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/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.core.search.indexing;
/**
* @author bgheorgh
*/
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.ICLogConstants;
import org.eclipse.cdt.core.model.CoreModel;
import org.eclipse.cdt.core.parser.IParser;
import org.eclipse.cdt.core.parser.IScannerInfo;
import org.eclipse.cdt.core.parser.IScannerInfoProvider;
import org.eclipse.cdt.core.parser.ParseError;
import org.eclipse.cdt.core.parser.ParserFactory;
import org.eclipse.cdt.core.parser.ParserFactoryError;
import org.eclipse.cdt.core.parser.ParserLanguage;
import org.eclipse.cdt.core.parser.ParserMode;
import org.eclipse.cdt.core.parser.ParserUtil;
import org.eclipse.cdt.core.parser.ScannerInfo;
import org.eclipse.cdt.internal.core.index.IDocument;
import org.eclipse.cdt.internal.core.index.impl.IndexDelta;
import org.eclipse.cdt.utils.TimeOut;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
/**
* A SourceIndexer indexes source files using the parser. The following items are indexed:
* Declarations:
* - Classes
* - Structs
* - Unions
* References:
* - Classes
* - Structs
* - Unions
*/
public class SourceIndexer extends AbstractIndexer {
//TODO: Indexer, add additional file types
//Header files: "h" , "hh", "hpp"
//Use the CModelManager defined file types
//public static final String[] FILE_TYPES= new String[] {"cpp","c", "cc", "cxx"}; //$NON-NLS-1$
//protected DefaultProblemFactory problemFactory= new DefaultProblemFactory(Locale.getDefault());
public static final String CDT_INDEXER_TIMEOUT= "CDT_INDEXER_TIMEOUT"; //$NON-NLS-1$
IFile resourceFile;
TimeOut timeOut = null;
/**
* @param resource
* @param out
*/
public SourceIndexer(IFile resource, TimeOut timeOut) {
this.resourceFile = resource;
this.timeOut = timeOut;
}
protected void indexFile(IDocument document) throws IOException {
// Add the name of the file to the index
output.addDocument(document);
// Create a new Parser
SourceIndexerRequestor requestor = new SourceIndexerRequestor(this, resourceFile, timeOut);
IndexManager manager = CCorePlugin.getDefault().getCoreModel().getIndexManager();
boolean problemsEnabled = manager.isIndexProblemsEnabled( resourceFile.getProject() );
requestor.setProblemMarkersEnabled( problemsEnabled );
requestor.requestRemoveMarkers( resourceFile, null );
//Get the scanner info
IProject currentProject = resourceFile.getProject();
IScannerInfo scanInfo = new ScannerInfo();
IScannerInfoProvider provider = CCorePlugin.getDefault().getScannerInfoProvider(currentProject);
if (provider != null){
IScannerInfo buildScanInfo = provider.getScannerInformation(currentProject);
if (buildScanInfo != null){
scanInfo = new ScannerInfo(buildScanInfo.getDefinedSymbols(), buildScanInfo.getIncludePaths());
}
}
//C or CPP?
ParserLanguage language = CoreModel.hasCCNature(currentProject) ? ParserLanguage.CPP : ParserLanguage.C;
IParser parser = null;
try
{
BufferedInputStream inStream = new BufferedInputStream(resourceFile.getContents());
parser = ParserFactory.createParser(
ParserFactory.createScanner( new BufferedReader(new InputStreamReader(inStream)), resourceFile.getLocation().toOSString(), scanInfo, ParserMode.COMPLETE_PARSE, language, requestor, ParserUtil.getScannerLogService(), null ),
requestor, ParserMode.COMPLETE_PARSE, language, ParserUtil.getParserLogService() );
} catch( ParserFactoryError pfe )
{
} catch (CoreException e) {
}
try{
// start timer
String timeOut = CCorePlugin.getDefault().getPluginPreferences().getString(CDT_INDEXER_TIMEOUT);
Integer timeOutValue = new Integer(timeOut);
if (timeOutValue.intValue() > 0) {
requestor.setTimeout(timeOutValue.intValue());
requestor.startTimer();
}
boolean retVal = parser.parse();
if (!retVal)
org.eclipse.cdt.internal.core.model.Util.log(null, "Failed to index " + resourceFile.getFullPath(), ICLogConstants.CDT); //$NON-NLS-1$
if (AbstractIndexer.VERBOSE){
if (!retVal)
AbstractIndexer.verbose("PARSE FAILED " + resourceFile.getName().toString()); //$NON-NLS-1$
else
AbstractIndexer.verbose("PARSE SUCCEEDED " + resourceFile.getName().toString()); //$NON-NLS-1$
}
}
catch ( VirtualMachineError vmErr){
if (vmErr instanceof OutOfMemoryError){
org.eclipse.cdt.internal.core.model.Util.log(null, "Out Of Memory error: " + vmErr.getMessage() + " on File: " + resourceFile.getName(), ICLogConstants.CDT); //$NON-NLS-1$ //$NON-NLS-2$
}
}
catch (ParseError e){
org.eclipse.cdt.internal.core.model.Util.log(null, "Parser Timeout on File: " + resourceFile.getName(), ICLogConstants.CDT); //$NON-NLS-1$ //$NON-NLS-2$
}
catch ( Exception ex ){
if (ex instanceof IOException)
throw (IOException) ex;
}
finally{
requestor.stopTimer();
//if the user disable problem reporting since we last checked, don't report the collected problems
if( manager.isIndexProblemsEnabled( resourceFile.getProject() ) )
requestor.reportProblems();
//Report events
ArrayList filesTrav = requestor.getFilesTraversed();
IndexDelta indexDelta = new IndexDelta(resourceFile.getProject(),filesTrav);
CCorePlugin.getDefault().getCoreModel().getIndexManager().notifyListeners(indexDelta);
//Release all resources
parser=null;
currentProject = null;
requestor = null;
provider = null;
scanInfo=null;
}
}
/**
* Sets the document types the <code>IIndexer</code> handles.
*/
public void setFileTypes(String[] fileTypes){}
/* (non-Javadoc)
* @see org.eclipse.cdt.internal.core.search.indexing.AbstractIndexer#getResourceFile()
*/
public IFile getResourceFile() {
return resourceFile;
}
}
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