Chris@87: 
Chris@87: /* Class object interface */
Chris@87: 
Chris@87: /* Revealing some structures (not for general use) */
Chris@87: 
Chris@87: #ifndef Py_CLASSOBJECT_H
Chris@87: #define Py_CLASSOBJECT_H
Chris@87: #ifdef __cplusplus
Chris@87: extern "C" {
Chris@87: #endif
Chris@87: 
Chris@87: typedef struct {
Chris@87:     PyObject_HEAD
Chris@87:     PyObject	*cl_bases;	/* A tuple of class objects */
Chris@87:     PyObject	*cl_dict;	/* A dictionary */
Chris@87:     PyObject	*cl_name;	/* A string */
Chris@87:     /* The following three are functions or NULL */
Chris@87:     PyObject	*cl_getattr;
Chris@87:     PyObject	*cl_setattr;
Chris@87:     PyObject	*cl_delattr;
Chris@87:     PyObject    *cl_weakreflist; /* List of weak references */
Chris@87: } PyClassObject;
Chris@87: 
Chris@87: typedef struct {
Chris@87:     PyObject_HEAD
Chris@87:     PyClassObject *in_class;	/* The class object */
Chris@87:     PyObject	  *in_dict;	/* A dictionary */
Chris@87:     PyObject	  *in_weakreflist; /* List of weak references */
Chris@87: } PyInstanceObject;
Chris@87: 
Chris@87: typedef struct {
Chris@87:     PyObject_HEAD
Chris@87:     PyObject *im_func;   /* The callable object implementing the method */
Chris@87:     PyObject *im_self;   /* The instance it is bound to, or NULL */
Chris@87:     PyObject *im_class;  /* The class that asked for the method */
Chris@87:     PyObject *im_weakreflist; /* List of weak references */
Chris@87: } PyMethodObject;
Chris@87: 
Chris@87: PyAPI_DATA(PyTypeObject) PyClass_Type, PyInstance_Type, PyMethod_Type;
Chris@87: 
Chris@87: #define PyClass_Check(op) ((op)->ob_type == &PyClass_Type)
Chris@87: #define PyInstance_Check(op) ((op)->ob_type == &PyInstance_Type)
Chris@87: #define PyMethod_Check(op) ((op)->ob_type == &PyMethod_Type)
Chris@87: 
Chris@87: PyAPI_FUNC(PyObject *) PyClass_New(PyObject *, PyObject *, PyObject *);
Chris@87: PyAPI_FUNC(PyObject *) PyInstance_New(PyObject *, PyObject *,
Chris@87:                                             PyObject *);
Chris@87: PyAPI_FUNC(PyObject *) PyInstance_NewRaw(PyObject *, PyObject *);
Chris@87: PyAPI_FUNC(PyObject *) PyMethod_New(PyObject *, PyObject *, PyObject *);
Chris@87: 
Chris@87: PyAPI_FUNC(PyObject *) PyMethod_Function(PyObject *);
Chris@87: PyAPI_FUNC(PyObject *) PyMethod_Self(PyObject *);
Chris@87: PyAPI_FUNC(PyObject *) PyMethod_Class(PyObject *);
Chris@87: 
Chris@87: /* Look up attribute with name (a string) on instance object pinst, using
Chris@87:  * only the instance and base class dicts.  If a descriptor is found in
Chris@87:  * a class dict, the descriptor is returned without calling it.
Chris@87:  * Returns NULL if nothing found, else a borrowed reference to the
Chris@87:  * value associated with name in the dict in which name was found.
Chris@87:  * The point of this routine is that it never calls arbitrary Python
Chris@87:  * code, so is always "safe":  all it does is dict lookups.  The function
Chris@87:  * can't fail, never sets an exception, and NULL is not an error (it just
Chris@87:  * means "not found").
Chris@87:  */
Chris@87: PyAPI_FUNC(PyObject *) _PyInstance_Lookup(PyObject *pinst, PyObject *name);
Chris@87: 
Chris@87: /* Macros for direct access to these values. Type checks are *not*
Chris@87:    done, so use with care. */
Chris@87: #define PyMethod_GET_FUNCTION(meth) \
Chris@87:         (((PyMethodObject *)meth) -> im_func)
Chris@87: #define PyMethod_GET_SELF(meth) \
Chris@87: 	(((PyMethodObject *)meth) -> im_self)
Chris@87: #define PyMethod_GET_CLASS(meth) \
Chris@87: 	(((PyMethodObject *)meth) -> im_class)
Chris@87: 
Chris@87: PyAPI_FUNC(int) PyClass_IsSubclass(PyObject *, PyObject *);
Chris@87: 
Chris@87: PyAPI_FUNC(int) PyMethod_ClearFreeList(void);
Chris@87: 
Chris@87: #ifdef __cplusplus
Chris@87: }
Chris@87: #endif
Chris@87: #endif /* !Py_CLASSOBJECT_H */