mirror of
https://github.com/jerryscript-project/jerryscript.git
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8b41bf306a
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
2749 lines
90 KiB
C
2749 lines
90 KiB
C
/* Copyright JS Foundation and other contributors, http://js.foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "ecma-array-object.h"
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#include "ecma-builtins.h"
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#include "ecma-builtin-helpers.h"
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#include "ecma-exceptions.h"
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#include "ecma-gc.h"
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#include "ecma-globals.h"
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#include "ecma-helpers.h"
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#include "ecma-function-object.h"
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#include "ecma-lex-env.h"
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#include "ecma-string-object.h"
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#include "ecma-objects-arguments.h"
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#include "ecma-objects-general.h"
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#include "ecma-objects.h"
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#include "jcontext.h"
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#if ENABLED (JERRY_ES2015_BUILTIN_TYPEDARRAY)
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#include "ecma-typedarray-object.h"
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#include "ecma-arraybuffer-object.h"
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#include "ecma-try-catch-macro.h"
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#endif /* ENABLED (JERRY_ES2015_BUILTIN_TYPEDARRAY) */
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/** \addtogroup ecma ECMA
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* @{
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*
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* \addtogroup ecmaobjectsinternalops ECMA objects' operations
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* @{
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*/
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/**
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* Hash bitmap size for ecma objects
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*/
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#define ECMA_OBJECT_HASH_BITMAP_SIZE 256
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/**
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* Assert that specified object type value is valid
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*
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* @param type object's implementation-defined type
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*/
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#ifndef JERRY_NDEBUG
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#define JERRY_ASSERT_OBJECT_TYPE_IS_VALID(type) \
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JERRY_ASSERT (type < ECMA_OBJECT_TYPE__MAX);
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#else /* JERRY_NDEBUG */
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#define JERRY_ASSERT_OBJECT_TYPE_IS_VALID(type)
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#endif /* !JERRY_NDEBUG */
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/**
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* [[GetOwnProperty]] ecma object's operation
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*
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* See also:
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* ECMA-262 v5, 8.6.2; ECMA-262 v5, Table 8
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*
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* @return pointer to a property - if it exists,
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* NULL (i.e. ecma-undefined) - otherwise.
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*/
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ecma_property_t
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ecma_op_object_get_own_property (ecma_object_t *object_p, /**< the object */
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ecma_string_t *property_name_p, /**< property name */
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ecma_property_ref_t *property_ref_p, /**< property reference */
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uint32_t options) /**< option bits */
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{
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JERRY_ASSERT (object_p != NULL
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&& !ecma_is_lexical_environment (object_p));
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JERRY_ASSERT (property_name_p != NULL);
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JERRY_ASSERT (options == ECMA_PROPERTY_GET_NO_OPTIONS || property_ref_p != NULL);
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ecma_object_type_t type = ecma_get_object_type (object_p);
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switch (type)
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{
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case ECMA_OBJECT_TYPE_CLASS:
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{
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ecma_extended_object_t *ext_object_p = (ecma_extended_object_t *) object_p;
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if (ext_object_p->u.class_prop.class_id == LIT_MAGIC_STRING_STRING_UL)
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{
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if (ecma_string_is_length (property_name_p))
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{
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if (options & ECMA_PROPERTY_GET_VALUE)
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{
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ecma_value_t prim_value_p = ext_object_p->u.class_prop.u.value;
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ecma_string_t *prim_value_str_p = ecma_get_string_from_value (prim_value_p);
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ecma_length_t length = ecma_string_get_length (prim_value_str_p);
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property_ref_p->virtual_value = ecma_make_uint32_value (length);
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}
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return ECMA_PROPERTY_TYPE_VIRTUAL;
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}
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uint32_t index = ecma_string_get_array_index (property_name_p);
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if (index != ECMA_STRING_NOT_ARRAY_INDEX)
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{
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ecma_value_t prim_value_p = ext_object_p->u.class_prop.u.value;
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ecma_string_t *prim_value_str_p = ecma_get_string_from_value (prim_value_p);
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if (index < ecma_string_get_length (prim_value_str_p))
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{
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if (options & ECMA_PROPERTY_GET_VALUE)
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{
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ecma_char_t char_at_idx = ecma_string_get_char_at_pos (prim_value_str_p, index);
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ecma_string_t *char_str_p = ecma_new_ecma_string_from_code_unit (char_at_idx);
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property_ref_p->virtual_value = ecma_make_string_value (char_str_p);
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}
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return ECMA_PROPERTY_FLAG_ENUMERABLE | ECMA_PROPERTY_TYPE_VIRTUAL;
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}
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}
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}
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break;
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}
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case ECMA_OBJECT_TYPE_ARRAY:
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{
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ecma_extended_object_t *ext_object_p = (ecma_extended_object_t *) object_p;
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if (ecma_string_is_length (property_name_p))
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{
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if (options & ECMA_PROPERTY_GET_VALUE)
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{
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property_ref_p->virtual_value = ecma_make_uint32_value (ext_object_p->u.array.length);
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}
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return ext_object_p->u.array.u.length_prop & (ECMA_PROPERTY_TYPE_VIRTUAL | ECMA_PROPERTY_FLAG_WRITABLE);
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}
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if (ecma_op_array_is_fast_array (ext_object_p))
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{
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uint32_t index = ecma_string_get_array_index (property_name_p);
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if (index != ECMA_STRING_NOT_ARRAY_INDEX)
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{
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if (JERRY_LIKELY (index < ext_object_p->u.array.length))
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{
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ecma_value_t *values_p = ECMA_GET_NON_NULL_POINTER (ecma_value_t, object_p->u1.property_list_cp);
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if (ecma_is_value_array_hole (values_p[index]))
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{
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return ECMA_PROPERTY_TYPE_NOT_FOUND;
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}
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if (options & ECMA_PROPERTY_GET_VALUE)
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{
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property_ref_p->virtual_value = ecma_fast_copy_value (values_p[index]);
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}
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return (ecma_property_t) (ECMA_PROPERTY_CONFIGURABLE_ENUMERABLE_WRITABLE | ECMA_PROPERTY_TYPE_VIRTUAL);
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}
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}
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return ECMA_PROPERTY_TYPE_NOT_FOUND;
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}
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break;
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}
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#if ENABLED (JERRY_ES2015_BUILTIN_TYPEDARRAY)
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case ECMA_OBJECT_TYPE_PSEUDO_ARRAY:
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{
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/* ES2015 9.4.5.1 */
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if (ecma_object_is_typedarray (object_p))
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{
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#if ENABLED (JERRY_ES2015)
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if (ecma_prop_name_is_symbol (property_name_p))
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{
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break;
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}
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#endif /* ENABLED (JERRY_ES2015) */
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uint32_t array_index = ecma_string_get_array_index (property_name_p);
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if (array_index != ECMA_STRING_NOT_ARRAY_INDEX)
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{
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ecma_typedarray_info_t info = ecma_typedarray_get_info (object_p);
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ecma_value_t value = ECMA_VALUE_UNDEFINED;
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if (array_index < info.length)
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{
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ecma_length_t byte_pos = array_index << info.shift;
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ecma_number_t num = ecma_get_typedarray_element (info.buffer_p + byte_pos, info.id);
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value = ecma_make_number_value (num);
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}
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if (!ecma_is_value_undefined (value))
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{
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if (options & ECMA_PROPERTY_GET_VALUE)
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{
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property_ref_p->virtual_value = value;
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}
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else
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{
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ecma_fast_free_value (value);
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}
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return ECMA_PROPERTY_ENUMERABLE_WRITABLE | ECMA_PROPERTY_TYPE_VIRTUAL;
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}
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return ECMA_PROPERTY_TYPE_NOT_FOUND_AND_STOP;
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}
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ecma_number_t num = ecma_string_to_number (property_name_p);
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ecma_string_t *num_to_str = ecma_new_ecma_string_from_number (num);
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if (ecma_compare_ecma_strings (property_name_p, num_to_str))
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{
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ecma_deref_ecma_string (num_to_str);
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return ECMA_PROPERTY_TYPE_NOT_FOUND_AND_STOP;
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}
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ecma_deref_ecma_string (num_to_str);
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}
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break;
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}
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#endif /* ENABLED (JERRY_ES2015_BUILTIN_TYPEDARRAY) */
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default:
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{
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break;
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}
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}
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ecma_property_t *property_p = ecma_find_named_property (object_p, property_name_p);
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if (property_p == NULL)
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{
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if (ecma_get_object_is_builtin (object_p))
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{
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property_p = ecma_builtin_try_to_instantiate_property (object_p, property_name_p);
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}
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else if (ecma_is_normal_or_arrow_function (type))
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{
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if (ecma_string_is_length (property_name_p))
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{
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if (options & ECMA_PROPERTY_GET_VALUE)
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{
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/* Get length virtual property. */
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const ecma_compiled_code_t *bytecode_data_p;
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#if ENABLED (JERRY_ES2015)
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if (type != ECMA_OBJECT_TYPE_ARROW_FUNCTION)
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{
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ecma_extended_object_t *ext_func_p = (ecma_extended_object_t *) object_p;
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bytecode_data_p = ecma_op_function_get_compiled_code (ext_func_p);
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}
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else
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{
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ecma_arrow_function_t *arrow_func_p = (ecma_arrow_function_t *) object_p;
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bytecode_data_p = ecma_op_arrow_function_get_compiled_code (arrow_func_p);
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}
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#else /* !ENABLED (JERRY_ES2015) */
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ecma_extended_object_t *ext_func_p = (ecma_extended_object_t *) object_p;
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bytecode_data_p = ecma_op_function_get_compiled_code (ext_func_p);
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#endif /* ENABLED (JERRY_ES2015) */
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uint32_t len;
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if (bytecode_data_p->status_flags & CBC_CODE_FLAGS_UINT16_ARGUMENTS)
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{
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cbc_uint16_arguments_t *args_p = (cbc_uint16_arguments_t *) bytecode_data_p;
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len = args_p->argument_end;
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}
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else
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{
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cbc_uint8_arguments_t *args_p = (cbc_uint8_arguments_t *) bytecode_data_p;
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len = args_p->argument_end;
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}
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property_ref_p->virtual_value = ecma_make_uint32_value (len);
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}
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return ECMA_PROPERTY_TYPE_VIRTUAL;
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}
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/* Get prototype physical property. */
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property_p = ecma_op_function_try_to_lazy_instantiate_property (object_p, property_name_p);
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}
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else if (type == ECMA_OBJECT_TYPE_EXTERNAL_FUNCTION)
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{
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property_p = ecma_op_external_function_try_to_lazy_instantiate_property (object_p, property_name_p);
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}
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else if (type == ECMA_OBJECT_TYPE_BOUND_FUNCTION)
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{
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property_p = ecma_op_bound_function_try_to_lazy_instantiate_property (object_p, property_name_p);
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}
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if (property_p == NULL)
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{
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return ECMA_PROPERTY_TYPE_NOT_FOUND;
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}
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}
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else if (type == ECMA_OBJECT_TYPE_PSEUDO_ARRAY
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&& property_ref_p != NULL)
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{
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ecma_extended_object_t *ext_object_p = (ecma_extended_object_t *) object_p;
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if (ext_object_p->u.pseudo_array.type == ECMA_PSEUDO_ARRAY_ARGUMENTS)
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{
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uint32_t index = ecma_string_get_array_index (property_name_p);
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if (index != ECMA_STRING_NOT_ARRAY_INDEX
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&& index < ext_object_p->u.pseudo_array.u1.length)
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{
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ecma_value_t *arg_Literal_p = (ecma_value_t *) (ext_object_p + 1);
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if (arg_Literal_p[index] != ECMA_VALUE_EMPTY)
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{
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ecma_string_t *arg_name_p = ecma_get_string_from_value (arg_Literal_p[index]);
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ecma_object_t *lex_env_p = ECMA_GET_INTERNAL_VALUE_POINTER (ecma_object_t,
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ext_object_p->u.pseudo_array.u2.lex_env_cp);
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JERRY_ASSERT (lex_env_p != NULL
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&& ecma_is_lexical_environment (lex_env_p));
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ecma_value_t binding_value = ecma_op_get_binding_value (lex_env_p, arg_name_p, true);
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ecma_named_data_property_assign_value (object_p,
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ECMA_PROPERTY_VALUE_PTR (property_p),
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binding_value);
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ecma_free_value (binding_value);
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}
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}
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}
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}
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if (options & ECMA_PROPERTY_GET_EXT_REFERENCE)
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{
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((ecma_extended_property_ref_t *) property_ref_p)->property_p = property_p;
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}
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if (property_ref_p != NULL)
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{
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property_ref_p->value_p = ECMA_PROPERTY_VALUE_PTR (property_p);
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}
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return *property_p;
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} /* ecma_op_object_get_own_property */
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/**
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* [[GetProperty]] ecma object's operation
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*
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* See also:
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* ECMA-262 v5, 8.6.2; ECMA-262 v5, Table 8
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*
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* @return pointer to a property - if it exists,
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* NULL (i.e. ecma-undefined) - otherwise.
