projects / apple / javascriptcore.git / blame
| Commit | Line | Data |
|---|---|---|
| 14957cd0 | 1 | /* |
| 81345200 | 2 | * Copyright (C) 2013, 2014 Apple Inc. All rights reserved. |
| 14957cd0 A |
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 | ||
| 81345200 A |
26 | #ifndef DFGDesiredWeakReferences_h |
| 27 | #define DFGDesiredWeakReferences_h | |
| 14957cd0 | 28 | |
| ed1e77d3 | 29 | #include <wtf/HashSet.h> |
| 14957cd0 | 30 | |
| 81345200 | 31 | #if ENABLE(DFG_JIT) |
| 14957cd0 | 32 | |
| 81345200 A |
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*); | |
| ed1e77d3 A |
51 | bool contains(JSCell*); |
| 52 | ||
| 81345200 A |
53 | void reallyAdd(VM&, CommonData*); |
| 54 | ||
| 55 | void visitChildren(SlotVisitor&); | |
| 56 | ||
| 57 | private: | |
| 58 | CodeBlock* m_codeBlock; | |
| ed1e77d3 | 59 | HashSet<JSCell*> m_references; |
| 81345200 A |
60 | }; |
| 61 | ||
| 62 | } } // namespace JSC::DFG | |
| 63 | ||
| 64 | #endif // ENABLE(DFG_JIT) | |
| 65 | ||
| 66 | #endif // DFGDesiredWeakReferences_h |