyboard_transmit' mode")}, - {"kh", 76 UNTIC_COMMENT("home key")}, - {"kl", 79 UNTIC_COMMENT("left-arrow key")}, - {"ko", 396 UNTIC_COMMENT("list of self-mapped keycaps")}, - {"kr", 83 UNTIC_COMMENT("right-arrow key")}, - {"ks", 89 UNTIC_COMMENT("enter 'keyboard_transmit' mode")}, - {"kt", 58 UNTIC_COMMENT("clear-tab key")}, - {"ku", 87 UNTIC_COMMENT("up-arrow key")}, - {"l0", 90 UNTIC_COMMENT("label on function key f0 if not f0")}, - {"l1", 91 UNTIC_COMMENT("label on function key f1 if not f1")}, - {"l2", 93 UNTIC_COMMENT("label on function key f2 if not f2")}, - {"l3", 94 UNTIC_COMMENT("label on function key f3 if not f3")}, - {"l4", 95 UNTIC_COMMENT("label on function key f4 if not f4")}, - {"l5", 96 UNTIC_COMMENT("lable on function key f5 if not f5")}, - {"l6", 97 UNTIC_COMMENT("label on function key f6 if not f6")}, - {"l7", 98 UNTIC_COMMENT("label on function key f7 if not f7")}, - {"l8", 99 UNTIC_COMMENT("label on function key f8 if not f8")}, - {"l9", 100 UNTIC_COMMENT("label on function key f9 if not f9")}, - {"la", 92 UNTIC_COMMENT("label on function key f10 if not f10")}, - {"le", 14 UNTIC_COMMENT("move left one space")}, - {"ll", 18 UNTIC_COMMENT("last line, first column (if no cup)")}, - {"ma", 397 UNTIC_COMMENT("map arrow keys rogue(1) motion keys")}, - {"mb", 26 UNTIC_COMMENT("turn on blinking")}, - {"md", 27 UNTIC_COMMENT("turn on bold (extra bright) mode")}, - {"me", 39 UNTIC_COMMENT("turn off all attributes")}, - {"mh", 30 UNTIC_COMMENT("turn on half-bright mode")}, - {"mk", 32 UNTIC_COMMENT("turn on blank mode (characters invisible)")}, - {"ml", 409 UNTIC_COMMENT("memory lock above")}, - {"mm", 102 UNTIC_COMMENT("turn on meta mode (8th-bit on)")}, - {"mo", 101 UNTIC_COMMENT("turn off meta mode")}, - {"mp", 33 UNTIC_COMMENT("turn on protected mode")}, - {"mr", 34 UNTIC_COMMENT("turn on reverse video mode")}, - {"mu", 410 UNTIC_COMMENT("memory unlock")}, - {"nd", 17 UNTIC_COMMENT("move right one space")}, - {"nl", 394 UNTIC_COMMENT("use to move down")}, - {"nw", 103 UNTIC_COMMENT("newline (behave like cr followed by lf)")}, - {"oc", 298 UNTIC_COMMENT("Set all color pairs to the original ones")}, - {"op", 297 UNTIC_COMMENT("Set default pair to its original value")}, - {"pO", 144 UNTIC_COMMENT("turn on printer for #1 bytes")}, - {"pc", 104 UNTIC_COMMENT("padding char (instead of null)")}, - {"pf", 119 UNTIC_COMMENT("turn off printer")}, - {"pk", 115 UNTIC_COMMENT("program function key #1 to type string #2")}, - {"pl", 116 UNTIC_COMMENT("program function key #1 to execute string #2")}, - {"pn", 147 UNTIC_COMMENT("program label #1 to show string #2")}, - {"po", 120 UNTIC_COMMENT("turn on printer")}, - {"ps", 118 UNTIC_COMMENT("print contents of screen")}, - {"px", 117 UNTIC_COMMENT("program function key #1 to transmit string #2")}, - {"r1", 122 UNTIC_COMMENT("reset string")}, - {"r2", 123 UNTIC_COMMENT("reset string")}, - {"r3", 124 UNTIC_COMMENT("reset string")}, - {"rP", 145 UNTIC_COMMENT("like ip but when in insert mode")}, - {"rc", 126 UNTIC_COMMENT("restore cursor to last position of sc")}, - {"rf", 125 UNTIC_COMMENT("name of reset file")}, - {"rp", 121 UNTIC_COMMENT("repeat char #1 #2 times")}, - {"rs", 393 UNTIC_COMMENT("terminal reset string")}, - {"s0", 364 UNTIC_COMMENT("Shift to code set 0 (EUC set 0, ASCII)")}, - {"s1", 365 UNTIC_COMMENT("Shift to code set 1")}, - {"s2", 366 UNTIC_COMMENT("Shift to code set 2")}, - {"s3", 367 UNTIC_COMMENT("Shift to code set 3")}, - {"sa", 131 UNTIC_COMMENT("define video attributes #1-#9 (PG9)")}, - {"sc", 128 UNTIC_COMMENT("save current cursor position")}, - {"se", 43 UNTIC_COMMENT("exit standout mode")}, - {"sf", 129 UNTIC_COMMENT("scroll text up")}, - {"so", 35 UNTIC_COMMENT("begin standout mode")}, - {"sp", 301 UNTIC_COMMENT("Set current color pair to #1")}, - {"sr", 130 UNTIC_COMMENT("scroll text down")}, - {"st", 132 UNTIC_COMMENT("set a tab in every row, current columns")}, - {"ta", 134 UNTIC_COMMENT("tab to next 8-space hardware tab stop")}, - {"te", 40 UNTIC_COMMENT("strings to end programs using cup")}, - {"ti", 28 UNTIC_COMMENT("string to start programs using cup")}, - {"ts", 135 UNTIC_COMMENT("move to status line")}, - {"u0", 287 UNTIC_COMMENT("User string #0")}, - {"u1", 288 UNTIC_COMMENT("User string #1")}, - {"u2", 289 UNTIC_COMMENT("User string #2")}, - {"u3", 290 UNTIC_COMMENT("User string #3")}, - {"u4", 291 UNTIC_COMMENT("User string #4")}, - {"u5", 292 UNTIC_COMMENT("User string #5")}, - {"u6", 293 UNTIC_COMMENT("User string #6")}, - {"u7", 294 UNTIC_COMMENT("User string #7")}, - {"u8", 295 UNTIC_COMMENT("User string #8")}, - {"u9", 296 UNTIC_COMMENT("User string #9")}, - {"uc", 136 UNTIC_COMMENT("underline char and move past it")}, - {"ue", 44 UNTIC_COMMENT("exit underline mode")}, - {"up", 19 UNTIC_COMMENT("up one line")}, - {"us", 36 UNTIC_COMMENT("begin underline mode")}, - {"vb", 45 UNTIC_COMMENT("visible bell (may not move cursor)")}, - {"ve", 16 UNTIC_COMMENT("make cursor appear normal (undo civis/cvvis)")}, - {"vi", 13 UNTIC_COMMENT("make cursor invisible")}, - {"vs", 20 UNTIC_COMMENT("make cursor very visible")}, - {"wi", 133 UNTIC_COMMENT("current window is lines #1-#2 cols #3-#4")}, - {"xl", 361 UNTIC_COMMENT("Program function key #1 to type string #2 and show string #3")}, - {"", -1 UNTIC_COMMENT(NULL)} -}; - -static int compute_cap_offset (char *cap, SLterminfo_Type *t, Tgetstr_Map_Type *map, unsigned int max_ofs) -{ - char cha, chb; - - (void) t; - cha = *cap++; chb = *cap; - - while (*map->name != 0) - { - if ((cha == *map->name) && (chb == *(map->name + 1))) - { - if (map->offset >= (int) max_ofs) return -1; - return map->offset; - } - map++; - } - return -1; -} - -char *_SLtt_tigetstr (SLterminfo_Type *t, char *cap) -{ - int offset; - - if (t == NULL) - return NULL; - - if (t->flags == SLTERMCAP) return tcap_getstr (cap, t); - - offset = compute_cap_offset (cap, t, Tgetstr_Map, t->num_string_offsets); - if (offset < 0) return NULL; - offset = make_integer (t->string_offsets + 2 * offset); - if (offset < 0) return NULL; - return t->string_table + offset; -} - -static Tgetstr_Map_Type Tgetnum_Map[] = -{ - {"BT", 30 UNTIC_COMMENT("number of buttons on mouse")}, - {"Co", 13 UNTIC_COMMENT("maximum numbers of colors on screen")}, - {"MW", 12 UNTIC_COMMENT("maxumum number of defineable windows")}, - {"NC", 15 UNTIC_COMMENT("video attributes that can't be used with colors")}, - {"Nl", 8 UNTIC_COMMENT("number of labels on screen")}, - {"Ya", 16 UNTIC_COMMENT("numbers of bytes buffered before printing")}, - {"Yb", 17 UNTIC_COMMENT("spacing of pins vertically in pins per inch")}, - {"Yc", 18 UNTIC_COMMENT("spacing of dots horizontally in dots per inch")}, - {"Yd", 19 UNTIC_COMMENT("maximum value in micro_..._address")}, - {"Ye", 20 UNTIC_COMMENT("maximum value in parm_..._micro")}, - {"Yf", 21 UNTIC_COMMENT("character size when in micro mode")}, - {"Yg", 22 UNTIC_COMMENT("line size when in micro mode")}, - {"Yh", 23 UNTIC_COMMENT("numbers of pins in print-head")}, - {"Yi", 24 UNTIC_COMMENT("horizontal resolution in units per line")}, - {"Yj", 25 UNTIC_COMMENT("vertical resolution in units per line")}, - {"Yk", 26 UNTIC_COMMENT("horizontal resolution in units per inch")}, - {"Yl", 27 UNTIC_COMMENT("vertical resolution in units per inch")}, - {"Ym", 28 UNTIC_COMMENT("print rate in chars per second")}, - {"Yn", 29 UNTIC_COMMENT("character step size when in double wide mode")}, - {"Yo", 31 UNTIC_COMMENT("number of passed for each bit-image row")}, - {"Yp", 32 UNTIC_COMMENT("type of bit-image device")}, - {"co", 0 UNTIC_COMMENT("number of columns in aline")}, - {"dB", 36 UNTIC_COMMENT("padding required for ^H")}, - {"dC", 34 UNTIC_COMMENT("pad needed for CR")}, - {"dN", 35 UNTIC_COMMENT("pad needed for LF")}, - {"dT", 37 UNTIC_COMMENT("padding required for ^I")}, - {"it", 1 UNTIC_COMMENT("tabs initially every # spaces")}, - {"kn", 38 UNTIC_COMMENT("count of function keys")}, - {"lh", 9 UNTIC_COMMENT("rows in each label")}, - {"li", 2 UNTIC_COMMENT("number of lines on screen or page")}, - {"lm", 3 UNTIC_COMMENT("lines of memory if > line. 0 => varies")}, - {"lw", 10 UNTIC_COMMENT("columns in each label")}, - {"ma", 11 UNTIC_COMMENT("maximum combined attributes terminal can handle")}, - {"pa", 14 UNTIC_COMMENT("maximum number of color-pairs on the screen")}, - {"pb", 5 UNTIC_COMMENT("lowest baud rate where padding needed")}, - {"sg", 4 UNTIC_COMMENT("number of blank chars left by smso or rmso")}, - {"ug", 33 UNTIC_COMMENT("number of blanks left by ul")}, - {"vt", 6 UNTIC_COMMENT("virtual terminal number (CB/unix)")}, - {"ws", 7 UNTIC_COMMENT("columns in status line")}, - {"", -1 UNTIC_COMMENT(NULL)} -}; - -int _SLtt_tigetnum (SLterminfo_Type *t, char *cap) -{ - int offset; - - if (t == NULL) - return -1; - - if (t->flags == SLTERMCAP) return tcap_getnum (cap, t); - - offset = compute_cap_offset (cap, t, Tgetnum_Map, t->num_numbers); - if (offset < 0) return -1; - return make_integer (t->numbers + 2 * offset); -} - -static Tgetstr_Map_Type Tgetflag_Map[] = -{ - {"5i", 22 UNTIC_COMMENT("printer won't echo on screen")}, - {"HC", 23 UNTIC_COMMENT("cursor is hard to see")}, - {"MT", 40 UNTIC_COMMENT("has meta key")}, - {"ND", 26 UNTIC_COMMENT("scrolling region is non-destructive")}, - {"NL", 41 UNTIC_COMMENT("move down with \n")}, - {"NP", 25 UNTIC_COMMENT("pad character does not exist")}, - {"NR", 24 UNTIC_COMMENT("smcup does not reverse rmcup")}, - {"YA", 30 UNTIC_COMMENT("only positive motion for hpa/mhpa caps")}, - {"YB", 31 UNTIC_COMMENT("using cr turns off micro mode")}, - {"YC", 32 UNTIC_COMMENT("printer needs operator to change character set")}, - {"YD", 33 UNTIC_COMMENT("only positive motion for vpa/mvpa caps")}, - {"YE", 34 UNTIC_COMMENT("printing in last column causes cr")}, - {"YF", 35 UNTIC_COMMENT("changing character pitch changes resolution")}, - {"YG", 36 UNTIC_COMMENT("changing line pitch changes resolution")}, - {"am", 1 UNTIC_COMMENT("terminal has automatic margins")}, - {"bs", 37 UNTIC_COMMENT("uses ^H to move left")}, - {"bw", 0 UNTIC_COMMENT("cub1 wraps from column 0 to last column")}, - {"cc", 27 UNTIC_COMMENT("terminal can re-define existing colors")}, - {"da", 11 UNTIC_COMMENT("display may be retained above the screen")}, - {"db", 12 UNTIC_COMMENT("display may be retained below the screen")}, - {"eo", 5 UNTIC_COMMENT("can erase overstrikes with a blank")}, - {"es", 16 UNTIC_COMMENT("escape can be used on the status line")}, - {"gn", 6 UNTIC_COMMENT("generic line type")}, - {"hc", 7 UNTIC_COMMENT("hardcopy terminal")}, - {"hl", 29 UNTIC_COMMENT("terminal uses only HLS color notation (tektronix)")}, - {"hs", 9 UNTIC_COMMENT("has extra status line")}, - {"hz", 18 UNTIC_COMMENT("can't print ~'s (hazeltine)")}, - {"in", 10 UNTIC_COMMENT("insert mode distinguishes nulls")}, - {"km", 8 UNTIC_COMMENT("Has a meta key, sets msb high")}, - {"mi", 13 UNTIC_COMMENT("safe to move while in insert mode")}, - {"ms", 14 UNTIC_COMMENT("safe to move while in standout mode")}, - {"nc", 39 UNTIC_COMMENT("no way to go to start of line")}, - {"ns", 38 UNTIC_COMMENT("crt cannot scroll")}, - {"nx", 21 UNTIC_COMMENT("padding won't work, xon/xoff required")}, - {"os", 15 UNTIC_COMMENT("terminal can overstrike")}, - {"pt", 42 UNTIC_COMMENT("has 8-char tabs invoked with ^I")}, - {"ul", 19 UNTIC_COMMENT("underline character overstrikes")}, - {"ut", 28 UNTIC_COMMENT("screen erased with background color")}, - {"xb", 2 UNTIC_COMMENT("beehive (f1=escape, f2=ctrl C)")}, - {"xn", 4 UNTIC_COMMENT("newline ignored after 80 cols (concept)")}, - {"xo", 20 UNTIC_COMMENT("terminal uses xon/xoff handshaking")}, - {"xr", 43 UNTIC_COMMENT("return clears the line")}, - {"xs", 3 UNTIC_COMMENT("standout not erased by overwriting (hp)")}, - {"xt", 17 UNTIC_COMMENT("tabs destructive, magic so char (t1061)")}, - {"", -1 UNTIC_COMMENT(NULL)} -}; - -int _SLtt_tigetflag (SLterminfo_Type *t, char *cap) -{ - int offset; - - if (t == NULL) return -1; - - if (t->flags == SLTERMCAP) return tcap_getflag (cap, t); - - offset = compute_cap_offset (cap, t, Tgetflag_Map, t->boolean_section_size); - - if (offset < 0) return -1; - return (int) *(t->boolean_flags + offset); -} - -/* These are my termcap routines. They only work with the TERMCAP environment - * variable. This variable must contain the termcap entry and NOT the file. - */ - -static int tcap_getflag (char *cap, SLterminfo_Type *t) -{ - char a, b; - char *f = (char *) t->boolean_flags; - char *fmax; - - if (f == NULL) return 0; - fmax = f + t->boolean_section_size; - - a = *cap; - b = *(cap + 1); - while (f < fmax) - { - if ((a == f[0]) && (b == f[1])) - return 1; - f += 2; - } - return 0; -} - -static char *tcap_get_cap (unsigned char *cap, unsigned char *caps, unsigned int len) -{ - unsigned char c0, c1; - unsigned char *caps_max; - - c0 = cap[0]; - c1 = cap[1]; - - if (caps == NULL) return NULL; - caps_max = caps + len; - while (caps < caps_max) - { - if ((c0 == caps[0]) && (c1 == caps[1])) - { - return (char *) caps + 3; - } - caps += (int) caps[2]; - } - return NULL; -} - -static int tcap_getnum (char *cap, SLterminfo_Type *t) -{ - cap = tcap_get_cap ((unsigned char *) cap, t->numbers, t->num_numbers); - if (cap == NULL) return -1; - return atoi (cap); -} - -static char *tcap_getstr (char *cap, SLterminfo_Type *t) -{ - return tcap_get_cap ((unsigned char *) cap, (unsigned char *) t->string_table, t->string_table_size); -} - -static int tcap_extract_field (unsigned char *t0) -{ - register unsigned char ch, *t = t0; - while (((ch = *t) != 0) && (ch != ':')) t++; - if (ch == ':') return (int) (t - t0); - return -1; -} - -int SLtt_Try_Termcap = 1; -static int tcap_getent (char *term, SLterminfo_Type *ti) -{ - unsigned char *termcap, ch; - unsigned char *buf, *b; - unsigned char *t; - int len; - - if (SLtt_Try_Termcap == 0) return -1; -#if 1 - /* XFREE86 xterm sets the TERMCAP environment variable to an invalid - * value. Specifically, it lacks the tc= string. - */ - if (!strncmp (term, "xterm", 5)) - return -1; -#endif - termcap = (unsigned char *) getenv ("TERMCAP"); - if ((termcap == NULL) || (*termcap == '/')) return -1; - - /* We have a termcap so lets use it provided it does not have a reference - * to another terminal via tc=. In that case, use terminfo. The alternative - * would be to parse the termcap file which I do not want to do right now. - * Besides, this is a terminfo based system and if the termcap were parsed - * terminfo would almost never get a chance to run. In addition, the tc= - * thing should not occur if tset is used to set the termcap entry. - */ - t = termcap; - while ((len = tcap_extract_field (t)) != -1) - { - if ((len > 3) && (t[0] == 't') && (t[1] == 'c') && (t[2] == '=')) - return -1; - t += (len + 1); - } - - /* malloc some extra space just in case it is needed. */ - len = strlen ((char *) termcap) + 256; - if (NULL == (buf = (unsigned char *) SLmalloc ((unsigned int) len))) return -1; - - b = buf; - - /* The beginning of the termcap entry contains the names of the entry. - * It is terminated by a colon. - */ - - ti->terminal_names = (char *) b; - t = termcap; - len = tcap_extract_field (t); - if (len < 0) - { - SLfree ((char *)buf); - return -1; - } - strncpy ((char *) b, (char *) t, (unsigned int) len); - b[len] = 0; - b += len + 1; - ti->name_section_size = len; - - /* Now, we are really at the start of the termcap entries. Point the - * termcap variable here since we want to refer to this a number of times. - */ - termcap = t + (len + 1); - - /* Process strings first. */ - ti->string_table = (char *) b; - t = termcap; - while (-1 != (len = tcap_extract_field (t))) - { - unsigned char *b1; - unsigned char *tmax; - - /* We are looking for: XX=something */ - if ((len < 4) || (t[2] != '=') || (*t == '.')) - { - t += len + 1; - continue; - } - tmax = t + len; - b1 = b; - - while (t < tmax) - { - ch = *t++; - if ((ch == '\\') && (t < tmax)) - { - t = (unsigned char *) _SLexpand_escaped_char ((char *) t, (char *) &ch); - } - else if ((ch == '^') && (t < tmax)) - { - ch = *t++; - if (ch == '?') ch = 127; - else ch = (ch | 0x20) - ('a' - 1); - } - *b++ = ch; - } - /* Null terminate it. */ - *b++ = 0; - len = (int) (b - b1); - b1[2] = (unsigned char) len; /* replace the = by the length */ - /* skip colon to next field. */ - t++; - } - ti->string_table_size = (int) (b - (unsigned char *) ti->string_table); - - /* Now process the numbers. */ - - t = termcap; - ti->numbers = b; - while (-1 != (len = tcap_extract_field (t))) - { - unsigned char *b1; - unsigned char *tmax; - - /* We are looking for: XX#NUMBER */ - if ((len < 4) || (t[2] != '#') || (*t == '.')) - { - t += len + 1; - continue; - } - tmax = t + len; - b1 = b; - - while (t < tmax) - { - *b++ = *t++; - } - /* Null terminate it. */ - *b++ = 0; - len = (int) (b - b1); - b1[2] = (unsigned char) len; /* replace the # by the length */ - t++; - } - ti->num_numbers = (int) (b - ti->numbers); - - /* Now process the flags. */ - t = termcap; - ti->boolean_flags = b; - while (-1 != (len = tcap_extract_field (t))) - { - /* We are looking for: XX#NUMBER */ - if ((len != 2) || (*t == '.') || (*t <= ' ')) - { - t += len + 1; - continue; - } - b[0] = t[0]; - b[1] = t[1]; - t += 3; - b += 2; - } - ti->boolean_section_size = (int) (b - ti->boolean_flags); - ti->flags = SLTERMCAP; - return 0; -} - - -/* These routines are provided only for backward binary compatability. - * They will vanish in V2.x - */ -char *SLtt_tigetent (char *s) -{ - return (char *) _SLtt_tigetent (s); -} - -extern char *SLtt_tigetstr (char *s, char **p) -{ - if (p == NULL) - return NULL; - return _SLtt_tigetstr ((SLterminfo_Type *) *p, s); -} - -extern int SLtt_tigetnum (char *s, char **p) -{ - if (p == NULL) - return -1; - return _SLtt_tigetnum ((SLterminfo_Type *) *p, s); -} - - diff --git a/mdk-stage1/slang/sltime.c b/mdk-stage1/slang/sltime.c deleted file mode 100644 index 14fc6ec16..000000000 --- a/mdk-stage1/slang/sltime.c +++ /dev/null @@ -1,310 +0,0 @@ -/* time related system calls */ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#include <sys/types.h> -#include <time.h> - -#if defined(__BORLANDC__) -# include <dos.h> -#endif -#if defined(__GO32__) || defined(__WATCOMC__) -# include <dos.h> -# include <bios.h> -#endif - -#include <errno.h> - -#include "slang.h" -#include "_slang.h" - -#ifdef __WIN32__ -#include <windows.h> -/* Sleep is defined badly in MSVC... */ -# ifdef _MSC_VER -# define sleep(n) _sleep((n)*1000) -# else -# ifdef sleep -# undef sleep -# endif -# define sleep(x) if(x)Sleep((x)*1000) -# endif -#endif - - -#if defined(IBMPC_SYSTEM) -/* For other system (Unix and VMS), _SLusleep is in sldisply.c */ -int _SLusleep (unsigned long s) -{ - sleep (s/1000000L); - s = s % 1000000L; - -# if defined(__WIN32__) - Sleep (s/1000); -#else -# if defined(__IBMC__) - DosSleep(s/1000); -# else -# if defined(_MSC_VER) - _sleep (s/1000); -# endif -# endif -#endif - return 0; -} -#endif - -#if defined(__IBMC__) && !defined(_AIX) -/* sleep is not a standard function in VA3. */ -unsigned int sleep (unsigned int seconds) -{ - DosSleep(1000L * ((long)seconds)); - return 0; -} -#endif - -static char *ctime_cmd (unsigned long *tt) -{ - char *t; - - t = ctime ((time_t *) tt); - t[24] = 0; /* knock off \n */ - return (t); -} - -static void sleep_cmd (void) -{ - unsigned int secs; -#if SLANG_HAS_FLOAT - unsigned long usecs; - double x; - - if (-1 == SLang_pop_double (&x, NULL, NULL)) - return; - - if (x < 0.0) - x = 0.0; - secs = (unsigned int) x; - sleep (secs); - x -= (double) secs; - usecs = (unsigned long) (1e6 * x); - if (usecs > 0) _SLusleep (usecs); -#else - if (-1 == SLang_pop_uinteger (&secs)) - return; - if (secs != 0) sleep (secs); -#endif -} - -static unsigned long _time_cmd (void) -{ - return (unsigned long) time (NULL); -} - -#if defined(__GO32__) -static char *djgpp_current_time (void) /*{{{*/ -{ - union REGS rg; - unsigned int year; - unsigned char month, day, weekday, hour, minute, sec; - char days[] = "SunMonTueWedThuFriSat"; - char months[] = "JanFebMarAprMayJunJulAugSepOctNovDec"; - static char the_date[26]; - - rg.h.ah = 0x2A; -#ifndef __WATCOMC__ - int86(0x21, &rg, &rg); - year = rg.x.cx & 0xFFFF; -#else - int386(0x21, &rg, &rg); - year = rg.x.ecx & 0xFFFF; -#endif - - month = 3 * (rg.h.dh - 1); - day = rg.h.dl; - weekday = 3 * rg.h.al; - - rg.h.ah = 0x2C; - -#ifndef __WATCOMC__ - int86(0x21, &rg, &rg); -#else - int386(0x21, &rg, &rg); -#endif - - hour = rg.h.ch; - minute = rg.h.cl; - sec = rg.h.dh; - - /* we want this form: Thu Apr 14 15:43:39 1994\n */ - sprintf(the_date, "%.3s %.3s%3d %02d:%02d:%02d %d\n", - days + weekday, months + month, - day, hour, minute, sec, year); - return the_date; -} - -/*}}}*/ - -#endif - -char *SLcurrent_time_string (void) /*{{{*/ -{ - char *the_time; -#ifndef __GO32__ - time_t myclock; - - myclock = time((time_t *) 0); - the_time = (char *) ctime(&myclock); -#else - the_time = djgpp_current_time (); -#endif - /* returns the form Sun Sep 16 01:03:52 1985\n\0 */ - the_time[24] = '\0'; - return(the_time); -} - -/*}}}*/ - -static int push_tm_struct (struct tm *tms) -{ - char *field_names [9]; - unsigned char field_types[9]; - VOID_STAR field_values [9]; - int int_values [9]; - unsigned int i; - - if (tms == NULL) - return SLang_push_null (); - - field_names [0] = "tm_sec"; int_values [0] = tms->tm_sec; - field_names [1] = "tm_min"; int_values [1] = tms->tm_min; - field_names [2] = "tm_hour"; int_values [2] = tms->tm_hour; - field_names [3] = "tm_mday"; int_values [3] = tms->tm_mday; - field_names [4] = "tm_mon"; int_values [4] = tms->tm_mon; - field_names [5] = "tm_year"; int_values [5] = tms->tm_year; - field_names [6] = "tm_wday"; int_values [6] = tms->tm_wday; - field_names [7] = "tm_yday"; int_values [7] = tms->tm_yday; - field_names [8] = "tm_isdst"; int_values [8] = tms->tm_isdst; - - for (i = 0; i < 9; i++) - { - field_types [i] = SLANG_INT_TYPE; - field_values [i] = (VOID_STAR) (int_values + i); - } - - return SLstruct_create_struct (9, field_names, field_types, field_values); -} - - -static void localtime_cmd (long *t) -{ - time_t tt = (time_t) *t; - (void) push_tm_struct (localtime (&tt)); -} - -static void gmtime_cmd (long *t) -{ -#ifdef HAVE_GMTIME - time_t tt = (time_t) *t; - (void) push_tm_struct (gmtime (&tt)); -#else - localtime_cmd (t); -#endif -} - -#ifdef HAVE_TIMES - -# ifdef HAVE_SYS_TIMES_H -# include <sys/times.h> -# endif - -#include <limits.h> - -#ifdef CLK_TCK -# define SECS_PER_TICK (1.0/(double)CLK_TCK) -#else -# ifdef CLOCKS_PER_SEC -# define SECS_PER_TICK (1.0/(double)CLOCKS_PER_SEC) -# else -# define SECS_PER_TICK (1.0/60.0) -# endif -#endif - -static void times_cmd (void) -{ - double dvals[4]; - struct tms t; - VOID_STAR field_values[4]; - char *field_names[4]; - unsigned int i; - unsigned char field_types[4]; - - (void) times (&t); - - field_names[0] = "tms_utime"; dvals[0] = (double)t.tms_utime; - field_names[1] = "tms_stime"; dvals[1] = (double)t.tms_stime; - field_names[2] = "tms_cutime"; dvals[2] = (double)t.tms_cutime; - field_names[3] = "tms_cstime"; dvals[3] = (double)t.tms_cstime; - - for (i = 0; i < 4; i++) - { - dvals[i] *= SECS_PER_TICK; - field_values[i] = (VOID_STAR) &dvals[i]; - field_types[i] = SLANG_DOUBLE_TYPE; - } - (void) SLstruct_create_struct (4, field_names, field_types, field_values); -} - -static struct tms Tic_TMS; - -static void tic_cmd (void) -{ - (void) times (&Tic_TMS); -} - -static double toc_cmd (void) -{ - struct tms t; - double d; - - (void) times (&t); - d = ((t.tms_utime - Tic_TMS.tms_utime) - + (t.tms_stime - Tic_TMS.tms_stime)) * SECS_PER_TICK; - Tic_TMS = t; - return d; -} - -#endif /* HAVE_TIMES */ - - -static SLang_Intrin_Fun_Type Time_Funs_Table [] = -{ - MAKE_INTRINSIC_1("ctime", ctime_cmd, SLANG_STRING_TYPE, SLANG_ULONG_TYPE), - MAKE_INTRINSIC_0("sleep", sleep_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_0("_time", _time_cmd, SLANG_ULONG_TYPE), - MAKE_INTRINSIC_0("time", SLcurrent_time_string, SLANG_STRING_TYPE), - MAKE_INTRINSIC_1("localtime", localtime_cmd, SLANG_VOID_TYPE, SLANG_LONG_TYPE), - MAKE_INTRINSIC_1("gmtime", gmtime_cmd, SLANG_VOID_TYPE, SLANG_LONG_TYPE), - -#ifdef