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