Implement RegExp.prototype.compile()

JerryScript-DCO-1.0-Signed-off-by: Dániel Bátyai dbatyai.u-szeged@partner.samsung.com
This commit is contained in:
Dániel Bátyai
2015-08-17 15:16:44 +02:00
parent 63d3e02b59
commit 13941df8dd
8 changed files with 341 additions and 58 deletions
+102 -52
View File
@@ -62,7 +62,7 @@
* @return completion value
* Returned value must be freed with ecma_free_completion_value
*/
static ecma_completion_value_t
ecma_completion_value_t
re_parse_regexp_flags (ecma_string_t *flags_str_p, /**< Input string with flags */
uint8_t *flags_p) /**< Output: parsed flag bits */
{
@@ -119,6 +119,101 @@ re_parse_regexp_flags (ecma_string_t *flags_str_p, /**< Input string with flags
return ret_value;
} /* re_parse_regexp_flags */
/*
* Initializes the source, global, ignoreCase, multiline, and lastIndex properties of RegExp instance.
*/
void
re_initialize_props (ecma_object_t *re_obj_p, /**< RegExp obejct */
ecma_string_t *source_p, /**< source string */
uint8_t flags) /**< flags */
{
/* Set source property. ECMA-262 v5, 15.10.7.1 */
ecma_string_t *magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_SOURCE);
ecma_property_t *prop_p = ecma_find_named_property (re_obj_p, magic_string_p);
if (prop_p == NULL)
{
prop_p = ecma_create_named_data_property (re_obj_p,
magic_string_p,
false, false, false);
}
ecma_deref_ecma_string (magic_string_p);
JERRY_ASSERT (prop_p->type == ECMA_PROPERTY_NAMEDDATA);
ecma_named_data_property_assign_value (re_obj_p,
prop_p,
ecma_make_string_value (source_p));
ecma_simple_value_t prop_value;
/* Set global property. ECMA-262 v5, 15.10.7.2 */
magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_GLOBAL);
prop_p = ecma_find_named_property (re_obj_p, magic_string_p);
if (prop_p == NULL)
{
prop_p = ecma_create_named_data_property (re_obj_p,
magic_string_p,
false, false, false);
}
ecma_deref_ecma_string (magic_string_p);
prop_value = flags & RE_FLAG_GLOBAL ? ECMA_SIMPLE_VALUE_TRUE : ECMA_SIMPLE_VALUE_FALSE;
JERRY_ASSERT (prop_p->type == ECMA_PROPERTY_NAMEDDATA);
ecma_set_named_data_property_value (prop_p, ecma_make_simple_value (prop_value));
/* Set ignoreCase property. ECMA-262 v5, 15.10.7.3 */
magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_IGNORECASE_UL);
prop_p = ecma_find_named_property (re_obj_p, magic_string_p);
if (prop_p == NULL)
{
prop_p = ecma_create_named_data_property (re_obj_p,
magic_string_p,
false, false, false);
}
ecma_deref_ecma_string (magic_string_p);
prop_value = flags & RE_FLAG_IGNORE_CASE ? ECMA_SIMPLE_VALUE_TRUE : ECMA_SIMPLE_VALUE_FALSE;
JERRY_ASSERT (prop_p->type == ECMA_PROPERTY_NAMEDDATA);
ecma_set_named_data_property_value (prop_p, ecma_make_simple_value (prop_value));
/* Set multiline property. ECMA-262 v5, 15.10.7.4 */
magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_MULTILINE);
prop_p = ecma_find_named_property (re_obj_p, magic_string_p);
if (prop_p == NULL)
{
prop_p = ecma_create_named_data_property (re_obj_p,
magic_string_p,
false, false, false);
}
ecma_deref_ecma_string (magic_string_p);
prop_value = flags & RE_FLAG_MULTILINE ? ECMA_SIMPLE_VALUE_TRUE : ECMA_SIMPLE_VALUE_FALSE;
JERRY_ASSERT (prop_p->type == ECMA_PROPERTY_NAMEDDATA);
ecma_set_named_data_property_value (prop_p, ecma_make_simple_value (prop_value));
/* Set lastIndex property. ECMA-262 v5, 15.10.7.5 */
magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_LASTINDEX_UL);
prop_p = ecma_find_named_property (re_obj_p, magic_string_p);
if (prop_p == NULL)
{
prop_p = ecma_create_named_data_property (re_obj_p,
magic_string_p,
true, false, false);
}
ecma_deref_ecma_string (magic_string_p);
ecma_number_t *lastindex_num_p = ecma_alloc_number ();
*lastindex_num_p = ECMA_NUMBER_ZERO;
JERRY_ASSERT (prop_p->type == ECMA_PROPERTY_NAMEDDATA);
ecma_named_data_property_assign_value (re_obj_p, prop_p, ecma_make_number_value (lastindex_num_p));
ecma_dealloc_number (lastindex_num_p);
} /* re_initialize_props */
/**
* RegExp object creation operation.
