bug fix in blockInitializers (now uses StructuredBlocks) Makefile optimized git-svn-id: https://svn.code.sf.net/p/jode/code/trunk@1217 379699f6-c40d-0410-875b-85095c16579ebranch_1_1
jochen
25 years ago
parent
c24a2b7133
commit
9ce95e120a
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/* Decompiler Copyright (C) 2000 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.decompiler; |
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import jode.GlobalOptions; |
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import jode.bytecode.SearchPath; |
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import jode.bytecode.ClassInfo; |
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import java.io.File; |
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import java.io.PrintWriter; |
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import java.io.Writer; |
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import java.io.BufferedWriter; |
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/** |
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* This is the interface that other java classes may use to decompile |
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* classes. Feel free to use it in your own GNU GPL'ed project. |
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* Please tell me about your project.<br> |
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* |
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* Note that the GNU GPL doesn't allow you to use this interface in |
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* commercial programs. |
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* |
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* @author <a href="mailto:jochen@gnu.org">Jochen Hoenicke</a> |
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* @version 1.0 |
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*/ |
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public class Decompiler { |
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private SearchPath searchPath = null; |
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private int importPackageLimit = ImportHandler.DEFAULT_PACKAGE_LIMIT; |
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private int importClassLimit = ImportHandler.DEFAULT_CLASS_LIMIT; |
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/** |
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* We need a different pathSeparatorChar, since ':' (used for most |
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* UNIX System) is used a protocol separator in URLs. |
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* |
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* We currently allow both pathSeparatorChar and |
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* altPathSeparatorChar and decide if it is a protocol separator |
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* by context. |
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*/ |
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public static final char altPathSeparatorChar |
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= SearchPath.altPathSeparatorChar; |
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/** |
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* Create a new decompiler. |
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*/ |
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public Decompiler() { |
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} |
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/** |
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* Sets the class path. Should be called once before decompile is |
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* called, otherwise the system class path is used. |
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* @param classpath A comma separated classpath. |
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* @exception NullPointerException if classpath is null. |
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* @see #setClassPath(String[]) |
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*/ |
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public void setClassPath(String classpath) { |
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searchPath = new SearchPath(classpath); |
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} |
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/** |
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* Set the class path. Should be called once before decompile is |
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* called, otherwise the system class path is used. |
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* @param classpath a non empty array of jar files and directories; |
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* URLs are allowed, too. |
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* @exception NullPointerException if classpath is null. |
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* @exception IndexOutOfBoundsException if classpath array is empty. |
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* @see #setClassPath(String) |
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*/ |
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public void setClassPath(String[] classpath) { |
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StringBuffer sb = new StringBuffer(classpath[0]); |
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for (int i = 1; i < classpath.length; i++) |
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sb.append(altPathSeparatorChar).append(classpath[i]); |
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searchPath = new SearchPath(sb.toString()); |
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} |
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private static final String[] optionStrings = { |
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"lvt", "inner", "anonymous", "push", "pretty", "decrypt", |
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"onetime", "immediate", "verify", "contrafo" |
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}; |
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/** |
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* Set an option. |
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* @param option the option (pretty, style, decrypt, verify, etc.) |
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* @param value ("1"/"0" for on/off, "sun"/"gnu" for style) |
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* @exception IllegalArgumentException if option or value is invalid. |
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*/ |
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public void setOption(String option, String value) { |
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if (option.equals("style")) { |
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if (value.equals("gnu")) |
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Options.outputStyle = Options.GNU_STYLE; |
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else if (value.equals("sun")) |
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Options.outputStyle = Options.SUN_STYLE; |
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else |
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throw new IllegalArgumentException("Invalid style "+value); |
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return; |
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} |
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if (option.equals("import")) { |
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int comma = value.indexOf(','); |
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int packLimit = Integer.parseInt(value.substring(0, comma)); |
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if (packLimit == 0) |
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packLimit = Integer.MAX_VALUE; |
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int clazzLimit = Integer.parseInt(value.substring(comma+1)); |
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if (clazzLimit == 0) |
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clazzLimit = Integer.MAX_VALUE; |
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if (clazzLimit < 0 || packLimit < 0) |
