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Update the RegExp constructor to ECMA-262 v6 (#3538)

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The following methods have been implemented:
- RegExpAlloc, based on ECMA-262 v6, 21.2.3.2.1
- RegExpInitialize, based on ECMA-262 v6, 22.2.3.2.2
- RegExpCreate, based on ECMA-262 v6, 21.2.3.2.3

Co-authored-by: Robert Fancsik frobert@inf.u-szeged.hu
JerryScript-DCO-1.0-Signed-off-by: Adam Szilagyi aszilagy@inf.u-szeged.hu
This commit is contained in:
Szilagyi Adam
2020-03-27 10:37:06 +01:00
committed by GitHub
parent 56832d772e
commit d539d30bf9
18 changed files with 618 additions and 358 deletions
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jerry-core/ecma/builtin-objects/ecma-builtins.c
+25 -1
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@@ -501,8 +501,32 @@ ecma_instantiate_builtin (ecma_builtin_id_t obj_builtin_id) /**< built-in id */
JERRY_ASSERT (obj_type == ECMA_OBJECT_TYPE_CLASS);
ecma_extended_object_t *ext_object_p = (ecma_extended_object_t *) obj_p;
#if ENABLED (JERRY_ES2015)
ext_object_p->u.class_prop.class_id = LIT_INTERNAL_MAGIC_STRING_REGEXP_PROTO;
#else /* !ENABLED (JERRY_ES2015) */
ext_object_p->u.class_prop.class_id = LIT_MAGIC_STRING_REGEXP_UL;
ext_object_p->u.class_prop.u.value = ECMA_NULL_POINTER;
#endif /* ENABLED (JERRY_ES2015) */
/* In the ECMA v6 version, we create a dummy bytecode for the RegExp prototype object for backwards compatibility,
* so we can use the existing methods to get the source and flags from the [[OriginalSource]] and [[OriginalFlags]]
* internal properties.
*/
#if ENABLED (JERRY_ES2015)
re_compiled_code_t *bc_p = (re_compiled_code_t *) jmem_heap_alloc_block (ECMA_REGEXP_PROTO_COMPILED_CODE_SIZE);
bc_p->header.status_flags = RE_FLAG_EMPTY;
bc_p->source = ecma_make_magic_string_value (LIT_MAGIC_STRING_EMPTY_NON_CAPTURE_GROUP);
#else /* !ENABLED (JERRY_ES2015) */
const re_compiled_code_t *bc_p = NULL;
ecma_value_t ret_value = re_compile_bytecode (&bc_p,
ecma_get_magic_string (LIT_MAGIC_STRING_EMPTY_NON_CAPTURE_GROUP),
RE_FLAG_EMPTY);
JERRY_ASSERT (ecma_is_value_empty (ret_value));
#endif /* ENABLED (JERRY_ES2015) */
ECMA_SET_INTERNAL_VALUE_POINTER (ext_object_p->u.class_prop.u.value, bc_p);
break;
}
#endif /* ENABLED (JERRY_BUILTIN_REGEXP) */