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jerryscript/jerry-core/ecma/builtin-objects/ecma-builtin-object.cpp
Zsolt Borbély 1c19e5c8ab Fix the Object.getPrototypeOf function. 
Related issue: #208

JerryScript-DCO-1.0-Signed-off-by: Zsolt Borbély zsborbely.u-szeged@partner.samsung.com
2015-06-25 16:32:53 +02:00

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/* Copyright 2014-2015 Samsung Electronics Co., Ltd.
* Copyright 2015 University of Szeged.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "ecma-alloc.h"
#include "ecma-array-object.h"
#include "ecma-builtin-helpers.h"
#include "ecma-builtins.h"
#include "ecma-conversion.h"
#include "ecma-exceptions.h"
#include "ecma-gc.h"
#include "ecma-globals.h"
#include "ecma-helpers.h"
#include "ecma-objects.h"
#include "ecma-objects-general.h"
#include "ecma-try-catch-macro.h"
#include "jrt.h"
#define ECMA_BUILTINS_INTERNAL
#include "ecma-builtins-internal.h"
#define BUILTIN_INC_HEADER_NAME "ecma-builtin-object.inc.h"
#define BUILTIN_UNDERSCORED_ID object
#include "ecma-builtin-internal-routines-template.inc.h"
/** \addtogroup ecma ECMA
* @{
*
* \addtogroup ecmabuiltins
* @{
*
* \addtogroup object ECMA Object object built-in
* @{
*/
/**
* Handle calling [[Call]] of built-in Object object
*
* @return completion-value
*/
ecma_completion_value_t
ecma_builtin_object_dispatch_call (const ecma_value_t *arguments_list_p, /**< arguments list */
ecma_length_t arguments_list_len) /**< number of arguments */
{
JERRY_ASSERT (arguments_list_len == 0 || arguments_list_p != NULL);
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
if (arguments_list_len == 0
|| ecma_is_value_undefined (arguments_list_p[0])
|| ecma_is_value_null (arguments_list_p[0]))
{
ret_value = ecma_builtin_object_dispatch_construct (arguments_list_p, arguments_list_len);
}
else
{
ret_value = ecma_op_to_object (arguments_list_p[0]);
}
return ret_value;
} /* ecma_builtin_object_dispatch_call */
/**
* Handle calling [[Construct]] of built-in Object object
*
* @return completion-value
*/
ecma_completion_value_t
ecma_builtin_object_dispatch_construct (const ecma_value_t *arguments_list_p, /**< arguments list */
ecma_length_t arguments_list_len) /**< number of arguments */
{
JERRY_ASSERT (arguments_list_len == 0 || arguments_list_p != NULL);
if (arguments_list_len == 0)
{
ecma_object_t *obj_p = ecma_op_create_object_object_noarg ();
return ecma_make_normal_completion_value (ecma_make_object_value (obj_p));
}
else
{
ecma_completion_value_t new_obj_value = ecma_op_create_object_object_arg (arguments_list_p[0]);
if (!ecma_is_completion_value_normal (new_obj_value))
{
return new_obj_value;
}
else
{
return ecma_make_normal_completion_value (ecma_get_completion_value_value (new_obj_value));
}
}
} /* ecma_builtin_object_dispatch_construct */
/**
* The Object object's 'getPrototypeOf' routine
*
* See also:
* ECMA-262 v5, 15.2.3.2
*
* @return completion value
* Returned value must be freed with ecma_free_completion_value.
*/
static ecma_completion_value_t
ecma_builtin_object_object_get_prototype_of (ecma_value_t this_arg __attr_unused___, /**< 'this' argument */
ecma_value_t arg) /**< routine's argument */
{
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
/* 1. */
if (!ecma_is_value_object (arg))
{
ret_value = ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_TYPE));
}
else
{
/* 2. */
ecma_object_t *obj_p = ecma_get_object_from_value (arg);
ecma_object_t *prototype_p = ecma_get_object_prototype (obj_p);
if (prototype_p)
{
ret_value = ecma_make_normal_completion_value (ecma_make_object_value (prototype_p));
ecma_ref_object (prototype_p);
}
else
{
ret_value = ecma_make_simple_completion_value (ECMA_SIMPLE_VALUE_NULL);
}
}
return ret_value;
} /* ecma_builtin_object_object_get_prototype_of */
/**
* The Object object's 'getOwnPropertyNames' routine
*
* See also:
* ECMA-262 v5, 15.2.3.4
*
* @return completion value
* Returned value must be freed with ecma_free_completion_value.
