text: //===--- DeclPrinter.cpp - Printing implementation for Decl ASTs ----------===//
  //
  //                     The LLVM Compiler Infrastructure
  //
  // This file is distributed under the University of Illinois Open Source
  // License. See LICENSE.TXT for details.
  //
  //===----------------------------------------------------------------------===//
  //
  // This file implements the Decl::print method, which pretty prints the
  // AST back out to C/Objective-C/C++/Objective-C++ code.
  //
  //===----------------------------------------------------------------------===//
  
  #include "clang/AST/ASTContext.h"
  #include "clang/AST/Attr.h"
  #include "clang/AST/Decl.h"
  #include "clang/AST/DeclCXX.h"
  #include "clang/AST/DeclObjC.h"
  #include "clang/AST/DeclVisitor.h"
  #include "clang/AST/Expr.h"
  #include "clang/AST/ExprCXX.h"
  #include "clang/AST/PrettyPrinter.h"
  #include "clang/Basic/Module.h"
  #include "llvm/Support/raw_ostream.h"
  #include "clang/Sema/SemaHLSL.h"  // HLSL Change
  using namespace clang;
  //                                                                           //
  ///////////////////////////////////////////////////////////////////////////////
  namespace {
    class DeclPrinter : public DeclVisitor<DeclPrinter> {
      raw_ostream &Out;
      PrintingPolicy Policy;
      unsigned Indentation;
      bool PrintInstantiation;
  
      raw_ostream& Indent() { return Indent(Indentation); }
      raw_ostream& Indent(unsigned Indentation);
      void ProcessDeclGroup(SmallVectorImpl<Decl*>& Decls);
  
      void Print(AccessSpecifier AS);
  
      /// Print an Objective-C method type in parentheses.
      ///
      /// \param Quals The Objective-C declaration qualifiers.
      /// \param T The type to print.
      void PrintObjCMethodType(ASTContext &Ctx, Decl::ObjCDeclQualifier Quals, 
                               QualType T);
  
      void PrintObjCTypeParams(ObjCTypeParamList *Params);
  
    public:
      DeclPrinter(raw_ostream &Out, const PrintingPolicy &Policy,
                  unsigned Indentation = 0, bool PrintInstantiation = false)
        : Out(Out), Policy(Policy), Indentation(Indentation),
          PrintInstantiation(PrintInstantiation) { }
  
      void VisitDeclContext(DeclContext *DC, bool Indent = true);
  
      void VisitTranslationUnitDecl(TranslationUnitDecl *D);
      void VisitTypedefDecl(TypedefDecl *D);
      void VisitTypeAliasDecl(TypeAliasDecl *D);
      void VisitEnumDecl(EnumDecl *D);
      void VisitRecordDecl(RecordDecl *D);
      void VisitEnumConstantDecl(EnumConstantDecl *D);
      void VisitEmptyDecl(EmptyDecl *D);
      void VisitFunctionDecl(FunctionDecl *D);
      void VisitFriendDecl(FriendDecl *D);
      void VisitFieldDecl(FieldDecl *D);
      void VisitVarDecl(VarDecl *D);
      void VisitLabelDecl(LabelDecl *D);
      void VisitParmVarDecl(ParmVarDecl *D);
      void VisitFileScopeAsmDecl(FileScopeAsmDecl *D);
      void VisitImportDecl(ImportDecl *D);
      void VisitStaticAssertDecl(StaticAssertDecl *D);
      void VisitNamespaceDecl(NamespaceDecl *D);
      void VisitUsingDirectiveDecl(UsingDirectiveDecl *D);
      void VisitNamespaceAliasDecl(NamespaceAliasDecl *D);
      void VisitCXXRecordDecl(CXXRecordDecl *D);
      void VisitLinkageSpecDecl(LinkageSpecDecl *D);
      void VisitTemplateDecl(const TemplateDecl *D);
      void VisitFunctionTemplateDecl(FunctionTemplateDecl *D);
      void VisitClassTemplateDecl(ClassTemplateDecl *D);
      void VisitObjCMethodDecl(ObjCMethodDecl *D);
      void VisitObjCImplementationDecl(ObjCImplementationDecl *D);
      void VisitObjCInterfaceDecl(ObjCInterfaceDecl *D);
      void VisitObjCProtocolDecl(ObjCProtocolDecl *D);
      void VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D);
      void VisitObjCCategoryDecl(ObjCCategoryDecl *D);
      void VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D);
      void VisitObjCPropertyDecl(ObjCPropertyDecl *D);
      void VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D);
      void VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D);
      void VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D);
      void VisitUsingDecl(UsingDecl *D);
      void VisitUsingShadowDecl(UsingShadowDecl *D);
      void VisitOMPThreadPrivateDecl(OMPThreadPrivateDecl *D);
  
      void PrintTemplateParameters(const TemplateParameterList *Params,
                                   const TemplateArgumentList *Args = nullptr);
      void prettyPrintAttributes(Decl *D);
      void printDeclType(QualType T, StringRef DeclName, bool Pack = false);
  
      // HLSL Change Begin
      void VisitHLSLBufferDecl(HLSLBufferDecl *D);
      void PrintUnusualAnnotations(NamedDecl *D);
      void VisitHLSLUnusualAnnotation(const hlsl::UnusualAnnotation *UA);
      void PrintHLSLPreAttr(NamedDecl *D);
      // HLSL Change End
    };
  }
  
  void Decl::print(raw_ostream &Out, unsigned Indentation,
                   bool PrintInstantiation) const {
    print(Out, getASTContext().getPrintingPolicy(), Indentation, PrintInstantiation);
  }
  
  void Decl::print(raw_ostream &Out, const PrintingPolicy &Policy,
                   unsigned Indentation, bool PrintInstantiation) const {
    DeclPrinter Printer(Out, Policy, Indentation, PrintInstantiation);
    Printer.Visit(const_cast<Decl*>(this));
  }
  
  static QualType GetBaseType(QualType T) {
    // FIXME: This should be on the Type class!
    QualType BaseType = T;
    while (!BaseType->isSpecifierType()) {
      if (isa<TypedefType>(BaseType))
        break;
      else if (const PointerType* PTy = BaseType->getAs<PointerType>())
        BaseType = PTy->getPointeeType();
      else if (const BlockPointerType *BPy = BaseType->getAs<BlockPointerType>())
        BaseType = BPy->getPointeeType();
      else if (const ArrayType* ATy = dyn_cast<ArrayType>(BaseType))
        BaseType = ATy->getElementType();
      else if (const FunctionType* FTy = BaseType->getAs<FunctionType>())
        BaseType = FTy->getReturnType();
      else if (const VectorType *VTy = BaseType->getAs<VectorType>())
        BaseType = VTy->getElementType();
      else if (const ReferenceType *RTy = BaseType->getAs<ReferenceType>())
        BaseType = RTy->getPointeeType();
      else
        llvm_unreachable("Unknown declarator!");
    }
    return BaseType;
  }
  
  static QualType getDeclType(Decl* D) {
    if (TypedefNameDecl* TDD = dyn_cast<TypedefNameDecl>(D))
      return TDD->getUnderlyingType();
    if (ValueDecl* VD = dyn_cast<ValueDecl>(D))
      return VD->getType();
    return QualType();
  }
  
  void Decl::printGroup(Decl** Begin, unsigned NumDecls,
                        raw_ostream &Out, const PrintingPolicy &Policy,
                        unsigned Indentation) {
    if (NumDecls == 1) {
      (*Begin)->print(Out, Policy, Indentation);
      return;
    }
  
