_INLINE_
static _pSLAssoc_Array_Element_Type *
assoc_aput (SLang_Assoc_Array_Type *a, _pSLAssoc_Array_Element_Type *e,
SLstr_Type *str, unsigned long hash)
{
SLang_Object_Type obj;
if (-1 == SLang_pop (&obj))
return NULL;
if ((obj.o_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, 0))
|| (-1 == SLang_pop (&obj)))
return NULL;
}
if (NULL == (e = store_object (a, e, str, hash, &obj)))
SLang_free_object (&obj);
return e;
}
/* Double */
static int double_push (SLtype type, VOID_STAR ptr)
{
#if SLANG_OPTIMIZE_FOR_SPEED
SLang_Object_Type obj;
obj.o_data_type = type;
obj.v.double_val = *(double *)ptr;
return SLang_push (&obj);
#else
return SLclass_push_double_obj (type, *(double *) ptr);
#endif
}
static int cl_foreach (SLtype type, SLang_Foreach_Context_Type *c)
{
SLang_Assoc_Array_Type *a;
_pSLAssoc_Array_Element_Type *e, *emax;
(void) type;
if (c == NULL)
return -1;
a = c->a;
e = a->elements + c->next_hash_index;
emax = a->elements + a->table_len;
while (1)
{
if (e == emax)
return 0;
if ((e->key != NULL) && (e->key != Deleted_Key))
break;
e++;
}
c->next_hash_index = (e - a->elements) + 1;
if ((c->flags & CTX_WRITE_KEYS)
&& (-1 == SLang_push_string (e->key)))
return -1;
if (c->flags & CTX_WRITE_VALUES)
{
#if SLANG_OPTIMIZE_FOR_SPEED
if (c->is_scalar)
{
if (-1 == SLang_push (&e->value))
return -1;
}
else
#endif
if (-1 == _pSLpush_slang_obj (&e->value))
return -1;
}
/* keep going */
return 1;
}
static int integer_push (SLtype type, VOID_STAR ptr)
{
SLang_Object_Type obj;
int i;
void (*f)(VOID_STAR, VOID_STAR, unsigned int);
i = TYPE_TO_TABLE_INDEX(type);
f = (void (*)(VOID_STAR, VOID_STAR, unsigned int))
Binary_Matrix[i][i].copy_function;
obj.o_data_type = type;
(*f) ((VOID_STAR)&obj.v, ptr, 1);
return SLang_push (&obj);
}
int _pSLassoc_aget (SLtype type, unsigned int num_indices)
{
unsigned long hash;
SLang_MMT_Type *mmt;
SLstr_Type *str;
_pSLAssoc_Array_Element_Type *e;
SLang_Assoc_Array_Type *a;
SLang_Object_Type *obj;
int ret;
(void) type;
if (-1 == pop_index (num_indices, &mmt, &a, &str, &hash))
return -1;
e = find_element (a, str, hash);
if (e == NULL)
{
if (a->flags & HAS_DEFAULT_VALUE)
obj = &a->default_value;
else
{
ret = -1;
_pSLang_verror (SL_INTRINSIC_ERROR,
"No such element in Assoc Array: %s", str);
goto free_and_return;
}
}
else obj = &e->value;
#if SLANG_OPTIMIZE_FOR_SPEED
if (a->is_scalar_type)
ret = SLang_push (obj);
else
#endif
ret = _pSLpush_slang_obj (obj);
free_and_return:
_pSLang_free_slstring (str);
SLang_free_mmt (mmt);
return ret;
}
/* FIXME: This function does not handle LONG_LONG */
int _pSLang_sscanf (void)
{
int num;
unsigned int num_refs;
char *format;
char *input_string, *input_string_max;
SLFUTURE_CONST char *f, *s;
unsigned char map8[256], map10[256], map16[256];
if (SLang_Num_Function_Args < 2)
{
_pSLang_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;
SLFUTURE_CONST 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
_pSLang_verror (SL_INVALID_PARM, "sscanf: format not big enough for output list");
goto return_error;
#endif
}
if (isspace (chf))
{
char *s1 = _pSLskip_whitespace (s);
if (s1 == s)
break;
s = s1;
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 = _pSLskip_whitespace (s);
if (*s == 0)
