| //===- ASTImporter.cpp - Importing ASTs from other Contexts ---------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines the ASTImporter class which imports AST nodes from one |
| // context into another context. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "clang/AST/ASTImporter.h" |
| #include "clang/AST/ASTContext.h" |
| #include "clang/AST/ASTDiagnostic.h" |
| #include "clang/AST/ASTStructuralEquivalence.h" |
| #include "clang/AST/Attr.h" |
| #include "clang/AST/Decl.h" |
| #include "clang/AST/DeclAccessPair.h" |
| #include "clang/AST/DeclBase.h" |
| #include "clang/AST/DeclCXX.h" |
| #include "clang/AST/DeclFriend.h" |
| #include "clang/AST/DeclGroup.h" |
| #include "clang/AST/DeclObjC.h" |
| #include "clang/AST/DeclTemplate.h" |
| #include "clang/AST/DeclVisitor.h" |
| #include "clang/AST/DeclarationName.h" |
| #include "clang/AST/Expr.h" |
| #include "clang/AST/ExprCXX.h" |
| #include "clang/AST/ExprObjC.h" |
| #include "clang/AST/ExternalASTSource.h" |
| #include "clang/AST/LambdaCapture.h" |
| #include "clang/AST/NestedNameSpecifier.h" |
| #include "clang/AST/OperationKinds.h" |
| #include "clang/AST/Stmt.h" |
| #include "clang/AST/StmtCXX.h" |
| #include "clang/AST/StmtObjC.h" |
| #include "clang/AST/StmtVisitor.h" |
| #include "clang/AST/TemplateBase.h" |
| #include "clang/AST/TemplateName.h" |
| #include "clang/AST/Type.h" |
| #include "clang/AST/TypeLoc.h" |
| #include "clang/AST/TypeVisitor.h" |
| #include "clang/AST/UnresolvedSet.h" |
| #include "clang/Basic/ExceptionSpecificationType.h" |
| #include "clang/Basic/FileManager.h" |
| #include "clang/Basic/IdentifierTable.h" |
| #include "clang/Basic/LLVM.h" |
| #include "clang/Basic/LangOptions.h" |
| #include "clang/Basic/SourceLocation.h" |
| #include "clang/Basic/SourceManager.h" |
| #include "clang/Basic/Specifiers.h" |
| #include "llvm/ADT/APSInt.h" |
| #include "llvm/ADT/ArrayRef.h" |
| #include "llvm/ADT/DenseMap.h" |
| #include "llvm/ADT/None.h" |
| #include "llvm/ADT/Optional.h" |
| #include "llvm/ADT/STLExtras.h" |
| #include "llvm/ADT/SmallVector.h" |
| #include "llvm/Support/Casting.h" |
| #include "llvm/Support/ErrorHandling.h" |
| #include "llvm/Support/MemoryBuffer.h" |
| #include <algorithm> |
| #include <cassert> |
| #include <cstddef> |
| #include <memory> |
| #include <type_traits> |
| #include <utility> |
| |
| namespace clang { |
| |
| template <class T> |
| SmallVector<Decl*, 2> |
| getCanonicalForwardRedeclChain(Redeclarable<T>* D) { |
| SmallVector<Decl*, 2> Redecls; |
| for (auto *R : D->getFirstDecl()->redecls()) { |
| if (R != D->getFirstDecl()) |
| Redecls.push_back(R); |
| } |
| Redecls.push_back(D->getFirstDecl()); |
| std::reverse(Redecls.begin(), Redecls.end()); |
| return Redecls; |
| } |
| |
| SmallVector<Decl*, 2> getCanonicalForwardRedeclChain(Decl* D) { |
| // Currently only FunctionDecl is supported |
| auto FD = cast<FunctionDecl>(D); |
| return getCanonicalForwardRedeclChain<FunctionDecl>(FD); |
| } |
| |
| void updateFlags(const Decl *From, Decl *To) { |
| // Check if some flags or attrs are new in 'From' and copy into 'To'. |
| // FIXME: Other flags or attrs? |
| if (From->isUsed(false) && !To->isUsed(false)) |
| To->setIsUsed(); |
| } |
| |
| class ASTNodeImporter : public TypeVisitor<ASTNodeImporter, QualType>, |
| public DeclVisitor<ASTNodeImporter, Decl *>, |
| public StmtVisitor<ASTNodeImporter, Stmt *> { |
| ASTImporter &Importer; |
| |
| // Wrapper for an overload set. |
| template <typename ToDeclT> struct CallOverloadedCreateFun { |
| template <typename... Args> |
| auto operator()(Args &&... args) |
| -> decltype(ToDeclT::Create(std::forward<Args>(args)...)) { |
| return ToDeclT::Create(std::forward<Args>(args)...); |
| } |
| }; |
| |
| // Always use these functions to create a Decl during import. There are |
| // certain tasks which must be done after the Decl was created, e.g. we |
| // must immediately register that as an imported Decl. The parameter `ToD` |
| // will be set to the newly created Decl or if had been imported before |
| // then to the already imported Decl. Returns a bool value set to true if |
| // the `FromD` had been imported before. |
| template <typename ToDeclT, typename FromDeclT, typename... Args> |
| LLVM_NODISCARD bool GetImportedOrCreateDecl(ToDeclT *&ToD, FromDeclT *FromD, |
| Args &&... args) { |
| // There may be several overloads of ToDeclT::Create. We must make sure |
| // to call the one which would be chosen by the arguments, thus we use a |
| // wrapper for the overload set. |
| CallOverloadedCreateFun<ToDeclT> OC; |
| return GetImportedOrCreateSpecialDecl(ToD, OC, FromD, |
| std::forward<Args>(args)...); |
| } |
| // Use this overload if a special Type is needed to be created. E.g if we |
| // want to create a `TypeAliasDecl` and assign that to a `TypedefNameDecl` |
| // then: |
| // TypedefNameDecl *ToTypedef; |
| // GetImportedOrCreateDecl<TypeAliasDecl>(ToTypedef, FromD, ...); |
| template <typename NewDeclT, typename ToDeclT, typename FromDeclT, |
| typename... Args> |
| LLVM_NODISCARD bool GetImportedOrCreateDecl(ToDeclT *&ToD, FromDeclT *FromD, |
| Args &&... args) { |
| CallOverloadedCreateFun<NewDeclT> OC; |
| return GetImportedOrCreateSpecialDecl(ToD, OC, FromD, |
| std::forward<Args>(args)...); |
| } |
| // Use this version if a special create function must be |
| // used, e.g. CXXRecordDecl::CreateLambda . |
| template <typename ToDeclT, typename CreateFunT, typename FromDeclT, |
| typename... Args> |
| LLVM_NODISCARD bool |
| GetImportedOrCreateSpecialDecl(ToDeclT *&ToD, CreateFunT CreateFun, |
| FromDeclT *FromD, Args &&... args) { |
| ToD = cast_or_null<ToDeclT>(Importer.GetAlreadyImportedOrNull(FromD)); |
| if (ToD) |
| return true; // Already imported. |
| ToD = CreateFun(std::forward<Args>(args)...); |
| InitializeImportedDecl(FromD, ToD); |
| return false; // A new Decl is created. |
| } |
| |
| void InitializeImportedDecl(Decl *FromD, Decl *ToD) { |
| Importer.MapImported(FromD, ToD); |
| ToD->IdentifierNamespace = FromD->IdentifierNamespace; |
| if (FromD->hasAttrs()) |
| for (const Attr *FromAttr : FromD->getAttrs()) |
| ToD->addAttr(Importer.Import(FromAttr)); |
| if (FromD->isUsed()) |
| ToD->setIsUsed(); |
| if (FromD->isImplicit()) |
| ToD->setImplicit(); |
| } |
| |
| 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); |
| QualType VisitDependentNameType(const DependentNameType *T); |
| 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); |
| void ImportImplicitMethods(const CXXRecordDecl *From, CXXRecordDecl *To); |
| |
| bool ImportCastPath(CastExpr *E, CXXCastPath &Path); |
| |
| using Designator = DesignatedInitExpr::Designator; |
| |
| Designator ImportDesignator(const Designator &D); |
| |
| Optional<LambdaCapture> ImportLambdaCapture(const LambdaCapture &From); |
| |
| /// What we should import from the definition. |
| enum ImportDefinitionKind { |
| /// 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, |
| |
| /// Import everything. |
| IDK_Everything, |
| |
| /// 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); |
| |
| using TemplateArgsTy = SmallVector<TemplateArgument, 8>; |
| using OptionalTemplateArgsTy = Optional<TemplateArgsTy>; |
| std::tuple<FunctionTemplateDecl *, OptionalTemplateArgsTy> |
| ImportFunctionTemplateWithTemplateArgsFromSpecialization( |
| FunctionDecl *FromFD); |
| |
| bool ImportTemplateInformation(FunctionDecl *FromFD, FunctionDecl *ToFD); |
| |
| bool IsStructuralMatch(Decl *From, Decl *To, bool Complain); |
| 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(FunctionDecl *From, FunctionDecl *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 *VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E); |
| Expr *VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *CE); |
| Expr *VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E); |
| Expr *VisitUnresolvedMemberExpr(UnresolvedMemberExpr *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 *VisitCXXStdInitializerListExpr(CXXStdInitializerListExpr *E); |
| Expr *VisitCXXInheritedCtorInitExpr(CXXInheritedCtorInitExpr *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); |
| |
| FunctionDecl *FindFunctionTemplateSpecialization(FunctionDecl *FromFD); |
| }; |
| |
| template <typename InContainerTy> |
| bool 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; |
| } |
| |
| template <> |
| bool ASTNodeImporter::ImportTemplateArgumentListInfo<TemplateArgumentListInfo>( |
| const TemplateArgumentListInfo &From, TemplateArgumentListInfo &Result) { |
| return ImportTemplateArgumentListInfo( |
| From.getLAngleLoc(), From.getRAngleLoc(), From.arguments(), Result); |
| } |
| |
| template <> |
| bool ASTNodeImporter::ImportTemplateArgumentListInfo< |
| ASTTemplateArgumentListInfo>(const ASTTemplateArgumentListInfo &From, |
| TemplateArgumentListInfo &Result) { |
| return ImportTemplateArgumentListInfo(From.LAngleLoc, From.RAngleLoc, |
| From.arguments(), Result); |
| } |
| |
| std::tuple<FunctionTemplateDecl *, ASTNodeImporter::OptionalTemplateArgsTy> |
| ASTNodeImporter::ImportFunctionTemplateWithTemplateArgsFromSpecialization( |
| FunctionDecl *FromFD) { |
| assert(FromFD->getTemplatedKind() == |
| FunctionDecl::TK_FunctionTemplateSpecialization); |
| auto *FTSInfo = FromFD->getTemplateSpecializationInfo(); |
| auto *Template = cast_or_null<FunctionTemplateDecl>( |
| Importer.Import(FTSInfo->getTemplate())); |
| |
| // Import template arguments. |
| auto TemplArgs = FTSInfo->TemplateArguments->asArray(); |
| TemplateArgsTy ToTemplArgs; |
| if (ImportTemplateArguments(TemplArgs.data(), TemplArgs.size(), |
| ToTemplArgs)) // Error during import. |
| return std::make_tuple(Template, OptionalTemplateArgsTy()); |
| |
| return std::make_tuple(Template, ToTemplArgs); |
| } |
| |
| } // namespace clang |
| |
| //---------------------------------------------------------------------------- |
| // Import Types |
| //---------------------------------------------------------------------------- |
| |
| using namespace clang; |
| |
| QualType ASTNodeImporter::VisitType(const Type *T) { |
| Importer.FromDiag(SourceLocation(), diag::err_unsupported_ast_node) |
| << T->getTypeClassName(); |
| return {}; |
| } |
| |
| QualType ASTNodeImporter::VisitAtomicType(const AtomicType *T){ |
| QualType UnderlyingType = Importer.Import(T->getValueType()); |
