Examples with StepRequest com.sun.jdi.request.StepRequest used on opensource projects

Example 1 with StepRequest

use of com.sun.jdi.request.StepRequest in project intellij-community by JetBrains.

the class DebugProcessImpl method doStep.

/**
   *
   * @param suspendContext
   * @param stepThread
   * @param size the step size. One of {@link StepRequest#STEP_LINE} or {@link StepRequest#STEP_MIN}
   * @param depth
   * @param hint may be null
   */
protected void doStep(final SuspendContextImpl suspendContext, final ThreadReferenceProxyImpl stepThread, int size, int depth, RequestHint hint) {
    if (stepThread == null) {
        return;
    }
    try {
        final ThreadReference stepThreadReference = stepThread.getThreadReference();
        if (LOG.isDebugEnabled()) {
            LOG.debug("DO_STEP: creating step request for " + stepThreadReference);
        }
        deleteStepRequests(stepThreadReference);
        EventRequestManager requestManager = getVirtualMachineProxy().eventRequestManager();
        StepRequest stepRequest = requestManager.createStepRequest(stepThreadReference, size, depth);
        if (!(hint != null && hint.isIgnoreFilters())) /*&& depth == StepRequest.STEP_INTO*/
        {
            checkPositionNotFiltered(stepThread, filters -> filters.forEach(f -> stepRequest.addClassExclusionFilter(f.getPattern())));
        }
        // suspend policy to match the suspend policy of the context:
        // if all threads were suspended, then during stepping all the threads must be suspended
        // if only event thread were suspended, then only this particular thread must be suspended during stepping
        stepRequest.setSuspendPolicy(suspendContext.getSuspendPolicy() == EventRequest.SUSPEND_EVENT_THREAD ? EventRequest.SUSPEND_EVENT_THREAD : EventRequest.SUSPEND_ALL);
        if (hint != null) {
            //noinspection HardCodedStringLiteral
            stepRequest.putProperty("hint", hint);
        }
        stepRequest.enable();
    } catch (ObjectCollectedException ignored) {
    }
}

Example 2 with StepRequest

use of com.sun.jdi.request.StepRequest in project intellij-community by JetBrains.

the class DebugProcessImpl method deleteStepRequests.

void deleteStepRequests(@Nullable final ThreadReference stepThread) {
    EventRequestManager requestManager = getVirtualMachineProxy().eventRequestManager();
    List<StepRequest> stepRequests = requestManager.stepRequests();
    if (!stepRequests.isEmpty()) {
        final List<StepRequest> toDelete = new ArrayList<>(stepRequests.size());
        for (final StepRequest request : stepRequests) {
            ThreadReference threadReference = request.thread();
            // [jeka] on attempt to delete a request assigned to a thread with unknown status, a JDWP error occurs
            try {
                if (threadReference.status() != ThreadReference.THREAD_STATUS_UNKNOWN && (stepThread == null || stepThread.equals(threadReference))) {
                    toDelete.add(request);
                }
            } catch (IllegalThreadStateException e) {
                // undocumented by JDI: may be thrown when querying thread status
                LOG.info(e);
            } catch (ObjectCollectedException ignored) {
            }
        }
        requestManager.deleteEventRequests(toDelete);
    }
}

Example 3 with StepRequest

use of com.sun.jdi.request.StepRequest in project che by eclipse.

the class JavaDebugger method doStep.

private void doStep(int depth) throws DebuggerException {
    lock.lock();
    try {
        clearSteps();
        StepRequest request = getEventManager().createStepRequest(getCurrentThread(), StepRequest.STEP_LINE, depth);
        request.addCountFilter(1);
        request.enable();
        resume(newDto(ResumeActionDto.class));
    } finally {
        lock.unlock();
    }
}

Example 4 with StepRequest

use of com.sun.jdi.request.StepRequest in project kotlin by JetBrains.

the class DebuggerSteppingHelper method createStepRequest.

// copied from DebugProcessImpl.doStep
private static void createStepRequest(@NotNull SuspendContextImpl suspendContext, @Nullable ThreadReferenceProxyImpl stepThread, @NotNull EventRequestManager requestManager, int size, int depth) {
    if (stepThread == null) {
        return;
    }
    try {
        ThreadReference stepThreadReference = stepThread.getThreadReference();
        requestManager.deleteEventRequests(requestManager.stepRequests());
        StepRequest stepRequest = requestManager.createStepRequest(stepThreadReference, size, depth);
        List<ClassFilter> activeFilters = getActiveFilters();
        if (!activeFilters.isEmpty()) {
            String currentClassName = getCurrentClassName(stepThread);
            if (currentClassName == null || !DebuggerUtilsEx.isFiltered(currentClassName, activeFilters)) {
                // add class filters
                for (ClassFilter filter : activeFilters) {
                    stepRequest.addClassExclusionFilter(filter.getPattern());
                }
            }
        }
        // suspend policy to match the suspend policy of the context:
        // if all threads were suspended, then during stepping all the threads must be suspended
        // if only event thread were suspended, then only this particular thread must be suspended during stepping
        stepRequest.setSuspendPolicy(suspendContext.getSuspendPolicy() == EventRequest.SUSPEND_EVENT_THREAD ? EventRequest.SUSPEND_EVENT_THREAD : EventRequest.SUSPEND_ALL);
        stepRequest.enable();
    } catch (ObjectCollectedException ignored) {
    }
}