/*
* Created on 23.11.2004
*
* TODO To change the template for this generated file go to
* Window - Preferences - Java - Code Style - Code Templates
*/
package net.sourceforge.phpeclipse.xdebug.php.model;
import net.sourceforge.phpeclipse.xdebug.core.PHPDebugUtils;
import net.sourceforge.phpeclipse.xdebug.core.xdebug.XDebugResponse;
import org.eclipse.debug.core.DebugEvent;
import org.eclipse.debug.core.DebugException;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.IDebugEventSetListener;
import org.eclipse.debug.core.model.IBreakpoint;
import org.eclipse.debug.core.model.IStackFrame;
import org.eclipse.debug.core.model.IThread;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
/**
* @author Axel
*
* TODO To change the template for this generated type comment go to
* Window - Preferences - Java - Code Style - Code Templates
*/
public class XDebugThread extends XDebugElement implements IThread, IDebugEventSetListener {
private XDebugStackFrame[] fStackFrames;
private IBreakpoint[] fBreakpoints;
/* Whether this thread is stepping */
private boolean fStepping = false;
private boolean fTerminated = false;
private int fStepCount = 0;
private int fCurrentStepCount = 0;
/**
* Constructs a new thread for the given target
*
* @param target VM
*/
public XDebugThread(XDebugTarget target) {
super(target);
DebugPlugin.getDefault().addDebugEventListener(this);
fStackFrames = null;
}
public void incrementStepCounter() {
fStepCount++;
}
public IStackFrame[] getStackFrames() throws DebugException {
if (!isSuspended()) {
return new IStackFrame[0];
}
if (fStepCount > fCurrentStepCount) {
XDebugResponse dr = ((XDebugTarget) getDebugTarget()).getStackFrames();
XDebugStackFrame[] newStackFrames = _getStackFrames(dr);
/*if (fStackFrames != null) {
if (newStackFrames.length >= fStackFrames.length) {
int delta = newStackFrames.length - fStackFrames.length + 1;
for (int i = fStackFrames.length - 1; i >= 0; i--) {
if (fStackFrames[i].equals(newStackFrames[newStackFrames.length - delta])) {
int b = 2; b++;
//((XDebugStackFrame) newStackFrames[newStackFrames.length - delta]).evaluateChange((XDebugStackFrame) fStackFrames[i]);
} else if (fStackFrames[i].isSameStackFrame(newStackFrames[newStackFrames.length - delta])) {
int b = 2; b++;
//((XDebugStackFrame) newStackFrames[newStackFrames.length - delta]).evaluateChange((XDebugStackFrame) fStackFrames[i]);
}
delta ++;
}
} else {
fStackFrames = newStackFrames;
}
} else {
fStackFrames = newStackFrames;
}*/
fCurrentStepCount++;
fStackFrames = newStackFrames;
}
return fStackFrames;
}
private XDebugStackFrame[] _getStackFrames(XDebugResponse lastResponse) {
if (lastResponse.isError()) {
return new XDebugStackFrame[0];
}
Node response = lastResponse.getParentNode();
NodeList frames = response.getChildNodes();
XDebugStackFrame[] theFrames = new XDebugStackFrame[frames.getLength()];
for (int i = 0; i < frames.getLength(); i++) {
Node stackNode = frames.item(i);
String fileName=PHPDebugUtils.unescapeString(PHPDebugUtils.getAttributeValue(stackNode,"filename"));
String lineNo = PHPDebugUtils.getAttributeValue(stackNode,"lineno");
XDebugStackFrame frame = new XDebugStackFrame(this/*fThread*/, i, /*type*/PHPDebugUtils.getAttributeValue(stackNode,"type"), /*lineno*/Integer.parseInt(lineNo), /*where*/PHPDebugUtils.getAttributeValue(stackNode,"where"), fileName);
frame.incrementStepCounter();
theFrames[i] = frame;
}
return theFrames;
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.IThread#hasStackFrames()
*/
public boolean hasStackFrames() throws DebugException {
return isSuspended();
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.IThread#getPriority()
*/
public int getPriority() throws DebugException {
return 0;
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.IThread#getTopStackFrame()
*/
public IStackFrame getTopStackFrame() throws DebugException {
IStackFrame[] frames = getStackFrames();
if (frames.length > 0) {
return frames[0];
}
return null;
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.IThread#getName()
*/
public String getName() throws DebugException {
return "Thread[1]";
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.IThread#getBreakpoints()
*/
public IBreakpoint[] getBreakpoints() {
if (fBreakpoints == null) {
return new IBreakpoint[0];
}
return fBreakpoints;
}
/**
* Sets the breakpoints this thread is suspended at, or null
* if none.
*
* @param breakpoints the breakpoints this thread is suspended at, or null
* if none
*/
protected void setBreakpoints(IBreakpoint[] breakpoints) {
fBreakpoints = breakpoints;
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.ISuspendResume#canResume()
*/
public boolean canResume() {
return isSuspended();
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.ISuspendResume#canSuspend()
*/
public boolean canSuspend() {
return !isTerminated() && !isSuspended();
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.ISuspendResume#isSuspended()
*/
public boolean isSuspended() {
return getDebugTarget().isSuspended();
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.ISuspendResume#resume()
*/
public void resume() throws DebugException {
fBreakpoints = null;
getDebugTarget().resume();
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.ISuspendResume#suspend()
*/
public void suspend() throws DebugException {
getDebugTarget().suspend();
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.IStep#canStepInto()
*/
public boolean canStepInto() {
return isSuspended();
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.IStep#canStepOver()
*/
public boolean canStepOver() {
return isSuspended();
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.IStep#canStepReturn()
*/
public boolean canStepReturn() {
if (fStackFrames != null) {
return (fStackFrames.length > 1);
} else {
return false;
}
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.IStep#isStepping()
*/
public boolean isStepping() {
return fStepping;
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.IStep#stepInto()
*/
public void stepInto() throws DebugException {
fBreakpoints = null;
((XDebugTarget) getDebugTarget()).step_into();
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.IStep#stepOver()
*/
public void stepOver() throws DebugException {
fBreakpoints = null;
((XDebugTarget) getDebugTarget()).step_over();
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.IStep#stepReturn()
*/
public void stepReturn() throws DebugException {
fBreakpoints = null;
((XDebugTarget) getDebugTarget()).step_out();
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.ITerminate#canTerminate()
*/
public boolean canTerminate() {
return !isTerminated();
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.ITerminate#isTerminated()
*/
public boolean isTerminated() {
return fTerminated;
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.ITerminate#terminate()
*/
public void terminate() throws DebugException {
((XDebugTarget) getDebugTarget()).getDebugConnection().stop();
fTerminated = true;
}
public void terminated() throws DebugException {
fTerminated = true;
}
/**
* Sets whether this thread is stepping
*
* @param stepping whether stepping
*/
protected void setStepping(boolean stepping) {
fStepping = stepping;
}
public void handleDebugEvents(DebugEvent[] events) {
DebugEvent de = events[0];
System.out.println(de.toString());
}
public void removeEventListeners() {
DebugPlugin.getDefault().removeDebugEventListener(this);
}
/**
* Fires a RESUME
event for this element with
* the given detail.
*
* @param detail event detail code
*/
public void fireResumeEvent(int detail) {
fireEvent(new DebugEvent(this, DebugEvent.RESUME, detail));
}
/**
* Fires a SUSPEND
event for this element with
* the given detail.
*
* @param detail event detail code
*/
public void fireSuspendEvent(int detail) {
fireEvent(new DebugEvent(this, DebugEvent.SUSPEND, detail));
}
}