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/*
* Copyright (C) 2021 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. AND ITS CONTRIBUTORS ``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 ITS 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 "HeapInlines.h"
#include "WeakGCSet.h"
#include "WeakInlines.h"
namespace JSC {
template<typename ValueArg, typename HashArg, typename TraitsArg>
inline WeakGCSet<ValueArg, HashArg, TraitsArg>::WeakGCSet(VM& vm)
: m_vm(vm)
{
vm.heap.registerWeakGCHashTable(this);
}
template<typename ValueArg, typename HashArg, typename TraitsArg>
inline WeakGCSet<ValueArg, HashArg, TraitsArg>::~WeakGCSet()
{
m_vm.heap.unregisterWeakGCHashTable(this);
}
template<typename ValueArg, typename HashArg, typename TraitsArg>
inline typename WeakGCSet<ValueArg, HashArg, TraitsArg>::iterator WeakGCSet<ValueArg, HashArg, TraitsArg>::find(const ValueType& value)
{
iterator it = m_set.find(value);
iterator end = m_set.end();
if (it != end && !*it) // Found a zombie value.
return end;
return it;
}
template<typename ValueArg, typename HashArg, typename TraitsArg>
inline typename WeakGCSet<ValueArg, HashArg, TraitsArg>::const_iterator WeakGCSet<ValueArg, HashArg, TraitsArg>::find(const ValueType& value) const
{
return const_cast<WeakGCSet*>(this)->find(value);
}
template<typename ValueArg, typename HashArg, typename TraitsArg>
inline bool WeakGCSet<ValueArg, HashArg, TraitsArg>::contains(const ValueType& value) const
{
return find(value) != m_set.end();
}
template<typename ValueArg, typename HashArg, typename TraitsArg>
NEVER_INLINE void WeakGCSet<ValueArg, HashArg, TraitsArg>::pruneStaleEntries()
{
m_set.removeIf([](auto& entry) {
return !entry;
});
}
} // namespace JSC
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