Remove useless class and fix a porting todo

de4dot.code/DeobfuscatorContext.cs

@@ -26,12 +26,10 @@ namespace de4dot.code {
 	// "global" data and methods that is shared between all deobfuscators that deobfuscate
 	// assemblies at the same time.
 	public class DeobfuscatorContext : IDeobfuscatorContext {
-		ExternalAssemblies externalAssemblies = new ExternalAssemblies();
 		Dictionary<string, object> dataDict = new Dictionary<string, object>(StringComparer.Ordinal);
 
 		public void clear() {
 			dataDict.Clear();
-			externalAssemblies.unloadAll();
 		}
 
 		public void setData(string name, object data) {

de4dot.code/ExternalAssemblies.cs

@@ -1,107 +0,0 @@
-/*
-    Copyright (C) 2011-2012 de4dot@gmail.com
-
-    This file is part of de4dot.
-
-    de4dot is free software: you can redistribute it and/or modify
-    it 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.
-
-    de4dot is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with de4dot.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-using System;
-using System.Collections.Generic;
-using dot10.DotNet;
-using de4dot.blocks;
-
-namespace de4dot.code {
-	class ExternalAssembly {
-		AssemblyDef asmDef;
-
-		public ExternalAssembly(AssemblyDef asmDef) {
-			this.asmDef = asmDef;
-		}
-
-		public TypeDef resolve(ITypeDefOrRef type) {
-			foreach (var module in asmDef.Modules) {
-				var typeDef = module.Find(type);
-				if (typeDef != null)
-					return typeDef;
-			}
-
-			return null;
-		}
-
-		public void unload(string asmFullName) {
-			foreach (var module in asmDef.Modules) {
-				//TODO: DotNetUtils.typeCaches.invalidate(module);
-				TheAssemblyResolver.Instance.removeModule(module);
-			}
-			TheAssemblyResolver.Instance.removeModule(asmFullName);
-		}
-	}
-
-	// Loads assemblies that aren't renamed
-	class ExternalAssemblies {
-		Dictionary<string, ExternalAssembly> assemblies = new Dictionary<string, ExternalAssembly>(StringComparer.Ordinal);
-		Dictionary<string, bool> failedLoads = new Dictionary<string, bool>(StringComparer.Ordinal);
-
-		ExternalAssembly load(TypeRef type) {
-			if (type == null || type.DefinitionAssembly == null)
-				return null;
-			var asmFullName = type.DefinitionAssembly.FullName;
-			ExternalAssembly asm;
-			if (assemblies.TryGetValue(asmFullName, out asm))
-				return asm;
-
-			var asmDef = TheAssemblyResolver.Instance.Resolve(type.DefinitionAssembly, type.OwnerModule);
-			if (asmDef == null) {
-				if (!failedLoads.ContainsKey(asmFullName))
-					Log.w("Could not load assembly {0}", asmFullName);
-				failedLoads[asmFullName] = true;
-				return null;
-			}
-			if (assemblies.ContainsKey(asmDef.FullName)) {
-				assemblies[asmFullName] = assemblies[asmDef.FullName];
-				return assemblies[asmDef.FullName];
-			}
-
-			if (asmFullName == asmDef.FullName)
-				Log.v("Loaded assembly {0}", asmFullName);
-			else
-				Log.v("Loaded assembly {0} (but wanted {1})", asmDef.FullName, asmFullName);
-
-			asm = new ExternalAssembly(asmDef);
-			assemblies[asmFullName] = asm;
-			assemblies[asmDef.FullName] = asm;
-			return asm;
-		}
-
-		public TypeDef resolve(TypeRef type) {
-			if (type == null)
-				return null;
-			var asm = load(type);
-			if (asm == null)
-				return null;
-			return asm.resolve(type);
-		}
-
-		public void unloadAll() {
-			foreach (var pair in assemblies) {
-				if (pair.Value == null)
-					continue;
-				pair.Value.unload(pair.Key);
-			}
-			assemblies.Clear();
-			failedLoads.Clear();
-		}
-	}
-}

de4dot.code/de4dot.code.csproj

@@ -263,7 +263,6 @@
     <Compile Include="deobfuscators\ValueInlinerBase.cs" />
     <None Include="deobfuscators\Xenocode\Deobfuscator.cs" />
     <None Include="deobfuscators\Xenocode\StringDecrypter.cs" />
-    <Compile Include="ExternalAssemblies.cs" />
     <Compile Include="IDeobfuscatorContext.cs" />
     <Compile Include="IObfuscatedFile.cs" />
     <Compile Include="Log.cs" />

de4dot.cui/FilesDeobfuscator.cs

@@ -78,9 +78,6 @@ namespace de4dot.cui {
 
 		static void removeModule(ModuleDef module) {
 			TheAssemblyResolver.Instance.removeModule(module);
-#if PORT
-			DotNetUtils.typeCaches.invalidate(module);
-#endif
 		}
 
 		void detectObfuscators() {