protected static String calcLabel(ValueDescriptor descriptor) {
final ValueDescriptorImpl valueDescriptor = (ValueDescriptorImpl) descriptor;
final Value value = valueDescriptor.getValue();
if (value instanceof ObjectReference) {
if (value instanceof StringReference) {
return ((StringReference) value).value();
} else if (value instanceof ClassObjectReference) {
ReferenceType type = ((ClassObjectReference) value).reflectedType();
return (type != null) ? type.name() : "{...}";
} else {
final ObjectReference objRef = (ObjectReference) value;
final Type type = objRef.type();
if (type instanceof ClassType && ((ClassType) type).isEnum()) {
final String name = getEnumConstantName(objRef, (ClassType) type);
if (name != null) {
return name;
} else {
return type.name();
}
} else {
return "";
}
}
} else if (value == null) {
//noinspection HardCodedStringLiteral
return "null";
} else {
return DebuggerBundle.message("label.undefined");
}
}
public void exceptionEvent(ExceptionEvent event) {
ObjectReference or = event.exception();
ReferenceType rt = or.referenceType();
String exceptionName = rt.name();
// Field messageField = Throwable.class.getField("detailMessage");
Field messageField = rt.fieldByName("detailMessage");
// System.out.println("field " + messageField);
Value messageValue = or.getValue(messageField);
// System.out.println("mess val " + messageValue);
// "java.lang.ArrayIndexOutOfBoundsException"
int last = exceptionName.lastIndexOf('.');
String message = exceptionName.substring(last + 1);
if (messageValue != null) {
String messageStr = messageValue.toString();
if (messageStr.startsWith("\"")) {
messageStr = messageStr.substring(1, messageStr.length() - 1);
}
message += ": " + messageStr;
}
// System.out.println("mess type " + messageValue.type());
// StringReference messageReference = (StringReference) messageValue.type();
// First just report the exception and its placement
reportException(message, or, event.thread());
// Then try to pretty it up with a better message
handleCommonErrors(exceptionName, message, listener);
if (editor != null) {
editor.deactivateRun();
}
}
private void commandMethods(StringTokenizer t) throws NoSessionException {
if (!t.hasMoreTokens()) {
env.error("No class specified.");
return;
}
String idClass = t.nextToken();
ReferenceType cls = findClass(idClass);
if (cls != null) {
List<Method> methods = cls.allMethods();
OutputSink out = env.getOutputSink();
for (int i = 0; i < methods.size(); i++) {
Method method = methods.get(i);
out.print(method.declaringType().name() + " " + method.name() + "(");
Iterator<String> it = method.argumentTypeNames().iterator();
if (it.hasNext()) {
while (true) {
out.print(it.next());
if (!it.hasNext()) {
break;
}
out.print(", ");
}
}
out.println(")");
}
out.show();
} else {
// ### Should validate class name syntax.
env.failure("\"" + idClass + "\" is not a valid id or class name.");
}
}
static ReferenceType getReferenceTypeFromToken(String idToken) {
ReferenceType cls = null;
if (Character.isDigit(idToken.charAt(0))) {
cls = null;
} else if (idToken.startsWith("*.")) {
// This notation saves typing by letting the user omit leading
// package names. The first
// loaded class whose name matches this limited regular
// expression is selected.
