1/* 2 * Copyright (C) 2013, 2014 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 DFGDesiredIdentifiers_h 27#define DFGDesiredIdentifiers_h 28 29#if ENABLE(DFG_JIT) 30 31#include "Identifier.h" 32 33namespace JSC { 34 35class CodeBlock; 36 37namespace DFG { 38 39class CommonData; 40 41class DesiredIdentifiers { 42public: 43 DesiredIdentifiers(); 44 DesiredIdentifiers(CodeBlock*); 45 ~DesiredIdentifiers(); 46 47 unsigned numberOfIdentifiers(); 48 void addLazily(StringImpl*); 49 50 StringImpl* at(unsigned index) const; 51 52 StringImpl* operator[](unsigned index) const { return at(index); } 53 54 void reallyAdd(VM&, CommonData*); 55 56private: 57 CodeBlock* m_codeBlock; 58 Vector<StringImpl*> m_addedIdentifiers; 59}; 60 61} } // namespace JSC::DFG 62 63#endif // ENABLE(DFG_JIT) 64 65#endif // DFGDesiredIdentifiers_h 66 67