HAVE_TIMES - MAKE_INTRINSIC_0("times", times_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_0("tic", tic_cmd, SLANG_VOID_TYPE), - MAKE_INTRINSIC_0("toc", toc_cmd, SLANG_DOUBLE_TYPE), -#endif - SLANG_END_INTRIN_FUN_TABLE -}; - -int _SLang_init_sltime (void) -{ -#ifdef HAVE_TIMES - (void) tic_cmd (); -#endif - return SLadd_intrin_fun_table (Time_Funs_Table, NULL); -} - diff --git a/mdk-stage1/slang/sltoken.c b/mdk-stage1/slang/sltoken.c deleted file mode 100644 index d08967a24..000000000 --- a/mdk-stage1/slang/sltoken.c +++ /dev/null @@ -1,1702 +0,0 @@ -/* Copyright (c) 1998, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -#define MAX_TOKEN_LEN 254 -#define MAX_FILE_LINE_LEN 256 - -static char Empty_Line[1] = {0}; - -static int Default_Compile_Line_Num_Info; -static char *Input_Line = Empty_Line; -static char *Input_Line_Pointer; - -static SLPreprocess_Type *This_SLpp; - -static SLang_Load_Type *LLT; - -static char *map_token_to_string (_SLang_Token_Type *tok) -{ - char *s; - static char numbuf [32]; - unsigned char type; - s = NULL; - - if (tok != NULL) type = tok->type; - else type = 0; - - switch (type) - { - case 0: - s = "??"; - break; - - case CHAR_TOKEN: - case SHORT_TOKEN: - case INT_TOKEN: - case LONG_TOKEN: - s = numbuf; - sprintf (s, "%ld", tok->v.long_val); - break; - - case UCHAR_TOKEN: - case USHORT_TOKEN: - case UINT_TOKEN: - case ULONG_TOKEN: - s = numbuf; - sprintf (s, "%lu", (unsigned long)tok->v.long_val); - break; - - case OBRACKET_TOKEN: s = "["; break; - case CBRACKET_TOKEN: s = "]"; break; - case OPAREN_TOKEN: s = "("; break; - case CPAREN_TOKEN: s = ")"; break; - case OBRACE_TOKEN: s = "{"; break; - case CBRACE_TOKEN: s = "}"; break; - case DEREF_TOKEN: s = "@"; break; - case POUND_TOKEN: s = "#"; break; - case COMMA_TOKEN: s = ","; break; - case SEMICOLON_TOKEN: s = ";"; break; - case COLON_TOKEN: s = ":"; break; - -#if SLANG_HAS_FLOAT - case FLOAT_TOKEN: - case DOUBLE_TOKEN: - case COMPLEX_TOKEN: -#endif - case IDENT_TOKEN: - if ((tok->free_sval_flag == 0) || (tok->num_refs == 0)) - break; - /* drop */ - default: - s = tok->v.s_val; - break; - } - - if (s == NULL) - { - s = numbuf; - sprintf (s, "(0x%02X)", type); - } - - return s; -} - -static char *make_line_file_error (char *buf, unsigned int buflen, - _SLang_Token_Type *tok, char *dsc, int line, char *file) -{ -#if _SLANG_HAS_DEBUG_CODE - if (tok != NULL) line = tok->line_number; -#endif - if (file == NULL) file = "??"; - - (void) _SLsnprintf (buf, buflen, "%s: found '%s', line %d, file: %s", - dsc, map_token_to_string (tok), line, file); - - return buf; -} - -void _SLparse_error(char *str, _SLang_Token_Type *tok, int flag) -{ - char buf [1024]; - - if (str == NULL) - str = "Parse Error"; - - make_line_file_error (buf, sizeof (buf), tok, str, LLT->line_num, (char *) LLT->name); - - if ((flag == 0) && SLang_Error) - return; - - SLang_verror (SL_SYNTAX_ERROR, "%s", buf); -} - -static void do_line_file_error (int line, char *file) -{ - SLang_verror (SL_SYNTAX_ERROR, - "called from line %d, file: %s", line, file); -} - -#define ALPHA_CHAR 1 -#define DIGIT_CHAR 2 -#define EXCL_CHAR 3 -#define SEP_CHAR 4 -#define OP_CHAR 5 -#define DOT_CHAR 6 -#define BOLDOT_CHAR 7 -#define DQUOTE_CHAR 8 -#define QUOTE_CHAR 9 -#define COMMENT_CHAR 10 -#define NL_CHAR 11 -#define BAD_CHAR 12 -#define WHITE_CHAR 13 - -#define CHAR_EOF 255 - -#define CHAR_CLASS(c) (Char_Type_Table[(c)][0]) -#define CHAR_DATA(c) (Char_Type_Table[(c)][1]) - -/* In this table, if a single character can represent an operator, e.g., - * '&' (BAND_TOKEN), then it must be placed before multiple-character - * operators that begin with the same character, e.g., "&=". See - * get_op_token to see how this is exploited. - * - * The third character null terminates the operator string. This is for - * the token structure. - */ -static char Operators [29][4] = -{ -#define OFS_EXCL 0 - {'!', '=', 0, NE_TOKEN}, -#define OFS_POUND 1 - {'#', 0, 0, POUND_TOKEN}, -#define OFS_BAND 2 - {'&', 0, 0, BAND_TOKEN}, - {'&', '&', 0, EOF_TOKEN}, - {'&', '=', 0, BANDEQS_TOKEN}, -#define OFS_STAR 5 - {'*', 0, 0, TIMES_TOKEN}, - {'*', '=', 0, TIMESEQS_TOKEN}, -#define OFS_PLUS 7 - {'+', 0, 0, ADD_TOKEN}, - {'+', '+', 0, PLUSPLUS_TOKEN}, - {'+', '=', 0, PLUSEQS_TOKEN}, -#define OFS_MINUS 10 - {'-', 0, 0, SUB_TOKEN}, - {'-', '-', 0, MINUSMINUS_TOKEN}, - {'-', '=', 0, MINUSEQS_TOKEN}, - {'-', '>', 0, NAMESPACE_TOKEN}, -#define OFS_DIV 14 - {'/', 0, 0, DIV_TOKEN}, - {'/', '=', 0, DIVEQS_TOKEN}, -#define OFS_LT 16 - {'<', 0, 0, LT_TOKEN}, - {'<', '=', 0, LE_TOKEN}, -#define OFS_EQS 18 - {'=', 0, 0, ASSIGN_TOKEN}, - {'=', '=', 0, EQ_TOKEN}, -#define OFS_GT 20 - {'>', 0, 0, GT_TOKEN}, - {'>', '=', 0, GE_TOKEN}, -#define OFS_AT 22 - {'@', 0, 0, DEREF_TOKEN}, -#define OFS_POW 23 - {'^', 0, 0, POW_TOKEN}, -#define OFS_BOR 24 - {'|', 0, 0, BOR_TOKEN}, - {'|', '|', 0, EOF_TOKEN}, - {'|', '=', 0, BOREQS_TOKEN}, -#define OFS_BNOT 27 - {'~', 0, 0, BNOT_TOKEN}, - { 0, 0, 0, EOF_TOKEN} -}; - -static unsigned char Char_Type_Table[256][2] = -{ - { NL_CHAR, 0 }, /* 0x0 */ { BAD_CHAR, 0 }, /* 0x1 */ - { BAD_CHAR, 0 }, /* 0x2 */ { BAD_CHAR, 0 }, /* 0x3 */ - { BAD_CHAR, 0 }, /* 0x4 */ { BAD_CHAR, 0 }, /* 0x5 */ - { BAD_CHAR, 0 }, /* 0x6 */ { BAD_CHAR, 0 }, /* 0x7 */ - { WHITE_CHAR, 0 }, /* 0x8 */ { WHITE_CHAR, 0 }, /* 0x9 */ - { NL_CHAR, 0 }, /* \n */ { WHITE_CHAR, 0 }, /* 0xb */ - { WHITE_CHAR, 0 }, /* 0xc */ { WHITE_CHAR, 0 }, /* \r */ - { BAD_CHAR, 0 }, /* 0xe */ { BAD_CHAR, 0 }, /* 0xf */ - { BAD_CHAR, 0 }, /* 0x10 */ { BAD_CHAR, 0 }, /* 0x11 */ - { BAD_CHAR, 0 }, /* 0x12 */ { BAD_CHAR, 0 }, /* 0x13 */ - { BAD_CHAR, 0 }, /* 0x14 */ { BAD_CHAR, 0 }, /* 0x15 */ - { BAD_CHAR, 0 }, /* 0x16 */ { BAD_CHAR, 0 }, /* 0x17 */ - { BAD_CHAR, 0 }, /* 0x18 */ { BAD_CHAR, 0 }, /* 0x19 */ - { BAD_CHAR, 0 }, /* 0x1a */ { BAD_CHAR, 0 }, /* 0x1b */ - { BAD_CHAR, 0 }, /* 0x1c */ { BAD_CHAR, 0 }, /* 0x1d */ - { BAD_CHAR, 0 }, /* 0x1e */ { BAD_CHAR, 0 }, /* 0x1f */ - { WHITE_CHAR, 0 }, /* 0x20 */ { EXCL_CHAR, OFS_EXCL }, /* ! */ - { DQUOTE_CHAR, 0 }, /* " */ { OP_CHAR, OFS_POUND }, /* # */ - { ALPHA_CHAR, 0 }, /* $ */ { NL_CHAR, 0 },/* % */ - { OP_CHAR, OFS_BAND }, /* & */ { QUOTE_CHAR, 0 }, /* ' */ - { SEP_CHAR, OPAREN_TOKEN }, /* ( */ { SEP_CHAR, CPAREN_TOKEN }, /* ) */ - { OP_CHAR, OFS_STAR }, /* * */ { OP_CHAR, OFS_PLUS}, /* + */ - { SEP_CHAR, COMMA_TOKEN }, /* , */ { OP_CHAR, OFS_MINUS }, /* - */ - { DOT_CHAR, 0 }, /* . */ { OP_CHAR, OFS_DIV }, /* / */ - { DIGIT_CHAR, 0 }, /* 0 */ { DIGIT_CHAR, 0 }, /* 1 */ - { DIGIT_CHAR, 0 }, /* 2 */ { DIGIT_CHAR, 0 }, /* 3 */ - { DIGIT_CHAR, 0 }, /* 4 */ { DIGIT_CHAR, 0 }, /* 5 */ - { DIGIT_CHAR, 0 }, /* 6 */ { DIGIT_CHAR, 0 }, /* 7 */ - { DIGIT_CHAR, 0 }, /* 8 */ { DIGIT_CHAR, 0 }, /* 9 */ - { SEP_CHAR, COLON_TOKEN }, /* : */ { SEP_CHAR, SEMICOLON_TOKEN }, /* ; */ - { OP_CHAR, OFS_LT }, /* < */ { OP_CHAR, OFS_EQS }, /* = */ - { OP_CHAR, OFS_GT }, /* > */ { BAD_CHAR, 0 }, /* ? */ - { OP_CHAR, OFS_AT}, /* @ */ { ALPHA_CHAR, 0 }, /* A */ - { ALPHA_CHAR, 0 }, /* B */ { ALPHA_CHAR, 0 }, /* C */ - { ALPHA_CHAR, 0 }, /* D */ { ALPHA_CHAR, 0 }, /* E */ - { ALPHA_CHAR, 0 }, /* F */ { ALPHA_CHAR, 0 }, /* G */ - { ALPHA_CHAR, 0 }, /* H */ { ALPHA_CHAR, 0 }, /* I */ - { ALPHA_CHAR, 0 }, /* J */ { ALPHA_CHAR, 0 }, /* K */ - { ALPHA_CHAR, 0 }, /* L */ { ALPHA_CHAR, 0 }, /* M */ - { ALPHA_CHAR, 0 }, /* N */ { ALPHA_CHAR, 0 }, /* O */ - { ALPHA_CHAR, 0 }, /* P */ { ALPHA_CHAR, 0 }, /* Q */ - { ALPHA_CHAR, 0 }, /* R */ { ALPHA_CHAR, 0 }, /* S */ - { ALPHA_CHAR, 0 }, /* T */ { ALPHA_CHAR, 0 }, /* U */ - { ALPHA_CHAR, 0 }, /* V */ { ALPHA_CHAR, 0 }, /* W */ - { ALPHA_CHAR, 0 }, /* X */ { ALPHA_CHAR, 0 }, /* Y */ - { ALPHA_CHAR, 0 }, /* Z */ { SEP_CHAR, OBRACKET_TOKEN }, /* [ */ - { BAD_CHAR, 0 }, /* \ */ { SEP_CHAR, CBRACKET_TOKEN }, /* ] */ - { OP_CHAR, OFS_POW }, /* ^ */ { ALPHA_CHAR, 0 }, /* _ */ - { BAD_CHAR, 0 }, /* ` */ { ALPHA_CHAR, 0 }, /* a */ - { ALPHA_CHAR, 0 }, /* b */ { ALPHA_CHAR, 0 }, /* c */ - { ALPHA_CHAR, 0 }, /* d */ { ALPHA_CHAR, 0 }, /* e */ - { ALPHA_CHAR, 0 }, /* f */ { ALPHA_CHAR, 0 }, /* g */ - { ALPHA_CHAR, 0 }, /* h */ { ALPHA_CHAR, 0 }, /* i */ - { ALPHA_CHAR, 0 }, /* j */ { ALPHA_CHAR, 0 }, /* k */ - { ALPHA_CHAR, 0 }, /* l */ { ALPHA_CHAR, 0 }, /* m */ - { ALPHA_CHAR, 0 }, /* n */ { ALPHA_CHAR, 0 }, /* o */ - { ALPHA_CHAR, 0 }, /* p */ { ALPHA_CHAR, 0 }, /* q */ - { ALPHA_CHAR, 0 }, /* r */ { ALPHA_CHAR, 0 }, /* s */ - { ALPHA_CHAR, 0 }, /* t */ { ALPHA_CHAR, 0 }, /* u */ - { ALPHA_CHAR, 0 }, /* v */ { ALPHA_CHAR, 0 }, /* w */ - { ALPHA_CHAR, 0 }, /* x */ { ALPHA_CHAR, 0 }, /* y */ - { ALPHA_CHAR, 0 }, /* z */ { SEP_CHAR, OBRACE_TOKEN }, /* { */ - { OP_CHAR, OFS_BOR }, /* | */ { SEP_CHAR, CBRACE_TOKEN }, /* } */ - { OP_CHAR, OFS_BNOT }, /* ~ */ { BAD_CHAR, 0 }, /* 0x7f */ - - { ALPHA_CHAR, 0 }, /* € */ { ALPHA_CHAR, 0 }, /* */ - { ALPHA_CHAR, 0 }, /* ‚ */ { ALPHA_CHAR, 0 }, /* ƒ */ - { ALPHA_CHAR, 0 }, /* „ */ { ALPHA_CHAR, 0 }, /* … */ - { ALPHA_CHAR, 0 }, /* † */ { ALPHA_CHAR, 0 }, /* ‡ */ - { ALPHA_CHAR, 0 }, /* ˆ */ { ALPHA_CHAR, 0 }, /* ‰ */ - { ALPHA_CHAR, 0 }, /* Š */ { ALPHA_CHAR, 0 }, /* ‹ */ - { ALPHA_CHAR, 0 }, /* Œ */ { ALPHA_CHAR, 0 }, /* */ - { ALPHA_CHAR, 0 }, /* Ž */ { ALPHA_CHAR, 0 }, /* */ - { ALPHA_CHAR, 0 }, /* */ { ALPHA_CHAR, 0 }, /* ‘ */ - { ALPHA_CHAR, 0 }, /* ’ */ { ALPHA_CHAR, 0 }, /* “ */ - { ALPHA_CHAR, 0 }, /* ” */ { ALPHA_CHAR, 0 }, /* • */ - { ALPHA_CHAR, 0 }, /* – */ { ALPHA_CHAR, 0 }, /* — */ - { ALPHA_CHAR, 0 }, /* ˜ */ { ALPHA_CHAR, 0 }, /* ™ */ - { ALPHA_CHAR, 0 }, /* š */ { ALPHA_CHAR, 0 }, /* › */ - { ALPHA_CHAR, 0 }, /* œ */ { ALPHA_CHAR, 0 }, /* */ - { ALPHA_CHAR, 0 }, /* ž */ { ALPHA_CHAR, 0 }, /* Ÿ */ - { ALPHA_CHAR, 0 }, /* */ { ALPHA_CHAR, 0 }, /* ¡ */ - { ALPHA_CHAR, 0 }, /* ¢ */ { ALPHA_CHAR, 0 }, /* £ */ - { ALPHA_CHAR, 0 }, /* ¤ */ { ALPHA_CHAR, 0 }, /* ¥ */ - { ALPHA_CHAR, 0 }, /* ¦ */ { ALPHA_CHAR, 0 }, /* § */ - { ALPHA_CHAR, 0 }, /* ¨ */ { ALPHA_CHAR, 0 }, /* © */ - { ALPHA_CHAR, 0 }, /* ª */ { ALPHA_CHAR, 0 }, /* « */ - { ALPHA_CHAR, 0 }, /* ¬ */ { ALPHA_CHAR, 0 }, /* */ - { ALPHA_CHAR, 0 }, /* ® */ { ALPHA_CHAR, 0 }, /* ¯ */ - { ALPHA_CHAR, 0 }, /* ° */ { ALPHA_CHAR, 0 }, /* ± */ - { ALPHA_CHAR, 0 }, /* ² */ { ALPHA_CHAR, 0 }, /* ³ */ - { ALPHA_CHAR, 0 }, /* ´ */ { ALPHA_CHAR, 0 }, /* µ */ - { ALPHA_CHAR, 0 }, /* ¶ */ { ALPHA_CHAR, 0 }, /* · */ - { ALPHA_CHAR, 0 }, /* ¸ */ { ALPHA_CHAR, 0 }, /* ¹ */ - { ALPHA_CHAR, 0 }, /* º */ { ALPHA_CHAR, 0 }, /* » */ - { ALPHA_CHAR, 0 }, /* ¼ */ { ALPHA_CHAR, 0 }, /* ½ */ - { ALPHA_CHAR, 0 }, /* ¾ */ { ALPHA_CHAR, 0 }, /* ¿ */ - { ALPHA_CHAR, 0 }, /* À */ { ALPHA_CHAR, 0 }, /* Á */ - { ALPHA_CHAR, 0 }, /*  */ { ALPHA_CHAR, 0 }, /* à */ - { ALPHA_CHAR, 0 }, /* Ä */ { ALPHA_CHAR, 0 }, /* Å */ - { ALPHA_CHAR, 0 }, /* Æ */ { ALPHA_CHAR, 0 }, /* Ç */ - { ALPHA_CHAR, 0 }, /* È */ { ALPHA_CHAR, 0 }, /* É */ - { ALPHA_CHAR, 0 }, /* Ê */ { ALPHA_CHAR, 0 }, /* Ë */ - { ALPHA_CHAR, 0 }, /* Ì */ { ALPHA_CHAR, 0 }, /* Í */ - { ALPHA_CHAR, 0 }, /* Î */ { ALPHA_CHAR, 0 }, /* Ï */ - { ALPHA_CHAR, 0 }, /* Ð */ { ALPHA_CHAR, 0 }, /* Ñ */ - { ALPHA_CHAR, 0 }, /* Ò */ { ALPHA_CHAR, 0 }, /* Ó */ - { ALPHA_CHAR, 0 }, /* Ô */ { ALPHA_CHAR, 0 }, /* Õ */ - { ALPHA_CHAR, 0 }, /* Ö */ { ALPHA_CHAR, 0 }, /* × */ - { ALPHA_CHAR, 0 }, /* Ø */ { ALPHA_CHAR, 0 }, /* Ù */ - { ALPHA_CHAR, 0 }, /* Ú */ { ALPHA_CHAR, 0 }, /* Û */ - { ALPHA_CHAR, 0 }, /* Ü */ { ALPHA_CHAR, 0 }, /* Ý */ - { ALPHA_CHAR, 0 }, /* Þ */ { ALPHA_CHAR, 0 }, /* ß */ - { ALPHA_CHAR, 0 }, /* à */ { ALPHA_CHAR, 0 }, /* á */ - { ALPHA_CHAR, 0 }, /* â */ { ALPHA_CHAR, 0 }, /* ã */ - { ALPHA_CHAR, 0 }, /* ä */ { ALPHA_CHAR, 0 }, /* å */ - { ALPHA_CHAR, 0 }, /* æ */ { ALPHA_CHAR, 0 }, /* ç */ - { ALPHA_CHAR, 0 }, /* è */ { ALPHA_CHAR, 0 }, /* é */ - { ALPHA_CHAR, 0 }, /* ê */ { ALPHA_CHAR, 0 }, /* ë */ - { ALPHA_CHAR, 0 }, /* ì */ { ALPHA_CHAR, 0 }, /* í */ - { ALPHA_CHAR, 0 }, /* î */ { ALPHA_CHAR, 0 }, /* ï */ - { ALPHA_CHAR, 0 }, /* ð */ { ALPHA_CHAR, 0 }, /* ñ */ - { ALPHA_CHAR, 0 }, /* ò */ { ALPHA_CHAR, 0 }, /* ó */ - { ALPHA_CHAR, 0 }, /* ô */ { ALPHA_CHAR, 0 }, /* õ */ - { ALPHA_CHAR, 0 }, /* ö */ { ALPHA_CHAR, 0 }, /* ÷ */ - { ALPHA_CHAR, 0 }, /* ø */ { ALPHA_CHAR, 0 }, /* ù */ - { ALPHA_CHAR, 0 }, /* ú */ { ALPHA_CHAR, 0 }, /* û */ - { ALPHA_CHAR, 0 }, /* ü */ { ALPHA_CHAR, 0 }, /* ý */ - { ALPHA_CHAR, 0 }, /* þ */ { ALPHA_CHAR, 0 }, /* ÿ */ -}; - -int _SLcheck_identifier_syntax (char *name) -{ - unsigned char *p; - - p = (unsigned char *) name; - if (ALPHA_CHAR == Char_Type_Table[*p][0]) while (1) - { - unsigned ch; - unsigned char type; - - ch = *++p; - - type = Char_Type_Table [ch][0]; - if ((type != ALPHA_CHAR) && (type != DIGIT_CHAR)) - { - if (ch == 0) - return 0; - break; - } - } - - SLang_verror (SL_SYNTAX_ERROR, - "Name %s contains an illegal character", name); - return -1; -} - -static unsigned char prep_get_char (void) -{ - register unsigned char ch; - - if (0 != (ch = *Input_Line_Pointer++)) - return ch; - - Input_Line_Pointer--; - return 0; -} - -static void unget_prep_char (unsigned char ch) -{ - if ((Input_Line_Pointer != Input_Line) - && (ch != 0)) - Input_Line_Pointer--; - /* *Input_Line_Pointer = ch; -- Do not modify the Input_Line */ -} - -#include "keywhash.c" - -static int get_ident_token (_SLang_Token_Type *tok, unsigned char *s, unsigned int len) -{ - unsigned char ch; - unsigned char type; - Keyword_Table_Type *table; - - while (1) - { - ch = prep_get_char (); - type = CHAR_CLASS (ch); - if ((type != ALPHA_CHAR) && (type != DIGIT_CHAR)) - { - unget_prep_char (ch); - break; - } - s [len++] = ch; - } - - s[len] = 0; - - /* check if keyword */ - table = is_keyword ((char *) s, len); - if (table != NULL) - { - tok->v.s_val = table->name; - return (tok->type = table->type); - } - - tok->v.s_val = _SLstring_make_hashed_string ((char *)s, len, &tok->hash); - tok->free_sval_flag = 1; - return (tok->type = IDENT_TOKEN); -} - -static int get_number_token (_SLang_Token_Type *tok, unsigned char *s, unsigned int len) -{ - unsigned char ch; - unsigned char type; - - /* Look for pattern [0-9.xX]*([eE][-+]?[digits])?[ijfhul]? */ - while (1) - { - ch = prep_get_char (); - - type = CHAR_CLASS (ch); - if ((type != DIGIT_CHAR) && (type != DOT_CHAR)) - { - if ((ch != 'x') && (ch != 'X')) - break; - /* It must be hex */ - do - { - if (len == (MAX_TOKEN_LEN - 1)) - goto too_long_return_error; - - s[len++] = ch; - ch = prep_get_char (); - type = CHAR_CLASS (ch); - } - while ((type == DIGIT_CHAR) || (type == ALPHA_CHAR)); - break; - } - if (len == (MAX_TOKEN_LEN - 1)) - goto too_long_return_error; - s [len++] = ch; - } - - /* At this point, type and ch are synchronized */ - - if ((ch == 'e') || (ch == 'E')) - { - if (len == (MAX_TOKEN_LEN - 1)) - goto too_long_return_error; - s[len++] = ch; - ch = prep_get_char (); - if ((ch == '+') || (ch == '-')) - { - if (len == (MAX_TOKEN_LEN - 1)) - goto too_long_return_error; - s[len++] = ch; - ch = prep_get_char (); - } - - while (DIGIT_CHAR == (type = CHAR_CLASS(ch))) - { - if (len == (MAX_TOKEN_LEN - 1)) - goto too_long_return_error; - s[len++] = ch; - ch = prep_get_char (); - } - } - - while (ALPHA_CHAR == type) - { - if (len == (MAX_TOKEN_LEN - 1)) - goto too_long_return_error; - s[len++] = ch; - ch = prep_get_char (); - type = CHAR_CLASS(ch); - } - - unget_prep_char (ch); - s[len] = 0; - - switch (SLang_guess_type ((char *) s)) - { - default: - tok->v.s_val = (char *) s; - _SLparse_error ("Not a number", tok, 0); - return (tok->type = EOF_TOKEN); - -#if SLANG_HAS_FLOAT - case SLANG_FLOAT_TYPE: - tok->v.s_val = _SLstring_make_hashed_string ((char *)s, len, &tok->hash); - tok->free_sval_flag = 1; - return (tok->type = FLOAT_TOKEN); - - case SLANG_DOUBLE_TYPE: - tok->v.s_val = _SLstring_make_hashed_string ((char *)s, len, &tok->hash); - tok->free_sval_flag = 1; - return (tok->type = DOUBLE_TOKEN); -#endif -#if SLANG_HAS_COMPLEX - case SLANG_COMPLEX_TYPE: - tok->v.s_val = _SLstring_make_hashed_string ((char *)s, len, &tok->hash); - tok->free_sval_flag = 1; - return (tok->type = COMPLEX_TOKEN); -#endif - case SLANG_CHAR_TYPE: - tok->v.long_val = (char)SLatol (s); - return tok->type = CHAR_TOKEN; - case SLANG_UCHAR_TYPE: - tok->v.long_val = (unsigned char)SLatol (s); - return tok->type = UCHAR_TOKEN; - case SLANG_SHORT_TYPE: - tok->v.long_val = (short)SLatol (s); - return tok->type = SHORT_TOKEN; - case SLANG_USHORT_TYPE: - tok->v.long_val = (unsigned short)SLatoul (s); - return tok->type = USHORT_TOKEN; - case SLANG_INT_TYPE: - tok->v.long_val = (int)SLatol (s); - return tok->type = INT_TOKEN; - case SLANG_UINT_TYPE: - tok->v.long_val = (unsigned int)SLatoul (s); - return tok->type = UINT_TOKEN; - case SLANG_LONG_TYPE: - tok->v.long_val = SLatol (s); - return tok->type = LONG_TOKEN; - case SLANG_ULONG_TYPE: - tok->v.long_val = SLatoul (s); - return tok->type = ULONG_TOKEN; - } - - too_long_return_error: - _SLparse_error ("Number too long for buffer", NULL, 0); - return (tok->type == EOF_TOKEN); -} - -static int get_op_token (_SLang_Token_Type *tok, char ch) -{ - unsigned int offset; - char second_char; - unsigned char type; - char *name; - - /* operators are: + - / * ++ -- += -= = == != > < >= <= | etc.. - * These lex to the longest valid operator token. - */ - - offset = CHAR_DATA((unsigned char) ch); - if (0 == Operators [offset][1]) - { - name = Operators [offset]; - type = name [3]; - } - else - { - type = EOF_TOKEN; - name = NULL; - } - - second_char = prep_get_char (); - do - { - if (second_char == Operators[offset][1]) - { - name = Operators [offset]; - type = name [3]; - break; - } - offset++; - } - while (ch == Operators[offset][0]); - - tok->type = type; - - if (type == EOF_TOKEN) - { - _SLparse_error ("Operator not supported", NULL, 0); - return type; - } - - tok->v.s_val = name; - - if (name[1] == 0) - unget_prep_char (second_char); - - return type; -} - -/* If this returns non-zero, then it is a binary string */ -static int expand_escaped_string (register char *s, - register char *t, register char *tmax, - unsigned int *lenp) -{ - char *s0; - int is_binary = 0; - char ch; - - s0 = s; - while (t < tmax) - { - ch = *t++; - if (ch == '\\') - { - t = _SLexpand_escaped_char (t, &ch); - if (ch == 0) is_binary = 1; - } - *s++ = ch; - } - *s = 0; - - *lenp = (unsigned char) (s - s0); - return is_binary; -} - -static int get_string_token (_SLang_Token_Type *tok, unsigned char quote_char, - unsigned char *s) -{ - unsigned char ch; - unsigned int len = 0; - int has_quote = 0; - int is_binary; - - while (1) - { - ch = prep_get_char (); - if (ch == 0) - { - _SLparse_error("Expecting quote-character", NULL, 0); - return (tok->type = EOF_TOKEN); - } - if (ch == quote_char) break; - - s[len++] = ch; - - if (len == (MAX_TOKEN_LEN - 1)) - { - _SLparse_error ("String too long for buffer", NULL, 0); - return (tok->type == EOF_TOKEN); - } - - if (ch == '\\') - { - has_quote = 1; - ch = prep_get_char (); - s[len++] = ch; - } - } - - s[len] = 0; - - if (has_quote) - is_binary = expand_escaped_string ((char *) s, (char *)s, (char *)s + len, &len); - else is_binary = 0; - - if ('"' == quote_char) - { - tok->free_sval_flag = 1; - if (is_binary) - { - tok->v.b_val = SLbstring_create (s, len); - return tok->type = BSTRING_TOKEN; - } - else - { - tok->v.s_val = _SLstring_make_hashed_string ((char *)s, - len, - &tok->hash); - tok->free_sval_flag = 1; - return (tok->type = STRING_TOKEN); - } - } - - /* else single character */ - if (s[1] != 0) - { - _SLparse_error("Single char expected", NULL, 0); - return (tok->type = EOF_TOKEN); - } - - tok->v.long_val = s[0]; - return (tok->type = UCHAR_TOKEN); -} - -static int extract_token (_SLang_Token_Type *tok, unsigned char ch, unsigned char t) -{ - unsigned char s [MAX_TOKEN_LEN]; - unsigned int slen; - - s[0] = (char) ch; - slen = 1; - - switch (t) - { - case ALPHA_CHAR: - return get_ident_token (tok, s, slen); - - case OP_CHAR: - return get_op_token (tok, ch); - - case DIGIT_CHAR: - return get_number_token (tok, s, slen); - - case EXCL_CHAR: - ch = prep_get_char (); - s [slen++] = ch; - t = CHAR_CLASS(ch); - if (t == ALPHA_CHAR) return get_ident_token (tok, s, slen); - if (t == OP_CHAR) - { - unget_prep_char (ch); - return get_op_token (tok, '!'); - } - _SLparse_error("Misplaced !", NULL, 0); - return -1; - - case DOT_CHAR: - ch = prep_get_char (); - if (DIGIT_CHAR == CHAR_CLASS(ch)) - { - s [slen++] = ch; - return get_number_token (tok, s, slen); - } - unget_prep_char (ch); - return (tok->type = DOT_TOKEN); - - case SEP_CHAR: - return (tok->type = CHAR_DATA(ch)); - - case DQUOTE_CHAR: - case QUOTE_CHAR: - return get_string_token (tok, ch, s); - - default: - _SLparse_error("Invalid character", NULL, 0); - return (tok->type = EOF_TOKEN); - } -} - -int _SLget_rpn_token (_SLang_Token_Type *tok) -{ - unsigned char ch; - - tok->v.s_val = "??"; - while ((ch = *Input_Line_Pointer) != 0) - { - unsigned char t; - - Input_Line_Pointer++; - if (WHITE_CHAR == (t = CHAR_CLASS(ch))) - continue; - - if (NL_CHAR == t) - break; - - return extract_token (tok, ch, t); - } - Input_Line_Pointer = Empty_Line; - return EOF_TOKEN; -} - -int _SLget_token (_SLang_Token_Type *tok) -{ - unsigned char ch; - unsigned char t; - - tok->num_refs = 1; - tok->free_sval_flag = 0; - tok->v.s_val = "??"; -#if _SLANG_HAS_DEBUG_CODE - tok->line_number = LLT->line_num; -#endif - if (SLang_Error || (Input_Line == NULL)) - return (tok->type = EOF_TOKEN); - - while (1) - { - ch = *Input_Line_Pointer++; - if (WHITE_CHAR == (t = CHAR_CLASS (ch))) - continue; - - if (t != NL_CHAR) - return extract_token (tok, ch, t); - - do - { - LLT->line_num++; -#if _SLANG_HAS_DEBUG_CODE - tok->line_number++; -#endif - Input_Line = LLT->read(LLT); - if ((NULL == Input_Line) || SLang_Error) - { - Input_Line_Pointer = Input_Line = NULL; - return (tok->type = EOF_TOKEN); - } - } - while (0 == SLprep_line_ok(Input_Line, This_SLpp)); - - Input_Line_Pointer = Input_Line; - if (*Input_Line_Pointer == '.') - { - Input_Line_Pointer++; - return tok->type = RPN_TOKEN; - } - } -} - -static int prep_exists_function (char *line, char comment) -{ - char buf[MAX_FILE_LINE_LEN], *b, *bmax; - unsigned char ch; - - bmax = buf + (sizeof (buf) - 1); - - while (1) - { - /* skip whitespace */ - while ((ch = (unsigned char) *line), - ch && (ch != '\n') && (ch <= ' ')) - line++; - - if ((ch <= '\n') - || (ch == (unsigned char) comment)) break; - - b = buf; - while ((ch = (unsigned char) *line) > ' ') - { - if (b < bmax) *b++ = (char) ch; - line++; - } - *b = 0; - - if (SLang_is_defined (buf)) - return 1; - } - - return 0; -} - -static int prep_eval_expr (char *expr) -{ - int ret; - - if (0 != SLang_load_string (expr)) - return -1; - if (-1 == SLang_pop_integer (&ret)) - return -1; - return (ret != 0); -} - - -int SLang_load_object (SLang_Load_Type *x) -{ - SLPreprocess_Type this_pp; - SLPreprocess_Type *save_this_pp; - SLang_Load_Type *save_llt; - char *save_input_line, *save_input_line_ptr; -#if _SLANG_HAS_DEBUG_CODE - int save_compile_line_num_info; -#endif - int save_auto_declare_variables; - - if (SLprep_exists_hook == NULL) - SLprep_exists_hook = prep_exists_function; - - if (_SLprep_eval_hook == NULL) - _SLprep_eval_hook = prep_eval_expr; - - if (-1 == SLprep_open_prep (&this_pp)) return -1; - - if (-1 == _SLcompile_push_context (x)) - return -1; - -#if _SLANG_HAS_DEBUG_CODE - save_compile_line_num_info = _SLang_Compile_Line_Num_Info; -#endif - save_this_pp = This_SLpp; - save_input_line = Input_Line; - save_input_line_ptr = Input_Line_Pointer; - save_llt = LLT; - save_auto_declare_variables = _SLang_Auto_Declare_Globals; - - This_SLpp = &this_pp; - Input_Line_Pointer = Input_Line = Empty_Line; - LLT = x; - - x->line_num = 0; - x->parse_level = 0; - _SLang_Auto_Declare_Globals = x->auto_declare_globals; - -#if _SLANG_HAS_DEBUG_CODE - _SLang_Compile_Line_Num_Info = Default_Compile_Line_Num_Info; -#endif - - _SLparse_start (x); - if (SLang_Error) - do_line_file_error (x->line_num, x->name); - - _SLang_Auto_Declare_Globals = save_auto_declare_variables; - - if (SLang_Error) SLang_restart (0); - - (void) _SLcompile_pop_context (); - - Input_Line = save_input_line; - Input_Line_Pointer = save_input_line_ptr; - LLT = save_llt; - This_SLpp = save_this_pp; - -#if _SLANG_HAS_DEBUG_CODE - _SLang_Compile_Line_Num_Info = save_compile_line_num_info; -#endif - - if (SLang_Error) return -1; - return 0; -} - -SLang_Load_Type *SLallocate_load_type (char *name) -{ - SLang_Load_Type *x; - - if (NULL == (x = (SLang_Load_Type *)SLmalloc (sizeof (SLang_Load_Type)))) - return NULL; - memset ((char *) x, 0, sizeof (SLang_Load_Type)); - - if (name == NULL) name = ""; - - x->name = SLang_create_slstring (name); - if (x->name == NULL) - { - SLfree ((char *) x); - return NULL; - } - return x; -} - -void SLdeallocate_load_type (SLang_Load_Type *x) -{ - if (x != NULL) - { - SLang_free_slstring (x->name); - SLfree ((char *) x); - } -} - -typedef struct -{ - char *string; - char *ptr; -} -String_Client_Data_Type; - -static char *read_from_string (SLang_Load_Type *x) -{ - String_Client_Data_Type *data; - char *s, *s1, ch; - - data = (String_Client_Data_Type *)x->client_data; - s1 = s = data->ptr; - - if (*s == 0) - return NULL; - - while ((ch = *s) != 0) - { - s++; - if (ch == '\n') - break; - } - - data->ptr = s; - return s1; -} - -int SLang_load_string (char *string) -{ - SLang_Load_Type *x; - String_Client_Data_Type data; - int ret; - - if (string == NULL) - return -1; - - /* Grab a private copy in case loading modifies string */ - if (NULL == (string = SLang_create_slstring (string))) - return -1; - - /* To avoid creating a static data space for every string loaded, - * all string objects will be regarded as identical. So, identify - * all of them by ***string*** - */ - if (NULL == (x = SLallocate_load_type ("***string***"))) - { - SLang_free_slstring (string); - return -1; - } - - x->client_data = (VOID_STAR) &data; - x->read = read_from_string; - - data.ptr = data.string = string; - if (-1 == (ret = SLang_load_object (x))) - SLang_verror (SLang_Error, "called from eval: %s", string); - - SLang_free_slstring (string); - SLdeallocate_load_type (x); - return ret; -} - -typedef struct -{ - char *buf; - FILE *fp; -} -File_Client_Data_Type; - -char *SLang_User_Prompt; -static char *read_from_file (SLang_Load_Type *x) -{ - FILE *fp; - File_Client_Data_Type *c; - - c = (File_Client_Data_Type *)x->client_data; - fp = c->fp; - - if ((fp == stdin) && (SLang_User_Prompt != NULL)) - { - fputs (SLang_User_Prompt, stdout); - fflush (stdout); - } - - return fgets (c->buf, MAX_FILE_LINE_LEN, c->fp); -} - -/* Note that file could be freed from Slang during run of this routine - * so get it and store it !! (e.g., autoloading) - */ -int (*SLang_Load_File_Hook) (char *); -int SLang_load_file (char *f) -{ - File_Client_Data_Type client_data; - SLang_Load_Type *x; - char *name, *buf; - FILE *fp; - - if (SLang_Load_File_Hook != NULL) - return (*SLang_Load_File_Hook) (f); - - if (f == NULL) name = "<stdin>"; else name = f; - - name = SLang_create_slstring (name); - if (name == NULL) - return -1; - - if (NULL == (x = SLallocate_load_type (name))) - { - SLang_free_slstring (name); - return -1; - } - - buf = NULL; - - if (f != NULL) - fp = fopen (f, "r"); - else - fp = stdin; - - if (fp == NULL) - SLang_verror (SL_OBJ_NOPEN, "Unable to open %s", name); - else if (NULL != (buf = SLmalloc (MAX_FILE_LINE_LEN + 1))) - { - client_data.fp = fp; - client_data.buf = buf; - x->client_data = (VOID_STAR) &client_data; - x->read = read_from_file; - - (void) SLang_load_object (x); - } - - if ((fp != NULL) && (fp != stdin)) - fclose (fp); - - SLfree (buf); - SLang_free_slstring (name); - SLdeallocate_load_type (x); - - if (SLang_Error) - return -1; - - return 0; -} - -int SLang_guess_type (char *t) -{ - char *p; - register char ch; - int modifier = 0; - - if (*t == '-') t++; - p = t; - -#if SLANG_HAS_FLOAT - if (*p != '.') - { -#endif - modifier = 0; - while ((*p >= '0') && (*p <= '9')) p++; - if (t == p) return (SLANG_STRING_TYPE); - if ((*p == 'x') && (p == t + 1)) /* 0x?? */ - { - modifier |= 8; - p++; - while (ch = *p, - ((ch >= '0') && (ch <= '9')) - || (((ch | 0x20) >= 'a') && ((ch | 0x20) <= 'f'))) p++; - } - - /* Now look for UL, LU, UH, HU, L, H modifiers */ - while ((ch = *p) != 0) - { - ch |= 0x20; - if (ch == 'h') modifier |= 1; - else if (ch == 'l') modifier |= 2; - else if (ch == 'u') modifier |= 4; - else break; - p++; - } - if ((1|2) == (modifier & (1|2))) /* hl present */ - return SLANG_STRING_TYPE; - - if (ch == 0) - { - if ((modifier & 0x7) == 0) return SLANG_INT_TYPE; - if (modifier & 4) - { - if (modifier & 1) return SLANG_USHORT_TYPE; - if (modifier & 2) return SLANG_ULONG_TYPE; - return SLANG_UINT_TYPE; - } - if (modifier & 1) return SLANG_SHORT_TYPE; - if (modifier & 2) return SLANG_LONG_TYPE; - return SLANG_INT_TYPE; - } - - if (modifier) return SLANG_STRING_TYPE; -#if SLANG_HAS_FLOAT - } - - /* now down to double case */ - if (*p == '.') - { - p++; - while ((*p >= '0') && (*p <= '9')) p++; - } - if (*p == 0) return(SLANG_DOUBLE_TYPE); - if ((*p != 'e') && (*p != 'E')) - { -# if SLANG_HAS_COMPLEX - if (((*p == 'i') || (*p == 'j')) - && (p[1] == 0)) - return SLANG_COMPLEX_TYPE; -# endif - if (((*p | 0x20) == 'f') && (p[1] == 0)) - return SLANG_FLOAT_TYPE; - - return SLANG_STRING_TYPE; - } - - p++; - if ((*p == '-') || (*p == '+')) p++; - while ((*p >= '0') && (*p <= '9')) p++; - if (*p != 0) - { -# if SLANG_HAS_COMPLEX - if (((*p == 'i') || (*p == 'j')) - && (p[1] == 0)) - return SLANG_COMPLEX_TYPE; -# endif - if (((*p | 0x20) == 'f') && (p[1] == 0)) - return SLANG_FLOAT_TYPE; - - return SLANG_STRING_TYPE; - } - return SLANG_DOUBLE_TYPE; -#else - return SLANG_STRING_TYPE; -#endif /* SLANG_HAS_FLOAT */ -} - -static int hex_atoul (unsigned char *s, unsigned long *ul) -{ - register unsigned char ch; - register unsigned long value; - register int base; - - s++; /* skip the leading 0 */ - - /* look for 'x' which indicates hex */ - if ((*s | 0x20) == 'x') - { - base = 16; - s++; - if (*s == 0) - { - SLang_Error = SL_SYNTAX_ERROR; - return -1; - } - } - else base = 8; - - value = 0; - while ((ch = *s++) != 0) - { - char ch1 = ch | 0x20; - switch (ch1) - { - default: - SLang_Error = SL_SYNTAX_ERROR; - break; - - case 'u': - case 'l': - case 'h': - *ul = value; - return 0; - - case '8': - case '9': - if (base != 16) SLang_Error = SL_SYNTAX_ERROR; - /* drop */ - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - ch1 -= '0'; - break; - - case 'a': - case 'b': - case 'c': - case 'd': - case 'e': - case 'f': - if (base != 16) SLang_Error = SL_SYNTAX_ERROR; - ch1 = (ch1 - 'a') + 10; - break; - } - value = value * base + ch1; - } - *ul = value; - return 0; -} - -/* Note: These routines do not check integer overflow. I would use the C - * library functions atol and atoul but some implementations check overflow - * and some do not. The following implementations provide a consistent - * behavior. - */ -unsigned long SLatoul (unsigned char *s) -{ - int sign; - unsigned long value; - - if (*s == '-') sign = -1; - else - { - sign = 1; - if (*s == '+') s++; - } - - if (*s == '0') - { - if (-1 == hex_atoul (s, &value)) - return (unsigned long) -1; - } - else - { - while (WHITE_CHAR == CHAR_CLASS(*s)) - s++; - - value = 0; - while (DIGIT_CHAR == CHAR_CLASS(*s)) - { - value = value * 10 + (unsigned long) (*s - '0'); - s++; - } - } - - if (sign == -1) - value = (unsigned long)-1L * value; - - return value; -} - -long SLatol (unsigned char *s) -{ - while (WHITE_CHAR == CHAR_CLASS(*s)) - s++; - - if (*s == '-') - { - long value = (long) SLatoul (s+1); - return -value; - } - return (long) SLatoul (s); -} - -int SLatoi (unsigned char *s) -{ - return (int) SLatol (s); -} - -static char *check_byte_compiled_token (char *buf) -{ - unsigned int len_lo, len_hi, len; - - len_lo = (unsigned char) *Input_Line_Pointer++; - if ((len_lo < 32) - || ((len_hi = (unsigned char)*Input_Line_Pointer++) < 32) - || ((len = (len_lo - 32) | ((len_hi - 32) << 7)) >= MAX_TOKEN_LEN)) - { - SLang_doerror ("Byte compiled file appears corrupt"); - return NULL; - } - - SLMEMCPY (buf, Input_Line_Pointer, len); - buf += len; - Input_Line_Pointer += len; - *buf = 0; - return buf; -} - -void _SLcompile_byte_compiled (void) -{ - unsigned char type; - _SLang_Token_Type tok; - char buf[MAX_TOKEN_LEN]; - char *ebuf; - unsigned int len; - - memset ((char *) &tok, 0, sizeof (_SLang_Token_Type)); - - while (SLang_Error == 0) - { - top_of_switch: - type = (unsigned char) *Input_Line_Pointer++; - switch (type) - { - case '\n': - case 0: - if (NULL == (Input_Line = LLT->read(LLT))) - { - Input_Line_Pointer = Input_Line = NULL; - return; - } - Input_Line_Pointer = Input_Line; - goto top_of_switch; - - case LINE_NUM_TOKEN: - case CHAR_TOKEN: - case UCHAR_TOKEN: - case SHORT_TOKEN: - case USHORT_TOKEN: - case INT_TOKEN: - case UINT_TOKEN: - case LONG_TOKEN: - case ULONG_TOKEN: - if (NULL == check_byte_compiled_token (buf)) - return; - tok.v.long_val = atol (buf); - break; - - case COMPLEX_TOKEN: - case FLOAT_TOKEN: - case DOUBLE_TOKEN: - if (NULL == check_byte_compiled_token (buf)) - return; - tok.v.s_val = buf; - break; - - case ESC_STRING_TOKEN: - if (NULL == (ebuf = check_byte_compiled_token (buf))) - return; - tok.v.s_val = buf; - if (expand_escaped_string (buf, buf, ebuf, &len)) - { - tok.hash = len; - type = _BSTRING_TOKEN; - } - else - { - tok.hash = _SLstring_hash ((unsigned char *)buf, (unsigned char *)buf + len); - type = STRING_TOKEN; - } - break; - - case TMP_TOKEN: - case DEFINE_TOKEN: - case DEFINE_STATIC_TOKEN: - case DEFINE_PRIVATE_TOKEN: - case DEFINE_PUBLIC_TOKEN: - case DOT_TOKEN: - case STRING_TOKEN: - case IDENT_TOKEN: - case _REF_TOKEN: - case _DEREF_ASSIGN_TOKEN: - case _SCALAR_ASSIGN_TOKEN: - case _SCALAR_PLUSEQS_TOKEN: - case _SCALAR_MINUSEQS_TOKEN: - case _SCALAR_TIMESEQS_TOKEN: - case _SCALAR_DIVEQS_TOKEN: - case _SCALAR_BOREQS_TOKEN: - case _SCALAR_BANDEQS_TOKEN: - case _SCALAR_PLUSPLUS_TOKEN: - case _SCALAR_POST_PLUSPLUS_TOKEN: - case _SCALAR_MINUSMINUS_TOKEN: - case _SCALAR_POST_MINUSMINUS_TOKEN: - case _STRUCT_ASSIGN_TOKEN: - case _STRUCT_PLUSEQS_TOKEN: - case _STRUCT_MINUSEQS_TOKEN: - case _STRUCT_TIMESEQS_TOKEN: - case _STRUCT_DIVEQS_TOKEN: - case _STRUCT_BOREQS_TOKEN: - case _STRUCT_BANDEQS_TOKEN: - case _STRUCT_POST_MINUSMINUS_TOKEN: - case _STRUCT_MINUSMINUS_TOKEN: - case _STRUCT_POST_PLUSPLUS_TOKEN: - case _STRUCT_PLUSPLUS_TOKEN: - if (NULL == (ebuf = check_byte_compiled_token (buf))) - return; - tok.v.s_val = buf; - tok.hash = _SLstring_hash ((unsigned char *)buf, (unsigned char *)ebuf); - break; - - default: - break; - } - tok.type = type; - - (*_SLcompile_ptr) (&tok); - } -} - -static int escape_string (unsigned char *s, unsigned char *smax, - unsigned char *buf, unsigned char *buf_max, - int *is_escaped) -{ - unsigned char ch; - - *is_escaped = 0; - while (buf < buf_max) - { - if (s == smax) - { - *buf = 0; - return 0; - } - - ch = *s++; - switch (ch) - { - default: - *buf++ = ch; - break; - - case 0: - *buf++ = '\\'; - if (buf < buf_max) *buf++ = 'x'; - if (buf < buf_max) *buf++ = '0'; - if (buf < buf_max) *buf++ = '0'; - *is_escaped = 1; - break; /* return 0; */ - - case '\n': - *buf++ = '\\'; - if (buf < buf_max) *buf++ = 'n'; - *is_escaped = 1; - break; - - case '\r': - *buf++ = '\\'; - if (buf < buf_max) *buf++ = 'r'; - *is_escaped = 1; - break; - - case 0x1A: /* ^Z */ - *buf++ = '\\'; - if (buf < buf_max) *buf++ = 'x'; - if (buf < buf_max) *buf++ = '1'; - if (buf < buf_max) *buf++ = 'A'; - *is_escaped = 1; - break; - - case '\\': - *buf++ = ch; - if (buf < buf_max) *buf++ = ch; - *is_escaped = 1; - break; - } - } - _SLparse_error ("String too