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cpython/Include/sliceobject.h at v3.6.15 · python/cpython · GitHub
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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
);
#if
!defined(
Py_LIMITED_API
)
||
(
Py_LIMITED_API
+
0
>=
0x03050400
&&
Py_LIMITED_API
+
0
<
0x03060000
)
||
Py_LIMITED_API
+
0
>=
0x03060100
#ifdef
Py_LIMITED_API
#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))
#endif
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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