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Diffstat (limited to 'mdk-stage1/slang/slang.h')
| -rw-r--r-- | mdk-stage1/slang/slang.h | 1930 |
1 files changed, 0 insertions, 1930 deletions
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_ */ |