70 lines
2.3 KiB
C
70 lines
2.3 KiB
C
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/*
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* Copyright (C) 2010 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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#ifndef JSWeakObjectMapRefInternal_h
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#define JSWeakObjectMapRefInternal_h
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#include "WeakGCMap.h"
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#include <wtf/RefCounted.h>
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namespace JSC {
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class JSObject;
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}
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typedef void (*JSWeakMapDestroyedCallback)(struct OpaqueJSWeakObjectMap*, void*);
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typedef JSC::WeakGCMap<void*, JSC::JSObject> WeakMapType;
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struct OpaqueJSWeakObjectMap : public RefCounted<OpaqueJSWeakObjectMap> {
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public:
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static Ref<OpaqueJSWeakObjectMap> create(JSC::VM& vm, void* data, JSWeakMapDestroyedCallback callback)
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{
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return adoptRef(*new OpaqueJSWeakObjectMap(vm, data, callback));
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}
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WeakMapType& map() { return m_map; }
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~OpaqueJSWeakObjectMap()
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{
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m_callback(this, m_data);
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}
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private:
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OpaqueJSWeakObjectMap(JSC::VM& vm, void* data, JSWeakMapDestroyedCallback callback)
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: m_map(vm)
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, m_data(data)
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, m_callback(callback)
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{
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}
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WeakMapType m_map;
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void* m_data;
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JSWeakMapDestroyedCallback m_callback;
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};
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#endif // JSWeakObjectMapInternal_h
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