cpython/Include/classobject.h

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/* Class object interface */
/* Revealing some structures (not for general use) */
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#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 defined the method */
PyObject *im_weakreflist; /* List of weak references */
} PyMethodObject;
extern DL_IMPORT(PyTypeObject) PyClass_Type, PyInstance_Type, PyMethod_Type;
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#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)
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extern DL_IMPORT(PyObject *) PyClass_New(PyObject *, PyObject *, PyObject *);
extern DL_IMPORT(PyObject *) PyInstance_New(PyObject *, PyObject *,
PyObject *);
extern DL_IMPORT(PyObject *) PyInstance_NewRaw(PyObject *, PyObject *);
extern DL_IMPORT(PyObject *) PyMethod_New(PyObject *, PyObject *, PyObject *);
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/* 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)
extern DL_IMPORT(int) PyClass_IsSubclass(PyObject *, PyObject *);
#ifdef __cplusplus
}
#endif
#endif /* !Py_CLASSOBJECT_H */