From 08eafd1080136deb21a541a9168b9eafaae41ed0 Mon Sep 17 00:00:00 2001
From: de4dot <de4dot@gmail.com>
Date: Thu, 29 Dec 2011 14:04:43 +0100
Subject: [PATCH] Remove useless overrides

---
 de4dot.code/renamer/Renamer.cs | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/de4dot.code/renamer/Renamer.cs b/de4dot.code/renamer/Renamer.cs
index 5a422a19..44ab1a1e 100644
--- a/de4dot.code/renamer/Renamer.cs
+++ b/de4dot.code/renamer/Renamer.cs
@@ -86,10 +86,34 @@ namespace de4dot.code.renamer {
 			prepareRenameMemberDefinitions(scopes);
 			renameMemberDefinitions();
 			renameMemberReferences();
+			removeUselessOverrides(scopes);
 			renameResources();
 			modules.cleanUp();
 		}
 
+		void removeUselessOverrides(MethodNameScopes scopes) {
+			foreach (var scope in scopes.getAllScopes()) {
+				foreach (var method in scope.Methods) {
+					if (!method.Owner.HasModule)
+						continue;
+					if (!method.isPublic())
+						continue;
+					var overrides = method.MethodDefinition.Overrides;
+					for (int i = 0; i < overrides.Count; i++) {
+						var overrideMethod = overrides[i];
+						if (method.MethodDefinition.Name != overrideMethod.Name)
+							continue;
+						Log.v("Removed useless override from method {0} ({1:X8}), override: {2:X8}",
+									method.MethodDefinition,
+									method.MethodDefinition.MetadataToken.ToInt32(),
+									overrideMethod.MetadataToken.ToInt32());
+						overrides.RemoveAt(i);
+						i--;
+					}
+				}
+			}
+		}
+
 		void renameTypeDefinitions() {
 			Log.v("Renaming obfuscated type definitions");