/build/llvm-toolchain-snapshot-7~svn329677/tools/clang/lib/AST/ASTImporter.cpp

Bug Summary

File:	tools/clang/lib/AST/ASTImporter.cpp
Warning:	line 3935, column 12 Called C++ object pointer is null

Annotated Source Code

Press '?' to see keyboard shortcuts

Show analyzer invocation

clang -cc1 -triple x86_64-pc-linux-gnu -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name ASTImporter.cpp -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-eagerly-assume -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=cplusplus -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -mrelocation-model pic -pic-level 2 -mthread-model posix -relaxed-aliasing -fmath-errno -masm-verbose -mconstructor-aliases -munwind-tables -fuse-init-array -target-cpu x86-64 -dwarf-column-info -debugger-tuning=gdb -momit-leaf-frame-pointer -ffunction-sections -fdata-sections -resource-dir /usr/lib/llvm-7/lib/clang/7.0.0 -D _DEBUG -D _GNU_SOURCE -D __STDC_CONSTANT_MACROS -D __STDC_FORMAT_MACROS -D __STDC_LIMIT_MACROS -I /build/llvm-toolchain-snapshot-7~svn329677/build-llvm/tools/clang/lib/AST -I /build/llvm-toolchain-snapshot-7~svn329677/tools/clang/lib/AST -I /build/llvm-toolchain-snapshot-7~svn329677/tools/clang/include -I /build/llvm-toolchain-snapshot-7~svn329677/build-llvm/tools/clang/include -I /build/llvm-toolchain-snapshot-7~svn329677/build-llvm/include -I /build/llvm-toolchain-snapshot-7~svn329677/include -U NDEBUG -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/x86_64-linux-gnu/c++/7.3.0 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/x86_64-linux-gnu/c++/7.3.0 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/backward -internal-isystem /usr/include/clang/7.0.0/include/ -internal-isystem /usr/local/include -internal-isystem /usr/lib/llvm-7/lib/clang/7.0.0/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -O2 -Wno-unused-parameter -Wwrite-strings -Wno-missing-field-initializers -Wno-long-long -Wno-maybe-uninitialized -Wno-comment -std=c++11 -fdeprecated-macro -fdebug-compilation-dir /build/llvm-toolchain-snapshot-7~svn329677/build-llvm/tools/clang/lib/AST -ferror-limit 19 -fmessage-length 0 -fvisibility-inlines-hidden -fobjc-runtime=gcc -fno-common -fdiagnostics-show-option -vectorize-loops -vectorize-slp -analyzer-checker optin.performance.Padding -analyzer-output=html -analyzer-config stable-report-filename=true -o /tmp/scan-build-2018-04-11-031539-24776-1 -x c++ /build/llvm-toolchain-snapshot-7~svn329677/tools/clang/lib/AST/ASTImporter.cpp

/build/llvm-toolchain-snapshot-7~svn329677/tools/clang/lib/AST/ASTImporter.cpp

→

1//===- ASTImporter.cpp - Importing ASTs from other Contexts ---------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10//  This file defines the ASTImporter class which imports AST nodes from one
11//  context into another context.
12//
13//===----------------------------------------------------------------------===//

15#include "clang/AST/ASTImporter.h"
16#include "clang/AST/ASTContext.h"
17#include "clang/AST/ASTDiagnostic.h"
18#include "clang/AST/ASTStructuralEquivalence.h"
19#include "clang/AST/Attr.h"
20#include "clang/AST/Decl.h"
21#include "clang/AST/DeclAccessPair.h"
22#include "clang/AST/DeclBase.h"
23#include "clang/AST/DeclCXX.h"
24#include "clang/AST/DeclFriend.h"
25#include "clang/AST/DeclGroup.h"
26#include "clang/AST/DeclObjC.h"
27#include "clang/AST/DeclTemplate.h"
28#include "clang/AST/DeclVisitor.h"
29#include "clang/AST/DeclarationName.h"
30#include "clang/AST/Expr.h"
31#include "clang/AST/ExprCXX.h"
32#include "clang/AST/ExprObjC.h"
33#include "clang/AST/ExternalASTSource.h"
34#include "clang/AST/LambdaCapture.h"
35#include "clang/AST/NestedNameSpecifier.h"
36#include "clang/AST/OperationKinds.h"
37#include "clang/AST/Stmt.h"
38#include "clang/AST/StmtCXX.h"
39#include "clang/AST/StmtObjC.h"
40#include "clang/AST/StmtVisitor.h"
41#include "clang/AST/TemplateBase.h"
42#include "clang/AST/TemplateName.h"
43#include "clang/AST/Type.h"
44#include "clang/AST/TypeLoc.h"
45#include "clang/AST/TypeVisitor.h"
46#include "clang/AST/UnresolvedSet.h"
47#include "clang/Basic/ExceptionSpecificationType.h"
48#include "clang/Basic/FileManager.h"
49#include "clang/Basic/IdentifierTable.h"
50#include "clang/Basic/LLVM.h"
51#include "clang/Basic/LangOptions.h"
52#include "clang/Basic/SourceLocation.h"
53#include "clang/Basic/SourceManager.h"
54#include "clang/Basic/Specifiers.h"
55#include "llvm/ADT/APSInt.h"
56#include "llvm/ADT/ArrayRef.h"
57#include "llvm/ADT/DenseMap.h"
58#include "llvm/ADT/None.h"
59#include "llvm/ADT/Optional.h"
60#include "llvm/ADT/STLExtras.h"
61#include "llvm/ADT/SmallVector.h"
62#include "llvm/Support/Casting.h"
63#include "llvm/Support/ErrorHandling.h"
64#include "llvm/Support/MemoryBuffer.h"
65#include <algorithm>
66#include <cassert>
67#include <cstddef>
68#include <memory>
69#include <type_traits>
70#include <utility>

72namespace clang {

class ASTNodeImporter : public TypeVisitor<ASTNodeImporter, QualType>,
                        public DeclVisitor<ASTNodeImporter, Decl *>,
                        public StmtVisitor<ASTNodeImporter, Stmt *> {
  ASTImporter &Importer;

public:
  explicit ASTNodeImporter(ASTImporter &Importer) : Importer(Importer) {}
  
  using TypeVisitor<ASTNodeImporter, QualType>::Visit;
  using DeclVisitor<ASTNodeImporter, Decl *>::Visit;
  using StmtVisitor<ASTNodeImporter, Stmt *>::Visit;

  // Importing types
  QualType VisitType(const Type *T);
  QualType VisitAtomicType(const AtomicType *T);
  QualType VisitBuiltinType(const BuiltinType *T);
  QualType VisitDecayedType(const DecayedType *T);
  QualType VisitComplexType(const ComplexType *T);
  QualType VisitPointerType(const PointerType *T);
  QualType VisitBlockPointerType(const BlockPointerType *T);
  QualType VisitLValueReferenceType(const LValueReferenceType *T);
  QualType VisitRValueReferenceType(const RValueReferenceType *T);
  QualType VisitMemberPointerType(const MemberPointerType *T);
  QualType VisitConstantArrayType(const ConstantArrayType *T);
  QualType VisitIncompleteArrayType(const IncompleteArrayType *T);
  QualType VisitVariableArrayType(const VariableArrayType *T);
  QualType VisitDependentSizedArrayType(const DependentSizedArrayType *T);
  // FIXME: DependentSizedExtVectorType
  QualType VisitVectorType(const VectorType *T);
  QualType VisitExtVectorType(const ExtVectorType *T);
  QualType VisitFunctionNoProtoType(const FunctionNoProtoType *T);
  QualType VisitFunctionProtoType(const FunctionProtoType *T);
  QualType VisitUnresolvedUsingType(const UnresolvedUsingType *T);
  QualType VisitParenType(const ParenType *T);
  QualType VisitTypedefType(const TypedefType *T);
  QualType VisitTypeOfExprType(const TypeOfExprType *T);
  // FIXME: DependentTypeOfExprType
  QualType VisitTypeOfType(const TypeOfType *T);
  QualType VisitDecltypeType(const DecltypeType *T);
  QualType VisitUnaryTransformType(const UnaryTransformType *T);
  QualType VisitAutoType(const AutoType *T);
  QualType VisitInjectedClassNameType(const InjectedClassNameType *T);
  // FIXME: DependentDecltypeType
  QualType VisitRecordType(const RecordType *T);
  QualType VisitEnumType(const EnumType *T);
  QualType VisitAttributedType(const AttributedType *T);
  QualType VisitTemplateTypeParmType(const TemplateTypeParmType *T);
  QualType VisitSubstTemplateTypeParmType(const SubstTemplateTypeParmType *T);
  QualType VisitTemplateSpecializationType(const TemplateSpecializationType *T);
  QualType VisitElaboratedType(const ElaboratedType *T);
  // FIXME: DependentNameType
  QualType VisitPackExpansionType(const PackExpansionType *T);
  QualType VisitDependentTemplateSpecializationType(
      const DependentTemplateSpecializationType *T);
  QualType VisitObjCInterfaceType(const ObjCInterfaceType *T);
  QualType VisitObjCObjectType(const ObjCObjectType *T);
  QualType VisitObjCObjectPointerType(const ObjCObjectPointerType *T);
                          
  // Importing declarations                            
  bool ImportDeclParts(NamedDecl *D, DeclContext *&DC, 
                       DeclContext *&LexicalDC, DeclarationName &Name, 
                       NamedDecl *&ToD, SourceLocation &Loc);
  void ImportDefinitionIfNeeded(Decl *FromD, Decl *ToD = nullptr);
  void ImportDeclarationNameLoc(const DeclarationNameInfo &From,
                                DeclarationNameInfo& To);
  void ImportDeclContext(DeclContext *FromDC, bool ForceImport = false);

  bool ImportCastPath(CastExpr *E, CXXCastPath &Path);

  using Designator = DesignatedInitExpr::Designator;

  Designator ImportDesignator(const Designator &D);

  Optional<LambdaCapture> ImportLambdaCapture(const LambdaCapture &From);
                      
  /// \brief What we should import from the definition.
  enum ImportDefinitionKind { 
    /// \brief Import the default subset of the definition, which might be
    /// nothing (if minimal import is set) or might be everything (if minimal
    /// import is not set).
    IDK_Default,

    /// \brief Import everything.
    IDK_Everything,

    /// \brief Import only the bare bones needed to establish a valid
    /// DeclContext.
    IDK_Basic
  };

  bool shouldForceImportDeclContext(ImportDefinitionKind IDK) {
    return IDK == IDK_Everything ||
           (IDK == IDK_Default && !Importer.isMinimalImport());
  }

  bool ImportDefinition(RecordDecl *From, RecordDecl *To, 
                        ImportDefinitionKind Kind = IDK_Default);
  bool ImportDefinition(VarDecl *From, VarDecl *To,
                        ImportDefinitionKind Kind = IDK_Default);
  bool ImportDefinition(EnumDecl *From, EnumDecl *To,
                        ImportDefinitionKind Kind = IDK_Default);
  bool ImportDefinition(ObjCInterfaceDecl *From, ObjCInterfaceDecl *To,
                        ImportDefinitionKind Kind = IDK_Default);
  bool ImportDefinition(ObjCProtocolDecl *From, ObjCProtocolDecl *To,
                        ImportDefinitionKind Kind = IDK_Default);
  TemplateParameterList *ImportTemplateParameterList(
      TemplateParameterList *Params);
  TemplateArgument ImportTemplateArgument(const TemplateArgument &From);
  Optional<TemplateArgumentLoc> ImportTemplateArgumentLoc(
      const TemplateArgumentLoc &TALoc);
  bool ImportTemplateArguments(const TemplateArgument *FromArgs,
                               unsigned NumFromArgs,
                               SmallVectorImpl<TemplateArgument> &ToArgs);

  template <typename InContainerTy>
  bool ImportTemplateArgumentListInfo(const InContainerTy &Container,
                                      TemplateArgumentListInfo &ToTAInfo);

  template<typename InContainerTy>
  bool ImportTemplateArgumentListInfo(SourceLocation FromLAngleLoc,
                                      SourceLocation FromRAngleLoc,
                                      const InContainerTy &Container,
                                      TemplateArgumentListInfo &Result);

  bool ImportTemplateInformation(FunctionDecl *FromFD, FunctionDecl *ToFD);

  bool IsStructuralMatch(RecordDecl *FromRecord, RecordDecl *ToRecord,
                         bool Complain = true);
  bool IsStructuralMatch(VarDecl *FromVar, VarDecl *ToVar,
                         bool Complain = true);
  bool IsStructuralMatch(EnumDecl *FromEnum, EnumDecl *ToRecord);
  bool IsStructuralMatch(EnumConstantDecl *FromEC, EnumConstantDecl *ToEC);
  bool IsStructuralMatch(FunctionTemplateDecl *From,
                         FunctionTemplateDecl *To);
  bool IsStructuralMatch(ClassTemplateDecl *From, ClassTemplateDecl *To);
  bool IsStructuralMatch(VarTemplateDecl *From, VarTemplateDecl *To);
  Decl *VisitDecl(Decl *D);
  Decl *VisitEmptyDecl(EmptyDecl *D);
  Decl *VisitAccessSpecDecl(AccessSpecDecl *D);
  Decl *VisitStaticAssertDecl(StaticAssertDecl *D);
  Decl *VisitTranslationUnitDecl(TranslationUnitDecl *D);
  Decl *VisitNamespaceDecl(NamespaceDecl *D);
  Decl *VisitNamespaceAliasDecl(NamespaceAliasDecl *D);
  Decl *VisitTypedefNameDecl(TypedefNameDecl *D, bool IsAlias);
  Decl *VisitTypedefDecl(TypedefDecl *D);
  Decl *VisitTypeAliasDecl(TypeAliasDecl *D);
  Decl *VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D);
  Decl *VisitLabelDecl(LabelDecl *D);
  Decl *VisitEnumDecl(EnumDecl *D);
  Decl *VisitRecordDecl(RecordDecl *D);
  Decl *VisitEnumConstantDecl(EnumConstantDecl *D);
  Decl *VisitFunctionDecl(FunctionDecl *D);
  Decl *VisitCXXMethodDecl(CXXMethodDecl *D);
  Decl *VisitCXXConstructorDecl(CXXConstructorDecl *D);
  Decl *VisitCXXDestructorDecl(CXXDestructorDecl *D);
  Decl *VisitCXXConversionDecl(CXXConversionDecl *D);
  Decl *VisitFieldDecl(FieldDecl *D);
  Decl *VisitIndirectFieldDecl(IndirectFieldDecl *D);
  Decl *VisitFriendDecl(FriendDecl *D);
  Decl *VisitObjCIvarDecl(ObjCIvarDecl *D);
  Decl *VisitVarDecl(VarDecl *D);
  Decl *VisitImplicitParamDecl(ImplicitParamDecl *D);
  Decl *VisitParmVarDecl(ParmVarDecl *D);
  Decl *VisitObjCMethodDecl(ObjCMethodDecl *D);
  Decl *VisitObjCTypeParamDecl(ObjCTypeParamDecl *D);
  Decl *VisitObjCCategoryDecl(ObjCCategoryDecl *D);
  Decl *VisitObjCProtocolDecl(ObjCProtocolDecl *D);
  Decl *VisitLinkageSpecDecl(LinkageSpecDecl *D);
  Decl *VisitUsingDecl(UsingDecl *D);
  Decl *VisitUsingShadowDecl(UsingShadowDecl *D);
  Decl *VisitUsingDirectiveDecl(UsingDirectiveDecl *D);
  Decl *VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D);
  Decl *VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D);

  ObjCTypeParamList *ImportObjCTypeParamList(ObjCTypeParamList *list);
  Decl *VisitObjCInterfaceDecl(ObjCInterfaceDecl *D);
  Decl *VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D);
  Decl *VisitObjCImplementationDecl(ObjCImplementationDecl *D);
  Decl *VisitObjCPropertyDecl(ObjCPropertyDecl *D);
  Decl *VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D);
  Decl *VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D);
  Decl *VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D);
  Decl *VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D);
  Decl *VisitClassTemplateDecl(ClassTemplateDecl *D);
  Decl *VisitClassTemplateSpecializationDecl(
                                          ClassTemplateSpecializationDecl *D);
  Decl *VisitVarTemplateDecl(VarTemplateDecl *D);
  Decl *VisitVarTemplateSpecializationDecl(VarTemplateSpecializationDecl *D);
  Decl *VisitFunctionTemplateDecl(FunctionTemplateDecl *D);

  // Importing statements
  DeclGroupRef ImportDeclGroup(DeclGroupRef DG);

  Stmt *VisitStmt(Stmt *S);
  Stmt *VisitGCCAsmStmt(GCCAsmStmt *S);
  Stmt *VisitDeclStmt(DeclStmt *S);
  Stmt *VisitNullStmt(NullStmt *S);
  Stmt *VisitCompoundStmt(CompoundStmt *S);
  Stmt *VisitCaseStmt(CaseStmt *S);
  Stmt *VisitDefaultStmt(DefaultStmt *S);
  Stmt *VisitLabelStmt(LabelStmt *S);
  Stmt *VisitAttributedStmt(AttributedStmt *S);
  Stmt *VisitIfStmt(IfStmt *S);
  Stmt *VisitSwitchStmt(SwitchStmt *S);
  Stmt *VisitWhileStmt(WhileStmt *S);
  Stmt *VisitDoStmt(DoStmt *S);
  Stmt *VisitForStmt(ForStmt *S);
  Stmt *VisitGotoStmt(GotoStmt *S);
  Stmt *VisitIndirectGotoStmt(IndirectGotoStmt *S);
  Stmt *VisitContinueStmt(ContinueStmt *S);
  Stmt *VisitBreakStmt(BreakStmt *S);
  Stmt *VisitReturnStmt(ReturnStmt *S);
  // FIXME: MSAsmStmt
  // FIXME: SEHExceptStmt
  // FIXME: SEHFinallyStmt
  // FIXME: SEHTryStmt
  // FIXME: SEHLeaveStmt
  // FIXME: CapturedStmt
  Stmt *VisitCXXCatchStmt(CXXCatchStmt *S);
  Stmt *VisitCXXTryStmt(CXXTryStmt *S);
  Stmt *VisitCXXForRangeStmt(CXXForRangeStmt *S);
  // FIXME: MSDependentExistsStmt
  Stmt *VisitObjCForCollectionStmt(ObjCForCollectionStmt *S);
  Stmt *VisitObjCAtCatchStmt(ObjCAtCatchStmt *S);
  Stmt *VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S);
  Stmt *VisitObjCAtTryStmt(ObjCAtTryStmt *S);
  Stmt *VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S);
  Stmt *VisitObjCAtThrowStmt(ObjCAtThrowStmt *S);
  Stmt *VisitObjCAutoreleasePoolStmt(ObjCAutoreleasePoolStmt *S);

  // Importing expressions
  Expr *VisitExpr(Expr *E);
  Expr *VisitVAArgExpr(VAArgExpr *E);
  Expr *VisitGNUNullExpr(GNUNullExpr *E);
  Expr *VisitPredefinedExpr(PredefinedExpr *E);
  Expr *VisitDeclRefExpr(DeclRefExpr *E);
  Expr *VisitImplicitValueInitExpr(ImplicitValueInitExpr *ILE);
  Expr *VisitDesignatedInitExpr(DesignatedInitExpr *E);
  Expr *VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E);
  Expr *VisitIntegerLiteral(IntegerLiteral *E);
  Expr *VisitFloatingLiteral(FloatingLiteral *E);
  Expr *VisitCharacterLiteral(CharacterLiteral *E);
  Expr *VisitStringLiteral(StringLiteral *E);
  Expr *VisitCompoundLiteralExpr(CompoundLiteralExpr *E);
  Expr *VisitAtomicExpr(AtomicExpr *E);
  Expr *VisitAddrLabelExpr(AddrLabelExpr *E);
  Expr *VisitParenExpr(ParenExpr *E);
  Expr *VisitParenListExpr(ParenListExpr *E);
  Expr *VisitStmtExpr(StmtExpr *E);
  Expr *VisitUnaryOperator(UnaryOperator *E);
  Expr *VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr *E);
  Expr *VisitBinaryOperator(BinaryOperator *E);
  Expr *VisitConditionalOperator(ConditionalOperator *E);
  Expr *VisitBinaryConditionalOperator(BinaryConditionalOperator *E);
  Expr *VisitOpaqueValueExpr(OpaqueValueExpr *E);
  Expr *VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E);
  Expr *VisitExpressionTraitExpr(ExpressionTraitExpr *E);
  Expr *VisitArraySubscriptExpr(ArraySubscriptExpr *E);
  Expr *VisitCompoundAssignOperator(CompoundAssignOperator *E);
  Expr *VisitImplicitCastExpr(ImplicitCastExpr *E);
  Expr *VisitExplicitCastExpr(ExplicitCastExpr *E);
  Expr *VisitOffsetOfExpr(OffsetOfExpr *OE);
  Expr *VisitCXXThrowExpr(CXXThrowExpr *E);
  Expr *VisitCXXNoexceptExpr(CXXNoexceptExpr *E);
  Expr *VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E);
  Expr *VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E);
  Expr *VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E);
  Expr *VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *CE);
  Expr *VisitMaterializeTemporaryExpr(MaterializeTemporaryExpr *E);
  Expr *VisitPackExpansionExpr(PackExpansionExpr *E);
  Expr *VisitSizeOfPackExpr(SizeOfPackExpr *E);
  Expr *VisitCXXNewExpr(CXXNewExpr *CE);
  Expr *VisitCXXDeleteExpr(CXXDeleteExpr *E);
  Expr *VisitCXXConstructExpr(CXXConstructExpr *E);
  Expr *VisitCXXMemberCallExpr(CXXMemberCallExpr *E);
  Expr *VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E);
  Expr *VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *CE);
  Expr *VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E);
  Expr *VisitExprWithCleanups(ExprWithCleanups *EWC);
  Expr *VisitCXXThisExpr(CXXThisExpr *E);
  Expr *VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E);
  Expr *VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E);
  Expr *VisitMemberExpr(MemberExpr *E);
  Expr *VisitCallExpr(CallExpr *E);
  Expr *VisitLambdaExpr(LambdaExpr *LE);
  Expr *VisitInitListExpr(InitListExpr *E);
  Expr *VisitArrayInitLoopExpr(ArrayInitLoopExpr *E);
  Expr *VisitArrayInitIndexExpr(ArrayInitIndexExpr *E);
  Expr *VisitCXXDefaultInitExpr(CXXDefaultInitExpr *E);
  Expr *VisitCXXNamedCastExpr(CXXNamedCastExpr *E);
  Expr *VisitSubstNonTypeTemplateParmExpr(SubstNonTypeTemplateParmExpr *E);
  Expr *VisitTypeTraitExpr(TypeTraitExpr *E);
  Expr *VisitCXXTypeidExpr(CXXTypeidExpr *E);

  template<typename IIter, typename OIter>
  void ImportArray(IIter Ibegin, IIter Iend, OIter Obegin) {
    using ItemT = typename std::remove_reference<decltype(*Obegin)>::type;

    ASTImporter &ImporterRef = Importer;
    std::transform(Ibegin, Iend, Obegin,
                   [&ImporterRef](ItemT From) -> ItemT {
                     return ImporterRef.Import(From);
                   });
  }

  template<typename IIter, typename OIter>
  bool ImportArrayChecked(IIter Ibegin, IIter Iend, OIter Obegin) {
    using ItemT = typename std::remove_reference<decltype(**Obegin)>::type;

    ASTImporter &ImporterRef = Importer;
    bool Failed = false;
    std::transform(Ibegin, Iend, Obegin,
                   [&ImporterRef, &Failed](ItemT *From) -> ItemT * {
                     auto *To = cast_or_null<ItemT>(ImporterRef.Import(From));
                     if (!To && From)
                       Failed = true;
                     return To;
                   });
    return Failed;
  }

  template<typename InContainerTy, typename OutContainerTy>
  bool ImportContainerChecked(const InContainerTy &InContainer,
                              OutContainerTy &OutContainer) {
    return ImportArrayChecked(InContainer.begin(), InContainer.end(),
                              OutContainer.begin());
  }

  template<typename InContainerTy, typename OIter>
  bool ImportArrayChecked(const InContainerTy &InContainer, OIter Obegin) {
    return ImportArrayChecked(InContainer.begin(), InContainer.end(), Obegin);
  }

  // Importing overrides.
  void ImportOverrides(CXXMethodDecl *ToMethod, CXXMethodDecl *FromMethod);
};

411template <typename InContainerTy>
412bool ASTNodeImporter::ImportTemplateArgumentListInfo(
  SourceLocation FromLAngleLoc, SourceLocation FromRAngleLoc,
  const InContainerTy &Container, TemplateArgumentListInfo &Result) {
TemplateArgumentListInfo ToTAInfo(Importer.Import(FromLAngleLoc),
                                  Importer.Import(FromRAngleLoc));
if (ImportTemplateArgumentListInfo(Container, ToTAInfo))
  return true;
Result = ToTAInfo;
return false;
421}

423template <>
424bool ASTNodeImporter::ImportTemplateArgumentListInfo<TemplateArgumentListInfo>(
  const TemplateArgumentListInfo &From, TemplateArgumentListInfo &Result) {
return ImportTemplateArgumentListInfo(
    From.getLAngleLoc(), From.getRAngleLoc(), From.arguments(), Result);
428}

430template <>
431bool ASTNodeImporter::ImportTemplateArgumentListInfo<
  ASTTemplateArgumentListInfo>(const ASTTemplateArgumentListInfo &From,
                               TemplateArgumentListInfo &Result) {
return ImportTemplateArgumentListInfo(From.LAngleLoc, From.RAngleLoc,
                                      From.arguments(), Result);
436}

438} // namespace clang

440//----------------------------------------------------------------------------
441// Import Types
442//----------------------------------------------------------------------------

444using namespace clang;

446QualType ASTNodeImporter::VisitType(const Type *T) {
Importer.FromDiag(SourceLocation(), diag::err_unsupported_ast_node)
  << T->getTypeClassName();
return {};
450}

452QualType ASTNodeImporter::VisitAtomicType(const AtomicType *T){
QualType UnderlyingType = Importer.Import(T->getValueType());
if(UnderlyingType.isNull())
  return {};

return Importer.getToContext().getAtomicType(UnderlyingType);
458}

460QualType ASTNodeImporter::VisitBuiltinType(const BuiltinType *T) {
switch (T->getKind()) {
462#define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
case BuiltinType::Id: \
  return Importer.getToContext().SingletonId;
465#include "clang/Basic/OpenCLImageTypes.def"
466#define SHARED_SINGLETON_TYPE(Expansion)
467#define BUILTIN_TYPE(Id, SingletonId) \
case BuiltinType::Id: return Importer.getToContext().SingletonId;
469#include "clang/AST/BuiltinTypes.def"

// FIXME: for Char16, Char32, and NullPtr, make sure that the "to"
// context supports C++.

// FIXME: for ObjCId, ObjCClass, and ObjCSel, make sure that the "to"
// context supports ObjC.

case BuiltinType::Char_U:
  // The context we're importing from has an unsigned 'char'. If we're 
  // importing into a context with a signed 'char', translate to 
  // 'unsigned char' instead.
  if (Importer.getToContext().getLangOpts().CharIsSigned)
    return Importer.getToContext().UnsignedCharTy;
  
  return Importer.getToContext().CharTy;

case BuiltinType::Char_S:
  // The context we're importing from has an unsigned 'char'. If we're 
  // importing into a context with a signed 'char', translate to 
  // 'unsigned char' instead.
  if (!Importer.getToContext().getLangOpts().CharIsSigned)
    return Importer.getToContext().SignedCharTy;
  
  return Importer.getToContext().CharTy;

case BuiltinType::WChar_S:
case BuiltinType::WChar_U:
  // FIXME: If not in C++, shall we translate to the C equivalent of
  // wchar_t?
  return Importer.getToContext().WCharTy;
}

llvm_unreachable("Invalid BuiltinType Kind!")::llvm::llvm_unreachable_internal("Invalid BuiltinType Kind!"
, "/build/llvm-toolchain-snapshot-7~svn329677/tools/clang/lib/AST/ASTImporter.cpp"
, 502);
503}

505QualType ASTNodeImporter::VisitDecayedType(const DecayedType *T) {
QualType OrigT = Importer.Import(T->getOriginalType());
if (OrigT.isNull())
  return {};

return Importer.getToContext().getDecayedType(OrigT);
511}

513QualType ASTNodeImporter::VisitComplexType(const ComplexType *T) {
QualType ToElementType = Importer.Import(T->getElementType());
if (ToElementType.isNull())
  return {};

return Importer.getToContext().getComplexType(ToElementType);
519}

521QualType ASTNodeImporter::VisitPointerType(const PointerType *T) {
QualType ToPointeeType = Importer.Import(T->getPointeeType());
if (ToPointeeType.isNull())
  return {};

return Importer.getToContext().getPointerType(ToPointeeType);
527}

529QualType ASTNodeImporter::VisitBlockPointerType(const BlockPointerType *T) {
// FIXME: Check for blocks support in "to" context.
QualType ToPointeeType = Importer.Import(T->getPointeeType());
if (ToPointeeType.isNull())
  return {};

return Importer.getToContext().getBlockPointerType(ToPointeeType);
536}

538QualType
539ASTNodeImporter::VisitLValueReferenceType(const LValueReferenceType *T) {
// FIXME: Check for C++ support in "to" context.
QualType ToPointeeType = Importer.Import(T->getPointeeTypeAsWritten());
if (ToPointeeType.isNull())
  return {};

return Importer.getToContext().getLValueReferenceType(ToPointeeType);
546}

548QualType
549ASTNodeImporter::VisitRValueReferenceType(const RValueReferenceType *T) {
// FIXME: Check for C++0x support in "to" context.
QualType ToPointeeType = Importer.Import(T->getPointeeTypeAsWritten());
if (ToPointeeType.isNull())
  return {};

return Importer.getToContext().getRValueReferenceType(ToPointeeType);  
556}

558QualType ASTNodeImporter::VisitMemberPointerType(const MemberPointerType *T) {
// FIXME: Check for C++ support in "to" context.
QualType ToPointeeType = Importer.Import(T->getPointeeType());
if (ToPointeeType.isNull())
  return {};

QualType ClassType = Importer.Import(QualType(T->getClass(), 0));
return Importer.getToContext().getMemberPointerType(ToPointeeType, 
                                                    ClassType.getTypePtr());
567}

569QualType ASTNodeImporter::VisitConstantArrayType(const ConstantArrayType *T) {
QualType ToElementType = Importer.Import(T->getElementType());
if (ToElementType.isNull())
  return {};

return Importer.getToContext().getConstantArrayType(ToElementType, 
                                                    T->getSize(),
                                                    T->getSizeModifier(),
                                             T->getIndexTypeCVRQualifiers());
578}

580QualType
581ASTNodeImporter::VisitIncompleteArrayType(const IncompleteArrayType *T) {
QualType ToElementType = Importer.Import(T->getElementType());
if (ToElementType.isNull())
  return {};

return Importer.getToContext().getIncompleteArrayType(ToElementType, 
                                                      T->getSizeModifier(),
                                              T->getIndexTypeCVRQualifiers());
589}

591QualType ASTNodeImporter::VisitVariableArrayType(const VariableArrayType *T) {
QualType ToElementType = Importer.Import(T->getElementType());
if (ToElementType.isNull())
  return {};

Expr *Size = Importer.Import(T->getSizeExpr());
if (!Size)
  return {};

SourceRange Brackets = Importer.Import(T->getBracketsRange());
return Importer.getToContext().getVariableArrayType(ToElementType, Size,
                                                    T->getSizeModifier(),
                                              T->getIndexTypeCVRQualifiers(),
                                                    Brackets);
605}

607QualType ASTNodeImporter::VisitDependentSizedArrayType(
  const DependentSizedArrayType *T) {
QualType ToElementType = Importer.Import(T->getElementType());
if (ToElementType.isNull())
  return {};

// SizeExpr may be null if size is not specified directly.
// For example, 'int a[]'.
Expr *Size = Importer.Import(T->getSizeExpr());
if (!Size && T->getSizeExpr())
  return {};

SourceRange Brackets = Importer.Import(T->getBracketsRange());
return Importer.getToContext().getDependentSizedArrayType(
    ToElementType, Size, T->getSizeModifier(), T->getIndexTypeCVRQualifiers(),
    Brackets);
623}

625QualType ASTNodeImporter::VisitVectorType(const VectorType *T) {
QualType ToElementType = Importer.Import(T->getElementType());
if (ToElementType.isNull())
  return {};

return Importer.getToContext().getVectorType(ToElementType, 
                                             T->getNumElements(),
                                             T->getVectorKind());
633}

635QualType ASTNodeImporter::VisitExtVectorType(const ExtVectorType *T) {
QualType ToElementType = Importer.Import(T->getElementType());
if (ToElementType.isNull())
  return {};

return Importer.getToContext().getExtVectorType(ToElementType, 
                                                T->getNumElements());
642}

644QualType
645ASTNodeImporter::VisitFunctionNoProtoType(const FunctionNoProtoType *T) {
// FIXME: What happens if we're importing a function without a prototype 
// into C++? Should we make it variadic?
QualType ToResultType = Importer.Import(T->getReturnType());
if (ToResultType.isNull())
  return {};

return Importer.getToContext().getFunctionNoProtoType(ToResultType,
                                                      T->getExtInfo());
654}

656QualType ASTNodeImporter::VisitFunctionProtoType(const FunctionProtoType *T) {
QualType ToResultType = Importer.Import(T->getReturnType());
if (ToResultType.isNull())
  return {};

// Import argument types
SmallVector<QualType, 4> ArgTypes;
for (const auto &A : T->param_types()) {
  QualType ArgType = Importer.Import(A);
  if (ArgType.isNull())
    return {};
  ArgTypes.push_back(ArgType);
}

// Import exception types
SmallVector<QualType, 4> ExceptionTypes;
for (const auto &E : T->exceptions()) {
  QualType ExceptionType = Importer.Import(E);
  if (ExceptionType.isNull())
    return {};
  ExceptionTypes.push_back(ExceptionType);
}

FunctionProtoType::ExtProtoInfo FromEPI = T->getExtProtoInfo();
FunctionProtoType::ExtProtoInfo ToEPI;

ToEPI.ExtInfo = FromEPI.ExtInfo;
ToEPI.Variadic = FromEPI.Variadic;
ToEPI.HasTrailingReturn = FromEPI.HasTrailingReturn;
ToEPI.TypeQuals = FromEPI.TypeQuals;
ToEPI.RefQualifier = FromEPI.RefQualifier;
ToEPI.ExceptionSpec.Type = FromEPI.ExceptionSpec.Type;
ToEPI.ExceptionSpec.Exceptions = ExceptionTypes;
ToEPI.ExceptionSpec.NoexceptExpr =
    Importer.Import(FromEPI.ExceptionSpec.NoexceptExpr);
ToEPI.ExceptionSpec.SourceDecl = cast_or_null<FunctionDecl>(
    Importer.Import(FromEPI.ExceptionSpec.SourceDecl));
ToEPI.ExceptionSpec.SourceTemplate = cast_or_null<FunctionDecl>(
    Importer.Import(FromEPI.ExceptionSpec.SourceTemplate));

return Importer.getToContext().getFunctionType(ToResultType, ArgTypes, ToEPI);
697}

699QualType ASTNodeImporter::VisitUnresolvedUsingType(
  const UnresolvedUsingType *T) {
const auto *ToD =
    cast_or_null<UnresolvedUsingTypenameDecl>(Importer.Import(T->getDecl()));
if (!ToD)
  return {};

auto *ToPrevD =
    cast_or_null<UnresolvedUsingTypenameDecl>(
      Importer.Import(T->getDecl()->getPreviousDecl()));
if (!ToPrevD && T->getDecl()->getPreviousDecl())
  return {};

return Importer.getToContext().getTypeDeclType(ToD, ToPrevD);
713}

715QualType ASTNodeImporter::VisitParenType(const ParenType *T) {
QualType ToInnerType = Importer.Import(T->getInnerType());
if (ToInnerType.isNull())
  return {};
  
return Importer.getToContext().getParenType(ToInnerType);
721}

723QualType ASTNodeImporter::VisitTypedefType(const TypedefType *T) {
auto *ToDecl =
    dyn_cast_or_null<TypedefNameDecl>(Importer.Import(T->getDecl()));
if (!ToDecl)
  return {};

return Importer.getToContext().getTypeDeclType(ToDecl);
730}

732QualType ASTNodeImporter::VisitTypeOfExprType(const TypeOfExprType *T) {
Expr *ToExpr = Importer.Import(T->getUnderlyingExpr());
if (!ToExpr)
  return {};

return Importer.getToContext().getTypeOfExprType(ToExpr);
738}

740QualType ASTNodeImporter::VisitTypeOfType(const TypeOfType *T) {
QualType ToUnderlyingType = Importer.Import(T->getUnderlyingType());
if (ToUnderlyingType.isNull())
  return {};

return Importer.getToContext().getTypeOfType(ToUnderlyingType);
746}

748QualType ASTNodeImporter::VisitDecltypeType(const DecltypeType *T) {
// FIXME: Make sure that the "to" context supports C++0x!
Expr *ToExpr = Importer.Import(T->getUnderlyingExpr());
if (!ToExpr)
  return {};

QualType UnderlyingType = Importer.Import(T->getUnderlyingType());
if (UnderlyingType.isNull())
  return {};

return Importer.getToContext().getDecltypeType(ToExpr, UnderlyingType);
759}

761QualType ASTNodeImporter::VisitUnaryTransformType(const UnaryTransformType *T) {
QualType ToBaseType = Importer.Import(T->getBaseType());
QualType ToUnderlyingType = Importer.Import(T->getUnderlyingType());
if (ToBaseType.isNull() || ToUnderlyingType.isNull())
  return {};

return Importer.getToContext().getUnaryTransformType(ToBaseType,
                                                     ToUnderlyingType,
                                                     T->getUTTKind());
770}

772QualType ASTNodeImporter::VisitAutoType(const AutoType *T) {
// FIXME: Make sure that the "to" context supports C++11!
QualType FromDeduced = T->getDeducedType();
QualType ToDeduced;
if (!FromDeduced.isNull()) {
  ToDeduced = Importer.Import(FromDeduced);
  if (ToDeduced.isNull())
    return {};
}

return Importer.getToContext().getAutoType(ToDeduced, T->getKeyword(),
                                           /*IsDependent*/false);
784}

786QualType ASTNodeImporter::VisitInjectedClassNameType(
  const InjectedClassNameType *T) {
auto *D = cast_or_null<CXXRecordDecl>(Importer.Import(T->getDecl()));
if (!D)
  return {};

QualType InjType = Importer.Import(T->getInjectedSpecializationType());
if (InjType.isNull())
  return {};

// FIXME: ASTContext::getInjectedClassNameType is not suitable for AST reading
// See comments in InjectedClassNameType definition for details
// return Importer.getToContext().getInjectedClassNameType(D, InjType);
enum {
  TypeAlignmentInBits = 4,
  TypeAlignment = 1 << TypeAlignmentInBits
};

return QualType(new (Importer.getToContext(), TypeAlignment)
                InjectedClassNameType(D, InjType), 0);
806}

