Lua stream example!

examples/source/lua_stream.cpp

@@ -0,0 +1,23 @@
+#define SOL_CHECK_ARGUMENTS 1
+#include <sol/sol.hpp>
+
+#include <cstdio>
+
+bool is_file_std_out(sol::table data) {
+	sol::object maybe_file = data["file"];
+	if (maybe_file.is<luaL_Stream&>()) {
+		luaL_Stream& filestream = data["file"];
+		return filestream.f == stdout;
+	}
+	return false;
+}
+
+int main() {
+	sol::state lua;
+	lua.open_libraries(sol::lib::base, sol::lib::io);
+
+	lua["is_std_out"] = &is_file_std_out;
+	lua.script("assert(is_std_out{ file = io.stdout })");
+
+	return 0;
+}

include/sol/stack_check_unqualified.hpp

@@ -181,7 +181,7 @@ namespace sol { namespace stack {
 				return success;
 #endif // Strings are Numbers
 			}
-			else if constexpr(meta::any_same_v<T, type, this_state, this_main_state, this_environment, variadic_args>) {
+			else if constexpr (meta::any_same_v<T, type, this_state, this_main_state, this_environment, variadic_args>) {
 				(void)L;
 				(void)index;
 				(void)handler;
@@ -223,11 +223,12 @@ namespace sol { namespace stack {
 				handler(L, index, type::userdata, indextype, "unrecognized userdata (not pushed by sol?)");
 				return false;
 			}
-			else if constexpr (meta::any_same_v<T, lua_nil_t, 
+			else if constexpr (meta::any_same_v<T,
+				                   lua_nil_t,
 #if defined(SOL_CXX_17_FEATURES) && SOL_CXX_17_FEATURES
-				std::nullopt_t,
+				                   std::nullopt_t,
 #endif
-			nullopt_t>) {
+				                   nullopt_t>) {
 				bool success = lua_isnil(L, index);
 				if (success) {
 					tracking.use(1);
@@ -271,7 +272,7 @@ namespace sol { namespace stack {
 				}
 				return true;
 			}
-			else if constexpr(meta::is_specialization_of_v<T, basic_environment>) {
+			else if constexpr (meta::is_specialization_of_v<T, basic_environment>) {
 				tracking.use(1);
 				if (lua_getmetatable(L, index) == 0) {
 					return true;
@@ -305,6 +306,33 @@ namespace sol { namespace stack {
 				}
 				return true;
 			}
+			else if constexpr (std::is_same_v<T, luaL_Stream*> || std::is_same_v<T, luaL_Stream>) {
+				if (lua_getmetatable(L, index) == 0) {
+					type t = type_of(L, index);
+					handler(L, index, expected, t, "value is not a valid luaL_Stream (has no metatable/is not a valid value)");
+					return false;
+				}
+				luaL_getmetatable(L, LUA_FILEHANDLE);
+				if (type_of(L, index) != type::table) {
+					type t = type_of(L, index);
+					lua_pop(L, 1);
+					handler(L,
+						index,
+						expected,
+						t,
+						"value is not a valid luaL_Stream (there is no metatable for luaL_Stream -- did you forget to "
+						"my_lua_state.open_libraries(sol::lib::state) or equivalent?)");
+					return false;
+				}
+				int is_stream_table = lua_compare(L, -1, -2, LUA_OPEQ);
+				lua_pop(L, 2);
+				if (is_stream_table == 0) {
+					type t = type_of(L, index);
+					handler(L, index, expected, t, "value is not a valid luaL_Stream (incorrect metatable)");
+					return false;
+				}
+				return true;
+			}
 			else if constexpr (expected == type::userdata) {
 				if constexpr (meta::any_same_v<T, userdata_value> || meta::is_specialization_of_v<T, basic_userdata>) {
 					tracking.use(1);
@@ -435,7 +463,9 @@ namespace sol { namespace stack {
 
