Lua: Add HostOsInfo.architecture

Change-Id: I6acbb9d960cc070335454d0d87674a782a7c930e
Reviewed-by: hjk <hjk@qt.io>

src/plugins/lua/bindings/utils.cpp

@@ -92,6 +92,24 @@ void addUtilsModule()
                 else
                     return "unknown";
             }());
+            hostOsInfoType["architecture"] = sol::var([]() {
+                switch (HostOsInfo::hostArchitecture()) {
+                case OsArchUnknown:
+                    return "unknown";
+                case OsArchX86:
+                    return "x86";
+                case OsArchAMD64:
+                    return "x86_64";
+                case OsArchItanium:
+                    return "itanium";
+                case OsArchArm:
+                    return "arm";
+                case OsArchArm64:
+                    return "arm64";
+                default:
+                    return "unknown";
+                }
+            }());
 
             sol::usertype<FilePath> filePathType = utils.new_usertype<FilePath>(
                 "FilePath",

src/plugins/lua/meta/utils.lua

@@ -81,4 +81,9 @@ function utils.FilePath:completeSuffix() end
 ---Returns whether the path is absolute
 ---@return boolean
 function utils.FilePath:isAbsolutePath() end
+
+---@class HostOsInfo
+---@field os "mac"|"windows"|"linux" The current host operating system
+---@field architecture "unknown"|"x86"|"x86_64"|"itanium"|"arm"|"arm64" The current host architecture
+utils.HostOsInfo = {}
 return utils