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*/
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static ecma_property_t
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ecma_op_object_get_property (ecma_object_t *object_p, /**< the object */
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ecma_string_t *property_name_p, /**< property name */
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ecma_property_ref_t *property_ref_p, /**< property reference */
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uint32_t options) /**< option bits */
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{
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while (true)
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{
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ecma_property_t property = ecma_op_object_get_own_property (object_p,
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property_name_p,
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property_ref_p,
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options);
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if (property != ECMA_PROPERTY_TYPE_NOT_FOUND && property != ECMA_PROPERTY_TYPE_NOT_FOUND_AND_STOP)
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{
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return property;
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}
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if (property == ECMA_PROPERTY_TYPE_NOT_FOUND_AND_STOP)
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{
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break;
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}
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if (object_p->u2.prototype_cp == JMEM_CP_NULL)
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{
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break;
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}
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object_p = ECMA_GET_NON_NULL_POINTER (ecma_object_t, object_p->u2.prototype_cp);
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}
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return ECMA_PROPERTY_TYPE_NOT_FOUND;
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} /* ecma_op_object_get_property */
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/**
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* Checks whether an object (excluding prototypes) has a named property
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*
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* @return true - if property is found
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* false - otherwise
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*/
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inline bool JERRY_ATTR_ALWAYS_INLINE
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ecma_op_object_has_own_property (ecma_object_t *object_p, /**< the object */
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ecma_string_t *property_name_p) /**< property name */
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{
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ecma_property_ref_t property_ref;
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ecma_property_t property = ecma_op_object_get_own_property (object_p,
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property_name_p,
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&property_ref,
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ECMA_PROPERTY_GET_NO_OPTIONS);
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return property != ECMA_PROPERTY_TYPE_NOT_FOUND && property != ECMA_PROPERTY_TYPE_NOT_FOUND_AND_STOP;
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} /* ecma_op_object_has_own_property */
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|
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/**
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* Checks whether an object (including prototypes) has a named property
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*
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* @return true - if property is found
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* false - otherwise
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*/
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inline bool JERRY_ATTR_ALWAYS_INLINE
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ecma_op_object_has_property (ecma_object_t *object_p, /**< the object */
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ecma_string_t *property_name_p) /**< property name */
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{
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ecma_property_t property = ecma_op_object_get_property (object_p,
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property_name_p,
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NULL,
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ECMA_PROPERTY_GET_NO_OPTIONS);
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return property != ECMA_PROPERTY_TYPE_NOT_FOUND;
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} /* ecma_op_object_has_property */
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/**
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* Search the value corresponding to a property name
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*
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* Note: search includes prototypes
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*
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* @return ecma value if property is found
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* ECMA_VALUE_NOT_FOUND if property is not found
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* Returned value must be freed with ecma_free_value
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*/
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ecma_value_t
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ecma_op_object_find_own (ecma_value_t base_value, /**< base value */
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ecma_object_t *object_p, /**< target object */
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ecma_string_t *property_name_p) /**< property name */
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{
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JERRY_ASSERT (object_p != NULL
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&& !ecma_is_lexical_environment (object_p));
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JERRY_ASSERT (property_name_p != NULL);
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ecma_object_type_t type = ecma_get_object_type (object_p);
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switch (type)
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{
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case ECMA_OBJECT_TYPE_CLASS:
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{
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ecma_extended_object_t *ext_object_p = (ecma_extended_object_t *) object_p;
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if (ext_object_p->u.class_prop.class_id == LIT_MAGIC_STRING_STRING_UL)
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{
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if (ecma_string_is_length (property_name_p))
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{
|
|
ecma_value_t prim_value_p = ext_object_p->u.class_prop.u.value;
|
|
|
|
ecma_string_t *prim_value_str_p = ecma_get_string_from_value (prim_value_p);
|
|
ecma_length_t length = ecma_string_get_length (prim_value_str_p);
|
|
|
|
return ecma_make_uint32_value (length);
|
|
}
|
|
|
|
uint32_t index = ecma_string_get_array_index (property_name_p);
|
|
|
|
if (index != ECMA_STRING_NOT_ARRAY_INDEX)
|
|
{
|
|
ecma_value_t prim_value_p = ext_object_p->u.class_prop.u.value;
|
|
|
|
ecma_string_t *prim_value_str_p = ecma_get_string_from_value (prim_value_p);
|
|
|
|
if (index < ecma_string_get_length (prim_value_str_p))
|
|
{
|
|
ecma_char_t char_at_idx = ecma_string_get_char_at_pos (prim_value_str_p, index);
|
|
return ecma_make_string_value (ecma_new_ecma_string_from_code_unit (char_at_idx));
|
|
}
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
case ECMA_OBJECT_TYPE_ARRAY:
|
|
{
|
|
ecma_extended_object_t *ext_object_p = (ecma_extended_object_t *) object_p;
|
|
|
|
if (ecma_string_is_length (property_name_p))
|
|
{
|
|
return ecma_make_uint32_value (ext_object_p->u.array.length);
|
|
}
|
|
|
|
if (JERRY_LIKELY (ecma_op_array_is_fast_array (ext_object_p)))
|
|
{
|
|
uint32_t index = ecma_string_get_array_index (property_name_p);
|
|
|
|
if (JERRY_LIKELY (index != ECMA_STRING_NOT_ARRAY_INDEX))
|
|
{
|
|
if (JERRY_LIKELY (index < ext_object_p->u.array.length))
|
|
{
|
|
ecma_value_t *values_p = ECMA_GET_NON_NULL_POINTER (ecma_value_t, object_p->u1.property_list_cp);
|
|
|
|
return (ecma_is_value_array_hole (values_p[index]) ? ECMA_VALUE_NOT_FOUND
|
|
: ecma_fast_copy_value (values_p[index]));
|
|
}
|
|
}
|
|
return ECMA_VALUE_NOT_FOUND;
|
|
}
|
|
|
|
break;
|
|
}
|
|
case ECMA_OBJECT_TYPE_PSEUDO_ARRAY:
|
|
{
|
|
ecma_extended_object_t *ext_object_p = (ecma_extended_object_t *) object_p;
|
|
|
|
if (ext_object_p->u.pseudo_array.type == ECMA_PSEUDO_ARRAY_ARGUMENTS)
|
|
{
|
|
uint32_t index = ecma_string_get_array_index (property_name_p);
|
|
|
|
if (index != ECMA_STRING_NOT_ARRAY_INDEX
|
|
&& index < ext_object_p->u.pseudo_array.u1.length)
|
|
{
|
|
ecma_value_t *arg_Literal_p = (ecma_value_t *) (ext_object_p + 1);
|
|
|
|
if (arg_Literal_p[index] != ECMA_VALUE_EMPTY)
|
|
{
|
|
ecma_string_t *arg_name_p = ecma_get_string_from_value (arg_Literal_p[index]);
|
|
|
|
ecma_object_t *lex_env_p = ECMA_GET_INTERNAL_VALUE_POINTER (ecma_object_t,
|
|
ext_object_p->u.pseudo_array.u2.lex_env_cp);
|
|
|
|
JERRY_ASSERT (lex_env_p != NULL
|
|
&& ecma_is_lexical_environment (lex_env_p));
|
|
|
|
return ecma_op_get_binding_value (lex_env_p, arg_name_p, true);
|
|
}
|
|
}
|
|
}
|
|
#if ENABLED (JERRY_ES2015_BUILTIN_TYPEDARRAY)
|
|
/* ES2015 9.4.5.4 */
|
|
if (ecma_object_is_typedarray (object_p))
|
|
{
|
|
#if ENABLED (JERRY_ES2015)
|
|
if (ecma_prop_name_is_symbol (property_name_p))
|
|
{
|
|
break;
|
|
}
|
|
#endif /* ENABLED (JERRY_ES2015) */
|
|
|
|
uint32_t array_index = ecma_string_get_array_index (property_name_p);
|
|
|
|
if (array_index != ECMA_STRING_NOT_ARRAY_INDEX)
|
|
{
|
|
ecma_typedarray_info_t info = ecma_typedarray_get_info (object_p);
|
|
|
|
if (array_index >= info.length)
|
|
{
|
|
return ECMA_VALUE_UNDEFINED;
|
|
}
|
|
|
|
ecma_length_t byte_pos = array_index << info.shift;
|
|
ecma_number_t num = ecma_get_typedarray_element (info.buffer_p + byte_pos, info.id);
|
|
return ecma_make_number_value (num);
|
|
}
|
|
|
|
ecma_number_t num = ecma_string_to_number (property_name_p);
|
|
ecma_string_t *num_to_str = ecma_new_ecma_string_from_number (num);
|
|
|
|
if (ecma_compare_ecma_strings (property_name_p, num_to_str))
|
|
{
|
|
ecma_deref_ecma_string (num_to_str);
|
|
|
|
return ECMA_VALUE_UNDEFINED;
|
|
}
|
|
|
|
ecma_deref_ecma_string (num_to_str);
|
|
}
|
|
#endif /* ENABLED (JERRY_ES2015_BUILTIN_TYPEDARRAY) */
|
|
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
ecma_property_t *property_p = ecma_find_named_property (object_p, property_name_p);
|
|
|
|
if (property_p == NULL)
|
|
{
|
|
if (ecma_get_object_is_builtin (object_p))
|
|
{
|
|
property_p = ecma_builtin_try_to_instantiate_property (object_p, property_name_p);
|
|
}
|
|
else if (ecma_is_normal_or_arrow_function (type))
|
|
{
|
|
if (ecma_string_is_length (property_name_p))
|
|
{
|
|
/* Get length virtual property. */
|
|
const ecma_compiled_code_t *bytecode_data_p;
|
|
|
|
#if ENABLED (JERRY_ES2015)
|
|
if (type != ECMA_OBJECT_TYPE_ARROW_FUNCTION)
|
|
{
|
|
ecma_extended_object_t *ext_func_p = (ecma_extended_object_t *) object_p;
|
|
bytecode_data_p = ecma_op_function_get_compiled_code (ext_func_p);
|
|
}
|
|
else
|
|
{
|
|
ecma_arrow_function_t *arrow_func_p = (ecma_arrow_function_t *) object_p;
|
|
bytecode_data_p = ecma_op_arrow_function_get_compiled_code (arrow_func_p);
|
|
}
|
|
#else /* !ENABLED (JERRY_ES2015) */
|
|
ecma_extended_object_t *ext_func_p = (ecma_extended_object_t *) object_p;
|
|
bytecode_data_p = ecma_op_function_get_compiled_code (ext_func_p);
|
|
#endif /* ENABLED (JERRY_ES2015) */
|
|
|
|
uint32_t len;
|
|
if (bytecode_data_p->status_flags & CBC_CODE_FLAGS_UINT16_ARGUMENTS)
|
|
{
|
|
cbc_uint16_arguments_t *args_p = (cbc_uint16_arguments_t *) bytecode_data_p;
|
|
len = args_p->argument_end;
|
|
}
|
|
else
|
|
{
|
|
cbc_uint8_arguments_t *args_p = (cbc_uint8_arguments_t *) bytecode_data_p;
|
|
len = args_p->argument_end;
|
|
}
|
|
|
|
return ecma_make_uint32_value (len);
|
|
}
|
|
|
|
/* Get prototype physical property. */
|
|
property_p = ecma_op_function_try_to_lazy_instantiate_property (object_p, property_name_p);
|
|
}
|
|
else if (type == ECMA_OBJECT_TYPE_EXTERNAL_FUNCTION)
|
|
{
|
|
property_p = ecma_op_external_function_try_to_lazy_instantiate_property (object_p, property_name_p);
|
|
}
|
|
else if (type == ECMA_OBJECT_TYPE_BOUND_FUNCTION)
|
|
{
|
|
property_p = ecma_op_bound_function_try_to_lazy_instantiate_property (object_p, property_name_p);
|
|
}
|
|
|
|
if (property_p == NULL)
|
|
{
|
|
return ECMA_VALUE_NOT_FOUND;
|
|
}
|
|
}
|
|
|
|
ecma_property_value_t *prop_value_p = ECMA_PROPERTY_VALUE_PTR (property_p);
|
|
|
|
if (ECMA_PROPERTY_GET_TYPE (*property_p) == ECMA_PROPERTY_TYPE_NAMEDDATA)
|
|
{
|
|
return ecma_fast_copy_value (prop_value_p->value);
|
|
}
|
|
|
|
JERRY_ASSERT (ECMA_PROPERTY_GET_TYPE (*property_p) == ECMA_PROPERTY_TYPE_NAMEDACCESSOR);
|
|
|
|
ecma_getter_setter_pointers_t *get_set_pair_p = ecma_get_named_accessor_property (prop_value_p);
|
|
|
|
if (get_set_pair_p->getter_cp == JMEM_CP_NULL)
|
|
{
|
|
return ECMA_VALUE_UNDEFINED;
|
|
}
|
|
|
|
ecma_object_t *getter_p = ECMA_GET_NON_NULL_POINTER (ecma_object_t, get_set_pair_p->getter_cp);
|
|
|
|
return ecma_op_function_call (getter_p, base_value, NULL, 0);
|
|
} /* ecma_op_object_find_own */
|
|
|
|
/**
|
|
* Search the value corresponding to an uint32_t property index
|
|
*
|
|
* Note: this method falls back to the general ecma_op_object_find
|
|
*
|
|
* @return ecma value if property is found
|
|
* ECMA_VALUE_NOT_FOUND if property is not found
|
|
* Returned value must be freed with ecma_free_value
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_object_find_by_uint32_index (ecma_object_t *object_p, /**< the object */
|
|
uint32_t index) /**< property index */
|
|
{
|
|
if (JERRY_LIKELY (index <= ECMA_DIRECT_STRING_MAX_IMM))
|
|
{
|
|
return ecma_op_object_find (object_p, ECMA_CREATE_DIRECT_UINT32_STRING (index));
|
|
}
|
|
|
|
ecma_string_t *index_str_p = ecma_new_non_direct_string_from_uint32 (index);
|
|
ecma_value_t ret_value = ecma_op_object_find (object_p, index_str_p);
|
|
ecma_deref_ecma_string (index_str_p);
|
|
|
|
return ret_value;
|
|
} /* ecma_op_object_find_by_uint32_index */
|
|
|
|
/**
|
|
* Search the value corresponding to an ecma_number_t property index
|
|
*
|
|
* Note: this method falls back to the general ecma_op_object_find
|
|
*
|
|
* @return ecma value if property is found
|
|
* ECMA_VALUE_NOT_FOUND if property is not found
|
|
* Returned value must be freed with ecma_free_value
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_object_find_by_number_index (ecma_object_t *object_p, /**< the object */
|
|
ecma_number_t index) /**< property index */
|
|
{
|
|
ecma_string_t *index_str_p = ecma_new_ecma_string_from_number (index);
|
|
ecma_value_t ret_value = ecma_op_object_find (object_p, index_str_p);
|
|
ecma_deref_ecma_string (index_str_p);
|
|
|
|
return ret_value;
|
|
} /* ecma_op_object_find_by_number_index */
|
|
|
|
/**
|
|
* Search the value corresponding to a property name
|
|
*
|
|
* Note: search includes prototypes
|
|
*
|
|
* @return ecma value if property is found
|
|
* ECMA_VALUE_NOT_FOUND if property is not found
|
|
* Returned value must be freed with ecma_free_value
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_object_find (ecma_object_t *object_p, /**< the object */
|
|
ecma_string_t *property_name_p) /**< property name */
|
|
{
|
|
ecma_value_t base_value = ecma_make_object_value (object_p);
|
|
|
|
while (true)
|
|
{
|
|
ecma_value_t value = ecma_op_object_find_own (base_value, object_p, property_name_p);
|
|
|
|
if (ecma_is_value_found (value))
|
|
{
|
|
return value;
|
|
}
|
|
|
|
if (object_p->u2.prototype_cp == JMEM_CP_NULL)
|
|
{
|
|
break;
|
|
}
|
|
|
|
object_p = ECMA_GET_NON_NULL_POINTER (ecma_object_t, object_p->u2.prototype_cp);
|
|
}
|
|
|
|
return ECMA_VALUE_NOT_FOUND;
|
|
} /* ecma_op_object_find */
|
|
|
|
/**
|
|
* Get own property by name
|
|
*
|
|
* Note: property must be an existing data property
|
|
*
|
|
* @return ecma value
|
|
* Returned value must be freed with ecma_free_value
|
|
*/
|
|
inline ecma_value_t JERRY_ATTR_ALWAYS_INLINE
|
|
ecma_op_object_get_own_data_prop (ecma_object_t *object_p, /**< the object */
|
|
ecma_string_t *property_name_p) /**< property name */
|
|
{
|
|
JERRY_ASSERT (ecma_is_lexical_environment (object_p)
|
|
|| !ecma_op_object_is_fast_array (object_p));
|
|
|
|
ecma_value_t result = ecma_op_object_find_own (ecma_make_object_value (object_p),
|
|
object_p,
|
|
property_name_p);
|
|
|
|
#ifndef JERRY_NDEBUG
|
|
/* Because ecma_op_object_find_own might create a property
|
|
* this check is executed after the function return. */
|
|
ecma_property_t *property_p = ecma_find_named_property (object_p,
|
|
property_name_p);
|
|
|
|
JERRY_ASSERT (property_p != NULL
|
|
&& ECMA_PROPERTY_GET_TYPE (*property_p) == ECMA_PROPERTY_TYPE_NAMEDDATA
|
|
&& !ecma_is_property_configurable (*property_p));
|
|
#endif /* !JERRY_NDEBUG */
|
|
|
|
return result;
|
|
} /* ecma_op_object_get_own_data_prop */
|
|
|
|
/**
|
|
* [[Get]] operation of ecma object
|
|
*
|
|
* This function returns the value of a named property, or undefined
|
|
* if the property is not found in the prototype chain. If the property
|
|
* is an accessor, it calls the "get" callback function and returns
|
|
* with its result (including error throws).
