| //===--- ASTImporter.cpp - Importing ASTs from other Contexts ---*- C++ -*-===// |
| // |
| // 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/DeclCXX.h" |
| #include "clang/AST/DeclObjC.h" |
| #include "clang/AST/DeclVisitor.h" |
| #include "clang/AST/StmtVisitor.h" |
| #include "clang/AST/TypeVisitor.h" |
| #include "clang/Basic/FileManager.h" |
| #include "clang/Basic/SourceManager.h" |
| #include "llvm/Support/MemoryBuffer.h" |
| #include <deque> |
| |
| namespace clang { |
| class ASTNodeImporter : public TypeVisitor<ASTNodeImporter, QualType>, |
| public DeclVisitor<ASTNodeImporter, Decl *>, |
| public StmtVisitor<ASTNodeImporter, Stmt *> { |
| ASTImporter &Importer; |
| |
| public: |
| explicit ASTNodeImporter(ASTImporter &Importer) : Importer(Importer) { } |
| |
| using TypeVisitor<ASTNodeImporter, QualType>::Visit; |
| using DeclVisitor<ASTNodeImporter, Decl *>::Visit; |
| using StmtVisitor<ASTNodeImporter, Stmt *>::Visit; |
| |
| // Importing types |
| QualType VisitType(const Type *T); |
| QualType VisitBuiltinType(const BuiltinType *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); |
| // FIXME: DependentSizedArrayType |
| // FIXME: DependentSizedExtVectorType |
| QualType VisitVectorType(const VectorType *T); |
| QualType VisitExtVectorType(const ExtVectorType *T); |
| QualType VisitFunctionNoProtoType(const FunctionNoProtoType *T); |
| QualType VisitFunctionProtoType(const FunctionProtoType *T); |
| // FIXME: UnresolvedUsingType |
| 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); |
| // FIXME: SubstTemplateTypeParmType |
| QualType VisitTemplateSpecializationType(const TemplateSpecializationType *T); |
| QualType VisitElaboratedType(const ElaboratedType *T); |
| // FIXME: DependentNameType |
| // FIXME: DependentTemplateSpecializationType |
| 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); |
| |
| typedef DesignatedInitExpr::Designator Designator; |
| Designator ImportDesignator(const Designator &D); |
| |
| |
| /// \brief What we should import from the definition. |
| enum ImportDefinitionKind { |
| /// \brief Import the default subset of the definition, which might be |
| /// nothing (if minimal import is set) or might be everything (if minimal |
| /// import is not set). |
| IDK_Default, |
| /// \brief Import everything. |
| IDK_Everything, |
| /// \brief Import only the bare bones needed to establish a valid |
| /// DeclContext. |
| IDK_Basic |
| }; |
| |
| bool shouldForceImportDeclContext(ImportDefinitionKind IDK) { |
| return IDK == IDK_Everything || |
| (IDK == IDK_Default && !Importer.isMinimalImport()); |
| } |
| |
| bool ImportDefinition(RecordDecl *From, RecordDecl *To, |
| ImportDefinitionKind Kind = IDK_Default); |
| bool ImportDefinition(VarDecl *From, VarDecl *To, |
| ImportDefinitionKind Kind = IDK_Default); |
| bool ImportDefinition(EnumDecl *From, EnumDecl *To, |
| ImportDefinitionKind Kind = IDK_Default); |
| bool ImportDefinition(ObjCInterfaceDecl *From, ObjCInterfaceDecl *To, |
| ImportDefinitionKind Kind = IDK_Default); |
| bool ImportDefinition(ObjCProtocolDecl *From, ObjCProtocolDecl *To, |
| ImportDefinitionKind Kind = IDK_Default); |
| TemplateParameterList *ImportTemplateParameterList( |
| TemplateParameterList *Params); |
| TemplateArgument ImportTemplateArgument(const TemplateArgument &From); |
| bool ImportTemplateArguments(const TemplateArgument *FromArgs, |
| unsigned NumFromArgs, |
| SmallVectorImpl<TemplateArgument> &ToArgs); |
| 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(ClassTemplateDecl *From, ClassTemplateDecl *To); |
| bool IsStructuralMatch(VarTemplateDecl *From, VarTemplateDecl *To); |
| Decl *VisitDecl(Decl *D); |
| Decl *VisitAccessSpecDecl(AccessSpecDecl *D); |
| Decl *VisitTranslationUnitDecl(TranslationUnitDecl *D); |
| Decl *VisitNamespaceDecl(NamespaceDecl *D); |
| Decl *VisitTypedefNameDecl(TypedefNameDecl *D, bool IsAlias); |
| Decl *VisitTypedefDecl(TypedefDecl *D); |
| Decl *VisitTypeAliasDecl(TypeAliasDecl *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 *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); |
| |
| 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); |
| |
| // 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 *VisitCompoundAssignOperator(CompoundAssignOperator *E); |
| Expr *VisitImplicitCastExpr(ImplicitCastExpr *E); |
| Expr *VisitCStyleCastExpr(CStyleCastExpr *E); |
| Expr *VisitCXXConstructExpr(CXXConstructExpr *E); |
| Expr *VisitCXXMemberCallExpr(CXXMemberCallExpr *E); |
| Expr *VisitCXXThisExpr(CXXThisExpr *E); |
| Expr *VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E); |
| Expr *VisitMemberExpr(MemberExpr *E); |
| Expr *VisitCallExpr(CallExpr *E); |
| Expr *VisitInitListExpr(InitListExpr *E); |
| Expr *VisitCXXDefaultInitExpr(CXXDefaultInitExpr *E); |
| Expr *VisitCXXNamedCastExpr(CXXNamedCastExpr *E); |
| |
| template<typename IIter, typename OIter> |
| void ImportArray(IIter Ibegin, IIter Iend, OIter Obegin) { |
| typedef typename std::remove_reference<decltype(*Obegin)>::type ItemT; |
| 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) { |
| typedef typename std::remove_reference<decltype(**Obegin)>::type ItemT; |
| ASTImporter &ImporterRef = Importer; |
| bool Failed = false; |
| std::transform(Ibegin, Iend, Obegin, |
| [&ImporterRef, &Failed](ItemT *From) -> ItemT * { |
| ItemT *To = ImporterRef.Import(From); |
| if (!To && From) |
| Failed = true; |
| return To; |
| }); |
| return Failed; |
| } |
| }; |
| } |
| |
| using namespace clang; |
| |
| //---------------------------------------------------------------------------- |
| // Structural Equivalence |
| //---------------------------------------------------------------------------- |
| |
| namespace { |
| struct StructuralEquivalenceContext { |
| /// \brief AST contexts for which we are checking structural equivalence. |
| ASTContext &C1, &C2; |
| |
| /// \brief The set of "tentative" equivalences between two canonical |
| /// declarations, mapping from a declaration in the first context to the |
| /// declaration in the second context that we believe to be equivalent. |
| llvm::DenseMap<Decl *, Decl *> TentativeEquivalences; |
| |
| /// \brief Queue of declarations in the first context whose equivalence |
| /// with a declaration in the second context still needs to be verified. |
| std::deque<Decl *> DeclsToCheck; |
| |
| /// \brief Declaration (from, to) pairs that are known not to be equivalent |
| /// (which we have already complained about). |
| llvm::DenseSet<std::pair<Decl *, Decl *> > &NonEquivalentDecls; |
| |
| /// \brief Whether we're being strict about the spelling of types when |
| /// unifying two types. |
| bool StrictTypeSpelling; |
| |
| /// \brief Whether to complain about failures. |
| bool Complain; |
| |
| /// \brief \c true if the last diagnostic came from C2. |
| bool LastDiagFromC2; |
| |
| StructuralEquivalenceContext(ASTContext &C1, ASTContext &C2, |
| llvm::DenseSet<std::pair<Decl *, Decl *> > &NonEquivalentDecls, |
| bool StrictTypeSpelling = false, |
| bool Complain = true) |
| : C1(C1), C2(C2), NonEquivalentDecls(NonEquivalentDecls), |
| StrictTypeSpelling(StrictTypeSpelling), Complain(Complain), |
| LastDiagFromC2(false) {} |
| |
| /// \brief Determine whether the two declarations are structurally |
| /// equivalent. |
| bool IsStructurallyEquivalent(Decl *D1, Decl *D2); |
| |
| /// \brief Determine whether the two types are structurally equivalent. |
| bool IsStructurallyEquivalent(QualType T1, QualType T2); |
| |
| private: |
| /// \brief Finish checking all of the structural equivalences. |
| /// |
| /// \returns true if an error occurred, false otherwise. |
| bool Finish(); |
| |
| public: |
| DiagnosticBuilder Diag1(SourceLocation Loc, unsigned DiagID) { |
| assert(Complain && "Not allowed to complain"); |
| if (LastDiagFromC2) |
| C1.getDiagnostics().notePriorDiagnosticFrom(C2.getDiagnostics()); |
| LastDiagFromC2 = false; |
| return C1.getDiagnostics().Report(Loc, DiagID); |
| } |
| |
| DiagnosticBuilder Diag2(SourceLocation Loc, unsigned DiagID) { |
| assert(Complain && "Not allowed to complain"); |
| if (!LastDiagFromC2) |
| C2.getDiagnostics().notePriorDiagnosticFrom(C1.getDiagnostics()); |
| LastDiagFromC2 = true; |
| return C2.getDiagnostics().Report(Loc, DiagID); |
| } |
| }; |
| } |
| |
| static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context, |
| QualType T1, QualType T2); |
| static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context, |
| Decl *D1, Decl *D2); |
| |
| /// \brief Determine structural equivalence of two expressions. |
| static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context, |
| Expr *E1, Expr *E2) { |
| if (!E1 || !E2) |
| return E1 == E2; |
| |
| // FIXME: Actually perform a structural comparison! |
| return true; |
| } |
| |
| /// \brief Determine whether two identifiers are equivalent. |
| static bool IsStructurallyEquivalent(const IdentifierInfo *Name1, |
| const IdentifierInfo *Name2) { |
| if (!Name1 || !Name2) |
| return Name1 == Name2; |
| |
| return Name1->getName() == Name2->getName(); |
| } |
| |
| /// \brief Determine whether two nested-name-specifiers are equivalent. |
| static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context, |
| NestedNameSpecifier *NNS1, |
| NestedNameSpecifier *NNS2) { |
| // FIXME: Implement! |
| return true; |
| } |
| |
| /// \brief Determine whether two template arguments are equivalent. |
| static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context, |
| const TemplateArgument &Arg1, |
| const TemplateArgument &Arg2) { |
| if (Arg1.getKind() != Arg2.getKind()) |
| return false; |
| |
| switch (Arg1.getKind()) { |
| case TemplateArgument::Null: |
| return true; |
| |
| case TemplateArgument::Type: |
| return Context.IsStructurallyEquivalent(Arg1.getAsType(), Arg2.getAsType()); |
| |
| case TemplateArgument::Integral: |
| if (!Context.IsStructurallyEquivalent(Arg1.getIntegralType(), |
| Arg2.getIntegralType())) |
| return false; |
| |
| return llvm::APSInt::isSameValue(Arg1.getAsIntegral(), Arg2.getAsIntegral()); |
| |
| case TemplateArgument::Declaration: |
| return Context.IsStructurallyEquivalent(Arg1.getAsDecl(), Arg2.getAsDecl()); |
| |
| case TemplateArgument::NullPtr: |
| return true; // FIXME: Is this correct? |
| |
| case TemplateArgument::Template: |
| return IsStructurallyEquivalent(Context, |
| Arg1.getAsTemplate(), |
| Arg2.getAsTemplate()); |
| |
| case TemplateArgument::TemplateExpansion: |
| return IsStructurallyEquivalent(Context, |
| Arg1.getAsTemplateOrTemplatePattern(), |
| Arg2.getAsTemplateOrTemplatePattern()); |
| |
| case TemplateArgument::Expression: |
| return IsStructurallyEquivalent(Context, |
| Arg1.getAsExpr(), Arg2.getAsExpr()); |
| |
| case TemplateArgument::Pack: |
| if (Arg1.pack_size() != Arg2.pack_size()) |
| return false; |
| |
| for (unsigned I = 0, N = Arg1.pack_size(); I != N; ++I) |
| if (!IsStructurallyEquivalent(Context, |
| Arg1.pack_begin()[I], |
| Arg2.pack_begin()[I])) |
| return false; |
| |
| return true; |
| } |
| |
| llvm_unreachable("Invalid template argument kind"); |
| } |
| |
| /// \brief Determine structural equivalence for the common part of array |
| /// types. |
| static bool IsArrayStructurallyEquivalent(StructuralEquivalenceContext &Context, |
| const ArrayType *Array1, |
| const ArrayType *Array2) { |
| if (!IsStructurallyEquivalent(Context, |
| Array1->getElementType(), |
| Array2->getElementType())) |
| return false; |
| if (Array1->getSizeModifier() != Array2->getSizeModifier()) |
| return false; |
| if (Array1->getIndexTypeQualifiers() != Array2->getIndexTypeQualifiers()) |
| return false; |
| |
| return true; |
| } |
| |
| /// \brief Determine structural equivalence of two types. |
| static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context, |
| QualType T1, QualType T2) { |
| if (T1.isNull() || T2.isNull()) |
| return T1.isNull() && T2.isNull(); |
| |
| if (!Context.StrictTypeSpelling) { |
| // We aren't being strict about token-to-token equivalence of types, |
| // so map down to the canonical type. |
| T1 = Context.C1.getCanonicalType(T1); |
| T2 = Context.C2.getCanonicalType(T2); |
| } |
| |
| if (T1.getQualifiers() != T2.getQualifiers()) |
| return false; |
| |
| Type::TypeClass TC = T1->getTypeClass(); |
| |
| if (T1->getTypeClass() != T2->getTypeClass()) { |
| // Compare function types with prototypes vs. without prototypes as if |
| // both did not have prototypes. |
| if (T1->getTypeClass() == Type::FunctionProto && |
| T2->getTypeClass() == Type::FunctionNoProto) |
| TC = Type::FunctionNoProto; |
| else if (T1->getTypeClass() == Type::FunctionNoProto && |
| T2->getTypeClass() == Type::FunctionProto) |
| TC = Type::FunctionNoProto; |
| else |
| return false; |
| } |
| |
| switch (TC) { |
| case Type::Builtin: |
| // FIXME: Deal with Char_S/Char_U. |
| if (cast<BuiltinType>(T1)->getKind() != cast<BuiltinType>(T2)->getKind()) |
| return false; |
| break; |
| |
| case Type::Complex: |
| if (!IsStructurallyEquivalent(Context, |
| cast<ComplexType>(T1)->getElementType(), |
| cast<ComplexType>(T2)->getElementType())) |
| return false; |
| break; |
| |
| case Type::Adjusted: |
| case Type::Decayed: |
| if (!IsStructurallyEquivalent(Context, |
| cast<AdjustedType>(T1)->getOriginalType(), |
| cast<AdjustedType>(T2)->getOriginalType())) |
| return false; |
| break; |
| |
| case Type::Pointer: |
| if (!IsStructurallyEquivalent(Context, |
| cast<PointerType>(T1)->getPointeeType(), |
| cast<PointerType>(T2)->getPointeeType())) |
| return false; |
| break; |
| |
| case Type::BlockPointer: |
| if (!IsStructurallyEquivalent(Context, |
| cast<BlockPointerType>(T1)->getPointeeType(), |
| cast<BlockPointerType>(T2)->getPointeeType())) |
| return false; |
| break; |
| |
| case Type::LValueReference: |
| case Type::RValueReference: { |
| const ReferenceType *Ref1 = cast<ReferenceType>(T1); |
| const ReferenceType *Ref2 = cast<ReferenceType>(T2); |
| if (Ref1->isSpelledAsLValue() != Ref2->isSpelledAsLValue()) |
| return false; |
| if (Ref1->isInnerRef() != Ref2->isInnerRef()) |
| return false; |
| if (!IsStructurallyEquivalent(Context, |
| Ref1->getPointeeTypeAsWritten(), |
| Ref2->getPointeeTypeAsWritten())) |
| return false; |
| break; |
| } |
| |
| case Type::MemberPointer: { |
| const MemberPointerType *MemPtr1 = cast<MemberPointerType>(T1); |
| const MemberPointerType *MemPtr2 = cast<MemberPointerType>(T2); |
| if (!IsStructurallyEquivalent(Context, |
| MemPtr1->getPointeeType(), |
| MemPtr2->getPointeeType())) |
| return false; |
| if (!IsStructurallyEquivalent(Context, |
| QualType(MemPtr1->getClass(), 0), |
| QualType(MemPtr2->getClass(), 0))) |
| return false; |
| break; |
| } |
| |
| case Type::ConstantArray: { |
| const ConstantArrayType *Array1 = cast<ConstantArrayType>(T1); |
| const ConstantArrayType *Array2 = cast<ConstantArrayType>(T2); |
| if (!llvm::APInt::isSameValue(Array1->getSize(), Array2->getSize())) |
| return false; |
| |
| if (!IsArrayStructurallyEquivalent(Context, Array1, Array2)) |
| return false; |
| break; |
| } |
| |
| case Type::IncompleteArray: |
| if (!IsArrayStructurallyEquivalent(Context, |
| cast<ArrayType>(T1), |
| cast<ArrayType>(T2))) |
| return false; |
| break; |
| |
| case Type::VariableArray: { |
| const VariableArrayType *Array1 = cast<VariableArrayType>(T1); |
| const VariableArrayType *Array2 = cast<VariableArrayType>(T2); |
| if (!IsStructurallyEquivalent(Context, |
| Array1->getSizeExpr(), Array2->getSizeExpr())) |
| return false; |
| |
| if (!IsArrayStructurallyEquivalent(Context, Array1, Array2)) |
| return false; |
| |
| break; |
| } |
| |
| case Type::DependentSizedArray: { |
| const DependentSizedArrayType *Array1 = cast<DependentSizedArrayType>(T1); |
| const DependentSizedArrayType *Array2 = cast<DependentSizedArrayType>(T2); |
| if (!IsStructurallyEquivalent(Context, |
| Array1->getSizeExpr(), Array2->getSizeExpr())) |
| return false; |
| |
| if (!IsArrayStructurallyEquivalent(Context, Array1, Array2)) |
| return false; |
| |
| break; |
| } |
| |
| case Type::DependentSizedExtVector: { |
| const DependentSizedExtVectorType *Vec1 |
| = cast<DependentSizedExtVectorType>(T1); |
