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luaur_vm/functions/
lua_l_callyieldable.rs

1use core::ffi::c_int;
2
3use crate::functions::lua_call::lua_call;
4use crate::macros::api_check::api_check;
5use crate::macros::c_call_yield::C_CALL_YIELD;
6use crate::macros::clvalue::clvalue;
7use crate::macros::iscfunction::iscfunction;
8use crate::macros::isyielded::isyielded;
9use crate::type_aliases::lua_state::lua_State;
10
11#[allow(non_snake_case)]
12pub unsafe fn lua_l_callyieldable(L: *mut lua_State, nargs: c_int, nresults: c_int) -> c_int {
13    api_check!(L, iscfunction!((*(*L).ci).func));
14    let cl = clvalue!((*(*L).ci).func);
15    let c = core::ptr::addr_of!((*cl).inner.c).cast::<crate::records::closure::CClosure>();
16    api_check!(L, (*c).cont.is_some());
17
18    lua_call(L, nargs, nresults);
19
20    if isyielded(L) {
21        return C_CALL_YIELD;
22    }
23
24    ((*c).cont.unwrap())(L, crate::enums::lua_status::LuaStatus::LUA_OK as c_int)
25}