// sol2 // The MIT License (MIT) // Copyright (c) 2013-2018 Rapptz, ThePhD and contributors // Permission is hereby granted, free of charge, to any person obtaining a copy of // this software and associated documentation files (the "Software"), to deal in // the Software without restriction, including without limitation the rights to // use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of // the Software, and to permit persons to whom the Software is furnished to do so, // subject to the following conditions: // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS // FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR // COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER // IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #ifndef SOL_STACK_CHECK_QUALIFIED_GET_HPP #define SOL_STACK_CHECK_QUALIFIED_GET_HPP #include "stack_core.hpp" #include "stack_get.hpp" #include "stack_check.hpp" #include "optional.hpp" #include #include namespace sol { namespace stack { template struct qualified_check_getter { typedef decltype(stack_detail::unchecked_get(nullptr, 0, std::declval())) R; template static optional get(lua_State* L, int index, Handler&& handler, record& tracking) { if (!check(L, index, std::forward(handler))) { tracking.use(static_cast(!lua_isnone(L, index))); return nullopt; } return stack_detail::unchecked_get(L, index, tracking); } }; } } // namespace sol::stack #endif // SOL_STACK_CHECK_QUALIFIED_GET_HPP