/**********************************************************************
-Copyright (c) 2000, 2002 IBM Corp. and others.
-All rights reserved. This program and the accompanying materials
-are made available under the terms of the Common Public License v1.0
-which accompanies this distribution, and is available at
-http://www.eclipse.org/legal/cpl-v10.html
-
-Contributors:
- IBM Corporation - Initial implementation
- Vicente Fernando - www.alfersoft.com.ar
-**********************************************************************/
+ Copyright (c) 2000, 2002 IBM Corp. and others.
+ All rights reserved. This program and the accompanying materials
+ are made available under the terms of the Common Public License v1.0
+ which accompanies this distribution, and is available at
+ http://www.eclipse.org/legal/cpl-v10.html
+
+ Contributors:
+ IBM Corporation - Initial implementation
+ Vicente Fernando - www.alfersoft.com.ar
+ **********************************************************************/
package net.sourceforge.phpdt.internal.debug.core.model;
+import net.sourceforge.phpeclipse.PHPeclipsePlugin;
+
import org.eclipse.debug.core.DebugEvent;
import org.eclipse.debug.core.DebugException;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.model.IDebugTarget;
import org.eclipse.debug.core.model.IStackFrame;
import org.eclipse.debug.core.model.IThread;
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.ui.model.IWorkbenchAdapter;
-public class PHPThread implements IThread {
-
- private PHPStackFrame[] frames;
- private IDebugTarget target;
- private boolean isSuspended = false;
- private boolean isTerminated = false;
- private boolean isStepping = false;
- private String name ;
- private int id ;
-
- public PHPThread(IDebugTarget target, int id) {
- this.target = target;
- this.setId(id) ;
- this.createName() ;
+public class PHPThread extends PHPDebugElement implements IThread {
+
+ private PHPStackFrame[] frames; // The stackframes which belongs to this thread
+ private PHPDebugTarget target; // This is doppel moppel, fTarget exists in PHPDebugElement
+ private String name; //
+ private int id; // The port number through which we communicate to DBG
+ private boolean fDebug = true;
+
+ private class State {
+ private boolean isSuspended = false;
+ private boolean isTerminated = false;
+ private boolean isStepping = false;
+
+ boolean isSuspended () {
+ return isSuspended;
+ }
+
+ boolean isTerminated () {
+ return isTerminated;
+ }
+
+ boolean isStepping () {
+ return isStepping;
+ }
+
+ void setSuspended (boolean suspended) {
+ if (isTerminated ()) {
+ throw new IllegalStateException();
+ }
+
+ if (suspended && isStepping ()) {
+ throw new IllegalStateException ();
+ }
+
+ isSuspended = suspended;
+ }
+
+ void setStepping (boolean stepping) {
+ if (stepping && !isSuspended ()) {
+ throw new IllegalStateException ();
+ }
+
+ if (isTerminated ()) {
+ throw new IllegalStateException ();
+ }
+
+ isStepping = stepping;
+ }
+
+ void setTerminated(boolean terminated) {
+ isTerminated = terminated;
+ }
}
- public IStackFrame[] getStackFrames() throws DebugException {
- return frames;
+ private final State state = new State ();
+
+ /**
+ * @param target
+ * @param id The port number through which we communicate to DBG
+ */
+ public PHPThread (PHPDebugTarget target, int id) {
+ super (target);
+
+ this.target = target;
+ this.setId (id);
}
- public int getStackFramesSize() {
- return frames.length;
+ /**
+ *
+ */
+ public IStackFrame[] getStackFrames () throws DebugException {
+ if (isSuspended()) {
+ if (fDebug) {
+ System.out.println ("PHPThread getStackFrames");
+ }
+
+ return ((PHPDebugTarget)getDebugTarget()).getStackFrames();
+ } else {
+ return new IStackFrame[0];
+ }
}
- public boolean hasStackFrames() {
+// public int getStackFramesSize () {
+// return frames.length;
+// }
+
+ public boolean hasStackFrames () {
if (frames == null) {