808QualType ASTNodeImporter::VisitRecordType(const RecordType *T) {
auto *ToDecl = dyn_cast_or_null<RecordDecl>(Importer.Import(T->getDecl()));
if (!ToDecl)
  return {};

return Importer.getToContext().getTagDeclType(ToDecl);
814}

816QualType ASTNodeImporter::VisitEnumType(const EnumType *T) {
auto *ToDecl = dyn_cast_or_null<EnumDecl>(Importer.Import(T->getDecl()));
if (!ToDecl)
  return {};

return Importer.getToContext().getTagDeclType(ToDecl);
822}

824QualType ASTNodeImporter::VisitAttributedType(const AttributedType *T) {
QualType FromModifiedType = T->getModifiedType();
QualType FromEquivalentType = T->getEquivalentType();
QualType ToModifiedType;
QualType ToEquivalentType;

if (!FromModifiedType.isNull()) {
  ToModifiedType = Importer.Import(FromModifiedType);
  if (ToModifiedType.isNull())
    return {};
}
if (!FromEquivalentType.isNull()) {
  ToEquivalentType = Importer.Import(FromEquivalentType);
  if (ToEquivalentType.isNull())
    return {};
}

return Importer.getToContext().getAttributedType(T->getAttrKind(),
  ToModifiedType, ToEquivalentType);
843}

845QualType ASTNodeImporter::VisitTemplateTypeParmType(
  const TemplateTypeParmType *T) {
auto *ParmDecl =
    cast_or_null<TemplateTypeParmDecl>(Importer.Import(T->getDecl()));
if (!ParmDecl && T->getDecl())
  return {};

return Importer.getToContext().getTemplateTypeParmType(
      T->getDepth(), T->getIndex(), T->isParameterPack(), ParmDecl);
854}

856QualType ASTNodeImporter::VisitSubstTemplateTypeParmType(
  const SubstTemplateTypeParmType *T) {
const auto *Replaced =
    cast_or_null<TemplateTypeParmType>(Importer.Import(
      QualType(T->getReplacedParameter(), 0)).getTypePtr());
if (!Replaced)
  return {};

QualType Replacement = Importer.Import(T->getReplacementType());
if (Replacement.isNull())
  return {};
Replacement = Replacement.getCanonicalType();

return Importer.getToContext().getSubstTemplateTypeParmType(
      Replaced, Replacement);
871}

873QualType ASTNodeImporter::VisitTemplateSpecializationType(
                                     const TemplateSpecializationType *T) {
TemplateName ToTemplate = Importer.Import(T->getTemplateName());
if (ToTemplate.isNull())
  return {};

SmallVector<TemplateArgument, 2> ToTemplateArgs;
if (ImportTemplateArguments(T->getArgs(), T->getNumArgs(), ToTemplateArgs))
  return {};

QualType ToCanonType;
if (!QualType(T, 0).isCanonical()) {
  QualType FromCanonType 
    = Importer.getFromContext().getCanonicalType(QualType(T, 0));
  ToCanonType =Importer.Import(FromCanonType);
  if (ToCanonType.isNull())
    return {};
}
return Importer.getToContext().getTemplateSpecializationType(ToTemplate, 
                                                             ToTemplateArgs,
                                                             ToCanonType);
894}

896QualType ASTNodeImporter::VisitElaboratedType(const ElaboratedType *T) {
NestedNameSpecifier *ToQualifier = nullptr;
// Note: the qualifier in an ElaboratedType is optional.
if (T->getQualifier()) {
  ToQualifier = Importer.Import(T->getQualifier());
  if (!ToQualifier)
    return {};
}

QualType ToNamedType = Importer.Import(T->getNamedType());
if (ToNamedType.isNull())
  return {};

return Importer.getToContext().getElaboratedType(T->getKeyword(),
                                                 ToQualifier, ToNamedType);
911}

913QualType ASTNodeImporter::VisitPackExpansionType(const PackExpansionType *T) {
QualType Pattern = Importer.Import(T->getPattern());
if (Pattern.isNull())
  return {};

return Importer.getToContext().getPackExpansionType(Pattern,
                                                    T->getNumExpansions());
920}

922QualType ASTNodeImporter::VisitDependentTemplateSpecializationType(
  const DependentTemplateSpecializationType *T) {
NestedNameSpecifier *Qualifier = Importer.Import(T->getQualifier());
if (!Qualifier && T->getQualifier())
  return {};

IdentifierInfo *Name = Importer.Import(T->getIdentifier());
if (!Name && T->getIdentifier())
  return {};

SmallVector<TemplateArgument, 2> ToPack;
ToPack.reserve(T->getNumArgs());
if (ImportTemplateArguments(T->getArgs(), T->getNumArgs(), ToPack))
  return {};

return Importer.getToContext().getDependentTemplateSpecializationType(
      T->getKeyword(), Qualifier, Name, ToPack);
939}

941QualType ASTNodeImporter::VisitObjCInterfaceType(const ObjCInterfaceType *T) {
auto *Class =
    dyn_cast_or_null<ObjCInterfaceDecl>(Importer.Import(T->getDecl()));
if (!Class)
  return {};

return Importer.getToContext().getObjCInterfaceType(Class);
948}

950QualType ASTNodeImporter::VisitObjCObjectType(const ObjCObjectType *T) {
QualType ToBaseType = Importer.Import(T->getBaseType());
if (ToBaseType.isNull())
  return {};

SmallVector<QualType, 4> TypeArgs;
for (auto TypeArg : T->getTypeArgsAsWritten()) {
  QualType ImportedTypeArg = Importer.Import(TypeArg);
  if (ImportedTypeArg.isNull())
    return {};

  TypeArgs.push_back(ImportedTypeArg);
}

SmallVector<ObjCProtocolDecl *, 4> Protocols;
for (auto *P : T->quals()) {
  auto *Protocol = dyn_cast_or_null<ObjCProtocolDecl>(Importer.Import(P));
  if (!Protocol)
    return {};
  Protocols.push_back(Protocol);
}

return Importer.getToContext().getObjCObjectType(ToBaseType, TypeArgs,
                                                 Protocols,
                                                 T->isKindOfTypeAsWritten());
975}

977QualType
978ASTNodeImporter::VisitObjCObjectPointerType(const ObjCObjectPointerType *T) {
QualType ToPointeeType = Importer.Import(T->getPointeeType());
if (ToPointeeType.isNull())
  return {};

return Importer.getToContext().getObjCObjectPointerType(ToPointeeType);
984}

986//----------------------------------------------------------------------------
987// Import Declarations
988//----------------------------------------------------------------------------
989bool ASTNodeImporter::ImportDeclParts(NamedDecl *D, DeclContext *&DC, 
                                    DeclContext *&LexicalDC, 
                                    DeclarationName &Name, 
                                    NamedDecl *&ToD,
                                    SourceLocation &Loc) {
// Import the context of this declaration.
DC = Importer.ImportContext(D->getDeclContext());
if (!DC)
  return true;

LexicalDC = DC;
if (D->getDeclContext() != D->getLexicalDeclContext()) {
  LexicalDC = Importer.ImportContext(D->getLexicalDeclContext());
  if (!LexicalDC)
    return true;
}

// Import the name of this declaration.
Name = Importer.Import(D->getDeclName());
if (D->getDeclName() && !Name)
  return true;

// Import the location of this declaration.
Loc = Importer.Import(D->getLocation());
ToD = cast_or_null<NamedDecl>(Importer.GetAlreadyImportedOrNull(D));
return false;
1015}

1017void ASTNodeImporter::ImportDefinitionIfNeeded(Decl *FromD, Decl *ToD) {
if (!FromD)
  return;

if (!ToD) {
  ToD = Importer.Import(FromD);
  if (!ToD)
    return;
}

if (auto *FromRecord = dyn_cast<RecordDecl>(FromD)) {
  if (auto *ToRecord = cast_or_null<RecordDecl>(ToD)) {
    if (FromRecord->getDefinition() && FromRecord->isCompleteDefinition() && !ToRecord->getDefinition()) {
      ImportDefinition(FromRecord, ToRecord);
    }
  }
  return;
}

if (auto *FromEnum = dyn_cast<EnumDecl>(FromD)) {
  if (auto *ToEnum = cast_or_null<EnumDecl>(ToD)) {
    if (FromEnum->getDefinition() && !ToEnum->getDefinition()) {
      ImportDefinition(FromEnum, ToEnum);
    }
  }
  return;
}
1044}

1046void
1047ASTNodeImporter::ImportDeclarationNameLoc(const DeclarationNameInfo &From,
                                        DeclarationNameInfo& To) {
// NOTE: To.Name and To.Loc are already imported.
// We only have to import To.LocInfo.
switch (To.getName().getNameKind()) {
case DeclarationName::Identifier:
case DeclarationName::ObjCZeroArgSelector:
case DeclarationName::ObjCOneArgSelector:
case DeclarationName::ObjCMultiArgSelector:
case DeclarationName::CXXUsingDirective:
case DeclarationName::CXXDeductionGuideName:
  return;

case DeclarationName::CXXOperatorName: {
  SourceRange Range = From.getCXXOperatorNameRange();
  To.setCXXOperatorNameRange(Importer.Import(Range));
  return;
}
case DeclarationName::CXXLiteralOperatorName: {
  SourceLocation Loc = From.getCXXLiteralOperatorNameLoc();
  To.setCXXLiteralOperatorNameLoc(Importer.Import(Loc));
  return;
}
case DeclarationName::CXXConstructorName:
case DeclarationName::CXXDestructorName:
case DeclarationName::CXXConversionFunctionName: {
  TypeSourceInfo *FromTInfo = From.getNamedTypeInfo();
  To.setNamedTypeInfo(Importer.Import(FromTInfo));
  return;
}
}
llvm_unreachable("Unknown name kind.")::llvm::llvm_unreachable_internal("Unknown name kind.", "/build/llvm-toolchain-snapshot-7~svn329677/tools/clang/lib/AST/ASTImporter.cpp"
, 1078);
1079}

1081void ASTNodeImporter::ImportDeclContext(DeclContext *FromDC, bool ForceImport) {  
if (Importer.isMinimalImport() && !ForceImport) {
9
←
Assuming the condition is false→
  Importer.ImportContext(FromDC);
  return;
}

for (auto *From : FromDC->decls())
  Importer.Import(From);
10
←
Calling 'ASTImporter::Import'→
1089}

1091bool ASTNodeImporter::ImportDefinition(RecordDecl *From, RecordDecl *To, 
                                     ImportDefinitionKind Kind) {
if (To->getDefinition() || To->isBeingDefined()) {
  if (Kind == IDK_Everything)
    ImportDeclContext(From, /*ForceImport=*/true);
  
  return false;
}

To->startDefinition();

// Add base classes.
if (auto *ToCXX = dyn_cast<CXXRecordDecl>(To)) {
  auto *FromCXX = cast<CXXRecordDecl>(From);

  struct CXXRecordDecl::DefinitionData &ToData = ToCXX->data();
  struct CXXRecordDecl::DefinitionData &FromData = FromCXX->data();
  ToData.UserDeclaredConstructor = FromData.UserDeclaredConstructor;
  ToData.UserDeclaredSpecialMembers = FromData.UserDeclaredSpecialMembers;
  ToData.Aggregate = FromData.Aggregate;
  ToData.PlainOldData = FromData.PlainOldData;
  ToData.Empty = FromData.Empty;
  ToData.Polymorphic = FromData.Polymorphic;
  ToData.Abstract = FromData.Abstract;
  ToData.IsStandardLayout = FromData.IsStandardLayout;
  ToData.IsCXX11StandardLayout = FromData.IsCXX11StandardLayout;
  ToData.HasBasesWithFields = FromData.HasBasesWithFields;
  ToData.HasBasesWithNonStaticDataMembers =
      FromData.HasBasesWithNonStaticDataMembers;
  ToData.HasPrivateFields = FromData.HasPrivateFields;
  ToData.HasProtectedFields = FromData.HasProtectedFields;
  ToData.HasPublicFields = FromData.HasPublicFields;
  ToData.HasMutableFields = FromData.HasMutableFields;
  ToData.HasVariantMembers = FromData.HasVariantMembers;
  ToData.HasOnlyCMembers = FromData.HasOnlyCMembers;
  ToData.HasInClassInitializer = FromData.HasInClassInitializer;
  ToData.HasUninitializedReferenceMember
    = FromData.HasUninitializedReferenceMember;
  ToData.HasUninitializedFields = FromData.HasUninitializedFields;
  ToData.HasInheritedConstructor = FromData.HasInheritedConstructor;
  ToData.HasInheritedAssignment = FromData.HasInheritedAssignment;
  ToData.NeedOverloadResolutionForCopyConstructor
    = FromData.NeedOverloadResolutionForCopyConstructor;
  ToData.NeedOverloadResolutionForMoveConstructor
    = FromData.NeedOverloadResolutionForMoveConstructor;
  ToData.NeedOverloadResolutionForMoveAssignment
    = FromData.NeedOverloadResolutionForMoveAssignment;
  ToData.NeedOverloadResolutionForDestructor
    = FromData.NeedOverloadResolutionForDestructor;
  ToData.DefaultedCopyConstructorIsDeleted
    = FromData.DefaultedCopyConstructorIsDeleted;
  ToData.DefaultedMoveConstructorIsDeleted
    = FromData.DefaultedMoveConstructorIsDeleted;
  ToData.DefaultedMoveAssignmentIsDeleted
    = FromData.DefaultedMoveAssignmentIsDeleted;
  ToData.DefaultedDestructorIsDeleted = FromData.DefaultedDestructorIsDeleted;
  ToData.HasTrivialSpecialMembers = FromData.HasTrivialSpecialMembers;
  ToData.HasIrrelevantDestructor = FromData.HasIrrelevantDestructor;
  ToData.HasConstexprNonCopyMoveConstructor
    = FromData.HasConstexprNonCopyMoveConstructor;
  ToData.HasDefaultedDefaultConstructor
    = FromData.HasDefaultedDefaultConstructor;
  ToData.DefaultedDefaultConstructorIsConstexpr
    = FromData.DefaultedDefaultConstructorIsConstexpr;
  ToData.HasConstexprDefaultConstructor
    = FromData.HasConstexprDefaultConstructor;
  ToData.HasNonLiteralTypeFieldsOrBases
    = FromData.HasNonLiteralTypeFieldsOrBases;
  // ComputedVisibleConversions not imported.
  ToData.UserProvidedDefaultConstructor
    = FromData.UserProvidedDefaultConstructor;
  ToData.DeclaredSpecialMembers = FromData.DeclaredSpecialMembers;
  ToData.ImplicitCopyConstructorCanHaveConstParamForVBase
    = FromData.ImplicitCopyConstructorCanHaveConstParamForVBase;
  ToData.ImplicitCopyConstructorCanHaveConstParamForNonVBase
    = FromData.ImplicitCopyConstructorCanHaveConstParamForNonVBase;
  ToData.ImplicitCopyAssignmentHasConstParam
    = FromData.ImplicitCopyAssignmentHasConstParam;
  ToData.HasDeclaredCopyConstructorWithConstParam
    = FromData.HasDeclaredCopyConstructorWithConstParam;
  ToData.HasDeclaredCopyAssignmentWithConstParam
    = FromData.HasDeclaredCopyAssignmentWithConstParam;

  SmallVector<CXXBaseSpecifier *, 4> Bases;
  for (const auto &Base1 : FromCXX->bases()) {
    QualType T = Importer.Import(Base1.getType());
    if (T.isNull())
      return true;

    SourceLocation EllipsisLoc;
    if (Base1.isPackExpansion())
      EllipsisLoc = Importer.Import(Base1.getEllipsisLoc());

    // Ensure that we have a definition for the base.
    ImportDefinitionIfNeeded(Base1.getType()->getAsCXXRecordDecl());
      
    Bases.push_back(
                  new (Importer.getToContext()) 
                    CXXBaseSpecifier(Importer.Import(Base1.getSourceRange()),
                                     Base1.isVirtual(),
                                     Base1.isBaseOfClass(),
                                     Base1.getAccessSpecifierAsWritten(),
                                 Importer.Import(Base1.getTypeSourceInfo()),
                                     EllipsisLoc));
  }
  if (!Bases.empty())
    ToCXX->setBases(Bases.data(), Bases.size());
}

if (shouldForceImportDeclContext(Kind))
  ImportDeclContext(From, /*ForceImport=*/true);

To->completeDefinition();
return false;
1205}

1207bool ASTNodeImporter::ImportDefinition(VarDecl *From, VarDecl *To,
                                     ImportDefinitionKind Kind) {
if (To->getAnyInitializer())
  return false;

// FIXME: Can we really import any initializer? Alternatively, we could force
// ourselves to import every declaration of a variable and then only use
// getInit() here.
To->setInit(Importer.Import(const_cast<Expr *>(From->getAnyInitializer())));

// FIXME: Other bits to merge?

return false;
1220}

1222bool ASTNodeImporter::ImportDefinition(EnumDecl *From, EnumDecl *To, 
                                     ImportDefinitionKind Kind) {
if (To->getDefinition() || To->isBeingDefined()) {
  if (Kind == IDK_Everything)
    ImportDeclContext(From, /*ForceImport=*/true);
  return false;
}

To->startDefinition();

QualType T = Importer.Import(Importer.getFromContext().getTypeDeclType(From));
if (T.isNull())
  return true;

QualType ToPromotionType = Importer.Import(From->getPromotionType());
if (ToPromotionType.isNull())
  return true;

if (shouldForceImportDeclContext(Kind))
  ImportDeclContext(From, /*ForceImport=*/true);

// FIXME: we might need to merge the number of positive or negative bits
// if the enumerator lists don't match.
To->completeDefinition(T, ToPromotionType,
                       From->getNumPositiveBits(),
                       From->getNumNegativeBits());
return false;
1249}

1251TemplateParameterList *ASTNodeImporter::ImportTemplateParameterList(
                                              TemplateParameterList *Params) {
SmallVector<NamedDecl *, 4> ToParams(Params->size());
if (ImportContainerChecked(*Params, ToParams))
  return nullptr;

Expr *ToRequiresClause;
if (Expr *const R = Params->getRequiresClause()) {
  ToRequiresClause = Importer.Import(R);
  if (!ToRequiresClause)
    return nullptr;
} else {
  ToRequiresClause = nullptr;
}

return TemplateParameterList::Create(Importer.getToContext(),
                                     Importer.Import(Params->getTemplateLoc()),
                                     Importer.Import(Params->getLAngleLoc()),
                                     ToParams,
                                     Importer.Import(Params->getRAngleLoc()),
                                     ToRequiresClause);
1272}

1274TemplateArgument 
1275ASTNodeImporter::ImportTemplateArgument(const TemplateArgument &From) {
switch (From.getKind()) {
case TemplateArgument::Null:
  return TemplateArgument();
   
case TemplateArgument::Type: {
  QualType ToType = Importer.Import(From.getAsType());
  if (ToType.isNull())
    return {};
  return TemplateArgument(ToType);
}
    
case TemplateArgument::Integral: {
  QualType ToType = Importer.Import(From.getIntegralType());
  if (ToType.isNull())
    return {};
  return TemplateArgument(From, ToType);
}

case TemplateArgument::Declaration: {
  auto *To = cast_or_null<ValueDecl>(Importer.Import(From.getAsDecl()));
  QualType ToType = Importer.Import(From.getParamTypeForDecl());
  if (!To || ToType.isNull())
    return {};
  return TemplateArgument(To, ToType);
}

case TemplateArgument::NullPtr: {
  QualType ToType = Importer.Import(From.getNullPtrType());
  if (ToType.isNull())
    return {};
  return TemplateArgument(ToType, /*isNullPtr*/true);
}

case TemplateArgument::Template: {
  TemplateName ToTemplate = Importer.Import(From.getAsTemplate());
  if (ToTemplate.isNull())
    return {};
  
  return TemplateArgument(ToTemplate);
}

case TemplateArgument::TemplateExpansion: {
  TemplateName ToTemplate 
    = Importer.Import(From.getAsTemplateOrTemplatePattern());
  if (ToTemplate.isNull())
    return {};
  
  return TemplateArgument(ToTemplate, From.getNumTemplateExpansions());
}

case TemplateArgument::Expression:
  if (Expr *ToExpr = Importer.Import(From.getAsExpr()))
    return TemplateArgument(ToExpr);
  return TemplateArgument();
    
case TemplateArgument::Pack: {
  SmallVector<TemplateArgument, 2> ToPack;
  ToPack.reserve(From.pack_size());
  if (ImportTemplateArguments(From.pack_begin(), From.pack_size(), ToPack))
    return {};

  return TemplateArgument(
      llvm::makeArrayRef(ToPack).copy(Importer.getToContext()));
}
}

llvm_unreachable("Invalid template argument kind")::llvm::llvm_unreachable_internal("Invalid template argument kind"
, "/build/llvm-toolchain-snapshot-7~svn329677/tools/clang/lib/AST/ASTImporter.cpp"
, 1342);
1343}

1345Optional<TemplateArgumentLoc>
1346ASTNodeImporter::ImportTemplateArgumentLoc(const TemplateArgumentLoc &TALoc) {
TemplateArgument Arg = ImportTemplateArgument(TALoc.getArgument());
TemplateArgumentLocInfo FromInfo = TALoc.getLocInfo();
TemplateArgumentLocInfo ToInfo;
if (Arg.getKind() == TemplateArgument::Expression) {
  Expr *E = Importer.Import(FromInfo.getAsExpr());
  ToInfo = TemplateArgumentLocInfo(E);
  if (!E)
    return None;
} else if (Arg.getKind() == TemplateArgument::Type) {
  if (TypeSourceInfo *TSI = Importer.Import(FromInfo.getAsTypeSourceInfo()))
    ToInfo = TemplateArgumentLocInfo(TSI);
  else
    return None;
} else {
  ToInfo = TemplateArgumentLocInfo(
        Importer.Import(FromInfo.getTemplateQualifierLoc()),
        Importer.Import(FromInfo.getTemplateNameLoc()),
        Importer.Import(FromInfo.getTemplateEllipsisLoc()));
}
return TemplateArgumentLoc(Arg, ToInfo);
1367}

1369bool ASTNodeImporter::ImportTemplateArguments(const TemplateArgument *FromArgs,
                                            unsigned NumFromArgs,
                            SmallVectorImpl<TemplateArgument> &ToArgs) {
for (unsigned I = 0; I != NumFromArgs; ++I) {
  TemplateArgument To = ImportTemplateArgument(FromArgs[I]);
  if (To.isNull() && !FromArgs[I].isNull())
    return true;
  
  ToArgs.push_back(To);
}

return false;
1381}

1383// We cannot use Optional<> pattern here and below because
1384// TemplateArgumentListInfo's operator new is declared as deleted so it cannot
1385// be stored in Optional.
1386template <typename InContainerTy>
1387bool ASTNodeImporter::ImportTemplateArgumentListInfo(
  const InContainerTy &Container, TemplateArgumentListInfo &ToTAInfo) {
for (const auto &FromLoc : Container) {
  if (auto ToLoc = ImportTemplateArgumentLoc(FromLoc))
    ToTAInfo.addArgument(*ToLoc);
  else
    return true;
}
return false;
1396}

1398bool ASTNodeImporter::IsStructuralMatch(RecordDecl *FromRecord, 
                                      RecordDecl *ToRecord, bool Complain) {
// Eliminate a potential failure point where we attempt to re-import
// something we're trying to import while completing ToRecord.
Decl *ToOrigin = Importer.GetOriginalDecl(ToRecord);
if (ToOrigin) {
  auto *ToOriginRecord = dyn_cast<RecordDecl>(ToOrigin);
  if (ToOriginRecord)
    ToRecord = ToOriginRecord;
}

StructuralEquivalenceContext Ctx(Importer.getFromContext(),
                                 ToRecord->getASTContext(),
                                 Importer.getNonEquivalentDecls(),
                                 false, Complain);
return Ctx.IsStructurallyEquivalent(FromRecord, ToRecord);
1414}

1416bool ASTNodeImporter::IsStructuralMatch(VarDecl *FromVar, VarDecl *ToVar,
                                      bool Complain) {
StructuralEquivalenceContext Ctx(
    Importer.getFromContext(), Importer.getToContext(),
    Importer.getNonEquivalentDecls(), false, Complain);
return Ctx.IsStructurallyEquivalent(FromVar, ToVar);
1422}

1424bool ASTNodeImporter::IsStructuralMatch(EnumDecl *FromEnum, EnumDecl *ToEnum) {
StructuralEquivalenceContext Ctx(Importer.getFromContext(),
                                 Importer.getToContext(),
                                 Importer.getNonEquivalentDecls());
return Ctx.IsStructurallyEquivalent(FromEnum, ToEnum);
1429}

1431bool ASTNodeImporter::IsStructuralMatch(FunctionTemplateDecl *From,
                                      FunctionTemplateDecl *To) {
StructuralEquivalenceContext Ctx(
    Importer.getFromContext(), Importer.getToContext(),
    Importer.getNonEquivalentDecls(), false, false);
return Ctx.IsStructurallyEquivalent(From, To);
1437}

1439bool ASTNodeImporter::IsStructuralMatch(EnumConstantDecl *FromEC,
                                      EnumConstantDecl *ToEC) {
const llvm::APSInt &FromVal = FromEC->getInitVal();
const llvm::APSInt &ToVal = ToEC->getInitVal();

return FromVal.isSigned() == ToVal.isSigned() &&
       FromVal.getBitWidth() == ToVal.getBitWidth() &&
       FromVal == ToVal;
1447}

1449bool ASTNodeImporter::IsStructuralMatch(ClassTemplateDecl *From,
                                      ClassTemplateDecl *To) {
StructuralEquivalenceContext Ctx(Importer.getFromContext(),
                                 Importer.getToContext(),
                                 Importer.getNonEquivalentDecls());
return Ctx.IsStructurallyEquivalent(From, To);
1455}

1457bool ASTNodeImporter::IsStructuralMatch(VarTemplateDecl *From,
                                      VarTemplateDecl *To) {
StructuralEquivalenceContext Ctx(Importer.getFromContext(),
                                 Importer.getToContext(),
                                 Importer.getNonEquivalentDecls());
return Ctx.IsStructurallyEquivalent(From, To);
1463}

1465Decl *ASTNodeImporter::VisitDecl(Decl *D) {
Importer.FromDiag(D->getLocation(), diag::err_unsupported_ast_node)
  << D->getDeclKindName();
return nullptr;
1469}

1471Decl *ASTNodeImporter::VisitEmptyDecl(EmptyDecl *D) {
// Import the context of this declaration.
DeclContext *DC = Importer.ImportContext(D->getDeclContext());
if (!DC)
  return nullptr;

DeclContext *LexicalDC = DC;
if (D->getDeclContext() != D->getLexicalDeclContext()) {
  LexicalDC = Importer.ImportContext(D->getLexicalDeclContext());
  if (!LexicalDC)
    return nullptr;
}

// Import the location of this declaration.
SourceLocation Loc = Importer.Import(D->getLocation());

EmptyDecl *ToD = EmptyDecl::Create(Importer.getToContext(), DC, Loc);
ToD->setLexicalDeclContext(LexicalDC);
Importer.Imported(D, ToD);
LexicalDC->addDeclInternal(ToD);
return ToD;
1492}

1494Decl *ASTNodeImporter::VisitTranslationUnitDecl(TranslationUnitDecl *D) {
TranslationUnitDecl *ToD = 
  Importer.getToContext().getTranslationUnitDecl();
  
Importer.Imported(D, ToD);
  
return ToD;
1501}

1503Decl *ASTNodeImporter::VisitAccessSpecDecl(AccessSpecDecl *D) {
SourceLocation Loc = Importer.Import(D->getLocation());
SourceLocation ColonLoc = Importer.Import(D->getColonLoc());

// Import the context of this declaration.
DeclContext *DC = Importer.ImportContext(D->getDeclContext());
if (!DC)
  return nullptr;

AccessSpecDecl *accessSpecDecl
  = AccessSpecDecl::Create(Importer.getToContext(), D->getAccess(),
                           DC, Loc, ColonLoc);

if (!accessSpecDecl)
  return nullptr;

// Lexical DeclContext and Semantic DeclContext
// is always the same for the accessSpec.
accessSpecDecl->setLexicalDeclContext(DC);
DC->addDeclInternal(accessSpecDecl);

return accessSpecDecl;
1525}

1527Decl *ASTNodeImporter::VisitStaticAssertDecl(StaticAssertDecl *D) {
DeclContext *DC = Importer.ImportContext(D->getDeclContext());
if (!DC)
  return nullptr;

DeclContext *LexicalDC = DC;

// Import the location of this declaration.
SourceLocation Loc = Importer.Import(D->getLocation());

Expr *AssertExpr = Importer.Import(D->getAssertExpr());
if (!AssertExpr)
  return nullptr;

StringLiteral *FromMsg = D->getMessage();
auto *ToMsg = cast_or_null<StringLiteral>(Importer.Import(FromMsg));
if (!ToMsg && FromMsg)
  return nullptr;

StaticAssertDecl *ToD = StaticAssertDecl::Create(
      Importer.getToContext(), DC, Loc, AssertExpr, ToMsg,
      Importer.Import(D->getRParenLoc()), D->isFailed());

ToD->setLexicalDeclContext(LexicalDC);
LexicalDC->addDeclInternal(ToD);
Importer.Imported(D, ToD);
return ToD;
1554}

1556Decl *ASTNodeImporter::VisitNamespaceDecl(NamespaceDecl *D) {
// Import the major distinguishing characteristics of this namespace.
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *ToD;
if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc))
  return nullptr;
if (ToD)
  return ToD;

NamespaceDecl *MergeWithNamespace = nullptr;
if (!Name) {
  // This is an anonymous namespace. Adopt an existing anonymous
  // namespace if we can.
  // FIXME: Not testable.
  if (auto *TU = dyn_cast<TranslationUnitDecl>(DC))
    MergeWithNamespace = TU->getAnonymousNamespace();
  else
    MergeWithNamespace = cast<NamespaceDecl>(DC)->getAnonymousNamespace();
} else {
  SmallVector<NamedDecl *, 4> ConflictingDecls;
  SmallVector<NamedDecl *, 2> FoundDecls;
  DC->getRedeclContext()->localUncachedLookup(Name, FoundDecls);
  for (auto *FoundDecl : FoundDecls) {
    if (!FoundDecl->isInIdentifierNamespace(Decl::IDNS_Namespace))
      continue;
    
    if (auto *FoundNS = dyn_cast<NamespaceDecl>(FoundDecl)) {
      MergeWithNamespace = FoundNS;
      ConflictingDecls.clear();
      break;
    }
    
    ConflictingDecls.push_back(FoundDecl);
  }
  
  if (!ConflictingDecls.empty()) {
    Name = Importer.HandleNameConflict(Name, DC, Decl::IDNS_Namespace,
                                       ConflictingDecls.data(), 
                                       ConflictingDecls.size());
  }
}

// Create the "to" namespace, if needed.
NamespaceDecl *ToNamespace = MergeWithNamespace;
if (!ToNamespace) {
  ToNamespace = NamespaceDecl::Create(Importer.getToContext(), DC,
                                      D->isInline(),
                                      Importer.Import(D->getLocStart()),
                                      Loc, Name.getAsIdentifierInfo(),
                                      /*PrevDecl=*/nullptr);
  ToNamespace->setLexicalDeclContext(LexicalDC);
  LexicalDC->addDeclInternal(ToNamespace);
  
  // If this is an anonymous namespace, register it as the anonymous
  // namespace within its context.
  if (!Name) {
    if (auto *TU = dyn_cast<TranslationUnitDecl>(DC))
      TU->setAnonymousNamespace(ToNamespace);
    else
      cast<NamespaceDecl>(DC)->setAnonymousNamespace(ToNamespace);
  }
}
Importer.Imported(D, ToNamespace);

ImportDeclContext(D);

return ToNamespace;
1625}

1627Decl *ASTNodeImporter::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) {
// Import the major distinguishing characteristics of this namespace.
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *LookupD;
if (ImportDeclParts(D, DC, LexicalDC, Name, LookupD, Loc))
  return nullptr;
if (LookupD)
  return LookupD;

// NOTE: No conflict resolution is done for namespace aliases now.

auto *TargetDecl = cast_or_null<NamespaceDecl>(
    Importer.Import(D->getNamespace()));
if (!TargetDecl)
  return nullptr;

IdentifierInfo *ToII = Importer.Import(D->getIdentifier());
if (!ToII)
  return nullptr;

NestedNameSpecifierLoc ToQLoc = Importer.Import(D->getQualifierLoc());
if (D->getQualifierLoc() && !ToQLoc)
  return nullptr;

NamespaceAliasDecl *ToD = NamespaceAliasDecl::Create(
      Importer.getToContext(), DC, Importer.Import(D->getNamespaceLoc()),
      Importer.Import(D->getAliasLoc()), ToII, ToQLoc,
      Importer.Import(D->getTargetNameLoc()), TargetDecl);

ToD->setLexicalDeclContext(LexicalDC);
Importer.Imported(D, ToD);
LexicalDC->addDeclInternal(ToD);

return ToD;
1663}

1665Decl *ASTNodeImporter::VisitTypedefNameDecl(TypedefNameDecl *D, bool IsAlias) {
// Import the major distinguishing characteristics of this typedef.
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *ToD;
if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc))
  return nullptr;
if (ToD)
  return ToD;

// If this typedef is not in block scope, determine whether we've
// seen a typedef with the same name (that we can merge with) or any
// other entity by that name (which name lookup could conflict with).
if (!DC->isFunctionOrMethod()) {
  SmallVector<NamedDecl *, 4> ConflictingDecls;
  unsigned IDNS = Decl::IDNS_Ordinary;
  SmallVector<NamedDecl *, 2> FoundDecls;
  DC->getRedeclContext()->localUncachedLookup(Name, FoundDecls);
  for (auto *FoundDecl : FoundDecls) {
    if (!FoundDecl->isInIdentifierNamespace(IDNS))
      continue;
    if (auto *FoundTypedef = dyn_cast<TypedefNameDecl>(FoundDecl)) {
      if (Importer.IsStructurallyEquivalent(D->getUnderlyingType(),
                                          FoundTypedef->getUnderlyingType()))
        return Importer.Imported(D, FoundTypedef);
    }

    ConflictingDecls.push_back(FoundDecl);
  }

  if (!ConflictingDecls.empty()) {
    Name = Importer.HandleNameConflict(Name, DC, IDNS,
                                       ConflictingDecls.data(), 
                                       ConflictingDecls.size());
    if (!Name)
      return nullptr;
  }
}

// Import the underlying type of this typedef;
QualType T = Importer.Import(D->getUnderlyingType());
if (T.isNull())
  return nullptr;

// Create the new typedef node.
TypeSourceInfo *TInfo = Importer.Import(D->getTypeSourceInfo());
SourceLocation StartL = Importer.Import(D->getLocStart());
TypedefNameDecl *ToTypedef;
if (IsAlias)
  ToTypedef = TypeAliasDecl::Create(Importer.getToContext(), DC, StartL, Loc,
                                    Name.getAsIdentifierInfo(), TInfo);
else
  ToTypedef = TypedefDecl::Create(Importer.getToContext(), DC,
                                  StartL, Loc,
                                  Name.getAsIdentifierInfo(),
                                  TInfo);

ToTypedef->setAccess(D->getAccess());
ToTypedef->setLexicalDeclContext(LexicalDC);
Importer.Imported(D, ToTypedef);

// Templated declarations should not appear in DeclContext.
TypeAliasDecl *FromAlias = IsAlias ? cast<TypeAliasDecl>(D) : nullptr;
if (!FromAlias || !FromAlias->getDescribedAliasTemplate())
  LexicalDC->addDeclInternal(ToTypedef);

return ToTypedef;
1733}

1735Decl *ASTNodeImporter::VisitTypedefDecl(TypedefDecl *D) {
return VisitTypedefNameDecl(D, /*IsAlias=*/false);
1737}

1739Decl *ASTNodeImporter::VisitTypeAliasDecl(TypeAliasDecl *D) {
return VisitTypedefNameDecl(D, /*IsAlias=*/true);
1741}

1743Decl *ASTNodeImporter::VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D) {
// Import the major distinguishing characteristics of this typedef.
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *FoundD;
if (ImportDeclParts(D, DC, LexicalDC, Name, FoundD, Loc))
  return nullptr;
if (FoundD)
  return FoundD;

// If this typedef is not in block scope, determine whether we've
// seen a typedef with the same name (that we can merge with) or any
// other entity by that name (which name lookup could conflict with).
if (!DC->isFunctionOrMethod()) {
  SmallVector<NamedDecl *, 4> ConflictingDecls;
  unsigned IDNS = Decl::IDNS_Ordinary;
  SmallVector<NamedDecl *, 2> FoundDecls;
  DC->getRedeclContext()->localUncachedLookup(Name, FoundDecls);
  for (auto *FoundDecl : FoundDecls) {
    if (!FoundDecl->isInIdentifierNamespace(IDNS))
      continue;
    if (auto *FoundAlias = dyn_cast<TypeAliasTemplateDecl>(FoundDecl))
        return Importer.Imported(D, FoundAlias);
    ConflictingDecls.push_back(FoundDecl);
  }

  if (!ConflictingDecls.empty()) {
    Name = Importer.HandleNameConflict(Name, DC, IDNS,
                                       ConflictingDecls.data(),
                                       ConflictingDecls.size());
    if (!Name)
      return nullptr;
  }
}

TemplateParameterList *Params = ImportTemplateParameterList(
      D->getTemplateParameters());
if (!Params)
  return nullptr;

auto *TemplDecl = cast_or_null<TypeAliasDecl>(
      Importer.Import(D->getTemplatedDecl()));
if (!TemplDecl)
  return nullptr;

TypeAliasTemplateDecl *ToAlias = TypeAliasTemplateDecl::Create(
      Importer.getToContext(), DC, Loc, Name, Params, TemplDecl);

TemplDecl->setDescribedAliasTemplate(ToAlias);

ToAlias->setAccess(D->getAccess());
ToAlias->setLexicalDeclContext(LexicalDC);
Importer.Imported(D, ToAlias);
LexicalDC->addDeclInternal(ToAlias);
return ToAlias;
1799}

1801Decl *ASTNodeImporter::VisitLabelDecl(LabelDecl *D) {
// Import the major distinguishing characteristics of this label.
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *ToD;
if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc))
  return nullptr;
if (ToD)
  return ToD;

assert(LexicalDC->isFunctionOrMethod())(static_cast <bool> (LexicalDC->isFunctionOrMethod()
) ? void (0) : __assert_fail ("LexicalDC->isFunctionOrMethod()"
, "/build/llvm-toolchain-snapshot-7~svn329677/tools/clang/lib/AST/ASTImporter.cpp"
, 1812, __extension__ __PRETTY_FUNCTION__));

LabelDecl *ToLabel = D->isGnuLocal()
    ? LabelDecl::Create(Importer.getToContext(),
                        DC, Importer.Import(D->getLocation()),
                        Name.getAsIdentifierInfo(),
                        Importer.Import(D->getLocStart()))
    : LabelDecl::Create(Importer.getToContext(),
                        DC, Importer.Import(D->getLocation()),
                        Name.getAsIdentifierInfo());
Importer.Imported(D, ToLabel);

auto *Label = cast_or_null<LabelStmt>(Importer.Import(D->getStmt()));
if (!Label)
  return nullptr;

ToLabel->setStmt(Label);
ToLabel->setLexicalDeclContext(LexicalDC);
LexicalDC->addDeclInternal(ToLabel);
return ToLabel;
1832}

1834Decl *ASTNodeImporter::VisitEnumDecl(EnumDecl *D) {
// Import the major distinguishing characteristics of this enum.
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *ToD;
if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc))
  return nullptr;
if (ToD)
  return ToD;

// Figure out what enum name we're looking for.
unsigned IDNS = Decl::IDNS_Tag;
DeclarationName SearchName = Name;
if (!SearchName && D->getTypedefNameForAnonDecl()) {
  SearchName = Importer.Import(D->getTypedefNameForAnonDecl()->getDeclName());
  IDNS = Decl::IDNS_Ordinary;
} else if (Importer.getToContext().getLangOpts().CPlusPlus)
  IDNS |= Decl::IDNS_Ordinary;

// We may already have an enum of the same name; try to find and match it.
if (!DC->isFunctionOrMethod() && SearchName) {
  SmallVector<NamedDecl *, 4> ConflictingDecls;
  SmallVector<NamedDecl *, 2> FoundDecls;
  DC->getRedeclContext()->localUncachedLookup(SearchName, FoundDecls);
  for (auto *FoundDecl : FoundDecls) {
    if (!FoundDecl->isInIdentifierNamespace(IDNS))
      continue;
    
    Decl *Found = FoundDecl;
    if (auto *Typedef = dyn_cast<TypedefNameDecl>(Found)) {
      if (const auto *Tag = Typedef->getUnderlyingType()->getAs<TagType>())
        Found = Tag->getDecl();
    }
    
    if (auto *FoundEnum = dyn_cast<EnumDecl>(Found)) {
      if (IsStructuralMatch(D, FoundEnum))
        return Importer.Imported(D, FoundEnum);
    }
    
    ConflictingDecls.push_back(FoundDecl);
  }
  
  if (!ConflictingDecls.empty()) {
    Name = Importer.HandleNameConflict(Name, DC, IDNS,
                                       ConflictingDecls.data(), 
                                       ConflictingDecls.size());
  }
}

// Create the enum declaration.
EnumDecl *D2 = EnumDecl::Create(Importer.getToContext(), DC,
                                Importer.Import(D->getLocStart()),
                                Loc, Name.getAsIdentifierInfo(), nullptr,
                                D->isScoped(), D->isScopedUsingClassTag(),
                                D->isFixed());
// Import the qualifier, if any.
D2->setQualifierInfo(Importer.Import(D->getQualifierLoc()));
D2->setAccess(D->getAccess());
D2->setLexicalDeclContext(LexicalDC);
Importer.Imported(D, D2);
LexicalDC->addDeclInternal(D2);

// Import the integer type.
QualType ToIntegerType = Importer.Import(D->getIntegerType());
if (ToIntegerType.isNull())
  return nullptr;
D2->setIntegerType(ToIntegerType);

// Import the definition
if (D->isCompleteDefinition() && ImportDefinition(D, D2))
  return nullptr;

return D2;
1908}

1910Decl *ASTNodeImporter::VisitRecordDecl(RecordDecl *D) {
// If this record has a definition in the translation unit we're coming from,
// but this particular declaration is not that definition, import the
// definition and map to that.
TagDecl *Definition = D->getDefinition();
if (Definition && Definition != D) {
  Decl *ImportedDef = Importer.Import(Definition);
  if (!ImportedDef)
    return nullptr;

  return Importer.Imported(D, ImportedDef);
}

// Import the major distinguishing characteristics of this record.
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *ToD;
if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc))
  return nullptr;
if (ToD)
  return ToD;

// Figure out what structure name we're looking for.
unsigned IDNS = Decl::IDNS_Tag;
DeclarationName SearchName = Name;
if (!SearchName && D->getTypedefNameForAnonDecl()) {
  SearchName = Importer.Import(D->getTypedefNameForAnonDecl()->getDeclName());
  IDNS = Decl::IDNS_Ordinary;
} else if (Importer.getToContext().getLangOpts().CPlusPlus)
  IDNS |= Decl::IDNS_Ordinary;

// We may already have a record of the same name; try to find and match it.
RecordDecl *AdoptDecl = nullptr;
RecordDecl *PrevDecl = nullptr;
if (!DC->isFunctionOrMethod()) {
  SmallVector<NamedDecl *, 4> ConflictingDecls;
  SmallVector<NamedDecl *, 2> FoundDecls;
  DC->getRedeclContext()->localUncachedLookup(SearchName, FoundDecls);

  if (!FoundDecls.empty()) {
    // We're going to have to compare D against potentially conflicting Decls, so complete it.
    if (D->hasExternalLexicalStorage() && !D->isCompleteDefinition())
      D->getASTContext().getExternalSource()->CompleteType(D);
  }

  for (auto *FoundDecl : FoundDecls) {
    if (!FoundDecl->isInIdentifierNamespace(IDNS))
      continue;
    
    Decl *Found = FoundDecl;
    if (auto *Typedef = dyn_cast<TypedefNameDecl>(Found)) {
      if (const auto *Tag = Typedef->getUnderlyingType()->getAs<TagType>())
        Found = Tag->getDecl();
    }
    
    if (auto *FoundRecord = dyn_cast<RecordDecl>(Found)) {
      if (!SearchName) {
        // If both unnamed structs/unions are in a record context, make sure
        // they occur in the same location in the context records.
        if (Optional<unsigned> Index1 =
                StructuralEquivalenceContext::findUntaggedStructOrUnionIndex(
                    D)) {
          if (Optional<unsigned> Index2 = StructuralEquivalenceContext::
                  findUntaggedStructOrUnionIndex(FoundRecord)) {
            if (*Index1 != *Index2)
              continue;
          }
        }
      }

      PrevDecl = FoundRecord;

      if (RecordDecl *FoundDef = FoundRecord->getDefinition()) {
        if ((SearchName && !D->isCompleteDefinition())
            || (D->isCompleteDefinition() &&
                D->isAnonymousStructOrUnion()
                  == FoundDef->isAnonymousStructOrUnion() &&
                IsStructuralMatch(D, FoundDef))) {
          // The record types structurally match, or the "from" translation
          // unit only had a forward declaration anyway; call it the same
          // function.
          // FIXME: For C++, we should also merge methods here.
          return Importer.Imported(D, FoundDef);
        }
      } else if (!D->isCompleteDefinition()) {
        // We have a forward declaration of this type, so adopt that forward
        // declaration rather than building a new one.
          
        // If one or both can be completed from external storage then try one
        // last time to complete and compare them before doing this.
          
        if (FoundRecord->hasExternalLexicalStorage() &&
            !FoundRecord->isCompleteDefinition())
          FoundRecord->getASTContext().getExternalSource()->CompleteType(FoundRecord);
        if (D->hasExternalLexicalStorage())
          D->getASTContext().getExternalSource()->CompleteType(D);
          
        if (FoundRecord->isCompleteDefinition() &&
            D->isCompleteDefinition() &&
            !IsStructuralMatch(D, FoundRecord))
          continue;
            
        AdoptDecl = FoundRecord;
        continue;
      } else if (!SearchName) {
        continue;
      }
    }
    
    ConflictingDecls.push_back(FoundDecl);
  }
  
  if (!ConflictingDecls.empty() && SearchName) {
    Name = Importer.HandleNameConflict(Name, DC, IDNS,
                                       ConflictingDecls.data(), 
                                       ConflictingDecls.size());
  }
}

// Create the record declaration.
RecordDecl *D2 = AdoptDecl;
SourceLocation StartLoc = Importer.Import(D->getLocStart());
if (!D2) {
  CXXRecordDecl *D2CXX = nullptr;
  if (auto *DCXX = dyn_cast<CXXRecordDecl>(D)) {
    if (DCXX->isLambda()) {
      TypeSourceInfo *TInfo = Importer.Import(DCXX->getLambdaTypeInfo());
      D2CXX = CXXRecordDecl::CreateLambda(Importer.getToContext(),
                                          DC, TInfo, Loc,
                                          DCXX->isDependentLambda(),
                                          DCXX->isGenericLambda(),
                                          DCXX->getLambdaCaptureDefault());
      Decl *CDecl = Importer.Import(DCXX->getLambdaContextDecl());
      if (DCXX->getLambdaContextDecl() && !CDecl)
        return nullptr;
      D2CXX->setLambdaMangling(DCXX->getLambdaManglingNumber(), CDecl);
    } else if (DCXX->isInjectedClassName()) {
      // We have to be careful to do a similar dance to the one in
      // Sema::ActOnStartCXXMemberDeclarations
      CXXRecordDecl *const PrevDecl = nullptr;
      const bool DelayTypeCreation = true;
      D2CXX = CXXRecordDecl::Create(
          Importer.getToContext(), D->getTagKind(), DC, StartLoc, Loc,
          Name.getAsIdentifierInfo(), PrevDecl, DelayTypeCreation);
      Importer.getToContext().getTypeDeclType(
          D2CXX, dyn_cast<CXXRecordDecl>(DC));
    } else {
      D2CXX = CXXRecordDecl::Create(Importer.getToContext(),
                                    D->getTagKind(),
                                    DC, StartLoc, Loc,
                                    Name.getAsIdentifierInfo());
    }
    D2 = D2CXX;
    D2->setAccess(D->getAccess());
    D2->setLexicalDeclContext(LexicalDC);
    if (!DCXX->getDescribedClassTemplate())
      LexicalDC->addDeclInternal(D2);

    Importer.Imported(D, D2);

    if (ClassTemplateDecl *FromDescribed =
        DCXX->getDescribedClassTemplate()) {
      auto *ToDescribed = cast_or_null<ClassTemplateDecl>(
          Importer.Import(FromDescribed));
      if (!ToDescribed)
        return nullptr;
      D2CXX->setDescribedClassTemplate(ToDescribed);
    } else if (MemberSpecializationInfo *MemberInfo =
                 DCXX->getMemberSpecializationInfo()) {
      TemplateSpecializationKind SK =
          MemberInfo->getTemplateSpecializationKind();
      CXXRecordDecl *FromInst = DCXX->getInstantiatedFromMemberClass();
      auto *ToInst =
          cast_or_null<CXXRecordDecl>(Importer.Import(FromInst));
      if (FromInst && !ToInst)
        return nullptr;
      D2CXX->setInstantiationOfMemberClass(ToInst, SK);
      D2CXX->getMemberSpecializationInfo()->setPointOfInstantiation(
            Importer.Import(MemberInfo->getPointOfInstantiation()));
    }
  } else {
    D2 = RecordDecl::Create(Importer.getToContext(), D->getTagKind(),
                            DC, StartLoc, Loc, Name.getAsIdentifierInfo());
    D2->setLexicalDeclContext(LexicalDC);
    LexicalDC->addDeclInternal(D2);
  }
  
  D2->setQualifierInfo(Importer.Import(D->getQualifierLoc()));
  if (D->isAnonymousStructOrUnion())
    D2->setAnonymousStructOrUnion(true);
  if (PrevDecl) {
    // FIXME: do this for all Redeclarables, not just RecordDecls.
    D2->setPreviousDecl(PrevDecl);
  }
}

Importer.Imported(D, D2);

if (D->isCompleteDefinition() && ImportDefinition(D, D2, IDK_Default))
  return nullptr;

return D2;
2113}

2115Decl *ASTNodeImporter::VisitEnumConstantDecl(EnumConstantDecl *D) {
// Import the major distinguishing characteristics of this enumerator.
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *ToD;
if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc))
  return nullptr;
if (ToD)
  return ToD;

QualType T = Importer.Import(D->getType());
if (T.isNull())
  return nullptr;

// Determine whether there are any other declarations with the same name and 
// in the same context.
if (!LexicalDC->isFunctionOrMethod()) {
  SmallVector<NamedDecl *, 4> ConflictingDecls;
  unsigned IDNS = Decl::IDNS_Ordinary;
  SmallVector<NamedDecl *, 2> FoundDecls;
  DC->getRedeclContext()->localUncachedLookup(Name, FoundDecls);
  for (auto *FoundDecl : FoundDecls) {
    if (!FoundDecl->isInIdentifierNamespace(IDNS))
      continue;

    if (auto *FoundEnumConstant = dyn_cast<EnumConstantDecl>(FoundDecl)) {
      if (IsStructuralMatch(D, FoundEnumConstant))
        return Importer.Imported(D, FoundEnumConstant);
    }

    ConflictingDecls.push_back(FoundDecl);
  }
  
  if (!ConflictingDecls.empty()) {
    Name = Importer.HandleNameConflict(Name, DC, IDNS,
                                       ConflictingDecls.data(), 
                                       ConflictingDecls.size());
    if (!Name)
      return nullptr;
  }
}

Expr *Init = Importer.Import(D->getInitExpr());
if (D->getInitExpr() && !Init)
  return nullptr;

EnumConstantDecl *ToEnumerator
  = EnumConstantDecl::Create(Importer.getToContext(), cast<EnumDecl>(DC), Loc, 
                             Name.getAsIdentifierInfo(), T, 
                             Init, D->getInitVal());
ToEnumerator->setAccess(D->getAccess());
ToEnumerator->setLexicalDeclContext(LexicalDC);
Importer.Imported(D, ToEnumerator);
LexicalDC->addDeclInternal(ToEnumerator);
return ToEnumerator;
2171}

2173bool ASTNodeImporter::ImportTemplateInformation(FunctionDecl *FromFD,
                                              FunctionDecl *ToFD) {
switch (FromFD->getTemplatedKind()) {
case FunctionDecl::TK_NonTemplate:
case FunctionDecl::TK_FunctionTemplate:
  return false;

case FunctionDecl::TK_MemberSpecialization: {
  auto *InstFD = cast_or_null<FunctionDecl>(
        Importer.Import(FromFD->getInstantiatedFromMemberFunction()));
  if (!InstFD)
    return true;

  TemplateSpecializationKind TSK = FromFD->getTemplateSpecializationKind();
  SourceLocation POI = Importer.Import(
        FromFD->getMemberSpecializationInfo()->getPointOfInstantiation());
  ToFD->setInstantiationOfMemberFunction(InstFD, TSK);
  ToFD->getMemberSpecializationInfo()->setPointOfInstantiation(POI);
  return false;
}

case FunctionDecl::TK_FunctionTemplateSpecialization: {
  auto *FTSInfo = FromFD->getTemplateSpecializationInfo();
  auto *Template = cast_or_null<FunctionTemplateDecl>(
      Importer.Import(FTSInfo->getTemplate()));
  if (!Template)
    return true;
  TemplateSpecializationKind TSK = FTSInfo->getTemplateSpecializationKind();

  // Import template arguments.
  auto TemplArgs = FTSInfo->TemplateArguments->asArray();
  SmallVector<TemplateArgument, 8> ToTemplArgs;
  if (ImportTemplateArguments(TemplArgs.data(), TemplArgs.size(),
                              ToTemplArgs))
    return true;

  TemplateArgumentList *ToTAList = TemplateArgumentList::CreateCopy(
        Importer.getToContext(), ToTemplArgs);

  TemplateArgumentListInfo ToTAInfo;
  const auto *FromTAArgsAsWritten = FTSInfo->TemplateArgumentsAsWritten;
  if (FromTAArgsAsWritten)
    if (ImportTemplateArgumentListInfo(*FromTAArgsAsWritten, ToTAInfo))
      return true;

  SourceLocation POI = Importer.Import(FTSInfo->getPointOfInstantiation());

  ToFD->setFunctionTemplateSpecialization(
      Template, ToTAList, /* InsertPos= */ nullptr,
      TSK, FromTAArgsAsWritten ? &ToTAInfo : nullptr, POI);
  return false;
}

case FunctionDecl::TK_DependentFunctionTemplateSpecialization: {
  auto *FromInfo = FromFD->getDependentSpecializationInfo();
  UnresolvedSet<8> TemplDecls;
  unsigned NumTemplates = FromInfo->getNumTemplates();
  for (unsigned I = 0; I < NumTemplates; I++) {
    if (auto *ToFTD = cast_or_null<FunctionTemplateDecl>(
            Importer.Import(FromInfo->getTemplate(I))))
      TemplDecls.addDecl(ToFTD);
    else
      return true;
  }

  // Import TemplateArgumentListInfo.
  TemplateArgumentListInfo ToTAInfo;
  if (ImportTemplateArgumentListInfo(
          FromInfo->getLAngleLoc(), FromInfo->getRAngleLoc(),
          llvm::makeArrayRef(FromInfo->getTemplateArgs(),
                             FromInfo->getNumTemplateArgs()),
          ToTAInfo))
    return true;

  ToFD->setDependentTemplateSpecialization(Importer.getToContext(),
                                           TemplDecls, ToTAInfo);
  return false;
}
}
llvm_unreachable("All cases should be covered!")::llvm::llvm_unreachable_internal("All cases should be covered!"
, "/build/llvm-toolchain-snapshot-7~svn329677/tools/clang/lib/AST/ASTImporter.cpp"
, 2252);
2253}

2255Decl *ASTNodeImporter::VisitFunctionDecl(FunctionDecl *D) {
// Import the major distinguishing characteristics of this function.
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *ToD;
if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc))
  return nullptr;
if (ToD)
  return ToD;

const FunctionDecl *FoundWithoutBody = nullptr;

// Try to find a function in our own ("to") context with the same name, same
// type, and in the same context as the function we're importing.
if (!LexicalDC->isFunctionOrMethod()) {
  SmallVector<NamedDecl *, 4> ConflictingDecls;
  unsigned IDNS = Decl::IDNS_Ordinary;
  SmallVector<NamedDecl *, 2> FoundDecls;
  DC->getRedeclContext()->localUncachedLookup(Name, FoundDecls);
  for (auto *FoundDecl : FoundDecls) {
    if (!FoundDecl->isInIdentifierNamespace(IDNS))
      continue;

    if (auto *FoundFunction = dyn_cast<FunctionDecl>(FoundDecl)) {
      if (FoundFunction->hasExternalFormalLinkage() &&
          D->hasExternalFormalLinkage()) {
        if (Importer.IsStructurallyEquivalent(D->getType(), 
                                              FoundFunction->getType())) {
          // FIXME: Actually try to merge the body and other attributes.
          const FunctionDecl *FromBodyDecl = nullptr;
          D->hasBody(FromBodyDecl);
          if (D == FromBodyDecl && !FoundFunction->hasBody()) {
            // This function is needed to merge completely.
            FoundWithoutBody = FoundFunction;
            break;
          }
          return Importer.Imported(D, FoundFunction);
        }

        // FIXME: Check for overloading more carefully, e.g., by boosting
        // Sema::IsOverload out to the AST library.

        // Function overloading is okay in C++.
        if (Importer.getToContext().getLangOpts().CPlusPlus)
          continue;

        // Complain about inconsistent function types.
        Importer.ToDiag(Loc, diag::err_odr_function_type_inconsistent)
          << Name << D->getType() << FoundFunction->getType();
        Importer.ToDiag(FoundFunction->getLocation(), 
                        diag::note_odr_value_here)
          << FoundFunction->getType();
      }
    }

    ConflictingDecls.push_back(FoundDecl);
  }

  if (!ConflictingDecls.empty()) {
    Name = Importer.HandleNameConflict(Name, DC, IDNS,
                                       ConflictingDecls.data(), 
                                       ConflictingDecls.size());
    if (!Name)
      return nullptr;
  }    
}

DeclarationNameInfo NameInfo(Name, Loc);
// Import additional name location/type info.
ImportDeclarationNameLoc(D->getNameInfo(), NameInfo);

QualType FromTy = D->getType();
bool usedDifferentExceptionSpec = false;

if (const auto *FromFPT = D->getType()->getAs<FunctionProtoType>()) {
  FunctionProtoType::ExtProtoInfo FromEPI = FromFPT->getExtProtoInfo();
  // FunctionProtoType::ExtProtoInfo's ExceptionSpecDecl can point to the
  // FunctionDecl that we are importing the FunctionProtoType for.
  // To avoid an infinite recursion when importing, create the FunctionDecl
  // with a simplified function type and update it afterwards.
  if (FromEPI.ExceptionSpec.SourceDecl ||
      FromEPI.ExceptionSpec.SourceTemplate ||
      FromEPI.ExceptionSpec.NoexceptExpr) {
    FunctionProtoType::ExtProtoInfo DefaultEPI;
    FromTy = Importer.getFromContext().getFunctionType(
        FromFPT->getReturnType(), FromFPT->getParamTypes(), DefaultEPI);
    usedDifferentExceptionSpec = true;
  }
}

// Import the type.
QualType T = Importer.Import(FromTy);
if (T.isNull())
  return nullptr;

// Import the function parameters.
SmallVector<ParmVarDecl *, 8> Parameters;
for (auto P : D->parameters()) {
  auto *ToP = cast_or_null<ParmVarDecl>(Importer.Import(P));
  if (!ToP)
    return nullptr;

  Parameters.push_back(ToP);
}

TypeSourceInfo *TInfo = Importer.Import(D->getTypeSourceInfo());
if (D->getTypeSourceInfo() && !TInfo)
  return nullptr;

// Create the imported function.
FunctionDecl *ToFunction = nullptr;
SourceLocation InnerLocStart = Importer.Import(D->getInnerLocStart());
if (auto *FromConstructor = dyn_cast<CXXConstructorDecl>(D)) {
  ToFunction = CXXConstructorDecl::Create(Importer.getToContext(),
                                          cast<CXXRecordDecl>(DC),
                                          InnerLocStart,
                                          NameInfo, T, TInfo,
                                          FromConstructor->isExplicit(),
                                          D->isInlineSpecified(), 
                                          D->isImplicit(),
                                          D->isConstexpr());
  if (unsigned NumInitializers = FromConstructor->getNumCtorInitializers()) {
    SmallVector<CXXCtorInitializer *, 4> CtorInitializers;
    for (auto *I : FromConstructor->inits()) {
      auto *ToI = cast_or_null<CXXCtorInitializer>(Importer.Import(I));
      if (!ToI && I)
        return nullptr;
      CtorInitializers.push_back(ToI);
    }
    auto **Memory =
        new (Importer.getToContext()) CXXCtorInitializer *[NumInitializers];
    std::copy(CtorInitializers.begin(), CtorInitializers.end(), Memory);
    auto *ToCtor = cast<CXXConstructorDecl>(ToFunction);
    ToCtor->setCtorInitializers(Memory);
    ToCtor->setNumCtorInitializers(NumInitializers);
  }
} else if (isa<CXXDestructorDecl>(D)) {
  ToFunction = CXXDestructorDecl::Create(Importer.getToContext(),
                                         cast<CXXRecordDecl>(DC),
                                         InnerLocStart,
                                         NameInfo, T, TInfo,
                                         D->isInlineSpecified(),
                                         D->isImplicit());
} else if (auto *FromConversion = dyn_cast<CXXConversionDecl>(D)) {
  ToFunction = CXXConversionDecl::Create(Importer.getToContext(), 
                                         cast<CXXRecordDecl>(DC),
                                         InnerLocStart,
                                         NameInfo, T, TInfo,
                                         D->isInlineSpecified(),
                                         FromConversion->isExplicit(),
                                         D->isConstexpr(),
                                         Importer.Import(D->getLocEnd()));
} else if (auto *Method = dyn_cast<CXXMethodDecl>(D)) {
  ToFunction = CXXMethodDecl::Create(Importer.getToContext(), 
                                     cast<CXXRecordDecl>(DC),
                                     InnerLocStart,
                                     NameInfo, T, TInfo,
                                     Method->getStorageClass(),
                                     Method->isInlineSpecified(),
                                     D->isConstexpr(),
                                     Importer.Import(D->getLocEnd()));
} else {
  ToFunction = FunctionDecl::Create(Importer.getToContext(), DC,
                                    InnerLocStart,
                                    NameInfo, T, TInfo, D->getStorageClass(),
                                    D->isInlineSpecified(),
                                    D->hasWrittenPrototype(),
                                    D->isConstexpr());
}

// Import the qualifier, if any.
ToFunction->setQualifierInfo(Importer.Import(D->getQualifierLoc()));
ToFunction->setAccess(D->getAccess());
ToFunction->setLexicalDeclContext(LexicalDC);
ToFunction->setVirtualAsWritten(D->isVirtualAsWritten());
ToFunction->setTrivial(D->isTrivial());
ToFunction->setPure(D->isPure());
Importer.Imported(D, ToFunction);

// Set the parameters.
for (auto *Param : Parameters) {
  Param->setOwningFunction(ToFunction);
  ToFunction->addDeclInternal(Param);
}
ToFunction->setParams(Parameters);

if (FoundWithoutBody) {
  auto *Recent = const_cast<FunctionDecl *>(
        FoundWithoutBody->getMostRecentDecl());
  ToFunction->setPreviousDecl(Recent);
}

// We need to complete creation of FunctionProtoTypeLoc manually with setting
// params it refers to.
if (TInfo) {
  if (auto ProtoLoc =
      TInfo->getTypeLoc().IgnoreParens().getAs<FunctionProtoTypeLoc>()) {
    for (unsigned I = 0, N = Parameters.size(); I != N; ++I)
      ProtoLoc.setParam(I, Parameters[I]);
  }
}

if (usedDifferentExceptionSpec) {
  // Update FunctionProtoType::ExtProtoInfo.
  QualType T = Importer.Import(D->getType());
  if (T.isNull())
    return nullptr;
  ToFunction->setType(T);
}

// Import the body, if any.
if (Stmt *FromBody = D->getBody()) {
  if (Stmt *ToBody = Importer.Import(FromBody)) {
    ToFunction->setBody(ToBody);
  }
}

// FIXME: Other bits to merge?

// If it is a template, import all related things.
if (ImportTemplateInformation(D, ToFunction))
  return nullptr;

// Add this function to the lexical context.
// NOTE: If the function is templated declaration, it should be not added into
// LexicalDC. But described template is imported during import of
// FunctionTemplateDecl (it happens later). So, we use source declaration
// to determine if we should add the result function.
if (!D->getDescribedFunctionTemplate())
  LexicalDC->addDeclInternal(ToFunction);

if (auto *FromCXXMethod = dyn_cast<CXXMethodDecl>(D))
  ImportOverrides(cast<CXXMethodDecl>(ToFunction), FromCXXMethod);

return ToFunction;
2491}

2493Decl *ASTNodeImporter::VisitCXXMethodDecl(CXXMethodDecl *D) {
return VisitFunctionDecl(D);
2495}

2497Decl *ASTNodeImporter::VisitCXXConstructorDecl(CXXConstructorDecl *D) {
return VisitCXXMethodDecl(D);
2499}

2501Decl *ASTNodeImporter::VisitCXXDestructorDecl(CXXDestructorDecl *D) {
return VisitCXXMethodDecl(D);
2503}

2505Decl *ASTNodeImporter::VisitCXXConversionDecl(CXXConversionDecl *D) {
return VisitCXXMethodDecl(D);
2507}

2509static unsigned getFieldIndex(Decl *F) {
auto *Owner = dyn_cast<RecordDecl>(F->getDeclContext());
if (!Owner)
  return 0;

unsigned Index = 1;
for (const auto *D : Owner->noload_decls()) {
  if (D == F)
    return Index;

  if (isa<FieldDecl>(*D) || isa<IndirectFieldDecl>(*D))
    ++Index;
}

return Index;
2524}

2526Decl *ASTNodeImporter::VisitFieldDecl(FieldDecl *D) {
// Import the major distinguishing characteristics of a variable.
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *ToD;
if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc))
  return nullptr;
if (ToD)
  return ToD;

// Determine whether we've already imported this field. 
SmallVector<NamedDecl *, 2> FoundDecls;
DC->getRedeclContext()->localUncachedLookup(Name, FoundDecls);
for (auto *FoundDecl : FoundDecls) {
  if (auto *FoundField = dyn_cast<FieldDecl>(FoundDecl)) {
    // For anonymous fields, match up by index.
    if (!Name && getFieldIndex(D) != getFieldIndex(FoundField))
      continue;

    if (Importer.IsStructurallyEquivalent(D->getType(),
                                          FoundField->getType())) {
      Importer.Imported(D, FoundField);
      return FoundField;
    }

    Importer.ToDiag(Loc, diag::err_odr_field_type_inconsistent)
      << Name << D->getType() << FoundField->getType();
    Importer.ToDiag(FoundField->getLocation(), diag::note_odr_value_here)
      << FoundField->getType();
    return nullptr;
  }
}

// Import the type.
QualType T = Importer.Import(D->getType());
if (T.isNull())
  return nullptr;

TypeSourceInfo *TInfo = Importer.Import(D->getTypeSourceInfo());
Expr *BitWidth = Importer.Import(D->getBitWidth());
if (!BitWidth && D->getBitWidth())
  return nullptr;

FieldDecl *ToField = FieldDecl::Create(Importer.getToContext(), DC,
                                       Importer.Import(D->getInnerLocStart()),
                                       Loc, Name.getAsIdentifierInfo(),
                                       T, TInfo, BitWidth, D->isMutable(),
                                       D->getInClassInitStyle());
ToField->setAccess(D->getAccess());
ToField->setLexicalDeclContext(LexicalDC);
if (Expr *FromInitializer = D->getInClassInitializer()) {
  Expr *ToInitializer = Importer.Import(FromInitializer);
  if (ToInitializer)
    ToField->setInClassInitializer(ToInitializer);
  else
    return nullptr;
}
ToField->setImplicit(D->isImplicit());
Importer.Imported(D, ToField);
LexicalDC->addDeclInternal(ToField);
return ToField;
2588}

2590Decl *ASTNodeImporter::VisitIndirectFieldDecl(IndirectFieldDecl *D) {
// Import the major distinguishing characteristics of a variable.
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *ToD;
if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc))
  return nullptr;
if (ToD)
  return ToD;

// Determine whether we've already imported this field. 
SmallVector<NamedDecl *, 2> FoundDecls;
DC->getRedeclContext()->localUncachedLookup(Name, FoundDecls);
for (unsigned I = 0, N = FoundDecls.size(); I != N; ++I) {
  if (auto *FoundField = dyn_cast<IndirectFieldDecl>(FoundDecls[I])) {
    // For anonymous indirect fields, match up by index.
    if (!Name && getFieldIndex(D) != getFieldIndex(FoundField))
      continue;

    if (Importer.IsStructurallyEquivalent(D->getType(),
                                          FoundField->getType(),
                                          !Name.isEmpty())) {
      Importer.Imported(D, FoundField);
      return FoundField;
    }

    // If there are more anonymous fields to check, continue.
    if (!Name && I < N-1)
      continue;

    Importer.ToDiag(Loc, diag::err_odr_field_type_inconsistent)
      << Name << D->getType() << FoundField->getType();
    Importer.ToDiag(FoundField->getLocation(), diag::note_odr_value_here)
      << FoundField->getType();
    return nullptr;
  }
}

// Import the type.
QualType T = Importer.Import(D->getType());
if (T.isNull())
  return nullptr;

auto **NamedChain =
  new (Importer.getToContext()) NamedDecl*[D->getChainingSize()];

unsigned i = 0;
for (auto *PI : D->chain()) {
  Decl *D = Importer.Import(PI);
  if (!D)
    return nullptr;
  NamedChain[i++] = cast<NamedDecl>(D);
}

IndirectFieldDecl *ToIndirectField = IndirectFieldDecl::Create(
    Importer.getToContext(), DC, Loc, Name.getAsIdentifierInfo(), T,
    {NamedChain, D->getChainingSize()});

for (const auto *Attr : D->attrs())
  ToIndirectField->addAttr(Attr->clone(Importer.getToContext()));

ToIndirectField->setAccess(D->getAccess());
ToIndirectField->setLexicalDeclContext(LexicalDC);
Importer.Imported(D, ToIndirectField);
LexicalDC->addDeclInternal(ToIndirectField);
return ToIndirectField;
2657}

2659Decl *ASTNodeImporter::VisitFriendDecl(FriendDecl *D) {
// Import the major distinguishing characteristics of a declaration.
DeclContext *DC = Importer.ImportContext(D->getDeclContext());
DeclContext *LexicalDC = D->getDeclContext() == D->getLexicalDeclContext()
    ? DC : Importer.ImportContext(D->getLexicalDeclContext());
if (!DC || !LexicalDC)
  return nullptr;

// Determine whether we've already imported this decl.
// FriendDecl is not a NamedDecl so we cannot use localUncachedLookup.
auto *RD = cast<CXXRecordDecl>(DC);
FriendDecl *ImportedFriend = RD->getFirstFriend();
StructuralEquivalenceContext Context(
    Importer.getFromContext(), Importer.getToContext(),
    Importer.getNonEquivalentDecls(), false, false);

while (ImportedFriend) {
  if (D->getFriendDecl() && ImportedFriend->getFriendDecl()) {
    if (Context.IsStructurallyEquivalent(D->getFriendDecl(),
                                         ImportedFriend->getFriendDecl()))
      return Importer.Imported(D, ImportedFriend);

  } else if (D->getFriendType() && ImportedFriend->getFriendType()) {
    if (Importer.IsStructurallyEquivalent(
          D->getFriendType()->getType(),
          ImportedFriend->getFriendType()->getType(), true))
      return Importer.Imported(D, ImportedFriend);
  }
  ImportedFriend = ImportedFriend->getNextFriend();
}

// Not found. Create it.
FriendDecl::FriendUnion ToFU;
if (NamedDecl *FriendD = D->getFriendDecl())
  ToFU = cast_or_null<NamedDecl>(Importer.Import(FriendD));
else
  ToFU = Importer.Import(D->getFriendType());
if (!ToFU)
  return nullptr;

SmallVector<TemplateParameterList *, 1> ToTPLists(D->NumTPLists);
auto **FromTPLists = D->getTrailingObjects<TemplateParameterList *>();
for (unsigned I = 0; I < D->NumTPLists; I++) {
  TemplateParameterList *List = ImportTemplateParameterList(FromTPLists[I]);
  if (!List)
    return nullptr;
  ToTPLists[I] = List;
}

FriendDecl *FrD = FriendDecl::Create(Importer.getToContext(), DC,
                                     Importer.Import(D->getLocation()),
                                     ToFU, Importer.Import(D->getFriendLoc()),
                                     ToTPLists);

Importer.Imported(D, FrD);
RD->pushFriendDecl(FrD);

FrD->setAccess(D->getAccess());
FrD->setLexicalDeclContext(LexicalDC);
LexicalDC->addDeclInternal(FrD);
return FrD;
2720}

2722Decl *ASTNodeImporter::VisitObjCIvarDecl(ObjCIvarDecl *D) {
// Import the major distinguishing characteristics of an ivar.
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *ToD;
if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc))
  return nullptr;
if (ToD)
  return ToD;

// Determine whether we've already imported this ivar
SmallVector<NamedDecl *, 2> FoundDecls;
DC->getRedeclContext()->localUncachedLookup(Name, FoundDecls);
for (auto *FoundDecl : FoundDecls) {
  if (auto *FoundIvar = dyn_cast<ObjCIvarDecl>(FoundDecl)) {
    if (Importer.IsStructurallyEquivalent(D->getType(),
                                          FoundIvar->getType())) {
      Importer.Imported(D, FoundIvar);
      return FoundIvar;
    }

    Importer.ToDiag(Loc, diag::err_odr_ivar_type_inconsistent)
      << Name << D->getType() << FoundIvar->getType();
    Importer.ToDiag(FoundIvar->getLocation(), diag::note_odr_value_here)
      << FoundIvar->getType();
    return nullptr;
  }
}

// Import the type.
QualType T = Importer.Import(D->getType());
if (T.isNull())
  return nullptr;

TypeSourceInfo *TInfo = Importer.Import(D->getTypeSourceInfo());
Expr *BitWidth = Importer.Import(D->getBitWidth());
if (!BitWidth && D->getBitWidth())
  return nullptr;

ObjCIvarDecl *ToIvar = ObjCIvarDecl::Create(Importer.getToContext(),
                                            cast<ObjCContainerDecl>(DC),
                                     Importer.Import(D->getInnerLocStart()),
                                            Loc, Name.getAsIdentifierInfo(),
                                            T, TInfo, D->getAccessControl(),
                                            BitWidth, D->getSynthesize());
ToIvar->setLexicalDeclContext(LexicalDC);
Importer.Imported(D, ToIvar);
LexicalDC->addDeclInternal(ToIvar);
return ToIvar;
2772}

2774Decl *ASTNodeImporter::VisitVarDecl(VarDecl *D) {
// Import the major distinguishing characteristics of a variable.
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *ToD;
if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc))
  return nullptr;
if (ToD)
  return ToD;

// Try to find a variable in our own ("to") context with the same name and
// in the same context as the variable we're importing.
if (D->isFileVarDecl()) {
  VarDecl *MergeWithVar = nullptr;
  SmallVector<NamedDecl *, 4> ConflictingDecls;
  unsigned IDNS = Decl::IDNS_Ordinary;
  SmallVector<NamedDecl *, 2> FoundDecls;
  DC->getRedeclContext()->localUncachedLookup(Name, FoundDecls);
  for (auto *FoundDecl : FoundDecls) {
    if (!FoundDecl->isInIdentifierNamespace(IDNS))
      continue;

    if (auto *FoundVar = dyn_cast<VarDecl>(FoundDecl)) {
      // We have found a variable that we may need to merge with. Check it.
      if (FoundVar->hasExternalFormalLinkage() &&
          D->hasExternalFormalLinkage()) {
        if (Importer.IsStructurallyEquivalent(D->getType(),
                                              FoundVar->getType())) {
          MergeWithVar = FoundVar;
          break;
        }

        const ArrayType *FoundArray
          = Importer.getToContext().getAsArrayType(FoundVar->getType());
        const ArrayType *TArray
          = Importer.getToContext().getAsArrayType(D->getType());
        if (FoundArray && TArray) {
          if (isa<IncompleteArrayType>(FoundArray) &&
              isa<ConstantArrayType>(TArray)) {
            // Import the type.
            QualType T = Importer.Import(D->getType());
            if (T.isNull())
              return nullptr;

            FoundVar->setType(T);
            MergeWithVar = FoundVar;
            break;
          } else if (isa<IncompleteArrayType>(TArray) &&
                     isa<ConstantArrayType>(FoundArray)) {
            MergeWithVar = FoundVar;
            break;
          }
        }

        Importer.ToDiag(Loc, diag::err_odr_variable_type_inconsistent)
          << Name << D->getType() << FoundVar->getType();
        Importer.ToDiag(FoundVar->getLocation(), diag::note_odr_value_here)
          << FoundVar->getType();
      }
    }
    
