mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2024-11-23 04:09:40 +00:00
77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
/*
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* Copyright (C) 2013 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "HandleBlock.h"
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#include <wtf/FastMalloc.h>
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namespace JSC {
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inline HandleBlock* HandleBlock::create(HandleSet* handleSet)
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{
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return new (NotNull, fastAlignedMalloc(blockSize, blockSize)) HandleBlock(handleSet);
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}
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inline void HandleBlock::destroy(HandleBlock* block)
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{
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block->~HandleBlock();
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fastAlignedFree(block);
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}
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inline HandleBlock::HandleBlock(HandleSet* handleSet)
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: DoublyLinkedListNode<HandleBlock>()
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, m_handleSet(handleSet)
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{
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}
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inline char* HandleBlock::payloadEnd()
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{
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return reinterpret_cast<char*>(this) + blockSize;
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}
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inline char* HandleBlock::payload()
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{
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return reinterpret_cast<char*>(this) + WTF::roundUpToMultipleOf<sizeof(double)>(sizeof(HandleBlock));
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}
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inline HandleNode* HandleBlock::nodes()
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{
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return reinterpret_cast_ptr<HandleNode*>(payload());
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}
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inline HandleNode* HandleBlock::nodeAtIndex(unsigned i)
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{
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ASSERT(i < nodeCapacity());
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return &nodes()[i];
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}
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inline unsigned HandleBlock::nodeCapacity()
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{
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return (payloadEnd() - payload()) / sizeof(HandleNode);
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}
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} // namespace JSC
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