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// 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 BINDINGMANAGER_H
#define BINDINGMANAGER_H
#include "sbkpython.h"
#include <set>
#include "shibokenmacros.h"
struct SbkObject;
namespace Shiboken
{
struct DestructorEntry;
typedef void (*ObjectVisitor)(SbkObject *, void *);
class LIBSHIBOKEN_API BindingManager
{
public:
BindingManager(const BindingManager &) = delete;
BindingManager(BindingManager &&) = delete;
BindingManager &operator=(const BindingManager &) = delete;
BindingManager &operator=(BindingManager &&) = delete;
static BindingManager &instance();
bool hasWrapper(const void *cptr);
void registerWrapper(SbkObject *pyObj, void *cptr);
void releaseWrapper(SbkObject *wrapper);
void runDeletionInMainThread();
void addToDeletionInMainThread(const DestructorEntry &);
SbkObject *retrieveWrapper(const void *cptr);
PyObject *getOverride(const void *cptr, PyObject *nameCache[], const char *methodName);
void addClassInheritance(PyTypeObject *parent, PyTypeObject *child);
/**
* Try to find the correct type of *cptr knowing that it's at least of type \p type.
* In case of multiple inheritance this function may change the contents of cptr.
* \param cptr a pointer to a pointer to the instance of type \p type
* \param type type of *cptr
* \warning This function is slow, use it only as last resort.
*/
PyTypeObject *resolveType(void **cptr, PyTypeObject *type);
std::set<PyObject *> getAllPyObjects();
/**
* Calls the function \p visitor for each object registered on binding manager.
* \note As various C++ pointers can point to the same PyObject due to multiple inheritance
* a PyObject can be called more than one time for each PyObject.
* \param visitor function called for each object.
* \param data user data passed as second argument to the visitor function.
*/
void visitAllPyObjects(ObjectVisitor visitor, void *data);
private:
~BindingManager();
BindingManager();
struct BindingManagerPrivate;
BindingManagerPrivate *m_d;
};
} // namespace Shiboken
#endif // BINDINGMANAGER_H
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