    ConflictingDecls.push_back(FoundDecl);
  }

  if (MergeWithVar) {
    // An equivalent variable with external linkage has been found. Link 
    // the two declarations, then merge them.
    Importer.Imported(D, MergeWithVar);
    
    if (VarDecl *DDef = D->getDefinition()) {
      if (VarDecl *ExistingDef = MergeWithVar->getDefinition()) {
        Importer.ToDiag(ExistingDef->getLocation(), 
                        diag::err_odr_variable_multiple_def)
          << Name;
        Importer.FromDiag(DDef->getLocation(), diag::note_odr_defined_here);
      } else {
        Expr *Init = Importer.Import(DDef->getInit());
        MergeWithVar->setInit(Init);
        if (DDef->isInitKnownICE()) {
          EvaluatedStmt *Eval = MergeWithVar->ensureEvaluatedStmt();
          Eval->CheckedICE = true;
          Eval->IsICE = DDef->isInitICE();
        }
      }
    }
    
    return MergeWithVar;
  }
  
  if (!ConflictingDecls.empty()) {
    Name = Importer.HandleNameConflict(Name, DC, IDNS,
                                       ConflictingDecls.data(), 
                                       ConflictingDecls.size());
    if (!Name)
      return nullptr;
  }
}
  
// Import the type.
QualType T = Importer.Import(D->getType());
if (T.isNull())
  return nullptr;

// Create the imported variable.
TypeSourceInfo *TInfo = Importer.Import(D->getTypeSourceInfo());
VarDecl *ToVar = VarDecl::Create(Importer.getToContext(), DC,
                                 Importer.Import(D->getInnerLocStart()),
                                 Loc, Name.getAsIdentifierInfo(),
                                 T, TInfo,
                                 D->getStorageClass());
ToVar->setQualifierInfo(Importer.Import(D->getQualifierLoc()));
ToVar->setAccess(D->getAccess());
ToVar->setLexicalDeclContext(LexicalDC);
Importer.Imported(D, ToVar);

// Templated declarations should never appear in the enclosing DeclContext.
if (!D->getDescribedVarTemplate())
  LexicalDC->addDeclInternal(ToVar);

if (!D->isFileVarDecl() &&
    D->isUsed())
  ToVar->setIsUsed();

// Merge the initializer.
if (ImportDefinition(D, ToVar))
  return nullptr;

if (D->isConstexpr())
  ToVar->setConstexpr(true);

return ToVar;
2906}

2908Decl *ASTNodeImporter::VisitImplicitParamDecl(ImplicitParamDecl *D) {
// Parameters are created in the translation unit's context, then moved
// into the function declaration's context afterward.
DeclContext *DC = Importer.getToContext().getTranslationUnitDecl();

// Import the name of this declaration.
DeclarationName Name = Importer.Import(D->getDeclName());
if (D->getDeclName() && !Name)
  return nullptr;

// Import the location of this declaration.
SourceLocation Loc = Importer.Import(D->getLocation());

// Import the parameter's type.
QualType T = Importer.Import(D->getType());
if (T.isNull())
  return nullptr;

// Create the imported parameter.
auto *ToParm = ImplicitParamDecl::Create(Importer.getToContext(), DC, Loc,
                                         Name.getAsIdentifierInfo(), T,
                                         D->getParameterKind());
return Importer.Imported(D, ToParm);
2931}

2933Decl *ASTNodeImporter::VisitParmVarDecl(ParmVarDecl *D) {
// Parameters are created in the translation unit's context, then moved
// into the function declaration's context afterward.
DeclContext *DC = Importer.getToContext().getTranslationUnitDecl();

// Import the name of this declaration.
DeclarationName Name = Importer.Import(D->getDeclName());
if (D->getDeclName() && !Name)
  return nullptr;

// Import the location of this declaration.
SourceLocation Loc = Importer.Import(D->getLocation());

// Import the parameter's type.
QualType T = Importer.Import(D->getType());
if (T.isNull())
  return nullptr;

// Create the imported parameter.
TypeSourceInfo *TInfo = Importer.Import(D->getTypeSourceInfo());
ParmVarDecl *ToParm = ParmVarDecl::Create(Importer.getToContext(), DC,
                                   Importer.Import(D->getInnerLocStart()),
                                          Loc, Name.getAsIdentifierInfo(),
                                          T, TInfo, D->getStorageClass(),
                                          /*DefaultArg*/ nullptr);

// Set the default argument.
ToParm->setHasInheritedDefaultArg(D->hasInheritedDefaultArg());
ToParm->setKNRPromoted(D->isKNRPromoted());

Expr *ToDefArg = nullptr;
Expr *FromDefArg = nullptr;
if (D->hasUninstantiatedDefaultArg()) {
  FromDefArg = D->getUninstantiatedDefaultArg();
  ToDefArg = Importer.Import(FromDefArg);
  ToParm->setUninstantiatedDefaultArg(ToDefArg);
} else if (D->hasUnparsedDefaultArg()) {
  ToParm->setUnparsedDefaultArg();
} else if (D->hasDefaultArg()) {
  FromDefArg = D->getDefaultArg();
  ToDefArg = Importer.Import(FromDefArg);
  ToParm->setDefaultArg(ToDefArg);
}
if (FromDefArg && !ToDefArg)
  return nullptr;

if (D->isObjCMethodParameter()) {
  ToParm->setObjCMethodScopeInfo(D->getFunctionScopeIndex());
  ToParm->setObjCDeclQualifier(D->getObjCDeclQualifier());
} else {
  ToParm->setScopeInfo(D->getFunctionScopeDepth(),
                       D->getFunctionScopeIndex());
}

if (D->isUsed())
  ToParm->setIsUsed();

return Importer.Imported(D, ToParm);
2991}

2993Decl *ASTNodeImporter::VisitObjCMethodDecl(ObjCMethodDecl *D) {
// Import the major distinguishing characteristics of a method.
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *ToD;
if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc))
  return nullptr;
if (ToD)
  return ToD;

SmallVector<NamedDecl *, 2> FoundDecls;
DC->getRedeclContext()->localUncachedLookup(Name, FoundDecls);
for (auto *FoundDecl : FoundDecls) {
  if (auto *FoundMethod = dyn_cast<ObjCMethodDecl>(FoundDecl)) {
    if (FoundMethod->isInstanceMethod() != D->isInstanceMethod())
      continue;

    // Check return types.
    if (!Importer.IsStructurallyEquivalent(D->getReturnType(),
                                           FoundMethod->getReturnType())) {
      Importer.ToDiag(Loc, diag::err_odr_objc_method_result_type_inconsistent)
          << D->isInstanceMethod() << Name << D->getReturnType()
          << FoundMethod->getReturnType();
      Importer.ToDiag(FoundMethod->getLocation(), 
                      diag::note_odr_objc_method_here)
        << D->isInstanceMethod() << Name;
      return nullptr;
    }

    // Check the number of parameters.
    if (D->param_size() != FoundMethod->param_size()) {
      Importer.ToDiag(Loc, diag::err_odr_objc_method_num_params_inconsistent)
        << D->isInstanceMethod() << Name
        << D->param_size() << FoundMethod->param_size();
      Importer.ToDiag(FoundMethod->getLocation(), 
                      diag::note_odr_objc_method_here)
        << D->isInstanceMethod() << Name;
      return nullptr;
    }

    // Check parameter types.
    for (ObjCMethodDecl::param_iterator P = D->param_begin(),
           PEnd = D->param_end(), FoundP = FoundMethod->param_begin();
         P != PEnd; ++P, ++FoundP) {
      if (!Importer.IsStructurallyEquivalent((*P)->getType(),
                                             (*FoundP)->getType())) {
        Importer.FromDiag((*P)->getLocation(),
                          diag::err_odr_objc_method_param_type_inconsistent)
          << D->isInstanceMethod() << Name
          << (*P)->getType() << (*FoundP)->getType();
        Importer.ToDiag((*FoundP)->getLocation(), diag::note_odr_value_here)
          << (*FoundP)->getType();
        return nullptr;
      }
    }

    // Check variadic/non-variadic.
    // Check the number of parameters.
    if (D->isVariadic() != FoundMethod->isVariadic()) {
      Importer.ToDiag(Loc, diag::err_odr_objc_method_variadic_inconsistent)
        << D->isInstanceMethod() << Name;
      Importer.ToDiag(FoundMethod->getLocation(), 
                      diag::note_odr_objc_method_here)
        << D->isInstanceMethod() << Name;
      return nullptr;
    }

    // FIXME: Any other bits we need to merge?
    return Importer.Imported(D, FoundMethod);
  }
}

// Import the result type.
QualType ResultTy = Importer.Import(D->getReturnType());
if (ResultTy.isNull())
  return nullptr;

TypeSourceInfo *ReturnTInfo = Importer.Import(D->getReturnTypeSourceInfo());

ObjCMethodDecl *ToMethod = ObjCMethodDecl::Create(
    Importer.getToContext(), Loc, Importer.Import(D->getLocEnd()),
    Name.getObjCSelector(), ResultTy, ReturnTInfo, DC, D->isInstanceMethod(),
    D->isVariadic(), D->isPropertyAccessor(), D->isImplicit(), D->isDefined(),
    D->getImplementationControl(), D->hasRelatedResultType());

// FIXME: When we decide to merge method definitions, we'll need to
// deal with implicit parameters.

// Import the parameters
SmallVector<ParmVarDecl *, 5> ToParams;
for (auto *FromP : D->parameters()) {
  auto *ToP = cast_or_null<ParmVarDecl>(Importer.Import(FromP));
  if (!ToP)
    return nullptr;

  ToParams.push_back(ToP);
}

// Set the parameters.
for (auto *ToParam : ToParams) {
  ToParam->setOwningFunction(ToMethod);
  ToMethod->addDeclInternal(ToParam);
}

SmallVector<SourceLocation, 12> SelLocs;
D->getSelectorLocs(SelLocs);
for (auto &Loc : SelLocs)
  Loc = Importer.Import(Loc);

ToMethod->setMethodParams(Importer.getToContext(), ToParams, SelLocs);

ToMethod->setLexicalDeclContext(LexicalDC);
Importer.Imported(D, ToMethod);
LexicalDC->addDeclInternal(ToMethod);
return ToMethod;
3109}

3111Decl *ASTNodeImporter::VisitObjCTypeParamDecl(ObjCTypeParamDecl *D) {
// Import the major distinguishing characteristics of a category.
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *ToD;
if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc))
  return nullptr;
if (ToD)
  return ToD;

TypeSourceInfo *BoundInfo = Importer.Import(D->getTypeSourceInfo());
if (!BoundInfo)
  return nullptr;

ObjCTypeParamDecl *Result = ObjCTypeParamDecl::Create(
                              Importer.getToContext(), DC,
                              D->getVariance(),
                              Importer.Import(D->getVarianceLoc()),
                              D->getIndex(),
                              Importer.Import(D->getLocation()),
                              Name.getAsIdentifierInfo(),
                              Importer.Import(D->getColonLoc()),
                              BoundInfo);
Importer.Imported(D, Result);
Result->setLexicalDeclContext(LexicalDC);
return Result;
3138}

3140Decl *ASTNodeImporter::VisitObjCCategoryDecl(ObjCCategoryDecl *D) {
// Import the major distinguishing characteristics of a category.
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *ToD;
if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc))
  return nullptr;
if (ToD)
  return ToD;

auto *ToInterface =
    cast_or_null<ObjCInterfaceDecl>(Importer.Import(D->getClassInterface()));
if (!ToInterface)
  return nullptr;

// Determine if we've already encountered this category.
ObjCCategoryDecl *MergeWithCategory
  = ToInterface->FindCategoryDeclaration(Name.getAsIdentifierInfo());
ObjCCategoryDecl *ToCategory = MergeWithCategory;
if (!ToCategory) {
  ToCategory = ObjCCategoryDecl::Create(Importer.getToContext(), DC,
                                        Importer.Import(D->getAtStartLoc()),
                                        Loc, 
                                     Importer.Import(D->getCategoryNameLoc()), 
                                        Name.getAsIdentifierInfo(),
                                        ToInterface,
                                        /*TypeParamList=*/nullptr,
                                     Importer.Import(D->getIvarLBraceLoc()),
                                     Importer.Import(D->getIvarRBraceLoc()));
  ToCategory->setLexicalDeclContext(LexicalDC);
  LexicalDC->addDeclInternal(ToCategory);
  Importer.Imported(D, ToCategory);
  // Import the type parameter list after calling Imported, to avoid
  // loops when bringing in their DeclContext.
  ToCategory->setTypeParamList(ImportObjCTypeParamList(
                                 D->getTypeParamList()));
  
  // Import protocols
  SmallVector<ObjCProtocolDecl *, 4> Protocols;
  SmallVector<SourceLocation, 4> ProtocolLocs;
  ObjCCategoryDecl::protocol_loc_iterator FromProtoLoc
    = D->protocol_loc_begin();
  for (ObjCCategoryDecl::protocol_iterator FromProto = D->protocol_begin(),
                                        FromProtoEnd = D->protocol_end();
       FromProto != FromProtoEnd;
       ++FromProto, ++FromProtoLoc) {
    auto *ToProto =
        cast_or_null<ObjCProtocolDecl>(Importer.Import(*FromProto));
    if (!ToProto)
      return nullptr;
    Protocols.push_back(ToProto);
    ProtocolLocs.push_back(Importer.Import(*FromProtoLoc));
  }
  
  // FIXME: If we're merging, make sure that the protocol list is the same.
  ToCategory->setProtocolList(Protocols.data(), Protocols.size(),
                              ProtocolLocs.data(), Importer.getToContext());
} else {
  Importer.Imported(D, ToCategory);
}

// Import all of the members of this category.
ImportDeclContext(D);

// If we have an implementation, import it as well.
if (D->getImplementation()) {
  auto *Impl =
      cast_or_null<ObjCCategoryImplDecl>(
                                     Importer.Import(D->getImplementation()));
  if (!Impl)
    return nullptr;

  ToCategory->setImplementation(Impl);
}

return ToCategory;
3217}

3219bool ASTNodeImporter::ImportDefinition(ObjCProtocolDecl *From, 
                                     ObjCProtocolDecl *To,
                                     ImportDefinitionKind Kind) {
if (To->getDefinition()) {
  if (shouldForceImportDeclContext(Kind))
    ImportDeclContext(From);
  return false;
}

// Start the protocol definition
To->startDefinition();

// Import protocols
SmallVector<ObjCProtocolDecl *, 4> Protocols;
SmallVector<SourceLocation, 4> ProtocolLocs;
ObjCProtocolDecl::protocol_loc_iterator 
FromProtoLoc = From->protocol_loc_begin();
for (ObjCProtocolDecl::protocol_iterator FromProto = From->protocol_begin(),
                                      FromProtoEnd = From->protocol_end();
     FromProto != FromProtoEnd;
     ++FromProto, ++FromProtoLoc) {
  auto *ToProto = cast_or_null<ObjCProtocolDecl>(Importer.Import(*FromProto));
  if (!ToProto)
    return true;
  Protocols.push_back(ToProto);
  ProtocolLocs.push_back(Importer.Import(*FromProtoLoc));
}

// FIXME: If we're merging, make sure that the protocol list is the same.
To->setProtocolList(Protocols.data(), Protocols.size(),
                    ProtocolLocs.data(), Importer.getToContext());

if (shouldForceImportDeclContext(Kind)) {
  // Import all of the members of this protocol.
  ImportDeclContext(From, /*ForceImport=*/true);
}
return false;
3256}

3258Decl *ASTNodeImporter::VisitObjCProtocolDecl(ObjCProtocolDecl *D) {
// If this protocol has a definition in the translation unit we're coming 
// from, but this particular declaration is not that definition, import the
// definition and map to that.
ObjCProtocolDecl *Definition = D->getDefinition();
if (Definition && Definition != D) {
  Decl *ImportedDef = Importer.Import(Definition);
  if (!ImportedDef)
    return nullptr;

  return Importer.Imported(D, ImportedDef);
}

// Import the major distinguishing characteristics of a protocol.
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *ToD;
if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc))
  return nullptr;
if (ToD)
  return ToD;

ObjCProtocolDecl *MergeWithProtocol = nullptr;
SmallVector<NamedDecl *, 2> FoundDecls;
DC->getRedeclContext()->localUncachedLookup(Name, FoundDecls);
for (auto *FoundDecl : FoundDecls) {
  if (!FoundDecl->isInIdentifierNamespace(Decl::IDNS_ObjCProtocol))
    continue;
  
  if ((MergeWithProtocol = dyn_cast<ObjCProtocolDecl>(FoundDecl)))
    break;
}

ObjCProtocolDecl *ToProto = MergeWithProtocol;
if (!ToProto) {
  ToProto = ObjCProtocolDecl::Create(Importer.getToContext(), DC,
                                     Name.getAsIdentifierInfo(), Loc,
                                     Importer.Import(D->getAtStartLoc()),
                                     /*PrevDecl=*/nullptr);
  ToProto->setLexicalDeclContext(LexicalDC);
  LexicalDC->addDeclInternal(ToProto);
}
  
Importer.Imported(D, ToProto);

if (D->isThisDeclarationADefinition() && ImportDefinition(D, ToProto))
  return nullptr;

return ToProto;
3308}

3310Decl *ASTNodeImporter::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
DeclContext *DC = Importer.ImportContext(D->getDeclContext());
DeclContext *LexicalDC = Importer.ImportContext(D->getLexicalDeclContext());

SourceLocation ExternLoc = Importer.Import(D->getExternLoc());
SourceLocation LangLoc = Importer.Import(D->getLocation());

bool HasBraces = D->hasBraces();

LinkageSpecDecl *ToLinkageSpec =
  LinkageSpecDecl::Create(Importer.getToContext(),
                          DC,
                          ExternLoc,
                          LangLoc,
                          D->getLanguage(),
                          HasBraces);

if (HasBraces) {
  SourceLocation RBraceLoc = Importer.Import(D->getRBraceLoc());
  ToLinkageSpec->setRBraceLoc(RBraceLoc);
}

ToLinkageSpec->setLexicalDeclContext(LexicalDC);
LexicalDC->addDeclInternal(ToLinkageSpec);

Importer.Imported(D, ToLinkageSpec);

return ToLinkageSpec;
3338}

3340Decl *ASTNodeImporter::VisitUsingDecl(UsingDecl *D) {
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *ToD = nullptr;
if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc))
  return nullptr;
if (ToD)
  return ToD;

DeclarationNameInfo NameInfo(Name,
                             Importer.Import(D->getNameInfo().getLoc()));
ImportDeclarationNameLoc(D->getNameInfo(), NameInfo);

UsingDecl *ToUsing = UsingDecl::Create(Importer.getToContext(), DC,
                                       Importer.Import(D->getUsingLoc()),
                                       Importer.Import(D->getQualifierLoc()),
                                       NameInfo, D->hasTypename());
ToUsing->setLexicalDeclContext(LexicalDC);
LexicalDC->addDeclInternal(ToUsing);
Importer.Imported(D, ToUsing);

if (NamedDecl *FromPattern =
    Importer.getFromContext().getInstantiatedFromUsingDecl(D)) {
  if (auto *ToPattern =
          dyn_cast_or_null<NamedDecl>(Importer.Import(FromPattern)))
    Importer.getToContext().setInstantiatedFromUsingDecl(ToUsing, ToPattern);
  else
    return nullptr;
}

for (auto *FromShadow : D->shadows()) {
  if (auto *ToShadow =
          dyn_cast_or_null<UsingShadowDecl>(Importer.Import(FromShadow)))
    ToUsing->addShadowDecl(ToShadow);
  else
    // FIXME: We return a nullptr here but the definition is already created
    // and available with lookups. How to fix this?..
    return nullptr;
}
return ToUsing;
3381}

3383Decl *ASTNodeImporter::VisitUsingShadowDecl(UsingShadowDecl *D) {
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *ToD = nullptr;
if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc))
  return nullptr;
if (ToD)
  return ToD;

auto *ToUsing = dyn_cast_or_null<UsingDecl>(
    Importer.Import(D->getUsingDecl()));
if (!ToUsing)
  return nullptr;

auto *ToTarget = dyn_cast_or_null<NamedDecl>(
    Importer.Import(D->getTargetDecl()));
if (!ToTarget)
  return nullptr;

UsingShadowDecl *ToShadow = UsingShadowDecl::Create(
      Importer.getToContext(), DC, Loc, ToUsing, ToTarget);

ToShadow->setLexicalDeclContext(LexicalDC);
ToShadow->setAccess(D->getAccess());
Importer.Imported(D, ToShadow);

if (UsingShadowDecl *FromPattern =
    Importer.getFromContext().getInstantiatedFromUsingShadowDecl(D)) {
  if (auto *ToPattern =
          dyn_cast_or_null<UsingShadowDecl>(Importer.Import(FromPattern)))
    Importer.getToContext().setInstantiatedFromUsingShadowDecl(ToShadow,
                                                               ToPattern);
  else
    // FIXME: We return a nullptr here but the definition is already created
    // and available with lookups. How to fix this?..
    return nullptr;
}

LexicalDC->addDeclInternal(ToShadow);

return ToShadow;
3425}

3427Decl *ASTNodeImporter::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) {
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *ToD = nullptr;
if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc))
  return nullptr;
if (ToD)
  return ToD;

DeclContext *ToComAncestor = Importer.ImportContext(D->getCommonAncestor());
if (!ToComAncestor)
  return nullptr;

auto *ToNominated = cast_or_null<NamespaceDecl>(
    Importer.Import(D->getNominatedNamespace()));
if (!ToNominated)
  return nullptr;

UsingDirectiveDecl *ToUsingDir = UsingDirectiveDecl::Create(
      Importer.getToContext(), DC, Importer.Import(D->getUsingLoc()),
      Importer.Import(D->getNamespaceKeyLocation()),
      Importer.Import(D->getQualifierLoc()),
      Importer.Import(D->getIdentLocation()), ToNominated, ToComAncestor);
ToUsingDir->setLexicalDeclContext(LexicalDC);
LexicalDC->addDeclInternal(ToUsingDir);
Importer.Imported(D, ToUsingDir);

return ToUsingDir;
3456}

3458Decl *ASTNodeImporter::VisitUnresolvedUsingValueDecl(
  UnresolvedUsingValueDecl *D) {
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *ToD = nullptr;
if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc))
  return nullptr;
if (ToD)
  return ToD;

DeclarationNameInfo NameInfo(Name, Importer.Import(D->getNameInfo().getLoc()));
ImportDeclarationNameLoc(D->getNameInfo(), NameInfo);

UnresolvedUsingValueDecl *ToUsingValue = UnresolvedUsingValueDecl::Create(
      Importer.getToContext(), DC, Importer.Import(D->getUsingLoc()),
      Importer.Import(D->getQualifierLoc()), NameInfo,
      Importer.Import(D->getEllipsisLoc()));

Importer.Imported(D, ToUsingValue);
ToUsingValue->setAccess(D->getAccess());
ToUsingValue->setLexicalDeclContext(LexicalDC);
LexicalDC->addDeclInternal(ToUsingValue);

return ToUsingValue;
3483}

3485Decl *ASTNodeImporter::VisitUnresolvedUsingTypenameDecl(
  UnresolvedUsingTypenameDecl *D) {
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *ToD = nullptr;
if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc))
  return nullptr;
if (ToD)
  return ToD;

UnresolvedUsingTypenameDecl *ToUsing = UnresolvedUsingTypenameDecl::Create(
      Importer.getToContext(), DC, Importer.Import(D->getUsingLoc()),
      Importer.Import(D->getTypenameLoc()),
      Importer.Import(D->getQualifierLoc()), Loc, Name,
      Importer.Import(D->getEllipsisLoc()));

Importer.Imported(D, ToUsing);
ToUsing->setAccess(D->getAccess());
ToUsing->setLexicalDeclContext(LexicalDC);
LexicalDC->addDeclInternal(ToUsing);

return ToUsing;
3508}

3510bool ASTNodeImporter::ImportDefinition(ObjCInterfaceDecl *From, 
                                     ObjCInterfaceDecl *To,
                                     ImportDefinitionKind Kind) {
if (To->getDefinition()) {
  // Check consistency of superclass.
  ObjCInterfaceDecl *FromSuper = From->getSuperClass();
  if (FromSuper) {
    FromSuper = cast_or_null<ObjCInterfaceDecl>(Importer.Import(FromSuper));
    if (!FromSuper)
      return true;
  }
  
  ObjCInterfaceDecl *ToSuper = To->getSuperClass();    
  if ((bool)FromSuper != (bool)ToSuper ||
      (FromSuper && !declaresSameEntity(FromSuper, ToSuper))) {
    Importer.ToDiag(To->getLocation(), 
                    diag::err_odr_objc_superclass_inconsistent)
      << To->getDeclName();
    if (ToSuper)
      Importer.ToDiag(To->getSuperClassLoc(), diag::note_odr_objc_superclass)
        << To->getSuperClass()->getDeclName();
    else
      Importer.ToDiag(To->getLocation(), 
                      diag::note_odr_objc_missing_superclass);
    if (From->getSuperClass())
      Importer.FromDiag(From->getSuperClassLoc(), 
                        diag::note_odr_objc_superclass)
      << From->getSuperClass()->getDeclName();
    else
      Importer.FromDiag(From->getLocation(), 
                        diag::note_odr_objc_missing_superclass);        
  }
  
  if (shouldForceImportDeclContext(Kind))
    ImportDeclContext(From);
  return false;
}

// Start the definition.
To->startDefinition();

// If this class has a superclass, import it.
if (From->getSuperClass()) {
  TypeSourceInfo *SuperTInfo = Importer.Import(From->getSuperClassTInfo());
  if (!SuperTInfo)
    return true;

  To->setSuperClass(SuperTInfo);
}

// Import protocols
SmallVector<ObjCProtocolDecl *, 4> Protocols;
SmallVector<SourceLocation, 4> ProtocolLocs;
ObjCInterfaceDecl::protocol_loc_iterator 
FromProtoLoc = From->protocol_loc_begin();

for (ObjCInterfaceDecl::protocol_iterator FromProto = From->protocol_begin(),
                                       FromProtoEnd = From->protocol_end();
     FromProto != FromProtoEnd;
     ++FromProto, ++FromProtoLoc) {
  auto *ToProto = cast_or_null<ObjCProtocolDecl>(Importer.Import(*FromProto));
  if (!ToProto)
    return true;
  Protocols.push_back(ToProto);
  ProtocolLocs.push_back(Importer.Import(*FromProtoLoc));
}

// FIXME: If we're merging, make sure that the protocol list is the same.
To->setProtocolList(Protocols.data(), Protocols.size(),
                    ProtocolLocs.data(), Importer.getToContext());

// Import categories. When the categories themselves are imported, they'll
// hook themselves into this interface.
for (auto *Cat : From->known_categories())
  Importer.Import(Cat);

// If we have an @implementation, import it as well.
if (From->getImplementation()) {
  auto *Impl = cast_or_null<ObjCImplementationDecl>(
      Importer.Import(From->getImplementation()));
  if (!Impl)
    return true;
  
  To->setImplementation(Impl);
}

if (shouldForceImportDeclContext(Kind)) {
  // Import all of the members of this class.
  ImportDeclContext(From, /*ForceImport=*/true);
}
return false;
3601}

3603ObjCTypeParamList *
3604ASTNodeImporter::ImportObjCTypeParamList(ObjCTypeParamList *list) {
if (!list)
  return nullptr;

SmallVector<ObjCTypeParamDecl *, 4> toTypeParams;
for (auto fromTypeParam : *list) {
  auto *toTypeParam = cast_or_null<ObjCTypeParamDecl>(
      Importer.Import(fromTypeParam));
  if (!toTypeParam)
    return nullptr;

  toTypeParams.push_back(toTypeParam);
}

return ObjCTypeParamList::create(Importer.getToContext(),
                                 Importer.Import(list->getLAngleLoc()),
                                 toTypeParams,
                                 Importer.Import(list->getRAngleLoc()));
3622}

3624Decl *ASTNodeImporter::VisitObjCInterfaceDecl(ObjCInterfaceDecl *D) {
// If this class has a definition in the translation unit we're coming from,
// but this particular declaration is not that definition, import the
// definition and map to that.
ObjCInterfaceDecl *Definition = D->getDefinition();
if (Definition && Definition != D) {
  Decl *ImportedDef = Importer.Import(Definition);
  if (!ImportedDef)
    return nullptr;

  return Importer.Imported(D, ImportedDef);
}

// Import the major distinguishing characteristics of an @interface.
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *ToD;
if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc))
  return nullptr;
if (ToD)
  return ToD;

// Look for an existing interface with the same name.
ObjCInterfaceDecl *MergeWithIface = nullptr;
SmallVector<NamedDecl *, 2> FoundDecls;
DC->getRedeclContext()->localUncachedLookup(Name, FoundDecls);
for (auto *FoundDecl : FoundDecls) {
  if (!FoundDecl->isInIdentifierNamespace(Decl::IDNS_Ordinary))
    continue;
  
  if ((MergeWithIface = dyn_cast<ObjCInterfaceDecl>(FoundDecl)))
    break;
}

// Create an interface declaration, if one does not already exist.
ObjCInterfaceDecl *ToIface = MergeWithIface;
if (!ToIface) {
  ToIface = ObjCInterfaceDecl::Create(Importer.getToContext(), DC,
                                      Importer.Import(D->getAtStartLoc()),
                                      Name.getAsIdentifierInfo(),
                                      /*TypeParamList=*/nullptr,
                                      /*PrevDecl=*/nullptr, Loc,
                                      D->isImplicitInterfaceDecl());
  ToIface->setLexicalDeclContext(LexicalDC);
  LexicalDC->addDeclInternal(ToIface);
}
Importer.Imported(D, ToIface);
// Import the type parameter list after calling Imported, to avoid
// loops when bringing in their DeclContext.
ToIface->setTypeParamList(ImportObjCTypeParamList(
                            D->getTypeParamListAsWritten()));

if (D->isThisDeclarationADefinition() && ImportDefinition(D, ToIface))
  return nullptr;

return ToIface;
3681}

3683Decl *ASTNodeImporter::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) {
auto *Category = cast_or_null<ObjCCategoryDecl>(
    Importer.Import(D->getCategoryDecl()));
if (!Category)
  return nullptr;

ObjCCategoryImplDecl *ToImpl = Category->getImplementation();
if (!ToImpl) {
  DeclContext *DC = Importer.ImportContext(D->getDeclContext());
  if (!DC)
    return nullptr;

  SourceLocation CategoryNameLoc = Importer.Import(D->getCategoryNameLoc());
  ToImpl = ObjCCategoryImplDecl::Create(Importer.getToContext(), DC,
                                        Importer.Import(D->getIdentifier()),
                                        Category->getClassInterface(),
                                        Importer.Import(D->getLocation()),
                                        Importer.Import(D->getAtStartLoc()),
                                        CategoryNameLoc);
  
  DeclContext *LexicalDC = DC;
  if (D->getDeclContext() != D->getLexicalDeclContext()) {
    LexicalDC = Importer.ImportContext(D->getLexicalDeclContext());
    if (!LexicalDC)
      return nullptr;

    ToImpl->setLexicalDeclContext(LexicalDC);
  }
  
  LexicalDC->addDeclInternal(ToImpl);
  Category->setImplementation(ToImpl);
}

Importer.Imported(D, ToImpl);
ImportDeclContext(D);
return ToImpl;
3719}

3721Decl *ASTNodeImporter::VisitObjCImplementationDecl(ObjCImplementationDecl *D) {
// Find the corresponding interface.
auto *Iface = cast_or_null<ObjCInterfaceDecl>(
    Importer.Import(D->getClassInterface()));
if (!Iface)
  return nullptr;

// Import the superclass, if any.
ObjCInterfaceDecl *Super = nullptr;
if (D->getSuperClass()) {
  Super = cast_or_null<ObjCInterfaceDecl>(
                                        Importer.Import(D->getSuperClass()));
  if (!Super)
    return nullptr;
}

ObjCImplementationDecl *Impl = Iface->getImplementation();
if (!Impl) {
  // We haven't imported an implementation yet. Create a new @implementation
  // now.
  Impl = ObjCImplementationDecl::Create(Importer.getToContext(),
                                Importer.ImportContext(D->getDeclContext()),
                                        Iface, Super,
                                        Importer.Import(D->getLocation()),
                                        Importer.Import(D->getAtStartLoc()),
                                        Importer.Import(D->getSuperClassLoc()),
                                        Importer.Import(D->getIvarLBraceLoc()),
                                        Importer.Import(D->getIvarRBraceLoc()));
  
  if (D->getDeclContext() != D->getLexicalDeclContext()) {
    DeclContext *LexicalDC
      = Importer.ImportContext(D->getLexicalDeclContext());
    if (!LexicalDC)
      return nullptr;
    Impl->setLexicalDeclContext(LexicalDC);
  }
  
  // Associate the implementation with the class it implements.
  Iface->setImplementation(Impl);
  Importer.Imported(D, Iface->getImplementation());
} else {
  Importer.Imported(D, Iface->getImplementation());

  // Verify that the existing @implementation has the same superclass.
  if ((Super && !Impl->getSuperClass()) ||
      (!Super && Impl->getSuperClass()) ||
      (Super && Impl->getSuperClass() &&
       !declaresSameEntity(Super->getCanonicalDecl(),
                           Impl->getSuperClass()))) {
    Importer.ToDiag(Impl->getLocation(),
                    diag::err_odr_objc_superclass_inconsistent)
      << Iface->getDeclName();
    // FIXME: It would be nice to have the location of the superclass
    // below.
    if (Impl->getSuperClass())
      Importer.ToDiag(Impl->getLocation(),
                      diag::note_odr_objc_superclass)
      << Impl->getSuperClass()->getDeclName();
    else
      Importer.ToDiag(Impl->getLocation(),
                      diag::note_odr_objc_missing_superclass);
    if (D->getSuperClass())
      Importer.FromDiag(D->getLocation(),
                        diag::note_odr_objc_superclass)
      << D->getSuperClass()->getDeclName();
    else
      Importer.FromDiag(D->getLocation(),
                        diag::note_odr_objc_missing_superclass);
    return nullptr;
  }
}
  
// Import all of the members of this @implementation.
ImportDeclContext(D);

return Impl;
3797}

3799Decl *ASTNodeImporter::VisitObjCPropertyDecl(ObjCPropertyDecl *D) {
// Import the major distinguishing characteristics of an @property.
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *ToD;
if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc))
  return nullptr;
if (ToD)
  return ToD;

// Check whether we have already imported this property.
SmallVector<NamedDecl *, 2> FoundDecls;
DC->getRedeclContext()->localUncachedLookup(Name, FoundDecls);
for (auto *FoundDecl : FoundDecls) {
  if (auto *FoundProp = dyn_cast<ObjCPropertyDecl>(FoundDecl)) {
    // Check property types.
    if (!Importer.IsStructurallyEquivalent(D->getType(),
                                           FoundProp->getType())) {
      Importer.ToDiag(Loc, diag::err_odr_objc_property_type_inconsistent)
        << Name << D->getType() << FoundProp->getType();
      Importer.ToDiag(FoundProp->getLocation(), diag::note_odr_value_here)
        << FoundProp->getType();
      return nullptr;
    }

    // FIXME: Check property attributes, getters, setters, etc.?

    // Consider these properties to be equivalent.
    Importer.Imported(D, FoundProp);
    return FoundProp;
  }
}

// Import the type.
TypeSourceInfo *TSI = Importer.Import(D->getTypeSourceInfo());
if (!TSI)
  return nullptr;

// Create the new property.
ObjCPropertyDecl *ToProperty
  = ObjCPropertyDecl::Create(Importer.getToContext(), DC, Loc,
                             Name.getAsIdentifierInfo(), 
                             Importer.Import(D->getAtLoc()),
                             Importer.Import(D->getLParenLoc()),
                             Importer.Import(D->getType()),
                             TSI,
                             D->getPropertyImplementation());
Importer.Imported(D, ToProperty);
ToProperty->setLexicalDeclContext(LexicalDC);
LexicalDC->addDeclInternal(ToProperty);

ToProperty->setPropertyAttributes(D->getPropertyAttributes());
ToProperty->setPropertyAttributesAsWritten(
                                    D->getPropertyAttributesAsWritten());
ToProperty->setGetterName(Importer.Import(D->getGetterName()),
                          Importer.Import(D->getGetterNameLoc()));
ToProperty->setSetterName(Importer.Import(D->getSetterName()),
                          Importer.Import(D->getSetterNameLoc()));
ToProperty->setGetterMethodDecl(
   cast_or_null<ObjCMethodDecl>(Importer.Import(D->getGetterMethodDecl())));
ToProperty->setSetterMethodDecl(
   cast_or_null<ObjCMethodDecl>(Importer.Import(D->getSetterMethodDecl())));
ToProperty->setPropertyIvarDecl(
     cast_or_null<ObjCIvarDecl>(Importer.Import(D->getPropertyIvarDecl())));
return ToProperty;
3865}

3867Decl *ASTNodeImporter::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D) {
auto *Property = cast_or_null<ObjCPropertyDecl>(
    Importer.Import(D->getPropertyDecl()));
if (!Property)
18
←
Assuming 'Property' is non-null→
19
←
Taking false branch→
  return nullptr;

DeclContext *DC = Importer.ImportContext(D->getDeclContext());
if (!DC)
20
←
Assuming 'DC' is non-null→
21
←
Taking false branch→
  return nullptr;

// Import the lexical declaration context.
DeclContext *LexicalDC = DC;
if (D->getDeclContext() != D->getLexicalDeclContext()) {
22
←
Assuming the condition is false→
23
←
Taking false branch→
  LexicalDC = Importer.ImportContext(D->getLexicalDeclContext());
  if (!LexicalDC)
    return nullptr;
}

auto *InImpl = dyn_cast<ObjCImplDecl>(LexicalDC);
if (!InImpl)
24
←
Assuming 'InImpl' is non-null→
25
←
Taking false branch→
  return nullptr;

// Import the ivar (for an @synthesize).
ObjCIvarDecl *Ivar = nullptr;
26
←
'Ivar' initialized to a null pointer value→
if (D->getPropertyIvarDecl()) {
27
←
Assuming the condition is false→
28
←
Taking false branch→
  Ivar = cast_or_null<ObjCIvarDecl>(
                                  Importer.Import(D->getPropertyIvarDecl()));
  if (!Ivar)
    return nullptr;
}

ObjCPropertyImplDecl *ToImpl
  = InImpl->FindPropertyImplDecl(Property->getIdentifier(),
                                 Property->getQueryKind());
if (!ToImpl) {    
29
←
Assuming 'ToImpl' is non-null→
30
←
Taking false branch→
  ToImpl = ObjCPropertyImplDecl::Create(Importer.getToContext(), DC,
                                        Importer.Import(D->getLocStart()),
                                        Importer.Import(D->getLocation()),
                                        Property,
                                        D->getPropertyImplementation(),
                                        Ivar, 
                                Importer.Import(D->getPropertyIvarDeclLoc()));
  ToImpl->setLexicalDeclContext(LexicalDC);
  Importer.Imported(D, ToImpl);
  LexicalDC->addDeclInternal(ToImpl);
} else {
  // Check that we have the same kind of property implementation (@synthesize
  // vs. @dynamic).
  if (D->getPropertyImplementation() != ToImpl->getPropertyImplementation()) {
31
←
Taking false branch→
    Importer.ToDiag(ToImpl->getLocation(), 
                    diag::err_odr_objc_property_impl_kind_inconsistent)
      << Property->getDeclName() 
      << (ToImpl->getPropertyImplementation() 
                                            == ObjCPropertyImplDecl::Dynamic);
    Importer.FromDiag(D->getLocation(),
                      diag::note_odr_objc_property_impl_kind)
      << D->getPropertyDecl()->getDeclName()
      << (D->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic);
    return nullptr;
  }
  
  // For @synthesize, check that we have the same 
  if (D->getPropertyImplementation() == ObjCPropertyImplDecl::Synthesize &&
32
←
Assuming the condition is true→
34
←
Taking true branch→
      Ivar != ToImpl->getPropertyIvarDecl()) {
33
←
Assuming the condition is true→
    Importer.ToDiag(ToImpl->getPropertyIvarDeclLoc(), 
                    diag::err_odr_objc_synthesize_ivar_inconsistent)
      << Property->getDeclName()
      << ToImpl->getPropertyIvarDecl()->getDeclName()
      << Ivar->getDeclName();
35
←
Called C++ object pointer is null
    Importer.FromDiag(D->getPropertyIvarDeclLoc(), 
                      diag::note_odr_objc_synthesize_ivar_here)
      << D->getPropertyIvarDecl()->getDeclName();
    return nullptr;
  }
  
  // Merge the existing implementation with the new implementation.
  Importer.Imported(D, ToImpl);
}

return ToImpl;
3947}

3949Decl *ASTNodeImporter::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) {
// For template arguments, we adopt the translation unit as our declaration
// context. This context will be fixed when the actual template declaration
// is created.

