1 files changed, 93 insertions, 0 deletions
diff --git a/sources/shiboken6/libshiboken/bindingmanager.h b/sources/shiboken6/libshiboken/bindingmanager.h
new file mode 100644
index 000000000..54c4e486a
--- /dev/null
+++ b/sources/shiboken6/libshiboken/bindingmanager.h
@@ -0,0 +1,93 @@
+// 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 "shibokenmacros.h"
+
+#include <set>
+#include <utility>
+
+struct SbkObject;
+
+namespace Shiboken
+{
+
+namespace Module {
+struct TypeInitStruct;
+}
+
+struct DestructorEntry;
+
+using ObjectVisitor = void (*)(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(Module::TypeInitStruct *parent, Module::TypeInitStruct *child);
+    /// Try to find the correct type of cptr via type discovery knowing that it's at least
+    /// of type \p type. If a derived class is found, it returns a cptr cast to the type
+    /// (which may be different in case of  multiple inheritance.
+    /// \param cptr a pointer to the instance of type \p type
+    /// \param type type of cptr
+    using TypeCptrPair = std::pair<PyTypeObject *, void *>;
+    TypeCptrPair findDerivedType(void *cptr, PyTypeObject *type) const;
+
+    /**
+     * 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.
+     */
+    [[deprecated]] 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);
+
+    bool dumpTypeGraph(const char *fileName) const;
+    void dumpWrapperMap();
+
+private:
+    ~BindingManager();
+    BindingManager();
+
+    struct BindingManagerPrivate;
+    BindingManagerPrivate *m_d;
+};
+
+LIBSHIBOKEN_API bool callInheritedInit(PyObject *self, PyObject *args, PyObject *kwds,
+                                       const char *fullName);
+
+} // namespace Shiboken
+
+#endif // BINDINGMANAGER_H
+