mirror of
https://github.com/jerryscript-project/jerryscript.git
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75b0378bc5
Make this consistence with other static inline definition. JerryScript-DCO-1.0-Signed-off-by: Yonggang Luo luoyonggang@gmail.com
3304 lines
104 KiB
C
3304 lines
104 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-lcache.h"
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#include "ecma-string-object.h"
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#include "ecma-arguments-object.h"
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#include "ecma-objects-general.h"
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#include "ecma-objects.h"
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#include "ecma-proxy-object.h"
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#include "jcontext.h"
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#if JERRY_BUILTIN_TYPEDARRAY
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#include "ecma-typedarray-object.h"
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#include "ecma-arraybuffer-object.h"
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#endif /* JERRY_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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#if JERRY_BUILTIN_PROXY
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JERRY_ASSERT (!ECMA_OBJECT_IS_PROXY (object_p));
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#endif /* JERRY_BUILTIN_PROXY */
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JERRY_ASSERT (property_name_p != NULL);
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JERRY_ASSERT (options == ECMA_PROPERTY_GET_NO_OPTIONS
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|| 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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lit_utf8_size_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_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_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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uint32_t length_prop = ext_object_p->u.array.length_prop_and_hole_count;
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return length_prop & (ECMA_PROPERTY_FLAG_WRITABLE | ECMA_PROPERTY_VIRTUAL);
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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_CONFIGURABLE_ENUMERABLE_WRITABLE | ECMA_PROPERTY_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 JERRY_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 (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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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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uint32_t byte_pos = array_index << info.shift;
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value = ecma_get_typedarray_element (info.buffer_p + byte_pos, info.id);
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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_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 /* JERRY_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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if (type == ECMA_OBJECT_TYPE_NATIVE_FUNCTION && ecma_builtin_function_is_routine (object_p))
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{
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property_p = ecma_builtin_routine_try_to_instantiate_property (object_p, property_name_p);
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}
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else
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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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}
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else
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{
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switch (type)
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{
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case ECMA_OBJECT_TYPE_FUNCTION:
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{
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#if !JERRY_ESNEXT
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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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ecma_extended_object_t *ext_func_p = (ecma_extended_object_t *) object_p;
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const ecma_compiled_code_t *bytecode_data_p = ecma_op_function_get_compiled_code (ext_func_p);
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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_VIRTUAL;
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}
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#endif /* !JERRY_ESNEXT */
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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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break;
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}
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case ECMA_OBJECT_TYPE_NATIVE_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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break;
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}
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case 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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break;
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}
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case ECMA_OBJECT_TYPE_PSEUDO_ARRAY:
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{
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if (((ecma_extended_object_t *) object_p)->u.pseudo_array.type == ECMA_PSEUDO_ARRAY_ARGUMENTS)
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{
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property_p = ecma_op_arguments_object_try_to_lazy_instantiate_property (object_p, property_name_p);
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}
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break;
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}
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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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}
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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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&& ((ecma_extended_object_t *) object_p)->u.pseudo_array.type == ECMA_PSEUDO_ARRAY_ARGUMENTS
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&& (((ecma_extended_object_t *) object_p)->u.pseudo_array.extra_info & ECMA_ARGUMENTS_OBJECT_MAPPED))
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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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uint32_t index = ecma_string_get_array_index (property_name_p);
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if (index < ext_object_p->u.pseudo_array.u1.formal_params_number)
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{
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ecma_mapped_arguments_t *mapped_arguments_p = (ecma_mapped_arguments_t *) ext_object_p;
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ecma_value_t *argv_p = (ecma_value_t *) (mapped_arguments_p + 1);
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if (!ecma_is_value_empty (argv_p[index]))
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{
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#if JERRY_LCACHE
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/* Mapped arguments initialized properties MUST not be lcached */
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if (ecma_is_property_lcached (property_p))
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{
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jmem_cpointer_t prop_name_cp;
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if (JERRY_UNLIKELY (ECMA_IS_DIRECT_STRING (property_name_p)))
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{
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prop_name_cp = (jmem_cpointer_t) ECMA_GET_DIRECT_STRING_VALUE (property_name_p);
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}
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else
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{
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ECMA_SET_NON_NULL_POINTER (prop_name_cp, property_name_p);
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}
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ecma_lcache_invalidate (object_p, prop_name_cp, property_p);
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}
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#endif /* JERRY_LCACHE */
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ecma_string_t *name_p = ecma_op_arguments_object_get_formal_parameter (mapped_arguments_p, index);
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ecma_object_t *lex_env_p = ECMA_GET_INTERNAL_VALUE_POINTER (ecma_object_t, mapped_arguments_p->lex_env);
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ecma_value_t binding_value = ecma_op_get_binding_value (lex_env_p, 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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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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* Generic [[HasProperty]] operation
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*
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* See also:
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* ECMAScript v6, 9.1.7.1
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*
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* @return ECMA_VALUE_ERROR - if the operation fails
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* ECMA_VALUE_{TRUE_FALSE} - whether the property is found
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*/
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extern inline ecma_value_t 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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while (true)
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{
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#if JERRY_BUILTIN_PROXY
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if (ECMA_OBJECT_IS_PROXY (object_p))
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{
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return ecma_proxy_object_has (object_p, property_name_p);
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}
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#endif /* JERRY_BUILTIN_PROXY */
