1 files changed, 66 insertions, 0 deletions
diff --git a/contrib/tools/python3/Include/cpython/methodobject.h b/contrib/tools/python3/Include/cpython/methodobject.h
new file mode 100644
index 00000000000..d541e154948
--- /dev/null
+++ b/contrib/tools/python3/Include/cpython/methodobject.h
@@ -0,0 +1,66 @@
+#ifndef Py_CPYTHON_METHODOBJECT_H
+#  error "this header file must not be included directly"
+#endif
+
+// PyCFunctionObject structure
+
+typedef struct {
+    PyObject_HEAD
+    PyMethodDef *m_ml; /* Description of the C function to call */
+    PyObject    *m_self; /* Passed as 'self' arg to the C func, can be NULL */
+    PyObject    *m_module; /* The __module__ attribute, can be anything */
+    PyObject    *m_weakreflist; /* List of weak references */
+    vectorcallfunc vectorcall;
+} PyCFunctionObject;
+
+#define _PyCFunctionObject_CAST(func) \
+    (assert(PyCFunction_Check(func)), \
+     _Py_CAST(PyCFunctionObject*, (func)))
+
+
+// PyCMethodObject structure
+
+typedef struct {
+    PyCFunctionObject func;
+    PyTypeObject *mm_class; /* Class that defines this method */
+} PyCMethodObject;
+
+#define _PyCMethodObject_CAST(func) \
+    (assert(PyCMethod_Check(func)), \
+     _Py_CAST(PyCMethodObject*, (func)))
+
+PyAPI_DATA(PyTypeObject) PyCMethod_Type;
+
+#define PyCMethod_CheckExact(op) Py_IS_TYPE((op), &PyCMethod_Type)
+#define PyCMethod_Check(op) PyObject_TypeCheck((op), &PyCMethod_Type)
+
+
+/* Static inline functions for direct access to these values.
+   Type checks are *not* done, so use with care. */
+static inline PyCFunction PyCFunction_GET_FUNCTION(PyObject *func) {
+    return _PyCFunctionObject_CAST(func)->m_ml->ml_meth;
+}
+#define PyCFunction_GET_FUNCTION(func) PyCFunction_GET_FUNCTION(_PyObject_CAST(func))
+
+static inline PyObject* PyCFunction_GET_SELF(PyObject *func_obj) {
+    PyCFunctionObject *func = _PyCFunctionObject_CAST(func_obj);
+    if (func->m_ml->ml_flags & METH_STATIC) {
+        return _Py_NULL;
+    }
+    return func->m_self;
+}
+#define PyCFunction_GET_SELF(func) PyCFunction_GET_SELF(_PyObject_CAST(func))
+
+static inline int PyCFunction_GET_FLAGS(PyObject *func) {
+    return _PyCFunctionObject_CAST(func)->m_ml->ml_flags;
+}
+#define PyCFunction_GET_FLAGS(func) PyCFunction_GET_FLAGS(_PyObject_CAST(func))
+
+static inline PyTypeObject* PyCFunction_GET_CLASS(PyObject *func_obj) {
+    PyCFunctionObject *func = _PyCFunctionObject_CAST(func_obj);
+    if (func->m_ml->ml_flags & METH_METHOD) {
+        return _PyCMethodObject_CAST(func)->mm_class;
+    }
+    return _Py_NULL;
+}
+#define PyCFunction_GET_CLASS(func) PyCFunction_GET_CLASS(_PyObject_CAST(func))