1 files changed, 0 insertions, 228 deletions
diff --git a/lib/sol2/include/sol/environment.hpp b/lib/sol2/include/sol/environment.hpp
deleted file mode 100644
index 3670e42..0000000
--- a/lib/sol2/include/sol/environment.hpp
+++ /dev/null
@@ -1,228 +0,0 @@
-// sol3 
-
-// The MIT License (MIT)
-
-// Copyright (c) 2013-2019 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_ENVIRONMENT_HPP
-#define SOL_ENVIRONMENT_HPP
-
-#include "table.hpp"
-
-namespace sol {
-
-	template <typename base_type>
-	struct basic_environment : basic_table<base_type> {
-	private:
-		typedef basic_table<base_type> base_t;
-
-	public:
-		using base_t::lua_state;
-
-		basic_environment() noexcept = default;
-		basic_environment(const basic_environment&) = default;
-		basic_environment(basic_environment&&) = default;
-		basic_environment& operator=(const basic_environment&) = default;
-		basic_environment& operator=(basic_environment&&) = default;
-		basic_environment(const stack_reference& r)
-		: basic_environment(r.lua_state(), r.stack_index()) {
-		}
-		basic_environment(stack_reference&& r)
-		: basic_environment(r.lua_state(), r.stack_index()) {
-		}
-
-		basic_environment(lua_State* L, new_table nt)
-		: base_t(L, std::move(nt)) {
-		}
-		template <bool b>
-		basic_environment(lua_State* L, new_table t, const basic_reference<b>& fallback)
-		: basic_environment(L, std::move(t)) {
-			stack_table mt(L, new_table(0, 1));
-			mt.set(meta_function::index, fallback);
-			this->set(metatable_key, mt);
-			mt.pop();
-		}
-
-		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 defined(SOL_SAFE_REFERENCES) && SOL_SAFE_REFERENCES
-			constructor_handler handler{};
-			stack::check<env_key_t>(this->lua_state(), -1, handler);
-#endif // Safety
-			lua_pop(this->lua_state(), 2);
-		}
-		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 defined(SOL_SAFE_REFERENCES) && SOL_SAFE_REFERENCES
-			constructor_handler handler{};
-			stack::check<env_key_t>(this->lua_state(), -1, handler);
-#endif // Safety
-			lua_pop(this->lua_state(), 2);
-		}
-		basic_environment(lua_State* L, int index = -1)
-		: base_t(detail::no_safety, L, index) {
-#if defined(SOL_SAFE_REFERENCES) && 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 defined(SOL_SAFE_REFERENCES) && SOL_SAFE_REFERENCES
-			auto pp = stack::push_pop(*this);
-			constructor_handler handler{};
-			stack::check<basic_environment>(L, -1, handler);
-#endif // Safety
-		}
-		template <typename T, 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 defined(SOL_SAFE_REFERENCES) && SOL_SAFE_REFERENCES
-			if (!is_environment<meta::unqualified_t<T>>::value) {
-				auto pp = stack::push_pop(*this);
-				constructor_handler handler{};
-				stack::check<basic_environment>(lua_state(), -1, handler);
-			}
-#endif // Safety
-		}
-		basic_environment(lua_nil_t r) noexcept
-		: base_t(detail::no_safety, r) {
-		}
-
-		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 defined(SOL_SAFE_REFERENCES) && SOL_SAFE_REFERENCES
-			if (!is_environment<meta::unqualified_t<T>>::value) {
-				auto pp = stack::push_pop(*this);
-				constructor_handler handler{};
-				stack::check<basic_environment>(lua_state(), -1, handler);
-			}
-#endif // Safety
-		}
-
-		template <typename T>
-		void set_on(const T& target) const {
-			lua_State* L = target.lua_state();
-			auto pp = stack::push_pop(target);
-#if SOL_LUA_VERSION < 502
-			// Use lua_setfenv
-			this->push();
-			lua_setfenv(L, -2);
-#else
-			// Use upvalues as explained in Lua 5.2 and beyond's manual
-			this->push();
-			const char* name = lua_setupvalue(L, -2, 1);
-			if (name == nullptr) {
-				this->pop();
-			}
-#endif
-		}
-	};
-
-	template <typename T, typename E>
-	void set_environment(const basic_environment<E>& env, const T& target) {
-		env.set_on(target);
-	}
-
-	template <typename E = reference, typename T>
-	basic_environment<E> get_environment(const T& target) {
-		lua_State* L = target.lua_state();
-		auto pp = stack::pop_n(L, stack::push_environment_of(target));
-		return basic_environment<E>(L, -1);
-	}
-
-	struct this_environment {
-		optional<environment> env;
-
-		this_environment()
-		: env(nullopt) {
-		}
-		this_environment(environment e)
-		: env(std::move(e)) {
-		}
-		this_environment(const this_environment&) = default;
-		this_environment(this_environment&&) = default;
-		this_environment& operator=(const this_environment&) = default;
-		this_environment& operator=(this_environment&&) = default;
-
-		explicit operator bool() const {
-			return static_cast<bool>(env);
-		}
-
-		operator optional<environment>&() {
-			return env;
-		}
-
-		operator const optional<environment>&() const {
-			return env;
-		}
-
-		operator environment&() {
-			return env.value();
-		}
-
-		operator const environment&() const {
-			return env.value();
-		}
-	};
-
-	namespace stack {
-		template <>
-		struct unqualified_getter<env_key_t> {
-			static environment get(lua_State* L, int index, record& tracking) {
-				tracking.use(1);
-				return get_environment(stack_reference(L, raw_index(index)));
-			}
-		};
-
-		template <>
-		struct unqualified_getter<this_environment> {
-			static this_environment get(lua_State* L, int, record& tracking) {
-				tracking.use(0);
-				lua_Debug info;
-				// Level 0 means current function (this C function, which may or may not be useful for us?)
-				// Level 1 means next call frame up the stack. (Can be nothing if function called directly from C++ with lua_p/call)
-				int pre_stack_size = lua_gettop(L);
-				if (lua_getstack(L, 1, &info) != 1) {
-					if (lua_getstack(L, 0, &info) != 1) {
-						lua_settop(L, pre_stack_size);
-						return this_environment();
-					}
-				}
-				if (lua_getinfo(L, "f", &info) == 0) {
-					lua_settop(L, pre_stack_size);
-					return this_environment();
-				}
-
-				stack_reference f(L, -1);
-				environment env(env_key, f);
-				if (!env.valid()) {
-					lua_settop(L, pre_stack_size);
-					return this_environment();
-				}
-				return this_environment(std::move(env));
-			}
-		};
-	} // namespace stack
-} // namespace sol
-
-#endif // SOL_ENVIRONMENT_HPP