1 
2 /* Method object interface */
3 
4 #ifndef Py_METHODOBJECT_H
5 #define Py_METHODOBJECT_H
6 #ifdef __cplusplus
7 extern "C" {
8 #endif
9 
10 /* This is about the type 'builtin_function_or_method',
11    not Python methods in user-defined classes.  See classobject.h
12    for the latter. */
13 
14 PyAPI_DATA(PyTypeObject) PyCFunction_Type;
15 
16 #define PyCFunction_CheckExact(op) Py_IS_TYPE(op, &PyCFunction_Type)
17 #define PyCFunction_Check(op) PyObject_TypeCheck(op, &PyCFunction_Type)
18 
19 typedef PyObject *(*PyCFunction)(PyObject *, PyObject *);
20 typedef PyObject *(*_PyCFunctionFast) (PyObject *, PyObject *const *, Py_ssize_t);
21 typedef PyObject *(*PyCFunctionWithKeywords)(PyObject *, PyObject *,
22                                              PyObject *);
23 typedef PyObject *(*_PyCFunctionFastWithKeywords) (PyObject *,
24                                                    PyObject *const *, Py_ssize_t,
25                                                    PyObject *);
26 typedef PyObject *(*PyCMethod)(PyObject *, PyTypeObject *, PyObject *const *,
27                                size_t, PyObject *);
28 
29 PyAPI_FUNC(PyCFunction) PyCFunction_GetFunction(PyObject *);
30 PyAPI_FUNC(PyObject *) PyCFunction_GetSelf(PyObject *);
31 PyAPI_FUNC(int) PyCFunction_GetFlags(PyObject *);
32 
33 Py_DEPRECATED(3.9) PyAPI_FUNC(PyObject *) PyCFunction_Call(PyObject *, PyObject *, PyObject *);
34 
35 struct PyMethodDef {
36     const char  *ml_name;   /* The name of the built-in function/method */
37     PyCFunction ml_meth;    /* The C function that implements it */
38     int         ml_flags;   /* Combination of METH_xxx flags, which mostly
39                                describe the args expected by the C func */
40     const char  *ml_doc;    /* The __doc__ attribute, or NULL */
41 };
42 typedef struct PyMethodDef PyMethodDef;
43 
44 #define PyCFunction_New(ML, SELF) PyCFunction_NewEx((ML), (SELF), NULL)
45 PyAPI_FUNC(PyObject *) PyCFunction_NewEx(PyMethodDef *, PyObject *,
46                                          PyObject *);
47 
48 #if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03090000
49 #define PyCFunction_NewEx(ML, SELF, MOD) PyCMethod_New((ML), (SELF), (MOD), NULL)
50 PyAPI_FUNC(PyObject *) PyCMethod_New(PyMethodDef *, PyObject *,
51                                      PyObject *, PyTypeObject *);
52 #endif
53 
54 
55 /* Flag passed to newmethodobject */
56 /* #define METH_OLDARGS  0x0000   -- unsupported now */
57 #define METH_VARARGS  0x0001
58 #define METH_KEYWORDS 0x0002
59 /* METH_NOARGS and METH_O must not be combined with the flags above. */
60 #define METH_NOARGS   0x0004
61 #define METH_O        0x0008
62 
63 /* METH_CLASS and METH_STATIC are a little different; these control
64    the construction of methods for a class.  These cannot be used for
65    functions in modules. */
66 #define METH_CLASS    0x0010
67 #define METH_STATIC   0x0020
68 
69 /* METH_COEXIST allows a method to be entered even though a slot has
70    already filled the entry.  When defined, the flag allows a separate
71    method, "__contains__" for example, to coexist with a defined
72    slot like sq_contains. */
73 
74 #define METH_COEXIST   0x0040
75 
76 #ifndef Py_LIMITED_API
77 #define METH_FASTCALL  0x0080
78 #endif
79 
80 /* This bit is preserved for Stackless Python */
81 #ifdef STACKLESS
82 #define METH_STACKLESS 0x0100
83 #else
84 #define METH_STACKLESS 0x0000
85 #endif
86 
87 /* METH_METHOD means the function stores an
88  * additional reference to the class that defines it;
89  * both self and class are passed to it.
90  * It uses PyCMethodObject instead of PyCFunctionObject.
91  * May not be combined with METH_NOARGS, METH_O, METH_CLASS or METH_STATIC.
92  */
93 
94 #if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03090000
95 #define METH_METHOD 0x0200
96 #endif
97 
98 
99 #ifndef Py_LIMITED_API
100 
101 #define Py_CPYTHON_METHODOBJECT_H
102 #include  "cpython/methodobject.h"
103 #undef Py_CPYTHON_METHODOBJECT_H
104 
105 #endif
106 
107 #ifdef __cplusplus
108 }
109 #endif
110 #endif /* !Py_METHODOBJECT_H */
111