luaur_vm/functions/
lua_r_newclass.rs1use crate::enums::lua_type::lua_Type;
2use crate::macros::lua_c_init::luaC_init;
3use crate::macros::lua_m_newarray::luaM_newarray;
4use crate::macros::setclvalue::setclvalue;
5use crate::macros::setnilvalue::setnilvalue;
6use crate::macros::ttisnil::ttisnil;
7use crate::records::closure::CClosure;
8use crate::records::lua_state::lua_State;
9use crate::records::lua_table::LuaTable;
10use crate::records::luau_class::LuauClass;
11use crate::records::t_string::TString;
12use crate::type_aliases::t_value::TValue;
13use crate::type_aliases::tms::TMS;
14use luaur_common::macros::luau_assert::LUAU_ASSERT;
15
16#[allow(non_snake_case)]
17pub unsafe fn lua_r_newclass(
18 L: *mut lua_State,
19 name: *mut TString,
20 memberstooffset: *mut LuaTable,
21 offsettomember: *mut *mut TString,
22 numberofinstancemembers: i32,
23 numberofstaticmembers: i32,
24) -> *mut LuauClass {
25 let global = (*L).global;
26 LUAU_ASSERT!((*global).GCthreshold == usize::MAX);
27
28 let classobject = crate::functions::lua_m_newgco::luaM_newgco_(
29 L,
30 core::mem::size_of::<LuauClass>(),
31 (*L).activememcat,
32 ) as *mut LuauClass;
33 luaC_init!(L, classobject, lua_Type::LUA_TCLASS as core::ffi::c_int);
34
35 (*classobject).name = name;
36
37 (*classobject).staticmembers =
38 luaM_newarray!(L, numberofstaticmembers, TValue, (*classobject).memcat);
39 for i in 0..numberofstaticmembers {
40 setnilvalue!((*classobject).staticmembers.add(i as usize));
41 }
42
43 (*classobject).memberstooffset = memberstooffset;
44 (*classobject).offsettomember = offsettomember;
45
46 (*classobject).metatable = crate::functions::lua_h_new::lua_h_new(L, 0, 1);
47 let constructor = crate::functions::lua_f_new_cclosure::lua_f_new_cclosure(L, 0, (*L).gt);
48 let constructor_c = core::ptr::addr_of_mut!((*constructor).inner.c) as *mut CClosure;
49 (*constructor_c).f = Some(crate::functions::lua_r_createobject::lua_r_createobject);
50 (*constructor_c).debugname = c"luaR_createobject".as_ptr();
51 (*constructor_c).cont = None;
52 let dest = crate::functions::lua_h_setstr::lua_h_setstr(
53 L,
54 (*classobject).metatable,
55 (*global).tmname[TMS::TM_CALL as usize],
56 );
57 LUAU_ASSERT!(ttisnil!(dest));
58 setclvalue!(L, dest, constructor);
59 (*(*classobject).metatable).readonly = 1;
60 (*classobject).instancemetatable = core::ptr::null_mut();
61
62 (*classobject).numberofinstancemembers = numberofinstancemembers;
63 (*classobject).numberofallmembers = numberofinstancemembers + numberofstaticmembers;
64
65 classobject
66}