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Adding stubs for Object.prototype routines.
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392
src/libecmabuiltins/ecma-builtin-object-prototype-object.c
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392
src/libecmabuiltins/ecma-builtin-object-prototype-object.c
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/* Copyright 2014 Samsung Electronics Co., Ltd.
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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-alloc.h"
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#include "ecma-builtins.h"
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#include "ecma-conversion.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-objects.h"
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#include "ecma-string-object.h"
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#include "ecma-try-catch-macro.h"
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#include "globals.h"
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#define ECMA_BUILTINS_INTERNAL
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#include "ecma-builtins-internal.h"
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/** \addtogroup ecma ECMA
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* @{
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*
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* \addtogroup ecmabuiltins
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* @{
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*
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* \addtogroup objectprototype ECMA Object.prototype object built-in
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* @{
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*/
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/**
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* List of the Object.prototype object built-in object value properties in format 'macro (name, value)'.
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*/
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#define ECMA_BUILTIN_OBJECT_PROTOTYPE_OBJECT_OBJECT_VALUES_PROPERTY_LIST(macro) \
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macro (ECMA_MAGIC_STRING_CONSTRUCTOR, ecma_builtin_get (ECMA_BUILTIN_ID_OBJECT))
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/*
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Object.prototype.constructor
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Object.prototype.toString
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Object.prototype.toLocaleString
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Object.prototype.valueOf
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Object.prototype.hasOwnProperty
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Object.prototype.isPrototypeOf
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Object.prototype.propertyIsEnumerable
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*/
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/**
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* List of the Object.prototype object built-in routine properties in format
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* 'macro (name, C function name, arguments number of the routine, length value of the routine)'.
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*/
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#define ECMA_BUILTIN_OBJECT_PROTOTYPE_OBJECT_ROUTINES_PROPERTY_LIST(macro) \
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macro (ECMA_MAGIC_STRING_TO_STRING_UL, \
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ecma_builtin_object_prototype_object_to_string, \
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0, \
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0) \
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macro (ECMA_MAGIC_STRING_VALUE_OF_UL, \
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ecma_builtin_object_prototype_object_value_of, \
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0, \
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0) \
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macro (ECMA_MAGIC_STRING_TO_LOCALE_STRING_UL, \
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ecma_builtin_object_prototype_object_to_locale_string, \
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0, \
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0) \
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macro (ECMA_MAGIC_STRING_HAS_OWN_PROPERTY_UL, \
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ecma_builtin_object_prototype_object_has_own_property, \
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1, \
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1) \
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macro (ECMA_MAGIC_STRING_IS_PROTOTYPE_OF_UL, \
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ecma_builtin_object_prototype_object_is_prototype_of, \
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1, \
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1) \
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macro (ECMA_MAGIC_STRING_PROPERTY_IS_ENUMERABLE_UL, \
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ecma_builtin_object_prototype_object_property_is_enumerable, \
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1, \
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1)
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/**
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* List of the Object.prototype object's built-in property names
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*/
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static const ecma_magic_string_id_t ecma_builtin_property_names[] =
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{
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#define VALUE_PROP_LIST(name, value) name,
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#define ROUTINE_PROP_LIST(name, c_function_name, args_number, length) name,
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ECMA_BUILTIN_OBJECT_PROTOTYPE_OBJECT_OBJECT_VALUES_PROPERTY_LIST (VALUE_PROP_LIST)
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ECMA_BUILTIN_OBJECT_PROTOTYPE_OBJECT_ROUTINES_PROPERTY_LIST (ROUTINE_PROP_LIST)
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#undef VALUE_PROP_LIST
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#undef ROUTINE_PROP_LIST
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};
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/**
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* Number of the Object.prototype object's built-in properties
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*/
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const ecma_length_t ecma_builtin_object_prototype_property_number = (sizeof (ecma_builtin_property_names) /
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sizeof (ecma_magic_string_id_t));
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/**
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* The Object.prototype object's 'toString' routine
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*
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* See also:
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* ECMA-262 v5, 15.2.4.2
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*
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* @return completion value
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* Returned value must be freed with ecma_free_completion_value.
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*/
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static ecma_completion_value_t
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ecma_builtin_object_prototype_object_to_string (ecma_value_t this) /**< this argument */
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{
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JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (this);
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} /* ecma_builtin_object_prototype_object_to_string */
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/**
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* The Object.prototype object's 'valueOf' routine
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*
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* See also:
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* ECMA-262 v5, 15.2.4.4
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*
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* @return completion value
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* Returned value must be freed with ecma_free_completion_value.
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*/
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static ecma_completion_value_t
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ecma_builtin_object_prototype_object_value_of (ecma_value_t this) /**< this argument */
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{
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return ecma_builtin_object_prototype_object_to_string (this);
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} /* ecma_builtin_object_prototype_object_value_of */
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/**
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* The Object.prototype object's 'toLocaleString' routine
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*
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* See also:
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* ECMA-262 v5, 15.2.4.3
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*
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* @return completion value
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* Returned value must be freed with ecma_free_completion_value.