| const DependentSizedExtVectorType *Vec2 |
| = cast<DependentSizedExtVectorType>(T2); |
| if (!IsStructurallyEquivalent(Context, |
| Vec1->getSizeExpr(), Vec2->getSizeExpr())) |
| return false; |
| if (!IsStructurallyEquivalent(Context, |
| Vec1->getElementType(), |
| Vec2->getElementType())) |
| return false; |
| break; |
| } |
| |
| case Type::Vector: |
| case Type::ExtVector: { |
| const VectorType *Vec1 = cast<VectorType>(T1); |
| const VectorType *Vec2 = cast<VectorType>(T2); |
| if (!IsStructurallyEquivalent(Context, |
| Vec1->getElementType(), |
| Vec2->getElementType())) |
| return false; |
| if (Vec1->getNumElements() != Vec2->getNumElements()) |
| return false; |
| if (Vec1->getVectorKind() != Vec2->getVectorKind()) |
| return false; |
| break; |
| } |
| |
| case Type::FunctionProto: { |
| const FunctionProtoType *Proto1 = cast<FunctionProtoType>(T1); |
| const FunctionProtoType *Proto2 = cast<FunctionProtoType>(T2); |
| if (Proto1->getNumParams() != Proto2->getNumParams()) |
| return false; |
| for (unsigned I = 0, N = Proto1->getNumParams(); I != N; ++I) { |
| if (!IsStructurallyEquivalent(Context, Proto1->getParamType(I), |
| Proto2->getParamType(I))) |
| return false; |
| } |
| if (Proto1->isVariadic() != Proto2->isVariadic()) |
| return false; |
| if (Proto1->getExceptionSpecType() != Proto2->getExceptionSpecType()) |
| return false; |
| if (Proto1->getExceptionSpecType() == EST_Dynamic) { |
| if (Proto1->getNumExceptions() != Proto2->getNumExceptions()) |
| return false; |
| for (unsigned I = 0, N = Proto1->getNumExceptions(); I != N; ++I) { |
| if (!IsStructurallyEquivalent(Context, |
| Proto1->getExceptionType(I), |
| Proto2->getExceptionType(I))) |
| return false; |
| } |
| } else if (Proto1->getExceptionSpecType() == EST_ComputedNoexcept) { |
| if (!IsStructurallyEquivalent(Context, |
| Proto1->getNoexceptExpr(), |
| Proto2->getNoexceptExpr())) |
| return false; |
| } |
| if (Proto1->getTypeQuals() != Proto2->getTypeQuals()) |
| return false; |
| |
| // Fall through to check the bits common with FunctionNoProtoType. |
| } |
| |
| case Type::FunctionNoProto: { |
| const FunctionType *Function1 = cast<FunctionType>(T1); |
| const FunctionType *Function2 = cast<FunctionType>(T2); |
| if (!IsStructurallyEquivalent(Context, Function1->getReturnType(), |
| Function2->getReturnType())) |
| return false; |
| if (Function1->getExtInfo() != Function2->getExtInfo()) |
| return false; |
| break; |
| } |
| |
| case Type::UnresolvedUsing: |
| if (!IsStructurallyEquivalent(Context, |
| cast<UnresolvedUsingType>(T1)->getDecl(), |
| cast<UnresolvedUsingType>(T2)->getDecl())) |
| return false; |
| |
| break; |
| |
| case Type::Attributed: |
| if (!IsStructurallyEquivalent(Context, |
| cast<AttributedType>(T1)->getModifiedType(), |
| cast<AttributedType>(T2)->getModifiedType())) |
| return false; |
| if (!IsStructurallyEquivalent(Context, |
| cast<AttributedType>(T1)->getEquivalentType(), |
| cast<AttributedType>(T2)->getEquivalentType())) |
| return false; |
| break; |
| |
| case Type::Paren: |
| if (!IsStructurallyEquivalent(Context, |
| cast<ParenType>(T1)->getInnerType(), |
| cast<ParenType>(T2)->getInnerType())) |
| return false; |
| break; |
| |
| case Type::Typedef: |
| if (!IsStructurallyEquivalent(Context, |
| cast<TypedefType>(T1)->getDecl(), |
| cast<TypedefType>(T2)->getDecl())) |
| return false; |
| break; |
| |
| case Type::TypeOfExpr: |
| if (!IsStructurallyEquivalent(Context, |
| cast<TypeOfExprType>(T1)->getUnderlyingExpr(), |
| cast<TypeOfExprType>(T2)->getUnderlyingExpr())) |
| return false; |
| break; |
| |
| case Type::TypeOf: |
| if (!IsStructurallyEquivalent(Context, |
| cast<TypeOfType>(T1)->getUnderlyingType(), |
| cast<TypeOfType>(T2)->getUnderlyingType())) |
| return false; |
| break; |
| |
| case Type::UnaryTransform: |
| if (!IsStructurallyEquivalent(Context, |
| cast<UnaryTransformType>(T1)->getUnderlyingType(), |
| cast<UnaryTransformType>(T1)->getUnderlyingType())) |
| return false; |
| break; |
| |
| case Type::Decltype: |
| if (!IsStructurallyEquivalent(Context, |
| cast<DecltypeType>(T1)->getUnderlyingExpr(), |
| cast<DecltypeType>(T2)->getUnderlyingExpr())) |
| return false; |
| break; |
| |
| case Type::Auto: |
| if (!IsStructurallyEquivalent(Context, |
| cast<AutoType>(T1)->getDeducedType(), |
| cast<AutoType>(T2)->getDeducedType())) |
| return false; |
| break; |
| |
| case Type::Record: |
| case Type::Enum: |
| if (!IsStructurallyEquivalent(Context, |
| cast<TagType>(T1)->getDecl(), |
| cast<TagType>(T2)->getDecl())) |
| return false; |
| break; |
| |
| case Type::TemplateTypeParm: { |
| const TemplateTypeParmType *Parm1 = cast<TemplateTypeParmType>(T1); |
| const TemplateTypeParmType *Parm2 = cast<TemplateTypeParmType>(T2); |
| if (Parm1->getDepth() != Parm2->getDepth()) |
| return false; |
| if (Parm1->getIndex() != Parm2->getIndex()) |
| return false; |
| if (Parm1->isParameterPack() != Parm2->isParameterPack()) |
| return false; |
| |
| // Names of template type parameters are never significant. |
| break; |
| } |
| |
| case Type::SubstTemplateTypeParm: { |
| const SubstTemplateTypeParmType *Subst1 |
| = cast<SubstTemplateTypeParmType>(T1); |
| const SubstTemplateTypeParmType *Subst2 |
| = cast<SubstTemplateTypeParmType>(T2); |
| if (!IsStructurallyEquivalent(Context, |
| QualType(Subst1->getReplacedParameter(), 0), |
| QualType(Subst2->getReplacedParameter(), 0))) |
| return false; |
| if (!IsStructurallyEquivalent(Context, |
| Subst1->getReplacementType(), |
| Subst2->getReplacementType())) |
| return false; |
| break; |
| } |
| |
| case Type::SubstTemplateTypeParmPack: { |
| const SubstTemplateTypeParmPackType *Subst1 |
| = cast<SubstTemplateTypeParmPackType>(T1); |
| const SubstTemplateTypeParmPackType *Subst2 |
| = cast<SubstTemplateTypeParmPackType>(T2); |
| if (!IsStructurallyEquivalent(Context, |
| QualType(Subst1->getReplacedParameter(), 0), |
| QualType(Subst2->getReplacedParameter(), 0))) |
| return false; |
| if (!IsStructurallyEquivalent(Context, |
| Subst1->getArgumentPack(), |
| Subst2->getArgumentPack())) |
| return false; |
| break; |
| } |
| case Type::TemplateSpecialization: { |
| const TemplateSpecializationType *Spec1 |
| = cast<TemplateSpecializationType>(T1); |
| const TemplateSpecializationType *Spec2 |
| = cast<TemplateSpecializationType>(T2); |
| if (!IsStructurallyEquivalent(Context, |
| Spec1->getTemplateName(), |
| Spec2->getTemplateName())) |
| return false; |
| if (Spec1->getNumArgs() != Spec2->getNumArgs()) |
| return false; |
| for (unsigned I = 0, N = Spec1->getNumArgs(); I != N; ++I) { |
| if (!IsStructurallyEquivalent(Context, |
| Spec1->getArg(I), Spec2->getArg(I))) |
| return false; |
| } |
| break; |
| } |
| |
| case Type::Elaborated: { |
| const ElaboratedType *Elab1 = cast<ElaboratedType>(T1); |
| const ElaboratedType *Elab2 = cast<ElaboratedType>(T2); |
| // CHECKME: what if a keyword is ETK_None or ETK_typename ? |
| if (Elab1->getKeyword() != Elab2->getKeyword()) |
| return false; |
| if (!IsStructurallyEquivalent(Context, |
| Elab1->getQualifier(), |
| Elab2->getQualifier())) |
| return false; |
| if (!IsStructurallyEquivalent(Context, |
| Elab1->getNamedType(), |
| Elab2->getNamedType())) |
| return false; |
| break; |
| } |
| |
| case Type::InjectedClassName: { |
| const InjectedClassNameType *Inj1 = cast<InjectedClassNameType>(T1); |
| const InjectedClassNameType *Inj2 = cast<InjectedClassNameType>(T2); |
| if (!IsStructurallyEquivalent(Context, |
| Inj1->getInjectedSpecializationType(), |
| Inj2->getInjectedSpecializationType())) |
| return false; |
| break; |
| } |
| |
| case Type::DependentName: { |
| const DependentNameType *Typename1 = cast<DependentNameType>(T1); |
| const DependentNameType *Typename2 = cast<DependentNameType>(T2); |
| if (!IsStructurallyEquivalent(Context, |
| Typename1->getQualifier(), |
| Typename2->getQualifier())) |
| return false; |
| if (!IsStructurallyEquivalent(Typename1->getIdentifier(), |
| Typename2->getIdentifier())) |
| return false; |
| |
| break; |
| } |
| |
| case Type::DependentTemplateSpecialization: { |
| const DependentTemplateSpecializationType *Spec1 = |
| cast<DependentTemplateSpecializationType>(T1); |
| const DependentTemplateSpecializationType *Spec2 = |
| cast<DependentTemplateSpecializationType>(T2); |
| if (!IsStructurallyEquivalent(Context, |
| Spec1->getQualifier(), |
| Spec2->getQualifier())) |
| return false; |
| if (!IsStructurallyEquivalent(Spec1->getIdentifier(), |
| Spec2->getIdentifier())) |
| return false; |
| if (Spec1->getNumArgs() != Spec2->getNumArgs()) |
| return false; |
| for (unsigned I = 0, N = Spec1->getNumArgs(); I != N; ++I) { |
| if (!IsStructurallyEquivalent(Context, |
| Spec1->getArg(I), Spec2->getArg(I))) |
| return false; |
| } |
| break; |
| } |
| |
| case Type::PackExpansion: |
| if (!IsStructurallyEquivalent(Context, |
| cast<PackExpansionType>(T1)->getPattern(), |
| cast<PackExpansionType>(T2)->getPattern())) |
| return false; |
| break; |
| |
| case Type::ObjCInterface: { |
| const ObjCInterfaceType *Iface1 = cast<ObjCInterfaceType>(T1); |
| const ObjCInterfaceType *Iface2 = cast<ObjCInterfaceType>(T2); |
| if (!IsStructurallyEquivalent(Context, |
| Iface1->getDecl(), Iface2->getDecl())) |
| return false; |
| break; |
| } |
| |
| case Type::ObjCTypeParam: { |
| const ObjCTypeParamType *Obj1 = cast<ObjCTypeParamType>(T1); |
| const ObjCTypeParamType *Obj2 = cast<ObjCTypeParamType>(T2); |
| if (!IsStructurallyEquivalent(Context, Obj1->getDecl(), |
| Obj2->getDecl())) |
| return false; |
| |
| if (Obj1->getNumProtocols() != Obj2->getNumProtocols()) |
| return false; |
| for (unsigned I = 0, N = Obj1->getNumProtocols(); I != N; ++I) { |
| if (!IsStructurallyEquivalent(Context, |
| Obj1->getProtocol(I), |
| Obj2->getProtocol(I))) |
| return false; |
| } |
| break; |
| } |
| case Type::ObjCObject: { |
| const ObjCObjectType *Obj1 = cast<ObjCObjectType>(T1); |
| const ObjCObjectType *Obj2 = cast<ObjCObjectType>(T2); |
| if (!IsStructurallyEquivalent(Context, |
| Obj1->getBaseType(), |
| Obj2->getBaseType())) |
| return false; |
| if (Obj1->getNumProtocols() != Obj2->getNumProtocols()) |
| return false; |
| for (unsigned I = 0, N = Obj1->getNumProtocols(); I != N; ++I) { |
| if (!IsStructurallyEquivalent(Context, |
| Obj1->getProtocol(I), |
| Obj2->getProtocol(I))) |
| return false; |
| } |
| break; |
| } |
| |
| case Type::ObjCObjectPointer: { |
| const ObjCObjectPointerType *Ptr1 = cast<ObjCObjectPointerType>(T1); |
| const ObjCObjectPointerType *Ptr2 = cast<ObjCObjectPointerType>(T2); |
| if (!IsStructurallyEquivalent(Context, |
| Ptr1->getPointeeType(), |
| Ptr2->getPointeeType())) |
| return false; |
| break; |
| } |
| |
| case Type::Atomic: { |
| if (!IsStructurallyEquivalent(Context, |
| cast<AtomicType>(T1)->getValueType(), |
| cast<AtomicType>(T2)->getValueType())) |
| return false; |
| break; |
| } |
| |
| case Type::Pipe: { |
| if (!IsStructurallyEquivalent(Context, |
| cast<PipeType>(T1)->getElementType(), |
| cast<PipeType>(T2)->getElementType())) |
| return false; |
| break; |
| } |
| |
| } // end switch |
| |
| return true; |
| } |
| |
| /// \brief Determine structural equivalence of two fields. |
| static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context, |
| FieldDecl *Field1, FieldDecl *Field2) { |
| RecordDecl *Owner2 = cast<RecordDecl>(Field2->getDeclContext()); |
| |
| // For anonymous structs/unions, match up the anonymous struct/union type |
| // declarations directly, so that we don't go off searching for anonymous |
| // types |
| if (Field1->isAnonymousStructOrUnion() && |
| Field2->isAnonymousStructOrUnion()) { |
| RecordDecl *D1 = Field1->getType()->castAs<RecordType>()->getDecl(); |
| RecordDecl *D2 = Field2->getType()->castAs<RecordType>()->getDecl(); |
| return IsStructurallyEquivalent(Context, D1, D2); |
| } |
| |
| // Check for equivalent field names. |
| IdentifierInfo *Name1 = Field1->getIdentifier(); |
| IdentifierInfo *Name2 = Field2->getIdentifier(); |
| if (!::IsStructurallyEquivalent(Name1, Name2)) |
| return false; |
| |
| if (!IsStructurallyEquivalent(Context, |
| Field1->getType(), Field2->getType())) { |
| if (Context.Complain) { |
| Context.Diag2(Owner2->getLocation(), diag::warn_odr_tag_type_inconsistent) |
| << Context.C2.getTypeDeclType(Owner2); |
| Context.Diag2(Field2->getLocation(), diag::note_odr_field) |
| << Field2->getDeclName() << Field2->getType(); |
| Context.Diag1(Field1->getLocation(), diag::note_odr_field) |
| << Field1->getDeclName() << Field1->getType(); |
| } |
| return false; |
| } |
| |
| if (Field1->isBitField() != Field2->isBitField()) { |
| if (Context.Complain) { |
| Context.Diag2(Owner2->getLocation(), diag::warn_odr_tag_type_inconsistent) |
| << Context.C2.getTypeDeclType(Owner2); |
| if (Field1->isBitField()) { |
| Context.Diag1(Field1->getLocation(), diag::note_odr_bit_field) |
| << Field1->getDeclName() << Field1->getType() |
| << Field1->getBitWidthValue(Context.C1); |
| Context.Diag2(Field2->getLocation(), diag::note_odr_not_bit_field) |
| << Field2->getDeclName(); |
| } else { |
| Context.Diag2(Field2->getLocation(), diag::note_odr_bit_field) |
| << Field2->getDeclName() << Field2->getType() |
| << Field2->getBitWidthValue(Context.C2); |
| Context.Diag1(Field1->getLocation(), diag::note_odr_not_bit_field) |
| << Field1->getDeclName(); |
| } |
| } |
| return false; |
| } |
| |
| if (Field1->isBitField()) { |
| // Make sure that the bit-fields are the same length. |
| unsigned Bits1 = Field1->getBitWidthValue(Context.C1); |
| unsigned Bits2 = Field2->getBitWidthValue(Context.C2); |
| |
| if (Bits1 != Bits2) { |
| if (Context.Complain) { |
| Context.Diag2(Owner2->getLocation(), diag::warn_odr_tag_type_inconsistent) |
| << Context.C2.getTypeDeclType(Owner2); |
| Context.Diag2(Field2->getLocation(), diag::note_odr_bit_field) |
| << Field2->getDeclName() << Field2->getType() << Bits2; |
| Context.Diag1(Field1->getLocation(), diag::note_odr_bit_field) |
| << Field1->getDeclName() << Field1->getType() << Bits1; |
| } |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| /// \brief Find the index of the given anonymous struct/union within its |
| /// context. |
| /// |
| /// \returns Returns the index of this anonymous struct/union in its context, |
| /// including the next assigned index (if none of them match). Returns an |
| /// empty option if the context is not a record, i.e.. if the anonymous |
| /// struct/union is at namespace or block scope. |
| static Optional<unsigned> findUntaggedStructOrUnionIndex(RecordDecl *Anon) { |
| ASTContext &Context = Anon->getASTContext(); |
| QualType AnonTy = Context.getRecordType(Anon); |
| |
| RecordDecl *Owner = dyn_cast<RecordDecl>(Anon->getDeclContext()); |
| if (!Owner) |
| return None; |
| |
| unsigned Index = 0; |
| for (const auto *D : Owner->noload_decls()) { |
| const auto *F = dyn_cast<FieldDecl>(D); |
| if (!F) |
| continue; |
| |
| if (F->isAnonymousStructOrUnion()) { |
| if (Context.hasSameType(F->getType(), AnonTy)) |
| break; |
| ++Index; |
| continue; |
| } |
| |
| // If the field looks like this: |
| // struct { ... } A; |
| QualType FieldType = F->getType(); |
| if (const auto *RecType = dyn_cast<RecordType>(FieldType)) { |
| const RecordDecl *RecDecl = RecType->getDecl(); |
| if (RecDecl->getDeclContext() == Owner && |
| !RecDecl->getIdentifier()) { |
| if (Context.hasSameType(FieldType, AnonTy)) |
| break; |
| ++Index; |
| continue; |
| } |
| } |
| } |
| |
| return Index; |
| } |
| |
| /// \brief Determine structural equivalence of two records. |
| static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context, |
| RecordDecl *D1, RecordDecl *D2) { |
| if (D1->isUnion() != D2->isUnion()) { |
| if (Context.Complain) { |
| Context.Diag2(D2->getLocation(), diag::warn_odr_tag_type_inconsistent) |
| << Context.C2.getTypeDeclType(D2); |
| Context.Diag1(D1->getLocation(), diag::note_odr_tag_kind_here) |
| << D1->getDeclName() << (unsigned)D1->getTagKind(); |
| } |
| return false; |
| } |
| |
| if (D1->isAnonymousStructOrUnion() && D2->isAnonymousStructOrUnion()) { |
| // If both anonymous structs/unions are in a record context, make sure |
| // they occur in the same location in the context records. |
