Compiler Construction
               using Flex and Bison
                     Anthony A. Aaby
                       Walla Walla College
                         cs.wwc.edu
                        aabyan@wwc.edu
                     Version of February 25, 2004
                 Copyright 2003 Anthony A. Aaby
                 Walla Walla College
                 204 S. College Ave.
                 College Place, WA 99324
                 E-mail: aabyan@wwc.edu
                 LaTeX sources available by request.
                  This material may be distributed only subject to the terms and conditions
                 set forth in the Open Publication License, v1.0 or later (the latest version is
                 presently available at http://www.opencontent.org/openpub
                  This book is distributed in the hope it will be useful, but without any war-
                 ranty; without even the implied warranty of merchantability or fitness for a
                 particular purpose.
                  The author encourages wide distribution of this book for personal and com-
                 mercial use, provided the above copyright notice remains intact and the method
                 adheres to the provisions of the Open Publication Liscense located at
                 http://www.opencontent.org/openpub
                  In summary, you may copy and distribute this book free of charge or for a
                 profit. No explicit permission is required from the author for reproduction of
                 this book in any medium, physical or electronic.
                  Note, derivative works and translations of this document must include the
                 original copyright notice must remain intact.
                         To Pamela Aaby
                             i
                                  ii