*/
static ecma_completion_value_t
ecma_builtin_object_object_get_own_property_names (ecma_value_t this_arg __attr_unused___, /**< 'this' argument */
ecma_value_t arg) /**< routine's argument */
{
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
if (!ecma_is_value_object (arg))
{
/* 1. */
ret_value = ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_TYPE));
}
else
{
ecma_object_t *obj_p = ecma_get_object_from_value (arg);
/* 2-5. */
ret_value = ecma_builtin_helper_object_get_properties (obj_p, false);
}
return ret_value;
} /* ecma_builtin_object_object_get_own_property_names */
/**
* The Object object's 'seal' routine
*
* See also:
* ECMA-262 v5, 15.2.3.8
*
* @return completion value
* Returned value must be freed with ecma_free_completion_value.
*/
static ecma_completion_value_t
ecma_builtin_object_object_seal (ecma_value_t this_arg __attr_unused___, /**< 'this' argument */
ecma_value_t arg) /**< routine's argument */
{
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
// 1.
if (!ecma_is_value_object (arg))
{
ret_value = ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_TYPE));
}
else
{
// 2.
ecma_object_t *obj_p = ecma_get_object_from_value (arg);
ecma_property_t *property_p;
for (property_p = ecma_get_property_list (obj_p);
property_p != NULL && ecma_is_completion_value_empty (ret_value);
property_p = ECMA_GET_POINTER (ecma_property_t, property_p->next_property_p))
{
ecma_string_t *property_name_p;
if (property_p->type == ECMA_PROPERTY_NAMEDDATA)
{
property_name_p = ECMA_GET_NON_NULL_POINTER (ecma_string_t,
property_p->u.named_data_property.name_p);
}
else if (property_p->type == ECMA_PROPERTY_NAMEDACCESSOR)
{
property_name_p = ECMA_GET_NON_NULL_POINTER (ecma_string_t,
property_p->u.named_accessor_property.name_p);
}
else
{
continue;
}
// 2.a
ecma_property_descriptor_t prop_desc = ecma_get_property_descriptor_from_property (property_p);
// 2.b
if (ecma_is_property_configurable (property_p))
{
prop_desc.is_configurable = false;
}
// 2.c
ECMA_TRY_CATCH (define_own_prop_ret,
ecma_op_object_define_own_property (obj_p,
property_name_p,
&prop_desc,
true),
ret_value);
ECMA_FINALIZE (define_own_prop_ret);
ecma_free_property_descriptor (&prop_desc);
}
if (ecma_is_completion_value_empty (ret_value))
{
// 3.
ecma_set_object_extensible (obj_p, false);
// 4.
ret_value = ecma_make_normal_completion_value (ecma_copy_value (arg, true));
}
}
return ret_value;
} /* ecma_builtin_object_object_seal */
/**
* The Object object's 'freeze' routine
*
* See also:
* ECMA-262 v5, 15.2.3.9
*
* @return completion value
* Returned value must be freed with ecma_free_completion_value.
*/
static ecma_completion_value_t
ecma_builtin_object_object_freeze (ecma_value_t this_arg __attr_unused___, /**< 'this' argument */
ecma_value_t arg) /**< routine's argument */
{
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
// 1.
if (!ecma_is_value_object (arg))
{
ret_value = ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_TYPE));
}
else
{
// 2.
