#define SOL_ALL_SAFETIES_ON 1 #include #include int main() { std::cout << "=== dump (serialize between states) ===" << std::endl; // 2 states, transferring function from 1 to another sol::state lua; sol::state lua2; // we're not going to run the code on the first // state, so we only actually need // the base lib on the second state // (where we will run the serialized bytecode) lua2.open_libraries(sol::lib::base); // load this code (but do not run) sol::load_result lr = lua.load("a = function (v) print(v) return v end"); // check if it's sucessfully loaded SOL_ASSERT(lr.valid()); // turn it into a function, then dump the bytecode sol::protected_function target = lr.get(); sol::bytecode target_bc = target.dump(); // reload the byte code // in the SECOND state auto result2 = lua2.safe_script( target_bc.as_string_view(), sol::script_pass_on_error); // check if it was done properly SOL_ASSERT(result2.valid()); // check in the second state if it was valid sol::protected_function pf = lua2["a"]; int v = pf(25557); SOL_ASSERT(v == 25557); return 0; }