break;
}
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:
_pSLang_verror (SL_INVALID_PARM, "sscanf: Unexpected end of format");
goto return_error;
case 'D':
is_long = 1;
case 'd':
if (is_short)
{
obj.o_data_type = SLANG_SHORT_TYPE;
status = parse_short (&s, smax, &obj.v.short_val, base, map);
}
else if (is_long)
{
obj.o_data_type = SLANG_LONG_TYPE;
status = parse_long (&s, smax, &obj.v.long_val, base, map);
}
else
{
obj.o_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.o_data_type = SLANG_USHORT_TYPE;
status = parse_ushort (&s, smax, &obj.v.ushort_val, base, map);
}
else if (is_long)
{
obj.o_data_type = SLANG_ULONG_TYPE;
status = parse_ulong (&s, smax, &obj.v.ulong_val, base, map);
}
else
{
obj.o_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.o_data_type = SLANG_DOUBLE_TYPE;
status = parse_double (&s, smax, &obj.v.double_val);
}
else
{
obj.o_data_type = SLANG_FLOAT_TYPE;
status = parse_float (&s, smax, &obj.v.float_val);
}
#else
_pSLang_verror (SL_NOT_IMPLEMENTED,
"This version of the S-Lang does not support floating point");
status = -1;
#endif
break;
case 's':
obj.o_data_type = SLANG_STRING_TYPE;
status = parse_string (&s, smax, &obj.v.s_val);
break;
case 'c':
if (has_width == 0)
{
obj.o_data_type = SLANG_UCHAR_TYPE;
obj.v.uchar_val = *s++;
status = 1;
break;
}
obj.o_data_type = SLANG_STRING_TYPE;
status = parse_bstring (&s, smax, &obj.v.s_val);
break;
case '[':
obj.o_data_type = SLANG_STRING_TYPE;
status = parse_range (&s, smax, &f, &obj.v.s_val);
break;
case 'n':
obj.o_data_type = SLANG_UINT_TYPE;
obj.v.uint_val = (unsigned int) (s - input_string);
status = 1;
break;
default:
status = -1;
_pSLang_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 == _pSLang_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;
}
int
SLclass_typecast (SLtype to_type, int is_implicit, int allow_array)
{
SLtype 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.o_data_type;
if (from_type == to_type)
return SLang_push (&obj);
cl_from = _pSLclass_get_class (from_type);
cl_to = _pSLclass_get_class (to_type);
/* Check for alias, e.g., int and long */
if (cl_from == cl_to)
{
obj.o_data_type = to_type;
return SLang_push (&obj);
}
/* Since the typecast functions are designed to work on arrays,
* get the pointer to the value instead of just &obj.v.
*/
ap = _pSLclass_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 = _pSLclass_get_class (SLANG_ARRAY_TYPE);
bp = cl_to->cl_transfer_buf;
status = _pSLarray_typecast (from_type, ap, 1, to_type, bp, is_implicit);
}
else
{
int (*t) (SLtype, VOID_STAR, unsigned int, SLtype, VOID_STAR);
if (NULL == (t = _pSLclass_get_typecast (from_type, to_type, is_implicit)))
{
SLang_free_object (&obj);
return -1;
}
bp = cl_to->cl_transfer_buf;
status = (*t) (from_type, ap, 1, to_type, bp);
}
if (1 == status)
{
/* AnyType apush will do a reference, which is undesirable here.
* So, to avoid that, perform push instead of apush. Yes, this is
* an ugly hack.
*/
if (to_type == SLANG_ANY_TYPE)
status = (*cl_to->cl_push)(to_type, bp);
else
status = (*cl_to->cl_apush)(to_type, bp);
if (status == -1)
{
(*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:
_pSLang_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;
}
