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/*
* Copyright (C) 2016-2018 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 "MarkedBlockInlines.h"
#include "MarkedSpace.h"
namespace JSC {
ALWAYS_INLINE Heap& MarkedSpace::heap() const
{
return *bitwise_cast<Heap*>(bitwise_cast<uintptr_t>(this) - OBJECT_OFFSETOF(Heap, m_objectSpace));
}
template<typename Functor> inline void MarkedSpace::forEachLiveCell(HeapIterationScope&, const Functor& functor)
{
ASSERT(isIterating());
forEachLiveCell(functor);
}
template<typename Functor> inline void MarkedSpace::forEachLiveCell(const Functor& functor)
{
BlockIterator end = m_blocks.set().end();
for (BlockIterator it = m_blocks.set().begin(); it != end; ++it) {
IterationStatus result = (*it)->handle().forEachLiveCell(
[&] (size_t, HeapCell* cell, HeapCell::Kind kind) -> IterationStatus {
return functor(cell, kind);
});
if (result == IterationStatus::Done)
return;
}
for (PreciseAllocation* allocation : m_preciseAllocations) {
if (allocation->isLive()) {
if (functor(allocation->cell(), allocation->attributes().cellKind) == IterationStatus::Done)
return;
}
}
}
template<typename Functor> inline void MarkedSpace::forEachDeadCell(HeapIterationScope&, const Functor& functor)
{
ASSERT(isIterating());
BlockIterator end = m_blocks.set().end();
for (BlockIterator it = m_blocks.set().begin(); it != end; ++it) {
if ((*it)->handle().forEachDeadCell(functor) == IterationStatus::Done)
return;
}
for (PreciseAllocation* allocation : m_preciseAllocations) {
if (!allocation->isLive()) {
if (functor(allocation->cell(), allocation->attributes().cellKind) == IterationStatus::Done)
return;
}
}
}
} // namespace JSC
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