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throw new IllegalArgumentException |
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("Option import doesn't allow negative parameters"); |
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importPackageLimit = packLimit; |
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importClassLimit = clazzLimit; |
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return; |
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} |
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if (option.equals("verbose")) { |
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GlobalOptions.verboseLevel = Integer.parseInt(value); |
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return; |
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} |
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for (int i=0; i < optionStrings.length; i++) { |
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if (option.equals(optionStrings[i])) { |
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if (value.equals("0") |
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|| value.equals("off") |
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|| value.equals("no")) |
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Options.options &= ~(1 << i); |
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else if (value.equals("1") |
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|| value.equals("on") |
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|| value.equals("yes")) |
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Options.options &= ~(1 << i); |
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else |
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throw new IllegalArgumentException("Illegal value for "+ |
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option); |
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return; |
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} |
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} |
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throw new IllegalArgumentException("Illegal option: "+option); |
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} |
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/** |
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* Set the stream where copyright and warnings/errors are printed |
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* to. |
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* @param errorStream the error stream. Note that this is a |
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* PrintWriter, not a PrintStream (which are deprecated since 1.1). |
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*/ |
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public void setErr(PrintWriter errorStream) { |
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GlobalOptions.err = errorStream; |
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} |
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/** |
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* Decompile a class. |
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* @param className full-qualified classname, dot separated, e.g. |
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* "java.lang.Object" |
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* @param writer The stream where the decompiled code should be |
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* written. Hint: Use a BufferedWriter for good performance. |
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* @param progress A progress listener (see below). Null if you |
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* don't need information about progress. |
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* @exception IllegalArgumentException if className isn't correct. |
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* @exception jode.jvm.VerifyException The code |
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* isn't valid or a dependent class, needed for type |
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* guessing, couldn't be found. |
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* @exception IOException if writer throws an exception. |
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* @exception RuntimeException If jode has a bug ;-) |
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*/ |
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public void decompile(String className, Writer writer, |
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ProgressListener progress) |
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throws java.io.IOException { |
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if (searchPath == null) { |
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String classPath = System.getProperty("java.class.path") |
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.replace(File.pathSeparatorChar, altPathSeparatorChar); |
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searchPath = new SearchPath(classPath); |
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} |
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ClassInfo.setClassPath(searchPath); |
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ClassInfo clazz = ClassInfo.forName(className); |
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ImportHandler imports = new ImportHandler(importPackageLimit, |
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importClassLimit); |
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TabbedPrintWriter tabbedWriter = |
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new TabbedPrintWriter(writer, imports, false); |
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ClassAnalyzer clazzAna = new ClassAnalyzer(null, clazz, imports); |
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clazzAna.dumpJavaFile(tabbedWriter, progress); |
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writer.flush(); |
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} |
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} |
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@ -0,0 +1,44 @@ |
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/* ProgressListener Copyright (C) 2000 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.decompiler; |
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import jode.GlobalOptions; |
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import jode.bytecode.SearchPath; |
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import jode.bytecode.ClassInfo; |
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import java.io.File; |
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import java.io.PrintWriter; |
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import java.io.Writer; |
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import java.io.BufferedWriter; |
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/** |
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* This interface is used by jode to tell about its progress. You |
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* supply an instance of this interface to the |
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* {@link Decompiler.decompile} method.<br> |
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* |
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* @author <a href="mailto:jochen@gnu.org">Jochen Hoenicke</a> |
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* @version 1.0 */ |
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public interface ProgressListener { |
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/** |
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* Gets called when jode makes some progress. |
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* @param progress A number between 0.0 and 1.0 |
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* @param detail |
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* The name of the currently decompiled method or class. |
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*/ |
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public void updateProgress(double progress, String detail); |
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} |
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