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Code Issues Projects Releases Wiki Activity

improve jad command inner class search. #301

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pull/226/merge
hengyunabc 6 years ago
parent 50513fd459
commit d1aaf713bd
1 changed files with 4 additions and 29 deletions
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33
core/src/main/java/com/taobao/arthas/core/command/klass100/JadCommand.java
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@ -6,7 +6,6 @@ import com.taobao.arthas.core.shell.command.AnnotatedCommand;
import com.taobao.arthas.core.shell.command.CommandProcess;
import com.taobao.arthas.core.util.ClassUtils;
import com.taobao.arthas.core.util.Decompiler;
import com.taobao.arthas.core.util.FileUtils;
import com.taobao.arthas.core.util.LogUtil;
import com.taobao.arthas.core.util.SearchUtils;
import com.taobao.arthas.core.util.TypeRenderUtils;
@ -24,13 +23,9 @@ import com.taobao.text.ui.Element;
import com.taobao.text.ui.LabelElement;
import com.taobao.text.ui.TableElement;
import com.taobao.text.util.RenderUtil;
import org.benf.cfr.reader.Main;
import org.objectweb.asm.Type;
import java.io.File;
import java.io.IOException;
import java.lang.instrument.Instrumentation;
import java.nio.charset.Charset;
import java.util.*;
import java.util.regex.Pattern;
@ -38,6 +33,7 @@ import static com.taobao.text.ui.Element.label;
/**
* @author diecui1202 on 15/11/24.
* @author hengyunabc 2018-11-16
*/
@Name("jad")
@Summary("Decompile class")
@ -49,9 +45,6 @@ import static com.taobao.text.ui.Element.label;
public class JadCommand extends AnnotatedCommand {
private static final Logger logger = LogUtil.getArthasLogger();
private static Pattern pattern = Pattern.compile("(?m)^/\\*\\s*\\*/\\s*$" + System.getProperty("line.separator"));
private static final String OUTPUTOPTION = "--outputdir";
private static final String COMMENTS = "--comments";
private static final String DecompilePath = new File(LogUtil.LOGGER_FILE).getParent() + File.separator + "decompile";
private String classPattern;
private String methodName;
@ -95,8 +88,8 @@ public class JadCommand extends AnnotatedCommand {
} else if (matchedClasses.size() > 1) {
processMatches(process, matchedClasses);
} else { // matchedClasses size is 1
// find inner classes. TODO slow
Set<Class<?>> withInnerClasses = SearchUtils.searchClassOnly(inst, matchedClasses.iterator().next().getName() + "(?!.*\\$\\$Lambda\\$).*", true, code);
// find inner classes.
Set<Class<?>> withInnerClasses = SearchUtils.searchClassOnly(inst, matchedClasses.iterator().next().getName() + "$*", false, code);
if(withInnerClasses.isEmpty()) {
withInnerClasses = matchedClasses;
}
@ -119,8 +112,7 @@ public class JadCommand extends AnnotatedCommand {
Map<Class<?>, File> classFiles = transformer.getDumpResult();
File classFile = classFiles.get(c);
String source;
source = Decompiler.decompile(classFile.getAbsolutePath(), methodName);
String source = Decompiler.decompile(classFile.getAbsolutePath(), methodName);
if (source != null) {
source = pattern.matcher(source).replaceAll("");
} else {
@ -164,21 +156,4 @@ public class JadCommand extends AnnotatedCommand {
process.write("No class found for: " + classPattern + "\n");
}
public static void main(String[] args) {
String[] names = {
"com.taobao.container.web.arthas.mvc.AppInfoController",
"com.taobao.container.web.arthas.mvc.AppInfoController$1$$Lambda$19/381016128",
"com.taobao.container.web.arthas.mvc.AppInfoController$$Lambda$16/17741163",
"com.taobao.container.web.arthas.mvc.AppInfoController$1",
"com.taobao.container.web.arthas.mvc.AppInfoController$123",
"com.taobao.container.web.arthas.mvc.AppInfoController$A",
"com.taobao.container.web.arthas.mvc.AppInfoController$ABC"
};
String pattern = "com.taobao.container.web.arthas.mvc.AppInfoController" + "(?!.*\\$\\$Lambda\\$).*";
for(String name : names) {
System.out.println(name + " " + Pattern.matches(pattern, name));
}
}
}

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