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/* 2 - 3. */
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if (ecma_op_ordinary_object_has_own_property (object_p, property_name_p))
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{
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return ECMA_VALUE_TRUE;
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}
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jmem_cpointer_t proto_cp = ecma_op_ordinary_object_get_prototype_of (object_p);
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/* 7. */
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if (proto_cp == JMEM_CP_NULL)
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{
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return ECMA_VALUE_FALSE;
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}
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object_p = ECMA_GET_NON_NULL_POINTER (ecma_object_t, proto_cp);
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}
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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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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 (!ECMA_OBJECT_IS_PROXY (object_p));
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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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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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lit_utf8_size_t length = ecma_string_get_length (prim_value_str_p);
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return ecma_make_uint32_value (length);
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}
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|
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uint32_t index = ecma_string_get_array_index (property_name_p);
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|
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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);
|
|
|
|
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
|
|
&& ext_object_p->u.pseudo_array.extra_info & ECMA_ARGUMENTS_OBJECT_MAPPED)
|
|
{
|
|
uint32_t index = ecma_string_get_array_index (property_name_p);
|
|
|
|
if (index < ext_object_p->u.pseudo_array.u1.formal_params_number)
|
|
{
|
|
ecma_mapped_arguments_t *mapped_arguments_p = (ecma_mapped_arguments_t *) ext_object_p;
|
|
|
|
ecma_value_t *argv_p = (ecma_value_t *) (mapped_arguments_p + 1);
|
|
|
|
if (!ecma_is_value_empty (argv_p[index]))
|
|
{
|
|
ecma_string_t *name_p = ecma_op_arguments_object_get_formal_parameter (mapped_arguments_p, index);
|
|
ecma_object_t *lex_env_p = ECMA_GET_INTERNAL_VALUE_POINTER (ecma_object_t, mapped_arguments_p->lex_env);
|
|
|
|
return ecma_op_get_binding_value (lex_env_p, name_p, true);
|
|
}
|
|
}
|
|
}
|
|
#if JERRY_BUILTIN_TYPEDARRAY
|
|
/* ES2015 9.4.5.4 */
|
|
if (ecma_object_is_typedarray (object_p))
|
|
{
|
|
if (ecma_prop_name_is_symbol (property_name_p))
|
|
{
|
|
break;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
uint32_t byte_pos = array_index << info.shift;
|
|
return ecma_get_typedarray_element (info.buffer_p + byte_pos, info.id);
|
|
}
|
|
|
|
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 /* JERRY_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))
|
|
{
|
|
if (type == ECMA_OBJECT_TYPE_NATIVE_FUNCTION && ecma_builtin_function_is_routine (object_p))
|
|
{
|
|
property_p = ecma_builtin_routine_try_to_instantiate_property (object_p, property_name_p);
|
|
}
|
|
else
|
|
{
|
|
property_p = ecma_builtin_try_to_instantiate_property (object_p, property_name_p);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
switch (type)
|
|
{
|
|
case ECMA_OBJECT_TYPE_FUNCTION:
|
|
{
|
|
#if !JERRY_ESNEXT
|
|
if (ecma_string_is_length (property_name_p))
|
|
{
|
|
/* Get length virtual property. */
|
|
ecma_extended_object_t *ext_func_p = (ecma_extended_object_t *) object_p;
|
|
const ecma_compiled_code_t *bytecode_data_p = ecma_op_function_get_compiled_code (ext_func_p);
|
|
|
|
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);
|
|
}
|
|
#endif /* !JERRY_ESNEXT */
|
|
|
|
/* Get prototype physical property. */
|
|
property_p = ecma_op_function_try_to_lazy_instantiate_property (object_p, property_name_p);
|
|
break;
|
|
}
|
|
case ECMA_OBJECT_TYPE_NATIVE_FUNCTION:
|
|
{
|
|
property_p = ecma_op_external_function_try_to_lazy_instantiate_property (object_p, property_name_p);
|
|
break;
|
|
}
|
|
case ECMA_OBJECT_TYPE_BOUND_FUNCTION:
|
|
{
|
|
property_p = ecma_op_bound_function_try_to_lazy_instantiate_property (object_p, property_name_p);
|
|
break;
|
|
}
|
|
case ECMA_OBJECT_TYPE_PSEUDO_ARRAY:
|
|
{
|
|
if (((ecma_extended_object_t *) object_p)->u.pseudo_array.type == ECMA_PSEUDO_ARRAY_ARGUMENTS)
|
|
{
|
|
property_p = ecma_op_arguments_object_try_to_lazy_instantiate_property (object_p, property_name_p);
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (property_p == NULL)
|
|
{
|
|
return ECMA_VALUE_NOT_FOUND;
|
|
}
|
|
}
|
|
|
|
JERRY_ASSERT (ECMA_PROPERTY_IS_RAW (*property_p));
|
|
|
|
ecma_property_value_t *prop_value_p = ECMA_PROPERTY_VALUE_PTR (property_p);
|
|
|
|
if (*property_p & ECMA_PROPERTY_FLAG_DATA)
|
|
{
|
|
return ecma_fast_copy_value (prop_value_p->value);
|
|
}
|
|
|
|
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 a 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_index (ecma_object_t *object_p, /**< the object */
|
|
ecma_length_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_ecma_string_from_length (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_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)
|
|
{
|
|
#if JERRY_BUILTIN_PROXY
|
|
if (ECMA_OBJECT_IS_PROXY (object_p))
|
|
{
|
|
return ecma_proxy_object_find (object_p, property_name_p);
|
|
}
|
|
#endif /* JERRY_BUILTIN_PROXY */
|
|
|
|
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]] 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
|
|
*/
|
|
extern inline ecma_value_t JERRY_ATTR_ALWAYS_INLINE
|
|
ecma_op_object_get (ecma_object_t *object_p, /**< the object */
|
|
ecma_string_t *property_name_p) /**< property name */
|
|
{
|
|
return ecma_op_object_get_with_receiver (object_p, property_name_p, ecma_make_object_value (object_p));
|
|
} /* 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)
|
|
{
|
|
#if JERRY_BUILTIN_PROXY
|
|
if (ECMA_OBJECT_IS_PROXY (object_p))
|
|
{
|
|
return ecma_proxy_object_get (object_p, property_name_p, receiver);
|
|
}
|
|
#endif /* JERRY_BUILTIN_PROXY */
|
|
|
|
ecma_value_t value = ecma_op_object_find_own (receiver, object_p, property_name_p);
|
|
|
|
if (ecma_is_value_found (value))
|
|
{
|
|
return value;
|
|
}
|
|
|
|
jmem_cpointer_t proto_cp = ecma_op_ordinary_object_get_prototype_of (object_p);
|
|
|
|
if (proto_cp == JMEM_CP_NULL)
|
|
{
|
|
break;
|
|
}
|
|
|
|
object_p = ECMA_GET_NON_NULL_POINTER (ecma_object_t, proto_cp);
|
|
}
|
|
|
|
return ECMA_VALUE_UNDEFINED;
|
|
} /* ecma_op_object_get_with_receiver */
|
|
|
|
/**
|
|
* [[Get]] operation of ecma object specified for property index
|
|
*
|
|
* @return ecma value
|
|
* Returned value must be freed with ecma_free_value
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_object_get_by_index (ecma_object_t *object_p, /**< the object */
|
|
ecma_length_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_ecma_string_from_length (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_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 */
|
|
ecma_length_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_length_t) ecma_array_get_length (object_p);
|
|
return ECMA_VALUE_EMPTY;
|
|
}
|
|
|
|
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
|
|
*/
|
|
extern 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 JERRY_ESNEXT
|
|
|
|
/**
|
|
* Descriptor string for each global symbol
|
|
*/
|
|
static const uint16_t ecma_global_symbol_descriptions[] =
|
|
{
|
|
LIT_MAGIC_STRING_ASYNC_ITERATOR,
|
|
LIT_MAGIC_STRING_HAS_INSTANCE,
|
|
LIT_MAGIC_STRING_IS_CONCAT_SPREADABLE,
|
|
LIT_MAGIC_STRING_ITERATOR,
|
|
LIT_MAGIC_STRING_MATCH,
|
|
LIT_MAGIC_STRING_REPLACE,
|
|
LIT_MAGIC_STRING_SEARCH,
|
|
LIT_MAGIC_STRING_SPECIES,
|
|
LIT_MAGIC_STRING_SPLIT,
|
|
LIT_MAGIC_STRING_TO_PRIMITIVE,
|
|
LIT_MAGIC_STRING_TO_STRING_TAG,
|
|
LIT_MAGIC_STRING_UNSCOPABLES,
|
|
LIT_MAGIC_STRING_MATCH_ALL,
|
|
};
|
|
|
|
JERRY_STATIC_ASSERT (sizeof (ecma_global_symbol_descriptions) / sizeof (uint16_t) == ECMA_BUILTIN_GLOBAL_SYMBOL_COUNT,
|
|
ecma_global_symbol_descriptions_must_have_global_symbol_count_elements);
|
|
|
|
/**
|
|
* [[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 */
|
|
{
|
|
JERRY_ASSERT (LIT_IS_GLOBAL_SYMBOL (property_id));
|
|
|
|
uint32_t symbol_index = (uint32_t) property_id - (uint32_t) LIT_GLOBAL_SYMBOL__FIRST;
|
|
jmem_cpointer_t symbol_cp = JERRY_CONTEXT (global_symbols_cp)[symbol_index];
|
|
|
|
if (symbol_cp != JMEM_CP_NULL)
|
|
{
|
|
ecma_string_t *symbol_p = ECMA_GET_NON_NULL_POINTER (ecma_string_t, symbol_cp);
|
|
ecma_ref_ecma_string (symbol_p);
|
|
return symbol_p;
|
|
}
|
|
|
|
ecma_string_t *symbol_dot_p = ecma_get_magic_string (LIT_MAGIC_STRING_SYMBOL_DOT_UL);
|
|
uint16_t description = ecma_global_symbol_descriptions[symbol_index];
|
|
ecma_string_t *name_p = ecma_get_magic_string ((lit_magic_string_id_t) description);
|
|
ecma_string_t *descriptor_p = ecma_concat_ecma_strings (symbol_dot_p, name_p);
|
|
|
|
ecma_string_t *symbol_p = ecma_new_symbol_from_descriptor_string (ecma_make_string_value (descriptor_p));
|
|
symbol_p->u.hash = (uint16_t) ((property_id << ECMA_GLOBAL_SYMBOL_SHIFT) | ECMA_GLOBAL_SYMBOL_FLAG);
|
|
|
|
ECMA_SET_NON_NULL_POINTER (JERRY_CONTEXT (global_symbols_cp)[symbol_index], symbol_p);
|
|
|
|
ecma_ref_ecma_string (symbol_p);
|
|
return symbol_p;
|
|
} /* 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 /* JERRY_ESNEXT */
|
|
|
|
/**
|
|
* [[Put]] ecma general object's operation specialized for 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_index (ecma_object_t *object_p, /**< the object */
|
|
ecma_length_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_ecma_string_from_length (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_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.
|
|
*/
|
|
extern inline ecma_value_t JERRY_ATTR_ALWAYS_INLINE
|
|
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 */
|
|
{
|
|
return ecma_op_object_put_with_receiver (object_p,
|
|
property_name_p,
|
|
value,
|
|
ecma_make_object_value (object_p),
|
|
is_throw);
|
|
} /* ecma_op_object_put */
|
|
|
|
#if JERRY_ESNEXT
|
|
/**
|
|
* [[Set]] ( P, V, Receiver) operation part for ordinary objects
|
|
*
|
|
* See also: ECMAScript v6, 9.19.9
|
|
*
|
|
* @return ecma value
|
|
* The returned value must be freed with ecma_free_value.
