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jode/jode/jode/Decompiler.java

119 lines
4.4 KiB

/*
* Decompiler (c) 1998 Jochen Hoenicke
*
* You may distribute under the terms of the GNU General Public License.
*
* IN NO EVENT SHALL JOCHEN HOENICKE BE LIABLE TO ANY PARTY FOR DIRECT,
* INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF
* THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF JOCHEN HOENICKE
* HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* JOCHEN HOENICKE SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS"
* BASIS, AND JOCHEN HOENICKE HAS NO OBLIGATION TO PROVIDE MAINTENANCE,
* SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* $Id$
*/
package jode;
import java.io.*;
public class Decompiler {
public final static String version = "0.99";
public final static String email = "jochen@gnu.org";
public final static String copyright =
"Jode Copyright 1998,1999 Jochen Hoenicke <"+email+">";
public static boolean isVerbose = false;
public static boolean isDebugging = false;
public static boolean isTypeDebugging = false;
public static boolean isFlowDebugging = false;
public static boolean debugInOut = false;
public static boolean debugAnalyze = false;
public static boolean showLVT = false;
public static boolean doChecks = false;
public static boolean prettyLocals = false;
public static boolean immediateOutput = false;
public static int importPackageLimit = 3;
public static int importClassLimit = 3;
public static void usage() {
System.err.println("Version: " + version);
System.err.println("use: jode [-v][--dest <destdir>]"
+"[--imm][--debug][--analyze][--flow]"
+"[--type][--inout][--lvt][--check]"
+"[--import <pkglimit> <clslimit>]"
+"[--cp <classpath>]"
+" class1 [class2 ...]");
}
public static void main(String[] params) {
int i;
String classPath = System.getProperty("java.class.path");
File destDir = null;
System.err.println(copyright);
for (i=0; i<params.length && params[i].startsWith("-"); i++) {
if (params[i].equals("-v"))
isVerbose = true;
else if (params[i].equals("--imm"))
immediateOutput = true;
else if (params[i].equals("--dest"))
destDir = new File(params[++i]);
else if (params[i].equals("--debug"))
isDebugging = true;
else if (params[i].equals("--type"))
isTypeDebugging = true;
else if (params[i].equals("--analyze"))
debugAnalyze = true;
else if (params[i].equals("--flow"))
isFlowDebugging = true;
else if (params[i].equals("--inout"))
debugInOut = true;
else if (params[i].equals("--lvt"))
showLVT = true;
else if (params[i].equals("--check"))
doChecks = true;
else if (params[i].equals("--pretty"))
prettyLocals = true;
else if (params[i].equals("--import")) {
importPackageLimit = Integer.parseInt(params[++i]);
importClassLimit = Integer.parseInt(params[++i]);
} else if (params[i].equals("--cp")) {
classPath = params[++i];
} else if (params[i].equals("--")) {
i++;
break;
} else {
if (!params[i].startsWith("-h"))
System.err.println("Unknown option: "+params[i]);
usage();
return;
}
}
if (i == params.length) {
usage();
return;
}
JodeEnvironment env = new JodeEnvironment(classPath);
TabbedPrintWriter writer = null;
if (destDir == null)
writer = new TabbedPrintWriter(System.out, " ");
for (; i< params.length; i++) {
try {
if (destDir != null) {
File file = new File
(destDir,
params[i].replace('.', File.separatorChar)+".java");
writer = new TabbedPrintWriter
(new FileOutputStream(file), " ");
}
env.doClass(params[i], writer);
} catch (IOException ex) {
System.out.println("Can't write source of "+params[i]+".");
System.out.println("Make sure that all directories exist.");
ex.printStackTrace();
}
}
}
}