release of original PDA code base

5 files changed, 335 insertions, 0 deletions

diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/pda/adapters/AdapterFactory.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/pda/adapters/AdapterFactory.java
new file mode 100644
index 000000000..3e4153fd5
--- /dev/null
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/pda/adapters/AdapterFactory.java
@@ -0,0 +1,48 @@
+/*******************************************************************************
+ * Copyright (c) 2006, 2007 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials 
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *     Bjorn Freeman-Benson - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.debug.examples.ui.pda.adapters;
+
+import org.eclipse.core.runtime.IAdapterFactory;
+import org.eclipse.debug.examples.core.pda.model.PDADebugTarget;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IElementContentProvider;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelProxyFactory;
+
+
+/**
+ * 
+ * @since 3.2
+ *
+ */
+public class AdapterFactory implements IAdapterFactory {
+	
+	private static IElementContentProvider fgTargetAdapter = new PDADebugTargetContentProvider();
+	private static IModelProxyFactory fgFactory = new ModelProxyFactory();
+
+	public Object getAdapter(Object adaptableObject, Class adapterType) {
+		if (IElementContentProvider.class.equals(adapterType)) {
+			if (adaptableObject instanceof PDADebugTarget) {
+				return fgTargetAdapter;
+			}
+		}
+		if (IModelProxyFactory.class.equals(adapterType)) {
+			if (adaptableObject instanceof PDADebugTarget) {
+				return fgFactory;
+			}
+		}
+		return null;
+	}
+
+	public Class[] getAdapterList() {
+		return new Class[]{IElementContentProvider.class, IModelProxyFactory.class};
+	}
+
+}
diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/pda/adapters/ModelProxyFactory.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/pda/adapters/ModelProxyFactory.java
new file mode 100644
index 000000000..a8e5959f1
--- /dev/null
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/pda/adapters/ModelProxyFactory.java
@@ -0,0 +1,32 @@
+/*******************************************************************************
+ * Copyright (c) 2006, 2007 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.debug.examples.ui.pda.adapters;
+
+import org.eclipse.debug.core.model.IDebugTarget;
+import org.eclipse.debug.examples.core.pda.model.PDADebugTarget;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelProxy;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelProxyFactory;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext;
+import org.eclipse.debug.ui.IDebugUIConstants;
+
+
+public class ModelProxyFactory implements IModelProxyFactory {
+
+	public IModelProxy createModelProxy(Object element, IPresentationContext context) {
+		if (IDebugUIConstants.ID_DEBUG_VIEW.equals(context.getId())) {
+			if (element instanceof PDADebugTarget){
+				return new PDADebugTargetProxy((IDebugTarget) element);
+			}
+		}
+		return null;
+	}
+
+}
diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/pda/adapters/PDADebugTargetContentProvider.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/pda/adapters/PDADebugTargetContentProvider.java
new file mode 100644
index 000000000..ab33ae4f2
--- /dev/null
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/pda/adapters/PDADebugTargetContentProvider.java
@@ -0,0 +1,70 @@
+/*******************************************************************************
+ * Copyright (c) 2005, 2007 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.debug.examples.ui.pda.adapters;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.debug.examples.core.pda.model.PDADebugTarget;
+import org.eclipse.debug.examples.core.pda.model.PDAThread;
+import org.eclipse.debug.internal.ui.model.elements.ElementContentProvider;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdate;
+import org.eclipse.debug.ui.IDebugUIConstants;
+
+
+public class PDADebugTargetContentProvider extends ElementContentProvider {
+
+
+    /* (non-Javadoc)
+     * @see org.eclipse.debug.internal.ui.model.elements.ElementContentProvider#getChildCount(java.lang.Object, org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext, org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdate)
+     */
+    protected int getChildCount(Object element, IPresentationContext context, IViewerUpdate monitor) throws CoreException {
