// returns list of resolved files if updated successfully, or null if write action or dumb mode
// started
private int[] processFile(
@NotNull final VirtualFile file, int fileId, @NotNull final ProgressIndicator indicator) {
final TIntHashSet forward;
try {
forward = calcForwardRefs(file, indicator);
} catch (IndexNotReadyException e) {
return null;
} catch (ApplicationUtil.CannotRunReadActionException e) {
return null;
} catch (ProcessCanceledException e) {
throw e;
} catch (Exception e) {
log(ExceptionUtil.getThrowableText(e));
flushLog();
return null;
}
int[] forwardIds = forward.toArray();
fileIsResolved.set(fileId);
logf(
" ---- " + file.getPresentableUrl() + " processed. forwardIds: " + toVfString(forwardIds));
for (Listener listener : myListeners) {
listener.fileResolved(file);
}
return forwardIds;
}
private void applyChildrenChangeEvents(VirtualFile parent, List<VFileEvent> events) {
final NewVirtualFileSystem delegate = getDelegate(parent);
TIntArrayList childrenIdsUpdated = new TIntArrayList();
List<VirtualFile> childrenToBeUpdated = new SmartList<VirtualFile>();
assert parent != null && parent != mySuperRoot;
final int parentId = getFileId(parent);
assert parentId != 0;
TIntHashSet parentChildrenIds = new TIntHashSet(FSRecords.list(parentId));
boolean hasRemovedChildren = false;
for (VFileEvent event : events) {
if (event instanceof VFileCreateEvent) {
String name = ((VFileCreateEvent) event).getChildName();
final VirtualFile fake = new FakeVirtualFile(parent, name);
final FileAttributes attributes = delegate.getAttributes(fake);
if (attributes != null) {
final int childId = createAndFillRecord(delegate, fake, parentId, attributes);
assert parent instanceof VirtualDirectoryImpl : parent;
final VirtualDirectoryImpl dir = (VirtualDirectoryImpl) parent;
VirtualFileSystemEntry child = dir.createChild(name, childId, dir.getFileSystem());
childrenToBeUpdated.add(child);
childrenIdsUpdated.add(childId);
parentChildrenIds.add(childId);
}
} else if (event instanceof VFileDeleteEvent) {
VirtualFile file = ((VFileDeleteEvent) event).getFile();
if (!file.exists()) {
LOG.error("Deleting a file, which does not exist: " + file.getPath());
continue;
}
hasRemovedChildren = true;
int id = getFileId(file);
childrenToBeUpdated.add(file);
childrenIdsUpdated.add(-id);
parentChildrenIds.remove(id);
}
}
FSRecords.updateList(parentId, parentChildrenIds.toArray());
if (hasRemovedChildren) clearIdCache();
VirtualDirectoryImpl parentImpl = (VirtualDirectoryImpl) parent;
for (int i = 0, len = childrenIdsUpdated.size(); i < len; ++i) {
final int childId = childrenIdsUpdated.get(i);
final VirtualFile childFile = childrenToBeUpdated.get(i);
if (childId > 0) {
parentImpl.addChild((VirtualFileSystemEntry) childFile);
} else {
FSRecords.deleteRecordRecursively(-childId);
parentImpl.removeChild(childFile);
invalidateSubtree(childFile);
}
}
}
@NotNull
private static List<VFileEvent> validateEvents(@NotNull List<VFileEvent> events) {
final List<EventWrapper> deletionEvents = ContainerUtil.newArrayList();
for (int i = 0, size = events.size(); i < size; i++) {
final VFileEvent event = events.get(i);
if (event instanceof VFileDeleteEvent && event.isValid()) {
deletionEvents.add(new EventWrapper((VFileDeleteEvent) event, i));
}
}
final TIntHashSet invalidIDs;
if (deletionEvents.isEmpty()) {
invalidIDs = EmptyIntHashSet.INSTANCE;
} else {
ContainerUtil.quickSort(deletionEvents, DEPTH_COMPARATOR);
invalidIDs = new TIntHashSet(deletionEvents.size());
final Set<VirtualFile> dirsToBeDeleted = new THashSet<VirtualFile>(deletionEvents.size());
nextEvent:
for (EventWrapper wrapper : deletionEvents) {
final VirtualFile candidate = wrapper.event.getFile();
VirtualFile parent = candidate;
while (parent != null) {
if (dirsToBeDeleted.contains(parent)) {
invalidIDs.add(wrapper.id);
continue nextEvent;
}
parent = parent.getParent();
}
if (candidate.isDirectory()) {
dirsToBeDeleted.add(candidate);
}
}
}
final List<VFileEvent> filtered = new ArrayList<VFileEvent>(events.size() - invalidIDs.size());
for (int i = 0, size = events.size(); i < size; i++) {
final VFileEvent event = events.get(i);
if (event.isValid() && !(event instanceof VFileDeleteEvent && invalidIDs.contains(i))) {
filtered.add(event);
}
}
return filtered;
}
private static void addIdAndSuperClasses(PsiFile file, @NotNull TIntHashSet forward) {
if (file instanceof PsiJavaFile
&& file.getName().equals("Object.class")
&& ((PsiJavaFile) file).getPackageName().equals("java.lang")) {
return;
}
VirtualFile virtualFile = PsiUtilCore.getVirtualFile(file);
if (virtualFile instanceof VirtualFileWithId
&& forward.add(getAbsId(virtualFile))
&& file instanceof PsiClassOwner) {
for (PsiClass aClass : ((PsiClassOwner) file).getClasses()) {
for (PsiClass superClass : aClass.getSupers()) {
addIdAndSuperClasses(superClass.getContainingFile(), forward);
}
}
}
}
@NotNull
private TIntHashSet calcForwardRefs(
@NotNull final VirtualFile virtualFile, @NotNull final ProgressIndicator indicator)
throws IndexNotReadyException, ApplicationUtil.CannotRunReadActionException {
final TIntHashSet forward = new TIntHashSet();
final PsiFile psiFile =
ApplicationUtil.tryRunReadAction(
() -> {
if (myProject.isDisposed()) throw new ProcessCanceledException();
if (fileCount.incrementAndGet() % 100 == 0) {
PsiManager.getInstance(myProject).dropResolveCaches();
try {
storage.flush();
log.flush();
} catch (IOException e) {
LOG.error(e);
}
}
return PsiManager.getInstance(myProject).findFile(virtualFile);
});
final int fileId = getAbsId(virtualFile);
if (psiFile != null) {
bytesSize.addAndGet(virtualFile.getLength());
final Set<PsiElement> resolved = new THashSet<PsiElement>();
ApplicationUtil.tryRunReadAction(
new Runnable() {
@Override
public void run() {
indicator.checkCanceled();
if (psiFile instanceof PsiJavaFile) {
psiFile.accept(
new JavaRecursiveElementWalkingVisitor() {
@Override
public void visitReferenceElement(PsiJavaCodeReferenceElement reference) {
indicator.checkCanceled();
resolveReference(reference, resolved);
super.visitReferenceElement(reference);
}
});
} else {
psiFile.accept(
new PsiRecursiveElementWalkingVisitor() {
@Override
public void visitElement(PsiElement element) {
for (PsiReference reference : element.getReferences()) {
indicator.checkCanceled();
resolveReference(reference, resolved);
}
super.visitElement(element);
}
});
}
indicator.checkCanceled();
for (PsiElement element : resolved) {
PsiFile file = element.getContainingFile();
addIdAndSuperClasses(file, forward);
}
}
});
}
forward.remove(fileId);
return forward;
}