lib/Sema/SemaDeclObjC.cpp

476   NamedDecl *PrevDecl = LookupSingleName(TUScope, SuperName, SuperLoc,
479   if (!PrevDecl) {
489       PrevDecl = Corrected.getCorrectionDeclAs<ObjCInterfaceDecl>();
493   if (declaresSameEntity(PrevDecl, IDecl)) {
499     dyn_cast_or_null<ObjCInterfaceDecl>(PrevDecl);
508     if (PrevDecl && !SuperClassDecl) {
512           dyn_cast_or_null<TypedefNameDecl>(PrevDecl)) {
535         Diag(PrevDecl->getLocation(), diag::note_previous_definition);
539     if (!dyn_cast_or_null<TypedefNameDecl>(PrevDecl)) {
913   NamedDecl *PrevDecl = LookupSingleName(TUScope, ClassName, ClassLoc,
916   if (PrevDecl && !isa<ObjCInterfaceDecl>(PrevDecl)) {
918     Diag(PrevDecl->getLocation(), diag::note_previous_definition);
922   ObjCInterfaceDecl* PrevIDecl = dyn_cast_or_null<ObjCInterfaceDecl>(PrevDecl);
1135   ObjCProtocolDecl *PrevDecl = LookupProtocol(ProtocolName, ProtocolLoc,
1138   if (ObjCProtocolDecl *Def = PrevDecl? PrevDecl->getDefinition() : nullptr) {
1149                                      /*PrevDecl=*/nullptr);
1152     if (PrevDecl) {
1158               ProtocolName, ProtocolLoc, PrevDecl->getLocation(), PList);
1164                                      /*PrevDecl=*/PrevDecl);
1174   if (PrevDecl)
1175     mergeDeclAttributes(PDecl, PrevDecl);
1681     ObjCProtocolDecl *PrevDecl = LookupProtocol(Ident, IdentPair.second,
1686                                  PrevDecl);
1694     if (PrevDecl)
1695       mergeDeclAttributes(PDecl, PrevDecl);
1863   NamedDecl *PrevDecl
1866   if (PrevDecl && !isa<ObjCInterfaceDecl>(PrevDecl)) {
1868     Diag(PrevDecl->getLocation(), diag::note_previous_definition);
1869   } else if ((IDecl = dyn_cast_or_null<ObjCInterfaceDecl>(PrevDecl))) {
1896     PrevDecl = LookupSingleName(TUScope, SuperClassname, SuperClassLoc,
1898     if (PrevDecl && !isa<ObjCInterfaceDecl>(PrevDecl)) {
1901       Diag(PrevDecl->getLocation(), diag::note_previous_definition);
1903       SDecl = dyn_cast_or_null<ObjCInterfaceDecl>(PrevDecl);
1927                                       /*PrevDecl=*/nullptr, ClassLoc,
2927     NamedDecl *PrevDecl
2930     if (PrevDecl && !isa<ObjCInterfaceDecl>(PrevDecl)) {
2938       TypedefNameDecl *TDD = dyn_cast<TypedefNameDecl>(PrevDecl);
2941         Diag(PrevDecl->getLocation(), diag::note_previous_definition);
2950           Diag(PrevDecl->getLocation(), diag::note_previous_definition);
2958       = dyn_cast_or_null<ObjCInterfaceDecl>(PrevDecl);
4194       NamedDecl *PrevDecl = R.getFoundDecl();
4195       if (S->isDeclScope(PrevDecl)) {
4200         Diag(PrevDecl->getLocation(),