mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
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102 lines
2.9 KiB
C++
102 lines
2.9 KiB
C++
/*
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* Copyright (C) 2016-2019 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. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "CellContainer.h"
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#include "HeapCell.h"
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#include "PreciseAllocation.h"
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#include "VM.h"
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namespace JSC {
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ALWAYS_INLINE bool HeapCell::isPreciseAllocation() const
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{
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return PreciseAllocation::isPreciseAllocation(const_cast<HeapCell*>(this));
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}
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ALWAYS_INLINE CellContainer HeapCell::cellContainer() const
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{
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if (isPreciseAllocation())
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return preciseAllocation();
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return markedBlock();
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}
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ALWAYS_INLINE MarkedBlock& HeapCell::markedBlock() const
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{
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return *MarkedBlock::blockFor(this);
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}
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ALWAYS_INLINE PreciseAllocation& HeapCell::preciseAllocation() const
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{
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return *PreciseAllocation::fromCell(const_cast<HeapCell*>(this));
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}
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ALWAYS_INLINE Heap* HeapCell::heap() const
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{
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return &vm().heap;
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}
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ALWAYS_INLINE VM& HeapCell::vm() const
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{
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if (isPreciseAllocation())
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return preciseAllocation().vm();
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return markedBlock().vm();
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}
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ALWAYS_INLINE size_t HeapCell::cellSize() const
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{
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if (isPreciseAllocation())
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return preciseAllocation().cellSize();
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return markedBlock().cellSize();
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}
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ALWAYS_INLINE CellAttributes HeapCell::cellAttributes() const
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{
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if (isPreciseAllocation())
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return preciseAllocation().attributes();
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return markedBlock().attributes();
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}
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ALWAYS_INLINE DestructionMode HeapCell::destructionMode() const
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{
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return cellAttributes().destruction;
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}
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ALWAYS_INLINE HeapCell::Kind HeapCell::cellKind() const
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{
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return cellAttributes().cellKind;
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}
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ALWAYS_INLINE Subspace* HeapCell::subspace() const
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{
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if (isPreciseAllocation())
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return preciseAllocation().subspace();
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return markedBlock().subspace();
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}
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} // namespace JSC
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