
package java_cup;

/** Exception subclass for reporting internal errors in JavaCup. */
public class internal_error extends Exception
  {
    /** Constructor with a message */
    public internal_error(String msg)
      {
    super(msg);
      }

    /** Method called to do a forced error exit on an internal error
    for cases when we can't actually throw the exception.  */
    public void crash()
      {
    System.err.println("JavaCUP Fatal Internal Error Detected");
    System.err.println(getMessage());
    printStackTrace();
    System.exit(-1);
      }
  };