public final int getStartOffsetInParent() {
if (myParent == null) return -1;
int offsetInParent = myStartOffsetInParent;
if (offsetInParent != -1) return offsetInParent;
synchronized (START_OFFSET_LOCK) {
TreeElement cur = this;
offsetInParent = myStartOffsetInParent;
if (offsetInParent != -1) return offsetInParent;
ApplicationManager.getApplication().assertReadAccessAllowed();
while (true) {
TreeElement prev = cur.getTreePrev();
if (prev == null) break;
cur = prev;
offsetInParent = cur.myStartOffsetInParent;
if (offsetInParent != -1) break;
}
if (offsetInParent == -1) {
cur.myStartOffsetInParent = offsetInParent = 0;
}
while (cur != this) {
TreeElement next = cur.getTreeNext();
offsetInParent += cur.getTextLength();
next.myStartOffsetInParent = offsetInParent;
cur = next;
}
return offsetInParent;
}
}
protected static void clearRelativeOffsets(TreeElement element) {
TreeElement cur = element;
while (cur != null && cur.myStartOffsetInParent != -1) {
cur.myStartOffsetInParent = -1;
cur = cur.getTreeNext();
}
}
@Override
public Object clone() {
TreeElement clone = (TreeElement) super.clone();
synchronized (PsiLock.LOCK) {
clone.myNextSibling = null;
clone.myPrevSibling = null;
clone.myParent = null;
clone.myStartOffsetInParent = -1;
}
return clone;
}