77   : ExternalSource(nullptr),  in Sema()
282     delete ExternalSource;  in ~Sema()
329   if (!ExternalSource) {  in addExternalSource()
330     ExternalSource = E;  in addExternalSource()
335     static_cast<MultiplexExternalSemaSource*>(ExternalSource)->addSource(*E);  in addExternalSource()
337     ExternalSource = new MultiplexExternalSemaSource(*ExternalSource, *E);  in addExternalSource()
546   if (!ExternalSource)  in LoadExternalWeakUndeclaredIdentifiers()
550   ExternalSource->ReadWeakUndeclaredIdentifiers(WeakIDs);  in LoadExternalWeakUndeclaredIdentifiers()
636   if (ExternalSource)  in emitAndClearUnusedLocalTypedefWarnings()
637     ExternalSource->ReadUnusedLocalTypedefNameCandidates(  in emitAndClearUnusedLocalTypedefWarnings()
679     if (ExternalSource) {  in ActOnEndOfTranslationUnit()
682       ExternalSource->ReadPendingInstantiations(Pending);  in ActOnEndOfTranslationUnit()
739     if (ExternalSource)  in ActOnEndOfTranslationUnit()
740       ExternalSource->ReadUndefinedButUsed(UndefinedButUsed);  in ActOnEndOfTranslationUnit()
790             T = TentativeDefinitions.begin(ExternalSource),  in ActOnEndOfTranslationUnit()
827            I = UnusedFileScopedDecls.begin(ExternalSource),  in ActOnEndOfTranslationUnit()
896     if (ExternalSource)  in ActOnEndOfTranslationUnit()
897       ExternalSource->ReadMismatchingDeleteExpressions(DeleteExprs);  in ActOnEndOfTranslationUnit()