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Side by Side Diff: third_party/WebKit/Source/wtf/LeakAnnotations.h

Issue 1564323002: Fix std::enable_if<> conversion bug. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 11 months ago
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1 /* 1 /*
2 * Copyright (C) 2013 Google Inc. All rights reserved. 2 * Copyright (C) 2013 Google Inc. All rights reserved.
3 * Copyright (C) 2013 Samsung Electronics. All rights reserved. 3 * Copyright (C) 2013 Samsung Electronics. All rights reserved.
4 * 4 *
5 * Redistribution and use in source and binary forms, with or without 5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are 6 * modification, are permitted provided that the following conditions are
7 * met: 7 * met:
8 * 8 *
9 * * Redistributions of source code must retain the above copyright 9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer. 10 * notice, this list of conditions and the following disclaimer.
(...skipping 85 matching lines...) Expand 10 before | Expand all | Expand 10 after
96 // 96 //
97 // An empty, trivial registerStatic() method is provided for all other class typ es T. 97 // An empty, trivial registerStatic() method is provided for all other class typ es T.
98 template<typename T> 98 template<typename T>
99 class CanRegisterStaticLocalReference { 99 class CanRegisterStaticLocalReference {
100 typedef char YesType; 100 typedef char YesType;
101 typedef struct NoType { 101 typedef struct NoType {
102 char padding[8]; 102 char padding[8];
103 } NoType; 103 } NoType;
104 104
105 // Check if class T has public method "T* registerAsStaticReference()". 105 // Check if class T has public method "T* registerAsStaticReference()".
106 template<typename V> static YesType checkHasRegisterAsStaticReferenceMethod( V* p, typename std::enable_if<IsSubclass<V, typename std::remove_pointer<decltyp e(p->registerAsStaticReference())>::type>::value>::Type* = 0); 106 template<typename V> static YesType checkHasRegisterAsStaticReferenceMethod( V* p, typename std::enable_if<IsSubclass<V, typename std::remove_pointer<decltyp e(p->registerAsStaticReference())>::type>::value>::type* = 0);
107 template<typename V> static NoType checkHasRegisterAsStaticReferenceMethod(. ..); 107 template<typename V> static NoType checkHasRegisterAsStaticReferenceMethod(. ..);
108 108
109 public: 109 public:
110 static const bool value = sizeof(YesType) + sizeof(T) == sizeof(checkHasRegi sterAsStaticReferenceMethod<T>(nullptr)) + sizeof(T); 110 static const bool value = sizeof(YesType) + sizeof(T) == sizeof(checkHasRegi sterAsStaticReferenceMethod<T>(nullptr)) + sizeof(T);
111 }; 111 };
112 112
113 template<typename T, bool = CanRegisterStaticLocalReference<T>::value> 113 template<typename T, bool = CanRegisterStaticLocalReference<T>::value>
114 class RegisterStaticLocalReference { 114 class RegisterStaticLocalReference {
115 public: 115 public:
116 static T* registerStatic(T* ptr) 116 static T* registerStatic(T* ptr)
(...skipping 14 matching lines...) Expand all
131 #define LEAK_SANITIZER_REGISTER_STATIC_LOCAL(Type, Object) WTF::RegisterStaticLo calReference<Type>::registerStatic(Object) 131 #define LEAK_SANITIZER_REGISTER_STATIC_LOCAL(Type, Object) WTF::RegisterStaticLo calReference<Type>::registerStatic(Object)
132 #else 132 #else
133 #define WTF_INTERNAL_LEAK_SANITIZER_DISABLED_SCOPE 133 #define WTF_INTERNAL_LEAK_SANITIZER_DISABLED_SCOPE
134 #define LEAK_SANITIZER_IGNORE_OBJECT 134 #define LEAK_SANITIZER_IGNORE_OBJECT
135 #define LEAK_SANITIZER_REGISTER_STATIC_LOCAL(Type, Object) Object 135 #define LEAK_SANITIZER_REGISTER_STATIC_LOCAL(Type, Object) Object
136 #endif // USE(LEAK_SANITIZER) 136 #endif // USE(LEAK_SANITIZER)
137 137
138 } // namespace WTF 138 } // namespace WTF
139 139
140 #endif // WTF_LeakAnnotations_h 140 #endif // WTF_LeakAnnotations_h
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