287   static void mapping(IO &IO, ExportSection &Section) {  in mapping()
288     const auto *Ctx = reinterpret_cast<TextAPIContext *>(IO.getContext());  in mapping()
292     IO.mapRequired("archs", Section.Architectures);  in mapping()
294       IO.mapOptional("allowed-clients", Section.AllowableClients);  in mapping()
296       IO.mapOptional("allowable-clients", Section.AllowableClients);  in mapping()
297     IO.mapOptional("re-exports", Section.ReexportedLibraries);  in mapping()
298     IO.mapOptional("symbols", Section.Symbols);  in mapping()
299     IO.mapOptional("objc-classes", Section.Classes);  in mapping()
301       IO.mapOptional("objc-eh-types", Section.ClassEHs);  in mapping()
302     IO.mapOptional("objc-ivars", Section.IVars);  in mapping()
303     IO.mapOptional("weak-def-symbols", Section.WeakDefSymbols);  in mapping()
304     IO.mapOptional("thread-local-symbols", Section.TLVSymbols);  in mapping()
309   static void mapping(IO &IO, UndefinedSection &Section) {  in mapping()
310     const auto *Ctx = reinterpret_cast<TextAPIContext *>(IO.getContext());  in mapping()
314     IO.mapRequired("archs", Section.Architectures);  in mapping()
315     IO.mapOptional("symbols", Section.Symbols);  in mapping()
316     IO.mapOptional("objc-classes", Section.Classes);  in mapping()
318       IO.mapOptional("objc-eh-types", Section.ClassEHs);  in mapping()
319     IO.mapOptional("objc-ivars", Section.IVars);  in mapping()
320     IO.mapOptional("weak-ref-symbols", Section.WeakRefSymbols);  in mapping()
325   static void mapping(IO &IO, SymbolSection &Section) {  in mapping()
326     IO.mapRequired("targets", Section.Targets);  in mapping()
327     IO.mapOptional("symbols", Section.Symbols);  in mapping()
328     IO.mapOptional("objc-classes", Section.Classes);  in mapping()
329     IO.mapOptional("objc-eh-types", Section.ClassEHs);  in mapping()
330     IO.mapOptional("objc-ivars", Section.Ivars);  in mapping()
331     IO.mapOptional("weak-symbols", Section.WeakSymbols);  in mapping()
332     IO.mapOptional("thread-local-symbols", Section.TlvSymbols);  in mapping()
337   static void mapping(IO &IO, UmbrellaSection &Section) {  in mapping()
338     IO.mapRequired("targets", Section.Targets);  in mapping()
339     IO.mapRequired("umbrella", Section.Umbrella);  in mapping()
344   static void mapping(IO &IO, UUIDv4 &UUID) {  in mapping()
345     IO.mapRequired("target", UUID.TargetID);  in mapping()
346     IO.mapRequired("value", UUID.Value);  in mapping()
352   static void mapping(IO &IO, MetadataSection &Section,  in mapping()
354     IO.mapRequired("targets", Section.Targets);  in mapping()
357       IO.mapRequired("clients", Section.Values);  in mapping()
360       IO.mapRequired("libraries", Section.Values);  in mapping()
368   static void bitset(IO &IO, TBDFlags &Flags) {  in bitset()
369     IO.bitSetCase(Flags, "flat_namespace", TBDFlags::FlatNamespace);  in bitset()
370     IO.bitSetCase(Flags, "not_app_extension_safe",  in bitset()
372     IO.bitSetCase(Flags, "installapi", TBDFlags::InstallAPI);  in bitset()
437     explicit NormalizedTBD(IO &IO) {}  in NormalizedTBD()
438     NormalizedTBD(IO &IO, const InterfaceFile *&File) {  in NormalizedTBD()
612     const InterfaceFile *denormalize(IO &IO) {  in denormalize()
613       auto Ctx = reinterpret_cast<TextAPIContext *>(IO.getContext());  in denormalize()
745   static void setFileTypeForInput(TextAPIContext *Ctx, IO &IO) {  in setFileTypeForInput()
746     if (IO.mapTag("!tapi-tbd", false))  in setFileTypeForInput()
748     else if (IO.mapTag("!tapi-tbd-v3", false))  in setFileTypeForInput()
750     else if (IO.mapTag("!tapi-tbd-v2", false))  in setFileTypeForInput()
752     else if (IO.mapTag("!tapi-tbd-v1", false) ||  in setFileTypeForInput()
753              IO.mapTag("tag:yaml.org,2002:map", false))  in setFileTypeForInput()
761   static void mapping(IO &IO, const InterfaceFile *&File) {  in mapping()
