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jerryscript/jerry-core/ecma/builtin-objects/ecma-builtin-object.c
László Langó 64b16bf190 Update Doxygen config file and fix Doxygen warnings (#2324) 
A lot of warnings remained hibben because 'EXTRACT_ALL' was previously set to YES.

JerryScript-DCO-1.0-Signed-off-by: László Langó llango.u-szeged@partner.samsung.com
2018-05-18 15:43:17 +09:00

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/* Copyright JS Foundation and other contributors, http://js.foundation
*
* 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-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 ecma value
*/
ecma_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_value_t ret_value = ECMA_VALUE_EMPTY;
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 ecma value
*/
ecma_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_object_value (obj_p);
}
else
{
return ecma_op_create_object_object_arg (arguments_list_p[0]);
}
} /* ecma_builtin_object_dispatch_construct */
/**
* The Object object's 'getPrototypeOf' routine
*
* See also:
* ECMA-262 v5, 15.2.3.2
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_object_object_get_prototype_of (ecma_value_t this_arg, /**< 'this' argument */
ecma_value_t arg) /**< routine's argument */
{
JERRY_UNUSED (this_arg);
ecma_value_t ret_value = ECMA_VALUE_EMPTY;
bool was_object = ecma_is_value_object (arg);
/* 1. */
if (!was_object)
{
#ifndef CONFIG_DISABLE_ES2015_BUILTIN
arg = ecma_op_to_object (arg);
if (ECMA_IS_VALUE_ERROR (arg))
{
return arg;
}
#else /* CONFIG_DISABLE_ES2015_BUILTIN */
return ecma_raise_type_error (ECMA_ERR_MSG ("Argument is not an object."));
#endif /* !CONFIG_DISABLE_ES2015_BUILTIN */
}
/* 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_object_value (prototype_p);
ecma_ref_object (prototype_p);
}
else
{
ret_value = ECMA_VALUE_NULL;
}
#ifndef CONFIG_DISABLE_ES2015_BUILTIN
if (!was_object)
{
ecma_free_value (arg);
}
#endif /* !CONFIG_DISABLE_ES2015_BUILTIN */
return ret_value;
} /* ecma_builtin_object_object_get_prototype_of */
#ifndef CONFIG_DISABLE_ES2015_BUILTIN
/**
* [[SetPrototypeOf]]
*
* See also:
* ES2015 9.1.2
*
* @return true - if success
* false - otherwise
*/
static bool
ecma_set_prototype_of (ecma_value_t o_value, /**< O */
ecma_value_t v_value) /**< V */
{
/* 1. */
JERRY_ASSERT (ecma_is_value_object (o_value));
JERRY_ASSERT (ecma_is_value_object (v_value) || ecma_is_value_null (v_value));
ecma_object_t *o_p = ecma_get_object_from_value (o_value);
ecma_object_t *v_p = ecma_is_value_null (v_value) ? NULL : ecma_get_object_from_value (v_value);
/* 3., 4. */
if (v_p == ecma_get_object_prototype (o_p))
{
return true;
}
/* 2., 5. */
if (!ecma_get_object_extensible (o_p))
{
return false;
}
/* 6., 7., 8. */
ecma_object_t *p_p = v_p;
while (true)
{
/* a. */
if (p_p == NULL)
{
break;
}
/* b. */
if (p_p == o_p)
{
return false;
}
/* c.i. TODO: es2015-subset profile does not support having a different
* [[GetPrototypeOf]] internal method */
/* c.ii. */
p_p = ecma_get_object_prototype (p_p);
}
/* 9. */
ECMA_SET_POINTER (o_p->prototype_or_outer_reference_cp, v_p);
/* 10. */
return true;
} /* ecma_set_prototype_of */
/**
* The Object object's 'setPrototypeOf' routine
*
* See also:
* ES2015 19.1.2.18
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_object_object_set_prototype_of (ecma_value_t this_arg, /**< 'this' argument */
ecma_value_t arg1, /**< routine's first argument */
ecma_value_t arg2) /**< routine's second argument */
{
JERRY_UNUSED (this_arg);
ecma_value_t ret_value = ECMA_VALUE_EMPTY;
/* 1., 2. */
ECMA_TRY_CATCH (unused_value,
ecma_op_check_object_coercible (arg1),
ret_value);
/* 3. */
if (!ecma_is_value_object (arg2) && !ecma_is_value_null (arg2))
{
ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("proto is neither Object nor Null."));
}
else
{
/* 4. */
if (!ecma_is_value_object (arg1))
{
ret_value = ecma_copy_value (arg1);
}
else
{
/* 5. */
bool status = ecma_set_prototype_of (arg1, arg2);
/* 6. TODO: es2015-subset profile does not support having a different
* [[SetPrototypeOf]] internal method */
/* 7. */
if (!status)
{
ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("cannot set prototype."));
}
else
{
