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Implement the Map/Set iterator operations (#2882)

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JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2019-06-24 11:18:37 +02:00
committed by Dániel Bátyai
parent 6f7dbbce7e
commit 9d4c2315f3
25 changed files with 953 additions and 109 deletions
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jerry-core/ecma/operations/ecma-container-object.c
+253 -40
View File
@@ -24,7 +24,7 @@
#include "ecma-property-hashmap.h"
#include "ecma-objects.h"
#if ENABLED (JERRY_ES2015_BUILTIN_MAP)
#if ENABLED (JERRY_ES2015_BUILTIN_MAP) || ENABLED (JERRY_ES2015_BUILTIN_SET)
/** \addtogroup ecma ECMA
* @{
@@ -59,19 +59,17 @@ ecma_op_container_create_internal_object (void)
ecma_value_t
ecma_op_container_create (const ecma_value_t *arguments_list_p, /**< arguments list */
ecma_length_t arguments_list_len, /**< number of arguments */
bool is_set) /**< true - to perform Set operations
* false - to perform Map operations */
lit_magic_string_id_t lit_id, /**< internal class id */
ecma_builtin_id_t proto_id) /**< prototype builtin id */
{
JERRY_ASSERT (arguments_list_len == 0 || arguments_list_p != NULL);
ecma_object_t *proto_p = ecma_builtin_get (is_set ? ECMA_BUILTIN_ID_SET_PROTOTYPE : ECMA_BUILTIN_ID_MAP_PROTOTYPE);
ecma_object_t *object_p = ecma_create_object (proto_p,
ecma_object_t *object_p = ecma_create_object (ecma_builtin_get (proto_id),
sizeof (ecma_map_object_t),
ECMA_OBJECT_TYPE_CLASS);
ecma_map_object_t *map_obj_p = (ecma_map_object_t *) object_p;
map_obj_p->header.u.class_prop.class_id = is_set ? LIT_MAGIC_STRING_SET_UL : LIT_MAGIC_STRING_MAP_UL;
map_obj_p->header.u.class_prop.class_id = lit_id;
map_obj_p->header.u.class_prop.u.value = ecma_op_container_create_internal_object ();
map_obj_p->size = 0;
@@ -125,9 +123,9 @@ ecma_op_container_create (const ecma_value_t *arguments_list_p, /**< arguments l
}
ecma_value_t result;
if (is_set)
if (lit_id == LIT_MAGIC_STRING_SET_UL)
{
result = ecma_op_container_set (set_value, next_value, next_value, is_set);
result = ecma_op_container_set (set_value, next_value, next_value, lit_id);
}
else
{
@@ -168,7 +166,7 @@ ecma_op_container_create (const ecma_value_t *arguments_list_p, /**< arguments l
return value;
}
result = ecma_op_container_set (set_value, key, value, is_set);
result = ecma_op_container_set (set_value, key, value, lit_id);
ecma_free_value (key);
ecma_free_value (value);
@@ -207,21 +205,34 @@ ecma_op_container_create (const ecma_value_t *arguments_list_p, /**< arguments l
*/
static ecma_map_object_t *
ecma_op_container_get_object (ecma_value_t this_arg, /**< this argument */
bool is_set) /**< true - to perform Set operations
* false - to perform Map operations */
lit_magic_string_id_t lit_id) /**< internal class id */
{
if (ecma_is_value_object (this_arg))
{
ecma_map_object_t *map_object_p = (ecma_map_object_t *) ecma_get_object_from_value (this_arg);
if (ecma_get_object_type (&map_object_p->header.object) == ECMA_OBJECT_TYPE_CLASS
&& map_object_p->header.u.class_prop.class_id == (is_set ? LIT_MAGIC_STRING_SET_UL : LIT_MAGIC_STRING_MAP_UL))
&& map_object_p->header.u.class_prop.class_id == lit_id)
{
return map_object_p;
}
}
ecma_raise_type_error (ECMA_ERR_MSG (is_set ? "Expected a Set object." : "Expected a Map object."));
#ifdef JERRY_ENABLE_ERROR_MESSAGES
