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/*******************************************************************************
* Copyright (c) 2006, 2008 Wind River Systems, Inc. and others.
* 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:
* Markus Schorn - initial API and implementation
* Andrew Ferguson (Symbian)
*******************************************************************************/
package org.eclipse.cdt.internal.core.pdom;
import java.io.File;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.IASTPreprocessorStatement;
import org.eclipse.cdt.core.index.IIndexFileLocation;
import org.eclipse.cdt.core.index.IIndexLocationConverter;
import org.eclipse.cdt.internal.core.index.IIndexFragment;
import org.eclipse.cdt.internal.core.index.IIndexFragmentFile;
import org.eclipse.cdt.internal.core.index.IWritableIndexFragment;
import org.eclipse.cdt.internal.core.index.IWritableIndex.IncludeInformation;
import org.eclipse.cdt.internal.core.pdom.db.ChunkCache;
import org.eclipse.cdt.internal.core.pdom.db.DBProperties;
import org.eclipse.cdt.internal.core.pdom.db.IBTreeVisitor;
import org.eclipse.cdt.internal.core.pdom.dom.IPDOMLinkageFactory;
import org.eclipse.cdt.internal.core.pdom.dom.PDOMFile;
import org.eclipse.core.runtime.CoreException;
public class WritablePDOM extends PDOM implements IWritableIndexFragment {
private boolean fClearedBecauseOfVersionMismatch= false;
private boolean fCreatedFromScratch= false;
private ASTFilePathResolver fPathResolver;
public WritablePDOM(File dbPath, IIndexLocationConverter locationConverter, Map<String, IPDOMLinkageFactory> linkageFactoryMappings) throws CoreException {
this(dbPath, locationConverter, ChunkCache.getSharedInstance(), linkageFactoryMappings);
}
public WritablePDOM(File dbPath, IIndexLocationConverter locationConverter, ChunkCache cache, Map<String, IPDOMLinkageFactory> linkageFactoryMappings) throws CoreException {
super(dbPath, locationConverter, cache, linkageFactoryMappings);
}
public void setASTFilePathResolver(ASTFilePathResolver resolver) {
fPathResolver= resolver;
}
@Override
public IIndexFragmentFile addFile(int linkageID, IIndexFileLocation location) throws CoreException {
return super.addFile(linkageID, location);
}
public void addFileContent(IIndexFragmentFile sourceFile, IncludeInformation[] includes,
IASTPreprocessorStatement[] macros, IASTName[][] names, ASTFilePathResolver pathResolver) throws CoreException {
assert sourceFile.getIndexFragment() == this;
PDOMFile pdomFile = (PDOMFile) sourceFile;
pdomFile.addIncludesTo(includes);
pdomFile.addMacros(macros);
final ASTFilePathResolver origResolver= fPathResolver;
fPathResolver= pathResolver;
try {
pdomFile.addNames(names);
}
finally {
fPathResolver= origResolver;
}
final IIndexFileLocation location = pdomFile.getLocation();
fEvent.fClearedFiles.remove(location);
fEvent.fFilesWritten.add(location);
}
public void clearFile(IIndexFragmentFile file, Collection<IIndexFileLocation> contextsRemoved) throws CoreException {
assert file.getIndexFragment() == this;
((PDOMFile) file).clear(contextsRemoved);
fEvent.fClearedFiles.add(file.getLocation());
}
@Override
public void clear() throws CoreException {
super.clear();
}
@Override
public void flush() throws CoreException {
super.flush();
}
/*
* (non-Javadoc)
* @see org.eclipse.cdt.internal.core.index.IWritableIndexFragment#setProperty(java.lang.String, java.lang.String)
*/
public void setProperty(String propertyName, String value) throws CoreException {
if(IIndexFragment.PROPERTY_FRAGMENT_FORMAT_ID.equals(propertyName)
|| IIndexFragment.PROPERTY_FRAGMENT_FORMAT_VERSION.equals(propertyName)) {
throw new IllegalArgumentException("Property "+value+" may not be written to"); //$NON-NLS-1$ //$NON-NLS-2$
}
new DBProperties(db, PROPERTIES).setProperty(propertyName, value);
}
/**
* Use the specified location converter to update each internal representation of a file location.
* The file index is rebuilt with the new representations. Individual PDOMFile records are unmoved so
* as to maintain referential integrity with other PDOM records.
*
* <b>A write-lock must be obtained before calling this method</b>
*
* @param newConverter the converter to use to update internal file representations
* @throws CoreException
*/
public void rewriteLocations(final IIndexLocationConverter newConverter) throws CoreException {
final List<PDOMFile> pdomfiles = new ArrayList<PDOMFile>();
getFileIndex().accept(new IBTreeVisitor(){
public int compare(int record) throws CoreException {
return 0;
}
public boolean visit(int record) throws CoreException {
PDOMFile file = new PDOMFile(WritablePDOM.this, record);
pdomfiles.add(file);
return true;
}
});
clearFileIndex();
final List<PDOMFile> notConverted = new ArrayList<PDOMFile>();
for (PDOMFile file : pdomfiles) {
String internalFormat = newConverter.toInternalFormat(file.getLocation());
if(internalFormat!=null) {
file.setInternalLocation(internalFormat);
getFileIndex().insert(file.getRecord());
} else {
notConverted.add(file);
}
}
// remove content where converter returns null
for (PDOMFile file : notConverted) {
file.convertIncludersToUnresolved();
file.clear(null);
}
}
boolean isClearedBecauseOfVersionMismatch() {
return fClearedBecauseOfVersionMismatch;
}
void setClearedBecauseOfVersionMismatch(boolean clearedBecauseOfVersionMismatch) {
fClearedBecauseOfVersionMismatch = clearedBecauseOfVersionMismatch;
}
boolean isCreatedFromScratch() {
return fCreatedFromScratch;
}
void setCreatedFromScratch(boolean createdFromScratch) {
fCreatedFromScratch = createdFromScratch;
}
@Override
protected final boolean isPermanentlyReadOnly() {
return false;
}
public PDOMFile getFileForASTPath(int linkageID, String astPath) throws CoreException {
if (fPathResolver != null) {
if (astPath != null) {
return getFile(linkageID, fPathResolver.resolveASTPath(astPath));
}
}
return null;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.internal.core.index.IWritableIndexFragment#getDatabaseSizeBytes()
*/
public long getDatabaseSizeBytes() {
return getDB().getSizeBytes();
}
}
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