 		template <typename U, typename Handler>
 		static bool check(types<U>, lua_State* L, int index, type indextype, Handler&& handler, record& tracking) {
-			if constexpr (std::is_same_v<T, lightuserdata_value> || std::is_same_v<T, userdata_value> || std::is_same_v<T, userdata> || std::is_same_v<T, lightuserdata>) {
+			if constexpr (
+				std::is_same_v<T,
+				     lightuserdata_value> || std::is_same_v<T, userdata_value> || std::is_same_v<T, userdata> || std::is_same_v<T, lightuserdata>) {
 				tracking.use(1);
 				if (indextype != type::userdata) {
 					handler(L, index, type::userdata, indextype, "value is not a valid userdata");
@@ -469,9 +499,9 @@ namespace sol { namespace stack {
 				bool success = false;
 				bool has_derived = derive<T>::value || weak_derive<T>::value;
 				if (has_derived) {
-	#if defined(SOL_SAFE_STACK_CHECK) && SOL_SAFE_STACK_CHECK
+#if defined(SOL_SAFE_STACK_CHECK) && SOL_SAFE_STACK_CHECK
 					luaL_checkstack(L, 1, detail::not_enough_stack_space_string);
-	#endif // make sure stack doesn't overflow
+#endif // make sure stack doesn't overflow
 					auto pn = stack::pop_n(L, 1);
 					lua_pushstring(L, &detail::base_class_check_key()[0]);
 					lua_rawget(L, metatableindex);

include/sol/stack_get_unqualified.hpp

@@ -84,7 +84,7 @@ namespace sol { namespace stack {
 					cp = dr.codepoint;
 					strtarget = dr.next;
 				}
-				if constexpr(std::is_same_v<Ch, char32_t>) {
+				if constexpr (std::is_same_v<Ch, char32_t>) {
 					auto er = unicode::code_point_to_utf32(cp);
 					f(er);
 				}
@@ -153,6 +153,14 @@ namespace sol { namespace stack {
 				Real* mem = static_cast<Real*>(memory);
 				return *mem;
 			}
+			else if constexpr (std::is_same_v<T, luaL_Stream*>) {
+				luaL_Stream* pstream = static_cast<luaL_Stream*>(lua_touserdata(L, index));
+				return pstream;
+			}
+			else if constexpr (std::is_same_v<T, luaL_Stream>) {
+				luaL_Stream* pstream = static_cast<luaL_Stream*>(lua_touserdata(L, index));
+				return *pstream;
+			}
 			else {
 				return stack_detail::unchecked_unqualified_get<detail::as_value_tag<T>>(L, index, tracking);
 			}
@@ -164,7 +172,8 @@ namespace sol { namespace stack {
 		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
-				= !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>;
+				= !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 (type_of(L, index) == type::userdata) {
 					return static_cast<Tu>(stack_detail::unchecked_unqualified_get<Tu>(L, index, tracking));
@@ -280,7 +289,7 @@ namespace sol { namespace stack {
 
 			// the W4 flag is really great,
 			// so great that it can tell my for loops (twice nested)
-			// below never actually terminate 
+			// below never actually terminate
 			// without hitting where the gotos have infested
 
 			// so now I would get the error W4XXX unreachable
@@ -316,7 +325,7 @@ namespace sol { namespace stack {
 			T cont;
 			std::size_t idx = 0;
 #if SOL_LUA_VERSION >= 503
-			// This method is HIGHLY performant over regular table iteration 
+			// This method is HIGHLY performant over regular table iteration
 			// thanks to the Lua API changes in 5.3
 			// Questionable in 5.4
 			for (lua_Integer i = 0;; i += lua_size<V>::value) {
@@ -363,7 +372,7 @@ namespace sol { namespace stack {
 #endif
 					continue;
 				}
-				
+
 				push_back_at_end(meta::has_push_back<Tu>(), t, L, cont, idx);
 				++idx;
 				lua_pop(L, lua_size<V>::value);
@@ -399,7 +408,7 @@ namespace sol { namespace stack {
 				++idx;
 			}
 #endif
-			done:
+		done:
 			return cont;
 		}
 
@@ -514,7 +523,7 @@ namespace sol { namespace stack {
 				++idx;
 			}
 #endif
-			done:
+		done:
 			return cont;
 		}
 
