/**
* [[Delete]] ecma Arguments object's operation
*
* See also:
* ECMA-262 v5, 8.6.2; ECMA-262 v5, Table 8
* ECMA-262 v5, 10.6
*
* @return ecma value
* Returned value must be freed with ecma_free_value
*/
ecma_value_t
ecma_op_arguments_object_delete (ecma_object_t *obj_p, /**< the object */
ecma_string_t *property_name_p, /**< property name */
bool is_throw) /**< flag that controls failure handling */
{
// 1.
ecma_property_t *map_prop_p = ecma_get_internal_property (obj_p, ECMA_INTERNAL_PROPERTY_PARAMETERS_MAP);
ecma_object_t *map_p = ECMA_GET_NON_NULL_POINTER (ecma_object_t,
map_prop_p->u.internal_property.value);
// 2.
ecma_property_t *mapped_prop_p = ecma_op_object_get_own_property (map_p, property_name_p);
// 3.
ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY);
ECMA_TRY_CATCH (delete_in_args_ret,
ecma_op_general_object_delete (obj_p,
property_name_p,
is_throw),
ret_value);
if (ecma_is_value_true (delete_in_args_ret))
{
if (mapped_prop_p != NULL)
{
ecma_value_t delete_in_map_completion = ecma_op_object_delete (map_p, property_name_p, false);
JERRY_ASSERT (ecma_is_value_true (delete_in_map_completion));
}
ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_TRUE);
}
else
{
JERRY_ASSERT (ecma_is_value_boolean (delete_in_args_ret));
ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_FALSE);
}
ECMA_FINALIZE (delete_in_args_ret);
return ret_value;
} /* ecma_op_arguments_object_delete */
/**
* [[Delete]] ecma object's operation
*
* See also:
* ECMA-262 v5, 8.6.2; ECMA-262 v5, Table 8
*
* @return completion value
* Returned value must be freed with ecma_free_completion_value
*/
ecma_completion_value_t
ecma_op_object_delete (ecma_object_t *obj_p, /**< the object */
ecma_string_t *property_name_p, /**< property name */
bool is_throw) /**< flag that controls failure handling */
{
JERRY_ASSERT (obj_p != NULL
&& !ecma_is_lexical_environment (obj_p));
JERRY_ASSERT (property_name_p != NULL);
const ecma_object_type_t type = ecma_get_object_type (obj_p);
ecma_assert_object_type_is_valid (type);
switch (type)
{
case ECMA_OBJECT_TYPE_GENERAL:
case ECMA_OBJECT_TYPE_ARRAY:
case ECMA_OBJECT_TYPE_FUNCTION:
case ECMA_OBJECT_TYPE_BOUND_FUNCTION:
case ECMA_OBJECT_TYPE_EXTERNAL_FUNCTION:
case ECMA_OBJECT_TYPE_BUILT_IN_FUNCTION:
case ECMA_OBJECT_TYPE_STRING:
{
return ecma_op_general_object_delete (obj_p,
property_name_p,
is_throw);
}
case ECMA_OBJECT_TYPE_ARGUMENTS:
{
return ecma_op_arguments_object_delete (obj_p,
property_name_p,
is_throw);
}
}
JERRY_ASSERT (false);
return ecma_make_empty_completion_value ();
} /* ecma_op_object_delete */
/**
* Abstract operation Walk defined in 15.12.2
*
* See also:
* ECMA-262 v5, 15.12.2
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_json_walk (ecma_object_t *reviver_p, /**< reviver function */
ecma_object_t *holder_p, /**< holder object */
ecma_string_t *name_p) /**< property name */
{
JERRY_ASSERT (reviver_p);
JERRY_ASSERT (holder_p);
JERRY_ASSERT (name_p);
ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY);
ECMA_TRY_CATCH (value_get,
ecma_op_object_get (holder_p, name_p),
ret_value);
if (ecma_is_value_object (value_get))
{
ecma_object_t *object_p = ecma_get_object_from_value (value_get);
ecma_collection_header_t *props_p = ecma_op_object_get_property_names (object_p, false, true, false);
ecma_collection_iterator_t iter;
ecma_collection_iterator_init (&iter, props_p);
while (ecma_collection_iterator_next (&iter)
&& ecma_is_value_empty (ret_value))
{
ecma_string_t *property_name_p = ecma_get_string_from_value (*iter.current_value_p);
ECMA_TRY_CATCH (value_walk,
ecma_builtin_json_walk (reviver_p,
object_p,
property_name_p),
ret_value);
/*
* We cannot optimize this function since any members
* can be changed (deleted) by the reviver function.
*/
if (ecma_is_value_undefined (value_walk))
{
ecma_value_t delete_val = ecma_op_general_object_delete (object_p,
property_name_p,
false);
JERRY_ASSERT (ecma_is_value_boolean (delete_val));
}
else
{
ecma_builtin_json_define_value_property (object_p,
property_name_p,
value_walk);
}
ECMA_FINALIZE (value_walk);
}
ecma_free_values_collection (props_p, true);
}
if (ecma_is_value_empty (ret_value))
{
ecma_value_t arguments_list[2];
arguments_list[0] = ecma_make_string_value (name_p);
arguments_list[1] = value_get;
/*
* The completion value can be anything including exceptions.
*/
ret_value = ecma_op_function_call (reviver_p,
ecma_make_object_value (holder_p),
arguments_list,
2);
}
else
{
JERRY_ASSERT (ecma_is_value_error (ret_value));
}
ECMA_FINALIZE (value_get);
return ret_value;
} /* ecma_builtin_json_walk */