Fix output of qualified type names in IL.

ICSharpCode.Decompiler/Disassembler/DomExtensions.cs

@@ -317,6 +317,10 @@ namespace ICSharpCode.Decompiler.Disassembler
 					currentTypeRef = new Metadata.TypeReference(currentTypeRef.Module, (TypeReferenceHandle)currentTypeRef.ResolutionScope);
 				}
 				switch (currentTypeRef.ResolutionScope.Kind) {
+					case HandleKind.ModuleDefinition:
+						var modDef = metadata.GetModuleDefinition();
+						output.Write(DisassemblerHelpers.Escape(metadata.GetString(modDef.Name)));
+						break;
 					case HandleKind.ModuleReference:
 						break;
 					case HandleKind.AssemblyReference:

ICSharpCode.Decompiler/Metadata/MetadataExtensions.cs

@@ -119,16 +119,20 @@ namespace ICSharpCode.Decompiler.Metadata
 
 		public static string ToILNameString(this FullTypeName typeName)
 		{
-			var escapedName = Disassembler.DisassemblerHelpers.Escape(typeName.Name);
+			string escapedName;
-			if (typeName.TypeParameterCount > 0)
-				escapedName += "`" + typeName.TypeParameterCount;
 			if (typeName.IsNested) {
+				escapedName = Disassembler.DisassemblerHelpers.Escape(typeName.Name);
+				if (typeName.TypeParameterCount > 0)
+					escapedName += "`" + typeName.TypeParameterCount;
 				return $"{typeName.GetDeclaringType().ToILNameString()}/{escapedName}";
 			} else if (!string.IsNullOrEmpty(typeName.TopLevelTypeName.Namespace)) {
-				return $"{typeName.TopLevelTypeName.Namespace}.{escapedName}";
+				escapedName = Disassembler.DisassemblerHelpers.Escape($"{typeName.TopLevelTypeName.Namespace}.{typeName.Name}");
+				if (typeName.TypeParameterCount > 0)
+					escapedName += "`" + typeName.TypeParameterCount;
 			} else {
-				return $"{escapedName}";
+				escapedName = Disassembler.DisassemblerHelpers.Escape(typeName.Name);
 			}
+			return escapedName;
 		}
 
 		public static AssemblyReferenceHandle GetDeclaringAssembly(this TypeReferenceHandle handle, MetadataReader reader)