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diff --git a/3rdparty/sol2/sol/bind_traits.hpp b/3rdparty/sol2/sol/bind_traits.hpp
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-// The MIT License (MIT)
-
-// Copyright (c) 2013-2016 Rappt1101010z, 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_BIND_TRAITS_HPP
-#define SOL_BIND_TRAITS_HPP
-
-#include "tuple.hpp"
-
-namespace sol {
- namespace meta {
- namespace meta_detail {
-
- template<class F>
- struct check_deducible_signature {
- struct nat {};
- template<class G>
- static auto test(int) -> decltype(&G::operator(), void());
- template<class>
- static auto test(...)->nat;
-
- using type = std::is_void<decltype(test<F>(0))>;
- };
- } // meta_detail
-
- template<class F>
- struct has_deducible_signature : meta_detail::check_deducible_signature<F>::type { };
-
- namespace meta_detail {
-
- template <std::size_t I, typename T>
- struct void_tuple_element : meta::tuple_element<I, T> {};
-
- template <std::size_t I>
- struct void_tuple_element<I, std::tuple<>> { typedef void type; };
-
- template <std::size_t I, typename T>
- using void_tuple_element_t = typename void_tuple_element<I, T>::type;
-
- template <bool has_c_variadic, typename T, typename R, typename... Args>
- struct basic_traits {
- private:
- typedef std::conditional_t<std::is_void<T>::value, int, T>& first_type;
-
- public:
- static const bool is_member_function = std::is_void<T>::value;
- static const bool has_c_var_arg = has_c_variadic;
- static const std::size_t arity = sizeof...(Args);
- static const std::size_t free_arity = sizeof...(Args)+static_cast<std::size_t>(!std::is_void<T>::value);
- typedef types<Args...> args_list;
- typedef std::tuple<Args...> args_tuple;
- typedef T object_type;
- typedef R return_type;
- typedef tuple_types<R> returns_list;
- typedef R(function_type)(Args...);
- typedef std::conditional_t<std::is_void<T>::value, args_list, types<first_type, Args...>> free_args_list;
- typedef std::conditional_t<std::is_void<T>::value, R(Args...), R(first_type, Args...)> free_function_type;
- typedef std::conditional_t<std::is_void<T>::value, R(*)(Args...), R(*)(first_type, Args...)> free_function_pointer_type;
- typedef std::remove_pointer_t<free_function_pointer_type> signature_type;
- template<std::size_t i>
- using arg_at = void_tuple_element_t<i, args_tuple>;
- };
-
- template<typename Signature, bool b = has_deducible_signature<Signature>::value>
- struct fx_traits : basic_traits<false, void, void> {};
-
- // Free Functions
- template<typename R, typename... Args>
- struct fx_traits<R(Args...), false> : basic_traits<false, void, R, Args...> {
- typedef R(*function_pointer_type)(Args...);
- };
-
- template<typename R, typename... Args>
- struct fx_traits<R(*)(Args...), false> : basic_traits<false, void, R, Args...> {
- typedef R(*function_pointer_type)(Args...);
- };
-
- template<typename R, typename... Args>
- struct fx_traits<R(Args..., ...), false> : basic_traits<true, void, R, Args...> {
- typedef R(*function_pointer_type)(Args..., ...);
- };
-
- template<typename R, typename... Args>
- struct fx_traits<R(*)(Args..., ...), false> : basic_traits<true, void, R, Args...> {
- typedef R(*function_pointer_type)(Args..., ...);
- };
-
- // Member Functions
- /* C-Style Variadics */
- template<typename T, typename R, typename... Args>
- struct fx_traits<R(T::*)(Args...), false> : basic_traits<false, T, R, Args...> {
- typedef R(T::* function_pointer_type)(Args...);
- };
-
- template<typename T, typename R, typename... Args>
- struct fx_traits<R(T::*)(Args..., ...), false> : basic_traits<true, T, R, Args...> {
- typedef R(T::* function_pointer_type)(Args..., ...);
- };
-
- /* Const Volatile */
- template<typename T, typename R, typename... Args>
- struct fx_traits<R(T::*)(Args...) const, false> : basic_traits<false, T, R, Args...> {
- typedef R(T::* function_pointer_type)(Args...) const;
- };
-
- template<typename T, typename R, typename... Args>
- struct fx_traits<R(T::*)(Args..., ...) const, false> : basic_traits<true, T, R, Args...> {
- typedef R(T::* function_pointer_type)(Args..., ...) const;
- };
-
- template<typename T, typename R, typename... Args>
- struct fx_traits<R(T::*)(Args...) const volatile, false> : basic_traits<false, T, R, Args...> {
- typedef R(T::* function_pointer_type)(Args...) const volatile;
- };
-
