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107 lines
3.7 KiB
107 lines
3.7 KiB
/* GlobalOptions Copyright (C) 1999 Jochen Hoenicke.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Id$
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*/
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package jode;
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import java.io.PrintWriter;
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import java.util.StringTokenizer;
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public class GlobalOptions {
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public final static String version = "@VERSION@";
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public final static String email = "jochen@gnu.org";
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public final static String copyright =
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"Jode (c) 1998,1999 Jochen Hoenicke <"+email+">";
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public final static String URL =
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"http://www.informatik.uni-oldenburg.de/~delwi/jode/jode.html";
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public static PrintWriter err = new PrintWriter(System.err, true);
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public static int verboseLevel = 0;
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public static int debuggingFlags = 0;
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public static final int DEBUG_BYTECODE = 0x001;
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public static final int DEBUG_VERIFIER = 0x002;
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public static final int DEBUG_TYPES = 0x004;
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public static final int DEBUG_FLOW = 0x008;
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public static final int DEBUG_INOUT = 0x010;
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public static final int DEBUG_ANALYZE = 0x020;
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public static final int DEBUG_LVT = 0x040;
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public static final int DEBUG_CHECK = 0x080;
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public static final int DEBUG_LOCALS = 0x100;
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public static final int DEBUG_CONSTRS = 0x200;
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public static final int DEBUG_INTERPRT = 0x400;
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public static final String[] debuggingNames = {
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"bytecode", "verifier", "types", "flow",
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"inout", "analyze", "lvt", "check", "locals",
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"constructors", "interpreter"
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};
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public static void usageDebugging() {
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err.println("Debugging option: --debug=flag1,flag2,...");
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err.println("possible flags:");
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err.println(" bytecode " +
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"show bytecode, as it is read from class file.");
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err.println(" verifier " +
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"show result of bytecode verification.");
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err.println(" types " +
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"show type intersections");
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err.println(" flow " +
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"show flow block merging.");
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err.println(" analyze " +
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"show T1/T2 analyzation of flow blocks.");
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err.println(" inout " +
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"show in/out set analysis.");
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err.println(" lvt " +
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"dump LocalVariableTable.");
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err.println(" check " +
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"do time consuming sanity checks.");
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err.println(" locals " +
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"dump local merging information.");
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err.println(" constructors " +
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"dump constructor simplification.");
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err.println(" interpreter " +
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"debug execution of interpreter.");
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System.exit(0);
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}
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/**
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* Parse the argument given to the debugging flag.
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* @return true, if the argument parsed without problems.
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*/
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public static boolean setDebugging(String debuggingString) {
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if (debuggingString.length() == 0 || debuggingString.equals("help")) {
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usageDebugging();
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return false;
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}
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StringTokenizer st = new StringTokenizer(debuggingString, ",");
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next_token:
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while (st.hasMoreTokens()) {
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String token = st.nextToken().intern();
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for (int i=0; i<debuggingNames.length; i++) {
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if (token == debuggingNames[i]) {
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debuggingFlags |= 1 << i;
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continue next_token;
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}
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}
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err.println("Illegal debugging flag: "+token);
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return false;
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}
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return true;
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}
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}
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