ecma_object_t *obj_p = ecma_get_object_from_value (arg);
ecma_property_t *property_p;
for (property_p = ecma_get_property_list (obj_p);
property_p != NULL && ecma_is_completion_value_empty (ret_value);
property_p = ECMA_GET_POINTER (ecma_property_t, property_p->next_property_p))
{
ecma_string_t *property_name_p;
if (property_p->type == ECMA_PROPERTY_NAMEDDATA)
{
property_name_p = ECMA_GET_NON_NULL_POINTER (ecma_string_t,
property_p->u.named_data_property.name_p);
}
else
if (property_p->type == ECMA_PROPERTY_NAMEDACCESSOR)
{
property_name_p = ECMA_GET_NON_NULL_POINTER (ecma_string_t,
property_p->u.named_accessor_property.name_p);
}
else
{
continue;
}
// 2.a
ecma_property_descriptor_t prop_desc = ecma_get_property_descriptor_from_property (property_p);
// 2.b
if (property_p->type == ECMA_PROPERTY_NAMEDDATA && ecma_is_property_writable (property_p))
{
prop_desc.is_writable = false;
}
// 2.c
if (ecma_is_property_configurable (property_p))
{
prop_desc.is_configurable = false;
}
// 2.d
ECMA_TRY_CATCH (define_own_prop_ret,
ecma_op_object_define_own_property (obj_p,
property_name_p,
&prop_desc,
true),
ret_value);
ECMA_FINALIZE (define_own_prop_ret);
ecma_free_property_descriptor (&prop_desc);
}
if (ecma_is_completion_value_empty (ret_value))
{
// 3.
ecma_set_object_extensible (obj_p, false);
// 4.
ret_value = ecma_make_normal_completion_value (ecma_copy_value (arg, true));
}
}
return ret_value;
} /* ecma_builtin_object_object_freeze */
/**
* The Object object's 'preventExtensions' routine
*
* See also:
* ECMA-262 v5, 15.2.3.10
*
* @return completion value
* Returned value must be freed with ecma_free_completion_value.
*/
static ecma_completion_value_t
ecma_builtin_object_object_prevent_extensions (ecma_value_t this_arg __attr_unused___, /**< 'this' argument */
ecma_value_t arg) /**< routine's argument */
{
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
if (!ecma_is_value_object (arg))
{
ret_value = ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_TYPE));
}
else
{
ecma_object_t *obj_p = ecma_get_object_from_value (arg);
ecma_set_object_extensible (obj_p, false);
ret_value = ecma_make_normal_completion_value (ecma_copy_value (arg, true));
}
return ret_value;
} /* ecma_builtin_object_object_prevent_extensions */
/**
* The Object object's 'isSealed' routine
*
* See also:
* ECMA-262 v5, 15.2.3.11
*
* @return completion value
* Returned value must be freed with ecma_free_completion_value.
*/
static ecma_completion_value_t
ecma_builtin_object_object_is_sealed (ecma_value_t this_arg __attr_unused___, /**< 'this' argument */
ecma_value_t arg) /**< routine's argument */
{
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
// 1.
if (!ecma_is_value_object (arg))
{
ret_value = ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_TYPE));
}
else
{
ecma_object_t *obj_p = ecma_get_object_from_value (arg);
ecma_property_t *property_p;
// This will be the result if the other steps doesn't change it.
bool sealed = false;
// 3.
// The pseudo code contains multiple early return but this way we get the same
// result.
if (!ecma_get_object_extensible (obj_p))
{
sealed = true;
}
// 2.
for (property_p = ecma_get_property_list (obj_p);
property_p != NULL && sealed;
property_p = ECMA_GET_POINTER (ecma_property_t, property_p->next_property_p))
{
if (property_p->type == ECMA_PROPERTY_INTERNAL)
{
continue;
}
JERRY_ASSERT (property_p->type == ECMA_PROPERTY_NAMEDDATA || property_p->type == ECMA_PROPERTY_NAMEDACCESSOR);
// 2.b
if (ecma_is_property_configurable (property_p))
{
sealed = false;
break;
}
}
// 4.
ret_value = ecma_make_simple_completion_value (sealed
? ECMA_SIMPLE_VALUE_TRUE
: ECMA_SIMPLE_VALUE_FALSE);
}
return ret_value;
} /* ecma_builtin_object_object_is_sealed */
/**
* The Object object's 'isFrozen' routine
*
* See also:
* ECMA-262 v5, 15.2.3.12
*
* @return completion value
* Returned value must be freed with ecma_free_completion_value.