| if(UnderlyingType.isNull()) |
| return {}; |
| |
| return Importer.getToContext().getAtomicType(UnderlyingType); |
| } |
| |
| QualType ASTNodeImporter::VisitBuiltinType(const BuiltinType *T) { |
| switch (T->getKind()) { |
| #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \ |
| case BuiltinType::Id: \ |
| return Importer.getToContext().SingletonId; |
| #include "clang/Basic/OpenCLImageTypes.def" |
| #define SHARED_SINGLETON_TYPE(Expansion) |
| #define BUILTIN_TYPE(Id, SingletonId) \ |
| case BuiltinType::Id: return Importer.getToContext().SingletonId; |
| #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!"); |
| } |
| |
| QualType ASTNodeImporter::VisitDecayedType(const DecayedType *T) { |
| QualType OrigT = Importer.Import(T->getOriginalType()); |
| if (OrigT.isNull()) |
| return {}; |
| |
| return Importer.getToContext().getDecayedType(OrigT); |
| } |
| |
| QualType ASTNodeImporter::VisitComplexType(const ComplexType *T) { |
| QualType ToElementType = Importer.Import(T->getElementType()); |
| if (ToElementType.isNull()) |
| return {}; |
| |
| return Importer.getToContext().getComplexType(ToElementType); |
| } |
| |
| QualType ASTNodeImporter::VisitPointerType(const PointerType *T) { |
| QualType ToPointeeType = Importer.Import(T->getPointeeType()); |
| if (ToPointeeType.isNull()) |
| return {}; |
| |
| return Importer.getToContext().getPointerType(ToPointeeType); |
| } |
| |
| QualType 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); |
| } |
| |
| QualType |
| ASTNodeImporter::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); |
| } |
| |
| QualType |
| ASTNodeImporter::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); |
| } |
| |
| QualType 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()); |
| } |
| |
| QualType 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()); |
| } |
| |
| QualType |
| ASTNodeImporter::VisitIncompleteArrayType(const IncompleteArrayType *T) { |
| QualType ToElementType = Importer.Import(T->getElementType()); |
| if (ToElementType.isNull()) |
| return {}; |
| |
| return Importer.getToContext().getIncompleteArrayType(ToElementType, |
| T->getSizeModifier(), |
| T->getIndexTypeCVRQualifiers()); |
| } |
| |
| QualType 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); |
| } |
| |
| QualType 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); |
| } |
| |
| QualType ASTNodeImporter::VisitVectorType(const VectorType *T) { |
| QualType ToElementType = Importer.Import(T->getElementType()); |
| if (ToElementType.isNull()) |
| return {}; |
| |
| return Importer.getToContext().getVectorType(ToElementType, |
| T->getNumElements(), |
| T->getVectorKind()); |
| } |
| |
| QualType ASTNodeImporter::VisitExtVectorType(const ExtVectorType *T) { |
| QualType ToElementType = Importer.Import(T->getElementType()); |
| if (ToElementType.isNull()) |
| return {}; |
| |
| return Importer.getToContext().getExtVectorType(ToElementType, |
| T->getNumElements()); |
| } |
| |
| QualType |
| ASTNodeImporter::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()); |
| } |
| |
| QualType 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); |
| } |
| |
| QualType 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); |
| } |
| |
| QualType ASTNodeImporter::VisitParenType(const ParenType *T) { |
| QualType ToInnerType = Importer.Import(T->getInnerType()); |
| if (ToInnerType.isNull()) |
| return {}; |
| |
| return Importer.getToContext().getParenType(ToInnerType); |
| } |
| |
| QualType ASTNodeImporter::VisitTypedefType(const TypedefType *T) { |
| auto *ToDecl = |
| dyn_cast_or_null<TypedefNameDecl>(Importer.Import(T->getDecl())); |
| if (!ToDecl) |
| return {}; |
| |
| return Importer.getToContext().getTypeDeclType(ToDecl); |
| } |
| |
| QualType ASTNodeImporter::VisitTypeOfExprType(const TypeOfExprType *T) { |
| Expr *ToExpr = Importer.Import(T->getUnderlyingExpr()); |
| if (!ToExpr) |
| return {}; |
| |
| return Importer.getToContext().getTypeOfExprType(ToExpr); |
| } |
| |
| QualType ASTNodeImporter::VisitTypeOfType(const TypeOfType *T) { |
| QualType ToUnderlyingType = Importer.Import(T->getUnderlyingType()); |
| if (ToUnderlyingType.isNull()) |
| return {}; |
| |
| return Importer.getToContext().getTypeOfType(ToUnderlyingType); |
| } |
| |
| QualType 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); |
| } |
| |
| QualType 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()); |
| } |
| |
| QualType 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); |
| } |
| |
| QualType 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); |
| } |
| |
| QualType ASTNodeImporter::VisitRecordType(const RecordType *T) { |
| auto *ToDecl = dyn_cast_or_null<RecordDecl>(Importer.Import(T->getDecl())); |
| if (!ToDecl) |
| return {}; |
| |
| return Importer.getToContext().getTagDeclType(ToDecl); |
| } |
| |
| QualType ASTNodeImporter::VisitEnumType(const EnumType *T) { |
| auto *ToDecl = dyn_cast_or_null<EnumDecl>(Importer.Import(T->getDecl())); |
| if (!ToDecl) |
| return {}; |
| |
| return Importer.getToContext().getTagDeclType(ToDecl); |
| } |
| |
| QualType 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); |
| } |
| |
| QualType 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); |
| } |
| |
| QualType 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); |
| } |
| |
| QualType 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); |
| } |
| |
| QualType 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 {}; |
| |
| TagDecl *OwnedTagDecl = |
| cast_or_null<TagDecl>(Importer.Import(T->getOwnedTagDecl())); |
| if (!OwnedTagDecl && T->getOwnedTagDecl()) |
| return {}; |
| |
| return Importer.getToContext().getElaboratedType(T->getKeyword(), |
| ToQualifier, ToNamedType, |
| OwnedTagDecl); |
| } |
| |
| QualType ASTNodeImporter::VisitPackExpansionType(const PackExpansionType *T) { |
| QualType Pattern = Importer.Import(T->getPattern()); |
| if (Pattern.isNull()) |
| return {}; |
| |
| return Importer.getToContext().getPackExpansionType(Pattern, |
| T->getNumExpansions()); |
| } |
| |
| QualType 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); |
| } |
| |
| QualType ASTNodeImporter::VisitDependentNameType(const DependentNameType *T) { |
| NestedNameSpecifier *NNS = Importer.Import(T->getQualifier()); |
| if (!NNS && T->getQualifier()) |
| return QualType(); |
| |
| IdentifierInfo *Name = Importer.Import(T->getIdentifier()); |
| if (!Name && T->getIdentifier()) |
| return QualType(); |
| |
| QualType Canon = (T == T->getCanonicalTypeInternal().getTypePtr()) |
| ? QualType() |
| : Importer.Import(T->getCanonicalTypeInternal()); |
| if (!Canon.isNull()) |
| Canon = Canon.getCanonicalType(); |
| |
| return Importer.getToContext().getDependentNameType(T->getKeyword(), NNS, |
| Name, Canon); |
| } |
| |
| QualType ASTNodeImporter::VisitObjCInterfaceType(const ObjCInterfaceType *T) { |
| auto *Class = |
| dyn_cast_or_null<ObjCInterfaceDecl>(Importer.Import(T->getDecl())); |
| if (!Class) |
| return {}; |
| |
| return Importer.getToContext().getObjCInterfaceType(Class); |
| } |
| |
| QualType 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()); |
| } |
| |
| QualType |
| ASTNodeImporter::VisitObjCObjectPointerType(const ObjCObjectPointerType *T) { |
| QualType ToPointeeType = Importer.Import(T->getPointeeType()); |
| if (ToPointeeType.isNull()) |
| return {}; |
| |
| return Importer.getToContext().getObjCObjectPointerType(ToPointeeType); |
| } |
| |
| //---------------------------------------------------------------------------- |
| // Import Declarations |
| //---------------------------------------------------------------------------- |
| bool ASTNodeImporter::ImportDeclParts(NamedDecl *D, DeclContext *&DC, |
| DeclContext *&LexicalDC, |
| DeclarationName &Name, |
| NamedDecl *&ToD, |
| SourceLocation &Loc) { |
| // Check if RecordDecl is in FunctionDecl parameters to avoid infinite loop. |
| // example: int struct_in_proto(struct data_t{int a;int b;} *d); |
| DeclContext *OrigDC = D->getDeclContext(); |
| FunctionDecl *FunDecl; |
| if (isa<RecordDecl>(D) && (FunDecl = dyn_cast<FunctionDecl>(OrigDC)) && |
| FunDecl->hasBody()) { |
| SourceRange RecR = D->getSourceRange(); |
| SourceRange BodyR = FunDecl->getBody()->getSourceRange(); |
| // If RecordDecl is not in Body (it is a param), we bail out. |
| if (RecR.isValid() && BodyR.isValid() && |
| (RecR.getBegin() < BodyR.getBegin() || |
| BodyR.getEnd() < RecR.getEnd())) { |
| Importer.FromDiag(D->getLocation(), diag::err_unsupported_ast_node) |
| << D->getDeclKindName(); |
| return true; |
| } |
| } |
| |
| // Import the context of this declaration. |
| DC = Importer.ImportContext(OrigDC); |
| 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; |
| } |
| |
| void 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; |
| } |
| } |
| |
| void |
| ASTNodeImporter::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."); |
| } |
| |
| void ASTNodeImporter::ImportDeclContext(DeclContext *FromDC, bool ForceImport) { |
| if (Importer.isMinimalImport() && !ForceImport) { |
| Importer.ImportContext(FromDC); |
| return; |
| } |
| |
| for (auto *From : FromDC->decls()) |
| Importer.Import(From); |
| } |
| |
| void ASTNodeImporter::ImportImplicitMethods( |
| const CXXRecordDecl *From, CXXRecordDecl *To) { |
| assert(From->isCompleteDefinition() && To->getDefinition() == To && |
| "Import implicit methods to or from non-definition"); |
| |
| for (CXXMethodDecl *FromM : From->methods()) |
| if (FromM->isImplicit()) |
| Importer.Import(FromM); |
| } |
| |
| static void setTypedefNameForAnonDecl(TagDecl *From, TagDecl *To, |
| ASTImporter &Importer) { |
| if (TypedefNameDecl *FromTypedef = From->getTypedefNameForAnonDecl()) { |
| auto *ToTypedef = |
| cast_or_null<TypedefNameDecl>(Importer.Import(FromTypedef)); |
| assert (ToTypedef && "Failed to import typedef of an anonymous structure"); |
| |
| To->setTypedefNameForAnonDecl(ToTypedef); |
| } |
| } |
| |
| bool 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(); |
| |
| setTypedefNameForAnonDecl(From, To, Importer); |
| |
| // 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; |
| } |
| |
| bool 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; |
| } |
| |
| bool 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(); |
