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luaur_vm/functions/
lua_is_lfunction.rs

1use core::ffi::c_int;
2
3use crate::functions::index_2_addr::index2addr;
4use crate::macros::clvalue::clvalue;
5use crate::macros::ttype::ttype;
6use crate::records::lua_state::lua_State;
7use crate::type_aliases::stk_id::StkId;
8
9#[allow(non_snake_case)]
10pub unsafe fn lua_is_lfunction(L: *mut lua_State, idx: c_int) -> c_int {
11    let o: StkId = index2addr(L, idx);
12
13    if ttype!(o) == crate::enums::lua_type::lua_Type::LUA_TFUNCTION as c_int
14        && (*clvalue!(o)).isC == 0
15    {
16        1
17    } else {
18        0
19    }
20}