pyo3/python27-sys/src/methodobject.rs

110 lines
3.4 KiB
Rust

use libc::{c_char, c_int};
use core::ptr;
//use pyport::Py_ssize_t;
use object::{PyObject, PyTypeObject, Py_TYPE};
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;
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 }
}
/* Flag passed to newmethodobject */
pub const METH_OLDARGS : c_int = 0x0000;
pub const METH_VARARGS : c_int = 0x0001;
pub const METH_KEYWORDS : c_int = 0x0002;
/* METH_NOARGS and METH_O must not be combined with the flags above. */
pub const METH_NOARGS : c_int = 0x0004;
pub const METH_O : c_int = 0x0008;
/* METH_CLASS and METH_STATIC are a little different; these control
the construction of methods for a class. These cannot be used for
functions in modules. */
pub const METH_CLASS : c_int = 0x0010;
pub const METH_STATIC : c_int = 0x0020;
/* METH_COEXIST allows a method to be entered eventhough a slot has
already filled the entry. When defined, the flag allows a separate
method, "__contains__" for example, to coexist with a defined
slot like sq_contains. */
pub const METH_COEXIST : c_int = 0x0040;
#[repr(C)]
#[derive(Copy, Clone)]
pub struct PyMethodChain {
pub methods: *mut PyMethodDef,
pub link: *mut PyMethodChain,
}
/*
#[repr(C)]
#[derive(Copy)]
struct PyCFunctionObject {
#[cfg(py_sys_config="Py_TRACE_REFS")]
pub _ob_next: *mut PyObject,
#[cfg(py_sys_config="Py_TRACE_REFS")]
pub _ob_prev: *mut PyObject,
pub ob_refcnt: Py_ssize_t,
pub ob_type: *mut PyTypeObject,
pub m_ml: *mut PyMethodDef,
pub m_self: *mut PyObject,
pub m_module: *mut PyObject,
}
*/
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())
}