| |
| setTypedefNameForAnonDecl(From, To, Importer); |
| |
| 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; |
| } |
| |
| TemplateParameterList *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); |
| } |
| |
| TemplateArgument |
| ASTNodeImporter::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"); |
| } |
| |
| Optional<TemplateArgumentLoc> |
| ASTNodeImporter::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); |
| } |
| |
| bool 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; |
| } |
| |
| // We cannot use Optional<> pattern here and below because |
| // TemplateArgumentListInfo's operator new is declared as deleted so it cannot |
| // be stored in Optional. |
| template <typename InContainerTy> |
| bool 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; |
| } |
| |
| static StructuralEquivalenceKind |
| getStructuralEquivalenceKind(const ASTImporter &Importer) { |
| return Importer.isMinimalImport() ? StructuralEquivalenceKind::Minimal |
| : StructuralEquivalenceKind::Default; |
| } |
| |
| bool ASTNodeImporter::IsStructuralMatch(Decl *From, Decl *To, bool Complain) { |
| StructuralEquivalenceContext Ctx( |
| Importer.getFromContext(), Importer.getToContext(), |
| Importer.getNonEquivalentDecls(), getStructuralEquivalenceKind(Importer), |
| false, Complain); |
| return Ctx.IsEquivalent(From, To); |
| } |
| |
| bool 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(), |
| getStructuralEquivalenceKind(Importer), |
| false, Complain); |
| return Ctx.IsEquivalent(FromRecord, ToRecord); |
| } |
| |
| bool ASTNodeImporter::IsStructuralMatch(VarDecl *FromVar, VarDecl *ToVar, |
| bool Complain) { |
| StructuralEquivalenceContext Ctx( |
| Importer.getFromContext(), Importer.getToContext(), |
| Importer.getNonEquivalentDecls(), getStructuralEquivalenceKind(Importer), |
| false, Complain); |
| return Ctx.IsEquivalent(FromVar, ToVar); |
| } |
| |
| bool ASTNodeImporter::IsStructuralMatch(EnumDecl *FromEnum, EnumDecl *ToEnum) { |
| StructuralEquivalenceContext Ctx( |
| Importer.getFromContext(), Importer.getToContext(), |
| Importer.getNonEquivalentDecls(), getStructuralEquivalenceKind(Importer)); |
| return Ctx.IsEquivalent(FromEnum, ToEnum); |
| } |
| |
| bool ASTNodeImporter::IsStructuralMatch(FunctionTemplateDecl *From, |
| FunctionTemplateDecl *To) { |
| StructuralEquivalenceContext Ctx( |
| Importer.getFromContext(), Importer.getToContext(), |
| Importer.getNonEquivalentDecls(), getStructuralEquivalenceKind(Importer), |
| false, false); |
| return Ctx.IsEquivalent(From, To); |
| } |
| |
| bool ASTNodeImporter::IsStructuralMatch(FunctionDecl *From, FunctionDecl *To) { |
| StructuralEquivalenceContext Ctx( |
| Importer.getFromContext(), Importer.getToContext(), |
| Importer.getNonEquivalentDecls(), getStructuralEquivalenceKind(Importer), |
| false, false); |
| return Ctx.IsEquivalent(From, To); |
| } |
| |
| bool 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; |
| } |
| |
| bool ASTNodeImporter::IsStructuralMatch(ClassTemplateDecl *From, |
| ClassTemplateDecl *To) { |
| StructuralEquivalenceContext Ctx(Importer.getFromContext(), |
| Importer.getToContext(), |
| Importer.getNonEquivalentDecls(), |
| getStructuralEquivalenceKind(Importer)); |
| return Ctx.IsEquivalent(From, To); |
| } |
| |
| bool ASTNodeImporter::IsStructuralMatch(VarTemplateDecl *From, |
| VarTemplateDecl *To) { |
| StructuralEquivalenceContext Ctx(Importer.getFromContext(), |
| Importer.getToContext(), |
| Importer.getNonEquivalentDecls(), |
| getStructuralEquivalenceKind(Importer)); |
| return Ctx.IsEquivalent(From, To); |
| } |
| |
| Decl *ASTNodeImporter::VisitDecl(Decl *D) { |
| Importer.FromDiag(D->getLocation(), diag::err_unsupported_ast_node) |
| << D->getDeclKindName(); |
| return nullptr; |
| } |
| |
| Decl *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; |
| if (GetImportedOrCreateDecl(ToD, D, Importer.getToContext(), DC, Loc)) |
| return ToD; |
| |
| ToD->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(ToD); |
| return ToD; |
| } |
| |
| Decl *ASTNodeImporter::VisitTranslationUnitDecl(TranslationUnitDecl *D) { |
| TranslationUnitDecl *ToD = |
| Importer.getToContext().getTranslationUnitDecl(); |
| |
| Importer.MapImported(D, ToD); |
| |
| return ToD; |
| } |
| |
| Decl *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 *ToD; |
| if (GetImportedOrCreateDecl(ToD, D, Importer.getToContext(), D->getAccess(), |
| DC, Loc, ColonLoc)) |
| return ToD; |
| |
| // Lexical DeclContext and Semantic DeclContext |
| // is always the same for the accessSpec. |
| ToD->setLexicalDeclContext(DC); |
| DC->addDeclInternal(ToD); |
| |
| return ToD; |
| } |
| |
| Decl *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; |
| if (GetImportedOrCreateDecl( |
| ToD, D, Importer.getToContext(), DC, Loc, AssertExpr, ToMsg, |
| Importer.Import(D->getRParenLoc()), D->isFailed())) |
| return ToD; |
| |
| ToD->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(ToD); |
| return ToD; |
| } |
| |
| Decl *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) { |
| if (GetImportedOrCreateDecl( |
| ToNamespace, D, Importer.getToContext(), DC, D->isInline(), |
| Importer.Import(D->getLocStart()), Loc, Name.getAsIdentifierInfo(), |
| /*PrevDecl=*/nullptr)) |
| return ToNamespace; |
| 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.MapImported(D, ToNamespace); |
| |
| ImportDeclContext(D); |
| |
| return ToNamespace; |
| } |
| |
| Decl *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; |
| if (GetImportedOrCreateDecl(ToD, D, Importer.getToContext(), DC, |
| Importer.Import(D->getNamespaceLoc()), |
| Importer.Import(D->getAliasLoc()), ToII, ToQLoc, |
| Importer.Import(D->getTargetNameLoc()), |
| TargetDecl)) |
| return ToD; |
| |
| ToD->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(ToD); |
| |
| return ToD; |
| } |
| |
| Decl *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.MapImported(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) { |
| if (GetImportedOrCreateDecl<TypeAliasDecl>( |
| ToTypedef, D, Importer.getToContext(), DC, StartL, Loc, |
| Name.getAsIdentifierInfo(), TInfo)) |
| return ToTypedef; |
| } else if (GetImportedOrCreateDecl<TypedefDecl>( |
| ToTypedef, D, Importer.getToContext(), DC, StartL, Loc, |
| Name.getAsIdentifierInfo(), TInfo)) |
| return ToTypedef; |
| |
| ToTypedef->setAccess(D->getAccess()); |
| ToTypedef->setLexicalDeclContext(LexicalDC); |
| |
| // Templated declarations should not appear in DeclContext. |
| TypeAliasDecl *FromAlias = IsAlias ? cast<TypeAliasDecl>(D) : nullptr; |
| if (!FromAlias || !FromAlias->getDescribedAliasTemplate()) |
| LexicalDC->addDeclInternal(ToTypedef); |
| |
| return ToTypedef; |
| } |
| |
| Decl *ASTNodeImporter::VisitTypedefDecl(TypedefDecl *D) { |
| return VisitTypedefNameDecl(D, /*IsAlias=*/false); |
| } |
| |
| Decl *ASTNodeImporter::VisitTypeAliasDecl(TypeAliasDecl *D) { |
| return VisitTypedefNameDecl(D, /*IsAlias=*/true); |
| } |
| |
| Decl *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.MapImported(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; |
| if (GetImportedOrCreateDecl(ToAlias, D, Importer.getToContext(), DC, Loc, |
| Name, Params, TemplDecl)) |
| return ToAlias; |
| |
| TemplDecl->setDescribedAliasTemplate(ToAlias); |
| |
| ToAlias->setAccess(D->getAccess()); |
| ToAlias->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(ToAlias); |
| return ToAlias; |
| } |
| |
| Decl *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()); |
| |
| LabelDecl *ToLabel; |
| if (D->isGnuLocal() |
| ? GetImportedOrCreateDecl(ToLabel, D, Importer.getToContext(), DC, |
| Importer.Import(D->getLocation()), |
| Name.getAsIdentifierInfo(), |
| Importer.Import(D->getLocStart())) |
| : GetImportedOrCreateDecl(ToLabel, D, Importer.getToContext(), DC, |
| Importer.Import(D->getLocation()), |
| Name.getAsIdentifierInfo())) |
| return 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; |
| } |
| |
| Decl *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.MapImported(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; |
| if (GetImportedOrCreateDecl( |
| D2, D, Importer.getToContext(), DC, Importer.Import(D->getLocStart()), |
| Loc, Name.getAsIdentifierInfo(), nullptr, D->isScoped(), |
| D->isScopedUsingClassTag(), D->isFixed())) |
| return D2; |
| |
| // Import the qualifier, if any. |
| D2->setQualifierInfo(Importer.Import(D->getQualifierLoc())); |
| D2->setAccess(D->getAccess()); |
| D2->setLexicalDeclContext(LexicalDC); |
| 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; |
| } |
| |
| Decl *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 && |
| // In contrast to a normal CXXRecordDecl, the implicit |
| // CXXRecordDecl of ClassTemplateSpecializationDecl is its redeclaration. |
| // The definition of the implicit CXXRecordDecl in this case is the |
| // ClassTemplateSpecializationDecl itself. Thus, we start with an extra |
| // condition in order to be able to import the implict Decl. |
| !D->isImplicit()) { |
| Decl *ImportedDef = Importer.Import(Definition); |
| if (!ImportedDef) |
| return nullptr; |
| |
| return Importer.MapImported(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 (D->getDescribedTemplate()) { |
| if (auto *Template = dyn_cast<ClassTemplateDecl>(Found)) |
| Found = Template->getTemplatedDecl(); |
| else |
| continue; |
| } |
| |
| if (auto *FoundRecord = dyn_cast<RecordDecl>(Found)) { |
| if (!SearchName) { |
| if (!IsStructuralMatch(D, FoundRecord, false)) |
| 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: Structural equivalence check should check for same |
| // user-defined methods. |
| Importer.MapImported(D, FoundDef); |
| if (const auto *DCXX = dyn_cast<CXXRecordDecl>(D)) { |
| auto *FoundCXX = dyn_cast<CXXRecordDecl>(FoundDef); |
| assert(FoundCXX && "Record type mismatch"); |
| |
| if (D->isCompleteDefinition() && !Importer.isMinimalImport()) |
| // FoundDef may not have every implicit method that D has |
| // because implicit methods are created only if they are used. |
| ImportImplicitMethods(DCXX, FoundCXX); |
| } |
| return 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()); |
| if (GetImportedOrCreateSpecialDecl( |
| D2CXX, CXXRecordDecl::CreateLambda, D, Importer.getToContext(), |
| DC, TInfo, Loc, DCXX->isDependentLambda(), |