|
|
*
|
|
* See also:
|
|
* ECMA-262 v5, 8.6.2; ECMA-262 v5, Table 8
|
|
*
|
|
* @return ecma value
|
|
* Returned value must be freed with ecma_free_value
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_object_get (ecma_object_t *object_p, /**< the object */
|
|
ecma_string_t *property_name_p) /**< property name */
|
|
{
|
|
ecma_value_t base_value = ecma_make_object_value (object_p);
|
|
|
|
while (true)
|
|
{
|
|
ecma_value_t value = ecma_op_object_find_own (base_value, object_p, property_name_p);
|
|
|
|
if (ecma_is_value_found (value))
|
|
{
|
|
return value;
|
|
}
|
|
|
|
if (object_p->u2.prototype_cp == JMEM_CP_NULL)
|
|
{
|
|
break;
|
|
}
|
|
|
|
object_p = ECMA_GET_NON_NULL_POINTER (ecma_object_t, object_p->u2.prototype_cp);
|
|
}
|
|
|
|
return ECMA_VALUE_UNDEFINED;
|
|
} /* ecma_op_object_get */
|
|
|
|
/**
|
|
* [[Get]] operation of ecma object with the specified receiver
|
|
*
|
|
* This function returns the value of a named property, or undefined
|
|
* if the property is not found in the prototype chain. If the property
|
|
* is an accessor, it calls the "get" callback function and returns
|
|
* with its result (including error throws).
|
|
*
|
|
* See also:
|
|
* ECMA-262 v5, 8.6.2; ECMA-262 v5, Table 8
|
|
*
|
|
* @return ecma value
|
|
* Returned value must be freed with ecma_free_value
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_object_get_with_receiver (ecma_object_t *object_p, /**< the object */
|
|
ecma_string_t *property_name_p, /**< property name */
|
|
ecma_value_t receiver) /**< receiver to invoke getter function */
|
|
{
|
|
while (true)
|
|
{
|
|
ecma_value_t value = ecma_op_object_find_own (receiver, object_p, property_name_p);
|
|
|
|
if (ecma_is_value_found (value))
|
|
{
|
|
return value;
|
|
}
|
|
|
|
if (object_p->u2.prototype_cp == JMEM_CP_NULL)
|
|
{
|
|
break;
|
|
}
|
|
|
|
object_p = ECMA_GET_NON_NULL_POINTER (ecma_object_t, object_p->u2.prototype_cp);
|
|
}
|
|
|
|
return ECMA_VALUE_UNDEFINED;
|
|
} /* ecma_op_object_get_with_receiver */
|
|
|
|
/**
|
|
* [[Get]] operation of ecma object specified for uint32_t property index
|
|
*
|
|
* @return ecma value
|
|
* Returned value must be freed with ecma_free_value
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_object_get_by_uint32_index (ecma_object_t *object_p, /**< the object */
|
|
uint32_t index) /**< property index */
|
|
{
|
|
if (JERRY_LIKELY (index <= ECMA_DIRECT_STRING_MAX_IMM))
|
|
{
|
|
return ecma_op_object_get (object_p, ECMA_CREATE_DIRECT_UINT32_STRING (index));
|
|
}
|
|
|
|
ecma_string_t *index_str_p = ecma_new_non_direct_string_from_uint32 (index);
|
|
ecma_value_t ret_value = ecma_op_object_get (object_p, index_str_p);
|
|
ecma_deref_ecma_string (index_str_p);
|
|
|
|
return ret_value;
|
|
} /* ecma_op_object_get_by_uint32_index */
|
|
|
|
/**
|
|
* Perform ToLength(O.[[Get]]("length")) operation
|
|
*
|
|
* The property is converted to uint32 during the operation
|
|
*
|
|
* @return ECMA_VALUE_ERROR - if there was any error during the operation
|
|
* ECMA_VALUE_EMPTY - otherwise
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_object_get_length (ecma_object_t *object_p, /**< the object */
|
|
uint32_t *length_p) /**< [out] length value converted to uint32 */
|
|
{
|
|
if (JERRY_LIKELY (ecma_get_object_type (object_p) == ECMA_OBJECT_TYPE_ARRAY))
|
|
{
|
|
*length_p = ecma_array_get_length (object_p);
|
|
return ECMA_VALUE_EMPTY;
|
|
}
|
|
|
|
#if ENABLED (JERRY_ES2015_BUILTIN_TYPEDARRAY)
|
|
if (ecma_object_is_typedarray (object_p))
|
|
{
|
|
*length_p = ecma_typedarray_get_length (object_p);
|
|
return ECMA_VALUE_EMPTY;
|
|
}
|
|
#endif /* ENABLED (JERRY_ES2015_BUILTIN_TYPEDARRAY) */
|
|
|
|
ecma_value_t len_value = ecma_op_object_get_by_magic_id (object_p, LIT_MAGIC_STRING_LENGTH);
|
|
ecma_value_t len_number = ecma_op_to_length (len_value, length_p);
|
|
ecma_free_value (len_value);
|
|
|
|
JERRY_ASSERT (ECMA_IS_VALUE_ERROR (len_number) || ecma_is_value_empty (len_number));
|
|
|
|
return len_number;
|
|
} /* ecma_op_object_get_length */
|
|
|
|
/**
|
|
* [[Get]] operation of ecma object where the property name is a magic string
|
|
*
|
|
* This function returns the value of a named property, or undefined
|
|
* if the property is not found in the prototype chain. If the property
|
|
* is an accessor, it calls the "get" callback function and returns
|
|
* with its result (including error throws).
|
|
*
|
|
* See also:
|
|
* ECMA-262 v5, 8.6.2; ECMA-262 v5, Table 8
|
|
*
|
|
* @return ecma value
|
|
* Returned value must be freed with ecma_free_value
|
|
*/
|
|
inline ecma_value_t JERRY_ATTR_ALWAYS_INLINE
|
|
ecma_op_object_get_by_magic_id (ecma_object_t *object_p, /**< the object */
|
|
lit_magic_string_id_t property_id) /**< property magic string id */
|
|
{
|
|
return ecma_op_object_get (object_p, ecma_get_magic_string (property_id));
|
|
} /* ecma_op_object_get_by_magic_id */
|
|
|
|
#if ENABLED (JERRY_ES2015)
|
|
/**
|
|
* [[Get]] a well-known symbol by the given property id
|
|
*
|
|
* @return pointer to the requested well-known symbol
|
|
*/
|
|
ecma_string_t *
|
|
ecma_op_get_global_symbol (lit_magic_string_id_t property_id) /**< property symbol id */
|
|
{
|
|
ecma_value_t symbol_value = ecma_op_object_get_by_magic_id (ecma_builtin_get (ECMA_BUILTIN_ID_INTRINSIC_OBJECT),
|
|
property_id);
|
|
JERRY_ASSERT (ecma_is_value_symbol (symbol_value));
|
|
|
|
return ecma_get_symbol_from_value (symbol_value);
|
|
} /* ecma_op_get_global_symbol */
|
|
|
|
/**
|
|
* [[Get]] operation of ecma object where the property is a well-known symbol
|
|
*
|
|
* @return ecma value
|
|
* Returned value must be freed with ecma_free_value
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_object_get_by_symbol_id (ecma_object_t *object_p, /**< the object */
|
|
lit_magic_string_id_t property_id) /**< property symbol id */
|
|
{
|
|
ecma_string_t *symbol_p = ecma_op_get_global_symbol (property_id);
|
|
ecma_value_t ret_value = ecma_op_object_get (object_p, symbol_p);
|
|
ecma_deref_ecma_string (symbol_p);
|
|
|
|
return ret_value;
|
|
} /* ecma_op_object_get_by_symbol_id */
|
|
|
|
/**
|
|
* GetMethod operation
|
|
*
|
|
* See also: ECMA-262 v6, 7.3.9
|
|
*
|
|
* Note:
|
|
* Returned value must be freed with ecma_free_value.
|
|
*
|
|
* @return iterator function object - if success
|
|
* raised error - otherwise
|
|
*/
|
|
static ecma_value_t
|
|
ecma_op_get_method (ecma_value_t value, /**< ecma value */
|
|
ecma_string_t *prop_name_p) /** property name */
|
|
{
|
|
/* 2. */
|
|
ecma_value_t obj_value = ecma_op_to_object (value);
|
|
|
|
if (ECMA_IS_VALUE_ERROR (obj_value))
|
|
{
|
|
return obj_value;
|
|
}
|
|
|
|
ecma_object_t *obj_p = ecma_get_object_from_value (obj_value);
|
|
ecma_value_t func;
|
|
|
|
func = ecma_op_object_get (obj_p, prop_name_p);
|
|
ecma_deref_object (obj_p);
|
|
|
|
/* 3. */
|
|
if (ECMA_IS_VALUE_ERROR (func))
|
|
{
|
|
return func;
|
|
}
|
|
|
|
/* 4. */
|
|
if (ecma_is_value_undefined (func) || ecma_is_value_null (func))
|
|
{
|
|
return ECMA_VALUE_UNDEFINED;
|
|
}
|
|
|
|
/* 5. */
|
|
if (!ecma_op_is_callable (func))
|
|
{
|
|
ecma_free_value (func);
|
|
return ecma_raise_type_error (ECMA_ERR_MSG ("Iterator is not callable."));
|
|
}
|
|
|
|
/* 6. */
|
|
return func;
|
|
} /* ecma_op_get_method */
|
|
|
|
/**
|
|
* GetMethod operation when the property is a well-known symbol
|
|
*
|
|
* See also: ECMA-262 v6, 7.3.9
|
|
*
|
|
* Note:
|
|
* Returned value must be freed with ecma_free_value.
|
|
*
|
|
* @return iterator function object - if success
|
|
* raised error - otherwise
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_get_method_by_symbol_id (ecma_value_t value, /**< ecma value */
|
|
lit_magic_string_id_t symbol_id) /**< property symbol id */
|
|
{
|
|
ecma_string_t *prop_name_p = ecma_op_get_global_symbol (symbol_id);
|
|
ecma_value_t ret_value = ecma_op_get_method (value, prop_name_p);
|
|
ecma_deref_ecma_string (prop_name_p);
|
|
|
|
return ret_value;
|
|
} /* ecma_op_get_method_by_symbol_id */
|
|
|
|
/**
|
|
* GetMethod operation when the property is a magic string
|
|
*
|
|
* See also: ECMA-262 v6, 7.3.9
|
|
*
|
|
* Note:
|
|
* Returned value must be freed with ecma_free_value.
|
|
*
|
|
* @return iterator function object - if success
|
|
* raised error - otherwise
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_get_method_by_magic_id (ecma_value_t value, /**< ecma value */
|
|
lit_magic_string_id_t magic_id) /**< property magic id */
|
|
{
|
|
return ecma_op_get_method (value, ecma_get_magic_string (magic_id));
|
|
} /* ecma_op_get_method_by_magic_id */
|
|
#endif /* ENABLED (JERRY_ES2015) */
|
|
|
|
/**
|
|
* [[Put]] ecma general object's operation specialized for uint32_ property index
|
|
*
|
|
* Note: This function falls back to the general ecma_op_object_put
|
|
*
|
|
* @return ecma value
|
|
* The returned value must be freed with ecma_free_value.
