@Override
public final void action() throws Exception {
if (LOG.isDebugEnabled()) {
LOG.debug("trying " + this);
}
final SuspendContextImpl suspendContext = getSuspendContext();
if (suspendContext == null) {
if (LOG.isDebugEnabled()) {
LOG.debug("skip processing - context is null " + this);
}
notifyCancelled();
return;
}
if (suspendContext.myInProgress) {
suspendContext.postponeCommand(this);
} else {
try {
if (!suspendContext.isResumed()) {
suspendContext.myInProgress = true;
contextAction(suspendContext);
} else {
notifyCancelled();
}
} finally {
suspendContext.myInProgress = false;
if (suspendContext.isResumed()) {
for (SuspendContextCommandImpl postponed = suspendContext.pollPostponedCommand();
postponed != null;
postponed = suspendContext.pollPostponedCommand()) {
postponed.notifyCancelled();
}
} else {
SuspendContextCommandImpl postponed = suspendContext.pollPostponedCommand();
if (postponed != null) {
final Stack<SuspendContextCommandImpl> stack = new Stack<>();
while (postponed != null) {
stack.push(postponed);
postponed = suspendContext.pollPostponedCommand();
}
final DebuggerManagerThreadImpl managerThread =
suspendContext.getDebugProcess().getManagerThread();
while (!stack.isEmpty()) {
managerThread.pushBack(stack.pop());
}
}
}
}
}
}
@Override
public void createRequest(@NotNull DebugProcessImpl debugProcess) {
DebuggerManagerThreadImpl.assertIsManagerThread();
// check is this breakpoint is enabled, vm reference is valid and there're no requests created
// yet
if (!isEnabled()
|| !debugProcess.isAttached()
|| isMuted(debugProcess)
|| !debugProcess.getRequestsManager().findRequests(this).isEmpty()) {
return;
}
if (!isValid()) {
return;
}
SourcePosition position = getSourcePosition();
if (position != null) {
createOrWaitPrepare(debugProcess, position);
} else {
LOG.error(
"Unable to create request for breakpoint with null position: "
+ getDisplayName()
+ " at "
+ myXBreakpoint.getSourcePosition());
}
updateUI();
}
public void initExecutionStacks(ThreadReferenceProxyImpl newThread) {
DebuggerManagerThreadImpl.assertIsManagerThread();
myThread = newThread;
if (newThread != null) {
myActiveExecutionStack = new JavaExecutionStack(newThread, myDebugProcess, true);
}
}
protected void commandCancelled() {
if (!DebuggerManagerThreadImpl.isManagerThread()) {
return;
}
// context thread is not suspended
final DebuggerContextImpl context = getDebuggerContext();
final SuspendContextImpl suspendContext = context.getSuspendContext();
if (suspendContext == null) {
return;
}
final ThreadReferenceProxyImpl threadToSelect = context.getThreadProxy();
if (threadToSelect == null) {
return;
}
if (!suspendContext.isResumed()) {
final SuspendContextImpl threadContext =
SuspendManagerUtil.getSuspendContextForThread(suspendContext, threadToSelect);
context
.getDebugProcess()
.getManagerThread()
.schedule(new RebuildFramesListCommand(context, threadContext));
refillThreadsCombo(threadToSelect);
}
}
public void redefineClasses(Map<ReferenceType, byte[]> map) {
DebuggerManagerThreadImpl.assertIsManagerThread();
try {
myVirtualMachine.redefineClasses(map);
} finally {
clearCaches();
}
}
public void threadGroupCreated(ThreadGroupReference threadGroupReference) {
DebuggerManagerThreadImpl.assertIsManagerThread();
if (!isJ2ME()) {
ThreadGroupReferenceProxyImpl proxy =
new ThreadGroupReferenceProxyImpl(this, threadGroupReference);
myThreadGroups.put(threadGroupReference, proxy);
}
}
static JavaValue create(
JavaValue parent,
@NotNull ValueDescriptorImpl valueDescriptor,
@NotNull EvaluationContextImpl evaluationContext,
NodeManagerImpl nodeManager,
boolean contextSet) {
DebuggerManagerThreadImpl.assertIsManagerThread();
return new JavaValue(parent, valueDescriptor, evaluationContext, nodeManager, contextSet);
}
@Nullable
@Contract("null -> null; !null -> !null")
public ThreadReferenceProxyImpl getThreadReferenceProxy(@Nullable ThreadReference thread) {
DebuggerManagerThreadImpl.assertIsManagerThread();
if (thread == null) {
return null;
}
return myAllThreads.computeIfAbsent(thread, t -> new ThreadReferenceProxyImpl(this, t));
}
@Override
public Value calcValue(EvaluationContextImpl evaluationContext) throws EvaluateException {
DebuggerManagerThreadImpl.assertIsManagerThread();
try {
return (myObject != null)
? myObject.getValue(myField)
: myField.declaringType().getValue(myField);
} catch (ObjectCollectedException ignored) {
throw EvaluateExceptionUtil.OBJECT_WAS_COLLECTED;
}
}
public void reBuild(final XValueNodeImpl node) {
DebuggerManagerThreadImpl.assertIsManagerThread();
myCurrentChildrenStart = 0;
node.getTree()
.getLaterInvocator()
.offer(
new Runnable() {
@Override
public void run() {
node.clearChildren();
computePresentation(node, XValuePlace.TREE);
}
});
}
public ThreadGroupReferenceProxyImpl getThreadGroupReferenceProxy(ThreadGroupReference group) {
DebuggerManagerThreadImpl.assertIsManagerThread();
if (group == null) {
return null;
}
ThreadGroupReferenceProxyImpl proxy = myThreadGroups.get(group);
if (proxy == null) {
if (!myIsJ2ME.isAvailable()) {
proxy = new ThreadGroupReferenceProxyImpl(this, group);
myThreadGroups.put(group, proxy);
}
}
return proxy;
}
public static List<Pair<Breakpoint, Event>> getEventDescriptors(
SuspendContextImpl suspendContext) {
DebuggerManagerThreadImpl.assertIsManagerThread();
if (suspendContext == null || suspendContext.getEventSet() == null) {
return Collections.emptyList();
}
final List<Pair<Breakpoint, Event>> eventDescriptors = new ArrayList<Pair<Breakpoint, Event>>();
final RequestManagerImpl requestManager = suspendContext.getDebugProcess().getRequestsManager();
for (final Event event : suspendContext.getEventSet()) {
Requestor requestor = requestManager.findRequestor(event.request());
if (requestor instanceof Breakpoint) {
eventDescriptors.add(new Pair<Breakpoint, Event>((Breakpoint) requestor, event));
}
}
return eventDescriptors;
}
@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);
}
DebuggerContextImpl getFrameDebuggerContext() {
DebuggerManagerThreadImpl.assertIsManagerThread();
DebuggerContextImpl context = myDebugProcess.getDebuggerContext();
if (context.getFrameProxy() != getStackFrameProxy()) {
SuspendContextImpl threadSuspendContext =
SuspendManagerUtil.getSuspendContextForThread(
context.getSuspendContext(), getStackFrameProxy().threadProxy());
context =
DebuggerContextImpl.createDebuggerContext(
myDebugProcess.mySession,
threadSuspendContext,
getStackFrameProxy().threadProxy(),
getStackFrameProxy());
context.setPositionCache(myDescriptor.getSourcePosition());
context.initCaches();
}
return context;
}
public void resume() {
DebuggerManagerThreadImpl.assertIsManagerThread();
if (myPausePressedCount > 0) {
myPausePressedCount--;
}
clearCaches();
LOG.debug("before resume VM");
try {
myVirtualMachine.resume();
} catch (InternalException e) {
// ok to ignore. Although documentation says it is safe to invoke resume() on running VM,
// sometimes this leads to com.sun.jdi.InternalException: Unexpected JDWP Error: 13
// (THREAD_NOT_SUSPENDED)
LOG.info(e);
}
LOG.debug("VM resumed");
// logThreads();
}
@Override
public void createRequest(@NotNull DebugProcessImpl debugProcess) {
DebuggerManagerThreadImpl.assertIsManagerThread();
// check is this breakpoint is enabled, vm reference is valid and there're no requests created
// yet
if (!isEnabled()
|| !debugProcess.isAttached()
|| isMuted(debugProcess)
|| !debugProcess.getRequestsManager().findRequests(this).isEmpty()) {
return;
}
if (!isValid()) {
return;
}
createOrWaitPrepare(debugProcess, getSourcePosition());
updateUI();
}
/** @return a list of all ThreadReferenceProxies */
public Collection<ThreadReferenceProxyImpl> allThreads() {
DebuggerManagerThreadImpl.assertIsManagerThread();
if (myAllThreadsDirty) {
myAllThreadsDirty = false;
final List<ThreadReference> currentThreads = myVirtualMachine.allThreads();
final Map<ThreadReference, ThreadReferenceProxyImpl> result = new HashMap<>();
for (final ThreadReference threadReference : currentThreads) {
ThreadReferenceProxyImpl proxy = myAllThreads.get(threadReference);
if (proxy == null) {
proxy = new ThreadReferenceProxyImpl(this, threadReference);
}
result.put(threadReference, proxy);
}
myAllThreads = result;
}
return myAllThreads.values();
}
protected void resume() {
assertNotResumed();
DebuggerManagerThreadImpl.assertIsManagerThread();
try {
if (!Patches.IBM_JDK_DISABLE_COLLECTION_BUG) {
for (ObjectReference objectReference : myKeptReferences) {
DebuggerUtilsEx.enableCollection(objectReference);
}
myKeptReferences.clear();
}
for (SuspendContextCommandImpl cmd = pollPostponedCommand();
cmd != null;
cmd = pollPostponedCommand()) {
cmd.notifyCancelled();
}
resumeImpl();
} finally {
myIsResumed = true;
}
}
public void createRequest(DebugProcessImpl debugProcess) {
DebuggerManagerThreadImpl.assertIsManagerThread();
if (!ENABLED
|| !debugProcess.isAttached()
|| debugProcess.areBreakpointsMuted()
|| !debugProcess.getRequestsManager().findRequests(this).isEmpty()) {
return;
}
try {
RequestManagerImpl requestManager = debugProcess.getRequestsManager();
if (WATCH_ENTRY) {
MethodEntryRequest entryRequest =
(MethodEntryRequest) findRequest(debugProcess, MethodEntryRequest.class);
if (entryRequest == null) {
entryRequest = requestManager.createMethodEntryRequest(this);
} else {
entryRequest.disable();
}
entryRequest.addClassFilter(myClassPattern);
debugProcess.getRequestsManager().enableRequest(entryRequest);
}
if (WATCH_EXIT) {
MethodExitRequest exitRequest =
(MethodExitRequest) findRequest(debugProcess, MethodExitRequest.class);
if (exitRequest == null) {
exitRequest = requestManager.createMethodExitRequest(this);
} else {
exitRequest.disable();
}
exitRequest.addClassFilter(myClassPattern);
debugProcess.getRequestsManager().enableRequest(exitRequest);
}
} catch (Exception e) {
LOG.debug(e);
}
}
public void setRenderer(NodeRenderer nodeRenderer, final XValueNodeImpl node) {
DebuggerManagerThreadImpl.assertIsManagerThread();
myValueDescriptor.setRenderer(nodeRenderer);
reBuild(node);
}
@Override
public boolean isExpandable(
Value value, EvaluationContext evaluationContext, NodeDescriptor parentDescriptor) {
DebuggerManagerThreadImpl.assertIsManagerThread();
return valueExpandable(value);
}
public void threadStarted(ThreadReference thread) {
DebuggerManagerThreadImpl.assertIsManagerThread();
getThreadReferenceProxy(thread); // add a proxy
}
public void threadStopped(ThreadReference thread) {
DebuggerManagerThreadImpl.assertIsManagerThread();
myAllThreads.remove(thread);
}
public void suspend() {
DebuggerManagerThreadImpl.assertIsManagerThread();
myPausePressedCount++;
myVirtualMachine.suspend();
clearCaches();
}
@Override
public boolean isDebuggerManagerThread() {
return DebuggerManagerThreadImpl.isManagerThread();
}
public void threadGroupRemoved(ThreadGroupReference threadGroupReference) {
DebuggerManagerThreadImpl.assertIsManagerThread();
myThreadGroups.remove(threadGroupReference);
}
public void contextAction() throws Exception {
final ThreadReferenceProxyImpl thread = myDebuggerContext.getThreadProxy();
try {
if (!getSuspendContext().getDebugProcess().getSuspendManager().isSuspended(thread)) {
DebuggerInvocationUtil.swingInvokeLater(
getProject(),
new Runnable() {
public void run() {
try {
myFramesListener.setEnabled(false);
synchronized (myFramesList) {
final DefaultListModel model = myFramesList.getModel();
model.clear();
model.addElement(
new Object() {
public String toString() {
return DebuggerBundle.message("frame.panel.frames.not.available");
}
});
myFramesList.setSelectedIndex(0);
}
} finally {
myFramesListener.setEnabled(true);
}
}
});
return;
}
} catch (ObjectCollectedException e) {
return;
}
List<StackFrameProxyImpl> frames;
try {
frames = thread.frames();
} catch (EvaluateException e) {
frames = Collections.emptyList();
}
final StackFrameProxyImpl contextFrame = myDebuggerContext.getFrameProxy();
final EvaluationContextImpl evaluationContext = myDebuggerContext.createEvaluationContext();
final DebuggerManagerThreadImpl managerThread =
myDebuggerContext.getDebugProcess().getManagerThread();
final MethodsTracker tracker = new MethodsTracker();
final int totalFramesCount = frames.size();
int index = 0;
final long timestamp = System.nanoTime();
for (StackFrameProxyImpl stackFrameProxy : frames) {
managerThread.schedule(
new AppendFrameCommand(
getSuspendContext(),
stackFrameProxy,
evaluationContext,
tracker,
index++,
stackFrameProxy.equals(contextFrame),
totalFramesCount,
timestamp));
}
}
public void reloadClasses(final Map<String, HotSwapFile> modifiedClasses) {
DebuggerManagerThreadImpl.assertIsManagerThread();
if (modifiedClasses == null || modifiedClasses.size() == 0) {
myProgress.addMessage(
myDebuggerSession,
MessageCategory.INFORMATION,
DebuggerBundle.message("status.hotswap.loaded.classes.up.to.date"));
return;
}
final DebugProcessImpl debugProcess = getDebugProcess();
final VirtualMachineProxyImpl virtualMachineProxy = debugProcess.getVirtualMachineProxy();
final Project project = debugProcess.getProject();
final BreakpointManager breakpointManager =
(DebuggerManagerEx.getInstanceEx(project)).getBreakpointManager();
breakpointManager.disableBreakpoints(debugProcess);
// virtualMachineProxy.suspend();
try {
RedefineProcessor redefineProcessor = new RedefineProcessor(virtualMachineProxy);
int processedEntriesCount = 0;
for (final Map.Entry<String, HotSwapFile> entry : modifiedClasses.entrySet()) {
// stop if process is finished already
if (debugProcess.isDetached() || debugProcess.isDetaching()) {
break;
}
if (redefineProcessor.getProcessedClassesCount() == 0 && myProgress.isCancelled()) {
// once at least one class has been actually reloaded, do not interrupt the whole process
break;
}
processedEntriesCount++;
final String qualifiedName = entry.getKey();
if (qualifiedName != null) {
myProgress.setText(qualifiedName);
myProgress.setFraction(processedEntriesCount / (double) modifiedClasses.size());
}
try {
redefineProcessor.processClass(qualifiedName, entry.getValue().file);
} catch (IOException e) {
reportProblem(qualifiedName, e);
}
}
if (redefineProcessor.getProcessedClassesCount() == 0 && myProgress.isCancelled()) {
// once at least one class has been actually reloaded, do not interrupt the whole process
return;
}
redefineProcessor.processPending();
myProgress.setFraction(1);
final int partiallyRedefinedClassesCount =
redefineProcessor.getPartiallyRedefinedClassesCount();
if (partiallyRedefinedClassesCount == 0) {
myProgress.addMessage(
myDebuggerSession,
MessageCategory.INFORMATION,
DebuggerBundle.message(
"status.classes.reloaded", redefineProcessor.getProcessedClassesCount()));
} else {
final String message =
DebuggerBundle.message(
"status.classes.not.all.versions.reloaded",
partiallyRedefinedClassesCount,
redefineProcessor.getProcessedClassesCount());
myProgress.addMessage(myDebuggerSession, MessageCategory.WARNING, message);
}
LOG.debug("classes reloaded");
} catch (Throwable e) {
processException(e);
}
debugProcess.getPositionManager().clearCache();
DebuggerContextImpl context = myDebuggerSession.getContextManager().getContext();
SuspendContextImpl suspendContext = context.getSuspendContext();
if (suspendContext != null) {
XExecutionStack stack = suspendContext.getActiveExecutionStack();
if (stack != null) {
((JavaExecutionStack) stack).initTopFrame();
}
}
final Semaphore waitSemaphore = new Semaphore();
waitSemaphore.down();
//noinspection SSBasedInspection
SwingUtilities.invokeLater(
() -> {
try {
if (!project.isDisposed()) {
breakpointManager.reloadBreakpoints();
debugProcess.getRequestsManager().clearWarnings();
if (LOG.isDebugEnabled()) {
LOG.debug("requests updated");
LOG.debug("time stamp set");
}
myDebuggerSession.refresh(false);
XDebugSession session = myDebuggerSession.getXDebugSession();
if (session != null) {
session.rebuildViews();
}
}
} catch (Throwable e) {
LOG.error(e);
} finally {
waitSemaphore.up();
}
});
waitSemaphore.waitFor();
if (!project.isDisposed()) {
try {
breakpointManager.enableBreakpoints(debugProcess);
} catch (Exception e) {
processException(e);
}
}
}