+		PDAThread thread = ((PDADebugTarget) element).getThread();
+		if (thread != null) {
+			if (thread.hasStackFrames()) {
+				return thread.getStackFrames().length;
+			}
+		}
+		return 0;
+	}
+    
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.internal.ui.model.elements.ElementContentProvider#hasChildren(java.lang.Object, org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext, org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdate)
+	 */
+	protected boolean hasChildren(Object element, IPresentationContext context, IViewerUpdate monitor) throws CoreException {
+		PDAThread thread = ((PDADebugTarget) element).getThread();
+		if (thread != null) {
+			return thread.hasStackFrames();
+		}
+		return false;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.internal.ui.model.elements.ElementContentProvider#getChildren(java.lang.Object, int, int, org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext, org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdate)
+	 */
+	protected Object[] getChildren(Object parent, int index, int length, IPresentationContext context, IViewerUpdate monitor) throws CoreException {
+		if (context.getId().equals(IDebugUIConstants.ID_DEBUG_VIEW)) {
+			PDAThread thread = ((PDADebugTarget) parent).getThread();
+			if (thread != null) {
+				return getElements(thread.getStackFrames(), index, length);
+			}
+		}
+		return EMPTY;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.internal.ui.model.elements.ElementContentProvider#supportsContextId(java.lang.String)
+	 */
+	protected boolean supportsContextId(String id) {
+		return IDebugUIConstants.ID_DEBUG_VIEW.equals(id);
+	}
+
+}
diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/pda/adapters/PDADebugTargetProxy.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/pda/adapters/PDADebugTargetProxy.java
new file mode 100644
index 000000000..e905e12fe
--- /dev/null
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/pda/adapters/PDADebugTargetProxy.java
@@ -0,0 +1,38 @@
+/*******************************************************************************
+ * Copyright (c) 2006, 2007 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.debug.examples.ui.pda.adapters;
+
+import org.eclipse.debug.core.model.IDebugTarget;
+import org.eclipse.debug.internal.ui.viewers.update.DebugEventHandler;
+import org.eclipse.debug.internal.ui.viewers.update.DebugTargetEventHandler;
+import org.eclipse.debug.internal.ui.viewers.update.DebugTargetProxy;
+
+/**
+ * @since 3.2
+ *
+ */
+public class PDADebugTargetProxy extends DebugTargetProxy {
+
+	/**
+	 * @param target
+	 */
+	public PDADebugTargetProxy(IDebugTarget target) {
+		super(target);
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.internal.ui.viewers.update.DebugTargetProxy#createEventHandlers()
+	 */
+	protected DebugEventHandler[] createEventHandlers() {
+		return new DebugEventHandler[] { new DebugTargetEventHandler(this), new PDAThreadEventHandler(this) };
+	}
+
+}
diff --git a/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/pda/adapters/PDAThreadEventHandler.java b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/pda/adapters/PDAThreadEventHandler.java
new file mode 100644
index 000000000..2af58c7e6
--- /dev/null
+++ b/org.eclipse.debug.examples.ui/src/org/eclipse/debug/examples/ui/pda/adapters/PDAThreadEventHandler.java
@@ -0,0 +1,147 @@
+/*******************************************************************************
+ * Copyright (c) 2005, 2007 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.debug.examples.ui.pda.adapters;
+
+import org.eclipse.debug.core.DebugEvent;
+import org.eclipse.debug.core.DebugException;
+import org.eclipse.debug.core.DebugPlugin;
+import org.eclipse.debug.core.ILaunch;
+import org.eclipse.debug.core.ILaunchManager;
+import org.eclipse.debug.core.model.IDebugTarget;
+import org.eclipse.debug.core.model.IStackFrame;
+import org.eclipse.debug.core.model.IThread;
+import org.eclipse.debug.examples.core.pda.model.PDAThread;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDelta;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.ModelDelta;
+import org.eclipse.debug.internal.ui.viewers.provisional.AbstractModelProxy;
+import org.eclipse.debug.internal.ui.viewers.update.DebugEventHandler;
+
+
+/**
+ * @since 3.2
+ */
+public class PDAThreadEventHandler extends DebugEventHandler {
+	
+	private IStackFrame fPrev = null;
+	
+	/**
+	 * Constructs and event handler for a threads in the given viewer.
