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1: #ifndef Py_SLICEOBJECT_H 2: #define Py_SLICEOBJECT_H 3: #ifdef __cplusplus 4: extern "C" { 5: #endif 6: 7: /* The unique ellipsis object "..." */ 8: 9: PyAPI_DATA(PyObject) _Py_EllipsisObject; /* Don't use this directly */ 10: 11: #define Py_Ellipsis (&_Py_EllipsisObject) 12: 13: /* Slice object interface */ 14: 15: /* 16: 17: A slice object containing start, stop, and step data members (the 18: names are from range). After much talk with Guido, it was decided to 19: let these be any arbitrary python type. Py_None stands for omitted values. 20: */ 21: #ifndef Py_LIMITED_API 22: typedef struct { 23: PyObject_HEAD 24: PyObject *start, *stop, *step; /* not NULL */ 25: } PySliceObject; 26: #endif 27: 28: PyAPI_DATA(PyTypeObject) PySlice_Type; 29: PyAPI_DATA(PyTypeObject) PyEllipsis_Type; 30: 31: #define PySlice_Check(op) (Py_TYPE(op) == &PySlice_Type) 32: 33: PyAPI_FUNC(PyObject *) PySlice_New(PyObject* start, PyObject* stop, 34: PyObject* step); 35: #ifndef Py_LIMITED_API 36: PyAPI_FUNC(PyObject *) _PySlice_FromIndices(Py_ssize_t start, Py_ssize_t stop); 37: PyAPI_FUNC(int) _PySlice_GetLongIndices(PySliceObject *self, PyObject *length, 38: PyObject **start_ptr, PyObject **stop_ptr, 39: PyObject **step_ptr); 40: #endif 41: PyAPI_FUNC(int) PySlice_GetIndices(PyObject *r, Py_ssize_t length, 42: Py_ssize_t *start, Py_ssize_t *stop, Py_ssize_t *step); 43: PyAPI_FUNC(int) PySlice_GetIndicesEx(PyObject *r, Py_ssize_t length, 44: Py_ssize_t *start, Py_ssize_t *stop, 45: Py_ssize_t *step, Py_ssize_t *slicelength); 46: 47: #if !defined(Py_LIMITED_API) || (Py_LIMITED_API+0 >= 0x03050400 && Py_LIMITED_API+0 < 0x03060000) || Py_LIMITED_API+0 >= 0x03060100 48: #ifdef Py_LIMITED_API 49: #define PySlice_GetIndicesEx(slice, length, start, stop, step, slicelen) ( \ 50: PySlice_Unpack((slice), (start), (stop), (step)) < 0 ? \ 51: ((*(slicelen) = 0), -1) : \ 52: ((*(slicelen) = PySlice_AdjustIndices((length), (start), (stop), *(step))), \ 53: 0)) 54: #endif 55: PyAPI_FUNC(int) PySlice_Unpack(PyObject *slice, 56: Py_ssize_t *start, Py_ssize_t *stop, Py_ssize_t *step); 57: PyAPI_FUNC(Py_ssize_t) PySlice_AdjustIndices(Py_ssize_t length, 58: Py_ssize_t *start, Py_ssize_t *stop, 59: Py_ssize_t step); 60: #endif 61: 62: #ifdef __cplusplus 63: } 64: #endif 65: #endif /* !Py_SLICEOBJECT_H */ 66: