477   StateStack.push_back(inMapFirstKey);  in beginMapping()
488     if (StateStack.size() > 1) {  in mapTag()
489       auto &E = StateStack[StateStack.size() - 2];  in mapTag()
492     if (SequenceElement && StateStack.back() == inMapFirstKey) {  in mapTag()
501       if (StateStack.back() == inMapFirstKey) {  in mapTag()
502         StateStack.pop_back();  in mapTag()
503         StateStack.push_back(inMapOtherKey);  in mapTag()
515   if (StateStack.back() == inMapFirstKey) {  in endMapping()
521   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()
608   if (StateStack.back() == inSeqFirstElement) {  in postflightElement()
609     StateStack.pop_back();  in postflightElement()
610     StateStack.push_back(inSeqOtherElement);  in postflightElement()
611   } else if (StateStack.back() == inFlowSeqFirstElement) {  in postflightElement()
612     StateStack.pop_back();  in postflightElement()
613     StateStack.push_back(inFlowSeqOtherElement);  in postflightElement()
618   StateStack.push_back(inFlowSeqFirstElement);  in beginFlowSequence()
627   StateStack.pop_back();  in endFlowSequence()
741   if (!StateStack.empty())  in blockScalarString()
746   unsigned Indent = StateStack.empty() ? 1 : StateStack.size();  in blockScalarString()
775   if (StateStack.size() < 2)  in canElideEmptySequence()
777   if (StateStack.back() != inMapFirstKey)  in canElideEmptySequence()
779   return !inSeqAnyElement(StateStack[StateStack.size() - 2]);  in canElideEmptySequence()
789   if (StateStack.empty() || (!inFlowSeqAnyElement(StateStack.back()) &&  in outputUpToEndOfLine()
790                              !inFlowMapAnyKey(StateStack.back())))  in outputUpToEndOfLine()
812   if (StateStack.size() == 0 || EmptySequence)  in newLineCheck()
815   unsigned Indent = StateStack.size() - 1;  in newLineCheck()
818   if (StateStack.back() == inSeqFirstElement ||  in newLineCheck()
819       StateStack.back() == inSeqOtherElement) {  in newLineCheck()
821   } else if ((StateStack.size() > 1) &&  in newLineCheck()
822              ((StateStack.back() == inMapFirstKey) ||  in newLineCheck()
823               inFlowSeqAnyElement(StateStack.back()) ||  in newLineCheck()
824               (StateStack.back() == inFlowMapFirstKey)) &&  in newLineCheck()
825              inSeqAnyElement(StateStack[StateStack.size() - 2])) {  in newLineCheck()
849   if (StateStack.back() == inFlowMapOtherKey)  in flowKey()