| DCXX->isGenericLambda(), DCXX->getLambdaCaptureDefault())) |
| return D2CXX; |
| 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; |
| if (GetImportedOrCreateDecl(D2CXX, D, Importer.getToContext(), |
| D->getTagKind(), DC, StartLoc, Loc, |
| Name.getAsIdentifierInfo(), PrevDecl, |
| DelayTypeCreation)) |
| return D2CXX; |
| Importer.getToContext().getTypeDeclType( |
| D2CXX, dyn_cast<CXXRecordDecl>(DC)); |
| } else { |
| if (GetImportedOrCreateDecl(D2CXX, D, Importer.getToContext(), |
| D->getTagKind(), DC, StartLoc, Loc, |
| Name.getAsIdentifierInfo(), |
| cast_or_null<CXXRecordDecl>(PrevDecl))) |
| return D2CXX; |
| } |
| |
| D2 = D2CXX; |
| D2->setAccess(D->getAccess()); |
| D2->setLexicalDeclContext(LexicalDC); |
| if (!DCXX->getDescribedClassTemplate() || DCXX->isImplicit()) |
| LexicalDC->addDeclInternal(D2); |
| |
| if (ClassTemplateDecl *FromDescribed = |
| DCXX->getDescribedClassTemplate()) { |
| auto *ToDescribed = cast_or_null<ClassTemplateDecl>( |
| Importer.Import(FromDescribed)); |
| if (!ToDescribed) |
| return nullptr; |
| D2CXX->setDescribedClassTemplate(ToDescribed); |
| if (!DCXX->isInjectedClassName()) { |
| // In a record describing a template the type should be an |
| // InjectedClassNameType (see Sema::CheckClassTemplate). Update the |
| // previously set type to the correct value here (ToDescribed is not |
| // available at record create). |
| // FIXME: The previous type is cleared but not removed from |
| // ASTContext's internal storage. |
| CXXRecordDecl *Injected = nullptr; |
| for (NamedDecl *Found : D2CXX->noload_lookup(Name)) { |
| auto *Record = dyn_cast<CXXRecordDecl>(Found); |
| if (Record && Record->isInjectedClassName()) { |
| Injected = Record; |
| break; |
| } |
| } |
| D2CXX->setTypeForDecl(nullptr); |
| Importer.getToContext().getInjectedClassNameType(D2CXX, |
| ToDescribed->getInjectedClassNameSpecialization()); |
| if (Injected) { |
| Injected->setTypeForDecl(nullptr); |
| Importer.getToContext().getTypeDeclType(Injected, D2CXX); |
| } |
| } |
| } 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 { |
| if (GetImportedOrCreateDecl(D2, D, Importer.getToContext(), |
| D->getTagKind(), DC, StartLoc, Loc, |
| Name.getAsIdentifierInfo(), PrevDecl)) |
| return D2; |
| D2->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(D2); |
| } |
| |
| D2->setQualifierInfo(Importer.Import(D->getQualifierLoc())); |
| if (D->isAnonymousStructOrUnion()) |
| D2->setAnonymousStructOrUnion(true); |
| } |
| |
| Importer.MapImported(D, D2); |
| |
| if (D->isCompleteDefinition() && ImportDefinition(D, D2, IDK_Default)) |
| return nullptr; |
| |
| return D2; |
| } |
| |
| Decl *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.MapImported(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; |
| if (GetImportedOrCreateDecl( |
| ToEnumerator, D, Importer.getToContext(), cast<EnumDecl>(DC), Loc, |
| Name.getAsIdentifierInfo(), T, Init, D->getInitVal())) |
| return ToEnumerator; |
| |
| ToEnumerator->setAccess(D->getAccess()); |
| ToEnumerator->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(ToEnumerator); |
| return ToEnumerator; |
| } |
| |
| bool 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: { |
| FunctionTemplateDecl* Template; |
| OptionalTemplateArgsTy ToTemplArgs; |
| std::tie(Template, ToTemplArgs) = |
| ImportFunctionTemplateWithTemplateArgsFromSpecialization(FromFD); |
| if (!Template || !ToTemplArgs) |
| return true; |
| |
| TemplateArgumentList *ToTAList = TemplateArgumentList::CreateCopy( |
| Importer.getToContext(), *ToTemplArgs); |
| |
| auto *FTSInfo = FromFD->getTemplateSpecializationInfo(); |
| TemplateArgumentListInfo ToTAInfo; |
| const auto *FromTAArgsAsWritten = FTSInfo->TemplateArgumentsAsWritten; |
| if (FromTAArgsAsWritten) |
| if (ImportTemplateArgumentListInfo(*FromTAArgsAsWritten, ToTAInfo)) |
| return true; |
| |
| SourceLocation POI = Importer.Import(FTSInfo->getPointOfInstantiation()); |
| |
| TemplateSpecializationKind TSK = FTSInfo->getTemplateSpecializationKind(); |
| 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!"); |
| } |
| |
| FunctionDecl * |
| ASTNodeImporter::FindFunctionTemplateSpecialization(FunctionDecl *FromFD) { |
| FunctionTemplateDecl* Template; |
| OptionalTemplateArgsTy ToTemplArgs; |
| std::tie(Template, ToTemplArgs) = |
| ImportFunctionTemplateWithTemplateArgsFromSpecialization(FromFD); |
| if (!Template || !ToTemplArgs) |
| return nullptr; |
| |
| void *InsertPos = nullptr; |
| auto *FoundSpec = Template->findSpecialization(*ToTemplArgs, InsertPos); |
| return FoundSpec; |
| } |
| |
| Decl *ASTNodeImporter::VisitFunctionDecl(FunctionDecl *D) { |
| |
| SmallVector<Decl*, 2> Redecls = getCanonicalForwardRedeclChain(D); |
| auto RedeclIt = Redecls.begin(); |
| // Import the first part of the decl chain. I.e. import all previous |
| // declarations starting from the canonical decl. |
| for (; RedeclIt != Redecls.end() && *RedeclIt != D; ++RedeclIt) |
| if (!Importer.Import(*RedeclIt)) |
| return nullptr; |
| assert(*RedeclIt == 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 *FoundByLookup = nullptr; |
| FunctionTemplateDecl *FromFT = D->getDescribedFunctionTemplate(); |
| |
| // If this is a function template specialization, then try to find the same |
| // existing specialization in the "to" context. The localUncachedLookup |
| // below will not find any specialization, but would find the primary |
| // template; thus, we have to skip normal lookup in case of specializations. |
| // FIXME handle member function templates (TK_MemberSpecialization) similarly? |
| if (D->getTemplatedKind() == |
| FunctionDecl::TK_FunctionTemplateSpecialization) { |
| if (FunctionDecl *FoundFunction = FindFunctionTemplateSpecialization(D)) { |
| if (D->doesThisDeclarationHaveABody() && |
| FoundFunction->hasBody()) |
| return Importer.Imported(D, FoundFunction); |
| FoundByLookup = FoundFunction; |
| } |
| } |
| // 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. |
| else if (!LexicalDC->isFunctionOrMethod()) { |
| SmallVector<NamedDecl *, 4> ConflictingDecls; |
| unsigned IDNS = Decl::IDNS_Ordinary | Decl::IDNS_OrdinaryFriend; |
| SmallVector<NamedDecl *, 2> FoundDecls; |
| DC->getRedeclContext()->localUncachedLookup(Name, FoundDecls); |
| for (auto *FoundDecl : FoundDecls) { |
| if (!FoundDecl->isInIdentifierNamespace(IDNS)) |
| continue; |
| |
| // If template was found, look at the templated function. |
| if (FromFT) { |
| if (auto *Template = dyn_cast<FunctionTemplateDecl>(FoundDecl)) |
| FoundDecl = Template->getTemplatedDecl(); |
| else |
| continue; |
| } |
| |
| if (auto *FoundFunction = dyn_cast<FunctionDecl>(FoundDecl)) { |
| if (FoundFunction->hasExternalFormalLinkage() && |
| D->hasExternalFormalLinkage()) { |
| if (IsStructuralMatch(D, FoundFunction)) { |
| const FunctionDecl *Definition = nullptr; |
| if (D->doesThisDeclarationHaveABody() && |
| FoundFunction->hasBody(Definition)) { |
| return Importer.MapImported( |
| D, const_cast<FunctionDecl *>(Definition)); |
| } |
| FoundByLookup = FoundFunction; |
| break; |
| } |
| |
| // 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)) { |
| if (GetImportedOrCreateDecl<CXXConstructorDecl>( |
| ToFunction, D, Importer.getToContext(), cast<CXXRecordDecl>(DC), |
| InnerLocStart, NameInfo, T, TInfo, FromConstructor->isExplicit(), |
| D->isInlineSpecified(), D->isImplicit(), D->isConstexpr())) |
| return ToFunction; |
| 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)) { |
| if (GetImportedOrCreateDecl<CXXDestructorDecl>( |
| ToFunction, D, Importer.getToContext(), cast<CXXRecordDecl>(DC), |
| InnerLocStart, NameInfo, T, TInfo, D->isInlineSpecified(), |
| D->isImplicit())) |
| return ToFunction; |
| } else if (CXXConversionDecl *FromConversion = |
| dyn_cast<CXXConversionDecl>(D)) { |
| if (GetImportedOrCreateDecl<CXXConversionDecl>( |
| ToFunction, D, Importer.getToContext(), cast<CXXRecordDecl>(DC), |
| InnerLocStart, NameInfo, T, TInfo, D->isInlineSpecified(), |
| FromConversion->isExplicit(), D->isConstexpr(), SourceLocation())) |
| return ToFunction; |
| } else if (auto *Method = dyn_cast<CXXMethodDecl>(D)) { |
| if (GetImportedOrCreateDecl<CXXMethodDecl>( |
| ToFunction, D, Importer.getToContext(), cast<CXXRecordDecl>(DC), |
| InnerLocStart, NameInfo, T, TInfo, Method->getStorageClass(), |
| Method->isInlineSpecified(), D->isConstexpr(), SourceLocation())) |
| return ToFunction; |
| } else { |
| if (GetImportedOrCreateDecl(ToFunction, D, Importer.getToContext(), DC, |
| InnerLocStart, NameInfo, T, TInfo, |
| D->getStorageClass(), D->isInlineSpecified(), |
| D->hasWrittenPrototype(), D->isConstexpr())) |
| return ToFunction; |
| } |
| |
| // 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()); |
| ToFunction->setRangeEnd(Importer.Import(D->getLocEnd())); |
| |
| // Set the parameters. |
| for (auto *Param : Parameters) { |
| Param->setOwningFunction(ToFunction); |
| ToFunction->addDeclInternal(Param); |
| } |
| ToFunction->setParams(Parameters); |
| |
| if (FoundByLookup) { |
| auto *Recent = const_cast<FunctionDecl *>( |
| FoundByLookup->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 describing template function, if any. |
| if (FromFT) |
| if (!Importer.Import(FromFT)) |
| return nullptr; |
| |
| if (D->doesThisDeclarationHaveABody()) { |
| 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; |
| |
| bool IsFriend = D->isInIdentifierNamespace(Decl::IDNS_OrdinaryFriend); |
| |
| // TODO Can we generalize this approach to other AST nodes as well? |
| if (D->getDeclContext()->containsDeclAndLoad(D)) |
| DC->addDeclInternal(ToFunction); |
| if (DC != LexicalDC && D->getLexicalDeclContext()->containsDeclAndLoad(D)) |
| LexicalDC->addDeclInternal(ToFunction); |
| |
| // Friend declaration's lexical context is the befriending class, but the |
| // semantic context is the enclosing scope of the befriending class. |
| // We want the friend functions to be found in the semantic context by lookup. |
| // FIXME should we handle this generically in VisitFriendDecl? |
| // In Other cases when LexicalDC != DC we don't want it to be added, |
| // e.g out-of-class definitions like void B::f() {} . |
| if (LexicalDC != DC && IsFriend) { |
| DC->makeDeclVisibleInContext(ToFunction); |
| } |
| |
