/*===- TableGen'erated file -------------------------------------*- C++ -*-===*\
|*                                                                            *|
|* Helper classes for BasicReaders                                            *|
|*                                                                            *|
|* Automatically generated file, do not edit!                                 *|
|*                                                                            *|
\*===----------------------------------------------------------------------===*/

template <class ValueType>
struct ReadDispatcher;
template <>
struct ReadDispatcher<llvm::APInt> {
  template <class BasicReader, class... Args>
  static llvm::APInt read(BasicReader &R, Args &&... args) {
    return R.readAPInt(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<llvm::APSInt> {
  template <class BasicReader, class... Args>
  static llvm::APSInt read(BasicReader &R, Args &&... args) {
    return R.readAPSInt(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<ArrayType::ArraySizeModifier> {
  template <class BasicReader, class... Args>
  static ArrayType::ArraySizeModifier read(BasicReader &R, Args &&... args) {
    return R.readArraySizeModifier(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<attr::Kind> {
  template <class BasicReader, class... Args>
  static attr::Kind read(BasicReader &R, Args &&... args) {
    return R.readAttrKind(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<AutoTypeKeyword> {
  template <class BasicReader, class... Args>
  static AutoTypeKeyword read(BasicReader &R, Args &&... args) {
    return R.readAutoTypeKeyword(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<bool> {
  template <class BasicReader, class... Args>
  static bool read(BasicReader &R, Args &&... args) {
    return R.readBool(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<BuiltinType::Kind> {
  template <class BasicReader, class... Args>
  static BuiltinType::Kind read(BasicReader &R, Args &&... args) {
    return R.readBuiltinTypeKind(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<CXXRecordDecl*> {
  template <class BasicReader, class... Args>
  static CXXRecordDecl* read(BasicReader &R, Args &&... args) {
    return R.readCXXRecordDeclRef(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<CallingConv> {
  template <class BasicReader, class... Args>
  static CallingConv read(BasicReader &R, Args &&... args) {
    return R.readCallingConv(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<ConceptDecl*> {
  template <class BasicReader, class... Args>
  static ConceptDecl* read(BasicReader &R, Args &&... args) {
    return R.readConceptDeclRef(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<Decl*> {
  template <class BasicReader, class... Args>
  static Decl* read(BasicReader &R, Args &&... args) {
    return R.readDeclRef(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<DeclarationName> {
  template <class BasicReader, class... Args>
  static DeclarationName read(BasicReader &R, Args &&... args) {
    return R.readDeclarationName(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<DeclarationName::NameKind> {
  template <class BasicReader, class... Args>
  static DeclarationName::NameKind read(BasicReader &R, Args &&... args) {
    return R.readDeclarationNameKind(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<ElaboratedTypeKeyword> {
  template <class BasicReader, class... Args>
  static ElaboratedTypeKeyword read(BasicReader &R, Args &&... args) {
    return R.readElaboratedTypeKeyword(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<FunctionProtoType::ExceptionSpecInfo> {
  template <class BasicReader, class... Args>
  static FunctionProtoType::ExceptionSpecInfo read(BasicReader &R, Args &&... args) {
    return R.readExceptionSpecInfo(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<Expr*> {
  template <class BasicReader, class... Args>
  static Expr* read(BasicReader &R, Args &&... args) {
    return R.readExprRef(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<FunctionProtoType::ExtParameterInfo> {
  template <class BasicReader, class... Args>
  static FunctionProtoType::ExtParameterInfo read(BasicReader &R, Args &&... args) {
    return R.readExtParameterInfo(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<FunctionDecl*> {
  template <class BasicReader, class... Args>
  static FunctionDecl* read(BasicReader &R, Args &&... args) {
    return R.readFunctionDeclRef(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<IdentifierInfo*> {
  template <class BasicReader, class... Args>
  static IdentifierInfo* read(BasicReader &R, Args &&... args) {
    return R.readIdentifier(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<NamedDecl*> {
  template <class BasicReader, class... Args>
  static NamedDecl* read(BasicReader &R, Args &&... args) {
    return R.readNamedDeclRef(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<NamespaceAliasDecl*> {
  template <class BasicReader, class... Args>
  static NamespaceAliasDecl* read(BasicReader &R, Args &&... args) {
    return R.readNamespaceAliasDeclRef(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<NamespaceDecl*> {
  template <class BasicReader, class... Args>
  static NamespaceDecl* read(BasicReader &R, Args &&... args) {
    return R.readNamespaceDeclRef(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<NestedNameSpecifier *> {
  template <class BasicReader, class... Args>
  static NestedNameSpecifier * read(BasicReader &R, Args &&... args) {
