From 1af8fd87d91e543fdb54cc24d378cf654610fb97 Mon Sep 17 00:00:00 2001
From: elsid <elsid.mail@gmail.com>
Date: Fri, 21 Feb 2025 19:28:01 +0100
Subject: [PATCH] Update sol3 to v3.5.0

To fix warning (silenced by 3b97af0ac417c6f5ee2d16fa4c2cab2885409352):

In file included from ../../../extern/sol3/sol/stack_check_get.hpp:28,
                 from ../../../extern/sol3/sol/stack.hpp:32,
                 from ../../../extern/sol3/sol/sol.hpp:52,
                 from ../../../components/lua/luastate.hpp:8,
                 from ../../../apps/openmw/mwlua/context.hpp:4,
                 from ../../../apps/openmw/mwlua/soundbindings.hpp:6,
                 from ../../../apps/openmw/mwlua/soundbindings.cpp:1:
In function 'OptionalType sol::stack::stack_detail::get_optional(lua_State*, int, Handler&&, sol::stack::record&) [with OptionalType = sol::optional<float>; T = float; Handler = int (*)(lua_State*, int, sol::type, sol::type, const char*) noexcept]',
    inlined from 'static Optional sol::stack::qualified_getter<Optional, typename std::enable_if<is_optional_v<Optional>, void>::type>::get(lua_State*, int, sol::stack::record&) [with Optional = sol::optional<float>]' at ../../../extern/sol3/sol/stack_check_get_qualified.hpp:133:50,
    inlined from 'decltype(auto) sol::stack::stack_detail::unchecked_get(lua_State*, int, sol::stack::record&) [with T = sol::optional<float>]' at ../../../extern/sol3/sol/stack_core.hpp:725:18,
    inlined from 'decltype (unchecked_get<T>(L, index, tracking)) sol::stack::get(lua_State*, int, record&) [with T = sol::optional<float>]' at ../../../extern/sol3/sol/stack_core.hpp:1186:41,
    inlined from 'decltype(auto) sol::stack::get(lua_State*, int) [with T = sol::optional<float>]' at ../../../extern/sol3/sol/stack_core.hpp:1193:17:
../../../extern/sol3/sol/stack_check_get_qualified.hpp:112:49: error: '*(float*)((char*)&<unnamed> + offsetof(sol::optional<float>,sol::optional<float>::<unnamed>.sol::detail::optional_move_assign_base<float, true>::<unnamed>.sol::detail::optional_copy_assign_base<float, true>::<unnamed>.sol::detail::optional_move_base<float, true>::<unnamed>.sol::detail::optional_copy_base<float, true>::<unnamed>.sol::detail::optional_operations_base<float>::<unnamed>.sol::detail::optional_storage_base<float, true>::<unnamed>))' may be used uninitialized [-Werror=maybe-uninitialized]
  112 |                                         return {};
      |                                                 ^
../../../extern/sol3/sol/stack_check_get_qualified.hpp: In function 'decltype(auto) sol::stack::get(lua_State*, int) [with T = sol::optional<float>]':
../../../extern/sol3/sol/stack_check_get_qualified.hpp:112:49: note: '<anonymous>' declared here
  112 |                                         return {};
      |                                                 ^
---
 extern/sol3/README.md                         |   4 +-
 extern/sol3/sol/abort.hpp                     |  47 ++++
 extern/sol3/sol/as_args.hpp                   |   2 +-
 extern/sol3/sol/as_returns.hpp                |   2 +-
 extern/sol3/sol/assert.hpp                    |  24 +--
 extern/sol3/sol/base_traits.hpp               |  35 ++-
 extern/sol3/sol/bind_traits.hpp               |  10 +-
 extern/sol3/sol/bytecode.hpp                  |   4 +-
 extern/sol3/sol/call.hpp                      |  32 +--
 extern/sol3/sol/compatibility.hpp             |  26 +--
 extern/sol3/sol/compatibility/compat-5.3.h    |  12 +-
 extern/sol3/sol/compatibility/compat-5.4.h    |  12 +-
 extern/sol3/sol/compatibility/lua_version.hpp |  99 +++++----
 extern/sol3/sol/config.hpp                    |  50 +++++
 extern/sol3/sol/coroutine.hpp                 |  12 +-
 extern/sol3/sol/debug.hpp                     |  13 +-
 extern/sol3/sol/demangle.hpp                  |   8 +-
 extern/sol3/sol/deprecate.hpp                 |   2 +-
 extern/sol3/sol/detail/build_version.hpp      |  64 +++---
 extern/sol3/sol/dump_handler.hpp              |   4 +-
 extern/sol3/sol/ebco.hpp                      |   3 +-
 extern/sol3/sol/environment.hpp               |  23 +-
 extern/sol3/sol/epilogue.hpp                  |   4 +-
 extern/sol3/sol/error.hpp                     |  27 ++-
 extern/sol3/sol/error_handler.hpp             |  27 ++-
 extern/sol3/sol/forward.hpp                   |  14 +-
 extern/sol3/sol/forward_as.hpp                |  44 ++++
 extern/sol3/sol/forward_detail.hpp            |   4 +-
 extern/sol3/sol/function.hpp                  |   2 +-
 extern/sol3/sol/function_result.hpp           |   2 +-
 extern/sol3/sol/function_types.hpp            |  14 +-
 extern/sol3/sol/function_types_core.hpp       |   2 +-
 extern/sol3/sol/function_types_overloaded.hpp |   4 +-
 extern/sol3/sol/function_types_stateful.hpp   |   6 +-
 extern/sol3/sol/function_types_stateless.hpp  |  28 +--
 extern/sol3/sol/function_types_templated.hpp  |   4 +-
 extern/sol3/sol/in_place.hpp                  |   2 +-
 extern/sol3/sol/inheritance.hpp               |   2 +-
 extern/sol3/sol/load_result.hpp               |  16 +-
 extern/sol3/sol/lua_table.hpp                 |  10 +-
 extern/sol3/sol/lua_value.hpp                 |   4 +-
 extern/sol3/sol/make_reference.hpp            |   2 +-
 extern/sol3/sol/metatable.hpp                 |  10 +-
 extern/sol3/sol/object.hpp                    |   2 +-
 extern/sol3/sol/object_base.hpp               |   2 +-
 extern/sol3/sol/optional.hpp                  |  12 +-
 extern/sol3/sol/optional_implementation.hpp   |  14 +-
 extern/sol3/sol/overload.hpp                  |   4 +-
 extern/sol3/sol/packaged_coroutine.hpp        |  12 +-
 extern/sol3/sol/pairs_iterator.hpp            |   2 +-
 extern/sol3/sol/pointer_like.hpp              |   3 +-
 extern/sol3/sol/policies.hpp                  |   2 +-
 extern/sol3/sol/prologue.hpp                  |   6 +-
 extern/sol3/sol/property.hpp                  |   2 +-
 extern/sol3/sol/protect.hpp                   |   2 +-
 extern/sol3/sol/protected_function.hpp        |  20 +-
 extern/sol3/sol/protected_function_result.hpp |  25 ++-
 extern/sol3/sol/protected_handler.hpp         |   4 +-
 extern/sol3/sol/proxy_base.hpp                |   2 +-
 extern/sol3/sol/raii.hpp                      |   2 +-
 extern/sol3/sol/reference.hpp                 |  14 +-
 extern/sol3/sol/resolve.hpp                   |   2 +-
 extern/sol3/sol/sol.hpp                       |  18 +-
 extern/sol3/sol/stack.hpp                     |  47 +++-
 extern/sol3/sol/stack/detail/pairs.hpp        |   4 +-
 extern/sol3/sol/stack_check.hpp               |   2 +-
 extern/sol3/sol/stack_check_get.hpp           |   2 +-
 extern/sol3/sol/stack_check_get_qualified.hpp |  21 +-
 .../sol3/sol/stack_check_get_unqualified.hpp  |   8 +-
 extern/sol3/sol/stack_check_qualified.hpp     |   2 +-
 extern/sol3/sol/stack_check_unqualified.hpp   | 131 ++++++++++--
 extern/sol3/sol/stack_core.hpp                |  48 ++---
 extern/sol3/sol/stack_field.hpp               |   2 +-
 extern/sol3/sol/stack_get.hpp                 |   2 +-
 extern/sol3/sol/stack_get_qualified.hpp       |   2 +-
 extern/sol3/sol/stack_get_unqualified.hpp     |  99 ++++-----
 extern/sol3/sol/stack_guard.hpp               |   4 +-
 extern/sol3/sol/stack_iterator.hpp            |   2 +-
 extern/sol3/sol/stack_pop.hpp                 |   2 +-
 extern/sol3/sol/stack_probe.hpp               |   4 +-
 extern/sol3/sol/stack_proxy.hpp               |   2 +-
 extern/sol3/sol/stack_proxy_base.hpp          |   2 +-
 extern/sol3/sol/stack_push.hpp                | 107 +++++-----
 extern/sol3/sol/stack_reference.hpp           |   6 +-
 extern/sol3/sol/state.hpp                     |   2 +-
 extern/sol3/sol/state_handling.hpp            |  18 +-
 extern/sol3/sol/state_view.hpp                |  18 +-
 extern/sol3/sol/string_view.hpp               |   2 +-
 extern/sol3/sol/table.hpp                     |   2 +-
 extern/sol3/sol/table_core.hpp                |  12 +-
 extern/sol3/sol/table_iterator.hpp            |   2 +-
 extern/sol3/sol/table_proxy.hpp               |  22 +-
 extern/sol3/sol/thread.hpp                    |  12 +-
 extern/sol3/sol/tie.hpp                       |   2 +-
 extern/sol3/sol/traits.hpp                    |  39 ++--
 extern/sol3/sol/trampoline.hpp                |  25 +--
 extern/sol3/sol/tuple.hpp                     |   2 +-
 extern/sol3/sol/types.hpp                     |  97 +++++++--
 extern/sol3/sol/unique_usertype_traits.hpp    |   2 +-
 extern/sol3/sol/unreachable.hpp               |  37 ++++
 extern/sol3/sol/unsafe_function.hpp           |  10 +-
 extern/sol3/sol/unsafe_function_result.hpp    |   8 +-
 extern/sol3/sol/userdata.hpp                  |  18 +-
 extern/sol3/sol/usertype.hpp                  |   2 +-
 extern/sol3/sol/usertype_container.hpp        |  90 +++++---
 extern/sol3/sol/usertype_container_launch.hpp |   2 +-
 extern/sol3/sol/usertype_core.hpp             |   4 +-
 extern/sol3/sol/usertype_proxy.hpp            |   2 +-
 extern/sol3/sol/usertype_storage.hpp          |  10 +-
 extern/sol3/sol/usertype_traits.hpp           |   2 +-
 extern/sol3/sol/utility/is_integer.hpp        |  43 ++++
 extern/sol3/sol/utility/to_string.hpp         |  59 +++++
 extern/sol3/sol/variadic_args.hpp             |   2 +-
 extern/sol3/sol/variadic_results.hpp          |   2 +-
 extern/sol3/sol/version.hpp                   | 202 ++++++++++--------
 extern/sol3/sol/wrapper.hpp                   |   4 +-
 116 files changed, 1407 insertions(+), 712 deletions(-)
 create mode 100644 extern/sol3/sol/abort.hpp
 create mode 100644 extern/sol3/sol/config.hpp
 create mode 100644 extern/sol3/sol/forward_as.hpp
 create mode 100644 extern/sol3/sol/unreachable.hpp
 create mode 100644 extern/sol3/sol/utility/is_integer.hpp
 create mode 100644 extern/sol3/sol/utility/to_string.hpp

diff --git a/extern/sol3/README.md b/extern/sol3/README.md
index 202b2ca08b..c68f64b5d3 100644
--- a/extern/sol3/README.md
+++ b/extern/sol3/README.md
@@ -1,5 +1,3 @@
-The code in this directory is copied from https://github.com/ThePhD/sol2.git (64096348465b980e2f1d0e5ba9cbeea8782e8f27)
-
-Additional changes include cherry-picking upstream commit d805d027e0a0a7222e936926139f06e23828ce9f to fix compilation under Clang 19.
+The code in this directory is copied from https://github.com/ThePhD/sol2.git (9190880c593dfb018ccf5cc9729ab87739709862)
 
 License: MIT
diff --git a/extern/sol3/sol/abort.hpp b/extern/sol3/sol/abort.hpp
new file mode 100644
index 0000000000..692244daa7
--- /dev/null
+++ b/extern/sol3/sol/abort.hpp
@@ -0,0 +1,47 @@
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 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_ABORT_HPP
+#define SOL_ABORT_HPP
+
+#include <sol/version.hpp>
+
+#include <sol/base_traits.hpp>
+
+#include <cstdlib>
+
+// clang-format off
+#if SOL_IS_ON(SOL_DEBUG_BUILD)
+	#if SOL_IS_ON(SOL_COMPILER_VCXX)
+		#define SOL_DEBUG_ABORT() \
+			if (true) { ::std::abort(); } \
+			static_assert(true, "")
+	#else
+		#define SOL_DEBUG_ABORT() ::std::abort()
+	#endif
+#else
+	#define SOL_DEBUG_ABORT() static_assert(true, "")
+#endif
+// clang-format on
+
+#endif // SOL_ABORT_HPP
diff --git a/extern/sol3/sol/as_args.hpp b/extern/sol3/sol/as_args.hpp
index 5afe78b0e4..719a3cdc99 100644
--- a/extern/sol3/sol/as_args.hpp
+++ b/extern/sol3/sol/as_args.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/as_returns.hpp b/extern/sol3/sol/as_returns.hpp
index 0ac499e67d..982f408b71 100644
--- a/extern/sol3/sol/as_returns.hpp
+++ b/extern/sol3/sol/as_returns.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/assert.hpp b/extern/sol3/sol/assert.hpp
index e46b9f122a..fbe2175a2c 100644
--- a/extern/sol3/sol/assert.hpp
+++ b/extern/sol3/sol/assert.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -28,7 +28,7 @@
 
 #include <sol/forward.hpp>
 
-#if SOL_IS_ON(SOL2_CI_I_)
+#if SOL_IS_ON(SOL2_CI)
 
 struct pre_main {
 	pre_main() {
@@ -43,15 +43,15 @@ struct pre_main {
 
 // clang-format off
 
-#if SOL_IS_ON(SOL_USER_C_ASSERT_I_)
-	#define sol_c_assert(...) SOL_C_ASSERT(__VA_ARGS__)
+#if SOL_IS_ON(SOL_USER_ASSERT)
+	#define SOL_ASSERT(...) SOL_C_ASSERT(__VA_ARGS__)
 #else
-	#if SOL_IS_ON(SOL_DEBUG_BUILD_I_)
+	#if SOL_IS_ON(SOL_DEBUG_BUILD)
 		#include <exception>
 		#include <iostream>
 		#include <cstdlib>
 
-			#define sol_c_assert(...)                                                                                               \
+			#define SOL_ASSERT(...)                                                                                               \
 				do {                                                                                                               \
 					if (!(__VA_ARGS__)) {                                                                                           \
 						std::cerr << "Assertion `" #__VA_ARGS__ "` failed in " << __FILE__ << " line " << __LINE__ << std::endl; \
@@ -59,7 +59,7 @@ struct pre_main {
 					}                                                                                                             \
 				} while (false)
 	#else
-		#define sol_c_assert(...)           \
+		#define SOL_ASSERT(...)           \
 			do {                           \
 				if (false) {              \
 					(void)(__VA_ARGS__); \
@@ -68,15 +68,15 @@ struct pre_main {
 	#endif
 #endif
 
-#if SOL_IS_ON(SOL_USER_M_ASSERT_I_)
-	#define sol_m_assert(message, ...) SOL_M_ASSERT(message, __VA_ARGS__)
+#if SOL_IS_ON(SOL_USER_ASSERT_MSG)
+	#define SOL_ASSERT_MSG(message, ...) SOL_ASSERT_MSG(message, __VA_ARGS__)
 #else
-	#if SOL_IS_ON(SOL_DEBUG_BUILD_I_)
+	#if SOL_IS_ON(SOL_DEBUG_BUILD)
 		#include <exception>
 		#include <iostream>
 		#include <cstdlib>
 
-		#define sol_m_assert(message, ...)                                                                                                         \
+		#define SOL_ASSERT_MSG(message, ...)                                                                                                         \
 			do {                                                                                                                                  \
 				if (!(__VA_ARGS__)) {                                                                                                              \
 					std::cerr << "Assertion `" #__VA_ARGS__ "` failed in " << __FILE__ << " line " << __LINE__ << ": " << message << std::endl; \
@@ -84,7 +84,7 @@ struct pre_main {
 				}                                                                                                                                \
 			} while (false)
 	#else
-		#define sol_m_assert(message, ...)    \
+		#define SOL_ASSERT_MSG(message, ...)    \
 			do {                             \
 				if (false) {                \
 					(void)(__VA_ARGS__);   \
diff --git a/extern/sol3/sol/base_traits.hpp b/extern/sol3/sol/base_traits.hpp
index a28f23a74c..d7b4965c70 100644
--- a/extern/sol3/sol/base_traits.hpp
+++ b/extern/sol3/sol/base_traits.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -62,6 +62,39 @@ namespace sol {
 		template <template <class...> class Trait, class... Args>
 		constexpr inline bool is_detected_v = is_detected<Trait, Args...>::value;
 
+		template <typename _Default, typename _Void, template <typename...> typename _Op, typename... _Args>
+		class detector {
+		public:
+			using value_t = ::std::false_type;
+			using type = _Default;
+		};
+
+		template <typename _Default, template <typename...> typename _Op, typename... _Args>
+		class detector<_Default, void_t<_Op<_Args...>>, _Op, _Args...> {
+		public:
+			using value_t = ::std::true_type;
+			using type = _Op<_Args...>;
+		};
+
+		class nonesuch {
+		public:
+			~nonesuch() = delete;
+			nonesuch(nonesuch const&) = delete;
+			nonesuch& operator=(nonesuch const&) = delete;
+		};
+
+		template <template <typename...> typename _Op, typename... _Args>
+		using detected_t = typename detector<nonesuch, void, _Op, _Args...>::type;
+
+		template <typename _Default, template <typename...> typename _Op, typename... _Args>
+		using detected_or = detector<_Default, void, _Op, _Args...>;
+
+		template <typename _Default, template <typename...> typename _Op, typename... _Args>
+		using detected_or_t = typename detector<_Default, void, _Op, _Args...>::type;
+
+		template <typename _Default, template <typename...> typename _Op, typename... _Args>
+		constexpr inline bool detected_or_v = detector<_Default, void, _Op, _Args...>::value;
+
 		template <std::size_t I>
 		using index_value = std::integral_constant<std::size_t, I>;
 
diff --git a/extern/sol3/sol/bind_traits.hpp b/extern/sol3/sol/bind_traits.hpp
index e11d753d10..a85bba61a1 100644
--- a/extern/sol3/sol/bind_traits.hpp
+++ b/extern/sol3/sol/bind_traits.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -31,7 +31,7 @@
 namespace sol { namespace meta {
 	namespace meta_detail {
 		template <typename F>
-		using detect_deducible_signature = decltype(&F::operator(), void());
+		using detect_deducible_signature = decltype(&F::operator());
 	} // namespace meta_detail
 
 	template <typename F>
@@ -196,7 +196,7 @@ namespace sol { namespace meta {
 			typedef R (T::*function_pointer_type)(Args..., ...) const volatile&&;
 		};
 
-#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_)
+#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE)
 
 		template <typename R, typename... Args>
 		struct fx_traits<R(Args...) noexcept, false> : public basic_traits<true, false, void, R, Args...> {
@@ -311,7 +311,7 @@ namespace sol { namespace meta {
 
 #endif // noexcept is part of a function's type
 
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_) && SOL_IS_ON(SOL_PLATFORM_X86_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX) && SOL_IS_ON(SOL_PLATFORM_X86)
 		template <typename R, typename... Args>
 		struct fx_traits<R __stdcall(Args...), false> : public basic_traits<false, false, void, R, Args...> {
 			typedef R(__stdcall* function_pointer_type)(Args...);
@@ -369,7 +369,7 @@ namespace sol { namespace meta {
 			typedef R (__stdcall T::*function_pointer_type)(Args...) const volatile&&;
 		};
 
-#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_)
+#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE)
 
 		template <typename R, typename... Args>
 		struct fx_traits<R __stdcall(Args...) noexcept, false> : public basic_traits<true, false, void, R, Args...> {
diff --git a/extern/sol3/sol/bytecode.hpp b/extern/sol3/sol/bytecode.hpp
index 1b8c905b6f..fcbb629fcd 100644
--- a/extern/sol3/sol/bytecode.hpp
+++ b/extern/sol3/sol/bytecode.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -99,7 +99,7 @@ namespace sol {
 		using storage_t = Container;
 		const std::byte* p_code = static_cast<const std::byte*>(memory);
 		storage_t& bc = *static_cast<storage_t*>(userdata_pointer);
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
+#if SOL_IS_OFF(SOL_EXCEPTIONS)
 		bc.insert(bc.cend(), p_code, p_code + memory_size);
 #else
 		try {
diff --git a/extern/sol3/sol/call.hpp b/extern/sol3/sol/call.hpp
index d06cf96f86..a02ea9980e 100644
--- a/extern/sol3/sol/call.hpp
+++ b/extern/sol3/sol/call.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -54,7 +54,7 @@ namespace sol {
 				lua_createtable(L, static_cast<int>(sizeof...(In)), 0);
 				stack_reference deps(L, -1);
 				auto per_dep = [&L, &deps](int i) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 					luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 					lua_pushvalue(L, i);
@@ -79,7 +79,7 @@ namespace sol {
 			}
 			lua_createtable(L, static_cast<int>(sdeps.size()), 0);
 			stack_reference deps(L, -1);
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, static_cast<int>(sdeps.size()), detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			for (std::size_t i = 0; i < sdeps.size(); ++i) {
@@ -429,7 +429,7 @@ namespace sol {
 			}
 		};
 
-#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_)
+#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE)
 		template <bool is_index, bool is_variable, bool checked, int boost, bool clean_stack, typename C>
 		struct agnostic_lua_call_wrapper<detail::lua_CFunction_noexcept, is_index, is_variable, checked, boost, clean_stack, C> {
 			static int call(lua_State* L, detail::lua_CFunction_noexcept f) {
@@ -478,12 +478,13 @@ namespace sol {
 					using object_type = typename wrap::object_type;
 					if constexpr (sizeof...(Args) < 1) {
 						using Ta = meta::conditional_t<std::is_void_v<T>, object_type, T>;
-						static_assert(std::is_base_of_v<object_type, Ta>,
+						static_assert(std::is_same_v<object_type, Ta> || std::is_base_of_v<object_type, Ta>,
 						     "It seems like you might have accidentally bound a class type with a member function method that does not correspond to the "
 						     "class. For example, there could be a small type in your new_usertype<T>(...) binding, where you specify one class \"T\" "
 						     "but then bind member methods from a complete unrelated class. Check things over!");
-#if SOL_IS_ON(SOL_SAFE_USERTYPE_I_)
-						auto maybeo = stack::check_get<Ta*>(L, 1);
+#if SOL_IS_ON(SOL_SAFE_USERTYPE)
+						stack::record tracking {};
+						auto maybeo = stack::stack_detail::check_get_arg<Ta*>(L, 1, &no_panic, tracking);
 						if (!maybeo || maybeo.value() == nullptr) {
 							return luaL_error(L,
 							     "sol: received nil for 'self' argument (use ':' for accessing member functions, make sure member variables are "
@@ -511,12 +512,13 @@ namespace sol {
 					if constexpr (is_index) {
 						if constexpr (sizeof...(Args) < 1) {
 							using Ta = meta::conditional_t<std::is_void_v<T>, object_type, T>;
-							static_assert(std::is_base_of_v<object_type, Ta>,
+							static_assert(std::is_same_v<object_type, Ta> || std::is_base_of_v<object_type, Ta>,
 							     "It seems like you might have accidentally bound a class type with a member function method that does not correspond "
 							     "to the class. For example, there could be a small type in your new_usertype<T>(...) binding, where you specify one "
 							     "class \"T\" but then bind member methods from a complete unrelated class. Check things over!");
-#if SOL_IS_ON(SOL_SAFE_USERTYPE_I_)
-							auto maybeo = stack::check_get<Ta*>(L, 1);
+#if SOL_IS_ON(SOL_SAFE_USERTYPE)
+							stack::record tracking {};
+							auto maybeo = stack::stack_detail::check_get_arg<Ta*>(L, 1, &no_panic, tracking);
 							if (!maybeo || maybeo.value() == nullptr) {
 								if (is_variable) {
 									return luaL_error(L, "sol: 'self' argument is lua_nil (bad '.' access?)");
@@ -573,8 +575,9 @@ namespace sol {
 								}
 								else {
 									using Ta = meta::conditional_t<std::is_void_v<T>, object_type, T>;
-#if SOL_IS_ON(SOL_SAFE_USERTYPE_I_)
-									auto maybeo = stack::check_get<Ta*>(L, 1);
+#if SOL_IS_ON(SOL_SAFE_USERTYPE)
+								stack::record tracking {};
+								auto maybeo = stack::stack_detail::check_get_arg<Ta*>(L, 1, &no_panic, tracking);
 									if (!maybeo || maybeo.value() == nullptr) {
 										if (is_variable) {
 											return luaL_error(L, "sol: received nil for 'self' argument (bad '.' access?)");
@@ -811,8 +814,9 @@ namespace sol {
 						using args_list = meta::pop_front_type_t<typename traits_type::free_args_list>;
 						using Ta = T;
 						using Oa = std::remove_pointer_t<object_type>;
-#if SOL_IS_ON(SOL_SAFE_USERTYPE_I_)
-						auto maybeo = stack::check_get<Ta*>(L, 1);
+#if SOL_IS_ON(SOL_SAFE_USERTYPE)
+						stack::record tracking {};
+						auto maybeo = stack::stack_detail::check_get_arg<Ta*>(L, 1, &no_panic, tracking);
 						if (!maybeo || maybeo.value() == nullptr) {
 							if (is_variable) {
 								return luaL_error(L, "sol: 'self' argument is lua_nil (bad '.' access?)");
diff --git a/extern/sol3/sol/compatibility.hpp b/extern/sol3/sol/compatibility.hpp
index d2d01bd7c9..987e06cb43 100644
--- a/extern/sol3/sol/compatibility.hpp
+++ b/extern/sol3/sol/compatibility.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -32,20 +32,20 @@
 #include <sol/version.hpp>
 #include <sol/compatibility/lua_version.hpp>
 
-#if SOL_IS_ON(SOL_USE_COMPATIBILITY_LAYER_I_)
+#if SOL_IS_ON(SOL_USE_COMPATIBILITY_LAYER)
 
-#if SOL_IS_ON(SOL_USE_CXX_LUA_I_) || SOL_IS_ON(SOL_USE_CXX_LUAJIT_I_)
-#ifndef COMPAT53_LUA_CPP
-#define COMPAT53_LUA_CPP 1
-#endif // Build Lua Compat layer as C++
+// clang-format off
+#if SOL_IS_ON(SOL_USING_CXX_LUA) || SOL_IS_ON(SOL_USING_CXX_LUAJIT)
+	#ifndef COMPAT53_LUA_CPP
+		#define COMPAT53_LUA_CPP 1
+	#endif // Build Lua Compat layer as C++
 #endif
-#ifndef COMPAT53_INCLUDE_SOURCE
-#define COMPAT53_INCLUDE_SOURCE 1
-#endif // Build Compat Layer Inline
-
-#include <sol/compatibility/compat-5.3.h>
-#include <sol/compatibility/compat-5.4.h>
-
+	#ifndef COMPAT53_INCLUDE_SOURCE
+		#define COMPAT53_INCLUDE_SOURCE 1
+	#endif // Build Compat Layer Inline
+	#include <sol/compatibility/compat-5.3.h>
+	#include <sol/compatibility/compat-5.4.h>
 #endif
+// clang-format on
 
 #endif // SOL_COMPATIBILITY_HPP
diff --git a/extern/sol3/sol/compatibility/compat-5.3.h b/extern/sol3/sol/compatibility/compat-5.3.h
index ea232d2c4e..bd1a004c83 100644
--- a/extern/sol3/sol/compatibility/compat-5.3.h
+++ b/extern/sol3/sol/compatibility/compat-5.3.h
@@ -7,9 +7,15 @@
 #if defined(__cplusplus) && !defined(COMPAT53_LUA_CPP)
 extern "C" {
 #endif
-#include <lua.h>
-#include <lauxlib.h>
-#include <lualib.h>
+#if __has_include(<lua/lua.h>)
+  #include <lua/lua.h>
+  #include <lua/lauxlib.h>
+  #include <lua/lualib.h>
+#else
+  #include <lua.h>
+  #include <lauxlib.h>
+  #include <lualib.h>
+#endif
 #if defined(__cplusplus) && !defined(COMPAT53_LUA_CPP)
 }
 #endif
diff --git a/extern/sol3/sol/compatibility/compat-5.4.h b/extern/sol3/sol/compatibility/compat-5.4.h
index a1ccc2ad5f..f0d348f2e8 100644
--- a/extern/sol3/sol/compatibility/compat-5.4.h
+++ b/extern/sol3/sol/compatibility/compat-5.4.h
@@ -4,9 +4,15 @@
 #if defined(__cplusplus) && !defined(COMPAT53_LUA_CPP)
 extern "C" {
 #endif
-#include <lua.h>
-#include <lauxlib.h>
-#include <lualib.h>
+#if __has_include(<lua/lua.h>)
+  #include <lua/lua.h>
+  #include <lua/lauxlib.h>
+  #include <lua/lualib.h>
+#else
+  #include <lua.h>
+  #include <lauxlib.h>
+  #include <lualib.h>
+#endif
 #if defined(__cplusplus) && !defined(COMPAT53_LUA_CPP)
 }
 #endif
diff --git a/extern/sol3/sol/compatibility/lua_version.hpp b/extern/sol3/sol/compatibility/lua_version.hpp
index 2101160003..6d0cfc09cc 100644
--- a/extern/sol3/sol/compatibility/lua_version.hpp
+++ b/extern/sol3/sol/compatibility/lua_version.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -21,24 +21,40 @@
 // 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_COMPATIBILITY_VERSION_HPP
-#define SOL_COMPATIBILITY_VERSION_HPP
+#ifndef SOL_COMPATIBILITY_LUA_VERSION_HPP
+#define SOL_COMPATIBILITY_LUA_VERSION_HPP
 
 #include <sol/version.hpp>
 
 // clang-format off
 
-#if SOL_IS_ON(SOL_USE_CXX_LUA_I_)
-	#include <lua.h>
-	#include <lualib.h>
-	#include <lauxlib.h>
-#elif SOL_IS_ON(SOL_USE_LUA_HPP_I_)
-	#include <lua.hpp>
-#else
-	extern "C" {
+#if SOL_IS_ON(SOL_USING_CXX_LUA)
+	#if __has_include(<lua/lua.h>)
+		#include <lua/lua.h>
+		#include <lua/lauxlib.h>
+		#include <lua/lualib.h>
+	#else
 		#include <lua.h>
 		#include <lauxlib.h>
 		#include <lualib.h>
+	#endif
+#elif SOL_IS_ON(SOL_USE_LUA_HPP)
+	#if __has_include(<lua/lua.hpp>)
+		#include <lua/lua.hpp>
+	#else
+		#include <lua.hpp>
+	#endif
+#else
+	extern "C" {
+		#if __has_include(<lua/lua.h>)
+			#include <lua/lua.h>
+			#include <lua/lauxlib.h>
+			#include <lua/lualib.h>
+		#else
+			#include <lua.h>
+			#include <lauxlib.h>
+			#include <lualib.h>
+		#endif
 	}
 #endif // C++ Mangling for Lua vs. Not
 
@@ -50,13 +66,15 @@
 	#endif
 #elif defined(LUAJIT_VERSION)
 	#define SOL_USE_LUAJIT_I_ SOL_ON
+#elif SOL_IS_ON(SOL_USING_CXX_LUAJIT)
+	#define SOL_USE_LUAJIT_I_ SOL_ON
 #else
 	#define SOL_USE_LUAJIT_I_ SOL_DEFAULT_OFF
 #endif // luajit
 
-#if SOL_IS_ON(SOL_USE_CXX_LUAJIT_I_)
+#if SOL_IS_ON(SOL_USING_CXX_LUAJIT)
 	#include <luajit.h>
-#elif SOL_IS_ON(SOL_USE_LUAJIT_I_)
+#elif SOL_IS_ON(SOL_USE_LUAJIT)
 	extern "C" {
 		#include <luajit.h>
 	}
@@ -64,7 +82,7 @@
 
 #if defined(SOL_LUAJIT_VERSION)
 	#define SOL_LUAJIT_VERSION_I_ SOL_LUAJIT_VERSION
-#elif SOL_IS_ON(SOL_USE_LUAJIT_I_)
+#elif SOL_IS_ON(SOL_USE_LUAJIT)
 	#define SOL_LUAJIT_VERSION_I_ LUAJIT_VERSION_NUM
 #else
 	#define SOL_LUAJIT_VERSION_I_ 0
@@ -118,21 +136,25 @@
 	#else
 		#define SOL_PROPAGATE_EXCEPTIONS_I_ SOL_OFF
 	#endif
-#elif SOL_LUAJIT_VERSION_I_ >= 20100
-	// LuaJIT 2.1.0-beta3 and better have exception support locked in for all platforms (mostly)
-	#define SOL_PROPAGATE_EXCEPTIONS_I_ SOL_DEFAULT_ON
-#elif SOL_LUAJIT_VERSION_I_ >= 20000
-	// LuaJIT 2.0.x have exception support only on x64 builds
-	#if SOL_IS_ON(SOL_PLATFORM_X64_I_)
-		#define SOL_PROPAGATE_EXCEPTIONS_I_ SOL_DEFAULT_ON
-	#else
-		#define SOL_PROPAGATE_EXCEPTIONS_I_ SOL_OFF
-	#endif
 #else
-	// otherwise, there is no exception safety for
-	// shoving exceptions through Lua and errors should
-	// always be serialized
-	#define SOL_PROPAGATE_EXCEPTIONS_I_ SOL_DEFAULT_OFF
+	#if SOL_IS_ON(SOL_USE_LUAJIT)
+		#if SOL_USE(SOL_LUAJIT_VERSION) >= 20100
+			// LuaJIT 2.1.0-beta3 and better have exception support locked in for all platforms (mostly)
+			#define SOL_PROPAGATE_EXCEPTIONS_I_ SOL_DEFAULT_ON
+		#elif SOL_USE(SOL_LUAJIT_VERSION) >= 20000
+			// LuaJIT 2.0.x have exception support only on x64 builds
+			#if SOL_IS_ON(SOL_PLATFORM_X64)
+				#define SOL_PROPAGATE_EXCEPTIONS_I_ SOL_DEFAULT_ON
+			#else
+				#define SOL_PROPAGATE_EXCEPTIONS_I_ SOL_DEFAULT_OFF
+			#endif
+		#endif
+	#else
+		// otherwise, there is no exception safety for
+		// shoving exceptions through Lua and errors should
+		// always be serialized
+		#define SOL_PROPAGATE_EXCEPTIONS_I_ SOL_DEFAULT_OFF
+	#endif
 #endif
 
 // Some configurations work with exceptions,
@@ -144,13 +166,14 @@
 		#define SOL_EXCEPTIONS_CATCH_ALL_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_ON(SOL_USE_LUAJIT_I_)
+	#if SOL_IS_ON(SOL_USE_LUAJIT) || SOL_IS_ON(SOL_USING_CXX_LUAJIT)
 		#define SOL_EXCEPTIONS_CATCH_ALL_I_ SOL_DEFAULT_OFF
-	#elif SOL_IS_ON(SOL_USE_CXX_LUAJIT_I_)
-		#define SOL_EXCEPTIONS_CATCH_ALL_I_ SOL_DEFAULT_OFF
-	#elif SOL_IS_ON(SOL_USE_CXX_LUA_I_)
+	#elif SOL_IS_ON(SOL_USING_CXX_LUA)
+		// C++ builds of Lua will throw an exception to implement its `yield` behavior;
+		// it is irresponsible to "catch all" on this setting.
 		#define SOL_EXCEPTIONS_CATCH_ALL_I_ SOL_DEFAULT_OFF
 	#else
+		// Otherwise, by default, everyhting should be caught.
 		#define SOL_EXCEPTIONS_CATCH_ALL_I_ SOL_DEFAULT_ON
 	#endif
 #endif
@@ -162,7 +185,7 @@
 		#define SOL_USE_LUAJIT_EXCEPTION_TRAMPOLINE_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_OFF(SOL_PROPAGATE_EXCEPTIONS_I_) && SOL_IS_ON(SOL_USE_LUAJIT_I_)
+	#if SOL_IS_OFF(SOL_PROPAGATE_EXCEPTIONS) && SOL_IS_ON(SOL_USE_LUAJIT)
 		#define SOL_USE_LUAJIT_EXCEPTION_TRAMPOLINE_I_ SOL_ON
 	#else
 		#define SOL_USE_LUAJIT_EXCEPTION_TRAMPOLINE_I_ SOL_DEFAULT_OFF
@@ -176,7 +199,7 @@
 		#define SOL_LUAL_STREAM_USE_CLOSE_FUNCTION_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_OFF(SOL_USE_LUAJIT_I_) && (SOL_LUA_VERSION > 501)
+	#if SOL_IS_OFF(SOL_USE_LUAJIT) && (SOL_LUA_VERSION > 501)
 		#define SOL_LUAL_STREAM_USE_CLOSE_FUNCTION_I_ SOL_ON
 	#else
 		#define SOL_LUAL_STREAM_USE_CLOSE_FUNCTION_I_ SOL_DEFAULT_OFF
@@ -192,7 +215,11 @@
 #else
 	// Lua 5.2 only (deprecated in 5.3 (503)) (Can be turned on with Compat flags)
 	// Lua 5.2, or other versions of Lua with the compat flag, or Lua that is not 5.2 with the specific define (5.4.1 either removed it entirely or broke it)
-	#if (SOL_LUA_VERSION_I_ == 502) || (defined(LUA_COMPAT_BITLIB) && (LUA_COMPAT_BITLIB != 0)) || (SOL_LUA_VERSION_I_ < 504 && (defined(LUA_COMPAT_5_2) && (LUA_COMPAT_5_2 != 0)))
+	#if (SOL_LUA_VERSION_I_ == 502)
+		#define SOL_LUA_BIT32_LIB_I_ SOL_ON
+	#elif defined(LUA_COMPAT_BITLIB)
+		#define SOL_LUA_BIT32_LIB_I_ SOL_ON
+	#elif (SOL_LUA_VERSION_I_ < 504 && defined(LUA_COMPAT_5_2))
 		#define SOL_LUA_BIT32_LIB_I_ SOL_ON
 	#else
 		#define SOL_LUA_BIT32_LIB_I_ SOL_DEFAULT_OFF
@@ -215,4 +242,4 @@
 
 // clang-format on
 
-#endif // SOL_COMPATIBILITY_VERSION_HPP
+#endif // SOL_COMPATIBILITY_LUA_VERSION_HPP
diff --git a/extern/sol3/sol/config.hpp b/extern/sol3/sol/config.hpp
new file mode 100644
index 0000000000..e341ba1953
--- /dev/null
+++ b/extern/sol3/sol/config.hpp
@@ -0,0 +1,50 @@
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 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_CONFIG_HPP
+#define SOL_CONFIG_HPP
+
+/* Base, empty configuration file!
+
+     To override, place a file in your include paths of the form:
+
+
+. (your include path here)
+| sol (directory, or equivalent)
+  | config.hpp (your config.hpp file)
+
+
+     So that when sol2 includes the file
+
+
+#include <sol/config.hpp>
+
+
+     it gives you the configuration values you desire. Configuration values can be
+seen in the safety.rst of the doc/src, or at
+https://sol2.readthedocs.io/en/latest/safety.html ! You can also pass them through
+the build system, or the command line options of your compiler.
+
+*/
+
+#endif // SOL_CONFIG_HPP
diff --git a/extern/sol3/sol/coroutine.hpp b/extern/sol3/sol/coroutine.hpp
index e4b9d81413..1698eb9139 100644
--- a/extern/sol3/sol/coroutine.hpp
+++ b/extern/sol3/sol/coroutine.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -94,7 +94,7 @@ namespace sol {
 		          meta::neg<std::is_same<lua_nil_t, meta::unqualified_t<T>>>, is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_coroutine(T&& r) noexcept
 		: base_t(std::forward<T>(r)), m_error_handler(detail::get_default_handler<reference, is_main_threaded<base_t>::value>(r.lua_state())) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			if (!is_function<meta::unqualified_t<T>>::value) {
 				auto pp = stack::push_pop(*this);
 				constructor_handler handler {};
@@ -157,7 +157,7 @@ namespace sol {
 		}
 		template <typename T, meta::enable<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_coroutine(lua_State* L, T&& r, handler_t eh) : base_t(L, std::forward<T>(r)), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_coroutine>(lua_state(), -1, handler);
@@ -180,7 +180,7 @@ namespace sol {
 		: basic_coroutine(L, index, detail::get_default_handler<reference, is_main_threaded<base_t>::value>(L)) {
 		}
 		basic_coroutine(lua_State* L, absolute_index index, handler_t eh) : base_t(L, index), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_coroutine>(L, index, handler);
 #endif // Safety
@@ -189,7 +189,7 @@ namespace sol {
 		: basic_coroutine(L, index, detail::get_default_handler<reference, is_main_threaded<base_t>::value>(L)) {
 		}
 		basic_coroutine(lua_State* L, raw_index index, handler_t eh) : base_t(L, index), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_coroutine>(L, index, handler);
 #endif // Safety
@@ -198,7 +198,7 @@ namespace sol {
 		: basic_coroutine(L, index, detail::get_default_handler<reference, is_main_threaded<base_t>::value>(L)) {
 		}
 		basic_coroutine(lua_State* L, ref_index index, handler_t eh) : base_t(L, index), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_coroutine>(lua_state(), -1, handler);
diff --git a/extern/sol3/sol/debug.hpp b/extern/sol3/sol/debug.hpp
index 32f32e20ab..2131141a0c 100644
--- a/extern/sol3/sol/debug.hpp
+++ b/extern/sol3/sol/debug.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -47,6 +47,17 @@ namespace sol { namespace detail { namespace debug {
 	inline void print_section(const std::string& message, lua_State* L) {
 		std::cout << "-- " << message << " -- [ " << dump_types(L) << " ]" << std::endl;
 	}
+
+	inline void print_lua_information(lua_State* L) {
+		std::cout << "Lua Version: " << SOL_USE(SOL_LUA_VERSION) << std::endl;
+		std::cout << "Lua (C++): " << SOL_IS_ON(SOL_USING_CXX_LUA) << std::endl;
+		std::cout << "Trampoline Propagate Exceptions?: " << SOL_IS_ON(SOL_PROPAGATE_EXCEPTIONS) << std::endl;
+		std::cout << "Catch-all Exceptions?: " << SOL_IS_ON(SOL_EXCEPTIONS_CATCH_ALL) << std::endl;
+		std::cout << "LuaJIT: " << SOL_IS_ON(SOL_USE_LUAJIT) << std::endl;
+		std::cout << "LuaJIT Version: " << SOL_USE(SOL_LUAJIT_VERSION) << std::endl;
+		std::cout << "LuaJIT (C++): " << SOL_IS_ON(SOL_USING_CXX_LUAJIT) << std::endl;
+		std::cout << "LuaJIT Exception Trampoline: " << SOL_IS_ON(SOL_USE_LUAJIT_EXCEPTION_TRAMPOLINE) << std::endl;
+	}
 }}} // namespace sol::detail::debug
 
 #endif // SOL_DEBUG_HPP
diff --git a/extern/sol3/sol/demangle.hpp b/extern/sol3/sol/demangle.hpp
index 8c7c5ea2bf..f1bb665c09 100644
--- a/extern/sol3/sol/demangle.hpp
+++ b/extern/sol3/sol/demangle.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -28,7 +28,7 @@
 #include <string>
 #include <array>
 #include <cctype>
-#if SOL_IS_ON(SOL_MINGW_CCTYPE_IS_POISONED_I_)
+#if SOL_IS_ON(SOL_MINGW_CCTYPE_IS_POISONED)
 extern "C" {
 #include <ctype.h>
 }
@@ -47,7 +47,7 @@ namespace sol { namespace detail {
 		"`anonymous namespace'" } };
 
 
-#if SOL_IS_ON(SOL_COMPILER_GCC_I_) || SOL_IS_ON(SOL_COMPILER_CLANG_I_)
+#if SOL_IS_ON(SOL_COMPILER_GCC) || SOL_IS_ON(SOL_COMPILER_CLANG)
 	inline std::string ctti_get_type_name_from_sig(std::string name) {
 		// cardinal sins from MINGW
 		using namespace std;
@@ -85,7 +85,7 @@ namespace sol { namespace detail {
 	inline std::string ctti_get_type_name() {
 		return ctti_get_type_name_from_sig(__PRETTY_FUNCTION__);
 	}
-#elif SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#elif SOL_IS_ON(SOL_COMPILER_VCXX)
 	inline std::string ctti_get_type_name_from_sig(std::string name) {
 		std::size_t start = name.find("get_type_name");
 		if (start == std::string::npos)
diff --git a/extern/sol3/sol/deprecate.hpp b/extern/sol3/sol/deprecate.hpp
index 4d1389c8d4..00c34a015e 100644
--- a/extern/sol3/sol/deprecate.hpp
+++ b/extern/sol3/sol/deprecate.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/detail/build_version.hpp b/extern/sol3/sol/detail/build_version.hpp
index 1dcf6e5efb..59168900dd 100644
--- a/extern/sol3/sol/detail/build_version.hpp
+++ b/extern/sol3/sol/detail/build_version.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -36,7 +36,7 @@
 	#else
 		#define SOL_DLL_I_ SOL_OFF
 	#endif
-#elif SOL_IS_ON(SOL_COMPILER_VCXX_I_) && (defined(DLL_) || defined(_DLL))
+#elif SOL_IS_ON(SOL_COMPILER_VCXX) && (defined(DLL_) || defined(_DLL))
 	#define SOL_DLL_I_ SOL_DEFAULT_ON
 #else
 	#define SOL_DLL_I_ SOL_DEFAULT_OFF
@@ -58,7 +58,7 @@
 	#else
 		#define SOL_BUILD_I_ SOL_OFF
 	#endif
-#elif SOL_IS_ON(SOL_HEADER_ONLY_I_)
+#elif SOL_IS_ON(SOL_HEADER_ONLY)
 	#define SOL_BUILD_I_ SOL_DEFAULT_OFF
 #else
 	#define SOL_BUILD_I_ SOL_DEFAULT_ON
@@ -77,7 +77,7 @@
 #if defined(SOL_C_FUNCTION_LINKAGE)
 	#define SOL_C_FUNCTION_LINKAGE_I_ SOL_C_FUNCTION_LINKAGE
 #else
-	#if SOL_IS_ON(SOL_BUILD_CXX_MODE_I_)
+	#if SOL_IS_ON(SOL_BUILD_CXX_MODE)
 		// C++
 		#define SOL_C_FUNCTION_LINKAGE_I_ extern "C"
 	#else
@@ -89,12 +89,12 @@
 #if defined(SOL_API_LINKAGE)
 	#define SOL_API_LINKAGE_I_ SOL_API_LINKAGE
 #else
-	#if SOL_IS_ON(SOL_DLL_I_)
-		#if SOL_IS_ON(SOL_COMPILER_VCXX_I_) || SOL_IS_ON(SOL_PLATFORM_WINDOWS_I_) || SOL_IS_ON(SOL_PLATFORM_CYGWIN_I_)
+	#if SOL_IS_ON(SOL_DLL)
+		#if SOL_IS_ON(SOL_COMPILER_VCXX) || SOL_IS_ON(SOL_PLATFORM_WINDOWS) || SOL_IS_ON(SOL_PLATFORM_CYGWIN)
 			// MSVC Compiler; or, Windows, or Cygwin platforms
-			#if SOL_IS_ON(SOL_BUILD_I_)
+			#if SOL_IS_ON(SOL_BUILD)
 				// Building the library
-				#if SOL_IS_ON(SOL_COMPILER_GCC_I_)
+				#if SOL_IS_ON(SOL_COMPILER_GCC)
 					// Using GCC
 					#define SOL_API_LINKAGE_I_ __attribute__((dllexport))
 				#else
@@ -102,7 +102,7 @@
 					#define SOL_API_LINKAGE_I_ __declspec(dllexport)
 				#endif
 			#else
-				#if SOL_IS_ON(SOL_COMPILER_GCC_I_)
+				#if SOL_IS_ON(SOL_COMPILER_GCC)
 					#define SOL_API_LINKAGE_I_ __attribute__((dllimport))
 				#else
 					#define SOL_API_LINKAGE_I_ __declspec(dllimport)
@@ -112,9 +112,9 @@
 			// extern if building normally on non-MSVC
 			#define SOL_API_LINKAGE_I_ extern
 		#endif
-	#elif SOL_IS_ON(SOL_UNITY_BUILD_I_)
+	#elif SOL_IS_ON(SOL_UNITY_BUILD)
 		// Built-in library, like how stb typical works
-		#if SOL_IS_ON(SOL_HEADER_ONLY_I_)
+		#if SOL_IS_ON(SOL_HEADER_ONLY)
 			// Header only, so functions are defined "inline"
 			#define SOL_API_LINKAGE_I_ inline
 		#else
@@ -123,7 +123,7 @@
 		#endif
 	#else
 		// Normal static library
-		#if SOL_IS_ON(SOL_BUILD_CXX_MODE_I_)
+		#if SOL_IS_ON(SOL_BUILD_CXX_MODE)
 			#define SOL_API_LINKAGE_I_
 		#else
 			#define SOL_API_LINKAGE_I_ extern
@@ -157,16 +157,16 @@
 
 #if defined(SOL_FUNC_DECL)
 	#define SOL_FUNC_DECL_I_ SOL_FUNC_DECL
-#elif SOL_IS_ON(SOL_HEADER_ONLY_I_)
+#elif SOL_IS_ON(SOL_HEADER_ONLY)
 	#define SOL_FUNC_DECL_I_ 
-#elif SOL_IS_ON(SOL_DLL_I_)
-	#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
-		#if SOL_IS_ON(SOL_BUILD_I_)
+#elif SOL_IS_ON(SOL_DLL)
+	#if SOL_IS_ON(SOL_COMPILER_VCXX)
+		#if SOL_IS_ON(SOL_BUILD)
 			#define SOL_FUNC_DECL_I_ extern __declspec(dllexport)
 		#else
 			#define SOL_FUNC_DECL_I_ extern __declspec(dllimport)
 		#endif
-	#elif SOL_IS_ON(SOL_COMPILER_GCC_I_) || SOL_IS_ON(SOL_COMPILER_CLANG_I_)
+	#elif SOL_IS_ON(SOL_COMPILER_GCC) || SOL_IS_ON(SOL_COMPILER_CLANG)
 		#define SOL_FUNC_DECL_I_ extern __attribute__((visibility("default")))
 	#else
 		#define SOL_FUNC_DECL_I_ extern
@@ -175,16 +175,16 @@
 
 #if defined(SOL_FUNC_DEFN)
 	#define SOL_FUNC_DEFN_I_ SOL_FUNC_DEFN
-#elif SOL_IS_ON(SOL_HEADER_ONLY_I_)
+#elif SOL_IS_ON(SOL_HEADER_ONLY)
 	#define SOL_FUNC_DEFN_I_ inline
-#elif SOL_IS_ON(SOL_DLL_I_)
-	#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
-		#if SOL_IS_ON(SOL_BUILD_I_)
+#elif SOL_IS_ON(SOL_DLL)
+	#if SOL_IS_ON(SOL_COMPILER_VCXX)
+		#if SOL_IS_ON(SOL_BUILD)
 			#define SOL_FUNC_DEFN_I_ __declspec(dllexport)
 		#else
 			#define SOL_FUNC_DEFN_I_ __declspec(dllimport)
 		#endif
-	#elif SOL_IS_ON(SOL_COMPILER_GCC_I_) || SOL_IS_ON(SOL_COMPILER_CLANG_I_)
+	#elif SOL_IS_ON(SOL_COMPILER_GCC) || SOL_IS_ON(SOL_COMPILER_CLANG)
 		#define SOL_FUNC_DEFN_I_ __attribute__((visibility("default")))
 	#else
 		#define SOL_FUNC_DEFN_I_
@@ -193,16 +193,16 @@
 
 #if defined(SOL_HIDDEN_FUNC_DECL)
 	#define SOL_HIDDEN_FUNC_DECL_I_ SOL_HIDDEN_FUNC_DECL
-#elif SOL_IS_ON(SOL_HEADER_ONLY_I_)
+#elif SOL_IS_ON(SOL_HEADER_ONLY)
 	#define SOL_HIDDEN_FUNC_DECL_I_ 
-#elif SOL_IS_ON(SOL_DLL_I_)
-	#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
-		#if SOL_IS_ON(SOL_BUILD_I_)
+#elif SOL_IS_ON(SOL_DLL)
+	#if SOL_IS_ON(SOL_COMPILER_VCXX)
+		#if SOL_IS_ON(SOL_BUILD)
 			#define SOL_HIDDEN_FUNC_DECL_I_ extern __declspec(dllexport)
 		#else
 			#define SOL_HIDDEN_FUNC_DECL_I_ extern __declspec(dllimport)
 		#endif
-	#elif SOL_IS_ON(SOL_COMPILER_GCC_I_) || SOL_IS_ON(SOL_COMPILER_CLANG_I_)
+	#elif SOL_IS_ON(SOL_COMPILER_GCC) || SOL_IS_ON(SOL_COMPILER_CLANG)
 		#define SOL_HIDDEN_FUNC_DECL_I_ extern __attribute__((visibility("default")))
 	#else
 		#define SOL_HIDDEN_FUNC_DECL_I_ extern
@@ -211,16 +211,16 @@
 
 #if defined(SOL_HIDDEN_FUNC_DEFN)
 	#define SOL_HIDDEN_FUNC_DEFN_I_ SOL_HIDDEN_FUNC_DEFN
-#elif SOL_IS_ON(SOL_HEADER_ONLY_I_)
+#elif SOL_IS_ON(SOL_HEADER_ONLY)
 	#define SOL_HIDDEN_FUNC_DEFN_I_ inline
-#elif SOL_IS_ON(SOL_DLL_I_)
-	#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
-		#if SOL_IS_ON(SOL_BUILD_I_)
+#elif SOL_IS_ON(SOL_DLL)
+	#if SOL_IS_ON(SOL_COMPILER_VCXX)
+		#if SOL_IS_ON(SOL_BUILD)
 			#define SOL_HIDDEN_FUNC_DEFN_I_ 
 		#else
 			#define SOL_HIDDEN_FUNC_DEFN_I_ 
 		#endif
-	#elif SOL_IS_ON(SOL_COMPILER_GCC_I_) || SOL_IS_ON(SOL_COMPILER_CLANG_I_)
+	#elif SOL_IS_ON(SOL_COMPILER_GCC) || SOL_IS_ON(SOL_COMPILER_CLANG)
 		#define SOL_HIDDEN_FUNC_DEFN_I_ __attribute__((visibility("hidden")))
 	#else
 		#define SOL_HIDDEN_FUNC_DEFN_I_
diff --git a/extern/sol3/sol/dump_handler.hpp b/extern/sol3/sol/dump_handler.hpp
index abebf7e6df..7bd3118428 100644
--- a/extern/sol3/sol/dump_handler.hpp
+++ b/extern/sol3/sol/dump_handler.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -61,7 +61,7 @@ namespace sol {
 	}
 
 	inline int dump_throw_on_error(lua_State* L_, int result_code, lua_Writer writer_function, void* userdata_pointer_, bool strip) {
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
+#if SOL_IS_OFF(SOL_EXCEPTIONS)
 		return dump_panic_on_error(L_, result_code, writer_function, userdata_pointer_, strip);
 #else
 		(void)L_;
diff --git a/extern/sol3/sol/ebco.hpp b/extern/sol3/sol/ebco.hpp
index 4a2a0c8c5b..1664290e9e 100644
--- a/extern/sol3/sol/ebco.hpp
+++ b/extern/sol3/sol/ebco.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -26,6 +26,7 @@
 
 #include <type_traits>
 #include <utility>
+#include <memory>
 
 namespace sol { namespace detail {
 
diff --git a/extern/sol3/sol/environment.hpp b/extern/sol3/sol/environment.hpp
index 2529403bc0..a41f382226 100644
--- a/extern/sol3/sol/environment.hpp
+++ b/extern/sol3/sol/environment.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -58,29 +58,29 @@ namespace sol {
 
 		basic_environment(env_key_t, const stack_reference& extraction_target)
 		: base_t(detail::no_safety, extraction_target.lua_state(), (stack::push_environment_of(extraction_target), -1)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<env_key_t>(this->lua_state(), -1, handler);
 #endif // Safety
-			lua_pop(this->lua_state(), 2);
+			lua_pop(this->lua_state(), 1);
 		}
 		template <bool b>
 		basic_environment(env_key_t, const basic_reference<b>& extraction_target)
 		: base_t(detail::no_safety, extraction_target.lua_state(), (stack::push_environment_of(extraction_target), -1)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<env_key_t>(this->lua_state(), -1, handler);
 #endif // Safety
-			lua_pop(this->lua_state(), 2);
+			lua_pop(this->lua_state(), 1);
 		}
 		basic_environment(lua_State* L, int index = -1) : base_t(detail::no_safety, L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_environment>(L, index, handler);
 #endif // Safety
 		}
 		basic_environment(lua_State* L, ref_index index) : base_t(detail::no_safety, L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_environment>(L, -1, handler);
@@ -90,7 +90,7 @@ namespace sol {
 		     meta::enable<meta::neg<meta::any_same<meta::unqualified_t<T>, basic_environment>>, meta::neg<std::is_same<base_type, stack_reference>>,
 		          meta::neg<std::is_same<lua_nil_t, meta::unqualified_t<T>>>, is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_environment(T&& r) noexcept : base_t(detail::no_safety, std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			if (!is_environment<meta::unqualified_t<T>>::value) {
 				auto pp = stack::push_pop(*this);
 				constructor_handler handler {};
@@ -103,7 +103,7 @@ namespace sol {
 
 		template <typename T, meta::enable<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_environment(lua_State* L, T&& r) noexcept : base_t(detail::no_safety, L, std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			if (!is_environment<meta::unqualified_t<T>>::value) {
 				auto pp = stack::push_pop(*this);
 				constructor_handler handler {};
@@ -136,11 +136,13 @@ namespace sol {
 					const char* success = lua_setupvalue(L, target_index, 1);
 					if (success == nullptr) {
 						// left things alone on the stack, pop them off
-						lua_pop(L, 1);
+						lua_pop(L, 2);
 						return false;
 					}
+					lua_pop(L, 1);
 					return true;
 				}
+				lua_pop(L, 1);
 				return false;
 			}
 			else {
@@ -152,6 +154,7 @@ namespace sol {
 					}
 					string_view upvalue_name(maybe_upvalue_name);
 					if (upvalue_name == "_ENV") {
+						lua_pop(L, 1);
 						this->push();
 						const char* success = lua_setupvalue(L, target_index, upvalue_index);
 						if (success == nullptr) {
diff --git a/extern/sol3/sol/epilogue.hpp b/extern/sol3/sol/epilogue.hpp
index a248b5b82f..b06b57df41 100644
--- a/extern/sol3/sol/epilogue.hpp
+++ b/extern/sol3/sol/epilogue.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -31,7 +31,7 @@
 	#undef SOL_PROLOGUE_I_
 #endif
 
-#if SOL_IS_ON(SOL_BUILD_CXX_MODE_I_)
+#if SOL_IS_ON(SOL_BUILD_CXX_MODE)
 	#undef _FWD
 	#undef _MOVE
 #endif
diff --git a/extern/sol3/sol/error.hpp b/extern/sol3/sol/error.hpp
index edd07a0f98..487de31745 100644
--- a/extern/sol3/sol/error.hpp
+++ b/extern/sol3/sol/error.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -57,6 +57,23 @@ namespace sol {
 			}
 			return luaL_error(L, er.format_string, er.argument_strings[0], er.argument_strings[1], er.argument_strings[2], er.argument_strings[3]);
 		}
+
+		class error_exception : public std::runtime_error {
+		public:
+			error_exception(const std::string& str) : error_exception(detail::direct_error, "lua: error: " + str) {
+			}
+			error_exception(std::string&& str) : error_exception(detail::direct_error, "lua: error: " + std::move(str)) {
+			}
+			error_exception(detail::direct_error_tag, const std::string& str) : std::runtime_error(str) {
+			}
+			error_exception(detail::direct_error_tag, std::string&& str) : std::runtime_error(str) {
+			}
+
+			error_exception(const error_exception& e) = default;
+			error_exception(error_exception&& e) = default;
+			error_exception& operator=(const error_exception& e) = default;
+			error_exception& operator=(error_exception&& e) = default;
+		};
 	} // namespace detail
 
 	class error : public std::runtime_error {
@@ -69,19 +86,15 @@ namespace sol {
 		}
 		error(std::string&& str) : error(detail::direct_error, "lua: error: " + std::move(str)) {
 		}
-		error(detail::direct_error_tag, const std::string& str) : std::runtime_error(""), what_reason(str) {
+		error(detail::direct_error_tag, const std::string& str) : std::runtime_error(str) {
 		}
-		error(detail::direct_error_tag, std::string&& str) : std::runtime_error(""), what_reason(std::move(str)) {
+		error(detail::direct_error_tag, std::string&& str) : std::runtime_error(str) {
 		}
 
 		error(const error& e) = default;
 		error(error&& e) = default;
 		error& operator=(const error& e) = default;
 		error& operator=(error&& e) = default;
-
-		virtual const char* what() const noexcept override {
-			return what_reason.c_str();
-		}
 	};
 
 } // namespace sol
diff --git a/extern/sol3/sol/error_handler.hpp b/extern/sol3/sol/error_handler.hpp
index cfda69bd2d..d5bbf5e7a3 100644
--- a/extern/sol3/sol/error_handler.hpp
+++ b/extern/sol3/sol/error_handler.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -24,6 +24,7 @@
 #ifndef SOL_ERROR_HANDLER_HPP
 #define SOL_ERROR_HANDLER_HPP
 
+#include <sol/config.hpp>
 #include <sol/types.hpp>
 #include <sol/demangle.hpp>
 
@@ -62,7 +63,7 @@ namespace sol {
 		case type::poly:
 			return "anything";
 		case type::userdata: {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 2, "not enough space to push get the type name");
 #endif // make sure stack doesn't overflow
 			if (lua_getmetatable(L, index) == 0) {
@@ -84,7 +85,7 @@ namespace sol {
 
 	inline int push_type_panic_string(lua_State* L, int index, type expected, type actual, string_view message, string_view aux_message) noexcept {
 		const char* err = message.size() == 0
-		     ? (aux_message.size() == 0 ? "stack index %d, expected %s, received %s" : "stack index %d, expected %s, received %s: %s")
+		     ? (aux_message.size() == 0 ? "stack index %d, expected %s, received %s" : "stack index %d, expected %s, received %s: %s%s")
 		     : "stack index %d, expected %s, received %s: %s %s";
 		const char* type_name = expected == type::poly ? "anything" : lua_typename(L, static_cast<int>(expected));
 		{
@@ -96,12 +97,16 @@ namespace sol {
 
 	inline int type_panic_string(lua_State* L, int index, type expected, type actual, string_view message = "") noexcept(false) {
 		push_type_panic_string(L, index, expected, actual, message, "");
-		return lua_error(L);
+		size_t str_size = 0;
+		const char* str = lua_tolstring(L, -1, &str_size);
+		return luaL_error(L, str);
 	}
 
 	inline int type_panic_c_str(lua_State* L, int index, type expected, type actual, const char* message = nullptr) noexcept(false) {
 		push_type_panic_string(L, index, expected, actual, message == nullptr ? "" : message, "");
-		return lua_error(L);
+		size_t str_size = 0;
+		const char* str = lua_tolstring(L, -1, &str_size);
+		return luaL_error(L, str);
 	}
 
 	struct type_panic_t {
@@ -118,7 +123,9 @@ namespace sol {
 	struct constructor_handler {
 		int operator()(lua_State* L, int index, type expected, type actual, string_view message) const noexcept(false) {
 			push_type_panic_string(L, index, expected, actual, message, "(type check failed in constructor)");
-			return lua_error(L);
+			size_t str_size = 0;
+			const char* str = lua_tolstring(L, -1, &str_size);
+			return luaL_error(L, str);
 		}
 	};
 
@@ -126,7 +133,9 @@ namespace sol {
 	struct argument_handler {
 		int operator()(lua_State* L, int index, type expected, type actual, string_view message) const noexcept(false) {
 			push_type_panic_string(L, index, expected, actual, message, "(bad argument to variable or function call)");
-			return lua_error(L);
+			size_t str_size = 0;
+			const char* str = lua_tolstring(L, -1, &str_size);
+			return luaL_error(L, str);
 		}
 	};
 
@@ -142,7 +151,9 @@ namespace sol {
 				aux_message += ")')";
 				push_type_panic_string(L, index, expected, actual, message, aux_message);
 			}
-			return lua_error(L);
+			size_t str_size = 0;
+			const char* str = lua_tolstring(L, -1, &str_size);
+			return luaL_error(L, str);
 		}
 	};
 
diff --git a/extern/sol3/sol/forward.hpp b/extern/sol3/sol/forward.hpp
index 708e711e2d..3668144866 100644
--- a/extern/sol3/sol/forward.hpp
+++ b/extern/sol3/sol/forward.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -30,7 +30,7 @@
 #include <type_traits>
 #include <string_view>
 
-#if SOL_IS_ON(SOL_USE_CXX_LUA_I_) || SOL_IS_ON(SOL_USE_CXX_LUAJIT_I_)
+#if SOL_IS_ON(SOL_USING_CXX_LUA) || SOL_IS_ON(SOL_USING_CXX_LUAJIT)
 struct lua_State;
 #else
 extern "C" {
@@ -117,7 +117,7 @@ namespace sol {
 	using main_protected_function = main_safe_function;
 	using stack_protected_function = stack_safe_function;
 	using stack_aligned_protected_function = stack_aligned_safe_function;
-#if SOL_IS_ON(SOL_SAFE_FUNCTION_OBJECTS_I_)
+#if SOL_IS_ON(SOL_SAFE_FUNCTION_OBJECTS)
 	using function = protected_function;
 	using main_function = main_protected_function;
 	using stack_function = stack_protected_function;
@@ -133,7 +133,7 @@ namespace sol {
 	struct unsafe_function_result;
 	struct protected_function_result;
 	using safe_function_result = protected_function_result;
-#if SOL_IS_ON(SOL_SAFE_FUNCTION_OBJECTS_I_)
+#if SOL_IS_ON(SOL_SAFE_FUNCTION_OBJECTS)
 	using function_result = safe_function_result;
 #else
 	using function_result = unsafe_function_result;
@@ -234,7 +234,7 @@ namespace sol {
 		struct record;
 	}
 
-#if SOL_IS_OFF(SOL_USE_BOOST_I_)
+#if SOL_IS_OFF(SOL_USE_BOOST)
 	template <class T>
 	class optional;
 
@@ -253,7 +253,7 @@ namespace sol {
 			typedef ::sol::types<__VA_ARGS__> type; \
 		};                                           \
 	}                                                 \
-	void a_sol3_detail_function_decl_please_no_collide()
+	static_assert(true, "")
 #define SOL_DERIVED_CLASSES(T, ...)                    \
 	namespace sol {                                   \
 		template <>                                  \
@@ -261,6 +261,6 @@ namespace sol {
 			typedef ::sol::types<__VA_ARGS__> type; \
 		};                                           \
 	}                                                 \
-	void a_sol3_detail_function_decl_please_no_collide()
+	static_assert(true, "")
 
 #endif // SOL_FORWARD_HPP
diff --git a/extern/sol3/sol/forward_as.hpp b/extern/sol3/sol/forward_as.hpp
new file mode 100644
index 0000000000..9c25f33943
--- /dev/null
+++ b/extern/sol3/sol/forward_as.hpp
@@ -0,0 +1,44 @@
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 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_FORWARD_AS_HPP
+#define SOL_FORWARD_AS_HPP
+
+#include <sol/version.hpp>
+
+#include <utility>
+#include <type_traits>
+
+namespace sol {
+	template <typename T, typename U>
+	constexpr decltype(auto) forward_as(U&& value) noexcept {
+		if constexpr (::std::is_lvalue_reference_v<T>) {
+			return value;
+		}
+		else {
+			return ::std::move(value);
+		}
+	}
+}
+
+#endif // SOL_FORWARD_AS_HPP
diff --git a/extern/sol3/sol/forward_detail.hpp b/extern/sol3/sol/forward_detail.hpp
index 5815f485b0..1792d1a4f6 100644
--- a/extern/sol3/sol/forward_detail.hpp
+++ b/extern/sol3/sol/forward_detail.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -32,7 +32,7 @@
 namespace sol {
 	namespace detail {
 		const bool default_safe_function_calls =
-#if SOL_IS_ON(SOL_SAFE_FUNCTION_CALLS_I_)
+#if SOL_IS_ON(SOL_SAFE_FUNCTION_CALLS)
 		     true;
 #else
 		     false;
diff --git a/extern/sol3/sol/function.hpp b/extern/sol3/sol/function.hpp
index 26b3a0324f..527cf5c43f 100644
--- a/extern/sol3/sol/function.hpp
+++ b/extern/sol3/sol/function.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/function_result.hpp b/extern/sol3/sol/function_result.hpp
index 1f998d7f3b..5026ec50e1 100644
--- a/extern/sol3/sol/function_result.hpp
+++ b/extern/sol3/sol/function_result.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/function_types.hpp b/extern/sol3/sol/function_types.hpp
index 1890589075..27cd6bc779 100644
--- a/extern/sol3/sol/function_types.hpp
+++ b/extern/sol3/sol/function_types.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -217,7 +217,7 @@ namespace sol {
 						int upvalues = 0;
 						upvalues += stack::push(L, nullptr);
 						upvalues += stack::push(L, std::forward<Fx>(fx));
-#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_)
+#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE)
 						if constexpr (std::is_nothrow_invocable_r_v<int, uFx, lua_State*>) {
 							detail::lua_CFunction_noexcept cf = &lua_c_noexcept_wrapper<true>;
 							lua_pushcclosure(L, reinterpret_cast<lua_CFunction>(cf), upvalues);
@@ -237,7 +237,7 @@ namespace sol {
 					int upvalues = 0;
 					upvalues += stack::push(L, nullptr);
 					upvalues += stack::push(L, std::forward<Fx>(fx));
-#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_)
+#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE)
 					if constexpr (std::is_nothrow_invocable_r_v<int, uFx, lua_State*>) {
 						detail::lua_CFunction_noexcept cf = &lua_c_noexcept_wrapper<is_yielding>;
 						lua_pushcclosure(L, reinterpret_cast<lua_CFunction>(cf), upvalues);
@@ -398,7 +398,7 @@ namespace sol {
 		struct unqualified_pusher<Signature,
 		     std::enable_if_t<meta::all<std::is_function<std::remove_pointer_t<Signature>>, meta::neg<std::is_same<Signature, lua_CFunction>>,
 		          meta::neg<std::is_same<Signature, std::remove_pointer_t<lua_CFunction>>>
-#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_)
+#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE)
 		          ,
 		          meta::neg<std::is_same<Signature, detail::lua_CFunction_noexcept>>,
 		          meta::neg<std::is_same<Signature, std::remove_pointer_t<detail::lua_CFunction_noexcept>>>
@@ -711,7 +711,7 @@ namespace sol {
 		namespace stack_detail {
 			template <typename Function, typename Handler>
 			bool check_function_pointer(lua_State* L, int index, Handler&& handler, record& tracking) noexcept {
-#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE_I_)
+#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE)
 				tracking.use(1);
 				bool success = lua_iscfunction(L, index) == 1;
 				if (success) {
@@ -737,7 +737,7 @@ namespace sol {
 
 			template <typename Function>
 			Function* get_function_pointer(lua_State* L, int index, record& tracking) noexcept {
-#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE_I_)
+#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE)
 				tracking.use(1);
 				auto udata = stack::stack_detail::get_as_upvalues_using_function<Function*>(L, index);
 				Function* fx = udata.first;
@@ -747,7 +747,7 @@ namespace sol {
 				(void)index;
 				(void)tracking;
 				static_assert(meta::meta_detail::always_true<Function>::value,
-#if SOL_IS_DEFAULT_OFF(SOL_GET_FUNCTION_POINTER_UNSAFE_I_)
+#if SOL_IS_DEFAULT_OFF(SOL_GET_FUNCTION_POINTER_UNSAFE)
 				     "You are attempting to retrieve a function pointer type. "
 				     "This is inherently unsafe in sol2. In order to do this, you must turn on the "
 				     "SOL_GET_FUNCTION_POINTER_UNSAFE configuration macro, as detailed in the documentation. "
diff --git a/extern/sol3/sol/function_types_core.hpp b/extern/sol3/sol/function_types_core.hpp
index 138b2b518b..6cec215225 100644
--- a/extern/sol3/sol/function_types_core.hpp
+++ b/extern/sol3/sol/function_types_core.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/function_types_overloaded.hpp b/extern/sol3/sol/function_types_overloaded.hpp
index 8c8e5c1a55..63044b7d3f 100644
--- a/extern/sol3/sol/function_types_overloaded.hpp
+++ b/extern/sol3/sol/function_types_overloaded.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -62,4 +62,4 @@ namespace sol { namespace function_detail {
 	};
 }} // namespace sol::function_detail
 
-#endif // SOL_FUNCTION_TYPES_OVERLOAD_HPP
\ No newline at end of file
+#endif // SOL_FUNCTION_TYPES_OVERLOAD_HPP
diff --git a/extern/sol3/sol/function_types_stateful.hpp b/extern/sol3/sol/function_types_stateful.hpp
index 45c97b1bc0..9a5ca30043 100644
--- a/extern/sol3/sol/function_types_stateful.hpp
+++ b/extern/sol3/sol/function_types_stateful.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -74,7 +74,7 @@ namespace sol { namespace function_detail {
 		}
 
 		static int call(lua_State* L, member_function& self)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -90,7 +90,7 @@ namespace sol { namespace function_detail {
 		}
 
 		int operator()(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
diff --git a/extern/sol3/sol/function_types_stateless.hpp b/extern/sol3/sol/function_types_stateless.hpp
index 672732fa04..a2f66ba0ac 100644
--- a/extern/sol3/sol/function_types_stateless.hpp
+++ b/extern/sol3/sol/function_types_stateless.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -35,7 +35,7 @@ namespace sol { namespace function_detail {
 		using traits_type = meta::bind_traits<function_type>;
 
 		static int real_call(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -70,7 +70,7 @@ namespace sol { namespace function_detail {
 		typedef lua_bind_traits<function_type> traits_type;
 
 		static int real_call(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -88,7 +88,7 @@ namespace sol { namespace function_detail {
 
 		template <bool is_yielding, bool no_trampoline>
 		static int call(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -110,7 +110,7 @@ namespace sol { namespace function_detail {
 		}
 
 		int operator()(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -126,7 +126,7 @@ namespace sol { namespace function_detail {
 		typedef lua_bind_traits<function_type> traits_type;
 
 		static int real_call(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -153,7 +153,7 @@ namespace sol { namespace function_detail {
 
 		template <bool is_yielding, bool no_trampoline>
 		static int call(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -175,7 +175,7 @@ namespace sol { namespace function_detail {
 		}
 
 		int operator()(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -191,7 +191,7 @@ namespace sol { namespace function_detail {
 		typedef lua_bind_traits<function_type> traits_type;
 
 		static int real_call(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -216,7 +216,7 @@ namespace sol { namespace function_detail {
 
 		template <bool is_yielding, bool no_trampoline>
 		static int call(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -238,7 +238,7 @@ namespace sol { namespace function_detail {
 		}
 
 		int operator()(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -254,7 +254,7 @@ namespace sol { namespace function_detail {
 		typedef lua_bind_traits<function_type> traits_type;
 
 		static int real_call(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -268,7 +268,7 @@ namespace sol { namespace function_detail {
 
 		template <bool is_yielding, bool no_trampoline>
 		static int call(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
@@ -290,7 +290,7 @@ namespace sol { namespace function_detail {
 		}
 
 		int operator()(lua_State* L)
-#if SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#if SOL_IS_ON(SOL_COMPILER_VCXX)
 		// MSVC is broken, what a surprise...
 #else
 			noexcept(traits_type::is_noexcept)
diff --git a/extern/sol3/sol/function_types_templated.hpp b/extern/sol3/sol/function_types_templated.hpp
index 2cc892a93c..1cc82d6ea8 100644
--- a/extern/sol3/sol/function_types_templated.hpp
+++ b/extern/sol3/sol/function_types_templated.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -121,7 +121,7 @@ namespace sol {
 		typedef meta::unqualified_t<F> Fu;
 		typedef std::integral_constant<bool,
 		     std::is_same<Fu, lua_CFunction>::value
-#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_)
+#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE)
 		          || std::is_same<Fu, detail::lua_CFunction_noexcept>::value
 #endif
 		     >
diff --git a/extern/sol3/sol/in_place.hpp b/extern/sol3/sol/in_place.hpp
index 6971629671..2732472e0e 100644
--- a/extern/sol3/sol/in_place.hpp
+++ b/extern/sol3/sol/in_place.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/inheritance.hpp b/extern/sol3/sol/inheritance.hpp
index 0e7d56137b..ba83572e74 100644
--- a/extern/sol3/sol/inheritance.hpp
+++ b/extern/sol3/sol/inheritance.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/load_result.hpp b/extern/sol3/sol/load_result.hpp
index 4bafd3ee32..2b668bc575 100644
--- a/extern/sol3/sol/load_result.hpp
+++ b/extern/sol3/sol/load_result.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -39,7 +39,7 @@ namespace sol {
 		load_status err;
 
 	public:
-		load_result() noexcept = default;
+		load_result() noexcept : load_result(nullptr) {}
 		load_result(lua_State* Ls, int stackindex = -1, int retnum = 0, int popnum = 0, load_status lerr = load_status::ok) noexcept
 		: L(Ls), index(stackindex), returncount(retnum), popcount(popnum), err(lerr) {
 		}
@@ -95,7 +95,7 @@ namespace sol {
 					if (valid()) {
 						return UT(nullopt);
 					}
-					return error(detail::direct_error, stack::get<std::string>(L, index));
+					return stack::stack_detail::get_error(L, index);
 				}
 				else {
 					if (!valid()) {
@@ -106,15 +106,15 @@ namespace sol {
 			}
 			else {
 				if constexpr (std::is_same_v<T, error>) {
-#if SOL_IS_ON(SOL_SAFE_PROXIES_I_)
+#if SOL_IS_ON(SOL_SAFE_PROXIES)
 					if (valid()) {
 						type_panic_c_str(L, index, type_of(L, index), type::none, "expecting an error type (a string, from Lua)");
 					}
 #endif // Check proxy type's safety
-					return error(detail::direct_error, stack::get<std::string>(L, index));
+					return stack::stack_detail::get_error(L, index);
 				}
 				else {
-#if SOL_IS_ON(SOL_SAFE_PROXIES_I_)
+#if SOL_IS_ON(SOL_SAFE_PROXIES)
 					if (!valid()) {
 						type_panic_c_str(L, index, type_of(L, index), type::none);
 					}
@@ -142,7 +142,9 @@ namespace sol {
 		};
 
 		~load_result() {
-			stack::remove(L, index, popcount);
+			if (L != nullptr) {
+				stack::remove(L, index, popcount);
+			}
 		}
 	};
 } // namespace sol
diff --git a/extern/sol3/sol/lua_table.hpp b/extern/sol3/sol/lua_table.hpp
index d3f60f5cbb..4b06673c5c 100644
--- a/extern/sol3/sol/lua_table.hpp
+++ b/extern/sol3/sol/lua_table.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -50,7 +50,7 @@ namespace sol {
 		}
 		template <typename T, meta::enable_any<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_lua_table(lua_State* L, T&& r) : base_t(L, std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_lua_table>(lua_state(), -1, handler);
@@ -62,13 +62,13 @@ namespace sol {
 			}
 		}
 		basic_lua_table(lua_State* L, int index = -1) : base_t(detail::no_safety, L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_lua_table>(L, index, handler);
 #endif // Safety
 		}
 		basic_lua_table(lua_State* L, ref_index index) : base_t(detail::no_safety, L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_lua_table>(lua_state(), -1, handler);
@@ -78,7 +78,7 @@ namespace sol {
 		     meta::enable<meta::neg<meta::any_same<meta::unqualified_t<T>, basic_lua_table>>, meta::neg<std::is_same<ref_t, stack_reference>>,
 		          meta::neg<std::is_same<lua_nil_t, meta::unqualified_t<T>>>, is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_lua_table(T&& r) noexcept : basic_lua_table(detail::no_safety, std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			if (!is_table<meta::unqualified_t<T>>::value) {
 				auto pp = stack::push_pop(*this);
 				constructor_handler handler {};
diff --git a/extern/sol3/sol/lua_value.hpp b/extern/sol3/sol/lua_value.hpp
index dc94160f4a..8327c3a4d1 100644
--- a/extern/sol3/sol/lua_value.hpp
+++ b/extern/sol3/sol/lua_value.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -48,7 +48,7 @@ namespace sol {
 		using is_lua_value_single_constructible = meta::any<std::is_same<T, lua_value>, is_reference_or_lua_value_init_list<T>>;
 
 		static lua_State*& thread_local_lua_state() {
-#if SOL_IS_ON(SOL_USE_THREAD_LOCAL_I_)
+#if SOL_IS_ON(SOL_USE_THREAD_LOCAL)
 			static thread_local lua_State* L = nullptr;
 #else
 			static lua_State* L = nullptr;
diff --git a/extern/sol3/sol/make_reference.hpp b/extern/sol3/sol/make_reference.hpp
index 6b13b1eac4..8e6b6ecdde 100644
--- a/extern/sol3/sol/make_reference.hpp
+++ b/extern/sol3/sol/make_reference.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/metatable.hpp b/extern/sol3/sol/metatable.hpp
index 7812129360..b1b90fd78b 100644
--- a/extern/sol3/sol/metatable.hpp
+++ b/extern/sol3/sol/metatable.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -86,20 +86,20 @@ namespace sol {
 		}
 		template <typename T, meta::enable_any<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_metatable(lua_State* L, T&& r) : base_t(L, std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_metatable>(lua_state(), -1, handler);
 #endif // Safety
 		}
 		basic_metatable(lua_State* L, int index = -1) : basic_metatable(detail::no_safety, L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_metatable>(L, index, handler);
 #endif // Safety
 		}
 		basic_metatable(lua_State* L, ref_index index) : basic_metatable(detail::no_safety, L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_metatable>(lua_state(), -1, handler);
@@ -109,7 +109,7 @@ namespace sol {
 		     meta::enable<meta::neg<meta::any_same<meta::unqualified_t<T>, basic_metatable>>, meta::neg<std::is_same<base_type, stack_reference>>,
 		          meta::neg<std::is_same<lua_nil_t, meta::unqualified_t<T>>>, is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_metatable(T&& r) noexcept : basic_metatable(detail::no_safety, std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			if (!is_table<meta::unqualified_t<T>>::value) {
 				auto pp = stack::push_pop(*this);
 				constructor_handler handler {};
diff --git a/extern/sol3/sol/object.hpp b/extern/sol3/sol/object.hpp
index da39b9f019..991f7114fd 100644
--- a/extern/sol3/sol/object.hpp
+++ b/extern/sol3/sol/object.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/object_base.hpp b/extern/sol3/sol/object_base.hpp
index ea9b9be160..7164f16b83 100644
--- a/extern/sol3/sol/object_base.hpp
+++ b/extern/sol3/sol/object_base.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/optional.hpp b/extern/sol3/sol/optional.hpp
index e7edc33dbd..0c46d8bd0a 100644
--- a/extern/sol3/sol/optional.hpp
+++ b/extern/sol3/sol/optional.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -27,7 +27,7 @@
 #include <sol/forward.hpp>
 #include <sol/in_place.hpp>
 #include <sol/traits.hpp>
-#if SOL_IS_ON(SOL_USE_BOOST_I_)
+#if SOL_IS_ON(SOL_USE_BOOST)
 #include <boost/optional.hpp>
 #else
 #include <sol/optional_implementation.hpp>
@@ -38,7 +38,7 @@
 
 namespace sol {
 
-#if SOL_IS_ON(SOL_USE_BOOST_I_)
+#if SOL_IS_ON(SOL_USE_BOOST)
 	template <typename T>
 	using optional = boost::optional<T>;
 	using nullopt_t = boost::none_t;
@@ -59,14 +59,14 @@ namespace sol {
 			inline static constexpr std::nullopt_t value = std::nullopt;
 		};
 
-#if SOL_IS_ON(SOL_USE_BOOST_I_)
+#if SOL_IS_ON(SOL_USE_BOOST)
 		template <typename T>
 		struct associated_nullopt<boost::optional<T>> {
 			inline static SOL_BOOST_NONE_CONSTEXPR_I_ boost::none_t value = boost::none;
 		};
 #endif // Boost nullopt
 
-#if SOL_IS_ON(SOL_USE_BOOST_I_)
+#if SOL_IS_ON(SOL_USE_BOOST)
 		template <typename T>
 		inline SOL_BOOST_NONE_CONSTEXPR_I_ auto associated_nullopt_v = associated_nullopt<T>::value;
 #else
@@ -76,7 +76,7 @@ namespace sol {
 	} // namespace detail
 } // namespace sol
 
-#if SOL_IS_ON(SOL_USE_BOOST_I_)
+#if SOL_IS_ON(SOL_USE_BOOST)
 #undef SOL_BOOST_NONE_CONSTEXPR_I_
 #endif
 
diff --git a/extern/sol3/sol/optional_implementation.hpp b/extern/sol3/sol/optional_implementation.hpp
index a35df4ec87..e22226d6ba 100644
--- a/extern/sol3/sol/optional_implementation.hpp
+++ b/extern/sol3/sol/optional_implementation.hpp
@@ -1,6 +1,6 @@
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -1375,7 +1375,7 @@ namespace sol {
 		SOL_TL_OPTIONAL_11_CONSTEXPR T& value() & {
 			if (has_value())
 				return this->m_value;
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
+#if SOL_IS_OFF(SOL_EXCEPTIONS)
 			std::abort();
 #else
 			throw bad_optional_access();
@@ -1386,7 +1386,7 @@ namespace sol {
 		SOL_TL_OPTIONAL_11_CONSTEXPR const T& value() const& {
 			if (has_value())
 				return this->m_value;
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
+#if SOL_IS_OFF(SOL_EXCEPTIONS)
 			std::abort();
 #else
 			throw bad_optional_access();
@@ -1396,7 +1396,7 @@ namespace sol {
 		SOL_TL_OPTIONAL_11_CONSTEXPR T&& value() && {
 			if (has_value())
 				return std::move(this->m_value);
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
+#if SOL_IS_OFF(SOL_EXCEPTIONS)
 			std::abort();
 #else
 			throw bad_optional_access();
@@ -1408,7 +1408,7 @@ namespace sol {
 		SOL_TL_OPTIONAL_11_CONSTEXPR const T&& value() const&& {
 			if (has_value())
 				return std::move(this->m_value);
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
+#if SOL_IS_OFF(SOL_EXCEPTIONS)
 			std::abort();
 #else
 			throw bad_optional_access();
@@ -2251,7 +2251,7 @@ namespace sol {
 		SOL_TL_OPTIONAL_11_CONSTEXPR T& value() {
 			if (has_value())
 				return *m_value;
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
+#if SOL_IS_OFF(SOL_EXCEPTIONS)
 			std::abort();
 #else
 			throw bad_optional_access();
@@ -2262,7 +2262,7 @@ namespace sol {
 		SOL_TL_OPTIONAL_11_CONSTEXPR const T& value() const {
 			if (has_value())
 				return *m_value;
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
+#if SOL_IS_OFF(SOL_EXCEPTIONS)
 			std::abort();
 #else
 			throw bad_optional_access();
diff --git a/extern/sol3/sol/overload.hpp b/extern/sol3/sol/overload.hpp
index 74b7bcf6fa..03d73e42c7 100644
--- a/extern/sol3/sol/overload.hpp
+++ b/extern/sol3/sol/overload.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -46,4 +46,4 @@ namespace sol {
 	}
 } // namespace sol
 
-#endif // SOL_OVERLOAD_HPP
\ No newline at end of file
+#endif // SOL_OVERLOAD_HPP
diff --git a/extern/sol3/sol/packaged_coroutine.hpp b/extern/sol3/sol/packaged_coroutine.hpp
index 3daaeaad19..d950f8c364 100644
--- a/extern/sol3/sol/packaged_coroutine.hpp
+++ b/extern/sol3/sol/packaged_coroutine.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -96,7 +96,7 @@ namespace sol {
 		          meta::neg<std::is_same<lua_nil_t, meta::unqualified_t<T>>>, is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_packaged_coroutine(T&& r) noexcept
 		: base_t(std::forward<T>(r)), m_error_handler(detail::get_default_handler<reference, is_main_threaded<base_t>::value>(r.lua_state())) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			if (!is_function<meta::unqualified_t<T>>::value) {
 				auto pp = stack::push_pop(*this);
 				constructor_handler handler {};
@@ -160,7 +160,7 @@ namespace sol {
 		}
 		template <typename T, meta::enable<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_packaged_coroutine(lua_State* L, T&& r, handler_t eh) : base_t(L, std::forward<T>(r)), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_packaged_coroutine>(lua_state(), -1, handler);
@@ -183,7 +183,7 @@ namespace sol {
 		: basic_packaged_coroutine(L, index, detail::get_default_handler<reference, is_main_threaded<base_t>::value>(L)) {
 		}
 		basic_packaged_coroutine(lua_State* L, absolute_index index, handler_t eh) : base_t(L, index), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_packaged_coroutine>(L, index, handler);
 #endif // Safety
@@ -192,7 +192,7 @@ namespace sol {
 		: basic_packaged_coroutine(L, index, detail::get_default_handler<reference, is_main_threaded<base_t>::value>(L)) {
 		}
 		basic_packaged_coroutine(lua_State* L, raw_index index, handler_t eh) : base_t(L, index), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_packaged_coroutine>(L, index, handler);
 #endif // Safety
@@ -201,7 +201,7 @@ namespace sol {
 		: basic_packaged_coroutine(L, index, detail::get_default_handler<reference, is_main_threaded<base_t>::value>(L)) {
 		}
 		basic_packaged_coroutine(lua_State* L, ref_index index, handler_t eh) : base_t(L, index), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_packaged_coroutine>(lua_state(), -1, handler);
diff --git a/extern/sol3/sol/pairs_iterator.hpp b/extern/sol3/sol/pairs_iterator.hpp
index bc882e311e..d1cfaefdeb 100644
--- a/extern/sol3/sol/pairs_iterator.hpp
+++ b/extern/sol3/sol/pairs_iterator.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/pointer_like.hpp b/extern/sol3/sol/pointer_like.hpp
index f6fe1e2c44..cc01081351 100644
--- a/extern/sol3/sol/pointer_like.hpp
+++ b/extern/sol3/sol/pointer_like.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -28,6 +28,7 @@
 
 #include <utility>
 #include <type_traits>
+#include <memory>
 
 namespace sol {
 
diff --git a/extern/sol3/sol/policies.hpp b/extern/sol3/sol/policies.hpp
index 90789b78e3..d373bb897e 100644
--- a/extern/sol3/sol/policies.hpp
+++ b/extern/sol3/sol/policies.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/prologue.hpp b/extern/sol3/sol/prologue.hpp
index fcd1bb49d8..2c56148c7f 100644
--- a/extern/sol3/sol/prologue.hpp
+++ b/extern/sol3/sol/prologue.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -32,10 +32,10 @@
 #define SOL_PROLOGUE_I_ 1
 
 
-#if SOL_IS_ON(SOL_BUILD_CXX_MODE_I_)
+#if SOL_IS_ON(SOL_BUILD_CXX_MODE)
 	#define _FWD(...) static_cast<decltype( __VA_ARGS__ )&&>( __VA_ARGS__ )
 
