Fix #220: Link constructor calls to constructor rather than type + add link for base constructor calls

ICSharpCode.Decompiler/Ast/TextOutputFormatter.cs

@@ -84,7 +84,9 @@ namespace ICSharpCode.Decompiler.Ast
 		{
 			AstNode node = nodeStack.Peek();
 			MemberReference memberRef = node.Annotation<MemberReference>();
-			if (memberRef == null && node.Role == Roles.TargetExpression && (node.Parent is InvocationExpression || node.Parent is ObjectCreateExpression)) {
+			if ((node.Parent is ObjectCreateExpression) ||
+				(memberRef == null && node.Role == Roles.TargetExpression && node.Parent is InvocationExpression))
+			{
 				memberRef = node.Parent.Annotation<MemberReference>();
 			}
 			return memberRef;
@@ -160,6 +162,11 @@ namespace ICSharpCode.Decompiler.Ast
 		
 		public void WriteKeyword(string keyword)
 		{
+			MemberReference memberRef = GetCurrentMemberReference();
+			var node = nodeStack.Peek();
+			if (memberRef != null && node is ConstructorInitializer)
+				output.WriteReference(keyword, memberRef);
+			else
 				output.Write(keyword);
 		}