/* 8. */
ret_value = ecma_copy_value (arg1);
}
}
}
ECMA_FINALIZE (unused_value);
return ret_value;
} /* ecma_builtin_object_object_set_prototype_of */
#endif /* !CONFIG_DISABLE_ES2015_BUILTIN */
/**
* The Object object's 'getOwnPropertyNames' routine
*
* See also:
* ECMA-262 v5, 15.2.3.4
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_object_object_get_own_property_names (ecma_value_t this_arg, /**< 'this' argument */
ecma_value_t arg) /**< routine's argument */
{
JERRY_UNUSED (this_arg);
ecma_value_t ret_value = ECMA_VALUE_EMPTY;
if (!ecma_is_value_object (arg))
{
/* 1. */
ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Argument is not an object."));
}
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 ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_object_object_seal (ecma_value_t this_arg, /**< 'this' argument */
ecma_value_t arg) /**< routine's argument */
{
JERRY_UNUSED (this_arg);
ecma_value_t ret_value = ECMA_VALUE_EMPTY;
/* 1. */
if (!ecma_is_value_object (arg))
{
ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Argument is not an object."));
}
else
{
/* 2. */
ecma_object_t *obj_p = ecma_get_object_from_value (arg);
ecma_collection_header_t *props_p = ecma_op_object_get_property_names (obj_p, false, false, false);
ecma_value_t *ecma_value_p = ecma_collection_iterator_init (props_p);
while (ecma_value_p != NULL && ecma_is_value_empty (ret_value))
{
ecma_string_t *property_name_p = ecma_get_string_from_value (*ecma_value_p);
ecma_value_p = ecma_collection_iterator_next (ecma_value_p);
/* 2.a */
ecma_property_descriptor_t prop_desc;
if (!ecma_op_object_get_own_property_descriptor (obj_p, property_name_p, &prop_desc))
{
continue;
}
/* 2.b */
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);
}
ecma_free_values_collection (props_p, 0);
if (ecma_is_value_empty (ret_value))
{
/* 3. */
ecma_set_object_extensible (obj_p, false);
/* 4. */
ret_value = ecma_copy_value (arg);
}
}
return ret_value;
} /* ecma_builtin_object_object_seal */
/**
* The Object object's 'freeze' routine
*
* See also:
* ECMA-262 v5, 15.2.3.9
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_object_object_freeze (ecma_value_t this_arg, /**< 'this' argument */
ecma_value_t arg) /**< routine's argument */
{
JERRY_UNUSED (this_arg);
ecma_value_t ret_value = ECMA_VALUE_EMPTY;
/* 1. */
if (!ecma_is_value_object (arg))
{
ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Argument is not an object."));
}
else
{
/* 2. */
ecma_object_t *obj_p = ecma_get_object_from_value (arg);
ecma_collection_header_t *props_p = ecma_op_object_get_property_names (obj_p, false, false, false);
ecma_value_t *ecma_value_p = ecma_collection_iterator_init (props_p);
while (ecma_value_p != NULL && ecma_is_value_empty (ret_value))
{
ecma_string_t *property_name_p = ecma_get_string_from_value (*ecma_value_p);
ecma_value_p = ecma_collection_iterator_next (ecma_value_p);
/* 2.a */
ecma_property_descriptor_t prop_desc;
if (!ecma_op_object_get_own_property_descriptor (obj_p, property_name_p, &prop_desc))
{
continue;
}
/* 2.b */
if (prop_desc.is_writable_defined && prop_desc.is_writable)
{
prop_desc.is_writable = false;
}
/* 2.c */
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);
}
ecma_free_values_collection (props_p, 0);
if (ecma_is_value_empty (ret_value))
{
/* 3. */
ecma_set_object_extensible (obj_p, false);
/* 4. */
ret_value = ecma_copy_value (arg);
}
}
return ret_value;
} /* ecma_builtin_object_object_freeze */
/**
* The Object object's 'preventExtensions' routine
*
* See also:
* ECMA-262 v5, 15.2.3.10
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_object_object_prevent_extensions (ecma_value_t this_arg, /**< 'this' argument */
ecma_value_t arg) /**< routine's argument */
{
JERRY_UNUSED (this_arg);
ecma_value_t ret_value = ECMA_VALUE_EMPTY;
if (!ecma_is_value_object (arg))
{
ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Argument is not an object."));
}
else
{
ecma_object_t *obj_p = ecma_get_object_from_value (arg);
ecma_set_object_extensible (obj_p, false);
ret_value = ecma_copy_value (arg);
}
return ret_value;
} /* ecma_builtin_object_object_prevent_extensions */
/**
* Common helper code for the 'isFrozen' and 'isSealed' fuctions of Object.