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*/
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static ecma_completion_value_t
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ecma_builtin_object_prototype_object_to_locale_string (ecma_value_t this) /**< this argument */
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{
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JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (this);
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} /* ecma_builtin_object_prototype_object_to_locale_string */
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/**
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* The Object.prototype object's 'hasOwnProperty' routine
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*
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* See also:
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* ECMA-262 v5, 15.2.4.5
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*
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* @return completion value
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* Returned value must be freed with ecma_free_completion_value.
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*/
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static ecma_completion_value_t
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ecma_builtin_object_prototype_object_has_own_property (ecma_value_t this, /**< this argument */
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ecma_value_t arg) /**< first argument */
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{
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JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (this, arg);
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} /* ecma_builtin_object_prototype_object_has_own_property */
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/**
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* The Object.prototype object's 'isPrototypeOf' routine
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*
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* See also:
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* ECMA-262 v5, 15.2.4.6
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*
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* @return completion value
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* Returned value must be freed with ecma_free_completion_value.
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*/
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static ecma_completion_value_t
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ecma_builtin_object_prototype_object_is_prototype_of (ecma_value_t this, /**< this argument */
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ecma_value_t arg) /**< routine's first argument */
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{
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JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (this, arg);
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} /* ecma_builtin_object_prototype_object_is_prototype_of */
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/**
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* The Object.prototype object's 'propertyIsEnumerable' routine
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*
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* See also:
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* ECMA-262 v5, 15.2.4.7
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*
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* @return completion value
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* Returned value must be freed with ecma_free_completion_value.
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*/
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static ecma_completion_value_t
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ecma_builtin_object_prototype_object_property_is_enumerable (ecma_value_t this, /**< this argument */
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ecma_value_t arg) /**< routine's first argument */
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{
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JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (this, arg);
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} /* ecma_builtin_object_prototype_object_property_is_enumerable */
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/**
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* If the property's name is one of built-in properties of the Object.prototype object
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* that is not instantiated yet, instantiate the property and
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* return pointer to the instantiated property.
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*
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* @return pointer property, if one was instantiated,
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* NULL - otherwise.
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*/
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ecma_property_t*
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ecma_builtin_object_prototype_try_to_instantiate_property (ecma_object_t *obj_p, /**< object */
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ecma_string_t *prop_name_p) /**< property's name */
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{
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JERRY_ASSERT (ecma_builtin_is (obj_p, ECMA_BUILTIN_ID_OBJECT_PROTOTYPE));
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JERRY_ASSERT (ecma_find_named_property (obj_p, prop_name_p) == NULL);
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ecma_magic_string_id_t id;
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if (!ecma_is_string_magic (prop_name_p, &id))
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{
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return NULL;
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}
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int32_t index = ecma_builtin_bin_search_for_magic_string_id_in_array (ecma_builtin_property_names,
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ecma_builtin_object_prototype_property_number,
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id);
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if (index == -1)
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{
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return NULL;
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}
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JERRY_ASSERT (index >= 0 && (uint32_t) index < sizeof (uint64_t) * JERRY_BITSINBYTE);
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uint32_t bit;
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ecma_internal_property_id_t mask_prop_id;
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if (index >= 32)
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{
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mask_prop_id = ECMA_INTERNAL_PROPERTY_NON_INSTANTIATED_BUILT_IN_MASK_32_63;
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bit = (uint32_t) 1u << (index - 32);
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}
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else
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{
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mask_prop_id = ECMA_INTERNAL_PROPERTY_NON_INSTANTIATED_BUILT_IN_MASK_0_31;
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bit = (uint32_t) 1u << index;
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}
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ecma_property_t *mask_prop_p = ecma_get_internal_property (obj_p, mask_prop_id);
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uint32_t bit_mask = mask_prop_p->u.internal_property.value;
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if (!(bit_mask & bit))
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{
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return NULL;
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}
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bit_mask &= ~bit;
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mask_prop_p->u.internal_property.value = bit_mask;
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ecma_value_t value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY);
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ecma_property_writable_value_t writable = ECMA_PROPERTY_WRITABLE;
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ecma_property_enumerable_value_t enumerable = ECMA_PROPERTY_NOT_ENUMERABLE;
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ecma_property_configurable_value_t configurable = ECMA_PROPERTY_CONFIGURABLE;
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switch (id)
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{
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#define CASE_ROUTINE_PROP_LIST(name, c_function_name, args_number, length) case name:
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ECMA_BUILTIN_OBJECT_PROTOTYPE_OBJECT_ROUTINES_PROPERTY_LIST (CASE_ROUTINE_PROP_LIST)
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#undef CASE_ROUTINE_PROP_LIST
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{
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ecma_object_t *func_obj_p = ecma_builtin_make_function_object_for_routine (ECMA_BUILTIN_ID_OBJECT_PROTOTYPE,
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id);
