478   StateStack.push_back(inMapFirstKey);  in beginMapping()
489     if (StateStack.size() > 1) {  in mapTag()
490       auto &E = StateStack[StateStack.size() - 2];  in mapTag()
493     if (SequenceElement && StateStack.back() == inMapFirstKey) {  in mapTag()
502       if (StateStack.back() == inMapFirstKey) {  in mapTag()
503         StateStack.pop_back();  in mapTag()
504         StateStack.push_back(inMapOtherKey);  in mapTag()
516   if (StateStack.back() == inMapFirstKey) {  in endMapping()
522   StateStack.pop_back();  in endMapping()
533     auto State = StateStack.back();  in preflightKey()
546   if (StateStack.back() == inMapFirstKey) {  in postflightKey()
547     StateStack.pop_back();  in postflightKey()
548     StateStack.push_back(inMapOtherKey);  in postflightKey()
549   } else if (StateStack.back() == inFlowMapFirstKey) {  in postflightKey()
550     StateStack.pop_back();  in postflightKey()
551     StateStack.push_back(inFlowMapOtherKey);  in postflightKey()
556   StateStack.push_back(inFlowMapFirstKey);  in beginFlowMapping()
563   StateStack.pop_back();  in endFlowMapping()
585   StateStack.push_back(inSeqFirstElement);  in beginSequence()
593   if (StateStack.back() == inSeqFirstElement) {  in endSequence()
599   StateStack.pop_back();  in endSequence()
607   if (StateStack.back() == inSeqFirstElement) {  in postflightElement()
608     StateStack.pop_back();  in postflightElement()
609     StateStack.push_back(inSeqOtherElement);  in postflightElement()
610   } else if (StateStack.back() == inFlowSeqFirstElement) {  in postflightElement()
611     StateStack.pop_back();  in postflightElement()
612     StateStack.push_back(inFlowSeqOtherElement);  in postflightElement()
617   StateStack.push_back(inFlowSeqFirstElement);  in beginFlowSequence()
626   StateStack.pop_back();  in endFlowSequence()
739   if (!StateStack.empty())  in blockScalarString()
744   unsigned Indent = StateStack.empty() ? 1 : StateStack.size();  in blockScalarString()
773   if (StateStack.size() < 2)  in canElideEmptySequence()
775   if (StateStack.back() != inMapFirstKey)  in canElideEmptySequence()
777   return !inSeqAnyElement(StateStack[StateStack.size() - 2]);  in canElideEmptySequence()
787   if (StateStack.empty() || (!inFlowSeqAnyElement(StateStack.back()) &&  in outputUpToEndOfLine()
788                              !inFlowMapAnyKey(StateStack.back())))  in outputUpToEndOfLine()
810   if (StateStack.size() == 0 || EmptySequence)  in newLineCheck()
813   unsigned Indent = StateStack.size() - 1;  in newLineCheck()
816   if (StateStack.back() == inSeqFirstElement ||  in newLineCheck()
817       StateStack.back() == inSeqOtherElement) {  in newLineCheck()
819   } else if ((StateStack.size() > 1) &&  in newLineCheck()
820              ((StateStack.back() == inMapFirstKey) ||  in newLineCheck()
821               inFlowSeqAnyElement(StateStack.back()) ||  in newLineCheck()
822               (StateStack.back() == inFlowMapFirstKey)) &&  in newLineCheck()
823              inSeqAnyElement(StateStack[StateStack.size() - 2])) {  in newLineCheck()
847   if (StateStack.back() == inFlowMapOtherKey)  in flowKey()