| /* |
| * 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.cpplite.debugger; |
| |
| import java.beans.PropertyChangeListener; |
| import java.beans.PropertyChangeSupport; |
| import java.util.AbstractList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.netbeans.api.annotations.common.CheckForNull; |
| import org.netbeans.api.debugger.Breakpoint; |
| import org.netbeans.modules.cnd.debugger.gdb2.mi.MIRecord; |
| import org.netbeans.modules.cnd.debugger.gdb2.mi.MIResult; |
| import org.netbeans.modules.cnd.debugger.gdb2.mi.MITList; |
| import org.netbeans.modules.cnd.debugger.gdb2.mi.MIValue; |
| import org.netbeans.modules.cpplite.debugger.debuggingview.DebuggingViewSupportImpl; |
| import org.netbeans.spi.debugger.ui.DebuggingView; |
| import org.netbeans.spi.debugger.ui.DebuggingView.DVThread; |
| |
| import org.openide.util.Pair; |
| |
| public final class CPPThread implements DVThread { |
| |
| public enum Status { |
| CREATED, |
| RUNNING, |
| SUSPENDED, |
| EXITED |
| } |
| |
| private final CPPLiteDebugger debugger; |
| private final String id; |
| private volatile Pair<String, String> nameDetails; |
| private Status status; |
| private volatile CPPFrame topFrame; |
| private CPPFrame[] stack; |
| private final PropertyChangeSupport pcs = new PropertyChangeSupport(this); |
| |
| CPPThread(CPPLiteDebugger debugger, String id) { |
| this.debugger = debugger; |
| this.id = id; |
| this.status = Status.CREATED; |
| } |
| |
| String getId() { |
| return id; |
| } |
| |
| public Status getStatus() { |
| return status; |
| } |
| |
| void setTopFrame(CPPFrame frame) { |
| topFrame = frame; |
| } |
| |
| @CheckForNull |
| public CPPFrame getTopFrame() { |
| return topFrame; |
| } |
| |
| @Override |
| public String getName() { |
| return getNameDetails().first(); |
| } |
| |
| @CheckForNull |
| public String getDetails() { |
| return getNameDetails().second(); |
| } |
| |
| private Pair<String, String> getNameDetails() { |
| Pair<String, String> nd = this.nameDetails; |
| if (nd == null) { |
| synchronized (this) { |
| nd = this.nameDetails; |
| if (nd == null) { |
| if (status == Status.CREATED) { |
| return Pair.of(id, null); |
| } |
| MIRecord record; |
| try { |
| record = debugger.sendAndGet("-thread-info " + id, true); |
| } catch (InterruptedException ex) { |
| return null; |
| } |
| if (record.isError() || record.isEmpty()) { |
| this.nameDetails = nd = Pair.of(record.error(), null); |
| } else { |
| MITList infoList = (MITList) record.results().valueOf("threads").asList().get(0); |
| MIValue nameValue = infoList.valueOf("name"); |
| if (nameValue == null) { |
| nameValue = infoList.valueOf("target-id"); |
| } |
| MIValue detailsValue = infoList.valueOf("details"); |
| String name = nameValue.asConst().value(); |
| String details = detailsValue != null ? detailsValue.asConst().value() : null; |
| this.nameDetails = nd = Pair.of(name, details); |
| } |
| } |
| } |
| } |
| return nd; |
| } |
| |
| @Override |
| public boolean isSuspended() { |
| return Status.SUSPENDED == status; |
| } |
| |
| @Override |
| public void resume() { |
| if (isSuspended()) { |
| notifyRunning(); |
| debugger.send(new Command("-exec-continue --thread " + id)); |
| } |
| } |
| |
| @Override |
| public void suspend() { |
| if (!isSuspended()) { |
| debugger.send(new Command("-exec-interrupt --thread " + id)); |
| } |
| } |
| |
| @Override |
| public void makeCurrent() { |
| debugger.setCurrentThread(this); |
| } |