- template<typename T, typename R, typename... Args>
- struct fx_traits<R(T::*)(Args..., ...) const volatile, false> : basic_traits<true, T, R, Args...> {
- typedef R(T::* function_pointer_type)(Args..., ...) const volatile;
- };
-
- /* Member Function Qualifiers */
- template<typename T, typename R, typename... Args>
- struct fx_traits<R(T::*)(Args...) &, false> : basic_traits<false, T, R, Args...> {
- typedef R(T::* function_pointer_type)(Args...) &;
- };
-
- template<typename T, typename R, typename... Args>
- struct fx_traits<R(T::*)(Args..., ...) &, false> : basic_traits<true, T, R, Args...> {
- typedef R(T::* function_pointer_type)(Args..., ...) &;
- };
-
- template<typename T, typename R, typename... Args>
- struct fx_traits<R(T::*)(Args...) const &, false> : basic_traits<false, T, R, Args...> {
- typedef R(T::* function_pointer_type)(Args...) const &;
- };
-
- template<typename T, typename R, typename... Args>
- struct fx_traits<R(T::*)(Args..., ...) const &, false> : basic_traits<true, T, R, Args...> {
- typedef R(T::* function_pointer_type)(Args..., ...) const &;
- };
-
- template<typename T, typename R, typename... Args>
- struct fx_traits<R(T::*)(Args...) const volatile &, false> : basic_traits<false, T, R, Args...> {
- typedef R(T::* function_pointer_type)(Args...) const volatile &;
- };
-
- template<typename T, typename R, typename... Args>
- struct fx_traits<R(T::*)(Args..., ...) const volatile &, false> : basic_traits<true, T, R, Args...> {
- typedef R(T::* function_pointer_type)(Args..., ...) const volatile &;
- };
-
- template<typename T, typename R, typename... Args>
- struct fx_traits<R(T::*)(Args...) && , false> : basic_traits<false, T, R, Args...> {
- typedef R(T::* function_pointer_type)(Args...) && ;
- };
-
- template<typename T, typename R, typename... Args>
- struct fx_traits<R(T::*)(Args..., ...) && , false> : basic_traits<true, T, R, Args...> {
- typedef R(T::* function_pointer_type)(Args..., ...) && ;
- };
-
- template<typename T, typename R, typename... Args>
- struct fx_traits<R(T::*)(Args...) const &&, false> : basic_traits<false, T, R, Args...> {
- typedef R(T::* function_pointer_type)(Args...) const &&;
- };
-
- template<typename T, typename R, typename... Args>
- struct fx_traits<R(T::*)(Args..., ...) const &&, false> : basic_traits<true, T, R, Args...> {
- typedef R(T::* function_pointer_type)(Args..., ...) const &&;
- };
-
- template<typename T, typename R, typename... Args>
- struct fx_traits<R(T::*)(Args...) const volatile &&, false> : basic_traits<false, T, R, Args...> {
- typedef R(T::* function_pointer_type)(Args...) const volatile &&;
- };
-
- template<typename T, typename R, typename... Args>
- struct fx_traits<R(T::*)(Args..., ...) const volatile &&, false> : basic_traits<true, T, R, Args...> {
- typedef R(T::* function_pointer_type)(Args..., ...) const volatile &&;
- };
-
- template<typename Signature>
- struct fx_traits<Signature, true> : fx_traits<typename fx_traits<decltype(&Signature::operator())>::function_type, false> {};
-
- template<typename Signature, bool b = std::is_member_object_pointer<Signature>::value>
- struct callable_traits : fx_traits<std::decay_t<Signature>> {
-
- };
-
- template<typename R, typename T>
- struct callable_traits<R(T::*), true> {
- typedef R Arg;
- typedef T object_type;
- using signature_type = R(T::*);
- static const bool is_member_function = false;
- static const std::size_t arity = 1;
- static const std::size_t free_arity = 2;
- typedef std::tuple<Arg> args_tuple;
- typedef R return_type;
- typedef types<Arg> args_list;
- typedef types<T, Arg> free_args_list;
- typedef meta::tuple_types<R> returns_list;
- typedef R(function_type)(T&, R);
- typedef R(*function_pointer_type)(T&, R);
- typedef R(*free_function_pointer_type)(T&, R);
- template<std::size_t i>
- using arg_at = void_tuple_element_t<i, args_tuple>;
- };
- } // meta_detail
-
- template<typename Signature>
- struct bind_traits : meta_detail::callable_traits<Signature> {};
-
- template<typename Signature>
- using function_args_t = typename bind_traits<Signature>::args_list;
-
- template<typename Signature>
- using function_signature_t = typename bind_traits<Signature>::signature_type;
-
- template<typename Signature>
- using function_return_t = typename bind_traits<Signature>::return_type;
-
- } // meta
-} // sol
-
-#endif // SOL_BIND_TRAITS_HPP