75       if (isa<ObjCProtocolDecl>(method->getDeclContext())) {  in checkInitMethod()
129                              const ObjCProtocolDecl *PD, Sema &S) {  in diagnoseNoescape()
527                                    ObjCProtocolDecl *const *ProtoRefs,  in diagnoseUseOfProtocols()
1095     diagnoseUseOfProtocols(*this, IDecl, (ObjCProtocolDecl*const*)ProtoRefs,  in ActOnStartClassInterface()
1097     IDecl->setProtocolList((ObjCProtocolDecl*const*)ProtoRefs, NumProtoRefs,  in ActOnStartClassInterface()
1188   const ObjCList<ObjCProtocolDecl> &PList) {  in CheckForwardProtocolDeclarationForCircularDependency()
1191   for (ObjCList<ObjCProtocolDecl>::iterator I = PList.begin(),  in CheckForwardProtocolDeclarationForCircularDependency()
1193     if (ObjCProtocolDecl *PDecl = LookupProtocol((*I)->getIdentifier(),  in CheckForwardProtocolDeclarationForCircularDependency()
1212 ObjCProtocolDecl *Sema::ActOnStartProtocolInterface(  in ActOnStartProtocolInterface()
1220   ObjCProtocolDecl *PrevDecl = LookupProtocol(ProtocolName, ProtocolLoc,  in ActOnStartProtocolInterface()
1222   ObjCProtocolDecl *PDecl = nullptr;  in ActOnStartProtocolInterface()
1223   if (ObjCProtocolDecl *Def = PrevDecl? PrevDecl->getDefinition() : nullptr) {  in ActOnStartProtocolInterface()
1232     PDecl = ObjCProtocolDecl::Create(Context, CurContext, ProtocolName,  in ActOnStartProtocolInterface()
1245       ObjCList<ObjCProtocolDecl> PList;  in ActOnStartProtocolInterface()
1246       PList.set((ObjCProtocolDecl *const*)ProtoRefs, NumProtoRefs, Context);  in ActOnStartProtocolInterface()
1252     PDecl = ObjCProtocolDecl::Create(Context, CurContext, ProtocolName,  in ActOnStartProtocolInterface()
1269     diagnoseUseOfProtocols(*this, PDecl, (ObjCProtocolDecl*const*)ProtoRefs,  in ActOnStartProtocolInterface()
1271     PDecl->setProtocolList((ObjCProtocolDecl*const*)ProtoRefs, NumProtoRefs,  in ActOnStartProtocolInterface()
1280 static bool NestedProtocolHasNoDefinition(ObjCProtocolDecl *PDecl,  in NestedProtocolHasNoDefinition()
1281                                           ObjCProtocolDecl *&UndefinedProtocol) {  in NestedProtocolHasNoDefinition()
1304     ObjCProtocolDecl *PDecl = LookupProtocol(Pair.first, Pair.second);  in FindProtocolDeclaration()
1306       DeclFilterCCC<ObjCProtocolDecl> CCC{};  in FindProtocolDeclaration()
1310       if ((PDecl = Corrected.getCorrectionDeclAs<ObjCProtocolDecl>()))  in FindProtocolDeclaration()
1332     ObjCProtocolDecl *UndefinedProtocol;  in FindProtocolDeclaration()
1359       if (candidate.getCorrectionDeclAs<ObjCProtocolDecl>())  in ValidateCandidate()
1454       ObjCProtocolDecl *&proto  in actOnObjCTypeArgsOrProtocolQualifiers()
1455         = reinterpret_cast<ObjCProtocolDecl *&>(protocols[i]);  in actOnObjCTypeArgsOrProtocolQualifiers()
1469       ObjCProtocolDecl *forwardDecl = nullptr;  in actOnObjCTypeArgsOrProtocolQualifiers()
1502       llvm::SmallPtrSet<ObjCProtocolDecl*, 8> knownProtocols;  in actOnObjCTypeArgsOrProtocolQualifiers()