    return R.readNestedNameSpecifier(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<NestedNameSpecifier::SpecifierKind> {
  template <class BasicReader, class... Args>
  static NestedNameSpecifier::SpecifierKind read(BasicReader &R, Args &&... args) {
    return R.readNestedNameSpecifierKind(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<ObjCProtocolDecl*> {
  template <class BasicReader, class... Args>
  static ObjCProtocolDecl* read(BasicReader &R, Args &&... args) {
    return R.readObjCProtocolDeclRef(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<ObjCTypeParamDecl*> {
  template <class BasicReader, class... Args>
  static ObjCTypeParamDecl* read(BasicReader &R, Args &&... args) {
    return R.readObjCTypeParamDeclRef(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<OverloadedOperatorKind> {
  template <class BasicReader, class... Args>
  static OverloadedOperatorKind read(BasicReader &R, Args &&... args) {
    return R.readOverloadedOperatorKind(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<QualType> {
  template <class BasicReader, class... Args>
  static QualType read(BasicReader &R, Args &&... args) {
    return R.readQualType(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<Qualifiers> {
  template <class BasicReader, class... Args>
  static Qualifiers read(BasicReader &R, Args &&... args) {
    return R.readQualifiers(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<RefQualifierKind> {
  template <class BasicReader, class... Args>
  static RefQualifierKind read(BasicReader &R, Args &&... args) {
    return R.readRefQualifierKind(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<Selector> {
  template <class BasicReader, class... Args>
  static Selector read(BasicReader &R, Args &&... args) {
    return R.readSelector(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<SourceLocation> {
  template <class BasicReader, class... Args>
  static SourceLocation read(BasicReader &R, Args &&... args) {
    return R.readSourceLocation(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<Stmt*> {
  template <class BasicReader, class... Args>
  static Stmt* read(BasicReader &R, Args &&... args) {
    return R.readStmtRef(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<TagDecl*> {
  template <class BasicReader, class... Args>
  static TagDecl* read(BasicReader &R, Args &&... args) {
    return R.readTagDeclRef(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<TemplateArgument> {
  template <class BasicReader, class... Args>
  static TemplateArgument read(BasicReader &R, Args &&... args) {
    return R.readTemplateArgument(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<TemplateArgument::ArgKind> {
  template <class BasicReader, class... Args>
  static TemplateArgument::ArgKind read(BasicReader &R, Args &&... args) {
    return R.readTemplateArgumentKind(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<TemplateDecl*> {
  template <class BasicReader, class... Args>
  static TemplateDecl* read(BasicReader &R, Args &&... args) {
    return R.readTemplateDeclRef(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<TemplateName> {
  template <class BasicReader, class... Args>
  static TemplateName read(BasicReader &R, Args &&... args) {
    return R.readTemplateName(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<TemplateName::NameKind> {
  template <class BasicReader, class... Args>
  static TemplateName::NameKind read(BasicReader &R, Args &&... args) {
    return R.readTemplateNameKind(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<TemplateTemplateParmDecl*> {
  template <class BasicReader, class... Args>
  static TemplateTemplateParmDecl* read(BasicReader &R, Args &&... args) {
    return R.readTemplateTemplateParmDeclRef(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<TemplateTypeParmDecl*> {
  template <class BasicReader, class... Args>
  static TemplateTypeParmDecl* read(BasicReader &R, Args &&... args) {
    return R.readTemplateTypeParmDeclRef(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<uint32_t> {
  template <class BasicReader, class... Args>
  static uint32_t read(BasicReader &R, Args &&... args) {
    return R.readUInt32(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<uint64_t> {
  template <class BasicReader, class... Args>
  static uint64_t read(BasicReader &R, Args &&... args) {
    return R.readUInt64(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<UnaryTransformType::UTTKind> {
  template <class BasicReader, class... Args>
  static UnaryTransformType::UTTKind read(BasicReader &R, Args &&... args) {
    return R.readUnaryTypeTransformKind(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<ValueDecl*> {
  template <class BasicReader, class... Args>
  static ValueDecl* read(BasicReader &R, Args &&... args) {
    return R.readValueDeclRef(std::forward<Args>(args)...);
  }
};
template <>
struct ReadDispatcher<VectorType::VectorKind> {
  template <class BasicReader, class... Args>
  static VectorType::VectorKind read(BasicReader &R, Args &&... args) {
    return R.readVectorKind(std::forward<Args>(args)...);
  }
};
template <class T>
struct ReadDispatcher<llvm::ArrayRef<T>> {
  template <class BasicReader, class... Args>
  static llvm::ArrayRef<T> read(BasicReader &R, Args &&... args) {
    return R.readArray(std::forward<Args>(args)...);
  }
};
template <class T>
struct ReadDispatcher<llvm::Optional<T>> {
  template <class BasicReader, class... Args>
  static llvm::Optional<T> read(BasicReader &R, Args &&... args) {
    return R.readOptional(std::forward<Args>(args)...);
  }
};

template <class ValueType>
struct UnpackOptionalValue;
template <>
struct UnpackOptionalValue<CXXRecordDecl*> {
  static Optional<CXXRecordDecl*> unpack(CXXRecordDecl* value) {
    return value ? llvm::Optional<CXXRecordDecl*>(value) : llvm::None;
  }
};
template <>
struct UnpackOptionalValue<ConceptDecl*> {
  static Optional<ConceptDecl*> unpack(ConceptDecl* value) {
    return value ? llvm::Optional<ConceptDecl*>(value) : llvm::None;
  }
};
template <>
struct UnpackOptionalValue<Decl*> {
  static Optional<Decl*> unpack(Decl* value) {
    return value ? llvm::Optional<Decl*>(value) : llvm::None;
  }
};
template <>
struct UnpackOptionalValue<Expr*> {
  static Optional<Expr*> unpack(Expr* value) {
    return value ? llvm::Optional<Expr*>(value) : llvm::None;
  }
};
template <>
struct UnpackOptionalValue<FunctionDecl*> {
  static Optional<FunctionDecl*> unpack(FunctionDecl* value) {
    return value ? llvm::Optional<FunctionDecl*>(value) : llvm::None;
  }
};
template <>
struct UnpackOptionalValue<IdentifierInfo*> {
  static Optional<IdentifierInfo*> unpack(IdentifierInfo* value) {
    return value ? llvm::Optional<IdentifierInfo*>(value) : llvm::None;
  }
};
template <>
struct UnpackOptionalValue<NamedDecl*> {
  static Optional<NamedDecl*> unpack(NamedDecl* value) {
    return value ? llvm::Optional<NamedDecl*>(value) : llvm::None;
  }
};
template <>
struct UnpackOptionalValue<NamespaceAliasDecl*> {
  static Optional<NamespaceAliasDecl*> unpack(NamespaceAliasDecl* value) {
    return value ? llvm::Optional<NamespaceAliasDecl*>(value) : llvm::None;
  }
};
template <>
struct UnpackOptionalValue<NamespaceDecl*> {
  static Optional<NamespaceDecl*> unpack(NamespaceDecl* value) {
    return value ? llvm::Optional<NamespaceDecl*>(value) : llvm::None;
  }
};
template <>
struct UnpackOptionalValue<ObjCProtocolDecl*> {
  static Optional<ObjCProtocolDecl*> unpack(ObjCProtocolDecl* value) {
    return value ? llvm::Optional<ObjCProtocolDecl*>(value) : llvm::None;
  }
};
template <>
struct UnpackOptionalValue<ObjCTypeParamDecl*> {
  static Optional<ObjCTypeParamDecl*> unpack(ObjCTypeParamDecl* value) {
    return value ? llvm::Optional<ObjCTypeParamDecl*>(value) : llvm::None;
  }
};
template <>
struct UnpackOptionalValue<QualType> {
  static Optional<QualType> unpack(QualType value) {
    return value.isNull() ? llvm::None : llvm::Optional<QualType>(value);
  }
};
template <>
struct UnpackOptionalValue<Stmt*> {
  static Optional<Stmt*> unpack(Stmt* value) {
    return value ? llvm::Optional<Stmt*>(value) : llvm::None;
  }
};
template <>
struct UnpackOptionalValue<TagDecl*> {
  static Optional<TagDecl*> unpack(TagDecl* value) {
    return value ? llvm::Optional<TagDecl*>(value) : llvm::None;
  }
};
template <>
struct UnpackOptionalValue<TemplateDecl*> {
  static Optional<TemplateDecl*> unpack(TemplateDecl* value) {
    return value ? llvm::Optional<TemplateDecl*>(value) : llvm::None;
  }
};
template <>
struct UnpackOptionalValue<TemplateName> {
  static Optional<TemplateName> unpack(TemplateName value) {
    return value.isNull() ? llvm::None : llvm::Optional<TemplateName>(value);
  }
};
template <>
struct UnpackOptionalValue<TemplateTemplateParmDecl*> {
  static Optional<TemplateTemplateParmDecl*> unpack(TemplateTemplateParmDecl* value) {
    return value ? llvm::Optional<TemplateTemplateParmDecl*>(value) : llvm::None;
  }
};
template <>
struct UnpackOptionalValue<TemplateTypeParmDecl*> {
  static Optional<TemplateTypeParmDecl*> unpack(TemplateTypeParmDecl* value) {
    return value ? llvm::Optional<TemplateTypeParmDecl*>(value) : llvm::None;
  }
};
template <>
struct UnpackOptionalValue<uint32_t> {
  static Optional<uint32_t> unpack(uint32_t value) {
    return value ? llvm::Optional<uint32_t>(value - 1) : llvm::None;
  }
};
template <>
struct UnpackOptionalValue<uint64_t> {
  static Optional<uint64_t> unpack(uint64_t value) {
    return value ? llvm::Optional<uint64_t>(value - 1) : llvm::None;
  }
};
template <>
struct UnpackOptionalValue<ValueDecl*> {
  static Optional<ValueDecl*> unpack(ValueDecl* value) {
    return value ? llvm::Optional<ValueDecl*>(value) : llvm::None;
  }
};