idToken = idToken.substring(1);
for (ReferenceType type : Env.vm().allClasses()) {
if (type.name().endsWith(idToken)) {
cls = type;
break;
}
}
} else {
// It's a class name
List<ReferenceType> classes = Env.vm().classesByName(idToken);
if (classes.size() > 0) {
// TO DO: handle multiples
cls = classes.get(0);
}
}
return cls;
}
/** The 'refType' is known to match, return the EventRequest. */
EventRequest resolveEventRequest(ReferenceType refType) throws NoSuchFieldException {
Field field = refType.fieldByName(fieldId);
EventRequestManager em = refType.virtualMachine().eventRequestManager();
EventRequest wp = em.createAccessWatchpointRequest(field);
wp.setSuspendPolicy(suspendPolicy);
wp.enable();
return wp;
}
private void commandClasses() throws NoSessionException {
OutputSink out = env.getOutputSink();
// out.println("** classes list **");
for (ReferenceType refType : runtime.allClasses()) {
out.println(refType.name());
}
out.show();
}
/** Does the specified ReferenceType match this spec. */
@Override
public boolean matches(ReferenceType refType) {
if (isWild) {
return refType.name().endsWith(classId);
} else {
return refType.name().equals(classId);
}
}
public static String getLocationMethodQName(@NotNull Location location) {
StringBuilder res = new StringBuilder();
ReferenceType type = location.declaringType();
if (type != null) {
res.append(type.name()).append('.');
}
res.append(location.method().name());
return res.toString();
}
/** Return a description of an object. */
static String description(ObjectReference ref) {
ReferenceType clazz = ref.referenceType();
long id = ref.uniqueID();
if (clazz == null) {
return toHex(id);
} else {
return MessageOutput.format(
"object description and hex id", new Object[] {clazz.name(), toHex(id)});
}
}
@Override
public void addBreakpoint(Breakpoint breakpoint) throws DebuggerException {
final String className = breakpoint.getLocation().getTarget();
final int lineNumber = breakpoint.getLocation().getLineNumber();
List<ReferenceType> classes = vm.classesByName(className);
// it may mean that class doesn't loaded by a target JVM yet
if (classes.isEmpty()) {
deferBreakpoint(breakpoint);
throw new DebuggerException("Class not loaded");
}
ReferenceType clazz = classes.get(0);
List<com.sun.jdi.Location> locations;
try {
locations = clazz.locationsOfLine(lineNumber);
} catch (AbsentInformationException | ClassNotPreparedException e) {
throw new DebuggerException(e.getMessage(), e);
}
if (locations.isEmpty()) {
throw new DebuggerException("Line " + lineNumber + " not found in class " + className);
}
com.sun.jdi.Location location = locations.get(0);
if (location.method() == null) {
// Line is out of method.
throw new DebuggerException("Invalid line " + lineNumber + " in class " + className);
}
// Ignore new breakpoint if already have breakpoint at the same location.
EventRequestManager requestManager = getEventManager();
for (BreakpointRequest breakpointRequest : requestManager.breakpointRequests()) {
if (location.equals(breakpointRequest.location())) {
LOG.debug("Breakpoint at {} already set", location);
return;
}
}
try {
EventRequest breakPointRequest = requestManager.createBreakpointRequest(location);
breakPointRequest.setSuspendPolicy(EventRequest.SUSPEND_ALL);
String expression = breakpoint.getCondition();
if (!(expression == null || expression.isEmpty())) {
ExpressionParser parser = ExpressionParser.newInstance(expression);
breakPointRequest.putProperty(
"org.eclipse.che.ide.java.debug.condition.expression.parser", parser);
}
breakPointRequest.setEnabled(true);
} catch (NativeMethodException | IllegalThreadStateException | InvalidRequestStateException e) {
throw new DebuggerException(e.getMessage(), e);
}
debuggerCallback.onEvent(new BreakpointActivatedEventImpl(breakpoint));
LOG.debug("Add breakpoint: {}", location);
}
/**
* Associates breakpoint with class. Create requests for loaded class and registers callback for
* loading classes
*
* @param debugProcess the requesting process
*/
protected void createOrWaitPrepare(DebugProcessImpl debugProcess, String classToBeLoaded) {
debugProcess.getRequestsManager().callbackOnPrepareClasses(this, classToBeLoaded);
List list = debugProcess.getVirtualMachineProxy().classesByName(classToBeLoaded);
for (final Object aList : list) {
ReferenceType refType = (ReferenceType) aList;
if (refType.isPrepared()) {
processClassPrepare(debugProcess, refType);
}
}
}
protected void createOrWaitPrepare(
final DebugProcessImpl debugProcess, final SourcePosition classPosition) {
debugProcess.getRequestsManager().callbackOnPrepareClasses(this, classPosition);
List list = debugProcess.getPositionManager().getAllClasses(classPosition);
for (final Object aList : list) {
ReferenceType refType = (ReferenceType) aList;
if (refType.isPrepared()) {
processClassPrepare(debugProcess, refType);
}
}
}
/** ******** test assist ********* */
Method getMethod(String className, String methodName) {
List refs = vm().classesByName(className);
if (refs.size() != 1) {
failure("Test failure: " + refs.size() + " ReferenceTypes named: " + className);
return null;
}
ReferenceType refType = (ReferenceType) refs.get(0);
List meths = refType.methodsByName(methodName);
if (meths.size() != 1) {
failure("Test failure: " + meths.size() + " methods named: " + methodName);
return null;
}
return (Method) meths.get(0);
}
public List<ReferenceType> nestedTypes(ReferenceType refType) {
List<ReferenceType> nestedTypes = myNestedClassesCache.get(refType);
if (nestedTypes == null) {
List<ReferenceType> list = Collections.emptyList();
try {
list = refType.nestedTypes();
} catch (Throwable e) {
// sometimes some strange errors are thrown from JDI. Do not crash debugger because of this.
// Example:
// java.lang.StringIndexOutOfBoundsException: String index out of range: 487700285
// at java.lang.String.checkBounds(String.java:375)
// at java.lang.String.<init>(String.java:415)
// at com.sun.tools.jdi.PacketStream.readString(PacketStream.java:392)
// at
// com.sun.tools.jdi.JDWP$VirtualMachine$AllClassesWithGeneric$ClassInfo.<init>(JDWP.java:1644)
LOG.info(e);
}
if (!list.isEmpty()) {
final Set<ReferenceType> candidates = new HashSet<>();
final ClassLoaderReference outerLoader = refType.classLoader();
for (ReferenceType nested : list) {
try {
if (outerLoader == null
? nested.classLoader() == null
: outerLoader.equals(nested.classLoader())) {
candidates.add(nested);
}
} catch (ObjectCollectedException ignored) {
}
}
if (!candidates.isEmpty()) {
// keep only direct nested types
final Set<ReferenceType> nested2 = new HashSet<>();
for (final ReferenceType candidate : candidates) {
nested2.addAll(nestedTypes(candidate));
}
candidates.removeAll(nested2);
}
nestedTypes = candidates.isEmpty() ? Collections.emptyList() : new ArrayList<>(candidates);
} else {
nestedTypes = Collections.emptyList();
}
myNestedClassesCache.put(refType, nestedTypes);
}
return nestedTypes;
}
public static ReferenceType getSuperClass(
final String baseQualifiedName, ReferenceType checkedType) {
if (baseQualifiedName.equals(checkedType.name())) {
return checkedType;
}
if (checkedType instanceof ClassType) {
ClassType classType = (ClassType) checkedType;
ClassType superClassType = classType.superclass();
if (superClassType != null) {
ReferenceType superClass = getSuperClass(baseQualifiedName, superClassType);
if (superClass != null) {
return superClass;
}
}
List<InterfaceType> interfaces = classType.allInterfaces();
for (InterfaceType iface : interfaces) {
ReferenceType superClass = getSuperClass(baseQualifiedName, iface);
if (superClass != null) {
return superClass;
}
}
}
if (checkedType instanceof InterfaceType) {
List<InterfaceType> list = ((InterfaceType) checkedType).superinterfaces();
for (InterfaceType superInterface : list) {
ReferenceType superClass = getSuperClass(baseQualifiedName, superInterface);
if (superClass != null) {
return superClass;
}
}
}
return null;
}
@Override
public void buildChildren(
final Value value, final ChildrenBuilder builder, final EvaluationContext evaluationContext) {
DebuggerManagerThreadImpl.assertIsManagerThread();
final ValueDescriptorImpl parentDescriptor =
(ValueDescriptorImpl) builder.getParentDescriptor();
final NodeManager nodeManager = builder.getNodeManager();
final NodeDescriptorFactory nodeDescriptorFactory = builder.getDescriptorManager();
List<DebuggerTreeNode> children = new ArrayList<>();
if (value instanceof ObjectReference) {
final ObjectReference objRef = (ObjectReference) value;
final ReferenceType refType = objRef.referenceType();
// default ObjectReference processing
List<Field> fields = refType.allFields();
if (!fields.isEmpty()) {
Set<String> names = new HashSet<>();
for (Field field : fields) {
if (shouldDisplay(evaluationContext, objRef, field)) {
FieldDescriptor fieldDescriptor =
createFieldDescriptor(
parentDescriptor, nodeDescriptorFactory, objRef, field, evaluationContext);
String name = fieldDescriptor.getName();
if (names.contains(name)) {
fieldDescriptor.putUserData(FieldDescriptor.SHOW_DECLARING_TYPE, Boolean.TRUE);
} else {
names.add(name);
}
children.add(nodeManager.createNode(fieldDescriptor, evaluationContext));
}
