public int CheckReservedWord(string Word2Check)
        {
            CNList np = LookupReservedWord(Word2Check.ToLower());

            if (np == null)
            {
                return(t_Id);
            }
            else
            {
                return(np.TokenValue);
            }
        }
 public bool AddReservedWord(string Identifier, int Token)
 {
     if (LookupReservedWord(Identifier.ToLower()) == null)
     {
         CNList np = new CNList();
         np.Literal     = Identifier.ToLower();
         np.TokenValue  = Token;
         HT[Identifier] = np;
         return(true);
     }
     else
     {
         System.Console.WriteLine("Reserved word already defined");
         return(false);
     }
 }