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/*******************************************************************************
* Copyright (c) 2009 Alena Laskavaia
* 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:
* Alena Laskavaia - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.codan.core.model;
import org.eclipse.cdt.codan.core.CodanCorePlugin;
import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.dom.ast.IASTFileLocation;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
import org.eclipse.cdt.core.index.IIndex;
import org.eclipse.cdt.core.model.CoreModel;
import org.eclipse.cdt.core.model.ICElement;
import org.eclipse.cdt.core.model.ITranslationUnit;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
/**
* @author Alena
*
*/
public abstract class AbstractIndexAstChecker extends AbstractChecker implements
ICAstChecker {
private IFile file;
protected IFile getFile() {
return file;
}
void processFile(IFile file) throws CoreException, InterruptedException {
// create translation unit and access index
ICElement model = CoreModel.getDefault().create(file);
if (!(model instanceof ITranslationUnit))
return;
ITranslationUnit tu = (ITranslationUnit) model;
if (tu == null)
return; // not a C/C++ file
IIndex index = CCorePlugin.getIndexManager().getIndex(tu.getCProject());
// lock the index for read access
index.acquireReadLock();
try {
// create index based ast
IASTTranslationUnit ast = tu.getAST(index,
ITranslationUnit.AST_SKIP_INDEXED_HEADERS);
// traverse the ast using the visitor pattern.
this.file = file;
processAst(ast);
} finally {
this.file = null;
index.releaseReadLock();
}
}
public boolean processResource(IResource resource) {
if (resource instanceof IFile) {
IFile file = (IFile) resource;
try {
processFile(file);
} catch (CoreException e) {
CodanCorePlugin.log(e);
} catch (InterruptedException e) {
// ignore
}
return false;
}
return true;
}
public void reportProblem(String id, IASTNode astNode, String message) {
IASTFileLocation astLocation = astNode.getFileLocation();
IPath location = new Path(astLocation.getFileName());
IFile astFile = ResourcesPlugin.getWorkspace().getRoot()
.getFileForLocation(location);
if (astFile == null) {
astFile = file;
}
ProblemLocation loc;
if (astLocation.getStartingLineNumber() == astLocation
.getEndingLineNumber())
loc = new ProblemLocation(astFile, astLocation.getNodeOffset(),
astLocation.getNodeOffset() + astLocation.getNodeLength());
else
loc = new ProblemLocation(astFile, astLocation
.getStartingLineNumber());
getProblemReporter().reportProblem(id, loc, message);
}
@Override
public boolean runInEditor() {
return true;
}
}
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