public override void display(CSsemi.CSemiExp semi)
 {
     Console.Write("\n    line# {0}", repo_.semi.lineCount - 1);
     Console.Write("\n    ");
     for (int i = 0; i < semi.count; ++i)
     {
         if (semi[i] != "\n" && !semi.isComment(semi[i]))
         {
             Console.Write("{0} ", semi[i]);
         }
     }
 }