return false;
}
+
return frames.length > 0;
}
- public int getPriority() throws DebugException {
+ public int getPriority () throws DebugException {
return 0;
}
- public IStackFrame getTopStackFrame() throws DebugException {
+ public IStackFrame getTopStackFrame () throws DebugException {
if (frames == null || frames.length == 0) {
return null;
}
return (IStackFrame) frames[0];
}
-
public IBreakpoint[] getBreakpoints() {
- return null;
+ return new IBreakpoint[0];
}
public String getModelIdentifier() {
return target;
}
+// public void setDebugTarget(PHPDebugTarget target) {
+// this.target = target;
+// }
+
public ILaunch getLaunch() {
return this.getDebugTarget().getLaunch();
}
- public boolean canResume() {
- return isSuspended;
+ public synchronized boolean canResume() {
+ return isSuspended();
}
- public boolean canSuspend() {
- return !isSuspended;
+ public synchronized boolean canSuspend() {
+ return !isSuspended();
}
- public boolean isSuspended() {
- return isSuspended;
+ public synchronized boolean isSuspended() {
+ return state.isSuspended;
}
- protected void setSuspended(boolean isSuspended) {
- this.isSuspended = isSuspended;
- }
+ /**
+ *
+ * Is called from PHPstackframe whenever a stepInto, stepOver or stepReturn is
+ * to be performed
+ *
+ * @param de
+ */
+ protected void prepareForResume (int de) {
+ DebugEvent ev;
- protected void prepareForResume() {
- isSuspended = false;
- this.createName() ;
- this.frames = null ;
- DebugEvent ev = new DebugEvent(this, DebugEvent.RESUME, DebugEvent.CLIENT_REQUEST);
- DebugPlugin.getDefault().fireDebugEventSet(new DebugEvent[] { ev });
+ state.setSuspended (false); // We will leave the suspended state
+ frames = null; // Reset the stackframes
+ ev = new DebugEvent (this, DebugEvent.RESUME, de); // Create an event resume by stepping
+
+ DebugPlugin.getDefault ().fireDebugEventSet (new DebugEvent[] { ev }); // Fire the event
}
- public void resume() throws DebugException {
- this.prepareForResume() ;
- ((PHPDebugTarget) this.getDebugTarget()).getPHPDBGProxy().resume(this);
+ /**
+ *
+ */
+ public synchronized void resume () throws DebugException {
+ if (!isSuspended ()) { // Is the thread in suspended state?
+ return; // No, leave here
+ }
+
+ this.prepareForResume (DebugEvent.STEP_OVER); // Use a STEP_OVER here because a 0 leads to a collapsing variable tree in UI
+
+ ((PHPDebugTarget) this.getDebugTarget ()).getPHPDBGProxy ().resume ();
}
/*
- public void doSuspend(SuspensionPoint suspensionPoint) {
-// this.getPHPDebuggerProxy().readFrames(this);
- this.createName(suspensionPoint) ;
- this.suspend() ;
- }
- */
+ * public void doSuspend(SuspensionPoint suspensionPoint) { //
+ * this.getPHPDebuggerProxy().readFrames(this);
+ * this.createName(suspensionPoint) ; this.suspend() ; }
+ */
- public void suspend() {
- isStepping = false ;
- isSuspended = true;
- DebugEvent ev = new DebugEvent(this, DebugEvent.SUSPEND, DebugEvent.BREAKPOINT);
- DebugPlugin.getDefault().fireDebugEventSet(new DebugEvent[] { ev });
- }
+ public synchronized void suspend () throws DebugException {
+ DebugEvent ev;
+
+ if (isSuspended ()) { // Is the thread in suspend state?
+ return; // Yes, leave here
+ }
+
+ state.setSuspended (true); // Set thread to suspended state
+ state.setStepping (false); // Reset thread from stepping state
+
+ getDebugTarget ().suspend (); //
- public boolean canStepInto() {
- return isSuspended && this.hasStackFrames();
+ ev = new DebugEvent (this, DebugEvent.SUSPEND, DebugEvent.BREAKPOINT);
+
+ DebugPlugin.getDefault ().fireDebugEventSet (new DebugEvent[] { ev });
}
- public boolean canStepOver() {
- return isSuspended && this.hasStackFrames();
+ /**
+ *
+ */
+ public boolean canStepInto () {
+ return isSuspended () && // Is the thread in suspended mode (stopped)
+ isStepping () && // and ???
+ this.hasStackFrames (); // and does this thread have stack frames?