char *msg_p = "Expected a Map object.";
#if ENABLED (JERRY_ES2015_BUILTIN_SET)
if (lit_id == LIT_MAGIC_STRING_SET_UL)
{
msg_p = "Expected a Set object.";
}
#endif /* ENABLED (JERRY_ES2015_BUILTIN_SET) */
ecma_raise_type_error (ECMA_ERR_MSG (msg_p));
#else /* !JERRY_ENABLE_ERROR_MESSAGES */
ecma_raise_type_error (NULL);
#endif /* JERRY_ENABLE_ERROR_MESSAGES */
return NULL;
} /* ecma_op_container_get_object */
@@ -289,10 +300,9 @@ ecma_op_container_to_key (ecma_value_t key_arg) /**< key argument */
*/
ecma_value_t
ecma_op_container_size (ecma_value_t this_arg, /**< this argument */
bool is_set) /**< true - to perform Set operations
* false - to perform Map operations */
lit_magic_string_id_t lit_id) /**< internal class id */
{
ecma_map_object_t *map_object_p = ecma_op_container_get_object (this_arg, is_set);
ecma_map_object_t *map_object_p = ecma_op_container_get_object (this_arg, lit_id);
if (map_object_p == NULL)
{
@@ -312,7 +322,7 @@ ecma_value_t
ecma_op_container_get (ecma_value_t this_arg, /**< this argument */
ecma_value_t key_arg) /**< key argument */
{
ecma_map_object_t *map_object_p = ecma_op_container_get_object (this_arg, false);
ecma_map_object_t *map_object_p = ecma_op_container_get_object (this_arg, LIT_MAGIC_STRING_MAP_UL);
if (map_object_p == NULL)
{
@@ -332,7 +342,7 @@ ecma_op_container_get (ecma_value_t this_arg, /**< this argument */
ecma_deref_ecma_string (prop_name_p);
if (property_p == NULL)
if (property_p == NULL || ecma_is_value_empty (ECMA_PROPERTY_VALUE_PTR (property_p)->value))
{
return ECMA_VALUE_UNDEFINED;
}
@@ -349,10 +359,9 @@ ecma_op_container_get (ecma_value_t this_arg, /**< this argument */
ecma_value_t
ecma_op_container_has (ecma_value_t this_arg, /**< this argument */
ecma_value_t key_arg, /**< key argument */
bool is_set) /**< true - to perform Set operations
* false - to perform Map operations */
lit_magic_string_id_t lit_id) /**< internal class id */
{
ecma_map_object_t *map_object_p = ecma_op_container_get_object (this_arg, is_set);
ecma_map_object_t *map_object_p = ecma_op_container_get_object (this_arg, lit_id);
if (map_object_p == NULL)
{
@@ -372,7 +381,8 @@ ecma_op_container_has (ecma_value_t this_arg, /**< this argument */
ecma_deref_ecma_string (prop_name_p);
return ecma_make_boolean_value (property_p != NULL);
return ecma_make_boolean_value (property_p != NULL
&& !ecma_is_value_empty (ECMA_PROPERTY_VALUE_PTR (property_p)->value));
} /* ecma_op_container_has */
/**
@@ -385,10 +395,9 @@ ecma_value_t
ecma_op_container_set (ecma_value_t this_arg, /**< this argument */
ecma_value_t key_arg, /**< key argument */
ecma_value_t value_arg, /**< value argument */
bool is_set) /**< true - to perform Set operations
* false - to perform Map operations */
lit_magic_string_id_t lit_id) /**< internal class id */
{
ecma_map_object_t *map_object_p = ecma_op_container_get_object (this_arg, is_set);
ecma_map_object_t *map_object_p = ecma_op_container_get_object (this_arg, lit_id);
if (map_object_p == NULL)
{
@@ -412,6 +421,10 @@ ecma_op_container_set (ecma_value_t this_arg, /**< this argument */
}
else
{
if (ecma_is_value_empty (ECMA_PROPERTY_VALUE_PTR (property_p)->value))
{
map_object_p->size++;
}
ecma_named_data_property_assign_value (internal_obj_p, ECMA_PROPERTY_VALUE_PTR (property_p), value_arg);
}
@@ -479,10 +492,9 @@ ecma_op_container_foreach (ecma_value_t this_arg, /**< this argument */
