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46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
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// 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 QEXCEPTIONHANDLING_H
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#define QEXCEPTIONHANDLING_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(QtExceptionHandling)
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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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/* These wrap try/catch so we can switch off exceptions later.
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Beware - do not use more than one QT_CATCH per QT_TRY, and do not use
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the exception instance in the catch block.
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If you can't live with those constraints, don't use these macros.
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Use the QT_NO_EXCEPTIONS macro to protect your code instead.
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*/
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Q_NORETURN Q_DECL_COLD_FUNCTION Q_CORE_EXPORT void qTerminate() noexcept;
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#ifdef QT_NO_EXCEPTIONS
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# define QT_TRY if (true)
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# define QT_CATCH(A) else
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# define QT_THROW(A) qt_noop()
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# define QT_RETHROW qt_noop()
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# define QT_TERMINATE_ON_EXCEPTION(expr) do { expr; } while (false)
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#else
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# define QT_TRY try
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# define QT_CATCH(A) catch (A)
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# define QT_THROW(A) throw A
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# define QT_RETHROW throw
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# ifdef Q_COMPILER_NOEXCEPT
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# define QT_TERMINATE_ON_EXCEPTION(expr) do { expr; } while (false)
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# else
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# define QT_TERMINATE_ON_EXCEPTION(expr) do { try { expr; } catch (...) { qTerminate(); } } while (false)
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# endif
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#endif
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QT_END_NAMESPACE
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#endif // QEXCEPTIONHANDLING_H
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