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| Current File : //usr/include/python2.7/classobject.h |
/* 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;
PyObject *cl_weakreflist; /* List of weak references */
} 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 *);
PyAPI_FUNC(int) PyMethod_ClearFreeList(void);
#ifdef __cplusplus
}
#endif
#endif /* !Py_CLASSOBJECT_H */