Initial commit: OpenRA game engine

Fork from OpenRA/OpenRA with one-click launch script (start-ra.cmd)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

OpenRA.Mods.Common/Lint/CheckSyncAnnotations.cs

@@ -0,0 +1,61 @@
+#region Copyright & License Information
+/*
+ * Copyright (c) The OpenRA Developers and Contributors
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version. For more
+ * information, see COPYING.
+ */
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+
+namespace OpenRA.Mods.Common.Lint
+{
+	sealed class CheckSyncAnnotations : ILintPass
+	{
+		public void Run(Action<string> emitError, Action<string> emitWarning, ModData modData)
+		{
+			var modTypes = modData.ObjectCreator.GetTypes();
+			CheckTypes(modTypes, emitWarning);
+		}
+
+		static readonly Type SyncInterface = typeof(ISync);
+
+		static bool TypeImplementsSync(Type type)
+		{
+			return type.GetInterfaces().Contains(SyncInterface);
+		}
+
+		static bool AnyTypeMemberIsSynced(Type type)
+		{
+			const BindingFlags Flags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.DeclaredOnly;
+			while (type != null)
+			{
+				if (((MemberInfo[])type.GetFields(Flags)).Concat(type.GetProperties(Flags)).Any(Utility.HasAttribute<VerifySyncAttribute>))
+					return true;
+				type = type.BaseType;
+			}
+
+			return false;
+		}
+
+		static void CheckTypes(IEnumerable<Type> types, Action<string> emitWarning)
+		{
+			foreach (var type in types)
+			{
+				var typeImplementsSync = TypeImplementsSync(type);
+				var anyTypeMemberIsSynced = AnyTypeMemberIsSynced(type);
+
+				if (!typeImplementsSync && anyTypeMemberIsSynced)
+					emitWarning($"{type.FullName} has members with the Sync attribute but does not implement ISync.");
+				else if (typeImplementsSync && !anyTypeMemberIsSynced)
+					emitWarning($"{type.FullName} implements ISync but does not use the Sync attribute on any members.");
+			}
+		}
+	}
+}