| // Import the rest of the chain. I.e. import all subsequent declarations. |
| for (++RedeclIt; RedeclIt != Redecls.end(); ++RedeclIt) |
| if (!Importer.Import(*RedeclIt)) |
| return nullptr; |
| |
| if (auto *FromCXXMethod = dyn_cast<CXXMethodDecl>(D)) |
| ImportOverrides(cast<CXXMethodDecl>(ToFunction), FromCXXMethod); |
| |
| return ToFunction; |
| } |
| |
| Decl *ASTNodeImporter::VisitCXXMethodDecl(CXXMethodDecl *D) { |
| return VisitFunctionDecl(D); |
| } |
| |
| Decl *ASTNodeImporter::VisitCXXConstructorDecl(CXXConstructorDecl *D) { |
| return VisitCXXMethodDecl(D); |
| } |
| |
| Decl *ASTNodeImporter::VisitCXXDestructorDecl(CXXDestructorDecl *D) { |
| return VisitCXXMethodDecl(D); |
| } |
| |
| Decl *ASTNodeImporter::VisitCXXConversionDecl(CXXConversionDecl *D) { |
| return VisitCXXMethodDecl(D); |
| } |
| |
| static 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; |
| } |
| |
| Decl *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.MapImported(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; |
| if (GetImportedOrCreateDecl(ToField, D, Importer.getToContext(), DC, |
| Importer.Import(D->getInnerLocStart()), Loc, |
| Name.getAsIdentifierInfo(), T, TInfo, BitWidth, |
| D->isMutable(), D->getInClassInitStyle())) |
| return ToField; |
| |
| 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()); |
| LexicalDC->addDeclInternal(ToField); |
| return ToField; |
| } |
| |
| Decl *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.MapImported(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); |
| } |
| |
| llvm::MutableArrayRef<NamedDecl *> CH = {NamedChain, D->getChainingSize()}; |
| IndirectFieldDecl *ToIndirectField; |
| if (GetImportedOrCreateDecl(ToIndirectField, D, Importer.getToContext(), DC, |
| Loc, Name.getAsIdentifierInfo(), T, CH)) |
| // FIXME here we leak `NamedChain` which is allocated before |
| return ToIndirectField; |
| |
| for (const auto *A : D->attrs()) |
| ToIndirectField->addAttr(Importer.Import(A)); |
| |
| ToIndirectField->setAccess(D->getAccess()); |
| ToIndirectField->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(ToIndirectField); |
| return ToIndirectField; |
| } |
| |
| Decl *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(); |
| |
| while (ImportedFriend) { |
| if (D->getFriendDecl() && ImportedFriend->getFriendDecl()) { |
| if (IsStructuralMatch(D->getFriendDecl(), ImportedFriend->getFriendDecl(), |
| /*Complain=*/false)) |
| return Importer.MapImported(D, ImportedFriend); |
| |
| } else if (D->getFriendType() && ImportedFriend->getFriendType()) { |
| if (Importer.IsStructurallyEquivalent( |
| D->getFriendType()->getType(), |
| ImportedFriend->getFriendType()->getType(), true)) |
| return Importer.MapImported(D, ImportedFriend); |
| } |
| ImportedFriend = ImportedFriend->getNextFriend(); |
| } |
| |
| // Not found. Create it. |
| FriendDecl::FriendUnion ToFU; |
| if (NamedDecl *FriendD = D->getFriendDecl()) { |
| auto *ToFriendD = cast_or_null<NamedDecl>(Importer.Import(FriendD)); |
| if (ToFriendD && FriendD->getFriendObjectKind() != Decl::FOK_None && |
| !(FriendD->isInIdentifierNamespace(Decl::IDNS_NonMemberOperator))) |
| ToFriendD->setObjectOfFriendDecl(false); |
| |
| ToFU = ToFriendD; |
| } else // The friend is a type, not a decl. |
| 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; |
| if (GetImportedOrCreateDecl(FrD, D, Importer.getToContext(), DC, |
| Importer.Import(D->getLocation()), ToFU, |
| Importer.Import(D->getFriendLoc()), ToTPLists)) |
| return FrD; |
| |
| FrD->setAccess(D->getAccess()); |
| FrD->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(FrD); |
| return FrD; |
| } |
| |
| Decl *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.MapImported(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; |
| if (GetImportedOrCreateDecl( |
| ToIvar, D, Importer.getToContext(), cast<ObjCContainerDecl>(DC), |
| Importer.Import(D->getInnerLocStart()), Loc, |
| Name.getAsIdentifierInfo(), T, TInfo, D->getAccessControl(), BitWidth, |
| D->getSynthesize())) |
| return ToIvar; |
| |
| ToIvar->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(ToIvar); |
| return ToIvar; |
| } |
| |
| Decl *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.MapImported(D, MergeWithVar); |
| updateFlags(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; |
| if (GetImportedOrCreateDecl(ToVar, D, Importer.getToContext(), DC, |
| Importer.Import(D->getInnerLocStart()), Loc, |
| Name.getAsIdentifierInfo(), T, TInfo, |
| D->getStorageClass())) |
| return ToVar; |
| |
| ToVar->setQualifierInfo(Importer.Import(D->getQualifierLoc())); |
| ToVar->setAccess(D->getAccess()); |
| ToVar->setLexicalDeclContext(LexicalDC); |
| |
| // Templated declarations should never appear in the enclosing DeclContext. |
| if (!D->getDescribedVarTemplate()) |
| LexicalDC->addDeclInternal(ToVar); |
| |
| // Merge the initializer. |
| if (ImportDefinition(D, ToVar)) |
| return nullptr; |
| |
| if (D->isConstexpr()) |
| ToVar->setConstexpr(true); |
| |
| return ToVar; |
| } |
| |
| Decl *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. |
| ImplicitParamDecl *ToParm = nullptr; |
| if (GetImportedOrCreateDecl(ToParm, D, Importer.getToContext(), DC, Loc, |
| Name.getAsIdentifierInfo(), T, |
| D->getParameterKind())) |
| return ToParm; |
| return ToParm; |
| } |
| |
| Decl *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; |
| if (GetImportedOrCreateDecl(ToParm, D, Importer.getToContext(), DC, |
| Importer.Import(D->getInnerLocStart()), Loc, |
| Name.getAsIdentifierInfo(), T, TInfo, |
| D->getStorageClass(), |
| /*DefaultArg*/ nullptr)) |
| return ToParm; |
| |
| // 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()); |
| } |
| |
| return ToParm; |
| } |
| |
| Decl *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.MapImported(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; |
| if (GetImportedOrCreateDecl( |
| ToMethod, D, 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())) |
| return ToMethod; |
| |
| // 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); |
| LexicalDC->addDeclInternal(ToMethod); |
| return ToMethod; |
| } |
| |
| Decl *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; |
| if (GetImportedOrCreateDecl( |
| Result, D, Importer.getToContext(), DC, D->getVariance(), |
| Importer.Import(D->getVarianceLoc()), D->getIndex(), |
| Importer.Import(D->getLocation()), Name.getAsIdentifierInfo(), |
| Importer.Import(D->getColonLoc()), BoundInfo)) |
| return Result; |
| |
| Result->setLexicalDeclContext(LexicalDC); |
| return Result; |
| } |
| |
| Decl *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) { |
| |
| if (GetImportedOrCreateDecl(ToCategory, D, 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()))) |
| return ToCategory; |
| |
| ToCategory->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(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.MapImported(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; |
| } |
| |
| bool 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; |
| } |
| |
| Decl *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.MapImported(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) { |
| if (GetImportedOrCreateDecl(ToProto, D, Importer.getToContext(), DC, |
| Name.getAsIdentifierInfo(), Loc, |
| Importer.Import(D->getAtStartLoc()), |
| /*PrevDecl=*/nullptr)) |
| return ToProto; |
| ToProto->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(ToProto); |
| } |
| |
| Importer.MapImported(D, ToProto); |
| |
| if (D->isThisDeclarationADefinition() && ImportDefinition(D, ToProto)) |
| return nullptr; |
| |
| return ToProto; |
| } |
| |
| Decl *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; |
| if (GetImportedOrCreateDecl(ToLinkageSpec, D, Importer.getToContext(), DC, |
| ExternLoc, LangLoc, D->getLanguage(), HasBraces)) |
| return ToLinkageSpec; |
| |
| if (HasBraces) { |
| SourceLocation RBraceLoc = Importer.Import(D->getRBraceLoc()); |
| ToLinkageSpec->setRBraceLoc(RBraceLoc); |
| } |
| |
| ToLinkageSpec->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(ToLinkageSpec); |
| |
| return ToLinkageSpec; |
| } |
| |
| Decl *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; |
| if (GetImportedOrCreateDecl(ToUsing, D, Importer.getToContext(), DC, |
| Importer.Import(D->getUsingLoc()), |
| Importer.Import(D->getQualifierLoc()), NameInfo, |
| D->hasTypename())) |
| return ToUsing; |
| |
| ToUsing->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(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; |
| } |
| |
| Decl *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; |
| if (GetImportedOrCreateDecl(ToShadow, D, Importer.getToContext(), DC, Loc, |
| ToUsing, ToTarget)) |
| return ToShadow; |
| |
| ToShadow->setLexicalDeclContext(LexicalDC); |
| ToShadow->setAccess(D->getAccess()); |
| |
| 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; |
| } |
| |
| Decl *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; |
| if (GetImportedOrCreateDecl(ToUsingDir, D, Importer.getToContext(), DC, |
| Importer.Import(D->getUsingLoc()), |
| Importer.Import(D->getNamespaceKeyLocation()), |
| Importer.Import(D->getQualifierLoc()), |
| Importer.Import(D->getIdentLocation()), |
| ToNominated, ToComAncestor)) |
| return ToUsingDir; |
| |
| ToUsingDir->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(ToUsingDir); |
| |
| return ToUsingDir; |
| } |
| |
| Decl *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; |
| if (GetImportedOrCreateDecl(ToUsingValue, D, Importer.getToContext(), DC, |
| Importer.Import(D->getUsingLoc()), |
| Importer.Import(D->getQualifierLoc()), NameInfo, |
| Importer.Import(D->getEllipsisLoc()))) |
| return ToUsingValue; |
| |
| ToUsingValue->setAccess(D->getAccess()); |
| ToUsingValue->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(ToUsingValue); |
| |
| return ToUsingValue; |
| } |
| |
| Decl *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; |
| if (GetImportedOrCreateDecl(ToUsing, D, Importer.getToContext(), DC, |
| Importer.Import(D->getUsingLoc()), |
| Importer.Import(D->getTypenameLoc()), |
| Importer.Import(D->getQualifierLoc()), Loc, Name, |
| Importer.Import(D->getEllipsisLoc()))) |
| return ToUsing; |
| |
| ToUsing->setAccess(D->getAccess()); |
| ToUsing->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(ToUsing); |
| |
