JavaScriptCore-903.tar.gz

[apple/javascriptcore.git] / wtf / Noncopyable.h

/*
 *  Copyright (C) 2006, 2010 Apple Inc. All rights reserved.
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library General Public License
 *  along with this library; see the file COPYING.LIB.  If not, write to
 *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 *  Boston, MA 02110-1301, USA.
 *
 */

#ifndef WTF_Noncopyable_h
#define WTF_Noncopyable_h

#ifndef __has_feature
    #define __has_feature(x) 0
#endif

#if __has_feature(cxx_deleted_functions)
    #define WTF_MAKE_NONCOPYABLE(ClassName) \
        _Pragma("clang diagnostic push") \
        _Pragma("clang diagnostic ignored \"-Wunknown-pragmas\"") \
        _Pragma("clang diagnostic ignored \"-Wc++0x-extensions\"") \
        private: \
            ClassName(const ClassName&) = delete; \
            ClassName& operator=(const ClassName&) = delete; \
        _Pragma("clang diagnostic pop")
#else
    #define WTF_MAKE_NONCOPYABLE(ClassName) \
        private: \
            ClassName(const ClassName&); \
            ClassName& operator=(const ClassName&)
#endif

#endif // WTF_Noncopyable_h