762     auto *Ctx = reinterpret_cast<TextAPIContext *>(IO.getContext());  in mapping()
763     assert((!Ctx || !IO.outputting() ||  in mapping()
767     if (!IO.outputting()) {  in mapping()
768       setFileTypeForInput(Ctx, IO);  in mapping()
773         mapKeysToValuesV4(IO, File);  in mapping()
776         IO.setError("unsupported file type");  in mapping()
785         mapKeysToValuesV4(IO, File);  in mapping()
788         IO.mapTag("!tapi-tbd-v3", true);  in mapping()
791         IO.mapTag("!tapi-tbd-v2", true);  in mapping()
798     mapKeysToValues(Ctx->FileKind, IO, File);  in mapping()
803     explicit NormalizedTBD_V4(IO &IO) {}  in NormalizedTBD_V4()
804     NormalizedTBD_V4(IO &IO, const InterfaceFile *&File) {  in NormalizedTBD_V4()
805       auto Ctx = reinterpret_cast<TextAPIContext *>(IO.getContext());  in NormalizedTBD_V4()
907     const InterfaceFile *denormalize(IO &IO) {  in denormalize()
908       auto Ctx = reinterpret_cast<TextAPIContext *>(IO.getContext());  in denormalize()
1021   static void mapKeysToValues(FileType FileKind, IO &IO,  in mapKeysToValues()
1023     MappingNormalization<NormalizedTBD, const InterfaceFile *> Keys(IO, File);  in mapKeysToValues()
1024     IO.mapRequired("archs", Keys->Architectures);  in mapKeysToValues()
1026       IO.mapOptional("uuids", Keys->UUIDs);  in mapKeysToValues()
1027     IO.mapRequired("platform", Keys->Platforms);  in mapKeysToValues()
1029       IO.mapOptional("flags", Keys->Flags, TBDFlags::None);  in mapKeysToValues()
1030     IO.mapRequired("install-name", Keys->InstallName);  in mapKeysToValues()
1031     IO.mapOptional("current-version", Keys->CurrentVersion,  in mapKeysToValues()
1033     IO.mapOptional("compatibility-version", Keys->CompatibilityVersion,  in mapKeysToValues()
1036       IO.mapOptional("swift-version", Keys->SwiftABIVersion, SwiftVersion(0));  in mapKeysToValues()
1038       IO.mapOptional("swift-abi-version", Keys->SwiftABIVersion,  in mapKeysToValues()
1040     IO.mapOptional("objc-constraint", Keys->ObjCConstraint,  in mapKeysToValues()
1045       IO.mapOptional("parent-umbrella", Keys->ParentUmbrella, StringRef());  in mapKeysToValues()
1046     IO.mapOptional("exports", Keys->Exports);  in mapKeysToValues()
1048       IO.mapOptional("undefineds", Keys->Undefineds);  in mapKeysToValues()
1051   static void mapKeysToValuesV4(IO &IO, const InterfaceFile *&File) {  in mapKeysToValuesV4()
1052     MappingNormalization<NormalizedTBD_V4, const InterfaceFile *> Keys(IO,  in mapKeysToValuesV4()
1054     IO.mapTag("!tapi-tbd", true);  in mapKeysToValuesV4()
1055     IO.mapRequired("tbd-version", Keys->TBDVersion);  in mapKeysToValuesV4()
1056     IO.mapRequired("targets", Keys->Targets);  in mapKeysToValuesV4()
1057     IO.mapOptional("uuids", Keys->UUIDs);  in mapKeysToValuesV4()
1058     IO.mapOptional("flags", Keys->Flags, TBDFlags::None);  in mapKeysToValuesV4()
1059     IO.mapRequired("install-name", Keys->InstallName);  in mapKeysToValuesV4()
1060     IO.mapOptional("current-version", Keys->CurrentVersion,  in mapKeysToValuesV4()
1062     IO.mapOptional("compatibility-version", Keys->CompatibilityVersion,  in mapKeysToValuesV4()
1064     IO.mapOptional("swift-abi-version", Keys->SwiftABIVersion, SwiftVersion(0));  in mapKeysToValuesV4()
1065     IO.mapOptional("parent-umbrella", Keys->ParentUmbrellas);  in mapKeysToValuesV4()
1067     IO.mapOptionalWithContext("allowable-clients", Keys->AllowableClients,  in mapKeysToValuesV4()
1070     IO.mapOptionalWithContext("reexported-libraries", Keys->ReexportedLibraries,  in mapKeysToValuesV4()
1072     IO.mapOptional("exports", Keys->Exports);  in mapKeysToValuesV4()
1073     IO.mapOptional("reexports", Keys->Reexports);  in mapKeysToValuesV4()
1074     IO.mapOptional("undefineds", Keys->Undefineds);  in mapKeysToValuesV4()
1080   static size_t size(IO &IO, std::vector<const MachO::InterfaceFile *> &Seq) {  in size()
1084   element(IO &IO, std::vector<const InterfaceFile *> &Seq, size_t Index) {  in element()