|
|
*/
|
|
static ecma_value_t
|
|
ecma_op_object_put_apply_receiver (ecma_value_t receiver, /**< receiver */
|
|
ecma_string_t *property_name_p, /**< property name */
|
|
ecma_value_t value, /**< value to set */
|
|
bool is_throw) /**< flag that controls failure handling */
|
|
{
|
|
/* 5.b */
|
|
if (!ecma_is_value_object (receiver))
|
|
{
|
|
return ecma_reject (is_throw);
|
|
}
|
|
|
|
ecma_object_t *receiver_obj_p = ecma_get_object_from_value (receiver);
|
|
|
|
ecma_property_descriptor_t prop_desc;
|
|
/* 5.c */
|
|
ecma_value_t status = ecma_op_object_get_own_property_descriptor (receiver_obj_p,
|
|
property_name_p,
|
|
&prop_desc);
|
|
|
|
/* 5.d */
|
|
if (ECMA_IS_VALUE_ERROR (status))
|
|
{
|
|
return status;
|
|
}
|
|
|
|
/* 5.e */
|
|
if (ecma_is_value_true (status))
|
|
{
|
|
ecma_value_t result;
|
|
|
|
/* 5.e.i - 5.e.ii */
|
|
if (prop_desc.flags & (ECMA_PROP_IS_GET_DEFINED | ECMA_PROP_IS_SET_DEFINED)
|
|
|| !(prop_desc.flags & ECMA_PROP_IS_WRITABLE))
|
|
{
|
|
result = ecma_reject (is_throw);
|
|
}
|
|
else
|
|
{
|
|
/* 5.e.iii */
|
|
JERRY_ASSERT (prop_desc.flags & ECMA_PROP_IS_VALUE_DEFINED);
|
|
ecma_free_value (prop_desc.value);
|
|
prop_desc.value = ecma_copy_value (value);
|
|
|
|
/* 5.e.iv */
|
|
result = ecma_op_object_define_own_property (receiver_obj_p, property_name_p, &prop_desc);
|
|
|
|
if (JERRY_UNLIKELY (ecma_is_value_false (result)) && is_throw)
|
|
{
|
|
result = ecma_raise_type_error (ECMA_ERR_MSG ("Proxy trap returned falsish"));
|
|
}
|
|
}
|
|
|
|
ecma_free_property_descriptor (&prop_desc);
|
|
|
|
return result;
|
|
}
|
|
|
|
#if JERRY_BUILTIN_PROXY
|
|
if (ECMA_OBJECT_IS_PROXY (receiver_obj_p))
|
|
{
|
|
ecma_property_descriptor_t desc;
|
|
/* Based on: ES6 9.1.9 [[Set]] 4.d.i. / ES11 9.1.9.2 OrdinarySetWithOwnDescriptor 2.c.i. */
|
|
desc.flags = (ECMA_PROP_IS_CONFIGURABLE
|
|
| ECMA_PROP_IS_CONFIGURABLE_DEFINED
|
|
| ECMA_PROP_IS_ENUMERABLE
|
|
| ECMA_PROP_IS_ENUMERABLE_DEFINED
|
|
| ECMA_PROP_IS_WRITABLE
|
|
| ECMA_PROP_IS_WRITABLE_DEFINED
|
|
| ECMA_PROP_IS_VALUE_DEFINED);
|
|
desc.value = value;
|
|
ecma_value_t ret_value = ecma_proxy_object_define_own_property (receiver_obj_p, property_name_p, &desc);
|
|
|
|
if (JERRY_UNLIKELY (ecma_is_value_false (ret_value)) && is_throw)
|
|
{
|
|
ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Proxy trap returned falsish"));
|
|
}
|
|
|
|
return ret_value;
|
|
}
|
|
#endif /* JERRY_BUILTIN_PROXY */
|
|
|
|
if (JERRY_UNLIKELY (ecma_op_object_is_fast_array (receiver_obj_p)))
|
|
{
|
|
ecma_fast_array_convert_to_normal (receiver_obj_p);
|
|
}
|
|
|
|
/* 5.f.i */
|
|
ecma_property_value_t *new_prop_value_p;
|
|
new_prop_value_p = ecma_create_named_data_property (receiver_obj_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;
|
|
} /* ecma_op_object_put_apply_receiver */
|
|
#endif /* JERRY_ESNEXT */
|
|
|
|
/**
|
|
* [[Put]] ecma general object's operation with given receiver
|
|
*
|
|
* See also:
|
|
* ECMA-262 v5, 8.6.2; ECMA-262 v5, Table 8
|
|
* ECMA-262 v5, 8.12.5
|
|
* ECMA-262 v6, 9.1.9
|
|
* 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_with_receiver (ecma_object_t *object_p, /**< the object */
|
|
ecma_string_t *property_name_p, /**< property name */
|
|
ecma_value_t value, /**< ecma value */
|
|
ecma_value_t receiver, /**< receiver */
|
|
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);
|
|
|
|
#if JERRY_BUILTIN_PROXY
|
|
if (ECMA_OBJECT_IS_PROXY (object_p))
|
|
{
|
|
return ecma_proxy_object_set (object_p, property_name_p, value, receiver, is_throw);
|
|
}
|
|
#endif /* JERRY_BUILTIN_PROXY */
|
|
|
|
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 ((ecma_property_t) ext_object_p->u.array.length_prop_and_hole_count))
|
|
{
|
|
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)))
|
|
{
|
|
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
|
|
&& (ext_object_p->u.pseudo_array.extra_info & ECMA_ARGUMENTS_OBJECT_MAPPED))
|
|
{
|
|
uint32_t index = ecma_string_get_array_index (property_name_p);
|
|
|
|
if (index < ext_object_p->u.pseudo_array.u1.formal_params_number)
|
|
{
|
|
ecma_mapped_arguments_t *mapped_arguments_p = (ecma_mapped_arguments_t *) ext_object_p;
|
|
|
|
ecma_value_t *argv_p = (ecma_value_t *) (mapped_arguments_p + 1);
|
|
|
|
if (!ecma_is_value_empty (argv_p[index]))
|
|
{
|
|
ecma_string_t *name_p = ecma_op_arguments_object_get_formal_parameter (mapped_arguments_p, index);
|
|
ecma_object_t *lex_env_p = ECMA_GET_INTERNAL_VALUE_POINTER (ecma_object_t, mapped_arguments_p->lex_env);
|
|
ecma_op_set_mutable_binding (lex_env_p, name_p, value, true);
|
|
return ECMA_VALUE_TRUE;
|
|
}
|
|
}
|
|
}
|
|
#if JERRY_BUILTIN_TYPEDARRAY
|
|
/* ES2015 9.4.5.5 */
|
|
if (ecma_object_is_typedarray (object_p))
|
|
{
|
|
if (ecma_prop_name_is_symbol (property_name_p))
|
|
{
|
|
break;
|
|
}
|
|
|
|
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_FALSE;
|
|
}
|
|
|
|
uint32_t byte_pos = array_index << info.shift;
|
|
return ecma_set_typedarray_element (info.buffer_p + byte_pos, value, info.id);
|
|
}
|
|
|
|
ecma_number_t num = ecma_string_to_number (property_name_p);
|
|
ecma_string_t *num_to_str = ecma_new_ecma_string_from_number (num);
|
|
bool is_same = ecma_compare_ecma_strings (property_name_p, num_to_str);
|
|
ecma_deref_ecma_string (num_to_str);
|
|
|
|
if (is_same)
|
|
{
|
|
return ECMA_VALUE_FALSE;
|
|
}
|
|
}
|
|
#endif /* JERRY_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))
|
|
{
|
|
if (type == ECMA_OBJECT_TYPE_NATIVE_FUNCTION && ecma_builtin_function_is_routine (object_p))
|
|
{
|
|
property_p = ecma_builtin_routine_try_to_instantiate_property (object_p, property_name_p);
|
|
}
|
|
else
|
|
{
|
|
property_p = ecma_builtin_try_to_instantiate_property (object_p, property_name_p);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
switch (type)
|
|
{
|
|
case 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);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case ECMA_OBJECT_TYPE_FUNCTION:
|
|
{
|
|
#if JERRY_ESNEXT
|
|
/* Uninitialized 'length' property is non-writable (ECMA-262 v6, 19.2.4.1) */
|
|
if ((ecma_string_is_length (property_name_p))
|
|
&& (!ECMA_GET_FIRST_BIT_FROM_POINTER_TAG (((ecma_extended_object_t *) object_p)->u.function.scope_cp)))
|
|
{
|
|
return ecma_reject (is_throw);
|
|
}
|
|
#else /* !JERRY_ESNEXT */
|
|
if (ecma_string_is_length (property_name_p))
|
|
{
|
|
return ecma_reject (is_throw);
|
|
}
|
|
#endif /* JERRY_ESNEXT */
|
|
|
|
/* Get prototype physical property. */
|
|
property_p = ecma_op_function_try_to_lazy_instantiate_property (object_p, property_name_p);
|
|
break;
|
|
}
|
|
case ECMA_OBJECT_TYPE_NATIVE_FUNCTION:
|
|
{
|
|
property_p = ecma_op_external_function_try_to_lazy_instantiate_property (object_p, property_name_p);
|
|
break;
|
|
}
|
|
case ECMA_OBJECT_TYPE_BOUND_FUNCTION:
|
|
{
|
|
property_p = ecma_op_bound_function_try_to_lazy_instantiate_property (object_p, property_name_p);
|
|
break;
|
|
}
|
|
case ECMA_OBJECT_TYPE_PSEUDO_ARRAY:
|
|
{
|
|
if (((ecma_extended_object_t *) object_p)->u.pseudo_array.type == ECMA_PSEUDO_ARRAY_ARGUMENTS)
|
|
{
|
|
property_p = ecma_op_arguments_object_try_to_lazy_instantiate_property (object_p, property_name_p);
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
jmem_cpointer_t setter_cp = JMEM_CP_NULL;
|
|
|
|
if (property_p != NULL)
|
|
{
|
|
JERRY_ASSERT (ECMA_PROPERTY_IS_RAW (*property_p));
|
|
|
|
if (*property_p & ECMA_PROPERTY_FLAG_DATA)
|
|
{
|
|
if (ecma_is_property_writable (*property_p))
|
|
{
|
|
#if JERRY_ESNEXT
|
|
if (ecma_make_object_value (object_p) != receiver)
|
|
{
|
|
return ecma_op_object_put_apply_receiver (receiver, property_name_p, value, is_throw);
|
|
}
|
|
#endif /* JERRY_ESNEXT */
|
|
|
|
/* 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
|
|
{
|
|
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;
|
|
|
|
jmem_cpointer_t obj_cp;
|
|
ECMA_SET_NON_NULL_POINTER (obj_cp, object_p);