// FIXME: Import default argument.
return TemplateTypeParmDecl::Create(Importer.getToContext(),
                            Importer.getToContext().getTranslationUnitDecl(),
                                    Importer.Import(D->getLocStart()),
                                    Importer.Import(D->getLocation()),
                                    D->getDepth(),
                                    D->getIndex(), 
                                    Importer.Import(D->getIdentifier()),
                                    D->wasDeclaredWithTypename(),
                                    D->isParameterPack());
3964}

3966Decl *
3967ASTNodeImporter::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) {
// Import the name of this declaration.
DeclarationName Name = Importer.Import(D->getDeclName());
if (D->getDeclName() && !Name)
  return nullptr;

// Import the location of this declaration.
SourceLocation Loc = Importer.Import(D->getLocation());

// Import the type of this declaration.
QualType T = Importer.Import(D->getType());
if (T.isNull())
  return nullptr;

// Import type-source information.
TypeSourceInfo *TInfo = Importer.Import(D->getTypeSourceInfo());
if (D->getTypeSourceInfo() && !TInfo)
  return nullptr;

// FIXME: Import default argument.

return NonTypeTemplateParmDecl::Create(Importer.getToContext(),
                             Importer.getToContext().getTranslationUnitDecl(),
                                       Importer.Import(D->getInnerLocStart()),
                                       Loc, D->getDepth(), D->getPosition(),
                                       Name.getAsIdentifierInfo(),
                                       T, D->isParameterPack(), TInfo);
3994}

3996Decl *
3997ASTNodeImporter::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) {
// Import the name of this declaration.
DeclarationName Name = Importer.Import(D->getDeclName());
if (D->getDeclName() && !Name)
  return nullptr;

// Import the location of this declaration.
SourceLocation Loc = Importer.Import(D->getLocation());

// Import template parameters.
TemplateParameterList *TemplateParams
  = ImportTemplateParameterList(D->getTemplateParameters());
if (!TemplateParams)
  return nullptr;

// FIXME: Import default argument.

return TemplateTemplateParmDecl::Create(Importer.getToContext(), 
                            Importer.getToContext().getTranslationUnitDecl(), 
                                        Loc, D->getDepth(), D->getPosition(),
                                        D->isParameterPack(),
                                        Name.getAsIdentifierInfo(), 
                                        TemplateParams);
4020}

4022Decl *ASTNodeImporter::VisitClassTemplateDecl(ClassTemplateDecl *D) {
// If this record has a definition in the translation unit we're coming from,
// but this particular declaration is not that definition, import the
// definition and map to that.
auto *Definition =
    cast_or_null<CXXRecordDecl>(D->getTemplatedDecl()->getDefinition());
if (Definition && Definition != D->getTemplatedDecl()) {
  Decl *ImportedDef
    = Importer.Import(Definition->getDescribedClassTemplate());
  if (!ImportedDef)
    return nullptr;

  return Importer.Imported(D, ImportedDef);
}

// Import the major distinguishing characteristics of this class template.
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *ToD;
if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc))
  return nullptr;
if (ToD)
  return ToD;

// We may already have a template of the same name; try to find and match it.
if (!DC->isFunctionOrMethod()) {
  SmallVector<NamedDecl *, 4> ConflictingDecls;
  SmallVector<NamedDecl *, 2> FoundDecls;
  DC->getRedeclContext()->localUncachedLookup(Name, FoundDecls);
  for (auto *FoundDecl : FoundDecls) {
    if (!FoundDecl->isInIdentifierNamespace(Decl::IDNS_Ordinary))
      continue;
    
    Decl *Found = FoundDecl;
    if (auto *FoundTemplate = dyn_cast<ClassTemplateDecl>(Found)) {
      if (IsStructuralMatch(D, FoundTemplate)) {
        // The class templates structurally match; call it the same template.
        // FIXME: We may be filling in a forward declaration here. Handle
        // this case!
        Importer.Imported(D->getTemplatedDecl(), 
                          FoundTemplate->getTemplatedDecl());
        return Importer.Imported(D, FoundTemplate);
      }         
    }
    
    ConflictingDecls.push_back(FoundDecl);
  }
  
  if (!ConflictingDecls.empty()) {
    Name = Importer.HandleNameConflict(Name, DC, Decl::IDNS_Ordinary,
                                       ConflictingDecls.data(), 
                                       ConflictingDecls.size());
  }
  
  if (!Name)
    return nullptr;
}

CXXRecordDecl *FromTemplated = D->getTemplatedDecl();

// Create the declaration that is being templated.
auto *ToTemplated = cast_or_null<CXXRecordDecl>(
    Importer.Import(FromTemplated));
if (!ToTemplated)
  return nullptr;

// Resolve possible cyclic import.
if (Decl *AlreadyImported = Importer.GetAlreadyImportedOrNull(D))
  return AlreadyImported;

// Create the class template declaration itself.
TemplateParameterList *TemplateParams =
    ImportTemplateParameterList(D->getTemplateParameters());
if (!TemplateParams)
  return nullptr;

ClassTemplateDecl *D2 = ClassTemplateDecl::Create(Importer.getToContext(), DC, 
                                                  Loc, Name, TemplateParams, 
                                                  ToTemplated);
ToTemplated->setDescribedClassTemplate(D2);

D2->setAccess(D->getAccess());
D2->setLexicalDeclContext(LexicalDC);
LexicalDC->addDeclInternal(D2);

// Note the relationship between the class templates.
Importer.Imported(D, D2);
Importer.Imported(FromTemplated, ToTemplated);

if (FromTemplated->isCompleteDefinition() &&
    !ToTemplated->isCompleteDefinition()) {
  // FIXME: Import definition!
}

return D2;
4118}

4120Decl *ASTNodeImporter::VisitClassTemplateSpecializationDecl(
                                        ClassTemplateSpecializationDecl *D) {
// If this record has a definition in the translation unit we're coming from,
// but this particular declaration is not that definition, import the
// definition and map to that.
TagDecl *Definition = D->getDefinition();
if (Definition && Definition != D) {
  Decl *ImportedDef = Importer.Import(Definition);
  if (!ImportedDef)
    return nullptr;

  return Importer.Imported(D, ImportedDef);
}

auto *ClassTemplate =
    cast_or_null<ClassTemplateDecl>(Importer.Import(
                                               D->getSpecializedTemplate()));
if (!ClassTemplate)
  return nullptr;

// Import the context of this declaration.
DeclContext *DC = ClassTemplate->getDeclContext();
if (!DC)
  return nullptr;

DeclContext *LexicalDC = DC;
if (D->getDeclContext() != D->getLexicalDeclContext()) {
  LexicalDC = Importer.ImportContext(D->getLexicalDeclContext());
  if (!LexicalDC)
    return nullptr;
}

// Import the location of this declaration.
SourceLocation StartLoc = Importer.Import(D->getLocStart());
SourceLocation IdLoc = Importer.Import(D->getLocation());

// Import template arguments.
SmallVector<TemplateArgument, 2> TemplateArgs;
if (ImportTemplateArguments(D->getTemplateArgs().data(), 
                            D->getTemplateArgs().size(),
                            TemplateArgs))
  return nullptr;

// Try to find an existing specialization with these template arguments.
void *InsertPos = nullptr;
ClassTemplateSpecializationDecl *D2
  = ClassTemplate->findSpecialization(TemplateArgs, InsertPos);
if (D2) {
  // We already have a class template specialization with these template
  // arguments.
  
  // FIXME: Check for specialization vs. instantiation errors.
  
  if (RecordDecl *FoundDef = D2->getDefinition()) {
    if (!D->isCompleteDefinition() || IsStructuralMatch(D, FoundDef)) {
      // The record types structurally match, or the "from" translation
      // unit only had a forward declaration anyway; call it the same
      // function.
      return Importer.Imported(D, FoundDef);
    }
  }
} else {
  // Create a new specialization.
  if (auto *PartialSpec =
          dyn_cast<ClassTemplatePartialSpecializationDecl>(D)) {
    // Import TemplateArgumentListInfo
    TemplateArgumentListInfo ToTAInfo;
    const auto &ASTTemplateArgs = *PartialSpec->getTemplateArgsAsWritten();
    if (ImportTemplateArgumentListInfo(ASTTemplateArgs, ToTAInfo))
      return nullptr;

    QualType CanonInjType = Importer.Import(
          PartialSpec->getInjectedSpecializationType());
    if (CanonInjType.isNull())
      return nullptr;
    CanonInjType = CanonInjType.getCanonicalType();

    TemplateParameterList *ToTPList = ImportTemplateParameterList(
          PartialSpec->getTemplateParameters());
    if (!ToTPList && PartialSpec->getTemplateParameters())
      return nullptr;

    D2 = ClassTemplatePartialSpecializationDecl::Create(
          Importer.getToContext(), D->getTagKind(), DC, StartLoc, IdLoc,
          ToTPList, ClassTemplate,
          llvm::makeArrayRef(TemplateArgs.data(), TemplateArgs.size()),
          ToTAInfo, CanonInjType, nullptr);

  } else {
    D2 = ClassTemplateSpecializationDecl::Create(Importer.getToContext(),
                                                 D->getTagKind(), DC,
                                                 StartLoc, IdLoc,
                                                 ClassTemplate,
                                                 TemplateArgs,
                                                 /*PrevDecl=*/nullptr);
  }

  D2->setSpecializationKind(D->getSpecializationKind());

  // Add this specialization to the class template.
  ClassTemplate->AddSpecialization(D2, InsertPos);
  
  // Import the qualifier, if any.
  D2->setQualifierInfo(Importer.Import(D->getQualifierLoc()));

  Importer.Imported(D, D2);

  if (auto *TSI = D->getTypeAsWritten()) {
    TypeSourceInfo *TInfo = Importer.Import(TSI);
    if (!TInfo)
      return nullptr;
    D2->setTypeAsWritten(TInfo);
    D2->setTemplateKeywordLoc(Importer.Import(D->getTemplateKeywordLoc()));
    D2->setExternLoc(Importer.Import(D->getExternLoc()));
  }

  SourceLocation POI = Importer.Import(D->getPointOfInstantiation());
  if (POI.isValid())
    D2->setPointOfInstantiation(POI);
  else if (D->getPointOfInstantiation().isValid())
    return nullptr;

  D2->setTemplateSpecializationKind(D->getTemplateSpecializationKind());

  // Add the specialization to this context.
  D2->setLexicalDeclContext(LexicalDC);
  LexicalDC->addDeclInternal(D2);
}
Importer.Imported(D, D2);
if (D->isCompleteDefinition() && ImportDefinition(D, D2))
  return nullptr;

return D2;
4253}

4255Decl *ASTNodeImporter::VisitVarTemplateDecl(VarTemplateDecl *D) {
// If this variable has a definition in the translation unit we're coming
// from,
// but this particular declaration is not that definition, import the
// definition and map to that.
auto *Definition =
    cast_or_null<VarDecl>(D->getTemplatedDecl()->getDefinition());
if (Definition && Definition != D->getTemplatedDecl()) {
  Decl *ImportedDef = Importer.Import(Definition->getDescribedVarTemplate());
  if (!ImportedDef)
    return nullptr;

  return Importer.Imported(D, ImportedDef);
}

// Import the major distinguishing characteristics of this variable template.
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *ToD;
if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc))
  return nullptr;
if (ToD)
  return ToD;

// We may already have a template of the same name; try to find and match it.
assert(!DC->isFunctionOrMethod() &&(static_cast <bool> (!DC->isFunctionOrMethod() &&
 "Variable templates cannot be declared at function scope") ?
 void (0) : __assert_fail ("!DC->isFunctionOrMethod() && \"Variable templates cannot be declared at function scope\""
, "/build/llvm-toolchain-snapshot-7~svn329677/tools/clang/lib/AST/ASTImporter.cpp"
, 4282, __extension__ __PRETTY_FUNCTION__))
       "Variable templates cannot be declared at function scope")(static_cast <bool> (!DC->isFunctionOrMethod() &&
 "Variable templates cannot be declared at function scope") ?
 void (0) : __assert_fail ("!DC->isFunctionOrMethod() && \"Variable templates cannot be declared at function scope\""
, "/build/llvm-toolchain-snapshot-7~svn329677/tools/clang/lib/AST/ASTImporter.cpp"
, 4282, __extension__ __PRETTY_FUNCTION__));
SmallVector<NamedDecl *, 4> ConflictingDecls;
SmallVector<NamedDecl *, 2> FoundDecls;
DC->getRedeclContext()->localUncachedLookup(Name, FoundDecls);
for (auto *FoundDecl : FoundDecls) {
  if (!FoundDecl->isInIdentifierNamespace(Decl::IDNS_Ordinary))
    continue;

  Decl *Found = FoundDecl;
  if (auto *FoundTemplate = dyn_cast<VarTemplateDecl>(Found)) {
    if (IsStructuralMatch(D, FoundTemplate)) {
      // The variable templates structurally match; call it the same template.
      Importer.Imported(D->getTemplatedDecl(),
                        FoundTemplate->getTemplatedDecl());
      return Importer.Imported(D, FoundTemplate);
    }
  }

  ConflictingDecls.push_back(FoundDecl);
}

if (!ConflictingDecls.empty()) {
  Name = Importer.HandleNameConflict(Name, DC, Decl::IDNS_Ordinary,
                                     ConflictingDecls.data(),
                                     ConflictingDecls.size());
}

if (!Name)
  return nullptr;

VarDecl *DTemplated = D->getTemplatedDecl();

// Import the type.
QualType T = Importer.Import(DTemplated->getType());
if (T.isNull())
  return nullptr;

// Create the declaration that is being templated.
auto *ToTemplated = dyn_cast_or_null<VarDecl>(Importer.Import(DTemplated));
if (!ToTemplated)
  return nullptr;

// Create the variable template declaration itself.
TemplateParameterList *TemplateParams =
    ImportTemplateParameterList(D->getTemplateParameters());
if (!TemplateParams)
  return nullptr;

VarTemplateDecl *ToVarTD = VarTemplateDecl::Create(
    Importer.getToContext(), DC, Loc, Name, TemplateParams, ToTemplated);
ToTemplated->setDescribedVarTemplate(ToVarTD);

ToVarTD->setAccess(D->getAccess());
ToVarTD->setLexicalDeclContext(LexicalDC);
LexicalDC->addDeclInternal(ToVarTD);

// Note the relationship between the variable templates.
Importer.Imported(D, ToVarTD);
Importer.Imported(DTemplated, ToTemplated);

if (DTemplated->isThisDeclarationADefinition() &&
    !ToTemplated->isThisDeclarationADefinition()) {
  // FIXME: Import definition!
}

return ToVarTD;
4348}

4350Decl *ASTNodeImporter::VisitVarTemplateSpecializationDecl(
  VarTemplateSpecializationDecl *D) {
// If this record has a definition in the translation unit we're coming from,
// but this particular declaration is not that definition, import the
// definition and map to that.
VarDecl *Definition = D->getDefinition();
if (Definition && Definition != D) {
  Decl *ImportedDef = Importer.Import(Definition);
  if (!ImportedDef)
    return nullptr;

  return Importer.Imported(D, ImportedDef);
}

auto *VarTemplate = cast_or_null<VarTemplateDecl>(
    Importer.Import(D->getSpecializedTemplate()));
if (!VarTemplate)
  return nullptr;

// Import the context of this declaration.
DeclContext *DC = VarTemplate->getDeclContext();
if (!DC)
  return nullptr;

DeclContext *LexicalDC = DC;
if (D->getDeclContext() != D->getLexicalDeclContext()) {
  LexicalDC = Importer.ImportContext(D->getLexicalDeclContext());
  if (!LexicalDC)
    return nullptr;
}

// Import the location of this declaration.
SourceLocation StartLoc = Importer.Import(D->getLocStart());
SourceLocation IdLoc = Importer.Import(D->getLocation());

// Import template arguments.
SmallVector<TemplateArgument, 2> TemplateArgs;
if (ImportTemplateArguments(D->getTemplateArgs().data(),
                            D->getTemplateArgs().size(), TemplateArgs))
  return nullptr;

// Try to find an existing specialization with these template arguments.
void *InsertPos = nullptr;
VarTemplateSpecializationDecl *D2 = VarTemplate->findSpecialization(
    TemplateArgs, InsertPos);
if (D2) {
  // We already have a variable template specialization with these template
  // arguments.

  // FIXME: Check for specialization vs. instantiation errors.

  if (VarDecl *FoundDef = D2->getDefinition()) {
    if (!D->isThisDeclarationADefinition() ||
        IsStructuralMatch(D, FoundDef)) {
      // The record types structurally match, or the "from" translation
      // unit only had a forward declaration anyway; call it the same
      // variable.
      return Importer.Imported(D, FoundDef);
    }
  }
} else {
  // Import the type.
  QualType T = Importer.Import(D->getType());
  if (T.isNull())
    return nullptr;

  TypeSourceInfo *TInfo = Importer.Import(D->getTypeSourceInfo());
  if (D->getTypeSourceInfo() && !TInfo)
    return nullptr;

  TemplateArgumentListInfo ToTAInfo;
  if (ImportTemplateArgumentListInfo(D->getTemplateArgsInfo(), ToTAInfo))
    return nullptr;

  using PartVarSpecDecl = VarTemplatePartialSpecializationDecl;
  // Create a new specialization.
  if (auto *FromPartial = dyn_cast<PartVarSpecDecl>(D)) {
    // Import TemplateArgumentListInfo
    TemplateArgumentListInfo ArgInfos;
    const auto *FromTAArgsAsWritten = FromPartial->getTemplateArgsAsWritten();
    // NOTE: FromTAArgsAsWritten and template parameter list are non-null.
    if (ImportTemplateArgumentListInfo(*FromTAArgsAsWritten, ArgInfos))
      return nullptr;

    TemplateParameterList *ToTPList = ImportTemplateParameterList(
          FromPartial->getTemplateParameters());
    if (!ToTPList)
      return nullptr;

    auto *ToPartial = PartVarSpecDecl::Create(
        Importer.getToContext(), DC, StartLoc, IdLoc, ToTPList, VarTemplate,
        T, TInfo, D->getStorageClass(), TemplateArgs, ArgInfos);

    auto *FromInst = FromPartial->getInstantiatedFromMember();
    auto *ToInst = cast_or_null<PartVarSpecDecl>(Importer.Import(FromInst));
    if (FromInst && !ToInst)
      return nullptr;

    ToPartial->setInstantiatedFromMember(ToInst);
    if (FromPartial->isMemberSpecialization())
      ToPartial->setMemberSpecialization();

    D2 = ToPartial;
  } else { // Full specialization
    D2 = VarTemplateSpecializationDecl::Create(
        Importer.getToContext(), DC, StartLoc, IdLoc, VarTemplate, T, TInfo,
        D->getStorageClass(), TemplateArgs);
  }

  SourceLocation POI = D->getPointOfInstantiation();
  if (POI.isValid())
    D2->setPointOfInstantiation(Importer.Import(POI));

  D2->setSpecializationKind(D->getSpecializationKind());
  D2->setTemplateArgsInfo(ToTAInfo);

  // Add this specialization to the class template.
  VarTemplate->AddSpecialization(D2, InsertPos);

  // Import the qualifier, if any.
  D2->setQualifierInfo(Importer.Import(D->getQualifierLoc()));

  if (D->isConstexpr())
    D2->setConstexpr(true);

  // Add the specialization to this context.
  D2->setLexicalDeclContext(LexicalDC);
  LexicalDC->addDeclInternal(D2);

  D2->setAccess(D->getAccess());
}

Importer.Imported(D, D2);

// NOTE: isThisDeclarationADefinition() can return DeclarationOnly even if
// declaration has initializer. Should this be fixed in the AST?.. Anyway,
// we have to check the declaration for initializer - otherwise, it won't be
// imported.
if ((D->isThisDeclarationADefinition() || D->hasInit()) &&
    ImportDefinition(D, D2))
  return nullptr;

return D2;
4493}

4495Decl *ASTNodeImporter::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) {
DeclContext *DC, *LexicalDC;
DeclarationName Name;
SourceLocation Loc;
NamedDecl *ToD;

if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc))
  return nullptr;

if (ToD)
  return ToD;

// Try to find a function in our own ("to") context with the same name, same
// type, and in the same context as the function we're importing.
if (!LexicalDC->isFunctionOrMethod()) {
  unsigned IDNS = Decl::IDNS_Ordinary;
  SmallVector<NamedDecl *, 2> FoundDecls;
  DC->getRedeclContext()->localUncachedLookup(Name, FoundDecls);
  for (auto *FoundDecl : FoundDecls) {
    if (!FoundDecl->isInIdentifierNamespace(IDNS))
      continue;

    if (auto *FoundFunction = dyn_cast<FunctionTemplateDecl>(FoundDecl)) {
      if (FoundFunction->hasExternalFormalLinkage() &&
          D->hasExternalFormalLinkage()) {
        if (IsStructuralMatch(D, FoundFunction)) {
          Importer.Imported(D, FoundFunction);
          // FIXME: Actually try to merge the body and other attributes.
          return FoundFunction;
        }
      }
    }
  }
}

TemplateParameterList *Params =
    ImportTemplateParameterList(D->getTemplateParameters());
if (!Params)
  return nullptr;

auto *TemplatedFD =
    cast_or_null<FunctionDecl>(Importer.Import(D->getTemplatedDecl()));
if (!TemplatedFD)
  return nullptr;

FunctionTemplateDecl *ToFunc = FunctionTemplateDecl::Create(
    Importer.getToContext(), DC, Loc, Name, Params, TemplatedFD);

TemplatedFD->setDescribedFunctionTemplate(ToFunc);
ToFunc->setAccess(D->getAccess());
ToFunc->setLexicalDeclContext(LexicalDC);
Importer.Imported(D, ToFunc);

LexicalDC->addDeclInternal(ToFunc);
return ToFunc;
4550}

4552//----------------------------------------------------------------------------
4553// Import Statements
4554//----------------------------------------------------------------------------

4556DeclGroupRef ASTNodeImporter::ImportDeclGroup(DeclGroupRef DG) {
if (DG.isNull())
  return DeclGroupRef::Create(Importer.getToContext(), nullptr, 0);
size_t NumDecls = DG.end() - DG.begin();
SmallVector<Decl *, 1> ToDecls(NumDecls);
auto &_Importer = this->Importer;
std::transform(DG.begin(), DG.end(), ToDecls.begin(),
  [&_Importer](Decl *D) -> Decl * {
    return _Importer.Import(D);
  });
return DeclGroupRef::Create(Importer.getToContext(),
                            ToDecls.begin(),
                            NumDecls);
4569}

4571Stmt *ASTNodeImporter::VisitStmt(Stmt *S) {
Importer.FromDiag(S->getLocStart(), diag::err_unsupported_ast_node)
  << S->getStmtClassName();
return nullptr;
4575}

4577Stmt *ASTNodeImporter::VisitGCCAsmStmt(GCCAsmStmt *S) {
SmallVector<IdentifierInfo *, 4> Names;
for (unsigned I = 0, E = S->getNumOutputs(); I != E; I++) {
  IdentifierInfo *ToII = Importer.Import(S->getOutputIdentifier(I));
  // ToII is nullptr when no symbolic name is given for output operand
  // see ParseStmtAsm::ParseAsmOperandsOpt
  if (!ToII && S->getOutputIdentifier(I))
    return nullptr;
  Names.push_back(ToII);
}
for (unsigned I = 0, E = S->getNumInputs(); I != E; I++) {
  IdentifierInfo *ToII = Importer.Import(S->getInputIdentifier(I));
  // ToII is nullptr when no symbolic name is given for input operand
  // see ParseStmtAsm::ParseAsmOperandsOpt
  if (!ToII && S->getInputIdentifier(I))
    return nullptr;
  Names.push_back(ToII);
}

SmallVector<StringLiteral *, 4> Clobbers;
for (unsigned I = 0, E = S->getNumClobbers(); I != E; I++) {
  auto *Clobber = cast_or_null<StringLiteral>(
      Importer.Import(S->getClobberStringLiteral(I)));
  if (!Clobber)
    return nullptr;
  Clobbers.push_back(Clobber);
}

SmallVector<StringLiteral *, 4> Constraints;
for (unsigned I = 0, E = S->getNumOutputs(); I != E; I++) {
  auto *Output = cast_or_null<StringLiteral>(
      Importer.Import(S->getOutputConstraintLiteral(I)));
  if (!Output)
    return nullptr;
  Constraints.push_back(Output);
}

for (unsigned I = 0, E = S->getNumInputs(); I != E; I++) {
  auto *Input = cast_or_null<StringLiteral>(
      Importer.Import(S->getInputConstraintLiteral(I)));
  if (!Input)
    return nullptr;
  Constraints.push_back(Input);
}

SmallVector<Expr *, 4> Exprs(S->getNumOutputs() + S->getNumInputs());
if (ImportContainerChecked(S->outputs(), Exprs))
  return nullptr;

if (ImportArrayChecked(S->inputs(), Exprs.begin() + S->getNumOutputs()))
  return nullptr;

auto *AsmStr = cast_or_null<StringLiteral>(
    Importer.Import(S->getAsmString()));
if (!AsmStr)
  return nullptr;

return new (Importer.getToContext()) GCCAsmStmt(
      Importer.getToContext(),
      Importer.Import(S->getAsmLoc()),
      S->isSimple(),
      S->isVolatile(),
      S->getNumOutputs(),
      S->getNumInputs(),
      Names.data(),
      Constraints.data(),
      Exprs.data(),
      AsmStr,
      S->getNumClobbers(),
      Clobbers.data(),
      Importer.Import(S->getRParenLoc()));
4648}

4650Stmt *ASTNodeImporter::VisitDeclStmt(DeclStmt *S) {
DeclGroupRef ToDG = ImportDeclGroup(S->getDeclGroup());
for (auto *ToD : ToDG) {
  if (!ToD)
    return nullptr;
}
SourceLocation ToStartLoc = Importer.Import(S->getStartLoc());
SourceLocation ToEndLoc = Importer.Import(S->getEndLoc());
return new (Importer.getToContext()) DeclStmt(ToDG, ToStartLoc, ToEndLoc);
4659}

4661Stmt *ASTNodeImporter::VisitNullStmt(NullStmt *S) {
SourceLocation ToSemiLoc = Importer.Import(S->getSemiLoc());
return new (Importer.getToContext()) NullStmt(ToSemiLoc,
                                              S->hasLeadingEmptyMacro());
4665}

4667Stmt *ASTNodeImporter::VisitCompoundStmt(CompoundStmt *S) {
SmallVector<Stmt *, 8> ToStmts(S->size());

if (ImportContainerChecked(S->body(), ToStmts))
  return nullptr;

SourceLocation ToLBraceLoc = Importer.Import(S->getLBracLoc());
SourceLocation ToRBraceLoc = Importer.Import(S->getRBracLoc());
return CompoundStmt::Create(Importer.getToContext(), ToStmts, ToLBraceLoc,
                            ToRBraceLoc);
4677}

4679Stmt *ASTNodeImporter::VisitCaseStmt(CaseStmt *S) {
Expr *ToLHS = Importer.Import(S->getLHS());
if (!ToLHS)
  return nullptr;
Expr *ToRHS = Importer.Import(S->getRHS());
if (!ToRHS && S->getRHS())
  return nullptr;
Stmt *ToSubStmt = Importer.Import(S->getSubStmt());
if (!ToSubStmt && S->getSubStmt())
  return nullptr;
SourceLocation ToCaseLoc = Importer.Import(S->getCaseLoc());
SourceLocation ToEllipsisLoc = Importer.Import(S->getEllipsisLoc());
SourceLocation ToColonLoc = Importer.Import(S->getColonLoc());
auto *ToStmt = new (Importer.getToContext())
    CaseStmt(ToLHS, ToRHS, ToCaseLoc, ToEllipsisLoc, ToColonLoc);
ToStmt->setSubStmt(ToSubStmt);
return ToStmt;
4696}

4698Stmt *ASTNodeImporter::VisitDefaultStmt(DefaultStmt *S) {
SourceLocation ToDefaultLoc = Importer.Import(S->getDefaultLoc());
SourceLocation ToColonLoc = Importer.Import(S->getColonLoc());
Stmt *ToSubStmt = Importer.Import(S->getSubStmt());
if (!ToSubStmt && S->getSubStmt())
  return nullptr;
return new (Importer.getToContext()) DefaultStmt(ToDefaultLoc, ToColonLoc,
                                                 ToSubStmt);
4706}

4708Stmt *ASTNodeImporter::VisitLabelStmt(LabelStmt *S) {
SourceLocation ToIdentLoc = Importer.Import(S->getIdentLoc());
auto *ToLabelDecl = cast_or_null<LabelDecl>(Importer.Import(S->getDecl()));
if (!ToLabelDecl && S->getDecl())
  return nullptr;
Stmt *ToSubStmt = Importer.Import(S->getSubStmt());
if (!ToSubStmt && S->getSubStmt())
  return nullptr;
return new (Importer.getToContext()) LabelStmt(ToIdentLoc, ToLabelDecl,
                                               ToSubStmt);
4718}

4720Stmt *ASTNodeImporter::VisitAttributedStmt(AttributedStmt *S) {
SourceLocation ToAttrLoc = Importer.Import(S->getAttrLoc());
ArrayRef<const Attr*> FromAttrs(S->getAttrs());
SmallVector<const Attr *, 1> ToAttrs(FromAttrs.size());
ASTContext &_ToContext = Importer.getToContext();
std::transform(FromAttrs.begin(), FromAttrs.end(), ToAttrs.begin(),
  [&_ToContext](const Attr *A) -> const Attr * {
    return A->clone(_ToContext);
  });
for (const auto *ToA : ToAttrs) {
  if (!ToA)
    return nullptr;
}
Stmt *ToSubStmt = Importer.Import(S->getSubStmt());
if (!ToSubStmt && S->getSubStmt())
  return nullptr;
return AttributedStmt::Create(Importer.getToContext(), ToAttrLoc,
                              ToAttrs, ToSubStmt);
4738}

4740Stmt *ASTNodeImporter::VisitIfStmt(IfStmt *S) {
SourceLocation ToIfLoc = Importer.Import(S->getIfLoc());
Stmt *ToInit = Importer.Import(S->getInit());
if (!ToInit && S->getInit())
  return nullptr;
VarDecl *ToConditionVariable = nullptr;
if (VarDecl *FromConditionVariable = S->getConditionVariable()) {
  ToConditionVariable =
    dyn_cast_or_null<VarDecl>(Importer.Import(FromConditionVariable));
  if (!ToConditionVariable)
    return nullptr;
}
Expr *ToCondition = Importer.Import(S->getCond());
if (!ToCondition && S->getCond())
  return nullptr;
Stmt *ToThenStmt = Importer.Import(S->getThen());
if (!ToThenStmt && S->getThen())
  return nullptr;
SourceLocation ToElseLoc = Importer.Import(S->getElseLoc());
Stmt *ToElseStmt = Importer.Import(S->getElse());
if (!ToElseStmt && S->getElse())
  return nullptr;
return new (Importer.getToContext()) IfStmt(Importer.getToContext(),
                                            ToIfLoc, S->isConstexpr(),
                                            ToInit,
                                            ToConditionVariable,
                                            ToCondition, ToThenStmt,
                                            ToElseLoc, ToElseStmt);
4768}

4770Stmt *ASTNodeImporter::VisitSwitchStmt(SwitchStmt *S) {
Stmt *ToInit = Importer.Import(S->getInit());
if (!ToInit && S->getInit())
  return nullptr;
VarDecl *ToConditionVariable = nullptr;
if (VarDecl *FromConditionVariable = S->getConditionVariable()) {
  ToConditionVariable =
    dyn_cast_or_null<VarDecl>(Importer.Import(FromConditionVariable));
  if (!ToConditionVariable)
    return nullptr;
}
Expr *ToCondition = Importer.Import(S->getCond());
if (!ToCondition && S->getCond())
  return nullptr;
auto *ToStmt = new (Importer.getToContext()) SwitchStmt(
                       Importer.getToContext(), ToInit,
                       ToConditionVariable, ToCondition);
Stmt *ToBody = Importer.Import(S->getBody());
if (!ToBody && S->getBody())
  return nullptr;
ToStmt->setBody(ToBody);
ToStmt->setSwitchLoc(Importer.Import(S->getSwitchLoc()));
// Now we have to re-chain the cases.
SwitchCase *LastChainedSwitchCase = nullptr;
for (SwitchCase *SC = S->getSwitchCaseList(); SC != nullptr;
     SC = SC->getNextSwitchCase()) {
  auto *ToSC = dyn_cast_or_null<SwitchCase>(Importer.Import(SC));
  if (!ToSC)
    return nullptr;
  if (LastChainedSwitchCase)
    LastChainedSwitchCase->setNextSwitchCase(ToSC);
  else
    ToStmt->setSwitchCaseList(ToSC);
  LastChainedSwitchCase = ToSC;
}
return ToStmt;
4806}

4808Stmt *ASTNodeImporter::VisitWhileStmt(WhileStmt *S) {
VarDecl *ToConditionVariable = nullptr;
if (VarDecl *FromConditionVariable = S->getConditionVariable()) {
  ToConditionVariable =
    dyn_cast_or_null<VarDecl>(Importer.Import(FromConditionVariable));
  if (!ToConditionVariable)
    return nullptr;
}
Expr *ToCondition = Importer.Import(S->getCond());
if (!ToCondition && S->getCond())
  return nullptr;
Stmt *ToBody = Importer.Import(S->getBody());
if (!ToBody && S->getBody())
  return nullptr;
SourceLocation ToWhileLoc = Importer.Import(S->getWhileLoc());
return new (Importer.getToContext()) WhileStmt(Importer.getToContext(),
                                               ToConditionVariable,
                                               ToCondition, ToBody,
                                               ToWhileLoc);
4827}

4829Stmt *ASTNodeImporter::VisitDoStmt(DoStmt *S) {
Stmt *ToBody = Importer.Import(S->getBody());
if (!ToBody && S->getBody())
  return nullptr;
Expr *ToCondition = Importer.Import(S->getCond());
if (!ToCondition && S->getCond())
  return nullptr;
SourceLocation ToDoLoc = Importer.Import(S->getDoLoc());
SourceLocation ToWhileLoc = Importer.Import(S->getWhileLoc());
SourceLocation ToRParenLoc = Importer.Import(S->getRParenLoc());
return new (Importer.getToContext()) DoStmt(ToBody, ToCondition,
                                            ToDoLoc, ToWhileLoc,
                                            ToRParenLoc);
4842}

4844Stmt *ASTNodeImporter::VisitForStmt(ForStmt *S) {
Stmt *ToInit = Importer.Import(S->getInit());
if (!ToInit && S->getInit())
  return nullptr;
Expr *ToCondition = Importer.Import(S->getCond());
if (!ToCondition && S->getCond())
  return nullptr;
VarDecl *ToConditionVariable = nullptr;
if (VarDecl *FromConditionVariable = S->getConditionVariable()) {
  ToConditionVariable =
    dyn_cast_or_null<VarDecl>(Importer.Import(FromConditionVariable));
  if (!ToConditionVariable)
    return nullptr;
}
Expr *ToInc = Importer.Import(S->getInc());
if (!ToInc && S->getInc())
  return nullptr;
Stmt *ToBody = Importer.Import(S->getBody());
if (!ToBody && S->getBody())
  return nullptr;
SourceLocation ToForLoc = Importer.Import(S->getForLoc());
SourceLocation ToLParenLoc = Importer.Import(S->getLParenLoc());
SourceLocation ToRParenLoc = Importer.Import(S->getRParenLoc());
return new (Importer.getToContext()) ForStmt(Importer.getToContext(),
                                             ToInit, ToCondition,
                                             ToConditionVariable,
                                             ToInc, ToBody,
                                             ToForLoc, ToLParenLoc,
                                             ToRParenLoc);
4873}

4875Stmt *ASTNodeImporter::VisitGotoStmt(GotoStmt *S) {
LabelDecl *ToLabel = nullptr;
if (LabelDecl *FromLabel = S->getLabel()) {
  ToLabel = dyn_cast_or_null<LabelDecl>(Importer.Import(FromLabel));
  if (!ToLabel)
    return nullptr;
}
SourceLocation ToGotoLoc = Importer.Import(S->getGotoLoc());
SourceLocation ToLabelLoc = Importer.Import(S->getLabelLoc());
return new (Importer.getToContext()) GotoStmt(ToLabel,
                                              ToGotoLoc, ToLabelLoc);
4886}

4888Stmt *ASTNodeImporter::VisitIndirectGotoStmt(IndirectGotoStmt *S) {
SourceLocation ToGotoLoc = Importer.Import(S->getGotoLoc());
SourceLocation ToStarLoc = Importer.Import(S->getStarLoc());
Expr *ToTarget = Importer.Import(S->getTarget());
if (!ToTarget && S->getTarget())
  return nullptr;
return new (Importer.getToContext()) IndirectGotoStmt(ToGotoLoc, ToStarLoc,
                                                      ToTarget);
4896}

4898Stmt *ASTNodeImporter::VisitContinueStmt(ContinueStmt *S) {
SourceLocation ToContinueLoc = Importer.Import(S->getContinueLoc());
return new (Importer.getToContext()) ContinueStmt(ToContinueLoc);
4901}

4903Stmt *ASTNodeImporter::VisitBreakStmt(BreakStmt *S) {
SourceLocation ToBreakLoc = Importer.Import(S->getBreakLoc());
return new (Importer.getToContext()) BreakStmt(ToBreakLoc);
4906}

