| | 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. AND ITS CONTRIBUTORS ``AS IS'' |
| | 14 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| | 15 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| | 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| | 17 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| | 18 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| | 19 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| | 20 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| | 21 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| | 22 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| | 23 | * THE POSSIBILITY OF SUCH DAMAGE. |
| | 24 | */ |
| | 25 | |
| | 26 | #ifndef DFGDesiredWeakReferences_h |
| | 27 | #define DFGDesiredWeakReferences_h |
| | 28 | |
| | 29 | #include <wtf/HashSet.h> |
| | 30 | |
| | 31 | #if ENABLE(DFG_JIT) |
| | 32 | |
| | 33 | namespace JSC { |
| | 34 | |
| | 35 | class CodeBlock; |
| | 36 | class JSCell; |
| | 37 | class SlotVisitor; |
| | 38 | class VM; |
| | 39 | |
| | 40 | namespace DFG { |
| | 41 | |
| | 42 | class CommonData; |
| | 43 | |
| | 44 | class DesiredWeakReferences { |
| | 45 | public: |
| | 46 | DesiredWeakReferences(); |
| | 47 | DesiredWeakReferences(CodeBlock*); |
| | 48 | ~DesiredWeakReferences(); |
| | 49 | |
| | 50 | void addLazily(JSCell*); |
| | 51 | bool contains(JSCell*); |
| | 52 | |
| | 53 | void reallyAdd(VM&, CommonData*); |
| | 54 | |
| | 55 | void visitChildren(SlotVisitor&); |
| | 56 | |
| | 57 | private: |
| | 58 | CodeBlock* m_codeBlock; |
| | 59 | HashSet<JSCell*> m_references; |
| | 60 | }; |
| | 61 | |
| | 62 | } } // namespace JSC::DFG |
| | 63 | |
| | 64 | #endif // ENABLE(DFG_JIT) |
| | 65 | |
| | 66 | #endif // DFGDesiredWeakReferences_h |
projects / apple / javascriptcore.git / blame_incremental