-	#if SOL_IS_ON(SOL_COMPILER_GCC_I_) || SOL_IS_ON(SOL_COMPILER_CLANG_I_)
+	#if SOL_IS_ON(SOL_COMPILER_GCC) || SOL_IS_ON(SOL_COMPILER_CLANG)
 		#define _MOVE(...) static_cast<__typeof( __VA_ARGS__ )&&>( __VA_ARGS__ )
 	#else
 		#include <type_traits>
diff --git a/extern/sol3/sol/property.hpp b/extern/sol3/sol/property.hpp
index 8b818daf0c..c69fd025ea 100644
--- a/extern/sol3/sol/property.hpp
+++ b/extern/sol3/sol/property.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/protect.hpp b/extern/sol3/sol/protect.hpp
index 8b1221df5b..932ffb70c4 100644
--- a/extern/sol3/sol/protect.hpp
+++ b/extern/sol3/sol/protect.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/protected_function.hpp b/extern/sol3/sol/protected_function.hpp
index c3e6c66aac..8a2e0ec377 100644
--- a/extern/sol3/sol/protected_function.hpp
+++ b/extern/sol3/sol/protected_function.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -75,7 +75,7 @@ namespace sol {
 		          meta::neg<std::is_base_of<proxy_base_tag, meta::unqualified_t<T>>>, meta::neg<std::is_same<base_t, stack_reference>>,
 		          meta::neg<std::is_same<lua_nil_t, meta::unqualified_t<T>>>, is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_protected_function(T&& r) noexcept : base_t(std::forward<T>(r)), m_error_handler(get_default_handler(r.lua_state())) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			if (!is_function<meta::unqualified_t<T>>::value) {
 				auto pp = stack::push_pop(*this);
 				constructor_handler handler {};
@@ -133,7 +133,7 @@ namespace sol {
 		}
 		template <typename T, meta::enable<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_protected_function(lua_State* L_, T&& r, handler_t eh) : base_t(L_, std::forward<T>(r)), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_protected_function>(lua_state(), -1, handler);
@@ -146,7 +146,7 @@ namespace sol {
 		basic_protected_function(lua_State* L_, int index_ = -1) : basic_protected_function(L_, index_, get_default_handler(L_)) {
 		}
 		basic_protected_function(lua_State* L_, int index_, handler_t eh) : base_t(L_, index_), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_protected_function>(L_, index_, handler);
 #endif // Safety
@@ -154,7 +154,7 @@ namespace sol {
 		basic_protected_function(lua_State* L_, absolute_index index_) : basic_protected_function(L_, index_, get_default_handler(L_)) {
 		}
 		basic_protected_function(lua_State* L_, absolute_index index_, handler_t eh) : base_t(L_, index_), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_protected_function>(L_, index_, handler);
 #endif // Safety
@@ -162,7 +162,7 @@ namespace sol {
 		basic_protected_function(lua_State* L_, raw_index index_) : basic_protected_function(L_, index_, get_default_handler(L_)) {
 		}
 		basic_protected_function(lua_State* L_, raw_index index_, handler_t eh) : base_t(L_, index_), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_protected_function>(L_, index_, handler);
 #endif // Safety
@@ -170,7 +170,7 @@ namespace sol {
 		basic_protected_function(lua_State* L_, ref_index index_) : basic_protected_function(L_, index_, get_default_handler(L_)) {
 		}
 		basic_protected_function(lua_State* L_, ref_index index_, handler_t eh) : base_t(L_, index_), m_error_handler(std::move(eh)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_protected_function>(lua_state(), -1, handler);
@@ -339,14 +339,14 @@ namespace sol {
 			int firstreturn = 1;
 			int returncount = 0;
 			call_status code = call_status::ok;
-#if SOL_IS_ON(SOL_EXCEPTIONS_I_) && SOL_IS_OFF(SOL_PROPAGATE_EXCEPTIONS_I_)
+#if SOL_IS_ON(SOL_EXCEPTIONS) && SOL_IS_OFF(SOL_PROPAGATE_EXCEPTIONS)
 			try {
 #endif // No Exceptions
 				firstreturn = (std::max)(1, static_cast<int>(stacksize - n - static_cast<int>(h.valid() && !is_stack_handler_v)));
 				code = luacall(n, LUA_MULTRET, h);
 				poststacksize = lua_gettop(lua_state()) - static_cast<int>(h.valid() && !is_stack_handler_v);
 				returncount = poststacksize - (firstreturn - 1);
-#if SOL_IS_ON(SOL_EXCEPTIONS_I_) && SOL_IS_OFF(SOL_PROPAGATE_EXCEPTIONS_I_)
+#if SOL_IS_ON(SOL_EXCEPTIONS) && SOL_IS_OFF(SOL_PROPAGATE_EXCEPTIONS)
 			}
 			// Handle C++ errors thrown from C++ functions bound inside of lua
 			catch (const char* error) {
@@ -364,7 +364,7 @@ namespace sol {
 				firstreturn = lua_gettop(lua_state());
 				return protected_function_result(lua_state(), firstreturn, 0, 1, call_status::runtime);
 			}
-#if SOL_IS_ON(SOL_EXCEPTIONS_CATCH_ALL_I_)
+#if SOL_IS_ON(SOL_EXCEPTIONS_CATCH_ALL)
 			// LuaJIT cannot have the catchall when the safe propagation is on
 			// but LuaJIT will swallow all C++ errors
 			// if we don't at least catch std::exception ones
diff --git a/extern/sol3/sol/protected_function_result.hpp b/extern/sol3/sol/protected_function_result.hpp
index 52c7823181..6664d7d4c9 100644
--- a/extern/sol3/sol/protected_function_result.hpp
+++ b/extern/sol3/sol/protected_function_result.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -54,7 +54,7 @@ namespace sol {
 		typedef std::reverse_iterator<iterator> reverse_iterator;
 		typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
 
-		protected_function_result() noexcept = default;
+		protected_function_result() noexcept : protected_function_result(nullptr) {}
 		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) {
 		}
@@ -99,6 +99,13 @@ namespace sol {
 			return status() == call_status::ok || status() == call_status::yielded;
 		}
 
+#if SOL_IS_ON(SOL_COMPILER_GCC)
+#pragma GCC diagnostic push
+#if !SOL_IS_ON(SOL_COMPILER_CLANG)
+#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
+#endif
+#endif
+
 		template <typename T>
 		decltype(auto) get(int index_offset = 0) const {
 			using UT = meta::unqualified_t<T>;
@@ -109,7 +116,7 @@ namespace sol {
 					if (valid()) {
 						return UT();
 					}
-					return UT(error(detail::direct_error, stack::get<std::string>(L, target)));
+					return UT(stack::stack_detail::get_error(L, target));
 				}
 				else {
 					if (!valid()) {
@@ -120,16 +127,16 @@ namespace sol {
 			}
 			else {
 				if constexpr (std::is_same_v<T, error>) {
-#if SOL_IS_ON(SOL_SAFE_PROXIES_I_)
+#if SOL_IS_ON(SOL_SAFE_PROXIES)
 					if (valid()) {
 						type t = type_of(L, target);
 						type_panic_c_str(L, target, t, type::none, "bad get from protected_function_result (is an error)");
 					}
 #endif // Check Argument Safety
-					return error(detail::direct_error, stack::get<std::string>(L, target));
+					return stack::stack_detail::get_error(L, target);
 				}
 				else {
-#if SOL_IS_ON(SOL_SAFE_PROXIES_I_)
+#if SOL_IS_ON(SOL_SAFE_PROXIES)
 					if (!valid()) {
 						type t = type_of(L, target);
 						type_panic_c_str(L, target, t, type::none, "bad get from protected_function_result (is not an error)");
@@ -140,6 +147,10 @@ namespace sol {
 			}
 		}
 
+#if SOL_IS_ON(SOL_COMPILER_GCC)
+#pragma GCC diagnostic pop
+#endif
+
 		type get_type(int index_offset = 0) const noexcept {
 			return type_of(L, index + static_cast<int>(index_offset));
 		}
@@ -216,7 +227,7 @@ namespace sol {
 		template <>
 		struct unqualified_pusher<protected_function_result> {
 			static int push(lua_State* L, const protected_function_result& pfr) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 				luaL_checkstack(L, static_cast<int>(pfr.pop_count()), detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 				int p = 0;
diff --git a/extern/sol3/sol/protected_handler.hpp b/extern/sol3/sol/protected_handler.hpp
index 6d40640f02..c42f88758a 100644
--- a/extern/sol3/sol/protected_handler.hpp
+++ b/extern/sol3/sol/protected_handler.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -92,7 +92,7 @@ namespace sol { namespace detail {
 			return;
 		}
 		if (!ref.valid()) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushnil(L);
diff --git a/extern/sol3/sol/proxy_base.hpp b/extern/sol3/sol/proxy_base.hpp
index bae2000d84..c473554aab 100644
--- a/extern/sol3/sol/proxy_base.hpp
+++ b/extern/sol3/sol/proxy_base.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/raii.hpp b/extern/sol3/sol/raii.hpp
index 10cbb28c8d..629022b485 100644
--- a/extern/sol3/sol/raii.hpp
+++ b/extern/sol3/sol/raii.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/reference.hpp b/extern/sol3/sol/reference.hpp
index ed296f663a..c77815529e 100644
--- a/extern/sol3/sol/reference.hpp
+++ b/extern/sol3/sol/reference.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -289,7 +289,7 @@ namespace sol {
 		}
 
 		stateless_reference(lua_State* L_, global_tag_t) noexcept {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L_, 1, "not enough Lua stack space to push this reference value");
 #endif // make sure stack doesn't overflow
 			lua_pushglobaltable(L_);
@@ -352,7 +352,7 @@ namespace sol {
 		}
 
 		stateless_reference(lua_State* L_, int index = -1) noexcept {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L_, 1, "not enough Lua stack space to push this reference value");
 #endif // make sure stack doesn't overflow
 			lua_pushvalue(L_, index);
@@ -383,7 +383,7 @@ namespace sol {
 		}
 
 		int push(lua_State* L_) const noexcept {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L_, 1, "not enough Lua stack space to push this reference value");
 #endif // make sure stack doesn't overflow
 			lua_rawgeti(L_, LUA_REGISTRYINDEX, ref);
@@ -407,7 +407,7 @@ namespace sol {
 
 		void reset(lua_State* L_, int index_) noexcept {
 			reset(L_);
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L_, 1, "not enough Lua stack space to push this reference value");
 #endif // make sure stack doesn't overflow
 			lua_pushvalue(L_, index_);
@@ -616,7 +616,7 @@ namespace sol {
 		}
 		basic_reference(lua_State* L_, int index = -1) noexcept : luastate(detail::pick_main_thread<main_only>(L_, L_)) {
 			// use L_ to stick with that state's execution stack
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L_, 1, "not enough Lua stack space to push this reference value");
 #endif // make sure stack doesn't overflow
 			lua_pushvalue(L_, index);
@@ -693,7 +693,7 @@ namespace sol {
 		}
 
 		int push(lua_State* L_) const noexcept {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L_, 1, "not enough Lua stack space to push this reference value");
 #endif // make sure stack doesn't overflow
 			if (lua_state() == nullptr) {
diff --git a/extern/sol3/sol/resolve.hpp b/extern/sol3/sol/resolve.hpp
index 2cbc8d2f5f..513af96715 100644
--- a/extern/sol3/sol/resolve.hpp
+++ b/extern/sol3/sol/resolve.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/sol.hpp b/extern/sol3/sol/sol.hpp
index dc30088306..1a2a4b99e8 100644
--- a/extern/sol3/sol/sol.hpp
+++ b/extern/sol3/sol/sol.hpp
@@ -1,6 +1,6 @@
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -24,23 +24,23 @@
 
 #include <sol/version.hpp>
 
-#if SOL_IS_ON(SOL_INSIDE_UNREAL_ENGINE_I_)
+#if SOL_IS_ON(SOL_INSIDE_UNREAL_ENGINE)
 #ifdef check
 #pragma push_macro("check")
 #undef check
 #endif
 #endif // Unreal Engine 4 Bullshit
 
-#if SOL_IS_ON(SOL_COMPILER_GCC_I_)
+#if SOL_IS_ON(SOL_COMPILER_GCC)
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wshadow"
 #pragma GCC diagnostic ignored "-Wconversion"
 #if __GNUC__ > 6
 #pragma GCC diagnostic ignored "-Wnoexcept-type"
 #endif
-#elif SOL_IS_ON(SOL_COMPILER_CLANG_I_)
+#elif SOL_IS_ON(SOL_COMPILER_CLANG)
 // we'll just let this alone for now
-#elif SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#elif SOL_IS_ON(SOL_COMPILER_VCXX)
 #pragma warning(push)
 #pragma warning(disable : 4505) // unreferenced local function has been removed GEE THANKS
 #endif                          // clang++ vs. g++ vs. VC++
@@ -65,13 +65,15 @@
 #include <sol/variadic_results.hpp>
 #include <sol/lua_value.hpp>
 
-#if SOL_IS_ON(SOL_COMPILER_GCC_I_)
+#if SOL_IS_ON(SOL_COMPILER_GCC)
 #pragma GCC diagnostic pop
-#elif SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#elif SOL_IS_ON(SOL_COMPILER_CLANG)
+// we'll just let this alone for now
+#elif SOL_IS_ON(SOL_COMPILER_VCXX)
 #pragma warning(pop)
 #endif // g++
 
-#if SOL_IS_ON(SOL_INSIDE_UNREAL_ENGINE_I_)
+#if SOL_IS_ON(SOL_INSIDE_UNREAL_ENGINE)
 #undef check
 #pragma pop_macro("check")
 #endif // Unreal Engine 4 Bullshit
diff --git a/extern/sol3/sol/stack.hpp b/extern/sol3/sol/stack.hpp
index c01bda337f..eb16b70b38 100644
--- a/extern/sol3/sol/stack.hpp
+++ b/extern/sol3/sol/stack.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -34,6 +34,8 @@
 #include <sol/stack_pop.hpp>
 #include <sol/stack_field.hpp>
 #include <sol/stack_probe.hpp>
+#include <sol/error.hpp>
+#include <sol/assert.hpp>
 
 #include <cstring>
 #include <array>
@@ -149,7 +151,10 @@ namespace sol {
 			template <bool checked, typename Arg, typename... Args, std::size_t I, std::size_t... Is, typename Handler, typename Fx, typename... FxArgs>
 			static decltype(auto) eval(types<Arg, Args...>, std::index_sequence<I, Is...>, lua_State* L_, int start_index_, Handler&& handler_,
 			     record& tracking_, Fx&& fx_, FxArgs&&... fxargs_) {
-#if SOL_IS_ON(SOL_PROPAGATE_EXCEPTIONS_I_)
+#if 0 && SOL_IS_ON(SOL_PROPAGATE_EXCEPTIONS)
+				// NOTE: THIS IS TERMPORARILY TURNED OFF BECAUSE IT IMPACTS ACTUAL SEMANTICS W.R.T. THINGS LIKE LUAJIT,
+				// SO IT MUST REMAIN OFF UNTIL WE CAN ESTABLISH SIMILAR BEHAVIOR IN MODES WHERE `checked == false`!
+
 				// We can save performance/time by letting errors unwind produced arguments
 				// rather than checking everything once, and then potentially re-doing work
 				if constexpr (checked) {
@@ -186,7 +191,7 @@ namespace sol {
 				     "a reference and std::move it manually if this was your intention.");
 				argument_handler<types<R, Args...>> handler {};
 				record tracking {};
-#if SOL_IS_OFF(SOL_PROPAGATE_EXCEPTIONS_I_)
+#if SOL_IS_OFF(SOL_PROPAGATE_EXCEPTIONS)
 				if constexpr (checkargs) {
 					multi_check<Args...>(L_, start_index_, handler);
 				}
@@ -200,11 +205,21 @@ namespace sol {
 					     argument_types_, argument_indices_, L_, start_index_, handler, tracking, std::forward<Fx>(fx_), std::forward<FxArgs>(args_)...);
 				}
 			}
+
+			template <typename T>
+			void raw_table_set(lua_State* L, T&& arg, int tableindex = -2) {
+				int push_count = push(L, std::forward<T>(arg));
+				SOL_ASSERT(push_count == 1);
+				std::size_t unique_index = static_cast<std::size_t>(luaL_len(L, tableindex) + 1u);
+				lua_rawseti(L, tableindex, static_cast<int>(unique_index));
+			}
+
 		} // namespace stack_detail
 
 		template <typename T>
 		int set_ref(lua_State* L, T&& arg, int tableindex = -2) {
-			push(L, std::forward<T>(arg));
+			int push_count = push(L, std::forward<T>(arg));
+			SOL_ASSERT(push_count == 1);
 			return luaL_ref(L, tableindex);
 		}
 
@@ -319,11 +334,11 @@ namespace sol {
 		}
 
 		inline void luajit_exception_handler(lua_State* L, int (*handler)(lua_State*, lua_CFunction) = detail::c_trampoline) {
-#if SOL_IS_ON(SOL_USE_LUAJIT_EXCEPTION_TRAMPOLINE_I_)
+#if SOL_IS_ON(SOL_USE_LUAJIT_EXCEPTION_TRAMPOLINE)
 			if (L == nullptr) {
 				return;
 			}
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushlightuserdata(L, (void*)handler);
@@ -336,7 +351,7 @@ namespace sol {
 		}
 
 		inline void luajit_exception_off(lua_State* L) {
-#if SOL_IS_ON(SOL_USE_LUAJIT_EXCEPTION_TRAMPOLINE_I_)
+#if SOL_IS_ON(SOL_USE_LUAJIT_EXCEPTION_TRAMPOLINE)
 			if (L == nullptr) {
 				return;
 			}
@@ -345,6 +360,24 @@ namespace sol {
 			(void)L;
 #endif
 		}
+
+		namespace stack_detail {
+			inline error get_error(lua_State* L, int target) {
+				auto maybe_exc = stack::check_get<error&>(L, target);
+				if (maybe_exc.has_value()) {
+					return maybe_exc.value();
+				}
+				return error(detail::direct_error, stack::get<std::string>(L, target));
+			}
+
+			inline detail::error_exception get_error_exception(lua_State* L, int target) {
+				auto maybe_exc = stack::check_get<detail::error_exception&>(L, target);
+				if (maybe_exc.has_value()) {
+					return maybe_exc.value();
+				}
+				return detail::error_exception(detail::direct_error, stack::get<std::string>(L, target));
+			}
+		}
 	} // namespace stack
 } // namespace sol
 
diff --git a/extern/sol3/sol/stack/detail/pairs.hpp b/extern/sol3/sol/stack/detail/pairs.hpp
index 0ac7d0bc6e..383d047c55 100644
--- a/extern/sol3/sol/stack/detail/pairs.hpp
+++ b/extern/sol3/sol/stack/detail/pairs.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -84,7 +84,7 @@ namespace sol { namespace stack { namespace stack_detail {
 			pushed += 1;
 		}
 		int metatable_exists = lua_getmetatable(L_, 1);
-		sol_c_assert(metatable_exists == 1);
+		SOL_ASSERT(metatable_exists == 1);
 		const auto& index_key = to_string(sol::meta_function::index);
 		lua_getfield(L_, lua_gettop(L_), index_key.c_str());
 		lua_remove(L_, -2);
diff --git a/extern/sol3/sol/stack_check.hpp b/extern/sol3/sol/stack_check.hpp
index b90d70e707..b4389e226b 100644
--- a/extern/sol3/sol/stack_check.hpp
+++ b/extern/sol3/sol/stack_check.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/stack_check_get.hpp b/extern/sol3/sol/stack_check_get.hpp
index 9353c3c755..c20c6584ef 100644
--- a/extern/sol3/sol/stack_check_get.hpp
+++ b/extern/sol3/sol/stack_check_get.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/stack_check_get_qualified.hpp b/extern/sol3/sol/stack_check_get_qualified.hpp
index b5dfc387a8..753f911a47 100644
--- a/extern/sol3/sol/stack_check_get_qualified.hpp
+++ b/extern/sol3/sol/stack_check_get_qualified.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -30,6 +30,13 @@
 
 namespace sol { namespace stack {
 
+#if SOL_IS_ON(SOL_COMPILER_GCC)
+#pragma GCC diagnostic push
+#if !SOL_IS_ON(SOL_COMPILER_CLANG)
+#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
+#endif
+#endif
+
 	namespace stack_detail {
 		template <typename OptionalType, typename T, typename Handler>
 		OptionalType get_optional(lua_State* L, int index, Handler&& handler, record& tracking) {
@@ -70,9 +77,8 @@ namespace sol { namespace stack {
 					actual* mem = static_cast<actual*>(memory);
 					return static_cast<actual>(*mem);
 				}
-				actual r {};
 				if constexpr (!derive<element>::value) {
-					return {};
+					return OptionalType();
 				}
 				else {
 					memory = detail::align_usertype_unique_tag<true, false>(memory);
@@ -80,6 +86,7 @@ namespace sol { namespace stack {
 					memory = detail::align_usertype_unique<actual, true, false>(memory);
 					string_view ti = usertype_traits<element>::qualified_name();
 					int cast_operation;
+					actual r {};
 					if constexpr (is_actual_type_rebindable_for_v<Tu>) {
 						using rebound_actual_type = unique_usertype_rebind_actual_t<Tu, void>;
 						string_view rebind_ti = usertype_traits<rebound_actual_type>::qualified_name();
@@ -103,19 +110,23 @@ namespace sol { namespace stack {
 					default:
 						break;
 					}
-					return {};
+					return OptionalType();
 				}
 			}
 			else {
 				if (!check<T>(L, index, std::forward<Handler>(handler))) {
 					tracking.use(static_cast<int>(!lua_isnone(L, index)));
-					return {};
+					return OptionalType();
 				}
 				return OptionalType(stack_detail::unchecked_get<T>(L, index, tracking));
 			}
 		}
 	} // namespace stack_detail
 
+#if SOL_IS_ON(SOL_COMPILER_GCC)
+#pragma GCC diagnostic pop
+#endif
+
 	template <typename T, typename>
 	struct qualified_check_getter {
 		typedef decltype(stack_detail::unchecked_get<T>(nullptr, -1, std::declval<record&>())) R;
diff --git a/extern/sol3/sol/stack_check_get_unqualified.hpp b/extern/sol3/sol/stack_check_get_unqualified.hpp
index 31bef9f4fb..645c0a4d2f 100644
--- a/extern/sol3/sol/stack_check_get_unqualified.hpp
+++ b/extern/sol3/sol/stack_check_get_unqualified.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -32,7 +32,7 @@
 #include <cstdlib>
 #include <cmath>
 #include <optional>
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 #include <variant>
 #endif // variant shenanigans (thanks, Mac OSX)
 
@@ -76,7 +76,7 @@ namespace sol { namespace stack {
 					int isnum = 0;
 					const lua_Number value = lua_tonumberx(L, index, &isnum);
 					if (isnum != 0) {
-#if SOL_IS_ON(SOL_NUMBER_PRECISION_CHECKS_I_)
+#if SOL_IS_ON(SOL_NUMBER_PRECISION_CHECKS)
 						const auto integer_value = llround(value);
 						if (static_cast<lua_Number>(integer_value) == value) {
 							tracking.use(1);
@@ -139,7 +139,7 @@ namespace sol { namespace stack {
 		}
 	};
 
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 	template <typename... Tn, typename C>
 	struct unqualified_check_getter<std::variant<Tn...>, C> {
 		typedef std::variant<Tn...> V;
diff --git a/extern/sol3/sol/stack_check_qualified.hpp b/extern/sol3/sol/stack_check_qualified.hpp
index 5712a168dd..cc2394af46 100644
--- a/extern/sol3/sol/stack_check_qualified.hpp
+++ b/extern/sol3/sol/stack_check_qualified.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/stack_check_unqualified.hpp b/extern/sol3/sol/stack_check_unqualified.hpp
index cd132e0c29..d75557c454 100644
--- a/extern/sol3/sol/stack_check_unqualified.hpp
+++ b/extern/sol3/sol/stack_check_unqualified.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -32,7 +32,7 @@
 #include <utility>
 #include <cmath>
 #include <optional>
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 #include <variant>
 #endif // variant shenanigans
 
@@ -116,7 +116,7 @@ namespace sol { namespace stack {
 			}
 			else if constexpr (meta::any_same_v<T,
 				                   char
-#if SOL_IS_ON(SOL_CHAR8_T_I_)
+#if SOL_IS_ON(SOL_CHAR8_T)
 				                   ,
 				                   char8_t
 #endif
@@ -129,7 +129,7 @@ namespace sol { namespace stack {
 				tracking.use(1);
 #if SOL_LUA_VERSION_I_ >= 503
 				// Lua 5.3 and greater checks for numeric precision
-#if SOL_IS_ON(SOL_STRINGS_ARE_NUMBERS_I_)
+#if SOL_IS_ON(SOL_STRINGS_ARE_NUMBERS)
 				// imprecise, sloppy conversions
 				int isnum = 0;
 				lua_tointegerx(L_, index, &isnum);
@@ -138,7 +138,7 @@ namespace sol { namespace stack {
 					// expected type, actual type
 					handler(L_, index, type::number, type_of(L_, index), detail::not_a_number_or_number_string_integral);
 				}
-#elif SOL_IS_ON(SOL_NUMBER_PRECISION_CHECKS_I_)
+#elif SOL_IS_ON(SOL_NUMBER_PRECISION_CHECKS)
 				// this check is precise, do not convert
 				if (lua_isinteger(L_, index) == 1) {
 					return true;
@@ -160,7 +160,7 @@ namespace sol { namespace stack {
 				return success;
 #else
 				// Lua 5.2 and below checks
-#if SOL_IS_OFF(SOL_STRINGS_ARE_NUMBERS_I_)
+#if SOL_IS_OFF(SOL_STRINGS_ARE_NUMBERS)
 				// must pre-check, because it will convert
 				type t = type_of(L_, index);
 				if (t != type::number) {
@@ -170,7 +170,7 @@ namespace sol { namespace stack {
 				}
 #endif // Do not allow strings to be numbers
 
-#if SOL_IS_ON(SOL_NUMBER_PRECISION_CHECKS_I_)
+#if SOL_IS_ON(SOL_NUMBER_PRECISION_CHECKS)
 				int isnum = 0;
 				const lua_Number v = lua_tonumberx(L_, index, &isnum);
 				const bool success = isnum != 0 && static_cast<lua_Number>(llround(v)) == v;
@@ -179,9 +179,9 @@ namespace sol { namespace stack {
 #endif // Safe numerics and number precision checking
 				if (!success) {
 					// Use defines to provide a better error message!
-#if SOL_IS_ON(SOL_STRINGS_ARE_NUMBERS_I_)
+#if SOL_IS_ON(SOL_STRINGS_ARE_NUMBERS)
 					handler(L_, index, type::number, type_of(L_, index), detail::not_a_number_or_number_string);
-#elif SOL_IS_ON(SOL_NUMBER_PRECISION_CHECKS_I_)
+#elif SOL_IS_ON(SOL_NUMBER_PRECISION_CHECKS)
 					handler(L_, index, type::number, t, detail::not_a_number_or_number_string);
 #else
 					handler(L_, index, type::number, t, detail::not_a_number);
@@ -192,7 +192,7 @@ namespace sol { namespace stack {
 			}
 			else if constexpr (std::is_floating_point_v<T> || std::is_same_v<T, lua_Number>) {
 				tracking.use(1);
-#if SOL_IS_ON(SOL_STRINGS_ARE_NUMBERS_I_)
+#if SOL_IS_ON(SOL_STRINGS_ARE_NUMBERS)
 				bool success = lua_isnumber(L_, index) == 1;
 				if (!success) {
 					// expected type, actual type
@@ -218,6 +218,7 @@ namespace sol { namespace stack {
 			}
 			else if constexpr (is_unique_usertype_v<T>) {
 				using element = unique_usertype_element_t<T>;
+				using element_no_cv = meta::unqualified_t<element>;
 				using actual = unique_usertype_actual_t<T>;
 				const type indextype = type_of(L_, index);
 				tracking.use(1);
@@ -229,7 +230,7 @@ namespace sol { namespace stack {
 					return true;
 				}
 				int metatableindex = lua_gettop(L_);
-				if (stack_detail::check_metatable<d::u<element>>(L_, metatableindex)) {
+				if (stack_detail::check_metatable<d::u<element_no_cv>>(L_, metatableindex)) {
 					void* memory = lua_touserdata(L_, index);
 					memory = detail::align_usertype_unique_destructor(memory);
 					detail::unique_destructor& pdx = *static_cast<detail::unique_destructor*>(memory);
@@ -371,7 +372,7 @@ namespace sol { namespace stack {
 				}
 				return stack::unqualified_check<ValueType>(L_, index, &no_panic, tracking);
 			}
-#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE_I_)
+#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE)
 			else if constexpr (std::is_function_v<T> || (std::is_pointer_v<T> && std::is_function_v<std::remove_pointer_t<T>>)) {
 				return stack_detail::check_function_pointer<std::remove_pointer_t<T>>(L_, index, std::forward<Handler>(handler), tracking);
 			}
@@ -508,13 +509,13 @@ namespace sol { namespace stack {
 				return true;
 			}
 			else {
-#if SOL_IS_ON(SOL_USE_INTEROP_I_)
+#if SOL_IS_ON(SOL_USE_INTEROP)
 				if (stack_detail::interop_check<U>(L_, index, indextype, handler, tracking)) {
 					return true;
 				}
 #endif // interop extensibility
 				tracking.use(1);
-#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE_I_)
+#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE)
 				if (lua_iscfunction(L_, index) != 0) {
 					// a potential match...
 					return true;
@@ -539,7 +540,7 @@ namespace sol { namespace stack {
 				bool success = false;
 				bool has_derived = derive<T>::value || weak_derive<T>::value;
 				if (has_derived) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 					luaL_checkstack(L_, 1, detail::not_enough_stack_space_string);
 #endif // make sure stack doesn't overflow
 					auto pn = stack::pop_n(L_, 1);
@@ -579,6 +580,104 @@ namespace sol { namespace stack {
 		}
 	};
 