*
* See also:
* Object.isFrozen
* Object.isSealed
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_object_frozen_or_sealed_helper (ecma_value_t this_arg, /**< 'this' argument */
ecma_value_t arg, /**< routine's argument */
bool frozen_mode) /**< routine mode */
{
JERRY_UNUSED (this_arg);
ecma_value_t ret_value = ECMA_VALUE_EMPTY;
/* 1. */
if (!ecma_is_value_object (arg))
{
ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Argument is not an object."));
}
else
{
ecma_object_t *obj_p = ecma_get_object_from_value (arg);
bool is_sealed_or_frozen;
/* 3. */
if (ecma_get_object_extensible (obj_p))
{
is_sealed_or_frozen = false;
}
else
{
/* the value can be updated in the loop below */
is_sealed_or_frozen = true;
/* 2. */
ecma_collection_header_t *props_p = ecma_op_object_get_property_names (obj_p, false, false, false);
ecma_value_t *ecma_value_p = ecma_collection_iterator_init (props_p);
while (ecma_value_p != NULL)
{
ecma_string_t *property_name_p = ecma_get_string_from_value (*ecma_value_p);
ecma_value_p = ecma_collection_iterator_next (ecma_value_p);
/* 2.a */
ecma_property_t property = ecma_op_object_get_own_property (obj_p,
property_name_p,
NULL,
ECMA_PROPERTY_GET_NO_OPTIONS);
/* 2.b for isFrozen */
if (frozen_mode
&& ECMA_PROPERTY_GET_TYPE (property) != ECMA_PROPERTY_TYPE_NAMEDACCESSOR
&& ecma_is_property_writable (property))
{
is_sealed_or_frozen = false;
break;
}
/* 2.b for isSealed, 2.c for isFrozen */
if (ecma_is_property_configurable (property))
{
is_sealed_or_frozen = false;
break;
}
}
ecma_free_values_collection (props_p, 0);
}
/* 4. */
ret_value = is_sealed_or_frozen ? ECMA_VALUE_TRUE : ECMA_VALUE_FALSE;
}
return ret_value;
} /* ecma_builtin_object_frozen_or_sealed_helper */
/**
* The Object object's 'isSealed' routine
*
* See also:
* ECMA-262 v5, 15.2.3.11
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_object_object_is_sealed (ecma_value_t this_arg, /**< 'this' argument */
ecma_value_t arg) /**< routine's argument */
{
return ecma_builtin_object_frozen_or_sealed_helper (this_arg, arg, false);
} /* ecma_builtin_object_object_is_sealed */
/**
* The Object object's 'isFrozen' routine
*
* See also:
* ECMA-262 v5, 15.2.3.12
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_object_object_is_frozen (ecma_value_t this_arg, /**< 'this' argument */
ecma_value_t arg) /**< routine's argument */
{
return ecma_builtin_object_frozen_or_sealed_helper (this_arg, arg, true);
} /* ecma_builtin_object_object_is_frozen */
/**
* The Object object's 'isExtensible' routine
*
* See also:
* ECMA-262 v5, 15.2.3.13
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_object_object_is_extensible (ecma_value_t this_arg, /**< 'this' argument */
ecma_value_t arg) /**< routine's argument */
{
JERRY_UNUSED (this_arg);
ecma_value_t ret_value = ECMA_VALUE_EMPTY;
if (!ecma_is_value_object (arg))
{
ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Argument is not an object."));
}
else
{
ecma_object_t *obj_p = ecma_get_object_from_value (arg);
bool extensible = ecma_get_object_extensible (obj_p);
ret_value = extensible ? ECMA_VALUE_TRUE : ECMA_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 ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_object_object_keys (ecma_value_t this_arg, /**< 'this' argument */
ecma_value_t arg) /**< routine's argument */
{
JERRY_UNUSED (this_arg);
ecma_value_t ret_value = ECMA_VALUE_EMPTY;
if (!ecma_is_value_object (arg))
{
/* 1. */
ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Argument is not an object."));
}
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 ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_object_object_get_own_property_descriptor (ecma_value_t this_arg, /**< 'this' argument */
ecma_value_t arg1, /**< routine's first argument */
ecma_value_t arg2) /**< routine's second argument */
{
JERRY_UNUSED (this_arg);