*/
static ecma_completion_value_t
ecma_builtin_object_object_is_frozen (ecma_value_t this_arg __attr_unused___, /**< 'this' argument */
ecma_value_t arg) /**< routine's argument */
{
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
// 1.
if (!ecma_is_value_object (arg))
{
ret_value = ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_TYPE));
}
else
{
ecma_object_t *obj_p = ecma_get_object_from_value (arg);
ecma_property_t *property_p;
// This will be the result if the other steps doesn't change it.
bool frozen = false;
// 3.
// The pseudo code contains multiple early return but this way we get the same
// result.
if (!ecma_get_object_extensible (obj_p))
{
frozen = true;
}
// 2.
for (property_p = ecma_get_property_list (obj_p);
property_p != NULL && frozen;
property_p = ECMA_GET_POINTER (ecma_property_t, property_p->next_property_p))
{
if (property_p->type == ECMA_PROPERTY_INTERNAL)
{
continue;
}
JERRY_ASSERT (property_p->type == ECMA_PROPERTY_NAMEDDATA || property_p->type == ECMA_PROPERTY_NAMEDACCESSOR);
// 2.b
if (property_p->type == ECMA_PROPERTY_NAMEDDATA && ecma_is_property_writable (property_p))
{
frozen = false;
break;
}
// 2.c
if (ecma_is_property_configurable (property_p))
{
frozen = false;
break;
}
}
// 4.
ret_value = ecma_make_simple_completion_value (frozen
? ECMA_SIMPLE_VALUE_TRUE
: ECMA_SIMPLE_VALUE_FALSE);
}
return ret_value;
} /* ecma_builtin_object_object_is_frozen */
/**
* The Object object's 'isExtensible' routine
*
* See also:
* ECMA-262 v5, 15.2.3.13
*
* @return completion value
* Returned value must be freed with ecma_free_completion_value.
*/
static ecma_completion_value_t
ecma_builtin_object_object_is_extensible (ecma_value_t this_arg __attr_unused___, /**< 'this' argument */
ecma_value_t arg) /**< routine's argument */
{
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
if (!ecma_is_value_object (arg))
{
ret_value = ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_TYPE));
}
else
{
ecma_object_t *obj_p = ecma_get_object_from_value (arg);
bool extensible = ecma_get_object_extensible (obj_p);
ret_value = ecma_make_simple_completion_value (extensible
? ECMA_SIMPLE_VALUE_TRUE
: ECMA_SIMPLE_VALUE_FALSE);
}
return ret_value;
} /* ecma_builtin_object_object_is_extensible */
/**
* The Object object's 'keys' routine
*
* See also:
* ECMA-262 v5, 15.2.3.14
*
* @return completion value
* Returned value must be freed with ecma_free_completion_value.
*/
static ecma_completion_value_t
ecma_builtin_object_object_keys (ecma_value_t this_arg __attr_unused___, /**< 'this' argument */
ecma_value_t arg) /**< routine's argument */
{
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
if (!ecma_is_value_object (arg))
{
/* 1. */
ret_value = ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_TYPE));
}
else
{
ecma_object_t *obj_p = ecma_get_object_from_value (arg);
/* 3-6. */
ret_value = ecma_builtin_helper_object_get_properties (obj_p, true);
}
return ret_value;
} /* ecma_builtin_object_object_keys */
/**
* The Object object's 'getOwnPropertyDescriptor' routine
*
* See also:
* ECMA-262 v5, 15.2.3.3
*
* @return completion value
* Returned value must be freed with ecma_free_completion_value.
*/
static ecma_completion_value_t
ecma_builtin_object_object_get_own_property_descriptor (ecma_value_t this_arg __attr_unused___, /**< 'this' argument */
ecma_value_t arg1, /**< routine's first argument */
ecma_value_t arg2) /**< routine's second argument */
{
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
// 1.
if (!ecma_is_value_object (arg1))
{
ret_value = ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_TYPE));
return ret_value;
}
ecma_object_t *obj_p = ecma_get_object_from_value (arg1);
// 2.