template <class Impl>
class BasicReaderBase {
  ASTContext &C;
protected:
  BasicReaderBase(ASTContext &ctx) : C(ctx) {}
public:
  ASTContext &getASTContext() { return C; }
  Impl &asImpl() { return static_cast<Impl&>(*this); }
  ArrayType::ArraySizeModifier readArraySizeModifier() {
    return asImpl().template readEnum<ArrayType::ArraySizeModifier>();
  }
  attr::Kind readAttrKind() {
    return asImpl().template readEnum<attr::Kind>();
  }
  AutoTypeKeyword readAutoTypeKeyword() {
    return asImpl().template readEnum<AutoTypeKeyword>();
  }
  BuiltinType::Kind readBuiltinTypeKind() {
    return asImpl().template readEnum<BuiltinType::Kind>();
  }
  CXXRecordDecl* readCXXRecordDeclRef() {
    return cast_or_null<CXXRecordDecl>(asImpl().readDeclRef());
  }
  CallingConv readCallingConv() {
    return asImpl().template readEnum<CallingConv>();
  }
  ConceptDecl* readConceptDeclRef() {
    return cast_or_null<ConceptDecl>(asImpl().readDeclRef());
  }
  DeclarationName readDeclarationName() {
    auto &ctx = asImpl().getASTContext();
    auto &&subR = asImpl().readObject();
    DeclarationName::NameKind kind = subR.find("kind").readDeclarationNameKind();
    switch (kind) {
    case DeclarationName::Identifier: {
    IdentifierInfo* identifier = subR.find("identifier").readIdentifier();
    