ecma_value_t ret_value = ECMA_VALUE_EMPTY;
/* 1. */
if (!ecma_is_value_object (arg1))
{
ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Argument is not an object."));
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_descriptor_t prop_desc;
if (ecma_op_object_get_own_property_descriptor (obj_p, name_str_p, &prop_desc))
{
/* 4. */
ecma_object_t *desc_obj_p = ecma_op_from_property_descriptor (&prop_desc);
ecma_free_property_descriptor (&prop_desc);
ret_value = ecma_make_object_value (desc_obj_p);
}
else
{
ret_value = ECMA_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 ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_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_value_t ret_value = ECMA_VALUE_EMPTY;
/* 1. */
if (!ecma_is_value_object (arg1) && !ecma_is_value_null (arg1))
{
ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Argument is not an object."));
}
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_value_empty (ret_value))
{
ret_value = ecma_copy_value (ecma_make_object_value (result_obj_p));
}
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 ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_object_object_define_properties (ecma_value_t this_arg, /**< 'this' argument */
ecma_value_t arg1, /**< routine's first argument */
ecma_value_t arg2) /**< routine's second argument */
{
JERRY_UNUSED (this_arg);
ecma_value_t ret_value = ECMA_VALUE_EMPTY;
/* 1. */
if (!ecma_is_value_object (arg1))
{
ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Argument is not an object."));
}
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);
/* 3. */
ecma_collection_header_t *prop_names_p = ecma_op_object_get_property_names (props_p, false, true, false);
uint32_t property_number = prop_names_p->item_count;
ecma_value_t *ecma_value_p = ecma_collection_iterator_init (prop_names_p);
/* 4. */
JMEM_DEFINE_LOCAL_ARRAY (property_descriptors, property_number, ecma_property_descriptor_t);
uint32_t property_descriptor_number = 0;
while (ecma_value_p != NULL && ecma_is_value_empty (ret_value))
{
/* 5.a */
ECMA_TRY_CATCH (desc_obj,
ecma_op_object_get (props_p, ecma_get_string_from_value (*ecma_value_p)),
ret_value);
/* 5.b */
ECMA_TRY_CATCH (conv_result,
ecma_op_to_property_descriptor (desc_obj,
&property_descriptors[property_descriptor_number]),
ret_value);
property_descriptor_number++;
ECMA_FINALIZE (conv_result);
ECMA_FINALIZE (desc_obj);
ecma_value_p = ecma_collection_iterator_next (ecma_value_p);
}
/* 6. */
ecma_value_p = ecma_collection_iterator_init (prop_names_p);
for (uint32_t index = 0;
index < property_number && ecma_is_value_empty (ret_value);
index++)
{
ECMA_TRY_CATCH (define_own_prop_ret,
ecma_op_object_define_own_property (obj_p,
ecma_get_string_from_value (*ecma_value_p),
&property_descriptors[index],
true),
ret_value);
ECMA_FINALIZE (define_own_prop_ret);
ecma_value_p = ecma_collection_iterator_next (ecma_value_p);
}
/* Clean up. */
for (uint32_t index = 0;
index < property_descriptor_number;
index++)
{
ecma_free_property_descriptor (&property_descriptors[index]);
}
JMEM_FINALIZE_LOCAL_ARRAY (property_descriptors);
ecma_free_values_collection (prop_names_p, 0);
/* 7. */
if (ecma_is_value_empty (ret_value))
{
ret_value = ecma_copy_value (arg1);
}
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 ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_object_object_define_property (ecma_value_t this_arg, /**< '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 */
{
JERRY_UNUSED (this_arg);
ecma_value_t ret_value = ECMA_VALUE_EMPTY;
if (!ecma_is_value_object (arg1))
{
ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Argument is not an object."));
}
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_copy_value (arg1);
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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