/* Descriptors */
#ifndef Py_DESCROBJECT_H
#define Py_DESCROBJECT_H
#ifdef __cplusplus
extern "C" {
#endif

typedef PyObject *(*getter)(PyObject *, void *);
typedef int (*setter)(PyObject *, PyObject *, void *);

typedef struct PyGetSetDef {
 const char *name;
 getter get;
 setter set;
 const char *doc;
 void *closure;
} PyGetSetDef;

#ifndef Py_LIMITED_API
typedef PyObject *(*wrapperfunc)(PyObject *self, PyObject *args,
 void *wrapped);

typedef PyObject *(*wrapperfunc_kwds)(PyObject *self, PyObject *args,
 void *wrapped, PyObject *kwds);

struct wrapperbase {
 const char *name;
 int offset;
 void *function;
 wrapperfunc wrapper;
 const char *doc;
 int flags;
 PyObject *name_strobj;
};

/* Flags for above struct */
#define PyWrapperFlag_KEYWORDS 1 /* wrapper function takes keyword args */

/* Various kinds of descriptor objects */

typedef struct {
 PyObject_HEAD
 PyTypeObject *d_type;
 PyObject *d_name;
 PyObject *d_qualname;
} PyDescrObject;

#define PyDescr_COMMON PyDescrObject d_common

#define PyDescr_TYPE(x) (((PyDescrObject *)(x))->d_type)
#define PyDescr_NAME(x) (((PyDescrObject *)(x))->d_name)

typedef struct {
 PyDescr_COMMON;
 PyMethodDef *d_method;
 vectorcallfunc vectorcall;
} PyMethodDescrObject;

typedef struct {
 PyDescr_COMMON;
 struct PyMemberDef *d_member;
} PyMemberDescrObject;

typedef struct {
 PyDescr_COMMON;
 PyGetSetDef *d_getset;
} PyGetSetDescrObject;

typedef struct {
 PyDescr_COMMON;
 struct wrapperbase *d_base;
 void *d_wrapped; /* This can be any function pointer */
} PyWrapperDescrObject;
#endif /* Py_LIMITED_API */

PyAPI_DATA(PyTypeObject) PyClassMethodDescr_Type;
PyAPI_DATA(PyTypeObject) PyGetSetDescr_Type;
PyAPI_DATA(PyTypeObject) PyMemberDescr_Type;
PyAPI_DATA(PyTypeObject) PyMethodDescr_Type;
PyAPI_DATA(PyTypeObject) PyWrapperDescr_Type;
PyAPI_DATA(PyTypeObject) PyDictProxy_Type;
#ifndef Py_LIMITED_API
PyAPI_DATA(PyTypeObject) _PyMethodWrapper_Type;
#endif /* Py_LIMITED_API */

PyAPI_FUNC(PyObject *) PyDescr_NewMethod(PyTypeObject *, PyMethodDef *);
PyAPI_FUNC(PyObject *) PyDescr_NewClassMethod(PyTypeObject *, PyMethodDef *);
struct PyMemberDef; /* forward declaration for following prototype */
PyAPI_FUNC(PyObject *) PyDescr_NewMember(PyTypeObject *,
 struct PyMemberDef *);
PyAPI_FUNC(PyObject *) PyDescr_NewGetSet(PyTypeObject *,
 struct PyGetSetDef *);
#ifndef Py_LIMITED_API
PyAPI_FUNC(PyObject *) PyDescr_NewWrapper(PyTypeObject *,
 struct wrapperbase *, void *);
#define PyDescr_IsData(d) (Py_TYPE(d)->tp_descr_set != NULL)
#endif

PyAPI_FUNC(PyObject *) PyDictProxy_New(PyObject *);
PyAPI_FUNC(PyObject *) PyWrapper_New(PyObject *, PyObject *);


PyAPI_DATA(PyTypeObject) PyProperty_Type;
#ifdef __cplusplus
}
#endif
#endif /* !Py_DESCROBJECT_H */