use crate::object::*;
use crate::pyport::Py_ssize_t;
use std::os::raw::c_int;
#[cfg_attr(windows, link(name = "pythonXY"))]
extern "C" {
#[cfg_attr(PyPy, link_name = "_PyPy_EllipsisObject")]
static mut _Py_EllipsisObject: PyObject;
}
#[inline]
pub unsafe fn Py_Ellipsis() -> *mut PyObject {
addr_of_mut_shim!(_Py_EllipsisObject)
}
#[cfg(not(Py_LIMITED_API))]
#[repr(C)]
pub struct PySliceObject {
pub ob_base: PyObject,
pub start: *mut PyObject,
pub stop: *mut PyObject,
pub step: *mut PyObject,
}
#[cfg_attr(windows, link(name = "pythonXY"))]
extern "C" {
#[cfg_attr(PyPy, link_name = "PyPySlice_Type")]
pub static mut PySlice_Type: PyTypeObject;
pub static mut PyEllipsis_Type: PyTypeObject;
}
#[inline]
pub unsafe fn PySlice_Check(op: *mut PyObject) -> c_int {
(Py_TYPE(op) == addr_of_mut_shim!(PySlice_Type)) as c_int
}
extern "C" {
#[cfg_attr(PyPy, link_name = "PyPySlice_New")]
pub fn PySlice_New(
start: *mut PyObject,
stop: *mut PyObject,
step: *mut PyObject,
) -> *mut PyObject;
#[cfg_attr(PyPy, link_name = "PyPySlice_GetIndices")]
pub fn PySlice_GetIndices(
r: *mut PyObject,
length: Py_ssize_t,
start: *mut Py_ssize_t,
stop: *mut Py_ssize_t,
step: *mut Py_ssize_t,
) -> c_int;
}
#[inline]
pub unsafe fn PySlice_GetIndicesEx(
slice: *mut PyObject,
length: Py_ssize_t,
start: *mut Py_ssize_t,
stop: *mut Py_ssize_t,
step: *mut Py_ssize_t,
slicelength: *mut Py_ssize_t,
) -> c_int {
if PySlice_Unpack(slice, start, stop, step) < 0 {
*slicelength = 0;
-1
} else {
*slicelength = PySlice_AdjustIndices(length, start, stop, *step);
0
}
}
extern "C" {
#[cfg_attr(PyPy, link_name = "PyPySlice_Unpack")]
pub fn PySlice_Unpack(
slice: *mut PyObject,
start: *mut Py_ssize_t,
stop: *mut Py_ssize_t,
step: *mut Py_ssize_t,
) -> c_int;
#[cfg_attr(all(PyPy, Py_3_10), link_name = "PyPySlice_AdjustIndices")]
pub fn PySlice_AdjustIndices(
length: Py_ssize_t,
start: *mut Py_ssize_t,
stop: *mut Py_ssize_t,
step: Py_ssize_t,
) -> Py_ssize_t;
}