+	 * 
+	 * @param viewer
+	 */
+	public PDAThreadEventHandler(AbstractModelProxy proxy) {
+		super(proxy);
+	}
+
+	protected void handleSuspend(DebugEvent event) {
+        IThread thread = (IThread) event.getSource();
+        int extras = IModelDelta.STATE;
+        if (event.getDetail() == DebugEvent.BREAKPOINT | event.getDetail() == DebugEvent.CLIENT_REQUEST) {
+            extras = IModelDelta.EXPAND;
+        }
+    	fireDeltaUpdatingTopFrame(thread, IModelDelta.NO_CHANGE | extras);
+	}
+	
+	private boolean isEqual(Object o1, Object o2) {
+		if (o1 == o2) {
+			return true;
+		}
+		if (o1 == null) {
+			return false;
+		}
+		return o1.equals(o2);
+	}
+
+	protected void handleResume(DebugEvent event) {
+		IThread thread = (IThread) event.getSource();
+		fireDeltaAndClearTopFrame(thread, IModelDelta.STATE | IModelDelta.CONTENT);
+	}
+
+	protected void handleCreate(DebugEvent event) {
+		fireDeltaAndClearTopFrame((IThread) event.getSource(), IModelDelta.ADDED);
+	}
+
+	protected void handleTerminate(DebugEvent event) {
+		fireDeltaAndClearTopFrame((IThread) event.getSource(), IModelDelta.REMOVED);
+	}
+
+	protected void handleChange(DebugEvent event) {
+		fireDeltaUpdatingTopFrame((IThread) event.getSource(), IModelDelta.STATE);
+	}
+
+	protected void handleLateSuspend(DebugEvent suspend, DebugEvent resume) {
+		IThread thread = (IThread) suspend.getSource();
+		fireDeltaUpdatingTopFrame(thread, IModelDelta.CONTENT | IModelDelta.EXPAND);
+	}
+
+	protected void handleSuspendTimeout(DebugEvent event) {
+		IThread thread = (IThread) event.getSource();
+		fireDeltaAndClearTopFrame(thread, IModelDelta.CONTENT);
+	}
+	
+	private ModelDelta buildRootDelta() {
+		return new ModelDelta(getLaunchManager(), IModelDelta.NO_CHANGE);
+	}
+
+	private ILaunchManager getLaunchManager() {
+		return DebugPlugin.getDefault().getLaunchManager();
+	}
+	
+	protected ModelDelta addTarget(ModelDelta delta, IThread thread) {
+		ILaunch launch = thread.getLaunch();
+		Object[] children = launch.getChildren();
+		delta = delta.addNode(launch, indexOf(getLaunchManager().getLaunches(), launch), IModelDelta.NO_CHANGE, children.length);
+		IDebugTarget debugTarget = thread.getDebugTarget();
+		int numFrames = -1;
+		try {
+			numFrames = thread.getStackFrames().length;
+		} catch (DebugException e) {
+		}
+		return delta.addNode(debugTarget, indexOf(children, debugTarget), IModelDelta.NO_CHANGE, numFrames);
+	}
+
+	private void fireDeltaAndClearTopFrame(IThread thread, int flags) {
+		ModelDelta delta = buildRootDelta();
+		ModelDelta node = addTarget(delta, thread);
+		synchronized (this) {
+			fPrev = null;
+		}
+		fireDelta(delta);
+	}
+	
+	private void fireDeltaUpdatingTopFrame(IThread thread, int flags) {
+		ModelDelta delta = buildRootDelta();
+		ModelDelta node = addTarget(delta, thread);
+		synchronized (this) {
+	    	IStackFrame prev = fPrev;
+	    	IStackFrame frame = null;
+			try {
+				 frame = thread.getTopStackFrame();
+			} catch (DebugException e) {
+			}
+	    	if (isEqual(frame, prev)) {
+	    		node.setFlags(flags);
+	    	} else {
+				node.setFlags(flags | IModelDelta.CONTENT);
+	    	}
+	    	if (frame != null) {
+	            node.addNode(frame, 0, IModelDelta.STATE | IModelDelta.SELECT, 0);
+	        }
+	    	fPrev = frame;
+		}
+    	fireDelta(delta);
+	}	
+	
+	protected boolean handlesEvent(DebugEvent event) {
+		return event.getSource() instanceof PDAThread;
+	}
+
+}