add current column in the node annotation tuple

ICSharpCode.Decompiler/Ast/TextOutputFormatter.cs

@@ -152,7 +152,7 @@ namespace ICSharpCode.Decompiler.Ast
 				int c = 0;
 				if (n != null)
 					c = n.Attributes.Count;
-				node.AddAnnotation(Tuple.Create(output.CurrentLine + c, 0));
+				node.AddAnnotation(Tuple.Create(output.CurrentLine + c, output.CurrentColumn));
 			}
 			
 			nodeStack.Push(node);

ICSharpCode.Decompiler/ITextOutput.cs

@@ -24,6 +24,7 @@ namespace ICSharpCode.Decompiler
 	public interface ITextOutput
 	{
 		int CurrentLine { get; }
+		int CurrentColumn { get; }
 		
 		void Indent();
 		void Unindent();

ICSharpCode.Decompiler/PlainTextOutput.cs

@@ -27,6 +27,7 @@ namespace ICSharpCode.Decompiler
 		int indent;
 		bool needsIndent;
 		int lineNumber = 1;
+		int columnNumber = 1;
 		
 		public PlainTextOutput(TextWriter writer)
 		{
@@ -44,6 +45,10 @@ namespace ICSharpCode.Decompiler
 			get { return lineNumber; }
 		}
 		
+		public int CurrentColumn { 
+			get { return columnNumber; }
+		}
+		
 		public override string ToString()
 		{
 			return writer.ToString();
@@ -65,6 +70,7 @@ namespace ICSharpCode.Decompiler
 				needsIndent = false;
 				for (int i = 0; i < indent; i++) {
 					writer.Write('\t');
+					columnNumber += 4;
 				}
 			}
 		}
@@ -73,12 +79,14 @@ namespace ICSharpCode.Decompiler
 		{
 			WriteIndent();
 			writer.Write(ch);
+			columnNumber++;
 		}
 		
 		public void Write(string text)
 		{
 			WriteIndent();
 			writer.Write(text);
+			columnNumber += text.Length;
 		}
 		
 		public void WriteLine()