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/*******************************************************************************
* Copyright (c) 2009, 2010 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.util.Map;
import org.eclipse.cdt.codan.core.CodanCorePlugin;
import org.eclipse.cdt.codan.core.CodanRuntime;
import org.eclipse.cdt.codan.core.Messages;
import org.eclipse.cdt.codan.core.model.IChecker;
import org.eclipse.cdt.codan.core.model.ICodanBuilder;
import org.eclipse.cdt.codan.core.model.IProblemReporter;
import org.eclipse.cdt.codan.core.model.IProblemReporterPersistent;
import org.eclipse.cdt.codan.core.model.IRunnableInEditorChecker;
import org.eclipse.core.resources.IContainer;
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.IncrementalProjectBuilder;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.SubProgressMonitor;
/**
* Implementation of {@link ICodanBuilder}
*/
public class CodanBuilder extends IncrementalProjectBuilder implements
ICodanBuilder {
/**
* codan builder id
*/
public static final String BUILDER_ID = "org.eclipse.cdt.codan.core.codanBuilder"; //$NON-NLS-1$
private class CodanDeltaVisitor implements IResourceDeltaVisitor {
private IProgressMonitor monitor;
/**
* @param monitor
*/
public CodanDeltaVisitor(IProgressMonitor monitor) {
this.monitor = monitor;
}
public boolean visit(IResourceDelta delta) throws CoreException {
IResource resource = delta.getResource();
switch (delta.getKind()) {
case IResourceDelta.ADDED:
// handle added resource
processResource(resource, monitor);
break;
case IResourceDelta.REMOVED:
// handle removed resource
break;
case IResourceDelta.CHANGED:
// handle changed resource
processResource(resource, monitor);
break;
}
// 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)
*/
@SuppressWarnings("rawtypes")
@Override
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) {
processResource(resource, monitor, null, false);
}
protected void processResource(IResource resource,
IProgressMonitor monitor, Object model, boolean inEditor) {
CheckersRegistry chegistry = CheckersRegistry.getInstance();
int checkers = chegistry.getCheckersSize();
int memsize = 0;
if (resource instanceof IContainer) {
try {
IResource[] members = ((IContainer) resource).members();
memsize = members.length;
} catch (CoreException e) {
CodanCorePlugin.log(e);
}
}
int tick = 1000;
// System.err.println("processing " + resource);
monitor.beginTask(Messages.CodanBuilder_Code_Analysis_On + resource,
checkers + memsize * tick);
try {
IProblemReporter problemReporter = CodanRuntime.getInstance()
.getProblemReporter();
for (IChecker checker : chegistry) {
try {
if (monitor.isCanceled())
return;
if (checker.enabledInContext(resource)) {
// delete markers if checker can possibly run on this
// resource
// this way if checker is not enabled markers would be
// deleted too
if (problemReporter instanceof IProblemReporterPersistent) {
// delete general markers
((IProblemReporterPersistent) problemReporter)
.deleteProblems(resource, checker);
}
if (chegistry.isCheckerEnabled(checker, resource)) {
if (inEditor) {
if (checker.runInEditor()
&& checker instanceof IRunnableInEditorChecker) {
((IRunnableInEditorChecker) checker)
.processModel(model);
}
} else {
checker.processResource(resource);
}
}
}
monitor.worked(1);
} catch (Throwable e) {
CodanCorePlugin.log(e);
}
}
if (resource instanceof IContainer) {
try {
IResource[] members = ((IContainer) resource).members();
for (int i = 0; i < members.length; i++) {
if (monitor.isCanceled())
return;
IResource member = members[i];
processResource(member, new SubProgressMonitor(monitor,
tick));
}
} catch (CoreException e) {
CodanCorePlugin.log(e);
}
}
} finally {
monitor.done();
}
}
protected void fullBuild(final IProgressMonitor monitor)
throws CoreException {
processResource(getProject(), monitor);
}
protected void incrementalBuild(IResourceDelta delta,
IProgressMonitor monitor) throws CoreException {
// the visitor does the work.
delta.accept(new CodanDeltaVisitor(monitor));
}
/**
* Run all checkers that support "check as you type" mode
*
* @param model - model of given resource such as ast
* @param resource - resource to process
* @param monitor - progress monitor
*/
public void runInEditor(Object model, IResource resource,
IProgressMonitor monitor) {
if (model == null)
return;
processResource(resource, monitor, model, true);
}
}
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