|
|
ecma_object_t *proto_p = object_p;
|
|
|
|
while (true)
|
|
{
|
|
obj_cp = ecma_op_ordinary_object_get_prototype_of (proto_p);
|
|
|
|
if (obj_cp == JMEM_CP_NULL)
|
|
{
|
|
break;
|
|
}
|
|
|
|
ecma_property_ref_t property_ref = { NULL };
|
|
proto_p = ECMA_GET_NON_NULL_POINTER (ecma_object_t, obj_cp);
|
|
|
|
#if JERRY_BUILTIN_PROXY
|
|
if (ECMA_OBJECT_IS_PROXY (proto_p))
|
|
{
|
|
return ecma_op_object_put_with_receiver (proto_p,
|
|
property_name_p,
|
|
value,
|
|
receiver,
|
|
is_throw);
|
|
}
|
|
#endif /* JERRY_BUILTIN_PROXY */
|
|
|
|
ecma_property_t inherited_property = ecma_op_object_get_own_property (proto_p,
|
|
property_name_p,
|
|
&property_ref,
|
|
ECMA_PROPERTY_GET_NO_OPTIONS);
|
|
|
|
if (inherited_property != ECMA_PROPERTY_TYPE_NOT_FOUND
|
|
&& inherited_property != ECMA_PROPERTY_TYPE_NOT_FOUND_AND_STOP)
|
|
{
|
|
JERRY_ASSERT (ECMA_PROPERTY_IS_NAMED_PROPERTY (inherited_property));
|
|
|
|
if (!(inherited_property & ECMA_PROPERTY_FLAG_DATA))
|
|
{
|
|
setter_cp = ecma_get_named_accessor_property (property_ref.value_p)->setter_cp;
|
|
create_new_property = false;
|
|
break;
|
|
}
|
|
|
|
create_new_property = ecma_is_property_writable (inherited_property);
|
|
break;
|
|
}
|
|
}
|
|
|
|
#if JERRY_BUILTIN_PROXY
|
|
if (create_new_property
|
|
&& ecma_is_value_object (receiver)
|
|
&& ECMA_OBJECT_IS_PROXY (ecma_get_object_from_value (receiver)))
|
|
{
|
|
return ecma_op_object_put_apply_receiver (receiver, property_name_p, value, is_throw);
|
|
}
|
|
#endif /* JERRY_BUILTIN_PROXY */
|
|
|
|
if (create_new_property
|
|
&& ecma_op_ordinary_object_is_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
|
|
&& ext_object_p->u.pseudo_array.extra_info & ECMA_ARGUMENTS_OBJECT_MAPPED)
|
|
{
|
|
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 ((ecma_property_t) ext_object_p->u.array.length_prop_and_hole_count))
|
|
{
|
|
return ecma_reject (is_throw);
|
|
}
|
|
|
|
ext_object_p->u.array.length = index + 1;
|
|
}
|
|
}
|
|
|
|
#if JERRY_ESNEXT
|
|
return ecma_op_object_put_apply_receiver (receiver, property_name_p, value, is_throw);
|
|
#endif /* JERRY_ESNEXT */
|
|
|
|
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),
|
|
receiver,
|
|
&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_with_receiver */
|
|
|
|
/**
|
|
* [[Delete]] ecma object's operation specialized for 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_index (ecma_object_t *obj_p, /**< the object */
|
|
ecma_length_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_ecma_string_from_length (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_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_strict) /**< 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_strict);
|
|
}
|
|
}
|
|
|
|
#if JERRY_BUILTIN_PROXY
|
|
if (ECMA_OBJECT_IS_PROXY (obj_p))
|
|
{
|
|
return ecma_proxy_object_delete_property (obj_p, property_name_p, is_strict);
|
|
}
|
|
#endif /* JERRY_BUILTIN_PROXY */
|
|
|
|
JERRY_ASSERT_OBJECT_TYPE_IS_VALID (ecma_get_object_type (obj_p));
|
|
|
|
return ecma_op_general_object_delete (obj_p,
|
|
property_name_p,
|
|
is_strict);
|
|
} /* 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_NATIVE_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
|
|
* };
|
|
*
|
|
* 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);
|
|
|
|
#if JERRY_BUILTIN_PROXY
|
|
if (ECMA_OBJECT_IS_PROXY (obj_p))
|
|
{
|
|
return ecma_proxy_object_define_own_property (obj_p, property_name_p, property_desc_p);
|
|
}
|
|
#endif /* JERRY_BUILTIN_PROXY */
|
|
|
|
switch (type)
|
|
{
|
|
case ECMA_OBJECT_TYPE_GENERAL:
|
|
case ECMA_OBJECT_TYPE_CLASS:
|
|
case ECMA_OBJECT_TYPE_FUNCTION:
|
|
case ECMA_OBJECT_TYPE_NATIVE_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 JERRY_BUILTIN_TYPEDARRAY
|
|
if (ext_object_p->u.pseudo_array.type == ECMA_PSEUDO_ARRAY_ARGUMENTS)
|
|
{
|
|
#else /* !JERRY_BUILTIN_TYPEDARRAY */
|
|
JERRY_ASSERT (ext_object_p->u.pseudo_array.type == ECMA_PSEUDO_ARRAY_ARGUMENTS);
|
|
#endif /* JERRY_BUILTIN_TYPEDARRAY */
|
|
return ecma_op_arguments_object_define_own_property (obj_p,
|
|
property_name_p,
|
|
property_desc_p);
|
|
#if JERRY_BUILTIN_TYPEDARRAY
|
|
}
|
|
/* ES2015 9.4.5.3 */
|
|
if (ecma_object_is_typedarray (obj_p))
|
|
{
|
|
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);
|
|
}
|
|
uint32_t array_index = ecma_string_get_array_index (property_name_p);
|
|
|
|
if (array_index != ECMA_STRING_NOT_ARRAY_INDEX)
|
|
{
|
|
ecma_value_t define_status = ecma_op_typedarray_define_index_prop (obj_p,
|
|
array_index,
|
|
property_desc_p);
|
|
|
|
if (ECMA_IS_VALUE_ERROR (define_status))
|
|
{
|
|
return define_status;
|
|
}
|
|
|
|
if (ecma_is_value_true (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);
|
|
bool is_same = ecma_compare_ecma_strings (property_name_p, num_to_str);
|
|
ecma_deref_ecma_string (num_to_str);
|
|
|
|
if (is_same)
|
|
{
|
|
return ecma_reject (property_desc_p->flags & ECMA_PROP_IS_THROW);
|
|
}
|
|
}
|
|
|
|
return ecma_op_general_object_define_own_property (obj_p,
|
|
property_name_p,
|
|
property_desc_p);
|
|
#else /* !JERRY_BUILTIN_TYPEDARRAY */
|
|
break;
|
|
#endif /* JERRY_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]
|
|
* }.
|
|
*
|
|
* The output property descriptor will always be initialized to an empty descriptor.
|
|
*
|
|
* @return ECMA_VALUE_ERROR - if the Proxy.[[GetOwnProperty]] operation raises error
|
|
* ECMA_VALUE_{TRUE, FALSE} - if property found or not
|
|
*/
|
|
ecma_value_t
|
|
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 */
|
|
{
|
|
*prop_desc_p = ecma_make_empty_property_descriptor ();
|
|
|
|
#if JERRY_BUILTIN_PROXY
|
|
if (ECMA_OBJECT_IS_PROXY (object_p))
|
|
{
|
|
return ecma_proxy_object_get_own_property_descriptor (object_p, property_name_p, prop_desc_p);
|
|
}
|
|
#endif /* JERRY_BUILTIN_PROXY */
|
|
|
|
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 ECMA_VALUE_FALSE;
|
|
}
|
|
|
|
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);
|
|
|
|
if (property & ECMA_PROPERTY_FLAG_DATA)
|
|
{
|
|
if (!ECMA_PROPERTY_IS_VIRTUAL (property))
|
|
{
|
|
prop_desc_p->value = ecma_copy_value (property_ref.value_p->value);
|
|
}
|
|
else
|
|
{
|
|
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 ECMA_VALUE_TRUE;
|
|
} /* ecma_op_object_get_own_property_descriptor */
|
|
|
|
#if JERRY_BUILTIN_PROXY
|
|
/**
|
|
* Get property descriptor from a target value for a specified property.
|
|
*
|
|
* For more details see ecma_op_object_get_own_property_descriptor
|
|
*
|
|
* @return ECMA_VALUE_ERROR - if the Proxy.[[GetOwnProperty]] operation raises error
|
|
* ECMA_VALUE_{TRUE, FALSE} - if property found or not
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_get_own_property_descriptor (ecma_value_t target, /**< target value */
|
|
ecma_string_t *property_name_p, /**< property name */
|
|
ecma_property_descriptor_t *prop_desc_p) /**< property descriptor */
|
|
{
|
|
if (!ecma_is_value_object (target))
|
|
{
|
|
return ECMA_VALUE_FALSE;
|
|
}
|
|
|
|
return ecma_op_object_get_own_property_descriptor (ecma_get_object_from_value (target), property_name_p, prop_desc_p);
|
|
} /* ecma_op_get_own_property_descriptor */
|
|
#endif /* JERRY_BUILTIN_PROXY */
|
|
|
|
/**
|
|
* [[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));
|
|
|
|
JERRY_ASSERT_OBJECT_TYPE_IS_VALID (ecma_get_object_type (obj_p));
|
|
|
|
if (ecma_op_object_is_callable (obj_p))
|
|
{
|
|
return ecma_op_function_has_instance (obj_p, value);
|
|
}
|
|
|
|
return ecma_raise_type_error (ECMA_ERR_MSG ("Expected a function object"));
|
|
} /* ecma_op_object_has_instance */
|
|
|
|
/**
|
|
* General [[GetPrototypeOf]] abstract operation
|
|
*
|
|
* Note: returned valid object must be freed.
|
|
*
|
|
* @return ecma_object_t * - prototype of the input object.
|
|
* ECMA_OBJECT_POINTER_ERROR - error reported during Proxy resolve.
|
|
* NULL - the input object does not have a prototype.
