/*******************************************************************************
* Copyright (c) 2007, 2012 Wind River Systems 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.dsf.debug.internal.ui.disassembly.presentation;
import java.util.Collection;
import org.eclipse.cdt.core.model.CModelException;
import org.eclipse.cdt.core.model.ICElement;
import org.eclipse.cdt.core.model.IParent;
import org.eclipse.cdt.core.model.ISourceReference;
import org.eclipse.cdt.core.model.ITranslationUnit;
import org.eclipse.core.runtime.ListenerList;
/**
* A source tag provider based on the C Model.
*/
public class CSourceTagProvider implements ISourceTagProvider {
private ListenerList fListenerList= new ListenerList(ListenerList.IDENTITY);
private ITranslationUnit fUnit;
/**
* Create a new source tag provider for the given translation unit.
*
* @param unit
*/
public CSourceTagProvider(ITranslationUnit unit) {
fUnit= unit;
}
@Override
public void addSourceTagListener(ISourceTagListener listener) {
fListenerList.add(listener);
}
@Override
public int[] getActiveCodePositions() {
// unsupported
return null;
}
@Override
public long getSnapshotTime() {
return 0;
}
@Override
public void getSourceTags(Collection<ISourceTag> target) {
try {
convertToSourceTags(fUnit.getChildren(), target);
} catch (CModelException e) {
}
}
/**
* @param element
* @return
*/
private ISourceTag convertToSourceTag(ICElement element) {
if (element instanceof ISourceReference) {
return new CSourceTag((ISourceReference)element, element.getElementType());
}
return null;
}
/**
* @param children
* @param target
* @throws CModelException
*/
private void convertToSourceTags(ICElement[] children, Collection<ISourceTag> target) throws CModelException {
for (int i = 0; i < children.length; i++) {
ICElement element= children[i];
ISourceTag tag= convertToSourceTag(element);
if (tag != null) {
target.add(tag);
}
if (element instanceof IParent) {
convertToSourceTags(((IParent)element).getChildren(), target);
}
}
}
/*
* @see org.eclipse.cdt.dsf.debug.internal.ui.disassembly.presentation.ISourceTagProvider#removeSourceTagListener(org.eclipse.cdt.dsf.debug.internal.ui.disassembly.presentation.ISourceTagListener)
*/
@Override
public void removeSourceTagListener(ISourceTagListener listener) {
fListenerList.remove(listener);
}
}