    Decl** End = Begin + NumDecls;
    TagDecl* TD = dyn_cast<TagDecl>(*Begin);
    if (TD)
      ++Begin;
  
    PrintingPolicy SubPolicy(Policy);
    if (TD && TD->isCompleteDefinition()) {
      TD->print(Out, Policy, Indentation);
      Out << " ";
      SubPolicy.SuppressTag = true;
    }
  
    bool isFirst = true;
    for ( ; Begin != End; ++Begin) {
      if (isFirst) {
        SubPolicy.SuppressSpecifiers = false;
        isFirst = false;
      } else {
        if (!isFirst) Out << ", ";
        SubPolicy.SuppressSpecifiers = true;
      }
  
      (*Begin)->print(Out, SubPolicy, Indentation);
    }
  }
  
  LLVM_DUMP_METHOD void DeclContext::dumpDeclContext() const {
    // Get the translation unit
    const DeclContext *DC = this;
    while (!DC->isTranslationUnit())
      DC = DC->getParent();
    
    ASTContext &Ctx = cast<TranslationUnitDecl>(DC)->getASTContext();
    DeclPrinter Printer(llvm::errs(), Ctx.getPrintingPolicy(), 0);
    Printer.VisitDeclContext(const_cast<DeclContext *>(this), /*Indent=*/false);
  }
  
  raw_ostream& DeclPrinter::Indent(unsigned Indentation) {
    for (unsigned i = 0; i != Indentation; ++i)
      Out << "  ";
    return Out;
  }
  
  void DeclPrinter::prettyPrintAttributes(Decl *D) {
    if (Policy.PolishForDeclaration)
      return;
    
    if (D->hasAttrs()) {
      AttrVec &Attrs = D->getAttrs();
      for (AttrVec::const_iterator i=Attrs.begin(), e=Attrs.end(); i!=e; ++i) {
        Attr *A = *i;
        if (!hlsl::IsHLSLAttr(A->getKind())) // HLSL Change
          A->printPretty(Out, Policy);       
      }
    }
  }
  
  void DeclPrinter::printDeclType(QualType T, StringRef DeclName, bool Pack) {
    // Normally, a PackExpansionType is written as T[3]... (for instance, as a
    // template argument), but if it is the type of a declaration, the ellipsis
    // is placed before the name being declared.
    if (auto *PET = T->getAs<PackExpansionType>()) {
      Pack = true;
      T = PET->getPattern();
    }
    T.print(Out, Policy, (Pack ? "..." : "") + DeclName);
  }
  
  void DeclPrinter::ProcessDeclGroup(SmallVectorImpl<Decl*>& Decls) {
    this->Indent();
    Decl::printGroup(Decls.data(), Decls.size(), Out, Policy, Indentation);
    Out << ";\n";
    Decls.clear();
  
  }
  
  void DeclPrinter::Print(AccessSpecifier AS) {
    switch(AS) {
    case AS_none:      llvm_unreachable("No access specifier!");
    case AS_public:    Out << "public"; break;
    case AS_protected: Out << "protected"; break;
    case AS_private:   Out << "private"; break;
    }
  }
  
  //----------------------------------------------------------------------------
  // Common C declarations
  //----------------------------------------------------------------------------
  
  void DeclPrinter::VisitDeclContext(DeclContext *DC, bool Indent) {
    if (Policy.TerseOutput)
      return;
  
    if (Indent)
      Indentation += Policy.Indentation;
  
    SmallVector<Decl*, 2> Decls;
    for (DeclContext::decl_iterator D = DC->decls_begin(), DEnd = DC->decls_end();
         D != DEnd; ++D) {
  
      // Don't print ObjCIvarDecls, as they are printed when visiting the
      // containing ObjCInterfaceDecl.
      if (isa<ObjCIvarDecl>(*D))
        continue;
  
      // Skip over implicit declarations in pretty-printing mode.
      if (D->isImplicit())
        continue;
  
      // The next bits of code handles stuff like "struct {int x;} a,b"; we're
      // forced to merge the declarations because there's no other way to
      // refer to the struct in question.  This limited merging is safe without
      // a bunch of other checks because it only merges declarations directly
      // referring to the tag, not typedefs.
      //
      // Check whether the current declaration should be grouped with a previous
      // unnamed struct.
      QualType CurDeclType = getDeclType(*D);
      if (!Decls.empty() && !CurDeclType.isNull()) {
        QualType BaseType = GetBaseType(CurDeclType);
        if (!BaseType.isNull() && isa<ElaboratedType>(BaseType))
          BaseType = cast<ElaboratedType>(BaseType)->getNamedType();
        if (!BaseType.isNull() && isa<TagType>(BaseType) &&
            cast<TagType>(BaseType)->getDecl() == Decls[0]) {
          Decls.push_back(*D);
          continue;
        }
      }
  
      // If we have a merged group waiting to be handled, handle it now.
      if (!Decls.empty())
        ProcessDeclGroup(Decls);
  
      // If the current declaration is an unnamed tag type, save it
      // so we can merge it with the subsequent declaration(s) using it.
      if (isa<TagDecl>(*D) && !cast<TagDecl>(*D)->getIdentifier()) {
        Decls.push_back(*D);
        continue;
      }
  
      if (isa<AccessSpecDecl>(*D)) {
        Indentation -= Policy.Indentation;
        this->Indent();
        Print(D->getAccess());
        Out << ":\n";
        Indentation += Policy.Indentation;
        continue;
      }
  
      this->Indent();
      Visit(*D);
  