long to byte-compile", NULL, 0); - return -1; -} - -static FILE *Byte_Compile_Fp; -static unsigned int Byte_Compile_Line_Len; - -static int bytecomp_write_data (char *buf, unsigned int len) -{ - char *err = "Write Error"; - - if ((Byte_Compile_Line_Len + len + 1) >= MAX_FILE_LINE_LEN) - { - if (EOF == fputs ("\n", Byte_Compile_Fp)) - { - SLang_doerror (err); - return -1; - } - Byte_Compile_Line_Len = 0; - } - - if (EOF == fputs (buf, Byte_Compile_Fp)) - { - SLang_doerror (err); - return -1; - } - Byte_Compile_Line_Len += len; - return 0; -} - -static void byte_compile_token (_SLang_Token_Type *tok) -{ - unsigned char buf [MAX_TOKEN_LEN + 4], *buf_max; - unsigned int len; - char *b3; - int is_escaped; - unsigned char *s; - - if (SLang_Error) return; - - buf [0] = (unsigned char) tok->type; - buf [1] = 0; - - buf_max = buf + sizeof(buf); - b3 = (char *) buf + 3; - - switch (tok->type) - { - case LINE_NUM_TOKEN: - case CHAR_TOKEN: - case SHORT_TOKEN: - case INT_TOKEN: - case LONG_TOKEN: - sprintf (b3, "%ld", tok->v.long_val); - break; - - case UCHAR_TOKEN: - case USHORT_TOKEN: - case UINT_TOKEN: - case ULONG_TOKEN: - sprintf (b3, "%lu", tok->v.long_val); - break; - - case _BSTRING_TOKEN: - s = (unsigned char *) tok->v.s_val; - len = (unsigned int) tok->hash; - - if (-1 == escape_string (s, s + len, - (unsigned char *)b3, buf_max, - &is_escaped)) - return; - - buf[0] = ESC_STRING_TOKEN; - break; - - case BSTRING_TOKEN: - if (NULL == (s = SLbstring_get_pointer (tok->v.b_val, &len))) - return; - - if (-1 == escape_string (s, s + len, - (unsigned char *)b3, buf_max, - &is_escaped)) - return; - buf[0] = ESC_STRING_TOKEN; - break; - - case STRING_TOKEN: - s = (unsigned char *)tok->v.s_val; - - if (-1 == escape_string (s, s + strlen ((char *)s), - (unsigned char *)b3, buf_max, - &is_escaped)) - return; - - if (is_escaped) - buf[0] = ESC_STRING_TOKEN; - break; - - /* a _SCALAR_* token is attached to an identifier. */ - case _DEREF_ASSIGN_TOKEN: - case _SCALAR_ASSIGN_TOKEN: - case _SCALAR_PLUSEQS_TOKEN: - case _SCALAR_MINUSEQS_TOKEN: - case _SCALAR_TIMESEQS_TOKEN: - case _SCALAR_DIVEQS_TOKEN: - case _SCALAR_BOREQS_TOKEN: - case _SCALAR_BANDEQS_TOKEN: - case _SCALAR_PLUSPLUS_TOKEN: - case _SCALAR_POST_PLUSPLUS_TOKEN: - case _SCALAR_MINUSMINUS_TOKEN: - case _SCALAR_POST_MINUSMINUS_TOKEN: - case DOT_TOKEN: - case TMP_TOKEN: - case DEFINE_TOKEN: - case DEFINE_STATIC_TOKEN: - case DEFINE_PRIVATE_TOKEN: - case DEFINE_PUBLIC_TOKEN: - case FLOAT_TOKEN: - case DOUBLE_TOKEN: - case COMPLEX_TOKEN: - case IDENT_TOKEN: - case _REF_TOKEN: - case _STRUCT_ASSIGN_TOKEN: - case _STRUCT_PLUSEQS_TOKEN: - case _STRUCT_MINUSEQS_TOKEN: - case _STRUCT_TIMESEQS_TOKEN: - case _STRUCT_DIVEQS_TOKEN: - case _STRUCT_BOREQS_TOKEN: - case _STRUCT_BANDEQS_TOKEN: - case _STRUCT_POST_MINUSMINUS_TOKEN: - case _STRUCT_MINUSMINUS_TOKEN: - case _STRUCT_POST_PLUSPLUS_TOKEN: - case _STRUCT_PLUSPLUS_TOKEN: - strcpy (b3, tok->v.s_val); - break; - - default: - b3 = NULL; - } - - if (b3 != NULL) - { - len = strlen (b3); - buf[1] = (unsigned char) ((len & 0x7F) + 32); - buf[2] = (unsigned char) (((len >> 7) & 0x7F) + 32); - len += 3; - } - else len = 1; - - (void) bytecomp_write_data ((char *)buf, len); -} - -int SLang_byte_compile_file (char *name, int method) -{ - char file [1024]; - - (void) method; - if (strlen (name) + 2 >= sizeof (file)) - { - SLang_verror (SL_INVALID_PARM, "Filename too long"); - return -1; - } - sprintf (file, "%sc", name); - if (NULL == (Byte_Compile_Fp = fopen (file, "w"))) - { - SLang_verror(SL_OBJ_NOPEN, "%s: unable to open", file); - return -1; - } - - Byte_Compile_Line_Len = 0; - if (-1 != bytecomp_write_data (".#", 2)) - { - _SLcompile_ptr = byte_compile_token; - (void) SLang_load_file (name); - _SLcompile_ptr = _SLcompile; - - (void) bytecomp_write_data ("\n", 1); - } - - if (EOF == fclose (Byte_Compile_Fp)) - SLang_doerror ("Write Error"); - - if (SLang_Error) - { - SLang_verror (0, "Error processing %s", name); - return -1; - } - return 0; -} - -int SLang_generate_debug_info (int x) -{ - int y = Default_Compile_Line_Num_Info; - Default_Compile_Line_Num_Info = x; - return y; -} diff --git a/mdk-stage1/slang/sltypes.c b/mdk-stage1/slang/sltypes.c deleted file mode 100644 index 05b8741b1..000000000 --- a/mdk-stage1/slang/sltypes.c +++ /dev/null @@ -1,966 +0,0 @@ -/* Basic type operations for S-Lang */ -/* Copyright (c) 1992, 1996, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#if SLANG_HAS_FLOAT -# include <math.h> -#endif - -#define SL_APP_WANTS_FOREACH /* for String_Type */ -#include "slang.h" -#include "_slang.h" - -int SLpop_string (char **s) /*{{{*/ -{ - char *sls; - - *s = NULL; - - if (-1 == SLang_pop_slstring (&sls)) - return -1; - - if (NULL == (*s = SLmake_string (sls))) - { - SLang_free_slstring (sls); - return -1; - } - - SLang_free_slstring (sls); - return 0; -} - -/*}}}*/ - -int SLang_pop_slstring (char **s) /*{{{*/ -{ - return SLclass_pop_ptr_obj (SLANG_STRING_TYPE, (VOID_STAR *)s); -} - -/*}}}*/ - -/* if *data != 0, string should be freed upon use. */ -int SLang_pop_string(char **s, int *data) /*{{{*/ -{ - if (SLpop_string (s)) - return -1; - - *data = 1; - return 0; -} - -/*}}}*/ - -int _SLang_push_slstring (char *s) -{ - if (0 == SLclass_push_ptr_obj (SLANG_STRING_TYPE, (VOID_STAR)s)) - return 0; - - SLang_free_slstring (s); - return -1; -} - -int _SLpush_alloced_slstring (char *s, unsigned int len) -{ - if (NULL == (s = _SLcreate_via_alloced_slstring (s, len))) - return -1; - - return _SLang_push_slstring (s); -} - -int SLang_push_string (char *t) /*{{{*/ -{ - if (t == NULL) - return SLang_push_null (); - - if (NULL == (t = SLang_create_slstring (t))) - return -1; - - return _SLang_push_slstring (t); -} - -/*}}}*/ - -int _SLang_dup_and_push_slstring (char *s) -{ - if (NULL == (s = _SLstring_dup_slstring (s))) - return SLang_push_null (); - - return _SLang_push_slstring (s); -} - - -/* This function _always_ frees the malloced string */ -int SLang_push_malloced_string (char *c) /*{{{*/ -{ - int ret; - - ret = SLang_push_string (c); - SLfree (c); - - return ret; -} - -/*}}}*/ - -#if 0 -static int int_int_power (int a, int b) -{ - int r, s; - - if (a == 0) return 0; - if (b < 0) return 0; - if (b == 0) return 1; - - s = 1; - if (a < 0) - { - if ((b % 2) == 1) s = -1; - a = -a; - } - - /* FIXME: Priority=low - * This needs optimized - */ - r = 1; - while (b) - { - r = r * a; - b--; - } - return r * s; -} -#endif - -static int -string_string_bin_op_result (int op, unsigned char a, unsigned char b, - unsigned char *c) -{ - (void) a; - (void) b; - switch (op) - { - default: - return 0; - - case SLANG_PLUS: - *c = SLANG_STRING_TYPE; - break; - - case SLANG_GT: - case SLANG_GE: - case SLANG_LT: - case SLANG_LE: - case SLANG_EQ: - case SLANG_NE: - *c = SLANG_CHAR_TYPE; - break; - } - return 1; -} - -static int -string_string_bin_op (int op, - unsigned char a_type, VOID_STAR ap, unsigned int na, - unsigned char b_type, VOID_STAR bp, unsigned int nb, - VOID_STAR cp) -{ - char *ic; - char **a, **b, **c; - unsigned int n, n_max; - unsigned int da, db; - - (void) a_type; - (void) b_type; - - if (na == 1) da = 0; else da = 1; - if (nb == 1) db = 0; else db = 1; - - if (na > nb) n_max = na; else n_max = nb; - - a = (char **) ap; - b = (char **) bp; - for (n = 0; n < n_max; n++) - { - if ((*a == NULL) || (*b == NULL)) - { - SLang_verror (SL_VARIABLE_UNINITIALIZED, "String element[%u] not initialized for binary operation", n); - return -1; - } - a += da; b += db; - } - - a = (char **) ap; - b = (char **) bp; - ic = (char *) cp; - c = NULL; - - switch (op) - { - case SLANG_DIVIDE: - case SLANG_MINUS: - default: - return 0; - - case SLANG_PLUS: - /* Concat */ - c = (char **) cp; - for (n = 0; n < n_max; n++) - { - if (NULL == (c[n] = SLang_concat_slstrings (*a, *b))) - goto return_error; - - a += da; b += db; - } - break; - - case SLANG_NE: - for (n = 0; n < n_max; n++) - { - ic [n] = (0 != strcmp (*a, *b)); - a += da; - b += db; - } - break; - case SLANG_GT: - for (n = 0; n < n_max; n++) - { - ic [n] = (strcmp (*a, *b) > 0); - a += da; - b += db; - } - break; - case SLANG_GE: - for (n = 0; n < n_max; n++) - { - ic [n] = (strcmp (*a, *b) >= 0); - a += da; - b += db; - } - break; - case SLANG_LT: - for (n = 0; n < n_max; n++) - { - ic [n] = (strcmp (*a, *b) < 0); - a += da; - b += db; - } - break; - case SLANG_LE: - for (n = 0; n < n_max; n++) - { - ic [n] = (strcmp (*a, *b) <= 0); - a += da; - b += db; - } - break; - case SLANG_EQ: - for (n = 0; n < n_max; n++) - { - ic [n] = (strcmp (*a, *b) == 0); - a += da; - b += db; - } - break; - } - return 1; - - return_error: - if (c != NULL) - { - unsigned int nn; - for (nn = 0; nn < n; nn++) - { - SLang_free_slstring (c[nn]); - c[nn] = NULL; - } - for (nn = n; nn < n_max; nn++) - c[nn] = NULL; - } - return -1; -} - -static void string_destroy (unsigned char unused, VOID_STAR s) -{ - (void) unused; - SLang_free_slstring (*(char **) s); -} - -static int string_push (unsigned char unused, VOID_STAR sptr) -{ - (void) unused; - return SLang_push_string (*(char **) sptr); -} - -static int string_cmp (unsigned char unused, VOID_STAR ap, VOID_STAR bp, int *c) -{ - char *a, *b; - (void) unused; - - a = *(char **) ap; - b = *(char **) bp; - if (a != b) - { - if (a == NULL) *c = -1; - else if (b == NULL) *c = 1; - else *c = strcmp (a, b); - return 0; - } - *c = 0; - return 0; -} - -static int string_to_int (unsigned char a_type, VOID_STAR ap, unsigned int na, - unsigned char b_type, VOID_STAR bp) -{ - char **s; - unsigned int i; - int *b; - - (void) a_type; - (void) b_type; - - s = (char **) ap; - b = (int *) bp; - for (i = 0; i < na; i++) - { - if (s[i] == NULL) b[i] = 0; - else b[i] = s[i][0]; - } - return 1; -} - -struct _SLang_Foreach_Context_Type -{ - char *string; - unsigned int n; -}; - -static SLang_Foreach_Context_Type * -string_foreach_open (unsigned char type, unsigned int num) -{ - char *s; - SLang_Foreach_Context_Type *c; - - (void) type; - if (num != 0) - { - SLang_verror (SL_NOT_IMPLEMENTED, - "'foreach using' form not supported by String_Type"); - SLdo_pop_n (num + 1); - return NULL; - } - if (-1 == SLang_pop_slstring (&s)) - return NULL; - - c = (SLang_Foreach_Context_Type *)SLmalloc (sizeof (SLang_Foreach_Context_Type)); - if (c == NULL) - { - SLang_free_slstring (s); - return NULL; - } - - memset ((char *) c, 0, sizeof (SLang_Foreach_Context_Type)); - c->string = s; - - return c; -} - -static void string_foreach_close (unsigned char type, SLang_Foreach_Context_Type *c) -{ - (void) type; - if (c == NULL) return; - SLang_free_slstring (c->string); - SLfree ((char *) c); -} - -static int string_foreach (unsigned char type, SLang_Foreach_Context_Type *c) -{ - char ch; - - (void) type; - ch = c->string[c->n]; - if (ch == 0) - return 0; /* done */ - - c->n += 1; - - if (-1 == SLclass_push_int_obj (SLANG_INT_TYPE, ch)) - return -1; - - return 1; -} - -int _SLstring_list_push (_SLString_List_Type *p) -{ - unsigned int num; - int inum; - SLang_Array_Type *at; - char **buf; - - if ((buf = p->buf) == NULL) - return SLang_push_null (); - - num = p->num; - inum = (int) num; - - if (num == 0) num++; - if (num != p->max_num) - { - if (NULL == (buf = (char **)SLrealloc ((char *) buf, sizeof (char *) * num))) - { - _SLstring_list_delete (p); - return -1; - } - p->max_num = num; - p->buf = buf; - } - - if (NULL == (at = SLang_create_array (SLANG_STRING_TYPE, 0, (VOID_STAR) buf, &inum, 1))) - { - _SLstring_list_delete (p); - return -1; - } - p->buf = NULL; - _SLstring_list_delete (p); - return SLang_push_array (at, 1); -} - -int _SLstring_list_init (_SLString_List_Type *p, unsigned int max_num, unsigned int delta_num) -{ - if (NULL == (p->buf = (char **) SLmalloc (max_num * sizeof (char *)))) - return -1; - - p->max_num = max_num; - p->num = 0; - p->delta_num = delta_num; - return 0; -} - -int _SLstring_list_append (_SLString_List_Type *p, char *s) -{ - if (s == NULL) - { - _SLstring_list_delete (p); - return -1; - } - - if (p->max_num == p->num) - { - char **b; - unsigned int max_num = p->num + p->delta_num; - b = (char **)SLrealloc ((char *)p->buf, max_num * sizeof (char *)); - if (b == NULL) - { - _SLstring_list_delete (p); - SLang_free_slstring (s); - return -1; - } - p->buf = b; - p->max_num = max_num; - } - - p->buf[p->num] = s; - p->num++; - return 0; -} - -void _SLstring_list_delete (_SLString_List_Type *p) -{ - if (p->buf != NULL) - { - unsigned int i, imax; - char **buf = p->buf; - imax = p->num; - for (i = 0; i < imax; i++) - SLang_free_slstring (buf[i]); - SLfree ((char *)buf); - p->buf = NULL; - } -} - -/* Ref type */ -int SLang_pop_ref (SLang_Ref_Type **ref) -{ - return SLclass_pop_ptr_obj (SLANG_REF_TYPE, (VOID_STAR *)ref); -} - -/* Note: This is ok if ptr is NULL. Some routines rely on this behavior */ -int _SLang_push_ref (int is_global, VOID_STAR ptr) -{ - SLang_Ref_Type *r; - - if (ptr == NULL) - return SLang_push_null (); - - r = (SLang_Ref_Type *) SLmalloc (sizeof (SLang_Ref_Type)); - if (r == NULL) return -1; - - r->is_global = is_global; - r->v.nt = (SLang_Name_Type *) ptr; - - if (-1 == SLclass_push_ptr_obj (SLANG_REF_TYPE, (VOID_STAR) r)) - { - SLfree ((char *) r); - return -1; - } - return 0; -} - -static void ref_destroy (unsigned char type, VOID_STAR ptr) -{ - (void) type; - SLfree ((char *) *(SLang_Ref_Type **)ptr); -} - -void SLang_free_ref (SLang_Ref_Type *ref) -{ - SLfree ((char *) ref); -} - -static int ref_push (unsigned char type, VOID_STAR ptr) -{ - SLang_Ref_Type *ref; - - (void) type; - - ref = *(SLang_Ref_Type **) ptr; - - if (ref == NULL) - return SLang_push_null (); - - return _SLang_push_ref (ref->is_global, (VOID_STAR) ref->v.nt); -} - -int SLang_assign_to_ref (SLang_Ref_Type *ref, unsigned char type, VOID_STAR v) -{ - SLang_Object_Type *stkptr; - SLang_Class_Type *cl; - - cl = _SLclass_get_class (type); - - /* Use apush since this function is passing ``array'' bytes rather than the - * address of the data. I need to somehow make this more consistent. To - * see what I mean, consider: - * - * double z[2]; - * char *s = "silly"; - * int i; - * - * SLang_assign_to_ref (ref, SLANG_INT_TYPE, &i); - * SLang_assign_to_ref (ref, SLANG_STRING_TYPE, &s); - * SLang_assign_to_ref (ref, SLANG_COMPLEX_TYPE, z); - * - * That is, all external routines that take a VOID_STAR argument need to - * be documented such that how the function should be called with the - * various class_types. - */ - if (-1 == (*cl->cl_apush) (type, v)) - return -1; - - stkptr = _SLStack_Pointer; - if (0 == _SLang_deref_assign (ref)) - return 0; - - if (stkptr != _SLStack_Pointer) - SLdo_pop (); - - return -1; -} - -static char *ref_string (unsigned char type, VOID_STAR ptr) -{ - SLang_Ref_Type *ref; - - (void) type; - ref = *(SLang_Ref_Type **) ptr; - if (ref->is_global) - { - char *name, *s; - - name = ref->v.nt->name; - if ((name != NULL) - && (NULL != (s = SLmalloc (strlen(name) + 2)))) - { - *s = '&'; - strcpy (s + 1, name); - return s; - } - - return NULL; - } - return SLmake_string ("Local Variable Reference"); -} - -static int ref_dereference (unsigned char unused, VOID_STAR ptr) -{ - (void) unused; - return _SLang_dereference_ref (*(SLang_Ref_Type **) ptr); -} - -static int ref_cmp (unsigned char type, VOID_STAR a, VOID_STAR b, int *c) -{ - SLang_Ref_Type *ra, *rb; - - (void) type; - - ra = *(SLang_Ref_Type **)a; - rb = *(SLang_Ref_Type **)b; - - if (ra == NULL) - { - if (rb == NULL) *c = 0; - else *c = -1; - return 0; - } - if (rb == NULL) - { - *c = 1; - return 0; - } - - if (ra->v.nt == rb->v.nt) - *c = 0; - else *c = strcmp (ra->v.nt->name, rb->v.nt->name); - return 0; -} - - -SLang_Name_Type *SLang_pop_function (void) -{ - SLang_Ref_Type *ref; - SLang_Name_Type *f; - - if (SLang_peek_at_stack () == SLANG_STRING_TYPE) - { - char *name; - - if (-1 == SLang_pop_slstring (&name)) - return NULL; - - if (NULL == (f = SLang_get_function (name))) - { - SLang_verror (SL_UNDEFINED_NAME, "Function %s does not exist", name); - SLang_free_slstring (name); - return NULL; - } - SLang_free_slstring (name); - return f; - } - - if (-1 == SLang_pop_ref (&ref)) - return NULL; - - f = SLang_get_fun_from_ref (ref); - SLang_free_ref (ref); - return f; -} - -/* This is a placeholder for version 2 */ -void SLang_free_function (SLang_Name_Type *f) -{ - (void) f; -} - -/* NULL type */ -int SLang_push_null (void) -{ - return SLclass_push_ptr_obj (SLANG_NULL_TYPE, NULL); -} - -int SLang_pop_null (void) -{ - SLang_Object_Type obj; - return _SLang_pop_object_of_type (SLANG_NULL_TYPE, &obj, 0); -} - -static int null_push (unsigned char unused, VOID_STAR ptr_unused) -{ - (void) unused; (void) ptr_unused; - return SLang_push_null (); -} - -static int null_pop (unsigned char type, VOID_STAR ptr) -{ - (void) type; - - if (-1 == SLang_pop_null ()) - return -1; - - *(char **) ptr = NULL; - return 0; -} - -/* Implement foreach (NULL) using (whatever) to do nothing. This is useful - * because suppose that X is a list but is NULL in some situations. Then - * when it is NULL, we want foreach(X) to do nothing. - */ -static SLang_Foreach_Context_Type * -null_foreach_open (unsigned char type, unsigned int num) -{ - (void) type; - SLdo_pop_n (num + 1); - return (SLang_Foreach_Context_Type *)1; -} - -static void null_foreach_close (unsigned char type, SLang_Foreach_Context_Type *c) -{ - (void) type; - (void) c; -} - -static int null_foreach (unsigned char type, SLang_Foreach_Context_Type *c) -{ - (void) type; - (void) c; - return 0; -} - -static int null_to_bool (unsigned char type, int *t) -{ - (void) type; - *t = 0; - return SLang_pop_null (); -} - -/* AnyType */ -int _SLanytype_typecast (unsigned char a_type, VOID_STAR ap, unsigned int na, - unsigned char b_type, VOID_STAR bp) -{ - SLang_Class_Type *cl; - SLang_Any_Type **any; - unsigned int i; - unsigned int sizeof_type; - - (void) b_type; - - any = (SLang_Any_Type **) bp; - - cl = _SLclass_get_class (a_type); - sizeof_type = cl->cl_sizeof_type; - - for (i = 0; i < na; i++) - { - if ((-1 == (*cl->cl_apush) (a_type, ap)) - || (-1 == SLang_pop_anytype (&any[i]))) - { - while (i != 0) - { - i--; - SLang_free_anytype (any[i]); - any[i] = NULL; - } - return -1; - } - ap = (VOID_STAR)((char *)ap + sizeof_type); - } - - return 1; -} - -int SLang_pop_anytype (SLang_Any_Type **any) -{ - SLang_Object_Type *obj; - - *any = NULL; - - if (NULL == (obj = (SLang_Object_Type *) SLmalloc (sizeof (SLang_Object_Type)))) - return -1; - - if (-1 == SLang_pop (obj)) - { - SLfree ((char *) obj); - return -1; - } - *any = (SLang_Any_Type *)obj; - return 0; -} - -/* This function will result in an object that is represented by the - * anytype object. - */ -int SLang_push_anytype (SLang_Any_Type *any) -{ - return _SLpush_slang_obj ((SLang_Object_Type *)any); -} - -/* After this call, the stack will contain an Any_Type object */ -static int anytype_push (unsigned char type, VOID_STAR ptr) -{ - SLang_Any_Type *obj; - - /* Push the object onto the stack, then pop it back off into our anytype - * container. That way, any memory managing associated with the type - * will be performed automatically. Another way to think of it is that - * pushing an Any_Type onto the stack will create another copy of the - * object represented by it. - */ - if (-1 == _SLpush_slang_obj (*(SLang_Object_Type **)ptr)) - return -1; - - if (-1 == SLang_pop_anytype (&obj)) - return -1; - - /* There is no need to reference count the anytype objects since every - * push results in a new anytype container. - */ - if (-1 == SLclass_push_ptr_obj (type, (VOID_STAR) obj)) - { - SLang_free_anytype (obj); - return -1; - } - - return 0; -} - -static void anytype_destroy (unsigned char type, VOID_STAR ptr) -{ - SLang_Object_Type *obj; - - (void) type; - obj = *(SLang_Object_Type **)ptr; - SLang_free_object (obj); - SLfree ((char *) obj); -} - -void SLang_free_anytype (SLang_Any_Type *any) -{ - if (any != NULL) - anytype_destroy (SLANG_ANY_TYPE, (VOID_STAR) &any); -} - -static int anytype_dereference (unsigned char unused, VOID_STAR ptr) -{ - (void) unused; - return _SLpush_slang_obj (*(SLang_Object_Type **) ptr); -} - -/* SLANG_INTP_TYPE */ -static int intp_push (unsigned char unused, VOID_STAR ptr) -{ - (void) unused; - return SLclass_push_int_obj (SLANG_INT_TYPE, **(int **)ptr); -} - -static int intp_pop (unsigned char unused, VOID_STAR ptr) -{ - (void) unused; - return SLang_pop_integer (*(int **) ptr); -} - -static int undefined_push (unsigned char t, VOID_STAR p) -{ - (void) t; (void) p; - if (SLang_Error == 0) - SLang_Error = SL_VARIABLE_UNINITIALIZED; - return -1; -} - -int _SLregister_types (void) -{ - SLang_Class_Type *cl; - - /* A good compiler should optimize this code away. */ - if ((sizeof(short) != SIZEOF_SHORT) - || (sizeof(int) != SIZEOF_INT) - || (sizeof(long) != SIZEOF_LONG) - || (sizeof(float) != SIZEOF_FLOAT) - || (sizeof(double) != SIZEOF_DOUBLE)) - SLang_exit_error ("S-Lang Library not built properly. Fix SIZEOF_* in config.h and recompile"); - - if (-1 == _SLclass_init ()) - return -1; - - /* Undefined Type */ - if (NULL == (cl = SLclass_allocate_class ("Undefined_Type"))) - return -1; - (void) SLclass_set_push_function (cl, undefined_push); - (void) SLclass_set_pop_function (cl, undefined_push); - if (-1 == SLclass_register_class (cl, SLANG_UNDEFINED_TYPE, sizeof (int), - SLANG_CLASS_TYPE_SCALAR)) - return -1; - /* Make Void_Type a synonym for Undefined_Type. Note that this does - * not mean that Void_Type represents SLANG_VOID_TYPE. Void_Type is - * used by array_map to indicate no array is to be created. - */ - if (-1 == SLclass_create_synonym ("Void_Type", SLANG_UNDEFINED_TYPE)) - return -1; - - if (-1 == _SLarith_register_types ()) - return -1; - - /* SLANG_INTP_TYPE */ - if (NULL == (cl = SLclass_allocate_class ("_IntegerP_Type"))) - return -1; - (void) SLclass_set_push_function (cl, intp_push); - (void) SLclass_set_pop_function (cl, intp_pop); - if (-1 == SLclass_register_class (cl, SLANG_INTP_TYPE, sizeof (int), - SLANG_CLASS_TYPE_SCALAR)) - return -1; - - /* String Type */ - - if (NULL == (cl = SLclass_allocate_class ("String_Type"))) - return -1; - (void) SLclass_set_destroy_function (cl, string_destroy); - (void) SLclass_set_push_function (cl, string_push); - cl->cl_foreach_open = string_foreach_open; - cl->cl_foreach_close = string_foreach_close; - cl->cl_foreach = string_foreach; - cl->cl_cmp = string_cmp; - if (-1 == SLclass_register_class (cl, SLANG_STRING_TYPE, sizeof (char *), - SLANG_CLASS_TYPE_PTR)) - return -1; - - /* ref Type */ - if (NULL == (cl = SLclass_allocate_class ("Ref_Type"))) - return -1; - cl->cl_dereference = ref_dereference; - cl->cl_push = ref_push; - cl->cl_destroy = ref_destroy; - cl->cl_string = ref_string; - cl->cl_cmp = ref_cmp; - if (-1 == SLclass_register_class (cl, SLANG_REF_TYPE, - sizeof (SLang_Ref_Type *), - SLANG_CLASS_TYPE_PTR)) - return -1; - - /* NULL Type */ - - if (NULL == (cl = SLclass_allocate_class ("Null_Type"))) - return -1; - cl->cl_push = null_push; - cl->cl_pop = null_pop; - cl->cl_foreach_open = null_foreach_open; - cl->cl_foreach_close = null_foreach_close; - cl->cl_foreach = null_foreach; - cl->cl_to_bool = null_to_bool; - if (-1 == SLclass_register_class (cl, SLANG_NULL_TYPE, sizeof (char *), - SLANG_CLASS_TYPE_SCALAR)) - return -1; - - /* AnyType */ - if (NULL == (cl = SLclass_allocate_class ("Any_Type"))) - return -1; - (void) SLclass_set_push_function (cl, anytype_push); - (void) SLclass_set_destroy_function (cl, anytype_destroy); - cl->cl_dereference = anytype_dereference; - if (-1 == SLclass_register_class (cl, SLANG_ANY_TYPE, sizeof (VOID_STAR), - SLANG_CLASS_TYPE_PTR)) - return -1; - - if (-1 == _SLang_init_bstring ()) - return -1; - - if ((-1 == SLclass_add_typecast (SLANG_STRING_TYPE, SLANG_INT_TYPE, string_to_int, 0)) - || (-1 == SLclass_add_binary_op (SLANG_STRING_TYPE, SLANG_STRING_TYPE, string_string_bin_op, string_string_bin_op_result))) - return -1; - - return 