mirror of
https://github.com/jerryscript-project/jerryscript.git
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64 lines
2.5 KiB
C
64 lines
2.5 KiB
C
/* Copyright 2014 Samsung Electronics Co., Ltd.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/** \addtogroup ecma ---TODO---
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* @{
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*
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* \addtogroup ecmahelpers Helpers for operations with ECMA data types
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* @{
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*/
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#ifndef JERRY_ECMA_HELPERS_H
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#define JERRY_ECMA_HELPERS_H
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#include "ecma-globals.h"
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extern uintptr_t ecma_CompressPointer(void *pointer);
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extern void* ecma_DecompressPointer(uintptr_t compressedPointer);
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/**
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* Get value of pointer from specified compressed pointer field.
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*/
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#define ecma_GetPointer( field) \
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ecma_DecompressPointer( field)
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/**
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* Set value of compressed pointer field so that it will correspond
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* to specified nonCompressedPointer.
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*/
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#define ecma_SetPointer( field, nonCompressedPointer) \
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(field) = ecma_CompressPointer( nonCompressedPointer) & ( ( 1u << ECMA_POINTER_FIELD_WIDTH ) - 1)
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extern ecma_Object_t* ecma_CreateObject( ecma_Object_t *pPrototypeObject, bool isExtensible);
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extern ecma_Object_t* ecma_CreateLexicalEnvironment( ecma_Object_t *pOuterLexicalEnvironment, ecma_LexicalEnvironmentType_t type);
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extern ecma_Property_t* ecma_CreateInternalProperty(ecma_Object_t *pObject, ecma_InternalPropertyId_t propertyId);
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extern ecma_Property_t* ecma_FindInternalProperty(ecma_Object_t *pObject, ecma_InternalPropertyId_t propertyId);
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extern ecma_Property_t* ecma_GetInternalProperty(ecma_Object_t *pObject, ecma_InternalPropertyId_t propertyId);
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extern ecma_Property_t* ecma_SetInternalProperty(ecma_Object_t *pObject, ecma_InternalPropertyId_t propertyId);
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extern ecma_ArrayFirstChunk_t* ecma_NewEcmaString( const ecma_Char_t *pString, ecma_Length_t length);
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extern ssize_t ecma_CopyEcmaStringCharsToBuffer( ecma_ArrayFirstChunk_t *pFirstChunk, uint8_t *pBuffer, size_t bufferSize);
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extern ecma_ArrayFirstChunk_t* ecma_DuplicateEcmaString( ecma_ArrayFirstChunk_t *pFirstChunk);
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extern bool ecma_CompareCharBufferToEcmaString( ecma_Char_t *pString, ecma_ArrayFirstChunk_t *pEcmaString);
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extern void ecma_FreeArray( ecma_ArrayFirstChunk_t *pFirstChunk);
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#endif /* !JERRY_ECMA_HELPERS_H */
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/**
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* @}
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* @}
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*/ |