luaur_vm/functions/
lua_g_aritherror.rs

1//! Node: `cxx:Function:Luau.VM:VM/src/ldebug.cpp:264:luaG_aritherror`
2//! Source: `VM/src/ldebug.cpp:264-275` (hand-ported; `luaT_eventname[op]`
3//! is read from `g->tmname[op]`, built from the same string table)
4
5use core::ffi::{c_char, CStr};
6
7use crate::functions::lua_t_objtypename::lua_t_objtypename;
8use crate::macros::getstr::getstr;
9use crate::macros::lua_g_runerror::lua_g_runerror;
10use crate::type_aliases::lua_state::lua_State;
11use crate::type_aliases::t_value::TValue;
12use crate::type_aliases::tms::TMS;
13
14#[allow(non_snake_case)]
15pub unsafe fn lua_g_aritherror(
16    L: *mut lua_State,
17    p1: *const TValue,
18    p2: *const TValue,
19    op: TMS,
20) -> ! {
21    let t1: *const c_char = lua_t_objtypename(L, p1);
22    let t2: *const c_char = lua_t_objtypename(L, p2);
23    // skip __ from metamethod name
24    let opname = getstr((*(*L).global).tmname[op as usize]).add(2);
25
26    if t1 == t2 {
27        // C++ compares interned typename pointers
28        lua_g_runerror!(
29            L,
30            "attempt to perform arithmetic ({}) on {}",
31            CStr::from_ptr(opname).to_string_lossy(),
32            CStr::from_ptr(t1).to_string_lossy()
33        )
34    } else {
35        lua_g_runerror!(
36            L,
37            "attempt to perform arithmetic ({}) on {} and {}",
38            CStr::from_ptr(opname).to_string_lossy(),
39            CStr::from_ptr(t1).to_string_lossy(),
40            CStr::from_ptr(t2).to_string_lossy()
41        )
42    }
43}
44
45#[allow(non_snake_case)]
46pub unsafe fn luaG_aritherror(
47    L: *mut lua_State,
48    p1: *const TValue,
49    p2: *const TValue,
50    op: TMS,
51) -> ! {
52    lua_g_aritherror(L, p1, p2, op)
53}
luaur_vm/functions/lua_g_aritherror.rs

luaur_vm/functions/
lua_g_aritherror.rs
