1919   struct AttrClass {  struct
1920     const AttrClassDescriptor &Descriptor;
1921     Record *TheRecord;
1922     AttrClass *SuperClass = nullptr;
1923     std::vector<AttrClass*> SubClasses;
1924     std::vector<Record*> Attrs;
1926     AttrClass(const AttrClassDescriptor &Descriptor, Record *R)  in AttrClass()  function
1929     void emitDefaultDefines(raw_ostream &OS) const {  in emitDefaultDefines()
1937     void emitUndefs(raw_ostream &OS) const {  in emitUndefs()
1941     void emitAttrList(raw_ostream &OS) const {  in emitAttrList()
1949     void classifyAttrOnRoot(Record *Attr) {  in classifyAttrOnRoot()
1954     void emitAttrRange(raw_ostream &OS) const {  in emitAttrRange()
1961     bool classifyAttr(Record *Attr) {  in classifyAttr()
1977     Record *getFirstAttr() const {  in getFirstAttr()
1983     Record *getLastAttr() const {  in getLastAttr()