    return DeclarationName(identifier);
  
    }

    case DeclarationName::ObjCMultiArgSelector: {
    Selector selector = subR.find("selector").readSelector();
    
      return DeclarationName(selector);
    
    }

    case DeclarationName::CXXConstructorName: {
    QualType type = subR.find("type").readQualType();
    
      return ctx.DeclarationNames.getCXXConstructorName(
               ctx.getCanonicalType(type));
    
    }

    case DeclarationName::CXXDestructorName: {
    QualType type = subR.find("type").readQualType();
    
      return ctx.DeclarationNames.getCXXDestructorName(
               ctx.getCanonicalType(type));
    
    }

    case DeclarationName::CXXConversionFunctionName: {
    QualType type = subR.find("type").readQualType();
    
      return ctx.DeclarationNames.getCXXConversionFunctionName(
               ctx.getCanonicalType(type));
    
    }

    case DeclarationName::CXXDeductionGuideName: {
    TemplateDecl* declaration = subR.find("declaration").readTemplateDeclRef();
    
    return ctx.DeclarationNames.getCXXDeductionGuideName(declaration);
  
    }

    case DeclarationName::CXXOperatorName: {
    OverloadedOperatorKind operatorKind = subR.find("operatorKind").readOverloadedOperatorKind();
    
    return ctx.DeclarationNames.getCXXOperatorName(operatorKind);
  
    }

    case DeclarationName::CXXLiteralOperatorName: {
    IdentifierInfo* identifier = subR.find("identifier").readIdentifier();
    
    return ctx.DeclarationNames.getCXXLiteralOperatorName(identifier);
  
    }

    case DeclarationName::CXXUsingDirective: {
    
    return DeclarationName::getUsingDirectiveName();
  
    }

    case DeclarationName::ObjCZeroArgSelector: {
    Selector selector = subR.find("selector").readSelector();
    
      return DeclarationName(selector);
    
    }

    case DeclarationName::ObjCOneArgSelector: {
    Selector selector = subR.find("selector").readSelector();
    
      return DeclarationName(selector);
    
