1/* 2 * Copyright (C) 2013 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef GCIncomingRefCountedSet_h 27#define GCIncomingRefCountedSet_h 28 29#include "GCIncomingRefCounted.h" 30 31namespace JSC { 32 33// T = some subtype of GCIncomingRefCounted, must support a gcSizeEstimateInBytes() 34// method. 35template<typename T> 36class GCIncomingRefCountedSet { 37public: 38 GCIncomingRefCountedSet(); 39 ~GCIncomingRefCountedSet(); 40 41 // Returns true if the native object is new to this set. 42 bool addReference(JSCell*, T*); 43 44 void sweep(); 45 46 size_t size() const { return m_bytes; }; 47 48private: 49 static bool removeAll(JSCell*); 50 static bool removeDead(JSCell*); 51 52 Vector<T*> m_vector; 53 size_t m_bytes; 54}; 55 56} // namespace JSC 57 58#endif // GCIncomingRefCountedSet_h 59 60