1 /* 2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 /* 12 * WebRtc 13 * Copy from third_party/libjingle/source/talk/base/constructormagic.h 14 */ 15 16 #ifndef WEBRTC_SYSTEM_WRAPPERS_INTERFACE_CONSTRUCTOR_MAGIC_H_ 17 #define WEBRTC_SYSTEM_WRAPPERS_INTERFACE_CONSTRUCTOR_MAGIC_H_ 18 19 #ifndef DISALLOW_ASSIGN 20 #define DISALLOW_ASSIGN(TypeName) \ 21 void operator=(const TypeName&) 22 #endif 23 24 #ifndef DISALLOW_COPY_AND_ASSIGN 25 // A macro to disallow the evil copy constructor and operator= functions 26 // This should be used in the private: declarations for a class 27 #define DISALLOW_COPY_AND_ASSIGN(TypeName) \ 28 TypeName(const TypeName&); \ 29 DISALLOW_ASSIGN(TypeName) 30 #endif 31 32 #ifndef DISALLOW_EVIL_CONSTRUCTORS 33 // Alternative, less-accurate legacy name. 34 #define DISALLOW_EVIL_CONSTRUCTORS(TypeName) \ 35 DISALLOW_COPY_AND_ASSIGN(TypeName) 36 #endif 37 38 #ifndef DISALLOW_IMPLICIT_CONSTRUCTORS 39 // A macro to disallow all the implicit constructors, namely the 40 // default constructor, copy constructor and operator= functions. 41 // 42 // This should be used in the private: declarations for a class 43 // that wants to prevent anyone from instantiating it. This is 44 // especially useful for classes containing only static methods. 45 #define DISALLOW_IMPLICIT_CONSTRUCTORS(TypeName) \ 46 TypeName(); \ 47 DISALLOW_EVIL_CONSTRUCTORS(TypeName) 48 #endif 49 50 #endif // WEBRTC_SYSTEM_WRAPPERS_INTERFACE_CONSTRUCTOR_MAGIC_H_ 51
