1 /* Descriptors */

     2 #ifndef Py_DESCROBJECT_H

     3 #define Py_DESCROBJECT_H

     4 #ifdef __cplusplus

     5 extern "C" {

     6 #endif

     7 

     8 typedef PyObject *(*getter)(PyObject *, void *);

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

    10 

    11 typedef struct PyGetSetDef {

    12 	char *name;

    13 	getter get;

    14 	setter set;

    15 	char *doc;

    16 	void *closure;

    17 } PyGetSetDef;

    18 

    19 typedef PyObject *(*wrapperfunc)(PyObject *self, PyObject *args,

    20 				 void *wrapped);

    21 

    22 typedef PyObject *(*wrapperfunc_kwds)(PyObject *self, PyObject *args,

    23 				      void *wrapped, PyObject *kwds);

    24 

    25 struct wrapperbase {

    26 	char *name;

    27 	int offset;

    28 	void *function;

    29 	wrapperfunc wrapper;

    30 	char *doc;

    31 	int flags;

    32 	PyObject *name_strobj;

    33 };

    34 

    35 /* Flags for above struct */

    36 #define PyWrapperFlag_KEYWORDS 1 /* wrapper function takes keyword args */

    37 

    38 /* Various kinds of descriptor objects */

    39 

    40 #define PyDescr_COMMON \

    41 	PyObject_HEAD \

    42 	PyTypeObject *d_type; \

    43 	PyObject *d_name

    44 

    45 typedef struct {

    46 	PyDescr_COMMON;

    47 } PyDescrObject;

    48 

    49 typedef struct {

    50 	PyDescr_COMMON;

    51 	PyMethodDef *d_method;

    52 } PyMethodDescrObject;

    53 

    54 typedef struct {

    55 	PyDescr_COMMON;

    56 	struct PyMemberDef *d_member;

    57 } PyMemberDescrObject;

    58 

    59 typedef struct {

    60 	PyDescr_COMMON;

    61 	PyGetSetDef *d_getset;

    62 } PyGetSetDescrObject;

    63 

    64 typedef struct {

    65 	PyDescr_COMMON;

    66 	struct wrapperbase *d_base;

    67 	void *d_wrapped; /* This can be any function pointer */

    68 } PyWrapperDescrObject;

    69 

    70 PyAPI_DATA(PyTypeObject) PyWrapperDescr_Type;

    71 

    72 PyAPI_FUNC(PyObject *) PyDescr_NewMethod(PyTypeObject *, PyMethodDef *);

    73 PyAPI_FUNC(PyObject *) PyDescr_NewClassMethod(PyTypeObject *, PyMethodDef *);

    74 PyAPI_FUNC(PyObject *) PyDescr_NewMember(PyTypeObject *,

    75 					       struct PyMemberDef *);

    76 PyAPI_FUNC(PyObject *) PyDescr_NewGetSet(PyTypeObject *,

    77 					       struct PyGetSetDef *);

    78 PyAPI_FUNC(PyObject *) PyDescr_NewWrapper(PyTypeObject *,

    79 						struct wrapperbase *, void *);

    80 #define PyDescr_IsData(d) (Py_TYPE(d)->tp_descr_set != NULL)

    81 

    82 PyAPI_FUNC(PyObject *) PyDictProxy_New(PyObject *);

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

    84 

    85 

    86 PyAPI_DATA(PyTypeObject) PyProperty_Type;

    87 #ifdef __cplusplus

    88 }

    89 #endif

    90 #endif /* !Py_DESCROBJECT_H */

    91