Lines Matching refs:isNull
341 if (m_base.isNull() && m_extent.isNull())
343 else if (m_base.isNull()) {
346 } else if (m_extent.isNull()) {
400 if (end.isNull())
451 if (end.isNull())
472 if (m_start.isNull())
474 if (m_end.isNull())
480 if (m_start.isNull()) {
481 ASSERT(m_end.isNull());
528 ASSERT(!base.isNull());
529 ASSERT(!extent.isNull());
583 if (m_base.isNull() || m_start.isNull() || m_end.isNull())
602 if (m_base.isNull() || m_start.isNull() || m_end.isNull())
623 if (m_start.isNull()) {
634 if (m_end.isNull())
649 if (p.isNull() && shadowAncestor)
655 if (p.isNull() && shadowAncestor)
660 if (previous.isNull()) {
678 if (p.isNull() && shadowAncestor)
684 if (p.isNull() && shadowAncestor)
689 if (next.isNull()) {