47     for (llvm::Record *Derived : Records.getAllDerivedDefinitions("NodeType"))  in Hierarchy()
48       if (llvm::Record *Base = Derived->getValueAsOptionalDef("base"))  in Hierarchy()
49         link(Derived, Base);  in Hierarchy()
51       llvm::sort(N.Derived, [](const NodeType *L, const NodeType *R) {  in Hierarchy()
56              N.Record->isSubClassOf("External") || N.Derived.empty());  in Hierarchy()
57       assert(!N.Record->isSubClassOf("Alternatives") || !N.Derived.empty());  in Hierarchy()
64     std::vector<const NodeType *> Derived;  member
74   // Traverse the hierarchy in pre-order (base classes before derived).
80     for (const NodeType *D : Start->Derived)  in visit()
93   void link(const llvm::Record *Derived, const llvm::Record *Base) {  in link()  argument
94     auto &CN = get(Derived->getName()), &PN = get(Base->getName());  in link()
96     PN.Derived.push_back(&CN);  in link()
105   return N.Derived.empty() ? N : firstConcrete(*N.Derived.front());  in firstConcrete()
108   return N.Derived.empty() ? N : lastConcrete(*N.Derived.back());  in lastConcrete()
152     if (N.Derived.empty())  in EmitClangSyntaxNodeList()
206                   N.Derived.empty() ? " final" : "", N.Base->name());  in EmitClangSyntaxNodeClasses()
209     if (N.Derived.empty())  in EmitClangSyntaxNodeClasses()