mirror of https://github.com/python/cpython
66 lines
2.5 KiB
C
66 lines
2.5 KiB
C
#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_IS_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);
|
|
Py_DEPRECATED(3.7)
|
|
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
|
|
#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 */
|