| if (Optional<unsigned> Index1 = findUntaggedStructOrUnionIndex(D1)) { |
| if (Optional<unsigned> Index2 = findUntaggedStructOrUnionIndex(D2)) { |
| if (*Index1 != *Index2) |
| return false; |
| } |
| } |
| } |
| |
| // If both declarations are class template specializations, we know |
| // the ODR applies, so check the template and template arguments. |
| ClassTemplateSpecializationDecl *Spec1 |
| = dyn_cast<ClassTemplateSpecializationDecl>(D1); |
| ClassTemplateSpecializationDecl *Spec2 |
| = dyn_cast<ClassTemplateSpecializationDecl>(D2); |
| if (Spec1 && Spec2) { |
| // Check that the specialized templates are the same. |
| if (!IsStructurallyEquivalent(Context, Spec1->getSpecializedTemplate(), |
| Spec2->getSpecializedTemplate())) |
| return false; |
| |
| // Check that the template arguments are the same. |
| if (Spec1->getTemplateArgs().size() != Spec2->getTemplateArgs().size()) |
| return false; |
| |
| for (unsigned I = 0, N = Spec1->getTemplateArgs().size(); I != N; ++I) |
| if (!IsStructurallyEquivalent(Context, |
| Spec1->getTemplateArgs().get(I), |
| Spec2->getTemplateArgs().get(I))) |
| return false; |
| } |
| // If one is a class template specialization and the other is not, these |
| // structures are different. |
| else if (Spec1 || Spec2) |
| return false; |
| |
| // Compare the definitions of these two records. If either or both are |
| // incomplete, we assume that they are equivalent. |
| D1 = D1->getDefinition(); |
| D2 = D2->getDefinition(); |
| if (!D1 || !D2) |
| return true; |
| |
| if (CXXRecordDecl *D1CXX = dyn_cast<CXXRecordDecl>(D1)) { |
| if (CXXRecordDecl *D2CXX = dyn_cast<CXXRecordDecl>(D2)) { |
| if (D1CXX->getNumBases() != D2CXX->getNumBases()) { |
| if (Context.Complain) { |
| Context.Diag2(D2->getLocation(), diag::warn_odr_tag_type_inconsistent) |
| << Context.C2.getTypeDeclType(D2); |
| Context.Diag2(D2->getLocation(), diag::note_odr_number_of_bases) |
| << D2CXX->getNumBases(); |
| Context.Diag1(D1->getLocation(), diag::note_odr_number_of_bases) |
| << D1CXX->getNumBases(); |
| } |
| return false; |
| } |
| |
| // Check the base classes. |
| for (CXXRecordDecl::base_class_iterator Base1 = D1CXX->bases_begin(), |
| BaseEnd1 = D1CXX->bases_end(), |
| Base2 = D2CXX->bases_begin(); |
| Base1 != BaseEnd1; |
| ++Base1, ++Base2) { |
| if (!IsStructurallyEquivalent(Context, |
| Base1->getType(), Base2->getType())) { |
| if (Context.Complain) { |
| Context.Diag2(D2->getLocation(), diag::warn_odr_tag_type_inconsistent) |
| << Context.C2.getTypeDeclType(D2); |
| Context.Diag2(Base2->getLocStart(), diag::note_odr_base) |
| << Base2->getType() |
| << Base2->getSourceRange(); |
| Context.Diag1(Base1->getLocStart(), diag::note_odr_base) |
| << Base1->getType() |
| << Base1->getSourceRange(); |
| } |
| return false; |
| } |
| |
| // Check virtual vs. non-virtual inheritance mismatch. |
| if (Base1->isVirtual() != Base2->isVirtual()) { |
| if (Context.Complain) { |
| Context.Diag2(D2->getLocation(), diag::warn_odr_tag_type_inconsistent) |
| << Context.C2.getTypeDeclType(D2); |
| Context.Diag2(Base2->getLocStart(), |
| diag::note_odr_virtual_base) |
| << Base2->isVirtual() << Base2->getSourceRange(); |
| Context.Diag1(Base1->getLocStart(), diag::note_odr_base) |
| << Base1->isVirtual() |
| << Base1->getSourceRange(); |
| } |
| return false; |
| } |
| } |
| } else if (D1CXX->getNumBases() > 0) { |
| if (Context.Complain) { |
| Context.Diag2(D2->getLocation(), diag::warn_odr_tag_type_inconsistent) |
| << Context.C2.getTypeDeclType(D2); |
| const CXXBaseSpecifier *Base1 = D1CXX->bases_begin(); |
| Context.Diag1(Base1->getLocStart(), diag::note_odr_base) |
| << Base1->getType() |
| << Base1->getSourceRange(); |
| Context.Diag2(D2->getLocation(), diag::note_odr_missing_base); |
| } |
| return false; |
| } |
| } |
| |
| // Check the fields for consistency. |
| RecordDecl::field_iterator Field2 = D2->field_begin(), |
| Field2End = D2->field_end(); |
| for (RecordDecl::field_iterator Field1 = D1->field_begin(), |
| Field1End = D1->field_end(); |
| Field1 != Field1End; |
| ++Field1, ++Field2) { |
| if (Field2 == Field2End) { |
| if (Context.Complain) { |
| Context.Diag2(D2->getLocation(), diag::warn_odr_tag_type_inconsistent) |
| << Context.C2.getTypeDeclType(D2); |
| Context.Diag1(Field1->getLocation(), diag::note_odr_field) |
| << Field1->getDeclName() << Field1->getType(); |
| Context.Diag2(D2->getLocation(), diag::note_odr_missing_field); |
| } |
| return false; |
| } |
| |
| if (!IsStructurallyEquivalent(Context, *Field1, *Field2)) |
| return false; |
| } |
| |
| if (Field2 != Field2End) { |
| if (Context.Complain) { |
| Context.Diag2(D2->getLocation(), diag::warn_odr_tag_type_inconsistent) |
| << Context.C2.getTypeDeclType(D2); |
| Context.Diag2(Field2->getLocation(), diag::note_odr_field) |
| << Field2->getDeclName() << Field2->getType(); |
| Context.Diag1(D1->getLocation(), diag::note_odr_missing_field); |
| } |
| return false; |
| } |
| |
| return true; |
| } |
| |
| /// \brief Determine structural equivalence of two enums. |
| static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context, |
| EnumDecl *D1, EnumDecl *D2) { |
| EnumDecl::enumerator_iterator EC2 = D2->enumerator_begin(), |
| EC2End = D2->enumerator_end(); |
| for (EnumDecl::enumerator_iterator EC1 = D1->enumerator_begin(), |
| EC1End = D1->enumerator_end(); |
| EC1 != EC1End; ++EC1, ++EC2) { |
| if (EC2 == EC2End) { |
| if (Context.Complain) { |
| Context.Diag2(D2->getLocation(), diag::warn_odr_tag_type_inconsistent) |
| << Context.C2.getTypeDeclType(D2); |
| Context.Diag1(EC1->getLocation(), diag::note_odr_enumerator) |
| << EC1->getDeclName() |
| << EC1->getInitVal().toString(10); |
| Context.Diag2(D2->getLocation(), diag::note_odr_missing_enumerator); |
| } |
| return false; |
| } |
| |
| llvm::APSInt Val1 = EC1->getInitVal(); |
| llvm::APSInt Val2 = EC2->getInitVal(); |
| if (!llvm::APSInt::isSameValue(Val1, Val2) || |
| !IsStructurallyEquivalent(EC1->getIdentifier(), EC2->getIdentifier())) { |
| if (Context.Complain) { |
| Context.Diag2(D2->getLocation(), diag::warn_odr_tag_type_inconsistent) |
| << Context.C2.getTypeDeclType(D2); |
| Context.Diag2(EC2->getLocation(), diag::note_odr_enumerator) |
| << EC2->getDeclName() |
| << EC2->getInitVal().toString(10); |
| Context.Diag1(EC1->getLocation(), diag::note_odr_enumerator) |
| << EC1->getDeclName() |
| << EC1->getInitVal().toString(10); |
| } |
| return false; |
| } |
| } |
| |
| if (EC2 != EC2End) { |
| if (Context.Complain) { |
| Context.Diag2(D2->getLocation(), diag::warn_odr_tag_type_inconsistent) |
| << Context.C2.getTypeDeclType(D2); |
| Context.Diag2(EC2->getLocation(), diag::note_odr_enumerator) |
| << EC2->getDeclName() |
| << EC2->getInitVal().toString(10); |
| Context.Diag1(D1->getLocation(), diag::note_odr_missing_enumerator); |
| } |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context, |
| TemplateParameterList *Params1, |
| TemplateParameterList *Params2) { |
| if (Params1->size() != Params2->size()) { |
| if (Context.Complain) { |
| Context.Diag2(Params2->getTemplateLoc(), |
| diag::err_odr_different_num_template_parameters) |
| << Params1->size() << Params2->size(); |
| Context.Diag1(Params1->getTemplateLoc(), |
| diag::note_odr_template_parameter_list); |
| } |
| return false; |
| } |
| |
| for (unsigned I = 0, N = Params1->size(); I != N; ++I) { |
| if (Params1->getParam(I)->getKind() != Params2->getParam(I)->getKind()) { |
| if (Context.Complain) { |
| Context.Diag2(Params2->getParam(I)->getLocation(), |
| diag::err_odr_different_template_parameter_kind); |
| Context.Diag1(Params1->getParam(I)->getLocation(), |
| diag::note_odr_template_parameter_here); |
| } |
| return false; |
| } |
| |
| if (!Context.IsStructurallyEquivalent(Params1->getParam(I), |
| Params2->getParam(I))) { |
| |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context, |
| TemplateTypeParmDecl *D1, |
| TemplateTypeParmDecl *D2) { |
| if (D1->isParameterPack() != D2->isParameterPack()) { |
| if (Context.Complain) { |
| Context.Diag2(D2->getLocation(), diag::err_odr_parameter_pack_non_pack) |
| << D2->isParameterPack(); |
| Context.Diag1(D1->getLocation(), diag::note_odr_parameter_pack_non_pack) |
| << D1->isParameterPack(); |
| } |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context, |
| NonTypeTemplateParmDecl *D1, |
| NonTypeTemplateParmDecl *D2) { |
| if (D1->isParameterPack() != D2->isParameterPack()) { |
| if (Context.Complain) { |
| Context.Diag2(D2->getLocation(), diag::err_odr_parameter_pack_non_pack) |
| << D2->isParameterPack(); |
| Context.Diag1(D1->getLocation(), diag::note_odr_parameter_pack_non_pack) |
| << D1->isParameterPack(); |
| } |
| return false; |
| } |
| |
| // Check types. |
| if (!Context.IsStructurallyEquivalent(D1->getType(), D2->getType())) { |
| if (Context.Complain) { |
| Context.Diag2(D2->getLocation(), |
| diag::err_odr_non_type_parameter_type_inconsistent) |
| << D2->getType() << D1->getType(); |
| Context.Diag1(D1->getLocation(), diag::note_odr_value_here) |
| << D1->getType(); |
| } |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context, |
| TemplateTemplateParmDecl *D1, |
| TemplateTemplateParmDecl *D2) { |
| if (D1->isParameterPack() != D2->isParameterPack()) { |
| if (Context.Complain) { |
| Context.Diag2(D2->getLocation(), diag::err_odr_parameter_pack_non_pack) |
| << D2->isParameterPack(); |
| Context.Diag1(D1->getLocation(), diag::note_odr_parameter_pack_non_pack) |
| << D1->isParameterPack(); |
| } |
| return false; |
| } |
| |
| // Check template parameter lists. |
| return IsStructurallyEquivalent(Context, D1->getTemplateParameters(), |
| D2->getTemplateParameters()); |
| } |
| |
| static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context, |
| ClassTemplateDecl *D1, |
| ClassTemplateDecl *D2) { |
| // Check template parameters. |
| if (!IsStructurallyEquivalent(Context, |
| D1->getTemplateParameters(), |
| D2->getTemplateParameters())) |
| return false; |
| |
| // Check the templated declaration. |
| return Context.IsStructurallyEquivalent(D1->getTemplatedDecl(), |
| D2->getTemplatedDecl()); |
| } |
| |
| /// \brief Determine structural equivalence of two declarations. |
| static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context, |
| Decl *D1, Decl *D2) { |
| // FIXME: Check for known structural equivalences via a callback of some sort. |
| |
| // Check whether we already know that these two declarations are not |
| // structurally equivalent. |
| if (Context.NonEquivalentDecls.count(std::make_pair(D1->getCanonicalDecl(), |
| D2->getCanonicalDecl()))) |
| return false; |
| |
| // Determine whether we've already produced a tentative equivalence for D1. |
| Decl *&EquivToD1 = Context.TentativeEquivalences[D1->getCanonicalDecl()]; |
| if (EquivToD1) |
| return EquivToD1 == D2->getCanonicalDecl(); |
| |
| // Produce a tentative equivalence D1 <-> D2, which will be checked later. |
| EquivToD1 = D2->getCanonicalDecl(); |
| Context.DeclsToCheck.push_back(D1->getCanonicalDecl()); |
| return true; |
| } |
| |
| bool StructuralEquivalenceContext::IsStructurallyEquivalent(Decl *D1, |
| Decl *D2) { |
| if (!::IsStructurallyEquivalent(*this, D1, D2)) |
| return false; |
| |
| return !Finish(); |
| } |
| |
| bool StructuralEquivalenceContext::IsStructurallyEquivalent(QualType T1, |
| QualType T2) { |
| if (!::IsStructurallyEquivalent(*this, T1, T2)) |
| return false; |
| |
| return !Finish(); |
| } |
| |
| bool StructuralEquivalenceContext::Finish() { |
| while (!DeclsToCheck.empty()) { |
| // Check the next declaration. |
| Decl *D1 = DeclsToCheck.front(); |
| DeclsToCheck.pop_front(); |
| |
| Decl *D2 = TentativeEquivalences[D1]; |
| assert(D2 && "Unrecorded tentative equivalence?"); |
| |
| bool Equivalent = true; |
| |
| // FIXME: Switch on all declaration kinds. For now, we're just going to |
| // check the obvious ones. |
| if (RecordDecl *Record1 = dyn_cast<RecordDecl>(D1)) { |
| if (RecordDecl *Record2 = dyn_cast<RecordDecl>(D2)) { |
| // Check for equivalent structure names. |
| IdentifierInfo *Name1 = Record1->getIdentifier(); |
| if (!Name1 && Record1->getTypedefNameForAnonDecl()) |
| Name1 = Record1->getTypedefNameForAnonDecl()->getIdentifier(); |
| IdentifierInfo *Name2 = Record2->getIdentifier(); |
| if (!Name2 && Record2->getTypedefNameForAnonDecl()) |
| Name2 = Record2->getTypedefNameForAnonDecl()->getIdentifier(); |
| if (!::IsStructurallyEquivalent(Name1, Name2) || |
| !::IsStructurallyEquivalent(*this, Record1, Record2)) |
| Equivalent = false; |
| } else { |
| // Record/non-record mismatch. |
| Equivalent = false; |
| } |
| } else if (EnumDecl *Enum1 = dyn_cast<EnumDecl>(D1)) { |
| if (EnumDecl *Enum2 = dyn_cast<EnumDecl>(D2)) { |
| // Check for equivalent enum names. |
| IdentifierInfo *Name1 = Enum1->getIdentifier(); |
| if (!Name1 && Enum1->getTypedefNameForAnonDecl()) |
| Name1 = Enum1->getTypedefNameForAnonDecl()->getIdentifier(); |
| IdentifierInfo *Name2 = Enum2->getIdentifier(); |
| if (!Name2 && Enum2->getTypedefNameForAnonDecl()) |
| Name2 = Enum2->getTypedefNameForAnonDecl()->getIdentifier(); |
| if (!::IsStructurallyEquivalent(Name1, Name2) || |
| !::IsStructurallyEquivalent(*this, Enum1, Enum2)) |
| Equivalent = false; |
| } else { |
| // Enum/non-enum mismatch |
| Equivalent = false; |
| } |
| } else if (TypedefNameDecl *Typedef1 = dyn_cast<TypedefNameDecl>(D1)) { |
| if (TypedefNameDecl *Typedef2 = dyn_cast<TypedefNameDecl>(D2)) { |
| if (!::IsStructurallyEquivalent(Typedef1->getIdentifier(), |
| Typedef2->getIdentifier()) || |
| !::IsStructurallyEquivalent(*this, |
| Typedef1->getUnderlyingType(), |
| Typedef2->getUnderlyingType())) |
| Equivalent = false; |
| } else { |
| // Typedef/non-typedef mismatch. |
| Equivalent = false; |
| } |
| } else if (ClassTemplateDecl *ClassTemplate1 |
| = dyn_cast<ClassTemplateDecl>(D1)) { |
| if (ClassTemplateDecl *ClassTemplate2 = dyn_cast<ClassTemplateDecl>(D2)) { |
| if (!::IsStructurallyEquivalent(ClassTemplate1->getIdentifier(), |
| ClassTemplate2->getIdentifier()) || |
| !::IsStructurallyEquivalent(*this, ClassTemplate1, ClassTemplate2)) |
| Equivalent = false; |
| } else { |
| // Class template/non-class-template mismatch. |
| Equivalent = false; |
| } |
| } else if (TemplateTypeParmDecl *TTP1= dyn_cast<TemplateTypeParmDecl>(D1)) { |
| if (TemplateTypeParmDecl *TTP2 = dyn_cast<TemplateTypeParmDecl>(D2)) { |
| if (!::IsStructurallyEquivalent(*this, TTP1, TTP2)) |
| Equivalent = false; |
| } else { |
| // Kind mismatch. |
| Equivalent = false; |
| } |
| } else if (NonTypeTemplateParmDecl *NTTP1 |
| = dyn_cast<NonTypeTemplateParmDecl>(D1)) { |
| if (NonTypeTemplateParmDecl *NTTP2 |
| = dyn_cast<NonTypeTemplateParmDecl>(D2)) { |
| if (!::IsStructurallyEquivalent(*this, NTTP1, NTTP2)) |
| Equivalent = false; |
| } else { |
| // Kind mismatch. |
| Equivalent = false; |
| } |
| } else if (TemplateTemplateParmDecl *TTP1 |
| = dyn_cast<TemplateTemplateParmDecl>(D1)) { |
| if (TemplateTemplateParmDecl *TTP2 |
| = dyn_cast<TemplateTemplateParmDecl>(D2)) { |
| if (!::IsStructurallyEquivalent(*this, TTP1, TTP2)) |
| Equivalent = false; |
| } else { |
| // Kind mismatch. |
| Equivalent = false; |
| } |
| } |
| |
| if (!Equivalent) { |
| // Note that these two declarations are not equivalent (and we already |
| // know about it). |
| NonEquivalentDecls.insert(std::make_pair(D1->getCanonicalDecl(), |
| D2->getCanonicalDecl())); |
| return true; |
| } |
| // FIXME: Check other declaration kinds! |
| } |
| |
| return false; |
| } |
| |
| //---------------------------------------------------------------------------- |
| // Import Types |
| //---------------------------------------------------------------------------- |
| |
| QualType ASTNodeImporter::VisitType(const Type *T) { |
| Importer.FromDiag(SourceLocation(), diag::err_unsupported_ast_node) |
| << T->getTypeClassName(); |
| return QualType(); |
| } |
| |
| 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::VisitComplexType(const ComplexType *T) { |
| QualType ToElementType = Importer.Import(T->getElementType()); |
| if (ToElementType.isNull()) |
| return QualType(); |
| |
| return Importer.getToContext().getComplexType(ToElementType); |