    }

    }
    llvm_unreachable("bad DeclarationName::NameKind");
  }
  DeclarationName::NameKind readDeclarationNameKind() {
    return asImpl().template readEnum<DeclarationName::NameKind>();
  }
  ElaboratedTypeKeyword readElaboratedTypeKeyword() {
    return asImpl().template readEnum<ElaboratedTypeKeyword>();
  }
  Expr* readExprRef() {
    return cast_or_null<Expr>(asImpl().readStmtRef());
  }
  FunctionDecl* readFunctionDeclRef() {
    return cast_or_null<FunctionDecl>(asImpl().readDeclRef());
  }
  NamedDecl* readNamedDeclRef() {
    return cast_or_null<NamedDecl>(asImpl().readDeclRef());
  }
  NamespaceAliasDecl* readNamespaceAliasDeclRef() {
    return cast_or_null<NamespaceAliasDecl>(asImpl().readDeclRef());
  }
  NamespaceDecl* readNamespaceDeclRef() {
    return cast_or_null<NamespaceDecl>(asImpl().readDeclRef());
  }
  NestedNameSpecifier::SpecifierKind readNestedNameSpecifierKind() {
    return asImpl().template readEnum<NestedNameSpecifier::SpecifierKind>();
  }
  ObjCProtocolDecl* readObjCProtocolDeclRef() {
    return cast_or_null<ObjCProtocolDecl>(asImpl().readDeclRef());
  }
  ObjCTypeParamDecl* readObjCTypeParamDeclRef() {
    return cast_or_null<ObjCTypeParamDecl>(asImpl().readDeclRef());
  }
  OverloadedOperatorKind readOverloadedOperatorKind() {
    return asImpl().template readEnum<OverloadedOperatorKind>();
  }
  RefQualifierKind readRefQualifierKind() {
    return asImpl().template readEnum<RefQualifierKind>();
  }
  TagDecl* readTagDeclRef() {
    return cast_or_null<TagDecl>(asImpl().readDeclRef());
  }
  TemplateArgument readTemplateArgument() {
    auto &ctx = asImpl().getASTContext();
    auto &&subR = asImpl().readObject();
    TemplateArgument::ArgKind kind = subR.find("kind").readTemplateArgumentKind();
    switch (kind) {
    case TemplateArgument::Null: {
    
    return TemplateArgument();
  
    }

    case TemplateArgument::Type: {
    QualType type = subR.find("type").readQualType();
    
    return TemplateArgument(type);
  
    }

    case TemplateArgument::Declaration: {
    ValueDecl* declaration = subR.find("declaration").readValueDeclRef();
    QualType parameterType = subR.find("parameterType").readQualType();
    
    return TemplateArgument(declaration, parameterType);
  
    }

    case TemplateArgument::NullPtr: {
    QualType type = subR.find("type").readQualType();
    
    return TemplateArgument(type, /*nullptr*/ true);
  
    }

    case TemplateArgument::Integral: {
    llvm::APSInt value = subR.find("value").readAPSInt();
    QualType type = subR.find("type").readQualType();
    
    return TemplateArgument(ctx, value, type);
  
    }

    case TemplateArgument::Template: {
    TemplateName name = subR.find("name").readTemplateName();
    
    return TemplateArgument(name);
  
    }

    case TemplateArgument::TemplateExpansion: {
    TemplateName name = subR.find("name").readTemplateName();
    llvm::Optional<uint32_t> numExpansions = subR.find("numExpansions").template readOptional<uint32_t>();
    
    auto numExpansionsUnsigned =
      numExpansions.map([](uint32_t i) { return unsigned(i); });
    return TemplateArgument(name, numExpansionsUnsigned);
  
    }

    case TemplateArgument::Expression: {
    Expr* expression = subR.find("expression").readExprRef();
    
    return TemplateArgument(expression);
  
    }

    case TemplateArgument::Pack: {
    llvm::SmallVector<TemplateArgument, 8> elements_buffer_0;
    llvm::ArrayRef<TemplateArgument> elements = subR.find("elements").template readArray<TemplateArgument>(elements_buffer_0);
    
    // Copy the pack into the ASTContext.
    TemplateArgument *ctxElements = new (ctx) TemplateArgument[elements.size()];
    for (size_t i = 0, e = elements.size(); i != e; ++i)
      ctxElements[i] = elements[i];
    return TemplateArgument(llvm::makeArrayRef(ctxElements, elements.size()));
  
    }

    }
    llvm_unreachable("bad TemplateArgument::ArgKind");
  }
  TemplateArgument::ArgKind readTemplateArgumentKind() {
    return asImpl().template readEnum<TemplateArgument::ArgKind>();
  }
  TemplateDecl* readTemplateDeclRef() {
    return cast_or_null<TemplateDecl>(asImpl().readDeclRef());
  }
  TemplateName readTemplateName() {
    auto &ctx = asImpl().getASTContext();
    auto &&subR = asImpl().readObject();
    TemplateName::NameKind kind = subR.find("kind").readTemplateNameKind();
    switch (kind) {
    case TemplateName::Template: {
    TemplateDecl* declaration = subR.find("declaration").readTemplateDeclRef();
    
    return TemplateName(declaration);
  
