diff options
Diffstat (limited to 'sources/shiboken6/libshiboken/autodecref.h')
| -rw-r--r-- | sources/shiboken6/libshiboken/autodecref.h | 99 |
1 files changed, 35 insertions, 64 deletions
diff --git a/sources/shiboken6/libshiboken/autodecref.h b/sources/shiboken6/libshiboken/autodecref.h index 45a42d6a5..62a8584e1 100644 --- a/sources/shiboken6/libshiboken/autodecref.h +++ b/sources/shiboken6/libshiboken/autodecref.h @@ -1,47 +1,12 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of Qt for Python. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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 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 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. -** -** 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. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #ifndef AUTODECREF_H #define AUTODECREF_H #include "sbkpython.h" -#include "basewrapper.h" + +#include <utility> struct SbkObject; namespace Shiboken @@ -50,29 +15,27 @@ namespace Shiboken /** * AutoDecRef holds a PyObject pointer and decrement its reference counter when destroyed. */ -struct LIBSHIBOKEN_API AutoDecRef +struct AutoDecRef { public: AutoDecRef(const AutoDecRef &) = delete; - AutoDecRef(AutoDecRef &&) = delete; + AutoDecRef(AutoDecRef &&o) noexcept : m_pyObj{std::exchange(o.m_pyObj, nullptr)} {} AutoDecRef &operator=(const AutoDecRef &) = delete; - AutoDecRef &operator=(AutoDecRef &&) = delete; + AutoDecRef &operator=(AutoDecRef &&o) noexcept + { + m_pyObj = std::exchange(o.m_pyObj, nullptr); + return *this; + } - /** - * AutoDecRef constructor. - * \param pyobj A borrowed reference to a Python object - */ - explicit AutoDecRef(PyObject *pyObj) : m_pyObj(pyObj) {} - /** - * AutoDecRef constructor. - * \param pyobj A borrowed reference to a Python object - */ - explicit AutoDecRef(SbkObject *pyObj) : m_pyObj(reinterpret_cast<PyObject *>(pyObj)) {} - /** - * AutoDecref constructor. - * To be used later with reset(): - */ - AutoDecRef() : m_pyObj(nullptr) {} + /// AutoDecRef constructor. + /// \param pyobj A borrowed reference to a Python object + explicit AutoDecRef(PyObject *pyObj) noexcept : m_pyObj(pyObj) {} + /// AutoDecRef constructor. + /// \param pyobj A borrowed reference to a wrapped Python object + explicit AutoDecRef(SbkObject *pyObj) noexcept : m_pyObj(reinterpret_cast<PyObject *>(pyObj)) {} + /// AutoDecref default constructor. + /// To be used later with reset(): + AutoDecRef() noexcept = default; /// Decref the borrowed python reference ~AutoDecRef() @@ -80,18 +43,19 @@ public: Py_XDECREF(m_pyObj); } - inline bool isNull() const { return m_pyObj == nullptr; } + [[nodiscard]] bool isNull() const { return m_pyObj == nullptr; } /// Returns the pointer of the Python object being held. - inline PyObject *object() { return m_pyObj; } - inline operator PyObject *() { return m_pyObj; } + [[nodiscard]] PyObject *object() const { return m_pyObj; } + [[nodiscard]] operator PyObject *() const { return m_pyObj; } #ifndef Py_LIMITED_API - inline operator PyTupleObject *() { return reinterpret_cast<PyTupleObject *>(m_pyObj); } + [[deprecated]] inline operator PyTupleObject *() + { return reinterpret_cast<PyTupleObject *>(m_pyObj); } #endif inline operator bool() const { return m_pyObj != nullptr; } inline PyObject *operator->() { return m_pyObj; } template<typename T> - T cast() + [[deprecated]] T cast() { return reinterpret_cast<T>(m_pyObj); } @@ -106,11 +70,18 @@ public: m_pyObj = other; Py_XDECREF(_py_tmp); } + + PyObject *release() + { + PyObject *result = m_pyObj; + m_pyObj = nullptr; + return result; + } + private: - PyObject *m_pyObj; + PyObject *m_pyObj = nullptr; }; } // namespace Shiboken #endif // AUTODECREF_H - |