From 0dba959cedf1129579809c769929713e3ad93099 Mon Sep 17 00:00:00 2001 From: Mystery Man Date: Mon, 17 Feb 2003 13:58:09 +0000 Subject: This commit was manufactured by cvs2svn to create tag 'V9_1_0_34mdk'. --- mdk-stage1/slang/sltypes.c | 966 --------------------------------------------- 1 file changed, 966 deletions(-) delete mode 100644 mdk-stage1/slang/sltypes.c (limited to 'mdk-stage1/slang/sltypes.c') 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 -#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; -} - -- cgit v1.2.1