*
@@ -155,64 +250,19 @@ ecma_op_create_regexp_object (ecma_string_t *pattern_p, /**< input pattern */
ecma_property_t *class_prop_p = ecma_create_internal_property (obj_p, ECMA_INTERNAL_PROPERTY_CLASS);
class_prop_p->u.internal_property.value = LIT_MAGIC_STRING_REGEXP_UL;
/* Set source property. ECMA-262 v5, 15.10.7.1 */
ecma_string_t *magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_SOURCE);
ecma_property_t *source_prop_p = ecma_create_named_data_property (obj_p,
magic_string_p,
false, false, false);
ecma_deref_ecma_string (magic_string_p);
ecma_set_named_data_property_value (source_prop_p,
ecma_make_string_value (ecma_copy_or_ref_ecma_string (pattern_p)));
ecma_simple_value_t prop_value;
/* Set global property. ECMA-262 v5, 15.10.7.2*/
magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_GLOBAL);
ecma_property_t *global_prop_p = ecma_create_named_data_property (obj_p,
magic_string_p,
false, false, false);
ecma_deref_ecma_string (magic_string_p);
prop_value = flags & RE_FLAG_GLOBAL ? ECMA_SIMPLE_VALUE_TRUE : ECMA_SIMPLE_VALUE_FALSE;
ecma_set_named_data_property_value (global_prop_p, ecma_make_simple_value (prop_value));
/* Set ignoreCase property. ECMA-262 v5, 15.10.7.3*/
magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_IGNORECASE_UL);
ecma_property_t *ignorecase_prop_p = ecma_create_named_data_property (obj_p,
magic_string_p,
false, false, false);
ecma_deref_ecma_string (magic_string_p);
prop_value = flags & RE_FLAG_IGNORE_CASE ? ECMA_SIMPLE_VALUE_TRUE : ECMA_SIMPLE_VALUE_FALSE;
ecma_set_named_data_property_value (ignorecase_prop_p, ecma_make_simple_value (prop_value));
/* Set multiline property. ECMA-262 v5, 15.10.7.4*/
magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_MULTILINE);
ecma_property_t *multiline_prop_p = ecma_create_named_data_property (obj_p,
magic_string_p,
false, false, false);
ecma_deref_ecma_string (magic_string_p);
prop_value = flags & RE_FLAG_MULTILINE ? ECMA_SIMPLE_VALUE_TRUE : ECMA_SIMPLE_VALUE_FALSE;
ecma_set_named_data_property_value (multiline_prop_p, ecma_make_simple_value (prop_value));
/* Set lastIndex property. ECMA-262 v5, 15.10.7.5*/
magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_LASTINDEX_UL);
ecma_property_t *lastindex_prop_p = ecma_create_named_data_property (obj_p,
magic_string_p,
true, false, false);
ecma_deref_ecma_string (magic_string_p);
ecma_number_t *lastindex_num_p = ecma_alloc_number ();
*lastindex_num_p = ECMA_NUMBER_ZERO;
ecma_named_data_property_assign_value (obj_p, lastindex_prop_p, ecma_make_number_value (lastindex_num_p));
ecma_dealloc_number (lastindex_num_p);
re_initialize_props (obj_p, pattern_p, flags);
/* Set bytecode internal property. */
ecma_property_t *bytecode_prop_p;
bytecode_prop_p = ecma_create_internal_property (obj_p, ECMA_INTERNAL_PROPERTY_REGEXP_BYTECODE);
/* Compile bytecode. */
ECMA_TRY_CATCH (empty, re_compile_bytecode (bytecode_prop_p, pattern_p, flags), ret_value);
re_bytecode_t *bc_p = NULL;
ECMA_TRY_CATCH (empty, re_compile_bytecode (&bc_p, pattern_p, flags), ret_value);
ECMA_SET_POINTER (bytecode_prop_p->u.internal_property.value, bc_p);
ret_value = ecma_make_normal_completion_value (ecma_make_object_value (obj_p));
ECMA_FINALIZE (empty);
if (ecma_is_completion_value_throw (ret_value))