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_object_put_by_uint32_index (ecma_object_t *object_p, /**< the object */
|
|
uint32_t index, /**< property index */
|
|
ecma_value_t value, /**< ecma value */
|
|
bool is_throw) /**< flag that controls failure handling */
|
|
{
|
|
if (JERRY_LIKELY (index <= ECMA_DIRECT_STRING_MAX_IMM))
|
|
{
|
|
return ecma_op_object_put (object_p,
|
|
ECMA_CREATE_DIRECT_UINT32_STRING (index),
|
|
value,
|
|
is_throw);
|
|
}
|
|
|
|
ecma_string_t *index_str_p = ecma_new_non_direct_string_from_uint32 (index);
|
|
ecma_value_t ret_value = ecma_op_object_put (object_p, index_str_p, value, is_throw);
|
|
ecma_deref_ecma_string (index_str_p);
|
|
|
|
return ret_value;
|
|
} /* ecma_op_object_put_by_uint32_index */
|
|
|
|
/**
|
|
* [[Put]] ecma general object's operation specialized for ecma_number_ property index
|
|
*
|
|
* Note: This function falls back to the general ecma_op_object_put
|
|
*
|
|
* @return ecma value
|
|
* The returned value must be freed with ecma_free_value.
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_object_put_by_number_index (ecma_object_t *object_p, /**< the object */
|
|
ecma_number_t index, /**< property index */
|
|
ecma_value_t value, /**< ecma value */
|
|
bool is_throw) /**< flag that controls failure handling */
|
|
{
|
|
ecma_string_t *index_str_p = ecma_new_ecma_string_from_number (index);
|
|
ecma_value_t ret_value = ecma_op_object_put (object_p, index_str_p, value, is_throw);
|
|
ecma_deref_ecma_string (index_str_p);
|
|
|
|
return ret_value;
|
|
} /* ecma_op_object_put_by_number_index */
|
|
|
|
/**
|
|
* [[Put]] ecma general object's operation
|
|
*
|
|
* See also:
|
|
* ECMA-262 v5, 8.6.2; ECMA-262 v5, Table 8
|
|
* ECMA-262 v5, 8.12.5
|
|
* Also incorporates [[CanPut]] ECMA-262 v5, 8.12.4
|
|
*
|
|
* @return ecma value
|
|
* The returned value must be freed with ecma_free_value.
|
|
*
|
|
* Returns with ECMA_VALUE_TRUE if the operation is
|
|
* successful. Otherwise it returns with an error object
|
|
* or ECMA_VALUE_FALSE.
|
|
*
|
|
* Note: even if is_throw is false, the setter can throw an
|
|
* error, and this function returns with that error.
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_object_put (ecma_object_t *object_p, /**< the object */
|
|
ecma_string_t *property_name_p, /**< property name */
|
|
ecma_value_t value, /**< ecma value */
|
|
bool is_throw) /**< flag that controls failure handling */
|
|
{
|
|
JERRY_ASSERT (object_p != NULL
|
|
&& !ecma_is_lexical_environment (object_p));
|
|
JERRY_ASSERT (property_name_p != NULL);
|
|
|
|
ecma_object_type_t type = ecma_get_object_type (object_p);
|
|
|
|
switch (type)
|
|
{
|
|
case ECMA_OBJECT_TYPE_ARRAY:
|
|
{
|
|
ecma_extended_object_t *ext_object_p = (ecma_extended_object_t *) object_p;
|
|
|
|
if (ecma_string_is_length (property_name_p))
|
|
{
|
|
if (ecma_is_property_writable (ext_object_p->u.array.u.length_prop))
|
|
{
|
|
return ecma_op_array_object_set_length (object_p, value, 0);
|
|
}
|
|
|
|
return ecma_reject (is_throw);
|
|
}
|
|
|
|
if (JERRY_LIKELY (ecma_op_array_is_fast_array (ext_object_p)))
|
|
{
|
|
if (JERRY_UNLIKELY (!ecma_get_object_extensible (object_p)))
|
|
{
|
|
return ecma_reject (is_throw);
|
|
}
|
|
|
|
uint32_t index = ecma_string_get_array_index (property_name_p);
|
|
|
|
if (JERRY_UNLIKELY (index == ECMA_STRING_NOT_ARRAY_INDEX))
|
|
{
|
|
ecma_fast_array_convert_to_normal (object_p);
|
|
}
|
|
else if (ecma_fast_array_set_property (object_p, index, value))
|
|
{
|
|
return ECMA_VALUE_TRUE;
|
|
}
|
|
}
|
|
|
|
JERRY_ASSERT (!ecma_op_object_is_fast_array (object_p));
|
|
|
|
break;
|
|
}
|
|
case ECMA_OBJECT_TYPE_PSEUDO_ARRAY:
|
|
{
|
|
ecma_extended_object_t *ext_object_p = (ecma_extended_object_t *) object_p;
|
|
|
|
if (ext_object_p->u.pseudo_array.type == ECMA_PSEUDO_ARRAY_ARGUMENTS)
|
|
{
|
|
uint32_t index = ecma_string_get_array_index (property_name_p);
|
|
|
|
if (index != ECMA_STRING_NOT_ARRAY_INDEX
|
|
&& index < ext_object_p->u.pseudo_array.u1.length)
|
|
{
|
|
ecma_value_t *arg_Literal_p = (ecma_value_t *) (ext_object_p + 1);
|
|
|
|
if (arg_Literal_p[index] != ECMA_VALUE_EMPTY)
|
|
{
|
|
ecma_string_t *arg_name_p = ecma_get_string_from_value (arg_Literal_p[index]);
|
|
|
|
ecma_object_t *lex_env_p = ECMA_GET_INTERNAL_VALUE_POINTER (ecma_object_t,
|
|
ext_object_p->u.pseudo_array.u2.lex_env_cp);
|
|
|
|
JERRY_ASSERT (lex_env_p != NULL
|
|
&& ecma_is_lexical_environment (lex_env_p));
|
|
|
|
ecma_op_set_mutable_binding (lex_env_p, arg_name_p, value, true);
|
|
return ECMA_VALUE_TRUE;
|
|
}
|
|
}
|
|
}
|
|
#if ENABLED (JERRY_ES2015_BUILTIN_TYPEDARRAY)
|
|
/* ES2015 9.4.5.5 */
|
|
if (ecma_object_is_typedarray (object_p))
|
|
{
|
|
#if ENABLED (JERRY_ES2015)
|
|
if (ecma_prop_name_is_symbol (property_name_p))
|
|
{
|
|
break;
|
|
}
|
|
#endif /* ENABLED (JERRY_ES2015) */
|
|
|
|
uint32_t array_index = ecma_string_get_array_index (property_name_p);
|
|
|
|
if (array_index != ECMA_STRING_NOT_ARRAY_INDEX)
|
|
{
|
|
ecma_number_t num_var;
|
|
ecma_value_t error = ecma_get_number (value, &num_var);
|
|
|
|
if (ECMA_IS_VALUE_ERROR (error))
|
|
{
|
|
jcontext_release_exception ();
|
|
return ecma_reject (is_throw);
|
|
}
|
|
|
|
ecma_typedarray_info_t info = ecma_typedarray_get_info (object_p);
|
|
|
|
if (array_index >= info.length)
|
|
{
|
|
return ecma_reject (is_throw);
|
|
}
|
|
|
|
ecma_length_t byte_pos = array_index << info.shift;
|
|
ecma_set_typedarray_element (info.buffer_p + byte_pos, num_var, info.id);
|
|
|
|
return ECMA_VALUE_TRUE;
|
|
}
|
|
|
|
ecma_number_t num = ecma_string_to_number (property_name_p);
|
|
ecma_string_t *num_to_str = ecma_new_ecma_string_from_number (num);
|
|
|
|
if (ecma_compare_ecma_strings (property_name_p, num_to_str))
|
|
{
|
|
ecma_deref_ecma_string (num_to_str);
|
|
|
|
return ecma_reject (is_throw);
|
|
}
|
|
|
|
ecma_deref_ecma_string (num_to_str);
|
|
}
|
|
#endif /* ENABLED (JERRY_ES2015_BUILTIN_TYPEDARRAY) */
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
ecma_property_t *property_p = ecma_find_named_property (object_p, property_name_p);
|
|
|
|
if (property_p == NULL)
|
|
{
|
|
if (type == ECMA_OBJECT_TYPE_CLASS)
|
|
{
|
|
ecma_extended_object_t *ext_object_p = (ecma_extended_object_t *) object_p;
|
|
|
|
if (ext_object_p->u.class_prop.class_id == LIT_MAGIC_STRING_STRING_UL)
|
|
{
|
|
uint32_t index = ecma_string_get_array_index (property_name_p);
|
|
|
|
if (index != ECMA_STRING_NOT_ARRAY_INDEX)
|
|
{
|
|
ecma_value_t prim_value_p = ext_object_p->u.class_prop.u.value;
|
|
ecma_string_t *prim_value_str_p = ecma_get_string_from_value (prim_value_p);
|
|
|
|
if (index < ecma_string_get_length (prim_value_str_p))
|
|
{
|
|
return ecma_reject (is_throw);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (ecma_get_object_is_builtin (object_p))
|
|
{
|
|
property_p = ecma_builtin_try_to_instantiate_property (object_p, property_name_p);
|
|
}
|
|
else if (ecma_is_normal_or_arrow_function (type))
|
|
{
|
|
if (ecma_string_is_length (property_name_p))
|
|
{
|
|
return ecma_reject (is_throw);
|
|
}
|
|
|
|
/* Get prototype physical property. */
|
|
property_p = ecma_op_function_try_to_lazy_instantiate_property (object_p, property_name_p);
|
|
}
|
|
else if (type == ECMA_OBJECT_TYPE_EXTERNAL_FUNCTION)
|
|
{
|
|
property_p = ecma_op_external_function_try_to_lazy_instantiate_property (object_p, property_name_p);
|
|
}
|
|
else if (type == ECMA_OBJECT_TYPE_BOUND_FUNCTION)
|
|
{
|
|
property_p = ecma_op_bound_function_try_to_lazy_instantiate_property (object_p, property_name_p);
|
|
}
|
|
}
|
|
|
|
jmem_cpointer_t setter_cp = JMEM_CP_NULL;
|
|
|
|
if (property_p != NULL)
|
|
{
|
|
if (ECMA_PROPERTY_GET_TYPE (*property_p) == ECMA_PROPERTY_TYPE_NAMEDDATA)
|
|
{
|
|
if (ecma_is_property_writable (*property_p))
|
|
{
|
|
/* There is no need for special casing arrays here because changing the
|
|
* value of an existing property never changes the length of an array. */
|
|
ecma_named_data_property_assign_value (object_p,
|
|
ECMA_PROPERTY_VALUE_PTR (property_p),
|
|
value);
|
|
return ECMA_VALUE_TRUE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
JERRY_ASSERT (ECMA_PROPERTY_GET_TYPE (*property_p) == ECMA_PROPERTY_TYPE_NAMEDACCESSOR);
|
|
|
|
ecma_getter_setter_pointers_t *get_set_pair_p;
|
|
get_set_pair_p = ecma_get_named_accessor_property (ECMA_PROPERTY_VALUE_PTR (property_p));
|
|
setter_cp = get_set_pair_p->setter_cp;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
bool create_new_property = true;
|
|
|
|
if (object_p->u2.prototype_cp != JMEM_CP_NULL)
|
|
{
|
|
ecma_property_ref_t property_ref = { NULL };
|
|
ecma_object_t *proto_p = ECMA_GET_NON_NULL_POINTER (ecma_object_t, object_p->u2.prototype_cp);
|
|
|
|
ecma_property_t inherited_property = ecma_op_object_get_property (proto_p,
|
|
property_name_p,
|
|
&property_ref,
|
|
ECMA_PROPERTY_GET_NO_OPTIONS);
|
|
|
|
if (inherited_property != ECMA_PROPERTY_TYPE_NOT_FOUND)
|
|
{
|
|
if (ECMA_PROPERTY_GET_TYPE (inherited_property) == ECMA_PROPERTY_TYPE_NAMEDACCESSOR)
|
|
{
|
|
setter_cp = ecma_get_named_accessor_property (property_ref.value_p)->setter_cp;
|
|
create_new_property = false;
|
|
}
|
|
else
|
|
{
|
|
create_new_property = ecma_is_property_writable (inherited_property);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (create_new_property
|
|
&& ecma_get_object_extensible (object_p))
|
|
{
|
|
const ecma_object_type_t obj_type = ecma_get_object_type (object_p);
|
|
|
|
if (obj_type == ECMA_OBJECT_TYPE_PSEUDO_ARRAY)
|
|
{
|
|
ecma_extended_object_t *ext_object_p = (ecma_extended_object_t *) object_p;
|
|
|
|
if (ext_object_p->u.pseudo_array.type == ECMA_PSEUDO_ARRAY_ARGUMENTS)
|
|
{
|
|
return ecma_builtin_helper_def_prop (object_p,
