3267   struct AttrClass {  struct
3268     const AttrClassDescriptor &Descriptor;
3269     Record *TheRecord;
3270     AttrClass *SuperClass = nullptr;
3271     std::vector<AttrClass*> SubClasses;
3272     std::vector<Record*> Attrs;
3274     AttrClass(const AttrClassDescriptor &Descriptor, Record *R)  in AttrClass()  function
3277     void emitDefaultDefines(raw_ostream &OS) const {  in emitDefaultDefines()
3285     void emitUndefs(raw_ostream &OS) const {  in emitUndefs()
3289     void emitAttrList(raw_ostream &OS) const {  in emitAttrList()
3297     void classifyAttrOnRoot(Record *Attr) {  in classifyAttrOnRoot()
3302     void emitAttrRange(raw_ostream &OS) const {  in emitAttrRange()
3309     bool classifyAttr(Record *Attr) {  in classifyAttr()
3325     Record *getFirstAttr() const {  in getFirstAttr()
3331     Record *getLastAttr() const {  in getLastAttr()