| } |
| |
| QualType ASTNodeImporter::VisitPointerType(const PointerType *T) { |
| QualType ToPointeeType = Importer.Import(T->getPointeeType()); |
| if (ToPointeeType.isNull()) |
| return QualType(); |
| |
| 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 QualType(); |
| |
| 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 QualType(); |
| |
| 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 QualType(); |
| |
| 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(); |
| |
| 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 QualType(); |
| |
| 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 QualType(); |
| |
| 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 QualType(); |
| |
| Expr *Size = Importer.Import(T->getSizeExpr()); |
| if (!Size) |
| return QualType(); |
| |
| SourceRange Brackets = Importer.Import(T->getBracketsRange()); |
| return Importer.getToContext().getVariableArrayType(ToElementType, Size, |
| T->getSizeModifier(), |
| T->getIndexTypeCVRQualifiers(), |
| Brackets); |
| } |
| |
| QualType ASTNodeImporter::VisitVectorType(const VectorType *T) { |
| QualType ToElementType = Importer.Import(T->getElementType()); |
| if (ToElementType.isNull()) |
| return QualType(); |
| |
| 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 QualType(); |
| |
| 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 QualType(); |
| |
| return Importer.getToContext().getFunctionNoProtoType(ToResultType, |
| T->getExtInfo()); |
| } |
| |
| QualType ASTNodeImporter::VisitFunctionProtoType(const FunctionProtoType *T) { |
| QualType ToResultType = Importer.Import(T->getReturnType()); |
| if (ToResultType.isNull()) |
| return QualType(); |
| |
| // Import argument types |
| SmallVector<QualType, 4> ArgTypes; |
| for (const auto &A : T->param_types()) { |
| QualType ArgType = Importer.Import(A); |
| if (ArgType.isNull()) |
| return QualType(); |
| 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 QualType(); |
| 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::VisitParenType(const ParenType *T) { |
| QualType ToInnerType = Importer.Import(T->getInnerType()); |
| if (ToInnerType.isNull()) |
| return QualType(); |
| |
| return Importer.getToContext().getParenType(ToInnerType); |
| } |
| |
| QualType ASTNodeImporter::VisitTypedefType(const TypedefType *T) { |
| TypedefNameDecl *ToDecl |
| = dyn_cast_or_null<TypedefNameDecl>(Importer.Import(T->getDecl())); |
| if (!ToDecl) |
| return QualType(); |
| |
| return Importer.getToContext().getTypeDeclType(ToDecl); |
| } |
| |
| QualType ASTNodeImporter::VisitTypeOfExprType(const TypeOfExprType *T) { |
| Expr *ToExpr = Importer.Import(T->getUnderlyingExpr()); |
| if (!ToExpr) |
| return QualType(); |
| |
| return Importer.getToContext().getTypeOfExprType(ToExpr); |
| } |
| |
| QualType ASTNodeImporter::VisitTypeOfType(const TypeOfType *T) { |
| QualType ToUnderlyingType = Importer.Import(T->getUnderlyingType()); |
| if (ToUnderlyingType.isNull()) |
| return QualType(); |
| |
| 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(); |
| |
| QualType UnderlyingType = Importer.Import(T->getUnderlyingType()); |
| if (UnderlyingType.isNull()) |
| return QualType(); |
| |
| 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 QualType(); |
| |
| 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 QualType(); |
| } |
| |
| return Importer.getToContext().getAutoType(ToDeduced, T->getKeyword(), |
| /*IsDependent*/false); |
| } |
| |
| QualType ASTNodeImporter::VisitInjectedClassNameType( |
| const InjectedClassNameType *T) { |
| CXXRecordDecl *D = cast_or_null<CXXRecordDecl>(Importer.Import(T->getDecl())); |
| if (!D) |
| return QualType(); |
| |
| QualType InjType = Importer.Import(T->getInjectedSpecializationType()); |
| if (InjType.isNull()) |
| return QualType(); |
| |
| // 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) { |
| RecordDecl *ToDecl |
| = dyn_cast_or_null<RecordDecl>(Importer.Import(T->getDecl())); |
| if (!ToDecl) |
| return QualType(); |
| |
| return Importer.getToContext().getTagDeclType(ToDecl); |
| } |
| |
| QualType ASTNodeImporter::VisitEnumType(const EnumType *T) { |
| EnumDecl *ToDecl |
| = dyn_cast_or_null<EnumDecl>(Importer.Import(T->getDecl())); |
| if (!ToDecl) |
| return QualType(); |
| |
| 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 QualType(); |
| } |
| if (!FromEquivalentType.isNull()) { |
| ToEquivalentType = Importer.Import(FromEquivalentType); |
| if (ToEquivalentType.isNull()) |
| return QualType(); |
| } |
| |
| return Importer.getToContext().getAttributedType(T->getAttrKind(), |
| ToModifiedType, ToEquivalentType); |
| } |
| |
| |
| QualType ASTNodeImporter::VisitTemplateTypeParmType( |
| const TemplateTypeParmType *T) { |
| TemplateTypeParmDecl *ParmDecl = |
| cast_or_null<TemplateTypeParmDecl>(Importer.Import(T->getDecl())); |
| if (!ParmDecl && T->getDecl()) |
| return QualType(); |
| |
| return Importer.getToContext().getTemplateTypeParmType( |
| T->getDepth(), T->getIndex(), T->isParameterPack(), ParmDecl); |
| } |
| |
| QualType ASTNodeImporter::VisitTemplateSpecializationType( |
| const TemplateSpecializationType *T) { |
| TemplateName ToTemplate = Importer.Import(T->getTemplateName()); |
| if (ToTemplate.isNull()) |
| return QualType(); |
| |
| SmallVector<TemplateArgument, 2> ToTemplateArgs; |
| if (ImportTemplateArguments(T->getArgs(), T->getNumArgs(), ToTemplateArgs)) |
| return QualType(); |
| |
| QualType ToCanonType; |
| if (!QualType(T, 0).isCanonical()) { |
| QualType FromCanonType |
| = Importer.getFromContext().getCanonicalType(QualType(T, 0)); |
| ToCanonType =Importer.Import(FromCanonType); |
| if (ToCanonType.isNull()) |
| return QualType(); |
| } |
| 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(); |
| } |
| |
| QualType ToNamedType = Importer.Import(T->getNamedType()); |
| if (ToNamedType.isNull()) |
| return QualType(); |
| |
| return Importer.getToContext().getElaboratedType(T->getKeyword(), |
| ToQualifier, ToNamedType); |
| } |
| |
| QualType ASTNodeImporter::VisitObjCInterfaceType(const ObjCInterfaceType *T) { |
| ObjCInterfaceDecl *Class |
| = dyn_cast_or_null<ObjCInterfaceDecl>(Importer.Import(T->getDecl())); |
| if (!Class) |
| return QualType(); |
| |
| return Importer.getToContext().getObjCInterfaceType(Class); |
| } |
| |
| QualType ASTNodeImporter::VisitObjCObjectType(const ObjCObjectType *T) { |
| QualType ToBaseType = Importer.Import(T->getBaseType()); |
| if (ToBaseType.isNull()) |
| return QualType(); |
| |
| SmallVector<QualType, 4> TypeArgs; |
| for (auto TypeArg : T->getTypeArgsAsWritten()) { |
| QualType ImportedTypeArg = Importer.Import(TypeArg); |
| if (ImportedTypeArg.isNull()) |
| return QualType(); |
| |
| TypeArgs.push_back(ImportedTypeArg); |
| } |
| |
| SmallVector<ObjCProtocolDecl *, 4> Protocols; |
| for (auto *P : T->quals()) { |
| ObjCProtocolDecl *Protocol |
| = dyn_cast_or_null<ObjCProtocolDecl>(Importer.Import(P)); |
| if (!Protocol) |
| return QualType(); |
| 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 QualType(); |
| |
| return Importer.getToContext().getObjCObjectPointerType(ToPointeeType); |
| } |
| |
| //---------------------------------------------------------------------------- |
| // Import Declarations |
| //---------------------------------------------------------------------------- |
| bool ASTNodeImporter::ImportDeclParts(NamedDecl *D, DeclContext *&DC, |
| DeclContext *&LexicalDC, |
| DeclarationName &Name, |
| NamedDecl *&ToD, |
| SourceLocation &Loc) { |
| // Import the context of this declaration. |
| DC = Importer.ImportContext(D->getDeclContext()); |
| if (!DC) |
| return true; |
| |
| LexicalDC = DC; |
| if (D->getDeclContext() != D->getLexicalDeclContext()) { |
| LexicalDC = Importer.ImportContext(D->getLexicalDeclContext()); |
| if (!LexicalDC) |
| return true; |
| } |
| |
| // Import the name of this declaration. |
| Name = Importer.Import(D->getDeclName()); |
| if (D->getDeclName() && !Name) |
| return true; |
| |
| // Import the location of this declaration. |
| Loc = Importer.Import(D->getLocation()); |
| ToD = cast_or_null<NamedDecl>(Importer.GetAlreadyImportedOrNull(D)); |
| return false; |
| } |
| |
| void ASTNodeImporter::ImportDefinitionIfNeeded(Decl *FromD, Decl *ToD) { |
| if (!FromD) |
| return; |
| |
| if (!ToD) { |
| ToD = Importer.Import(FromD); |
| if (!ToD) |
| return; |
| } |
| |
| if (RecordDecl *FromRecord = dyn_cast<RecordDecl>(FromD)) { |
| if (RecordDecl *ToRecord = cast_or_null<RecordDecl>(ToD)) { |
| if (FromRecord->getDefinition() && FromRecord->isCompleteDefinition() && !ToRecord->getDefinition()) { |
| ImportDefinition(FromRecord, ToRecord); |
| } |
| } |
| return; |
| } |
| |
| if (EnumDecl *FromEnum = dyn_cast<EnumDecl>(FromD)) { |
| if (EnumDecl *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: |
| 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); |
| } |
| |
| 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(); |
| |
| // Add base classes. |
| if (CXXRecordDecl *ToCXX = dyn_cast<CXXRecordDecl>(To)) { |
| CXXRecordDecl *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.HasNoNonEmptyBases = FromData.HasNoNonEmptyBases; |
| 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.NeedOverloadResolutionForMoveConstructor |
| = FromData.NeedOverloadResolutionForMoveConstructor; |
| ToData.NeedOverloadResolutionForMoveAssignment |
| = FromData.NeedOverloadResolutionForMoveAssignment; |
| ToData.NeedOverloadResolutionForDestructor |
| = FromData.NeedOverloadResolutionForDestructor; |
| 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.ImplicitCopyConstructorHasConstParam |
| = FromData.ImplicitCopyConstructorHasConstParam; |
| ToData.ImplicitCopyAssignmentHasConstParam |
| = FromData.ImplicitCopyAssignmentHasConstParam; |
| ToData.HasDeclaredCopyConstructorWithConstParam |
| = FromData.HasDeclaredCopyConstructorWithConstParam; |
| ToData.HasDeclaredCopyAssignmentWithConstParam |
| = FromData.HasDeclaredCopyAssignmentWithConstParam; |
| ToData.IsLambda = FromData.IsLambda; |
| |
| 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(); |
| |
| 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; |
| ToParams.reserve(Params->size()); |
| for (TemplateParameterList::iterator P = Params->begin(), |
| PEnd = Params->end(); |
| P != PEnd; ++P) { |
| Decl *To = Importer.Import(*P); |
| if (!To) |
| return nullptr; |
| |
| ToParams.push_back(cast<NamedDecl>(To)); |
| } |
| |
| 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 TemplateArgument(); |
| return TemplateArgument(ToType); |
| } |
| |
| case TemplateArgument::Integral: { |
| QualType ToType = Importer.Import(From.getIntegralType()); |
| if (ToType.isNull()) |
| return TemplateArgument(); |
| return TemplateArgument(From, ToType); |
| } |
| |
| case TemplateArgument::Declaration: { |
| ValueDecl *To = cast_or_null<ValueDecl>(Importer.Import(From.getAsDecl())); |
| QualType ToType = Importer.Import(From.getParamTypeForDecl()); |
| if (!To || ToType.isNull()) |
| return TemplateArgument(); |
| return TemplateArgument(To, ToType); |
| } |
| |
| case TemplateArgument::NullPtr: { |
| QualType ToType = Importer.Import(From.getNullPtrType()); |
| if (ToType.isNull()) |
| return TemplateArgument(); |
| return TemplateArgument(ToType, /*isNullPtr*/true); |
| } |
| |
| case TemplateArgument::Template: { |
| TemplateName ToTemplate = Importer.Import(From.getAsTemplate()); |
| if (ToTemplate.isNull()) |
| return TemplateArgument(); |
| |
| return TemplateArgument(ToTemplate); |
| } |
| |
| case TemplateArgument::TemplateExpansion: { |
| TemplateName ToTemplate |
| = Importer.Import(From.getAsTemplateOrTemplatePattern()); |
| if (ToTemplate.isNull()) |
| return TemplateArgument(); |
| |
| 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 TemplateArgument(); |
| |
| return TemplateArgument( |
| llvm::makeArrayRef(ToPack).copy(Importer.getToContext())); |
| } |
| } |
| |
| llvm_unreachable("Invalid template argument kind"); |
| } |
| |
| 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; |
| } |
| |
| 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) { |
| RecordDecl *ToOriginRecord = dyn_cast<RecordDecl>(ToOrigin); |
| if (ToOriginRecord) |
| ToRecord = ToOriginRecord; |
| } |
| |
| StructuralEquivalenceContext Ctx(Importer.getFromContext(), |
| ToRecord->getASTContext(), |
| Importer.getNonEquivalentDecls(), |
| false, Complain); |
| return Ctx.IsStructurallyEquivalent(FromRecord, ToRecord); |
| } |
| |
| bool ASTNodeImporter::IsStructuralMatch(VarDecl *FromVar, VarDecl *ToVar, |
| bool Complain) { |
| StructuralEquivalenceContext Ctx( |
| Importer.getFromContext(), Importer.getToContext(), |
| Importer.getNonEquivalentDecls(), false, Complain); |
| return Ctx.IsStructurallyEquivalent(FromVar, ToVar); |
| } |
| |
| bool ASTNodeImporter::IsStructuralMatch(EnumDecl *FromEnum, EnumDecl *ToEnum) { |
| StructuralEquivalenceContext Ctx(Importer.getFromContext(), |
| Importer.getToContext(), |
| Importer.getNonEquivalentDecls()); |
| return Ctx.IsStructurallyEquivalent(FromEnum, ToEnum); |
| } |
| |
| 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()); |
| return Ctx.IsStructurallyEquivalent(From, To); |
| } |
| |
| bool ASTNodeImporter::IsStructuralMatch(VarTemplateDecl *From, |
| VarTemplateDecl *To) { |
| StructuralEquivalenceContext Ctx(Importer.getFromContext(), |
| Importer.getToContext(), |
| Importer.getNonEquivalentDecls()); |
| return Ctx.IsStructurallyEquivalent(From, To); |
| } |
| |
| Decl *ASTNodeImporter::VisitDecl(Decl *D) { |
| Importer.FromDiag(D->getLocation(), diag::err_unsupported_ast_node) |
| << D->getDeclKindName(); |
| return nullptr; |
| } |
| |
| Decl *ASTNodeImporter::VisitTranslationUnitDecl(TranslationUnitDecl *D) { |
| TranslationUnitDecl *ToD = |
| Importer.getToContext().getTranslationUnitDecl(); |
| |
| Importer.Imported(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 *accessSpecDecl |
| = AccessSpecDecl::Create(Importer.getToContext(), D->getAccess(), |
| DC, Loc, ColonLoc); |
| |
| if (!accessSpecDecl) |
| return nullptr; |
| |
| // Lexical DeclContext and Semantic DeclContext |
| // is always the same for the accessSpec. |
| accessSpecDecl->setLexicalDeclContext(DC); |
| DC->addDeclInternal(accessSpecDecl); |
| |
| return accessSpecDecl; |
| } |
| |
| 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 (TranslationUnitDecl *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 (unsigned I = 0, N = FoundDecls.size(); I != N; ++I) { |
| if (!FoundDecls[I]->isInIdentifierNamespace(Decl::IDNS_Namespace)) |
| continue; |
| |
| if (NamespaceDecl *FoundNS = dyn_cast<NamespaceDecl>(FoundDecls[I])) { |
| MergeWithNamespace = FoundNS; |
| ConflictingDecls.clear(); |
| break; |
| } |
| |
| ConflictingDecls.push_back(FoundDecls[I]); |
| } |
| |
| if (!ConflictingDecls.empty()) { |
| Name = Importer.HandleNameConflict(Name, DC, Decl::IDNS_Namespace, |
| ConflictingDecls.data(), |
| ConflictingDecls.size()); |
| } |
| } |
| |
| // Create the "to" namespace, if needed. |
| NamespaceDecl *ToNamespace = MergeWithNamespace; |
| if (!ToNamespace) { |
| ToNamespace = NamespaceDecl::Create(Importer.getToContext(), DC, |
| D->isInline(), |
| Importer.Import(D->getLocStart()), |
| Loc, Name.getAsIdentifierInfo(), |
| /*PrevDecl=*/nullptr); |
| ToNamespace->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(ToNamespace); |
| |
| // If this is an anonymous namespace, register it as the anonymous |
| // namespace within its context. |
| if (!Name) { |
| if (TranslationUnitDecl *TU = dyn_cast<TranslationUnitDecl>(DC)) |
| TU->setAnonymousNamespace(ToNamespace); |
| else |
| cast<NamespaceDecl>(DC)->setAnonymousNamespace(ToNamespace); |
| } |
| } |
| Importer.Imported(D, ToNamespace); |
| |
| ImportDeclContext(D); |
| |
| return ToNamespace; |
| } |
| |
| 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 (unsigned I = 0, N = FoundDecls.size(); I != N; ++I) { |
| if (!FoundDecls[I]->isInIdentifierNamespace(IDNS)) |
| continue; |
| if (TypedefNameDecl *FoundTypedef = |
| dyn_cast<TypedefNameDecl>(FoundDecls[I])) { |
| if (Importer.IsStructurallyEquivalent(D->getUnderlyingType(), |
| FoundTypedef->getUnderlyingType())) |
