Added some more naming contexts.

ICSharpCode.NRefactory.CSharp/Completion/CSharpCompletionEngine.cs

@@ -451,10 +451,12 @@ namespace ICSharpCode.NRefactory.CSharp.Completion
 				// Do not pop up completion on identifier identifier (should be handled by keyword completion).
 				tokenIndex = offset - 1;
 				token = GetPreviousToken (ref tokenIndex, false);
-				if (token == "class" || token == "namespace") // after these always follows a name
+				if (token == "class" || token == "interface" || token == "struct" || token == "enum" || token == "namespace") // after these always follows a name
 					return null;
 				int prevTokenIndex = tokenIndex;
 				var prevToken2 = GetPreviousToken (ref prevTokenIndex, false);
+				if (prevToken2 == "delegate") // after these always follows a name
+					return null;
 				if (identifierStart == null && !string.IsNullOrEmpty (token) && !(IsInsideComment (tokenIndex) || IsInsideString (tokenIndex)) && (prevToken2 == ";" || prevToken2 == "{" || prevToken2 == "}")) {
 					char last = token [token.Length - 1];
 					if (char.IsLetterOrDigit (last) || last == '_' || token == ">") {

ICSharpCode.NRefactory.Tests/CSharp/CodeCompletion/NameContextTests.cs

@@ -45,6 +45,34 @@ namespace ICSharpCode.NRefactory.CSharp.CodeCompletion
 			Assert.IsTrue (provider == null || provider.Count == 0, "provider should be empty.");
 		}
 		
+		[Test()]
+		public void TestStructName ()
+		{
+			var provider = CodeCompletionBugTests.CreateProvider (@"$struct n$");
+			Assert.IsTrue (provider == null || provider.Count == 0, "provider should be empty.");
+		}
+		
+		[Test()]
+		public void TestInterfaceName ()
+		{
+			var provider = CodeCompletionBugTests.CreateProvider (@"$interface n$");
+			Assert.IsTrue (provider == null || provider.Count == 0, "provider should be empty.");
+		}
+		
+		[Test()]
+		public void TestEnumName ()
+		{
+			var provider = CodeCompletionBugTests.CreateProvider (@"$enum n$");
+			Assert.IsTrue (provider == null || provider.Count == 0, "provider should be empty.");
+		}
+		
+		[Test()]
+		public void TestDelegateName ()
+		{
+			var provider = CodeCompletionBugTests.CreateProvider (@"$delegate void n$");
+			Assert.IsTrue (provider == null || provider.Count == 0, "provider should be empty.");
+		}
+		
 		[Test()]
 		public void TestClassTypeParameter ()
 		{