ecma_value_t predicate, /**< callback function */
ecma_value_t predicate_this_arg, /**< this argument for
* invoke predicate */
bool is_set) /**< true - to perform Set operations
* false - to perform Map operations */
lit_magic_string_id_t lit_id) /**< internal class id */
{
ecma_map_object_t *map_object_p = ecma_op_container_get_object (this_arg, is_set);
ecma_map_object_t *map_object_p = ecma_op_container_get_object (this_arg, lit_id);
if (map_object_p == NULL)
{
@@ -509,8 +521,9 @@ ecma_op_container_foreach (ecma_value_t this_arg, /**< this argument */
{
ecma_string_t *prop_name_p = ecma_get_prop_name_from_value (*ecma_value_p);
ecma_property_t *property_p = ecma_find_named_property (internal_obj_p, prop_name_p);
JERRY_ASSERT (property_p != NULL);
if (property_p == NULL)
if (ecma_is_value_empty (ECMA_PROPERTY_VALUE_PTR (property_p)->value))
{
ecma_value_p = ecma_collection_iterator_next (ecma_value_p);
continue;
@@ -519,7 +532,11 @@ ecma_op_container_foreach (ecma_value_t this_arg, /**< this argument */
ecma_value_t value = ecma_copy_value (ECMA_PROPERTY_VALUE_PTR (property_p)->value);
ecma_value_t key_arg;
if (ecma_prop_name_is_map_key (prop_name_p))
if (lit_id == LIT_MAGIC_STRING_SET_UL)
{
key_arg = value;
}
else if (ecma_prop_name_is_map_key (prop_name_p))
{
key_arg = prop_name_p->u.value;
}
@@ -536,7 +553,7 @@ ecma_op_container_foreach (ecma_value_t this_arg, /**< this argument */
}
}
ecma_value_t call_args[] = { value, is_set ? value : key_arg };
ecma_value_t call_args[] = { value, key_arg };
ecma_value_t call_value = ecma_op_function_call (func_object_p, predicate_this_arg, call_args, 2);
@@ -566,10 +583,9 @@ ecma_op_container_foreach (ecma_value_t this_arg, /**< this argument */
*/
ecma_value_t
ecma_op_container_clear (ecma_value_t this_arg, /**< this argument */
bool is_set) /**< true - to perform Set operations
* false - to perform Map operations */
lit_magic_string_id_t lit_id) /**< internal class id */
{
ecma_map_object_t *map_object_p = ecma_op_container_get_object (this_arg, is_set);
ecma_map_object_t *map_object_p = ecma_op_container_get_object (this_arg, lit_id);
if (map_object_p == NULL)
{
@@ -593,10 +609,9 @@ ecma_op_container_clear (ecma_value_t this_arg, /**< this argument */
ecma_value_t
ecma_op_container_delete (ecma_value_t this_arg, /**< this argument */
ecma_value_t key_arg, /**< key argument */
bool is_set) /**< true - to perform Set operations
* false - to perform Map operations */
lit_magic_string_id_t lit_id) /**< internal class id */
{
ecma_map_object_t *map_object_p = ecma_op_container_get_object (this_arg, is_set);
ecma_map_object_t *map_object_p = ecma_op_container_get_object (this_arg, lit_id);
if (map_object_p == NULL)
{
@@ -616,15 +631,213 @@ ecma_op_container_delete (ecma_value_t this_arg, /**< this argument */
return ECMA_VALUE_FALSE;
}
ecma_delete_property (internal_obj_p, ECMA_PROPERTY_VALUE_PTR (property_p));
ecma_named_data_property_assign_value (internal_obj_p, ECMA_PROPERTY_VALUE_PTR (property_p), ECMA_VALUE_EMPTY);
map_object_p->size--;
return ECMA_VALUE_TRUE;
} /* ecma_op_container_delete */
#if ENABLED (JERRY_ES2015_BUILTIN_ITERATOR)
/**
* The Create{Set, Map}Iterator Abstract operation
*
* See also:
* ECMA-262 v6, 23.1.5.1
* ECMA-262 v6, 23.2.5.1
*
* Note:
* Returned value must be freed with ecma_free_value.