@@ -756,7 +765,7 @@ namespace sol { namespace stack {
 	struct unqualified_getter<meta_function> {
 		static meta_function get(lua_State* L, int index, record& tracking) {
 			tracking.use(1);
-			const char* name = unqualified_getter<const char*>{}.get(L, index, tracking);
+			const char* name = unqualified_getter<const char*> {}.get(L, index, tracking);
 			const auto& mfnames = meta_function_names();
 			for (std::size_t i = 0; i < mfnames.size(); ++i)
 				if (mfnames[i] == name)
@@ -874,8 +883,7 @@ namespace sol { namespace stack {
 					lua_getfield(L, -1, &detail::base_class_cast_key()[0]);
 					if (type_of(L, -1) != type::lua_nil) {
 						void* basecastdata = lua_touserdata(L, -1);
-						detail::inheritance_cast_function ic
+						detail::inheritance_cast_function ic = reinterpret_cast<detail::inheritance_cast_function>(basecastdata);
-							= reinterpret_cast<detail::inheritance_cast_function>(basecastdata);
 						// use the casting function to properly adjust the pointer for the desired T
 						udata = ic(udata, usertype_traits<T>::qualified_name());
 					}
@@ -953,15 +961,14 @@ namespace sol { namespace stack {
 		template <typename... Args>
 		static R apply(std::index_sequence<>, lua_State*, int, record&, Args&&... args) {
 			// Fuck you too, VC++
-			return R{ std::forward<Args>(args)... };
+			return R { std::forward<Args>(args)... };
 		}
 
 		template <std::size_t I, std::size_t... Ix, typename... Args>
 		static R apply(std::index_sequence<I, Ix...>, lua_State* L, int index, record& tracking, Args&&... args) {
 			// Fuck you too, VC++
 			typedef std::tuple_element_t<I, std::tuple<Tn...>> T;
-			return apply(std::index_sequence<Ix...>(), L, index, tracking, std::forward<Args>(args)...,
+			return apply(std::index_sequence<Ix...>(), L, index, tracking, std::forward<Args>(args)..., stack::get<T>(L, index + tracking.used, tracking));
-				stack::get<T>(L, index + tracking.used, tracking));
 		}
 
 		static R get(lua_State* L, int index, record& tracking) {
@@ -972,9 +979,8 @@ namespace sol { namespace stack {
 	template <typename A, typename B>
 	struct unqualified_getter<std::pair<A, B>> {
 		static decltype(auto) get(lua_State* L, int index, record& tracking) {
-			return std::pair<decltype(stack::get<A>(L, index)), decltype(stack::get<B>(L, index))>{
+			return std::pair<decltype(stack::get<A>(L, index)), decltype(stack::get<B>(L, index))> { stack::get<A>(L, index, tracking),
-				stack::get<A>(L, index, tracking), stack::get<B>(L, index + tracking.used, tracking)
+				stack::get<B>(L, index + tracking.used, tracking) };
-			};
 		}
 	};
 
@@ -992,9 +998,9 @@ namespace sol { namespace stack {
 				return V();
 			}
 			else {
-				//using T = std::variant_alternative_t<0, V>;
+				// using T = std::variant_alternative_t<0, V>;
 				std::abort();
-				//return V(std::in_place_index<0>, stack::get<T>(L, index, tracking));
+				// return V(std::in_place_index<0>, stack::get<T>(L, index, tracking));
 			}
 		}
 
@@ -1016,6 +1022,6 @@ namespace sol { namespace stack {
 #endif // SOL_STD_VARIANT
 #endif // SOL_CXX17_FEATURES
 
-}}	// namespace sol::stack
+}} // namespace sol::stack
 
 #endif // SOL_STACK_UNQUALIFIED_GET_HPP

include/sol/stack_push.hpp

@@ -296,6 +296,20 @@ namespace sol { namespace stack {
 				lua_pushnumber(L, std::forward<Args>(args)...);
 				return 1;
 			}
+			else if constexpr (std::is_same<Tu, luaL_Stream*>) {
+				luaL_Stream* source(std::forward<Args>(args)...);
+				luaL_Stream* stream = static_cast<luaL_Stream*>(lua_newuserdata(L, sizeof(luaL_Stream)));
+				stream->f = source->f;
+				stream->closef = source->closef;
+				return 1;
+			}
+			else if constexpr (std::is_same<Tu, luaL_Stream>) {
+				luaL_Stream& source(std::forward<Args>(args)...);
+				luaL_Stream* stream = static_cast<luaL_Stream*>(lua_newuserdata(L, sizeof(luaL_Stream)));
+				stream->f = source.f;
+				stream->closef = source.closef;
+				return 1;
+			}
 			else if constexpr (std::is_enum_v<Tu>) {
 				return stack_detail::msvc_is_ass_with_if_constexpr_push_enum(std::true_type(), L, std::forward<Args>(args)...);
 			}

single/include/sol/forward.hpp

@@ -20,8 +20,8 @@
 // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 // This file was generated with a script.
-// Generated 2020-01-25 04:59:37.808053 UTC
+// Generated 2020-01-25 17:11:21.688498 UTC
-// This header was generated with sol v3.2.0 (revision c5863c8)
+// This header was generated with sol v3.2.0 (revision 2beb13b)
 // https://github.com/ThePhD/sol2
 
