494   StateStack.push_back(inMapFirstKey);  in beginMapping()
505     if (StateStack.size() > 1) {  in mapTag()
506       auto &E = StateStack[StateStack.size() - 2];  in mapTag()
509     if (SequenceElement && StateStack.back() == inMapFirstKey) {  in mapTag()
518       if (StateStack.back() == inMapFirstKey) {  in mapTag()
519         StateStack.pop_back();  in mapTag()
520         StateStack.push_back(inMapOtherKey);  in mapTag()
532   if (StateStack.back() == inMapFirstKey) {  in endMapping()
538   StateStack.pop_back();  in endMapping()
550     auto State = StateStack.back();  in preflightKey()
563   if (StateStack.back() == inMapFirstKey) {  in postflightKey()
564     StateStack.pop_back();  in postflightKey()
565     StateStack.push_back(inMapOtherKey);  in postflightKey()
566   } else if (StateStack.back() == inFlowMapFirstKey) {  in postflightKey()
567     StateStack.pop_back();  in postflightKey()
568     StateStack.push_back(inFlowMapOtherKey);  in postflightKey()
573   StateStack.push_back(inFlowMapFirstKey);  in beginFlowMapping()
580   StateStack.pop_back();  in endFlowMapping()
602   StateStack.push_back(inSeqFirstElement);  in beginSequence()
610   if (StateStack.back() == inSeqFirstElement) {  in endSequence()
616   StateStack.pop_back();  in endSequence()
625   if (StateStack.back() == inSeqFirstElement) {  in postflightElement()
626     StateStack.pop_back();  in postflightElement()
627     StateStack.push_back(inSeqOtherElement);  in postflightElement()
628   } else if (StateStack.back() == inFlowSeqFirstElement) {  in postflightElement()
629     StateStack.pop_back();  in postflightElement()
630     StateStack.push_back(inFlowSeqOtherElement);  in postflightElement()
635   StateStack.push_back(inFlowSeqFirstElement);  in beginFlowSequence()
644   StateStack.pop_back();  in endFlowSequence()
758   if (!StateStack.empty())  in blockScalarString()
763   unsigned Indent = StateStack.empty() ? 1 : StateStack.size();  in blockScalarString()
792   if (StateStack.size() < 2)  in canElideEmptySequence()
794   if (StateStack.back() != inMapFirstKey)  in canElideEmptySequence()
796   return !inSeqAnyElement(StateStack[StateStack.size() - 2]);  in canElideEmptySequence()
806   if (StateStack.empty() || (!inFlowSeqAnyElement(StateStack.back()) &&  in outputUpToEndOfLine()
807                              !inFlowMapAnyKey(StateStack.back())))  in outputUpToEndOfLine()
829   if (StateStack.size() == 0 || EmptySequence)  in newLineCheck()
832   unsigned Indent = StateStack.size() - 1;  in newLineCheck()
835   if (StateStack.back() == inSeqFirstElement ||  in newLineCheck()
836       StateStack.back() == inSeqOtherElement) {  in newLineCheck()
838   } else if ((StateStack.size() > 1) &&  in newLineCheck()
839              ((StateStack.back() == inMapFirstKey) ||  in newLineCheck()
840               inFlowSeqAnyElement(StateStack.back()) ||  in newLineCheck()
841               (StateStack.back() == inFlowMapFirstKey)) &&  in newLineCheck()
842              inSeqAnyElement(StateStack[StateStack.size() - 2])) {  in newLineCheck()
866   if (StateStack.back() == inFlowMapOtherKey)  in flowKey()