| #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); |
| 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 */ |