 #ifndef SOL_SINGLE_INCLUDE_FORWARD_HPP

single/include/sol/sol.hpp

@@ -20,8 +20,8 @@
 // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 // This file was generated with a script.
-// Generated 2020-01-25 04:59:35.996014 UTC
+// Generated 2020-01-25 17:11:19.283779 UTC
-// This header was generated with sol v3.2.0 (revision c5863c8)
+// This header was generated with sol v3.2.0 (revision 2beb13b)
 // https://github.com/ThePhD/sol2
 
 #ifndef SOL_SINGLE_INCLUDE_HPP
@@ -11060,7 +11060,7 @@ namespace sol { namespace stack {
 				return success;
 #endif // Strings are Numbers
 			}
-			else if constexpr(meta::any_same_v<T, type, this_state, this_main_state, this_environment, variadic_args>) {
+			else if constexpr (meta::any_same_v<T, type, this_state, this_main_state, this_environment, variadic_args>) {
 				(void)L;
 				(void)index;
 				(void)handler;
@@ -11102,11 +11102,12 @@ namespace sol { namespace stack {
 				handler(L, index, type::userdata, indextype, "unrecognized userdata (not pushed by sol?)");
 				return false;
 			}
-			else if constexpr (meta::any_same_v<T, lua_nil_t, 
+			else if constexpr (meta::any_same_v<T,
+				                   lua_nil_t,
 #if defined(SOL_CXX_17_FEATURES) && SOL_CXX_17_FEATURES
-				std::nullopt_t,
+				                   std::nullopt_t,
 #endif
-			nullopt_t>) {
+				                   nullopt_t>) {
 				bool success = lua_isnil(L, index);
 				if (success) {
 					tracking.use(1);
@@ -11150,7 +11151,7 @@ namespace sol { namespace stack {
 				}
 				return true;
 			}
-			else if constexpr(meta::is_specialization_of_v<T, basic_environment>) {
+			else if constexpr (meta::is_specialization_of_v<T, basic_environment>) {
 				tracking.use(1);
 				if (lua_getmetatable(L, index) == 0) {
 					return true;
@@ -11184,6 +11185,30 @@ namespace sol { namespace stack {
 				}
 				return true;
 			}
+			else if constexpr (std::is_same_v<T, luaL_Stream*> || std::is_same_v<T, luaL_Stream>) {
+				if (lua_getmetatable(L, index) == 0) {
+					handler(L, index, expected, t, "value is not a valid luaL_Stream (has no metatable/is not a valid value)");
+					return false;
+				}
+				luaL_getmetatable(L, LUA_FILEHANDLE);
+				if (type_of(L, index) != type::table) {
+					lua_pop(L, 1);
+					handler(L,
+						index,
+						expected,
+						t,
+						"value is not a valid luaL_Stream (there is no metatable for luaL_Stream -- did you forget to "
+						"my_lua_state.open_libraries(sol::lib::state) or equivalent?)");
+					return false;
+				}
+				int is_stream_table = lua_compare(L, -1, -2, LUA_OPEQ);
+				lua_pop(L, 2);
+				if (is_stream_table == 0) {
+					handler(L, index, expected, t, "value is not a valid luaL_Stream (incorrect metatable)");
+					return false;
+				}
+				return true;
+			}
 			else if constexpr (expected == type::userdata) {
 				if constexpr (meta::any_same_v<T, userdata_value> || meta::is_specialization_of_v<T, basic_userdata>) {
 					tracking.use(1);
@@ -11314,7 +11339,9 @@ namespace sol { namespace stack {
 