    }

    case TemplateName::OverloadedTemplate: {
    llvm::SmallVector<NamedDecl*, 8> overloads_buffer_0;
    llvm::ArrayRef<NamedDecl*> overloads = subR.find("overloads").template readArray<NamedDecl*>(overloads_buffer_0);
    
    // Copy into an UnresolvedSet to satisfy the interface.
    UnresolvedSet<8> overloadSet;
    for (auto overload : overloads) {
      overloadSet.addDecl(overload);
    }

    return ctx.getOverloadedTemplateName(overloadSet.begin(),
                                         overloadSet.end());
  
    }

    case TemplateName::AssumedTemplate: {
    DeclarationName name = subR.find("name").readDeclarationName();
    
    return ctx.getAssumedTemplateName(name);
  
    }

    case TemplateName::QualifiedTemplate: {
    NestedNameSpecifier * qualifier = subR.find("qualifier").readNestedNameSpecifier();
    bool hasTemplateKeyword = subR.find("hasTemplateKeyword").readBool();
    TemplateDecl* declaration = subR.find("declaration").readTemplateDeclRef();
    
    return ctx.getQualifiedTemplateName(qualifier, hasTemplateKeyword,
                                        declaration);
  
    }

    case TemplateName::DependentTemplate: {
    NestedNameSpecifier * qualifier = subR.find("qualifier").readNestedNameSpecifier();
    llvm::Optional<IdentifierInfo*> identifier = subR.find("identifier").template readOptional<IdentifierInfo*>();
    llvm::Optional<OverloadedOperatorKind> operatorKind;
    if ( !identifier ) {
      operatorKind.emplace(subR.find("operatorKind").readOverloadedOperatorKind());
    }
    
    if (identifier) {
      return ctx.getDependentTemplateName(qualifier, *identifier);
    } else {
      return ctx.getDependentTemplateName(qualifier, *operatorKind);
    }
  
    }

    case TemplateName::SubstTemplateTemplateParm: {
    TemplateTemplateParmDecl* parameter = subR.find("parameter").readTemplateTemplateParmDeclRef();
    TemplateName replacement = subR.find("replacement").readTemplateName();
    
    return ctx.getSubstTemplateTemplateParm(parameter, replacement);
  
    }

    case TemplateName::SubstTemplateTemplateParmPack: {
    TemplateTemplateParmDecl* parameterPack = subR.find("parameterPack").readTemplateTemplateParmDeclRef();
    TemplateArgument argumentPack = subR.find("argumentPack").readTemplateArgument();
    
    return ctx.getSubstTemplateTemplateParmPack(parameterPack, argumentPack);
  
    }

    }
    llvm_unreachable("bad TemplateName::NameKind");
  }
  TemplateName::NameKind readTemplateNameKind() {
    return asImpl().template readEnum<TemplateName::NameKind>();
  }
  TemplateTemplateParmDecl* readTemplateTemplateParmDeclRef() {
    return cast_or_null<TemplateTemplateParmDecl>(asImpl().readDeclRef());
  }
  TemplateTypeParmDecl* readTemplateTypeParmDeclRef() {
    return cast_or_null<TemplateTypeParmDecl>(asImpl().readDeclRef());
  }
  UnaryTransformType::UTTKind readUnaryTypeTransformKind() {
    return asImpl().template readEnum<UnaryTransformType::UTTKind>();
  }
  ValueDecl* readValueDeclRef() {
    return cast_or_null<ValueDecl>(asImpl().readDeclRef());
  }
  VectorType::VectorKind readVectorKind() {
    return asImpl().template readEnum<VectorType::VectorKind>();
  }
};