      // FIXME: Need to be able to tell the DeclPrinter when
      const char *Terminator = nullptr;
      if (isa<OMPThreadPrivateDecl>(*D))
        Terminator = nullptr;
      else if (isa<FunctionDecl>(*D) &&
               cast<FunctionDecl>(*D)->isThisDeclarationADefinition())
        Terminator = nullptr;
      else if (isa<ObjCMethodDecl>(*D) && cast<ObjCMethodDecl>(*D)->getBody())
        Terminator = nullptr;
      else if (isa<NamespaceDecl>(*D) || isa<LinkageSpecDecl>(*D) ||
               isa<ObjCImplementationDecl>(*D) ||
               isa<ObjCInterfaceDecl>(*D) ||
               isa<ObjCProtocolDecl>(*D) ||
               isa<ObjCCategoryImplDecl>(*D) ||
               isa<ObjCCategoryDecl>(*D))
        Terminator = nullptr;
      else if (isa<HLSLBufferDecl>(*D)) // HLSL Change
        Terminator = nullptr;
      else if (isa<EnumConstantDecl>(*D)) {
        DeclContext::decl_iterator Next = D;
        ++Next;
        if (Next != DEnd)
          Terminator = ",";
      } else
        Terminator = ";";
  
      if (Terminator)
        Out << Terminator;
      Out << "\n";
    }
  
    if (!Decls.empty())
      ProcessDeclGroup(Decls);
  
    if (Indent)
      Indentation -= Policy.Indentation;
  }
  
  void DeclPrinter::VisitTranslationUnitDecl(TranslationUnitDecl *D) {
    VisitDeclContext(D, false);
  }
  
  void DeclPrinter::VisitTypedefDecl(TypedefDecl *D) {
    if (!Policy.SuppressSpecifiers) {
      Out << "typedef ";
      
      if (D->isModulePrivate())
        Out << "__module_private__ ";
    }
    D->getTypeSourceInfo()->getType().print(Out, Policy, D->getName());
    PrintUnusualAnnotations(D); // HLSL Change
    prettyPrintAttributes(D);
  }
  
  void DeclPrinter::VisitTypeAliasDecl(TypeAliasDecl *D) {
    Out << "using " << *D;
    PrintUnusualAnnotations(D); // HLSL Change
    prettyPrintAttributes(D);
    Out << " = " << D->getTypeSourceInfo()->getType().getAsString(Policy);
  }
  
  void DeclPrinter::VisitEnumDecl(EnumDecl *D) {
    if (!Policy.SuppressSpecifiers && D->isModulePrivate())
      Out << "__module_private__ ";
    Out << "enum ";
    if (D->isScoped()) {
      if (D->isScopedUsingClassTag())
        Out << "class ";
      else
        Out << "struct ";
    }
    Out << *D;
  
    if (D->isFixed())
      Out << " : " << D->getIntegerType().stream(Policy);
  
    if (D->isCompleteDefinition()) {
      Out << " {\n";
      VisitDeclContext(D);
      Indent() << "}";
    }
  
    PrintUnusualAnnotations(D); // HLSL Change
    prettyPrintAttributes(D);
  }
  
  void DeclPrinter::VisitRecordDecl(RecordDecl *D) {
    if (!Policy.SuppressSpecifiers && D->isModulePrivate())
      Out << "__module_private__ ";
    Out << D->getKindName();
  
    prettyPrintAttributes(D);
  
    if (D->getIdentifier())
      Out << ' ' << *D;
  
    if (D->isCompleteDefinition()) {
      Out << " {\n";
      VisitDeclContext(D);
      Indent() << "}";
    }
  }
  
  void DeclPrinter::VisitEnumConstantDecl(EnumConstantDecl *D) {
    Out << *D;
    if (Expr *Init = D->getInitExpr()) {
      Out << " = ";
      Init->printPretty(Out, nullptr, Policy, Indentation);
    }
  }
  
  void DeclPrinter::VisitFunctionDecl(FunctionDecl *D) {
    CXXConstructorDecl *CDecl = dyn_cast<CXXConstructorDecl>(D);
    CXXConversionDecl *ConversionDecl = dyn_cast<CXXConversionDecl>(D);
    if (!Policy.SuppressSpecifiers) {
      switch (D->getStorageClass()) {
      case SC_None: break;
      case SC_Extern: Out << "extern "; break;
      case SC_Static: Out << "static "; break;
      case SC_PrivateExtern: Out << "__private_extern__ "; break;
      case SC_Auto: case SC_Register: case SC_OpenCLWorkGroupLocal:
        llvm_unreachable("invalid for functions");
      }
  
      if (D->isInlineSpecified())  Out << "inline ";
      if (D->isVirtualAsWritten()) Out << "virtual ";
      if (D->isModulePrivate())    Out << "__module_private__ ";
      if (D->isConstexpr() && !D->isExplicitlyDefaulted()) Out << "constexpr ";
      if ((CDecl && CDecl->isExplicitSpecified()) ||
          (ConversionDecl && ConversionDecl->isExplicit()))
        Out << "explicit ";
    }
  
    // HLSL Change Begin
    if (D->hasAttrs() && Policy.LangOpts.HLSL)
      PrintHLSLPreAttr(D);
    // HLSL Change End
  
    PrintingPolicy SubPolicy(Policy);
    SubPolicy.SuppressSpecifiers = false;
    std::string Proto = D->getNameInfo().getAsString();
  
    // HLSL Change Begin
    DeclContext *Namespace = D->getEnclosingNamespaceContext();
    DeclContext *Enclosing = D->getLexicalParent();
    if (!Enclosing->isNamespace() && Namespace->isNamespace()) {
      NamespaceDecl* ns = (NamespaceDecl*)Namespace;
      Proto = ns->getName().str() + "::" + Proto;
    }
    // HLSL Change End
  
    QualType Ty = D->getType();
    while (const ParenType *PT = dyn_cast<ParenType>(Ty)) {
      Proto = '(' + Proto + ')';
      Ty = PT->getInnerType();
    }
  
    if (const FunctionType *AFT = Ty->getAs<FunctionType>()) {
      const FunctionProtoType *FT = nullptr;
      if (D->hasWrittenPrototype())
        FT = dyn_cast<FunctionProtoType>(AFT);
  
      Proto += "(";
      if (FT) {
        llvm::raw_string_ostream POut(Proto);
        DeclPrinter ParamPrinter(POut, SubPolicy, Indentation);
        for (unsigned i = 0, e = D->getNumParams(); i != e; ++i) {
          if (i) POut << ", ";
          ParamPrinter.VisitParmVarDecl(D->getParamDecl(i));
        }
  
        if (FT->isVariadic()) {
          if (D->getNumParams()) POut << ", ";
          POut << "...";
        }
      } else if (D->doesThisDeclarationHaveABody() && !D->hasPrototype()) {
        for (unsigned i = 0, e = D->getNumParams(); i != e; ++i) {
          if (i)
            Proto += ", ";
          Proto += D->getParamDecl(i)->getNameAsString();
        }
      }
  