*
* @return set/map iterator object, if success
* error - otherwise
*/
ecma_value_t
ecma_op_container_create_iterator (ecma_value_t this_arg, /**< this argument */
uint8_t type, /**< any combination of
* ecma_iterator_type_t bits */
lit_magic_string_id_t lit_id, /**< internal class id */
ecma_builtin_id_t proto_id, /**< prototype builtin id */
ecma_pseudo_array_type_t iterator_type) /**< type of the iterator */
{
ecma_map_object_t *map_object_p = ecma_op_container_get_object (this_arg, lit_id);
if (map_object_p == NULL)
{
return ECMA_VALUE_ERROR;
}
return ecma_op_create_iterator_object (this_arg,
ecma_builtin_get (proto_id),
iterator_type,
type);
} /* ecma_op_container_create_iterator */
/**
* The %{Set, Map}IteratorPrototype% object's 'next' routine
*
* See also:
* ECMA-262 v6, 23.1.5.2.1
* ECMA-262 v6, 23.2.5.2.1
*
* Note:
* Returned value must be freed with ecma_free_value.
*
* @return iterator result object, if success
* error - otherwise
*/
ecma_value_t
ecma_op_container_iterator_next (ecma_value_t this_val, /**< this argument */
ecma_pseudo_array_type_t iterator_type) /**< type of the iterator */
{
if (!ecma_is_value_object (this_val))
{
return ecma_raise_type_error (ECMA_ERR_MSG ("Argument 'this' is not an object."));
}
ecma_object_t *obj_p = ecma_get_object_from_value (this_val);
ecma_extended_object_t *ext_obj_p = (ecma_extended_object_t *) obj_p;
if (ecma_get_object_type (obj_p) == ECMA_OBJECT_TYPE_PSEUDO_ARRAY
&& ext_obj_p->u.pseudo_array.type != iterator_type)
{
return ecma_raise_type_error (ECMA_ERR_MSG ("Argument 'this' is not an iterator."));
}
ecma_value_t iterated_value = ext_obj_p->u.pseudo_array.u2.iterated_value;
if (ecma_is_value_empty (iterated_value))
{
return ecma_create_iter_result_object (ECMA_VALUE_UNDEFINED, ECMA_VALUE_TRUE);
}
ecma_map_object_t *map_object_p = (ecma_map_object_t *) (ecma_get_object_from_value (iterated_value));
ecma_object_t *internal_obj_p = ecma_get_object_from_value (map_object_p->header.u.class_prop.u.value);
ecma_collection_header_t *props_p = ecma_op_object_get_property_names (internal_obj_p, ECMA_LIST_NO_OPTS);
uint32_t length = props_p->item_count;
uint32_t index = ext_obj_p->u.pseudo_array.u1.iterator_index;
if (JERRY_UNLIKELY (index == ECMA_ITERATOR_INDEX_LIMIT))
{
/* After the ECMA_ITERATOR_INDEX_LIMIT limit is reached the [[%Iterator%NextIndex]]
property is stored as an internal property */
ecma_string_t *prop_name_p = ecma_get_magic_string (LIT_INTERNAL_MAGIC_STRING_ITERATOR_NEXT_INDEX);
ecma_property_t *property_p = ecma_find_named_property (obj_p, prop_name_p);
ecma_property_value_t *value_p;
if (property_p == NULL)
{
value_p = ecma_create_named_data_property (obj_p, prop_name_p, ECMA_PROPERTY_FLAG_WRITABLE, &property_p);
value_p->value = ecma_make_uint32_value (index);
}
else
{
value_p = ECMA_PROPERTY_VALUE_PTR (property_p);
index = (uint32_t) (ecma_get_number_from_value (value_p->value) + 1);
value_p->value = ecma_make_uint32_value (index);
}
}
else
{
ext_obj_p->u.pseudo_array.u1.iterator_index++;
}
if (index >= length)
{
ext_obj_p->u.pseudo_array.u2.iterated_value = ECMA_VALUE_EMPTY;
ecma_free_values_collection (props_p, 0);
return ecma_create_iter_result_object (ECMA_VALUE_UNDEFINED, ECMA_VALUE_TRUE);
