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use core::ptr;
use libc::{c_char, c_int};
use crate::object::{PyObject, PyTypeObject, Py_TYPE};
#[cfg_attr(windows, link(name = "pythonXY"))]
extern "C" {
pub static mut PyCFunction_Type: PyTypeObject;
}
#[inline(always)]
pub unsafe fn PyCFunction_Check(op: *mut PyObject) -> c_int {
let u: *mut PyTypeObject = &mut PyCFunction_Type;
(Py_TYPE(op) == u) as c_int
}
pub type PyCFunction =
unsafe extern "C" fn(slf: *mut PyObject, args: *mut PyObject) -> *mut PyObject;
pub type PyCFunctionWithKeywords = unsafe extern "C" fn(
slf: *mut PyObject,
args: *mut PyObject,
kwds: *mut PyObject,
) -> *mut PyObject;
pub type PyNoArgsFunction = unsafe extern "C" fn(slf: *mut PyObject) -> *mut PyObject;
#[cfg_attr(windows, link(name = "pythonXY"))]
extern "C" {
pub fn PyCFunction_GetFunction(f: *mut PyObject) -> Option<PyCFunction>;
pub fn PyCFunction_GetSelf(f: *mut PyObject) -> *mut PyObject;
pub fn PyCFunction_GetFlags(f: *mut PyObject) -> c_int;
pub fn PyCFunction_Call(
f: *mut PyObject,
args: *mut PyObject,
kwds: *mut PyObject,
) -> *mut PyObject;
}
#[repr(C)]
#[derive(Copy)]
pub struct PyMethodDef {
pub ml_name: *const c_char,
pub ml_meth: Option<PyCFunction>,
pub ml_flags: c_int,
pub ml_doc: *const c_char,
}
impl Clone for PyMethodDef {
#[inline]
fn clone(&self) -> PyMethodDef {
*self
}
}
pub const METH_OLDARGS: c_int = 0x0000;
pub const METH_VARARGS: c_int = 0x0001;
pub const METH_KEYWORDS: c_int = 0x0002;
pub const METH_NOARGS: c_int = 0x0004;
pub const METH_O: c_int = 0x0008;
pub const METH_CLASS: c_int = 0x0010;
pub const METH_STATIC: c_int = 0x0020;
pub const METH_COEXIST: c_int = 0x0040;
#[repr(C)]
#[derive(Copy, Clone)]
pub struct PyMethodChain {
pub methods: *mut PyMethodDef,
pub link: *mut PyMethodChain,
}
#[cfg_attr(windows, link(name = "pythonXY"))]
extern "C" {
pub fn Py_FindMethod(
methods: *mut PyMethodDef,
slf: *mut PyObject,
name: *const c_char,
) -> *mut PyObject;
pub fn PyCFunction_NewEx(
ml: *mut PyMethodDef,
slf: *mut PyObject,
module: *mut PyObject,
) -> *mut PyObject;
pub fn Py_FindMethodInChain(
chain: *mut PyMethodChain,
slf: *mut PyObject,
name: *const c_char,
) -> *mut PyObject;
pub fn PyCFunction_ClearFreeList() -> c_int;
}
#[inline(always)]
pub unsafe fn PyCFunction_New(ml: *mut PyMethodDef, slf: *mut PyObject) -> *mut PyObject {
PyCFunction_NewEx(ml, slf, ptr::null_mut())
}