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34 lines
960 B
C++
34 lines
960 B
C++
/* Copyright (C) 2018
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* swift project Community / Contributors
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*
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* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
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* directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
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* including this file, may be copied, modified, propagated, or distributed except according to the terms
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* contained in the LICENSE file.
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*/
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//! \file
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#ifndef BLACKMISC_FALLTHROUGH_H
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#define BLACKMISC_FALLTHROUGH_H
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#include <QtGlobal>
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//! \cond
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// MSVC2017: [[fallthrough]] supported but only enabled with /std:c++17
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// GCC7+: [[gnu::fallthrough]] for C++11/14, [[fallthrough]] for C++17
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// XCode: Does not seem to work in current configuration
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#if defined(Q_CC_GNU) && Q_CC_GNU > 700
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#if __has_cpp_attribute(fallthrough)
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#define BLACK_FALLTHROUGH [[gnu::fallthrough]]
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#endif
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#else
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#define BLACK_FALLTHROUGH
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#endif
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//! \endcond
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#endif
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