/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * C# Flex 1.4                                                             *
 * Copyright (C) 2004-2005  Jonathan Gilbert <logic@deltaq.org>            *
 * Derived from:                                                           *
 *                                                                         *
 *   JFlex 1.4                                                             *
 *   Copyright (C) 1998-2004  Gerwin Klein <lsf@jflex.de>                  *
 *   All rights reserved.                                                  *
 *                                                                         *
 * This program is free software; you can redistribute it and/or modify    *
 * it under the terms of the GNU General Public License. See the file      *
 * COPYRIGHT for more information.                                         *
 *                                                                         *
 * This program is distributed in the hope that it will be useful,         *
 * but WITHOUT ANY WARRANTY; without even the implied warranty of          *
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           *
 * GNU General Public License for more details.                            *
 *                                                                         *
 * You should have received a copy of the GNU General Public License along *
 * with this program; if not, write to the Free Software Foundation, Inc., *
 * 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA                 *
 *                                                                         *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

using System;
using System.IO;

namespace CSFlex
{
    /**
     * This Exception could be thrown while scanning the specification
     * (e.g. unmatched input)
     *
     * @author Gerwin Klein
     * @version JFlex 1.4, $Revision: 2.2 $, $Date: 2004/04/12 10:07:47 $
     * @author Jonathan Gilbert
     * @version CSFlex 1.4
     */
    public class ScannerException : RuntimeException
    {
        public int line;
        public int column;
        public ErrorMessages message;
        public File file;

        private ScannerException(
            File file,
            String text,
            ErrorMessages message,
            int line,
            int column
        )
            : base(text)
        {
            this.file = file;
            this.message = message;
            this.line = line;
            this.column = column;
        }

        /**
         * Creates a new ScannerException with a message only.
         *
         * @param message   the code for the error description presented to the user.
         */
        public ScannerException(ErrorMessages message)
            : this(null, ErrorMessages.get(message), message, -1, -1) { }

        /**
         * Creates a new ScannerException for a file with a message only.
         *
         * @param file      the file in which the error occured
         * @param message   the code for the error description presented to the user.
         */
        public ScannerException(File file, ErrorMessages message)
            : this(file, ErrorMessages.get(message), message, -1, -1) { }

        /**
         * Creates a new ScannerException with a message and line number.
         *
         * @param message   the code for the error description presented to the user.
         * @param line      the number of the line in the specification that
         *                  contains the error
         */
        public ScannerException(ErrorMessages message, int line)
            : this(null, ErrorMessages.get(message), message, line, -1) { }

        /**
         * Creates a new ScannerException for a file with a message and line number.
         *
         * @param message   the code for the error description presented to the user.
         * @param line      the number of the line in the specification that
         *                  contains the error
         */
        public ScannerException(File file, ErrorMessages message, int line)
            : this(file, ErrorMessages.get(message), message, line, -1) { }

        /**
         * Creates a new ScannerException with a message, line number and column.
         *
         * @param message   the code for the error description presented to the user.
         * @param line      the number of the line in the specification that
         *                  contains the error
         * @param column    the column where the error starts
         */
        public ScannerException(File file, ErrorMessages message, int line, int column)
            : this(file, ErrorMessages.get(message), message, line, column) { }
    }
}
