luaur_analysis/functions/
deep_copy.rs

1use crate::functions::alloc_type_user_data::alloc_type_user_data;
2use crate::functions::deep_clone::deep_clone;
3use crate::functions::get_type_function_runtime::get_type_function_runtime;
4use crate::functions::get_type_user_data::get_type_user_data;
5use crate::type_aliases::lua_state::lua_State;
6use luaur_vm::functions::lua_gettop::lua_gettop;
7use luaur_vm::functions::lua_l_error_l::lua_l_error_l;
8
9#[allow(non_snake_case)]
10pub unsafe fn deep_copy(l: *mut lua_State) -> core::ffi::c_int {
11    let vm_l = l as *mut luaur_vm::records::lua_state::lua_State;
12    let argument_count = lua_gettop(vm_l);
13    if argument_count != 1 {
14        lua_l_error_l(
15            vm_l,
16            c"%s".as_ptr(),
17            core::format_args!(
18                "types.copy: expected 1 arguments, but got {}",
19                argument_count
20            ),
21        );
22    }
23
24    let arg = get_type_user_data(l, 1);
25    let runtime = get_type_function_runtime(l);
26    let copy = deep_clone(runtime, arg);
27
28    if luaur_common::FFlag::LuauTypeFunctionRobustness.get() && copy.is_null() {
29        lua_l_error_l(
30            vm_l,
31            c"%s".as_ptr(),
32            core::format_args!("types.copy: complexity limit reached during type copy"),
33        );
34    }
35
36    alloc_type_user_data(l, (*copy).type_variant.clone(), false);
37    1
38}
luaur_analysis/functions/deep_copy.rs

luaur_analysis/functions/
deep_copy.rs