+	template <typename T, std::size_t N, type expect>
+	struct unqualified_checker<exhaustive_until<T, N>, expect> {
+		template <typename K, typename V, typename Handler>
+		static bool check_two(types<K, V>, lua_State* arg_L, int relindex, type, Handler&& handler, record& tracking) {
+			tracking.use(1);
+
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
+			luaL_checkstack(arg_L, 3, detail::not_enough_stack_space_generic);
+#endif // make sure stack doesn't overflow
+
+			int index = lua_absindex(arg_L, relindex);
+			lua_pushnil(arg_L);
+			while (lua_next(arg_L, index) != 0) {
+				const bool is_key_okay = stack::check<K>(arg_L, -2, std::forward<Handler>(handler), tracking);
+				if (!is_key_okay) {
+					lua_pop(arg_L, 2);
+					return false;
+				}
+				const bool is_value_okay = stack::check<V>(arg_L, -1, std::forward<Handler>(handler), tracking);
+				if (!is_value_okay) {
+					lua_pop(arg_L, 2);
+					return false;
+				}
+				lua_pop(arg_L, 1);
+			}
+			return true;
+		}
+
+		template <typename V, typename Handler>
+		static bool check_one(types<V>, lua_State* arg_L, int relindex, type, Handler&& handler, record& tracking) {
+			tracking.use(1);
+
+			size_t index = lua_absindex(arg_L, relindex);
+			// Zzzz slower but necessary thanks to the lower version API and missing functions qq
+			std::size_t idx = 0;
+			int vi = 0;
+			for (lua_Integer i = 0;; (void)(i += lua_size<V>::value), lua_pop(arg_L, static_cast<int>(vi))) {
+				vi = 0;
+				if (idx >= N) {
+					return true;
+				}
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
+				luaL_checkstack(arg_L, 2, detail::not_enough_stack_space_generic);
+#endif // make sure stack doesn't overflow
+				bool isnil = false;
+				for (; vi < static_cast<int>(lua_size<V>::value); ++vi) {
+					lua_pushinteger(arg_L, i);
+					lua_gettable(arg_L, static_cast<int>(index));
+					type vt = type_of(arg_L, -1);
+					isnil = vt == type::lua_nil;
+					if (isnil) {
+						if (i == 0) {
+							vi += 1;
+							goto loop_continue;
+						}
+						lua_pop(arg_L, static_cast<int>(vi + 1));
+						return true;
+					}
+				}
+				if (!stack::check<V>(arg_L, -lua_size<V>::value, std::forward<Handler>(handler), tracking)) {
+					lua_pop(arg_L, lua_size<V>::value);
+					return false;
+				}
+				++idx;
+			loop_continue:;
+			}
+		}
+
+		template <typename Handler>
+		static bool check(lua_State* arg_L, int index, Handler&& handler, record& tracking) {
+			using Tu = meta::unqualified_t<T>;
+			if constexpr (is_container_v<Tu>) {
+				if constexpr (meta::is_associative<Tu>::value) {
+					typedef typename Tu::value_type P;
+					typedef typename P::first_type K;
+					typedef typename P::second_type V;
+					return check_two(types<K, V>(), arg_L, index, expect, std::forward<Handler>(handler), tracking);
+				}
+				else {
+					typedef typename Tu::value_type V;
+					return check_one(types<V>(), arg_L, index, expect, std::forward<Handler>(handler), tracking);
+				}
+			}
+			else {
+				unqualified_checker<Tu, expect> c {};
+				return c.check(arg_L, index, std::forward<Handler>(handler), tracking);
+			}
+		}
+	};
+
+	template <typename T, type expect>
+	struct unqualified_checker<non_exhaustive<T>, expect> {
+		template <typename Handler>
+		static bool check(lua_State* arg_L, int index, Handler&& handler, record& tracking) {
+			return stack::check<T>(arg_L, index, std::forward<Handler>(handler), tracking);
+		}
+	};
+
 	template <typename... Args>
 	struct unqualified_checker<std::tuple<Args...>, type::poly> {
 		template <typename Handler>
@@ -595,7 +694,7 @@ namespace sol { namespace stack {
 		}
 	};
 
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 
 	template <typename... Tn>
 	struct unqualified_checker<std::variant<Tn...>, type::poly> {
diff --git a/extern/sol3/sol/stack_core.hpp b/extern/sol3/sol/stack_core.hpp
index 75a406f848..c4f5e2034f 100644
--- a/extern/sol3/sol/stack_core.hpp
+++ b/extern/sol3/sol/stack_core.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -127,7 +127,7 @@ namespace sol {
 
 		inline void* align_usertype_pointer(void* ptr) {
 			using use_align = std::integral_constant<bool,
-#if SOL_IS_OFF(SOL_ALIGN_MEMORY_I_)
+#if SOL_IS_OFF(SOL_ALIGN_MEMORY)
 			     false
 #else
 			     (std::alignment_of<void*>::value > 1)
@@ -143,7 +143,7 @@ namespace sol {
 		template <bool pre_aligned = false, bool pre_shifted = false>
 		void* align_usertype_unique_destructor(void* ptr) {
 			using use_align = std::integral_constant<bool,
-#if SOL_IS_OFF(SOL_ALIGN_MEMORY_I_)
+#if SOL_IS_OFF(SOL_ALIGN_MEMORY)
 			     false
 #else
 			     (std::alignment_of<unique_destructor>::value > 1)
@@ -165,7 +165,7 @@ namespace sol {
 		template <bool pre_aligned = false, bool pre_shifted = false>
 		void* align_usertype_unique_tag(void* ptr) {
 			using use_align = std::integral_constant<bool,
-#if SOL_IS_OFF(SOL_ALIGN_MEMORY_I_)
+#if SOL_IS_OFF(SOL_ALIGN_MEMORY)
 			     false
 #else
 			     (std::alignment_of<unique_tag>::value > 1)
@@ -187,7 +187,7 @@ namespace sol {
 		template <typename T, bool pre_aligned = false, bool pre_shifted = false>
 		void* align_usertype_unique(void* ptr) {
 			typedef std::integral_constant<bool,
-#if SOL_IS_OFF(SOL_ALIGN_MEMORY_I_)
+#if SOL_IS_OFF(SOL_ALIGN_MEMORY)
 			     false
 #else
 			     (std::alignment_of_v<T> > 1)
@@ -210,7 +210,7 @@ namespace sol {
 		template <typename T>
 		void* align_user(void* ptr) {
 			typedef std::integral_constant<bool,
-#if SOL_IS_OFF(SOL_ALIGN_MEMORY_I_)
+#if SOL_IS_OFF(SOL_ALIGN_MEMORY)
 			     false
 #else
 			     (std::alignment_of_v<T> > 1)
@@ -227,7 +227,7 @@ namespace sol {
 		template <typename T>
 		T** usertype_allocate_pointer(lua_State* L) {
 			typedef std::integral_constant<bool,
-#if SOL_IS_OFF(SOL_ALIGN_MEMORY_I_)
+#if SOL_IS_OFF(SOL_ALIGN_MEMORY)
 			     false
 #else
 			     (std::alignment_of<T*>::value > 1)
@@ -311,7 +311,7 @@ namespace sol {
 		template <typename T>
 		T* usertype_allocate(lua_State* L) {
 			typedef std::integral_constant<bool,
-#if SOL_IS_OFF(SOL_ALIGN_MEMORY_I_)
+#if SOL_IS_OFF(SOL_ALIGN_MEMORY)
 			     false
 #else
 			     (std::alignment_of<T*>::value > 1 || std::alignment_of_v<T> > 1)
@@ -352,7 +352,7 @@ namespace sol {
 		template <typename T, typename Real>
 		Real* usertype_unique_allocate(lua_State* L, T**& pref, unique_destructor*& dx, unique_tag*& id) {
 			typedef std::integral_constant<bool,
-#if SOL_IS_OFF(SOL_ALIGN_MEMORY_I_)
+#if SOL_IS_OFF(SOL_ALIGN_MEMORY)
 			     false
 #else
 			     (std::alignment_of<T*>::value > 1 || std::alignment_of<unique_tag>::value > 1 || std::alignment_of<unique_destructor>::value > 1
@@ -370,10 +370,10 @@ namespace sol {
 
 			constexpr std::size_t initial_size = aligned_space_for<T*, unique_destructor, unique_tag, Real>();
 
-			void* pointer_adjusted;
-			void* dx_adjusted;
-			void* id_adjusted;
-			void* data_adjusted;
+			void* pointer_adjusted = nullptr;
+			void* dx_adjusted = nullptr;
+			void* id_adjusted = nullptr;
+			void* data_adjusted = nullptr;
 			bool result = attempt_alloc_unique(L,
 			     std::alignment_of_v<T*>,
 			     sizeof(T*),
@@ -406,7 +406,7 @@ namespace sol {
 		template <typename T>
 		T* user_allocate(lua_State* L) {
 			typedef std::integral_constant<bool,
-#if SOL_IS_OFF(SOL_ALIGN_MEMORY_I_)
+#if SOL_IS_OFF(SOL_ALIGN_MEMORY)
 			     false
 #else
 			     (std::alignment_of_v<T> > 1)
@@ -709,7 +709,6 @@ namespace sol {
 				}
 				else {
 					unqualified_getter<Tu> g {};
-					(void)g;
 					return g.get(L, index, tracking);
 				}
 			}
@@ -721,7 +720,6 @@ namespace sol {
 				}
 				else {
 					qualified_getter<T> g {};
-					(void)g;
 					return g.get(L, index, tracking);
 				}
 			}
@@ -877,7 +875,6 @@ namespace sol {
 			}
 			else {
 				unqualified_pusher<Tu> p {};
-				(void)p;
 				return p.push(L, std::forward<T>(t), std::forward<Args>(args)...);
 			}
 		}
@@ -897,7 +894,6 @@ namespace sol {
 			}
 			else {
 				unqualified_pusher<Tu> p {};
-				(void)p;
 				return p.push(L, std::forward<Arg>(arg), std::forward<Args>(args)...);
 			}
 		}
@@ -928,7 +924,7 @@ namespace sol {
 				using use_reference_tag =
 				meta::all<
 					meta::neg<is_value_semantic_for_function<T>>
-#if SOL_IS_OFF(SOL_FUNCTION_CALL_VALUE_SEMANTICS_I_)
+#if SOL_IS_OFF(SOL_FUNCTION_CALL_VALUE_SEMANTICS)
 					, std::is_lvalue_reference<T>,
 					meta::neg<std::is_const<std::remove_reference_t<T>>>,
 					meta::neg<is_lua_primitive<meta::unqualified_t<T>>>,
@@ -983,9 +979,7 @@ namespace sol {
 				return sol_lua_check(types<Tu>(), L, index, std::forward<Handler>(handler), tracking);
 			}
 			else {
-				unqualified_checker<Tu, lua_type_of_v<Tu>> c;
-				// VC++ has a bad warning here: shut it up
-				(void)c;
+				unqualified_checker<Tu, lua_type_of_v<Tu>> c{};
 				return c.check(L, index, std::forward<Handler>(handler), tracking);
 			}
 		}
@@ -1009,9 +1003,7 @@ namespace sol {
 			}
 			else {
 				using Tu = meta::unqualified_t<T>;
-				qualified_checker<T, lua_type_of_v<Tu>> c;
-				// VC++ has a bad warning here: shut it up
-				(void)c;
+				qualified_checker<T, lua_type_of_v<Tu>> c{};
 				return c.check(L, index, std::forward<Handler>(handler), tracking);
 			}
 		}
@@ -1065,7 +1057,6 @@ namespace sol {
 			}
 			else {
 				unqualified_check_getter<Tu> cg {};
-				(void)cg;
 				return cg.get(L, index, std::forward<Handler>(handler), tracking);
 			}
 		}
@@ -1089,7 +1080,6 @@ namespace sol {
 			}
 			else {
 				qualified_check_getter<T> cg {};
-				(void)cg;
 				return cg.get(L, index, std::forward<Handler>(handler), tracking);
 			}
 		}
@@ -1145,7 +1135,7 @@ namespace sol {
 
 		template <typename T>
 		auto unqualified_get(lua_State* L, int index, record& tracking) -> decltype(stack_detail::unchecked_unqualified_get<T>(L, index, tracking)) {
-#if SOL_IS_ON(SOL_SAFE_GETTER_I_)
+#if SOL_IS_ON(SOL_SAFE_GETTER)
 			static constexpr bool is_op = meta::is_optional_v<T>;
 			if constexpr (is_op) {
 				return stack_detail::unchecked_unqualified_get<T>(L, index, tracking);
@@ -1170,7 +1160,7 @@ namespace sol {
 
 		template <typename T>
 		auto get(lua_State* L, int index, record& tracking) -> decltype(stack_detail::unchecked_get<T>(L, index, tracking)) {
-#if SOL_IS_ON(SOL_SAFE_GETTER_I_)
+#if SOL_IS_ON(SOL_SAFE_GETTER)
 			static constexpr bool is_op = meta::is_optional_v<T>;
 			if constexpr (is_op) {
 				return stack_detail::unchecked_get<T>(L, index, tracking);
diff --git a/extern/sol3/sol/stack_field.hpp b/extern/sol3/sol/stack_field.hpp
index a0ef28f8bd..9dd66e2ecf 100644
--- a/extern/sol3/sol/stack_field.hpp
+++ b/extern/sol3/sol/stack_field.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/stack_get.hpp b/extern/sol3/sol/stack_get.hpp
index 70e8c699ba..5b9c9f7fbe 100644
--- a/extern/sol3/sol/stack_get.hpp
+++ b/extern/sol3/sol/stack_get.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/stack_get_qualified.hpp b/extern/sol3/sol/stack_get_qualified.hpp
index a71c2959ef..c8f50300b1 100644
--- a/extern/sol3/sol/stack_get_qualified.hpp
+++ b/extern/sol3/sol/stack_get_qualified.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/stack_get_unqualified.hpp b/extern/sol3/sol/stack_get_unqualified.hpp
index 58ee34f583..0f7b06ff78 100644
--- a/extern/sol3/sol/stack_get_unqualified.hpp
+++ b/extern/sol3/sol/stack_get_unqualified.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -24,12 +24,15 @@
 #ifndef SOL_STACK_UNQUALIFIED_GET_HPP
 #define SOL_STACK_UNQUALIFIED_GET_HPP
 
+#include <sol/version.hpp>
+
 #include <sol/stack_core.hpp>
 #include <sol/usertype_traits.hpp>
 #include <sol/inheritance.hpp>
 #include <sol/overload.hpp>
 #include <sol/error.hpp>
 #include <sol/unicode.hpp>
+#include <sol/abort.hpp>
 
 #include <memory>
 #include <functional>
@@ -37,7 +40,7 @@
 #include <cstdlib>
 #include <cmath>
 #include <string_view>
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 #include <variant>
 #endif // Apple clang screwed up
 
@@ -169,7 +172,7 @@ namespace sol { namespace stack {
 				luaL_Stream* pstream = static_cast<luaL_Stream*>(lua_touserdata(L, index));
 				return *pstream;
 			}
-#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE_I_)
+#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE)
 			else if constexpr (std::is_function_v<T> || (std::is_pointer_v<T> && std::is_function_v<std::remove_pointer_t<T>>)) {
 				return stack_detail::get_function_pointer<std::remove_pointer_t<T>>(L, index, tracking);
 			}
@@ -184,10 +187,10 @@ namespace sol { namespace stack {
 	struct qualified_getter {
 		static decltype(auto) get(lua_State* L, int index, record& tracking) {
 			using Tu = meta::unqualified_t<X>;
-			static constexpr bool is_userdata_of_some_kind
+			static constexpr bool is_maybe_userdata_of_some_kind
 				= !std::is_reference_v<
 				       X> && is_container_v<Tu> && std::is_default_constructible_v<Tu> && !is_lua_primitive_v<Tu> && !is_transparent_argument_v<Tu>;
-			if constexpr (is_userdata_of_some_kind) {
+			if constexpr (is_maybe_userdata_of_some_kind) {
 				if (type_of(L, index) == type::userdata) {
 					return static_cast<Tu>(stack_detail::unchecked_unqualified_get<Tu>(L, index, tracking));
 				}
@@ -210,11 +213,9 @@ namespace sol { namespace stack {
 				}
 				actual r {};
 				if constexpr (!derive<element>::value) {
-#if SOL_IS_ON(SOL_DEBUG_BUILD_I_)
 					// In debug mode we would rather abort you for this grave failure rather
 					// than let you deref a null pointer and fuck everything over
-					std::abort();
-#endif
+					SOL_DEBUG_ABORT();
 					return static_cast<actual>(std::move(r));
 				}
 				else {
@@ -247,11 +248,7 @@ namespace sol { namespace stack {
 						// uh oh..
 						break;
 					}
-#if SOL_IS_ON(SOL_DEBUG_BUILD_I_)
-					// In debug mode we would rather abort you for this grave failure rather
-					// than let you deref a null pointer and fuck everything over
-					std::abort();
-#endif
+					SOL_DEBUG_ABORT();
 					return static_cast<actual>(r);
 				}
 			}
@@ -355,8 +352,8 @@ namespace sol { namespace stack {
 				}
 				bool isnil = false;
 				for (int vi = 0; vi < lua_size<V>::value; ++vi) {
-#if SOL_IS_ON(SOL_LUA_NIL_IN_TABLES_I_) && SOL_LUA_VERSION_I_ >= 600
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_LUA_NIL_IN_TABLES) && SOL_LUA_VERSION_I_ >= 600
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 					luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 					lua_pushinteger(L, static_cast<lua_Integer>(i + vi));
@@ -376,7 +373,7 @@ namespace sol { namespace stack {
 						if (i == 0) {
 							break;
 						}
-#if SOL_IS_ON(SOL_LUA_NIL_IN_TABLES_I_) && SOL_LUA_VERSION_I_ >= 600
+#if SOL_IS_ON(SOL_LUA_NIL_IN_TABLES) && SOL_LUA_VERSION_I_ >= 600
 						lua_pop(L, vi);
 #else
 						lua_pop(L, (vi + 1));
@@ -386,7 +383,7 @@ namespace sol { namespace stack {
 					}
 				}
 				if (isnil) {
-#if SOL_IS_ON(SOL_LUA_NIL_IN_TABLES_I_) && SOL_LUA_VERSION_I_ >= 600
+#if SOL_IS_ON(SOL_LUA_NIL_IN_TABLES) && SOL_LUA_VERSION_I_ >= 600
 #else
 					lua_pop(L, lua_size<V>::value);
 #endif
@@ -404,7 +401,7 @@ namespace sol { namespace stack {
 					// see above comment
 					goto done;
 				}
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 				luaL_checkstack(L, 2, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 				bool isnil = false;
@@ -443,7 +440,7 @@ namespace sol { namespace stack {
 		static T get(types<K, V>, lua_State* L, int relindex, record& tracking) {
 			tracking.use(1);
 
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 3, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 
@@ -486,7 +483,7 @@ namespace sol { namespace stack {
 		template <typename V>
 		static C get(types<V>, lua_State* L, int relindex, record& tracking) {
 			tracking.use(1);
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 3, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 
@@ -551,7 +548,7 @@ namespace sol { namespace stack {
 		static C get(types<K, V>, lua_State* L, int relindex, record& tracking) {
 			tracking.use(1);
 
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 3, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 
@@ -578,26 +575,20 @@ namespace sol { namespace stack {
 			using Tu = meta::unqualified_t<T>;
 			if constexpr (is_container_v<Tu>) {
 				if constexpr (meta::is_associative<Tu>::value) {
-					typedef typename T::value_type P;
+					typedef typename Tu::value_type P;
 					typedef typename P::first_type K;
 					typedef typename P::second_type V;
-					unqualified_getter<as_table_t<T>> g;
-					// VC++ has a bad warning here: shut it up
-					(void)g;
+					unqualified_getter<as_table_t<T>> g {};
 					return g.get(types<K, nested<V>>(), L, index, tracking);
 				}
 				else {
-					typedef typename T::value_type V;
-					unqualified_getter<as_table_t<T>> g;
-					// VC++ has a bad warning here: shut it up
-					(void)g;
+					typedef typename Tu::value_type V;
+					unqualified_getter<as_table_t<T>> g {};
 					return g.get(types<nested<V>>(), L, index, tracking);
 				}
 			}
 			else {
-				unqualified_getter<Tu> g;
-				// VC++ has a bad warning here: shut it up
-				(void)g;
+				unqualified_getter<Tu> g {};
 				return g.get(L, index, tracking);
 			}
 		}
@@ -617,6 +608,20 @@ namespace sol { namespace stack {
 		}
 	};
 
+	template <typename T>
+	struct unqualified_getter<exhaustive<T>> {
+		static decltype(auto) get(lua_State* arg_L, int index, record& tracking) {
+			return stack::get<T>(arg_L, index, tracking);
+		}
+	};
+
+	template <typename T>
+	struct unqualified_getter<non_exhaustive<T>> {
+		static decltype(auto) get(lua_State* arg_L, int index, record& tracking) {
+			return stack::get<T>(arg_L, index, tracking);
+		}
+	};
+
 	template <>
 	struct unqualified_getter<userdata_value> {
 		static userdata_value get(lua_State* L, int index, record& tracking) {
@@ -883,7 +888,7 @@ namespace sol { namespace stack {
 	struct unqualified_getter<detail::as_value_tag<T>> {
 		static T* get_no_lua_nil(lua_State* L, int index, record& tracking) {
 			void* memory = lua_touserdata(L, index);
-#if SOL_IS_ON(SOL_USE_INTEROP_I_)
+#if SOL_IS_ON(SOL_USE_INTEROP)
 			auto ugr = stack_detail::interop_get<T>(L, index, memory, tracking);
 			if (ugr.first) {
 				return ugr.second;
@@ -933,9 +938,7 @@ namespace sol { namespace stack {
 				tracking.use(1);
 				return nullptr;
 			}
-			unqualified_getter<detail::as_value_tag<T>> g;
-			// Avoid VC++ warning
-			(void)g;
+			unqualified_getter<detail::as_value_tag<T>> g{};
 			return g.get_no_lua_nil(L, index, tracking);
 		}
 	};
@@ -943,9 +946,7 @@ namespace sol { namespace stack {
 	template <typename T>
 	struct unqualified_getter<non_null<T*>> {
 		static T* get(lua_State* L, int index, record& tracking) {
-			unqualified_getter<detail::as_value_tag<T>> g;
-			// Avoid VC++ warning
-			(void)g;
+			unqualified_getter<detail::as_value_tag<T>> g{};
 			return g.get_no_lua_nil(L, index, tracking);
 		}
 	};
@@ -953,9 +954,7 @@ namespace sol { namespace stack {
 	template <typename T>
 	struct unqualified_getter<T&> {
 		static T& get(lua_State* L, int index, record& tracking) {
-			unqualified_getter<detail::as_value_tag<T>> g;
-			// Avoid VC++ warning
-			(void)g;
+			unqualified_getter<detail::as_value_tag<T>> g{};
 			return g.get(L, index, tracking);
 		}
 	};
@@ -963,9 +962,7 @@ namespace sol { namespace stack {
 	template <typename T>
 	struct unqualified_getter<std::reference_wrapper<T>> {
 		static T& get(lua_State* L, int index, record& tracking) {
-			unqualified_getter<T&> g;
-			// Avoid VC++ warning
-			(void)g;
+			unqualified_getter<T&> g{};
 			return g.get(L, index, tracking);
 		}
 	};
@@ -973,20 +970,16 @@ namespace sol { namespace stack {
 	template <typename T>
 	struct unqualified_getter<T*> {
 		static T* get(lua_State* L, int index, record& tracking) {
-#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE_I_)
+#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE)
 			if constexpr (std::is_function_v<T>) {
 				return stack_detail::get_function_pointer<T>(L, index, tracking);
 			}
 			else {
-				unqualified_getter<detail::as_pointer_tag<T>> g;
-				// Avoid VC++ warning
-				(void)g;
+				unqualified_getter<detail::as_pointer_tag<T>> g{};
 				return g.get(L, index, tracking);
 			}
 #else
-			unqualified_getter<detail::as_pointer_tag<T>> g;
-			// Avoid VC++ warning
-			(void)g;
+			unqualified_getter<detail::as_pointer_tag<T>> g{};
 			return g.get(L, index, tracking);
 #endif
 		}
@@ -1022,7 +1015,7 @@ namespace sol { namespace stack {
 		}
 	};
 
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 
 	template <typename... Tn>
 	struct unqualified_getter<std::variant<Tn...>> {
diff --git a/extern/sol3/sol/stack_guard.hpp b/extern/sol3/sol/stack_guard.hpp
index 9ae9a073d8..ce78ca8787 100644
--- a/extern/sol3/sol/stack_guard.hpp
+++ b/extern/sol3/sol/stack_guard.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -31,7 +31,7 @@
 namespace sol {
 	namespace detail {
 		inline void stack_fail(int, int) {
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
+#if SOL_IS_ON(SOL_EXCEPTIONS)
 			throw error(detail::direct_error, "imbalanced stack after operation finish");
 #else
 			// Lol, what do you want, an error printout? :3c
diff --git a/extern/sol3/sol/stack_iterator.hpp b/extern/sol3/sol/stack_iterator.hpp
index e73a4df2f4..d152be2a75 100644
--- a/extern/sol3/sol/stack_iterator.hpp
+++ b/extern/sol3/sol/stack_iterator.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/stack_pop.hpp b/extern/sol3/sol/stack_pop.hpp
index 065908fc0b..5ef0337317 100644
--- a/extern/sol3/sol/stack_pop.hpp
+++ b/extern/sol3/sol/stack_pop.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/stack_probe.hpp b/extern/sol3/sol/stack_probe.hpp
index 3b97162182..d590a3d0af 100644
--- a/extern/sol3/sol/stack_probe.hpp
+++ b/extern/sol3/sol/stack_probe.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -91,4 +91,4 @@ namespace sol { namespace stack {
 	};
 }} // namespace sol::stack
 
-#endif // SOL_STACK_PROBE_HPP
\ No newline at end of file
+#endif // SOL_STACK_PROBE_HPP
diff --git a/extern/sol3/sol/stack_proxy.hpp b/extern/sol3/sol/stack_proxy.hpp
index 169efd000f..8aa2b24ca2 100644
--- a/extern/sol3/sol/stack_proxy.hpp
+++ b/extern/sol3/sol/stack_proxy.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/stack_proxy_base.hpp b/extern/sol3/sol/stack_proxy_base.hpp
index 75c6e78123..68f01d5548 100644
--- a/extern/sol3/sol/stack_proxy_base.hpp
+++ b/extern/sol3/sol/stack_proxy_base.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/stack_push.hpp b/extern/sol3/sol/stack_push.hpp
index 098fa0a0b2..8b06f4d1ff 100644
--- a/extern/sol3/sol/stack_push.hpp
+++ b/extern/sol3/sol/stack_push.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -30,6 +30,7 @@
 #include <sol/usertype_traits.hpp>
 #include <sol/policies.hpp>
 #include <sol/unicode.hpp>
+#include <sol/assert.hpp>
 
 #include <memory>
 #include <type_traits>
@@ -37,7 +38,7 @@
 #include <limits>
 #include <cmath>
 #include <string_view>
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 #include <variant>
 #endif // Can use variant
 
@@ -52,7 +53,7 @@ namespace sol { namespace stack {
 			constexpr bool is_same_signedness
 				= (std::is_signed_v<T> && std::is_signed_v<lua_Integer>) || (std::is_unsigned_v<T> && std::is_unsigned_v<lua_Integer>);
 			constexpr bool probaby_fits_within_lua_Integer = sizeof(T) == sizeof(lua_Integer)
-#if SOL_IS_ON(SOL_ALL_INTEGER_VALUES_FIT_I_)
+#if SOL_IS_ON(SOL_ALL_INTEGER_VALUES_FIT)
 				&& ((std::has_unique_object_representations_v<T> && std::has_unique_object_representations_v<lua_Integer>) ? true : is_same_signedness)
 #else
 				&& is_same_signedness
@@ -75,7 +76,7 @@ namespace sol { namespace stack {
 		int msvc_is_ass_with_if_constexpr_push_enum(std::true_type, lua_State* L, const T& value) {
 			if constexpr (meta::any_same_v<std::underlying_type_t<T>,
 				              char
-#if SOL_IS_ON(SOL_CHAR8_T_I_)
+#if SOL_IS_ON(SOL_CHAR8_T)
 				              ,
 				              char8_t
 #endif
@@ -101,7 +102,7 @@ namespace sol { namespace stack {
 	} // namespace stack_detail
 
 	inline int push_environment_of(lua_State* L, int target_index = -1) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 		luaL_checkstack(L, 1, detail::not_enough_stack_space_environment);
 #endif // make sure stack doesn't overflow
 #if SOL_LUA_VERSION_I_ < 502
@@ -141,14 +142,18 @@ namespace sol { namespace stack {
 	int push_environment_of(const T& target) {
 		lua_State* target_L = target.lua_state();
 		int target_index = absolute_index(target_L, -target.push());
-		return push_environment_of(target_L, target_index);
+		int env_count = push_environment_of(target_L, target_index);
+		SOL_ASSERT(env_count == 1);
+		lua_rotate(target_L, target_index, 1);
+		lua_pop(target_L, 1);
+		return env_count;
 	}
 
 	template <typename T>
 	struct unqualified_pusher<detail::as_value_tag<T>> {
 		template <typename F, typename... Args>
 		static int push_fx(lua_State* L, F&& f, Args&&... args) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_userdata);
 #endif // make sure stack doesn't overflow
        // Basically, we store all user-data like this:
@@ -193,7 +198,7 @@ namespace sol { namespace stack {
 		static int push_fx(lua_State* L, F&& f, T* obj) {
 			if (obj == nullptr)
 				return stack::push(L, lua_nil);
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_userdata);
 #endif // make sure stack doesn't overflow
 			T** pref = detail::usertype_allocate_pointer<T>(L);
@@ -249,7 +254,7 @@ namespace sol { namespace stack {
 
 			template <typename... Args>
 			static int push_deep(lua_State* L, Args&&... args) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 				luaL_checkstack(L, 1, detail::not_enough_stack_space_userdata);
 #endif // make sure stack doesn't overflow
 				element** pointer_to_memory = nullptr;
@@ -295,7 +300,7 @@ namespace sol { namespace stack {
 				return p[0];
 			}
 			else if constexpr (std::is_same_v<Tu, bool>) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 				luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 				lua_pushboolean(L, std::forward<Args>(args)...);
@@ -303,7 +308,7 @@ namespace sol { namespace stack {
 			}
 			else if constexpr (std::is_integral_v<Tu> || std::is_same_v<Tu, lua_Integer>) {
 				const Tu& value(std::forward<Args>(args)...);
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 				luaL_checkstack(L, 1, detail::not_enough_stack_space_integral);
 #endif // make sure stack doesn't overflow
 #if SOL_LUA_VERSION_I_ >= 503
@@ -312,11 +317,11 @@ namespace sol { namespace stack {
 					return 1;
 				}
 #endif // Lua 5.3 and above
-#if SOL_IS_ON(SOL_NUMBER_PRECISION_CHECKS_I_)
+#if SOL_IS_ON(SOL_NUMBER_PRECISION_CHECKS)
 				if (static_cast<T>(llround(static_cast<lua_Number>(value))) != value) {
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
+#if SOL_IS_OFF(SOL_EXCEPTIONS)
 					// Is this really worth it?
-					assert(false && "integer value will be misrepresented in lua");
+					SOL_ASSERT_MSG(false, "integer value will be misrepresented in lua");
 					lua_pushinteger(L, static_cast<lua_Integer>(value));
 					return 1;
 #else
@@ -328,7 +333,7 @@ namespace sol { namespace stack {
 				return 1;
 			}
 			else if constexpr (std::is_floating_point_v<Tu> || std::is_same_v<Tu, lua_Number>) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 				luaL_checkstack(L, 1, detail::not_enough_stack_space_floating);
 #endif // make sure stack doesn't overflow
 				lua_pushnumber(L, std::forward<Args>(args)...);
@@ -338,7 +343,7 @@ namespace sol { namespace stack {
 				luaL_Stream* source { std::forward<Args>(args)... };
 				luaL_Stream* stream = static_cast<luaL_Stream*>(detail::alloc_newuserdata(L, sizeof(luaL_Stream)));
 				stream->f = source->f;
-#if SOL_IS_ON(SOL_LUAL_STREAM_USE_CLOSE_FUNCTION_I_)
+#if SOL_IS_ON(SOL_LUAL_STREAM_USE_CLOSE_FUNCTION)
 				stream->closef = source->closef;
 #endif // LuaJIT and Lua 5.1 and below do not have
 				return 1;
@@ -347,7 +352,7 @@ namespace sol { namespace stack {
 				luaL_Stream& source(std::forward<Args>(args)...);
 				luaL_Stream* stream = static_cast<luaL_Stream*>(detail::alloc_newuserdata(L, sizeof(luaL_Stream)));
 				stream->f = source.f;
-#if SOL_IS_ON(SOL_LUAL_STREAM_USE_CLOSE_FUNCTION_I_)
+#if SOL_IS_ON(SOL_LUAL_STREAM_USE_CLOSE_FUNCTION)
 				stream->closef = source.closef;
 #endif // LuaJIT and Lua 5.1 and below do not have
 				return 1;
@@ -423,7 +428,7 @@ namespace sol { namespace stack {
 					lua_seti(L, tableindex, static_cast<lua_Integer>(index++));
 				}
 #else
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 				luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 				lua_pushinteger(L, static_cast<lua_Integer>(index));
@@ -436,7 +441,7 @@ namespace sol { namespace stack {
 					int firstindex = tableindex + 1 + 1;
 					for (int pi = 0; pi < p; ++pi) {
 						stack::push(L, index);
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 						luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 						lua_pushvalue(L, firstindex);
@@ -506,8 +511,6 @@ namespace sol { namespace stack {
 	struct unqualified_pusher<std::initializer_list<T>> {
 		static int push(lua_State* L, const std::initializer_list<T>& il) noexcept {
 			unqualified_pusher<detail::as_table_tag<std::initializer_list<T>>> p {};
-			// silence annoying VC++ warning
-			(void)p;
 			return p.push(L, il);
 		}
 	};
@@ -515,7 +518,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<lua_nil_t> {
 		static int push(lua_State* L, lua_nil_t) noexcept {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushnil(L);
@@ -533,7 +536,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<metatable_key_t> {
 		static int push(lua_State* L, metatable_key_t) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushlstring(L, to_string(meta_function::metatable).c_str(), 4);
@@ -544,7 +547,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<std::remove_pointer_t<lua_CFunction>> {
 		static int push(lua_State* L, lua_CFunction func, int n = 0) noexcept {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushcclosure(L, func, n);
@@ -555,7 +558,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<lua_CFunction> {
 		static int push(lua_State* L, lua_CFunction func, int n = 0) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushcclosure(L, func, n);
@@ -563,11 +566,11 @@ namespace sol { namespace stack {
 		}
 	};
 