}
uint8_t iterator_kind = ext_obj_p->u.pseudo_array.extra_info;
ecma_value_t *ecma_value_p = ecma_collection_iterator_init (props_p);
ecma_value_t ret_value = ECMA_VALUE_UNDEFINED;
while (ecma_value_p != NULL)
{
if (index > 0)
{
index--;
ecma_value_p = ecma_collection_iterator_next (ecma_value_p);
continue;
}
ecma_string_t *prop_name_p = ecma_get_prop_name_from_value (*ecma_value_p);
ecma_property_t *property_p = ecma_find_named_property (internal_obj_p, prop_name_p);
JERRY_ASSERT (property_p != NULL);
if (ecma_is_value_empty (ECMA_PROPERTY_VALUE_PTR (property_p)->value))
{
ecma_value_p = ecma_collection_iterator_next (ecma_value_p);
if (ecma_value_p == NULL)
{
ret_value = ecma_create_iter_result_object (ECMA_VALUE_UNDEFINED, ECMA_VALUE_TRUE);
}
continue;
}
ecma_value_t value = ecma_copy_value (ECMA_PROPERTY_VALUE_PTR (property_p)->value);
ecma_value_t key_arg;
if (iterator_type == ECMA_PSEUDO_SET_ITERATOR)
{
key_arg = value;
}
else if (ecma_prop_name_is_map_key (prop_name_p))
{
key_arg = prop_name_p->u.value;
}
else
{
if (ECMA_IS_DIRECT_STRING (prop_name_p)
&& ECMA_GET_DIRECT_STRING_TYPE (prop_name_p) == ECMA_DIRECT_STRING_ECMA_INTEGER)
{
key_arg = ecma_make_uint32_value ((uint32_t) ECMA_GET_DIRECT_STRING_VALUE (prop_name_p));
}
else
{
key_arg = *ecma_value_p;
}
}
if (iterator_kind == ECMA_ITERATOR_KEYS)
{
ret_value = ecma_create_iter_result_object (key_arg, ECMA_VALUE_FALSE);
}
else if (iterator_kind == ECMA_ITERATOR_VALUES)
{
ret_value = ecma_create_iter_result_object (value, ECMA_VALUE_FALSE);
}
else
{
JERRY_ASSERT (iterator_kind == ECMA_ITERATOR_KEYS_VALUES);
ecma_value_t entry_array_value;
entry_array_value = ecma_create_array_from_iter_element (value, key_arg);
ret_value = ecma_create_iter_result_object (entry_array_value, ECMA_VALUE_FALSE);
ecma_free_value (entry_array_value);
}
ecma_free_value (value);
break;
}
ecma_free_values_collection (props_p, 0);
return ret_value;
} /* ecma_op_container_iterator_next */
#endif /* ENABLED (JERRY_ES2015_BUILTIN_ITERATOR) */
/**
* @}
* @}
*/
#endif /* ENABLED (JERRY_ES2015_BUILTIN_MAP) */
#endif /* ENABLED (JERRY_ES2015_BUILTIN_MAP) || ENABLED (JERRY_ES2015_BUILTIN_SET) */
jerry-core/ecma/operations/ecma-container-object.h
+14 -9
View File
@@ -17,8 +17,9 @@
#define ECMA_CONTAINER_OBJECT_H
#include "ecma-globals.h"
#include "ecma-builtins.h"
#if ENABLED (JERRY_ES2015_BUILTIN_MAP)
#if ENABLED (JERRY_ES2015_BUILTIN_MAP) || ENABLED (JERRY_ES2015_BUILTIN_SET)
/** \addtogroup ecma ECMA
* @{
@@ -28,22 +29,26 @@
*/
ecma_value_t ecma_op_container_create (const ecma_value_t *arguments_list_p, ecma_length_t arguments_list_len,
bool is_set);
ecma_value_t ecma_op_container_size (ecma_value_t this_arg, bool is_set);
lit_magic_string_id_t lit_id, ecma_builtin_id_t proto_id);
ecma_value_t ecma_op_container_size (ecma_value_t this_arg, lit_magic_string_id_t lit_id);
ecma_value_t ecma_op_container_get (ecma_value_t this_arg, ecma_value_t key_arg);
ecma_value_t ecma_op_container_foreach (ecma_value_t this_arg, ecma_value_t predicate, ecma_value_t predicate_this_arg,
bool is_set);
ecma_value_t ecma_op_container_has (ecma_value_t this_arg, ecma_value_t key_arg, bool is_set);
