mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
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78 lines
3.1 KiB
C++
78 lines
3.1 KiB
C++
/*
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* Copyright (C) 2015-2016 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 "HeapInlines.h"
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#include "WeakGCMap.h"
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#include "WeakInlines.h"
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namespace JSC {
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template<typename KeyArg, typename ValueArg, typename HashArg, typename KeyTraitsArg>
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inline WeakGCMap<KeyArg, ValueArg, HashArg, KeyTraitsArg>::WeakGCMap(VM& vm)
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: m_vm(vm)
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{
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vm.heap.registerWeakGCMap(this);
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}
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template<typename KeyArg, typename ValueArg, typename HashArg, typename KeyTraitsArg>
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inline WeakGCMap<KeyArg, ValueArg, HashArg, KeyTraitsArg>::~WeakGCMap()
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{
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m_vm.heap.unregisterWeakGCMap(this);
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}
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template<typename KeyArg, typename ValueArg, typename HashArg, typename KeyTraitsArg>
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inline typename WeakGCMap<KeyArg, ValueArg, HashArg, KeyTraitsArg>::iterator WeakGCMap<KeyArg, ValueArg, HashArg, KeyTraitsArg>::find(const KeyType& key)
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{
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iterator it = m_map.find(key);
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iterator end = m_map.end();
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if (it != end && !it->value) // Found a zombie value.
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return end;
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return it;
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}
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template<typename KeyArg, typename ValueArg, typename HashArg, typename KeyTraitsArg>
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inline typename WeakGCMap<KeyArg, ValueArg, HashArg, KeyTraitsArg>::const_iterator WeakGCMap<KeyArg, ValueArg, HashArg, KeyTraitsArg>::find(const KeyType& key) const
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{
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return const_cast<WeakGCMap*>(this)->find(key);
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}
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template<typename KeyArg, typename ValueArg, typename HashArg, typename KeyTraitsArg>
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inline bool WeakGCMap<KeyArg, ValueArg, HashArg, KeyTraitsArg>::contains(const KeyType& key) const
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{
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return find(key) != m_map.end();
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}
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template<typename KeyArg, typename ValueArg, typename HashArg, typename KeyTraitsArg>
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NEVER_INLINE void WeakGCMap<KeyArg, ValueArg, HashArg, KeyTraitsArg>::pruneStaleEntries()
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{
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m_map.removeIf([](typename HashMapType::KeyValuePairType& entry) {
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return !entry.value;
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});
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}
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} // namespace JSC
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