 		template <typename U, typename Handler>
 		static bool check(types<U>, lua_State* L, int index, type indextype, Handler&& handler, record& tracking) {
-			if constexpr (std::is_same_v<T, lightuserdata_value> || std::is_same_v<T, userdata_value> || std::is_same_v<T, userdata> || std::is_same_v<T, lightuserdata>) {
+			if constexpr (
+				std::is_same_v<T,
+				     lightuserdata_value> || std::is_same_v<T, userdata_value> || std::is_same_v<T, userdata> || std::is_same_v<T, lightuserdata>) {
 				tracking.use(1);
 				if (indextype != type::userdata) {
 					handler(L, index, type::userdata, indextype, "value is not a valid userdata");
@@ -11348,9 +11375,9 @@ namespace sol { namespace stack {
 				bool success = false;
 				bool has_derived = derive<T>::value || weak_derive<T>::value;
 				if (has_derived) {
-	#if defined(SOL_SAFE_STACK_CHECK) && SOL_SAFE_STACK_CHECK
+#if defined(SOL_SAFE_STACK_CHECK) && SOL_SAFE_STACK_CHECK
 					luaL_checkstack(L, 1, detail::not_enough_stack_space_string);
-	#endif // make sure stack doesn't overflow
+#endif // make sure stack doesn't overflow
 					auto pn = stack::pop_n(L, 1);
 					lua_pushstring(L, &detail::base_class_check_key()[0]);
 					lua_rawget(L, metatableindex);
@@ -11932,7 +11959,7 @@ namespace sol { namespace stack {
 					cp = dr.codepoint;
 					strtarget = dr.next;
 				}
-				if constexpr(std::is_same_v<Ch, char32_t>) {
+				if constexpr (std::is_same_v<Ch, char32_t>) {
 					auto er = unicode::code_point_to_utf32(cp);
 					f(er);
 				}
@@ -12001,6 +12028,14 @@ namespace sol { namespace stack {
 				Real* mem = static_cast<Real*>(memory);
 				return *mem;
 			}
+			else if constexpr (std::is_same_v<T, luaL_Stream*>) {
+				luaL_Stream* pstream = static_cast<luaL_Stream*>(lua_touserdata(L, index));
+				return pstream;
+			}
+			else if constexpr (std::is_same_v<T, luaL_Stream>) {
+				luaL_Stream* pstream = static_cast<luaL_Stream*>(lua_touserdata(L, index));
+				return *pstream;
+			}
 			else {
 				return stack_detail::unchecked_unqualified_get<detail::as_value_tag<T>>(L, index, tracking);
 			}
@@ -12012,7 +12047,8 @@ namespace sol { namespace stack {
 		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
-				= !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>;
+				= !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 (type_of(L, index) == type::userdata) {
 					return static_cast<Tu>(stack_detail::unchecked_unqualified_get<Tu>(L, index, tracking));
@@ -12128,7 +12164,7 @@ namespace sol { namespace stack {
 
 			// the W4 flag is really great,
 			// so great that it can tell my for loops (twice nested)
-			// below never actually terminate 
+			// below never actually terminate
 			// without hitting where the gotos have infested
 
 			// so now I would get the error W4XXX unreachable
@@ -12164,7 +12200,7 @@ namespace sol { namespace stack {
 			T cont;
 			std::size_t idx = 0;
 #if SOL_LUA_VERSION >= 503
-			// This method is HIGHLY performant over regular table iteration 
+			// This method is HIGHLY performant over regular table iteration
 			// thanks to the Lua API changes in 5.3
 			// Questionable in 5.4
 			for (lua_Integer i = 0;; i += lua_size<V>::value) {
@@ -12211,7 +12247,7 @@ namespace sol { namespace stack {
 #endif
 					continue;
 				}
-				
+
 				push_back_at_end(meta::has_push_back<Tu>(), t, L, cont, idx);
 				++idx;
 				lua_pop(L, lua_size<V>::value);
@@ -12247,7 +12283,7 @@ namespace sol { namespace stack {
 				++idx;
 			}
 #endif
-			done:
+		done:
 			return cont;
 		}
 
@@ -12362,7 +12398,7 @@ namespace sol { namespace stack {
 				++idx;
 			}
 #endif
-			done:
+		done:
 			return cont;
 		}
 
