| 220 | |
| 221 | template <typename... Ret, typename... Args> |
| 222 | decltype(auto) call(Args&&... args) const { |
| 223 | if constexpr (!Aligned) { |
| 224 | // we do not expect the function to already be on the stack: push it |
| 225 | if (m_error_handler.valid(lua_state())) { |
| 226 | detail::protected_handler<true, handler_t> h(lua_state(), m_error_handler); |
| 227 | base_t::push(); |
| 228 | int pushcount = stack::multi_push_reference(lua_state(), std::forward<Args>(args)...); |
| 229 | return invoke(types<Ret...>(), std::make_index_sequence<sizeof...(Ret)>(), pushcount, h); |
| 230 | } |
| 231 | else { |
| 232 | detail::protected_handler<false, handler_t> h(lua_state(), m_error_handler); |
| 233 | base_t::push(); |
| 234 | int pushcount = stack::multi_push_reference(lua_state(), std::forward<Args>(args)...); |
| 235 | return invoke(types<Ret...>(), std::make_index_sequence<sizeof...(Ret)>(), pushcount, h); |
| 236 | } |
| 237 | } |
| 238 | else { |
| 239 | // the function is already on the stack at the right location |
| 240 | if (m_error_handler.valid()) { |
| 241 | // the handler will be pushed onto the stack manually, |
| 242 | // since it's not already on the stack this means we need to push our own |
| 243 | // function on the stack too and swap things to be in-place |
| 244 | if constexpr (!is_stack_handler_v) { |
| 245 | // so, we need to remove the function at the top and then dump the handler out ourselves |
| 246 | base_t::push(); |
| 247 | } |
| 248 | detail::protected_handler<true, handler_t> h(lua_state(), m_error_handler); |
| 249 | if constexpr (!is_stack_handler_v) { |
| 250 | lua_replace(lua_state(), -3); |
| 251 | h.stack_index = lua_absindex(lua_state(), -2); |
| 252 | } |
| 253 | int pushcount = stack::multi_push_reference(lua_state(), std::forward<Args>(args)...); |
| 254 | return invoke(types<Ret...>(), std::make_index_sequence<sizeof...(Ret)>(), pushcount, h); |
| 255 | } |
| 256 | else { |
| 257 | detail::protected_handler<false, handler_t> h(lua_state(), m_error_handler); |
| 258 | int pushcount = stack::multi_push_reference(lua_state(), std::forward<Args>(args)...); |
| 259 | return invoke(types<Ret...>(), std::make_index_sequence<sizeof...(Ret)>(), pushcount, h); |
| 260 | } |
| 261 | } |
| 262 | } |
| 263 | |
| 264 | ~basic_protected_function() { |
| 265 | if constexpr (is_stateless_lua_reference_v<handler_t>) { |
nothing calls this directly
no test coverage detected