| return Importer.Imported(D, FoundTypedef); |
| } |
| |
| ConflictingDecls.push_back(FoundDecls[I]); |
| } |
| |
| if (!ConflictingDecls.empty()) { |
| Name = Importer.HandleNameConflict(Name, DC, IDNS, |
| ConflictingDecls.data(), |
| ConflictingDecls.size()); |
| if (!Name) |
| return nullptr; |
| } |
| } |
| |
| // Import the underlying type of this typedef; |
| QualType T = Importer.Import(D->getUnderlyingType()); |
| if (T.isNull()) |
| return nullptr; |
| |
| // Create the new typedef node. |
| TypeSourceInfo *TInfo = Importer.Import(D->getTypeSourceInfo()); |
| SourceLocation StartL = Importer.Import(D->getLocStart()); |
| TypedefNameDecl *ToTypedef; |
| if (IsAlias) |
| ToTypedef = TypeAliasDecl::Create(Importer.getToContext(), DC, |
| StartL, Loc, |
| Name.getAsIdentifierInfo(), |
| TInfo); |
| else |
| ToTypedef = TypedefDecl::Create(Importer.getToContext(), DC, |
| StartL, Loc, |
| Name.getAsIdentifierInfo(), |
| TInfo); |
| |
| ToTypedef->setAccess(D->getAccess()); |
| ToTypedef->setLexicalDeclContext(LexicalDC); |
| Importer.Imported(D, ToTypedef); |
| 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::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 = D->isGnuLocal() |
| ? LabelDecl::Create(Importer.getToContext(), |
| DC, Importer.Import(D->getLocation()), |
| Name.getAsIdentifierInfo(), |
| Importer.Import(D->getLocStart())) |
| : LabelDecl::Create(Importer.getToContext(), |
| DC, Importer.Import(D->getLocation()), |
| Name.getAsIdentifierInfo()); |
| Importer.Imported(D, ToLabel); |
| |
| LabelStmt *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(Name, FoundDecls); |
| for (unsigned I = 0, N = FoundDecls.size(); I != N; ++I) { |
| if (!FoundDecls[I]->isInIdentifierNamespace(IDNS)) |
| continue; |
| |
| Decl *Found = FoundDecls[I]; |
| if (TypedefNameDecl *Typedef = dyn_cast<TypedefNameDecl>(Found)) { |
| if (const TagType *Tag = Typedef->getUnderlyingType()->getAs<TagType>()) |
| Found = Tag->getDecl(); |
| } |
| |
| if (EnumDecl *FoundEnum = dyn_cast<EnumDecl>(Found)) { |
| if (IsStructuralMatch(D, FoundEnum)) |
| return Importer.Imported(D, FoundEnum); |
| } |
| |
| ConflictingDecls.push_back(FoundDecls[I]); |
| } |
| |
| if (!ConflictingDecls.empty()) { |
| Name = Importer.HandleNameConflict(Name, DC, IDNS, |
| ConflictingDecls.data(), |
| ConflictingDecls.size()); |
| } |
| } |
| |
| // Create the enum declaration. |
| EnumDecl *D2 = EnumDecl::Create(Importer.getToContext(), DC, |
| Importer.Import(D->getLocStart()), |
| Loc, Name.getAsIdentifierInfo(), nullptr, |
| D->isScoped(), D->isScopedUsingClassTag(), |
| D->isFixed()); |
| // Import the qualifier, if any. |
| D2->setQualifierInfo(Importer.Import(D->getQualifierLoc())); |
| D2->setAccess(D->getAccess()); |
| D2->setLexicalDeclContext(LexicalDC); |
| Importer.Imported(D, D2); |
| LexicalDC->addDeclInternal(D2); |
| |
| // Import the integer type. |
| QualType ToIntegerType = Importer.Import(D->getIntegerType()); |
| if (ToIntegerType.isNull()) |
| return nullptr; |
| D2->setIntegerType(ToIntegerType); |
| |
| // Import the definition |
| if (D->isCompleteDefinition() && ImportDefinition(D, D2)) |
| return nullptr; |
| |
| return D2; |
| } |
| |
| 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) { |
| Decl *ImportedDef = Importer.Import(Definition); |
| if (!ImportedDef) |
| return nullptr; |
| |
| return Importer.Imported(D, ImportedDef); |
| } |
| |
| // Import the major distinguishing characteristics of this record. |
| DeclContext *DC, *LexicalDC; |
| DeclarationName Name; |
| SourceLocation Loc; |
| NamedDecl *ToD; |
| if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
| return nullptr; |
| if (ToD) |
| return ToD; |
| |
| // Figure out what structure name we're looking for. |
| unsigned IDNS = Decl::IDNS_Tag; |
| DeclarationName SearchName = Name; |
| if (!SearchName && D->getTypedefNameForAnonDecl()) { |
| SearchName = Importer.Import(D->getTypedefNameForAnonDecl()->getDeclName()); |
| IDNS = Decl::IDNS_Ordinary; |
| } else if (Importer.getToContext().getLangOpts().CPlusPlus) |
| IDNS |= Decl::IDNS_Ordinary; |
| |
| // We may already have a record of the same name; try to find and match it. |
| RecordDecl *AdoptDecl = nullptr; |
| if (!DC->isFunctionOrMethod()) { |
| SmallVector<NamedDecl *, 4> ConflictingDecls; |
| SmallVector<NamedDecl *, 2> FoundDecls; |
| DC->getRedeclContext()->localUncachedLookup(Name, FoundDecls); |
| for (unsigned I = 0, N = FoundDecls.size(); I != N; ++I) { |
| if (!FoundDecls[I]->isInIdentifierNamespace(IDNS)) |
| continue; |
| |
| Decl *Found = FoundDecls[I]; |
| if (TypedefNameDecl *Typedef = dyn_cast<TypedefNameDecl>(Found)) { |
| if (const TagType *Tag = Typedef->getUnderlyingType()->getAs<TagType>()) |
| Found = Tag->getDecl(); |
| } |
| |
| if (RecordDecl *FoundRecord = dyn_cast<RecordDecl>(Found)) { |
| if (D->isAnonymousStructOrUnion() && |
| FoundRecord->isAnonymousStructOrUnion()) { |
| // If both anonymous structs/unions are in a record context, make sure |
| // they occur in the same location in the context records. |
| if (Optional<unsigned> Index1 |
| = findUntaggedStructOrUnionIndex(D)) { |
| if (Optional<unsigned> Index2 = |
| findUntaggedStructOrUnionIndex(FoundRecord)) { |
| if (*Index1 != *Index2) |
| continue; |
| } |
| } |
| } |
| |
| if (RecordDecl *FoundDef = FoundRecord->getDefinition()) { |
| if ((SearchName && !D->isCompleteDefinition()) |
| || (D->isCompleteDefinition() && |
| D->isAnonymousStructOrUnion() |
| == FoundDef->isAnonymousStructOrUnion() && |
| IsStructuralMatch(D, FoundDef))) { |
| // The record types structurally match, or the "from" translation |
| // unit only had a forward declaration anyway; call it the same |
| // function. |
| // FIXME: For C++, we should also merge methods here. |
| return Importer.Imported(D, FoundDef); |
| } |
| } else if (!D->isCompleteDefinition()) { |
| // We have a forward declaration of this type, so adopt that forward |
| // declaration rather than building a new one. |
| |
| // If one or both can be completed from external storage then try one |
| // last time to complete and compare them before doing this. |
| |
| if (FoundRecord->hasExternalLexicalStorage() && |
| !FoundRecord->isCompleteDefinition()) |
| FoundRecord->getASTContext().getExternalSource()->CompleteType(FoundRecord); |
| if (D->hasExternalLexicalStorage()) |
| D->getASTContext().getExternalSource()->CompleteType(D); |
| |
| if (FoundRecord->isCompleteDefinition() && |
| D->isCompleteDefinition() && |
| !IsStructuralMatch(D, FoundRecord)) |
| continue; |
| |
| AdoptDecl = FoundRecord; |
| continue; |
| } else if (!SearchName) { |
| continue; |
| } |
| } |
| |
| ConflictingDecls.push_back(FoundDecls[I]); |
| } |
| |
| 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 (CXXRecordDecl *DCXX = llvm::dyn_cast<CXXRecordDecl>(D)) { |
| if (DCXX->isLambda()) { |
| TypeSourceInfo *TInfo = Importer.Import(DCXX->getLambdaTypeInfo()); |
| D2CXX = CXXRecordDecl::CreateLambda(Importer.getToContext(), |
| DC, TInfo, Loc, |
| DCXX->isDependentLambda(), |
| DCXX->isGenericLambda(), |
| DCXX->getLambdaCaptureDefault()); |
| Decl *CDecl = Importer.Import(DCXX->getLambdaContextDecl()); |
| if (DCXX->getLambdaContextDecl() && !CDecl) |
| return nullptr; |
| D2CXX->setLambdaMangling(DCXX->getLambdaManglingNumber(), CDecl); |
| } else if (DCXX->isInjectedClassName()) { |
| // We have to be careful to do a similar dance to the one in |
| // Sema::ActOnStartCXXMemberDeclarations |
| CXXRecordDecl *const PrevDecl = nullptr; |
| const bool DelayTypeCreation = true; |
| D2CXX = CXXRecordDecl::Create( |
| Importer.getToContext(), D->getTagKind(), DC, StartLoc, Loc, |
| Name.getAsIdentifierInfo(), PrevDecl, DelayTypeCreation); |
| Importer.getToContext().getTypeDeclType( |
| D2CXX, llvm::dyn_cast<CXXRecordDecl>(DC)); |
| } else { |
| D2CXX = CXXRecordDecl::Create(Importer.getToContext(), |
| D->getTagKind(), |
| DC, StartLoc, Loc, |
| Name.getAsIdentifierInfo()); |
| } |
| D2 = D2CXX; |
| D2->setAccess(D->getAccess()); |
| } else { |
| D2 = RecordDecl::Create(Importer.getToContext(), D->getTagKind(), |
| DC, StartLoc, Loc, Name.getAsIdentifierInfo()); |
| } |
| |
| D2->setQualifierInfo(Importer.Import(D->getQualifierLoc())); |
| D2->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(D2); |
| if (D->isAnonymousStructOrUnion()) |
| D2->setAnonymousStructOrUnion(true); |
| } |
| |
| Importer.Imported(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 (unsigned I = 0, N = FoundDecls.size(); I != N; ++I) { |
| if (!FoundDecls[I]->isInIdentifierNamespace(IDNS)) |
| continue; |
| |
| if (EnumConstantDecl *FoundEnumConstant |
| = dyn_cast<EnumConstantDecl>(FoundDecls[I])) { |
| if (IsStructuralMatch(D, FoundEnumConstant)) |
| return Importer.Imported(D, FoundEnumConstant); |
| } |
| |
| ConflictingDecls.push_back(FoundDecls[I]); |
| } |
| |
| if (!ConflictingDecls.empty()) { |
| Name = Importer.HandleNameConflict(Name, DC, IDNS, |
| ConflictingDecls.data(), |
| ConflictingDecls.size()); |
| if (!Name) |
| return nullptr; |
| } |
| } |
| |
| Expr *Init = Importer.Import(D->getInitExpr()); |
| if (D->getInitExpr() && !Init) |
| return nullptr; |
| |
| EnumConstantDecl *ToEnumerator |
| = EnumConstantDecl::Create(Importer.getToContext(), cast<EnumDecl>(DC), Loc, |
| Name.getAsIdentifierInfo(), T, |
| Init, D->getInitVal()); |
| ToEnumerator->setAccess(D->getAccess()); |
| ToEnumerator->setLexicalDeclContext(LexicalDC); |
| Importer.Imported(D, ToEnumerator); |
| LexicalDC->addDeclInternal(ToEnumerator); |
| return ToEnumerator; |
| } |
| |
| Decl *ASTNodeImporter::VisitFunctionDecl(FunctionDecl *D) { |
| // Import the major distinguishing characteristics of this function. |
| DeclContext *DC, *LexicalDC; |
| DeclarationName Name; |
| SourceLocation Loc; |
| NamedDecl *ToD; |
| if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
| return nullptr; |
| if (ToD) |
| return ToD; |
| |
| // Try to find a function in our own ("to") context with the same name, same |
| // type, and in the same context as the function we're importing. |
| if (!LexicalDC->isFunctionOrMethod()) { |
| SmallVector<NamedDecl *, 4> ConflictingDecls; |
| unsigned IDNS = Decl::IDNS_Ordinary; |
| SmallVector<NamedDecl *, 2> FoundDecls; |
| DC->getRedeclContext()->localUncachedLookup(Name, FoundDecls); |
| for (unsigned I = 0, N = FoundDecls.size(); I != N; ++I) { |
| if (!FoundDecls[I]->isInIdentifierNamespace(IDNS)) |
| continue; |
| |
| if (FunctionDecl *FoundFunction = dyn_cast<FunctionDecl>(FoundDecls[I])) { |
| if (FoundFunction->hasExternalFormalLinkage() && |
| D->hasExternalFormalLinkage()) { |
| if (Importer.IsStructurallyEquivalent(D->getType(), |
| FoundFunction->getType())) { |
| // FIXME: Actually try to merge the body and other attributes. |
| return Importer.Imported(D, FoundFunction); |
| } |
| |
| // FIXME: Check for overloading more carefully, e.g., by boosting |
| // Sema::IsOverload out to the AST library. |
| |
| // Function overloading is okay in C++. |
| if (Importer.getToContext().getLangOpts().CPlusPlus) |
| continue; |
| |
| // Complain about inconsistent function types. |
| Importer.ToDiag(Loc, diag::err_odr_function_type_inconsistent) |
| << Name << D->getType() << FoundFunction->getType(); |
| Importer.ToDiag(FoundFunction->getLocation(), |
| diag::note_odr_value_here) |
| << FoundFunction->getType(); |
| } |
| } |
| |
| ConflictingDecls.push_back(FoundDecls[I]); |
| } |
| |
| 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 FunctionProtoType * |
| 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()) { |
| ParmVarDecl *ToP = cast_or_null<ParmVarDecl>(Importer.Import(P)); |
| if (!ToP) |
| return nullptr; |
| |
| Parameters.push_back(ToP); |
| } |
| |
| // Create the imported function. |
| TypeSourceInfo *TInfo = Importer.Import(D->getTypeSourceInfo()); |
| FunctionDecl *ToFunction = nullptr; |
| SourceLocation InnerLocStart = Importer.Import(D->getInnerLocStart()); |
| if (CXXConstructorDecl *FromConstructor = dyn_cast<CXXConstructorDecl>(D)) { |
| ToFunction = CXXConstructorDecl::Create(Importer.getToContext(), |
| cast<CXXRecordDecl>(DC), |
| InnerLocStart, |
| NameInfo, T, TInfo, |
| FromConstructor->isExplicit(), |
| D->isInlineSpecified(), |
| D->isImplicit(), |
| D->isConstexpr()); |
| if (unsigned NumInitializers = FromConstructor->getNumCtorInitializers()) { |
| SmallVector<CXXCtorInitializer *, 4> CtorInitializers; |
| for (CXXCtorInitializer *I : FromConstructor->inits()) { |
| CXXCtorInitializer *ToI = |
| cast_or_null<CXXCtorInitializer>(Importer.Import(I)); |
| if (!ToI && I) |
| return nullptr; |
| CtorInitializers.push_back(ToI); |
| } |
| CXXCtorInitializer **Memory = |
| new (Importer.getToContext()) CXXCtorInitializer *[NumInitializers]; |
| std::copy(CtorInitializers.begin(), CtorInitializers.end(), Memory); |
| CXXConstructorDecl *ToCtor = llvm::cast<CXXConstructorDecl>(ToFunction); |
| ToCtor->setCtorInitializers(Memory); |
| ToCtor->setNumCtorInitializers(NumInitializers); |
| } |
| } else if (isa<CXXDestructorDecl>(D)) { |
| ToFunction = CXXDestructorDecl::Create(Importer.getToContext(), |
| cast<CXXRecordDecl>(DC), |
| InnerLocStart, |
| NameInfo, T, TInfo, |
| D->isInlineSpecified(), |
| D->isImplicit()); |
| } else if (CXXConversionDecl *FromConversion |
| = dyn_cast<CXXConversionDecl>(D)) { |
| ToFunction = CXXConversionDecl::Create(Importer.getToContext(), |
| cast<CXXRecordDecl>(DC), |
| InnerLocStart, |
| NameInfo, T, TInfo, |
| D->isInlineSpecified(), |
| FromConversion->isExplicit(), |
| D->isConstexpr(), |
| Importer.Import(D->getLocEnd())); |
| } else if (CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(D)) { |
| ToFunction = CXXMethodDecl::Create(Importer.getToContext(), |
| cast<CXXRecordDecl>(DC), |
| InnerLocStart, |
| NameInfo, T, TInfo, |
| Method->getStorageClass(), |
| Method->isInlineSpecified(), |
| D->isConstexpr(), |
| Importer.Import(D->getLocEnd())); |
| } else { |
| ToFunction = FunctionDecl::Create(Importer.getToContext(), DC, |
| InnerLocStart, |
| NameInfo, T, TInfo, D->getStorageClass(), |
| D->isInlineSpecified(), |
| D->hasWrittenPrototype(), |
| D->isConstexpr()); |
| } |
| |
| // Import the qualifier, if any. |
| ToFunction->setQualifierInfo(Importer.Import(D->getQualifierLoc())); |
| ToFunction->setAccess(D->getAccess()); |
| ToFunction->setLexicalDeclContext(LexicalDC); |
| ToFunction->setVirtualAsWritten(D->isVirtualAsWritten()); |
| ToFunction->setTrivial(D->isTrivial()); |
| ToFunction->setPure(D->isPure()); |
| Importer.Imported(D, ToFunction); |
| |
| // Set the parameters. |
| for (unsigned I = 0, N = Parameters.size(); I != N; ++I) { |
| Parameters[I]->setOwningFunction(ToFunction); |
| ToFunction->addDeclInternal(Parameters[I]); |
| } |
| ToFunction->setParams(Parameters); |
| |
| if (usedDifferentExceptionSpec) { |
| // Update FunctionProtoType::ExtProtoInfo. |
| QualType T = Importer.Import(D->getType()); |
| if (T.isNull()) |
| return nullptr; |
| ToFunction->setType(T); |
| } |
| |
| // Import the body, if any. |
| if (Stmt *FromBody = D->getBody()) { |
| if (Stmt *ToBody = Importer.Import(FromBody)) { |
| ToFunction->setBody(ToBody); |
| } |
| } |
| |
| // FIXME: Other bits to merge? |
| |
| // Add this function to the lexical context. |
| LexicalDC->addDeclInternal(ToFunction); |
| |
| 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) { |
| RecordDecl *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 (unsigned I = 0, N = FoundDecls.size(); I != N; ++I) { |
| if (FieldDecl *FoundField = dyn_cast<FieldDecl>(FoundDecls[I])) { |
| // For anonymous fields, match up by index. |
| if (!Name && getFieldIndex(D) != getFieldIndex(FoundField)) |
| continue; |
| |
| if (Importer.IsStructurallyEquivalent(D->getType(), |
| FoundField->getType())) { |
| Importer.Imported(D, FoundField); |
| return FoundField; |
| } |
| |
| Importer.ToDiag(Loc, diag::err_odr_field_type_inconsistent) |
| << Name << D->getType() << FoundField->getType(); |
| Importer.ToDiag(FoundField->getLocation(), diag::note_odr_value_here) |
| << FoundField->getType(); |
| return nullptr; |
| } |
| } |
| |
| // Import the type. |
| QualType T = Importer.Import(D->getType()); |
| if (T.isNull()) |