1506         if (knownProtocols.count(static_cast<ObjCProtocolDecl *>(proto)) == 0) {  in actOnObjCTypeArgsOrProtocolQualifiers()
1527     ObjCProtocolDecl *proto = LookupProtocol(identifiers[i], identifierLocs[i]);  in actOnObjCTypeArgsOrProtocolQualifiers()
1694       if (auto proto = corrected.getCorrectionDeclAs<ObjCProtocolDecl>()) {  in actOnObjCTypeArgsOrProtocolQualifiers()
1782     ObjCProtocolDecl *PrevDecl = LookupProtocol(Ident, IdentPair.second,  in ActOnForwardProtocolDeclaration()
1784     ObjCProtocolDecl *PDecl  in ActOnForwardProtocolDeclaration()
1785       = ObjCProtocolDecl::Create(Context, CurContext, Ident,  in ActOnForwardProtocolDeclaration()
1884     diagnoseUseOfProtocols(*this, CDecl, (ObjCProtocolDecl*const*)ProtoRefs,  in ActOnStartCategoryInterface()
1886     CDecl->setProtocolList((ObjCProtocolDecl*const*)ProtoRefs, NumProtoRefs,  in ActOnStartCategoryInterface()
1890      IDecl->mergeClassExtensionProtocolList((ObjCProtocolDecl*const*)ProtoRefs,  in ActOnStartCategoryInterface()
2671 static void findProtocolsWithExplicitImpls(const ObjCProtocolDecl *PDecl,  in findProtocolsWithExplicitImpls()
2696     Sema &S, ObjCImplDecl *Impl, ObjCProtocolDecl *PDecl, bool &IncompleteImpl,  in CheckProtocolMethodDefs()
2853                                       isa<ObjCProtocolDecl>(CDecl));  in MatchAllMethodDeclarations()
2855           WarnExactTypedMethods(ImpMethodDecl, I, isa<ObjCProtocolDecl>(CDecl));  in MatchAllMethodDeclarations()
2882                                       isa<ObjCProtocolDecl>(CDecl));  in MatchAllMethodDeclarations()
2884           WarnExactTypedMethods(ImpMethodDecl, I, isa<ObjCProtocolDecl>(CDecl));  in MatchAllMethodDeclarations()
2889   if (ObjCProtocolDecl *PD = dyn_cast<ObjCProtocolDecl> (CDecl)) {  in MatchAllMethodDeclarations()
3291   auto *MethodProtocol = dyn_cast<ObjCProtocolDecl>(Method->getDeclContext());  in isMethodContextSameForKindofLookup()
3293       dyn_cast<ObjCProtocolDecl>(MethodInList->getDeclContext());  in isMethodContextSameForKindofLookup()
3484   auto *MethodProtocol = dyn_cast<ObjCProtocolDecl>(Method->getDeclContext());  in FilterMethodsByTypeBound()
3924     Sema &S, ObjCProtocolDecl *PDecl, ObjCCategoryDecl *CDecl);
3934     Sema &S, ObjCProtocolDecl *PDecl, ObjCCategoryDecl *CDecl) {  in DiagnoseCategoryDirectMembersProtocolConformance()
3985          || isa<ObjCProtocolDecl>(ClassDecl);  in ActOnAtEnd()
4333   void searchFrom(const ObjCProtocolDecl *protocol) {  in searchFrom()
4425         << isa<ObjCProtocolDecl>(overridden->getDeclContext());  in CheckObjCMethodDirectOverrides()
4445       if (isa<ObjCProtocolDecl>(overridden->getDeclContext()) ||  in CheckObjCMethodOverrides()
4471                 if (isa<ObjCProtocolDecl>(SuperOverridden->getDeclContext()) ||  in CheckObjCMethodOverrides()
4499               isa<ObjCProtocolDecl>(overridden->getDeclContext()));  in CheckObjCMethodOverrides()
4962     if (!isa<ObjCProtocolDecl>(ClassDecl)) {  in ActOnMethodDeclaration()