4908Stmt *ASTNodeImporter::VisitReturnStmt(ReturnStmt *S) {
SourceLocation ToRetLoc = Importer.Import(S->getReturnLoc());
Expr *ToRetExpr = Importer.Import(S->getRetValue());
if (!ToRetExpr && S->getRetValue())
  return nullptr;
auto *NRVOCandidate = const_cast<VarDecl *>(S->getNRVOCandidate());
auto *ToNRVOCandidate = cast_or_null<VarDecl>(Importer.Import(NRVOCandidate));
if (!ToNRVOCandidate && NRVOCandidate)
  return nullptr;
return new (Importer.getToContext()) ReturnStmt(ToRetLoc, ToRetExpr,
                                                ToNRVOCandidate);
4919}

4921Stmt *ASTNodeImporter::VisitCXXCatchStmt(CXXCatchStmt *S) {
SourceLocation ToCatchLoc = Importer.Import(S->getCatchLoc());
VarDecl *ToExceptionDecl = nullptr;
if (VarDecl *FromExceptionDecl = S->getExceptionDecl()) {
  ToExceptionDecl =
    dyn_cast_or_null<VarDecl>(Importer.Import(FromExceptionDecl));
  if (!ToExceptionDecl)
    return nullptr;
}
Stmt *ToHandlerBlock = Importer.Import(S->getHandlerBlock());
if (!ToHandlerBlock && S->getHandlerBlock())
  return nullptr;
return new (Importer.getToContext()) CXXCatchStmt(ToCatchLoc,
                                                  ToExceptionDecl,
                                                  ToHandlerBlock);
4936}

4938Stmt *ASTNodeImporter::VisitCXXTryStmt(CXXTryStmt *S) {
SourceLocation ToTryLoc = Importer.Import(S->getTryLoc());
Stmt *ToTryBlock = Importer.Import(S->getTryBlock());
if (!ToTryBlock && S->getTryBlock())
  return nullptr;
SmallVector<Stmt *, 1> ToHandlers(S->getNumHandlers());
for (unsigned HI = 0, HE = S->getNumHandlers(); HI != HE; ++HI) {
  CXXCatchStmt *FromHandler = S->getHandler(HI);
  if (Stmt *ToHandler = Importer.Import(FromHandler))
    ToHandlers[HI] = ToHandler;
  else
    return nullptr;
}
return CXXTryStmt::Create(Importer.getToContext(), ToTryLoc, ToTryBlock,
                          ToHandlers);
4953}

4955Stmt *ASTNodeImporter::VisitCXXForRangeStmt(CXXForRangeStmt *S) {
auto *ToRange =
  dyn_cast_or_null<DeclStmt>(Importer.Import(S->getRangeStmt()));
if (!ToRange && S->getRangeStmt())
  return nullptr;
auto *ToBegin =
  dyn_cast_or_null<DeclStmt>(Importer.Import(S->getBeginStmt()));
if (!ToBegin && S->getBeginStmt())
  return nullptr;
auto *ToEnd =
  dyn_cast_or_null<DeclStmt>(Importer.Import(S->getEndStmt()));
if (!ToEnd && S->getEndStmt())
  return nullptr;
Expr *ToCond = Importer.Import(S->getCond());
if (!ToCond && S->getCond())
  return nullptr;
Expr *ToInc = Importer.Import(S->getInc());
if (!ToInc && S->getInc())
  return nullptr;
auto *ToLoopVar =
  dyn_cast_or_null<DeclStmt>(Importer.Import(S->getLoopVarStmt()));
if (!ToLoopVar && S->getLoopVarStmt())
  return nullptr;
Stmt *ToBody = Importer.Import(S->getBody());
if (!ToBody && S->getBody())
  return nullptr;
SourceLocation ToForLoc = Importer.Import(S->getForLoc());
SourceLocation ToCoawaitLoc = Importer.Import(S->getCoawaitLoc());
SourceLocation ToColonLoc = Importer.Import(S->getColonLoc());
SourceLocation ToRParenLoc = Importer.Import(S->getRParenLoc());
return new (Importer.getToContext()) CXXForRangeStmt(ToRange, ToBegin, ToEnd,
                                                     ToCond, ToInc,
                                                     ToLoopVar, ToBody,
                                                     ToForLoc, ToCoawaitLoc,
                                                     ToColonLoc, ToRParenLoc);
4990}

4992Stmt *ASTNodeImporter::VisitObjCForCollectionStmt(ObjCForCollectionStmt *S) {
Stmt *ToElem = Importer.Import(S->getElement());
if (!ToElem && S->getElement())
  return nullptr;
Expr *ToCollect = Importer.Import(S->getCollection());
if (!ToCollect && S->getCollection())
  return nullptr;
Stmt *ToBody = Importer.Import(S->getBody());
if (!ToBody && S->getBody())
  return nullptr;
SourceLocation ToForLoc = Importer.Import(S->getForLoc());
SourceLocation ToRParenLoc = Importer.Import(S->getRParenLoc());
return new (Importer.getToContext()) ObjCForCollectionStmt(ToElem,
                                                           ToCollect,
                                                           ToBody, ToForLoc,
                                                           ToRParenLoc);
5008}

5010Stmt *ASTNodeImporter::VisitObjCAtCatchStmt(ObjCAtCatchStmt *S) {
SourceLocation ToAtCatchLoc = Importer.Import(S->getAtCatchLoc());
SourceLocation ToRParenLoc = Importer.Import(S->getRParenLoc());
VarDecl *ToExceptionDecl = nullptr;
if (VarDecl *FromExceptionDecl = S->getCatchParamDecl()) {
  ToExceptionDecl =
    dyn_cast_or_null<VarDecl>(Importer.Import(FromExceptionDecl));
  if (!ToExceptionDecl)
    return nullptr;
}
Stmt *ToBody = Importer.Import(S->getCatchBody());
if (!ToBody && S->getCatchBody())
  return nullptr;
return new (Importer.getToContext()) ObjCAtCatchStmt(ToAtCatchLoc,
                                                     ToRParenLoc,
                                                     ToExceptionDecl,
                                                     ToBody);
5027}

5029Stmt *ASTNodeImporter::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S) {
SourceLocation ToAtFinallyLoc = Importer.Import(S->getAtFinallyLoc());
Stmt *ToAtFinallyStmt = Importer.Import(S->getFinallyBody());
if (!ToAtFinallyStmt && S->getFinallyBody())
  return nullptr;
return new (Importer.getToContext()) ObjCAtFinallyStmt(ToAtFinallyLoc,
                                                       ToAtFinallyStmt);
5036}

5038Stmt *ASTNodeImporter::VisitObjCAtTryStmt(ObjCAtTryStmt *S) {
SourceLocation ToAtTryLoc = Importer.Import(S->getAtTryLoc());
Stmt *ToAtTryStmt = Importer.Import(S->getTryBody());
if (!ToAtTryStmt && S->getTryBody())
  return nullptr;
SmallVector<Stmt *, 1> ToCatchStmts(S->getNumCatchStmts());
for (unsigned CI = 0, CE = S->getNumCatchStmts(); CI != CE; ++CI) {
  ObjCAtCatchStmt *FromCatchStmt = S->getCatchStmt(CI);
  if (Stmt *ToCatchStmt = Importer.Import(FromCatchStmt))
    ToCatchStmts[CI] = ToCatchStmt;
  else
    return nullptr;
}
Stmt *ToAtFinallyStmt = Importer.Import(S->getFinallyStmt());
if (!ToAtFinallyStmt && S->getFinallyStmt())
  return nullptr;
return ObjCAtTryStmt::Create(Importer.getToContext(),
                             ToAtTryLoc, ToAtTryStmt,
                             ToCatchStmts.begin(), ToCatchStmts.size(),
                             ToAtFinallyStmt);
5058}

5060Stmt *ASTNodeImporter::VisitObjCAtSynchronizedStmt
(ObjCAtSynchronizedStmt *S) {
SourceLocation ToAtSynchronizedLoc =
  Importer.Import(S->getAtSynchronizedLoc());
Expr *ToSynchExpr = Importer.Import(S->getSynchExpr());
if (!ToSynchExpr && S->getSynchExpr())
  return nullptr;
Stmt *ToSynchBody = Importer.Import(S->getSynchBody());
if (!ToSynchBody && S->getSynchBody())
  return nullptr;
return new (Importer.getToContext()) ObjCAtSynchronizedStmt(
  ToAtSynchronizedLoc, ToSynchExpr, ToSynchBody);
5072}

5074Stmt *ASTNodeImporter::VisitObjCAtThrowStmt(ObjCAtThrowStmt *S) {
SourceLocation ToAtThrowLoc = Importer.Import(S->getThrowLoc());
Expr *ToThrow = Importer.Import(S->getThrowExpr());
if (!ToThrow && S->getThrowExpr())
  return nullptr;
return new (Importer.getToContext()) ObjCAtThrowStmt(ToAtThrowLoc, ToThrow);
5080}

5082Stmt *ASTNodeImporter::VisitObjCAutoreleasePoolStmt
(ObjCAutoreleasePoolStmt *S) {
SourceLocation ToAtLoc = Importer.Import(S->getAtLoc());
Stmt *ToSubStmt = Importer.Import(S->getSubStmt());
if (!ToSubStmt && S->getSubStmt())
  return nullptr;
return new (Importer.getToContext()) ObjCAutoreleasePoolStmt(ToAtLoc,
                                                             ToSubStmt);
5090}

5092//----------------------------------------------------------------------------
5093// Import Expressions
5094//----------------------------------------------------------------------------
5095Expr *ASTNodeImporter::VisitExpr(Expr *E) {
Importer.FromDiag(E->getLocStart(), diag::err_unsupported_ast_node)
  << E->getStmtClassName();
return nullptr;
5099}

5101Expr *ASTNodeImporter::VisitVAArgExpr(VAArgExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

Expr *SubExpr = Importer.Import(E->getSubExpr());
if (!SubExpr && E->getSubExpr())
  return nullptr;

TypeSourceInfo *TInfo = Importer.Import(E->getWrittenTypeInfo());
if (!TInfo)
  return nullptr;

return new (Importer.getToContext()) VAArgExpr(
      Importer.Import(E->getBuiltinLoc()), SubExpr, TInfo,
      Importer.Import(E->getRParenLoc()), T, E->isMicrosoftABI());
5117}

5119Expr *ASTNodeImporter::VisitGNUNullExpr(GNUNullExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

return new (Importer.getToContext()) GNUNullExpr(
      T, Importer.Import(E->getLocStart()));
5126}

5128Expr *ASTNodeImporter::VisitPredefinedExpr(PredefinedExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

auto *SL = cast_or_null<StringLiteral>(Importer.Import(E->getFunctionName()));
if (!SL && E->getFunctionName())
  return nullptr;

return new (Importer.getToContext()) PredefinedExpr(
      Importer.Import(E->getLocStart()), T, E->getIdentType(), SL);
5139}

5141Expr *ASTNodeImporter::VisitDeclRefExpr(DeclRefExpr *E) {
auto *ToD = cast_or_null<ValueDecl>(Importer.Import(E->getDecl()));
if (!ToD)
  return nullptr;

NamedDecl *FoundD = nullptr;
if (E->getDecl() != E->getFoundDecl()) {
  FoundD = cast_or_null<NamedDecl>(Importer.Import(E->getFoundDecl()));
  if (!FoundD)
    return nullptr;
}

QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

TemplateArgumentListInfo ToTAInfo;
TemplateArgumentListInfo *ResInfo = nullptr;
if (E->hasExplicitTemplateArgs()) {
  if (ImportTemplateArgumentListInfo(E->template_arguments(), ToTAInfo))
    return nullptr;
  ResInfo = &ToTAInfo;
}

DeclRefExpr *DRE = DeclRefExpr::Create(Importer.getToContext(), 
                                       Importer.Import(E->getQualifierLoc()),
                                 Importer.Import(E->getTemplateKeywordLoc()),
                                       ToD,
                                      E->refersToEnclosingVariableOrCapture(),
                                       Importer.Import(E->getLocation()),
                                       T, E->getValueKind(),
                                       FoundD, ResInfo);
if (E->hadMultipleCandidates())
  DRE->setHadMultipleCandidates(true);
return DRE;
5176}

5178Expr *ASTNodeImporter::VisitImplicitValueInitExpr(ImplicitValueInitExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

return new (Importer.getToContext()) ImplicitValueInitExpr(T);
5184}

5186ASTNodeImporter::Designator
5187ASTNodeImporter::ImportDesignator(const Designator &D) {
if (D.isFieldDesignator()) {
  IdentifierInfo *ToFieldName = Importer.Import(D.getFieldName());
  // Caller checks for import error
  return Designator(ToFieldName, Importer.Import(D.getDotLoc()),
                    Importer.Import(D.getFieldLoc()));
}
if (D.isArrayDesignator())
  return Designator(D.getFirstExprIndex(),
                    Importer.Import(D.getLBracketLoc()),
                    Importer.Import(D.getRBracketLoc()));

assert(D.isArrayRangeDesignator())(static_cast <bool> (D.isArrayRangeDesignator()) ? void
 (0) : __assert_fail ("D.isArrayRangeDesignator()", "/build/llvm-toolchain-snapshot-7~svn329677/tools/clang/lib/AST/ASTImporter.cpp"
, 5199, __extension__ __PRETTY_FUNCTION__));
return Designator(D.getFirstExprIndex(),
                  Importer.Import(D.getLBracketLoc()),
                  Importer.Import(D.getEllipsisLoc()),
                  Importer.Import(D.getRBracketLoc()));
5204}


5207Expr *ASTNodeImporter::VisitDesignatedInitExpr(DesignatedInitExpr *DIE) {
auto *Init = cast_or_null<Expr>(Importer.Import(DIE->getInit()));
if (!Init)
  return nullptr;

SmallVector<Expr *, 4> IndexExprs(DIE->getNumSubExprs() - 1);
// List elements from the second, the first is Init itself
for (unsigned I = 1, E = DIE->getNumSubExprs(); I < E; I++) {
  if (auto *Arg = cast_or_null<Expr>(Importer.Import(DIE->getSubExpr(I))))
    IndexExprs[I - 1] = Arg;
  else
    return nullptr;
}

SmallVector<Designator, 4> Designators(DIE->size());
llvm::transform(DIE->designators(), Designators.begin(),
                [this](const Designator &D) -> Designator {
                  return ImportDesignator(D);
                });

for (const auto &D : DIE->designators())
  if (D.isFieldDesignator() && !D.getFieldName())
    return nullptr;

return DesignatedInitExpr::Create(
      Importer.getToContext(), Designators,
      IndexExprs, Importer.Import(DIE->getEqualOrColonLoc()),
      DIE->usesGNUSyntax(), Init);
5235}

5237Expr *ASTNodeImporter::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

return new (Importer.getToContext())
    CXXNullPtrLiteralExpr(T, Importer.Import(E->getLocation()));
5244}

5246Expr *ASTNodeImporter::VisitIntegerLiteral(IntegerLiteral *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

return IntegerLiteral::Create(Importer.getToContext(), 
                              E->getValue(), T,
                              Importer.Import(E->getLocation()));
5254}

5256Expr *ASTNodeImporter::VisitFloatingLiteral(FloatingLiteral *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

return FloatingLiteral::Create(Importer.getToContext(),
                              E->getValue(), E->isExact(), T,
                              Importer.Import(E->getLocation()));
5264}

5266Expr *ASTNodeImporter::VisitCharacterLiteral(CharacterLiteral *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

return new (Importer.getToContext()) CharacterLiteral(E->getValue(),
                                                      E->getKind(), T,
                                        Importer.Import(E->getLocation()));
5274}

5276Expr *ASTNodeImporter::VisitStringLiteral(StringLiteral *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

SmallVector<SourceLocation, 4> Locations(E->getNumConcatenated());
ImportArray(E->tokloc_begin(), E->tokloc_end(), Locations.begin());

return StringLiteral::Create(Importer.getToContext(), E->getBytes(),
                             E->getKind(), E->isPascal(), T,
                             Locations.data(), Locations.size());
5287}

5289Expr *ASTNodeImporter::VisitCompoundLiteralExpr(CompoundLiteralExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

TypeSourceInfo *TInfo = Importer.Import(E->getTypeSourceInfo());
if (!TInfo)
  return nullptr;

Expr *Init = Importer.Import(E->getInitializer());
if (!Init)
  return nullptr;

return new (Importer.getToContext()) CompoundLiteralExpr(
      Importer.Import(E->getLParenLoc()), TInfo, T, E->getValueKind(),
      Init, E->isFileScope());
5305}

5307Expr *ASTNodeImporter::VisitAtomicExpr(AtomicExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

SmallVector<Expr *, 6> Exprs(E->getNumSubExprs());
if (ImportArrayChecked(
      E->getSubExprs(), E->getSubExprs() + E->getNumSubExprs(),
      Exprs.begin()))
  return nullptr;

return new (Importer.getToContext()) AtomicExpr(
      Importer.Import(E->getBuiltinLoc()), Exprs, T, E->getOp(),
      Importer.Import(E->getRParenLoc()));
5321}

5323Expr *ASTNodeImporter::VisitAddrLabelExpr(AddrLabelExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

auto *ToLabel = cast_or_null<LabelDecl>(Importer.Import(E->getLabel()));
if (!ToLabel)
  return nullptr;

return new (Importer.getToContext()) AddrLabelExpr(
      Importer.Import(E->getAmpAmpLoc()), Importer.Import(E->getLabelLoc()),
      ToLabel, T);
5335}

5337Expr *ASTNodeImporter::VisitParenExpr(ParenExpr *E) {
Expr *SubExpr = Importer.Import(E->getSubExpr());
if (!SubExpr)
  return nullptr;

return new (Importer.getToContext()) 
                                ParenExpr(Importer.Import(E->getLParen()),
                                          Importer.Import(E->getRParen()),
                                          SubExpr);
5346}

5348Expr *ASTNodeImporter::VisitParenListExpr(ParenListExpr *E) {
SmallVector<Expr *, 4> Exprs(E->getNumExprs());
if (ImportContainerChecked(E->exprs(), Exprs))
  return nullptr;

return new (Importer.getToContext()) ParenListExpr(
      Importer.getToContext(), Importer.Import(E->getLParenLoc()),
      Exprs, Importer.Import(E->getLParenLoc()));
5356}

5358Expr *ASTNodeImporter::VisitStmtExpr(StmtExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

auto *ToSubStmt = cast_or_null<CompoundStmt>(
    Importer.Import(E->getSubStmt()));
if (!ToSubStmt && E->getSubStmt())
  return nullptr;

return new (Importer.getToContext()) StmtExpr(ToSubStmt, T,
      Importer.Import(E->getLParenLoc()), Importer.Import(E->getRParenLoc()));
5370}

5372Expr *ASTNodeImporter::VisitUnaryOperator(UnaryOperator *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

Expr *SubExpr = Importer.Import(E->getSubExpr());
if (!SubExpr)
  return nullptr;

return new (Importer.getToContext()) UnaryOperator(
    SubExpr, E->getOpcode(), T, E->getValueKind(), E->getObjectKind(),
    Importer.Import(E->getOperatorLoc()), E->canOverflow());
5384}

5386Expr *
5387ASTNodeImporter::VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr *E) {
QualType ResultType = Importer.Import(E->getType());

if (E->isArgumentType()) {
  TypeSourceInfo *TInfo = Importer.Import(E->getArgumentTypeInfo());
  if (!TInfo)
    return nullptr;

  return new (Importer.getToContext()) UnaryExprOrTypeTraitExpr(E->getKind(),
                                         TInfo, ResultType,
                                         Importer.Import(E->getOperatorLoc()),
                                         Importer.Import(E->getRParenLoc()));
}

Expr *SubExpr = Importer.Import(E->getArgumentExpr());
if (!SubExpr)
  return nullptr;

return new (Importer.getToContext()) UnaryExprOrTypeTraitExpr(E->getKind(),
                                        SubExpr, ResultType,
                                        Importer.Import(E->getOperatorLoc()),
                                        Importer.Import(E->getRParenLoc()));
5409}

5411Expr *ASTNodeImporter::VisitBinaryOperator(BinaryOperator *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

Expr *LHS = Importer.Import(E->getLHS());
if (!LHS)
  return nullptr;

Expr *RHS = Importer.Import(E->getRHS());
if (!RHS)
  return nullptr;

return new (Importer.getToContext()) BinaryOperator(LHS, RHS, E->getOpcode(),
                                                    T, E->getValueKind(),
                                                    E->getObjectKind(),
                                         Importer.Import(E->getOperatorLoc()),
                                                    E->getFPFeatures());
5429}

5431Expr *ASTNodeImporter::VisitConditionalOperator(ConditionalOperator *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

Expr *ToLHS = Importer.Import(E->getLHS());
if (!ToLHS)
  return nullptr;

Expr *ToRHS = Importer.Import(E->getRHS());
if (!ToRHS)
  return nullptr;

Expr *ToCond = Importer.Import(E->getCond());
if (!ToCond)
  return nullptr;

return new (Importer.getToContext()) ConditionalOperator(
      ToCond, Importer.Import(E->getQuestionLoc()),
      ToLHS, Importer.Import(E->getColonLoc()),
      ToRHS, T, E->getValueKind(), E->getObjectKind());
5452}

5454Expr *ASTNodeImporter::VisitBinaryConditionalOperator(
  BinaryConditionalOperator *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

Expr *Common = Importer.Import(E->getCommon());
if (!Common)
  return nullptr;

Expr *Cond = Importer.Import(E->getCond());
if (!Cond)
  return nullptr;

auto *OpaqueValue = cast_or_null<OpaqueValueExpr>(
    Importer.Import(E->getOpaqueValue()));
if (!OpaqueValue)
  return nullptr;

Expr *TrueExpr = Importer.Import(E->getTrueExpr());
if (!TrueExpr)
  return nullptr;

Expr *FalseExpr = Importer.Import(E->getFalseExpr());
if (!FalseExpr)
  return nullptr;

return new (Importer.getToContext()) BinaryConditionalOperator(
      Common, OpaqueValue, Cond, TrueExpr, FalseExpr,
      Importer.Import(E->getQuestionLoc()), Importer.Import(E->getColonLoc()),
      T, E->getValueKind(), E->getObjectKind());
5485}

5487Expr *ASTNodeImporter::VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

TypeSourceInfo *ToQueried = Importer.Import(E->getQueriedTypeSourceInfo());
if (!ToQueried)
  return nullptr;

Expr *Dim = Importer.Import(E->getDimensionExpression());
if (!Dim && E->getDimensionExpression())
  return nullptr;

return new (Importer.getToContext()) ArrayTypeTraitExpr(
      Importer.Import(E->getLocStart()), E->getTrait(), ToQueried,
      E->getValue(), Dim, Importer.Import(E->getLocEnd()), T);
5503}

5505Expr *ASTNodeImporter::VisitExpressionTraitExpr(ExpressionTraitExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

Expr *ToQueried = Importer.Import(E->getQueriedExpression());
if (!ToQueried)
  return nullptr;

return new (Importer.getToContext()) ExpressionTraitExpr(
      Importer.Import(E->getLocStart()), E->getTrait(), ToQueried,
      E->getValue(), Importer.Import(E->getLocEnd()), T);
5517}

5519Expr *ASTNodeImporter::VisitOpaqueValueExpr(OpaqueValueExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

Expr *SourceExpr = Importer.Import(E->getSourceExpr());
if (!SourceExpr && E->getSourceExpr())
  return nullptr;

return new (Importer.getToContext()) OpaqueValueExpr(
      Importer.Import(E->getLocation()), T, E->getValueKind(),
      E->getObjectKind(), SourceExpr);
5531}

5533Expr *ASTNodeImporter::VisitArraySubscriptExpr(ArraySubscriptExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

Expr *ToLHS = Importer.Import(E->getLHS());
if (!ToLHS)
  return nullptr;

Expr *ToRHS = Importer.Import(E->getRHS());
if (!ToRHS)
  return nullptr;

return new (Importer.getToContext()) ArraySubscriptExpr(
      ToLHS, ToRHS, T, E->getValueKind(), E->getObjectKind(),
      Importer.Import(E->getRBracketLoc()));
5549}

5551Expr *ASTNodeImporter::VisitCompoundAssignOperator(CompoundAssignOperator *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

QualType CompLHSType = Importer.Import(E->getComputationLHSType());
if (CompLHSType.isNull())
  return nullptr;

QualType CompResultType = Importer.Import(E->getComputationResultType());
if (CompResultType.isNull())
  return nullptr;

Expr *LHS = Importer.Import(E->getLHS());
if (!LHS)
  return nullptr;

Expr *RHS = Importer.Import(E->getRHS());
if (!RHS)
  return nullptr;

return new (Importer.getToContext()) 
                      CompoundAssignOperator(LHS, RHS, E->getOpcode(),
                                             T, E->getValueKind(),
                                             E->getObjectKind(),
                                             CompLHSType, CompResultType,
                                         Importer.Import(E->getOperatorLoc()),
                                             E->getFPFeatures());
5579}

5581bool ASTNodeImporter::ImportCastPath(CastExpr *CE, CXXCastPath &Path) {
for (auto I = CE->path_begin(), E = CE->path_end(); I != E; ++I) {
  if (CXXBaseSpecifier *Spec = Importer.Import(*I))
    Path.push_back(Spec);
  else
    return true;
}
return false;
5589}

5591Expr *ASTNodeImporter::VisitImplicitCastExpr(ImplicitCastExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

Expr *SubExpr = Importer.Import(E->getSubExpr());
if (!SubExpr)
  return nullptr;

CXXCastPath BasePath;
if (ImportCastPath(E, BasePath))
  return nullptr;

return ImplicitCastExpr::Create(Importer.getToContext(), T, E->getCastKind(),
                                SubExpr, &BasePath, E->getValueKind());
5606}

5608Expr *ASTNodeImporter::VisitExplicitCastExpr(ExplicitCastExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

Expr *SubExpr = Importer.Import(E->getSubExpr());
if (!SubExpr)
  return nullptr;

TypeSourceInfo *TInfo = Importer.Import(E->getTypeInfoAsWritten());
if (!TInfo && E->getTypeInfoAsWritten())
  return nullptr;

CXXCastPath BasePath;
if (ImportCastPath(E, BasePath))
  return nullptr;

switch (E->getStmtClass()) {
case Stmt::CStyleCastExprClass: {
  auto *CCE = cast<CStyleCastExpr>(E);
  return CStyleCastExpr::Create(Importer.getToContext(), T,
                                E->getValueKind(), E->getCastKind(),
                                SubExpr, &BasePath, TInfo,
                                Importer.Import(CCE->getLParenLoc()),
                                Importer.Import(CCE->getRParenLoc()));
}

case Stmt::CXXFunctionalCastExprClass: {
  auto *FCE = cast<CXXFunctionalCastExpr>(E);
  return CXXFunctionalCastExpr::Create(Importer.getToContext(), T,
                                       E->getValueKind(), TInfo,
                                       E->getCastKind(), SubExpr, &BasePath,
                                       Importer.Import(FCE->getLParenLoc()),
                                       Importer.Import(FCE->getRParenLoc()));
}

case Stmt::ObjCBridgedCastExprClass: {
    auto *OCE = cast<ObjCBridgedCastExpr>(E);
    return new (Importer.getToContext()) ObjCBridgedCastExpr(
          Importer.Import(OCE->getLParenLoc()), OCE->getBridgeKind(),
          E->getCastKind(), Importer.Import(OCE->getBridgeKeywordLoc()),
          TInfo, SubExpr);
}
default:
  break; // just fall through
}

auto *Named = cast<CXXNamedCastExpr>(E);
SourceLocation ExprLoc = Importer.Import(Named->getOperatorLoc()),
    RParenLoc = Importer.Import(Named->getRParenLoc());
SourceRange Brackets = Importer.Import(Named->getAngleBrackets());

switch (E->getStmtClass()) {
case Stmt::CXXStaticCastExprClass:
  return CXXStaticCastExpr::Create(Importer.getToContext(), T,
                                   E->getValueKind(), E->getCastKind(),
                                   SubExpr, &BasePath, TInfo,
                                   ExprLoc, RParenLoc, Brackets);

case Stmt::CXXDynamicCastExprClass:
  return CXXDynamicCastExpr::Create(Importer.getToContext(), T,
                                    E->getValueKind(), E->getCastKind(),
                                    SubExpr, &BasePath, TInfo,
                                    ExprLoc, RParenLoc, Brackets);

case Stmt::CXXReinterpretCastExprClass:
  return CXXReinterpretCastExpr::Create(Importer.getToContext(), T,
                                        E->getValueKind(), E->getCastKind(),
                                        SubExpr, &BasePath, TInfo,
                                        ExprLoc, RParenLoc, Brackets);

case Stmt::CXXConstCastExprClass:
  return CXXConstCastExpr::Create(Importer.getToContext(), T,
                                  E->getValueKind(), SubExpr, TInfo, ExprLoc,
                                  RParenLoc, Brackets);
default:
  llvm_unreachable("Cast expression of unsupported type!")::llvm::llvm_unreachable_internal("Cast expression of unsupported type!"
, "/build/llvm-toolchain-snapshot-7~svn329677/tools/clang/lib/AST/ASTImporter.cpp"
, 5684);
  return nullptr;
}
5687}

5689Expr *ASTNodeImporter::VisitOffsetOfExpr(OffsetOfExpr *OE) {
QualType T = Importer.Import(OE->getType());
if (T.isNull())
  return nullptr;

SmallVector<OffsetOfNode, 4> Nodes;
for (int I = 0, E = OE->getNumComponents(); I < E; ++I) {
  const OffsetOfNode &Node = OE->getComponent(I);

  switch (Node.getKind()) {
  case OffsetOfNode::Array:
    Nodes.push_back(OffsetOfNode(Importer.Import(Node.getLocStart()),
                                 Node.getArrayExprIndex(),
                                 Importer.Import(Node.getLocEnd())));
    break;

  case OffsetOfNode::Base: {
    CXXBaseSpecifier *BS = Importer.Import(Node.getBase());
    if (!BS && Node.getBase())
      return nullptr;
    Nodes.push_back(OffsetOfNode(BS));
    break;
  }
  case OffsetOfNode::Field: {
    auto *FD = cast_or_null<FieldDecl>(Importer.Import(Node.getField()));
    if (!FD)
      return nullptr;
    Nodes.push_back(OffsetOfNode(Importer.Import(Node.getLocStart()), FD,
                                 Importer.Import(Node.getLocEnd())));
    break;
  }
  case OffsetOfNode::Identifier: {
    IdentifierInfo *ToII = Importer.Import(Node.getFieldName());
    if (!ToII)
      return nullptr;
    Nodes.push_back(OffsetOfNode(Importer.Import(Node.getLocStart()), ToII,
                                 Importer.Import(Node.getLocEnd())));
    break;
  }
  }
}

SmallVector<Expr *, 4> Exprs(OE->getNumExpressions());
for (int I = 0, E = OE->getNumExpressions(); I < E; ++I) {
  Expr *ToIndexExpr = Importer.Import(OE->getIndexExpr(I));
  if (!ToIndexExpr)
    return nullptr;
  Exprs[I] = ToIndexExpr;
}

TypeSourceInfo *TInfo = Importer.Import(OE->getTypeSourceInfo());
if (!TInfo && OE->getTypeSourceInfo())
  return nullptr;

return OffsetOfExpr::Create(Importer.getToContext(), T,
                            Importer.Import(OE->getOperatorLoc()),
                            TInfo, Nodes, Exprs,
                            Importer.Import(OE->getRParenLoc()));
5747}

5749Expr *ASTNodeImporter::VisitCXXNoexceptExpr(CXXNoexceptExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

Expr *Operand = Importer.Import(E->getOperand());
if (!Operand)
  return nullptr;

CanThrowResult CanThrow;
if (E->isValueDependent())
  CanThrow = CT_Dependent;
else
  CanThrow = E->getValue() ? CT_Can : CT_Cannot;

return new (Importer.getToContext()) CXXNoexceptExpr(
      T, Operand, CanThrow,
      Importer.Import(E->getLocStart()), Importer.Import(E->getLocEnd()));
5767}

5769Expr *ASTNodeImporter::VisitCXXThrowExpr(CXXThrowExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

Expr *SubExpr = Importer.Import(E->getSubExpr());
if (!SubExpr && E->getSubExpr())
  return nullptr;

return new (Importer.getToContext()) CXXThrowExpr(
      SubExpr, T, Importer.Import(E->getThrowLoc()),
      E->isThrownVariableInScope());
5781}

5783Expr *ASTNodeImporter::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E) {
auto *Param = cast_or_null<ParmVarDecl>(Importer.Import(E->getParam()));
if (!Param)
  return nullptr;

return CXXDefaultArgExpr::Create(
      Importer.getToContext(), Importer.Import(E->getUsedLocation()), Param);
5790}

5792Expr *ASTNodeImporter::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

TypeSourceInfo *TypeInfo = Importer.Import(E->getTypeSourceInfo());
if (!TypeInfo)
  return nullptr;

return new (Importer.getToContext()) CXXScalarValueInitExpr(
      T, TypeInfo, Importer.Import(E->getRParenLoc()));
5803}

5805Expr *ASTNodeImporter::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) {
Expr *SubExpr = Importer.Import(E->getSubExpr());
if (!SubExpr)
  return nullptr;

auto *Dtor = cast_or_null<CXXDestructorDecl>(
      Importer.Import(const_cast<CXXDestructorDecl *>(
                        E->getTemporary()->getDestructor())));
if (!Dtor)
  return nullptr;

ASTContext &ToCtx = Importer.getToContext();
CXXTemporary *Temp = CXXTemporary::Create(ToCtx, Dtor);
return CXXBindTemporaryExpr::Create(ToCtx, Temp, SubExpr);
5819}

5821Expr *ASTNodeImporter::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *CE) {
QualType T = Importer.Import(CE->getType());
if (T.isNull())
  return nullptr;

TypeSourceInfo *TInfo = Importer.Import(CE->getTypeSourceInfo());
if (!TInfo)
  return nullptr;

SmallVector<Expr *, 8> Args(CE->getNumArgs());
if (ImportContainerChecked(CE->arguments(), Args))
  return nullptr;

auto *Ctor = cast_or_null<CXXConstructorDecl>(
      Importer.Import(CE->getConstructor()));
if (!Ctor)
  return nullptr;

return new (Importer.getToContext()) CXXTemporaryObjectExpr(
    Importer.getToContext(), Ctor, T, TInfo, Args,
    Importer.Import(CE->getParenOrBraceRange()), CE->hadMultipleCandidates(),
    CE->isListInitialization(), CE->isStdInitListInitialization(),
    CE->requiresZeroInitialization());
5844}

5846Expr *
5847ASTNodeImporter::VisitMaterializeTemporaryExpr(MaterializeTemporaryExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

Expr *TempE = Importer.Import(E->GetTemporaryExpr());
if (!TempE)
  return nullptr;

auto *ExtendedBy = cast_or_null<ValueDecl>(
      Importer.Import(const_cast<ValueDecl *>(E->getExtendingDecl())));
if (!ExtendedBy && E->getExtendingDecl())
  return nullptr;

auto *ToMTE =  new (Importer.getToContext()) MaterializeTemporaryExpr(
      T, TempE, E->isBoundToLvalueReference());

// FIXME: Should ManglingNumber get numbers associated with 'to' context?
ToMTE->setExtendingDecl(ExtendedBy, E->getManglingNumber());
return ToMTE;
5867}

5869Expr *ASTNodeImporter::VisitPackExpansionExpr(PackExpansionExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

Expr *Pattern = Importer.Import(E->getPattern());
if (!Pattern)
  return nullptr;

return new (Importer.getToContext()) PackExpansionExpr(
      T, Pattern, Importer.Import(E->getEllipsisLoc()),
      E->getNumExpansions());
5881}

5883Expr *ASTNodeImporter::VisitSizeOfPackExpr(SizeOfPackExpr *E) {
auto *Pack = cast_or_null<NamedDecl>(Importer.Import(E->getPack()));
if (!Pack)
  return nullptr;

Optional<unsigned> Length;

if (!E->isValueDependent())
  Length = E->getPackLength();

SmallVector<TemplateArgument, 8> PartialArguments;
if (E->isPartiallySubstituted()) {
  if (ImportTemplateArguments(E->getPartialArguments().data(),
                              E->getPartialArguments().size(),
                              PartialArguments))
    return nullptr;
}

return SizeOfPackExpr::Create(
    Importer.getToContext(), Importer.Import(E->getOperatorLoc()), Pack,
    Importer.Import(E->getPackLoc()), Importer.Import(E->getRParenLoc()),
    Length, PartialArguments);
5905}

5907Expr *ASTNodeImporter::VisitCXXNewExpr(CXXNewExpr *CE) {
QualType T = Importer.Import(CE->getType());
if (T.isNull())
  return nullptr;

SmallVector<Expr *, 4> PlacementArgs(CE->getNumPlacementArgs());
if (ImportContainerChecked(CE->placement_arguments(), PlacementArgs))
  return nullptr;

auto *OperatorNewDecl = cast_or_null<FunctionDecl>(
      Importer.Import(CE->getOperatorNew()));
if (!OperatorNewDecl && CE->getOperatorNew())
  return nullptr;

auto *OperatorDeleteDecl = cast_or_null<FunctionDecl>(
      Importer.Import(CE->getOperatorDelete()));
if (!OperatorDeleteDecl && CE->getOperatorDelete())
  return nullptr;

Expr *ToInit = Importer.Import(CE->getInitializer());
if (!ToInit && CE->getInitializer())
  return nullptr;

TypeSourceInfo *TInfo = Importer.Import(CE->getAllocatedTypeSourceInfo());
if (!TInfo)
  return nullptr;

Expr *ToArrSize = Importer.Import(CE->getArraySize());
if (!ToArrSize && CE->getArraySize())
  return nullptr;

return new (Importer.getToContext()) CXXNewExpr(
      Importer.getToContext(),
      CE->isGlobalNew(),
      OperatorNewDecl, OperatorDeleteDecl,
      CE->passAlignment(),
      CE->doesUsualArrayDeleteWantSize(),
      PlacementArgs,
      Importer.Import(CE->getTypeIdParens()),
      ToArrSize, CE->getInitializationStyle(), ToInit, T, TInfo,
      Importer.Import(CE->getSourceRange()),
      Importer.Import(CE->getDirectInitRange()));
5949}

5951Expr *ASTNodeImporter::VisitCXXDeleteExpr(CXXDeleteExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

auto *OperatorDeleteDecl = cast_or_null<FunctionDecl>(
      Importer.Import(E->getOperatorDelete()));
if (!OperatorDeleteDecl && E->getOperatorDelete())
  return nullptr;

Expr *ToArg = Importer.Import(E->getArgument());
if (!ToArg && E->getArgument())
  return nullptr;

return new (Importer.getToContext()) CXXDeleteExpr(
      T, E->isGlobalDelete(),
      E->isArrayForm(),
      E->isArrayFormAsWritten(),
      E->doesUsualArrayDeleteWantSize(),
      OperatorDeleteDecl,
      ToArg,
      Importer.Import(E->getLocStart()));
5973}