0; -} - diff --git a/mdk-stage1/slang/slutty.c b/mdk-stage1/slang/slutty.c deleted file mode 100644 index 636c1bb90..000000000 --- a/mdk-stage1/slang/slutty.c +++ /dev/null @@ -1,596 +0,0 @@ -/* slutty.c --- Unix Low level terminal (tty) functions for S-Lang */ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -#include "slinclud.h" - -#include <signal.h> -/* sequent support thanks to Kenneth Lorber <keni@oasys.dt.navy.mil> */ -/* SYSV (SYSV ISC R3.2 v3.0) provided by iain.lea@erlm.siemens.de */ - -#if defined (_AIX) && !defined (_ALL_SOURCE) -# define _ALL_SOURCE /* so NBBY is defined in <sys/types.h> */ -#endif - -#include <sys/time.h> -#include <sys/types.h> - -#ifdef SYSV -# include <fcntl.h> -# ifndef CRAY -# include <sys/termio.h> -# include <sys/stream.h> -# include <sys/ptem.h> -# include <sys/tty.h> -# endif -#endif - -#ifdef __BEOS__ -/* Prototype for select */ -# include <net/socket.h> -#endif - -#include <sys/file.h> - -#ifndef sun -# include <sys/ioctl.h> -#endif - -#ifdef __QNX__ -# include <sys/select.h> -#endif - -#include <sys/stat.h> -#include <errno.h> - -#if defined (_AIX) && !defined (FD_SET) -# include <sys/select.h> /* for FD_ISSET, FD_SET, FD_ZERO */ -#endif - -#ifndef O_RDWR -# include <fcntl.h> -#endif - -#include "slang.h" -#include "_slang.h" - -int SLang_TT_Read_FD = -1; -int SLang_TT_Baud_Rate; - -#ifdef HAVE_TERMIOS_H -# if !defined(HAVE_TCGETATTR) || !defined(HAVE_TCSETATTR) -# undef HAVE_TERMIOS_H -# endif -#endif - -#ifndef HAVE_TERMIOS_H - -# if !defined(CBREAK) && defined(sun) -# ifndef BSD_COMP -# define BSD_COMP 1 -# endif -# include <sys/ioctl.h> -# endif - -typedef struct - { - struct tchars t; - struct ltchars lt; - struct sgttyb s; - } -TTY_Termio_Type; -#else -# include <termios.h> -typedef struct termios TTY_Termio_Type; -#endif - -static TTY_Termio_Type Old_TTY; - -#ifdef HAVE_TERMIOS_H -typedef struct -{ - unsigned int key; - unsigned int value; -} Baud_Rate_Type; - -static Baud_Rate_Type Baud_Rates [] = -{ -#ifdef B0 - {B0, 0}, -#endif -#ifdef B50 - {B50, 50}, -#endif -#ifdef B75 - {B75, 75}, -#endif -#ifdef B110 - {B110, 110}, -#endif -#ifdef B134 - {B134, 134}, -#endif -#ifdef B150 - {B150, 150}, -#endif -#ifdef B200 - {B200, 200}, -#endif -#ifdef B300 - {B300, 300}, -#endif -#ifdef B600 - {B600, 600}, -#endif -#ifdef B1200 - {B1200, 1200}, -#endif -#ifdef B1800 - {B1800, 1800}, -#endif -#ifdef B2400 - {B2400, 2400}, -#endif -#ifdef B4800 - {B4800, 4800}, -#endif -#ifdef B9600 - {B9600, 9600}, -#endif -#ifdef B19200 - {B19200, 19200}, -#endif -#ifdef B38400 - {B38400, 38400}, -#endif -#ifdef B57600 - {B57600, 57600}, -#endif -#ifdef B115200 - {B115200, 115200}, -#endif -#ifdef B230400 - {B230400, 230400}, -#endif - {0, 0} -}; - -static void -set_baud_rate (TTY_Termio_Type *tty) -{ -#ifdef HAVE_CFGETOSPEED - unsigned int speed; - Baud_Rate_Type *b, *bmax; - - if (SLang_TT_Baud_Rate) - return; /* already set */ - - speed = (unsigned int) cfgetospeed (tty); - - b = Baud_Rates; - bmax = b + (sizeof (Baud_Rates)/sizeof(Baud_Rates[0])); - while (b < bmax) - { - if (b->key == speed) - { - SLang_TT_Baud_Rate = b->value; - return; - } - b++; - } -#else - (void) tty; -#endif -} - -#endif /* HAVE_TERMIOS_H */ - -#ifdef HAVE_TERMIOS_H -# define GET_TERMIOS(fd, x) tcgetattr(fd, x) -# define SET_TERMIOS(fd, x) tcsetattr(fd, TCSADRAIN, x) -#else -# ifdef TCGETS -# define GET_TERMIOS(fd, x) ioctl(fd, TCGETS, x) -# define SET_TERMIOS(fd, x) ioctl(fd, TCSETS, x) -# else -# define X(x,m) &(((TTY_Termio_Type *)(x))->m) -# define GET_TERMIOS(fd, x) \ - ((ioctl(fd, TIOCGETC, X(x,t)) || \ - ioctl(fd, TIOCGLTC, X(x,lt)) || \ - ioctl(fd, TIOCGETP, X(x,s))) ? -1 : 0) -# define SET_TERMIOS(fd, x) \ - ((ioctl(fd, TIOCSETC, X(x,t)) ||\ - ioctl(fd, TIOCSLTC, X(x,lt)) || \ - ioctl(fd, TIOCSETP, X(x,s))) ? -1 : 0) -# endif -#endif - -static int TTY_Inited = 0; -static int TTY_Open = 0; - -#ifdef ultrix /* Ultrix gets _POSIX_VDISABLE wrong! */ -# define NULL_VALUE -1 -#else -# ifdef _POSIX_VDISABLE -# define NULL_VALUE _POSIX_VDISABLE -# else -# define NULL_VALUE 255 -# endif -#endif - -int SLang_init_tty (int abort_char, int no_flow_control, int opost) -{ - TTY_Termio_Type newtty; - - SLsig_block_signals (); - - if (TTY_Inited) - { - SLsig_unblock_signals (); - return 0; - } - - TTY_Open = 0; - - if ((SLang_TT_Read_FD == -1) - || (1 != isatty (SLang_TT_Read_FD))) - { -#ifdef O_RDWR -# ifndef __BEOS__ /* I have been told that BEOS will HANG if passed /dev/tty */ - if ((SLang_TT_Read_FD = open("/dev/tty", O_RDWR)) >= 0) - { - TTY_Open = 1; - } -# endif -#endif - if (TTY_Open == 0) - { - SLang_TT_Read_FD = fileno (stderr); - if (1 != isatty (SLang_TT_Read_FD)) - { - SLang_TT_Read_FD = fileno (stdin); - if (1 != isatty (SLang_TT_Read_FD)) - { - fprintf (stderr, "Failed to open terminal."); - return -1; - } - } - } - } - - SLang_Abort_Char = abort_char; - - /* Some systems may not permit signals to be blocked. As a result, the - * return code must be checked. - */ - while (-1 == GET_TERMIOS(SLang_TT_Read_FD, &Old_TTY)) - { - if (errno != EINTR) - { - SLsig_unblock_signals (); - return -1; - } - } - - while (-1 == GET_TERMIOS(SLang_TT_Read_FD, &newtty)) - { - if (errno != EINTR) - { - SLsig_unblock_signals (); - return -1; - } - } - -#ifndef HAVE_TERMIOS_H - newtty.s.sg_flags &= ~(ECHO); - newtty.s.sg_flags &= ~(CRMOD); - /* if (Flow_Control == 0) newtty.s.sg_flags &= ~IXON; */ - newtty.t.t_eofc = 1; - if (abort_char == -1) SLang_Abort_Char = newtty.t.t_intrc; - newtty.t.t_intrc = SLang_Abort_Char; /* ^G */ - newtty.t.t_quitc = 255; - newtty.lt.t_suspc = 255; /* to ignore ^Z */ - newtty.lt.t_dsuspc = 255; /* to ignore ^Y */ - newtty.lt.t_lnextc = 255; - newtty.s.sg_flags |= CBREAK; /* do I want cbreak or raw????? */ -#else - - /* get baud rate */ - - newtty.c_iflag &= ~(ECHO | INLCR | ICRNL); -#ifdef ISTRIP - /* newtty.c_iflag &= ~ISTRIP; */ -#endif - if (opost == 0) newtty.c_oflag &= ~OPOST; - - set_baud_rate (&newtty); - - if (no_flow_control) newtty.c_iflag &= ~IXON; else newtty.c_iflag |= IXON; - - newtty.c_cc[VEOF] = 1; - newtty.c_cc[VMIN] = 1; - newtty.c_cc[VTIME] = 0; - newtty.c_lflag = ISIG | NOFLSH; - if (abort_char == -1) SLang_Abort_Char = newtty.c_cc[VINTR]; - newtty.c_cc[VINTR] = SLang_Abort_Char; /* ^G */ - newtty.c_cc[VQUIT] = NULL_VALUE; - newtty.c_cc[VSUSP] = NULL_VALUE; /* to ignore ^Z */ -#ifdef VDSUSP - newtty.c_cc[VDSUSP] = NULL_VALUE; /* to ignore ^Y */ -#endif -#ifdef VLNEXT - newtty.c_cc[VLNEXT] = NULL_VALUE; /* to ignore ^V ? */ -#endif -#ifdef VSWTCH - newtty.c_cc[VSWTCH] = NULL_VALUE; /* to ignore who knows what */ -#endif -#endif /* NOT HAVE_TERMIOS_H */ - - while (-1 == SET_TERMIOS(SLang_TT_Read_FD, &newtty)) - { - if (errno != EINTR) - { - SLsig_unblock_signals (); - return -1; - } - } - - TTY_Inited = 1; - SLsig_unblock_signals (); - return 0; -} - -void SLtty_set_suspend_state (int mode) -{ - TTY_Termio_Type newtty; - - SLsig_block_signals (); - - if (TTY_Inited == 0) - { - SLsig_unblock_signals (); - return; - } - - while ((-1 == GET_TERMIOS (SLang_TT_Read_FD, &newtty)) - && (errno == EINTR)) - ; - -#ifndef HAVE_TERMIOS_H - /* I do not know if all systems define the t_dsuspc field */ - if (mode == 0) - { - newtty.lt.t_suspc = 255; - newtty.lt.t_dsuspc = 255; - } - else - { - newtty.lt.t_suspc = Old_TTY.lt.t_suspc; - newtty.lt.t_dsuspc = Old_TTY.lt.t_dsuspc; - } -#else - if (mode == 0) - { - newtty.c_cc[VSUSP] = NULL_VALUE; -#ifdef VDSUSP - newtty.c_cc[VDSUSP] = NULL_VALUE; -#endif - } - else - { - newtty.c_cc[VSUSP] = Old_TTY.c_cc[VSUSP]; -#ifdef VDSUSP - newtty.c_cc[VDSUSP] = Old_TTY.c_cc[VDSUSP]; -#endif - } -#endif - - while ((-1 == SET_TERMIOS (SLang_TT_Read_FD, &newtty)) - && (errno == EINTR)) - ; - - SLsig_unblock_signals (); -} - -void SLang_reset_tty (void) -{ - SLsig_block_signals (); - - if (TTY_Inited == 0) - { - SLsig_unblock_signals (); - return; - } - - while ((-1 == SET_TERMIOS(SLang_TT_Read_FD, &Old_TTY)) - && (errno == EINTR)) - ; - - if (TTY_Open) - { - while ((-1 == close (SLang_TT_Read_FD)) - && (errno == EINTR)) - ; - - TTY_Open = 0; - SLang_TT_Read_FD = -1; - } - - TTY_Inited = 0; - SLsig_unblock_signals (); -} - -static void default_sigint (int sig) -{ - sig = errno; /* use parameter */ - - SLKeyBoard_Quit = 1; - if (SLang_Ignore_User_Abort == 0) SLang_Error = SL_USER_BREAK; - SLsignal_intr (SIGINT, default_sigint); - errno = sig; -} - -int SLang_set_abort_signal (void (*hand)(int)) -{ - int save_errno = errno; - SLSig_Fun_Type *f; - - if (hand == NULL) hand = default_sigint; - f = SLsignal_intr (SIGINT, hand); - - errno = save_errno; - - if (f == (SLSig_Fun_Type *) SIG_ERR) - return -1; - - return 0; -} - -#ifndef FD_SET -#define FD_SET(fd, tthis) *(tthis) = 1 << (fd) -#define FD_ZERO(tthis) *(tthis) = 0 -#define FD_ISSET(fd, tthis) (*(tthis) & (1 << fd)) -typedef int fd_set; -#endif - -static fd_set Read_FD_Set; - -/* HACK: If > 0, use 1/10 seconds. If < 0, use 1/1000 seconds */ - -int _SLsys_input_pending(int tsecs) -{ - struct timeval wait; - long usecs, secs; - - if (TTY_Inited == 0) return -1; - - if (tsecs >= 0) - { - secs = tsecs / 10; - usecs = (tsecs % 10) * 100000; - } - else - { - tsecs = -tsecs; - secs = tsecs / 1000; - usecs = (tsecs % 1000) * 1000; - } - - wait.tv_sec = secs; - wait.tv_usec = usecs; - - FD_ZERO(&Read_FD_Set); - FD_SET(SLang_TT_Read_FD, &Read_FD_Set); - - return select(SLang_TT_Read_FD + 1, &Read_FD_Set, NULL, NULL, &wait); -} - -int (*SLang_getkey_intr_hook) (void); - -static int handle_interrupt (void) -{ - if (SLang_getkey_intr_hook != NULL) - { - int save_tty_fd = SLang_TT_Read_FD; - - if (-1 == (*SLang_getkey_intr_hook) ()) - return -1; - - if (save_tty_fd != SLang_TT_Read_FD) - return -1; - } - - return 0; -} - -unsigned int _SLsys_getkey (void) -{ - unsigned char c; - - if (TTY_Inited == 0) - { - int ic = fgetc (stdin); - if (ic == EOF) return SLANG_GETKEY_ERROR; - return (unsigned int) ic; - } - - while (1) - { - int ret; - - if (SLKeyBoard_Quit) - return SLang_Abort_Char; - - if (0 == (ret = _SLsys_input_pending (100))) - continue; - - if (ret != -1) - break; - - if (SLKeyBoard_Quit) - return SLang_Abort_Char; - - if (errno == EINTR) - { - if (-1 == handle_interrupt ()) - return SLANG_GETKEY_ERROR; - - continue; - } - - break; /* let read handle it */ - } - - while (1) - { - int status = read(SLang_TT_Read_FD, (char *) &c, 1); - - if (status > 0) - break; - - if (status == 0) - { - /* We are at the end of a file. Let application handle it. */ - return SLANG_GETKEY_ERROR; - } - - if (errno == EINTR) - { - if (-1 == handle_interrupt ()) - return SLANG_GETKEY_ERROR; - - if (SLKeyBoard_Quit) - return SLang_Abort_Char; - - continue; - } -#ifdef EAGAIN - if (errno == EAGAIN) - { - sleep (1); - continue; - } -#endif -#ifdef EWOULDBLOCK - if (errno == EWOULDBLOCK) - { - sleep (1); - continue; - } -#endif -#ifdef EIO - if (errno == EIO) - { - SLang_exit_error ("_SLsys_getkey: EIO error."); - } -#endif - return SLANG_GETKEY_ERROR; - } - - return((unsigned int) c); -} - diff --git a/mdk-stage1/slang/slxstrng.c b/mdk-stage1/slang/slxstrng.c deleted file mode 100644 index 3f8a4dffa..000000000 --- a/mdk-stage1/slang/slxstrng.c +++ /dev/null @@ -1,43 +0,0 @@ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ - -/* These routines are simple and inefficient. They were designed to work on - * SunOS when using Electric Fence. - */ - -#include "slang.h" -#include "_slang.h" -char *SLstrcpy(register char *aa, register char *b) -{ - char *a = aa; - while ((*a++ = *b++) != 0); - return aa; -} - -int SLstrcmp(register char *a, register char *b) -{ - while (*a && (*a == *b)) - { - a++; - b++; - } - if (*a) return((unsigned char) *a - (unsigned char) *b); - else if (*b) return ((unsigned char) *a - (unsigned char) *b); - else return 0; -} - -char *SLstrncpy(char *a, register char *b,register int n) -{ - register char *aa = a; - while ((n > 0) && *b) - { - *aa++ = *b++; - n--; - } - while (n-- > 0) *aa++ = 0; - return (a); -} |