pyo3_ffi/
weakrefobject.rs

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1use crate::object::*;
2use std::os::raw::c_int;
3#[cfg(not(PyPy))]
4use std::ptr::addr_of_mut;
5
6#[cfg(all(not(PyPy), Py_LIMITED_API, not(GraalPy)))]
7opaque_struct!(pub PyWeakReference);
8
9#[cfg(all(not(PyPy), not(Py_LIMITED_API), not(GraalPy)))]
10pub use crate::_PyWeakReference as PyWeakReference;
11
12#[cfg_attr(windows, link(name = "pythonXY"))]
13extern "C" {
14    // TODO: PyO3 is depending on this symbol in `reference.rs`, we should change this and
15    // remove the export as this is a private symbol.
16    pub static mut _PyWeakref_RefType: PyTypeObject;
17    static mut _PyWeakref_ProxyType: PyTypeObject;
18    static mut _PyWeakref_CallableProxyType: PyTypeObject;
19
20    #[cfg(PyPy)]
21    #[link_name = "PyPyWeakref_CheckRef"]
22    pub fn PyWeakref_CheckRef(op: *mut PyObject) -> c_int;
23
24    #[cfg(PyPy)]
25    #[link_name = "PyPyWeakref_CheckRefExact"]
26    pub fn PyWeakref_CheckRefExact(op: *mut PyObject) -> c_int;
27
28    #[cfg(PyPy)]
29    #[link_name = "PyPyWeakref_CheckProxy"]
30    pub fn PyWeakref_CheckProxy(op: *mut PyObject) -> c_int;
31}
32
33#[inline]
34#[cfg(not(PyPy))]
35pub unsafe fn PyWeakref_CheckRef(op: *mut PyObject) -> c_int {
36    PyObject_TypeCheck(op, addr_of_mut!(_PyWeakref_RefType))
37}
38
39#[inline]
40#[cfg(not(PyPy))]
41pub unsafe fn PyWeakref_CheckRefExact(op: *mut PyObject) -> c_int {
42    (Py_TYPE(op) == addr_of_mut!(_PyWeakref_RefType)) as c_int
43}
44
45#[inline]
46#[cfg(not(PyPy))]
47pub unsafe fn PyWeakref_CheckProxy(op: *mut PyObject) -> c_int {
48    ((Py_TYPE(op) == addr_of_mut!(_PyWeakref_ProxyType))
49        || (Py_TYPE(op) == addr_of_mut!(_PyWeakref_CallableProxyType))) as c_int
50}
51
52#[inline]
53pub unsafe fn PyWeakref_Check(op: *mut PyObject) -> c_int {
54    (PyWeakref_CheckRef(op) != 0 || PyWeakref_CheckProxy(op) != 0) as c_int
55}
56
57extern "C" {
58    #[cfg_attr(PyPy, link_name = "PyPyWeakref_NewRef")]
59    pub fn PyWeakref_NewRef(ob: *mut PyObject, callback: *mut PyObject) -> *mut PyObject;
60    #[cfg_attr(PyPy, link_name = "PyPyWeakref_NewProxy")]
61    pub fn PyWeakref_NewProxy(ob: *mut PyObject, callback: *mut PyObject) -> *mut PyObject;
62    #[cfg_attr(PyPy, link_name = "PyPyWeakref_GetObject")]
63    #[cfg_attr(
64        Py_3_13,
65        deprecated(note = "deprecated since Python 3.13. Use `PyWeakref_GetRef` instead.")
66    )]
67    pub fn PyWeakref_GetObject(reference: *mut PyObject) -> *mut PyObject;
68    #[cfg(Py_3_13)]
69    #[cfg_attr(PyPy, link_name = "PyPyWeakref_GetRef")]
70    pub fn PyWeakref_GetRef(reference: *mut PyObject, pobj: *mut *mut PyObject) -> c_int;
71}
pyo3_ffi/weakrefobject.rs

pyo3_ffi/
weakrefobject.rs
