@Override
public void addFileContent(
IIndexFragmentFile sourceFile,
IncludeInformation[] includes,
IASTPreprocessorStatement[] macros,
IASTName[][] names,
ASTFilePathResolver pathResolver,
YieldableIndexLock lock)
throws CoreException, InterruptedException {
assert sourceFile.getIndexFragment() == this;
PDOMFile pdomFile = (PDOMFile) sourceFile;
pdomFile.addMacros(macros);
final ASTFilePathResolver origResolver = fPathResolver;
fPathResolver = pathResolver;
try {
pdomFile.addNames(names, lock);
} finally {
fPathResolver = origResolver;
}
// Includes expose the temporary file in the index, we must not yield the lock beyond this
// point.
pdomFile.addIncludesTo(includes);
final IIndexFileLocation location = pdomFile.getLocation();
if (location != null) {
fEvent.fClearedFiles.remove(location);
fEvent.fFilesWritten.add(location);
}
}
@Override
public boolean equals(Object obj) {
if (obj == this) return true;
if (obj instanceof PDOMFile) {
PDOMFile other = (PDOMFile) obj;
return fLinkage.getPDOM().equals(other.getLinkage().getPDOM()) && record == other.record;
}
return false;
}
/**
* Transfers names, macros and includes from another file to this one and deletes the other file.
*
* @param sourceFile the file to transfer the local bindings from.
* @throws CoreException
*/
public void replaceContentsFrom(PDOMFile sourceFile) throws CoreException {
// Delete current content
clear();
// Link in the using directives
setLastUsingDirective(sourceFile.getLastUsingDirectiveRec());
// Link in the includes, replace the owner.
PDOMInclude include = sourceFile.getFirstInclude();
setFirstInclude(include);
for (; include != null; include = include.getNextInIncludes()) {
include.setIncludedBy(this);
}
// In the unexpected case that there is an included by relation, append it.
transferIncluders(sourceFile);
// Link in the macros.
PDOMMacro macro = sourceFile.getFirstMacro();
setFirstMacro(macro);
for (; macro != null; macro = macro.getNextMacro()) {
macro.setFile(this);
}
// Link in macro references
PDOMMacroReferenceName mref = sourceFile.getFirstMacroReference();
setFirstMacroReference(mref);
for (; mref != null; mref = mref.getNextInFile()) {
mref.setFile(this);
}
// Replace all the names in this file
PDOMName name = sourceFile.getFirstName();
setFirstName(name);
for (; name != null; name = name.getNextInFile()) {
name.setFile(this);
}
setTimestamp(sourceFile.getTimestamp());
setSourceReadTime(sourceFile.getSourceReadTime());
setSizeAndEncodingHashcode(sourceFile.getSizeAndEncodingHashcode());
setContentsHash(sourceFile.getContentsHash());
// Transfer the flags.
Database db = fLinkage.getDB();
db.putByte(record + FLAGS, db.getByte(sourceFile.record + FLAGS));
// Transfer the replacement header.
db.putRecPtr(record + REPLACEMENT_HEADER, db.getRecPtr(sourceFile.record + REPLACEMENT_HEADER));
db.putRecPtr(sourceFile.record + REPLACEMENT_HEADER, 0);
// Delete the source file
sourceFile.delete();
}
@Override
public void clearUncommittedFile() throws CoreException {
if (uncommittedFile != null) {
try {
uncommittedFile.clear();
uncommittedFile.delete();
} finally {
uncommittedFile = null;
uncommittedKey = null;
fileBeingUpdated = null;
}
}
}
@Override
public boolean hasLastingDefinition(PDOMBinding binding) throws CoreException {
if (fileBeingUpdated == null) {
return binding.hasDefinition();
}
// Definitions in fileBeingUpdated will soon go away, so look for a definition elsewhere.
