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Diffstat (limited to '3rdparty/sol2/sol/function_result.hpp')
-rw-r--r-- | 3rdparty/sol2/sol/function_result.hpp | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/3rdparty/sol2/sol/function_result.hpp b/3rdparty/sol2/sol/function_result.hpp new file mode 100644 index 00000000000..e7c0e6c1e99 --- /dev/null +++ b/3rdparty/sol2/sol/function_result.hpp @@ -0,0 +1,88 @@ +// The MIT License (MIT) + +// Copyright (c) 2013-2016 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_FUNCTION_RESULT_HPP +#define SOL_FUNCTION_RESULT_HPP + +#include "reference.hpp" +#include "tuple.hpp" +#include "stack.hpp" +#include "proxy_base.hpp" +#include <cstdint> + +namespace sol { + struct function_result : public proxy_base<function_result> { + private: + lua_State* L; + int index; + int returncount; + + public: + function_result() = default; + function_result(lua_State* L, int index = -1, int returncount = 0) : L(L), index(index), returncount(returncount) { + + } + function_result(const function_result&) = default; + function_result& operator=(const function_result&) = default; + function_result(function_result&& o) : L(o.L), index(o.index), returncount(o.returncount) { + // Must be manual, otherwise destructor will screw us + // return count being 0 is enough to keep things clean + // but will be thorough + o.L = nullptr; + o.index = 0; + o.returncount = 0; + } + function_result& operator=(function_result&& o) { + L = o.L; + index = o.index; + returncount = o.returncount; + // Must be manual, otherwise destructor will screw us + // return count being 0 is enough to keep things clean + // but will be thorough + o.L = nullptr; + o.index = 0; + o.returncount = 0; + return *this; + } + + template<typename T> + decltype(auto) get() const { + return stack::get<T>(L, index); + } + + call_status status() const noexcept { + return call_status::ok; + } + + bool valid() const noexcept { + return status() == call_status::ok || status() == call_status::yielded; + } + + lua_State* lua_state() const { return L; }; + int stack_index() const { return index; }; + + ~function_result() { + lua_pop(L, returncount); + } + }; +} // sol + +#endif // SOL_FUNCTION_RESULT_HPP |