|
|
property_name_p,
|
|
value,
|
|
ECMA_PROPERTY_CONFIGURABLE_ENUMERABLE_WRITABLE | ECMA_IS_THROW);
|
|
}
|
|
}
|
|
|
|
uint32_t index = ecma_string_get_array_index (property_name_p);
|
|
|
|
if (obj_type == ECMA_OBJECT_TYPE_ARRAY
|
|
&& index != ECMA_STRING_NOT_ARRAY_INDEX)
|
|
{
|
|
ecma_extended_object_t *ext_object_p = (ecma_extended_object_t *) object_p;
|
|
|
|
if (index < UINT32_MAX
|
|
&& index >= ext_object_p->u.array.length)
|
|
{
|
|
if (!ecma_is_property_writable (ext_object_p->u.array.u.length_prop))
|
|
{
|
|
return ecma_reject (is_throw);
|
|
}
|
|
|
|
ext_object_p->u.array.length = index + 1;
|
|
}
|
|
}
|
|
|
|
ecma_property_value_t *new_prop_value_p;
|
|
new_prop_value_p = ecma_create_named_data_property (object_p,
|
|
property_name_p,
|
|
ECMA_PROPERTY_CONFIGURABLE_ENUMERABLE_WRITABLE,
|
|
NULL);
|
|
|
|
JERRY_ASSERT (ecma_is_value_undefined (new_prop_value_p->value));
|
|
new_prop_value_p->value = ecma_copy_value_if_not_object (value);
|
|
return ECMA_VALUE_TRUE;
|
|
}
|
|
}
|
|
|
|
if (setter_cp == JMEM_CP_NULL)
|
|
{
|
|
return ecma_reject (is_throw);
|
|
}
|
|
|
|
ecma_value_t ret_value = ecma_op_function_call (ECMA_GET_NON_NULL_POINTER (ecma_object_t, setter_cp),
|
|
ecma_make_object_value (object_p),
|
|
&value,
|
|
1);
|
|
|
|
if (!ECMA_IS_VALUE_ERROR (ret_value))
|
|
{
|
|
ecma_fast_free_value (ret_value);
|
|
ret_value = ECMA_VALUE_TRUE;
|
|
}
|
|
|
|
return ret_value;
|
|
} /* ecma_op_object_put */
|
|
|
|
/**
|
|
* [[Delete]] ecma object's operation specialized for uint32_t property index
|
|
*
|
|
* Note:
|
|
* This method falls back to the general ecma_op_object_delete
|
|
*
|
|
* @return true - if deleted successfully
|
|
* false - or type error otherwise (based in 'is_throw')
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_object_delete_by_uint32_index (ecma_object_t *obj_p, /**< the object */
|
|
uint32_t index, /**< property index */
|
|
bool is_throw) /**< flag that controls failure handling */
|
|
{
|
|
if (JERRY_LIKELY (index <= ECMA_DIRECT_STRING_MAX_IMM))
|
|
{
|
|
return ecma_op_object_delete (obj_p, ECMA_CREATE_DIRECT_UINT32_STRING (index), is_throw);
|
|
}
|
|
|
|
ecma_string_t *index_str_p = ecma_new_non_direct_string_from_uint32 (index);
|
|
ecma_value_t ret_value = ecma_op_object_delete (obj_p, index_str_p, is_throw);
|
|
ecma_deref_ecma_string (index_str_p);
|
|
|
|
return ret_value;
|
|
} /* ecma_op_object_delete_by_uint32_index */
|
|
|
|
/**
|
|
* [[Delete]] ecma object's operation specialized for ecma_number_t property index
|
|
*
|
|
* Note:
|
|
* This method falls back to the general ecma_op_object_delete
|
|
*
|
|
* @return true - if deleted successfully
|
|
* false - or type error otherwise (based in 'is_throw')
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_object_delete_by_number_index (ecma_object_t *obj_p, /**< the object */
|
|
ecma_number_t index, /**< property index */
|
|
bool is_throw) /**< flag that controls failure handling */
|
|
{
|
|
ecma_string_t *index_str_p = ecma_new_ecma_string_from_number (index);
|
|
ecma_value_t ret_value = ecma_op_object_delete (obj_p, index_str_p, is_throw);
|
|
ecma_deref_ecma_string (index_str_p);
|
|
|
|
return ret_value;
|
|
} /* ecma_op_object_delete_by_number_index */
|
|
|
|
/**
|
|
* [[Delete]] ecma object's operation
|
|
*
|
|
* See also:
|
|
* ECMA-262 v5, 8.6.2; ECMA-262 v5, Table 8
|
|
*
|
|
* Note:
|
|
* returned value must be freed with ecma_free_value
|
|
*
|
|
* @return true - if deleted successfully
|
|
* false - or type error otherwise (based in 'is_throw')
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_object_delete (ecma_object_t *obj_p, /**< the object */
|
|
ecma_string_t *property_name_p, /**< property name */
|
|
bool is_throw) /**< flag that controls failure handling */
|
|
{
|
|
JERRY_ASSERT (obj_p != NULL
|
|
&& !ecma_is_lexical_environment (obj_p));
|
|
JERRY_ASSERT (property_name_p != NULL);
|
|
|
|
if (ecma_get_object_type (obj_p) == ECMA_OBJECT_TYPE_PSEUDO_ARRAY)
|
|
{
|
|
ecma_extended_object_t *ext_object_p = (ecma_extended_object_t *) obj_p;
|
|
|
|
if (ext_object_p->u.pseudo_array.type == ECMA_PSEUDO_ARRAY_ARGUMENTS)
|
|
{
|
|
return ecma_op_arguments_object_delete (obj_p,
|
|
property_name_p,
|
|
is_throw);
|
|
}
|
|
}
|
|
|
|
JERRY_ASSERT_OBJECT_TYPE_IS_VALID (ecma_get_object_type (obj_p));
|
|
|
|
return ecma_op_general_object_delete (obj_p,
|
|
property_name_p,
|
|
is_throw);
|
|
} /* ecma_op_object_delete */
|
|
|
|
/**
|
|
* [[DefaultValue]] ecma object's operation
|
|
*
|
|
* See also:
|
|
* ECMA-262 v5, 8.6.2; ECMA-262 v5, Table 8
|
|
*
|
|
* @return ecma value
|
|
* Returned value must be freed with ecma_free_value
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_object_default_value (ecma_object_t *obj_p, /**< the object */
|
|
ecma_preferred_type_hint_t hint) /**< hint on preferred result type */
|
|
{
|
|
JERRY_ASSERT (obj_p != NULL
|
|
&& !ecma_is_lexical_environment (obj_p));
|
|
|
|
JERRY_ASSERT_OBJECT_TYPE_IS_VALID (ecma_get_object_type (obj_p));
|
|
|
|
/*
|
|
* typedef ecma_property_t * (*default_value_ptr_t) (ecma_object_t *, ecma_string_t *);
|
|
* static const default_value_ptr_t default_value [ECMA_OBJECT_TYPE__COUNT] =
|
|
* {
|
|
* [ECMA_OBJECT_TYPE_GENERAL] = &ecma_op_general_object_default_value,
|
|
* [ECMA_OBJECT_TYPE_CLASS] = &ecma_op_general_object_default_value,
|
|
* [ECMA_OBJECT_TYPE_FUNCTION] = &ecma_op_general_object_default_value,
|
|
* [ECMA_OBJECT_TYPE_EXTERNAL_FUNCTION] = &ecma_op_general_object_default_value,
|
|
* [ECMA_OBJECT_TYPE_ARRAY] = &ecma_op_general_object_default_value,
|
|
* [ECMA_OBJECT_TYPE_BOUND_FUNCTION] = &ecma_op_general_object_default_value,
|
|
* [ECMA_OBJECT_TYPE_PSEUDO_ARRAY] = &ecma_op_general_object_default_value
|
|
* [ECMA_OBJECT_TYPE_ARROW_FUNCTION] = &ecma_op_general_object_default_value
|
|
* };
|
|
*
|
|
* return default_value[type] (obj_p, property_name_p);
|
|
*/
|
|
|
|
return ecma_op_general_object_default_value (obj_p, hint);
|
|
} /* ecma_op_object_default_value */
|
|
|
|
/**
|
|
* [[DefineOwnProperty]] ecma object's operation
|
|
*
|
|
* See also:
|
|
* ECMA-262 v5, 8.6.2; ECMA-262 v5, Table 8
|
|
*
|
|
* @return ecma value
|
|
* Returned value must be freed with ecma_free_value
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_object_define_own_property (ecma_object_t *obj_p, /**< the object */
|
|
ecma_string_t *property_name_p, /**< property name */
|
|
const ecma_property_descriptor_t *property_desc_p) /**< property
|
|
* descriptor */
|
|
{
|
|
JERRY_ASSERT (obj_p != NULL
|
|
&& !ecma_is_lexical_environment (obj_p));
|
|
JERRY_ASSERT (property_name_p != NULL);
|
|
|
|
const ecma_object_type_t type = ecma_get_object_type (obj_p);
|
|
|
|
switch (type)
|
|
{
|
|
case ECMA_OBJECT_TYPE_GENERAL:
|
|
case ECMA_OBJECT_TYPE_CLASS:
|
|
case ECMA_OBJECT_TYPE_FUNCTION:
|
|
#if ENABLED (JERRY_ES2015)
|
|
case ECMA_OBJECT_TYPE_ARROW_FUNCTION:
|
|
#endif /* ENABLED (JERRY_ES2015) */
|
|
case ECMA_OBJECT_TYPE_EXTERNAL_FUNCTION:
|
|
case ECMA_OBJECT_TYPE_BOUND_FUNCTION:
|
|
{
|
|
return ecma_op_general_object_define_own_property (obj_p,
|
|
property_name_p,
|
|
property_desc_p);
|
|
}
|
|
|
|
case ECMA_OBJECT_TYPE_ARRAY:
|
|
{
|
|
return ecma_op_array_object_define_own_property (obj_p,
|
|
property_name_p,
|
|
property_desc_p);
|
|
}
|
|
|
|
default:
|
|
{
|
|
JERRY_ASSERT (type == ECMA_OBJECT_TYPE_PSEUDO_ARRAY);
|
|
|
|
ecma_extended_object_t *ext_object_p = (ecma_extended_object_t *) obj_p;
|
|
|
|
#if ENABLED (JERRY_ES2015_BUILTIN_TYPEDARRAY)
|
|
if (ext_object_p->u.pseudo_array.type == ECMA_PSEUDO_ARRAY_ARGUMENTS)
|
|
{
|
|
#else /* !ENABLED (JERRY_ES2015_BUILTIN_TYPEDARRAY) */
|
|
JERRY_ASSERT (ext_object_p->u.pseudo_array.type == ECMA_PSEUDO_ARRAY_ARGUMENTS);
|
|
#endif /* ENABLED (JERRY_ES2015_BUILTIN_TYPEDARRAY) */
|
|
return ecma_op_arguments_object_define_own_property (obj_p,
|
|
property_name_p,
|
|
property_desc_p);
|
|
#if ENABLED (JERRY_ES2015_BUILTIN_TYPEDARRAY)
|
|
}
|
|
/* ES2015 9.4.5.3 */
|
|
if (ecma_object_is_typedarray (obj_p))
|
|
{
|
|
#if ENABLED (JERRY_ES2015)
|
|
if (ecma_prop_name_is_symbol (property_name_p))
|
|
{
|
|
return ecma_op_general_object_define_own_property (obj_p,
|
|
property_name_p,
|
|
property_desc_p);
|
|
}
|
|
#endif /* ENABLED (JERRY_ES2015) */
|
|
uint32_t array_index = ecma_string_get_array_index (property_name_p);
|
|
|
|
if (array_index != ECMA_STRING_NOT_ARRAY_INDEX)
|
|
{
|
|
bool define_status = ecma_op_typedarray_define_index_prop (obj_p,
|
|
array_index,
|
|
property_desc_p);
|
|
|
|
if (define_status)
|
|
{
|
|
return ECMA_VALUE_TRUE;
|
|
}
|
|
|
|
return ecma_reject (property_desc_p->flags & ECMA_PROP_IS_THROW);
|
|
}
|
|
|
|
ecma_number_t num = ecma_string_to_number (property_name_p);
|
|
ecma_string_t *num_to_str = ecma_new_ecma_string_from_number (num);
|
|
|
|
if (ecma_compare_ecma_strings (property_name_p, num_to_str))
|
|
{
|
|
ecma_deref_ecma_string (num_to_str);
|
|
|
|
return ecma_reject (property_desc_p->flags & ECMA_PROP_IS_THROW);
|
|
}
|
|
|
|
ecma_deref_ecma_string (num_to_str);
|
|
}
|
|
|
|
return ecma_op_general_object_define_own_property (obj_p,
|
|
property_name_p,
|
|
property_desc_p);
|
|
#else /* !ENABLED (JERRY_ES2015_BUILTIN_TYPEDARRAY) */
|
|
break;
|
|
#endif /* ENABLED (JERRY_ES2015_BUILTIN_TYPEDARRAY) */
|
|
}
|
|
}
|
|
} /* ecma_op_object_define_own_property */
|
|
|
|
/**
|
|
* Get property descriptor from specified property
|
|
*
|
|
* depending on the property type the following fields are set:
|
|
* - for named data properties: { [Value], [Writable], [Enumerable], [Configurable] };
|
|
* - for named accessor properties: { [Get] - if defined,
|
|
* [Set] - if defined,
|
|
* [Enumerable], [Configurable]
|
|
* }.
