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authorGiuseppe D'Angelo <giuseppe.dangelo@kdab.com>2015-09-02 16:22:41 +0200
committerGiuseppe D'Angelo <giuseppe.dangelo@kdab.com>2015-09-03 19:25:09 +0000
commit9129d2714a5e9b1ca86cf7911edee90ee13493d8 (patch)
tree7a7b36ff7ab068eba6907eb0b161c053a25e86a8 /src/corelib/tools
parent4116fe873eae7b541d485215ce46d9224af49701 (diff)
Implement QDebug support for QSharedPointer
... otherwise the type goes through operator bool() and prints "true" or "false" (!). [ChangeLog][QtCore][QSharedPointer] Added support for debug printing via QDebug. Change-Id: Ic3ef9b9feee8d6ca08f1dd69f20f421fea20ca00 Reviewed-by: David Faure <david.faure@kdab.com> Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Diffstat (limited to 'src/corelib/tools')
-rw-r--r--src/corelib/tools/qsharedpointer.cpp11
-rw-r--r--src/corelib/tools/qsharedpointer.h2
-rw-r--r--src/corelib/tools/qsharedpointer_impl.h11
3 files changed, 24 insertions, 0 deletions
diff --git a/src/corelib/tools/qsharedpointer.cpp b/src/corelib/tools/qsharedpointer.cpp
index 86f4c6a268..4d30396cb6 100644
--- a/src/corelib/tools/qsharedpointer.cpp
+++ b/src/corelib/tools/qsharedpointer.cpp
@@ -1292,6 +1292,17 @@
compile. Use qSharedPointerConstCast to cast away the constness.
*/
+/*!
+ \fn QDebug operator<<(QDebug debug, const QSharedPointer<T> &ptr)
+ \relates QSharedPointer
+ \since 5.7
+
+ Writes the pointer tracked by \a ptr into the debug object \a debug for
+ debugging purposes.
+
+ \sa {Debugging Techniques}
+*/
+
#include <qset.h>
#include <qmutex.h>
diff --git a/src/corelib/tools/qsharedpointer.h b/src/corelib/tools/qsharedpointer.h
index 279ec36a28..56e13d500f 100644
--- a/src/corelib/tools/qsharedpointer.h
+++ b/src/corelib/tools/qsharedpointer.h
@@ -153,6 +153,8 @@ template <class X, class T> QSharedPointer<X> qSharedPointerObjectCast(const QWe
template <class X, class T> QWeakPointer<X> qWeakPointerCast(const QWeakPointer<T> &src);
+template <class T> QDebug operator<<(QDebug debug, const QSharedPointer<T> &ptr);
+
QT_END_NAMESPACE
#endif // Q_QDOC
diff --git a/src/corelib/tools/qsharedpointer_impl.h b/src/corelib/tools/qsharedpointer_impl.h
index 1323dd6b1c..e224b26d9f 100644
--- a/src/corelib/tools/qsharedpointer_impl.h
+++ b/src/corelib/tools/qsharedpointer_impl.h
@@ -55,6 +55,7 @@ QT_END_NAMESPACE
#include <new>
#include <QtCore/qatomic.h>
#include <QtCore/qobject.h> // for qobject_cast
+#include <QtCore/qdebug.h>
#if QT_DEPRECATED_SINCE(5, 5)
#include <QtCore/qhash.h>
#endif
@@ -858,6 +859,16 @@ inline void qSwap(QSharedPointer<T> &p1, QSharedPointer<T> &p2)
p1.swap(p2);
}
+#ifndef QT_NO_DEBUG_STREAM
+template <class T>
+Q_INLINE_TEMPLATE QDebug operator<<(QDebug debug, const QSharedPointer<T> &ptr)
+{
+ QDebugStateSaver saver(debug);
+ debug.nospace() << "QSharedPointer(" << ptr.data() << ")";
+ return debug;
+}
+#endif
+
QT_END_NAMESPACE
namespace std {
template <class T>