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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-function-object.h"
#include "ecma-gc.h"
#include "ecma-globals.h"
#include "ecma-helpers.h"
#include "ecma-objects.h"
#include "ecma-string-object.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-prototype.inc.h"
#define BUILTIN_UNDERSCORED_ID object_prototype
#include "ecma-builtin-internal-routines-template.inc.h"
/** \addtogroup ecma ECMA
* @{
*
* \addtogroup ecmabuiltins
* @{
*
* \addtogroup objectprototype ECMA Object.prototype object built-in
* @{
*/
/**
* The Object.prototype object's 'toString' routine
*
* See also:
* ECMA-262 v5, 15.2.4.2
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_object_prototype_object_to_string (ecma_value_t this_arg) /**< this argument */
{
return ecma_builtin_helper_object_to_string (this_arg);
} /* ecma_builtin_object_prototype_object_to_string */
/**
* The Object.prototype object's 'valueOf' routine
*
* See also:
* ECMA-262 v5, 15.2.4.4
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_object_prototype_object_value_of (ecma_value_t this_arg) /**< this argument */
{
return ecma_op_to_object (this_arg);
} /* ecma_builtin_object_prototype_object_value_of */
/**
* The Object.prototype object's 'toLocaleString' routine
*
* See also:
* ECMA-262 v5, 15.2.4.3
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_object_prototype_object_to_locale_string (ecma_value_t this_arg) /**< this argument */
{
ecma_value_t return_value = ECMA_VALUE_EMPTY;
/* 1. */
ECMA_TRY_CATCH (obj_val,
ecma_op_to_object (this_arg),
return_value);
ecma_object_t *obj_p = ecma_get_object_from_value (obj_val);
/* 2. */
ECMA_TRY_CATCH (to_string_val,
ecma_op_object_get_by_magic_id (obj_p, LIT_MAGIC_STRING_TO_STRING_UL),
return_value);
/* 3. */
if (!ecma_op_is_callable (to_string_val))
{
return_value = ecma_raise_type_error (ECMA_ERR_MSG ("'toString is missing or not a function.'"));
}
else
{
/* 4. */
ecma_object_t *to_string_func_obj_p = ecma_get_object_from_value (to_string_val);
return_value = ecma_op_function_call (to_string_func_obj_p, this_arg, NULL, 0);
}
ECMA_FINALIZE (to_string_val);
ECMA_FINALIZE (obj_val);
return return_value;
} /* ecma_builtin_object_prototype_object_to_locale_string */
/**
* The Object.prototype object's 'hasOwnProperty' routine
*
* See also:
* ECMA-262 v5, 15.2.4.5
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_object_prototype_object_has_own_property (ecma_value_t this_arg, /**< this argument */
ecma_value_t arg) /**< first argument */
{
ecma_value_t return_value = ECMA_VALUE_EMPTY;
/* 1. */
ECMA_TRY_CATCH (to_string_val,
ecma_op_to_string (arg),
return_value);
/* 2. */
ECMA_TRY_CATCH (obj_val,
ecma_op_to_object (this_arg),
return_value);
ecma_string_t *property_name_string_p = ecma_get_string_from_value (to_string_val);
ecma_object_t *obj_p = ecma_get_object_from_value (obj_val);
/* 3. */
return_value = ecma_make_boolean_value (ecma_op_object_has_own_property (obj_p, property_name_string_p));
ECMA_FINALIZE (obj_val);
ECMA_FINALIZE (to_string_val);
return return_value;
} /* ecma_builtin_object_prototype_object_has_own_property */
/**
* The Object.prototype object's 'isPrototypeOf' routine
*
* See also:
* ECMA-262 v5, 15.2.4.6
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_object_prototype_object_is_prototype_of (ecma_value_t this_arg, /**< this argument */
ecma_value_t arg) /**< routine's first argument */
{
/* 1. Is the argument an object? */
if (!ecma_is_value_object (arg))
{
return ECMA_VALUE_FALSE;
}
ecma_value_t return_value = ECMA_VALUE_EMPTY;
/* 2. ToObject(this) */
ECMA_TRY_CATCH (obj_value,
ecma_op_to_object (this_arg),
return_value);
ecma_object_t *obj_p = ecma_get_object_from_value (obj_value);
/* 3. Compare prototype to object */
ECMA_TRY_CATCH (v_obj_value,
ecma_op_to_object (arg),
return_value);
ecma_object_t *v_obj_p = ecma_get_object_from_value (v_obj_value);
bool is_prototype_of = ecma_op_object_is_prototype_of (obj_p, v_obj_p);
return_value = is_prototype_of ? ECMA_VALUE_TRUE : ECMA_VALUE_FALSE;
ECMA_FINALIZE (v_obj_value);
ECMA_FINALIZE (obj_value);
return return_value;
} /* ecma_builtin_object_prototype_object_is_prototype_of */
/**
* The Object.prototype object's 'propertyIsEnumerable' routine
*
* See also:
* ECMA-262 v5, 15.2.4.7
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_object_prototype_object_property_is_enumerable (ecma_value_t this_arg, /**< this argument */
ecma_value_t arg) /**< routine's first argument */
{
ecma_value_t return_value = ECMA_VALUE_EMPTY;
/* 1. */
ECMA_TRY_CATCH (to_string_val,
ecma_op_to_string (arg),
return_value);
/* 2. */
ECMA_TRY_CATCH (obj_val,
ecma_op_to_object (this_arg),
return_value);
ecma_string_t *property_name_string_p = ecma_get_string_from_value (to_string_val);
ecma_object_t *obj_p = ecma_get_object_from_value (obj_val);
/* 3. */
ecma_property_t property = ecma_op_object_get_own_property (obj_p,
property_name_string_p,
NULL,
ECMA_PROPERTY_GET_NO_OPTIONS);
/* 4. */
if (property != ECMA_PROPERTY_TYPE_NOT_FOUND && property != ECMA_PROPERTY_TYPE_NOT_FOUND_AND_STOP)
{
bool is_enumerable = ecma_is_property_enumerable (property);
return_value = ecma_make_boolean_value (is_enumerable);
}
else
{
return_value = ECMA_VALUE_FALSE;
}
ECMA_FINALIZE (obj_val);
ECMA_FINALIZE (to_string_val);
return return_value;
} /* ecma_builtin_object_prototype_object_property_is_enumerable */
/**
* @}
* @}
* @}
*/
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