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Implement Object.defineProperties function

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JerryScript-DCO-1.0-Signed-off-by: Kristof Kosztyo kkosztyo.u-szeged@partner.samsung.com
This commit is contained in:
Kristof Kosztyo 2015-05-12 14:41:48 +02:00
parent a750317766
commit 8058a42e3d
2 changed files with 96 additions and 2 deletions
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64
jerry-core/ecma/builtin-objects/ecma-builtin-object.cpp
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@ -1,4 +1,5 @@
/* 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.
@ -289,11 +290,70 @@ ecma_builtin_object_object_create (ecma_value_t this_arg, /**< 'this' argument *
* 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, /**< 'this' argument */
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_BUILTIN_CP_UNIMPLEMENTED (this_arg, arg1, arg2);
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));
return ret_value;
}
ecma_object_t *obj_p = ecma_get_object_from_value (arg1);
ecma_object_t *props = ecma_get_object_from_value (arg2);
ecma_property_t *property_p;
for (property_p = ecma_get_property_list (props);
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;
}
ecma_value_t val = ecma_get_named_data_property_value (property_p);
ecma_property_descriptor_t prop_desc;
ECMA_TRY_CATCH (conv_result,
ecma_op_to_property_descriptor (val, &prop_desc),
ret_value);
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_FINALIZE (conv_result);
if (ecma_is_completion_value_throw (ret_value))
{
return ret_value;
}
}
ret_value = ecma_make_normal_completion_value (ecma_copy_value (arg1, true));
return ret_value;
} /* ecma_builtin_object_object_define_properties */
/**

34
tests/jerry/object_define_properties.js Normal file
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@ -0,0 +1,34 @@
// Copyright 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.
var obj = {};
Object.defineProperties(obj, {
"foo": {
value: true,
writable: true
},
"bar": {
value: "baz",
writable: false
},
"Hello": {
value: "world",
writable: false
}
});
assert (obj.foo === true);
assert (obj.bar === "baz");
assert (obj.Hello === "world");