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diff --git a/3rdparty/sol2/sol/protected_function_result.hpp b/3rdparty/sol2/sol/protected_function_result.hpp
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-// 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_PROTECTED_FUNCTION_RESULT_HPP
-#define SOL_PROTECTED_FUNCTION_RESULT_HPP
-
-#include "reference.hpp"
-#include "tuple.hpp"
-#include "stack.hpp"
-#include "proxy_base.hpp"
-#include <cstdint>
-
-namespace sol {
- struct protected_function_result : public proxy_base<protected_function_result> {
- private:
- lua_State* L;
- int index;
- int returncount;
- int popcount;
- call_status err;
-
- template <typename T>
- decltype(auto) tagged_get(types<sol::optional<T>>) const {
- if (!valid()) {
- return sol::optional<T>(nullopt);
- }
- return stack::get<sol::optional<T>>(L, index);
- }
-
- template <typename T>
- decltype(auto) tagged_get(types<T>) const {
-#ifdef SOL_CHECK_ARGUMENTS
- if (!valid()) {
- type_panic(L, index, type_of(L, index), type::none);
- }
-#endif // Check Argument Safety
- return stack::get<T>(L, index);
- }
-
- optional<error> tagged_get(types<optional<error>>) const {
- if (valid()) {
- return nullopt;
- }
- return error(detail::direct_error, stack::get<std::string>(L, index));
- }
-
- error tagged_get(types<error>) const {
-#ifdef SOL_CHECK_ARGUMENTS
- if (valid()) {
- type_panic(L, index, type_of(L, index), type::none);
- }
-#endif // Check Argument Safety
- return error(detail::direct_error, stack::get<std::string>(L, index));
- }
-
- public:
- protected_function_result() = default;
- protected_function_result(lua_State* Ls, int idx = -1, int retnum = 0, int popped = 0, call_status pferr = call_status::ok) noexcept : L(Ls), index(idx), returncount(retnum), popcount(popped), err(pferr) {
-
- }
- protected_function_result(const protected_function_result&) = default;
- protected_function_result& operator=(const protected_function_result&) = default;
- protected_function_result(protected_function_result&& o) noexcept : L(o.L), index(o.index), returncount(o.returncount), popcount(o.popcount), err(o.err) {
- // Must be manual, otherwise destructor will screw us
- // return count being 0 is enough to keep things clean
- // but we will be thorough
- o.L = nullptr;
- o.index = 0;
- o.returncount = 0;
- o.popcount = 0;
- o.err = call_status::runtime;
- }
- protected_function_result& operator=(protected_function_result&& o) noexcept {
- L = o.L;
- index = o.index;
- returncount = o.returncount;
- popcount = o.popcount;
- err = o.err;
- // Must be manual, otherwise destructor will screw us
- // return count being 0 is enough to keep things clean
- // but we will be thorough
- o.L = nullptr;
- o.index = 0;
- o.returncount = 0;
- o.popcount = 0;
- o.err = call_status::runtime;
- return *this;
- }
-
- call_status status() const noexcept {
- return err;
- }
-
- bool valid() const noexcept {
- return status() == call_status::ok || status() == call_status::yielded;
- }
-
- template<typename T>
- decltype(auto) get() const {
- return tagged_get(types<meta::unqualified_t<T>>());
- }
-
- lua_State* lua_state() const noexcept { return L; };
- int stack_index() const noexcept { return index; };
-
- ~protected_function_result() {
- stack::remove(L, index, popcount);
- }
- };
-} // sol
-
-#endif // SOL_PROTECTED_FUNCTION_RESULT_HPP