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update bytekit Decompiler.java
This commit is contained in:
hengyunabc
parent
e6926f91f7
commit
4f15c1072f
@ -5,33 +5,16 @@ import java.io.IOException;
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import java.io.PrintWriter;
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import java.io.StringWriter;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.List;
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import org.apache.commons.io.FileUtils;
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import org.apache.commons.lang3.RandomStringUtils;
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import org.benf.cfr.reader.api.ClassFileSource;
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import org.benf.cfr.reader.bytecode.analysis.parse.utils.Pair;
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import org.benf.cfr.reader.entities.ClassFile;
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import org.benf.cfr.reader.entities.Method;
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import org.benf.cfr.reader.relationship.MemberNameResolver;
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import org.benf.cfr.reader.state.ClassFileSourceImpl;
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import org.benf.cfr.reader.state.DCCommonState;
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import org.benf.cfr.reader.state.TypeUsageCollector;
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import org.benf.cfr.reader.state.TypeUsageInformation;
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import org.benf.cfr.reader.util.AnalysisType;
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import org.benf.cfr.reader.util.CannotLoadClassException;
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import org.benf.cfr.reader.util.ConfusedCFRException;
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import org.benf.cfr.reader.util.ListFactory;
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import org.benf.cfr.reader.util.getopt.GetOptParser;
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import org.benf.cfr.reader.util.getopt.Options;
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import org.benf.cfr.reader.util.getopt.OptionsImpl;
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import org.benf.cfr.reader.util.output.Dumper;
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import org.benf.cfr.reader.util.output.DumperFactory;
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import org.benf.cfr.reader.util.output.DumperFactoryImpl;
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import org.benf.cfr.reader.util.output.IllegalIdentifierDump;
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import org.benf.cfr.reader.util.output.StreamDumper;
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import org.benf.cfr.reader.util.output.ToStringDumper;
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import org.benf.cfr.reader.api.CfrDriver;
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import org.benf.cfr.reader.api.OutputSinkFactory;
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import com.alibaba.arthas.deps.org.objectweb.asm.tree.AbstractInsnNode;
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import com.alibaba.arthas.deps.org.objectweb.asm.tree.ClassNode;
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import com.alibaba.arthas.deps.org.objectweb.asm.tree.InsnList;
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@ -41,6 +24,11 @@ import com.alibaba.arthas.deps.org.objectweb.asm.util.Textifier;
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import com.alibaba.arthas.deps.org.objectweb.asm.util.TraceClassVisitor;
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import com.alibaba.arthas.deps.org.objectweb.asm.util.TraceMethodVisitor;
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/**
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* TODO com.taobao.arthas.core.util.Decompiler
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* @author hengyunabc
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*
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*/
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public class Decompiler {
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public static String decompile(byte[] bytecode) throws IOException {
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@ -113,159 +101,52 @@ public class Decompiler {
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/**
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* @see org.benf.cfr.reader.Main#main(String[])
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* @param classFilePath
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* @param methodName
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* @return
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*/
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public static String decompile(String classFilePath, String methodName) {
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StringBuilder result = new StringBuilder(8192);
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final StringBuilder result = new StringBuilder(8192);
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List<String> argList = new ArrayList<String>();
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argList.add(classFilePath);
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OutputSinkFactory mySink = new OutputSinkFactory() {
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@Override
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public List<SinkClass> getSupportedSinks(SinkType sinkType, Collection<SinkClass> collection) {
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return Arrays.asList(SinkClass.STRING, SinkClass.DECOMPILED, SinkClass.DECOMPILED_MULTIVER,
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SinkClass.EXCEPTION_MESSAGE);
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}
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@Override
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public <T> Sink<T> getSink(final SinkType sinkType, SinkClass sinkClass) {
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return new Sink<T>() {
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@Override
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public void write(T sinkable) {
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// skip message like: Analysing type demo.MathGame
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if (sinkType == SinkType.PROGRESS) {
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return;
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}
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result.append(sinkable);
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}
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};
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}
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};
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HashMap<String, String> options = new HashMap<String, String>();
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/**
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* @see org.benf.cfr.reader.util.MiscConstants.Version.getVersion() Currently,
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* the cfr version is wrong. so disable show cfr version.