| return ToUsing; |
| } |
| |
| bool 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; |
| } |
| |
| ObjCTypeParamList * |
| ASTNodeImporter::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())); |
| } |
| |
| Decl *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.MapImported(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) { |
| if (GetImportedOrCreateDecl( |
| ToIface, D, Importer.getToContext(), DC, |
| Importer.Import(D->getAtStartLoc()), Name.getAsIdentifierInfo(), |
| /*TypeParamList=*/nullptr, |
| /*PrevDecl=*/nullptr, Loc, D->isImplicitInterfaceDecl())) |
| return ToIface; |
| ToIface->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(ToIface); |
| } |
| Importer.MapImported(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; |
| } |
| |
| Decl *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()); |
| if (GetImportedOrCreateDecl( |
| ToImpl, D, Importer.getToContext(), DC, |
| Importer.Import(D->getIdentifier()), Category->getClassInterface(), |
| Importer.Import(D->getLocation()), |
| Importer.Import(D->getAtStartLoc()), CategoryNameLoc)) |
| return ToImpl; |
| |
| 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.MapImported(D, ToImpl); |
| ImportDeclContext(D); |
| return ToImpl; |
| } |
| |
| Decl *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. |
| if (GetImportedOrCreateDecl(Impl, D, 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()))) |
| return Impl; |
| |
| 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.MapImported(D, Iface->getImplementation()); |
| } else { |
| Importer.MapImported(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; |
| } |
| |
| Decl *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.MapImported(D, FoundProp); |
| return FoundProp; |
| } |
| } |
| |
| // Import the type. |
| TypeSourceInfo *TSI = Importer.Import(D->getTypeSourceInfo()); |
| if (!TSI) |
| return nullptr; |
| |
| // Create the new property. |
| ObjCPropertyDecl *ToProperty; |
| if (GetImportedOrCreateDecl( |
| ToProperty, D, Importer.getToContext(), DC, Loc, |
| Name.getAsIdentifierInfo(), Importer.Import(D->getAtLoc()), |
| Importer.Import(D->getLParenLoc()), Importer.Import(D->getType()), |
| TSI, D->getPropertyImplementation())) |
| return 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; |
| } |
| |
| Decl *ASTNodeImporter::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D) { |
| auto *Property = cast_or_null<ObjCPropertyDecl>( |
| Importer.Import(D->getPropertyDecl())); |
| if (!Property) |
| return nullptr; |
| |
| DeclContext *DC = Importer.ImportContext(D->getDeclContext()); |
| if (!DC) |
| return nullptr; |
| |
| // Import the lexical declaration context. |
| DeclContext *LexicalDC = DC; |
| if (D->getDeclContext() != D->getLexicalDeclContext()) { |
| LexicalDC = Importer.ImportContext(D->getLexicalDeclContext()); |
| if (!LexicalDC) |
| return nullptr; |
| } |
| |
| auto *InImpl = dyn_cast<ObjCImplDecl>(LexicalDC); |
| if (!InImpl) |
| return nullptr; |
| |
| // Import the ivar (for an @synthesize). |
| ObjCIvarDecl *Ivar = nullptr; |
| if (D->getPropertyIvarDecl()) { |
| Ivar = cast_or_null<ObjCIvarDecl>( |
| Importer.Import(D->getPropertyIvarDecl())); |
| if (!Ivar) |
| return nullptr; |
| } |
| |
| ObjCPropertyImplDecl *ToImpl |
| = InImpl->FindPropertyImplDecl(Property->getIdentifier(), |
| Property->getQueryKind()); |
| if (!ToImpl) { |
| if (GetImportedOrCreateDecl(ToImpl, D, Importer.getToContext(), DC, |
| Importer.Import(D->getLocStart()), |
| Importer.Import(D->getLocation()), Property, |
| D->getPropertyImplementation(), Ivar, |
| Importer.Import(D->getPropertyIvarDeclLoc()))) |
| return ToImpl; |
| |
| ToImpl->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(ToImpl); |
| } else { |
| // Check that we have the same kind of property implementation (@synthesize |
| // vs. @dynamic). |
| if (D->getPropertyImplementation() != ToImpl->getPropertyImplementation()) { |
| 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 && |
| Ivar != ToImpl->getPropertyIvarDecl()) { |
| Importer.ToDiag(ToImpl->getPropertyIvarDeclLoc(), |
| diag::err_odr_objc_synthesize_ivar_inconsistent) |
| << Property->getDeclName() |
| << ToImpl->getPropertyIvarDecl()->getDeclName() |
| << Ivar->getDeclName(); |
| 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.MapImported(D, ToImpl); |
| } |
| |
| return ToImpl; |
| } |
| |
| Decl *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. |
| TemplateTypeParmDecl *ToD = nullptr; |
| (void)GetImportedOrCreateDecl( |
| ToD, D, 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()); |
| return ToD; |
| } |
| |
| Decl * |
| ASTNodeImporter::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. |
| |
| NonTypeTemplateParmDecl *ToD = nullptr; |
| (void)GetImportedOrCreateDecl( |
| ToD, D, Importer.getToContext(), |
| Importer.getToContext().getTranslationUnitDecl(), |
| Importer.Import(D->getInnerLocStart()), Loc, D->getDepth(), |
| D->getPosition(), Name.getAsIdentifierInfo(), T, D->isParameterPack(), |
| TInfo); |
| return ToD; |
| } |
| |
| Decl * |
| ASTNodeImporter::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. |
| |
| TemplateTemplateParmDecl *ToD = nullptr; |
| (void)GetImportedOrCreateDecl( |
| ToD, D, Importer.getToContext(), |
| Importer.getToContext().getTranslationUnitDecl(), Loc, D->getDepth(), |
| D->getPosition(), D->isParameterPack(), Name.getAsIdentifierInfo(), |
| TemplateParams); |
| return ToD; |
| } |
| |
| // Returns the definition for a (forward) declaration of a ClassTemplateDecl, if |
| // it has any definition in the redecl chain. |
| static ClassTemplateDecl *getDefinition(ClassTemplateDecl *D) { |
| CXXRecordDecl *ToTemplatedDef = D->getTemplatedDecl()->getDefinition(); |
| if (!ToTemplatedDef) |
| return nullptr; |
| ClassTemplateDecl *TemplateWithDef = |
| ToTemplatedDef->getDescribedClassTemplate(); |
| return TemplateWithDef; |
| } |
| |
| Decl *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.MapImported(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)) { |
| |
| // The class to be imported is a definition. |
| if (D->isThisDeclarationADefinition()) { |
| // Lookup will find the fwd decl only if that is more recent than the |
| // definition. So, try to get the definition if that is available in |
| // the redecl chain. |
| ClassTemplateDecl *TemplateWithDef = getDefinition(FoundTemplate); |
| if (!TemplateWithDef) |
| continue; |
| FoundTemplate = TemplateWithDef; // Continue with the definition. |
| } |
| |
| if (IsStructuralMatch(D, FoundTemplate)) { |
| // The class templates structurally match; call it the same template. |
| |
| Importer.MapImported(D->getTemplatedDecl(), |
| FoundTemplate->getTemplatedDecl()); |
| return Importer.MapImported(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; |
| |
| // Create the class template declaration itself. |
| TemplateParameterList *TemplateParams = |
| ImportTemplateParameterList(D->getTemplateParameters()); |
| if (!TemplateParams) |
| return nullptr; |
| |
| ClassTemplateDecl *D2; |
| if (GetImportedOrCreateDecl(D2, D, Importer.getToContext(), DC, Loc, Name, |
| TemplateParams, ToTemplated)) |
| return D2; |
| |
| ToTemplated->setDescribedClassTemplate(D2); |
| |
| D2->setAccess(D->getAccess()); |
| D2->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(D2); |
| |
| if (FromTemplated->isCompleteDefinition() && |
| !ToTemplated->isCompleteDefinition()) { |
| // FIXME: Import definition! |
| } |
| |
| return D2; |
| } |
| |
| Decl *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.MapImported(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.MapImported(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; |
| |
| if (GetImportedOrCreateDecl<ClassTemplatePartialSpecializationDecl>( |
| D2, D, Importer.getToContext(), D->getTagKind(), DC, StartLoc, |
| IdLoc, ToTPList, ClassTemplate, |
| llvm::makeArrayRef(TemplateArgs.data(), TemplateArgs.size()), |
| ToTAInfo, CanonInjType, nullptr)) |
| return D2; |
| |
| } else { |
| if (GetImportedOrCreateDecl( |
| D2, D, Importer.getToContext(), D->getTagKind(), DC, StartLoc, |
| IdLoc, ClassTemplate, TemplateArgs, /*PrevDecl=*/nullptr)) |
| return D2; |
| } |
| |
| 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())); |
| |
| 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()); |
| |
| // Set the context of this specialization/instantiation. |
| D2->setLexicalDeclContext(LexicalDC); |
| |
| // Add to the DC only if it was an explicit specialization/instantiation. |
| if (D2->isExplicitInstantiationOrSpecialization()) { |
| LexicalDC->addDeclInternal(D2); |
| } |
| } |
| if (D->isCompleteDefinition() && ImportDefinition(D, D2)) |
| return nullptr; |
| |
| return D2; |
| } |
| |
| Decl *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.MapImported(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() && |
| "Variable templates cannot be declared at function scope"); |
| 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.MapImported(D->getTemplatedDecl(), |
| FoundTemplate->getTemplatedDecl()); |
| return Importer.MapImported(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; |
| if (GetImportedOrCreateDecl(ToVarTD, D, Importer.getToContext(), DC, Loc, |
| Name, TemplateParams, ToTemplated)) |
| return ToVarTD; |
| |
| ToTemplated->setDescribedVarTemplate(ToVarTD); |
| |
| ToVarTD->setAccess(D->getAccess()); |
| ToVarTD->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(ToVarTD); |
| |
| if (DTemplated->isThisDeclarationADefinition() && |
| !ToTemplated->isThisDeclarationADefinition()) { |
| // FIXME: Import definition! |
| } |
| |
| return ToVarTD; |
| } |
| |
| Decl *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.MapImported(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.MapImported(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; |
| |
| PartVarSpecDecl *ToPartial; |
| if (GetImportedOrCreateDecl(ToPartial, D, Importer.getToContext(), DC, |
| StartLoc, IdLoc, ToTPList, VarTemplate, T, |
| TInfo, D->getStorageClass(), TemplateArgs, |
| ArgInfos)) |
| return ToPartial; |
| |
| 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 |
| if (GetImportedOrCreateDecl(D2, D, Importer.getToContext(), DC, StartLoc, |
| IdLoc, VarTemplate, T, TInfo, |
| D->getStorageClass(), TemplateArgs)) |
