83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
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/*
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Copyright (c) 2017 Kevin Funk <kfunk@.kde.org
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This library is free software; you can redistribute it and/or modify it
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under the terms of the GNU Library General Public License as published by
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the Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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This library is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
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License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA.
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*/
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#ifndef KDEVELOP_QTCOMPAT_P_H
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#define KDEVELOP_QTCOMPAT_P_H
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#include <qglobal.h>
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#include <QDir>
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#if QT_VERSION < QT_VERSION_CHECK(5,7,0)
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namespace QtPrivate
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{
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template <typename T> struct QAddConst {
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typedef const T Type;
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};
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}
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// this adds const to non-const objects (like std::as_const)
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template <typename T>
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Q_DECL_CONSTEXPR typename QtPrivate::QAddConst<T>::Type &qAsConst(T &t) Q_DECL_NOTHROW { return t; }
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// prevent rvalue arguments:
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template <typename T>
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void qAsConst(const T &&) Q_DECL_EQ_DELETE;
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#endif
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// compat for Q_FALLTHROUGH
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#if QT_VERSION < QT_VERSION_CHECK(5,8,0)
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#if defined(__has_cpp_attribute)
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# if __has_cpp_attribute(fallthrough)
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# define Q_FALLTHROUGH() [[fallthrough]]
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# elif __has_cpp_attribute(clang::fallthrough)
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# define Q_FALLTHROUGH() [[clang::fallthrough]]
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# elif __has_cpp_attribute(gnu::fallthrough)
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# define Q_FALLTHROUGH() [[gnu::fallthrough]]
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# endif
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#endif
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#ifndef Q_FALLTHROUGH
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# if defined(__GNUC__) && !defined(__INTEL_COMPILER) && (((__GNUC__ * 100) + __GNUC_MINOR__) >= 700)
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# define Q_FALLTHROUGH() __attribute__((fallthrough))
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# else
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# define Q_FALLTHROUGH() (void)0
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# endif
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#endif
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#endif
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namespace QtCompat {
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// TODO: Just use QDir::listSeparator once we depend on Qt 5.6
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Q_DECL_CONSTEXPR inline QChar listSeparator() Q_DECL_NOTHROW
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{
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#if QT_VERSION < QT_VERSION_CHECK(5,6,0)
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#ifdef Q_OS_WIN
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return QLatin1Char(';');
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#else
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return QLatin1Char(':');
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#endif
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#else
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return QDir::listSeparator();
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#endif
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}
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}
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#endif
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