1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43

use libc::c_int;

use crate::object::*;
use crate::pyport::Py_ssize_t;

#[repr(C)]
#[derive(Copy, Clone)]
struct PyCellObject {
    #[cfg(py_sys_config = "Py_TRACE_REFS")]
    pub _ob_next: *mut PyObject,
    #[cfg(py_sys_config = "Py_TRACE_REFS")]
    pub _ob_prev: *mut PyObject,
    pub ob_refcnt: Py_ssize_t,
    pub ob_type: *mut PyTypeObject,
    pub ob_ref: *mut PyObject,
}

#[cfg_attr(windows, link(name = "pythonXY"))]
extern "C" {
    pub static mut PyCell_Type: PyTypeObject;
}

#[inline(always)]
pub unsafe fn PyCell_Check(op: *mut PyObject) -> c_int {
    (Py_TYPE(op) == &mut PyCell_Type) as c_int
}

#[cfg_attr(windows, link(name = "pythonXY"))]
extern "C" {
    pub fn PyCell_New(obj: *mut PyObject) -> *mut PyObject;
    pub fn PyCell_Get(op: *mut PyObject) -> *mut PyObject;
    pub fn PyCell_Set(op: *mut PyObject, obj: *mut PyObject) -> c_int;
}

#[inline(always)]
pub unsafe fn PyCell_GET(op: *mut PyObject) -> *mut PyObject {
    (*(op as *mut PyCellObject)).ob_ref
}

#[inline(always)]
pub unsafe fn PyCell_SET(op: *mut PyObject, obj: *mut PyObject) {
    (*(op as *mut PyCellObject)).ob_ref = obj;
}