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/*
* 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
// We don't want argument-dependent lookup to pull in everything from the WTF
// namespace when you use Noncopyable, so put it in its own namespace.
#include "FastAllocBase.h"
namespace WTFNoncopyable {
class Noncopyable : public FastAllocBase {
Noncopyable(const Noncopyable&);
Noncopyable& operator=(const Noncopyable&);
protected:
Noncopyable() { }
~Noncopyable() { }
};
} // namespace WTFNoncopyable
using WTFNoncopyable::Noncopyable;
#endif // WTF_Noncopyable_h
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