/**************************************************************************** ** ** Copyright (C) 2019 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the test suite of Qt for Python. ** ** $QT_BEGIN_LICENSE:GPL-EXCEPT$ ** 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 General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3 as published by the Free Software ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT ** 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-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef SMART_SHARED_PTR_H #define SMART_SHARED_PTR_H #include #include "libsmartmacros.h" struct SharedPtrBase { LIB_SMART_API static void logDefaultConstructor(const void *t); LIB_SMART_API static void logConstructor(const void *t, const void *pointee); LIB_SMART_API static void logCopyConstructor(const void *t, const void *refData); LIB_SMART_API static void logAssignment(const void *t, const void *refData); LIB_SMART_API static void logDestructor(const void *t, int remainingRefCount); }; template class SharedPtr : public SharedPtrBase { public: SharedPtr() { logDefaultConstructor(this); } SharedPtr(T *v) : mPtr(v) { logConstructor(this, v); } SharedPtr(const SharedPtr &other) : mPtr(other.mPtr) { logCopyConstructor(this, data()); } template SharedPtr(const SharedPtr &other) : mPtr(other.mPtr) { logCopyConstructor(this, data()); } SharedPtr& operator=(const SharedPtr& other) { mPtr = other.mPtr; return *this; } T *data() const { return mPtr.get(); } int useCount() const { return mPtr.use_count(); } void dummyMethod1() { } bool isNull() const { return mPtr.get() == nullptr; } T& operator*() const { // Crashes if smart pointer is empty (just like std::shared_ptr). return *mPtr; } T *operator->() const { return mPtr.get(); } bool operator!() const { return !mPtr; } ~SharedPtr() { if (mPtr.use_count() >= 1) logDestructor(this, mPtr.use_count() - 1); } std::shared_ptr mPtr; }; #endif // SMART_SHARED_PTR_H