| return nullptr; |
| |
| TypeSourceInfo *TInfo = Importer.Import(D->getTypeSourceInfo()); |
| Expr *BitWidth = Importer.Import(D->getBitWidth()); |
| if (!BitWidth && D->getBitWidth()) |
| return nullptr; |
| |
| FieldDecl *ToField = FieldDecl::Create(Importer.getToContext(), DC, |
| Importer.Import(D->getInnerLocStart()), |
| Loc, Name.getAsIdentifierInfo(), |
| T, TInfo, BitWidth, D->isMutable(), |
| D->getInClassInitStyle()); |
| ToField->setAccess(D->getAccess()); |
| ToField->setLexicalDeclContext(LexicalDC); |
| if (Expr *FromInitializer = D->getInClassInitializer()) { |
| Expr *ToInitializer = Importer.Import(FromInitializer); |
| if (ToInitializer) |
| ToField->setInClassInitializer(ToInitializer); |
| else |
| return nullptr; |
| } |
| ToField->setImplicit(D->isImplicit()); |
| Importer.Imported(D, ToField); |
| LexicalDC->addDeclInternal(ToField); |
| return ToField; |
| } |
| |
| 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 (IndirectFieldDecl *FoundField |
| = dyn_cast<IndirectFieldDecl>(FoundDecls[I])) { |
| // For anonymous indirect fields, match up by index. |
| if (!Name && getFieldIndex(D) != getFieldIndex(FoundField)) |
| continue; |
| |
| if (Importer.IsStructurallyEquivalent(D->getType(), |
| FoundField->getType(), |
| !Name.isEmpty())) { |
| Importer.Imported(D, FoundField); |
| return FoundField; |
| } |
| |
| // If there are more anonymous fields to check, continue. |
| if (!Name && I < N-1) |
| continue; |
| |
| Importer.ToDiag(Loc, diag::err_odr_field_type_inconsistent) |
| << Name << D->getType() << FoundField->getType(); |
| Importer.ToDiag(FoundField->getLocation(), diag::note_odr_value_here) |
| << FoundField->getType(); |
| return nullptr; |
| } |
| } |
| |
| // Import the type. |
| QualType T = Importer.Import(D->getType()); |
| if (T.isNull()) |
| return nullptr; |
| |
| NamedDecl **NamedChain = |
| new (Importer.getToContext())NamedDecl*[D->getChainingSize()]; |
| |
| unsigned i = 0; |
| for (auto *PI : D->chain()) { |
| Decl *D = Importer.Import(PI); |
| if (!D) |
| return nullptr; |
| NamedChain[i++] = cast<NamedDecl>(D); |
| } |
| |
| IndirectFieldDecl *ToIndirectField = IndirectFieldDecl::Create( |
| Importer.getToContext(), DC, Loc, Name.getAsIdentifierInfo(), T, |
| {NamedChain, D->getChainingSize()}); |
| |
| for (const auto *Attr : D->attrs()) |
| ToIndirectField->addAttr(Attr->clone(Importer.getToContext())); |
| |
| ToIndirectField->setAccess(D->getAccess()); |
| ToIndirectField->setLexicalDeclContext(LexicalDC); |
| Importer.Imported(D, ToIndirectField); |
| LexicalDC->addDeclInternal(ToIndirectField); |
| return ToIndirectField; |
| } |
| |
| 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 (unsigned I = 0, N = FoundDecls.size(); I != N; ++I) { |
| if (ObjCIvarDecl *FoundIvar = dyn_cast<ObjCIvarDecl>(FoundDecls[I])) { |
| if (Importer.IsStructurallyEquivalent(D->getType(), |
| FoundIvar->getType())) { |
| Importer.Imported(D, FoundIvar); |
| return FoundIvar; |
| } |
| |
| Importer.ToDiag(Loc, diag::err_odr_ivar_type_inconsistent) |
| << Name << D->getType() << FoundIvar->getType(); |
| Importer.ToDiag(FoundIvar->getLocation(), diag::note_odr_value_here) |
| << FoundIvar->getType(); |
| return nullptr; |
| } |
| } |
| |
| // Import the type. |
| QualType T = Importer.Import(D->getType()); |
| if (T.isNull()) |
| return nullptr; |
| |
| TypeSourceInfo *TInfo = Importer.Import(D->getTypeSourceInfo()); |
| Expr *BitWidth = Importer.Import(D->getBitWidth()); |
| if (!BitWidth && D->getBitWidth()) |
| return nullptr; |
| |
| ObjCIvarDecl *ToIvar = ObjCIvarDecl::Create(Importer.getToContext(), |
| cast<ObjCContainerDecl>(DC), |
| Importer.Import(D->getInnerLocStart()), |
| Loc, Name.getAsIdentifierInfo(), |
| T, TInfo, D->getAccessControl(), |
| BitWidth, D->getSynthesize()); |
| ToIvar->setLexicalDeclContext(LexicalDC); |
| Importer.Imported(D, ToIvar); |
| LexicalDC->addDeclInternal(ToIvar); |
| return ToIvar; |
| |
| } |
| |
| 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 (unsigned I = 0, N = FoundDecls.size(); I != N; ++I) { |
| if (!FoundDecls[I]->isInIdentifierNamespace(IDNS)) |
| continue; |
| |
| if (VarDecl *FoundVar = dyn_cast<VarDecl>(FoundDecls[I])) { |
| // 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(FoundDecls[I]); |
| } |
| |
| if (MergeWithVar) { |
| // An equivalent variable with external linkage has been found. Link |
| // the two declarations, then merge them. |
| Importer.Imported(D, MergeWithVar); |
| |
| if (VarDecl *DDef = D->getDefinition()) { |
| if (VarDecl *ExistingDef = MergeWithVar->getDefinition()) { |
| Importer.ToDiag(ExistingDef->getLocation(), |
| diag::err_odr_variable_multiple_def) |
| << Name; |
| Importer.FromDiag(DDef->getLocation(), diag::note_odr_defined_here); |
| } else { |
| Expr *Init = Importer.Import(DDef->getInit()); |
| MergeWithVar->setInit(Init); |
| if (DDef->isInitKnownICE()) { |
| EvaluatedStmt *Eval = MergeWithVar->ensureEvaluatedStmt(); |
| Eval->CheckedICE = true; |
| Eval->IsICE = DDef->isInitICE(); |
| } |
| } |
| } |
| |
| return MergeWithVar; |
| } |
| |
| if (!ConflictingDecls.empty()) { |
| Name = Importer.HandleNameConflict(Name, DC, IDNS, |
| ConflictingDecls.data(), |
| ConflictingDecls.size()); |
| if (!Name) |
| return nullptr; |
| } |
| } |
| |
| // Import the type. |
| QualType T = Importer.Import(D->getType()); |
| if (T.isNull()) |
| return nullptr; |
| |
| // Create the imported variable. |
| TypeSourceInfo *TInfo = Importer.Import(D->getTypeSourceInfo()); |
| VarDecl *ToVar = VarDecl::Create(Importer.getToContext(), DC, |
| Importer.Import(D->getInnerLocStart()), |
| Loc, Name.getAsIdentifierInfo(), |
| T, TInfo, |
| D->getStorageClass()); |
| ToVar->setQualifierInfo(Importer.Import(D->getQualifierLoc())); |
| ToVar->setAccess(D->getAccess()); |
| ToVar->setLexicalDeclContext(LexicalDC); |
| Importer.Imported(D, ToVar); |
| LexicalDC->addDeclInternal(ToVar); |
| |
| if (!D->isFileVarDecl() && |
| D->isUsed()) |
| ToVar->setIsUsed(); |
| |
| // Merge the initializer. |
| if (ImportDefinition(D, ToVar)) |
| return nullptr; |
| |
| 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 |
| = ImplicitParamDecl::Create(Importer.getToContext(), DC, |
| Loc, Name.getAsIdentifierInfo(), |
| T); |
| return Importer.Imported(D, 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 = ParmVarDecl::Create(Importer.getToContext(), DC, |
| Importer.Import(D->getInnerLocStart()), |
| Loc, Name.getAsIdentifierInfo(), |
| T, TInfo, D->getStorageClass(), |
| /*FIXME: Default argument*/nullptr); |
| ToParm->setHasInheritedDefaultArg(D->hasInheritedDefaultArg()); |
| |
| if (D->isUsed()) |
| ToParm->setIsUsed(); |
| |
| return Importer.Imported(D, 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 (unsigned I = 0, N = FoundDecls.size(); I != N; ++I) { |
| if (ObjCMethodDecl *FoundMethod = dyn_cast<ObjCMethodDecl>(FoundDecls[I])) { |
| if (FoundMethod->isInstanceMethod() != D->isInstanceMethod()) |
| continue; |
| |
| // Check return types. |
| if (!Importer.IsStructurallyEquivalent(D->getReturnType(), |
| FoundMethod->getReturnType())) { |
| Importer.ToDiag(Loc, diag::err_odr_objc_method_result_type_inconsistent) |
| << D->isInstanceMethod() << Name << D->getReturnType() |
| << FoundMethod->getReturnType(); |
| Importer.ToDiag(FoundMethod->getLocation(), |
| diag::note_odr_objc_method_here) |
| << D->isInstanceMethod() << Name; |
| return nullptr; |
| } |
| |
| // Check the number of parameters. |
| if (D->param_size() != FoundMethod->param_size()) { |
| Importer.ToDiag(Loc, diag::err_odr_objc_method_num_params_inconsistent) |
| << D->isInstanceMethod() << Name |
| << D->param_size() << FoundMethod->param_size(); |
| Importer.ToDiag(FoundMethod->getLocation(), |
| diag::note_odr_objc_method_here) |
| << D->isInstanceMethod() << Name; |
| return nullptr; |
| } |
| |
| // Check parameter types. |
| for (ObjCMethodDecl::param_iterator P = D->param_begin(), |
| PEnd = D->param_end(), FoundP = FoundMethod->param_begin(); |
| P != PEnd; ++P, ++FoundP) { |
| if (!Importer.IsStructurallyEquivalent((*P)->getType(), |
| (*FoundP)->getType())) { |
| Importer.FromDiag((*P)->getLocation(), |
| diag::err_odr_objc_method_param_type_inconsistent) |
| << D->isInstanceMethod() << Name |
| << (*P)->getType() << (*FoundP)->getType(); |
| Importer.ToDiag((*FoundP)->getLocation(), diag::note_odr_value_here) |
| << (*FoundP)->getType(); |
| return nullptr; |
| } |
| } |
| |
| // Check variadic/non-variadic. |
| // Check the number of parameters. |
| if (D->isVariadic() != FoundMethod->isVariadic()) { |
| Importer.ToDiag(Loc, diag::err_odr_objc_method_variadic_inconsistent) |
| << D->isInstanceMethod() << Name; |
| Importer.ToDiag(FoundMethod->getLocation(), |
| diag::note_odr_objc_method_here) |
| << D->isInstanceMethod() << Name; |
| return nullptr; |
| } |
| |
| // FIXME: Any other bits we need to merge? |
| return Importer.Imported(D, FoundMethod); |
| } |
| } |
| |
| // Import the result type. |
| QualType ResultTy = Importer.Import(D->getReturnType()); |
| if (ResultTy.isNull()) |
| return nullptr; |
| |
| TypeSourceInfo *ReturnTInfo = Importer.Import(D->getReturnTypeSourceInfo()); |
| |
| ObjCMethodDecl *ToMethod = ObjCMethodDecl::Create( |
| Importer.getToContext(), Loc, Importer.Import(D->getLocEnd()), |
| Name.getObjCSelector(), ResultTy, ReturnTInfo, DC, D->isInstanceMethod(), |
| D->isVariadic(), D->isPropertyAccessor(), D->isImplicit(), D->isDefined(), |
| D->getImplementationControl(), D->hasRelatedResultType()); |
| |
| // FIXME: When we decide to merge method definitions, we'll need to |
| // deal with implicit parameters. |
| |
| // Import the parameters |
| SmallVector<ParmVarDecl *, 5> ToParams; |
| for (auto *FromP : D->parameters()) { |
| ParmVarDecl *ToP = cast_or_null<ParmVarDecl>(Importer.Import(FromP)); |
| if (!ToP) |
| return nullptr; |
| |
| ToParams.push_back(ToP); |
| } |
| |
| // Set the parameters. |
| for (unsigned I = 0, N = ToParams.size(); I != N; ++I) { |
| ToParams[I]->setOwningFunction(ToMethod); |
| ToMethod->addDeclInternal(ToParams[I]); |
| } |
| SmallVector<SourceLocation, 12> SelLocs; |
| D->getSelectorLocs(SelLocs); |
| ToMethod->setMethodParams(Importer.getToContext(), ToParams, SelLocs); |
| |
| ToMethod->setLexicalDeclContext(LexicalDC); |
| Importer.Imported(D, ToMethod); |
| 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 = ObjCTypeParamDecl::Create( |
| Importer.getToContext(), DC, |
| D->getVariance(), |
| Importer.Import(D->getVarianceLoc()), |
| D->getIndex(), |
| Importer.Import(D->getLocation()), |
| Name.getAsIdentifierInfo(), |
| Importer.Import(D->getColonLoc()), |
| BoundInfo); |
| Importer.Imported(D, Result); |
| Result->setLexicalDeclContext(LexicalDC); |
| return Result; |
| } |
| |
| 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; |
| |
| ObjCInterfaceDecl *ToInterface |
| = cast_or_null<ObjCInterfaceDecl>(Importer.Import(D->getClassInterface())); |
| if (!ToInterface) |
| return nullptr; |
| |
| // Determine if we've already encountered this category. |
| ObjCCategoryDecl *MergeWithCategory |
| = ToInterface->FindCategoryDeclaration(Name.getAsIdentifierInfo()); |
| ObjCCategoryDecl *ToCategory = MergeWithCategory; |
| if (!ToCategory) { |
| ToCategory = ObjCCategoryDecl::Create(Importer.getToContext(), DC, |
| Importer.Import(D->getAtStartLoc()), |
| Loc, |
| Importer.Import(D->getCategoryNameLoc()), |
| Name.getAsIdentifierInfo(), |
| ToInterface, |
| /*TypeParamList=*/nullptr, |
| Importer.Import(D->getIvarLBraceLoc()), |
| Importer.Import(D->getIvarRBraceLoc())); |
| ToCategory->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(ToCategory); |
| Importer.Imported(D, ToCategory); |
| // Import the type parameter list after calling Imported, to avoid |
| // loops when bringing in their DeclContext. |
| ToCategory->setTypeParamList(ImportObjCTypeParamList( |
| D->getTypeParamList())); |
| |
| // Import protocols |
| SmallVector<ObjCProtocolDecl *, 4> Protocols; |
| SmallVector<SourceLocation, 4> ProtocolLocs; |
| ObjCCategoryDecl::protocol_loc_iterator FromProtoLoc |
| = D->protocol_loc_begin(); |
| for (ObjCCategoryDecl::protocol_iterator FromProto = D->protocol_begin(), |
| FromProtoEnd = D->protocol_end(); |
| FromProto != FromProtoEnd; |
| ++FromProto, ++FromProtoLoc) { |
| ObjCProtocolDecl *ToProto |
| = cast_or_null<ObjCProtocolDecl>(Importer.Import(*FromProto)); |
| if (!ToProto) |
| return nullptr; |
| Protocols.push_back(ToProto); |
| ProtocolLocs.push_back(Importer.Import(*FromProtoLoc)); |
| } |
| |
| // FIXME: If we're merging, make sure that the protocol list is the same. |
| ToCategory->setProtocolList(Protocols.data(), Protocols.size(), |
| ProtocolLocs.data(), Importer.getToContext()); |
| |
| } else { |
| Importer.Imported(D, ToCategory); |
| } |
| |
| // Import all of the members of this category. |
| ImportDeclContext(D); |
| |
| // If we have an implementation, import it as well. |
| if (D->getImplementation()) { |
| ObjCCategoryImplDecl *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) { |
| ObjCProtocolDecl *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.Imported(D, ImportedDef); |
| } |
| |
| // Import the major distinguishing characteristics of a protocol. |
| DeclContext *DC, *LexicalDC; |
| DeclarationName Name; |
| SourceLocation Loc; |
| NamedDecl *ToD; |
| if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
| return nullptr; |
| if (ToD) |
| return ToD; |
| |
| ObjCProtocolDecl *MergeWithProtocol = nullptr; |
| SmallVector<NamedDecl *, 2> FoundDecls; |
| DC->getRedeclContext()->localUncachedLookup(Name, FoundDecls); |
| for (unsigned I = 0, N = FoundDecls.size(); I != N; ++I) { |
| if (!FoundDecls[I]->isInIdentifierNamespace(Decl::IDNS_ObjCProtocol)) |
| continue; |
| |
| if ((MergeWithProtocol = dyn_cast<ObjCProtocolDecl>(FoundDecls[I]))) |
| break; |
| } |
| |
| ObjCProtocolDecl *ToProto = MergeWithProtocol; |
| if (!ToProto) { |
| ToProto = ObjCProtocolDecl::Create(Importer.getToContext(), DC, |
| Name.getAsIdentifierInfo(), Loc, |
| Importer.Import(D->getAtStartLoc()), |
| /*PrevDecl=*/nullptr); |
| ToProto->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(ToProto); |
| } |
| |
| Importer.Imported(D, ToProto); |
| |
| if (D->isThisDeclarationADefinition() && ImportDefinition(D, ToProto)) |
| return nullptr; |
| |
| return ToProto; |
| } |
| |
| 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 = |
| LinkageSpecDecl::Create(Importer.getToContext(), |
| DC, |
| ExternLoc, |
| LangLoc, |
| D->getLanguage(), |
| HasBraces); |
| |
| if (HasBraces) { |
| SourceLocation RBraceLoc = Importer.Import(D->getRBraceLoc()); |
| ToLinkageSpec->setRBraceLoc(RBraceLoc); |
| } |
| |
| ToLinkageSpec->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(ToLinkageSpec); |
| |
| Importer.Imported(D, ToLinkageSpec); |
| |
| return ToLinkageSpec; |
| } |
| |
| 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) { |
| ObjCProtocolDecl *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()) { |
| ObjCImplementationDecl *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.Imported(D, ImportedDef); |
| } |
| |
| // Import the major distinguishing characteristics of an @interface. |
| DeclContext *DC, *LexicalDC; |
| DeclarationName Name; |
| SourceLocation Loc; |
| NamedDecl *ToD; |
| if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
| return nullptr; |
| if (ToD) |
| return ToD; |
| |
| // Look for an existing interface with the same name. |
| ObjCInterfaceDecl *MergeWithIface = nullptr; |
| SmallVector<NamedDecl *, 2> FoundDecls; |
| DC->getRedeclContext()->localUncachedLookup(Name, FoundDecls); |
| for (unsigned I = 0, N = FoundDecls.size(); I != N; ++I) { |
| if (!FoundDecls[I]->isInIdentifierNamespace(Decl::IDNS_Ordinary)) |
| continue; |
| |
| if ((MergeWithIface = dyn_cast<ObjCInterfaceDecl>(FoundDecls[I]))) |
| break; |
| } |
| |
| // Create an interface declaration, if one does not already exist. |
| ObjCInterfaceDecl *ToIface = MergeWithIface; |
| if (!ToIface) { |
| ToIface = ObjCInterfaceDecl::Create(Importer.getToContext(), DC, |
| Importer.Import(D->getAtStartLoc()), |
| Name.getAsIdentifierInfo(), |
| /*TypeParamList=*/nullptr, |
