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luaur_vm/functions/
lua_newuserdatatagged.rs

1use core::ffi::{c_int, c_void};
2
3use crate::enums::lua_type::lua_Type;
4use crate::functions::lua_concat::lua_c_threadbarrier_lapi;
5use crate::functions::lua_u_newudata::lua_u_newudata;
6use crate::macros::api_check::api_check;
7use crate::macros::api_incr_top::api_incr_top;
8use crate::macros::lua_c_check_gc::luaC_checkGC;
9use crate::macros::lua_utag_limit::LUA_UTAG_LIMIT;
10use crate::macros::utag_proxy::UTAG_PROXY;
11use crate::records::gc_object::GCObject;
12use crate::records::lua_state::lua_State;
13
14#[allow(non_snake_case)]
15pub fn lua_newuserdatatagged(L: *mut lua_State, sz: usize, tag: c_int) -> *mut c_void {
16    unsafe {
17        api_check!(L, (tag as u32) < LUA_UTAG_LIMIT as u32 || tag == UTAG_PROXY);
18        luaC_checkGC!(L);
19        lua_c_threadbarrier_lapi(L);
20
21        let u = lua_u_newudata(L, sz, tag);
22        (*(*L).top).value.gc = u as *mut GCObject;
23        (*(*L).top).tt = lua_Type::LUA_TUSERDATA as c_int;
24        crate::macros::checkliveness::checkliveness!((*L).global, (*L).top);
25        api_incr_top!(L);
26
27        (*u).data.as_mut_ptr().cast()
28    }
29}