| 14 | } |
| 15 | |
| 16 | int main(int, char*[]) { |
| 17 | |
| 18 | sol::state lua; |
| 19 | lua.open_libraries(sol::lib::base); |
| 20 | |
| 21 | object my_obj; |
| 22 | |
| 23 | sol::table obj_table = lua.create_named_table("object"); |
| 24 | |
| 25 | sol::table obj_metatable = lua.create_table_with(); |
| 26 | obj_metatable.set_function( |
| 27 | "my_func", &object::my_func, &my_obj); |
| 28 | // Set whatever else you need to |
| 29 | // on the obj_metatable, |
| 30 | // not on the obj_table itself! |
| 31 | |
| 32 | // Properly self-index metatable to block things |
| 33 | obj_metatable[sol::meta_function::new_index] = deny; |
| 34 | obj_metatable[sol::meta_function::index] = obj_metatable; |
| 35 | |
| 36 | // Set it on the actual table |
| 37 | obj_table[sol::metatable_key] = obj_metatable; |
| 38 | |
| 39 | try { |
| 40 | lua.script(R"( |
| 41 | print(object.my_func) |
| 42 | object["my_func"] = 24 |
| 43 | print(object.my_func) |
| 44 | )"); |
| 45 | } |
| 46 | catch (const std::exception& e) { |
| 47 | std::cout << "an expected error occurred: " << e.what() |
| 48 | << std::endl; |
| 49 | } |
| 50 | return 0; |
| 51 | } |
nothing calls this directly
no test coverage detected