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/*
* Copyright (C) 2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "JSCell.h"
#include "MarkedAllocatorInlines.h"
#include "MarkedBlock.h"
#include "MarkedSpace.h"
#include "Subspace.h"
namespace JSC {
template<typename Func>
void Subspace::forEachAllocator(const Func& func)
{
for (MarkedAllocator* allocator = m_firstAllocator; allocator; allocator = allocator->nextAllocatorInSubspace())
func(*allocator);
}
template<typename Func>
void Subspace::forEachMarkedBlock(const Func& func)
{
forEachAllocator(
[&] (MarkedAllocator& allocator) {
allocator.forEachBlock(func);
});
}
template<typename Func>
void Subspace::forEachNotEmptyMarkedBlock(const Func& func)
{
forEachAllocator(
[&] (MarkedAllocator& allocator) {
allocator.forEachNotEmptyBlock(func);
});
}
template<typename Func>
void Subspace::forEachLargeAllocation(const Func& func)
{
for (LargeAllocation* allocation = m_largeAllocations.begin(); allocation != m_largeAllocations.end(); allocation = allocation->next())
func(allocation);
}
template<typename Func>
void Subspace::forEachMarkedCell(const Func& func)
{
forEachNotEmptyMarkedBlock(
[&] (MarkedBlock::Handle* handle) {
handle->forEachMarkedCell(
[&] (HeapCell* cell, HeapCell::Kind kind) -> IterationStatus {
func(cell, kind);
return IterationStatus::Continue;
});
});
forEachLargeAllocation(
[&] (LargeAllocation* allocation) {
if (allocation->isMarked())
func(allocation->cell(), m_attributes.cellKind);
});
}
template<typename Func>
void Subspace::forEachLiveCell(const Func& func)
{
forEachMarkedBlock(
[&] (MarkedBlock::Handle* handle) {
handle->forEachLiveCell(
[&] (HeapCell* cell, HeapCell::Kind kind) -> IterationStatus {
func(cell, kind);
return IterationStatus::Continue;
});
});
forEachLargeAllocation(
[&] (LargeAllocation* allocation) {
if (allocation->isLive())
func(allocation->cell(), m_attributes.cellKind);
});
}
} // namespace JSC
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