|
|
*
|
|
* @return true - if property found
|
|
* false - otherwise
|
|
*/
|
|
bool
|
|
ecma_op_object_get_own_property_descriptor (ecma_object_t *object_p, /**< the object */
|
|
ecma_string_t *property_name_p, /**< property name */
|
|
ecma_property_descriptor_t *prop_desc_p) /**< property descriptor */
|
|
{
|
|
ecma_property_ref_t property_ref;
|
|
|
|
ecma_property_t property = ecma_op_object_get_own_property (object_p,
|
|
property_name_p,
|
|
&property_ref,
|
|
ECMA_PROPERTY_GET_VALUE);
|
|
|
|
if (property == ECMA_PROPERTY_TYPE_NOT_FOUND || property == ECMA_PROPERTY_TYPE_NOT_FOUND_AND_STOP)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
*prop_desc_p = ecma_make_empty_property_descriptor ();
|
|
|
|
uint32_t flags = ecma_is_property_enumerable (property) ? ECMA_PROP_IS_ENUMERABLE : ECMA_PROP_NO_OPTS;
|
|
flags |= ecma_is_property_configurable (property) ? ECMA_PROP_IS_CONFIGURABLE: ECMA_PROP_NO_OPTS;
|
|
|
|
prop_desc_p->flags = (uint16_t) (ECMA_PROP_IS_ENUMERABLE_DEFINED | ECMA_PROP_IS_CONFIGURABLE_DEFINED | flags);
|
|
|
|
ecma_property_types_t type = ECMA_PROPERTY_GET_TYPE (property);
|
|
|
|
if (type != ECMA_PROPERTY_TYPE_NAMEDACCESSOR)
|
|
{
|
|
if (type == ECMA_PROPERTY_TYPE_NAMEDDATA)
|
|
{
|
|
prop_desc_p->value = ecma_copy_value (property_ref.value_p->value);
|
|
}
|
|
else
|
|
{
|
|
JERRY_ASSERT (type == ECMA_PROPERTY_TYPE_VIRTUAL);
|
|
prop_desc_p->value = property_ref.virtual_value;
|
|
}
|
|
|
|
prop_desc_p->flags |= (ECMA_PROP_IS_VALUE_DEFINED | ECMA_PROP_IS_WRITABLE_DEFINED);
|
|
prop_desc_p->flags = (uint16_t) (prop_desc_p->flags | (ecma_is_property_writable (property) ? ECMA_PROP_IS_WRITABLE
|
|
: ECMA_PROP_NO_OPTS));
|
|
}
|
|
else
|
|
{
|
|
|
|
ecma_getter_setter_pointers_t *get_set_pair_p = ecma_get_named_accessor_property (property_ref.value_p);
|
|
prop_desc_p->flags |= (ECMA_PROP_IS_GET_DEFINED | ECMA_PROP_IS_SET_DEFINED);
|
|
|
|
if (get_set_pair_p->getter_cp == JMEM_CP_NULL)
|
|
{
|
|
prop_desc_p->get_p = NULL;
|
|
}
|
|
else
|
|
{
|
|
prop_desc_p->get_p = ECMA_GET_NON_NULL_POINTER (ecma_object_t, get_set_pair_p->getter_cp);
|
|
ecma_ref_object (prop_desc_p->get_p);
|
|
}
|
|
|
|
if (get_set_pair_p->setter_cp == JMEM_CP_NULL)
|
|
{
|
|
prop_desc_p->set_p = NULL;
|
|
}
|
|
else
|
|
{
|
|
prop_desc_p->set_p = ECMA_GET_NON_NULL_POINTER (ecma_object_t, get_set_pair_p->setter_cp);
|
|
ecma_ref_object (prop_desc_p->set_p);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
} /* ecma_op_object_get_own_property_descriptor */
|
|
|
|
/**
|
|
* [[HasInstance]] ecma object's operation
|
|
*
|
|
* See also:
|
|
* ECMA-262 v5, 8.6.2; ECMA-262 v5, Table 9
|
|
*
|
|
* @return ecma value containing a boolean value or an error
|
|
* Returned value must be freed with ecma_free_value
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_object_has_instance (ecma_object_t *obj_p, /**< the object */
|
|
ecma_value_t value) /**< argument 'V' */
|
|
{
|
|
JERRY_ASSERT (obj_p != NULL
|
|
&& !ecma_is_lexical_environment (obj_p));
|
|
|
|
const ecma_object_type_t type = ecma_get_object_type (obj_p);
|
|
|
|
if (ecma_is_normal_or_arrow_function (type)
|
|
|| type == ECMA_OBJECT_TYPE_EXTERNAL_FUNCTION
|
|
|| type == ECMA_OBJECT_TYPE_BOUND_FUNCTION)
|
|
{
|
|
return ecma_op_function_has_instance (obj_p, value);
|
|
}
|
|
|
|
JERRY_ASSERT_OBJECT_TYPE_IS_VALID (type);
|
|
|
|
return ecma_raise_type_error (ECMA_ERR_MSG ("Expected a function object."));
|
|
} /* ecma_op_object_has_instance */
|
|
|
|
/**
|
|
* Object's isPrototypeOf operation
|
|
*
|
|
* See also:
|
|
* ECMA-262 v5, 15.2.4.6; 3
|
|
*
|
|
* @return true - if the target object is prototype of the base object
|
|
* false - if the target object is not prototype of the base object
|
|
*/
|
|
bool
|
|
ecma_op_object_is_prototype_of (ecma_object_t *base_p, /**< base object */
|
|
ecma_object_t *target_p) /**< target object */
|
|
{
|
|
do
|
|
{
|
|
jmem_cpointer_t target_cp = target_p->u2.prototype_cp;
|
|
|
|
if (target_cp == JMEM_CP_NULL)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
target_p = ECMA_GET_NON_NULL_POINTER (ecma_object_t, target_cp);
|
|
|
|
if (target_p == base_p)
|
|
{
|
|
return true;
|
|
}
|
|
} while (true);
|
|
} /* ecma_op_object_is_prototype_of */
|
|
|
|
/**
|
|
* Get collection of property names
|
|
*
|
|
* Order of names in the collection:
|
|
* - integer indices in ascending order
|
|
* - other indices in creation order (for built-ins: the order of the properties are listed in specification).
|
|
*
|
|
* Note:
|
|
* Implementation of the routine assumes that new properties are appended to beginning of corresponding object's
|
|
* property list, and the list is not reordered (in other words, properties are stored in order that is reversed
|
|
* to the properties' addition order).
|
|
*
|
|
* @return collection of strings - property names
|
|
*/
|
|
ecma_collection_t *
|
|
ecma_op_object_get_property_names (ecma_object_t *obj_p, /**< object */
|
|
uint32_t opts) /**< any combination of ecma_list_properties_options_t values */
|
|
{
|
|
JERRY_ASSERT (obj_p != NULL
|
|
&& !ecma_is_lexical_environment (obj_p));
|
|
|
|
if (ecma_op_object_is_fast_array (obj_p))
|
|
{
|
|
return ecma_fast_array_get_property_names (obj_p, opts);
|
|
}
|
|
|
|
ecma_collection_t *ret_p = ecma_new_collection ();
|
|
ecma_collection_t *skipped_non_enumerable_p = ecma_new_collection ();
|
|
|
|
const ecma_object_type_t type = ecma_get_object_type (obj_p);
|
|
const bool obj_is_builtin = ecma_get_object_is_builtin (obj_p);
|
|
const bool is_enumerable_only = (opts & ECMA_LIST_ENUMERABLE) != 0;
|
|
const bool is_array_indices_only = (opts & ECMA_LIST_ARRAY_INDICES) != 0;
|
|
const bool is_with_prototype_chain = (opts & ECMA_LIST_PROTOTYPE) != 0;
|
|
#if ENABLED (JERRY_ES2015)
|
|
const bool is_symbols_only = (opts & ECMA_LIST_SYMBOLS) != 0;
|
|
#endif /* ENABLED (JERRY_ES2015) */
|
|
|
|
const size_t bitmap_row_size = sizeof (uint32_t) * JERRY_BITSINBYTE;
|
|
const size_t names_hashes_bitmap_size = ECMA_OBJECT_HASH_BITMAP_SIZE / bitmap_row_size;
|
|
JERRY_VLA (uint32_t, names_hashes_bitmap, names_hashes_bitmap_size);
|
|
|
|
memset (names_hashes_bitmap, 0, names_hashes_bitmap_size * sizeof (names_hashes_bitmap[0]));
|
|
|
|
ecma_object_t *prototype_chain_iter_p = obj_p;
|
|
|
|
while (true)
|
|
{
|
|
ecma_length_t string_named_properties_count = 0;
|
|
ecma_length_t array_index_named_properties_count = 0;
|
|
|
|
ecma_collection_t *prop_names_p = ecma_new_collection ();
|
|
|
|
#if ENABLED (JERRY_ES2015)
|
|
if (JERRY_LIKELY (!is_symbols_only))
|
|
{
|
|
#endif /* ENABLED (JERRY_ES2015) */
|
|
|
|
if (obj_is_builtin)
|
|
{
|
|
ecma_builtin_list_lazy_property_names (obj_p,
|
|
is_enumerable_only,
|
|
prop_names_p,
|
|
skipped_non_enumerable_p);
|
|
}
|
|
else
|
|
{
|
|
switch (type)
|
|
{
|
|
case ECMA_OBJECT_TYPE_PSEUDO_ARRAY:
|
|
{
|
|
#if ENABLED (JERRY_ES2015_BUILTIN_TYPEDARRAY)
|
|
if (ecma_object_is_typedarray (obj_p))
|
|
{
|
|
ecma_op_typedarray_list_lazy_property_names (obj_p, prop_names_p);
|
|
}
|
|
#endif /* ENABLED (JERRY_ES2015_BUILTIN_TYPEDARRAY) */
|
|
break;
|
|
}
|
|
case ECMA_OBJECT_TYPE_FUNCTION:
|
|
#if ENABLED (JERRY_ES2015)
|
|
case ECMA_OBJECT_TYPE_ARROW_FUNCTION:
|
|
#endif /* ENABLED (JERRY_ES2015) */
|
|
{
|
|
ecma_op_function_list_lazy_property_names (obj_p,
|
|
is_enumerable_only,
|
|
prop_names_p,
|
|
skipped_non_enumerable_p);
|
|
break;
|
|
}
|
|
case ECMA_OBJECT_TYPE_EXTERNAL_FUNCTION:
|
|
{
|
|
ecma_op_external_function_list_lazy_property_names (is_enumerable_only,
|
|
prop_names_p,
|
|
skipped_non_enumerable_p);
|
|
break;
|
|
}
|
|
case ECMA_OBJECT_TYPE_BOUND_FUNCTION:
|
|
{
|
|
ecma_op_bound_function_list_lazy_property_names (is_enumerable_only,
|
|
prop_names_p,
|
|
skipped_non_enumerable_p);
|
|
break;
|
|
}
|
|
case ECMA_OBJECT_TYPE_CLASS:
|
|
{
|
|
ecma_extended_object_t *ext_object_p = (ecma_extended_object_t *) obj_p;
|
|
|
|
if (ext_object_p->u.class_prop.class_id == LIT_MAGIC_STRING_STRING_UL)
|
|
{
|
|
ecma_op_string_list_lazy_property_names (obj_p,
|
|
is_enumerable_only,
|
|
prop_names_p,
|
|
skipped_non_enumerable_p);
|
|
}
|
|
|
|
break;
|
|
}
|
|
case ECMA_OBJECT_TYPE_ARRAY:
|
|
{
|
|
ecma_op_array_list_lazy_property_names (obj_p,
|
|
is_enumerable_only,
|
|
prop_names_p,
|
|
skipped_non_enumerable_p);
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
JERRY_ASSERT (type == ECMA_OBJECT_TYPE_GENERAL);
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
#if ENABLED (JERRY_ES2015)
|
|
}
|
|
#endif /* ENABLED (JERRY_ES2015) */
|
|
|
|
ecma_value_t *buffer_p = prop_names_p->buffer_p;
|
|
|
|
const size_t own_names_hashes_bitmap_size = ECMA_OBJECT_HASH_BITMAP_SIZE / bitmap_row_size;
|
|
JERRY_VLA (uint32_t, own_names_hashes_bitmap, own_names_hashes_bitmap_size);
|
|
memset (own_names_hashes_bitmap, 0, own_names_hashes_bitmap_size * sizeof (own_names_hashes_bitmap[0]));
|
|
|
|
for (uint32_t i = 0; i < prop_names_p->item_count; i++)
|
|
{
|
|
ecma_string_t *name_p = ecma_get_string_from_value (buffer_p[i]);
|
|
|
|
#if ENABLED (JERRY_ES2015)
|
|
/* Symbols are never lazy listed */
|
|
JERRY_ASSERT (!ecma_prop_name_is_symbol (name_p));
|
|
#endif /* ENABLED (JERRY_ES2015) */
|
|
|
|
uint8_t hash = (uint8_t) ecma_string_hash (name_p);
|
|
uint32_t bitmap_row = (uint32_t) (hash / bitmap_row_size);
|
|
uint32_t bitmap_column = (uint32_t) (hash % bitmap_row_size);
|
|
|
|
if ((own_names_hashes_bitmap[bitmap_row] & (1u << bitmap_column)) == 0)
|
|
{
|
|
own_names_hashes_bitmap[bitmap_row] |= (1u << bitmap_column);
|
|
}
|
|
}
|
|
|
|
jmem_cpointer_t prop_iter_cp = prototype_chain_iter_p->u1.property_list_cp;
|
|
|
|
if (ecma_op_object_is_fast_array (prototype_chain_iter_p) && prop_iter_cp != JMEM_CP_NULL)
|
|
{
|
|
ecma_extended_object_t *ext_obj_p = (ecma_extended_object_t *) prototype_chain_iter_p;
|
|
|
|
uint32_t length = ext_obj_p->u.array.length;
|
|
|
|
ecma_value_t *values_p = ECMA_GET_NON_NULL_POINTER (ecma_value_t, prop_iter_cp);
|
|
|
|
for (uint32_t i = 0; i < length; i++)
|
|
{
|
|
if (ecma_is_value_array_hole (values_p[i]))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
ecma_string_t *index_str_p = ecma_new_ecma_string_from_uint32 (i);
|
|
|
|
uint8_t hash = (uint8_t) ecma_string_hash (index_str_p);
|
|
uint32_t bitmap_row = (uint32_t) (hash / bitmap_row_size);
|
|
uint32_t bitmap_column = (uint32_t) (hash % bitmap_row_size);
|
|
|
|
bool is_add = true;
|
|
|
|
if ((own_names_hashes_bitmap[bitmap_row] & (1u << bitmap_column)) != 0)
|
|
{
|
|
buffer_p = prop_names_p->buffer_p;
|
|
|
|
for (uint32_t j = 0; j < prop_names_p->item_count; j++)
|
|
{
|
|
ecma_string_t *current_name_p = ecma_get_prop_name_from_value (buffer_p[j]);
|
|
|
|
if (ecma_compare_ecma_strings (index_str_p, current_name_p))
|
|
{
|
|
is_add = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (is_add)
|
|
{
|
|
own_names_hashes_bitmap[bitmap_row] |= (1u << bitmap_column);
|
|
|
|
ecma_collection_push_back (prop_names_p, ecma_make_string_value (index_str_p));
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
#if ENABLED (JERRY_PROPRETY_HASHMAP)
|
|
if (prop_iter_cp != JMEM_CP_NULL)
|
|
{
|
|
ecma_property_header_t *prop_iter_p = ECMA_GET_NON_NULL_POINTER (ecma_property_header_t, prop_iter_cp);
|
|
|
|
if (prop_iter_p->types[0] == ECMA_PROPERTY_TYPE_HASHMAP)
|
|
{
|
|
prop_iter_cp = prop_iter_p->next_property_cp;
|
|
}
|
|
}
|
|
#endif /* ENABLED (JERRY_PROPRETY_HASHMAP) */
|
|
|
|
while (prop_iter_cp != JMEM_CP_NULL)
|
|
{
|
|
ecma_property_header_t *prop_iter_p = ECMA_GET_NON_NULL_POINTER (ecma_property_header_t, prop_iter_cp);
|
|
JERRY_ASSERT (ECMA_PROPERTY_IS_PROPERTY_PAIR (prop_iter_p));
|
|
|
|
for (int i = 0; i < ECMA_PROPERTY_PAIR_ITEM_COUNT; i++)
|
|
{
|
|
ecma_property_t *property_p = prop_iter_p->types + i;
|
|
|
|
if (ECMA_PROPERTY_GET_TYPE (*property_p) == ECMA_PROPERTY_TYPE_NAMEDDATA
|
|
|| ECMA_PROPERTY_GET_TYPE (*property_p) == ECMA_PROPERTY_TYPE_NAMEDACCESSOR)
|
|
{
|
|
ecma_property_pair_t *prop_pair_p = (ecma_property_pair_t *) prop_iter_p;
|
|
|
|
if (ECMA_PROPERTY_GET_NAME_TYPE (*property_p) == ECMA_DIRECT_STRING_MAGIC
|
|
&& prop_pair_p->names_cp[i] >= LIT_NON_INTERNAL_MAGIC_STRING__COUNT
|
|
&& prop_pair_p->names_cp[i] < LIT_MAGIC_STRING__COUNT)
|
|
{
|
|
/* Internal properties are never enumerated. */
|
|
continue;
|
|
}
|
|
|
|
ecma_string_t *name_p = ecma_string_from_property_name (*property_p,
|
|
prop_pair_p->names_cp[i]);
|
|
|
|
if (!(is_enumerable_only && !ecma_is_property_enumerable (*property_p)))
|
|
{
|
|
#if ENABLED (JERRY_ES2015)
|
|
/* If is_symbols_only is false and prop_name is symbol
|
|
we should skip the current property e.g. for-in.