      Proto += ")";
      
      if (FT) {
        if (FT->isConst())
          Proto += " const";
        if (FT->isVolatile())
          Proto += " volatile";
        if (FT->isRestrict())
          Proto += " restrict";
  
        switch (FT->getRefQualifier()) {
        case RQ_None:
          break;
        case RQ_LValue:
          Proto += " &";
          break;
        case RQ_RValue:
          Proto += " &&";
          break;
        }
      }
  
      if (FT && FT->hasDynamicExceptionSpec()) {
        Proto += " throw(";
        if (FT->getExceptionSpecType() == EST_MSAny)
          Proto += "...";
        else 
          for (unsigned I = 0, N = FT->getNumExceptions(); I != N; ++I) {
            if (I)
              Proto += ", ";
  
            Proto += FT->getExceptionType(I).getAsString(SubPolicy);
          }
        Proto += ")";
      } else if (FT && isNoexceptExceptionSpec(FT->getExceptionSpecType())) {
        Proto += " noexcept";
        if (FT->getExceptionSpecType() == EST_ComputedNoexcept) {
          Proto += "(";
          llvm::raw_string_ostream EOut(Proto);
          FT->getNoexceptExpr()->printPretty(EOut, nullptr, SubPolicy,
                                             Indentation);
          EOut.flush();
          Proto += EOut.str();
          Proto += ")";
        }
      }
  
      if (CDecl) {
        bool HasInitializerList = false;
        for (const auto *BMInitializer : CDecl->inits()) {
          if (BMInitializer->isInClassMemberInitializer())
            continue;
  
          if (!HasInitializerList) {
            Proto += " : ";
            Out << Proto;
            Proto.clear();
            HasInitializerList = true;
          } else
            Out << ", ";
  
          if (BMInitializer->isAnyMemberInitializer()) {
            FieldDecl *FD = BMInitializer->getAnyMember();
            Out << *FD;
          } else {
            Out << QualType(BMInitializer->getBaseClass(), 0).getAsString(Policy);
          }
          
          Out << "(";
          if (!BMInitializer->getInit()) {
            // Nothing to print
          } else {
            Expr *Init = BMInitializer->getInit();
            if (ExprWithCleanups *Tmp = dyn_cast<ExprWithCleanups>(Init))
              Init = Tmp->getSubExpr();
            
            Init = Init->IgnoreParens();
  
            Expr *SimpleInit = nullptr;
            Expr **Args = nullptr;
            unsigned NumArgs = 0;
            if (ParenListExpr *ParenList = dyn_cast<ParenListExpr>(Init)) {
              Args = ParenList->getExprs();
              NumArgs = ParenList->getNumExprs();
            } else if (CXXConstructExpr *Construct
                                          = dyn_cast<CXXConstructExpr>(Init)) {
              Args = Construct->getArgs();
              NumArgs = Construct->getNumArgs();
            } else
              SimpleInit = Init;
            
            if (SimpleInit)
              SimpleInit->printPretty(Out, nullptr, Policy, Indentation);
            else {
              for (unsigned I = 0; I != NumArgs; ++I) {
                assert(Args[I] != nullptr && "Expected non-null Expr");
                if (isa<CXXDefaultArgExpr>(Args[I]))
                  break;
                
                if (I)
                  Out << ", ";
                Args[I]->printPretty(Out, nullptr, Policy, Indentation);
              }
            }
          }
          Out << ")";
          if (BMInitializer->isPackExpansion())
            Out << "...";
        }
      } else if (!ConversionDecl && !isa<CXXDestructorDecl>(D)) {
        if (FT && FT->hasTrailingReturn()) {
          Out << "auto " << Proto << " -> ";
          Proto.clear();
        }
        AFT->getReturnType().print(Out, Policy, Proto);
        Proto.clear();
      }
      Out << Proto;
    } else {
      Ty.print(Out, Policy, Proto);
    }
  
    PrintUnusualAnnotations(D); // HLSL Change
    prettyPrintAttributes(D);
  
    if (D->isPure())
      Out << " = 0";
    else if (D->isDeletedAsWritten())
      Out << " = delete";
    else if (D->isExplicitlyDefaulted())
      Out << " = default";
    else if (D->doesThisDeclarationHaveABody() && !Policy.TerseOutput) {
      if (!D->hasPrototype() && D->getNumParams()) {
        // This is a K&R function definition, so we need to print the
        // parameters.
        Out << '\n';
        DeclPrinter ParamPrinter(Out, SubPolicy, Indentation);
        Indentation += Policy.Indentation;
        for (unsigned i = 0, e = D->getNumParams(); i != e; ++i) {
          Indent();
          ParamPrinter.VisitParmVarDecl(D->getParamDecl(i));
          Out << ";\n";
        }
        Indentation -= Policy.Indentation;
      } else
        Out << ' ';
  
      if (D->getBody())
        D->getBody()->printPretty(Out, nullptr, SubPolicy, Indentation);
      Out << '\n';
    }
  }
  
  void DeclPrinter::VisitFriendDecl(FriendDecl *D) {
    if (TypeSourceInfo *TSI = D->getFriendType()) {
      unsigned NumTPLists = D->getFriendTypeNumTemplateParameterLists();
      for (unsigned i = 0; i < NumTPLists; ++i)
        PrintTemplateParameters(D->getFriendTypeTemplateParameterList(i));
      Out << "friend ";
      Out << " " << TSI->getType().getAsString(Policy);
    }
    else if (FunctionDecl *FD =
        dyn_cast<FunctionDecl>(D->getFriendDecl())) {
      Out << "friend ";
      VisitFunctionDecl(FD);
    }
    else if (FunctionTemplateDecl *FTD =
             dyn_cast<FunctionTemplateDecl>(D->getFriendDecl())) {
      Out << "friend ";
      VisitFunctionTemplateDecl(FTD);
    }
    else if (ClassTemplateDecl *CTD =
             dyn_cast<ClassTemplateDecl>(D->getFriendDecl())) {
      Out << "friend ";
      VisitRedeclarableTemplateDecl(CTD);
    }
  }
  
  void DeclPrinter::VisitFieldDecl(FieldDecl *D) {
    if (!Policy.SuppressSpecifiers && D->isMutable())
      Out << "mutable ";
    if (!Policy.SuppressSpecifiers && D->isModulePrivate())
      Out << "__module_private__ ";
  
