mirror of
https://github.com/python/cpython.git
synced 2025-11-04 03:44:55 +00:00
81 lines
2.8 KiB
C
81 lines
2.8 KiB
C
|
|
/* Class object interface */
|
|
|
|
/* Revealing some structures (not for general use) */
|
|
|
|
#ifndef Py_CLASSOBJECT_H
|
|
#define Py_CLASSOBJECT_H
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef struct {
|
|
PyObject_HEAD
|
|
PyObject *cl_bases; /* A tuple of class objects */
|
|
PyObject *cl_dict; /* A dictionary */
|
|
PyObject *cl_name; /* A string */
|
|
/* The following three are functions or NULL */
|
|
PyObject *cl_getattr;
|
|
PyObject *cl_setattr;
|
|
PyObject *cl_delattr;
|
|
} PyClassObject;
|
|
|
|
typedef struct {
|
|
PyObject_HEAD
|
|
PyClassObject *in_class; /* The class object */
|
|
PyObject *in_dict; /* A dictionary */
|
|
PyObject *in_weakreflist; /* List of weak references */
|
|
} PyInstanceObject;
|
|
|
|
typedef struct {
|
|
PyObject_HEAD
|
|
PyObject *im_func; /* The callable object implementing the method */
|
|
PyObject *im_self; /* The instance it is bound to, or NULL */
|
|
PyObject *im_class; /* The class that asked for the method */
|
|
PyObject *im_weakreflist; /* List of weak references */
|
|
} PyMethodObject;
|
|
|
|
PyAPI_DATA(PyTypeObject) PyClass_Type, PyInstance_Type, PyMethod_Type;
|
|
|
|
#define PyClass_Check(op) ((op)->ob_type == &PyClass_Type)
|
|
#define PyInstance_Check(op) ((op)->ob_type == &PyInstance_Type)
|
|
#define PyMethod_Check(op) ((op)->ob_type == &PyMethod_Type)
|
|
|
|
PyAPI_FUNC(PyObject *) PyClass_New(PyObject *, PyObject *, PyObject *);
|
|
PyAPI_FUNC(PyObject *) PyInstance_New(PyObject *, PyObject *,
|
|
PyObject *);
|
|
PyAPI_FUNC(PyObject *) PyInstance_NewRaw(PyObject *, PyObject *);
|
|
PyAPI_FUNC(PyObject *) PyMethod_New(PyObject *, PyObject *, PyObject *);
|
|
|
|
PyAPI_FUNC(PyObject *) PyMethod_Function(PyObject *);
|
|
PyAPI_FUNC(PyObject *) PyMethod_Self(PyObject *);
|
|
PyAPI_FUNC(PyObject *) PyMethod_Class(PyObject *);
|
|
|
|
/* Look up attribute with name (a string) on instance object pinst, using
|
|
* only the instance and base class dicts. If a descriptor is found in
|
|
* a class dict, the descriptor is returned without calling it.
|
|
* Returns NULL if nothing found, else a borrowed reference to the
|
|
* value associated with name in the dict in which name was found.
|
|
* The point of this routine is that it never calls arbitrary Python
|
|
* code, so is always "safe": all it does is dict lookups. The function
|
|
* can't fail, never sets an exception, and NULL is not an error (it just
|
|
* means "not found").
|
|
*/
|
|
PyAPI_FUNC(PyObject *) _PyInstance_Lookup(PyObject *pinst, PyObject *name);
|
|
|
|
/* Macros for direct access to these values. Type checks are *not*
|
|
done, so use with care. */
|
|
#define PyMethod_GET_FUNCTION(meth) \
|
|
(((PyMethodObject *)meth) -> im_func)
|
|
#define PyMethod_GET_SELF(meth) \
|
|
(((PyMethodObject *)meth) -> im_self)
|
|
#define PyMethod_GET_CLASS(meth) \
|
|
(((PyMethodObject *)meth) -> im_class)
|
|
|
|
PyAPI_FUNC(int) PyClass_IsSubclass(PyObject *, PyObject *);
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif /* !Py_CLASSOBJECT_H */
|