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- /* 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 */
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