ECMA_TRY_CATCH (name_str_value,
ecma_op_to_string (arg2),
ret_value);
ecma_string_t *name_str_p = ecma_get_string_from_value (name_str_value);
// 3.
ecma_property_t *prop_p = ecma_op_object_get_own_property (obj_p, name_str_p);
if (prop_p != NULL)
{
ecma_property_descriptor_t prop_desc = ecma_get_property_descriptor_from_property (prop_p);
// 4.
ecma_object_t* desc_obj_p = ecma_op_from_property_descriptor (&prop_desc);
ecma_free_property_descriptor (&prop_desc);
ret_value = ecma_make_normal_completion_value (ecma_make_object_value (desc_obj_p));
}
else
{
ret_value = ecma_make_simple_completion_value (ECMA_SIMPLE_VALUE_UNDEFINED);
}
ECMA_FINALIZE (name_str_value);
return ret_value;
} /* ecma_builtin_object_object_get_own_property_descriptor */
/**
* The Object object's 'create' routine
*
* See also:
* ECMA-262 v5, 15.2.3.5
*
* @return completion value
* Returned value must be freed with ecma_free_completion_value.
*/
static ecma_completion_value_t
ecma_builtin_object_object_create (ecma_value_t this_arg, /**< 'this' argument */
ecma_value_t arg1, /**< routine's first argument */
ecma_value_t arg2) /**< routine's second argument */
{
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
// 1.
if (!ecma_is_value_object (arg1) && !ecma_is_value_null (arg1))
{
ret_value = ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_TYPE));
}
else
{
ecma_object_t *obj_p = NULL;
if (!ecma_is_value_null (arg1))
{
obj_p = ecma_get_object_from_value (arg1);
}
// 2-3.
ecma_object_t *result_obj_p = ecma_op_create_object_object_noarg_and_set_prototype (obj_p);
// 4.
if (!ecma_is_value_undefined (arg2))
{
ECMA_TRY_CATCH (obj,
ecma_builtin_object_object_define_properties (this_arg,
ecma_make_object_value (result_obj_p),
arg2),
ret_value);
ECMA_FINALIZE (obj);
}
// 5.
if (ecma_is_completion_value_empty (ret_value))
{
ret_value = ecma_make_normal_completion_value (ecma_copy_value (ecma_make_object_value (result_obj_p),
true));
}
ecma_deref_object (result_obj_p);
}
return ret_value;
} /* ecma_builtin_object_object_create */
/**
* The Object object's 'defineProperties' routine
*
* See also:
* ECMA-262 v5, 15.2.3.7
*
* @return completion value
* Returned value must be freed with ecma_free_completion_value.
*/
static ecma_completion_value_t
ecma_builtin_object_object_define_properties (ecma_value_t this_arg __attr_unused___, /**< 'this' argument */
ecma_value_t arg1, /**< routine's first argument */
ecma_value_t arg2) /**< routine's second argument */
{
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
// 1.
if (!ecma_is_value_object (arg1))
{
ret_value = ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_TYPE));
}
else
{
ecma_object_t *obj_p = ecma_get_object_from_value (arg1);
// 2.
ECMA_TRY_CATCH (props,
ecma_op_to_object (arg2),
ret_value);
ecma_object_t *props_p = ecma_get_object_from_value (props);
ecma_property_t *property_p;
// First we need to know how many properties should be stored
uint32_t property_number = 0;
for (property_p = ecma_get_property_list (props_p);
property_p != NULL;
property_p = ECMA_GET_POINTER (ecma_property_t, property_p->next_property_p))
{
if ((property_p->type == ECMA_PROPERTY_NAMEDDATA || property_p->type == ECMA_PROPERTY_NAMEDACCESSOR)
&& ecma_is_property_enumerable (property_p))
{
property_number++;
}
}
// 3.
