1 /* 2 * Copyright (C) 2008 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 COMPUTER, 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 COMPUTER, 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 StructureChain_h 27 #define StructureChain_h 28 29 #include <wtf/OwnArrayPtr.h> 30 #include <wtf/PassRefPtr.h> 31 #include <wtf/RefCounted.h> 32 #include <wtf/RefPtr.h> 33 34 namespace JSC { 35 36 class Structure; 37 38 class StructureChain : public RefCounted<StructureChain> { 39 friend class JIT; 40 41 public: create(Structure * head)42 static PassRefPtr<StructureChain> create(Structure* head) { return adoptRef(new StructureChain(head)); } head()43 RefPtr<Structure>* head() { return m_vector.get(); } 44 45 private: 46 StructureChain(Structure* head); 47 48 OwnArrayPtr<RefPtr<Structure> > m_vector; 49 }; 50 51 } // namespace JSC 52 53 #endif // StructureChain_h 54