for (PDOMName name = binding.getFirstDefinition();
name != null;
name = name.getNextInBinding()) {
if (!fileBeingUpdated.getPDOM().equals(name.getPDOM())
|| fileBeingUpdated.getRecord() != name.getFileRecord()) {
return true;
}
}
return false;
}
@Override
public void transferContext(IIndexFragmentFile sourceFile) throws CoreException {
PDOMFile source = (PDOMFile) sourceFile;
PDOMInclude include = source.getFirstIncludedBy();
if (include != null) {
// Detach the include
final PDOMInclude next = include.getNextInIncludedBy();
include.setNextInIncludedBy(null);
source.setFirstIncludedBy(next);
if (next != null) next.setPrevInIncludedBy(null);
// Adjust the include
include.setIncludes(this);
// Insert the include
addIncludedBy(include, false);
}
}
public void addIncludesTo(IncludeInformation[] includeInfos) throws CoreException {
assert getFirstInclude() == null;
PDOMInclude lastInclude = null;
for (final IncludeInformation info : includeInfos) {
final PDOMFile targetFile = (PDOMFile) info.fTargetFile;
PDOMInclude pdomInclude = new PDOMInclude(fLinkage, info.fStatement, this, targetFile);
assert targetFile == null || targetFile.getIndexFragment() instanceof IWritableIndexFragment;
if (targetFile != null) {
targetFile.addIncludedBy(pdomInclude, info.fIsContext);
}
if (lastInclude == null) {
setFirstInclude(pdomInclude);
} else {
lastInclude.setNextInIncludes(pdomInclude);
}
lastInclude = pdomInclude;
}
}
@Override
public void transferIncluders(IIndexFragmentFile sourceFile) throws CoreException {
PDOMFile source = (PDOMFile) sourceFile;
PDOMInclude include = source.getFirstIncludedBy();
if (include != null) {
// Detach the includes
source.setFirstIncludedBy(null);
// Adjust the includes
for (PDOMInclude i = include; i != null; i = i.getNextInIncludedBy()) {
i.setIncludes(this);
}
// Append the includes
PDOMInclude last = getFirstIncludedBy();
if (last == null) {
setFirstIncludedBy(include);
} else {
for (PDOMInclude i = last; i != null; i = i.getNextInIncludedBy()) {
last = i;
}
last.setNextInIncludedBy(include);
include.setPrevInIncludedBy(last);
}
}
}
public PDOMMacroReferenceName(
PDOMLinkage linkage, IASTName name, PDOMFile file, PDOMMacroContainer container)
throws CoreException {
this.linkage = linkage;
Database db = linkage.getDB();
record = db.malloc(RECORD_SIZE);
db.putRecPtr(record + CONTAINER_REC_OFFSET, container.getRecord());
db.putRecPtr(record + FILE_REC_OFFSET, file.getRecord());
// Record our location in the file
IASTFileLocation fileloc = name.getFileLocation();
db.putInt(record + NODE_OFFSET_OFFSET, fileloc.getNodeOffset());
db.putShort(record + NODE_LENGTH_OFFSET, (short) fileloc.getNodeLength());
container.addReference(this);
}
@Override
public void clearFile(IIndexFragmentFile file) throws CoreException {
assert file.getIndexFragment() == this;
IIndexFileLocation location = file.getLocation();
PDOMFile pdomFile = (PDOMFile) file;
pdomFile.clear();
IIndexInclude include = pdomFile.getParsedInContext();
if (include != null) {
PDOMFile includedBy = (PDOMFile) include.getIncludedBy();
if (includedBy.getTimestamp() > 0)
getIndexOfFilesWithUnresolvedIncludes().insert(includedBy.getRecord());
}
fEvent.fClearedFiles.add(location);
}
/**
* Uses 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.
*
* <p><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() {
@Override
public int compare(long record) throws CoreException {
return 0;
}
@Override
public boolean visit(long record) throws CoreException {
PDOMFile file = PDOMFile.recreateFile(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();
}
}
void setFile(PDOMFile file) throws CoreException {
linkage.getDB().putRecPtr(record + FILE_REC_OFFSET, file != null ? file.getRecord() : 0);
}
@Override
public IIndexFragmentFile commitUncommittedFile() throws CoreException {
if (uncommittedFile == null) return null;
int defectiveStateChange = uncommittedFile.getTimestamp() == 0 ? 1 : 0;
int unresolvedIncludeStateChange = uncommittedFile.hasUnresolvedInclude() ? 1 : 0;
PDOMFile file;
if (fileBeingUpdated == null) {
// New file, insert it into the index.
file = uncommittedFile;
getFileIndex().insert(file.getRecord());
} else {
// Existing file.
if (fileBeingUpdated.getTimestamp() == 0) defectiveStateChange -= 1;
if (fileBeingUpdated.hasUnresolvedInclude()) unresolvedIncludeStateChange -= 1;
fileBeingUpdated.replaceContentsFrom(uncommittedFile);
file = fileBeingUpdated;
fileBeingUpdated = null;
}
if (defectiveStateChange > 0) {
getIndexOfDefectiveFiles().insert(file.getRecord());
} else if (defectiveStateChange < 0) {
getIndexOfDefectiveFiles().delete(file.getRecord());
}
if (unresolvedIncludeStateChange > 0) {
getIndexOfFilesWithUnresolvedIncludes().insert(file.getRecord());
} else if (unresolvedIncludeStateChange < 0) {
getIndexOfFilesWithUnresolvedIncludes().delete(file.getRecord());
}
fEvent.fFilesWritten.add(uncommittedKey.getLocation());
uncommittedFile = null;
uncommittedKey = null;
return file;
}
@Override
protected boolean isCommitted(PDOMMacroReferenceName name) throws CoreException {
return uncommittedFile == null
|| !uncommittedFile.getPDOM().equals(name.getPDOM())
|| uncommittedFile.getRecord() != name.getFileRecord();
}