5975Expr *ASTNodeImporter::VisitCXXConstructExpr(CXXConstructExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

auto *ToCCD =
  dyn_cast_or_null<CXXConstructorDecl>(Importer.Import(E->getConstructor()));
if (!ToCCD)
  return nullptr;

SmallVector<Expr *, 6> ToArgs(E->getNumArgs());
if (ImportContainerChecked(E->arguments(), ToArgs))
  return nullptr;

return CXXConstructExpr::Create(Importer.getToContext(), T,
                                Importer.Import(E->getLocation()),
                                ToCCD, E->isElidable(),
                                ToArgs, E->hadMultipleCandidates(),
                                E->isListInitialization(),
                                E->isStdInitListInitialization(),
                                E->requiresZeroInitialization(),
                                E->getConstructionKind(),
                                Importer.Import(E->getParenOrBraceRange()));
5998}

6000Expr *ASTNodeImporter::VisitExprWithCleanups(ExprWithCleanups *EWC) {
Expr *SubExpr = Importer.Import(EWC->getSubExpr());
if (!SubExpr && EWC->getSubExpr())
  return nullptr;

SmallVector<ExprWithCleanups::CleanupObject, 8> Objs(EWC->getNumObjects());
for (unsigned I = 0, E = EWC->getNumObjects(); I < E; I++)
  if (ExprWithCleanups::CleanupObject Obj =
      cast_or_null<BlockDecl>(Importer.Import(EWC->getObject(I))))
    Objs[I] = Obj;
  else
    return nullptr;

return ExprWithCleanups::Create(Importer.getToContext(),
                                SubExpr, EWC->cleanupsHaveSideEffects(),
                                Objs);
6016}

6018Expr *ASTNodeImporter::VisitCXXMemberCallExpr(CXXMemberCallExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

Expr *ToFn = Importer.Import(E->getCallee());
if (!ToFn)
  return nullptr;

SmallVector<Expr *, 4> ToArgs(E->getNumArgs());
if (ImportContainerChecked(E->arguments(), ToArgs))
  return nullptr;

return new (Importer.getToContext()) CXXMemberCallExpr(
      Importer.getToContext(), ToFn, ToArgs, T, E->getValueKind(),
      Importer.Import(E->getRParenLoc()));
6034}

6036Expr *ASTNodeImporter::VisitCXXThisExpr(CXXThisExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

return new (Importer.getToContext())
CXXThisExpr(Importer.Import(E->getLocation()), T, E->isImplicit());
6043}

6045Expr *ASTNodeImporter::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

return new (Importer.getToContext())
CXXBoolLiteralExpr(E->getValue(), T, Importer.Import(E->getLocation()));
6052}


6055Expr *ASTNodeImporter::VisitMemberExpr(MemberExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

Expr *ToBase = Importer.Import(E->getBase());
if (!ToBase && E->getBase())
  return nullptr;

auto *ToMember = dyn_cast<ValueDecl>(Importer.Import(E->getMemberDecl()));
if (!ToMember && E->getMemberDecl())
  return nullptr;

DeclAccessPair ToFoundDecl = DeclAccessPair::make(
  dyn_cast<NamedDecl>(Importer.Import(E->getFoundDecl().getDecl())),
  E->getFoundDecl().getAccess());

DeclarationNameInfo ToMemberNameInfo(
  Importer.Import(E->getMemberNameInfo().getName()),
  Importer.Import(E->getMemberNameInfo().getLoc()));

if (E->hasExplicitTemplateArgs()) {
  return nullptr; // FIXME: handle template arguments
}

return MemberExpr::Create(Importer.getToContext(), ToBase,
                          E->isArrow(),
                          Importer.Import(E->getOperatorLoc()),
                          Importer.Import(E->getQualifierLoc()),
                          Importer.Import(E->getTemplateKeywordLoc()),
                          ToMember, ToFoundDecl, ToMemberNameInfo,
                          nullptr, T, E->getValueKind(),
                          E->getObjectKind());
6088}

6090Expr *ASTNodeImporter::VisitCXXPseudoDestructorExpr(
  CXXPseudoDestructorExpr *E) {
Expr *BaseE = Importer.Import(E->getBase());
if (!BaseE)
  return nullptr;

TypeSourceInfo *ScopeInfo = Importer.Import(E->getScopeTypeInfo());
if (!ScopeInfo && E->getScopeTypeInfo())
  return nullptr;

PseudoDestructorTypeStorage Storage;
if (IdentifierInfo *FromII = E->getDestroyedTypeIdentifier()) {
  IdentifierInfo *ToII = Importer.Import(FromII);
  if (!ToII)
    return nullptr;
  Storage = PseudoDestructorTypeStorage(
        ToII, Importer.Import(E->getDestroyedTypeLoc()));
} else {
  TypeSourceInfo *TI = Importer.Import(E->getDestroyedTypeInfo());
  if (!TI)
    return nullptr;
  Storage = PseudoDestructorTypeStorage(TI);
}

return new (Importer.getToContext()) CXXPseudoDestructorExpr(
      Importer.getToContext(), BaseE, E->isArrow(),
      Importer.Import(E->getOperatorLoc()),
      Importer.Import(E->getQualifierLoc()),
      ScopeInfo, Importer.Import(E->getColonColonLoc()),
      Importer.Import(E->getTildeLoc()), Storage);
6120}

6122Expr *ASTNodeImporter::VisitCXXDependentScopeMemberExpr(
  CXXDependentScopeMemberExpr *E) {
Expr *Base = nullptr;
if (!E->isImplicitAccess()) {
  Base = Importer.Import(E->getBase());
  if (!Base)
    return nullptr;
}

QualType BaseType = Importer.Import(E->getBaseType());
if (BaseType.isNull())
  return nullptr;

TemplateArgumentListInfo ToTAInfo, *ResInfo = nullptr;
if (E->hasExplicitTemplateArgs()) {
  if (ImportTemplateArgumentListInfo(E->getLAngleLoc(), E->getRAngleLoc(),
                                     E->template_arguments(), ToTAInfo))
    return nullptr;
  ResInfo = &ToTAInfo;
}

DeclarationName Name = Importer.Import(E->getMember());
if (!E->getMember().isEmpty() && Name.isEmpty())
  return nullptr;

DeclarationNameInfo MemberNameInfo(Name, Importer.Import(E->getMemberLoc()));
// Import additional name location/type info.
ImportDeclarationNameLoc(E->getMemberNameInfo(), MemberNameInfo);
auto ToFQ = Importer.Import(E->getFirstQualifierFoundInScope());
if (!ToFQ && E->getFirstQualifierFoundInScope())
  return nullptr;

return CXXDependentScopeMemberExpr::Create(
    Importer.getToContext(), Base, BaseType, E->isArrow(),
    Importer.Import(E->getOperatorLoc()),
    Importer.Import(E->getQualifierLoc()),
    Importer.Import(E->getTemplateKeywordLoc()),
    cast_or_null<NamedDecl>(ToFQ), MemberNameInfo, ResInfo);
6160}

6162Expr *ASTNodeImporter::VisitCXXUnresolvedConstructExpr(
  CXXUnresolvedConstructExpr *CE) {
unsigned NumArgs = CE->arg_size();

SmallVector<Expr *, 8> ToArgs(NumArgs);
if (ImportArrayChecked(CE->arg_begin(), CE->arg_end(), ToArgs.begin()))
  return nullptr;

return CXXUnresolvedConstructExpr::Create(
    Importer.getToContext(), Importer.Import(CE->getTypeSourceInfo()),
    Importer.Import(CE->getLParenLoc()), llvm::makeArrayRef(ToArgs),
    Importer.Import(CE->getRParenLoc()));
6174}

6176Expr *ASTNodeImporter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E) {
auto *NamingClass =
    cast_or_null<CXXRecordDecl>(Importer.Import(E->getNamingClass()));
if (E->getNamingClass() && !NamingClass)
  return nullptr;

DeclarationName Name = Importer.Import(E->getName());
if (E->getName() && !Name)
  return nullptr;

DeclarationNameInfo NameInfo(Name, Importer.Import(E->getNameLoc()));
// Import additional name location/type info.
ImportDeclarationNameLoc(E->getNameInfo(), NameInfo);

UnresolvedSet<8> ToDecls;
for (auto *D : E->decls()) {
  if (auto *To = cast_or_null<NamedDecl>(Importer.Import(D)))
    ToDecls.addDecl(To);
  else
    return nullptr;
}

TemplateArgumentListInfo ToTAInfo, *ResInfo = nullptr;
if (E->hasExplicitTemplateArgs()) {
  if (ImportTemplateArgumentListInfo(E->getLAngleLoc(), E->getRAngleLoc(),
                                     E->template_arguments(), ToTAInfo))
    return nullptr;
  ResInfo = &ToTAInfo;
}

if (ResInfo || E->getTemplateKeywordLoc().isValid())
  return UnresolvedLookupExpr::Create(
      Importer.getToContext(), NamingClass,
      Importer.Import(E->getQualifierLoc()),
      Importer.Import(E->getTemplateKeywordLoc()), NameInfo, E->requiresADL(),
      ResInfo, ToDecls.begin(), ToDecls.end());

return UnresolvedLookupExpr::Create(
    Importer.getToContext(), NamingClass,
    Importer.Import(E->getQualifierLoc()), NameInfo, E->requiresADL(),
    E->isOverloaded(), ToDecls.begin(), ToDecls.end());
6217}

6219Expr *ASTNodeImporter::VisitCallExpr(CallExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

Expr *ToCallee = Importer.Import(E->getCallee());
if (!ToCallee && E->getCallee())
  return nullptr;

unsigned NumArgs = E->getNumArgs();
SmallVector<Expr *, 2> ToArgs(NumArgs);
if (ImportContainerChecked(E->arguments(), ToArgs))
   return nullptr;

auto **ToArgs_Copied = new (Importer.getToContext()) Expr*[NumArgs];

for (unsigned ai = 0, ae = NumArgs; ai != ae; ++ai)
  ToArgs_Copied[ai] = ToArgs[ai];

if (const auto *OCE = dyn_cast<CXXOperatorCallExpr>(E)) {
  return new (Importer.getToContext()) CXXOperatorCallExpr(
        Importer.getToContext(), OCE->getOperator(), ToCallee, ToArgs, T,
        OCE->getValueKind(), Importer.Import(OCE->getRParenLoc()),
        OCE->getFPFeatures());
}

return new (Importer.getToContext())
  CallExpr(Importer.getToContext(), ToCallee, 
           llvm::makeArrayRef(ToArgs_Copied, NumArgs), T, E->getValueKind(),
           Importer.Import(E->getRParenLoc()));
6249}

6251Optional<LambdaCapture>
6252ASTNodeImporter::ImportLambdaCapture(const LambdaCapture &From) {
VarDecl *Var = nullptr;
if (From.capturesVariable()) {
  Var = cast_or_null<VarDecl>(Importer.Import(From.getCapturedVar()));
  if (!Var)
    return None;
}

return LambdaCapture(Importer.Import(From.getLocation()), From.isImplicit(),
                     From.getCaptureKind(), Var,
                     From.isPackExpansion()
                       ? Importer.Import(From.getEllipsisLoc())
                       : SourceLocation());
6265}

6267Expr *ASTNodeImporter::VisitLambdaExpr(LambdaExpr *LE) {
CXXRecordDecl *FromClass = LE->getLambdaClass();
auto *ToClass = dyn_cast_or_null<CXXRecordDecl>(Importer.Import(FromClass));
if (!ToClass)
  return nullptr;

// NOTE: lambda classes are created with BeingDefined flag set up.
// It means that ImportDefinition doesn't work for them and we should fill it
// manually.
if (ToClass->isBeingDefined()) {
  for (auto FromField : FromClass->fields()) {
    auto *ToField = cast_or_null<FieldDecl>(Importer.Import(FromField));
    if (!ToField)
      return nullptr;
  }
}

auto *ToCallOp = dyn_cast_or_null<CXXMethodDecl>(
      Importer.Import(LE->getCallOperator()));
if (!ToCallOp)
  return nullptr;

ToClass->completeDefinition();

unsigned NumCaptures = LE->capture_size();
SmallVector<LambdaCapture, 8> Captures;
Captures.reserve(NumCaptures);
for (const auto &FromCapture : LE->captures()) {
  if (auto ToCapture = ImportLambdaCapture(FromCapture))
    Captures.push_back(*ToCapture);
  else
    return nullptr;
}

SmallVector<Expr *, 8> InitCaptures(NumCaptures);
if (ImportContainerChecked(LE->capture_inits(), InitCaptures))
  return nullptr;

return LambdaExpr::Create(Importer.getToContext(), ToClass,
                          Importer.Import(LE->getIntroducerRange()),
                          LE->getCaptureDefault(),
                          Importer.Import(LE->getCaptureDefaultLoc()),
                          Captures,
                          LE->hasExplicitParameters(),
                          LE->hasExplicitResultType(),
                          InitCaptures,
                          Importer.Import(LE->getLocEnd()),
                          LE->containsUnexpandedParameterPack());
6315}

6317Expr *ASTNodeImporter::VisitInitListExpr(InitListExpr *ILE) {
QualType T = Importer.Import(ILE->getType());
if (T.isNull())
  return nullptr;

SmallVector<Expr *, 4> Exprs(ILE->getNumInits());
if (ImportContainerChecked(ILE->inits(), Exprs))
  return nullptr;

ASTContext &ToCtx = Importer.getToContext();
InitListExpr *To = new (ToCtx) InitListExpr(
      ToCtx, Importer.Import(ILE->getLBraceLoc()),
      Exprs, Importer.Import(ILE->getLBraceLoc()));
To->setType(T);

if (ILE->hasArrayFiller()) {
  Expr *Filler = Importer.Import(ILE->getArrayFiller());
  if (!Filler)
    return nullptr;
  To->setArrayFiller(Filler);
}

if (FieldDecl *FromFD = ILE->getInitializedFieldInUnion()) {
  auto *ToFD = cast_or_null<FieldDecl>(Importer.Import(FromFD));
  if (!ToFD)
    return nullptr;
  To->setInitializedFieldInUnion(ToFD);
}

if (InitListExpr *SyntForm = ILE->getSyntacticForm()) {
  auto *ToSyntForm = cast_or_null<InitListExpr>(Importer.Import(SyntForm));
  if (!ToSyntForm)
    return nullptr;
  To->setSyntacticForm(ToSyntForm);
}

To->sawArrayRangeDesignator(ILE->hadArrayRangeDesignator());
To->setValueDependent(ILE->isValueDependent());
To->setInstantiationDependent(ILE->isInstantiationDependent());

return To;
6358}

6360Expr *ASTNodeImporter::VisitArrayInitLoopExpr(ArrayInitLoopExpr *E) {
QualType ToType = Importer.Import(E->getType());
if (ToType.isNull())
  return nullptr;

Expr *ToCommon = Importer.Import(E->getCommonExpr());
if (!ToCommon && E->getCommonExpr())
  return nullptr;

Expr *ToSubExpr = Importer.Import(E->getSubExpr());
if (!ToSubExpr && E->getSubExpr())
  return nullptr;

return new (Importer.getToContext())
    ArrayInitLoopExpr(ToType, ToCommon, ToSubExpr);
6375}

6377Expr *ASTNodeImporter::VisitArrayInitIndexExpr(ArrayInitIndexExpr *E) {
QualType ToType = Importer.Import(E->getType());
if (ToType.isNull())
  return nullptr;
return new (Importer.getToContext()) ArrayInitIndexExpr(ToType);
6382}

6384Expr *ASTNodeImporter::VisitCXXDefaultInitExpr(CXXDefaultInitExpr *DIE) {
auto *ToField = dyn_cast_or_null<FieldDecl>(Importer.Import(DIE->getField()));
if (!ToField && DIE->getField())
  return nullptr;

return CXXDefaultInitExpr::Create(
    Importer.getToContext(), Importer.Import(DIE->getLocStart()), ToField);
6391}

6393Expr *ASTNodeImporter::VisitCXXNamedCastExpr(CXXNamedCastExpr *E) {
QualType ToType = Importer.Import(E->getType());
if (ToType.isNull() && !E->getType().isNull())
  return nullptr;
ExprValueKind VK = E->getValueKind();
CastKind CK = E->getCastKind();
Expr *ToOp = Importer.Import(E->getSubExpr());
if (!ToOp && E->getSubExpr())
  return nullptr;
CXXCastPath BasePath;
if (ImportCastPath(E, BasePath))
  return nullptr;
TypeSourceInfo *ToWritten = Importer.Import(E->getTypeInfoAsWritten());
SourceLocation ToOperatorLoc = Importer.Import(E->getOperatorLoc());
SourceLocation ToRParenLoc = Importer.Import(E->getRParenLoc());
SourceRange ToAngleBrackets = Importer.Import(E->getAngleBrackets());

if (isa<CXXStaticCastExpr>(E)) {
  return CXXStaticCastExpr::Create(
      Importer.getToContext(), ToType, VK, CK, ToOp, &BasePath, 
      ToWritten, ToOperatorLoc, ToRParenLoc, ToAngleBrackets);
} else if (isa<CXXDynamicCastExpr>(E)) {
  return CXXDynamicCastExpr::Create(
      Importer.getToContext(), ToType, VK, CK, ToOp, &BasePath, 
      ToWritten, ToOperatorLoc, ToRParenLoc, ToAngleBrackets);
} else if (isa<CXXReinterpretCastExpr>(E)) {
  return CXXReinterpretCastExpr::Create(
      Importer.getToContext(), ToType, VK, CK, ToOp, &BasePath, 
      ToWritten, ToOperatorLoc, ToRParenLoc, ToAngleBrackets);
} else {
  return nullptr;
}
6425}

6427Expr *ASTNodeImporter::VisitSubstNonTypeTemplateParmExpr(
  SubstNonTypeTemplateParmExpr *E) {
QualType T = Importer.Import(E->getType());
if (T.isNull())
  return nullptr;

auto *Param = cast_or_null<NonTypeTemplateParmDecl>(
      Importer.Import(E->getParameter()));
if (!Param)
  return nullptr;

Expr *Replacement = Importer.Import(E->getReplacement());
if (!Replacement)
  return nullptr;

return new (Importer.getToContext()) SubstNonTypeTemplateParmExpr(
      T, E->getValueKind(), Importer.Import(E->getExprLoc()), Param,
      Replacement);
6445}

6447Expr *ASTNodeImporter::VisitTypeTraitExpr(TypeTraitExpr *E) {
QualType ToType = Importer.Import(E->getType());
if (ToType.isNull())
  return nullptr;

SmallVector<TypeSourceInfo *, 4> ToArgs(E->getNumArgs());
if (ImportContainerChecked(E->getArgs(), ToArgs))
  return nullptr;

// According to Sema::BuildTypeTrait(), if E is value-dependent,
// Value is always false.
bool ToValue = false;
if (!E->isValueDependent())
  ToValue = E->getValue();

return TypeTraitExpr::Create(
    Importer.getToContext(), ToType, Importer.Import(E->getLocStart()),
    E->getTrait(), ToArgs, Importer.Import(E->getLocEnd()), ToValue);
6465}

6467Expr *ASTNodeImporter::VisitCXXTypeidExpr(CXXTypeidExpr *E) {
QualType ToType = Importer.Import(E->getType());
if (ToType.isNull())
  return nullptr;

if (E->isTypeOperand()) {
  TypeSourceInfo *TSI = Importer.Import(E->getTypeOperandSourceInfo());
  if (!TSI)
    return nullptr;

  return new (Importer.getToContext())
      CXXTypeidExpr(ToType, TSI, Importer.Import(E->getSourceRange()));
}

Expr *Op = Importer.Import(E->getExprOperand());
if (!Op)
  return nullptr;

return new (Importer.getToContext())
    CXXTypeidExpr(ToType, Op, Importer.Import(E->getSourceRange()));
6487}

6489void ASTNodeImporter::ImportOverrides(CXXMethodDecl *ToMethod,
                                    CXXMethodDecl *FromMethod) {
for (auto *FromOverriddenMethod : FromMethod->overridden_methods())
  ToMethod->addOverriddenMethod(
    cast<CXXMethodDecl>(Importer.Import(const_cast<CXXMethodDecl*>(
                                          FromOverriddenMethod))));
6495}

6497ASTImporter::ASTImporter(ASTContext &ToContext, FileManager &ToFileManager,
                       ASTContext &FromContext, FileManager &FromFileManager,
                       bool MinimalImport)
  : ToContext(ToContext), FromContext(FromContext),
    ToFileManager(ToFileManager), FromFileManager(FromFileManager),
    Minimal(MinimalImport) {
ImportedDecls[FromContext.getTranslationUnitDecl()]
  = ToContext.getTranslationUnitDecl();
6505}

6507ASTImporter::~ASTImporter() = default;

6509QualType ASTImporter::Import(QualType FromT) {
if (FromT.isNull())
  return {};

const Type *fromTy = FromT.getTypePtr();

// Check whether we've already imported this type.  
llvm::DenseMap<const Type *, const Type *>::iterator Pos
  = ImportedTypes.find(fromTy);
if (Pos != ImportedTypes.end())
  return ToContext.getQualifiedType(Pos->second, FromT.getLocalQualifiers());

// Import the type
ASTNodeImporter Importer(*this);
QualType ToT = Importer.Visit(fromTy);
if (ToT.isNull())
  return ToT;

// Record the imported type.
ImportedTypes[fromTy] = ToT.getTypePtr();

return ToContext.getQualifiedType(ToT, FromT.getLocalQualifiers());
6531}

6533TypeSourceInfo *ASTImporter::Import(TypeSourceInfo *FromTSI) {
if (!FromTSI)
  return FromTSI;

// FIXME: For now we just create a "trivial" type source info based
// on the type and a single location. Implement a real version of this.
QualType T = Import(FromTSI->getType());
if (T.isNull())
  return nullptr;

return ToContext.getTrivialTypeSourceInfo(T, 
         Import(FromTSI->getTypeLoc().getLocStart()));
6545}

6547Decl *ASTImporter::GetAlreadyImportedOrNull(Decl *FromD) {
llvm::DenseMap<Decl *, Decl *>::iterator Pos = ImportedDecls.find(FromD);
if (Pos != ImportedDecls.end()) {
  Decl *ToD = Pos->second;
  ASTNodeImporter(*this).ImportDefinitionIfNeeded(FromD, ToD);
  return ToD;
} else {
  return nullptr;
}
6556}

6558Decl *ASTImporter::Import(Decl *FromD) {
if (!FromD)
11
←
Assuming 'FromD' is non-null→
12
←
Taking false branch→
  return nullptr;

ASTNodeImporter Importer(*this);

// Check whether we've already imported this declaration.  
llvm::DenseMap<Decl *, Decl *>::iterator Pos = ImportedDecls.find(FromD);
if (Pos != ImportedDecls.end()) {
13
←
Assuming the condition is false→
14
←
Taking false branch→
  Decl *ToD = Pos->second;
  Importer.ImportDefinitionIfNeeded(FromD, ToD);
  return ToD;
}

// Import the type
Decl *ToD = Importer.Visit(FromD);
15
←
Calling 'Base::Visit'→
if (!ToD)
  return nullptr;

// Record the imported declaration.
ImportedDecls[FromD] = ToD;

if (auto *FromTag = dyn_cast<TagDecl>(FromD)) {
  // Keep track of anonymous tags that have an associated typedef.
  if (FromTag->getTypedefNameForAnonDecl())
    AnonTagsWithPendingTypedefs.push_back(FromTag);
} else if (auto *FromTypedef = dyn_cast<TypedefNameDecl>(FromD)) {
  // When we've finished transforming a typedef, see whether it was the
  // typedef for an anonymous tag.
  for (SmallVectorImpl<TagDecl *>::iterator
             FromTag = AnonTagsWithPendingTypedefs.begin(), 
          FromTagEnd = AnonTagsWithPendingTypedefs.end();
       FromTag != FromTagEnd; ++FromTag) {
    if ((*FromTag)->getTypedefNameForAnonDecl() == FromTypedef) {
      if (auto *ToTag = cast_or_null<TagDecl>(Import(*FromTag))) {
        // We found the typedef for an anonymous tag; link them.
        ToTag->setTypedefNameForAnonDecl(cast<TypedefNameDecl>(ToD));
        AnonTagsWithPendingTypedefs.erase(FromTag);
        break;
      }
    }
  }
}

return ToD;
6603}

6605DeclContext *ASTImporter::ImportContext(DeclContext *FromDC) {
if (!FromDC)
  return FromDC;

auto *ToDC = cast_or_null<DeclContext>(Import(cast<Decl>(FromDC)));
if (!ToDC)
  return nullptr;

// When we're using a record/enum/Objective-C class/protocol as a context, we 
// need it to have a definition.
if (auto *ToRecord = dyn_cast<RecordDecl>(ToDC)) {
  auto *FromRecord = cast<RecordDecl>(FromDC);
  if (ToRecord->isCompleteDefinition()) {
    // Do nothing.
  } else if (FromRecord->isCompleteDefinition()) {
    ASTNodeImporter(*this).ImportDefinition(FromRecord, ToRecord,
                                            ASTNodeImporter::IDK_Basic);
  } else {
    CompleteDecl(ToRecord);
  }
} else if (auto *ToEnum = dyn_cast<EnumDecl>(ToDC)) {
  auto *FromEnum = cast<EnumDecl>(FromDC);
  if (ToEnum->isCompleteDefinition()) {
    // Do nothing.
  } else if (FromEnum->isCompleteDefinition()) {
    ASTNodeImporter(*this).ImportDefinition(FromEnum, ToEnum,
                                            ASTNodeImporter::IDK_Basic);
  } else {
    CompleteDecl(ToEnum);
  }    
} else if (auto *ToClass = dyn_cast<ObjCInterfaceDecl>(ToDC)) {
  auto *FromClass = cast<ObjCInterfaceDecl>(FromDC);
  if (ToClass->getDefinition()) {
    // Do nothing.
  } else if (ObjCInterfaceDecl *FromDef = FromClass->getDefinition()) {
    ASTNodeImporter(*this).ImportDefinition(FromDef, ToClass,
                                            ASTNodeImporter::IDK_Basic);
  } else {
    CompleteDecl(ToClass);
  }
} else if (auto *ToProto = dyn_cast<ObjCProtocolDecl>(ToDC)) {
  auto *FromProto = cast<ObjCProtocolDecl>(FromDC);
  if (ToProto->getDefinition()) {
    // Do nothing.
  } else if (ObjCProtocolDecl *FromDef = FromProto->getDefinition()) {
    ASTNodeImporter(*this).ImportDefinition(FromDef, ToProto,
                                            ASTNodeImporter::IDK_Basic);
  } else {
    CompleteDecl(ToProto);
  }    
}

return ToDC;
6658}

6660Expr *ASTImporter::Import(Expr *FromE) {
if (!FromE)
  return nullptr;

return cast_or_null<Expr>(Import(cast<Stmt>(FromE)));
6665}

6667Stmt *ASTImporter::Import(Stmt *FromS) {
if (!FromS)
  return nullptr;

// Check whether we've already imported this declaration.  
llvm::DenseMap<Stmt *, Stmt *>::iterator Pos = ImportedStmts.find(FromS);
if (Pos != ImportedStmts.end())
  return Pos->second;

// Import the type
ASTNodeImporter Importer(*this);
Stmt *ToS = Importer.Visit(FromS);
if (!ToS)
  return nullptr;

// Record the imported declaration.
ImportedStmts[FromS] = ToS;
return ToS;
6685}

6687NestedNameSpecifier *ASTImporter::Import(NestedNameSpecifier *FromNNS) {
if (!FromNNS)
  return nullptr;

NestedNameSpecifier *prefix = Import(FromNNS->getPrefix());

switch (FromNNS->getKind()) {
case NestedNameSpecifier::Identifier:
  if (IdentifierInfo *II = Import(FromNNS->getAsIdentifier())) {
    return NestedNameSpecifier::Create(ToContext, prefix, II);
  }
  return nullptr;

case NestedNameSpecifier::Namespace:
  if (auto *NS = 
          cast_or_null<NamespaceDecl>(Import(FromNNS->getAsNamespace()))) {
    return NestedNameSpecifier::Create(ToContext, prefix, NS);
  }
  return nullptr;

case NestedNameSpecifier::NamespaceAlias:
  if (auto *NSAD = 
        cast_or_null<NamespaceAliasDecl>(Import(FromNNS->getAsNamespaceAlias()))) {
    return NestedNameSpecifier::Create(ToContext, prefix, NSAD);
  }
  return nullptr;

case NestedNameSpecifier::Global:
  return NestedNameSpecifier::GlobalSpecifier(ToContext);

case NestedNameSpecifier::Super:
  if (auto *RD =
          cast_or_null<CXXRecordDecl>(Import(FromNNS->getAsRecordDecl()))) {
    return NestedNameSpecifier::SuperSpecifier(ToContext, RD);
  }
  return nullptr;

case NestedNameSpecifier::TypeSpec:
case NestedNameSpecifier::TypeSpecWithTemplate: {
    QualType T = Import(QualType(FromNNS->getAsType(), 0u));
    if (!T.isNull()) {
      bool bTemplate = FromNNS->getKind() == 
                       NestedNameSpecifier::TypeSpecWithTemplate;
      return NestedNameSpecifier::Create(ToContext, prefix, 
                                         bTemplate, T.getTypePtr());
    }
  }
    return nullptr;
}

llvm_unreachable("Invalid nested name specifier kind")::llvm::llvm_unreachable_internal("Invalid nested name specifier kind"
, "/build/llvm-toolchain-snapshot-7~svn329677/tools/clang/lib/AST/ASTImporter.cpp"
, 6737);
6738}

6740NestedNameSpecifierLoc ASTImporter::Import(NestedNameSpecifierLoc FromNNS) {
// Copied from NestedNameSpecifier mostly.
SmallVector<NestedNameSpecifierLoc , 8> NestedNames;
NestedNameSpecifierLoc NNS = FromNNS;

// Push each of the nested-name-specifiers's onto a stack for
// serialization in reverse order.
while (NNS) {
  NestedNames.push_back(NNS);
  NNS = NNS.getPrefix();
}

NestedNameSpecifierLocBuilder Builder;

while (!NestedNames.empty()) {
  NNS = NestedNames.pop_back_val();
  NestedNameSpecifier *Spec = Import(NNS.getNestedNameSpecifier());
  if (!Spec)
    return NestedNameSpecifierLoc();

  NestedNameSpecifier::SpecifierKind Kind = Spec->getKind();
  switch (Kind) {
  case NestedNameSpecifier::Identifier:
    Builder.Extend(getToContext(),
                   Spec->getAsIdentifier(),
                   Import(NNS.getLocalBeginLoc()),
                   Import(NNS.getLocalEndLoc()));
    break;

  case NestedNameSpecifier::Namespace:
    Builder.Extend(getToContext(),
                   Spec->getAsNamespace(),
                   Import(NNS.getLocalBeginLoc()),
                   Import(NNS.getLocalEndLoc()));
    break;

  case NestedNameSpecifier::NamespaceAlias:
    Builder.Extend(getToContext(),
                   Spec->getAsNamespaceAlias(),
                   Import(NNS.getLocalBeginLoc()),
                   Import(NNS.getLocalEndLoc()));
    break;

  case NestedNameSpecifier::TypeSpec:
  case NestedNameSpecifier::TypeSpecWithTemplate: {
    TypeSourceInfo *TSI = getToContext().getTrivialTypeSourceInfo(
          QualType(Spec->getAsType(), 0));
    Builder.Extend(getToContext(),
                   Import(NNS.getLocalBeginLoc()),
                   TSI->getTypeLoc(),
                   Import(NNS.getLocalEndLoc()));
    break;
  }

  case NestedNameSpecifier::Global:
    Builder.MakeGlobal(getToContext(), Import(NNS.getLocalBeginLoc()));
    break;

  case NestedNameSpecifier::Super: {
    SourceRange ToRange = Import(NNS.getSourceRange());
    Builder.MakeSuper(getToContext(),
                      Spec->getAsRecordDecl(),
                      ToRange.getBegin(),
                      ToRange.getEnd());
  }
}
}

return Builder.getWithLocInContext(getToContext());
6809}

6811TemplateName ASTImporter::Import(TemplateName From) {
switch (From.getKind()) {
case TemplateName::Template:
  if (auto *ToTemplate =
          cast_or_null<TemplateDecl>(Import(From.getAsTemplateDecl())))
    return TemplateName(ToTemplate);
    
  return {};
    
case TemplateName::OverloadedTemplate: {
  OverloadedTemplateStorage *FromStorage = From.getAsOverloadedTemplate();
  UnresolvedSet<2> ToTemplates;
  for (auto *I : *FromStorage) {
    if (auto *To = cast_or_null<NamedDecl>(Import(I))) 
      ToTemplates.addDecl(To);
    else
      return {};
  }
  return ToContext.getOverloadedTemplateName(ToTemplates.begin(), 
                                             ToTemplates.end());
}
    
case TemplateName::QualifiedTemplate: {
  QualifiedTemplateName *QTN = From.getAsQualifiedTemplateName();
  NestedNameSpecifier *Qualifier = Import(QTN->getQualifier());
  if (!Qualifier)
    return {};
  
  if (auto *ToTemplate =
          cast_or_null<TemplateDecl>(Import(From.getAsTemplateDecl())))
    return ToContext.getQualifiedTemplateName(Qualifier, 
                                              QTN->hasTemplateKeyword(), 
                                              ToTemplate);

  return {};
}

case TemplateName::DependentTemplate: {
  DependentTemplateName *DTN = From.getAsDependentTemplateName();
  NestedNameSpecifier *Qualifier = Import(DTN->getQualifier());
  if (!Qualifier)
    return {};
  
  if (DTN->isIdentifier()) {
    return ToContext.getDependentTemplateName(Qualifier, 
                                              Import(DTN->getIdentifier()));
  }
  
  return ToContext.getDependentTemplateName(Qualifier, DTN->getOperator());
}

case TemplateName::SubstTemplateTemplateParm: {
  SubstTemplateTemplateParmStorage *subst
    = From.getAsSubstTemplateTemplateParm();
  auto *param =
      cast_or_null<TemplateTemplateParmDecl>(Import(subst->getParameter()));
  if (!param)
    return {};

  TemplateName replacement = Import(subst->getReplacement());
  if (replacement.isNull())
    return {};
  
  return ToContext.getSubstTemplateTemplateParm(param, replacement);
}
    
case TemplateName::SubstTemplateTemplateParmPack: {
  SubstTemplateTemplateParmPackStorage *SubstPack
    = From.getAsSubstTemplateTemplateParmPack();
  auto *Param =
      cast_or_null<TemplateTemplateParmDecl>(
          Import(SubstPack->getParameterPack()));
  if (!Param)
    return {};
  
  ASTNodeImporter Importer(*this);
  TemplateArgument ArgPack 
    = Importer.ImportTemplateArgument(SubstPack->getArgumentPack());
  if (ArgPack.isNull())
    return {};
  
  return ToContext.getSubstTemplateTemplateParmPack(Param, ArgPack);
}
}

llvm_unreachable("Invalid template name kind")::llvm::llvm_unreachable_internal("Invalid template name kind"
, "/build/llvm-toolchain-snapshot-7~svn329677/tools/clang/lib/AST/ASTImporter.cpp"
, 6896);
6897}

6899SourceLocation ASTImporter::Import(SourceLocation FromLoc) {
if (FromLoc.isInvalid())
  return {};

SourceManager &FromSM = FromContext.getSourceManager();

// For now, map everything down to its file location, so that we
// don't have to import macro expansions.
// FIXME: Import macro expansions!
FromLoc = FromSM.getFileLoc(FromLoc);
std::pair<FileID, unsigned> Decomposed = FromSM.getDecomposedLoc(FromLoc);
SourceManager &ToSM = ToContext.getSourceManager();
FileID ToFileID = Import(Decomposed.first);
if (ToFileID.isInvalid())
  return {};
SourceLocation ret = ToSM.getLocForStartOfFile(ToFileID)
                         .getLocWithOffset(Decomposed.second);
return ret;
6917}

6919SourceRange ASTImporter::Import(SourceRange FromRange) {
return SourceRange(Import(FromRange.getBegin()), Import(FromRange.getEnd()));
6921}

6923FileID ASTImporter::Import(FileID FromID) {
llvm::DenseMap<FileID, FileID>::iterator Pos
  = ImportedFileIDs.find(FromID);
if (Pos != ImportedFileIDs.end())
  return Pos->second;

SourceManager &FromSM = FromContext.getSourceManager();
SourceManager &ToSM = ToContext.getSourceManager();
const SrcMgr::SLocEntry &FromSLoc = FromSM.getSLocEntry(FromID);
assert(FromSLoc.isFile() && "Cannot handle macro expansions yet")(static_cast <bool> (FromSLoc.isFile() && "Cannot handle macro expansions yet"
) ? void (0) : __assert_fail ("FromSLoc.isFile() && \"Cannot handle macro expansions yet\""
, "/build/llvm-toolchain-snapshot-7~svn329677/tools/clang/lib/AST/ASTImporter.cpp"
, 6932, __extension__ __PRETTY_FUNCTION__));

// Include location of this file.
SourceLocation ToIncludeLoc = Import(FromSLoc.getFile().getIncludeLoc());

// Map the FileID for to the "to" source manager.
FileID ToID;
const SrcMgr::ContentCache *Cache = FromSLoc.getFile().getContentCache();
if (Cache->OrigEntry && Cache->OrigEntry->getDir()) {
  // FIXME: We probably want to use getVirtualFile(), so we don't hit the
  // disk again
  // FIXME: We definitely want to re-use the existing MemoryBuffer, rather
  // than mmap the files several times.
  const FileEntry *Entry = ToFileManager.getFile(Cache->OrigEntry->getName());
  if (!Entry)
    return {};
  ToID = ToSM.createFileID(Entry, ToIncludeLoc, 
                           FromSLoc.getFile().getFileCharacteristic());
} else {
  // FIXME: We want to re-use the existing MemoryBuffer!
  const llvm::MemoryBuffer *
      FromBuf = Cache->getBuffer(FromContext.getDiagnostics(), FromSM);
  std::unique_ptr<llvm::MemoryBuffer> ToBuf
    = llvm::MemoryBuffer::getMemBufferCopy(FromBuf->getBuffer(),
                                           FromBuf->getBufferIdentifier());
  ToID = ToSM.createFileID(std::move(ToBuf),
                           FromSLoc.getFile().getFileCharacteristic());
}

