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Diffstat (limited to 'src/system_wrappers/interface/constructor_magic.h')
| -rw-r--r-- | src/system_wrappers/interface/constructor_magic.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/system_wrappers/interface/constructor_magic.h b/src/system_wrappers/interface/constructor_magic.h new file mode 100644 index 0000000000..b2aabc574f --- /dev/null +++ b/src/system_wrappers/interface/constructor_magic.h @@ -0,0 +1,50 @@ +/* + * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +/* + * WebRtc + * Copy from third_party/libjingle/source/talk/base/constructormagic.h + */ + +#ifndef WEBRTC_SYSTEM_WRAPPERS_INTERFACE_CONSTRUCTOR_MAGIC_H_ +#define WEBRTC_SYSTEM_WRAPPERS_INTERFACE_CONSTRUCTOR_MAGIC_H_ + +#ifndef DISALLOW_ASSIGN +#define DISALLOW_ASSIGN(TypeName) \ + void operator=(const TypeName&) +#endif + +#ifndef DISALLOW_COPY_AND_ASSIGN +// A macro to disallow the evil copy constructor and operator= functions +// This should be used in the private: declarations for a class +#define DISALLOW_COPY_AND_ASSIGN(TypeName) \ + TypeName(const TypeName&); \ + DISALLOW_ASSIGN(TypeName) +#endif + +#ifndef DISALLOW_EVIL_CONSTRUCTORS +// Alternative, less-accurate legacy name. +#define DISALLOW_EVIL_CONSTRUCTORS(TypeName) \ + DISALLOW_COPY_AND_ASSIGN(TypeName) +#endif + +#ifndef DISALLOW_IMPLICIT_CONSTRUCTORS +// A macro to disallow all the implicit constructors, namely the +// default constructor, copy constructor and operator= functions. +// +// This should be used in the private: declarations for a class +// that wants to prevent anyone from instantiating it. This is +// especially useful for classes containing only static methods. +#define DISALLOW_IMPLICIT_CONSTRUCTORS(TypeName) \ + TypeName(); \ + DISALLOW_EVIL_CONSTRUCTORS(TypeName) +#endif + +#endif // WEBRTC_SYSTEM_WRAPPERS_INTERFACE_CONSTRUCTOR_MAGIC_H_ |