MEM_DEFINE_LOCAL_ARRAY (property_names_p, property_number, ecma_string_t*);
uint32_t index = 0;
for (property_p = ecma_get_property_list (props_p);
property_p != NULL;
property_p = ECMA_GET_POINTER (ecma_property_t, property_p->next_property_p))
{
ecma_string_t *property_name_p;
if (property_p->type == ECMA_PROPERTY_NAMEDDATA)
{
property_name_p = ECMA_GET_NON_NULL_POINTER (ecma_string_t,
property_p->u.named_data_property.name_p);
}
else if (property_p->type == ECMA_PROPERTY_NAMEDACCESSOR)
{
property_name_p = ECMA_GET_NON_NULL_POINTER (ecma_string_t,
property_p->u.named_accessor_property.name_p);
}
else
{
continue;
}
if (ecma_is_property_enumerable (property_p))
{
property_names_p[index++] = ecma_copy_or_ref_ecma_string (property_name_p);
}
}
// 4.
MEM_DEFINE_LOCAL_ARRAY (property_descriptors, property_number, ecma_property_descriptor_t);
uint32_t property_descriptor_number = 0;
for (index = 0;
index < property_number && ecma_is_completion_value_empty (ret_value);
index++)
{
// 5.a
ECMA_TRY_CATCH (desc_obj,
ecma_op_object_get (props_p, property_names_p[index]),
ret_value);
// 5.b
ECMA_TRY_CATCH (conv_result,
ecma_op_to_property_descriptor (desc_obj,
&property_descriptors[index]),
ret_value);
property_descriptor_number++;
ECMA_FINALIZE (conv_result);
ECMA_FINALIZE (desc_obj);
}
// 6.
for (index = 0;
index < property_number && ecma_is_completion_value_empty (ret_value);
index++)
{
ECMA_TRY_CATCH (define_own_prop_ret,
ecma_op_object_define_own_property (obj_p,
property_names_p[index],
&property_descriptors[index],
true),
ret_value);
ECMA_FINALIZE (define_own_prop_ret);
}
// Clean up
for (index = 0;
index < property_descriptor_number;
index++)
{
ecma_free_property_descriptor (&property_descriptors[index]);
}
MEM_FINALIZE_LOCAL_ARRAY (property_descriptors);
for (index = 0;
index < property_number;
index++)
{
ecma_deref_ecma_string (property_names_p[index]);
}
MEM_FINALIZE_LOCAL_ARRAY (property_names_p);
// 7.
if (ecma_is_completion_value_empty (ret_value))
{
ret_value = ecma_make_normal_completion_value (ecma_copy_value (arg1, true));
}
ECMA_FINALIZE (props);
}
return ret_value;
} /* ecma_builtin_object_object_define_properties */
/**
* The Object object's 'defineProperty' routine
*
* See also:
* ECMA-262 v5, 15.2.3.6
*
* @return completion value
* Returned value must be freed with ecma_free_completion_value.
*/
static ecma_completion_value_t
ecma_builtin_object_object_define_property (ecma_value_t this_arg __attr_unused___, /**< 'this' argument */
ecma_value_t arg1, /**< routine's first argument */
ecma_value_t arg2, /**< routine's second argument */
ecma_value_t arg3) /**< routine's third argument */
{
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
if (!ecma_is_value_object (arg1))
{
ret_value = ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_TYPE));
}
else
{
ecma_object_t *obj_p = ecma_get_object_from_value (arg1);
ECMA_TRY_CATCH (name_str_value,
ecma_op_to_string (arg2),
ret_value);
ecma_string_t *name_str_p = ecma_get_string_from_value (name_str_value);
ecma_property_descriptor_t prop_desc;
ECMA_TRY_CATCH (conv_result,
ecma_op_to_property_descriptor (arg3, &prop_desc),
ret_value);
ECMA_TRY_CATCH (define_own_prop_ret,
ecma_op_object_define_own_property (obj_p,
name_str_p,
&prop_desc,
true),
ret_value);
ret_value = ecma_make_normal_completion_value (ecma_copy_value (arg1, true));
ECMA_FINALIZE (define_own_prop_ret);
ecma_free_property_descriptor (&prop_desc);
ECMA_FINALIZE (conv_result);
ECMA_FINALIZE (name_str_value);
}
return ret_value;
} /* ecma_builtin_object_object_define_property */
/**
* @}
* @}
* @}
*/
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