|
|
*/
|
|
ecma_object_t *
|
|
ecma_op_object_get_prototype_of (ecma_object_t *obj_p) /**< input object */
|
|
{
|
|
JERRY_ASSERT (obj_p != NULL);
|
|
|
|
#if JERRY_BUILTIN_PROXY
|
|
if (ECMA_OBJECT_IS_PROXY (obj_p))
|
|
{
|
|
ecma_value_t proto = ecma_proxy_object_get_prototype_of (obj_p);
|
|
|
|
if (ECMA_IS_VALUE_ERROR (proto))
|
|
{
|
|
return ECMA_OBJECT_POINTER_ERROR;
|
|
}
|
|
if (ecma_is_value_null (proto))
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
JERRY_ASSERT (ecma_is_value_object (proto));
|
|
|
|
return ecma_get_object_from_value (proto);
|
|
}
|
|
else
|
|
#endif /* JERRY_BUILTIN_PROXY */
|
|
{
|
|
jmem_cpointer_t proto_cp = ecma_op_ordinary_object_get_prototype_of (obj_p);
|
|
|
|
if (proto_cp == JMEM_CP_NULL)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
ecma_object_t *proto_p = ECMA_GET_NON_NULL_POINTER (ecma_object_t, proto_cp);
|
|
ecma_ref_object (proto_p);
|
|
|
|
return proto_p;
|
|
}
|
|
} /* ecma_op_object_get_prototype_of */
|
|
|
|
/**
|
|
* Object's isPrototypeOf operation
|
|
*
|
|
* See also:
|
|
* ECMA-262 v5, 15.2.4.6; 3
|
|
*
|
|
* @return ECMA_VALUE_ERROR - if the operation fails
|
|
* ECMA_VALUE_TRUE - if the target object is prototype of the base object
|
|
* ECMA_VALUE_FALSE - if the target object is not prototype of the base object
|
|
*/
|
|
ecma_value_t
|
|
ecma_op_object_is_prototype_of (ecma_object_t *base_p, /**< base object */
|
|
ecma_object_t *target_p) /**< target object */
|
|
{
|
|
ecma_ref_object (target_p);
|
|
|
|
do
|
|
{
|
|
ecma_object_t *proto_p = ecma_op_object_get_prototype_of (target_p);
|
|
ecma_deref_object (target_p);
|
|
|
|
if (proto_p == NULL)
|
|
{
|
|
return ECMA_VALUE_FALSE;
|
|
}
|
|
else if (proto_p == ECMA_OBJECT_POINTER_ERROR)
|
|
{
|
|
return ECMA_VALUE_ERROR;
|
|
}
|
|
else if (proto_p == base_p)
|
|
{
|
|
ecma_deref_object (proto_p);
|
|
return ECMA_VALUE_TRUE;
|
|
}
|
|
|
|
/* Advance up on prototype chain. */
|
|
target_p = proto_p;
|
|
}
|
|
while (true);
|
|
} /* ecma_op_object_is_prototype_of */
|
|
|
|
/**
|
|
* Object's EnumerableOwnPropertyNames operation
|
|
*
|
|
* See also:
|
|
* ECMA-262 v11, 7.3.23
|
|
*
|
|
* @return NULL - if operation fails
|
|
* collection of property names / values / name-value pairs - otherwise
|
|
*/
|
|
ecma_collection_t *
|
|
ecma_op_object_get_enumerable_property_names (ecma_object_t *obj_p, /**< routine's first argument */
|
|
ecma_enumerable_property_names_options_t option) /**< listing option */
|
|
{
|
|
/* 2. */
|
|
ecma_collection_t *prop_names_p = ecma_op_object_own_property_keys (obj_p);
|
|
|
|
#if JERRY_BUILTIN_PROXY
|
|
if (JERRY_UNLIKELY (prop_names_p == NULL))
|
|
{
|
|
return prop_names_p;
|
|
}
|
|
#endif /* JERRY_BUILTIN_PROXY */
|
|
|
|
ecma_value_t *names_buffer_p = prop_names_p->buffer_p;
|
|
/* 3. */
|
|
ecma_collection_t *properties_p = ecma_new_collection ();
|
|
|
|
/* 4. */
|
|
for (uint32_t i = 0; i < prop_names_p->item_count; i++)
|
|
{
|
|
/* 4.a */
|
|
if (ecma_is_value_string (names_buffer_p[i]))
|
|
{
|
|
ecma_string_t *key_p = ecma_get_string_from_value (names_buffer_p[i]);
|
|
|
|
/* 4.a.i */
|
|
ecma_property_descriptor_t prop_desc;
|
|
ecma_value_t status = ecma_op_object_get_own_property_descriptor (obj_p, key_p, &prop_desc);
|
|
|
|
if (ECMA_IS_VALUE_ERROR (status))
|
|
{
|
|
ecma_collection_free (prop_names_p);
|
|
ecma_collection_free (properties_p);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
const bool is_enumerable = (prop_desc.flags & ECMA_PROP_IS_ENUMERABLE) != 0;
|
|
ecma_free_property_descriptor (&prop_desc);
|
|
/* 4.a.ii */
|
|
if (is_enumerable)
|
|
{
|
|
/* 4.a.ii.1 */
|
|
if (option == ECMA_ENUMERABLE_PROPERTY_KEYS)
|
|
{
|
|
ecma_collection_push_back (properties_p, ecma_copy_value (names_buffer_p[i]));
|
|
}
|
|
else
|
|
{
|
|
/* 4.a.ii.2.a */
|
|
ecma_value_t value = ecma_op_object_get (obj_p, key_p);
|
|
|
|
if (ECMA_IS_VALUE_ERROR (value))
|
|
{
|
|
ecma_collection_free (prop_names_p);
|
|
ecma_collection_free (properties_p);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/* 4.a.ii.2.b */
|
|
if (option == ECMA_ENUMERABLE_PROPERTY_VALUES)
|
|
{
|
|
ecma_collection_push_back (properties_p, value);
|
|
}
|
|
else
|
|
{
|
|
/* 4.a.ii.2.c.i */
|
|
JERRY_ASSERT (option == ECMA_ENUMERABLE_PROPERTY_ENTRIES);
|
|
|
|
/* 4.a.ii.2.c.ii */
|
|
ecma_object_t *entry_p = ecma_op_new_array_object (2);
|
|
|
|
ecma_builtin_helper_def_prop_by_index (entry_p,
|
|
0,
|
|
names_buffer_p[i],
|
|
ECMA_PROPERTY_CONFIGURABLE_ENUMERABLE_WRITABLE);
|
|
ecma_builtin_helper_def_prop_by_index (entry_p,
|
|
1,
|
|
value,
|
|
ECMA_PROPERTY_CONFIGURABLE_ENUMERABLE_WRITABLE);
|
|
ecma_free_value (value);
|
|
|
|
/* 4.a.ii.2.c.iii */
|
|
ecma_collection_push_back (properties_p, ecma_make_object_value (entry_p));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
ecma_collection_free (prop_names_p);
|
|
|
|
return properties_p;
|
|
} /* ecma_op_object_get_enumerable_property_names */
|
|
|
|
/**
|
|
* Helper method to check if a given property is already in the collection or not
|
|
*
|
|
* @return true - if the property is already in the collection
|
|
* false - otherwise
|
|
*/
|
|
static bool
|
|
ecma_object_prop_name_is_duplicated (ecma_collection_t *prop_names_p, /**< prop name collection */
|
|
ecma_string_t *name_p) /**< property name */
|
|
{
|
|
for (uint64_t i = 0; i < prop_names_p->item_count; i++)
|
|
{
|
|
if (ecma_compare_ecma_strings (ecma_get_prop_name_from_value (prop_names_p->buffer_p[i]), name_p))
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
} /* ecma_object_prop_name_is_duplicated */
|
|
|
|
/**
|
|
* Helper method for getting lazy instantiated properties for [[OwnPropertyKeys]]
|
|
*/
|
|
static void
|
|
ecma_object_list_lazy_property_names (ecma_object_t *obj_p, /**< object */
|
|
ecma_collection_t *prop_names_p, /**< prop name collection */
|
|
ecma_property_counter_t *prop_counter_p) /**< prop counter */
|
|
{
|
|
const ecma_object_type_t type = ecma_get_object_type (obj_p);
|
|
const bool obj_is_builtin = ecma_get_object_is_builtin (obj_p);
|
|
|
|
if (obj_is_builtin)
|
|
{
|
|
if (type == ECMA_OBJECT_TYPE_NATIVE_FUNCTION && ecma_builtin_function_is_routine (obj_p))
|
|
{
|
|
ecma_builtin_routine_list_lazy_property_names (obj_p, prop_names_p, prop_counter_p);
|
|
}
|
|
else
|
|
{
|
|
ecma_builtin_list_lazy_property_names (obj_p, prop_names_p, prop_counter_p);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
switch (type)
|
|
{
|
|
case ECMA_OBJECT_TYPE_PSEUDO_ARRAY:
|
|
{
|
|
if (((ecma_extended_object_t *) obj_p)->u.pseudo_array.type == ECMA_PSEUDO_ARRAY_ARGUMENTS)
|
|
{
|
|
ecma_op_arguments_object_list_lazy_property_names (obj_p, prop_names_p, prop_counter_p);
|
|
}
|
|
#if JERRY_BUILTIN_TYPEDARRAY
|
|
if (ecma_object_is_typedarray (obj_p))
|
|
{
|
|
ecma_op_typedarray_list_lazy_property_names (obj_p, prop_names_p, prop_counter_p);
|
|
}
|
|
#endif /* JERRY_BUILTIN_TYPEDARRAY */
|
|
break;
|
|
}
|
|
case ECMA_OBJECT_TYPE_FUNCTION:
|
|
{
|
|
ecma_op_function_list_lazy_property_names (obj_p, prop_names_p, prop_counter_p);
|
|
break;
|
|
}
|
|
case ECMA_OBJECT_TYPE_NATIVE_FUNCTION:
|
|
{
|
|
ecma_op_external_function_list_lazy_property_names (obj_p, prop_names_p, prop_counter_p);
|
|
break;
|
|
}
|
|
case ECMA_OBJECT_TYPE_BOUND_FUNCTION:
|
|
{
|
|
ecma_op_bound_function_list_lazy_property_names (obj_p, prop_names_p, prop_counter_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, prop_names_p, prop_counter_p);
|
|
}
|
|
|
|
break;
|
|
}
|
|
case ECMA_OBJECT_TYPE_ARRAY:
|
|
{
|
|
ecma_collection_push_back (prop_names_p, ecma_make_magic_string_value (LIT_MAGIC_STRING_LENGTH));
|
|
prop_counter_p->string_named_props++;
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
JERRY_ASSERT (type == ECMA_OBJECT_TYPE_GENERAL);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
} /* ecma_object_list_lazy_property_names */
|
|
|
|
/**
|
|
* Helper method for sorting the given property names based on [[OwnPropertyKeys]]
|
|
*/
|
|
static void
|
|
ecma_object_sort_property_names (ecma_collection_t *prop_names_p, /**< prop name collection */
|
|
ecma_property_counter_t *prop_counter) /**< prop counter */
|
|
{
|
|
uint32_t lazy_string_prop_name_count = prop_counter->lazy_string_named_props;
|
|
#if JERRY_ESNEXT
|
|
uint32_t lazy_symbol_prop_name_count = prop_counter->lazy_symbol_named_props;
|
|
#endif /* JERRY_ESNEXT */
