diff options
Diffstat (limited to 'src/corelib/global/qglobal.h')
| -rw-r--r-- | src/corelib/global/qglobal.h | 97 |
1 files changed, 85 insertions, 12 deletions
diff --git a/src/corelib/global/qglobal.h b/src/corelib/global/qglobal.h index b075db6231..030840e024 100644 --- a/src/corelib/global/qglobal.h +++ b/src/corelib/global/qglobal.h @@ -1301,6 +1301,32 @@ class QDataStream; # define Q_AUTOTEST_EXPORT #endif +inline void qt_noop() {} + +/* These wrap try/catch so we can switch off exceptions later. + + Beware - do not use more than one QT_CATCH per QT_TRY, and do not use + the exception instance in the catch block. + If you can't live with those constraints, don't use these macros. + Use the QT_NO_EXCEPTIONS macro to protect your code instead. +*/ + +#ifdef QT_BOOTSTRAPPED +# define QT_NO_EXCEPTIONS +#endif + +#ifdef QT_NO_EXCEPTIONS +# define QT_TRY if (true) +# define QT_CATCH(A) else +# define QT_THROW(A) qt_noop() +# define QT_RETHROW qt_noop() +#else +# define QT_TRY try +# define QT_CATCH(A) catch (A) +# define QT_THROW(A) throw A +# define QT_RETHROW throw +#endif + /* System information */ @@ -1554,8 +1580,6 @@ inline QNoDebug qDebug(); #endif -inline void qt_noop() {} - Q_CORE_EXPORT void qt_assert(const char *assertion, const char *file, int line); #if !defined(Q_ASSERT) @@ -1581,11 +1605,16 @@ Q_CORE_EXPORT void qt_assert_x(const char *where, const char *what, const char * #endif Q_CORE_EXPORT void qt_check_pointer(const char *, int); +Q_CORE_EXPORT void qBadAlloc(); -#ifndef QT_NO_DEBUG -# define Q_CHECK_PTR(p) do {if(!(p))qt_check_pointer(__FILE__,__LINE__);} while (0) +#ifdef QT_NO_EXCEPTIONS +# if defined(QT_NO_DEBUG) +# define Q_CHECK_PTR(p) qt_noop(); +# else +# define Q_CHECK_PTR(p) do {if(!(p))qt_check_pointer(__FILE__,__LINE__);} while (0) +# endif #else -# define Q_CHECK_PTR(p) +# define Q_CHECK_PTR(p) do { if (!(p)) qBadAlloc(); } while (0) #endif #if (defined(Q_CC_GNU) && !defined(Q_OS_SOLARIS)) || defined(Q_CC_HPACC) @@ -1734,12 +1763,12 @@ public: static TYPE *NAME() \ { \ if (!this_##NAME.pointer && !this_##NAME.destroyed) { \ - TYPE *x = new TYPE; \ + QScopedPointer<TYPE > x(new TYPE); \ INITIALIZER; \ - if (!this_##NAME.pointer.testAndSetOrdered(0, x)) \ - delete x; \ - else \ + if (this_##NAME.pointer.testAndSetOrdered(0, x.data())) { \ static QGlobalStaticDeleter<TYPE > cleanup(this_##NAME); \ + x.take(); \ + } \ } \ return this_##NAME.pointer; \ } @@ -2193,8 +2222,8 @@ inline const QForeachContainer<T> *qForeachContainer(const QForeachContainerBase #endif #define Q_DECLARE_PRIVATE(Class) \ - inline Class##Private* d_func() { return reinterpret_cast<Class##Private *>(d_ptr); } \ - inline const Class##Private* d_func() const { return reinterpret_cast<const Class##Private *>(d_ptr); } \ + inline Class##Private* d_func() { return reinterpret_cast<Class##Private *>(d_ptr.data()); } \ + inline const Class##Private* d_func() const { return reinterpret_cast<const Class##Private *>(d_ptr.data()); } \ friend class Class##Private; #define Q_DECLARE_PRIVATE_D(Dptr, Class) \ @@ -2242,7 +2271,9 @@ inline const QForeachContainer<T> *qForeachContainer(const QForeachContainerBase Class(const Class &); \ Class &operator=(const Class &); #else -# define Q_DISABLE_COPY(Class) +# define Q_DISABLE_COPY(Class) \ + Class(const Class &); \ + Class &operator=(const Class &); #endif class QByteArray; @@ -2434,6 +2465,48 @@ QT_LICENSED_MODULE(DBus) # define QT_NO_CONCURRENT_FILTER #endif +#if defined(Q_OS_SYMBIAN) + +#include <stdexcept> +class QSymbianLeaveException : public std::exception +{ +public: + QSymbianLeaveException(int err) : error(err){ } + const char* what() const throw(); +public: + int error; +}; + +Q_CORE_EXPORT void qt_translateSymbianErrorToException(int error); +Q_CORE_EXPORT void qt_translateExceptionToSymbianErrorL(const std::exception& ex); +Q_CORE_EXPORT int qt_translateExceptionToSymbianError(const std::exception& ex); + +#define QT_TRANSLATE_SYMBIAN_LEAVE_TO_EXCEPTION(f) \ + { \ + TInt error; \ + TRAP(error, f); \ + if (error) \ + qt_translateSymbianErrorToException(error); \ + } + +#define QT_TRANSLATE_EXCEPTION_TO_SYMBIAN_ERROR(err, f) \ + { \ + err = KErrNone; \ + try { \ + f; \ + } catch (const std::exception &ex) { \ + err = qt_translateExceptionToSymbianError(ex); \ + } \ + } + +#define QT_TRANSLATE_EXCEPTION_TO_SYMBIAN_LEAVE(f) \ + { \ + TInt err; \ + QT_TRANSLATE_EXCEPTION_TO_SYMBIAN_ERROR(err, f) \ + User::LeaveIfError(err); \ + } +#endif + QT_END_NAMESPACE QT_END_HEADER |