/*******************************************************************************
* Copyright (c) 2005, 2013 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.presentation;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.debug.core.DebugException;
import org.eclipse.debug.core.model.IBreakpoint;
import org.eclipse.debug.core.model.ILineBreakpoint;
import org.eclipse.debug.core.model.IValue;
import org.eclipse.debug.examples.core.pda.DebugCorePlugin;
import org.eclipse.debug.examples.core.pda.breakpoints.PDALineBreakpoint;
import org.eclipse.debug.examples.core.pda.breakpoints.PDAWatchpoint;
import org.eclipse.debug.examples.core.pda.model.PDADebugTarget;
import org.eclipse.debug.examples.core.pda.model.PDAStackFrame;
import org.eclipse.debug.examples.core.pda.model.PDAThread;
import org.eclipse.debug.ui.IDebugModelPresentation;
import org.eclipse.debug.ui.IValueDetailListener;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.part.FileEditorInput;
/**
* Renders PDA debug elements
*/
public class PDAModelPresentation extends LabelProvider implements IDebugModelPresentation {
/* (non-Javadoc)
* @see org.eclipse.debug.ui.IDebugModelPresentation#setAttribute(java.lang.String, java.lang.Object)
*/
@Override
public void setAttribute(String attribute, Object value) {
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ILabelProvider#getText(java.lang.Object)
*/
@Override
public String getText(Object element) {
if (element instanceof PDADebugTarget) {
return getTargetText((PDADebugTarget)element);
} else if (element instanceof PDAThread) {
return getThreadText((PDAThread)element);
} else if (element instanceof PDAStackFrame) {
return getStackFrameText((PDAStackFrame)element);
} else if (element instanceof PDAWatchpoint) {
return getWatchpointText((PDAWatchpoint)element);
}
return null;
}
/**
* Returns a label for the given watchpoint.
*
* @param watchpoint
* @return a label for the given watchpoint
*/
private String getWatchpointText(PDAWatchpoint watchpoint) {
try {
String label = watchpoint.getVariableName() + " (" + watchpoint.getFunctionName() + ")"; //$NON-NLS-1$ //$NON-NLS-2$
if (watchpoint.isAccess()) {
label += " [read]"; //$NON-NLS-1$
}
if (watchpoint.isModification()) {
label += " [write]"; //$NON-NLS-1$
}
return label;
} catch (CoreException e) {
return null;
}
}
/**
* Returns a label for the given debug target
*
* @param target debug target
* @return a label for the given debug target
*/
private String getTargetText(PDADebugTarget target) {
try {
String pgmPath = target.getLaunch().getLaunchConfiguration().getAttribute(DebugCorePlugin.ATTR_PDA_PROGRAM, (String)null);
if (pgmPath != null) {
IPath path = new Path(pgmPath);
String label = ""; //$NON-NLS-1$
if (target.isTerminated()) {
label = "<terminated>"; //$NON-NLS-1$
}
return label + "PDA [" + path.lastSegment() + "]"; //$NON-NLS-1$ //$NON-NLS-2$
}
} catch (CoreException e) {
}
return "PDA"; //$NON-NLS-1$
}
/**
* Returns a label for the given stack frame
*
* @param frame a stack frame
* @return a label for the given stack frame
*/
private String getStackFrameText(PDAStackFrame frame) {
try {
return frame.getName() + " (line: " + frame.getLineNumber() + ")"; //$NON-NLS-1$ //$NON-NLS-2$
} catch (DebugException e) {
}
return null;
}
/**
* Returns a label for the given thread
*
* @param thread a thread
* @return a label for the given thread
*/
private String getThreadText(PDAThread thread) {
String label = thread.getName();
if (thread.isStepping()) {
label += " (stepping)"; //$NON-NLS-1$
} else if (thread.isSuspended()) {
IBreakpoint[] breakpoints = thread.getBreakpoints();
if (breakpoints.length == 0) {
if (thread.getError() == null) {
label += " (suspended)"; //$NON-NLS-1$
} else {
label += " (" + thread.getError() + ")"; //$NON-NLS-1$ //$NON-NLS-2$
}
} else {
IBreakpoint breakpoint = breakpoints[0]; // there can only be one in PDA
if (breakpoint instanceof PDALineBreakpoint) {
PDALineBreakpoint pdaBreakpoint = (PDALineBreakpoint) breakpoint;
if (pdaBreakpoint instanceof PDAWatchpoint) {
try {
PDAWatchpoint watchpoint = (PDAWatchpoint)pdaBreakpoint;
label += " (watchpoint: " + watchpoint.getSuspendType() + " " + watchpoint.getVariableName() + ")"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
} catch (CoreException e) {
}
} else if (pdaBreakpoint.isRunToLineBreakpoint()) {
label += " (run to line)"; //$NON-NLS-1$
} else {
label += " (suspended at line breakpoint)"; //$NON-NLS-1$
}
}
}
} else if (thread.isTerminated()) {
label = "<terminated> " + label; //$NON-NLS-1$
}
return label;
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.IDebugModelPresentation#computeDetail(org.eclipse.debug.core.model.IValue, org.eclipse.debug.ui.IValueDetailListener)
*/
@Override
public void computeDetail(IValue value, IValueDetailListener listener) {
String detail = ""; //$NON-NLS-1$
try {
detail = value.getValueString();
} catch (DebugException e) {
}
listener.detailComputed(value, detail);
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.ISourcePresentation#getEditorInput(java.lang.Object)
*/
@Override
public IEditorInput getEditorInput(Object element) {
if (element instanceof IFile) {
return new FileEditorInput((IFile)element);
}
if (element instanceof ILineBreakpoint) {
return new FileEditorInput((IFile)((ILineBreakpoint)element).getMarker().getResource());
}
return null;
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.ISourcePresentation#getEditorId(org.eclipse.ui.IEditorInput, java.lang.Object)
*/
@Override
public String getEditorId(IEditorInput input, Object element) {
if (element instanceof IFile || element instanceof ILineBreakpoint) {
return "pda.editor"; //$NON-NLS-1$
}
return null;
}
}