-#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_)
+#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE)
 	template <>
 	struct unqualified_pusher<std::remove_pointer_t<detail::lua_CFunction_noexcept>> {
 		static int push(lua_State* L, detail::lua_CFunction_noexcept func, int n = 0) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushcclosure(L, func, n);
@@ -578,7 +581,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<detail::lua_CFunction_noexcept> {
 		static int push(lua_State* L, detail::lua_CFunction_noexcept func, int n = 0) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushcclosure(L, func, n);
@@ -590,7 +593,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<c_closure> {
 		static int push(lua_State* L, c_closure cc) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushcclosure(L, cc.c_function, cc.upvalues);
@@ -616,7 +619,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<void*> {
 		static int push(lua_State* L, void* userdata) noexcept {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushlightuserdata(L, userdata);
@@ -627,7 +630,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<const void*> {
 		static int push(lua_State* L, const void* userdata) noexcept {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushlightuserdata(L, const_cast<void*>(userdata));
@@ -638,7 +641,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<lightuserdata_value> {
 		static int push(lua_State* L, lightuserdata_value userdata) noexcept {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushlightuserdata(L, userdata);
@@ -649,10 +652,10 @@ namespace sol { namespace stack {
 	template <typename T>
 	struct unqualified_pusher<light<T>> {
 		static int push(lua_State* L, light<T> l) noexcept {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
-			lua_pushlightuserdata(L, static_cast<void*>(l.value));
+			lua_pushlightuserdata(L, static_cast<void*>(l.value()));
 			return 1;
 		}
 	};
@@ -661,14 +664,14 @@ namespace sol { namespace stack {
 	struct unqualified_pusher<user<T>> {
 		template <bool with_meta = true, typename Key, typename... Args>
 		static int push_with(lua_State* L, Key&& name, Args&&... args) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_userdata);
 #endif // make sure stack doesn't overflow
        // A dumb pusher
 			T* data = detail::user_allocate<T>(L);
 			if (with_meta) {
 				// Make sure we have a plain GC set for this data
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 				luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 				if (luaL_newmetatable(L, name) != 0) {
@@ -724,7 +727,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<userdata_value> {
 		static int push(lua_State* L, userdata_value data) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_userdata);
 #endif // make sure stack doesn't overflow
 			void** ud = detail::usertype_allocate_pointer<void>(L);
@@ -736,7 +739,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<const char*> {
 		static int push_sized(lua_State* L, const char* str, std::size_t len) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_string);
 #endif // make sure stack doesn't overflow
 			lua_pushlstring(L, str, len);
@@ -788,7 +791,7 @@ namespace sol { namespace stack {
 	template <size_t N>
 	struct unqualified_pusher<char[N]> {
 		static int push(lua_State* L, const char (&str)[N]) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_string);
 #endif // make sure stack doesn't overflow
 			lua_pushlstring(L, str, std::char_traits<char>::length(str));
@@ -796,7 +799,7 @@ namespace sol { namespace stack {
 		}
 
 		static int push(lua_State* L, const char (&str)[N], std::size_t sz) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_string);
 #endif // make sure stack doesn't overflow
 			lua_pushlstring(L, str, sz);
@@ -812,11 +815,11 @@ namespace sol { namespace stack {
 		}
 	};
 
-#if SOL_IS_ON(SOL_CHAR8_T_I_)
+#if SOL_IS_ON(SOL_CHAR8_T)
 	template <>
 	struct unqualified_pusher<const char8_t*> {
 		static int push_sized(lua_State* L, const char8_t* str, std::size_t len) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_string);
 #endif // make sure stack doesn't overflow
 			lua_pushlstring(L, reinterpret_cast<const char*>(str), len);
@@ -868,7 +871,7 @@ namespace sol { namespace stack {
 	template <size_t N>
 	struct unqualified_pusher<char8_t[N]> {
 		static int push(lua_State* L, const char8_t (&str)[N]) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_string);
 #endif // make sure stack doesn't overflow
 			const char* str_as_char = reinterpret_cast<const char*>(static_cast<const char8_t*>(str));
@@ -877,7 +880,7 @@ namespace sol { namespace stack {
 		}
 
 		static int push(lua_State* L, const char8_t (&str)[N], std::size_t sz) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_string);
 #endif // make sure stack doesn't overflow
 			lua_pushlstring(L, str, sz);
@@ -902,7 +905,7 @@ namespace sol { namespace stack {
 				return stack::push(L, str.data(), str.size());
 			}
 			else {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 				luaL_checkstack(L, 1, detail::not_enough_stack_space_string);
 #endif // make sure stack doesn't overflow
 				lua_pushlstring(L, str.c_str(), str.size());
@@ -915,7 +918,7 @@ namespace sol { namespace stack {
 				return stack::push(L, str.data(), sz);
 			}
 			else {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 				luaL_checkstack(L, 1, detail::not_enough_stack_space_string);
 #endif // make sure stack doesn't overflow
 				lua_pushlstring(L, str.c_str(), sz);
@@ -938,7 +941,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<meta_function> {
 		static int push(lua_State* L, meta_function m) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_meta_function_name);
 #endif // make sure stack doesn't overflow
 			const std::string& str = to_string(m);
@@ -950,7 +953,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<absolute_index> {
 		static int push(lua_State* L, absolute_index ai) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushvalue(L, ai);
@@ -961,7 +964,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<raw_index> {
 		static int push(lua_State* L, raw_index ri) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_pushvalue(L, ri);
@@ -972,7 +975,7 @@ namespace sol { namespace stack {
 	template <>
 	struct unqualified_pusher<ref_index> {
 		static int push(lua_State* L, ref_index ri) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, 1, detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			lua_rawgeti(L, LUA_REGISTRYINDEX, ri);
@@ -1244,7 +1247,7 @@ namespace sol { namespace stack {
 	struct unqualified_pusher<std::tuple<Args...>> {
 		template <std::size_t... I, typename T>
 		static int push(std::index_sequence<I...>, lua_State* L, T&& t) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L, static_cast<int>(sizeof...(I)), detail::not_enough_stack_space_generic);
 #endif // make sure stack doesn't overflow
 			int pushcount = 0;
@@ -1348,7 +1351,7 @@ namespace sol { namespace stack {
 		}
 	};
 
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 	namespace stack_detail {
 
 		struct push_function {
diff --git a/extern/sol3/sol/stack_reference.hpp b/extern/sol3/sol/stack_reference.hpp
index 18b987d6a0..d3a2ac586d 100644
--- a/extern/sol3/sol/stack_reference.hpp
+++ b/extern/sol3/sol/stack_reference.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -70,7 +70,7 @@ namespace sol {
 		stateless_stack_reference& operator=(const stateless_stack_reference&) noexcept = default;
 
 		int push(lua_State* L_) const noexcept {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 			luaL_checkstack(L_, 1, "not enough Lua stack space to push a single reference value");
 #endif // make sure stack doesn't overflow
 			lua_pushvalue(L_, m_index);
@@ -153,7 +153,7 @@ namespace sol {
 			}
 			int i = r.stack_index();
 			if (detail::xmovable(lua_state(), r.lua_state())) {
-#if SOL_IS_ON(SOL_SAFE_STACK_CHECK_I_)
+#if SOL_IS_ON(SOL_SAFE_STACK_CHECK)
 				luaL_checkstack(L, 1, "not enough Lua stack space to push a single reference value");
 #endif // make sure stack doesn't overflow
 				lua_pushvalue(r.lua_state(), r.stack_index());
diff --git a/extern/sol3/sol/state.hpp b/extern/sol3/sol/state.hpp
index 1f0f0bc418..ed2412ed65 100644
--- a/extern/sol3/sol/state.hpp
+++ b/extern/sol3/sol/state.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/state_handling.hpp b/extern/sol3/sol/state_handling.hpp
index 52bfd52796..c3efe6c7ea 100644
--- a/extern/sol3/sol/state_handling.hpp
+++ b/extern/sol3/sol/state_handling.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -31,7 +31,7 @@
 #include <sol/object.hpp>
 #include <sol/lua_value.hpp>
 
-#if SOL_IS_ON(SOL_PRINT_ERRORS_I_)
+#if SOL_IS_ON(SOL_PRINT_ERRORS)
 #include <iostream>
 #endif
 
@@ -51,7 +51,7 @@ namespace sol {
 	}
 
 	inline int default_at_panic(lua_State* L) {
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
+#if SOL_IS_OFF(SOL_EXCEPTIONS)
 		(void)L;
 		return -1;
 #else
@@ -60,7 +60,7 @@ namespace sol {
 		if (message) {
 			std::string err(message, messagesize);
 			lua_settop(L, 0);
-#if SOL_IS_ON(SOL_PRINT_ERRORS_I_)
+#if SOL_IS_ON(SOL_PRINT_ERRORS)
 			std::cerr << "[sol2] An error occurred and panic has been invoked: ";
 			std::cerr << err;
 			std::cerr << std::endl;
@@ -85,7 +85,7 @@ namespace sol {
 			const string_view& traceback = maybetraceback.value();
 			msg.assign(traceback.data(), traceback.size());
 		}
-#if SOL_IS_ON(SOL_PRINT_ERRORS_I_)
+#if SOL_IS_ON(SOL_PRINT_ERRORS)
 		// std::cerr << "[sol2] An error occurred and was caught in traceback: ";
 		// std::cerr << msg;
 		// std::cerr << std::endl;
@@ -120,7 +120,7 @@ namespace sol {
 		std::string err = "sol: ";
 		err += to_string(result.status());
 		err += " error";
-#if SOL_IS_ON(SOL_EXCEPTIONS_I_)
+#if SOL_IS_ON(SOL_EXCEPTIONS)
 		std::exception_ptr eptr = std::current_exception();
 		if (eptr) {
 			err += " with a ";
@@ -149,7 +149,7 @@ namespace sol {
 			string_view serr = stack::unqualified_get<string_view>(L, result.stack_index());
 			err.append(serr.data(), serr.size());
 		}
-#if SOL_IS_ON(SOL_PRINT_ERRORS_I_)
+#if SOL_IS_ON(SOL_PRINT_ERRORS)
 		std::cerr << "[sol2] An error occurred and has been passed to an error handler: ";
 		std::cerr << err;
 		std::cerr << std::endl;
@@ -165,7 +165,7 @@ namespace sol {
 		if (towards != 0) {
 			lua_rotate(L, top, towards);
 		}
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
+#if SOL_IS_OFF(SOL_EXCEPTIONS)
 		return result;
 #else
 		// just throw our error
@@ -174,7 +174,7 @@ namespace sol {
 	}
 
 	inline protected_function_result script_default_on_error(lua_State* L, protected_function_result pfr) {
-#if SOL_IS_ON(SOL_DEFAULT_PASS_ON_ERROR_I_)
+#if SOL_IS_ON(SOL_DEFAULT_PASS_ON_ERROR)
 		return script_pass_on_error(L, std::move(pfr));
 #else
 		return script_throw_on_error(L, std::move(pfr));
diff --git a/extern/sol3/sol/state_view.hpp b/extern/sol3/sol/state_view.hpp
index 6cbcf1188f..fe736d13a7 100644
--- a/extern/sol3/sol/state_view.hpp
+++ b/extern/sol3/sol/state_view.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -129,7 +129,7 @@ namespace sol {
 
 				for (auto&& library : libraries) {
 					switch (library) {
-#if SOL_LUA_VERSION_I_ <= 501 && SOL_IS_ON(SOL_USE_LUAJIT_I_)
+#if SOL_LUA_VERSION_I_ <= 501 && SOL_IS_ON(SOL_USE_LUAJIT)
 					case lib::coroutine:
 #endif // luajit opens coroutine base stuff
 					case lib::base:
@@ -140,7 +140,7 @@ namespace sol {
 						luaL_requiref(L, "package", luaopen_package, 1);
 						lua_pop(L, 1);
 						break;
-#if SOL_IS_OFF(SOL_USE_LUAJIT_I_)
+#if SOL_IS_OFF(SOL_USE_LUAJIT)
 					case lib::coroutine:
 #if SOL_LUA_VERSION_I_ > 501
 						luaL_requiref(L, "coroutine", luaopen_coroutine, 1);
@@ -161,10 +161,10 @@ namespace sol {
 						lua_pop(L, 1);
 						break;
 					case lib::bit32:
-#if SOL_IS_ON(SOL_USE_LUAJIT_I_)
+#if SOL_IS_ON(SOL_USE_LUAJIT)
 						luaL_requiref(L, "bit32", luaopen_bit, 1);
 						lua_pop(L, 1);
-#elif SOL_IS_ON(SOL_LUA_BIT32_LIB_I_)
+#elif SOL_IS_ON(SOL_LUA_BIT32_LIB)
 						luaL_requiref(L, "bit32", luaopen_bit32, 1);
 						lua_pop(L, 1);
 #else
@@ -183,19 +183,19 @@ namespace sol {
 						lua_pop(L, 1);
 						break;
 					case lib::utf8:
-#if SOL_LUA_VERSION_I_ > 502 && SOL_IS_OFF(SOL_USE_LUAJIT_I_)
+#if SOL_LUA_VERSION_I_ > 502 && SOL_IS_OFF(SOL_USE_LUAJIT)
 						luaL_requiref(L, "utf8", luaopen_utf8, 1);
 						lua_pop(L, 1);
 #endif // Lua 5.3+ only
 						break;
 					case lib::ffi:
-#if SOL_IS_ON(SOL_USE_LUAJIT_I_) && SOL_IS_OFF(SOL_LUAJIT_FFI_DISABLED_I_)
+#if SOL_IS_ON(SOL_USE_LUAJIT) && SOL_IS_OFF(SOL_LUAJIT_FFI_DISABLED)
 						luaL_requiref(L, "ffi", luaopen_ffi, 1);
 						lua_pop(L, 1);
 #endif // LuaJIT only
 						break;
 					case lib::jit:
-#if SOL_IS_ON(SOL_USE_LUAJIT_I_)
+#if SOL_IS_ON(SOL_USE_LUAJIT)
 						luaL_requiref(L, "jit", luaopen_jit, 0);
 						lua_pop(L, 1);
 #endif // LuaJIT Only
@@ -551,7 +551,7 @@ namespace sol {
 			return safe_script_file(filename, env, script_default_on_error, mode);
 		}
 
-#if SOL_IS_ON(SOL_SAFE_FUNCTION_OBJECTS_I_)
+#if SOL_IS_ON(SOL_SAFE_FUNCTION_OBJECTS)
 		protected_function_result script(
 		     lua_Reader reader, void* data, const std::string& chunkname = detail::default_chunk_name(), load_mode mode = load_mode::any) {
 			return safe_script(reader, data, chunkname, mode);
diff --git a/extern/sol3/sol/string_view.hpp b/extern/sol3/sol/string_view.hpp
index 19f89f53cd..5d145cc5fc 100644
--- a/extern/sol3/sol/string_view.hpp
+++ b/extern/sol3/sol/string_view.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/table.hpp b/extern/sol3/sol/table.hpp
index 7fca05b7bc..f64746dcbb 100644
--- a/extern/sol3/sol/table.hpp
+++ b/extern/sol3/sol/table.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/table_core.hpp b/extern/sol3/sol/table_core.hpp
index df2ace5c56..7b8eb353f1 100644
--- a/extern/sol3/sol/table_core.hpp
+++ b/extern/sol3/sol/table_core.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -330,7 +330,7 @@ namespace sol {
 
 		template <typename T, meta::enable_any<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_table_core(lua_State* L, T&& r) : base_t(L, std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			int table_index = pp.index_of(*this);
 			constructor_handler handler {};
@@ -345,14 +345,14 @@ namespace sol {
 		}
 
 		basic_table_core(lua_State* L, int index = -1) : basic_table_core(detail::no_safety, L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_table_core>(L, index, handler);
 #endif // Safety
 		}
 
 		basic_table_core(lua_State* L, ref_index index) : basic_table_core(detail::no_safety, L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			int table_index = pp.index_of(*this);
 			constructor_handler handler {};
@@ -364,7 +364,7 @@ namespace sol {
 		     meta::enable<meta::neg<meta::any_same<meta::unqualified_t<T>, basic_table_core>>, meta::neg<std::is_same<ref_t, stack_reference>>,
 		          meta::neg<std::is_same<lua_nil_t, meta::unqualified_t<T>>>, is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_table_core(T&& r) noexcept : basic_table_core(detail::no_safety, std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			if (!is_table<meta::unqualified_t<T>>::value) {
 				auto pp = stack::push_pop(*this);
 				int table_index = pp.index_of(*this);
@@ -644,7 +644,7 @@ namespace sol {
 			auto pp = stack::push_pop(*this);
 			int table_index = pp.index_of(*this);
 			lua_State* L = base_t::lua_state();
-			(void)detail::swallow { 0, (stack::set_ref(L, std::forward<Args>(args), table_index), 0)... };
+			(void)detail::swallow { 0, (stack::stack_detail::raw_table_set(L, std::forward<Args>(args), table_index), 0)... };
 			return *this;
 		}
 
diff --git a/extern/sol3/sol/table_iterator.hpp b/extern/sol3/sol/table_iterator.hpp
index 8cf6f07575..3a0127cfac 100644
--- a/extern/sol3/sol/table_iterator.hpp
+++ b/extern/sol3/sol/table_iterator.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/table_proxy.hpp b/extern/sol3/sol/table_proxy.hpp
index 680d2329f4..13c9006f7b 100644
--- a/extern/sol3/sol/table_proxy.hpp
+++ b/extern/sol3/sol/table_proxy.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -77,6 +77,15 @@ namespace sol {
 		table_proxy(Table table, T&& k) : tbl(table), key(std::forward<T>(k)) {
 		}
 
+		table_proxy(const table_proxy&) = default;
+		table_proxy(table_proxy&&) = default;
+		table_proxy& operator=(const table_proxy& right) {
+			return set(right);
+		}
+		table_proxy& operator=(table_proxy&& right) {
+			return set(std::move(right));
+		}
+
 		template <typename T>
 		table_proxy& set(T&& item) & {
 			tuple_set(std::make_index_sequence<std::tuple_size_v<meta::unqualified_t<key_type>>>(), std::forward<T>(item));
@@ -101,7 +110,7 @@ namespace sol {
 			return std::move(*this);
 		}
 
-		template <typename T>
+		template <typename T, std::enable_if_t<!std::is_same_v<meta::unqualified_t<T>, table_proxy>>* = nullptr>
 		table_proxy& operator=(T&& other) & {
 			using Tu = meta::unwrap_unqualified_t<T>;
 			if constexpr (!is_lua_reference_or_proxy_v<Tu> && meta::is_invocable_v<Tu>) {
@@ -112,7 +121,7 @@ namespace sol {
 			}
 		}
 
-		template <typename T>
+		template <typename T, std::enable_if_t<!std::is_same_v<meta::unqualified_t<T>, table_proxy>>* = nullptr>
 		table_proxy&& operator=(T&& other) && {
 			using Tu = meta::unwrap_unqualified_t<T>;
 			if constexpr (!is_lua_reference_or_proxy_v<Tu> && meta::is_invocable_v<Tu> && !detail::is_msvc_callable_rigged_v<T>) {
@@ -133,6 +142,13 @@ namespace sol {
 			return std::move(*this).set(std::move(other));
 		}
 
+		template <typename T>
+		bool is() const {
+			typedef decltype(get<T>()) U;
+			optional<U> option = this->get<optional<U>>();
+			return option.has_value();
+		}
+
 		template <typename T>
 		decltype(auto) get() const& {
 			using idx_seq = std::make_index_sequence<std::tuple_size_v<meta::unqualified_t<key_type>>>;
diff --git a/extern/sol3/sol/thread.hpp b/extern/sol3/sol/thread.hpp
index fc933d0e9a..44367f19be 100644
--- a/extern/sol3/sol/thread.hpp
+++ b/extern/sol3/sol/thread.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -94,7 +94,7 @@ namespace sol {
 		template <typename T,
 		     meta::enable<meta::neg<std::is_same<meta::unqualified_t<T>, basic_thread>>, is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_thread(T&& r) : base_t(std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_thread>(lua_state(), -1, handler);
@@ -106,20 +106,20 @@ namespace sol {
 		basic_thread& operator=(basic_thread&&) = default;
 		template <typename T, meta::enable<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_thread(lua_State* L, T&& r) : base_t(L, std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_thread>(lua_state(), -1, handler);
 #endif // Safety
 		}
 		basic_thread(lua_State* L, int index = -1) : base_t(L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_thread>(L, index, handler);
 #endif // Safety
 		}
 		basic_thread(lua_State* L, ref_index index) : base_t(L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_thread>(lua_state(), -1, handler);
@@ -130,7 +130,7 @@ namespace sol {
 		basic_thread(lua_State* L, this_state actualthread) : basic_thread(L, lua_thread_state { actualthread.L }) {
 		}
 		basic_thread(lua_State* L, lua_thread_state actualthread) : base_t(L, -stack::push(L, actualthread)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_thread>(lua_state(), -1, handler);
 #endif // Safety
diff --git a/extern/sol3/sol/tie.hpp b/extern/sol3/sol/tie.hpp
index 6f6b7dc46d..41db45f8d0 100644
--- a/extern/sol3/sol/tie.hpp
+++ b/extern/sol3/sol/tie.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/traits.hpp b/extern/sol3/sol/traits.hpp
index 5af4cb374a..372c97be99 100644
--- a/extern/sol3/sol/traits.hpp
+++ b/extern/sol3/sol/traits.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -37,7 +37,7 @@
 #include <array>
 #include <iterator>
 #include <iosfwd>
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 #include <variant>
 #endif // variant is weird on XCode, thanks XCode
 
@@ -479,7 +479,7 @@ namespace sol { namespace meta {
 		template <typename T, typename U>
 		class supports_op_less_test<T, U, void_t<decltype(std::declval<T&>() < std::declval<U&>())>>
 		: public std::integral_constant<bool,
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 			  !is_specialization_of_v<unqualified_t<T>, std::variant> && !is_specialization_of_v<unqualified_t<U>, std::variant>
 #else
 			  true
@@ -492,7 +492,7 @@ namespace sol { namespace meta {
 		template <typename T, typename U>
 		class supports_op_equal_test<T, U, void_t<decltype(std::declval<T&>() == std::declval<U&>())>>
 		: public std::integral_constant<bool,
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 			  !is_specialization_of_v<unqualified_t<T>, std::variant> && !is_specialization_of_v<unqualified_t<U>, std::variant>
 #else
 			  true
@@ -505,7 +505,7 @@ namespace sol { namespace meta {
 		template <typename T, typename U>
 		class supports_op_less_equal_test<T, U, void_t<decltype(std::declval<T&>() <= std::declval<U&>())>>
 		: public std::integral_constant<bool,
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 			  !is_specialization_of_v<unqualified_t<T>, std::variant> && !is_specialization_of_v<unqualified_t<U>, std::variant>
 #else
 			  true
@@ -530,8 +530,20 @@ namespace sol { namespace meta {
 
 		template <typename T>
 		using non_void_t = meta::conditional_t<std::is_void_v<T>, ::sol::detail::unchecked_t, T>;
+
+		template <typename T>
+		using detect_sentinel = typename T::sentinel;
 	} // namespace meta_detail
 
+	template <typename T, typename Fallback>
+	class sentinel_or {
+	public:
+		using type = detected_or_t<Fallback, meta_detail::detect_sentinel, T>;
+	};
+
+	template <typename T, typename Fallback>
+	using sentinel_or_t = typename sentinel_or<T, Fallback>::type;
+
 	template <typename T, typename U = T>
 	class supports_op_less : public meta_detail::supports_op_less_test<T, U> { };
 
@@ -626,11 +638,12 @@ namespace sol { namespace meta {
 	constexpr inline bool is_string_literal_array_of_v = is_string_literal_array_of<T, CharT>::value;
 
 	template <typename T>
-	using is_string_literal_array = boolean<std::is_array_v<T> && any_same_v<std::remove_all_extents_t<T>, char,
-#if SOL_IS_ON(SOL_CHAR8_T_I_)
-	char8_t,
+	using is_string_literal_array = boolean<std::is_array_v<T>
+		&& any_same_v<std::remove_all_extents_t<T>, char,
+#if SOL_IS_ON(SOL_CHAR8_T)
+		     char8_t,
 #endif
-	char16_t, char32_t, wchar_t>>;
+		     char16_t, char32_t, wchar_t>>;
 
 	template <typename T>
 	constexpr inline bool is_string_literal_array_v = is_string_literal_array<T>::value;
@@ -661,9 +674,8 @@ namespace sol { namespace meta {
 	constexpr inline bool is_string_like_v = is_string_like<T>::value;
 
 	template <typename T, typename CharT = char>
-	using is_string_constructible = meta::boolean<
-		is_string_literal_array_of_v<T,
-		     CharT> || std::is_same_v<T, const CharT*> || std::is_same_v<T, CharT> || is_string_of_v<T, CharT> || std::is_same_v<T, std::initializer_list<CharT>> || is_string_view_of_v<T, CharT> || std::is_null_pointer_v<T>>;
+	using is_string_constructible = meta::boolean<is_string_literal_array_of_v<T, CharT> || std::is_same_v<T, const CharT*> || std::is_same_v<T, CharT>
+		|| is_string_of_v<T, CharT> || std::is_same_v<T, std::initializer_list<CharT>> || is_string_view_of_v<T, CharT> || std::is_null_pointer_v<T>>;
 
 	template <typename T, typename CharT = char>
 	constexpr inline bool is_string_constructible_v = is_string_constructible<T, CharT>::value;
@@ -733,7 +745,6 @@ namespace sol { namespace meta {
 	struct iterator_tag<T, conditional_t<false, typename std::iterator_traits<T>::iterator_category, void>> {
 		using type = typename std::iterator_traits<T>::iterator_category;
 	};
-
-}} // namespace sol::meta
+}}     // namespace sol::meta
 
 #endif // SOL_TRAITS_HPP
diff --git a/extern/sol3/sol/trampoline.hpp b/extern/sol3/sol/trampoline.hpp
index d4e5bfc5c7..3a3ceb9bc9 100644
--- a/extern/sol3/sol/trampoline.hpp
+++ b/extern/sol3/sol/trampoline.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -29,7 +29,7 @@
 #include <exception>
 #include <cstring>
 
-#if SOL_IS_ON(SOL_PRINT_ERRORS_I_)
+#if SOL_IS_ON(SOL_PRINT_ERRORS)
 #include <iostream>
 #endif
 
@@ -47,7 +47,7 @@ namespace sol {
 
 		// must push at least 1 object on the stack
 		inline int default_exception_handler(lua_State* L, optional<const std::exception&>, string_view what) {
-#if SOL_IS_ON(SOL_PRINT_ERRORS_I_)
+#if SOL_IS_ON(SOL_PRINT_ERRORS)
 			std::cerr << "[sol2] An exception occurred: ";
 			std::cerr.write(what.data(), static_cast<std::streamsize>(what.size()));
 			std::cerr << std::endl;
@@ -72,13 +72,13 @@ namespace sol {
 			return exfunc(L, std::move(maybe_ex), std::move(what));
 		}
 
-#if SOL_IS_OFF(SOL_EXCEPTIONS_I_)
+#if SOL_IS_OFF(SOL_EXCEPTIONS)
 		template <lua_CFunction f>
 		int static_trampoline(lua_State* L) noexcept {
 			return f(L);
 		}
 
-#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_)
+#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE)
 		template <lua_CFunction_noexcept f>
 		int static_trampoline_noexcept(lua_State* L) noexcept {
 			return f(L);
@@ -101,7 +101,7 @@ namespace sol {
 #else
 
 		inline int lua_cfunction_trampoline(lua_State* L, lua_CFunction f) {
-#if SOL_IS_ON(SOL_PROPAGATE_EXCEPTIONS_I_)
+#if SOL_IS_ON(SOL_PROPAGATE_EXCEPTIONS)
 			return f(L);
 #else
 			try {
@@ -116,14 +116,14 @@ namespace sol {
 			catch (const std::exception& e) {
 				call_exception_handler(L, optional<const std::exception&>(e), e.what());
 			}
-#if SOL_IS_ON(SOL_EXCEPTIONS_CATCH_ALL_I_)
+#if SOL_IS_ON(SOL_EXCEPTIONS_CATCH_ALL)
 			// LuaJIT cannot have the catchall when the safe propagation is on
 			// but LuaJIT will swallow all C++ errors
 			// if we don't at least catch std::exception ones
 			catch (...) {
 				call_exception_handler(L, optional<const std::exception&>(nullopt), "caught (...) exception");
 			}
-#endif // LuaJIT cannot have the catchall, but we must catch std::exceps for it
+#endif
 			return lua_error(L);
 #endif // Safe exceptions
 		}
@@ -133,7 +133,7 @@ namespace sol {
 			return lua_cfunction_trampoline(L, f);
 		}
 
