?? binary.flex
字號(hào):
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Copyright (C) 1998-2008 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 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */import java.io.*;%%%class BinaryLexer%8bit%int%{ public static void main(String [] argv) { for (int i = 0; i < argv.length; i++) { try { System.out.print("["+argv[i]+"] is "); BinaryLexer l = new BinaryLexer(new StraightStreamReader(new FileInputStream(argv[i]))); l.yylex(); } catch (Exception e) { e.printStackTrace(System.out); System.exit(1); } } }%}magic = \xCA \xFE \xBA \xBE%%{magic} [^]+ { System.out.println("a class file"); }[^]+ { System.out.println("not a class file"); }
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