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Side by Side Diff: third_party/WebKit/Source/core/dom/WeakIdentifierMap.h

Issue 2694283003: Annotate ScriptWrappable-embedding singletons.
Patch Set: add XPathValue singleton Created 3 years, 10 months ago
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1 // Copyright 2015 The Chromium Authors. All rights reserved. 1 // Copyright 2015 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef WeakIdentifierMap_h 5 #ifndef WeakIdentifierMap_h
6 #define WeakIdentifierMap_h 6 #define WeakIdentifierMap_h
7 7
8 #include "platform/heap/Handle.h" 8 #include "platform/heap/Handle.h"
9 #include "wtf/Allocator.h" 9 #include "wtf/Allocator.h"
10 #include "wtf/HashMap.h" 10 #include "wtf/HashMap.h"
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95 WeakIdentifierMap<T, ##__VA_ARGS__>& \ 95 WeakIdentifierMap<T, ##__VA_ARGS__>& \
96 WeakIdentifierMap<T, ##__VA_ARGS__>::instance(); \ 96 WeakIdentifierMap<T, ##__VA_ARGS__>::instance(); \
97 extern template class WeakIdentifierMap<T, ##__VA_ARGS__>; 97 extern template class WeakIdentifierMap<T, ##__VA_ARGS__>;
98 98
99 #define DEFINE_WEAK_IDENTIFIER_MAP(T, ...) \ 99 #define DEFINE_WEAK_IDENTIFIER_MAP(T, ...) \
100 template class WeakIdentifierMap<T, ##__VA_ARGS__>; \ 100 template class WeakIdentifierMap<T, ##__VA_ARGS__>; \
101 template <> \ 101 template <> \
102 WeakIdentifierMap<T, ##__VA_ARGS__>& \ 102 WeakIdentifierMap<T, ##__VA_ARGS__>& \
103 WeakIdentifierMap<T, ##__VA_ARGS__>::instance() { \ 103 WeakIdentifierMap<T, ##__VA_ARGS__>::instance() { \
104 using RefType = WeakIdentifierMap<T, ##__VA_ARGS__>; \ 104 using RefType = WeakIdentifierMap<T, ##__VA_ARGS__>; \
105 ALLOW_UNSAFE_SINGLETON() \
105 DEFINE_STATIC_LOCAL(RefType, mapInstance, \ 106 DEFINE_STATIC_LOCAL(RefType, mapInstance, \
106 (new WeakIdentifierMap<T, ##__VA_ARGS__>())); \ 107 (new WeakIdentifierMap<T, ##__VA_ARGS__>())); \
107 return mapInstance; \ 108 return mapInstance; \
108 } 109 }
109 110
110 } // namespace blink 111 } // namespace blink
111 112
112 #endif // WeakIdentifierMap_h 113 #endif // WeakIdentifierMap_h
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