/*******************************************************************************
* Copyright (c) 2013 IBM Corporation
* 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:
* Rafael Medeiros Teixeira <rafaelmt@linux.vnet.ibm.com> - initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.internal.valgrind.ui.quickfixes;
import org.eclipse.cdt.codan.ui.AbstractCodanCMarkerResolution;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IASTNodeSelector;
import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
import org.eclipse.cdt.core.model.ITranslationUnit;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
/**
* Abstract resolution for Valgrind markers
* @author rafaelmt
*
*/
public abstract class AbstractValgrindMarkerResolution extends AbstractCodanCMarkerResolution {
/**
* Returns the enclosed AST node in the given marker.
* @param marker The {@link IMarker} containing the {@link IASTNode}
* @param document - document which is used to calculate offset
* @return the enclosed {@link IASTNode}
*/
protected IASTNode getIASTNode(IMarker marker, IDocument document){
int offset = this.getOffset(marker, document);
int length = this.getLength(marker, document);
IASTNode node = null;
IASTTranslationUnit ast = getASTTranslationUnit(marker);
IASTNodeSelector nodeSelector = ast.getNodeSelector(marker.getResource().getLocationURI().getPath());
node = nodeSelector.findFirstContainedNode(offset, length);
return node;
}
/**
* Returns the translation unit that contains the given marker.
* @param marker The {@link IMarker} from which the {@link IASTTranslationUnit} will be obtained
* @return {@link IASTTranslationUnit} containing the marker
*/
private IASTTranslationUnit getASTTranslationUnit(IMarker marker){
ITranslationUnit tu = getTranslationUnitViaEditor(marker);
try {
return tu.getAST();
} catch (CoreException e) {
return null;
}
}
/**
* Returns the length of the code contained in the given marker or
* -1 if the location does not exist in the document.
* @param marker {@link IMarker} from which the length will be obtained
* @return length of the code enclosed in the {@link IMarker}
*/
private int getLength(IMarker marker, IDocument document) {
int charStart = marker.getAttribute(IMarker.CHAR_START, -1);
int charEnd = marker.getAttribute(IMarker.CHAR_END, -1);
if (charEnd != -1 && charStart != -1) {
return charEnd - charStart;
}
int line = marker.getAttribute(IMarker.LINE_NUMBER, -1) -1;
try {
return document.getLineLength(line);
} catch (BadLocationException e) {
return -1;
}
}
}