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value = ecma_make_object_value (func_obj_p);
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break;
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}
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#define CASE_VALUE_PROP_LIST(name, value) case name:
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ECMA_BUILTIN_OBJECT_PROTOTYPE_OBJECT_OBJECT_VALUES_PROPERTY_LIST (CASE_VALUE_PROP_LIST)
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#undef CASE_VALUE_PROP_LIST
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{
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writable = ECMA_PROPERTY_NOT_WRITABLE;
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enumerable = ECMA_PROPERTY_NOT_ENUMERABLE;
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configurable = ECMA_PROPERTY_NOT_CONFIGURABLE;
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switch (id)
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{
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#define CASE_OBJECT_VALUE_PROP_LIST(name, value_obj) case name: { value = ecma_make_object_value (value_obj); break; }
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ECMA_BUILTIN_OBJECT_PROTOTYPE_OBJECT_OBJECT_VALUES_PROPERTY_LIST (CASE_OBJECT_VALUE_PROP_LIST)
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#undef CASE_OBJECT_VALUE_PROP_LIST
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default:
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{
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JERRY_UNREACHABLE ();
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}
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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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JERRY_UNREACHABLE ();
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}
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}
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ecma_property_t *prop_p = ecma_create_named_data_property (obj_p,
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prop_name_p,
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writable,
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enumerable,
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configurable);
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prop_p->u.named_data_property.value = ecma_copy_value (value, false);
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ecma_gc_update_may_ref_younger_object_flag_by_value (obj_p,
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prop_p->u.named_data_property.value);
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ecma_free_value (value, true);
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return prop_p;
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} /* ecma_builtin_object_prototype_try_to_instantiate_property */
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/**
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* Dispatcher of the Object.prototype object's built-in routines
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*
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* @return completion-value
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* Returned value must be freed with ecma_free_completion_value.
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*/
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ecma_completion_value_t
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ecma_builtin_object_prototype_dispatch_routine (ecma_magic_string_id_t builtin_routine_id, /**< Object.prototype
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object's built-in
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routine's name */
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ecma_value_t this_arg_value __unused, /**< 'this' argument value */
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ecma_value_t arguments_list [], /**< list of arguments
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passed to routine */
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ecma_length_t arguments_number) /**< length of arguments' list */
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{
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const ecma_value_t value_undefined = ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED);
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switch (builtin_routine_id)
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{
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#define ROUTINE_ARG(n) (arguments_number >= n ? arguments_list[n - 1] : value_undefined)
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#define ROUTINE_ARG_LIST_0
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#define ROUTINE_ARG_LIST_1 , ROUTINE_ARG(1)
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#define ROUTINE_ARG_LIST_2 ROUTINE_ARG_LIST_1, ROUTINE_ARG(2)
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#define ROUTINE_ARG_LIST_3 ROUTINE_ARG_LIST_2, ROUTINE_ARG(3)
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#define ROUTINE_ARG_LIST_NON_FIXED , arguments_list, arguments_number
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#define CASE_ROUTINE_PROP_LIST(name, c_function_name, args_number, length) \
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case name: \
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{ \
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return c_function_name (this_arg_value ROUTINE_ARG_LIST_ ## args_number); \
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}
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ECMA_BUILTIN_OBJECT_PROTOTYPE_OBJECT_ROUTINES_PROPERTY_LIST (CASE_ROUTINE_PROP_LIST)
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#undef CASE_ROUTINE_PROP_LIST
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#undef ROUTINE_ARG_LIST_0
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#undef ROUTINE_ARG_LIST_1
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#undef ROUTINE_ARG_LIST_2
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#undef ROUTINE_ARG_LIST_3
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#undef ROUTINE_ARG_LIST_NON_FIXED
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default:
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{
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JERRY_UNREACHABLE ();
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}
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}
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} /* ecma_builtin_object_prototype_dispatch_routine */
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/**
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* Get number of routine's parameters
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*
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* @return number of parameters
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*/
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ecma_length_t
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ecma_builtin_object_prototype_get_routine_parameters_number (ecma_magic_string_id_t builtin_routine_id) /**< built-in
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routine's
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name */
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{
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switch (builtin_routine_id)
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{
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#define CASE_ROUTINE_PROP_LIST(name, c_function_name, args_number, length) case name: return length;
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ECMA_BUILTIN_OBJECT_PROTOTYPE_OBJECT_ROUTINES_PROPERTY_LIST (CASE_ROUTINE_PROP_LIST)
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#undef CASE_ROUTINE_PROP_LIST
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default:
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{
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JERRY_UNREACHABLE ();
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}
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}
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} /* ecma_builtin_object_prototype_get_routine_parameters_number */
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/**
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* @}
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* @}
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* @}
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*/
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@ -59,6 +59,11 @@ ecma_builtin_bin_search_for_magic_string_id_in_array (const ecma_magic_string_id
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* 'macro (builtin_id, object_type, object_class, object_prototype_builtin_id, lowercase_name)'
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*/
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#define ECMA_BUILTIN_LIST(macro) \
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macro (OBJECT_PROTOTYPE, \
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TYPE_GENERAL, \
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CLASS_OBJECT, \
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ECMA_BUILTIN_ID__COUNT /* no prototype */, \
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object_prototype) \
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macro (STRING_PROTOTYPE, \
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TYPE_GENERAL, \
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CLASS_STRING, \
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