ImportedFileIDs[FromID] = ToID;
return ToID;
6963}

6965CXXCtorInitializer *ASTImporter::Import(CXXCtorInitializer *From) {
Expr *ToExpr = Import(From->getInit());
if (!ToExpr && From->getInit())
  return nullptr;

if (From->isBaseInitializer()) {
  TypeSourceInfo *ToTInfo = Import(From->getTypeSourceInfo());
  if (!ToTInfo && From->getTypeSourceInfo())
    return nullptr;

  return new (ToContext) CXXCtorInitializer(
      ToContext, ToTInfo, From->isBaseVirtual(), Import(From->getLParenLoc()),
      ToExpr, Import(From->getRParenLoc()),
      From->isPackExpansion() ? Import(From->getEllipsisLoc())
                              : SourceLocation());
} else if (From->isMemberInitializer()) {
  auto *ToField = cast_or_null<FieldDecl>(Import(From->getMember()));
  if (!ToField && From->getMember())
    return nullptr;

  return new (ToContext) CXXCtorInitializer(
      ToContext, ToField, Import(From->getMemberLocation()),
      Import(From->getLParenLoc()), ToExpr, Import(From->getRParenLoc()));
} else if (From->isIndirectMemberInitializer()) {
  auto *ToIField = cast_or_null<IndirectFieldDecl>(
      Import(From->getIndirectMember()));
  if (!ToIField && From->getIndirectMember())
    return nullptr;

  return new (ToContext) CXXCtorInitializer(
      ToContext, ToIField, Import(From->getMemberLocation()),
      Import(From->getLParenLoc()), ToExpr, Import(From->getRParenLoc()));
} else if (From->isDelegatingInitializer()) {
  TypeSourceInfo *ToTInfo = Import(From->getTypeSourceInfo());
  if (!ToTInfo && From->getTypeSourceInfo())
    return nullptr;

  return new (ToContext)
      CXXCtorInitializer(ToContext, ToTInfo, Import(From->getLParenLoc()),
                         ToExpr, Import(From->getRParenLoc()));
} else {
  return nullptr;
}
7008}

7010CXXBaseSpecifier *ASTImporter::Import(const CXXBaseSpecifier *BaseSpec) {
auto Pos = ImportedCXXBaseSpecifiers.find(BaseSpec);
if (Pos != ImportedCXXBaseSpecifiers.end())
  return Pos->second;

CXXBaseSpecifier *Imported = new (ToContext) CXXBaseSpecifier(
      Import(BaseSpec->getSourceRange()),
      BaseSpec->isVirtual(), BaseSpec->isBaseOfClass(),
      BaseSpec->getAccessSpecifierAsWritten(),
      Import(BaseSpec->getTypeSourceInfo()),
      Import(BaseSpec->getEllipsisLoc()));
ImportedCXXBaseSpecifiers[BaseSpec] = Imported;
return Imported;
7023}

7025void ASTImporter::ImportDefinition(Decl *From) {
Decl *To = Import(From);
if (!To)
1
Taking false branch→
  return;

if (auto *FromDC = cast<DeclContext>(From)) {
2
←
Assuming 'FromDC' is non-null→
3
←
Taking true branch→
  ASTNodeImporter Importer(*this);
    
  if (auto *ToRecord = dyn_cast<RecordDecl>(To)) {
4
←
Taking false branch→
    if (!ToRecord->getDefinition()) {
      Importer.ImportDefinition(cast<RecordDecl>(FromDC), ToRecord, 
                                ASTNodeImporter::IDK_Everything);
      return;
    }      
  }

  if (auto *ToEnum = dyn_cast<EnumDecl>(To)) {
5
←
Taking false branch→
    if (!ToEnum->getDefinition()) {
      Importer.ImportDefinition(cast<EnumDecl>(FromDC), ToEnum, 
                                ASTNodeImporter::IDK_Everything);
      return;
    }      
  }
  
  if (auto *ToIFace = dyn_cast<ObjCInterfaceDecl>(To)) {
6
←
Taking false branch→
    if (!ToIFace->getDefinition()) {
      Importer.ImportDefinition(cast<ObjCInterfaceDecl>(FromDC), ToIFace,
                                ASTNodeImporter::IDK_Everything);
      return;
    }
  }

  if (auto *ToProto = dyn_cast<ObjCProtocolDecl>(To)) {
7
←
Taking false branch→
    if (!ToProto->getDefinition()) {
      Importer.ImportDefinition(cast<ObjCProtocolDecl>(FromDC), ToProto,
                                ASTNodeImporter::IDK_Everything);
      return;
    }
  }
  
  Importer.ImportDeclContext(FromDC, true);
8
←
Calling 'ASTNodeImporter::ImportDeclContext'→
}
7067}

7069DeclarationName ASTImporter::Import(DeclarationName FromName) {
if (!FromName)
  return {};

switch (FromName.getNameKind()) {
case DeclarationName::Identifier:
  return Import(FromName.getAsIdentifierInfo());

case DeclarationName::ObjCZeroArgSelector:
case DeclarationName::ObjCOneArgSelector:
case DeclarationName::ObjCMultiArgSelector:
  return Import(FromName.getObjCSelector());

case DeclarationName::CXXConstructorName: {
  QualType T = Import(FromName.getCXXNameType());
  if (T.isNull())
    return {};

  return ToContext.DeclarationNames.getCXXConstructorName(
                                             ToContext.getCanonicalType(T));
}

case DeclarationName::CXXDestructorName: {
  QualType T = Import(FromName.getCXXNameType());
  if (T.isNull())
    return {};

  return ToContext.DeclarationNames.getCXXDestructorName(
                                             ToContext.getCanonicalType(T));
}

case DeclarationName::CXXDeductionGuideName: {
  auto *Template = cast_or_null<TemplateDecl>(
      Import(FromName.getCXXDeductionGuideTemplate()));
  if (!Template)
    return {};
  return ToContext.DeclarationNames.getCXXDeductionGuideName(Template);
}

case DeclarationName::CXXConversionFunctionName: {
  QualType T = Import(FromName.getCXXNameType());
  if (T.isNull())
    return {};

  return ToContext.DeclarationNames.getCXXConversionFunctionName(
                                             ToContext.getCanonicalType(T));
}

case DeclarationName::CXXOperatorName:
  return ToContext.DeclarationNames.getCXXOperatorName(
                                        FromName.getCXXOverloadedOperator());

case DeclarationName::CXXLiteralOperatorName:
  return ToContext.DeclarationNames.getCXXLiteralOperatorName(
                                 Import(FromName.getCXXLiteralIdentifier()));

case DeclarationName::CXXUsingDirective:
  // FIXME: STATICS!
  return DeclarationName::getUsingDirectiveName();
}

llvm_unreachable("Invalid DeclarationName Kind!")::llvm::llvm_unreachable_internal("Invalid DeclarationName Kind!"
, "/build/llvm-toolchain-snapshot-7~svn329677/tools/clang/lib/AST/ASTImporter.cpp"
, 7130);
7131}

7133IdentifierInfo *ASTImporter::Import(const IdentifierInfo *FromId) {
if (!FromId)
  return nullptr;

IdentifierInfo *ToId = &ToContext.Idents.get(FromId->getName());

if (!ToId->getBuiltinID() && FromId->getBuiltinID())
  ToId->setBuiltinID(FromId->getBuiltinID());

return ToId;
7143}

7145Selector ASTImporter::Import(Selector FromSel) {
if (FromSel.isNull())
  return {};

SmallVector<IdentifierInfo *, 4> Idents;
Idents.push_back(Import(FromSel.getIdentifierInfoForSlot(0)));
for (unsigned I = 1, N = FromSel.getNumArgs(); I < N; ++I)
  Idents.push_back(Import(FromSel.getIdentifierInfoForSlot(I)));
return ToContext.Selectors.getSelector(FromSel.getNumArgs(), Idents.data());
7154}

7156DeclarationName ASTImporter::HandleNameConflict(DeclarationName Name,
                                              DeclContext *DC,
                                              unsigned IDNS,
                                              NamedDecl **Decls,
                                              unsigned NumDecls) {
return Name;
7162}

7164DiagnosticBuilder ASTImporter::ToDiag(SourceLocation Loc, unsigned DiagID) {
if (LastDiagFromFrom)
  ToContext.getDiagnostics().notePriorDiagnosticFrom(
    FromContext.getDiagnostics());
LastDiagFromFrom = false;
return ToContext.getDiagnostics().Report(Loc, DiagID);
7170}

7172DiagnosticBuilder ASTImporter::FromDiag(SourceLocation Loc, unsigned DiagID) {
if (!LastDiagFromFrom)
  FromContext.getDiagnostics().notePriorDiagnosticFrom(
    ToContext.getDiagnostics());
LastDiagFromFrom = true;
return FromContext.getDiagnostics().Report(Loc, DiagID);
7178}

7180void ASTImporter::CompleteDecl (Decl *D) {
if (auto *ID = dyn_cast<ObjCInterfaceDecl>(D)) {
  if (!ID->getDefinition())
    ID->startDefinition();
}
else if (auto *PD = dyn_cast<ObjCProtocolDecl>(D)) {
  if (!PD->getDefinition())
    PD->startDefinition();
}
else if (auto *TD = dyn_cast<TagDecl>(D)) {
  if (!TD->getDefinition() && !TD->isBeingDefined()) {
    TD->startDefinition();
    TD->setCompleteDefinition(true);
  }
}
else {
  assert(0 && "CompleteDecl called on a Decl that can't be completed")(static_cast <bool> (0 && "CompleteDecl called on a Decl that can't be completed"
) ? void (0) : __assert_fail ("0 && \"CompleteDecl called on a Decl that can't be completed\""
, "/build/llvm-toolchain-snapshot-7~svn329677/tools/clang/lib/AST/ASTImporter.cpp"
, 7196, __extension__ __PRETTY_FUNCTION__));
}
7198}

7200Decl *ASTImporter::Imported(Decl *From, Decl *To) {
if (From->hasAttrs()) {
  for (auto *FromAttr : From->getAttrs())
    To->addAttr(FromAttr->clone(To->getASTContext()));
}
if (From->isUsed()) {
  To->setIsUsed();
}
if (From->isImplicit()) {
  To->setImplicit();
}
ImportedDecls[From] = To;
return To;
7213}

7215bool ASTImporter::IsStructurallyEquivalent(QualType From, QualType To,
                                         bool Complain) {
llvm::DenseMap<const Type *, const Type *>::iterator Pos
 = ImportedTypes.find(From.getTypePtr());
if (Pos != ImportedTypes.end() && ToContext.hasSameType(Import(From), To))
  return true;

StructuralEquivalenceContext Ctx(FromContext, ToContext, NonEquivalentDecls,
                                 false, Complain);
return Ctx.IsStructurallyEquivalent(From, To);
7225}

←

/build/llvm-toolchain-snapshot-7~svn329677/tools/clang/include/clang/AST/DeclVisitor.h

→

1//===- DeclVisitor.h - Visitor for Decl subclasses --------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10//  This file defines the DeclVisitor interface.
11//
12//===----------------------------------------------------------------------===//
13 
14#ifndef LLVM_CLANG_AST_DECLVISITOR_H
15#define LLVM_CLANG_AST_DECLVISITOR_H
16 
17#include "clang/AST/Decl.h"
18#include "clang/AST/DeclBase.h"
19#include "clang/AST/DeclCXX.h"
20#include "clang/AST/DeclFriend.h"
21#include "clang/AST/DeclObjC.h"
22#include "clang/AST/DeclOpenMP.h"
23#include "clang/AST/DeclTemplate.h"
24#include "llvm/Support/ErrorHandling.h"
25 
26namespace clang {
27 
28namespace declvisitor {
29 
30template <typename T> struct make_ptr { using type = T *; };
31template <typename T> struct make_const_ptr { using type = const T *; };
32 
33/// \brief A simple visitor class that helps create declaration visitors.
34template<template <typename> class Ptr, typename ImplClass, typename RetTy=void>
35class Base {
36public:
37#define PTR(CLASS) typename Ptr<CLASS>::type
38#define DISPATCH(NAME, CLASS) \
39  return static_cast<ImplClass*>(this)->Visit##NAME(static_cast<PTR(CLASS)>(D))
40 
41  RetTy Visit(PTR(Decl) D) {
42    switch (D->getKind()) {
16
←
Control jumps to 'case ObjCPropertyImpl:'  at line 529→
43#define DECL(DERIVED, BASE) \
44      case Decl::DERIVED: DISPATCH(DERIVED##Decl, DERIVED##Decl);
45#define ABSTRACT_DECL(DECL)
46#include "clang/AST/DeclNodes.inc"
47    }
48    llvm_unreachable("Decl that isn't part of DeclNodes.inc!")::llvm::llvm_unreachable_internal("Decl that isn't part of DeclNodes.inc!"
, "/build/llvm-toolchain-snapshot-7~svn329677/tools/clang/include/clang/AST/DeclVisitor.h"
, 48);
49  }
50 
51  // If the implementation chooses not to implement a certain visit
52  // method, fall back to the parent.
53#define DECL(DERIVED, BASE) \
54  RetTy Visit##DERIVED##Decl(PTR(DERIVED##Decl) D) { DISPATCH(BASE, BASE); }
55#include "clang/AST/DeclNodes.inc"
56 
57  RetTy VisitDecl(PTR(Decl) D) { return RetTy(); }
58 
59#undef PTR
60#undef DISPATCH
61};
62 
63} // namespace declvisitor
64 
65/// \brief A simple visitor class that helps create declaration visitors.
66///
67/// This class does not preserve constness of Decl pointers (see also
68/// ConstDeclVisitor).
69template<typename ImplClass, typename RetTy = void>
70class DeclVisitor
71 : public declvisitor::Base<declvisitor::make_ptr, ImplClass, RetTy> {};
72 
73/// \brief A simple visitor class that helps create declaration visitors.
74///
75/// This class preserves constness of Decl pointers (see also DeclVisitor).
76template<typename ImplClass, typename RetTy = void>
77class ConstDeclVisitor
78 : public declvisitor::Base<declvisitor::make_const_ptr, ImplClass, RetTy> {};
79 
80} // namespace clang
81 
82#endif // LLVM_CLANG_AST_DECLVISITOR_H

←

/build/llvm-toolchain-snapshot-7~svn329677/build-llvm/tools/clang/include/clang/AST/DeclNodes.inc

1/*===- TableGen'erated file -------------------------------------*- C++ -*-===*\
2|*                                                                            *|
3|* List of AST nodes of a particular kind                                     *|
4|*                                                                            *|
5|* Automatically generated file, do not edit!                                 *|
6|*                                                                            *|
7\*===----------------------------------------------------------------------===*/
8 
9#ifndef ABSTRACT_DECL
10#  define ABSTRACT_DECL(Type) Type
11#endif
12#ifndef DECL_RANGE
13#  define DECL_RANGE(Base, First, Last)
14#endif
15 
16#ifndef LAST_DECL_RANGE
17#  define LAST_DECL_RANGE(Base, First, Last) DECL_RANGE(Base, First, Last)
18#endif
19 
20#ifndef ACCESSSPEC
21#  define ACCESSSPEC(Type, Base) DECL(Type, Base)
22#endif
23ACCESSSPEC(AccessSpec, Decl)
24#undef ACCESSSPEC
25 
26#ifndef BLOCK
27#  define BLOCK(Type, Base) DECL(Type, Base)
28#endif
29BLOCK(Block, Decl)
30#undef BLOCK
31 
32#ifndef CAPTURED
33#  define CAPTURED(Type, Base) DECL(Type, Base)
34#endif
35CAPTURED(Captured, Decl)
36#undef CAPTURED
37 
38#ifndef CLASSSCOPEFUNCTIONSPECIALIZATION
39#  define CLASSSCOPEFUNCTIONSPECIALIZATION(Type, Base) DECL(Type, Base)
40#endif
41CLASSSCOPEFUNCTIONSPECIALIZATION(ClassScopeFunctionSpecialization, Decl)
42#undef CLASSSCOPEFUNCTIONSPECIALIZATION
43 
44#ifndef EMPTY
45#  define EMPTY(Type, Base) DECL(Type, Base)
46#endif
47EMPTY(Empty, Decl)
48#undef EMPTY
49 
50#ifndef EXPORT
51#  define EXPORT(Type, Base) DECL(Type, Base)
52#endif
53EXPORT(Export, Decl)
54#undef EXPORT
55 
56#ifndef EXTERNCCONTEXT
57#  define EXTERNCCONTEXT(Type, Base) DECL(Type, Base)
58#endif
59EXTERNCCONTEXT(ExternCContext, Decl)
60#undef EXTERNCCONTEXT
61 
62#ifndef FILESCOPEASM
63#  define FILESCOPEASM(Type, Base) DECL(Type, Base)
64#endif
65FILESCOPEASM(FileScopeAsm, Decl)
66#undef FILESCOPEASM
67 
68#ifndef FRIEND
69#  define FRIEND(Type, Base) DECL(Type, Base)
70#endif
71FRIEND(Friend, Decl)
72#undef FRIEND
73 
74#ifndef FRIENDTEMPLATE
75#  define FRIENDTEMPLATE(Type, Base) DECL(Type, Base)
76#endif
77FRIENDTEMPLATE(FriendTemplate, Decl)
78#undef FRIENDTEMPLATE
79 
80#ifndef IMPORT
81#  define IMPORT(Type, Base) DECL(Type, Base)
82#endif
83IMPORT(Import, Decl)
84#undef IMPORT
85 
86#ifndef LINKAGESPEC
87#  define LINKAGESPEC(Type, Base) DECL(Type, Base)
88#endif
89LINKAGESPEC(LinkageSpec, Decl)
90#undef LINKAGESPEC
91 
92#ifndef NAMED
93#  define NAMED(Type, Base) DECL(Type, Base)
94#endif
95ABSTRACT_DECL(NAMED(Named, Decl))
96#ifndef LABEL
97#  define LABEL(Type, Base) NAMED(Type, Base)
98#endif
99LABEL(Label, NamedDecl)
100#undef LABEL
101 
102#ifndef NAMESPACE
103#  define NAMESPACE(Type, Base) NAMED(Type, Base)
104#endif
105NAMESPACE(Namespace, NamedDecl)
106#undef NAMESPACE
107 
108#ifndef NAMESPACEALIAS
109#  define NAMESPACEALIAS(Type, Base) NAMED(Type, Base)
110#endif
111NAMESPACEALIAS(NamespaceAlias, NamedDecl)
112#undef NAMESPACEALIAS
113 
114#ifndef OBJCCOMPATIBLEALIAS
115#  define OBJCCOMPATIBLEALIAS(Type, Base) NAMED(Type, Base)
116#endif
117OBJCCOMPATIBLEALIAS(ObjCCompatibleAlias, NamedDecl)
118#undef OBJCCOMPATIBLEALIAS
119 
120#ifndef OBJCCONTAINER
121#  define OBJCCONTAINER(Type, Base) NAMED(Type, Base)
122#endif
123ABSTRACT_DECL(OBJCCONTAINER(ObjCContainer, NamedDecl))
124#ifndef OBJCCATEGORY
125#  define OBJCCATEGORY(Type, Base) OBJCCONTAINER(Type, Base)
126#endif
127OBJCCATEGORY(ObjCCategory, ObjCContainerDecl)
128#undef OBJCCATEGORY
129 
130#ifndef OBJCIMPL
131#  define OBJCIMPL(Type, Base) OBJCCONTAINER(Type, Base)
132#endif
133ABSTRACT_DECL(OBJCIMPL(ObjCImpl, ObjCContainerDecl))
134#ifndef OBJCCATEGORYIMPL
135#  define OBJCCATEGORYIMPL(Type, Base) OBJCIMPL(Type, Base)
136#endif
137OBJCCATEGORYIMPL(ObjCCategoryImpl, ObjCImplDecl)
138#undef OBJCCATEGORYIMPL
139 
140#ifndef OBJCIMPLEMENTATION
141#  define OBJCIMPLEMENTATION(Type, Base) OBJCIMPL(Type, Base)
142#endif
143OBJCIMPLEMENTATION(ObjCImplementation, ObjCImplDecl)
144#undef OBJCIMPLEMENTATION
145 
146DECL_RANGE(ObjCImpl, ObjCCategoryImpl, ObjCImplementation)
147 
148#undef OBJCIMPL
149 
150#ifndef OBJCINTERFACE
151#  define OBJCINTERFACE(Type, Base) OBJCCONTAINER(Type, Base)
152#endif
153OBJCINTERFACE(ObjCInterface, ObjCContainerDecl)
154#undef OBJCINTERFACE
155 
156#ifndef OBJCPROTOCOL
157#  define OBJCPROTOCOL(Type, Base) OBJCCONTAINER(Type, Base)
158#endif
159OBJCPROTOCOL(ObjCProtocol, ObjCContainerDecl)
160#undef OBJCPROTOCOL
161 
162DECL_RANGE(ObjCContainer, ObjCCategory, ObjCProtocol)
163 
164#undef OBJCCONTAINER
165 
166#ifndef OBJCMETHOD
167#  define OBJCMETHOD(Type, Base) NAMED(Type, Base)
168#endif
169OBJCMETHOD(ObjCMethod, NamedDecl)
170#undef OBJCMETHOD
171 
172#ifndef OBJCPROPERTY
173#  define OBJCPROPERTY(Type, Base) NAMED(Type, Base)
174#endif
175OBJCPROPERTY(ObjCProperty, NamedDecl)
176#undef OBJCPROPERTY
177 
178#ifndef TEMPLATE
179#  define TEMPLATE(Type, Base) NAMED(Type, Base)
180#endif
181ABSTRACT_DECL(TEMPLATE(Template, NamedDecl))
182#ifndef BUILTINTEMPLATE
183#  define BUILTINTEMPLATE(Type, Base) TEMPLATE(Type, Base)
184#endif
185BUILTINTEMPLATE(BuiltinTemplate, TemplateDecl)
186#undef BUILTINTEMPLATE
187 
188#ifndef REDECLARABLETEMPLATE
189#  define REDECLARABLETEMPLATE(Type, Base) TEMPLATE(Type, Base)
190#endif
191ABSTRACT_DECL(REDECLARABLETEMPLATE(RedeclarableTemplate, TemplateDecl))
192#ifndef CLASSTEMPLATE
193#  define CLASSTEMPLATE(Type, Base) REDECLARABLETEMPLATE(Type, Base)
194#endif
195CLASSTEMPLATE(ClassTemplate, RedeclarableTemplateDecl)
196#undef CLASSTEMPLATE
197 
198#ifndef FUNCTIONTEMPLATE
199#  define FUNCTIONTEMPLATE(Type, Base) REDECLARABLETEMPLATE(Type, Base)
200#endif
201FUNCTIONTEMPLATE(FunctionTemplate, RedeclarableTemplateDecl)
202#undef FUNCTIONTEMPLATE
203 
204#ifndef TYPEALIASTEMPLATE
205#  define TYPEALIASTEMPLATE(Type, Base) REDECLARABLETEMPLATE(Type, Base)
206#endif
207TYPEALIASTEMPLATE(TypeAliasTemplate, RedeclarableTemplateDecl)
208#undef TYPEALIASTEMPLATE
209 
210#ifndef VARTEMPLATE
211#  define VARTEMPLATE(Type, Base) REDECLARABLETEMPLATE(Type, Base)
212#endif
213VARTEMPLATE(VarTemplate, RedeclarableTemplateDecl)
214#undef VARTEMPLATE
215 
216DECL_RANGE(RedeclarableTemplate, ClassTemplate, VarTemplate)
217 
218#undef REDECLARABLETEMPLATE
219 
220#ifndef TEMPLATETEMPLATEPARM
221#  define TEMPLATETEMPLATEPARM(Type, Base) TEMPLATE(Type, Base)
222#endif
223TEMPLATETEMPLATEPARM(TemplateTemplateParm, TemplateDecl)
224#undef TEMPLATETEMPLATEPARM
225 
226DECL_RANGE(Template, BuiltinTemplate, TemplateTemplateParm)
227 
228#undef TEMPLATE
229 
230#ifndef TYPE
231#  define TYPE(Type, Base) NAMED(Type, Base)
232#endif
233ABSTRACT_DECL(TYPE(Type, NamedDecl))
234#ifndef TAG
235#  define TAG(Type, Base) TYPE(Type, Base)
236#endif
237ABSTRACT_DECL(TAG(Tag, TypeDecl))
238#ifndef ENUM
239#  define ENUM(Type, Base) TAG(Type, Base)
240#endif
241ENUM(Enum, TagDecl)
242#undef ENUM
243 
244#ifndef RECORD
245#  define RECORD(Type, Base) TAG(Type, Base)
246#endif
247RECORD(Record, TagDecl)
248#ifndef CXXRECORD
249#  define CXXRECORD(Type, Base) RECORD(Type, Base)
250#endif
251CXXRECORD(CXXRecord, RecordDecl)
252#ifndef CLASSTEMPLATESPECIALIZATION
253#  define CLASSTEMPLATESPECIALIZATION(Type, Base) CXXRECORD(Type, Base)
254#endif
255CLASSTEMPLATESPECIALIZATION(ClassTemplateSpecialization, CXXRecordDecl)
256#ifndef CLASSTEMPLATEPARTIALSPECIALIZATION
257#  define CLASSTEMPLATEPARTIALSPECIALIZATION(Type, Base) CLASSTEMPLATESPECIALIZATION(Type, Base)
258#endif
259CLASSTEMPLATEPARTIALSPECIALIZATION(ClassTemplatePartialSpecialization, ClassTemplateSpecializationDecl)
260#undef CLASSTEMPLATEPARTIALSPECIALIZATION
261 
262DECL_RANGE(ClassTemplateSpecialization, ClassTemplateSpecialization, ClassTemplatePartialSpecialization)
263 
264#undef CLASSTEMPLATESPECIALIZATION
265 
266DECL_RANGE(CXXRecord, CXXRecord, ClassTemplatePartialSpecialization)
267 
268#undef CXXRECORD
269 
270DECL_RANGE(Record, Record, ClassTemplatePartialSpecialization)
271 
272#undef RECORD
273 
274DECL_RANGE(Tag, Enum, ClassTemplatePartialSpecialization)
275 
276#undef TAG
277 
278#ifndef TEMPLATETYPEPARM
279#  define TEMPLATETYPEPARM(Type, Base) TYPE(Type, Base)
280#endif
281TEMPLATETYPEPARM(TemplateTypeParm, TypeDecl)
282#undef TEMPLATETYPEPARM
283 
284#ifndef TYPEDEFNAME
285#  define TYPEDEFNAME(Type, Base) TYPE(Type, Base)
286#endif
287ABSTRACT_DECL(TYPEDEFNAME(TypedefName, TypeDecl))
288#ifndef OBJCTYPEPARAM
289#  define OBJCTYPEPARAM(Type, Base) TYPEDEFNAME(Type, Base)
290#endif
291OBJCTYPEPARAM(ObjCTypeParam, TypedefNameDecl)
292#undef OBJCTYPEPARAM
293 
294#ifndef TYPEALIAS
295#  define TYPEALIAS(Type, Base) TYPEDEFNAME(Type, Base)
296#endif
297TYPEALIAS(TypeAlias, TypedefNameDecl)
298#undef TYPEALIAS
299 
300#ifndef TYPEDEF
301#  define TYPEDEF(Type, Base) TYPEDEFNAME(Type, Base)
302#endif
303TYPEDEF(Typedef, TypedefNameDecl)
304#undef TYPEDEF
305 
306DECL_RANGE(TypedefName, ObjCTypeParam, Typedef)
307 
308#undef TYPEDEFNAME
309 
310#ifndef UNRESOLVEDUSINGTYPENAME
311#  define UNRESOLVEDUSINGTYPENAME(Type, Base) TYPE(Type, Base)
312#endif
313UNRESOLVEDUSINGTYPENAME(UnresolvedUsingTypename, TypeDecl)
314#undef UNRESOLVEDUSINGTYPENAME
315 
316DECL_RANGE(Type, Enum, UnresolvedUsingTypename)
317 
318#undef TYPE
319 
320#ifndef USING
321#  define USING(Type, Base) NAMED(Type, Base)
322#endif
323USING(Using, NamedDecl)
324#undef USING
325 
326#ifndef USINGDIRECTIVE
327#  define USINGDIRECTIVE(Type, Base) NAMED(Type, Base)
328#endif
329USINGDIRECTIVE(UsingDirective, NamedDecl)
330#undef USINGDIRECTIVE
331 
332#ifndef USINGPACK
333#  define USINGPACK(Type, Base) NAMED(Type, Base)
334#endif
335USINGPACK(UsingPack, NamedDecl)
336#undef USINGPACK
337 
338#ifndef USINGSHADOW
339#  define USINGSHADOW(Type, Base) NAMED(Type, Base)
340#endif
341USINGSHADOW(UsingShadow, NamedDecl)
342#ifndef CONSTRUCTORUSINGSHADOW
343#  define CONSTRUCTORUSINGSHADOW(Type, Base) USINGSHADOW(Type, Base)
344#endif
345CONSTRUCTORUSINGSHADOW(ConstructorUsingShadow, UsingShadowDecl)
346#undef CONSTRUCTORUSINGSHADOW
347 
348DECL_RANGE(UsingShadow, UsingShadow, ConstructorUsingShadow)
349 
350#undef USINGSHADOW
351 
352#ifndef VALUE
353#  define VALUE(Type, Base) NAMED(Type, Base)
354#endif
355ABSTRACT_DECL(VALUE(Value, NamedDecl))
356#ifndef BINDING
357#  define BINDING(Type, Base) VALUE(Type, Base)
358#endif
359BINDING(Binding, ValueDecl)
360#undef BINDING
361 
362#ifndef DECLARATOR
363#  define DECLARATOR(Type, Base) VALUE(Type, Base)
364#endif
365ABSTRACT_DECL(DECLARATOR(Declarator, ValueDecl))
366#ifndef FIELD
367#  define FIELD(Type, Base) DECLARATOR(Type, Base)
368#endif
369FIELD(Field, DeclaratorDecl)
370#ifndef OBJCATDEFSFIELD
371#  define OBJCATDEFSFIELD(Type, Base) FIELD(Type, Base)
372#endif
373OBJCATDEFSFIELD(ObjCAtDefsField, FieldDecl)
374#undef OBJCATDEFSFIELD
375 
376#ifndef OBJCIVAR
377#  define OBJCIVAR(Type, Base) FIELD(Type, Base)
378#endif
379OBJCIVAR(ObjCIvar, FieldDecl)
380#undef OBJCIVAR
381 
382DECL_RANGE(Field, Field, ObjCIvar)
383 
384#undef FIELD
385 
386#ifndef FUNCTION
387#  define FUNCTION(Type, Base) DECLARATOR(Type, Base)
388#endif
389FUNCTION(Function, DeclaratorDecl)
390#ifndef CXXDEDUCTIONGUIDE
391#  define CXXDEDUCTIONGUIDE(Type, Base) FUNCTION(Type, Base)
392#endif
393CXXDEDUCTIONGUIDE(CXXDeductionGuide, FunctionDecl)
394#undef CXXDEDUCTIONGUIDE
395 
396#ifndef CXXMETHOD
397#  define CXXMETHOD(Type, Base) FUNCTION(Type, Base)
398#endif
399CXXMETHOD(CXXMethod, FunctionDecl)
400#ifndef CXXCONSTRUCTOR
401#  define CXXCONSTRUCTOR(Type, Base) CXXMETHOD(Type, Base)
402#endif
403CXXCONSTRUCTOR(CXXConstructor, CXXMethodDecl)
404#undef CXXCONSTRUCTOR
405 
406#ifndef CXXCONVERSION
407#  define CXXCONVERSION(Type, Base) CXXMETHOD(Type, Base)
408#endif
409CXXCONVERSION(CXXConversion, CXXMethodDecl)
410#undef CXXCONVERSION
411 
412#ifndef CXXDESTRUCTOR
413#  define CXXDESTRUCTOR(Type, Base) CXXMETHOD(Type, Base)
414#endif
415CXXDESTRUCTOR(CXXDestructor, CXXMethodDecl)
416#undef CXXDESTRUCTOR
417 
418DECL_RANGE(CXXMethod, CXXMethod, CXXDestructor)
419 
420#undef CXXMETHOD
421 
422DECL_RANGE(Function, Function, CXXDestructor)
423 
424#undef FUNCTION
425 
426#ifndef MSPROPERTY
427#  define MSPROPERTY(Type, Base) DECLARATOR(Type, Base)
428#endif
429MSPROPERTY(MSProperty, DeclaratorDecl)
430#undef MSPROPERTY
431 
432#ifndef NONTYPETEMPLATEPARM
433#  define NONTYPETEMPLATEPARM(Type, Base) DECLARATOR(Type, Base)
434#endif
435NONTYPETEMPLATEPARM(NonTypeTemplateParm, DeclaratorDecl)
436#undef NONTYPETEMPLATEPARM
437 
438#ifndef VAR
439#  define VAR(Type, Base) DECLARATOR(Type, Base)
440#endif
441VAR(Var, DeclaratorDecl)
442#ifndef DECOMPOSITION
443#  define DECOMPOSITION(Type, Base) VAR(Type, Base)
444#endif
445DECOMPOSITION(Decomposition, VarDecl)
446#undef DECOMPOSITION
447 
448#ifndef IMPLICITPARAM
449#  define IMPLICITPARAM(Type, Base) VAR(Type, Base)
450#endif
451IMPLICITPARAM(ImplicitParam, VarDecl)
452#undef IMPLICITPARAM
453 
454#ifndef OMPCAPTUREDEXPR
455#  define OMPCAPTUREDEXPR(Type, Base) VAR(Type, Base)
456#endif
457OMPCAPTUREDEXPR(OMPCapturedExpr, VarDecl)
458#undef OMPCAPTUREDEXPR
459 
460#ifndef PARMVAR
461#  define PARMVAR(Type, Base) VAR(Type, Base)
462#endif
463PARMVAR(ParmVar, VarDecl)
464#undef PARMVAR
465 
466#ifndef VARTEMPLATESPECIALIZATION
467#  define VARTEMPLATESPECIALIZATION(Type, Base) VAR(Type, Base)
468#endif
469VARTEMPLATESPECIALIZATION(VarTemplateSpecialization, VarDecl)
470#ifndef VARTEMPLATEPARTIALSPECIALIZATION
471#  define VARTEMPLATEPARTIALSPECIALIZATION(Type, Base) VARTEMPLATESPECIALIZATION(Type, Base)
472#endif
473VARTEMPLATEPARTIALSPECIALIZATION(VarTemplatePartialSpecialization, VarTemplateSpecializationDecl)
474#undef VARTEMPLATEPARTIALSPECIALIZATION
475 
476DECL_RANGE(VarTemplateSpecialization, VarTemplateSpecialization, VarTemplatePartialSpecialization)
477 
478#undef VARTEMPLATESPECIALIZATION
479 
480DECL_RANGE(Var, Var, VarTemplatePartialSpecialization)
481 
482#undef VAR
483 
484DECL_RANGE(Declarator, Field, VarTemplatePartialSpecialization)
485 
486#undef DECLARATOR
487 
488#ifndef ENUMCONSTANT
489#  define ENUMCONSTANT(Type, Base) VALUE(Type, Base)
490#endif
491ENUMCONSTANT(EnumConstant, ValueDecl)
492#undef ENUMCONSTANT
493 
494#ifndef INDIRECTFIELD
495#  define INDIRECTFIELD(Type, Base) VALUE(Type, Base)
496#endif
497INDIRECTFIELD(IndirectField, ValueDecl)
498#undef INDIRECTFIELD
499 
500#ifndef OMPDECLAREREDUCTION
501#  define OMPDECLAREREDUCTION(Type, Base) VALUE(Type, Base)
502#endif
503OMPDECLAREREDUCTION(OMPDeclareReduction, ValueDecl)
504#undef OMPDECLAREREDUCTION
505 
506#ifndef UNRESOLVEDUSINGVALUE
507#  define UNRESOLVEDUSINGVALUE(Type, Base) VALUE(Type, Base)
508#endif
509UNRESOLVEDUSINGVALUE(UnresolvedUsingValue, ValueDecl)
510#undef UNRESOLVEDUSINGVALUE
511 
512DECL_RANGE(Value, Binding, UnresolvedUsingValue)
513 
514#undef VALUE
515 
516DECL_RANGE(Named, Label, UnresolvedUsingValue)
517 
518#undef NAMED
519 
520#ifndef OMPTHREADPRIVATE
521#  define OMPTHREADPRIVATE(Type, Base) DECL(Type, Base)
522#endif
523OMPTHREADPRIVATE(OMPThreadPrivate, Decl)
524#undef OMPTHREADPRIVATE
525 
526#ifndef OBJCPROPERTYIMPL
527#  define OBJCPROPERTYIMPL(Type, Base) DECL(Type, Base)
528#endif
529OBJCPROPERTYIMPL(ObjCPropertyImpl, Decl)
17
←
Within the expansion of the macro 'OBJCPROPERTYIMPL':
→
a
Calling 'ASTNodeImporter::VisitObjCPropertyImplDecl'
530#undef OBJCPROPERTYIMPL
531 
532#ifndef PRAGMACOMMENT
533#  define PRAGMACOMMENT(Type, Base) DECL(Type, Base)
534#endif
535PRAGMACOMMENT(PragmaComment, Decl)
536#undef PRAGMACOMMENT
537 
538#ifndef PRAGMADETECTMISMATCH
539#  define PRAGMADETECTMISMATCH(Type, Base) DECL(Type, Base)
540#endif
541PRAGMADETECTMISMATCH(PragmaDetectMismatch, Decl)
542#undef PRAGMADETECTMISMATCH
543 
544#ifndef STATICASSERT
545#  define STATICASSERT(Type, Base) DECL(Type, Base)
546#endif
547STATICASSERT(StaticAssert, Decl)
548#undef STATICASSERT
549 
550#ifndef TRANSLATIONUNIT
551#  define TRANSLATIONUNIT(Type, Base) DECL(Type, Base)
552#endif
553TRANSLATIONUNIT(TranslationUnit, Decl)
554#undef TRANSLATIONUNIT
555 
556LAST_DECL_RANGE(Decl, AccessSpec, TranslationUnit)
557 
558#undef DECL
559#undef DECL_RANGE
560#undef LAST_DECL_RANGE
561#undef ABSTRACT_DECL
562/*===- TableGen'erated file -------------------------------------*- C++ -*-===*\
563|*                                                                            *|
564|* List of AST Decl nodes                                                     *|
565|*                                                                            *|
566|* Automatically generated file, do not edit!                                 *|
567|*                                                                            *|
568\*===----------------------------------------------------------------------===*/
569 
570#ifndef DECL_CONTEXT
571#  define DECL_CONTEXT(DECL)
572#endif
573#ifndef DECL_CONTEXT_BASE
574#  define DECL_CONTEXT_BASE(DECL) DECL_CONTEXT(DECL)
575#endif
576DECL_CONTEXT_BASE(Function)
577DECL_CONTEXT_BASE(Tag)
578DECL_CONTEXT_BASE(ObjCContainer)
579DECL_CONTEXT(Block)
580DECL_CONTEXT(Captured)
581DECL_CONTEXT(Export)
582DECL_CONTEXT(ExternCContext)
583DECL_CONTEXT(LinkageSpec)
584DECL_CONTEXT(Namespace)
585DECL_CONTEXT(OMPDeclareReduction)
586DECL_CONTEXT(ObjCMethod)
587DECL_CONTEXT(TranslationUnit)
588#undef DECL_CONTEXT
589#undef DECL_CONTEXT_BASE