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use core::{mem, 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 {
(Py_TYPE(op) == &mut PyCFunction_Type) as c_int
}
pub type PyCFunction =
unsafe extern "C" fn(slf: *mut PyObject, args: *mut PyObject) -> *mut PyObject;
#[cfg(all(Py_3_6, not(Py_LIMITED_API), not(Py_3_7)))]
pub type _PyCFunctionFast = unsafe extern "C" fn(
slf: *mut PyObject,
args: *mut *mut PyObject,
nargs: crate::pyport::Py_ssize_t,
kwnames: *mut PyObject,
) -> *mut PyObject;
#[cfg(all(Py_3_7, not(Py_LIMITED_API)))]
pub type _PyCFunctionFast = unsafe extern "C" fn(
slf: *mut PyObject,
args: *const *mut PyObject,
nargs: crate::pyport::Py_ssize_t,
) -> *mut PyObject;
pub type PyCFunctionWithKeywords = unsafe extern "C" fn(
slf: *mut PyObject,
args: *mut PyObject,
kwds: *mut PyObject,
) -> *mut PyObject;
#[cfg(all(Py_3_7, not(Py_LIMITED_API)))]
pub type _PyCFunctionFastWithKeywords = unsafe extern "C" fn(
slf: *mut PyObject,
args: *const *mut PyObject,
nargs: crate::pyport::Py_ssize_t,
kwnames: *mut PyObject,
) -> *mut PyObject;
#[cfg(not(Py_3_9))]
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;
#[deprecated(since = "0.5.2", note = "Deprecated since Python 3.9")]
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
}
}
impl Default for PyMethodDef {
fn default() -> PyMethodDef {
unsafe { mem::zeroed() }
}
}
#[inline(always)]
pub unsafe fn PyCFunction_New(ml: *mut PyMethodDef, slf: *mut PyObject) -> *mut PyObject {
PyCFunction_NewEx(ml, slf, ptr::null_mut())
}
#[cfg_attr(windows, link(name = "pythonXY"))]
extern "C" {
pub fn PyCFunction_NewEx(
arg1: *mut PyMethodDef,
arg2: *mut PyObject,
arg3: *mut PyObject,
) -> *mut PyObject;
#[cfg(Py_3_9)]
pub fn PyCMethod_New(
arg1: *mut PyMethodDef,
arg2: *mut PyObject,
arg3: *mut PyObject,
arg4: *mut PyTypeObject,
) -> *mut PyObject;
}
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;
#[cfg(all(Py_3_6, not(Py_LIMITED_API)))]
pub const METH_FASTCALL: c_int = 0x0080;
#[cfg(all(Py_3_9))]
pub const METH_METHOD: c_int = 0x0200;
#[cfg(not(Py_3_9))]
#[cfg_attr(windows, link(name = "pythonXY"))]
extern "C" {
pub fn PyCFunction_ClearFreeList() -> c_int;
}