}
if (children.isEmpty()) {
children.add(
nodeManager.createMessageNode(
DebuggerBundle.message("message.node.class.no.fields.to.display")));
} else if (XDebuggerSettingsManager.getInstance().getDataViewSettings().isSortValues()) {
children.sort(NodeManagerImpl.getNodeComparator());
}
} else {
children.add(
nodeManager.createMessageNode(MessageDescriptor.CLASS_HAS_NO_FIELDS.getLabel()));
}
}
builder.setChildren(children);
}
/** Does the specified ReferenceType match this spec. */
public boolean matches(ReferenceType refType) {
try {
if (refType.sourceName().equals(sourceName)) {
try {
refType.locationsOfLine(linenumber);
// if we don't throw an exception then it was found
return true;
} catch (AbsentInformationException exc) {
} catch (ObjectCollectedException exc) {
} catch (InvalidLineNumberException exc) {
// } catch(ClassNotPreparedException exc) {
// -- should not happen, so don't catch this ---
}
}
} catch (AbsentInformationException exc) {
// for sourceName(), fall through
}
return false;
}
public Method findMethodInClass(ReferenceType clazz, String methodName, List<String> argTypes) {
Method toReturn = null;
for (Method m : clazz.methodsByName(methodName)) {
if (m.argumentTypeNames().equals(argTypes)) {
toReturn = m;
break;
}
}
return toReturn;
}
@Override
protected boolean createRequest(JDXDebugTarget target, ReferenceType type) throws CoreException {
if (!type.name().equals(getTypeName()) || shouldSkipBreakpoint()) {
return false;
}
EventRequest entryRequest = createMethodEntryRequest(target, type);
EventRequest exitRequest = createMethodExitRequest(target, type);
registerRequest(entryRequest, target);
registerRequest(exitRequest, target);
return true;
}
/**
* Return a list of ReferenceType objects for all currently loaded classes and interfaces whose
* name matches the given pattern. The pattern syntax is open to some future revision, but
* currently consists of a fully-qualified class name in which the first component may optionally
* be a "*" character, designating an arbitrary prefix.
*/
public List findClassesMatchingPattern(String pattern) throws JDEException {
if (vm == null) return null;
List result = new ArrayList(); // ### Is default size OK?
if (pattern.startsWith("*.")) {
// Wildcard matches any leading package name.
pattern = pattern.substring(1);
List classes = vm.allClasses();
Iterator iter = classes.iterator();
while (iter.hasNext()) {
ReferenceType type = ((ReferenceType) iter.next());
if (type.name().endsWith(pattern)) {
result.add(type);
}
}
return result;
} else {
// It's a class name.
return vm.classesByName(pattern);
}
}
// TODO this is not sufficient only does method names not line locations
public Location resolveLocation(String location) {
DalvikUtils.LOGGER.warn("line locations not yet implemented!");
location = location.trim();
Location loc = null;
int endIdx = location.lastIndexOf(".");
if (endIdx != -1) {
String className = location.substring(0, endIdx);
ReferenceType cr = this.findClassType(className);
if (cr != null) {
for (Method m : cr.allMethods()) {
// TODO need to think on this comparison ...
if (m.toString().contains(location)) {
loc = m.location();
break;
}
}
}
}
return loc;
}
/**
* Determine the location at which to set the breakpoint using the given class type.
*
* @param clazz ClassType against which to resolve.
* @return Location at which to create breakpoint.
* @throws ResolveException if the location failed to resolve.
*/
protected Location resolveLocation(ClassType clazz) throws ResolveException {
List locs = null;
try {
locs = clazz.locationsOfLine(lineNumber);
if (locs.isEmpty()) {
List inners = clazz.nestedTypes();
Iterator iter = inners.iterator();
while (iter.hasNext() && locs.isEmpty()) {
ReferenceType type = (ReferenceType) iter.next();
locs = type.locationsOfLine(lineNumber);
}
if (locs.isEmpty()) {
throw new ResolveException(new LineNotFoundException());
}
}
} catch (AbsentInformationException aie) {
throw new ResolveException(aie);
}
// We assume the first location for this line is good enough.
return (Location) locs.get(0);
}
/** Get source object associated with a class or interface. Returns null if not available. */
public SourceModel sourceForClass(ReferenceType refType) {
SourceModel sm = classToSource.get(refType);
if (sm != null) {
return sm;
}
try {
String filename = refType.sourceName();
String refName = refType.name();
int iDot = refName.lastIndexOf('.');
String pkgName = (iDot >= 0) ? refName.substring(0, iDot + 1) : "";
String full = pkgName.replace('.', File.separatorChar) + filename;
File path = sourcePath.resolve(full);
if (path != null) {
sm = sourceForFile(path);
classToSource.put(refType, sm);
return sm;
}
return null;
} catch (AbsentInformationException e) {
return null;
}
}
private void dump(
OutputSink out, ObjectReference obj, ReferenceType refType, ReferenceType refTypeBase) {
for (Field field : refType.fields()) {
out.print(" ");
if (!refType.equals(refTypeBase)) {
out.print(refType.name() + ".");
}
out.print(field.name() + ": ");
Object o = obj.getValue(field);
out.println((o == null) ? "null" : o.toString()); // Bug ID 4374471
}
if (refType instanceof ClassType) {
ClassType sup = ((ClassType) refType).superclass();
if (sup != null) {
dump(out, obj, sup, refTypeBase);
}
} else if (refType instanceof InterfaceType) {
for (InterfaceType sup : ((InterfaceType) refType).superinterfaces()) {
dump(out, obj, sup, refTypeBase);
}
}
}
@Override
protected void createRequestForPreparedClass(
DebugVMEventsProcessor debugProcess, final ReferenceType classType) {
RequestManager requestManager = debugProcess.getRequestManager();
try {
int lineIndex = myLocation.getLineIndexInFile();
List<Location> locs = classType.locationsOfLine(lineIndex);
if (locs.size() > 0) {
for (final Location location : locs) {
BreakpointRequest request = requestManager.createBreakpointRequest(this, location);
requestManager.enableRequest(request);
}
} else {
// there's no executable code in this class
requestManager.setInvalid(this, "no executable code found");
String message =
"No locations of type "
+ classType.name()
+ " found at line "
+ myLocation.getLineIndexInFile();
LOG.warning(message);
}
} catch (ClassNotPreparedException ex) {
LOG.warning("ClassNotPreparedException: " + ex.getMessage());
// there's a chance to add a breakpoint when the class is prepared
} catch (ObjectCollectedException ex) {
LOG.warning("ObjectCollectedException: " + ex.getMessage());
// there's a chance to add a breakpoint when the class is prepared
} catch (InvalidLineNumberException ex) {
requestManager.setInvalid(this, "no executable code found");
LOG.warning("InvalidLineNumberException: " + ex.getMessage());
} catch (InternalException ex) {
LOG.error(ex);
} catch (Exception ex) {
LOG.error(ex);
}
}
/** Does the specified ReferenceType match this spec. */
public boolean matches(ReferenceType refType) {
String refName = refType.name().replace('$', '.');
String compName;
compName = refName;
if (anonymous) {
String anonymousBase = anonymousBaseName(refName);
if (anonymousBase != null) compName = anonymousBase;
else return false;
}
if (classId.startsWith("*")) {
return compName.endsWith(stem);
} else if (classId.endsWith("*")) {
return compName.startsWith(stem);
} else if (checkJavaLang
&& compName.startsWith("java.lang.")
&& compName.substring(10).equals(stem)) {
return true;
} else {
return compName.equals(transClassId);
}
}
private static boolean isAnonymousClass(ReferenceType classType) {
if (classType instanceof ClassType) {
return ourAnonymousPattern.matcher(classType.name()).matches();
}
return false;
}
private static List<ThreadState> buildThreadStates(VirtualMachineProxyImpl vmProxy) {
final List<ThreadReference> threads = vmProxy.getVirtualMachine().allThreads();
final List<ThreadState> result = new ArrayList<ThreadState>();
final Map<String, ThreadState> nameToThreadMap = new HashMap<String, ThreadState>();
final Map<String, String> waitingMap = new HashMap<String, String>(); // key 'waits_for' value
for (ThreadReference threadReference : threads) {
final StringBuilder buffer = new StringBuilder();
boolean hasEmptyStack = true;
final int threadStatus = threadReference.status();
if (threadStatus == ThreadReference.THREAD_STATUS_ZOMBIE) {
continue;
}
final String threadName = threadName(threadReference);
final ThreadState threadState =
new ThreadState(threadName, threadStatusToState(threadStatus));
nameToThreadMap.put(threadName, threadState);
result.add(threadState);
threadState.setJavaThreadState(threadStatusToJavaThreadState(threadStatus));
buffer.append("\"").append(threadName).append("\"");
ReferenceType referenceType = threadReference.referenceType();
if (referenceType != null) {
//noinspection HardCodedStringLiteral
Field daemon = referenceType.fieldByName("daemon");
if (daemon != null) {
Value value = threadReference.getValue(daemon);
if (value instanceof BooleanValue && ((BooleanValue) value).booleanValue()) {
buffer
.append(" ")
.append(DebuggerBundle.message("threads.export.attribute.label.daemon"));
threadState.setDaemon(true);
}
}
//noinspection HardCodedStringLiteral
Field priority = referenceType.fieldByName("priority");
if (priority != null) {
Value value = threadReference.getValue(priority);
if (value instanceof IntegerValue) {
buffer
.append(" ")
.append(
DebuggerBundle.message(
"threads.export.attribute.label.priority",
((IntegerValue) value).intValue()));
}
}
Field tid = referenceType.fieldByName("tid");
if (tid != null) {
Value value = threadReference.getValue(tid);
if (value instanceof LongValue) {
buffer
.append(" ")
.append(
DebuggerBundle.message(
"threads.export.attribute.label.tid",
Long.toHexString(((LongValue) value).longValue())));
buffer.append(" nid=NA");
}
}
}
// ThreadGroupReference groupReference = threadReference.threadGroup();
// if (groupReference != null) {
// buffer.append(", ").append(DebuggerBundle.message("threads.export.attribute.label.group",
// groupReference.name()));
// }
final String state = threadState.getState();
if (state != null) {
buffer.append(" ").append(state);
}
buffer.append("\n java.lang.Thread.State: ").append(threadState.getJavaThreadState());
try {
if (vmProxy.canGetOwnedMonitorInfo() && vmProxy.canGetMonitorInfo()) {
List<ObjectReference> list = threadReference.ownedMonitors();
for (ObjectReference reference : list) {
if (!vmProxy.canGetMonitorFrameInfo()) { // java 5 and earlier
buffer.append("\n\t ").append(renderLockedObject(reference));
}
final List<ThreadReference> waiting = reference.waitingThreads();
for (ThreadReference thread : waiting) {
final String waitingThreadName = threadName(thread);
waitingMap.put(waitingThreadName, threadName);
buffer
.append("\n\t ")
.append(
DebuggerBundle.message(
"threads.export.attribute.label.blocks.thread", waitingThreadName));
}
}
}
ObjectReference waitedMonitor =
vmProxy.canGetCurrentContendedMonitor()
? threadReference.currentContendedMonitor()
: null;
if (waitedMonitor != null) {
if (vmProxy.canGetMonitorInfo()) {
ThreadReference waitedMonitorOwner = waitedMonitor.owningThread();
if (waitedMonitorOwner != null) {
final String monitorOwningThreadName = threadName(waitedMonitorOwner);
waitingMap.put(threadName, monitorOwningThreadName);
buffer
.append("\n\t ")
.append(
DebuggerBundle.message(
"threads.export.attribute.label.waiting.for.thread",
monitorOwningThreadName,
renderObject(waitedMonitor)));
}
}
}
final List<StackFrame> frames = threadReference.frames();
hasEmptyStack = frames.size() == 0;
final TIntObjectHashMap<List<ObjectReference>> lockedAt =
new TIntObjectHashMap<List<ObjectReference>>();
if (vmProxy.canGetMonitorFrameInfo()) {
for (MonitorInfo info : threadReference.ownedMonitorsAndFrames()) {
final int stackDepth = info.stackDepth();
List<ObjectReference> monitors;
if ((monitors = lockedAt.get(stackDepth)) == null) {
lockedAt.put(stackDepth, monitors = new SmartList<ObjectReference>());
}
monitors.add(info.monitor());
}
}
for (int i = 0, framesSize = frames.size(); i < framesSize; i++) {
final StackFrame stackFrame = frames.get(i);
try {
final Location location = stackFrame.location();
buffer.append("\n\t ").append(renderLocation(location));
final List<ObjectReference> monitors = lockedAt.get(i);
if (monitors != null) {
for (ObjectReference monitor : monitors) {
buffer.append("\n\t - ").append(renderLockedObject(monitor));
}
}
} catch (InvalidStackFrameException e) {
buffer.append("\n\t Invalid stack frame: ").append(e.getMessage());
}
}
} catch (IncompatibleThreadStateException e) {
buffer
.append("\n\t ")
.append(DebuggerBundle.message("threads.export.attribute.error.incompatible.state"));
}
threadState.setStackTrace(buffer.toString(), hasEmptyStack);
ThreadDumpParser.inferThreadStateDetail(threadState);
}
for (String waiting : waitingMap.keySet()) {
final ThreadState waitingThread = nameToThreadMap.get(waiting);
final ThreadState awaitedThread = nameToThreadMap.get(waitingMap.get(waiting));
awaitedThread.addWaitingThread(waitingThread);
}
// detect simple deadlocks
for (ThreadState thread : result) {
for (ThreadState awaitingThread : thread.getAwaitingThreads()) {
if (awaitingThread.isAwaitedBy(thread)) {
thread.addDeadlockedThread(awaitingThread);
awaitingThread.addDeadlockedThread(thread);
}
}
}
ThreadDumpParser.sortThreads(result);
return result;
}
private void commandList(StringTokenizer t) throws NoSessionException {
ThreadReference current = context.getCurrentThread();
if (current == null) {
env.error("No thread specified.");
return;
}
Location loc;
try {
StackFrame frame = context.getCurrentFrame(current);
if (frame == null) {
env.failure("Thread has not yet begun execution.");
return;
}
loc = frame.location();
} catch (VMNotInterruptedException e) {
env.failure("Target VM must be in interrupted state.");
return;
}
SourceModel source = sourceManager.sourceForLocation(loc);
if (source == null) {
if (loc.method().isNative()) {
env.failure("Current method is native.");
return;
}
env.failure("No source available for " + Utils.locationString(loc) + ".");
return;
}
ReferenceType refType = loc.declaringType();
int lineno = loc.lineNumber();
if (t.hasMoreTokens()) {
String id = t.nextToken();
// See if token is a line number.
try {
lineno = Integer.valueOf(id).intValue();
} catch (NumberFormatException nfe) {
// It isn't -- see if it's a method name.
List<Method> meths = refType.methodsByName(id);
if (meths == null || meths.size() == 0) {
env.failure(
id + " is not a valid line number or " + "method name for class " + refType.name());
return;
} else if (meths.size() > 1) {
env.failure(id + " is an ambiguous method name in" + refType.name());
return;
}
loc = meths.get(0).location();
lineno = loc.lineNumber();
}
}
int startLine = (lineno > 4) ? lineno - 4 : 1;
int endLine = startLine + 9;
String sourceLine = source.sourceLine(lineno);
if (sourceLine == null) {
env.failure("" + lineno + " is an invalid line number for " + refType.name());
} else {
OutputSink out = env.getOutputSink();
for (int i = startLine; i <= endLine; i++) {
sourceLine = source.sourceLine(i);
if (sourceLine == null) {
break;
}
out.print(i);
out.print("\t");
if (i == lineno) {
out.print("=> ");
} else {
out.print(" ");
}
out.println(sourceLine);
}
out.show();
}
}
private static List<ThreadState> buildThreadStates(VirtualMachineProxyImpl vmProxy) {
final List<ThreadReference> threads = vmProxy.getVirtualMachine().allThreads();
final List<ThreadState> result = new ArrayList<ThreadState>();
