@Override
@SuppressWarnings({"CloneDoesntDeclareCloneNotSupportedException", "CloneDoesntCallSuperClone"})
protected PsiFileImpl clone() {
FileViewProvider viewProvider = getViewProvider();
FileViewProvider providerCopy = viewProvider.clone();
final Language language = getLanguage();
if (providerCopy == null) {
throw new AssertionError(
"Unable to clone the view provider: " + viewProvider + "; " + language);
}
PsiFileImpl clone = BlockSupportImpl.getFileCopy(this, providerCopy);
copyCopyableDataTo(clone);
if (getTreeElement() != null) {
// not set by provider in clone
final FileElement treeClone = (FileElement) calcTreeElement().clone();
clone.setTreeElementPointer(
treeClone); // should not use setTreeElement here because cloned file still have
// VirtualFile (SCR17963)
treeClone.setPsi(clone);
}
if (viewProvider.isEventSystemEnabled()) {
clone.myOriginalFile = this;
} else if (myOriginalFile != null) {
clone.myOriginalFile = myOriginalFile;
}
return clone;
}
@Override
public boolean isValid() {
FileViewProvider provider = getViewProvider();
final VirtualFile vFile = provider.getVirtualFile();
if (!vFile.isValid()) return false;
if (!provider.isEventSystemEnabled()) return true; // "dummy" file
if (myManager.getProject().isDisposed()) return false;
return isPsiUpToDate(vFile);
}