Java Code Examples for com.sun.jdi.ObjectReference#getValue()
The following examples show how to use
com.sun.jdi.ObjectReference#getValue() .
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Example 1
| Source File: AWTGrabHandler.java From netbeans with Apache License 2.0 | 6 votes |
|
private void ungrabWindowFX(ClassType WindowClass, ObjectReference w, ThreadReference tr) throws Exception {
// javafx.stage.Window w
// w.focusGrabCounter
// while (focusGrabCounter-- > 0) {
// w.impl_getPeer().ungrabFocus(); OR: w.impl_peer.ungrabFocus();
// }
Field focusGrabCounterField = WindowClass.fieldByName("focusGrabCounter");
if (focusGrabCounterField == null) {
logger.info("Unable to release FX X grab, no focusGrabCounter field in "+w);
return ;
}
Value focusGrabCounterValue = w.getValue(focusGrabCounterField);
if (!(focusGrabCounterValue instanceof IntegerValue)) {
logger.info("Unable to release FX X grab, focusGrabCounter does not have an integer value in "+w);
return ;
}
int focusGrabCounter = ((IntegerValue) focusGrabCounterValue).intValue();
if (logger.isLoggable(Level.FINE)) {
logger.fine("Focus grab counter of "+w+" is: "+focusGrabCounter);
}
while (focusGrabCounter-- > 0) {
//Method impl_getPeerMethod = WindowClass.concreteMethodByName("impl_getPeer", "");
Field impl_peerField = WindowClass.fieldByName("impl_peer");
if (impl_peerField == null) {
logger.info("Unable to release FX X grab, no impl_peer field in "+w);
return ;
}
ObjectReference impl_peer = (ObjectReference) w.getValue(impl_peerField);
if (impl_peer == null) {
continue;
}
InterfaceType TKStageClass = (InterfaceType) w.virtualMachine().classesByName("com.sun.javafx.tk.TKStage").get(0);
Method ungrabFocusMethod = TKStageClass.methodsByName("ungrabFocus", "()V").get(0);
impl_peer.invokeMethod(tr, ungrabFocusMethod, Collections.<Value>emptyList(), ObjectReference.INVOKE_SINGLE_THREADED);
if (logger.isLoggable(Level.FINE)) {
logger.fine("FX Window "+w+" was successfully ungrabbed.");
}
}
}
Example 2
| Source File: DebugExecutionEnvironment.java From netbeans with Apache License 2.0 | 5 votes |
|
public boolean sendStopUserCode() throws IllegalStateException {
if (closed) {
return false;
}
vm.suspend();
try {
ObjectReference myRef = getAgentObjectReference();
OUTER:
for (ThreadReference thread : vm.allThreads()) {
// could also tag the thread (e.g. using name), to find it easier
AGENT: for (StackFrame frame : thread.frames()) {
if (REMOTE_AGENT_CLASS.equals(frame.location().declaringType().name())) {
String n = frame.location().method().name();
if (AGENT_INVOKE_METHOD.equals(n) || AGENT_VARVALUE_METHOD.equals(n)) {
ObjectReference thiz = frame.thisObject();
if (myRef != null && myRef != thiz) {
break AGENT;
}
if (((BooleanValue) thiz.getValue(thiz.referenceType().fieldByName("inClientCode"))).value()) {
thiz.setValue(thiz.referenceType().fieldByName("expectingStop"), vm.mirrorOf(true));
ObjectReference stopInstance = (ObjectReference) thiz.getValue(thiz.referenceType().fieldByName("stopException"));
vm.resume();
thread.stop(stopInstance);
thiz.setValue(thiz.referenceType().fieldByName("expectingStop"), vm.mirrorOf(false));
}
return true;
}
}
}
}
} catch (ClassNotLoadedException | IncompatibleThreadStateException | InvalidTypeException ex) {
throw new IllegalStateException(ex);
} finally {
vm.resume();
}
return false;
}
Example 3
| Source File: JavaLogicalStructure.java From java-debug with Eclipse Public License 1.0 | 5 votes |
|
private static Value getValueByField(ObjectReference thisObject, String fieldName, ThreadReference thread) {
Field targetField = thisObject.referenceType().fieldByName(fieldName);
if (targetField == null) {
return null;
}
return thisObject.getValue(targetField);
}
Example 4
| Source File: LaunchJDIAgent.java From netbeans with Apache License 2.0 | 4 votes |
|
/**
* Interrupts a running remote invoke by manipulating remote variables
* and sending a stop via JDI.
*
* @throws EngineTerminationException the execution engine has terminated
* @throws InternalException an internal problem occurred
*/
@Override
public void stop() throws ExecutionControl.EngineTerminationException, ExecutionControl.InternalException {
synchronized (STOP_LOCK) {
if (!userCodeRunning) {
return;
}
vm().suspend();
try {
OUTER:
for (ThreadReference thread : vm().allThreads()) {
// could also tag the thread (e.g. using name), to find it easier
for (StackFrame frame : thread.frames()) {
if (REMOTE_AGENT.equals(frame.location().declaringType().name()) &&
( "invoke".equals(frame.location().method().name())
|| "varValue".equals(frame.location().method().name()))) {
ObjectReference thiz = frame.thisObject();
com.sun.jdi.Field inClientCode = thiz.referenceType().fieldByName("inClientCode");
com.sun.jdi.Field expectingStop = thiz.referenceType().fieldByName("expectingStop");
com.sun.jdi.Field stopException = thiz.referenceType().fieldByName("stopException");
if (((BooleanValue) thiz.getValue(inClientCode)).value()) {
thiz.setValue(expectingStop, vm().mirrorOf(true));
ObjectReference stopInstance = (ObjectReference) thiz.getValue(stopException);
vm().resume();
debug("Attempting to stop the client code...\n");
thread.stop(stopInstance);
thiz.setValue(expectingStop, vm().mirrorOf(false));
}
break OUTER;
}
}
}
} catch (ClassNotLoadedException | IncompatibleThreadStateException | InvalidTypeException ex) {
throw new ExecutionControl.InternalException("Exception on remote stop: " + ex);
} finally {
vm().resume();
}
}
}
Example 5
| Source File: JdiDefaultExecutionControl.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
/**
* Interrupts a running remote invoke by manipulating remote variables
* and sending a stop via JDI.
*
* @throws EngineTerminationException the execution engine has terminated
* @throws InternalException an internal problem occurred
*/
@Override
public void stop() throws EngineTerminationException, InternalException {
synchronized (STOP_LOCK) {
if (!userCodeRunning) {
return;
}
vm().suspend();
try {
OUTER:
for (ThreadReference thread : vm().allThreads()) {
// could also tag the thread (e.g. using name), to find it easier
for (StackFrame frame : thread.frames()) {
if (remoteAgent.equals(frame.location().declaringType().name()) &&
( "invoke".equals(frame.location().method().name())
|| "varValue".equals(frame.location().method().name()))) {
ObjectReference thiz = frame.thisObject();
Field inClientCode = thiz.referenceType().fieldByName("inClientCode");
Field expectingStop = thiz.referenceType().fieldByName("expectingStop");
Field stopException = thiz.referenceType().fieldByName("stopException");
if (((BooleanValue) thiz.getValue(inClientCode)).value()) {
thiz.setValue(expectingStop, vm().mirrorOf(true));
ObjectReference stopInstance = (ObjectReference) thiz.getValue(stopException);
vm().resume();
debug("Attempting to stop the client code...\n");
thread.stop(stopInstance);
thiz.setValue(expectingStop, vm().mirrorOf(false));
}
break OUTER;
}
}
}
} catch (ClassNotLoadedException | IncompatibleThreadStateException | InvalidTypeException ex) {
throw new InternalException("Exception on remote stop: " + ex);
} finally {
vm().resume();
}
}
}