|
|
|
|
uint32_t string_name_pos = prop_counter->string_named_props;
|
|
#if JERRY_ESNEXT
|
|
uint32_t symbol_name_pos = prop_counter->symbol_named_props;
|
|
#endif /* JERRY_ESNEXT */
|
|
|
|
uint32_t all_prop_count = (prop_counter->array_index_named_props) + (string_name_pos);
|
|
#if JERRY_ESNEXT
|
|
all_prop_count += symbol_name_pos;
|
|
#endif /* JERRY_ESNEXT */
|
|
|
|
ecma_value_t *names_p = jmem_heap_alloc_block (all_prop_count * sizeof (ecma_value_t));
|
|
|
|
ecma_value_t *string_names_p = names_p + prop_counter->array_index_named_props;
|
|
#if JERRY_ESNEXT
|
|
ecma_value_t *symbol_names_p = string_names_p + string_name_pos;
|
|
#endif /* JERRY_ESNEXT */
|
|
|
|
uint32_t array_index_name_pos = 0;
|
|
uint32_t lazy_string_name_pos = 0;
|
|
#if JERRY_ESNEXT
|
|
uint32_t lazy_symbol_name_pos = 0;
|
|
#endif /* JERRY_ESNEXT */
|
|
|
|
for (uint32_t i = 0; i < prop_names_p->item_count; i++)
|
|
{
|
|
ecma_value_t prop_name = prop_names_p->buffer_p[i];
|
|
ecma_string_t *name_p = ecma_get_prop_name_from_value (prop_name);
|
|
uint32_t index = ecma_string_get_array_index (name_p);
|
|
|
|
/* sort array index named properties in ascending order */
|
|
if (index != ECMA_STRING_NOT_ARRAY_INDEX)
|
|
{
|
|
JERRY_ASSERT (array_index_name_pos < prop_counter->array_index_named_props);
|
|
|
|
uint32_t insert_pos = 0;
|
|
while (insert_pos < array_index_name_pos
|
|
&& index > ecma_string_get_array_index (ecma_get_string_from_value (names_p[insert_pos])))
|
|
{
|
|
insert_pos++;
|
|
}
|
|
|
|
if (insert_pos == array_index_name_pos)
|
|
{
|
|
names_p[array_index_name_pos++] = prop_name;
|
|
}
|
|
else
|
|
{
|
|
JERRY_ASSERT (insert_pos < array_index_name_pos);
|
|
JERRY_ASSERT (index <= ecma_string_get_array_index (ecma_get_string_from_value (names_p[insert_pos])));
|
|
|
|
uint32_t move_pos = array_index_name_pos++;
|
|
|
|
while (move_pos > insert_pos)
|
|
{
|
|
names_p[move_pos] = names_p[move_pos - 1u];
|
|
|
|
move_pos--;
|
|
}
|
|
|
|
names_p[insert_pos] = prop_name;
|
|
}
|
|
}
|
|
#if JERRY_ESNEXT
|
|
/* sort symbol named properites in creation order */
|
|
else if (ecma_prop_name_is_symbol (name_p))
|
|
{
|
|
JERRY_ASSERT (symbol_name_pos > 0);
|
|
JERRY_ASSERT (symbol_name_pos <= prop_counter->symbol_named_props);
|
|
|
|
if (i < lazy_symbol_prop_name_count)
|
|
{
|
|
symbol_names_p[lazy_symbol_name_pos++] = prop_name;
|
|
}
|
|
else
|
|
{
|
|
symbol_names_p[--symbol_name_pos] = prop_name;
|
|
}
|
|
}
|
|
#endif /* JERRY_ESNEXT */
|
|
/* sort string named properties in creation order */
|
|
else
|
|
{
|
|
JERRY_ASSERT (string_name_pos > 0);
|
|
JERRY_ASSERT (string_name_pos <= prop_counter->string_named_props);
|
|
|
|
if (i < lazy_string_prop_name_count)
|
|
{
|
|
string_names_p[lazy_string_name_pos++] = prop_name;
|
|
}
|
|
else
|
|
{
|
|
string_names_p[--string_name_pos] = prop_name;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Free the unsorted buffer and copy the sorted one in its place */
|
|
jmem_heap_free_block (prop_names_p->buffer_p, ECMA_COLLECTION_ALLOCATED_SIZE (prop_names_p->capacity));
|
|
prop_names_p->buffer_p = names_p;
|
|
prop_names_p->item_count = all_prop_count;
|
|
prop_names_p->capacity = all_prop_count;
|
|
} /* ecma_object_sort_property_names */
|
|
|
|
/**
|
|
* Object's [[OwnPropertyKeys]] internal method
|
|
*
|
|
* 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 NULL - if the Proxy.[[OwnPropertyKeys]] operation raises error
|
|
* collection of property names - otherwise
|
|
*/
|
|
ecma_collection_t *
|
|
ecma_op_object_own_property_keys (ecma_object_t *obj_p) /**< object */
|
|
{
|
|
#if JERRY_BUILTIN_PROXY
|
|
if (ECMA_OBJECT_IS_PROXY (obj_p))
|
|
{
|
|
return ecma_proxy_object_own_property_keys (obj_p);
|
|
}
|
|
#endif /* JERRY_BUILTIN_PROXY */
|
|
|
|
if (ecma_op_object_is_fast_array (obj_p))
|
|
{
|
|
return ecma_fast_array_object_own_property_keys (obj_p);
|
|
}
|
|
|
|
ecma_collection_t *prop_names_p = ecma_new_collection ();
|
|
ecma_property_counter_t prop_counter = {0, 0, 0, 0, 0};
|
|
|
|
ecma_object_list_lazy_property_names (obj_p, prop_names_p, &prop_counter);
|
|
|
|
prop_counter.lazy_string_named_props = prop_names_p->item_count - prop_counter.symbol_named_props;
|
|
prop_counter.lazy_symbol_named_props = prop_counter.symbol_named_props;
|
|
|
|
jmem_cpointer_t prop_iter_cp = obj_p->u1.property_list_cp;
|
|
|
|
#if 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 /* 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_IS_RAW (*property_p))
|
|
{
|
|
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)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
ecma_string_t *name_p = ecma_string_from_property_name (*property_p,
|
|
prop_pair_p->names_cp[i]);
|
|
|
|
if (!ecma_object_prop_name_is_duplicated (prop_names_p, name_p))
|
|
{
|
|
if (ecma_string_get_array_index (name_p) != ECMA_STRING_NOT_ARRAY_INDEX)
|
|
{
|
|
prop_counter.array_index_named_props++;
|
|
}
|
|
#if JERRY_ESNEXT
|
|
else if (ecma_prop_name_is_symbol (name_p))
|
|
{
|
|
prop_counter.symbol_named_props++;
|
|
}
|
|
#endif /* JERRY_ESNEXT */
|
|
else
|
|
{
|
|
prop_counter.string_named_props++;
|
|
}
|
|
|
|
ecma_collection_push_back (prop_names_p, ecma_make_prop_name_value (name_p));
|
|
}
|
|
else
|
|
{
|
|
ecma_deref_ecma_string (name_p);
|
|
}
|
|
}
|
|
}
|
|
|
|
prop_iter_cp = prop_iter_p->next_property_cp;
|
|
}
|
|
|
|
if (prop_names_p->item_count != 0)
|
|
{
|
|
ecma_object_sort_property_names (prop_names_p, &prop_counter);
|
|
}
|
|
|
|
return prop_names_p;
|
|
} /* ecma_op_object_own_property_keys */
|
|
|
|
/**
|
|
* EnumerateObjectProperties abstract method
|
|
*
|
|
* See also:
|
|
* ECMA-262 v11, 13.7.5.15
|
|
*
|
|
* @return NULL - if the Proxy.[[OwnPropertyKeys]] operation raises error
|
|
* collection of enumerable property names - otherwise
|
|
*/
|
|
ecma_collection_t *
|
|
ecma_op_object_enumerate (ecma_object_t *obj_p) /**< object */
|
|
{
|
|
ecma_collection_t *visited_names_p = ecma_new_collection ();
|
|
ecma_collection_t *return_names_p = ecma_new_collection ();
|
|
|
|
ecma_ref_object (obj_p);
|
|
|
|
while (true)
|
|
{
|
|
ecma_collection_t *keys = ecma_op_object_own_property_keys (obj_p);
|
|
|
|
#if JERRY_ESNEXT
|
|
if (JERRY_UNLIKELY (keys == NULL))
|
|
{
|
|
ecma_collection_free (return_names_p);
|
|
ecma_collection_free (visited_names_p);
|
|
ecma_deref_object (obj_p);
|
|
return keys;
|
|
}
|
|
#endif /* JERRY_ESNEXT */
|
|
|
|
for (uint32_t i = 0; i < keys->item_count; i++)
|
|
{
|
|
ecma_value_t prop_name = keys->buffer_p[i];
|
|
ecma_string_t *name_p = ecma_get_prop_name_from_value (prop_name);
|
|
|
|
#if JERRY_ESNEXT
|
|
if (ecma_prop_name_is_symbol (name_p))
|
|
{
|
|
continue;
|
|
}
|
|
#endif /* JERRY_ESNEXT */
|
|
|
|
ecma_property_descriptor_t prop_desc;
|
|
ecma_value_t get_desc = ecma_op_object_get_own_property_descriptor (obj_p, name_p, &prop_desc);
|
|
|
|
if (ECMA_IS_VALUE_ERROR (get_desc))
|
|
{
|
|
ecma_collection_free (keys);
|
|
ecma_collection_free (return_names_p);
|
|
ecma_collection_free (visited_names_p);
|
|
ecma_deref_object (obj_p);
|
|
return NULL;
|
|
}
|
|
|
|
if (ecma_is_value_true (get_desc))
|
|
{
|
|
bool is_enumerable = (prop_desc.flags & ECMA_PROP_IS_ENUMERABLE) != 0;
|
|
ecma_free_property_descriptor (&prop_desc);
|
|
|
|
if (ecma_collection_has_string_value (visited_names_p, name_p)
|
|
|| ecma_collection_has_string_value (return_names_p, name_p))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
ecma_ref_ecma_string (name_p);
|
|
|
|
if (is_enumerable)
|
|
{
|
|
ecma_collection_push_back (return_names_p, prop_name);
|
|
}
|
|
else
|
|
{
|
|
ecma_collection_push_back (visited_names_p, prop_name);
|
|
}
|
|
}
|
|
}
|
|
|
|
ecma_collection_free (keys);
|
|
|
|
/* Query the prototype. */
|
|
ecma_object_t *proto_p = ecma_op_object_get_prototype_of (obj_p);
|
|
ecma_deref_object (obj_p);
|
|
|
|
if (proto_p == NULL)
|
|
{
|
|
break;
|
|
}
|
|
else if (JERRY_UNLIKELY (proto_p == ECMA_OBJECT_POINTER_ERROR))
|
|
{
|
|
ecma_collection_free (return_names_p);
|
|
ecma_collection_free (visited_names_p);
|
|
return NULL;
|
|
}
|
|
|
|
/* Advance up on prototype chain. */
|
|
obj_p = proto_p;
|
|
}
|
|
|
|
ecma_collection_free (visited_names_p);
|
|
|
|
return return_names_p;
|
|
} /* ecma_op_object_enumerate */
|
|
|
|
#ifndef JERRY_NDEBUG
|
|
|
|
/**
|
|
* Check if passed object is the instance of specified built-in.