    // HLSL Change Begin
    if (D->hasAttrs())
      PrintHLSLPreAttr(D);
    // HLSL Change End
  
    Out << D->getASTContext().getUnqualifiedObjCPointerType(D->getType()).
              stream(Policy, D->getName());
  
    if (D->isBitField()) {
      Out << " : ";
      D->getBitWidth()->printPretty(Out, nullptr, Policy, Indentation);
    }
  
    Expr *Init = D->getInClassInitializer();
    if (!Policy.SuppressInitializers && Init) {
      if (D->getInClassInitStyle() == ICIS_ListInit)
        Out << " ";
      else
        Out << " = ";
      Init->printPretty(Out, nullptr, Policy, Indentation);
    }
  
    PrintUnusualAnnotations(D); // HLSL Change
    prettyPrintAttributes(D);
  }
  
  void DeclPrinter::VisitLabelDecl(LabelDecl *D) {
    Out << *D << ":";
  }
  
  void DeclPrinter::VisitVarDecl(VarDecl *D) {
    if (!Policy.SuppressSpecifiers) {
      StorageClass SC = D->getStorageClass();
      if (SC != SC_None)
        Out << VarDecl::getStorageClassSpecifierString(SC) << " ";
  
      switch (D->getTSCSpec()) {
      case TSCS_unspecified:
        break;
      case TSCS___thread:
        Out << "__thread ";
        break;
      case TSCS__Thread_local:
        Out << "_Thread_local ";
        break;
      case TSCS_thread_local:
        Out << "thread_local ";
        break;
      }
  
      if (D->isModulePrivate())
        Out << "__module_private__ ";
    }
  
    // HLSL Change Begin
    if (D->hasAttrs() && Policy.LangOpts.HLSL) 
      PrintHLSLPreAttr(D); 
    // HLSL Change End
  
    QualType T = D->getTypeSourceInfo()
      ? D->getTypeSourceInfo()->getType()
      : D->getASTContext().getUnqualifiedObjCPointerType(D->getType());
  
    // HLSL Change Begin
    if (D->hasAttrs() && Policy.LangOpts.HLSL) {
      printDeclType(T.getNonReferenceType(), D->getName());
    }
    else {
      printDeclType(T, D->getName());
    }
    // HLSL Change end
      
    Expr *Init = D->getInit();
    if (!Policy.SuppressInitializers && Init) {
      bool ImplicitInit = false;
      if (CXXConstructExpr *Construct =
              dyn_cast<CXXConstructExpr>(Init->IgnoreImplicit())) {
        if (D->getInitStyle() == VarDecl::CallInit &&
            !Construct->isListInitialization()) {
          ImplicitInit = Construct->getNumArgs() == 0 ||
            Construct->getArg(0)->isDefaultArgument();
        }
      }
      if (!ImplicitInit) {
        if ((D->getInitStyle() == VarDecl::CallInit) && !isa<ParenListExpr>(Init))
          Out << "(";
        else if (D->getInitStyle() == VarDecl::CInit) {
          Out << " = ";
        }
        Init->printPretty(Out, nullptr, Policy, Indentation);
        if ((D->getInitStyle() == VarDecl::CallInit) && !isa<ParenListExpr>(Init))
          Out << ")";
      }
    }
    PrintUnusualAnnotations(D); // HLSL Change
    prettyPrintAttributes(D);
  }
  
  void DeclPrinter::VisitParmVarDecl(ParmVarDecl *D) {
    VisitVarDecl(D);
  }
  
  void DeclPrinter::VisitFileScopeAsmDecl(FileScopeAsmDecl *D) {
    Out << "__asm (";
    D->getAsmString()->printPretty(Out, nullptr, Policy, Indentation);
    Out << ")";
  }
  
  void DeclPrinter::VisitImportDecl(ImportDecl *D) {
    Out << "@import " << D->getImportedModule()->getFullModuleName()
        << ";\n";
  }
  
  void DeclPrinter::VisitStaticAssertDecl(StaticAssertDecl *D) {
    Out << "static_assert(";
    D->getAssertExpr()->printPretty(Out, nullptr, Policy, Indentation);
    if (StringLiteral *SL = D->getMessage()) {
      Out << ", ";
      SL->printPretty(Out, nullptr, Policy, Indentation);
    }
    Out << ")";
  }
  
  //----------------------------------------------------------------------------
  // C++ declarations
  //----------------------------------------------------------------------------
  void DeclPrinter::VisitNamespaceDecl(NamespaceDecl *D) {
    if (D->isInline())
      Out << "inline ";
    Out << "namespace " << *D << " {\n";
    VisitDeclContext(D);
    Indent() << "}";
  }
  
  void DeclPrinter::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) {
    Out << "using namespace ";
    if (D->getQualifier())
      D->getQualifier()->print(Out, Policy);
    Out << *D->getNominatedNamespaceAsWritten();
  }
  
  void DeclPrinter::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) {
    Out << "namespace " << *D << " = ";
    if (D->getQualifier())
      D->getQualifier()->print(Out, Policy);
    Out << *D->getAliasedNamespace();
  }
  
  void DeclPrinter::VisitEmptyDecl(EmptyDecl *D) {
    prettyPrintAttributes(D);
  }
  
  void DeclPrinter::VisitCXXRecordDecl(CXXRecordDecl *D) {
    if (!Policy.SuppressSpecifiers && D->isModulePrivate())
      Out << "__module_private__ ";
  
    // HLSL Change Begin
    if (!Policy.LangOpts.HLSL || !D->isInterface()) {
      Out << D->getKindName();
    }
    else {
      Out << "interface";
    }
    // HLSL Change End
  
    PrintUnusualAnnotations(D); // HLSL Change
    prettyPrintAttributes(D);
  
    if (D->getIdentifier())
      Out << ' ' << *D;
  
    if (D->isCompleteDefinition()) {
      // Print the base classes
      if (D->getNumBases()) {
        Out << " : ";
        for (CXXRecordDecl::base_class_iterator Base = D->bases_begin(),
               BaseEnd = D->bases_end(); Base != BaseEnd; ++Base) {
          if (Base != D->bases_begin())
            Out << ", ";
  
          if (Base->isVirtual())
            Out << "virtual ";
  
          AccessSpecifier AS = Base->getAccessSpecifierAsWritten();
          if (AS != AS_none) {
            Print(AS);
            Out << " ";
          }
          Out << Base->getType().getAsString(Policy);
  
          if (Base->isPackExpansion())
            Out << "...";
        }
      }
  
      // Print the class definition
      // FIXME: Doesn't print access specifiers, e.g., "public:"
      Out << " {\n";
      VisitDeclContext(D);
      Indent() << "}";
    }
  }
  
  void DeclPrinter::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
    const char *l;
    if (D->getLanguage() == LinkageSpecDecl::lang_c)
      l = "C";
    else {
      assert(D->getLanguage() == LinkageSpecDecl::lang_cxx &&
             "unknown language in linkage specification");
      l = "C++";
    }
  