}
- public boolean canStepReturn() {
- return false;
+ /**
+ *
+ */
+ public boolean canStepOver () {
+ return isSuspended () && // Is the thread in suspended mode (stopped)
+ isStepping () && // and ???
+ this.hasStackFrames (); // and does this thread have stack frames?
}
- public boolean isStepping() {
- return isStepping;
+ /**
+ *
+ */
+ public boolean canStepReturn () {
+ return isSuspended () && // Is the thread in suspended mode (stopped)
+ isStepping () && // and ???
+ this.hasStackFrames (); // and does this thread have stack frames?
}
- public void stepInto() throws DebugException {
- isStepping = true ;
- this.createName() ;
- this.frames = null ;
- frames[0].stepInto();
+ /**
+ *
+ */
+ public boolean isStepping () {
+ return state.isStepping ();
}
- public void stepOver() throws DebugException {
- isStepping = true ;
- this.createName() ;
- this.frames = null ;
- frames[0].stepOver() ;
+ /**
+ *
+ */
+ public void stepInto () throws DebugException {
+ try {
+ state.setStepping (true); // Store the info about what we do
+ }
+ catch (IllegalStateException x) {
+ throw new DebugException (PHPeclipsePlugin.error (x));
+ }
+
+ this.frames = null;
+
+ frames[0].stepInto ();
}
- public void stepReturn() throws DebugException {
+ /**
+ *
+ */
+ public void stepOver () throws DebugException {
+ state.setStepping (true);
+
+ this.frames = null;
+
+ frames[0].stepOver ();
}
- public boolean canTerminate() {
- return !isTerminated;
+ /**
+ *
+ */
+ public void stepReturn () throws DebugException {
}
- public boolean isTerminated() {
- return isTerminated;
+ /**
+ *
+ */
+ public boolean canTerminate () {
+ return !isTerminated ();
}
- public void terminate() throws DebugException {
- isTerminated = true;
- this.frames = null;
+ /**
+ *
+ */
+ public boolean isTerminated () {
+ return state.isTerminated ();
}
- public Object getAdapter(Class arg0) {
- return null;
+ /**
+ *
+ */
+ public synchronized void terminate () throws DebugException {
+ if (isTerminated ()) {
+ return;
+ }
+
+ state.setTerminated (true);
+ this.frames = null;
+ getDebugTarget ().terminate ();
+ fireTerminateEvent ();
+ }
+
+ /**
+ *
+ * @param arg0
+ * @return
+ */
+ public Object getAdapter (Class arg0) {
+ if (IWorkbenchAdapter.class.equals (arg0)) {
+ return new IWorkbenchAdapter() {
+ public Object[] getChildren(Object o) {
+ try {
+ return getStackFrames ();
+ } catch (DebugException x) {
+ PHPeclipsePlugin.log ("Unable to get stack frames.", x);
+ }
+
+ return new Object[0];
+ }
+
+ public ImageDescriptor getImageDescriptor(Object object) {
+ return null;
+ }
+
+ public String getLabel(Object o) {
+ throw new UnsupportedOperationException();
+ }
+
+ public Object getParent(Object o) {
+ return getDebugTarget();
+ }
+ };
+ }
+ return super.getAdapter(arg0);
}
+ /**
+ *
+ */
public void setStackFrames(PHPStackFrame[] frames) {
this.frames = frames;
}
- public String getName() {
+ /**
+ *
+ */
+ public String getName () {
+ String name;
+
+ name = this.name;
+
+ if (isSuspended ()) {
+ name = name + " (suspended)";
+ }
+
return name;
}
- public void setName(String name) {
+ public void setName (String name) {
this.name = name;
}
- protected void createName() {
- //this.createName(null) ;
- }
-
- /*
- protected void createName(SuspensionPoint suspensionPoint) {
- this.name = "PHP Thread - " + this.getId() ;
- if (suspensionPoint != null) {
- this.name += " (" + suspensionPoint + ")" ;
- }
- }
- */
+ /*
+ * protected void createName(SuspensionPoint suspensionPoint) { this.name =
+ * "PHP Thread - " + this.getId() ; if (suspensionPoint != null) { this.name += " (" +
+ * suspensionPoint + ")" ; } }
+ */
public int getId() {
return id;
git://git.phpeclipse.com / phpeclipse.git / blobdiff