jerryscript/src/libecmaobjects/ecma-helpers.h
2014-07-03 16:23:25 +04:00

64 lines
2.5 KiB
C

/* Copyright 2014 Samsung Electronics Co., Ltd.
*
* 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.
*/
/** \addtogroup ecma ---TODO---
* @{
*
* \addtogroup ecmahelpers Helpers for operations with ECMA data types
* @{
*/
#ifndef JERRY_ECMA_HELPERS_H
#define JERRY_ECMA_HELPERS_H
#include "ecma-globals.h"
extern uintptr_t ecma_CompressPointer(void *pointer);
extern void* ecma_DecompressPointer(uintptr_t compressedPointer);
/**
* Get value of pointer from specified compressed pointer field.
*/
#define ecma_GetPointer( field) \
ecma_DecompressPointer( field)
/**
* Set value of compressed pointer field so that it will correspond
* to specified nonCompressedPointer.
*/
#define ecma_SetPointer( field, nonCompressedPointer) \
(field) = ecma_CompressPointer( nonCompressedPointer) & ( ( 1u << ECMA_POINTER_FIELD_WIDTH ) - 1)
extern ecma_Object_t* ecma_CreateObject( ecma_Object_t *pPrototypeObject, bool isExtensible);
extern ecma_Object_t* ecma_CreateLexicalEnvironment( ecma_Object_t *pOuterLexicalEnvironment, ecma_LexicalEnvironmentType_t type);
extern ecma_Property_t* ecma_CreateInternalProperty(ecma_Object_t *pObject, ecma_InternalPropertyId_t propertyId);
extern ecma_Property_t* ecma_FindInternalProperty(ecma_Object_t *pObject, ecma_InternalPropertyId_t propertyId);
extern ecma_Property_t* ecma_GetInternalProperty(ecma_Object_t *pObject, ecma_InternalPropertyId_t propertyId);
extern ecma_Property_t* ecma_SetInternalProperty(ecma_Object_t *pObject, ecma_InternalPropertyId_t propertyId);
extern ecma_ArrayFirstChunk_t* ecma_NewEcmaString( const ecma_Char_t *pString, ecma_Length_t length);
extern ssize_t ecma_CopyEcmaStringCharsToBuffer( ecma_ArrayFirstChunk_t *pFirstChunk, uint8_t *pBuffer, size_t bufferSize);
extern ecma_ArrayFirstChunk_t* ecma_DuplicateEcmaString( ecma_ArrayFirstChunk_t *pFirstChunk);
extern bool ecma_CompareCharBufferToEcmaString( ecma_Char_t *pString, ecma_ArrayFirstChunk_t *pEcmaString);
extern void ecma_FreeArray( ecma_ArrayFirstChunk_t *pFirstChunk);
#endif /* !JERRY_ECMA_HELPERS_H */
/**
* @}
* @}
*/