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