darling-WTF/wtf/AutodrainedPool.h
2023-04-24 20:14:26 -07:00

65 lines
2.3 KiB
C++

/*
* Copyright (C) 2007-2018 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#ifdef __OBJC__
#error Please use @autoreleasepool instead of AutodrainedPool.
#endif
#include <wtf/Noncopyable.h>
namespace WTF {
// This class allows non-Objective-C C++ code to create an autorelease pool.
// It cannot be used in Objective-C++ code, won't be compiled; instead @autoreleasepool should be used.
// It can be used in cross-platform code; will compile down to nothing for non-Cocoa platforms.
class AutodrainedPool {
WTF_MAKE_FAST_ALLOCATED;
WTF_MAKE_NONCOPYABLE(AutodrainedPool);
public:
#if USE(FOUNDATION)
WTF_EXPORT_PRIVATE AutodrainedPool();
WTF_EXPORT_PRIVATE ~AutodrainedPool();
#else
AutodrainedPool() { }
~AutodrainedPool() { }
#endif
private:
#if USE(FOUNDATION)
void* m_autoreleasePool;
#endif
};
} // namespace WTF
using WTF::AutodrainedPool;