1 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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2 | * Copyright (C) 1998-2009 Gerwin Klein <[email protected]> *
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3 | * All rights reserved. *
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4 | * *
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5 | * This program is free software; you can redistribute it and/or modify *
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6 | * it under the terms of the GNU General Public License. See the file *
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7 | * COPYRIGHT for more information. *
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8 | * *
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9 | * This program is distributed in the hope that it will be useful, *
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10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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12 | * GNU General Public License for more details. *
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13 | * *
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14 | * You should have received a copy of the GNU General Public License along *
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15 | * with this program; if not, write to the Free Software Foundation, Inc., *
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16 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
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17 | * *
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18 | * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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19 |
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20 |
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21 | import java.io.*;
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22 |
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23 | %%
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24 |
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25 | %class BinaryLexer
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26 | %8bit
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27 |
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28 | %int
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29 |
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30 | %{
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31 | public static void main(String [] argv) {
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32 | for (int i = 0; i < argv.length; i++) {
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33 | try {
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34 | System.out.print("["+argv[i]+"] is ");
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35 | BinaryLexer l = new BinaryLexer(new StraightStreamReader(new FileInputStream(argv[i])));
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36 | l.yylex();
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37 | }
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38 | catch (Exception e) {
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39 | e.printStackTrace(System.out);
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40 | System.exit(1);
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41 | }
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42 | }
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43 | }
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44 | %}
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45 |
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46 | magic = \xCA \xFE \xBA \xBE
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47 |
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48 | %%
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49 |
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50 | {magic} [^]+ { System.out.println("a class file"); }
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51 |
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52 | [^]+ { System.out.println("not a class file"); }
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