ecma_value_t ecma_op_container_set (ecma_value_t this_arg, ecma_value_t key_arg, ecma_value_t value_arg, bool is_set);
lit_magic_string_id_t lit_id);
ecma_value_t ecma_op_container_has (ecma_value_t this_arg, ecma_value_t key_arg, lit_magic_string_id_t lit_id);
ecma_value_t ecma_op_container_set (ecma_value_t this_arg, ecma_value_t key_arg, ecma_value_t value_arg,
lit_magic_string_id_t lit_id);
void ecma_op_container_clear_map (ecma_map_object_t *map_object_p);
ecma_value_t ecma_op_container_clear (ecma_value_t this_arg, bool is_set);
ecma_value_t ecma_op_container_delete (ecma_value_t this_arg, ecma_value_t key_arg, bool is_set);
ecma_value_t ecma_op_container_clear (ecma_value_t this_arg, lit_magic_string_id_t lit_id);
ecma_value_t ecma_op_container_delete (ecma_value_t this_arg, ecma_value_t key_arg, lit_magic_string_id_t lit_id);
ecma_value_t ecma_op_container_create_iterator (ecma_value_t this_arg, uint8_t type, lit_magic_string_id_t lit_id,
ecma_builtin_id_t proto_id, ecma_pseudo_array_type_t iterator_type);
ecma_value_t ecma_op_container_iterator_next (ecma_value_t this_val, ecma_pseudo_array_type_t iterator_type);
/**
* @}
* @}
*/
#endif /* ENABLED (JERRY_ES2015_BUILTIN_MAP) */
#endif /* ENABLED (JERRY_ES2015_BUILTIN_MAP) || ENABLED (JERRY_ES2015_BUILTIN_SET) */
#endif /* !ECMA_CONTAINER_OBJECT_H */
jerry-core/ecma/operations/ecma-iterator-object.c
+1 -1
View File
@@ -134,7 +134,7 @@ ecma_create_iter_result_object (ecma_value_t value, /**< value */
ecma_value_t
ecma_op_create_iterator_object (ecma_value_t iterated_value, /**< value from create iterator */
ecma_object_t *prototype_obj_p, /**< prototype object */
uint8_t iterator_type, /**< itertator type, see ecma_pseudo_array_type_t */
uint8_t iterator_type, /**< iterator type, see ecma_pseudo_array_type_t */
uint8_t extra_info) /**< extra information */
{
/* 1. */
jerry-core/ecma/operations/ecma-objects.c
+14
View File
@@ -1887,9 +1887,15 @@ ecma_object_check_class_name_is_object (ecma_object_t *obj_p) /**< object */
#endif /* ENABLED (JERRY_ES2015_BUILTIN_ITERATOR) */
#if ENABLED (JERRY_ES2015_BUILTIN_MAP)
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_MAP_PROTOTYPE)
#if ENABLED (JERRY_ES2015_BUILTIN_ITERATOR)
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_MAP_ITERATOR_PROTOTYPE)
#endif /* ENABLED (JERRY_ES2015_BUILTIN_ITERATOR) */
#endif /* ENABLED (JERRY_ES2015_BUILTIN_MAP) */
#if ENABLED (JERRY_ES2015_BUILTIN_SET)
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_SET_PROTOTYPE)
#if ENABLED (JERRY_ES2015_BUILTIN_ITERATOR)
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_SET_ITERATOR_PROTOTYPE)
#endif /* ENABLED (JERRY_ES2015_BUILTIN_ITERATOR) */
#endif /* ENABLED (JERRY_ES2015_BUILTIN_SET) */
#if ENABLED (JERRY_ES2015_BUILTIN_SYMBOL)
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_SYMBOL_PROTOTYPE)
@@ -1943,6 +1949,14 @@ ecma_object_get_class_name (ecma_object_t *obj_p) /**< object */
{
return LIT_MAGIC_STRING_ARRAY_ITERATOR_UL;
}
case ECMA_PSEUDO_SET_ITERATOR:
{
return LIT_MAGIC_STRING_SET_ITERATOR_UL;
}
case ECMA_PSEUDO_MAP_ITERATOR:
{
return LIT_MAGIC_STRING_MAP_ITERATOR_UL;
}
#endif /* ENABLED (JERRY_ES2015_BUILTIN_ITERATOR) */
#if ENABLED (JERRY_ES2015_BUILTIN_ITERATOR)
case ECMA_PSEUDO_STRING_ITERATOR: