| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.netbeans.modules.debugger.jpda.truffle; |
| |
| import com.sun.jdi.ClassNotLoadedException; |
| import com.sun.jdi.ClassObjectReference; |
| import com.sun.jdi.ClassType; |
| import com.sun.jdi.Field; |
| import com.sun.jdi.InvalidTypeException; |
| import java.beans.PropertyChangeEvent; |
| import java.beans.PropertyChangeListener; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| import org.netbeans.api.debugger.ActionsManager; |
| import org.netbeans.api.debugger.ActionsManagerListener; |
| import org.netbeans.api.debugger.LazyActionsManagerListener; |
| import org.netbeans.api.debugger.jpda.JPDADebugger; |
| import org.netbeans.modules.debugger.jpda.jdi.ClassNotPreparedExceptionWrapper; |
| import org.netbeans.modules.debugger.jpda.jdi.ClassObjectReferenceWrapper; |
| import org.netbeans.modules.debugger.jpda.jdi.InternalExceptionWrapper; |
| import org.netbeans.modules.debugger.jpda.jdi.ObjectCollectedExceptionWrapper; |
| import org.netbeans.modules.debugger.jpda.jdi.ReferenceTypeWrapper; |
| import org.netbeans.modules.debugger.jpda.jdi.VMDisconnectedExceptionWrapper; |
| import org.netbeans.spi.debugger.ContextProvider; |
| import org.openide.util.Exceptions; |
| |
| /** |
| * Handler of step into guest language from Java. |
| */ |
| @LazyActionsManagerListener.Registration(path="netbeans-JPDASession/Java") |
| public class StepIntoScriptHandler extends LazyActionsManagerListener implements PropertyChangeListener { |
| |
| private static final Logger LOG = Logger.getLogger(StepIntoScriptHandler.class.getCanonicalName()); |
| private static final String PROP_ACTION_TO_BE_RUN = "actionToBeRun"; // NOI18N |
| |
| private final JPDADebugger debugger; |
| private ClassType serviceClass; |
| private Field steppingField; |
| |
| public StepIntoScriptHandler(ContextProvider lookupProvider) { |
| debugger = lookupProvider.lookupFirst(null, JPDADebugger.class); |
| debugger.addPropertyChangeListener(JPDADebugger.PROP_CURRENT_CALL_STACK_FRAME, new CurrentSFTracker()); |
| } |
| |
| @Override |
| protected void destroy() { |
| LOG.fine("\nStepIntoJSHandler.destroy()"); |
| } |
| |
| @Override |
| public String[] getProperties() { |
| return new String[] { ActionsManagerListener.PROP_ACTION_PERFORMED, PROP_ACTION_TO_BE_RUN }; |
| } |
| |
| @Override |
| public void propertyChange(PropertyChangeEvent evt) { |
| if (PROP_ACTION_TO_BE_RUN.equals(evt.getPropertyName())) { |
| Object action = evt.getNewValue(); |
| // Just before Java's step into runs: |
| if (ActionsManager.ACTION_STEP_INTO.equals(action)) { |
| ClassObjectReference serviceClassRef = RemoteServices.getServiceClass(debugger); |
| LOG.log(Level.FINE, "StepIntoScriptHandler.actionToBeRun: {0}, serviceClassRef = {1}", new Object[]{action, serviceClassRef}); |
| if (serviceClassRef != null) { |
| try { |
| serviceClass = (ClassType) ClassObjectReferenceWrapper.reflectedType(serviceClassRef); |
| steppingField = ReferenceTypeWrapper.fieldByName(serviceClass, "steppingIntoTruffle"); |
| serviceClass.setValue(steppingField, serviceClass.virtualMachine().mirrorOf(1)); |
| RemoteServices.interruptServiceAccessThread(debugger); |
| LOG.fine("StepIntoScriptHandler: isSteppingInto set to true."); |
| } catch (ClassNotLoadedException | ClassNotPreparedExceptionWrapper | |
| InternalExceptionWrapper | InvalidTypeException | |
| ObjectCollectedExceptionWrapper ex) { |
| Exceptions.printStackTrace(ex); |
| } catch (VMDisconnectedExceptionWrapper ex) {} |
| } else { |
| // When the service is created, perform step into... |
| DebugManagerHandler.execStepInto(debugger, true); |
| } |
| } |
| } |
| } |
| |
| private class CurrentSFTracker implements PropertyChangeListener { |
| @Override |
| public void propertyChange(PropertyChangeEvent evt) { |
| if (evt.getNewValue() == null) { |
| // Ignore resume. |
| return ; |
| } |
| LOG.fine("Current frame changed>"); |
| if (steppingField != null) { |
| try { |
| serviceClass.setValue(steppingField, serviceClass.virtualMachine().mirrorOf(-1)); |
| steppingField = null; |
| RemoteServices.interruptServiceAccessThread(debugger); |
| LOG.fine("StepIntoScriptHandler: isSteppingInto set to false."); |
| } catch (InvalidTypeException | ClassNotLoadedException ex) { |
| Exceptions.printStackTrace(ex); |
| } |
| } else { |
| // Cancel step into when the service is created |
| DebugManagerHandler.execStepInto(debugger, false); |
| } |
| } |
| } |
| |
| } |