-#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_)
+#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE)
 		template <lua_CFunction_noexcept f>
 		int static_trampoline_noexcept(lua_State* L) noexcept {
 			return f(L);
@@ -151,7 +151,7 @@ namespace sol {
 				return f(L, std::forward<Args>(args)...);
 			}
 			else {
-#if SOL_IS_ON(SOL_PROPAGATE_EXCEPTIONS_I_)
+#if SOL_IS_ON(SOL_PROPAGATE_EXCEPTIONS)
 				return f(L, std::forward<Args>(args)...);
 #else
 				try {
@@ -166,7 +166,7 @@ namespace sol {
 				catch (const std::exception& e) {
 					call_exception_handler(L, optional<const std::exception&>(e), e.what());
 				}
-#if SOL_IS_ON(SOL_EXCEPTIONS_CATCH_ALL_I_)
+#if SOL_IS_ON(SOL_EXCEPTIONS_CATCH_ALL)
 				// LuaJIT cannot have the catchall when the safe propagation is on
 				// but LuaJIT will swallow all C++ errors
 				// if we don't at least catch std::exception ones
@@ -187,11 +187,12 @@ namespace sol {
 		template <typename F, F fx>
 		inline int typed_static_trampoline(lua_State* L) {
 #if 0
-			// TODO: you must evaluate the get/check_get of every
+			// NOTE: you must evaluate the get/check_get of every
 			// argument, to ensure it doesn't throw
 			// (e.g., for the sol_lua_check_access extension point!)
 			// This incluudes properly noexcept-ing all the above
 			// trampolines / safety nets
+			// This is currently not done properly because it's an enormous pain in the ass to attempt to accomplish.
 			if constexpr (meta::bind_traits<F>::is_noexcept) {
 				return static_trampoline_noexcept<fx>(L);
 			}
diff --git a/extern/sol3/sol/tuple.hpp b/extern/sol3/sol/tuple.hpp
index 92c242658d..5024e35b15 100644
--- a/extern/sol3/sol/tuple.hpp
+++ b/extern/sol3/sol/tuple.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/types.hpp b/extern/sol3/sol/types.hpp
index 23cfbbf0f3..204516a21e 100644
--- a/extern/sol3/sol/types.hpp
+++ b/extern/sol3/sol/types.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -39,8 +39,10 @@
 #include <initializer_list>
 #include <string>
 #include <string_view>
+#include <limits>
 #include <optional>
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#include <memory>
+#if SOL_IS_ON(SOL_STD_VARIANT)
 #include <variant>
 #endif // variant shenanigans (thanks, Mac OSX)
 
@@ -55,7 +57,7 @@ namespace sol {
 	} // namespace d
 
 	namespace detail {
-#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_)
+#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE)
 		typedef int (*lua_CFunction_noexcept)(lua_State* L) noexcept;
 #else
 		typedef int (*lua_CFunction_noexcept)(lua_State* L);
@@ -92,7 +94,7 @@ namespace sol {
 	inline bool operator!=(lua_nil_t, lua_nil_t) {
 		return false;
 	}
-#if SOL_IS_ON(SOL_NIL_I_)
+#if SOL_IS_ON(SOL_NIL)
 	using nil_t = lua_nil_t;
 	inline constexpr const nil_t& nil = lua_nil;
 #endif
@@ -465,6 +467,63 @@ namespace sol {
 		return as_container_t<T>(std::forward<T>(value));
 	}
 
+	template <typename T, std::size_t Limit = 15>
+	struct exhaustive_until : private detail::ebco<T> {
+	private:
+		using base_t = detail::ebco<T>;
+
+	public:
+		using base_t::base_t;
+
+		using base_t::value;
+
+		operator std::add_pointer_t<std::remove_reference_t<T>>() {
+			return std::addressof(this->base_t::value());
+		}
+
+		operator std::add_pointer_t<std::add_const_t<std::remove_reference_t<T>>>() const {
+			return std::addressof(this->base_t::value());
+		}
+
+		operator std::add_lvalue_reference_t<T>() {
+			return this->base_t::value();
+		}
+
+		operator std::add_const_t<std::add_lvalue_reference_t<T>>&() const {
+			return this->base_t::value();
+		}
+	};
+
+	template <typename T>
+	using exhaustive = exhaustive_until<T, (std::numeric_limits<size_t>::max)()>;
+
+	template <typename T>
+	struct non_exhaustive : private detail::ebco<T> {
+	private:
+		using base_t = detail::ebco<T>;
+
+	public:
+		using base_t::base_t;
+
+		using base_t::value;
+
+		operator std::add_pointer_t<std::remove_reference_t<T>>() {
+			return std::addressof(this->base_t::value());
+		}
+
+		operator std::add_pointer_t<std::add_const_t<std::remove_reference_t<T>>>() const {
+			return std::addressof(this->base_t::value());
+		}
+
+		operator std::add_lvalue_reference_t<T>() {
+			return this->base_t::value();
+		}
+
+		operator std::add_const_t<std::add_lvalue_reference_t<T>>&() const {
+			return this->base_t::value();
+		}
+	};
+
 	template <typename T>
 	struct push_invoke_t : private detail::ebco<T> {
 	private:
@@ -658,7 +717,7 @@ namespace sol {
 	enum class type : int {
 		none = LUA_TNONE,
 		lua_nil = LUA_TNIL,
-#if SOL_IS_ON(SOL_NIL_I_)
+#if SOL_IS_ON(SOL_NIL)
 		nil = lua_nil,
 #endif // Objective C/C++ Keyword that's found in OSX SDK and OBJC -- check for all forms to protect
 		string = LUA_TSTRING,
@@ -932,7 +991,7 @@ namespace sol {
 		template <std::size_t N>
 		struct lua_type_of<wchar_t[N]> : std::integral_constant<type, type::string> { };
 
-#if SOL_IS_ON(SOL_CHAR8_T_I_)
+#if SOL_IS_ON(SOL_CHAR8_T)
 		template <std::size_t N>
 		struct lua_type_of<char8_t[N]> : std::integral_constant<type, type::string> { };
 #endif
@@ -949,7 +1008,7 @@ namespace sol {
 		template <>
 		struct lua_type_of<wchar_t> : std::integral_constant<type, type::string> { };
 
-#if SOL_IS_ON(SOL_CHAR8_T_I_)
+#if SOL_IS_ON(SOL_CHAR8_T)
 		template <>
 		struct lua_type_of<char8_t> : std::integral_constant<type, type::string> { };
 #endif
@@ -966,7 +1025,7 @@ namespace sol {
 		template <>
 		struct lua_type_of<const wchar_t*> : std::integral_constant<type, type::string> { };
 
-#if SOL_IS_ON(SOL_CHAR8_T_I_)
+#if SOL_IS_ON(SOL_CHAR8_T)
 		template <>
 		struct lua_type_of<const char8_t*> : std::integral_constant<type, type::string> { };
 #endif
@@ -1115,7 +1174,7 @@ namespace sol {
 		template <>
 		struct lua_type_of<type> : std::integral_constant<type, type::poly> { };
 
-#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE_I_)
+#if SOL_IS_ON(SOL_GET_FUNCTION_POINTER_UNSAFE)
 		template <typename T>
 		struct lua_type_of<T*> : std::integral_constant<type, std::is_function_v<T> ? type::function : type::userdata> { };
 #else
@@ -1136,7 +1195,7 @@ namespace sol {
 		template <>
 		struct lua_type_of<meta_function> : std::integral_constant<type, type::string> { };
 
-#if SOL_IS_ON(SOL_STD_VARIANT_I_)
+#if SOL_IS_ON(SOL_STD_VARIANT)
 		template <typename... Tn>
 		struct lua_type_of<std::variant<Tn...>> : std::integral_constant<type, type::poly> { };
 #endif // std::variant deployment sucks on Clang
@@ -1193,19 +1252,21 @@ namespace sol {
 	} // namespace detail
 
 	template <typename T>
-	struct is_lua_primitive
-	: std::integral_constant<bool,
-	       type::userdata
-	                 != lua_type_of_v<
-	                      T> || ((type::userdata == lua_type_of_v<T>)&&meta::meta_detail::has_internal_marker_v<lua_type_of<T>> && !meta::meta_detail::has_internal_marker_v<lua_size<T>>)
-	            || is_lua_reference_or_proxy_v<T> || meta::is_specialization_of_v<T, std::tuple> || meta::is_specialization_of_v<T, std::pair>> { };
+	struct is_lua_primitive : std::integral_constant<bool,
+	                               type::userdata != lua_type_of_v<T>                                   // cf
+	                                    || ((type::userdata == lua_type_of_v<T>)                        // cf
+	                                         &&meta::meta_detail::has_internal_marker_v<lua_type_of<T>> // cf
+	                                         && !meta::meta_detail::has_internal_marker_v<lua_size<T>>) // cf
+	                                    || is_lua_reference_or_proxy_v<T>                               // cf
+	                                    || meta::is_specialization_of_v<T, std::tuple>                  // cf
+	                                    || meta::is_specialization_of_v<T, std::pair>> { };
 
 	template <typename T>
 	constexpr inline bool is_lua_primitive_v = is_lua_primitive<T>::value;
 
 	template <typename T>
 	struct is_value_semantic_for_function
-#if SOL_IS_ON(SOL_FUNCTION_CALL_VALUE_SEMANTICS_I_)
+#if SOL_IS_ON(SOL_FUNCTION_CALL_VALUE_SEMANTICS)
 	: std::true_type {
 	};
 #else
@@ -1360,7 +1421,7 @@ namespace sol {
 	template <typename T>
 	struct is_automagical
 	: std::integral_constant<bool,
-	       (SOL_IS_ON(SOL_DEFAULT_AUTOMAGICAL_USERTYPES_I_))
+	       (SOL_IS_ON(SOL_DEFAULT_AUTOMAGICAL_USERTYPES))
 	            || (std::is_array_v<
 	                     meta::unqualified_t<T>> || (!std::is_same_v<meta::unqualified_t<T>, state> && !std::is_same_v<meta::unqualified_t<T>, state_view>))> {
 	};
diff --git a/extern/sol3/sol/unique_usertype_traits.hpp b/extern/sol3/sol/unique_usertype_traits.hpp
index f37fb86641..66e917a919 100644
--- a/extern/sol3/sol/unique_usertype_traits.hpp
+++ b/extern/sol3/sol/unique_usertype_traits.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/unreachable.hpp b/extern/sol3/sol/unreachable.hpp
new file mode 100644
index 0000000000..7ec43de24d
--- /dev/null
+++ b/extern/sol3/sol/unreachable.hpp
@@ -0,0 +1,37 @@
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 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_UNREACHABLE_HPP
+#define SOL_UNREACHABLE_HPP
+
+#include <sol/version.hpp>
+
+#if SOL_HAS_BUILTIN_I_(__builtin_unreachable)
+#define SOL_UNREACHABLE() __builtin_unreachable();
+#elif SOL_IS_ON(SOL_COMPILER_VCXX)
+#define SOL_UNREACHABLE() __assume(false);
+#else
+#define SOL_UNREACHABLE() __builtin_unreachable();
+#endif
+
+#endif
diff --git a/extern/sol3/sol/unsafe_function.hpp b/extern/sol3/sol/unsafe_function.hpp
index 281103215b..8d7a6a655e 100644
--- a/extern/sol3/sol/unsafe_function.hpp
+++ b/extern/sol3/sol/unsafe_function.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -77,7 +77,7 @@ namespace sol {
 		     meta::enable<meta::neg<std::is_same<meta::unqualified_t<T>, basic_function>>, meta::neg<std::is_same<base_t, stack_reference>>,
 		          meta::neg<std::is_same<lua_nil_t, meta::unqualified_t<T>>>, is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_function(T&& r) noexcept : base_t(std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			if (!is_function<meta::unqualified_t<T>>::value) {
 				auto pp = stack::push_pop(*this);
 				constructor_handler handler {};
@@ -97,20 +97,20 @@ namespace sol {
 		}
 		template <typename T, meta::enable<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_function(lua_State* L, T&& r) : base_t(L, std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_function>(lua_state(), -1, handler);
 #endif // Safety
 		}
 		basic_function(lua_State* L, int index = -1) : base_t(L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_function>(L, index, handler);
 #endif // Safety
 		}
 		basic_function(lua_State* L, ref_index index) : base_t(L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_function>(lua_state(), -1, handler);
diff --git a/extern/sol3/sol/unsafe_function_result.hpp b/extern/sol3/sol/unsafe_function_result.hpp
index d340f0de05..13496819a4 100644
--- a/extern/sol3/sol/unsafe_function_result.hpp
+++ b/extern/sol3/sol/unsafe_function_result.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -50,7 +50,7 @@ namespace sol {
 		typedef std::reverse_iterator<iterator> reverse_iterator;
 		typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
 
-		unsafe_function_result() noexcept = default;
+		unsafe_function_result() noexcept : unsafe_function_result(nullptr) {}
 		unsafe_function_result(lua_State* Ls, int idx = -1, int retnum = 0) noexcept : L(Ls), index(idx), returncount(retnum) {
 		}
 
@@ -158,7 +158,9 @@ namespace sol {
 			returncount = 0;
 		}
 		~unsafe_function_result() {
-			lua_pop(L, returncount);
+			if (L != nullptr) {
+				lua_pop(L, returncount);
+			}
 		}
 	};
 
diff --git a/extern/sol3/sol/userdata.hpp b/extern/sol3/sol/userdata.hpp
index e878d01be0..29efdcbfe3 100644
--- a/extern/sol3/sol/userdata.hpp
+++ b/extern/sol3/sol/userdata.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -41,7 +41,7 @@ namespace sol {
 		     meta::enable<meta::neg<std::is_same<meta::unqualified_t<T>, basic_userdata>>, meta::neg<std::is_same<base_t, stack_reference>>,
 		          is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_userdata(T&& r) noexcept : base_t(std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			if (!is_userdata<meta::unqualified_t<T>>::value) {
 				auto pp = stack::push_pop(*this);
 				type_assert(lua_state(), -1, type::userdata);
@@ -58,20 +58,20 @@ namespace sol {
 		}
 		template <typename T, meta::enable<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_userdata(lua_State* L, T&& r) : base_t(L, std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_userdata>(L, -1, handler);
 #endif // Safety
 		}
 		basic_userdata(lua_State* L, int index = -1) : base_t(detail::no_safety, L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_userdata>(L, index, handler);
 #endif // Safety
 		}
 		basic_userdata(lua_State* L, ref_index index) : base_t(detail::no_safety, L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_userdata>(L, -1, handler);
@@ -91,7 +91,7 @@ namespace sol {
 		     meta::enable<meta::neg<std::is_same<meta::unqualified_t<T>, basic_lightuserdata>>, meta::neg<std::is_same<base_t, stack_reference>>,
 		          is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_lightuserdata(T&& r) noexcept : base_t(std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			if (!is_lightuserdata<meta::unqualified_t<T>>::value) {
 				auto pp = stack::push_pop(*this);
 				type_assert(lua_state(), -1, type::lightuserdata);
@@ -108,20 +108,20 @@ namespace sol {
 		}
 		template <typename T, meta::enable<is_lua_reference<meta::unqualified_t<T>>> = meta::enabler>
 		basic_lightuserdata(lua_State* L, T&& r) : basic_lightuserdata(L, std::forward<T>(r)) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_lightuserdata>(lua_state(), -1, handler);
 #endif // Safety
 		}
 		basic_lightuserdata(lua_State* L, int index = -1) : base_t(L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			constructor_handler handler {};
 			stack::check<basic_lightuserdata>(L, index, handler);
 #endif // Safety
 		}
 		basic_lightuserdata(lua_State* L, ref_index index) : base_t(L, index) {
-#if SOL_IS_ON(SOL_SAFE_REFERENCES_I_)
+#if SOL_IS_ON(SOL_SAFE_REFERENCES)
 			auto pp = stack::push_pop(*this);
 			constructor_handler handler {};
 			stack::check<basic_lightuserdata>(lua_state(), index, handler);
diff --git a/extern/sol3/sol/usertype.hpp b/extern/sol3/sol/usertype.hpp
index b37436ad27..7c356f008e 100644
--- a/extern/sol3/sol/usertype.hpp
+++ b/extern/sol3/sol/usertype.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/usertype_container.hpp b/extern/sol3/sol/usertype_container.hpp
index 4bb99c0f55..6d25d2a8fa 100644
--- a/extern/sol3/sol/usertype_container.hpp
+++ b/extern/sol3/sol/usertype_container.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -400,6 +400,7 @@ namespace sol {
 
 		public:
 			typedef lua_nil_t iterator;
+			typedef iterator sentinel;
 			typedef lua_nil_t value_type;
 
 			static int at(lua_State* L_) {
@@ -472,7 +473,7 @@ namespace sol {
 				return lua_nil;
 			}
 
-			static iterator end(lua_State* L_, T&) {
+			static sentinel end(lua_State* L_, T&) {
 				luaL_error(L_, "sol: cannot call 'end' on type '%s': it is not recognized as a container", detail::demangle<T>().c_str());
 				return lua_nil;
 			}
@@ -492,6 +493,7 @@ namespace sol {
 			using is_ordered = meta::is_ordered<T>;
 			using is_matched_lookup = meta::is_matched_lookup<T>;
 			using iterator = typename T::iterator;
+			using sentinel = meta::sentinel_or_t<T, iterator>;
 			using value_type = typename T::value_type;
 			typedef meta::conditional_t<is_matched_lookup::value, std::pair<value_type, value_type>,
 			     meta::conditional_t<is_associative::value || is_lookup::value, value_type, std::pair<std::ptrdiff_t, value_type>>>
@@ -511,21 +513,35 @@ namespace sol {
 			typedef meta::unqualified_t<decltype(get_key(is_associative(), std::declval<std::add_lvalue_reference_t<value_type>>()))> key_type;
 			typedef meta::all<std::is_integral<K>, meta::neg<meta::any<is_associative, is_lookup>>> is_linear_integral;
 
-			struct iter {
-				reference keep_alive;
-				T& source;
-				iterator it;
+			struct iter : detail::ebco<iterator, 0>, detail::ebco<sentinel, 1> {
+				using it_base = detail::ebco<iterator, 0>;
+				using sen_base = detail::ebco<sentinel, 1>;
+				main_reference keep_alive;
 				std::size_t index;
 
-				iter(lua_State* L_, int stack_index, T& source_, iterator it_) : keep_alive(L_, stack_index), source(source_), it(std::move(it_)), index(0) {
+				iter(lua_State* L_, int stack_index_, iterator it_, sentinel sen_) noexcept
+				: it_base(std::move(it_)), sen_base(std::move(sen_)), keep_alive(L_, stack_index_), index(0) {
 				}
 
-				~iter() {
+				iterator& it() noexcept {
+					return it_base::value();
+				}
+
+				const iterator& it() const noexcept {
+					return it_base::value();
+				}
+
+				sentinel& sen() noexcept {
+					return sen_base::value();
+				}
+
+				const sentinel& sen() const noexcept {
+					return sen_base::value();
 				}
 			};
 
 			static auto& get_src(lua_State* L_) {
-#if SOL_IS_ON(SOL_SAFE_USERTYPE_I_)
+#if SOL_IS_ON(SOL_SAFE_USERTYPE)
 				auto p = stack::unqualified_check_get<T*>(L_, 1);
 				if (!p) {
 					luaL_error(L_,
@@ -1172,9 +1188,9 @@ namespace sol {
 			template <bool ip>
 			static int next_associative(std::true_type, lua_State* L_) {
 				iter& i = stack::unqualified_get<user<iter>>(L_, 1);
-				auto& source = i.source;
-				auto& it = i.it;
-				if (it == deferred_uc::end(L_, source)) {
+				auto& it = i.it();
+				auto& end = i.end();
+				if (it == end) {
 					return stack::push(L_, lua_nil);
 				}
 				int p;
@@ -1193,10 +1209,10 @@ namespace sol {
 			template <bool>
 			static int next_associative(std::false_type, lua_State* L_) {
 				iter& i = stack::unqualified_get<user<iter>>(L_, 1);
-				auto& source = i.source;
-				auto& it = i.it;
+				auto& it = i.it();
+				auto& end = i.sen();
 				next_K k = stack::unqualified_get<next_K>(L_, 2);
-				if (it == deferred_uc::end(L_, source)) {
+				if (it == end) {
 					return stack::push(L_, lua_nil);
 				}
 				int p;
@@ -1221,7 +1237,7 @@ namespace sol {
 			static int pairs_associative(std::true_type, lua_State* L_) {
 				auto& src = get_src(L_);
 				stack::push(L_, next_iter<ip>);
-				stack::push<user<iter>>(L_, L_, 1, src, deferred_uc::begin(L_, src));
+				stack::push<user<iter>>(L_, L_, 1, deferred_uc::begin(L_, src), deferred_uc::begin(L_, src));
 				stack::push(L_, lua_nil);
 				return 3;
 			}
@@ -1230,7 +1246,7 @@ namespace sol {
 			static int pairs_associative(std::false_type, lua_State* L_) {
 				auto& src = get_src(L_);
 				stack::push(L_, next_iter<ip>);
-				stack::push<user<iter>>(L_, L_, 1, src, deferred_uc::begin(L_, src));
+				stack::push<user<iter>>(L_, L_, 1, deferred_uc::begin(L_, src), deferred_uc::end(L_, src));
 				stack::push(L_, 0);
 				return 3;
 			}
@@ -1322,7 +1338,7 @@ namespace sol {
 				}
 			}
 
-			static iterator end(lua_State*, T& self) {
+			static sentinel end(lua_State*, T& self) {
 				if constexpr (meta::has_begin_end_v<T>) {
 					return self.end();
 				}
@@ -1387,24 +1403,38 @@ namespace sol {
 		public:
 			typedef std::remove_extent_t<T> value_type;
 			typedef value_type* iterator;
+			typedef iterator sentinel;
 
 		private:
-			struct iter {
+			struct iter : detail::ebco<iterator, 0>, detail::ebco<sentinel, 1> {
+				using it_base = detail::ebco<iterator, 0>;
+				using sen_base = detail::ebco<sentinel, 1>;
 				reference keep_alive;
-				T& source;
-				iterator it;
-
-				iter(lua_State* L_, int stack_index, T& source, iterator it) noexcept : keep_alive(L_, stack_index), source(source), it(std::move(it)) {
+				
+				iter(lua_State* L_, int stack_index_, iterator it_, sentinel sen_) noexcept
+				: it_base(std::move(it_)), sen_base(std::move(sen_)), keep_alive(sol::main_thread(L_, L_), stack_index_) {
 				}
 
-				~iter () {
+				iterator& it() noexcept {
+					return it_base::value();
+				}
 
+				const iterator& it() const noexcept {
+					return it_base::value();
+				}
+
+				sentinel& sen() noexcept {
+					return sen_base::value();
+				}
+
+				const sentinel& sen() const noexcept {
+					return sen_base::value();
 				}
 			};
 
 			static auto& get_src(lua_State* L_) {
 				auto p = stack::unqualified_check_get<T*>(L_, 1);
-#if SOL_IS_ON(SOL_SAFE_USERTYPE_I_)
+#if SOL_IS_ON(SOL_SAFE_USERTYPE)
 				if (!p) {
 					luaL_error(L_,
 					     "sol: 'self' is not of type '%s' (pass 'self' as first argument with ':' or call on proper type)",
@@ -1439,10 +1469,10 @@ namespace sol {
 
 			static int next_iter(lua_State* L_) {
 				iter& i = stack::unqualified_get<user<iter>>(L_, 1);
-				auto& source = i.source;
-				auto& it = i.it;
+				auto& it = i.it();
+				auto& end = i.sen();
 				std::size_t k = stack::unqualified_get<std::size_t>(L_, 2);
-				if (it == deferred_uc::end(L_, source)) {
+				if (it == end) {
 					return 0;
 				}
 				int p;
@@ -1524,7 +1554,7 @@ namespace sol {
 			static int pairs(lua_State* L_) {
 				auto& src = get_src(L_);
 				stack::push(L_, next_iter);
-				stack::push<user<iter>>(L_, L_, 1, src, deferred_uc::begin(L_, src));
+				stack::push<user<iter>>(L_, L_, 1, deferred_uc::begin(L_, src), deferred_uc::end(L_, src));
 				stack::push(L_, 0);
 				return 3;
 			}
@@ -1545,7 +1575,7 @@ namespace sol {
 				return std::addressof(self[0]);
 			}
 
-			static iterator end(lua_State*, T& self) {
+			static sentinel end(lua_State*, T& self) {
 				return std::addressof(self[0]) + std::extent<T>::value;
 			}
 		};
diff --git a/extern/sol3/sol/usertype_container_launch.hpp b/extern/sol3/sol/usertype_container_launch.hpp
index e25f4a7e06..d8dd73a793 100644
--- a/extern/sol3/sol/usertype_container_launch.hpp
+++ b/extern/sol3/sol/usertype_container_launch.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/usertype_core.hpp b/extern/sol3/sol/usertype_core.hpp
index 51a48b9c10..e4a49127f9 100644
--- a/extern/sol3/sol/usertype_core.hpp
+++ b/extern/sol3/sol/usertype_core.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -71,7 +71,7 @@ namespace sol {
 			return s;
 		}
 
-#if SOL_IS_ON(SOL_CHAR8_T_I_)
+#if SOL_IS_ON(SOL_CHAR8_T)
 		inline auto make_string_view(const char8_t* s) {
 			return string_view(reinterpret_cast<const char*>(s));
 		}
diff --git a/extern/sol3/sol/usertype_proxy.hpp b/extern/sol3/sol/usertype_proxy.hpp
index 2d36ef4495..b900d6504d 100644
--- a/extern/sol3/sol/usertype_proxy.hpp
+++ b/extern/sol3/sol/usertype_proxy.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/usertype_storage.hpp b/extern/sol3/sol/usertype_storage.hpp
index fdfac5ff52..bdca6146a5 100644
--- a/extern/sol3/sol/usertype_storage.hpp
+++ b/extern/sol3/sol/usertype_storage.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -29,6 +29,7 @@
 
 #include <bitset>
 #include <unordered_map>
+#include <memory>
 
 namespace sol { namespace u_detail {
 
@@ -67,7 +68,7 @@ namespace sol { namespace u_detail {
 	struct binding : binding_base {
 		using uF = meta::unqualified_t<Fq>;
 		using F = meta::conditional_t<meta::is_c_str_of_v<uF, char>
-#if SOL_IS_ON(SOL_CHAR8_T_I_)
+#if SOL_IS_ON(SOL_CHAR8_T)
 			     || meta::is_c_str_of_v<uF, char8_t>
 #endif
 			     || meta::is_c_str_of_v<uF, char16_t> || meta::is_c_str_of_v<uF, char32_t> || meta::is_c_str_of_v<uF, wchar_t>,
@@ -307,12 +308,15 @@ namespace sol { namespace u_detail {
 		usertype_storage_base(lua_State* L_)
 		: m_L(L_)
 		, storage()
+		, string_keys_storage()
 		, string_keys()
 		, auxiliary_keys(0, stateless_reference_hash(L_), stateless_reference_equals(L_))
 		, value_index_table()
 		, reference_index_table()
 		, unique_index_table()
 		, const_reference_index_table()
+		, const_value_index_table()
+		, named_index_table()
 		, type_table(make_reference<stateless_reference>(L_, create))
 		, gc_names_table(make_reference<stateless_reference>(L_, create))
 		, named_metatable(make_reference<stateless_reference>(L_, create))
@@ -459,7 +463,7 @@ namespace sol { namespace u_detail {
 			}
 			(void)L_;
 			(void)self;
-#if SOL_IS_ON(SOL_USE_UNSAFE_BASE_LOOKUP_I_)
+#if SOL_IS_ON(SOL_USE_UNSAFE_BASE_LOOKUP)
 			usertype_storage_base& base_storage = get_usertype_storage<Base>(L_);
 			base_result = self_index_call<is_new_index, true>(bases(), L_, base_storage);
 #else
diff --git a/extern/sol3/sol/usertype_traits.hpp b/extern/sol3/sol/usertype_traits.hpp
index f25b34fb65..d9b48582d0 100644
--- a/extern/sol3/sol/usertype_traits.hpp
+++ b/extern/sol3/sol/usertype_traits.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/utility/is_integer.hpp b/extern/sol3/sol/utility/is_integer.hpp
new file mode 100644
index 0000000000..9292bb6314
--- /dev/null
+++ b/extern/sol3/sol/utility/is_integer.hpp
@@ -0,0 +1,43 @@
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 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 Spermission 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_IS_INTEGER_HPP
+#define SOL_IS_INTEGER_HPP
+
+#include <sol/object.hpp>
+
+namespace sol::utility {
+
+	// Returns true if the object is represented by an integer,
+	// not a floating point number or any other type.
+	inline bool is_integer(const sol::object& object) {
+		auto pp = stack::push_pop(object);
+		return lua_isinteger(object.lua_state(), -1);
+	}
+	inline bool is_integer(const sol::stack_object& object) {
+		return lua_isinteger(object.lua_state(), object.stack_index());
+	}
+
+} // namespace sol::utility
+
+#endif // SOL_IS_INTEGER_HPP
diff --git a/extern/sol3/sol/utility/to_string.hpp b/extern/sol3/sol/utility/to_string.hpp
new file mode 100644
index 0000000000..51b85a4fda
--- /dev/null
+++ b/extern/sol3/sol/utility/to_string.hpp
@@ -0,0 +1,59 @@
+// sol2
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2022 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 Spermission 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_TO_STRING_HPP
+#define SOL_TO_STRING_HPP
+
+#include <sol/forward.hpp>
+#include <sol/object.hpp>
+
+#include <cstddef>
+#include <string>
+
+namespace sol::utility {
+
+	// Converts any object into a string using luaL_tolstring.
+	//
+	// Note: Uses the metamethod __tostring if available.
+	inline std::string to_string(const sol::stack_object& object) {
+		std::size_t len;
+		const char* str = luaL_tolstring(object.lua_state(), object.stack_index(), &len);
+
+		auto result = std::string(str, len);
+
+		// luaL_tolstring pushes the string onto the stack, but since
+		// we have copied it into our std::string by now we should
+		// remove it from the stack.
+		lua_pop(object.lua_state(), 1);
+
+		return result;
+	}
+
+	inline std::string to_string(const sol::object& object) {
+		auto pp = sol::stack::push_pop(object);
+		return to_string(sol::stack_object(object.lua_state(), -1));
+	}
+
+} // namespace sol::utility
+
+#endif // SOL_IS_INTEGER_HPP
diff --git a/extern/sol3/sol/variadic_args.hpp b/extern/sol3/sol/variadic_args.hpp
index efaad38d5c..216c27b465 100644
--- a/extern/sol3/sol/variadic_args.hpp
+++ b/extern/sol3/sol/variadic_args.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/variadic_results.hpp b/extern/sol3/sol/variadic_results.hpp
index 6b8e981c20..adf43a4660 100644
--- a/extern/sol3/sol/variadic_results.hpp
+++ b/extern/sol3/sol/variadic_results.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
diff --git a/extern/sol3/sol/version.hpp b/extern/sol3/sol/version.hpp
index 9b091aaa02..9240c0a2fa 100644
--- a/extern/sol3/sol/version.hpp
+++ b/extern/sol3/sol/version.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -29,15 +29,28 @@
 // clang-format off
 
