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-rw-r--r--src/corelib/tools/qsharedpointer_impl.h77
1 files changed, 53 insertions, 24 deletions
diff --git a/src/corelib/tools/qsharedpointer_impl.h b/src/corelib/tools/qsharedpointer_impl.h
index 70b100d018..6a5c8f4fe5 100644
--- a/src/corelib/tools/qsharedpointer_impl.h
+++ b/src/corelib/tools/qsharedpointer_impl.h
@@ -1,31 +1,38 @@
/****************************************************************************
**
-** Copyright (C) 2015 The Qt Company Ltd.
-** Contact: http://www.qt.io/licensing/
+** Copyright (C) 2016 The Qt Company Ltd.
+** Copyright (C) 2016 Intel Corporation.
+** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
-** $QT_BEGIN_LICENSE:LGPL21$
+** $QT_BEGIN_LICENSE:LGPL$
** 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.
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://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.
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.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.
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
@@ -55,6 +62,7 @@ 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, 6)
#include <QtCore/qhash.h>
#endif
@@ -305,7 +313,7 @@ public:
inline T &operator*() const { return *data(); }
inline T *operator->() const { return data(); }
- QSharedPointer() : value(Q_NULLPTR), d(Q_NULLPTR) { }
+ QSharedPointer() Q_DECL_NOTHROW : value(Q_NULLPTR), d(Q_NULLPTR) {}
~QSharedPointer() { deref(); }
inline explicit QSharedPointer(T *ptr) : value(ptr) // noexcept
@@ -315,22 +323,22 @@ public:
inline QSharedPointer(T *ptr, Deleter deleter) : value(ptr) // throws
{ internalConstruct(ptr, deleter); }
- inline QSharedPointer(const QSharedPointer &other) : value(other.value), d(other.d)
+ QSharedPointer(const QSharedPointer &other) Q_DECL_NOTHROW : value(other.value), d(other.d)
{ if (d) ref(); }
- inline QSharedPointer &operator=(const QSharedPointer &other)
+ QSharedPointer &operator=(const QSharedPointer &other) Q_DECL_NOTHROW
{
QSharedPointer copy(other);
swap(copy);
return *this;
}
#ifdef Q_COMPILER_RVALUE_REFS
- inline QSharedPointer(QSharedPointer &&other)
+ QSharedPointer(QSharedPointer &&other) Q_DECL_NOTHROW
: value(other.value), d(other.d)
{
other.d = Q_NULLPTR;
other.value = Q_NULLPTR;
}
- inline QSharedPointer &operator=(QSharedPointer &&other)
+ QSharedPointer &operator=(QSharedPointer &&other) Q_DECL_NOTHROW
{
QSharedPointer moved(std::move(other));
swap(moved);
@@ -596,7 +604,7 @@ public:
inline bool operator !() const { return isNull(); }
inline T *data() const { return d == Q_NULLPTR || d->strongref.load() == 0 ? Q_NULLPTR : value; }
- inline QWeakPointer() : d(Q_NULLPTR), value(Q_NULLPTR) { }
+ inline QWeakPointer() Q_DECL_NOTHROW : d(Q_NULLPTR), value(Q_NULLPTR) { }
inline ~QWeakPointer() { if (d && !d->weakref.deref()) delete d; }
#ifndef QT_NO_QOBJECT
@@ -614,15 +622,26 @@ public:
{ return *this = QWeakPointer(ptr); }
#endif
- inline QWeakPointer(const QWeakPointer &o) : d(o.d), value(o.value)
+ QWeakPointer(const QWeakPointer &other) Q_DECL_NOTHROW : d(other.d), value(other.value)
{ if (d) d->weakref.ref(); }
- inline QWeakPointer &operator=(const QWeakPointer &o)
+#ifdef Q_COMPILER_RVALUE_REFS
+ QWeakPointer(QWeakPointer &&other) Q_DECL_NOTHROW
+ : d(other.d), value(other.value)
{
- internalSet(o.d, o.value);
+ other.d = Q_NULLPTR;
+ other.value = Q_NULLPTR;
+ }
+ QWeakPointer &operator=(QWeakPointer &&other) Q_DECL_NOTHROW
+ { QWeakPointer moved(std::move(other)); swap(moved); return *this; }
+#endif
+ QWeakPointer &operator=(const QWeakPointer &other) Q_DECL_NOTHROW
+ {
+ QWeakPointer copy(other);
+ swap(copy);
return *this;
}
- inline void swap(QWeakPointer &other)
+ void swap(QWeakPointer &other) Q_DECL_NOTHROW
{
qSwap(this->d, other.d);
qSwap(this->value, other.value);
@@ -858,6 +877,16 @@ 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>
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 15:41:39 +0000