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Introduce builtin intrinsic object to share property values between builtin objects (#3490)

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Fixed:
 - Global symbol access
 - Array.prototype.values and Array.prototype[Symbol.iterator] must be the same function object

To test the new functionality arguments object Symbol.iterator property is added.

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2020-01-16 15:57:27 +01:00
committed by GitHub
parent 332e216736
commit 8b41bf306a
26 changed files with 349 additions and 110 deletions
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jerry-core/ecma/operations/ecma-array-object.c
+31 -1
View File
@@ -15,6 +15,7 @@
#include "ecma-alloc.h"
#include "ecma-array-object.h"
#include "ecma-iterator-object.h"
#include "ecma-builtin-helpers.h"
#include "ecma-builtins.h"
#include "ecma-exceptions.h"
@@ -687,7 +688,7 @@ ecma_op_array_species_create (ecma_object_t *original_array_p, /**< The object f
else if (ecma_is_value_object (constructor))
{
ecma_object_t *ctor_object_p = ecma_get_object_from_value (constructor);
constructor = ecma_op_object_get_by_symbol_id (ctor_object_p, LIT_MAGIC_STRING_SPECIES);
constructor = ecma_op_object_get_by_symbol_id (ctor_object_p, LIT_GLOBAL_SYMBOL_SPECIES);
ecma_deref_object (ctor_object_p);
if (ECMA_IS_VALUE_ERROR (constructor))
@@ -729,6 +730,35 @@ ecma_op_array_species_create (ecma_object_t *original_array_p, /**< The object f
ecma_free_value (len_val);
return ret_val;
} /* ecma_op_array_species_create */
/**
* CreateArrayIterator Abstract Operation
*
* See also:
* ECMA-262 v6, 22.1.5.1
*
* Referenced by:
* ECMA-262 v6, 22.1.3.4
* ECMA-262 v6, 22.1.3.13
* ECMA-262 v6, 22.1.3.29
* ECMA-262 v6, 22.1.3.30
*
* Note:
* Returned value must be freed with ecma_free_value.
*
* @return array iterator object
*/
ecma_value_t
ecma_op_create_array_iterator (ecma_object_t *obj_p, /**< array object */
ecma_array_iterator_type_t type) /**< array iterator type */
{
ecma_object_t *prototype_obj_p = ecma_builtin_get (ECMA_BUILTIN_ID_ARRAY_ITERATOR_PROTOTYPE);
return ecma_op_create_iterator_object (ecma_make_object_value (obj_p),
prototype_obj_p,
ECMA_PSEUDO_ARRAY_ITERATOR,
(uint8_t) type);
} /* ecma_op_create_array_iterator */
#endif /* ENABLED (JERRY_ES2015) */
/**