| return D2; |
| } |
| |
| 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()); |
| } |
| |
| // 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; |
| } |
| |
| Decl *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.MapImported(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; |
| if (GetImportedOrCreateDecl(ToFunc, D, Importer.getToContext(), DC, Loc, Name, |
| Params, TemplatedFD)) |
| return ToFunc; |
| |
| TemplatedFD->setDescribedFunctionTemplate(ToFunc); |
| ToFunc->setAccess(D->getAccess()); |
| ToFunc->setLexicalDeclContext(LexicalDC); |
| |
| LexicalDC->addDeclInternal(ToFunc); |
| return ToFunc; |
| } |
| |
| //---------------------------------------------------------------------------- |
| // Import Statements |
| //---------------------------------------------------------------------------- |
| |
| DeclGroupRef 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); |
| } |
| |
| Stmt *ASTNodeImporter::VisitStmt(Stmt *S) { |
| Importer.FromDiag(S->getLocStart(), diag::err_unsupported_ast_node) |
| << S->getStmtClassName(); |
| return nullptr; |
| } |
| |
| Stmt *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())); |
| } |
| |
| Stmt *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); |
| } |
| |
| Stmt *ASTNodeImporter::VisitNullStmt(NullStmt *S) { |
| SourceLocation ToSemiLoc = Importer.Import(S->getSemiLoc()); |
| return new (Importer.getToContext()) NullStmt(ToSemiLoc, |
| S->hasLeadingEmptyMacro()); |
| } |
| |
| Stmt *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); |
| } |
| |
| Stmt *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; |
| } |
| |
| Stmt *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); |
| } |
| |
| Stmt *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); |
| } |
| |
| Stmt *ASTNodeImporter::VisitAttributedStmt(AttributedStmt *S) { |
| SourceLocation ToAttrLoc = Importer.Import(S->getAttrLoc()); |
| ArrayRef<const Attr*> FromAttrs(S->getAttrs()); |
| SmallVector<const Attr *, 1> ToAttrs(FromAttrs.size()); |
| if (ImportContainerChecked(FromAttrs, ToAttrs)) |
| return nullptr; |
| Stmt *ToSubStmt = Importer.Import(S->getSubStmt()); |
| if (!ToSubStmt && S->getSubStmt()) |
| return nullptr; |
| return AttributedStmt::Create(Importer.getToContext(), ToAttrLoc, |
| ToAttrs, ToSubStmt); |
| } |
| |
| Stmt *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); |
| } |
| |
| Stmt *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; |
| } |
| |
| Stmt *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); |
| } |
| |
| Stmt *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); |
| } |
| |
| Stmt *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); |
| } |
| |
| Stmt *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); |
| } |
| |
| Stmt *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); |
| } |
| |
| Stmt *ASTNodeImporter::VisitContinueStmt(ContinueStmt *S) { |
| SourceLocation ToContinueLoc = Importer.Import(S->getContinueLoc()); |
| return new (Importer.getToContext()) ContinueStmt(ToContinueLoc); |
| } |
| |
| Stmt *ASTNodeImporter::VisitBreakStmt(BreakStmt *S) { |
| SourceLocation ToBreakLoc = Importer.Import(S->getBreakLoc()); |
| return new (Importer.getToContext()) BreakStmt(ToBreakLoc); |
| } |
| |
| Stmt *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); |
| } |
| |
| Stmt *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); |
| } |
| |
| Stmt *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); |
| } |
| |
| Stmt *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); |
| } |
| |
| Stmt *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); |
| } |
| |
| Stmt *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); |
| } |
| |
| Stmt *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); |
| } |
| |
| Stmt *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); |
| } |
| |
| Stmt *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); |
| } |
| |
| Stmt *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); |
| } |
| |
| Stmt *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); |
| } |
| |
| //---------------------------------------------------------------------------- |
| // Import Expressions |
| //---------------------------------------------------------------------------- |
| Expr *ASTNodeImporter::VisitExpr(Expr *E) { |
| Importer.FromDiag(E->getLocStart(), diag::err_unsupported_ast_node) |
| << E->getStmtClassName(); |
| return nullptr; |
| } |
| |
| Expr *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()); |
| } |
| |
| Expr *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())); |
| } |
| |
| Expr *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); |
| } |
| |
| Expr *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; |
| } |
| |
| Expr *ASTNodeImporter::VisitImplicitValueInitExpr(ImplicitValueInitExpr *E) { |
| QualType T = Importer.Import(E->getType()); |
| if (T.isNull()) |
| return nullptr; |
| |
| return new (Importer.getToContext()) ImplicitValueInitExpr(T); |
| } |
| |
| ASTNodeImporter::Designator |
| ASTNodeImporter::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()); |
| return Designator(D.getFirstExprIndex(), |
| Importer.Import(D.getLBracketLoc()), |
| Importer.Import(D.getEllipsisLoc()), |
| Importer.Import(D.getRBracketLoc())); |
| } |
| |
| |
| Expr *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); |
| } |
| |
| Expr *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())); |
| } |
| |
| Expr *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())); |
| } |
| |
| Expr *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())); |
| } |
| |
| Expr *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())); |
| } |
| |
| Expr *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()); |
| } |
| |
| Expr *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()); |
| } |
| |
| Expr *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())); |
| } |
| |
| Expr *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); |
| } |
| |
| Expr *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); |
| } |
| |
| Expr *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())); |
| } |
| |
| Expr *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())); |
| } |
| |
| Expr *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()); |
| } |
| |
| Expr * |
| ASTNodeImporter::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())); |
| } |
| |
| Expr *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()); |
| } |
| |
| Expr *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()); |
| } |
| |
| Expr *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()); |
| } |
| |
| Expr *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); |
| } |
| |
| Expr *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); |
| } |
| |
| Expr *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); |
| } |
| |
| Expr *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())); |
| } |
| |
| Expr *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()); |
| } |
| |
| bool 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; |
| } |
| |
| Expr *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()); |
| } |
| |
| Expr *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!"); |
| return nullptr; |
| } |
| } |
| |
| Expr *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())); |
| } |
| |
| Expr *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())); |
| } |
| |
| Expr *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()); |
| } |
| |
| Expr *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); |
| } |
| |
| Expr *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())); |
| } |
| |
| Expr *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); |
| } |
| |
| Expr *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()); |
| } |
| |
| Expr * |
| ASTNodeImporter::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; |
| } |
| |
| Expr *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()); |
| } |
| |
| Expr *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); |
| } |
| |
| Expr *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())); |
| } |
| |
| Expr *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())); |
| } |
| |
| Expr *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())); |
| } |
| |
| Expr *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); |
| } |
| |
| Expr *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())); |
| } |
| |
| Expr *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()); |
| } |
| |
| Expr *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())); |
| } |
| |
| |
| Expr *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; |
| |
| auto *ToDecl = |
| dyn_cast_or_null<NamedDecl>(Importer.Import(E->getFoundDecl().getDecl())); |
| if (!ToDecl && E->getFoundDecl().getDecl()) |
| return nullptr; |
| |
| DeclAccessPair ToFoundDecl = |
| DeclAccessPair::make(ToDecl, 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()); |
| } |
| |
| Expr *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); |
| } |
| |
| Expr *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); |
| } |
| |
| Expr * |
| ASTNodeImporter::VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E) { |
| DeclarationName Name = Importer.Import(E->getDeclName()); |
| if (!E->getDeclName().isEmpty() && Name.isEmpty()) |
| return nullptr; |
| |
| DeclarationNameInfo NameInfo(Name, Importer.Import(E->getExprLoc())); |
| ImportDeclarationNameLoc(E->getNameInfo(), NameInfo); |
| |
| TemplateArgumentListInfo ToTAInfo(Importer.Import(E->getLAngleLoc()), |
| Importer.Import(E->getRAngleLoc())); |
| TemplateArgumentListInfo *ResInfo = nullptr; |
| if (E->hasExplicitTemplateArgs()) { |
| if (ImportTemplateArgumentListInfo(E->template_arguments(), ToTAInfo)) |
| return nullptr; |
| ResInfo = &ToTAInfo; |
| } |
| |
| return DependentScopeDeclRefExpr::Create( |
| Importer.getToContext(), Importer.Import(E->getQualifierLoc()), |
| Importer.Import(E->getTemplateKeywordLoc()), NameInfo, ResInfo); |
| } |
| |
| Expr *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())); |
| } |
| |
| Expr *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()); |
| } |
| |
| Expr *ASTNodeImporter::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E) { |