|
|
|
|
Also if is_symbols_only is true and prop_name is not symbol
|
|
we should skip the current property e.g. Object.getOwnPropertySymbols. */
|
|
if (JERRY_UNLIKELY (is_symbols_only != ecma_prop_name_is_symbol (name_p)))
|
|
{
|
|
ecma_deref_ecma_string (name_p);
|
|
continue;
|
|
}
|
|
#endif /* ENABLED (JERRY_ES2015) */
|
|
|
|
uint8_t hash = (uint8_t) ecma_string_hash (name_p);
|
|
uint32_t bitmap_row = (uint32_t) (hash / bitmap_row_size);
|
|
uint32_t bitmap_column = (uint32_t) (hash % bitmap_row_size);
|
|
|
|
bool is_add = true;
|
|
|
|
if ((own_names_hashes_bitmap[bitmap_row] & (1u << bitmap_column)) != 0)
|
|
{
|
|
buffer_p = prop_names_p->buffer_p;
|
|
|
|
for (uint32_t j = 0; j < prop_names_p->item_count; j++)
|
|
{
|
|
ecma_string_t *current_name_p = ecma_get_prop_name_from_value (buffer_p[j]);
|
|
|
|
if (ecma_compare_ecma_strings (name_p, current_name_p))
|
|
{
|
|
is_add = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (is_add)
|
|
{
|
|
own_names_hashes_bitmap[bitmap_row] |= (1u << bitmap_column);
|
|
|
|
ecma_collection_push_back (prop_names_p, ecma_make_prop_name_value (name_p));
|
|
}
|
|
else
|
|
{
|
|
ecma_deref_ecma_string (name_p);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
JERRY_ASSERT (is_enumerable_only && !ecma_is_property_enumerable (*property_p));
|
|
|
|
ecma_collection_push_back (skipped_non_enumerable_p, ecma_make_prop_name_value (name_p));
|
|
}
|
|
}
|
|
}
|
|
|
|
prop_iter_cp = prop_iter_p->next_property_cp;
|
|
}
|
|
}
|
|
|
|
buffer_p = prop_names_p->buffer_p;
|
|
|
|
for (uint32_t i = 0; i < prop_names_p->item_count; i++)
|
|
{
|
|
ecma_string_t *name_p = ecma_get_prop_name_from_value (buffer_p[i]);
|
|
|
|
uint32_t index = ecma_string_get_array_index (name_p);
|
|
|
|
if (index != ECMA_STRING_NOT_ARRAY_INDEX)
|
|
{
|
|
/* The name is a valid array index. */
|
|
array_index_named_properties_count++;
|
|
}
|
|
else if (!is_array_indices_only)
|
|
{
|
|
string_named_properties_count++;
|
|
}
|
|
}
|
|
|
|
/* Second pass: collecting property names into arrays. */
|
|
JMEM_DEFINE_LOCAL_ARRAY (names_p,
|
|
array_index_named_properties_count + string_named_properties_count,
|
|
ecma_string_t *);
|
|
JMEM_DEFINE_LOCAL_ARRAY (array_index_names_p, array_index_named_properties_count, uint32_t);
|
|
|
|
uint32_t name_pos = array_index_named_properties_count + string_named_properties_count;
|
|
uint32_t array_index_name_pos = 0;
|
|
|
|
buffer_p = prop_names_p->buffer_p;
|
|
|
|
for (uint32_t i = 0; i < prop_names_p->item_count; i++)
|
|
{
|
|
ecma_string_t *name_p = ecma_get_prop_name_from_value (buffer_p[i]);
|
|
|
|
uint32_t index = ecma_string_get_array_index (name_p);
|
|
|
|
if (index != ECMA_STRING_NOT_ARRAY_INDEX)
|
|
{
|
|
JERRY_ASSERT (array_index_name_pos < array_index_named_properties_count);
|
|
|
|
uint32_t insertion_pos = 0;
|
|
while (insertion_pos < array_index_name_pos
|
|
&& index < array_index_names_p[insertion_pos])
|
|
{
|
|
insertion_pos++;
|
|
}
|
|
|
|
if (insertion_pos == array_index_name_pos)
|
|
{
|
|
array_index_names_p[array_index_name_pos++] = index;
|
|
}
|
|
else
|
|
{
|
|
JERRY_ASSERT (insertion_pos < array_index_name_pos);
|
|
JERRY_ASSERT (index >= array_index_names_p[insertion_pos]);
|
|
|
|
uint32_t move_pos = array_index_name_pos++;
|
|
|
|
while (move_pos > insertion_pos)
|
|
{
|
|
array_index_names_p[move_pos] = array_index_names_p[move_pos - 1u];
|
|
|
|
move_pos--;
|
|
}
|
|
|
|
array_index_names_p[insertion_pos] = index;
|
|
}
|
|
}
|
|
else if (!is_array_indices_only)
|
|
{
|
|
/*
|
|
* Filling from end to begin, as list of object's properties is sorted
|
|
* in order that is reverse to properties creation order
|
|
*/
|
|
|
|
JERRY_ASSERT (name_pos > 0
|
|
&& name_pos <= array_index_named_properties_count + string_named_properties_count);
|
|
ecma_ref_ecma_string (name_p);
|
|
names_p[--name_pos] = name_p;
|
|
}
|
|
}
|
|
|
|
for (uint32_t i = 0; i < array_index_named_properties_count; i++)
|
|
{
|
|
JERRY_ASSERT (name_pos > 0
|
|
&& name_pos <= array_index_named_properties_count + string_named_properties_count);
|
|
names_p[--name_pos] = ecma_new_ecma_string_from_uint32 (array_index_names_p[i]);
|
|
}
|
|
|
|
JERRY_ASSERT (name_pos == 0);
|
|
|
|
JMEM_FINALIZE_LOCAL_ARRAY (array_index_names_p);
|
|
|
|
ecma_collection_free (prop_names_p);
|
|
|
|
/* Third pass:
|
|
* embedding own property names of current object of prototype chain to aggregate property names collection */
|
|
for (uint32_t i = 0;
|
|
i < array_index_named_properties_count + string_named_properties_count;
|
|
i++)
|
|
{
|
|
bool is_append = true;
|
|
|
|
ecma_string_t *name_p = names_p[i];
|
|
|
|
uint8_t hash = (uint8_t) ecma_string_hash (name_p);
|
|
uint32_t bitmap_row = (uint32_t) (hash / bitmap_row_size);
|
|
uint32_t bitmap_column = (uint32_t) (hash % bitmap_row_size);
|
|
|
|
if ((names_hashes_bitmap[bitmap_row] & (1u << bitmap_column)) == 0)
|
|
{
|
|
/* This hash has not been used before (for non-skipped). */
|
|
names_hashes_bitmap[bitmap_row] |= (1u << bitmap_column);
|
|
}
|
|
else
|
|
{
|
|
/* Name with same hash has already occured. */
|
|
buffer_p = ret_p->buffer_p;
|
|
|
|
for (uint32_t j = 0; j < ret_p->item_count; j++)
|
|
{
|
|
ecma_string_t *current_name_p = ecma_get_prop_name_from_value (buffer_p[j]);
|
|
|
|
if (ecma_compare_ecma_strings (name_p, current_name_p))
|
|
{
|
|
is_append = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (is_append)
|
|
{
|
|
buffer_p = skipped_non_enumerable_p->buffer_p;
|
|
|
|
for (uint32_t j = 0; j < skipped_non_enumerable_p->item_count; j++)
|
|
{
|
|
ecma_string_t *current_name_p = ecma_get_prop_name_from_value (buffer_p[j]);
|
|
|
|
if (ecma_compare_ecma_strings (name_p, current_name_p))
|
|
{
|
|
is_append = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (is_append)
|
|
{
|
|
JERRY_ASSERT ((names_hashes_bitmap[bitmap_row] & (1u << bitmap_column)) != 0);
|
|
|
|
ecma_collection_push_back (ret_p, ecma_make_prop_name_value (name_p));
|
|
}
|
|
else
|
|
{
|
|
ecma_deref_ecma_string (name_p);
|
|
}
|
|
|
|
}
|
|
|
|
JMEM_FINALIZE_LOCAL_ARRAY (names_p);
|
|
|
|
|
|
if (!is_with_prototype_chain || prototype_chain_iter_p->u2.prototype_cp == JMEM_CP_NULL)
|
|
{
|
|
break;
|
|
}
|
|
|
|
prototype_chain_iter_p = ECMA_GET_NON_NULL_POINTER (ecma_object_t,
|
|
prototype_chain_iter_p->u2.prototype_cp);
|
|
}
|
|
|
|
ecma_collection_free (skipped_non_enumerable_p);
|
|
|
|
return ret_p;
|
|
} /* ecma_op_object_get_property_names */
|
|
|
|
/**
|
|
* The function is used in the assert of ecma_object_get_class_name
|
|
*
|
|
* @return true - if class name is an object
|
|
* false - otherwise
|
|
*/
|
|
inline static bool
|
|
ecma_object_check_class_name_is_object (ecma_object_t *obj_p) /**< object */
|
|
{
|
|
#ifndef JERRY_NDEBUG
|
|
return (ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_GLOBAL)
|
|
#if ENABLED (JERRY_ES2015_BUILTIN_PROMISE)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_PROMISE_PROTOTYPE)
|
|
#endif /* ENABLED (JERRY_ES2015_BUILTIN_PROMISE) */
|
|
#if ENABLED (JERRY_ES2015_BUILTIN_TYPEDARRAY)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_ARRAYBUFFER_PROTOTYPE)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_TYPEDARRAY_PROTOTYPE)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_INT8ARRAY_PROTOTYPE)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_UINT8ARRAY_PROTOTYPE)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_INT16ARRAY_PROTOTYPE)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_UINT16ARRAY_PROTOTYPE)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_INT32ARRAY_PROTOTYPE)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_UINT32ARRAY_PROTOTYPE)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_FLOAT32ARRAY_PROTOTYPE)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_UINT8CLAMPEDARRAY_PROTOTYPE)
|
|
#if ENABLED (JERRY_NUMBER_TYPE_FLOAT64)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_FLOAT64ARRAY_PROTOTYPE)
|
|
#endif /* ENABLED (JERRY_NUMBER_TYPE_FLOAT64) */
|
|
#endif /* ENABLED (JERRY_ES2015_BUILTIN_TYPEDARRAY) */
|
|
#if ENABLED (JERRY_ES2015)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_ARRAY_ITERATOR_PROTOTYPE)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_ITERATOR_PROTOTYPE)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_STRING_ITERATOR_PROTOTYPE)
|
|
#endif /* ENABLED (JERRY_ES2015) */
|
|
#if ENABLED (JERRY_ES2015_BUILTIN_MAP)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_MAP_PROTOTYPE)
|
|
#if ENABLED (JERRY_ES2015)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_MAP_ITERATOR_PROTOTYPE)
|
|
#endif /* ENABLED (JERRY_ES2015) */
|
|
#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)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_SET_ITERATOR_PROTOTYPE)
|
|
#endif /* ENABLED (JERRY_ES2015) */
|
|
#endif /* ENABLED (JERRY_ES2015_BUILTIN_SET) */
|
|
#if ENABLED (JERRY_ES2015_BUILTIN_WEAKMAP)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_WEAKMAP_PROTOTYPE)
|
|
#endif /* ENABLED (JERRY_ES2015_BUILTIN_WEAKMAP) */
|
|
#if ENABLED (JERRY_ES2015_BUILTIN_WEAKSET)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_WEAKSET_PROTOTYPE)
|
|
#endif /* ENABLED (JERRY_ES2015_BUILTIN_WEAKSET) */
|
|
#if ENABLED (JERRY_ES2015)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_SYMBOL_PROTOTYPE)
|
|
#endif /* ENABLED (JERRY_ES2015) */
|
|
#if ENABLED (JERRY_ES2015_BUILTIN_DATAVIEW)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_DATAVIEW_PROTOTYPE)
|
|
#endif /* ENABLED (JERRY_ES2015_BUILTIN_DATAVIEW) */
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_OBJECT_PROTOTYPE));
|
|
#else /* JERRY_NDEBUG */
|
|
JERRY_UNUSED (obj_p);
|
|
return true;
|
|
#endif /* !JERRY_NDEBUG */
|
|
} /* ecma_object_check_class_name_is_object */
|
|
|
|
/**
|
|
* Get [[Class]] string of specified object
|
|
*
|
|
* @return class name magic string
|
|
*/
|
|
lit_magic_string_id_t
|
|
ecma_object_get_class_name (ecma_object_t *obj_p) /**< object */
|
|
{
|
|
ecma_object_type_t type = ecma_get_object_type (obj_p);
|
|
|
|
switch (type)
|
|
{
|
|
case ECMA_OBJECT_TYPE_ARRAY:
