| 1 | // Copyright (C) 2022 The Qt Company Ltd. |
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| 2 | // 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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| 3 | |
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| 4 | #ifndef QEXCEPTIONHANDLING_H |
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| 5 | #define QEXCEPTIONHANDLING_H |
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| 6 | |
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| 7 | #include <QtCore/qtconfigmacros.h> |
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| 8 | #include <QtCore/qcompilerdetection.h> |
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| 9 | #include <QtCore/qtcoreexports.h> |
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| 10 | |
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| 11 | #if 0 |
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| 12 | #pragma qt_class(QtExceptionHandling) |
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| 13 | #pragma qt_sync_stop_processing |
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| 14 | #endif |
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| 15 | |
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| 16 | QT_BEGIN_NAMESPACE |
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| 17 | |
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| 18 | /* These wrap try/catch so we can switch off exceptions later. |
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| 19 | |
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| 20 | Beware - do not use more than one QT_CATCH per QT_TRY, and do not use |
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| 21 | the exception instance in the catch block. |
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| 22 | If you can't live with those constraints, don't use these macros. |
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| 23 | Use the QT_NO_EXCEPTIONS macro to protect your code instead. |
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| 24 | */ |
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| 25 | Q_NORETURN Q_DECL_COLD_FUNCTION Q_CORE_EXPORT void qTerminate() noexcept; |
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| 26 | #ifdef QT_NO_EXCEPTIONS |
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| 27 | # define QT_TRY if (true) |
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| 28 | # define QT_CATCH(A) else |
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| 29 | # define QT_THROW(A) qt_noop() |
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| 30 | # define QT_RETHROW qt_noop() |
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| 31 | # define QT_TERMINATE_ON_EXCEPTION(expr) do { expr; } while (false) |
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| 32 | #else |
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| 33 | # define QT_TRY try |
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| 34 | # define QT_CATCH(A) catch (A) |
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| 35 | # define QT_THROW(A) throw A |
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| 36 | # define QT_RETHROW throw |
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| 37 | # ifdef Q_COMPILER_NOEXCEPT |
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| 38 | # define QT_TERMINATE_ON_EXCEPTION(expr) do { expr; } while (false) |
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| 39 | # else |
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| 40 | # define QT_TERMINATE_ON_EXCEPTION(expr) do { try { expr; } catch (...) { qTerminate(); } } while (false) |
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| 41 | # endif |
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| 42 | #endif |
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| 43 | |
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| 44 | QT_END_NAMESPACE |
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| 45 | |
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| 46 | #endif // QEXCEPTIONHANDLING_H |
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| 47 | |
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