| /**************************************************************************** |
| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
| ** Contact: http://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtCore module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL21$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see http://www.qt.io/terms-conditions. For further |
| ** information use the contact form at http://www.qt.io/contact-us. |
| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 2.1 or version 3 as published by the Free |
| ** Software Foundation and appearing in the file LICENSE.LGPLv21 and |
| ** LICENSE.LGPLv3 included in the packaging of this file. Please review the |
| ** following information to ensure the GNU Lesser General Public License |
| ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and |
| ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
| ** |
| ** As a special exception, The Qt Company gives you certain additional |
| ** rights. These rights are described in The Qt Company LGPL Exception |
| ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QTCORE_QEXCEPTION_H |
| #define QTCORE_QEXCEPTION_H |
| |
| #include <QtCore/qglobal.h> |
| |
| #ifndef QT_NO_QFUTURE |
| |
| #include <QtCore/qatomic.h> |
| #include <QtCore/qshareddata.h> |
| |
| #ifndef QT_NO_EXCEPTIONS |
| # include <exception> |
| #endif |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| #ifndef QT_NO_EXCEPTIONS |
| |
| class Q_CORE_EXPORT QException : public std::exception |
| { |
| public: |
| virtual void raise() const; |
| virtual QException *clone() const; |
| }; |
| |
| class Q_CORE_EXPORT QUnhandledException : public QException |
| { |
| public: |
| void raise() const Q_DECL_OVERRIDE; |
| QUnhandledException *clone() const Q_DECL_OVERRIDE; |
| }; |
| |
| namespace QtPrivate { |
| |
| class Base; |
| class Q_CORE_EXPORT ExceptionHolder |
| { |
| public: |
| ExceptionHolder(QException *exception = 0); |
| ExceptionHolder(const ExceptionHolder &other); |
| void operator=(const ExceptionHolder &other); |
| ~ExceptionHolder(); |
| QException *exception() const; |
| QExplicitlySharedDataPointer<Base> base; |
| }; |
| |
| class Q_CORE_EXPORT ExceptionStore |
| { |
| public: |
| void setException(const QException &e); |
| bool hasException() const; |
| ExceptionHolder exception(); |
| void throwPossibleException(); |
| bool hasThrown() const; |
| ExceptionHolder exceptionHolder; |
| }; |
| |
| } // namespace QtPrivate |
| |
| #else // QT_NO_EXCEPTIONS |
| |
| namespace QtPrivate { |
| |
| class Q_CORE_EXPORT ExceptionStore |
| { |
| public: |
| ExceptionStore() { } |
| inline void throwPossibleException() {} |
| }; |
| |
| } // namespace QtPrivate |
| |
| #endif // QT_NO_EXCEPTIONS |
| |
| QT_END_NAMESPACE |
| |
| #endif // QT_NO_QFUTURE |
| |
| #endif |