| /*PrevDecl=*/nullptr, Loc, |
| D->isImplicitInterfaceDecl()); |
| ToIface->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(ToIface); |
| } |
| Importer.Imported(D, ToIface); |
| // Import the type parameter list after calling Imported, to avoid |
| // loops when bringing in their DeclContext. |
| ToIface->setTypeParamList(ImportObjCTypeParamList( |
| D->getTypeParamListAsWritten())); |
| |
| if (D->isThisDeclarationADefinition() && ImportDefinition(D, ToIface)) |
| return nullptr; |
| |
| return ToIface; |
| } |
| |
| Decl *ASTNodeImporter::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) { |
| ObjCCategoryDecl *Category = cast_or_null<ObjCCategoryDecl>( |
| Importer.Import(D->getCategoryDecl())); |
| if (!Category) |
| return nullptr; |
| |
| ObjCCategoryImplDecl *ToImpl = Category->getImplementation(); |
| if (!ToImpl) { |
| DeclContext *DC = Importer.ImportContext(D->getDeclContext()); |
| if (!DC) |
| return nullptr; |
| |
| SourceLocation CategoryNameLoc = Importer.Import(D->getCategoryNameLoc()); |
| ToImpl = ObjCCategoryImplDecl::Create(Importer.getToContext(), DC, |
| Importer.Import(D->getIdentifier()), |
| Category->getClassInterface(), |
| Importer.Import(D->getLocation()), |
| Importer.Import(D->getAtStartLoc()), |
| CategoryNameLoc); |
| |
| DeclContext *LexicalDC = DC; |
| if (D->getDeclContext() != D->getLexicalDeclContext()) { |
| LexicalDC = Importer.ImportContext(D->getLexicalDeclContext()); |
| if (!LexicalDC) |
| return nullptr; |
| |
| ToImpl->setLexicalDeclContext(LexicalDC); |
| } |
| |
| LexicalDC->addDeclInternal(ToImpl); |
| Category->setImplementation(ToImpl); |
| } |
| |
| Importer.Imported(D, ToImpl); |
| ImportDeclContext(D); |
| return ToImpl; |
| } |
| |
| Decl *ASTNodeImporter::VisitObjCImplementationDecl(ObjCImplementationDecl *D) { |
| // Find the corresponding interface. |
| ObjCInterfaceDecl *Iface = cast_or_null<ObjCInterfaceDecl>( |
| Importer.Import(D->getClassInterface())); |
| if (!Iface) |
| return nullptr; |
| |
| // Import the superclass, if any. |
| ObjCInterfaceDecl *Super = nullptr; |
| if (D->getSuperClass()) { |
| Super = cast_or_null<ObjCInterfaceDecl>( |
| Importer.Import(D->getSuperClass())); |
| if (!Super) |
| return nullptr; |
| } |
| |
| ObjCImplementationDecl *Impl = Iface->getImplementation(); |
| if (!Impl) { |
| // We haven't imported an implementation yet. Create a new @implementation |
| // now. |
| Impl = ObjCImplementationDecl::Create(Importer.getToContext(), |
| Importer.ImportContext(D->getDeclContext()), |
| Iface, Super, |
| Importer.Import(D->getLocation()), |
| Importer.Import(D->getAtStartLoc()), |
| Importer.Import(D->getSuperClassLoc()), |
| Importer.Import(D->getIvarLBraceLoc()), |
| Importer.Import(D->getIvarRBraceLoc())); |
| |
| if (D->getDeclContext() != D->getLexicalDeclContext()) { |
| DeclContext *LexicalDC |
| = Importer.ImportContext(D->getLexicalDeclContext()); |
| if (!LexicalDC) |
| return nullptr; |
| Impl->setLexicalDeclContext(LexicalDC); |
| } |
| |
| // Associate the implementation with the class it implements. |
| Iface->setImplementation(Impl); |
| Importer.Imported(D, Iface->getImplementation()); |
| } else { |
| Importer.Imported(D, Iface->getImplementation()); |
| |
| // Verify that the existing @implementation has the same superclass. |
| if ((Super && !Impl->getSuperClass()) || |
| (!Super && Impl->getSuperClass()) || |
| (Super && Impl->getSuperClass() && |
| !declaresSameEntity(Super->getCanonicalDecl(), |
| Impl->getSuperClass()))) { |
| Importer.ToDiag(Impl->getLocation(), |
| diag::err_odr_objc_superclass_inconsistent) |
| << Iface->getDeclName(); |
| // FIXME: It would be nice to have the location of the superclass |
| // below. |
| if (Impl->getSuperClass()) |
| Importer.ToDiag(Impl->getLocation(), |
| diag::note_odr_objc_superclass) |
| << Impl->getSuperClass()->getDeclName(); |
| else |
| Importer.ToDiag(Impl->getLocation(), |
| diag::note_odr_objc_missing_superclass); |
| if (D->getSuperClass()) |
| Importer.FromDiag(D->getLocation(), |
| diag::note_odr_objc_superclass) |
| << D->getSuperClass()->getDeclName(); |
| else |
| Importer.FromDiag(D->getLocation(), |
| diag::note_odr_objc_missing_superclass); |
| return nullptr; |
| } |
| } |
| |
| // Import all of the members of this @implementation. |
| ImportDeclContext(D); |
| |
| return Impl; |
| } |
| |
| 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 (unsigned I = 0, N = FoundDecls.size(); I != N; ++I) { |
| if (ObjCPropertyDecl *FoundProp |
| = dyn_cast<ObjCPropertyDecl>(FoundDecls[I])) { |
| // Check property types. |
| if (!Importer.IsStructurallyEquivalent(D->getType(), |
| FoundProp->getType())) { |
| Importer.ToDiag(Loc, diag::err_odr_objc_property_type_inconsistent) |
| << Name << D->getType() << FoundProp->getType(); |
| Importer.ToDiag(FoundProp->getLocation(), diag::note_odr_value_here) |
| << FoundProp->getType(); |
| return nullptr; |
| } |
| |
| // FIXME: Check property attributes, getters, setters, etc.? |
| |
| // Consider these properties to be equivalent. |
| Importer.Imported(D, FoundProp); |
| return FoundProp; |
| } |
| } |
| |
| // Import the type. |
| TypeSourceInfo *TSI = Importer.Import(D->getTypeSourceInfo()); |
| if (!TSI) |
| return nullptr; |
| |
| // Create the new property. |
| ObjCPropertyDecl *ToProperty |
| = ObjCPropertyDecl::Create(Importer.getToContext(), DC, Loc, |
| Name.getAsIdentifierInfo(), |
| Importer.Import(D->getAtLoc()), |
| Importer.Import(D->getLParenLoc()), |
| Importer.Import(D->getType()), |
| TSI, |
| D->getPropertyImplementation()); |
| Importer.Imported(D, ToProperty); |
| ToProperty->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(ToProperty); |
| |
| ToProperty->setPropertyAttributes(D->getPropertyAttributes()); |
| ToProperty->setPropertyAttributesAsWritten( |
| D->getPropertyAttributesAsWritten()); |
| ToProperty->setGetterName(Importer.Import(D->getGetterName())); |
| ToProperty->setSetterName(Importer.Import(D->getSetterName())); |
| 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) { |
| ObjCPropertyDecl *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; |
| } |
| |
| ObjCImplDecl *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) { |
| ToImpl = ObjCPropertyImplDecl::Create(Importer.getToContext(), DC, |
| Importer.Import(D->getLocStart()), |
| Importer.Import(D->getLocation()), |
| Property, |
| D->getPropertyImplementation(), |
| Ivar, |
| Importer.Import(D->getPropertyIvarDeclLoc())); |
| ToImpl->setLexicalDeclContext(LexicalDC); |
| Importer.Imported(D, ToImpl); |
| LexicalDC->addDeclInternal(ToImpl); |
| } else { |
| // Check that we have the same kind of property implementation (@synthesize |
| // vs. @dynamic). |
| if (D->getPropertyImplementation() != ToImpl->getPropertyImplementation()) { |
| 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.Imported(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. |
| return TemplateTypeParmDecl::Create(Importer.getToContext(), |
| Importer.getToContext().getTranslationUnitDecl(), |
| Importer.Import(D->getLocStart()), |
| Importer.Import(D->getLocation()), |
| D->getDepth(), |
| D->getIndex(), |
| Importer.Import(D->getIdentifier()), |
| D->wasDeclaredWithTypename(), |
| D->isParameterPack()); |
| } |
| |
| 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. |
| |
| return NonTypeTemplateParmDecl::Create(Importer.getToContext(), |
| Importer.getToContext().getTranslationUnitDecl(), |
| Importer.Import(D->getInnerLocStart()), |
| Loc, D->getDepth(), D->getPosition(), |
| Name.getAsIdentifierInfo(), |
| T, D->isParameterPack(), TInfo); |
| } |
| |
| 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. |
| |
| return TemplateTemplateParmDecl::Create(Importer.getToContext(), |
| Importer.getToContext().getTranslationUnitDecl(), |
| Loc, D->getDepth(), D->getPosition(), |
| D->isParameterPack(), |
| Name.getAsIdentifierInfo(), |
| TemplateParams); |
| } |
| |
| 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. |
| CXXRecordDecl *Definition |
| = cast_or_null<CXXRecordDecl>(D->getTemplatedDecl()->getDefinition()); |
| if (Definition && Definition != D->getTemplatedDecl()) { |
| Decl *ImportedDef |
| = Importer.Import(Definition->getDescribedClassTemplate()); |
| if (!ImportedDef) |
| return nullptr; |
| |
| return Importer.Imported(D, ImportedDef); |
| } |
| |
| // Import the major distinguishing characteristics of this class template. |
| DeclContext *DC, *LexicalDC; |
| DeclarationName Name; |
| SourceLocation Loc; |
| NamedDecl *ToD; |
| if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
| return nullptr; |
| if (ToD) |
| return ToD; |
| |
| // We may already have a template of the same name; try to find and match it. |
| if (!DC->isFunctionOrMethod()) { |
| SmallVector<NamedDecl *, 4> ConflictingDecls; |
| SmallVector<NamedDecl *, 2> FoundDecls; |
| DC->getRedeclContext()->localUncachedLookup(Name, FoundDecls); |
| for (unsigned I = 0, N = FoundDecls.size(); I != N; ++I) { |
| if (!FoundDecls[I]->isInIdentifierNamespace(Decl::IDNS_Ordinary)) |
| continue; |
| |
| Decl *Found = FoundDecls[I]; |
| if (ClassTemplateDecl *FoundTemplate |
| = dyn_cast<ClassTemplateDecl>(Found)) { |
| if (IsStructuralMatch(D, FoundTemplate)) { |
| // The class templates structurally match; call it the same template. |
| // FIXME: We may be filling in a forward declaration here. Handle |
| // this case! |
| Importer.Imported(D->getTemplatedDecl(), |
| FoundTemplate->getTemplatedDecl()); |
| return Importer.Imported(D, FoundTemplate); |
| } |
| } |
| |
| ConflictingDecls.push_back(FoundDecls[I]); |
| } |
| |
| if (!ConflictingDecls.empty()) { |
| Name = Importer.HandleNameConflict(Name, DC, Decl::IDNS_Ordinary, |
| ConflictingDecls.data(), |
| ConflictingDecls.size()); |
| } |
| |
| if (!Name) |
| return nullptr; |
| } |
| |
| CXXRecordDecl *DTemplated = D->getTemplatedDecl(); |
| |
| // Create the declaration that is being templated. |
| // Create the declaration that is being templated. |
| CXXRecordDecl *D2Templated = cast_or_null<CXXRecordDecl>( |
| Importer.Import(DTemplated)); |
| if (!D2Templated) |
| return nullptr; |
| |
| // Resolve possible cyclic import. |
| if (Decl *AlreadyImported = Importer.GetAlreadyImportedOrNull(D)) |
| return AlreadyImported; |
| |
| // Create the class template declaration itself. |
| TemplateParameterList *TemplateParams |
| = ImportTemplateParameterList(D->getTemplateParameters()); |
| if (!TemplateParams) |
| return nullptr; |
| |
| ClassTemplateDecl *D2 = ClassTemplateDecl::Create(Importer.getToContext(), DC, |
| Loc, Name, TemplateParams, |
| D2Templated, |
| /*PrevDecl=*/nullptr); |
| D2Templated->setDescribedClassTemplate(D2); |
| |
| D2->setAccess(D->getAccess()); |
| D2->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(D2); |
| |
| // Note the relationship between the class templates. |
| Importer.Imported(D, D2); |
| Importer.Imported(DTemplated, D2Templated); |
| |
| if (DTemplated->isCompleteDefinition() && |
| !D2Templated->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.Imported(D, ImportedDef); |
| } |
| |
| ClassTemplateDecl *ClassTemplate |
| = cast_or_null<ClassTemplateDecl>(Importer.Import( |
| D->getSpecializedTemplate())); |
| if (!ClassTemplate) |
| return nullptr; |
| |
| // Import the context of this declaration. |
| DeclContext *DC = ClassTemplate->getDeclContext(); |
| if (!DC) |
| return nullptr; |
| |
| DeclContext *LexicalDC = DC; |
| if (D->getDeclContext() != D->getLexicalDeclContext()) { |
| LexicalDC = Importer.ImportContext(D->getLexicalDeclContext()); |
| if (!LexicalDC) |
| return nullptr; |
| } |
| |
| // Import the location of this declaration. |
| SourceLocation StartLoc = Importer.Import(D->getLocStart()); |
| SourceLocation IdLoc = Importer.Import(D->getLocation()); |
| |
| // Import template arguments. |
| SmallVector<TemplateArgument, 2> TemplateArgs; |
| if (ImportTemplateArguments(D->getTemplateArgs().data(), |
| D->getTemplateArgs().size(), |
| TemplateArgs)) |
| return nullptr; |
| |
| // Try to find an existing specialization with these template arguments. |
| void *InsertPos = nullptr; |
| ClassTemplateSpecializationDecl *D2 |
| = ClassTemplate->findSpecialization(TemplateArgs, InsertPos); |
| if (D2) { |
| // We already have a class template specialization with these template |
| // arguments. |
| |
| // FIXME: Check for specialization vs. instantiation errors. |
| |
| if (RecordDecl *FoundDef = D2->getDefinition()) { |
| if (!D->isCompleteDefinition() || IsStructuralMatch(D, FoundDef)) { |
| // The record types structurally match, or the "from" translation |
| // unit only had a forward declaration anyway; call it the same |
| // function. |
| return Importer.Imported(D, FoundDef); |
| } |
| } |
| } else { |
| // Create a new specialization. |
| D2 = ClassTemplateSpecializationDecl::Create(Importer.getToContext(), |
| D->getTagKind(), DC, |
| StartLoc, IdLoc, |
| ClassTemplate, |
| TemplateArgs, |
| /*PrevDecl=*/nullptr); |
| D2->setSpecializationKind(D->getSpecializationKind()); |
| |
| // Add this specialization to the class template. |
| ClassTemplate->AddSpecialization(D2, InsertPos); |
| |
| // Import the qualifier, if any. |
| D2->setQualifierInfo(Importer.Import(D->getQualifierLoc())); |
| |
| // Add the specialization to this context. |
| D2->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(D2); |
| } |
| Importer.Imported(D, D2); |
| |
| if (D->isCompleteDefinition() && ImportDefinition(D, D2)) |
| return nullptr; |
| |
| return D2; |
| } |
| |
| 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. |
| VarDecl *Definition = |
| cast_or_null<VarDecl>(D->getTemplatedDecl()->getDefinition()); |
| if (Definition && Definition != D->getTemplatedDecl()) { |
| Decl *ImportedDef = Importer.Import(Definition->getDescribedVarTemplate()); |
| if (!ImportedDef) |
| return nullptr; |
| |
| return Importer.Imported(D, ImportedDef); |
| } |
| |
| // Import the major distinguishing characteristics of this variable template. |
| DeclContext *DC, *LexicalDC; |
| DeclarationName Name; |
| SourceLocation Loc; |
| NamedDecl *ToD; |
| if (ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
| return nullptr; |
| if (ToD) |
| return ToD; |
| |
| // We may already have a template of the same name; try to find and match it. |
| assert(!DC->isFunctionOrMethod() && |
| "Variable templates cannot be declared at function scope"); |
| SmallVector<NamedDecl *, 4> ConflictingDecls; |
| SmallVector<NamedDecl *, 2> FoundDecls; |
| DC->getRedeclContext()->localUncachedLookup(Name, FoundDecls); |
| for (unsigned I = 0, N = FoundDecls.size(); I != N; ++I) { |
| if (!FoundDecls[I]->isInIdentifierNamespace(Decl::IDNS_Ordinary)) |
| continue; |
| |
| Decl *Found = FoundDecls[I]; |
| if (VarTemplateDecl *FoundTemplate = dyn_cast<VarTemplateDecl>(Found)) { |
| if (IsStructuralMatch(D, FoundTemplate)) { |
| // The variable templates structurally match; call it the same template. |
| Importer.Imported(D->getTemplatedDecl(), |
| FoundTemplate->getTemplatedDecl()); |
| return Importer.Imported(D, FoundTemplate); |
| } |
| } |
| |
| ConflictingDecls.push_back(FoundDecls[I]); |
| } |
| |
| 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. |
| SourceLocation StartLoc = Importer.Import(DTemplated->getLocStart()); |
| SourceLocation IdLoc = Importer.Import(DTemplated->getLocation()); |
| TypeSourceInfo *TInfo = Importer.Import(DTemplated->getTypeSourceInfo()); |
| VarDecl *D2Templated = VarDecl::Create(Importer.getToContext(), DC, StartLoc, |
| IdLoc, Name.getAsIdentifierInfo(), T, |
| TInfo, DTemplated->getStorageClass()); |
| D2Templated->setAccess(DTemplated->getAccess()); |
| D2Templated->setQualifierInfo(Importer.Import(DTemplated->getQualifierLoc())); |
| D2Templated->setLexicalDeclContext(LexicalDC); |
| |
| // Importer.Imported(DTemplated, D2Templated); |
| // LexicalDC->addDeclInternal(D2Templated); |
| |
| // Merge the initializer. |
| if (ImportDefinition(DTemplated, D2Templated)) |
| return nullptr; |
| |
| // Create the variable template declaration itself. |
| TemplateParameterList *TemplateParams = |
| ImportTemplateParameterList(D->getTemplateParameters()); |
| if (!TemplateParams) |
