Fixed anonymous type null reference exception.

ICSharpCode.NRefactory.CSharp/Completion/CSharpCompletionEngineBase.cs

@@ -336,7 +336,7 @@ namespace ICSharpCode.NRefactory.CSharp.Completion
 				wrapper.Append ('}');
 			
 			TextLocation memberLocation;
-			if (currentMember != null && currentType.Kind != TypeKind.Enum) {
+			if (currentMember != null && currentType != null && currentType.Kind != TypeKind.Enum) {
 				memberLocation = currentMember.Region.Begin;
 			} else if (currentType != null) {
 				memberLocation = currentType.Region.Begin;
@@ -365,7 +365,7 @@ namespace ICSharpCode.NRefactory.CSharp.Completion
 		protected Tuple<string, bool> GetMemberTextToCaret ()
 		{
 			int startOffset;
-			if (currentMember != null && currentType.Kind != TypeKind.Enum) {
+			if (currentMember != null && currentType != null && currentType.Kind != TypeKind.Enum) {
 				startOffset = document.GetOffset (currentMember.Region.BeginLine, currentMember.Region.BeginColumn);
 			} else if (currentType != null) {
 				startOffset = document.GetOffset (currentType.Region.BeginLine, currentType.Region.BeginColumn);

ICSharpCode.NRefactory.CSharp/Parser/CSharpParser.cs

@@ -2579,6 +2579,8 @@ namespace ICSharpCode.NRefactory.CSharp
 				if (newAnonymousType.Parameters == null)
 					return result;
 				foreach (var par in newAnonymousType.Parameters) {
+					if (par == null)
+						continue;
 					var location = LocationsBag.GetLocations (par);
 
 					if (location == null) {