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- #ifndef Py_SLICEOBJECT_H
- #define Py_SLICEOBJECT_H
- #ifdef __cplusplus
- extern "C" {
- #endif
- /* The unique ellipsis object "..." */
- PyAPI_DATA(PyObject) _Py_EllipsisObject; /* Don't use this directly */
- #define Py_Ellipsis (&_Py_EllipsisObject)
- /* Slice object interface */
- /*
- A slice object containing start, stop, and step data members (the
- names are from range). After much talk with Guido, it was decided to
- let these be any arbitrary python type. Py_None stands for omitted values.
- */
- #ifndef Py_LIMITED_API
- typedef struct {
- PyObject_HEAD
- PyObject *start, *stop, *step; /* not NULL */
- } PySliceObject;
- #endif
- PyAPI_DATA(PyTypeObject) PySlice_Type;
- PyAPI_DATA(PyTypeObject) PyEllipsis_Type;
- #define PySlice_Check(op) (Py_TYPE(op) == &PySlice_Type)
- PyAPI_FUNC(PyObject *) PySlice_New(PyObject* start, PyObject* stop,
- PyObject* step);
- #ifndef Py_LIMITED_API
- PyAPI_FUNC(PyObject *) _PySlice_FromIndices(Py_ssize_t start, Py_ssize_t stop);
- PyAPI_FUNC(int) _PySlice_GetLongIndices(PySliceObject *self, PyObject *length,
- PyObject **start_ptr, PyObject **stop_ptr,
- PyObject **step_ptr);
- #endif
- PyAPI_FUNC(int) PySlice_GetIndices(PyObject *r, Py_ssize_t length,
- Py_ssize_t *start, Py_ssize_t *stop, Py_ssize_t *step);
- PyAPI_FUNC(int) PySlice_GetIndicesEx(PyObject *r, Py_ssize_t length,
- Py_ssize_t *start, Py_ssize_t *stop,
- Py_ssize_t *step, Py_ssize_t *slicelength) Py_DEPRECATED(3.7);
- #if !defined(Py_LIMITED_API) || (Py_LIMITED_API+0 >= 0x03050400 && Py_LIMITED_API+0 < 0x03060000) || Py_LIMITED_API+0 >= 0x03060100
- #define PySlice_GetIndicesEx(slice, length, start, stop, step, slicelen) ( \
- PySlice_Unpack((slice), (start), (stop), (step)) < 0 ? \
- ((*(slicelen) = 0), -1) : \
- ((*(slicelen) = PySlice_AdjustIndices((length), (start), (stop), *(step))), \
- 0))
- PyAPI_FUNC(int) PySlice_Unpack(PyObject *slice,
- Py_ssize_t *start, Py_ssize_t *stop, Py_ssize_t *step);
- PyAPI_FUNC(Py_ssize_t) PySlice_AdjustIndices(Py_ssize_t length,
- Py_ssize_t *start, Py_ssize_t *stop,
- Py_ssize_t step);
- #endif
- #ifdef __cplusplus
- }
- #endif
- #endif /* !Py_SLICEOBJECT_H */
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