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39
40#ifndef QTCORE_QEXCEPTION_H
41#define QTCORE_QEXCEPTION_H
42
43#include <QtCore/qatomic.h>
44#include <QtCore/qshareddata.h>
45
46#ifndef QT_NO_EXCEPTIONS
47# include <exception>
48#endif
49
50QT_REQUIRE_CONFIG(future);
51
52QT_BEGIN_NAMESPACE
53
54
55#if !defined(QT_NO_EXCEPTIONS) || defined(Q_CLANG_QDOC)
56
57class Q_CORE_EXPORT QException : public std::exception
58{
59public:
60 ~QException() noexcept;
61 virtual void raise() const;
62 virtual QException *clone() const;
63};
64
65class Q_CORE_EXPORT QUnhandledException : public QException
66{
67public:
68 ~QUnhandledException() noexcept;
69 void raise() const override;
70 QUnhandledException *clone() const override;
71};
72
73namespace QtPrivate {
74
75class Q_CORE_EXPORT ExceptionStore
76{
77public:
78 void setException(const QException &e);
79 void setException(std::exception_ptr e);
80 bool hasException() const;
81 std::exception_ptr exception() const;
82 void throwPossibleException();
83 std::exception_ptr exceptionHolder;
84};
85
86} // namespace QtPrivate
87
88#else // QT_NO_EXCEPTIONS
89
90namespace QtPrivate {
91
92class Q_CORE_EXPORT ExceptionStore
93{
94public:
95 ExceptionStore() { }
96 inline void throwPossibleException() {}
97};
98
99} // namespace QtPrivate
100
101#endif // QT_NO_EXCEPTIONS
102
103QT_END_NAMESPACE
104
105#endif
106