    Out << "extern \"" << l << "\" ";
    if (D->hasBraces()) {
      Out << "{\n";
      VisitDeclContext(D);
      Indent() << "}";
    } else
      Visit(*D->decls_begin());
  }
  
  void DeclPrinter::PrintTemplateParameters(const TemplateParameterList *Params,
                                            const TemplateArgumentList *Args) {
    assert(Params);
    assert(!Args || Params->size() == Args->size());
  
    Out << "template <";
  
    for (unsigned i = 0, e = Params->size(); i != e; ++i) {
      if (i != 0)
        Out << ", ";
  
      const Decl *Param = Params->getParam(i);
      if (const TemplateTypeParmDecl *TTP =
            dyn_cast<TemplateTypeParmDecl>(Param)) {
  
        if (TTP->wasDeclaredWithTypename())
          Out << "typename ";
        else
          Out << "class ";
  
        if (TTP->isParameterPack())
          Out << "...";
  
        Out << *TTP;
  
        if (Args) {
          Out << " = ";
          Args->get(i).print(Policy, Out);
        } else if (TTP->hasDefaultArgument()) {
          Out << " = ";
          Out << TTP->getDefaultArgument().getAsString(Policy);
        };
      } else if (const NonTypeTemplateParmDecl *NTTP =
                   dyn_cast<NonTypeTemplateParmDecl>(Param)) {
        StringRef Name;
        if (IdentifierInfo *II = NTTP->getIdentifier())
          Name = II->getName();
        printDeclType(NTTP->getType(), Name, NTTP->isParameterPack());
  
        if (Args) {
          Out << " = ";
          Args->get(i).print(Policy, Out);
        } else if (NTTP->hasDefaultArgument()) {
          Out << " = ";
          NTTP->getDefaultArgument()->printPretty(Out, nullptr, Policy,
                                                  Indentation);
        }
      } else if (const TemplateTemplateParmDecl *TTPD =
                   dyn_cast<TemplateTemplateParmDecl>(Param)) {
        VisitTemplateDecl(TTPD);
        // FIXME: print the default argument, if present.
      }
    }
  
    Out << "> ";
  }
  
  void DeclPrinter::VisitTemplateDecl(const TemplateDecl *D) {
    PrintTemplateParameters(D->getTemplateParameters());
  
    if (const TemplateTemplateParmDecl *TTP =
          dyn_cast<TemplateTemplateParmDecl>(D)) {
      Out << "class ";
      if (TTP->isParameterPack())
        Out << "...";
      Out << D->getName();
    } else {
      Visit(D->getTemplatedDecl());
    }
  }
  
  void DeclPrinter::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) {
    if (PrintInstantiation) {
      TemplateParameterList *Params = D->getTemplateParameters();
      for (auto *I : D->specializations()) {
        PrintTemplateParameters(Params, I->getTemplateSpecializationArgs());
        Visit(I);
      }
    }
  
    return VisitRedeclarableTemplateDecl(D);
  }
  
  void DeclPrinter::VisitClassTemplateDecl(ClassTemplateDecl *D) {
    if (PrintInstantiation) {
      TemplateParameterList *Params = D->getTemplateParameters();
      for (auto *I : D->specializations()) {
        PrintTemplateParameters(Params, &I->getTemplateArgs());
        Visit(I);
        Out << '\n';
      }
    }
  
    return VisitRedeclarableTemplateDecl(D);
  }
  
  //----------------------------------------------------------------------------
  // Objective-C declarations
  //----------------------------------------------------------------------------
  
  void DeclPrinter::PrintObjCMethodType(ASTContext &Ctx, 
                                        Decl::ObjCDeclQualifier Quals, 
                                        QualType T) {
    Out << '(';
    if (Quals & Decl::ObjCDeclQualifier::OBJC_TQ_In)
      Out << "in ";
    if (Quals & Decl::ObjCDeclQualifier::OBJC_TQ_Inout)
      Out << "inout ";
    if (Quals & Decl::ObjCDeclQualifier::OBJC_TQ_Out)
      Out << "out ";
    if (Quals & Decl::ObjCDeclQualifier::OBJC_TQ_Bycopy)
      Out << "bycopy ";
    if (Quals & Decl::ObjCDeclQualifier::OBJC_TQ_Byref)
      Out << "byref ";
    if (Quals & Decl::ObjCDeclQualifier::OBJC_TQ_Oneway)
      Out << "oneway ";
    if (Quals & Decl::ObjCDeclQualifier::OBJC_TQ_CSNullability) {
      if (auto nullability = AttributedType::stripOuterNullability(T))
        Out << getNullabilitySpelling(*nullability, true) << ' ';
    }
    
    Out << Ctx.getUnqualifiedObjCPointerType(T).getAsString(Policy);
    Out << ')';
  }
  
  void DeclPrinter::PrintObjCTypeParams(ObjCTypeParamList *Params) {
    Out << "<";
    unsigned First = true;
    for (auto *Param : *Params) {
      if (First) {
        First = false;
      } else {
        Out << ", ";
      }
  
      switch (Param->getVariance()) {
      case ObjCTypeParamVariance::Invariant:
        break;
  
      case ObjCTypeParamVariance::Covariant:
        Out << "__covariant ";
        break;
  
      case ObjCTypeParamVariance::Contravariant:
        Out << "__contravariant ";
        break;
      }
  