| |
| @Override |
| public int getFrameCount() { |
| CPPFrame[] stack = getStack(); |
| if (stack != null) { |
| return stack.length; |
| } else { |
| return 0; |
| } |
| } |
| |
| @Override |
| public List<DebuggingView.DVFrame> getFrames() { |
| CPPFrame[] stack = getStack(); |
| if (stack != null) { |
| return new FrameList(stack, 0, stack.length); |
| } else { |
| return Collections.emptyList(); |
| } |
| } |
| |
| @Override |
| public List<DebuggingView.DVFrame> getFrames(int from, int to) { |
| CPPFrame[] stack = getStack(); |
| if (stack != null) { |
| return new FrameList(stack, from, to); |
| } else { |
| return Collections.emptyList(); |
| } |
| } |
| |
| @Override |
| public DebuggingView.DVSupport getDVSupport() { |
| return debugger.getDVSupport(); |
| } |
| |
| @Override |
| public List<DVThread> getLockerThreads() { |
| return Collections.emptyList(); |
| } |
| |
| @Override |
| public void resumeBlockingThreads() { |
| } |
| |
| @Override |
| public Breakpoint getCurrentBreakpoint() { |
| return null; // TODO |
| } |
| |
| @Override |
| public boolean isInStep() { |
| return false; // TODO |
| } |
| |
| @Override |
| public void addPropertyChangeListener(PropertyChangeListener pcl) { |
| pcs.addPropertyChangeListener(pcl); |
| } |
| |
| @Override |
| public void removePropertyChangeListener(PropertyChangeListener pcl) { |
| pcs.removePropertyChangeListener(pcl); |
| } |
| |
| @CheckForNull |
| public synchronized CPPFrame[] getStack() { |
| if (this.status != Status.SUSPENDED) { |
| return null; |
| } |
| CPPFrame[] stack = this.stack; |
| if (stack == null) { |
| MIRecord record; |
| try { |
| record = debugger.sendAndGet("-stack-list-frames --thread " + id); |
| } catch (InterruptedException ex) { |
| return null; |
| } |
| MITList stackList = record.results().valueOf("stack").asList(); |
| int l = stackList.size(); |
| stack = new CPPFrame[l]; |
| int i = 0; |
| if (topFrame != null) { |
| stack[0] = topFrame; |
| i++; |
| } |
| for (; i < l; i++) { |
| stack[i] = new CPPFrame(this, (MITList) ((MIResult) stackList.get(i)).value()); |
| } |
| this.stack = stack; |
| } |
| return stack; |
| } |
| |
| CPPLiteDebugger getDebugger() { |
| return debugger; |
| } |
| |
| synchronized void notifyExited() { |
| status = Status.EXITED; |
| topFrame = null; |
| stack = null; |
| } |
| |
| void notifyStopped() { |
| synchronized (this) { |
| status = Status.SUSPENDED; |
| } |
| pcs.firePropertyChange(PROP_SUSPENDED, false, true); |
| ((DebuggingViewSupportImpl) debugger.getDVSupport()).doFirePropertyChange(DebuggingView.DVSupport.PROP_THREAD_SUSPENDED, null, this); |
| } |
| |
| void notifyRunning() { |
| synchronized (this) { |
| status = Status.RUNNING; |
| topFrame = null; |
| stack = null; |
| } |
| pcs.firePropertyChange(PROP_SUSPENDED, true, false); |
| ((DebuggingViewSupportImpl) debugger.getDVSupport()).doFirePropertyChange(DebuggingView.DVSupport.PROP_THREAD_RESUMED, null, this); |
| } |
| |
| private static final class FrameList extends AbstractList<DebuggingView.DVFrame> { |
| |
| private final CPPFrame[] array; |
| private final int from; |
| private final int to; |
| |
| FrameList(CPPFrame[] array, int from, int to) { |
| this.array = array; |
| this.from = from; |
| this.to = Math.min(to, array.length); |
| } |
| |
| @Override |
| public CPPFrame get(int index) { |
| return array[index + from]; |
| } |
| |
| @Override |
| public int size() { |
| return to - from; |
| } |
| |
| } |
| } |