Compile Lua as C++

Co-authored-by: Nerixyz <nerixdev@outlook.de>

lib/lua/CMakeLists.txt

@@ -1,48 +1,44 @@
 project(lua CXX)
 
 #[====[
-Updating this list:
-remove all listed files
-go to line below, ^y2j4j$@" and then reindent the file names
-/LUA_SRC
-:r!ls lib/lua/src | grep '\.c' | grep -Ev 'lua\.c|onelua\.c' | sed 's#^#src/#'
-
+This list contains all .c files except lua.c and onelua.c
+Use the following command from the repository root to get these file:
+perl -e 'print s/^lib\/lua\///r . "\n" for grep { /\.c$/ && !/(lua|onelua)\.c$/ } glob "lib/lua/src/*.c"'
 #]====]
 set(LUA_SRC 
-    "src/lapi.c"
-    "src/lauxlib.c"
-    "src/lbaselib.c"
-    "src/lcode.c"
-    "src/lcorolib.c"
-    "src/lctype.c"
-    "src/ldblib.c"
-    "src/ldebug.c"
-    "src/ldo.c"
-    "src/ldump.c"
-    "src/lfunc.c"
-    "src/lgc.c"
-    "src/linit.c"
-    "src/liolib.c"
-    "src/llex.c"
-    "src/lmathlib.c"
-    "src/lmem.c"
-    "src/loadlib.c"
-    "src/lobject.c"
-    "src/lopcodes.c"
-    "src/loslib.c"
-    "src/lparser.c"
-    "src/lstate.c"
-    "src/lstring.c"
-    "src/lstrlib.c"
-    "src/ltable.c"
-    "src/ltablib.c"
-    "src/ltests.c"
-    "src/ltm.c"
-    "src/lua.c"
-    "src/lundump.c"
-    "src/lutf8lib.c"
-    "src/lvm.c"
-    "src/lzio.c"
+    src/lapi.c
+    src/lauxlib.c
+    src/lbaselib.c
+    src/lcode.c
+    src/lcorolib.c
+    src/lctype.c
+    src/ldblib.c
+    src/ldebug.c
+    src/ldo.c
+    src/ldump.c
+    src/lfunc.c
+    src/lgc.c
+    src/linit.c
+    src/liolib.c
+    src/llex.c
+    src/lmathlib.c
+    src/lmem.c
+    src/loadlib.c
+    src/lobject.c
+    src/lopcodes.c
+    src/loslib.c
+    src/lparser.c
+    src/lstate.c
+    src/lstring.c
+    src/lstrlib.c
+    src/ltable.c
+    src/ltablib.c
+    src/ltests.c
+    src/ltm.c
+    src/lundump.c
+    src/lutf8lib.c
+    src/lvm.c
+    src/lzio.c
 )
 
 add_library(lua STATIC ${LUA_SRC})
@@ -50,4 +46,10 @@ target_include_directories(lua
     PUBLIC
     ${LUA_INCLUDE_DIRS}
 )
-set_source_files_properties(${LUA_SRC} PROPERTIES LANGUAGE C)
+set_target_properties(${liblua} PROPERTIES
+    LANGUAGE CXX
+    LINKER_LANGUAGE CXX
+    CXX_STANDARD 98
+    CXX_EXTENSIONS TRUE
+)
+set_source_files_properties(${LUA_SRC} PROPERTIES LANGUAGE CXX)

src/controllers/plugins/LuaAPI.cpp

@@ -9,11 +9,9 @@
 #    include "messages/MessageBuilder.hpp"
 #    include "providers/twitch/TwitchIrcServer.hpp"
 
-extern "C" {
 #    include <lauxlib.h>
 #    include <lua.h>
 #    include <lualib.h>
-}
 #    include <QFileInfo>
 #    include <QLoggingCategory>
 #    include <QTextCodec>

src/controllers/plugins/LuaAPI.hpp

@@ -2,9 +2,7 @@
 
 #ifdef CHATTERINO_HAVE_PLUGINS
 
-extern "C" {
 #    include <lua.h>
-}
 #    include "controllers/plugins/LuaUtilities.hpp"
 
 #    include <QString>

src/controllers/plugins/LuaUtilities.cpp

@@ -7,10 +7,8 @@
 #    include "controllers/plugins/api/ChannelRef.hpp"
 #    include "controllers/plugins/LuaAPI.hpp"
 
-extern "C" {
 #    include <lauxlib.h>
 #    include <lua.h>
-}
 
 #    include <climits>
 #    include <cstdlib>

src/controllers/plugins/LuaUtilities.hpp

@@ -4,10 +4,8 @@
 
 #    include "common/QLogging.hpp"
 
-extern "C" {
 #    include <lua.h>
 #    include <lualib.h>
-}
 #    include <magic_enum/magic_enum.hpp>
 #    include <QList>
 

src/controllers/plugins/Plugin.cpp

@@ -7,9 +7,7 @@
 #    include "controllers/plugins/PluginPermission.hpp"
 #    include "util/QMagicEnum.hpp"
 
-extern "C" {
 #    include <lua.h>
-}
 #    include <magic_enum/magic_enum.hpp>
 #    include <QJsonArray>
 #    include <QJsonObject>

src/controllers/plugins/PluginController.cpp

@@ -17,11 +17,9 @@
 #    include "singletons/Paths.hpp"
 #    include "singletons/Settings.hpp"
 
-extern "C" {
 #    include <lauxlib.h>
 #    include <lua.h>
 #    include <lualib.h>
-}
 #    include <QJsonDocument>
 
 #    include <memory>

src/controllers/plugins/api/ChannelRef.cpp

@@ -9,10 +9,8 @@
 #    include "providers/twitch/TwitchChannel.hpp"
 #    include "providers/twitch/TwitchIrcServer.hpp"
 
-extern "C" {
 #    include <lauxlib.h>
 #    include <lua.h>
-}
 
 #    include <cassert>
 #    include <memory>

src/controllers/plugins/api/HTTPRequest.cpp

@@ -10,10 +10,8 @@
 #    include "controllers/plugins/LuaUtilities.hpp"
 #    include "util/DebugCount.hpp"
 
-extern "C" {
 #    include <lauxlib.h>
 #    include <lua.h>
-}
 #    include <QRandomGenerator>
 #    include <QUrl>
 

src/controllers/plugins/api/HTTPResponse.cpp

@@ -5,9 +5,8 @@
 #    include "controllers/plugins/LuaAPI.hpp"
 #    include "util/DebugCount.hpp"
 
-extern "C" {
 #    include <lauxlib.h>
-}
+
 #    include <utility>
 
 namespace chatterino::lua::api {

src/controllers/plugins/api/HTTPResponse.hpp

@@ -3,10 +3,9 @@
 #    include "common/network/NetworkResult.hpp"
 #    include "controllers/plugins/LuaUtilities.hpp"
 
-#    include <memory>
-extern "C" {
 #    include <lua.h>
-}
+
+#    include <memory>
 
 namespace chatterino {
 class PluginController;

src/controllers/plugins/api/IOWrapper.cpp

@@ -5,10 +5,8 @@
 #    include "controllers/plugins/LuaUtilities.hpp"
 #    include "controllers/plugins/PluginController.hpp"
 
-extern "C" {
 #    include <lauxlib.h>
 #    include <lua.h>
-}
 
 #    include <cerrno>