      Out << Param->getDeclName().getAsString();
  
      if (Param->hasExplicitBound()) {
        Out << " : " << Param->getUnderlyingType().getAsString(Policy);
      }
    }
    Out << ">";
  }
  
  void DeclPrinter::VisitObjCMethodDecl(ObjCMethodDecl *OMD) {
    if (OMD->isInstanceMethod())
      Out << "- ";
    else
      Out << "+ ";
    if (!OMD->getReturnType().isNull()) {
      PrintObjCMethodType(OMD->getASTContext(), OMD->getObjCDeclQualifier(),
                          OMD->getReturnType());
    }
  
    std::string name = OMD->getSelector().getAsString();
    std::string::size_type pos, lastPos = 0;
    for (const auto *PI : OMD->params()) {
      // FIXME: selector is missing here!
      pos = name.find_first_of(':', lastPos);
      Out << " " << name.substr(lastPos, pos - lastPos) << ':';
      PrintObjCMethodType(OMD->getASTContext(), 
                          PI->getObjCDeclQualifier(),
                          PI->getType());
      Out << *PI;
      lastPos = pos + 1;
    }
  
    if (OMD->param_begin() == OMD->param_end())
      Out << " " << name;
  
    if (OMD->isVariadic())
        Out << ", ...";
    
    prettyPrintAttributes(OMD);
  
    if (OMD->getBody() && !Policy.TerseOutput) {
      Out << ' ';
      OMD->getBody()->printPretty(Out, nullptr, Policy);
    }
    else if (Policy.PolishForDeclaration)
      Out << ';';
  }
  
  void DeclPrinter::VisitObjCImplementationDecl(ObjCImplementationDecl *OID) {
    std::string I = OID->getNameAsString();
    ObjCInterfaceDecl *SID = OID->getSuperClass();
  
    bool eolnOut = false;
    if (SID)
      Out << "@implementation " << I << " : " << *SID;
    else
      Out << "@implementation " << I;
    
    if (OID->ivar_size() > 0) {
      Out << "{\n";
      eolnOut = true;
      Indentation += Policy.Indentation;
      for (const auto *I : OID->ivars()) {
        Indent() << I->getASTContext().getUnqualifiedObjCPointerType(I->getType()).
                      getAsString(Policy) << ' ' << *I << ";\n";
      }
      Indentation -= Policy.Indentation;
      Out << "}\n";
    }
    else if (SID || (OID->decls_begin() != OID->decls_end())) {
      Out << "\n";
      eolnOut = true;
    }
    VisitDeclContext(OID, false);
    if (!eolnOut)
      Out << "\n";
    Out << "@end";
  }
  
  void DeclPrinter::VisitObjCInterfaceDecl(ObjCInterfaceDecl *OID) {
    std::string I = OID->getNameAsString();
    ObjCInterfaceDecl *SID = OID->getSuperClass();
  
    if (!OID->isThisDeclarationADefinition()) {
      Out << "@class " << I;
  
      if (auto TypeParams = OID->getTypeParamListAsWritten()) {
        PrintObjCTypeParams(TypeParams);
      }
  
      Out << ";";
      return;
    }
    bool eolnOut = false;
    Out << "@interface " << I;
  
    if (auto TypeParams = OID->getTypeParamListAsWritten()) {
      PrintObjCTypeParams(TypeParams);
    }
    
    if (SID)
      Out << " : " << OID->getSuperClass()->getName();
  
    // Protocols?
    const ObjCList<ObjCProtocolDecl> &Protocols = OID->getReferencedProtocols();
    if (!Protocols.empty()) {
      for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(),
           E = Protocols.end(); I != E; ++I)
        Out << (I == Protocols.begin() ? '<' : ',') << **I;
      Out << "> ";
    }
  
    if (OID->ivar_size() > 0) {
      Out << "{\n";
      eolnOut = true;
      Indentation += Policy.Indentation;
      for (const auto *I : OID->ivars()) {
        Indent() << I->getASTContext()
                        .getUnqualifiedObjCPointerType(I->getType())
                        .getAsString(Policy) << ' ' << *I << ";\n";
      }
      Indentation -= Policy.Indentation;
      Out << "}\n";
    }
    else if (SID || (OID->decls_begin() != OID->decls_end())) {
      Out << "\n";
      eolnOut = true;
    }
  
    VisitDeclContext(OID, false);
    if (!eolnOut)
      Out << "\n";
    Out << "@end";
    // FIXME: implement the rest...
  }
  
  void DeclPrinter::VisitObjCProtocolDecl(ObjCProtocolDecl *PID) {
    if (!PID->isThisDeclarationADefinition()) {
      Out << "@protocol " << *PID << ";\n";
      return;
    }
    // Protocols?
    const ObjCList<ObjCProtocolDecl> &Protocols = PID->getReferencedProtocols();
    if (!Protocols.empty()) {
      Out << "@protocol " << *PID;
      for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(),
           E = Protocols.end(); I != E; ++I)
        Out << (I == Protocols.begin() ? '<' : ',') << **I;
      Out << ">\n";
    } else
      Out << "@protocol " << *PID << '\n';
    VisitDeclContext(PID, false);
    Out << "@end";
  }
  
  void DeclPrinter::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *PID) {
    Out << "@implementation " << *PID->getClassInterface() << '(' << *PID <<")\n";
  
    VisitDeclContext(PID, false);
    Out << "@end";
    // FIXME: implement the rest...
  }
  
  void DeclPrinter::VisitObjCCategoryDecl(ObjCCategoryDecl *PID) {
    Out << "@interface " << *PID->getClassInterface();
    if (auto TypeParams = PID->getTypeParamList()) {
      PrintObjCTypeParams(TypeParams);
    }
    Out << "(" << *PID << ")\n";
    if (PID->ivar_size() > 0) {
      Out << "{\n";
      Indentation += Policy.Indentation;
      for (const auto *I : PID->ivars())
        Indent() << I->getASTContext().getUnqualifiedObjCPointerType(I->getType()).
                      getAsString(Policy) << ' ' << *I << ";\n";
      Indentation -= Policy.Indentation;
      Out << "}\n";
    }
    
    VisitDeclContext(PID, false);
    Out << "@end";
  
    // FIXME: implement the rest...
  }
  
  void DeclPrinter::VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *AID) {
    Out << "@compatibility_alias " << *AID
        << ' ' << *AID->getClassInterface() << ";\n";
  }
  
  /// PrintObjCPropertyDecl - print a property declaration.
  ///
  void DeclPrinter::VisitObjCPropertyDecl(ObjCPropertyDecl *PDecl) {
    if (PDecl->getPropertyImplementation() == ObjCPropertyDecl::Required)
      Out << "@required\n";
    else if (PDecl->getPropertyImplementation() == ObjCPropertyDecl::Optional)
      Out << "@optional\n";
  
    QualType T = PDecl->getType();
  
