jerryscript/jerry-core/ecma/builtin-objects/ecma-builtin-helpers-json.c
Robert Fancsik fc30f003ba Rework ecma collection (#3086)
After this patch the ecma value collection is a resizable buffer of ecma-values where the adjacent elements are allocated next to each other.

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
2019-09-12 13:05:24 +02:00

90 lines
2.2 KiB
C

/* 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-helpers.h"
#include "ecma-builtin-helpers.h"
#include "lit-char-helpers.h"
#if ENABLED (JERRY_BUILTIN_JSON)
/** \addtogroup ecma ECMA
* @{
*
* \addtogroup ecmabuiltinhelpers ECMA builtin helper operations
* @{
*/
/**
* Check whether the object is pushed onto the occurence stack
*
* Used by:
* - ecma_builtin_json_object step 1
* - ecma_builtin_json_array step 1
*
* @return true - if the object is pushed onto the occurence stack
* false - otherwise
*/
bool
ecma_json_has_object_in_stack (ecma_json_occurence_stack_item_t *stack_p, /**< stack */
ecma_object_t *object_p) /**< object */
{
while (stack_p != NULL)
{
if (stack_p->object_p == object_p)
{
return true;
}
stack_p = stack_p->next_p;
}
return false;
} /* ecma_json_has_object_in_stack */
/**
* Check the string value existance in the collection.
*
* Used by:
* - ecma_builtin_json_stringify step 4.b.ii.5
*
* @return true, if the string is already in the collection.
*/
bool
ecma_has_string_value_in_collection (ecma_collection_t *collection_p, /**< collection */
ecma_string_t *string_p) /**< string */
{
ecma_value_t *buffer_p = collection_p->buffer_p;
for (uint32_t i = 0; i < collection_p->item_count; i++)
{
ecma_string_t *current_p = ecma_get_string_from_value (buffer_p[i]);
if (ecma_compare_ecma_strings (current_p, string_p))
{
return true;
}
}
return false;
} /* ecma_has_string_value_in_collection */
#endif /* ENABLED (JERRY_BUILTIN_JSON) */
/**
* @}
* @}
*/