695     SubstitutionContext(DiagTextVisitor &Visitor, SubstitutionPiece *P)  in SubstitutionContext()
696         : Visitor(Visitor) {  in SubstitutionContext()
697       Substitution = Visitor.Builder.getSubstitution(P);  in SubstitutionContext()
698       OldMappings = std::move(Visitor.ModifierMappings);  in SubstitutionContext()
700           Visitor.getSubstitutionMappings(P, OldMappings);  in SubstitutionContext()
701       Visitor.ModifierMappings = std::move(NewMappings);  in SubstitutionContext()
705       Visitor.ModifierMappings = std::move(OldMappings);  in ~SubstitutionContext()
709     DiagTextVisitor &Visitor;  member
831       DiagTextDocPrinter Visitor{Builder, Lines};  in VisitMulti()  local
832       Visitor.ModifierMappings = NodePair.second;  in VisitMulti()
833       Visitor.Visit(NodePair.first);  in VisitMulti()