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using Ilog.Language.Tools;

namespace Ilog.Language.Syntax
{
  /**
   * Signals that something is wrong with the grammar.
   *
   * @see         Grammar
   * @version     Last modified on Sat May 21 20:35:33 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>
   */
  internal class BadGrammarException : System.ApplicationException
    {
      /**
       * Constructs a new BadGrammarException with no message
       */
      public BadGrammarException () : this("") {}

      /**
       * Constructs a new BadGrammarException with a message.
       */
      public BadGrammarException (string msg)
        {
	  Options.Error.WriteLine("*** Bad grammar "+msg);
	  Options.Error.WriteLine("*** Aborting grammar analysis!");
	  Misc.Beep();
	}
  }
}