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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.internal.core;
import java.io.File;
import java.net.URI;
import java.util.Collection;
import java.util.Iterator;
import java.util.Map;
import org.eclipse.cdt.codan.core.CodanCorePlugin;
import org.eclipse.cdt.codan.core.CodanRuntime;
import org.eclipse.cdt.codan.core.model.ICAstChecker;
import org.eclipse.cdt.codan.core.model.IChecker;
import org.eclipse.cdt.codan.core.model.ICodanAstReconciler;
import org.eclipse.cdt.codan.core.model.ICodanBuilder;
import org.eclipse.cdt.codan.core.model.IProblem;
import org.eclipse.cdt.codan.core.model.IProblemProfile;
import org.eclipse.cdt.codan.core.model.IProblemReporter;
import org.eclipse.cdt.codan.internal.core.model.CodanMarkerProblemReporter;
import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceDelta;
import org.eclipse.core.resources.IResourceDeltaVisitor;
import org.eclipse.core.resources.IResourceVisitor;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.IncrementalProjectBuilder;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
public class CodanBuilder extends IncrementalProjectBuilder implements
ICodanBuilder, ICodanAstReconciler {
public static final String BUILDER_ID = "org.eclipse.cdt.codan.core.codanBuilder";
public class CodanDeltaVisitor implements IResourceDeltaVisitor {
/*
* (non-Javadoc)
*
* @see
* org.eclipse.core.resources.IResourceDeltaVisitor#visit(org.eclipse
* .core.resources.IResourceDelta)
*/
/*
* (non-Javadoc)
*
* @see
* org.eclipse.cdt.codan.internal.core.ICodanBuilder#visit(org.eclipse
* .core.resources.IResourceDelta)
*/
public boolean visit(IResourceDelta delta) throws CoreException {
IResource resource = delta.getResource();
switch (delta.getKind()) {
case IResourceDelta.ADDED:
// handle added resource
processResource(resource, new NullProgressMonitor());
break;
case IResourceDelta.REMOVED:
// handle removed resource
break;
case IResourceDelta.CHANGED:
// handle changed resource
processResource(resource, new NullProgressMonitor());
break;
}
// return true to continue visiting children.
return true;
}
}
public class CodanResourceVisitor implements IResourceVisitor {
public boolean visit(IResource resource) {
if (!(resource instanceof IProject))
processResource(resource, new NullProgressMonitor());
// return true to continue visiting children.
return true;
}
}
/*
* (non-Javadoc)
*
* @see org.eclipse.core.internal.events.InternalBuilder#build(int,
* java.util.Map, org.eclipse.core.runtime.IProgressMonitor)
*/
protected IProject[] build(int kind, Map args, IProgressMonitor monitor)
throws CoreException {
if (kind == FULL_BUILD) {
fullBuild(monitor);
} else {
IResourceDelta delta = getDelta(getProject());
if (delta == null) {
fullBuild(monitor);
} else {
incrementalBuild(delta, monitor);
}
}
return null;
}
public void processResource(IResource resource, IProgressMonitor monitor) {
// String string = Platform.getPreferencesService().getString(
// CodanCorePlugin.PLUGIN_ID, "problems", "", null);
// System.err.println("set = " + string);
// delete general markers
IProblemReporter problemReporter = CodanRuntime.getInstance()
.getProblemReporter();
if (problemReporter instanceof CodanMarkerProblemReporter) {
((CodanMarkerProblemReporter) problemReporter)
.deleteMarkers(resource);
}
for (IChecker checker : CheckersRegisry.getInstance()) {
try {
boolean run = false;
if (checker.enabledInContext(resource))
run = true;
if (areProblemsForCheckerEnabled(checker, resource))
run = true;
if (run)
checker.processResource(resource);
} catch (Throwable e) {
CodanCorePlugin.log(e);
}
}
if (resource instanceof IProject) {
try {
resource.accept(getResourceVisitor());
} catch (CoreException e) {
CodanCorePlugin.log(e);
}
}
}
public void reconcileAst(IASTTranslationUnit ast, IProgressMonitor monitor) {
if (ast == null)
return;
String filePath = ast.getFilePath();
IWorkspace workspace = ResourcesPlugin.getWorkspace();
IWorkspaceRoot root = workspace.getRoot();
IFile[] resources;
URI uri = new File(filePath).toURI();
resources = root.findFilesForLocationURI(uri);
if (resources != null && resources.length > 0) {
IFile resource = resources[0];
IProblemReporter problemReporter = CodanRuntime.getInstance()
.getProblemReporter();
// TODO: this is wrong - should not delete all markers -
// only those that contributed by the checker that we run now
if (problemReporter instanceof CodanMarkerProblemReporter) {
((CodanMarkerProblemReporter) problemReporter)
.deleteMarkers(resource);
}
for (IChecker checker : CheckersRegisry.getInstance()) {
try {
boolean run = false;
if (checker.enabledInContext(resource))
run = true;
if (areProblemsForCheckerEnabled(checker, resource)) {
run = true;
}
if (run && checker instanceof ICAstChecker
&& checker.runInEditor())
((ICAstChecker) checker).processAst(ast);
} catch (Throwable e) {
CodanCorePlugin.log(e);
}
}
}
}
/**
* @param checker
* @param resource
* @return
*/
private boolean areProblemsForCheckerEnabled(IChecker checker,
IResource resource) {
IProblemProfile resourceProfile = CheckersRegisry.getInstance()
.getResourceProfile(resource);
Collection<IProblem> refProblems = CheckersRegisry.getInstance()
.getRefProblems(checker);
for (Iterator iterator = refProblems.iterator(); iterator.hasNext();) {
IProblem p = (IProblem) iterator.next();
// we need to check problem enablement in particular profile
IProblem problem = resourceProfile.findProblem(p.getId());
if (problem == null)
throw new IllegalArgumentException("Id is not registered");
if (problem.isEnabled())
return true;
}
// no problem is enabled for this checker, skip the checker
return false;
}
protected void fullBuild(final IProgressMonitor monitor)
throws CoreException {
try {
getProject().accept(new CodanResourceVisitor());
} catch (CoreException e) {
}
}
protected void incrementalBuild(IResourceDelta delta,
IProgressMonitor monitor) throws CoreException {
// the visitor does the work.
delta.accept(new CodanDeltaVisitor());
}
/*
* (non-Javadoc)
*
* @see org.eclipse.cdt.codan.core.model.ICodanBuilder#getResourceVisitor()
*/
public CodanResourceVisitor getResourceVisitor() {
return new CodanResourceVisitor();
}
}
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