|
|
*
|
|
* @return true - if the object is instance of the specified built-in
|
|
* false - otherwise
|
|
*/
|
|
static bool
|
|
ecma_builtin_is (ecma_object_t *object_p, /**< pointer to an object */
|
|
ecma_builtin_id_t builtin_id) /**< id of built-in to check on */
|
|
{
|
|
JERRY_ASSERT (object_p != NULL && !ecma_is_lexical_environment (object_p));
|
|
JERRY_ASSERT (builtin_id < ECMA_BUILTIN_ID__COUNT);
|
|
|
|
if (!ecma_get_object_is_builtin (object_p))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (ECMA_BUILTIN_IS_EXTENDED_BUILT_IN (ecma_get_object_type (object_p)))
|
|
{
|
|
ecma_extended_built_in_object_t *extended_built_in_object_p = (ecma_extended_built_in_object_t *) object_p;
|
|
|
|
return (extended_built_in_object_p->built_in.id == builtin_id
|
|
&& extended_built_in_object_p->built_in.routine_id == 0);
|
|
}
|
|
|
|
ecma_extended_object_t *built_in_object_p = (ecma_extended_object_t *) object_p;
|
|
|
|
return (built_in_object_p->u.built_in.id == builtin_id
|
|
&& built_in_object_p->u.built_in.routine_id == 0);
|
|
} /* ecma_builtin_is */
|
|
|
|
#endif /* !JERRY_NDEBUG */
|
|
|
|
/**
|
|
* The function is used in the assert of ecma_object_get_class_name
|
|
*
|
|
* @return true - if class name is an object
|
|
* false - otherwise
|
|
*/
|
|
static inline bool
|
|
ecma_object_check_class_name_is_object (ecma_object_t *obj_p) /**< object */
|
|
{
|
|
#ifndef JERRY_NDEBUG
|
|
return (ecma_builtin_is_global (obj_p)
|
|
#if JERRY_BUILTIN_PROMISE
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_PROMISE_PROTOTYPE)
|
|
#endif /* JERRY_BUILTIN_PROMISE */
|
|
#if JERRY_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 JERRY_NUMBER_TYPE_FLOAT64
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_FLOAT64ARRAY_PROTOTYPE)
|
|
#endif /* JERRY_NUMBER_TYPE_FLOAT64 */
|
|
#if JERRY_BUILTIN_BIGINT
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_BIGINT64ARRAY_PROTOTYPE)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_BIGUINT64ARRAY_PROTOTYPE)
|
|
#endif /* JERRY_BUILTIN_BIGINT */
|
|
#endif /* JERRY_BUILTIN_TYPEDARRAY */
|
|
#if JERRY_ESNEXT
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_ARRAY_PROTOTYPE_UNSCOPABLES)
|
|
|| 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)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_REGEXP_STRING_ITERATOR_PROTOTYPE)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_EVAL_ERROR_PROTOTYPE)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_RANGE_ERROR_PROTOTYPE)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_REFERENCE_ERROR_PROTOTYPE)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_SYNTAX_ERROR_PROTOTYPE)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_GENERATOR_PROTOTYPE)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_TYPE_ERROR_PROTOTYPE)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_URI_ERROR_PROTOTYPE)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_ERROR_PROTOTYPE)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_DATE_PROTOTYPE)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_REGEXP_PROTOTYPE)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_SYMBOL_PROTOTYPE)
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_ASYNC_FUNCTION_PROTOTYPE)
|
|
#endif /* JERRY_ESNEXT */
|
|
#if JERRY_BUILTIN_MAP
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_MAP_PROTOTYPE)
|
|
#if JERRY_ESNEXT
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_MAP_ITERATOR_PROTOTYPE)
|
|
#endif /* JERRY_ESNEXT */
|
|
#endif /* JERRY_BUILTIN_MAP */
|
|
#if JERRY_BUILTIN_SET
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_SET_PROTOTYPE)
|
|
#if JERRY_ESNEXT
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_SET_ITERATOR_PROTOTYPE)
|
|
#endif /* JERRY_ESNEXT */
|
|
#endif /* JERRY_BUILTIN_SET */
|
|
#if JERRY_BUILTIN_WEAKMAP
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_WEAKMAP_PROTOTYPE)
|
|
#endif /* JERRY_BUILTIN_WEAKMAP */
|
|
#if JERRY_BUILTIN_WEAKSET
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_WEAKSET_PROTOTYPE)
|
|
#endif /* JERRY_BUILTIN_WEAKSET */
|
|
#if JERRY_BUILTIN_DATAVIEW
|
|
|| ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_DATAVIEW_PROTOTYPE)
|
|
#endif /* JERRY_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 JERRY_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 /* JERRY_BUILTIN_TYPEDARRAY */
|
|
#if JERRY_ESNEXT
|
|
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 /* JERRY_ESNEXT */
|
|
#if JERRY_ESNEXT
|
|
case ECMA_PSEUDO_STRING_ITERATOR:
|
|
{
|
|
return LIT_MAGIC_STRING_STRING_ITERATOR_UL;
|
|
}
|
|
case ECMA_PSEUDO_REGEXP_STRING_ITERATOR:
|
|
{
|
|
return LIT_MAGIC_STRING_REGEXP_STRING_ITERATOR_UL;
|
|
}
|
|
#endif /* JERRY_ESNEXT */
|
|
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:
|
|
case ECMA_OBJECT_TYPE_NATIVE_FUNCTION:
|
|
case ECMA_OBJECT_TYPE_BOUND_FUNCTION:
|
|
{
|
|
return LIT_MAGIC_STRING_FUNCTION_UL;
|
|
}
|
|
#if JERRY_BUILTIN_PROXY
|
|
case ECMA_OBJECT_TYPE_PROXY:
|
|
{
|
|
ecma_proxy_object_t *proxy_obj_p = (ecma_proxy_object_t *) obj_p;
|
|
|
|
if (!ecma_is_value_null (proxy_obj_p->target) && ecma_is_value_object (proxy_obj_p->target))
|
|
{
|
|
ecma_object_t *target_obj_p = ecma_get_object_from_value (proxy_obj_p->target);
|
|
return ecma_object_get_class_name (target_obj_p);
|
|
}
|
|
return LIT_MAGIC_STRING_OBJECT_UL;
|
|
}
|
|
#endif /* JERRY_BUILTIN_PROXY */
|
|
default:
|
|
{
|
|
JERRY_ASSERT (type == ECMA_OBJECT_TYPE_GENERAL || type == ECMA_OBJECT_TYPE_PROXY);
|
|
|
|
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 JERRY_BUILTIN_MATH
|
|
case ECMA_BUILTIN_ID_MATH:
|
|
{
|
|
return LIT_MAGIC_STRING_MATH_UL;
|
|
}
|
|
#endif /* JERRY_BUILTIN_MATH */
|
|
#if JERRY_BUILTIN_REFLECT
|
|
case ECMA_BUILTIN_ID_REFLECT:
|
|
{
|
|
return LIT_MAGIC_STRING_REFLECT_UL;
|
|
}
|
|
#endif /* JERRY_BUILTIN_REFLECT */
|
|
#if JERRY_ESNEXT
|
|
case ECMA_BUILTIN_ID_GENERATOR:
|
|
{
|
|
return LIT_MAGIC_STRING_GENERATOR_UL;
|
|
}
|
|
case ECMA_BUILTIN_ID_ASYNC_GENERATOR:
|
|
{
|
|
return LIT_MAGIC_STRING_ASYNC_GENERATOR_UL;
|
|
}
|
|
#endif /* JERRY_ESNEXT */
|
|
#if JERRY_BUILTIN_JSON
|
|
case ECMA_BUILTIN_ID_JSON:
|
|
{
|
|
return LIT_MAGIC_STRING_JSON_U;
|
|
}
|
|
#endif /* JERRY_BUILTIN_JSON */
|
|
#if !JERRY_ESNEXT
|
|
#if 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 /* JERRY_BUILTIN_ERRORS */
|
|
case ECMA_BUILTIN_ID_ERROR_PROTOTYPE:
|
|
{
|
|
return LIT_MAGIC_STRING_ERROR_UL;
|
|
}
|
|
#endif /* !JERRY_ESNEXT */
|
|
#if JERRY_BUILTIN_PROXY
|
|
case ECMA_BUILTIN_ID_PROXY:
|
|
{
|
|
return LIT_MAGIC_STRING_FUNCTION_UL;