@@ -12604,7 +12640,7 @@ namespace sol { namespace stack {
 	struct unqualified_getter<meta_function> {
 		static meta_function get(lua_State* L, int index, record& tracking) {
 			tracking.use(1);
-			const char* name = unqualified_getter<const char*>{}.get(L, index, tracking);
+			const char* name = unqualified_getter<const char*> {}.get(L, index, tracking);
 			const auto& mfnames = meta_function_names();
 			for (std::size_t i = 0; i < mfnames.size(); ++i)
 				if (mfnames[i] == name)
@@ -12722,8 +12758,7 @@ namespace sol { namespace stack {
 					lua_getfield(L, -1, &detail::base_class_cast_key()[0]);
 					if (type_of(L, -1) != type::lua_nil) {
 						void* basecastdata = lua_touserdata(L, -1);
-						detail::inheritance_cast_function ic
+						detail::inheritance_cast_function ic = reinterpret_cast<detail::inheritance_cast_function>(basecastdata);
-							= reinterpret_cast<detail::inheritance_cast_function>(basecastdata);
 						// use the casting function to properly adjust the pointer for the desired T
 						udata = ic(udata, usertype_traits<T>::qualified_name());
 					}
@@ -12801,15 +12836,14 @@ namespace sol { namespace stack {
 		template <typename... Args>
 		static R apply(std::index_sequence<>, lua_State*, int, record&, Args&&... args) {
 			// Fuck you too, VC++
-			return R{ std::forward<Args>(args)... };
+			return R { std::forward<Args>(args)... };
 		}
 
 		template <std::size_t I, std::size_t... Ix, typename... Args>
 		static R apply(std::index_sequence<I, Ix...>, lua_State* L, int index, record& tracking, Args&&... args) {
 			// Fuck you too, VC++
 			typedef std::tuple_element_t<I, std::tuple<Tn...>> T;
-			return apply(std::index_sequence<Ix...>(), L, index, tracking, std::forward<Args>(args)...,
+			return apply(std::index_sequence<Ix...>(), L, index, tracking, std::forward<Args>(args)..., stack::get<T>(L, index + tracking.used, tracking));
-				stack::get<T>(L, index + tracking.used, tracking));
 		}
 
 		static R get(lua_State* L, int index, record& tracking) {
@@ -12820,9 +12854,8 @@ namespace sol { namespace stack {
 	template <typename A, typename B>
 	struct unqualified_getter<std::pair<A, B>> {
 		static decltype(auto) get(lua_State* L, int index, record& tracking) {
-			return std::pair<decltype(stack::get<A>(L, index)), decltype(stack::get<B>(L, index))>{
+			return std::pair<decltype(stack::get<A>(L, index)), decltype(stack::get<B>(L, index))> { stack::get<A>(L, index, tracking),
-				stack::get<A>(L, index, tracking), stack::get<B>(L, index + tracking.used, tracking)
+				stack::get<B>(L, index + tracking.used, tracking) };
-			};
 		}
 	};
 
@@ -12840,9 +12873,9 @@ namespace sol { namespace stack {
 				return V();
 			}
 			else {
-				//using T = std::variant_alternative_t<0, V>;
+				// using T = std::variant_alternative_t<0, V>;
 				std::abort();
-				//return V(std::in_place_index<0>, stack::get<T>(L, index, tracking));
+				// return V(std::in_place_index<0>, stack::get<T>(L, index, tracking));
 			}
 		}
 
@@ -12864,7 +12897,7 @@ namespace sol { namespace stack {
 #endif // SOL_STD_VARIANT
 #endif // SOL_CXX17_FEATURES
 
-}}	// namespace sol::stack
+}} // namespace sol::stack
 
 // end of sol/stack_get_unqualified.hpp
 
@@ -13383,6 +13416,20 @@ namespace sol { namespace stack {
 				lua_pushnumber(L, std::forward<Args>(args)...);
 				return 1;
 			}
+			else if constexpr (std::is_same<Tu, luaL_Stream*>) {
+				luaL_Stream* source(std::forward<Args>(Args)...);
+				luaL_Stream* stream = static_cast<luaL_Stream*>(lua_newuserdata(L, sizeof(luaL_Stream)));
+				stream->f = source->f;
+				stream->closef = source->closef;
+				return 1;
+			}
+			else if constexpr (std::is_same<Tu, luaL_Stream>) {
+				luaL_Stream& source(std::forward<Args>(Args)...);
+				luaL_Stream* stream = static_cast<luaL_Stream*>(lua_newuserdata(L, sizeof(luaL_Stream)));
+				stream->f = source.f;
+				stream->closef = source.closef;
+				return 1;
+			}
 			else if constexpr (std::is_enum_v<Tu>) {
 				return stack_detail::msvc_is_ass_with_if_constexpr_push_enum(std::true_type(), L, std::forward<Args>(args)...);
 			}