|
|
{
|
|
return LIT_MAGIC_STRING_ARRAY_UL;
|
|
}
|
|
case ECMA_OBJECT_TYPE_CLASS:
|
|
{
|
|
ecma_extended_object_t *ext_object_p = (ecma_extended_object_t *) obj_p;
|
|
return (lit_magic_string_id_t) ext_object_p->u.class_prop.class_id;
|
|
}
|
|
case ECMA_OBJECT_TYPE_PSEUDO_ARRAY:
|
|
{
|
|
ecma_extended_object_t *ext_obj_p = (ecma_extended_object_t *) obj_p;
|
|
|
|
switch (ext_obj_p->u.pseudo_array.type)
|
|
{
|
|
#if ENABLED (JERRY_ES2015_BUILTIN_TYPEDARRAY)
|
|
case ECMA_PSEUDO_ARRAY_TYPEDARRAY:
|
|
case ECMA_PSEUDO_ARRAY_TYPEDARRAY_WITH_INFO:
|
|
{
|
|
return (lit_magic_string_id_t) ext_obj_p->u.pseudo_array.u1.class_id;
|
|
}
|
|
#endif /* ENABLED (JERRY_ES2015_BUILTIN_TYPEDARRAY) */
|
|
#if ENABLED (JERRY_ES2015)
|
|
case ECMA_PSEUDO_ARRAY_ITERATOR:
|
|
{
|
|
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) */
|
|
#if ENABLED (JERRY_ES2015)
|
|
case ECMA_PSEUDO_STRING_ITERATOR:
|
|
{
|
|
return LIT_MAGIC_STRING_STRING_ITERATOR_UL;
|
|
}
|
|
#endif /* ENABLED (JERRY_ES2015) */
|
|
default:
|
|
{
|
|
JERRY_ASSERT (ext_obj_p->u.pseudo_array.type == ECMA_PSEUDO_ARRAY_ARGUMENTS);
|
|
|
|
return LIT_MAGIC_STRING_ARGUMENTS_UL;
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
case ECMA_OBJECT_TYPE_FUNCTION:
|
|
#if ENABLED (JERRY_ES2015)
|
|
case ECMA_OBJECT_TYPE_ARROW_FUNCTION:
|
|
#endif /* ENABLED (JERRY_ES2015) */
|
|
case ECMA_OBJECT_TYPE_EXTERNAL_FUNCTION:
|
|
case ECMA_OBJECT_TYPE_BOUND_FUNCTION:
|
|
{
|
|
return LIT_MAGIC_STRING_FUNCTION_UL;
|
|
}
|
|
default:
|
|
{
|
|
JERRY_ASSERT (type == ECMA_OBJECT_TYPE_GENERAL);
|
|
|
|
if (ecma_get_object_is_builtin (obj_p))
|
|
{
|
|
ecma_extended_object_t *ext_obj_p = (ecma_extended_object_t *) obj_p;
|
|
|
|
switch (ext_obj_p->u.built_in.id)
|
|
{
|
|
#if ENABLED (JERRY_BUILTIN_MATH)
|
|
case ECMA_BUILTIN_ID_MATH:
|
|
{
|
|
return LIT_MAGIC_STRING_MATH_UL;
|
|
}
|
|
#endif /* ENABLED (JERRY_BUILTIN_MATH) */
|
|
#if ENABLED (JERRY_ES2015_BUILTIN_REFLECT)
|
|
case ECMA_BUILTIN_ID_REFLECT:
|
|
{
|
|
return LIT_MAGIC_STRING_REFLECT_UL;
|
|
}
|
|
#endif /* ENABLED (JERRY_ES2015_BUILTIN_REFLECT) */
|
|
#if ENABLED (JERRY_ES2015)
|
|
case ECMA_BUILTIN_ID_GENERATOR:
|
|
{
|
|
return LIT_MAGIC_STRING_GENERATOR_UL;
|
|
}
|
|
#endif /* ENABLED (JERRY_ES2015) */
|
|
#if ENABLED (JERRY_BUILTIN_JSON)
|
|
case ECMA_BUILTIN_ID_JSON:
|
|
{
|
|
return LIT_MAGIC_STRING_JSON_U;
|
|
}
|
|
#endif /* ENABLED (JERRY_BUILTIN_JSON) */
|
|
#if ENABLED (JERRY_BUILTIN_ERRORS)
|
|
case ECMA_BUILTIN_ID_EVAL_ERROR_PROTOTYPE:
|
|
case ECMA_BUILTIN_ID_RANGE_ERROR_PROTOTYPE:
|
|
case ECMA_BUILTIN_ID_REFERENCE_ERROR_PROTOTYPE:
|
|
case ECMA_BUILTIN_ID_SYNTAX_ERROR_PROTOTYPE:
|
|
case ECMA_BUILTIN_ID_TYPE_ERROR_PROTOTYPE:
|
|
case ECMA_BUILTIN_ID_URI_ERROR_PROTOTYPE:
|
|
#endif /* ENABLED (JERRY_BUILTIN_ERRORS) */
|
|
case ECMA_BUILTIN_ID_ERROR_PROTOTYPE:
|
|
{
|
|
return LIT_MAGIC_STRING_ERROR_UL;
|
|
}
|
|
default:
|
|
{
|
|
JERRY_ASSERT (ecma_object_check_class_name_is_object (obj_p));
|
|
|
|
return LIT_MAGIC_STRING_OBJECT_UL;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
return LIT_MAGIC_STRING_OBJECT_UL;
|
|
}
|
|
}
|
|
}
|
|
} /* ecma_object_get_class_name */
|
|
|
|
/**
|
|
* Get value of an object if the class matches
|
|
*
|
|
* @return value of the object if the class matches
|
|
* ECMA_VALUE_NOT_FOUND otherwise
|
|
*/
|
|
inline bool JERRY_ATTR_ALWAYS_INLINE
|
|
ecma_object_class_is (ecma_object_t *object_p, /**< object */
|
|
uint32_t class_id) /**< class id */
|
|
{
|
|
if (ecma_get_object_type (object_p) == ECMA_OBJECT_TYPE_CLASS)
|
|
{
|
|
ecma_extended_object_t *ext_object_p = (ecma_extended_object_t *) object_p;
|
|
|
|
if (ext_object_p->u.class_prop.class_id == class_id)
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
} /* ecma_object_class_is */
|
|
|
|
/**
|
|
* Checks if the given argument has [[RegExpMatcher]] internal slot
|
|
*
|
|
* @return true - if the given argument is a regexp
|
|
* false - otherwise
|
|
*/
|
|
inline bool JERRY_ATTR_ALWAYS_INLINE
|
|
ecma_object_is_regexp_object (ecma_value_t arg) /**< argument */
|
|
{
|
|
return (ecma_is_value_object (arg)
|
|
&& ecma_object_class_is (ecma_get_object_from_value (arg), LIT_MAGIC_STRING_REGEXP_UL));
|
|
} /* ecma_object_is_regexp_object */
|
|
|
|
#if ENABLED (JERRY_ES2015)
|
|
/**
|
|
* Object's IsConcatSpreadable operation, used for Array.prototype.concat
|
|
* It checks the argument's [Symbol.isConcatSpreadable] property value
|
|
*
|
|
* See also:
|
|
* ECMA-262 v6, 22.1.3.1.1;
|
|
*
|
|
* @return ECMA_VALUE_ERROR - if the operation fails
|
|
* ECMA_VALUE_TRUE - if the argument is concatSpreadable
|
|
* ECMA_VALUE_FALSE - otherwise
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_is_concat_spreadable (ecma_value_t arg) /**< argument */
|
|
{
|
|
if (!ecma_is_value_object (arg))
|
|
{
|
|
return ECMA_VALUE_FALSE;
|
|
}
|
|
|
|
ecma_value_t spreadable = ecma_op_object_get_by_symbol_id (ecma_get_object_from_value (arg),
|
|
LIT_GLOBAL_SYMBOL_IS_CONCAT_SPREADABLE);
|
|
|
|
if (ECMA_IS_VALUE_ERROR (spreadable))
|
|
{
|
|
return spreadable;
|
|
}
|
|
|
|
if (!ecma_is_value_undefined (spreadable))
|
|
{
|
|
const bool to_bool = ecma_op_to_boolean (spreadable);
|
|
ecma_free_value (spreadable);
|
|
return ecma_make_boolean_value (to_bool);
|
|
}
|
|
|
|
return (ecma_make_boolean_value (ecma_is_value_array (arg)));
|
|
} /* ecma_op_is_concat_spreadable */
|
|
|
|
/**
|
|
* IsRegExp operation
|
|
*
|
|
* See also:
|
|
* ECMA-262 v6, 22.1.3.1.1;
|
|
*
|
|
* @return ECMA_VALUE_ERROR - if the operation fails
|
|
* ECMA_VALUE_TRUE - if the argument is regexp
|
|
* ECMA_VALUE_FALSE - otherwise
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_is_regexp (ecma_value_t arg) /**< argument */
|
|
{
|
|
if (!ecma_is_value_object (arg))
|
|
{
|
|
return ECMA_VALUE_FALSE;
|
|
}
|
|
|
|
ecma_value_t is_regexp = ecma_op_object_get_by_symbol_id (ecma_get_object_from_value (arg),
|
|
LIT_GLOBAL_SYMBOL_MATCH);
|
|
|
|
if (ECMA_IS_VALUE_ERROR (is_regexp))
|
|
{
|
|
return is_regexp;
|
|
}
|
|
|
|
if (!ecma_is_value_undefined (is_regexp))
|
|
{
|
|
const bool to_bool = ecma_op_to_boolean (is_regexp);
|
|
ecma_free_value (is_regexp);
|
|
return ecma_make_boolean_value (to_bool);
|
|
}
|
|
|
|
return ecma_make_boolean_value (ecma_object_is_regexp_object (arg));
|
|
} /* ecma_op_is_regexp */
|
|
|
|
/**
|
|
* SpeciesConstructor operation
|
|
* See also:
|
|
* ECMA-262 v6, 7.3.20;
|
|
*
|
|
* @return ecma_value
|
|
* returned value must be freed with ecma_free_value
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_species_constructor (ecma_object_t *this_value, /**< This Value */
|
|
ecma_builtin_id_t default_constructor_id) /**< Builtin ID of default constructor */
|
|
{
|
|
ecma_object_t *default_constructor_p = ecma_builtin_get (default_constructor_id);
|
|
ecma_value_t constructor = ecma_op_object_get_by_magic_id (this_value, LIT_MAGIC_STRING_CONSTRUCTOR);
|
|
if (ECMA_IS_VALUE_ERROR (constructor))
|
|
{
|
|
return constructor;
|
|
}
|
|
|
|
if (ecma_is_value_undefined (constructor))
|
|
{
|
|
ecma_ref_object (default_constructor_p);
|
|
return ecma_make_object_value (default_constructor_p);
|
|
}
|
|
|
|
if (!ecma_is_value_object (constructor))
|
|
{
|
|
ecma_free_value (constructor);
|
|
return ecma_raise_type_error (ECMA_ERR_MSG ("Constructor must be an Object"));
|
|
}
|
|
|
|
ecma_object_t *ctor_object_p = ecma_get_object_from_value (constructor);
|
|
ecma_value_t species = 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 (species))
|
|
{
|
|
return species;
|
|
}
|
|
|
|
if (ecma_is_value_undefined (species) || ecma_is_value_null (species))
|
|
{
|
|
ecma_ref_object (default_constructor_p);
|
|
return ecma_make_object_value (default_constructor_p);
|
|
}
|
|
|
|
if (!ecma_is_constructor (species))
|
|
{
|
|
ecma_free_value (species);
|
|
return ecma_raise_type_error (ECMA_ERR_MSG ("Species must be a Constructor"));
|
|
}
|
|
|
|
return species;
|
|
} /* ecma_op_species_constructor */
|
|
|
|
#endif /* ENABLED (JERRY_ES2015) */
|
|
|
|
/**
|
|
* 7.3.18 Abstract operation Invoke when property name is a magic string
|
|
*
|
|
* @return ecma_value result of the invoked function or raised error
|
|
* note: returned value must be freed with ecma_free_value
|
|
*/
|
|
inline ecma_value_t JERRY_ATTR_ALWAYS_INLINE
|
|
ecma_op_invoke_by_magic_id (ecma_value_t object, /**< Object value */
|
|
lit_magic_string_id_t magic_string_id, /**< Magic string ID */
|
|
ecma_value_t *args_p, /**< Argument list */
|
|
ecma_length_t args_len) /**< Argument list length */
|
|
{
|
|
return ecma_op_invoke (object, ecma_get_magic_string (magic_string_id), args_p, args_len);
|
|
} /* ecma_op_invoke_by_magic_id */
|
|
|
|
/**
|
|
* 7.3.18 Abstract operation Invoke
|
|
*
|
|
* @return ecma_value result of the invoked function or raised error
|
|
* note: returned value must be freed with ecma_free_value
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_invoke (ecma_value_t object, /**< Object value */
|
|
ecma_string_t *property_name_p, /**< Property name */
|
|
ecma_value_t *args_p, /**< Argument list */
|
|
ecma_length_t args_len) /**< Argument list length */
|
|
{
|
|
/* 3. */
|
|
ecma_value_t object_value = ecma_op_to_object (object);
|
|
if (ECMA_IS_VALUE_ERROR (object_value))
|
|
{
|
|
return object_value;
|
|
}
|
|
|
|
ecma_object_t *object_p = ecma_get_object_from_value (object_value);
|
|
ecma_value_t func = ecma_op_object_get (object_p, property_name_p);
|
|
|
|
if (ECMA_IS_VALUE_ERROR (func))
|
|
{
|
|
ecma_deref_object (object_p);
|
|
return func;
|
|
}
|
|
|
|
/* 4. */
|
|
if (!ecma_op_is_callable (func))
|
|
{
|
|
ecma_free_value (func);
|
|
ecma_deref_object (object_p);
|
|
return ecma_raise_type_error (ECMA_ERR_MSG ("Argument is not callable"));
|
|
}
|
|
|
|
ecma_object_t *func_obj_p = ecma_get_object_from_value (func);
|
|
ecma_value_t call_result = ecma_op_function_call (func_obj_p, object, args_p, args_len);
|
|
ecma_deref_object (object_p);
|
|
ecma_deref_object (func_obj_p);
|
|
|
|
return call_result;
|
|
} /* ecma_op_invoke */
|
|
|
|
/**
|
|
* @}
|
|
* @}
|
|
*/
|