    Out << "@property";
    if (PDecl->getPropertyAttributes() != ObjCPropertyDecl::OBJC_PR_noattr) {
      bool first = true;
      Out << " (";
      if (PDecl->getPropertyAttributes() &
          ObjCPropertyDecl::OBJC_PR_readonly) {
        Out << (first ? ' ' : ',') << "readonly";
        first = false;
      }
  
      if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) {
        Out << (first ? ' ' : ',') << "getter = ";
        PDecl->getGetterName().print(Out);
        first = false;
      }
      if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) {
        Out << (first ? ' ' : ',') << "setter = ";
        PDecl->getSetterName().print(Out);
        first = false;
      }
  
      if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_assign) {
        Out << (first ? ' ' : ',') << "assign";
        first = false;
      }
  
      if (PDecl->getPropertyAttributes() &
          ObjCPropertyDecl::OBJC_PR_readwrite) {
        Out << (first ? ' ' : ',') << "readwrite";
        first = false;
      }
  
      if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_retain) {
        Out << (first ? ' ' : ',') << "retain";
        first = false;
      }
  
      if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_strong) {
        Out << (first ? ' ' : ',') << "strong";
        first = false;
      }
  
      if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_copy) {
        Out << (first ? ' ' : ',') << "copy";
        first = false;
      }
  
      if (PDecl->getPropertyAttributes() &
          ObjCPropertyDecl::OBJC_PR_nonatomic) {
        Out << (first ? ' ' : ',') << "nonatomic";
        first = false;
      }
      if (PDecl->getPropertyAttributes() &
          ObjCPropertyDecl::OBJC_PR_atomic) {
        Out << (first ? ' ' : ',') << "atomic";
        first = false;
      }
      
      if (PDecl->getPropertyAttributes() &
          ObjCPropertyDecl::OBJC_PR_nullability) {
        if (auto nullability = AttributedType::stripOuterNullability(T)) {
          if (*nullability == NullabilityKind::Unspecified &&
              (PDecl->getPropertyAttributes() &
                 ObjCPropertyDecl::OBJC_PR_null_resettable)) {
            Out << (first ? ' ' : ',') << "null_resettable";
          } else {
            Out << (first ? ' ' : ',')
                << getNullabilitySpelling(*nullability, true);
          }
          first = false;
        }
      }
  
      (void) first; // Silence dead store warning due to idiomatic code.
      Out << " )";
    }
    Out << ' ' << PDecl->getASTContext().getUnqualifiedObjCPointerType(T).
                    getAsString(Policy) << ' ' << *PDecl;
    if (Policy.PolishForDeclaration)
      Out << ';';
  }
  
  void DeclPrinter::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *PID) {
    if (PID->getPropertyImplementation() == ObjCPropertyImplDecl::Synthesize)
      Out << "@synthesize ";
    else
      Out << "@dynamic ";
    Out << *PID->getPropertyDecl();
    if (PID->getPropertyIvarDecl())
      Out << '=' << *PID->getPropertyIvarDecl();
  }
  
  void DeclPrinter::VisitUsingDecl(UsingDecl *D) {
    if (!D->isAccessDeclaration())
      Out << "using ";
    if (D->hasTypename())
      Out << "typename ";
    D->getQualifier()->print(Out, Policy);
    Out << *D;
  }
  
  void
  DeclPrinter::VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D) {
    Out << "using typename ";
    D->getQualifier()->print(Out, Policy);
    Out << D->getDeclName();
  }
  
  void DeclPrinter::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) {
    if (!D->isAccessDeclaration())
      Out << "using ";
    D->getQualifier()->print(Out, Policy);
    Out << D->getName();
  }
  
  void DeclPrinter::VisitUsingShadowDecl(UsingShadowDecl *D) {
    // ignore
  }
  
  void DeclPrinter::VisitOMPThreadPrivateDecl(OMPThreadPrivateDecl *D) {
    Out << "#pragma omp threadprivate";
    if (!D->varlist_empty()) {
      for (OMPThreadPrivateDecl::varlist_iterator I = D->varlist_begin(),
                                                  E = D->varlist_end();
                                                  I != E; ++I) {
        Out << (I == D->varlist_begin() ? '(' : ',');
        NamedDecl *ND = cast<NamedDecl>(cast<DeclRefExpr>(*I)->getDecl());
        ND->printQualifiedName(Out);
      }
      Out << ")";
    }
  }
  
  // HLSL Change Begin
  void DeclPrinter::VisitHLSLBufferDecl(HLSLBufferDecl *D) {
    if (D->isCBuffer()) {
      Out << "cbuffer ";
    }
    else { 
      Out << "tbuffer ";
    }
      
    Out << *D;
  
    PrintUnusualAnnotations(D);
    prettyPrintAttributes(D);
  
    Out << " {\n";
    VisitDeclContext(D);
    Indent() << "}";
  }
  
  void DeclPrinter::PrintUnusualAnnotations(NamedDecl* D) {
    if (D->isInvalidDecl()) 
      return;
  
    ArrayRef<hlsl::UnusualAnnotation *> Annotations = D->getUnusualAnnotations();
    if (!Annotations.empty()) {
      for (auto i = Annotations.begin(), e = Annotations.end(); i != e; ++i) {
        VisitHLSLUnusualAnnotation(*i);
      }
    }
  }
  
  void DeclPrinter::VisitHLSLUnusualAnnotation(const hlsl::UnusualAnnotation *UA) {
    switch (UA->getKind()) {
    case hlsl::UnusualAnnotation::UA_SemanticDecl: {
      const hlsl::SemanticDecl * semdecl = dyn_cast<hlsl::SemanticDecl>(UA);
      Out << " : " << semdecl->SemanticName.str();
      break;
    }
    case hlsl::UnusualAnnotation::UA_RegisterAssignment: {
      const hlsl::RegisterAssignment * ra = dyn_cast<hlsl::RegisterAssignment>(UA);
      if (ra->RegisterType) {
        Out << " : register(";
        if (!ra->ShaderProfile.empty()) {
          Out << ra->ShaderProfile.str() << ", ";
        }
        Out << ra->RegisterType << ra->RegisterNumber;
      
        if (ra->RegisterOffset) {
          Out << "[" << ra->RegisterOffset << "]";
        }
        Out << ")";
      }
      break;
    }
    case hlsl::UnusualAnnotation::UA_ConstantPacking: {
      const hlsl::ConstantPacking * cp = dyn_cast<hlsl::ConstantPacking>(UA);
      Out << " : packoffset(c" << cp->Subcomponent; //packing applies to constant registers (c) only
      if (cp->ComponentOffset) {
        switch (cp->ComponentOffset) {
        case 1:
          Out << ".y";
          break;
        case 2:
          Out << ".z";
          break;
        case 3:
          Out << ".w";
          break;
        }
      }
      Out << ")";
      break;
    }
    }
  }
  
  void DeclPrinter::PrintHLSLPreAttr(NamedDecl* D) {
    AttrVec &Attrs = D->getAttrs();
    std::vector<Attr*> tempVec;
    for (AttrVec::const_reverse_iterator i = Attrs.rbegin(), e = Attrs.rend(); i != e; ++i) {
      Attr *A = *i;
      hlsl::CustomPrintHLSLAttr(A, Out, Policy, Indentation);
    }
    
  }
  
  // HLSL Change End
  