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https://github.com/NohamR/RMHook-Win.git
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55 lines
1.3 KiB
C++
55 lines
1.3 KiB
C++
// Copyright (C) 2022 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
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#ifndef QSWAP_H
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#define QSWAP_H
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#include <QtCore/qtconfigmacros.h>
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#include <QtCore/qcompilerdetection.h>
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#if 0
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#pragma qt_class(QtSwap)
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#pragma qt_sync_stop_processing
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#endif
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QT_BEGIN_NAMESPACE
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QT_WARNING_PUSH
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// warning: noexcept-expression evaluates to 'false' because of a call to 'void swap(..., ...)'
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QT_WARNING_DISABLE_GCC("-Wnoexcept")
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namespace QtPrivate
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{
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namespace SwapExceptionTester { // insulate users from the "using std::swap" below
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using std::swap; // import std::swap
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template <typename T>
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void checkSwap(T &t)
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noexcept(noexcept(swap(t, t)));
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// declared, but not implemented (only to be used in unevaluated contexts (noexcept operator))
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}
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} // namespace QtPrivate
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// Documented in ../tools/qalgorithm.qdoc
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template <typename T>
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constexpr void qSwap(T &value1, T &value2)
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noexcept(noexcept(QtPrivate::SwapExceptionTester::checkSwap(value1)))
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{
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using std::swap;
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swap(value1, value2);
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}
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// pure compile-time micro-optimization for our own headers, so not documented:
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template <typename T>
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constexpr inline void qt_ptr_swap(T* &lhs, T* &rhs) noexcept
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{
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T *tmp = lhs;
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lhs = rhs;
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rhs = tmp;
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}
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QT_WARNING_POP
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QT_END_NAMESPACE
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#endif // QSWAP_H
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