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1 /* Descriptors */
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2 #ifndef Py_DESCROBJECT_H
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3 #define Py_DESCROBJECT_H
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4 #ifdef __cplusplus
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5 extern "C" {
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6 #endif
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7
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8 typedef PyObject *(*getter)(PyObject *, void *);
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9 typedef int (*setter)(PyObject *, PyObject *, void *);
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10
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11 typedef struct PyGetSetDef {
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12 const char *name;
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13 getter get;
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14 setter set;
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15 const char *doc;
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16 void *closure;
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17 } PyGetSetDef;
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18
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19 #ifndef Py_LIMITED_API
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20 typedef PyObject *(*wrapperfunc)(PyObject *self, PyObject *args,
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21 void *wrapped);
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22
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23 typedef PyObject *(*wrapperfunc_kwds)(PyObject *self, PyObject *args,
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24 void *wrapped, PyObject *kwds);
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25
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26 struct wrapperbase {
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27 const char *name;
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28 int offset;
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29 void *function;
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30 wrapperfunc wrapper;
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31 const char *doc;
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32 int flags;
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33 PyObject *name_strobj;
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34 };
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35
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36 /* Flags for above struct */
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37 #define PyWrapperFlag_KEYWORDS 1 /* wrapper function takes keyword args */
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38
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39 /* Various kinds of descriptor objects */
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40
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41 typedef struct {
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42 PyObject_HEAD
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43 PyTypeObject *d_type;
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44 PyObject *d_name;
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45 PyObject *d_qualname;
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46 } PyDescrObject;
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47
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48 #define PyDescr_COMMON PyDescrObject d_common
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49
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50 #define PyDescr_TYPE(x) (((PyDescrObject *)(x))->d_type)
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51 #define PyDescr_NAME(x) (((PyDescrObject *)(x))->d_name)
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52
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53 typedef struct {
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54 PyDescr_COMMON;
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55 PyMethodDef *d_method;
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56 vectorcallfunc vectorcall;
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57 } PyMethodDescrObject;
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58
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59 typedef struct {
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60 PyDescr_COMMON;
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61 struct PyMemberDef *d_member;
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62 } PyMemberDescrObject;
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63
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64 typedef struct {
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65 PyDescr_COMMON;
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66 PyGetSetDef *d_getset;
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67 } PyGetSetDescrObject;
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68
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69 typedef struct {
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70 PyDescr_COMMON;
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71 struct wrapperbase *d_base;
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72 void *d_wrapped; /* This can be any function pointer */
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73 } PyWrapperDescrObject;
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74 #endif /* Py_LIMITED_API */
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75
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76 PyAPI_DATA(PyTypeObject) PyClassMethodDescr_Type;
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77 PyAPI_DATA(PyTypeObject) PyGetSetDescr_Type;
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78 PyAPI_DATA(PyTypeObject) PyMemberDescr_Type;
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79 PyAPI_DATA(PyTypeObject) PyMethodDescr_Type;
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80 PyAPI_DATA(PyTypeObject) PyWrapperDescr_Type;
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81 PyAPI_DATA(PyTypeObject) PyDictProxy_Type;
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82 #ifndef Py_LIMITED_API
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83 PyAPI_DATA(PyTypeObject) _PyMethodWrapper_Type;
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84 #endif /* Py_LIMITED_API */
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85
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86 PyAPI_FUNC(PyObject *) PyDescr_NewMethod(PyTypeObject *, PyMethodDef *);
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87 PyAPI_FUNC(PyObject *) PyDescr_NewClassMethod(PyTypeObject *, PyMethodDef *);
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88 struct PyMemberDef; /* forward declaration for following prototype */
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89 PyAPI_FUNC(PyObject *) PyDescr_NewMember(PyTypeObject *,
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90 struct PyMemberDef *);
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91 PyAPI_FUNC(PyObject *) PyDescr_NewGetSet(PyTypeObject *,
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92 struct PyGetSetDef *);
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93 #ifndef Py_LIMITED_API
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94 PyAPI_FUNC(PyObject *) PyDescr_NewWrapper(PyTypeObject *,
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95 struct wrapperbase *, void *);
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96 #define PyDescr_IsData(d) (Py_TYPE(d)->tp_descr_set != NULL)
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97 #endif
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98
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99 PyAPI_FUNC(PyObject *) PyDictProxy_New(PyObject *);
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100 PyAPI_FUNC(PyObject *) PyWrapper_New(PyObject *, PyObject *);
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101
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102
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103 PyAPI_DATA(PyTypeObject) PyProperty_Type;
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104 #ifdef __cplusplus
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105 }
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106 #endif
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107 #endif /* !Py_DESCROBJECT_H */
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108
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