final Map<String, ThreadState> nameToThreadMap = new HashMap<String, ThreadState>();
final Map<String, String> waitingMap = new HashMap<String, String>(); // key 'waits_for' value
for (ThreadReference threadReference : threads) {
final StringBuilder buffer = new StringBuilder();
boolean hasEmptyStack = true;
final String threadName = threadName(threadReference);
final int threadStatus = threadReference.status();
final ThreadState threadState =
new ThreadState(threadName, threadStatusToState(threadStatus));
nameToThreadMap.put(threadName, threadState);
result.add(threadState);
threadState.setJavaThreadState(threadStatusToJavaThreadState(threadStatus));
buffer.append(threadName);
ReferenceType referenceType = threadReference.referenceType();
if (referenceType != null) {
//noinspection HardCodedStringLiteral
Field daemon = referenceType.fieldByName("daemon");
if (daemon != null) {
Value value = threadReference.getValue(daemon);
if (value instanceof BooleanValue && ((BooleanValue) value).booleanValue()) {
buffer
.append(" ")
.append(DebuggerBundle.message("threads.export.attribute.label.daemon"));
}
}
//noinspection HardCodedStringLiteral
Field priority = referenceType.fieldByName("priority");
if (priority != null) {
Value value = threadReference.getValue(priority);
if (value instanceof IntegerValue) {
buffer
.append(", ")
.append(
DebuggerBundle.message(
"threads.export.attribute.label.priority",
((IntegerValue) value).intValue()));
}
}
}
ThreadGroupReference groupReference = threadReference.threadGroup();
if (groupReference != null) {
buffer
.append(", ")
.append(
DebuggerBundle.message(
"threads.export.attribute.label.group", groupReference.name()));
}
buffer
.append(", ")
.append(
DebuggerBundle.message(
"threads.export.attribute.label.status", threadState.getState()));
buffer.append("\n java.lang.Thread.State: ").append(threadState.getJavaThreadState());
try {
if (vmProxy.canGetOwnedMonitorInfo() && vmProxy.canGetMonitorInfo()) {
List<ObjectReference> list = threadReference.ownedMonitors();
for (ObjectReference reference : list) {
final List<ThreadReference> waiting = reference.waitingThreads();
for (ThreadReference thread : waiting) {
final String waitingThreadName = threadName(thread);
waitingMap.put(waitingThreadName, threadName);
buffer
.append("\n\t ")
.append(
DebuggerBundle.message(
"threads.export.attribute.label.blocks.thread", waitingThreadName));
}
}
}
ObjectReference waitedMonitor =
vmProxy.canGetCurrentContendedMonitor()
? threadReference.currentContendedMonitor()
: null;
if (waitedMonitor != null) {
if (vmProxy.canGetMonitorInfo()) {
ThreadReference waitedMonitorOwner = waitedMonitor.owningThread();
if (waitedMonitorOwner != null) {
final String monitorOwningThreadName = threadName(waitedMonitorOwner);
waitingMap.put(threadName, monitorOwningThreadName);
buffer
.append("\n\t ")
.append(
DebuggerBundle.message(
"threads.export.attribute.label.waiting.for.thread",
monitorOwningThreadName));
}
}
}
final List<StackFrame> frames = threadReference.frames();
hasEmptyStack = frames.size() == 0;
for (StackFrame stackFrame : frames) {
final Location location = stackFrame.location();
buffer.append("\n\t ").append(renderLocation(location));
}
} catch (IncompatibleThreadStateException e) {
buffer
.append("\n\t ")
.append(DebuggerBundle.message("threads.export.attribute.error.incompatible.state"));
}
threadState.setStackTrace(buffer.toString(), hasEmptyStack);
ThreadDumpParser.inferThreadStateDetail(threadState);
}
for (String waiting : waitingMap.keySet()) {
final ThreadState waitingThread = nameToThreadMap.get(waiting);
final ThreadState awaitedThread = nameToThreadMap.get(waitingMap.get(waiting));
awaitedThread.addWaitingThread(waitingThread);
}
// detect simple deadlocks
for (ThreadState thread : result) {
for (ThreadState awaitingThread : thread.getAwaitingThreads()) {
if (awaitingThread.isAwaitedBy(thread)) {
thread.addDeadlockedThread(awaitingThread);
awaitingThread.addDeadlockedThread(thread);
}
}
}
ThreadDumpParser.sortThreads(result);
return result;
}