Include/descrobject.h

   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) PyClassMethodDescr_Type;
  71 PyAPI_DATA(PyTypeObject) PyGetSetDescr_Type;
  72 PyAPI_DATA(PyTypeObject) PyMemberDescr_Type;
  73 PyAPI_DATA(PyTypeObject) PyMethodDescr_Type;
  74 PyAPI_DATA(PyTypeObject) PyWrapperDescr_Type;
  75 PyAPI_DATA(PyTypeObject) PyDictProxy_Type;
  76
  77 PyAPI_FUNC(PyObject *) PyDescr_NewMethod(PyTypeObject *, PyMethodDef *);
  78 PyAPI_FUNC(PyObject *) PyDescr_NewClassMethod(PyTypeObject *, PyMethodDef *);
  79 PyAPI_FUNC(PyObject *) PyDescr_NewMember(PyTypeObject *,
  80                                                struct PyMemberDef *);
  81 PyAPI_FUNC(PyObject *) PyDescr_NewGetSet(PyTypeObject *,
  82                                                struct PyGetSetDef *);
  83 PyAPI_FUNC(PyObject *) PyDescr_NewWrapper(PyTypeObject *,
  84                                                 struct wrapperbase *, void *);
  85 #define PyDescr_IsData(d) (Py_TYPE(d)->tp_descr_set != NULL)
  86
  87 PyAPI_FUNC(PyObject *) PyDictProxy_New(PyObject *);
  88 PyAPI_FUNC(PyObject *) PyWrapper_New(PyObject *, PyObject *);
  89
  90
  91 PyAPI_DATA(PyTypeObject) PyProperty_Type;
  92 #ifdef __cplusplus
  93 }
  94 #endif
  95 #endif /* !Py_DESCROBJECT_H */
  96