2 /* Class object interface */
4 /* Revealing some structures (not for general use) */
6 #ifndef Py_CLASSOBJECT_H
7 #define Py_CLASSOBJECT_H
14 PyObject
*cl_bases
; /* A tuple of class objects */
15 PyObject
*cl_dict
; /* A dictionary */
16 PyObject
*cl_name
; /* A string */
17 /* The following three are functions or NULL */
21 PyObject
*cl_weakreflist
; /* List of weak references */
26 PyClassObject
*in_class
; /* The class object */
27 PyObject
*in_dict
; /* A dictionary */
28 PyObject
*in_weakreflist
; /* List of weak references */
33 PyObject
*im_func
; /* The callable object implementing the method */
34 PyObject
*im_self
; /* The instance it is bound to, or NULL */
35 PyObject
*im_class
; /* The class that asked for the method */
36 PyObject
*im_weakreflist
; /* List of weak references */
39 PyAPI_DATA(PyTypeObject
) PyClass_Type
, PyInstance_Type
, PyMethod_Type
;
41 #define PyClass_Check(op) ((op)->ob_type == &PyClass_Type)
42 #define PyInstance_Check(op) ((op)->ob_type == &PyInstance_Type)
43 #define PyMethod_Check(op) ((op)->ob_type == &PyMethod_Type)
45 PyAPI_FUNC(PyObject
*) PyClass_New(PyObject
*, PyObject
*, PyObject
*);
46 PyAPI_FUNC(PyObject
*) PyInstance_New(PyObject
*, PyObject
*,
48 PyAPI_FUNC(PyObject
*) PyInstance_NewRaw(PyObject
*, PyObject
*);
49 PyAPI_FUNC(PyObject
*) PyMethod_New(PyObject
*, PyObject
*, PyObject
*);
51 PyAPI_FUNC(PyObject
*) PyMethod_Function(PyObject
*);
52 PyAPI_FUNC(PyObject
*) PyMethod_Self(PyObject
*);
53 PyAPI_FUNC(PyObject
*) PyMethod_Class(PyObject
*);
55 /* Look up attribute with name (a string) on instance object pinst, using
56 * only the instance and base class dicts. If a descriptor is found in
57 * a class dict, the descriptor is returned without calling it.
58 * Returns NULL if nothing found, else a borrowed reference to the
59 * value associated with name in the dict in which name was found.
60 * The point of this routine is that it never calls arbitrary Python
61 * code, so is always "safe": all it does is dict lookups. The function
62 * can't fail, never sets an exception, and NULL is not an error (it just
65 PyAPI_FUNC(PyObject
*) _PyInstance_Lookup(PyObject
*pinst
, PyObject
*name
);
67 /* Macros for direct access to these values. Type checks are *not*
68 done, so use with care. */
69 #define PyMethod_GET_FUNCTION(meth) \
70 (((PyMethodObject *)meth) -> im_func)
71 #define PyMethod_GET_SELF(meth) \
72 (((PyMethodObject *)meth) -> im_self)
73 #define PyMethod_GET_CLASS(meth) \
74 (((PyMethodObject *)meth) -> im_class)
76 PyAPI_FUNC(int) PyClass_IsSubclass(PyObject
*, PyObject
*);
78 PyAPI_FUNC(int) PyMethod_ClearFreeList(void);
83 #endif /* !Py_CLASSOBJECT_H */