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*/
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options.put("showversion", "false");
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if (methodName != null) {
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argList.add("--methodname");
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argList.add(methodName);
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}
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String args[] = argList.toArray(new String[0]);
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GetOptParser getOptParser = new GetOptParser();
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Options options = null;
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List<String> files = null;
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try {
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Pair processedArgs = getOptParser.parse(args, OptionsImpl.getFactory());
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files = (List) processedArgs.getFirst();
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options = (Options) processedArgs.getSecond();
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} catch (Exception e) {
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getOptParser.showHelp(OptionsImpl.getFactory(), e);
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System.exit(1);
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options.put("methodname", methodName);
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}
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if ((options.optionIsSet(OptionsImpl.HELP)) || (files.isEmpty())) {
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getOptParser.showOptionHelp(OptionsImpl.getFactory(), options, OptionsImpl.HELP);
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return "";
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}
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CfrDriver driver = new CfrDriver.Builder().withOptions(options).withOutputSink(mySink).build();
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List<String> toAnalyse = new ArrayList<String>();
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toAnalyse.add(classFilePath);
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driver.analyse(toAnalyse);
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ClassFileSourceImpl classFileSource = new ClassFileSourceImpl(options);
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boolean skipInnerClass = (files.size() > 1)
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&& (((Boolean) options.getOption(OptionsImpl.SKIP_BATCH_INNER_CLASSES)).booleanValue());
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Collections.sort(files);
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for (String path : files) {
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classFileSource.clearConfiguration();
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DCCommonState dcCommonState = new DCCommonState(options, classFileSource);
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DumperFactory dumperFactory = new DumperFactoryImpl(options);
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path = classFileSource.adjustInputPath(path);
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AnalysisType type = (AnalysisType) options.getOption(OptionsImpl.ANALYSE_AS);
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if (type == null)
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type = dcCommonState.detectClsJar(path);
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if (type == AnalysisType.JAR) {
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// doJar(dcCommonState, path, dumperFactory);
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}
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if (type == AnalysisType.CLASS)
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result.append(doClass(dcCommonState, path, skipInnerClass, dumperFactory));
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}
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return result.toString();
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}
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public static String doClass(DCCommonState dcCommonState, String path, boolean skipInnerClass,
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DumperFactory dumperFactory) {
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StringBuilder result = new StringBuilder(8192);
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Options options = dcCommonState.getOptions();
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IllegalIdentifierDump illegalIdentifierDump = IllegalIdentifierDump.Factory.get(options);
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Dumper d = new ToStringDumper();
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try {
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ClassFile c = dcCommonState.getClassFileMaybePath(path);
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if ((skipInnerClass) && (c.isInnerClass()))
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return "";
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dcCommonState.configureWith(c);
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dumperFactory.getProgressDumper().analysingType(c.getClassType());
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try {
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c = dcCommonState.getClassFile(c.getClassType());
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} catch (CannotLoadClassException e) {
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}
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if (((Boolean) options.getOption(OptionsImpl.DECOMPILE_INNER_CLASSES)).booleanValue()) {
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c.loadInnerClasses(dcCommonState);
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}
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if (((Boolean) options.getOption(OptionsImpl.RENAME_DUP_MEMBERS)).booleanValue()) {
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MemberNameResolver.resolveNames(dcCommonState,
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ListFactory.newList(dcCommonState.getClassCache().getLoadedTypes()));
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}
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c.analyseTop(dcCommonState);
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TypeUsageCollector collectingDumper = new TypeUsageCollector(c);
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c.collectTypeUsages(collectingDumper);
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d = new StringDumper(collectingDumper.getTypeUsageInformation(), options, illegalIdentifierDump);
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// d = dumperFactory.getNewTopLevelDumper(c.getClassType(), summaryDumper,
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// collectingDumper.getTypeUsageInformation(), illegalIdentifierDump);
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String methname = (String) options.getOption(OptionsImpl.METHODNAME);
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if (methname == null)
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c.dump(d);
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else {
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try {
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for (Method method : c.getMethodByName(methname))
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method.dump(d, true);
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} catch (NoSuchMethodException e) {
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throw new IllegalArgumentException("No such method '" + methname + "'.");
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}
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}
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d.print("");
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result.append(d.toString());
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} catch (ConfusedCFRException e) {
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result.append(e.toString()).append("\n");
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for (Object x : e.getStackTrace())
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result.append(x).append("\n");
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} catch (CannotLoadClassException e) {
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result.append("Can't load the class specified:").append("\n");
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result.append(e.toString()).append("\n");
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} catch (RuntimeException e) {
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result.append(e.toString()).append("\n");
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for (Object x : e.getStackTrace())
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result.append(x).append("\n");
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} finally {
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if (d != null)
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d.close();
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}
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return result.toString();
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}
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public static class StringDumper extends StreamDumper {
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private StringWriter sw = new StringWriter();
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public StringDumper(TypeUsageInformation typeUsageInformation, Options options,
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IllegalIdentifierDump illegalIdentifierDump) {
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super(typeUsageInformation, options, illegalIdentifierDump);
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}
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public void addSummaryError(Method paramMethod, String paramString) {
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}
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public void close() {
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try {
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sw.close();
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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@Override
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protected void write(String source) {
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sw.write(source);
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}
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public String toString() {
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return sw.toString();
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}
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}
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}
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