1#ifndef Py_CPYTHON_METHODOBJECT_H
2# error "this header file must not be included directly"
3#endif
4
5// PyCFunctionObject structure
6
7typedef struct {
8 PyObject_HEAD
9 PyMethodDef *m_ml; /* Description of the C function to call */
10 PyObject *m_self; /* Passed as 'self' arg to the C func, can be NULL */
11 PyObject *m_module; /* The __module__ attribute, can be anything */
12 PyObject *m_weakreflist; /* List of weak references */
13 vectorcallfunc vectorcall;
14} PyCFunctionObject;
15
16#define _PyCFunctionObject_CAST(func) \
17 (assert(PyCFunction_Check(func)), \
18 _Py_CAST(PyCFunctionObject*, (func)))
19
20
21// PyCMethodObject structure
22
23typedef struct {
24 PyCFunctionObject func;
25 PyTypeObject *mm_class; /* Class that defines this method */
26} PyCMethodObject;
27
28#define _PyCMethodObject_CAST(func) \
29 (assert(PyCMethod_Check(func)), \
30 _Py_CAST(PyCMethodObject*, (func)))
31
32PyAPI_DATA(PyTypeObject) PyCMethod_Type;
33
34#define PyCMethod_CheckExact(op) Py_IS_TYPE((op), &PyCMethod_Type)
35#define PyCMethod_Check(op) PyObject_TypeCheck((op), &PyCMethod_Type)
36
37
38/* Static inline functions for direct access to these values.
39 Type checks are *not* done, so use with care. */
40static inline PyCFunction PyCFunction_GET_FUNCTION(PyObject *func) {
41 return _PyCFunctionObject_CAST(func)->m_ml->ml_meth;
42}
43#define PyCFunction_GET_FUNCTION(func) PyCFunction_GET_FUNCTION(_PyObject_CAST(func))
44
45static inline PyObject* PyCFunction_GET_SELF(PyObject *func_obj) {
46 PyCFunctionObject *func = _PyCFunctionObject_CAST(func_obj);
47 if (func->m_ml->ml_flags & METH_STATIC) {
48 return _Py_NULL;
49 }
50 return func->m_self;
51}
52#define PyCFunction_GET_SELF(func) PyCFunction_GET_SELF(_PyObject_CAST(func))
53
54static inline int PyCFunction_GET_FLAGS(PyObject *func) {
55 return _PyCFunctionObject_CAST(func)->m_ml->ml_flags;
56}
57#define PyCFunction_GET_FLAGS(func) PyCFunction_GET_FLAGS(_PyObject_CAST(func))
58
59static inline PyTypeObject* PyCFunction_GET_CLASS(PyObject *func_obj) {
60 PyCFunctionObject *func = _PyCFunctionObject_CAST(func_obj);
61 if (func->m_ml->ml_flags & METH_METHOD) {
62 return _PyCMethodObject_CAST(func)->mm_class;
63 }
64 return _Py_NULL;
65}
66#define PyCFunction_GET_CLASS(func) PyCFunction_GET_CLASS(_PyObject_CAST(func))
67

source code of include/python3.12/cpython/methodobject.h