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using System.IO;

namespace Ilog.Language.Parsing
{
  /**
   * This interface defines the information needed to complete the
   * implementation of a parser.
   *
   * @see         GenericParser
   * @see         StaticParser
   * @see         DynamicParser
   *
   * @version     Last modified on Sun May 29 20:10:35 2005 by hak
   * @author      <a href="mailto:hak@ilog.fr">Hassan A&iuml;t-Kaci</a>
   * @copyright   &copy; 2000 <a href="http://www.ilog.fr/">ILOG, S.A.</a>
   */
  public interface Tokenizer
    {
      ParseNode NextToken ();
      TextReader GetReader ();
      void SetReader (TextReader reader);
      int LineNumber { get; }
    }
}