| DeclarationName Name = Importer.Import(E->getName()); |
| if (!E->getName().isEmpty() && Name.isEmpty()) |
| return nullptr; |
| DeclarationNameInfo NameInfo(Name, Importer.Import(E->getNameLoc())); |
| // Import additional name location/type info. |
| ImportDeclarationNameLoc(E->getNameInfo(), NameInfo); |
| |
| QualType BaseType = Importer.Import(E->getType()); |
| if (!E->getType().isNull() && BaseType.isNull()) |
| return nullptr; |
| |
| UnresolvedSet<8> ToDecls; |
| for (Decl *D : E->decls()) { |
| if (NamedDecl *To = cast_or_null<NamedDecl>(Importer.Import(D))) |
| ToDecls.addDecl(To); |
| else |
| return nullptr; |
| } |
| |
| TemplateArgumentListInfo ToTAInfo; |
| TemplateArgumentListInfo *ResInfo = nullptr; |
| if (E->hasExplicitTemplateArgs()) { |
| if (ImportTemplateArgumentListInfo(E->template_arguments(), ToTAInfo)) |
| return nullptr; |
| ResInfo = &ToTAInfo; |
| } |
| |
| Expr *BaseE = E->isImplicitAccess() ? nullptr : Importer.Import(E->getBase()); |
| if (!BaseE && !E->isImplicitAccess() && E->getBase()) { |
| return nullptr; |
| } |
| |
| return UnresolvedMemberExpr::Create( |
| Importer.getToContext(), E->hasUnresolvedUsing(), BaseE, BaseType, |
| E->isArrow(), Importer.Import(E->getOperatorLoc()), |
| Importer.Import(E->getQualifierLoc()), |
| Importer.Import(E->getTemplateKeywordLoc()), NameInfo, ResInfo, |
| ToDecls.begin(), ToDecls.end()); |
| } |
| |
| Expr *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())); |
| } |
| |
| Optional<LambdaCapture> |
| ASTNodeImporter::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()); |
| } |
| |
| Expr *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()); |
| } |
| |
| Expr *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; |
| } |
| |
| Expr *ASTNodeImporter::VisitCXXStdInitializerListExpr( |
| CXXStdInitializerListExpr *E) { |
| QualType T = Importer.Import(E->getType()); |
| if (T.isNull()) |
| return nullptr; |
| |
| Expr *SE = Importer.Import(E->getSubExpr()); |
| if (!SE) |
| return nullptr; |
| |
| return new (Importer.getToContext()) CXXStdInitializerListExpr(T, SE); |
| } |
| |
| Expr *ASTNodeImporter::VisitCXXInheritedCtorInitExpr( |
| CXXInheritedCtorInitExpr *E) { |
| QualType T = Importer.Import(E->getType()); |
| if (T.isNull()) |
| return nullptr; |
| |
| auto *Ctor = cast_or_null<CXXConstructorDecl>(Importer.Import( |
| E->getConstructor())); |
| if (!Ctor) |
| return nullptr; |
| |
| return new (Importer.getToContext()) CXXInheritedCtorInitExpr( |
| Importer.Import(E->getLocation()), T, Ctor, |
| E->constructsVBase(), E->inheritedFromVBase()); |
| } |
| |
| Expr *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); |
| } |
| |
| Expr *ASTNodeImporter::VisitArrayInitIndexExpr(ArrayInitIndexExpr *E) { |
| QualType ToType = Importer.Import(E->getType()); |
| if (ToType.isNull()) |
| return nullptr; |
| return new (Importer.getToContext()) ArrayInitIndexExpr(ToType); |
| } |
| |
| Expr *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); |
| } |
| |
| Expr *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; |
| } |
| } |
| |
| Expr *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); |
| } |
| |
| Expr *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); |
| } |
| |
| Expr *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())); |
| } |
| |
| void ASTNodeImporter::ImportOverrides(CXXMethodDecl *ToMethod, |
| CXXMethodDecl *FromMethod) { |
| for (auto *FromOverriddenMethod : FromMethod->overridden_methods()) |
| ToMethod->addOverriddenMethod( |
| cast<CXXMethodDecl>(Importer.Import(const_cast<CXXMethodDecl*>( |
| FromOverriddenMethod)))); |
| } |
| |
| ASTImporter::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(); |
| } |
| |
| ASTImporter::~ASTImporter() = default; |
| |
| QualType 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()); |
| } |
| |
| TypeSourceInfo *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())); |
| } |
| |
| Attr *ASTImporter::Import(const Attr *FromAttr) { |
| Attr *ToAttr = FromAttr->clone(ToContext); |
| ToAttr->setRange(Import(FromAttr->getRange())); |
| return ToAttr; |
| } |
| |
| Decl *ASTImporter::GetAlreadyImportedOrNull(Decl *FromD) { |
| llvm::DenseMap<Decl *, Decl *>::iterator Pos = ImportedDecls.find(FromD); |
| if (Pos != ImportedDecls.end()) { |
| Decl *ToD = Pos->second; |
| // FIXME: move this call to ImportDeclParts(). |
| ASTNodeImporter(*this).ImportDefinitionIfNeeded(FromD, ToD); |
| return ToD; |
| } else { |
| return nullptr; |
| } |
| } |
| |
| Decl *ASTImporter::Import(Decl *FromD) { |
| if (!FromD) |
| return nullptr; |
| |
| ASTNodeImporter Importer(*this); |
| |
| // Check whether we've already imported this declaration. |
| Decl *ToD = GetAlreadyImportedOrNull(FromD); |
| if (ToD) { |
| // If FromD has some updated flags after last import, apply it |
| updateFlags(FromD, ToD); |
| return ToD; |
| } |
| |
| // Import the type. |
| ToD = Importer.Visit(FromD); |
| if (!ToD) |
| return nullptr; |
| |
| // Notify subclasses. |
| Imported(FromD, ToD); |
| |
| return ToD; |
| } |
| |
| DeclContext *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; |
| } |
| |
| Expr *ASTImporter::Import(Expr *FromE) { |
| if (!FromE) |
| return nullptr; |
| |
| return cast_or_null<Expr>(Import(cast<Stmt>(FromE))); |
| } |
| |
| Stmt *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; |
| } |
| |
| NestedNameSpecifier *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"); |
| } |
| |
| NestedNameSpecifierLoc 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()); |
| } |
| |
| TemplateName 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"); |
| } |
| |
| SourceLocation ASTImporter::Import(SourceLocation FromLoc) { |
| if (FromLoc.isInvalid()) |
| return {}; |
| |
| SourceManager &FromSM = FromContext.getSourceManager(); |
| |
| std::pair<FileID, unsigned> Decomposed = FromSM.getDecomposedLoc(FromLoc); |
| FileID ToFileID = Import(Decomposed.first); |
| if (ToFileID.isInvalid()) |
| return {}; |
| SourceManager &ToSM = ToContext.getSourceManager(); |
| return ToSM.getComposedLoc(ToFileID, Decomposed.second); |
| } |
| |
| SourceRange ASTImporter::Import(SourceRange FromRange) { |
| return SourceRange(Import(FromRange.getBegin()), Import(FromRange.getEnd())); |
| } |
| |
| FileID 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); |
| |
| // Map the FromID to the "to" source manager. |
| FileID ToID; |
| if (FromSLoc.isExpansion()) { |
| const SrcMgr::ExpansionInfo &FromEx = FromSLoc.getExpansion(); |
| SourceLocation ToSpLoc = Import(FromEx.getSpellingLoc()); |
| SourceLocation ToExLocS = Import(FromEx.getExpansionLocStart()); |
| unsigned TokenLen = FromSM.getFileIDSize(FromID); |
| SourceLocation MLoc; |
| if (FromEx.isMacroArgExpansion()) { |
| MLoc = ToSM.createMacroArgExpansionLoc(ToSpLoc, ToExLocS, TokenLen); |
| } else { |
| SourceLocation ToExLocE = Import(FromEx.getExpansionLocEnd()); |
| MLoc = ToSM.createExpansionLoc(ToSpLoc, ToExLocS, ToExLocE, TokenLen, |
| FromEx.isExpansionTokenRange()); |
| } |
| ToID = ToSM.getFileID(MLoc); |
| } else { |
| // Include location of this file. |
| SourceLocation ToIncludeLoc = Import(FromSLoc.getFile().getIncludeLoc()); |
| |
| 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; |
| } |
| |
| CXXCtorInitializer *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; |
| } |
| } |
| |
| CXXBaseSpecifier *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; |
| } |
| |
| void ASTImporter::ImportDefinition(Decl *From) { |
| Decl *To = Import(From); |
| if (!To) |
| return; |
| |
| if (auto *FromDC = cast<DeclContext>(From)) { |
| ASTNodeImporter Importer(*this); |
| |
| if (auto *ToRecord = dyn_cast<RecordDecl>(To)) { |
| if (!ToRecord->getDefinition()) { |
| Importer.ImportDefinition(cast<RecordDecl>(FromDC), ToRecord, |
| ASTNodeImporter::IDK_Everything); |
| return; |
| } |
| } |
| |
| if (auto *ToEnum = dyn_cast<EnumDecl>(To)) { |
| if (!ToEnum->getDefinition()) { |
| Importer.ImportDefinition(cast<EnumDecl>(FromDC), ToEnum, |
| ASTNodeImporter::IDK_Everything); |
| return; |
| } |
| } |
| |
| if (auto *ToIFace = dyn_cast<ObjCInterfaceDecl>(To)) { |
| if (!ToIFace->getDefinition()) { |
| Importer.ImportDefinition(cast<ObjCInterfaceDecl>(FromDC), ToIFace, |
| ASTNodeImporter::IDK_Everything); |
| return; |
| } |
| } |
| |
| if (auto *ToProto = dyn_cast<ObjCProtocolDecl>(To)) { |
| if (!ToProto->getDefinition()) { |
| Importer.ImportDefinition(cast<ObjCProtocolDecl>(FromDC), ToProto, |
| ASTNodeImporter::IDK_Everything); |
| return; |
| } |
| } |
| |
| Importer.ImportDeclContext(FromDC, true); |
| } |
| } |
| |
| DeclarationName 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!"); |
| } |
| |
| IdentifierInfo *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; |
| } |
| |
| Selector 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()); |
| } |
| |
| DeclarationName ASTImporter::HandleNameConflict(DeclarationName Name, |
| DeclContext *DC, |
| unsigned IDNS, |
| NamedDecl **Decls, |
| unsigned NumDecls) { |
| return Name; |
| } |
| |
| DiagnosticBuilder ASTImporter::ToDiag(SourceLocation Loc, unsigned DiagID) { |
| if (LastDiagFromFrom) |
| ToContext.getDiagnostics().notePriorDiagnosticFrom( |
| FromContext.getDiagnostics()); |
| LastDiagFromFrom = false; |
| return ToContext.getDiagnostics().Report(Loc, DiagID); |
| } |
| |
| DiagnosticBuilder ASTImporter::FromDiag(SourceLocation Loc, unsigned DiagID) { |
| if (!LastDiagFromFrom) |
| FromContext.getDiagnostics().notePriorDiagnosticFrom( |
| ToContext.getDiagnostics()); |
| LastDiagFromFrom = true; |
| return FromContext.getDiagnostics().Report(Loc, DiagID); |
| } |
| |
| void 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"); |
| } |
| } |
| |
| Decl *ASTImporter::MapImported(Decl *From, Decl *To) { |
| llvm::DenseMap<Decl *, Decl *>::iterator Pos = ImportedDecls.find(From); |
| assert((Pos == ImportedDecls.end() || Pos->second == To) && |
| "Try to import an already imported Decl"); |
| if (Pos != ImportedDecls.end()) |
| return Pos->second; |
| ImportedDecls[From] = To; |
| return To; |
| } |
| |
| bool 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, |
| getStructuralEquivalenceKind(*this), false, |
| Complain); |
| return Ctx.IsEquivalent(From, To); |
| } |