|
|
}
|
|
#endif /* JERRY_BUILTIN_PROXY */
|
|
#if JERRY_BUILTIN_BIGINT
|
|
case ECMA_BUILTIN_ID_BIGINT:
|
|
{
|
|
return LIT_MAGIC_STRING_FUNCTION_UL;
|
|
}
|
|
#endif /* JERRY_BUILTIN_BIGINT */
|
|
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
|
|
*/
|
|
extern 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
|
|
*/
|
|
extern 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 JERRY_ESNEXT
|
|
/**
|
|
* 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_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 */
|
|
|
|
/**
|
|
* 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
|
|
*/
|
|
extern inline ecma_value_t JERRY_ATTR_ALWAYS_INLINE
|
|
ecma_op_invoke_by_symbol_id (ecma_value_t object, /**< Object value */
|
|
lit_magic_string_id_t symbol_id, /**< Symbol ID */
|
|
ecma_value_t *args_p, /**< Argument list */
|
|
uint32_t args_len) /**< Argument list length */
|
|
{
|
|
ecma_string_t *symbol_p = ecma_op_get_global_symbol (symbol_id);
|
|
ecma_value_t ret_value = ecma_op_invoke (object, symbol_p, args_p, args_len);
|
|
ecma_deref_ecma_string (symbol_p);
|
|
|
|
return ret_value;
|
|
} /* ecma_op_invoke_by_symbol_id */
|
|
#endif /* JERRY_ESNEXT */
|
|
|
|
/**
|
|
* 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
|
|
*/
|
|
extern 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 */
|
|
uint32_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 */
|
|
uint32_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);
|
|
|
|
#if JERRY_ESNEXT
|
|
ecma_value_t this_arg = object;
|
|
#else /* !JERRY_ESNEXT */
|
|
ecma_value_t this_arg = object_value;
|
|
#endif /* JERRY_ESNEXT */
|
|
|
|
ecma_value_t func = ecma_op_object_get_with_receiver (object_p, property_name_p, this_arg);
|
|
|
|
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, this_arg, args_p, args_len);
|
|
|
|
ecma_deref_object (object_p);
|
|
ecma_deref_object (func_obj_p);
|
|
|
|
return call_result;
|
|
} /* ecma_op_invoke */
|
|
|
|
/**
|
|
* Ordinary object [[GetPrototypeOf]] operation
|
|
*
|
|
* See also:
|
|
* ECMAScript v6, 9.1.1
|
|
*
|
|
* @return the value of the [[Prototype]] internal slot of the given object.
|
|
*/
|
|
extern inline jmem_cpointer_t JERRY_ATTR_ALWAYS_INLINE
|
|
ecma_op_ordinary_object_get_prototype_of (ecma_object_t *obj_p) /**< object */
|
|
{
|
|
JERRY_ASSERT (!ecma_is_lexical_environment (obj_p));
|
|
JERRY_ASSERT (!ECMA_OBJECT_IS_PROXY (obj_p));
|
|
|
|
return obj_p->u2.prototype_cp;
|
|
} /* ecma_op_ordinary_object_get_prototype_of */
|
|
|
|
/**
|
|
* Ordinary object [[SetPrototypeOf]] operation
|
|
*
|
|
* See also:
|
|
* ECMAScript v6, 9.1.2
|
|
*
|
|
* @return ECMA_VALUE_FALSE - if the operation fails
|
|
* ECMA_VALUE_TRUE - otherwise
|
|
*/
|
|
extern inline ecma_value_t JERRY_ATTR_ALWAYS_INLINE
|
|
ecma_op_ordinary_object_set_prototype_of (ecma_object_t *obj_p, /**< base object */
|
|
ecma_value_t proto) /**< prototype object */
|
|
{
|
|
JERRY_ASSERT (!ecma_is_lexical_environment (obj_p));
|
|
JERRY_ASSERT (!ECMA_OBJECT_IS_PROXY (obj_p));
|
|
|
|
/* 1. */
|
|
JERRY_ASSERT (ecma_is_value_object (proto) || ecma_is_value_null (proto));
|
|
|
|
/* 3. */
|
|
ecma_object_t *current_proto_p = ECMA_GET_POINTER (ecma_object_t, ecma_op_ordinary_object_get_prototype_of (obj_p));
|
|
ecma_object_t *new_proto_p = ecma_is_value_null (proto) ? NULL : ecma_get_object_from_value (proto);
|
|
|
|
/* 4. */
|
|
if (new_proto_p == current_proto_p)
|
|
{
|
|
return ECMA_VALUE_TRUE;
|
|
}
|
|
|
|
/* 2 - 5. */
|
|
if (!ecma_op_ordinary_object_is_extensible (obj_p))
|
|
{
|
|
return ECMA_VALUE_FALSE;
|
|
}
|
|
|
|
/**
|
|
* When the prototype of a fast array changes, it is required to convert the
|
|
* array to a "normal" array. This ensures that all [[Get]]/[[Set]]/etc.
|
|
* calls works as expected.
|
|
*/
|
|
if (ecma_op_object_is_fast_array (obj_p))
|
|
{
|
|
ecma_fast_array_convert_to_normal (obj_p);
|
|
}
|
|
|
|
/* 6. */
|
|
ecma_object_t *iter_p = new_proto_p;
|
|
|
|
/* 7 - 8. */
|
|
while (true)
|
|
{
|
|
/* 8.a */
|
|
if (iter_p == NULL)
|
|
{
|
|
break;
|
|
}
|
|
|
|
/* 8.b */
|
|
if (obj_p == iter_p)
|
|
{
|
|
return ECMA_VALUE_FALSE;
|
|
}
|
|
|
|
/* 8.c.i */
|
|
#if JERRY_BUILTIN_PROXY
|
|
if (ECMA_OBJECT_IS_PROXY (iter_p))
|
|
{
|
|
break;
|
|
}
|
|
#endif /* JERRY_BUILTIN_PROXY */
|
|
|
|
/* 8.c.ii */
|
|
iter_p = ECMA_GET_POINTER (ecma_object_t, ecma_op_ordinary_object_get_prototype_of (iter_p));
|
|
}
|
|
|
|
/* 9. */
|
|
ECMA_SET_POINTER (obj_p->u2.prototype_cp, new_proto_p);
|
|
|
|
/* 10. */
|
|
return ECMA_VALUE_TRUE;
|
|
} /* ecma_op_ordinary_object_set_prototype_of */
|
|
|
|
/**
|
|
* [[IsExtensible]] operation for Ordinary object.
|
|
*
|
|
* See also:
|
|
* ECMAScript v6, 9.1.2
|
|
*
|
|
* @return true - if object is extensible
|
|
* false - otherwise
|
|
*/
|
|
extern inline bool JERRY_ATTR_PURE
|
|
ecma_op_ordinary_object_is_extensible (ecma_object_t *object_p) /**< object */
|
|
{
|
|
JERRY_ASSERT (!ECMA_OBJECT_IS_PROXY (object_p));
|
|
|
|
bool is_extensible = (object_p->type_flags_refs & ECMA_OBJECT_FLAG_EXTENSIBLE) != 0;
|
|
|
|
JERRY_ASSERT (!ecma_op_object_is_fast_array (object_p) || is_extensible);
|
|
|
|
return is_extensible;
|
|
} /* ecma_op_ordinary_object_is_extensible */
|
|
|
|
/**
|
|
* Set value of [[Extensible]] object's internal property.
|
|
*/
|
|
void JERRY_ATTR_NOINLINE
|
|
ecma_op_ordinary_object_prevent_extensions (ecma_object_t *object_p) /**< object */
|
|
{
|
|
JERRY_ASSERT (!ECMA_OBJECT_IS_PROXY (object_p));
|
|
|
|
if (JERRY_UNLIKELY (ecma_op_object_is_fast_array (object_p)))
|
|
{
|
|
ecma_fast_array_convert_to_normal (object_p);
|
|
}
|
|
|
|
object_p->type_flags_refs &= (ecma_object_descriptor_t) ~ECMA_OBJECT_FLAG_EXTENSIBLE;
|
|
} /* ecma_op_ordinary_object_prevent_extensions */
|
|
|
|
/**
|
|
* Checks whether an object (excluding prototypes) has a named property
|
|
*
|
|
* @return true - if property is found
|
|
* false - otherwise
|
|
*/
|
|
extern inline bool JERRY_ATTR_ALWAYS_INLINE
|
|
ecma_op_ordinary_object_has_own_property (ecma_object_t *object_p, /**< the object */
|
|
ecma_string_t *property_name_p) /**< property name */
|
|
{
|
|
JERRY_ASSERT (!ECMA_OBJECT_IS_PROXY (object_p));
|
|
|
|
ecma_property_t property = ecma_op_object_get_own_property (object_p,
|
|
property_name_p,
|
|
NULL,
|
|
ECMA_PROPERTY_GET_NO_OPTIONS);
|
|
|
|
return property != ECMA_PROPERTY_TYPE_NOT_FOUND && property != ECMA_PROPERTY_TYPE_NOT_FOUND_AND_STOP;
|
|
} /* ecma_op_ordinary_object_has_own_property */
|
|
|
|
/**
|
|
* @}
|
|
* @}
|
|
*/
|