 #define SOL_VERSION_MAJOR 3
-#define SOL_VERSION_MINOR 2
-#define SOL_VERSION_PATCH 3
-#define SOL_VERSION_STRING "3.2.3"
+#define SOL_VERSION_MINOR 5
+#define SOL_VERSION_PATCH 0
+#define SOL_VERSION_STRING "3.5.0"
 #define SOL_VERSION ((SOL_VERSION_MAJOR * 100000) + (SOL_VERSION_MINOR * 100) + (SOL_VERSION_PATCH))
 
-#define SOL_IS_ON(OP_SYMBOL) ((3 OP_SYMBOL 3) != 0)
-#define SOL_IS_OFF(OP_SYMBOL) ((3 OP_SYMBOL 3) == 0)
-#define SOL_IS_DEFAULT_ON(OP_SYMBOL) ((3 OP_SYMBOL 3) > 3)
-#define SOL_IS_DEFAULT_OFF(OP_SYMBOL) ((3 OP_SYMBOL 3 OP_SYMBOL 3) < 0)
+#define SOL_TOKEN_TO_STRING_POST_EXPANSION_I_(_TOKEN) #_TOKEN
+#define SOL_TOKEN_TO_STRING_I_(_TOKEN) SOL_TOKEN_TO_STRING_POST_EXPANSION_I_(_TOKEN)
+
+#define SOL_CONCAT_TOKENS_POST_EXPANSION_I_(_LEFT, _RIGHT) _LEFT##_RIGHT
+#define SOL_CONCAT_TOKENS_I_(_LEFT, _RIGHT) SOL_CONCAT_TOKENS_POST_EXPANSION_I_(_LEFT, _RIGHT)
+
+#define SOL_RAW_USE(SYMBOL) SYMBOL
+#define SOL_RAW_IS_ON(OP_SYMBOL) ((3 OP_SYMBOL 3) != 0)
+#define SOL_RAW_IS_OFF(OP_SYMBOL) ((3 OP_SYMBOL 3) == 0)
+#define SOL_RAW_IS_DEFAULT_ON(OP_SYMBOL) ((3 OP_SYMBOL 3) > 3)
+#define SOL_RAW_IS_DEFAULT_OFF(OP_SYMBOL) ((3 OP_SYMBOL 3 OP_SYMBOL 3) < 0)
+
+#define SOL_IS_ON(OP_SYMBOL) SOL_RAW_IS_ON(OP_SYMBOL ## _I_)
+#define SOL_IS_OFF(OP_SYMBOL) SOL_RAW_IS_OFF(OP_SYMBOL ## _I_)
+#define SOL_IS_DEFAULT_ON(OP_SYMBOL) SOL_RAW_IS_DEFAULT_ON(OP_SYMBOL ## _I_)
+#define SOL_IS_DEFAULT_OFF(OP_SYMBOL) SOL_RAW_IS_DEFAULT_OFF(OP_SYMBOL ## _I_)
+#define SOL_USE(SYMBOL) SOL_RAW_USE(SYMBOL ## _I_)
 
 #define SOL_ON          |
 #define SOL_OFF         ^
@@ -68,7 +81,7 @@
 	#define SOL_BUILD_C_MODE_I_ SOL_DEFAULT_OFF
 #endif
 
-#if SOL_IS_ON(SOL_BUILD_C_MODE_I_)
+#if SOL_IS_ON(SOL_BUILD_C_MODE)
 	#include <stddef.h>
 	#include <stdint.h>
 	#include <limits.h>
@@ -78,8 +91,16 @@
 	#include <climits>
 #endif
 
+#if defined(SOL_HAS_BUILTIN)
+	#define SOL_HAS_BUILTIN_I_(...) SOL_HAS_BUILTIN(__VA_ARGS__)
+#elif defined(__has_builtin)
+	#define SOL_HAS_BUILTIN_I_(...) __has_builtin(__VA_ARGS__)
+#else
+	#define SOL_HAS_BUILTIN_I_(...) 0
+#endif
+
 #if defined(SOL_COMPILER_VCXX)
-	#if defined(SOL_COMPILER_VCXX != 0)
+	#if (SOL_COMPILER_VCXX != 0)
 		#define SOL_COMPILER_VCXX_I_ SOL_ON
 	#else
 		#define SOL_COMPILER_VCXX_I_ SOL_OFF
@@ -91,7 +112,7 @@
 #endif
 
 #if defined(SOL_COMPILER_GCC)
-	#if defined(SOL_COMPILER_GCC != 0)
+	#if (SOL_COMPILER_GCC != 0)
 		#define SOL_COMPILER_GCC_I_ SOL_ON
 	#else
 		#define SOL_COMPILER_GCC_I_ SOL_OFF
@@ -103,7 +124,7 @@
 #endif
 
 #if defined(SOL_COMPILER_CLANG)
-	#if defined(SOL_COMPILER_CLANG != 0)
+	#if (SOL_COMPILER_CLANG != 0)
 		#define SOL_COMPILER_CLANG_I_ SOL_ON
 	#else
 		#define SOL_COMPILER_CLANG_I_ SOL_OFF
@@ -115,7 +136,7 @@
 #endif
 
 #if defined(SOL_COMPILER_EDG)
-	#if defined(SOL_COMPILER_EDG != 0)
+	#if (SOL_COMPILER_EDG != 0)
 		#define SOL_COMPILER_EDG_I_ SOL_ON
 	#else
 		#define SOL_COMPILER_EDG_I_ SOL_OFF
@@ -197,7 +218,7 @@
 		#define SOL_PLATFORM_UNIXLIKE_I_ SOL_OFF
 	#endif
 #elif defined(__unix__)
-	#define SOL_PLATFORM_UNIXLIKE_I_ SOL_DEFAUKT_ON
+	#define SOL_PLATFORM_UNIXLIKE_I_ SOL_DEFAULT_ON
 #else
 	#define SOL_PLATFORM_UNIXLIKE_I_ SOL_DEFAULT_OFF
 #endif
@@ -209,7 +230,7 @@
 		#define SOL_PLATFORM_LINUXLIKE_I_ SOL_OFF
 	#endif
 #elif defined(__LINUX__)
-	#define SOL_PLATFORM_LINUXLIKE_I_ SOL_DEFAUKT_ON
+	#define SOL_PLATFORM_LINUXLIKE_I_ SOL_DEFAULT_ON
 #else
 	#define SOL_PLATFORM_LINUXLIKE_I_ SOL_DEFAULT_OFF
 #endif
@@ -218,15 +239,15 @@
 #define SOL_PLATFORM_BSDLIKE_I_      SOL_OFF
 
 #if defined(SOL_IN_DEBUG_DETECTED)
-	#if SOL_IN_DEBUG_DETECTED != 0
+	#if (SOL_IN_DEBUG_DETECTED != 0)
 		#define SOL_DEBUG_BUILD_I_ SOL_ON
 	#else
 		#define SOL_DEBUG_BUILD_I_ SOL_OFF
 	#endif
 #elif !defined(NDEBUG)
-	#if SOL_IS_ON(SOL_COMPILER_VCXX_I_) && defined(_DEBUG)
+	#if SOL_IS_ON(SOL_COMPILER_VCXX) && defined(_DEBUG)
 		#define SOL_DEBUG_BUILD_I_ SOL_ON
-	#elif (SOL_IS_ON(SOL_COMPILER_CLANG_I_) || SOL_IS_ON(SOL_COMPILER_GCC_I_)) && !defined(__OPTIMIZE__)
+	#elif (SOL_IS_ON(SOL_COMPILER_CLANG) || SOL_IS_ON(SOL_COMPILER_GCC)) && !defined(__OPTIMIZE__)
 		#define SOL_DEBUG_BUILD_I_ SOL_ON
 	#else
 		#define SOL_DEBUG_BUILD_I_ SOL_OFF
@@ -241,13 +262,13 @@
 	#else
 		#define SOL_EXCEPTIONS_I_ SOL_ON
 	#endif
-#elif SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#elif SOL_IS_ON(SOL_COMPILER_VCXX)
 	#if !defined(_CPPUNWIND)
 		#define SOL_EXCEPTIONS_I_ SOL_OFF
 	#else
 		#define SOL_EXCEPTIONS_I_ SOL_ON
 	#endif
-#elif SOL_IS_ON(SOL_COMPILER_CLANG_I_) || SOL_IS_ON(SOL_COMPILER_GCC_I_)
+#elif SOL_IS_ON(SOL_COMPILER_CLANG) || SOL_IS_ON(SOL_COMPILER_GCC)
 	#if !defined(__EXCEPTIONS)
 		#define SOL_EXCEPTIONS_I_ SOL_OFF
 	#else
@@ -264,13 +285,13 @@
 	#else
 		#define SOL_RTTI_I_ SOL_ON
 	#endif
-#elif SOL_IS_ON(SOL_COMPILER_VCXX_I_)
+#elif SOL_IS_ON(SOL_COMPILER_VCXX)
 	#if !defined(_CPPRTTI)
 		#define SOL_RTTI_I_ SOL_OFF
 	#else
 		#define SOL_RTTI_I_ SOL_ON
 	#endif
-#elif SOL_IS_ON(SOL_COMPILER_CLANG_I_) || SOL_IS_ON(SOL_COMPILER_GCC_I_)
+#elif SOL_IS_ON(SOL_COMPILER_CLANG) || SOL_IS_ON(SOL_COMPILER_GCC)
 	#if !defined(__GXX_RTTI)
 		#define SOL_RTTI_I_ SOL_OFF
 	#else
@@ -281,7 +302,7 @@
 #endif
 
 #if defined(SOL_NO_THREAD_LOCAL)
-	#if SOL_NO_THREAD_LOCAL != 0
+	#if (SOL_NO_THREAD_LOCAL != 0)
 		#define SOL_USE_THREAD_LOCAL_I_ SOL_OFF
 	#else
 		#define SOL_USE_THREAD_LOCAL_I_ SOL_ON
@@ -291,7 +312,7 @@
 #endif // thread_local keyword is bjorked on some platforms
 
 #if defined(SOL_ALL_SAFETIES_ON)
-	#if SOL_ALL_SAFETIES_ON != 0
+	#if (SOL_ALL_SAFETIES_ON != 0)
 		#define SOL_ALL_SAFETIES_ON_I_ SOL_ON
 	#else
 		#define SOL_ALL_SAFETIES_ON_I_ SOL_OFF
@@ -301,15 +322,15 @@
 #endif
 
 #if defined(SOL_SAFE_GETTER)
-	#if SOL_SAFE_GETTER != 0
+	#if (SOL_SAFE_GETTER != 0)
 		#define SOL_SAFE_GETTER_I_ SOL_ON
 	#else
 		#define SOL_SAFE_GETTER_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON_I_)
+	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON)
 		#define SOL_SAFE_GETTER_I_ SOL_ON
-	#elif SOL_IS_ON(SOL_DEBUG_BUILD_I_)
+	#elif SOL_IS_ON(SOL_DEBUG_BUILD)
 		#define SOL_SAFE_GETTER_I_ SOL_DEFAULT_ON
 	#else
 		#define SOL_SAFE_GETTER_I_ SOL_DEFAULT_OFF
@@ -317,15 +338,15 @@
 #endif
 
 #if defined(SOL_SAFE_USERTYPE)
-	#if SOL_SAFE_USERTYPE != 0
+	#if (SOL_SAFE_USERTYPE != 0)
 		#define SOL_SAFE_USERTYPE_I_ SOL_ON
 	#else
 		#define SOL_SAFE_USERTYPE_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON_I_)
+	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON)
 		#define SOL_SAFE_USERTYPE_I_ SOL_ON
-	#elif SOL_IS_ON(SOL_DEBUG_BUILD_I_)
+	#elif SOL_IS_ON(SOL_DEBUG_BUILD)
 		#define SOL_SAFE_USERTYPE_I_ SOL_DEFAULT_ON
 	#else
 		#define SOL_SAFE_USERTYPE_I_ SOL_DEFAULT_OFF
@@ -333,15 +354,15 @@
 #endif
 
 #if defined(SOL_SAFE_REFERENCES)
-	#if SOL_SAFE_REFERENCES != 0
+	#if (SOL_SAFE_REFERENCES != 0)
 		#define SOL_SAFE_REFERENCES_I_ SOL_ON
 	#else
 		#define SOL_SAFE_REFERENCES_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON_I_)
+	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON)
 		#define SOL_SAFE_REFERENCES_I_ SOL_ON
-	#elif SOL_IS_ON(SOL_DEBUG_BUILD_I_)
+	#elif SOL_IS_ON(SOL_DEBUG_BUILD)
 		#define SOL_SAFE_REFERENCES_I_ SOL_DEFAULT_ON
 	#else
 		#define SOL_SAFE_REFERENCES_I_ SOL_DEFAULT_OFF
@@ -349,21 +370,21 @@
 #endif
 
 #if defined(SOL_SAFE_FUNCTIONS)
-	#if SOL_SAFE_FUNCTIONS != 0
+	#if (SOL_SAFE_FUNCTIONS != 0)
 		#define SOL_SAFE_FUNCTION_OBJECTS_I_ SOL_ON
 	#else
 		#define SOL_SAFE_FUNCTION_OBJECTS_I_ SOL_OFF
 	#endif
 #elif defined (SOL_SAFE_FUNCTION_OBJECTS)
-	#if SOL_SAFE_FUNCTION_OBJECTS != 0
+	#if (SOL_SAFE_FUNCTION_OBJECTS != 0)
 		#define SOL_SAFE_FUNCTION_OBJECTS_I_ SOL_ON
 	#else
 		#define SOL_SAFE_FUNCTION_OBJECTS_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON_I_)
+	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON)
 		#define SOL_SAFE_FUNCTION_OBJECTS_I_ SOL_ON
-	#elif SOL_IS_ON(SOL_DEBUG_BUILD_I_)
+	#elif SOL_IS_ON(SOL_DEBUG_BUILD)
 		#define SOL_SAFE_FUNCTION_OBJECTS_I_ SOL_DEFAULT_ON
 	#else
 		#define SOL_SAFE_FUNCTION_OBJECTS_I_ SOL_DEFAULT_OFF
@@ -371,15 +392,15 @@
 #endif
 
 #if defined(SOL_SAFE_FUNCTION_CALLS)
-	#if SOL_SAFE_FUNCTION_CALLS != 0
+	#if (SOL_SAFE_FUNCTION_CALLS != 0)
 		#define SOL_SAFE_FUNCTION_CALLS_I_ SOL_ON
 	#else
 		#define SOL_SAFE_FUNCTION_CALLS_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON_I_)
+	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON)
 		#define SOL_SAFE_FUNCTION_CALLS_I_ SOL_ON
-	#elif SOL_IS_ON(SOL_DEBUG_BUILD_I_)
+	#elif SOL_IS_ON(SOL_DEBUG_BUILD)
 		#define SOL_SAFE_FUNCTION_CALLS_I_ SOL_DEFAULT_ON
 	#else
 		#define SOL_SAFE_FUNCTION_CALLS_I_ SOL_DEFAULT_OFF
@@ -387,15 +408,15 @@
 #endif
 
 #if defined(SOL_SAFE_PROXIES)
-	#if SOL_SAFE_PROXIES != 0
+	#if (SOL_SAFE_PROXIES != 0)
 		#define SOL_SAFE_PROXIES_I_ SOL_ON
 	#else
 		#define SOL_SAFE_PROXIES_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON_I_)
+	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON)
 		#define SOL_SAFE_PROXIES_I_ SOL_ON
-	#elif SOL_IS_ON(SOL_DEBUG_BUILD_I_)
+	#elif SOL_IS_ON(SOL_DEBUG_BUILD)
 		#define SOL_SAFE_PROXIES_I_ SOL_DEFAULT_ON
 	#else
 		#define SOL_SAFE_PROXIES_I_ SOL_DEFAULT_OFF
@@ -403,15 +424,15 @@
 #endif
 
 #if defined(SOL_SAFE_NUMERICS)
-	#if SOL_SAFE_NUMERICS != 0
+	#if (SOL_SAFE_NUMERICS != 0)
 		#define SOL_SAFE_NUMERICS_I_ SOL_ON
 	#else
 		#define SOL_SAFE_NUMERICS_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON_I_)
+	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON)
 		#define SOL_SAFE_NUMERICS_I_ SOL_ON
-	#elif SOL_IS_ON(SOL_DEBUG_BUILD_I_)
+	#elif SOL_IS_ON(SOL_DEBUG_BUILD)
 		#define SOL_SAFE_NUMERICS_I_ SOL_DEFAULT_ON
 	#else
 		#define SOL_SAFE_NUMERICS_I_ SOL_DEFAULT_OFF
@@ -424,7 +445,7 @@
 	#else
 		#define SOL_ALL_INTEGER_VALUES_FIT_I_ SOL_OFF
 	#endif
-#elif !SOL_IS_DEFAULT_OFF(SOL_SAFE_NUMERICS_I_) && SOL_IS_OFF(SOL_SAFE_NUMERICS_I_)
+#elif !SOL_IS_DEFAULT_OFF(SOL_SAFE_NUMERICS) && SOL_IS_OFF(SOL_SAFE_NUMERICS)
 	// if numerics is intentionally turned off, flip this on
 	#define SOL_ALL_INTEGER_VALUES_FIT_I_ SOL_DEFAULT_ON
 #else
@@ -433,15 +454,15 @@
 #endif
 
 #if defined(SOL_SAFE_STACK_CHECK)
-	#if SOL_SAFE_STACK_CHECK != 0
+	#if (SOL_SAFE_STACK_CHECK != 0)
 		#define SOL_SAFE_STACK_CHECK_I_ SOL_ON
 	#else
 		#define SOL_SAFE_STACK_CHECK_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON_I_)
+	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON)
 		#define SOL_SAFE_STACK_CHECK_I_ SOL_ON
-	#elif SOL_IS_ON(SOL_DEBUG_BUILD_I_)
+	#elif SOL_IS_ON(SOL_DEBUG_BUILD)
 		#define SOL_SAFE_STACK_CHECK_I_ SOL_DEFAULT_ON
 	#else
 		#define SOL_SAFE_STACK_CHECK_I_ SOL_DEFAULT_OFF
@@ -449,23 +470,23 @@
 #endif
 
 #if defined(SOL_NO_CHECK_NUMBER_PRECISION)
-	#if SOL_NO_CHECK_NUMBER_PRECISION != 0
+	#if (SOL_NO_CHECK_NUMBER_PRECISION != 0)
 		#define SOL_NUMBER_PRECISION_CHECKS_I_ SOL_OFF
 	#else
 		#define SOL_NUMBER_PRECISION_CHECKS_I_ SOL_ON
 	#endif
 #elif defined(SOL_NO_CHECKING_NUMBER_PRECISION)
-	#if SOL_NO_CHECKING_NUMBER_PRECISION != 0
+	#if (SOL_NO_CHECKING_NUMBER_PRECISION != 0)
 		#define SOL_NUMBER_PRECISION_CHECKS_I_ SOL_OFF
 	#else
 		#define SOL_NUMBER_PRECISION_CHECKS_I_ SOL_ON
 	#endif
 #else
-	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON_I_)
+	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON)
 		#define SOL_NUMBER_PRECISION_CHECKS_I_ SOL_ON
-	#elif SOL_IS_ON(SOL_SAFE_NUMERICS_I_)
+	#elif SOL_IS_ON(SOL_SAFE_NUMERICS)
 		#define SOL_NUMBER_PRECISION_CHECKS_I_ SOL_ON
-	#elif SOL_IS_ON(SOL_DEBUG_BUILD_I_)
+	#elif SOL_IS_ON(SOL_DEBUG_BUILD)
 		#define SOL_NUMBER_PRECISION_CHECKS_I_ SOL_DEFAULT_ON
 	#else
 		#define SOL_NUMBER_PRECISION_CHECKS_I_ SOL_DEFAULT_OFF
@@ -483,13 +504,13 @@
 #endif
 
 #if defined(SOL_ENABLE_INTEROP)
-	#if SOL_ENABLE_INTEROP != 0
+	#if (SOL_ENABLE_INTEROP != 0)
 		#define SOL_USE_INTEROP_I_ SOL_ON
 	#else
 		#define SOL_USE_INTEROP_I_ SOL_OFF
 	#endif
 #elif defined(SOL_USE_INTEROP)
-	#if SOL_USE_INTEROP != 0
+	#if (SOL_USE_INTEROP != 0)
 		#define SOL_USE_INTEROP_I_ SOL_ON
 	#else
 		#define SOL_USE_INTEROP_I_ SOL_OFF
@@ -543,7 +564,7 @@
 		#define SOL_STD_VARIANT_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_ON(SOL_COMPILER_CLANG_I_) && SOL_IS_ON(SOL_PLATFORM_APPLE_I_)
+	#if SOL_IS_ON(SOL_COMPILER_CLANG) && SOL_IS_ON(SOL_PLATFORM_APPLE)
 		#if defined(__has_include)
 			#if __has_include(<variant>)
 				#define SOL_STD_VARIANT_I_ SOL_DEFAULT_ON
@@ -567,7 +588,7 @@
 #else
 	#if defined(__cpp_noexcept_function_type)
 		#define SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_ SOL_ON
-	#elif SOL_IS_ON(SOL_COMPILER_VCXX_I_) && (defined(_MSVC_LANG) && (_MSVC_LANG < 201403L))
+	#elif SOL_IS_ON(SOL_COMPILER_VCXX) && (defined(_MSVC_LANG) && (_MSVC_LANG < 201403L))
 		// There is a bug in the VC++ compiler??
 		// on /std:c++latest under x86 conditions (VS 15.5.2),
 		// compiler errors are tossed for noexcept markings being on function types
@@ -579,19 +600,19 @@
 	#endif
 #endif // noexcept is part of a function's type
 
-#if defined(SOL_STACK_STRING_OPTIMIZATION_SIZE) && SOL_STACK_STRING_OPTIMIZATION_SIZE > 0
+#if defined(SOL_STACK_STRING_OPTIMIZATION_SIZE) && (SOL_STACK_STRING_OPTIMIZATION_SIZE > 0)
 	#define SOL_OPTIMIZATION_STRING_CONVERSION_STACK_SIZE_I_ SOL_STACK_STRING_OPTIMIZATION_SIZE
 #else
 	#define SOL_OPTIMIZATION_STRING_CONVERSION_STACK_SIZE_I_ 1024
 #endif
 
-#if defined(SOL_ID_SIZE) && SOL_ID_SIZE > 0
+#if defined(SOL_ID_SIZE) && (SOL_ID_SIZE > 0)
 	#define SOL_ID_SIZE_I_ SOL_ID_SIZE
 #else
 	#define SOL_ID_SIZE_I_ 512
 #endif
 
-#if defined(LUA_IDSIZE) && LUA_IDSIZE > 0
+#if defined(LUA_IDSIZE) && (LUA_IDSIZE > 0)
 	#define SOL_FILE_ID_SIZE_I_ LUA_IDSIZE
 #elif defined(SOL_ID_SIZE) && SOL_ID_SIZE > 0
 	#define SOL_FILE_ID_SIZE_I_ SOL_FILE_ID_SIZE
@@ -606,9 +627,9 @@
 		#define SOL_PRINT_ERRORS_I_ SOL_OFF
 	#endif
 #else
-	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON_I_)
+	#if SOL_IS_ON(SOL_ALL_SAFETIES_ON)
 		#define SOL_PRINT_ERRORS_I_ SOL_ON
-	#elif SOL_IS_ON(SOL_DEBUG_BUILD_I_)
+	#elif SOL_IS_ON(SOL_DEBUG_BUILD)
 		#define SOL_PRINT_ERRORS_I_ SOL_DEFAULT_ON
 	#else
 		#define SOL_PRINT_ERRORS_I_ SOL_OFF
@@ -627,34 +648,35 @@
 
 #if defined(SOL_USING_CXX_LUA)
 	#if (SOL_USING_CXX_LUA != 0)
-		#define SOL_USE_CXX_LUA_I_ SOL_ON
+		#define SOL_USING_CXX_LUA_I_ SOL_ON
 	#else
-		#define SOL_USE_CXX_LUA_I_ SOL_OFF
+		#define SOL_USING_CXX_LUA_I_ SOL_OFF
 	#endif
 #elif defined(SOL_USE_CXX_LUA)
+	// alternative spelling
 	#if (SOL_USE_CXX_LUA != 0)
-		#define SOL_USE_CXX_LUA_I_ SOL_ON
+		#define SOL_USING_CXX_LUA_I_ SOL_ON
 	#else
-		#define SOL_USE_CXX_LUA_I_ SOL_OFF
+		#define SOL_USING_CXX_LUA_I_ SOL_OFF
 	#endif
 #else
-	#define SOL_USE_CXX_LUA_I_ SOL_DEFAULT_OFF
+	#define SOL_USING_CXX_LUA_I_ SOL_DEFAULT_OFF
 #endif
 
 #if defined(SOL_USING_CXX_LUAJIT)
-	#if (SOL_USING_CXX_LUA != 0)
-		#define SOL_USE_CXX_LUAJIT_I_ SOL_ON
+	#if (SOL_USING_CXX_LUAJIT != 0)
+		#define SOL_USING_CXX_LUAJIT_I_ SOL_ON
 	#else
-		#define SOL_USE_CXX_LUAJIT_I_ SOL_OFF
+		#define SOL_USING_CXX_LUAJIT_I_ SOL_OFF
 	#endif
 #elif defined(SOL_USE_CXX_LUAJIT)
-	#if (SOL_USE_CXX_LUA != 0)
-		#define SOL_USE_CXX_LUAJIT_I_ SOL_ON
+	#if (SOL_USE_CXX_LUAJIT != 0)
+		#define SOL_USING_CXX_LUAJIT_I_ SOL_ON
 	#else
-		#define SOL_USE_CXX_LUAJIT_I_ SOL_OFF
+		#define SOL_USING_CXX_LUAJIT_I_ SOL_OFF
 	#endif
 #else
-	#define SOL_USE_CXX_LUAJIT_I_ SOL_DEFAULT_OFF
+	#define SOL_USING_CXX_LUAJIT_I_ SOL_DEFAULT_OFF
 #endif
 
 #if defined(SOL_NO_LUA_HPP)
@@ -663,7 +685,7 @@
 	#else
 		#define SOL_USE_LUA_HPP_I_ SOL_ON
 	#endif
-#elif defined(SOL_USING_CXX_LUA)
+#elif SOL_IS_ON(SOL_USING_CXX_LUA)
 	#define SOL_USE_LUA_HPP_I_ SOL_OFF
 #elif defined(__has_include)
 	#if __has_include(<lua.hpp>)
@@ -749,6 +771,16 @@
 	#define SOL_GET_FUNCTION_POINTER_UNSAFE_I_ SOL_DEFAULT_OFF
 #endif
 
+#if defined(SOL_CONTAINER_CHECK_IS_EXHAUSTIVE)
+	#if (SOL_CONTAINER_CHECK_IS_EXHAUSTIVE != 0)
+		#define SOL_CONTAINER_CHECK_IS_EXHAUSTIVE_I_ SOL_ON
+	#else
+		#define SOL_CONTAINER_CHECK_IS_EXHAUSTIVE_I_ SOL_OFF
+	#endif
+#else
+	#define SOL_CONTAINER_CHECK_IS_EXHAUSTIVE_I_ SOL_DEFAULT_OFF
+#endif
+
 #if defined(SOL_FUNCTION_CALL_VALUE_SEMANTICS)
 	#if (SOL_FUNCTION_CALL_VALUE_SEMANTICS != 0)
 		#define SOL_FUNCTION_CALL_VALUE_SEMANTICS_I_ SOL_ON
@@ -765,7 +797,7 @@
 	#else
 		#define SOL_MINGW_CCTYPE_IS_POISONED_I_ SOL_OFF
 	#endif
-#elif SOL_IS_ON(SOL_COMPILER_MINGW_I_) && defined(__GNUC__) && (__GNUC__ < 6)
+#elif SOL_IS_ON(SOL_COMPILER_MINGW) && defined(__GNUC__) && (__GNUC__ < 6)
 	// MinGW is off its rocker in some places...
 	#define SOL_MINGW_CCTYPE_IS_POISONED_I_ SOL_DEFAULT_ON
 #else
@@ -786,7 +818,7 @@
 	#endif
 #endif
 
-#if SOL_IS_ON(SOL_USE_BOOST_I_)
+#if SOL_IS_ON(SOL_USE_BOOST)
 	#include <boost/version.hpp>
 
 	#if BOOST_VERSION >= 107500 // Since Boost 1.75.0 boost::none is constexpr
@@ -809,16 +841,16 @@
 	#define SOL2_CI_I_ SOL_DEFAULT_OFF
 #endif
 
-#if defined(SOL_C_ASSERT)
-	#define SOL_USER_C_ASSERT_I_ SOL_ON
+#if defined(SOL_ASSERT)
+	#define SOL_USER_ASSERT_I_ SOL_ON
 #else
-	#define SOL_USER_C_ASSERT_I_ SOL_DEFAULT_OFF
+	#define SOL_USER_ASSERT_I_ SOL_DEFAULT_OFF
 #endif
 
-#if defined(SOL_M_ASSERT)
-	#define SOL_USER_M_ASSERT_I_ SOL_ON
+#if defined(SOL_ASSERT_MSG)
+	#define SOL_USER_ASSERT_MSG_I_ SOL_ON
 #else
-	#define SOL_USER_M_ASSERT_I_ SOL_DEFAULT_OFF
+	#define SOL_USER_ASSERT_MSG_I_ SOL_DEFAULT_OFF
 #endif
 
 #include <sol/prologue.hpp>
diff --git a/extern/sol3/sol/wrapper.hpp b/extern/sol3/sol/wrapper.hpp
index 608ed589a5..4b4b466e2a 100644
--- a/extern/sol3/sol/wrapper.hpp
+++ b/extern/sol3/sol/wrapper.hpp
@@ -2,7 +2,7 @@
 
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2022 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
@@ -222,7 +222,7 @@ namespace sol {
 	template <typename R, typename O, typename... Args>
 	struct wrapper<R (O::*)(Args..., ...) const volatile&&> : public member_function_wrapper<R (O::*)(Args..., ...) const volatile&, R, O, Args...> { };
 
-#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE_I_)
+#if SOL_IS_ON(SOL_USE_NOEXCEPT_FUNCTION_TYPE)
 	// noexcept has become a part of a function's type
 
 	template <typename R, typename O, typename... Args>