pyo3/pyo3-ffi/src/weakrefobject.rs
2023-06-05 11:12:06 +02:00

63 lines
2 KiB
Rust

use crate::object::*;
use std::os::raw::c_int;
#[cfg(not(PyPy))]
use std::ptr::addr_of_mut;
#[cfg(all(not(PyPy), Py_LIMITED_API))]
opaque_struct!(PyWeakReference);
#[cfg(all(not(PyPy), not(Py_LIMITED_API)))]
pub use crate::_PyWeakReference as PyWeakReference;
#[cfg_attr(windows, link(name = "pythonXY"))]
extern "C" {
pub static mut _PyWeakref_RefType: PyTypeObject;
pub static mut _PyWeakref_ProxyType: PyTypeObject;
pub static mut _PyWeakref_CallableProxyType: PyTypeObject;
#[cfg(PyPy)]
#[link_name = "PyPyWeakref_CheckRef"]
pub fn PyWeakref_CheckRef(op: *mut PyObject) -> c_int;
#[cfg(PyPy)]
#[link_name = "PyPyWeakref_CheckRefExact"]
pub fn PyWeakref_CheckRefExact(op: *mut PyObject) -> c_int;
#[cfg(PyPy)]
#[link_name = "PyPyWeakref_CheckProxy"]
pub fn PyWeakref_CheckProxy(op: *mut PyObject) -> c_int;
}
#[inline]
#[cfg(not(PyPy))]
pub unsafe fn PyWeakref_CheckRef(op: *mut PyObject) -> c_int {
PyObject_TypeCheck(op, addr_of_mut!(_PyWeakref_RefType))
}
#[inline]
#[cfg(not(PyPy))]
pub unsafe fn PyWeakref_CheckRefExact(op: *mut PyObject) -> c_int {
(Py_TYPE(op) == addr_of_mut!(_PyWeakref_RefType)) as c_int
}
#[inline]
#[cfg(not(PyPy))]
pub unsafe fn PyWeakref_CheckProxy(op: *mut PyObject) -> c_int {
((Py_TYPE(op) == addr_of_mut!(_PyWeakref_ProxyType))
|| (Py_TYPE(op) == addr_of_mut!(_PyWeakref_CallableProxyType))) as c_int
}
#[inline]
pub unsafe fn PyWeakref_Check(op: *mut PyObject) -> c_int {
(PyWeakref_CheckRef(op) != 0 || PyWeakref_CheckProxy(op) != 0) as c_int
}
extern "C" {
#[cfg_attr(PyPy, link_name = "PyPyWeakref_NewRef")]
pub fn PyWeakref_NewRef(ob: *mut PyObject, callback: *mut PyObject) -> *mut PyObject;
#[cfg_attr(PyPy, link_name = "PyPyWeakref_NewProxy")]
pub fn PyWeakref_NewProxy(ob: *mut PyObject, callback: *mut PyObject) -> *mut PyObject;
#[cfg_attr(PyPy, link_name = "PyPyWeakref_GetObject")]
pub fn PyWeakref_GetObject(_ref: *mut PyObject) -> *mut PyObject;
}