| return nullptr; |
| |
| VarTemplateDecl *D2 = VarTemplateDecl::Create( |
| Importer.getToContext(), DC, Loc, Name, TemplateParams, D2Templated); |
| D2Templated->setDescribedVarTemplate(D2); |
| |
| D2->setAccess(D->getAccess()); |
| D2->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(D2); |
| |
| // Note the relationship between the variable templates. |
| Importer.Imported(D, D2); |
| Importer.Imported(DTemplated, D2Templated); |
| |
| if (DTemplated->isThisDeclarationADefinition() && |
| !D2Templated->isThisDeclarationADefinition()) { |
| // FIXME: Import definition! |
| } |
| |
| return D2; |
| } |
| |
| 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.Imported(D, ImportedDef); |
| } |
| |
| VarTemplateDecl *VarTemplate = cast_or_null<VarTemplateDecl>( |
| Importer.Import(D->getSpecializedTemplate())); |
| if (!VarTemplate) |
| return nullptr; |
| |
| // Import the context of this declaration. |
| DeclContext *DC = VarTemplate->getDeclContext(); |
| if (!DC) |
| return nullptr; |
| |
| DeclContext *LexicalDC = DC; |
| if (D->getDeclContext() != D->getLexicalDeclContext()) { |
| LexicalDC = Importer.ImportContext(D->getLexicalDeclContext()); |
| if (!LexicalDC) |
| return nullptr; |
| } |
| |
| // Import the location of this declaration. |
| SourceLocation StartLoc = Importer.Import(D->getLocStart()); |
| SourceLocation IdLoc = Importer.Import(D->getLocation()); |
| |
| // Import template arguments. |
| SmallVector<TemplateArgument, 2> TemplateArgs; |
| if (ImportTemplateArguments(D->getTemplateArgs().data(), |
| D->getTemplateArgs().size(), TemplateArgs)) |
| return nullptr; |
| |
| // Try to find an existing specialization with these template arguments. |
| void *InsertPos = nullptr; |
| VarTemplateSpecializationDecl *D2 = VarTemplate->findSpecialization( |
| TemplateArgs, InsertPos); |
| if (D2) { |
| // We already have a variable template specialization with these template |
| // arguments. |
| |
| // FIXME: Check for specialization vs. instantiation errors. |
| |
| if (VarDecl *FoundDef = D2->getDefinition()) { |
| if (!D->isThisDeclarationADefinition() || |
| IsStructuralMatch(D, FoundDef)) { |
| // The record types structurally match, or the "from" translation |
| // unit only had a forward declaration anyway; call it the same |
| // variable. |
| return Importer.Imported(D, FoundDef); |
| } |
| } |
| } else { |
| |
| // Import the type. |
| QualType T = Importer.Import(D->getType()); |
| if (T.isNull()) |
| return nullptr; |
| TypeSourceInfo *TInfo = Importer.Import(D->getTypeSourceInfo()); |
| |
| // Create a new specialization. |
| D2 = VarTemplateSpecializationDecl::Create( |
| Importer.getToContext(), DC, StartLoc, IdLoc, VarTemplate, T, TInfo, |
| D->getStorageClass(), TemplateArgs); |
| D2->setSpecializationKind(D->getSpecializationKind()); |
| D2->setTemplateArgsInfo(D->getTemplateArgsInfo()); |
| |
| // Add this specialization to the class template. |
| VarTemplate->AddSpecialization(D2, InsertPos); |
| |
| // Import the qualifier, if any. |
| D2->setQualifierInfo(Importer.Import(D->getQualifierLoc())); |
| |
| // Add the specialization to this context. |
| D2->setLexicalDeclContext(LexicalDC); |
| LexicalDC->addDeclInternal(D2); |
| } |
| Importer.Imported(D, D2); |
| |
| if (D->isThisDeclarationADefinition() && ImportDefinition(D, D2)) |
| return nullptr; |
| |
| return D2; |
| } |
| |
| //---------------------------------------------------------------------------- |
| // 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)); |
| if (!ToII) |
| return nullptr; |
| Names.push_back(ToII); |
| } |
| for (unsigned I = 0, E = S->getNumInputs(); I != E; I++) { |
| IdentifierInfo *ToII = Importer.Import(S->getInputIdentifier(I)); |
| if (!ToII) |
| return nullptr; |
| Names.push_back(ToII); |
| } |
| |
| SmallVector<StringLiteral *, 4> Clobbers; |
| for (unsigned I = 0, E = S->getNumClobbers(); I != E; I++) { |
| StringLiteral *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++) { |
| StringLiteral *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++) { |
| StringLiteral *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 (ImportArrayChecked(S->begin_outputs(), S->end_outputs(), Exprs.begin())) |
| return nullptr; |
| |
| if (ImportArrayChecked(S->begin_inputs(), S->end_inputs(), |
| Exprs.begin() + S->getNumOutputs())) |
| return nullptr; |
| |
| StringLiteral *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 (Decl *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) { |
| llvm::SmallVector<Stmt *, 8> ToStmts(S->size()); |
| |
| if (ImportArrayChecked(S->body_begin(), S->body_end(), ToStmts.begin())) |
| return nullptr; |
| |
| SourceLocation ToLBraceLoc = Importer.Import(S->getLBracLoc()); |
| SourceLocation ToRBraceLoc = Importer.Import(S->getRBracLoc()); |
| return new (Importer.getToContext()) CompoundStmt(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; |
| SourceLocation ToCaseLoc = Importer.Import(S->getCaseLoc()); |
| SourceLocation ToEllipsisLoc = Importer.Import(S->getEllipsisLoc()); |
| SourceLocation ToColonLoc = Importer.Import(S->getColonLoc()); |
| return new (Importer.getToContext()) CaseStmt(ToLHS, ToRHS, |
| ToCaseLoc, ToEllipsisLoc, |
| ToColonLoc); |
| } |
| |
| 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()); |
| LabelDecl *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()); |
| ASTContext &_ToContext = Importer.getToContext(); |
| std::transform(FromAttrs.begin(), FromAttrs.end(), ToAttrs.begin(), |
| [&_ToContext](const Attr *A) -> const Attr * { |
| return A->clone(_ToContext); |
| }); |
| for (const Attr *ToA : ToAttrs) { |
| if (!ToA) |
| return nullptr; |
| } |
| Stmt *ToSubStmt = Importer.Import(S->getSubStmt()); |
| if (!ToSubStmt && S->getSubStmt()) |
| return nullptr; |
| return AttributedStmt::Create(Importer.getToContext(), ToAttrLoc, |
| ToAttrs, ToSubStmt); |
| } |
| |
| 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; |
| SwitchStmt *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()) { |
| SwitchCase *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; |
| VarDecl *NRVOCandidate = const_cast<VarDecl*>(S->getNRVOCandidate()); |
| VarDecl *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) { |
| DeclStmt *ToRange = |
| dyn_cast_or_null<DeclStmt>(Importer.Import(S->getRangeStmt())); |
| if (!ToRange && S->getRangeStmt()) |
| return nullptr; |
| DeclStmt *ToBegin = |
| dyn_cast_or_null<DeclStmt>(Importer.Import(S->getBeginStmt())); |
| if (!ToBegin && S->getBeginStmt()) |
| return nullptr; |
| DeclStmt *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; |
| DeclStmt *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->getExprLoc())); |
| } |
| |
| Expr *ASTNodeImporter::VisitPredefinedExpr(PredefinedExpr *E) { |
| QualType T = Importer.Import(E->getType()); |
| if (T.isNull()) |
| return nullptr; |
| |
| StringLiteral *SL = cast_or_null<StringLiteral>( |
| Importer.Import(E->getFunctionName())); |
| if (!SL && E->getFunctionName()) |
| return nullptr; |
| |
| return new (Importer.getToContext()) PredefinedExpr( |
| Importer.Import(E->getExprLoc()), T, E->getIdentType(), SL); |
| } |
| |
| Expr *ASTNodeImporter::VisitDeclRefExpr(DeclRefExpr *E) { |
| ValueDecl *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; |
| |
| 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, |
| /*FIXME:TemplateArgs=*/nullptr); |
| if (E->hadMultipleCandidates()) |
| DRE->setHadMultipleCandidates(true); |
| return DRE; |
| } |
| |
| Expr *ASTNodeImporter::VisitImplicitValueInitExpr(ImplicitValueInitExpr *E) { |
| QualType T = Importer.Import(E->getType()); |
| if (T.isNull()) |
| return NULL; |
| |
| 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) { |
| Expr *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 (Expr *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 Designator &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; |
| |
| LabelDecl *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 (ImportArrayChecked( |
| E->getExprs(), E->getExprs() + E->getNumExprs(), Exprs.begin())) |
| 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; |
| |
| CompoundStmt *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())); |
| } |
| |
| 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->isFPContractable()); |
| } |
| |
| 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; |
| |
| OpaqueValueExpr *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::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->getExprLoc()), T, E->getValueKind(), |
| E->getObjectKind(), SourceExpr); |
| } |
| |
| 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->isFPContractable()); |
| } |
| |
| static bool ImportCastPath(CastExpr *E, CXXCastPath &Path) { |
| if (E->path_empty()) return false; |
| |
| // TODO: import cast paths |
| return true; |
| } |
| |
| 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::VisitCStyleCastExpr(CStyleCastExpr *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; |
| |
| return CStyleCastExpr::Create(Importer.getToContext(), T, |
| E->getValueKind(), E->getCastKind(), |
| SubExpr, &BasePath, TInfo, |
| Importer.Import(E->getLParenLoc()), |
| Importer.Import(E->getRParenLoc())); |
| } |
| |
| Expr *ASTNodeImporter::VisitCXXConstructExpr(CXXConstructExpr *E) { |
| QualType T = Importer.Import(E->getType()); |
| if (T.isNull()) |
| return nullptr; |
| |
| CXXConstructorDecl *ToCCD = |
| dyn_cast_or_null<CXXConstructorDecl>(Importer.Import(E->getConstructor())); |
| if (!ToCCD) |
| return nullptr; |
| |
| SmallVector<Expr *, 6> ToArgs(E->getNumArgs()); |
| if (ImportArrayChecked(E->getArgs(), E->getArgs() + E->getNumArgs(), |
| ToArgs.begin())) |
| 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::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 (ImportArrayChecked(E->arg_begin(), E->arg_end(), ToArgs.begin())) |
| 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; |
| |
| ValueDecl *ToMember = dyn_cast<ValueDecl>(Importer.Import(E->getMemberDecl())); |
| if (!ToMember && E->getMemberDecl()) |
| return nullptr; |
| |
| DeclAccessPair ToFoundDecl = DeclAccessPair::make( |
| dyn_cast<NamedDecl>(Importer.Import(E->getFoundDecl().getDecl())), |
| E->getFoundDecl().getAccess()); |
| |
| DeclarationNameInfo ToMemberNameInfo( |
| Importer.Import(E->getMemberNameInfo().getName()), |
| Importer.Import(E->getMemberNameInfo().getLoc())); |
| |
| if (E->hasExplicitTemplateArgs()) { |
| return nullptr; // FIXME: handle template arguments |
| } |
| |
| return MemberExpr::Create(Importer.getToContext(), ToBase, |
| E->isArrow(), |
| Importer.Import(E->getOperatorLoc()), |
| Importer.Import(E->getQualifierLoc()), |
| Importer.Import(E->getTemplateKeywordLoc()), |
| ToMember, ToFoundDecl, ToMemberNameInfo, |
| nullptr, T, E->getValueKind(), |
| E->getObjectKind()); |
| } |
| |
| 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(); |
| |
| llvm::SmallVector<Expr *, 2> ToArgs(NumArgs); |
| |
| for (unsigned ai = 0, ae = NumArgs; ai != ae; ++ai) { |
| Expr *FromArg = E->getArg(ai); |
| Expr *ToArg = Importer.Import(FromArg); |
| if (!ToArg) |
| return nullptr; |
| ToArgs[ai] = ToArg; |
| } |
| |
| Expr **ToArgs_Copied = new (Importer.getToContext()) |
| Expr*[NumArgs]; |
| |
| for (unsigned ai = 0, ae = NumArgs; ai != ae; ++ai) |
| ToArgs_Copied[ai] = ToArgs[ai]; |
| |
| return new (Importer.getToContext()) |
| CallExpr(Importer.getToContext(), ToCallee, |
| llvm::makeArrayRef(ToArgs_Copied, NumArgs), T, E->getValueKind(), |
| Importer.Import(E->getRParenLoc())); |
| } |
| |
| Expr *ASTNodeImporter::VisitInitListExpr(InitListExpr *ILE) { |
| QualType T = Importer.Import(ILE->getType()); |
| if (T.isNull()) |
| return nullptr; |
| |
| llvm::SmallVector<Expr *, 4> Exprs(ILE->getNumInits()); |
| if (ImportArrayChecked( |
| ILE->getInits(), ILE->getInits() + ILE->getNumInits(), Exprs.begin())) |
| 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()) { |
| FieldDecl *ToFD = cast_or_null<FieldDecl>(Importer.Import(FromFD)); |
| if (!ToFD) |
| return nullptr; |
| To->setInitializedFieldInUnion(ToFD); |
| } |
| |
| if (InitListExpr *SyntForm = ILE->getSyntacticForm()) { |
| InitListExpr *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::VisitCXXDefaultInitExpr(CXXDefaultInitExpr *DIE) { |
| FieldDecl *ToField = llvm::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; |
| } |
| } |
| |
| ASTImporter::ASTImporter(ASTContext &ToContext, FileManager &ToFileManager, |
| ASTContext &FromContext, FileManager &FromFileManager, |
| bool MinimalImport) |
| : ToContext(ToContext), FromContext(FromContext), |
| ToFileManager(ToFileManager), FromFileManager(FromFileManager), |
| Minimal(MinimalImport), LastDiagFromFrom(false) |
| { |
| ImportedDecls[FromContext.getTranslationUnitDecl()] |
| = ToContext.getTranslationUnitDecl(); |
| } |
| |
| ASTImporter::~ASTImporter() { } |
| |
| QualType ASTImporter::Import(QualType FromT) { |
| if (FromT.isNull()) |
| return QualType(); |
| |
| 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())); |
| } |
| |
| Decl *ASTImporter::GetAlreadyImportedOrNull(Decl *FromD) { |
| llvm::DenseMap<Decl *, Decl *>::iterator Pos = ImportedDecls.find(FromD); |
| if (Pos != ImportedDecls.end()) { |
| Decl *ToD = Pos->second; |
| ASTNodeImporter(*this).ImportDefinitionIfNeeded(FromD, ToD); |
| return ToD; |
| } else { |
| return nullptr; |
| } |
| } |
| |
| Decl *ASTImporter::Import(Decl *FromD) { |
| if (!FromD) |
| return nullptr; |
| |
| ASTNodeImporter Importer(*this); |
| |
| // Check whether we've already imported this declaration. |
| llvm::DenseMap<Decl *, Decl *>::iterator Pos = ImportedDecls.find(FromD); |
| if (Pos != ImportedDecls.end()) { |
| Decl *ToD = Pos->second; |
| Importer.ImportDefinitionIfNeeded(FromD, ToD); |
| return ToD; |
| } |
| |
| // Import the type |
| Decl *ToD = Importer.Visit(FromD); |
| if (!ToD) |
| return nullptr; |
| |
| // Record the imported declaration. |
| ImportedDecls[FromD] = ToD; |
| |
| if (TagDecl *FromTag = dyn_cast<TagDecl>(FromD)) { |
| // Keep track of anonymous tags that have an associated typedef. |
| if (FromTag->getTypedefNameForAnonDecl()) |
| AnonTagsWithPendingTypedefs.push_back(FromTag); |
| } else if (TypedefNameDecl *FromTypedef = dyn_cast<TypedefNameDecl>(FromD)) { |
| // When we've finished transforming a typedef, see whether it was the |
| // typedef for an anonymous tag. |
| for (SmallVectorImpl<TagDecl *>::iterator |
| FromTag = AnonTagsWithPendingTypedefs.begin(), |
| FromTagEnd = AnonTagsWithPendingTypedefs.end(); |
| FromTag != FromTagEnd; ++FromTag) { |
| if ((*FromTag)->getTypedefNameForAnonDecl() == FromTypedef) { |
| if (TagDecl *ToTag = cast_or_null<TagDecl>(Import(*FromTag))) { |
| // We found the typedef for an anonymous tag; link them. |
| ToTag->setTypedefNameForAnonDecl(cast<TypedefNameDecl>(ToD)); |
| AnonTagsWithPendingTypedefs.erase(FromTag); |
| break; |
| } |
| } |
| } |
| } |
| |
| return ToD; |
| } |
| |
| DeclContext *ASTImporter::ImportContext(DeclContext *FromDC) { |
| if (!FromDC) |
| return FromDC; |
| |
| DeclContext *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 (RecordDecl *ToRecord = dyn_cast<RecordDecl>(ToDC)) { |
| RecordDecl *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 (EnumDecl *ToEnum = dyn_cast<EnumDecl>(ToDC)) { |
| EnumDecl *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 (ObjCInterfaceDecl *ToClass = dyn_cast<ObjCInterfaceDecl>(ToDC)) { |
| ObjCInterfaceDecl *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 (ObjCProtocolDecl *ToProto = dyn_cast<ObjCProtocolDecl>(ToDC)) { |
| ObjCProtocolDecl *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 (NamespaceDecl *NS = |
| cast<NamespaceDecl>(Import(FromNNS->getAsNamespace()))) { |
| return NestedNameSpecifier::Create(ToContext, prefix, NS); |
| } |
| return nullptr; |
| |
| case NestedNameSpecifier::NamespaceAlias: |
| if (NamespaceAliasDecl *NSAD = |
| cast<NamespaceAliasDecl>(Import(FromNNS->getAsNamespaceAlias()))) { |
| return NestedNameSpecifier::Create(ToContext, prefix, NSAD); |
| } |
| return nullptr; |
| |
| case NestedNameSpecifier::Global: |
| return NestedNameSpecifier::GlobalSpecifier(ToContext); |
| |
| case NestedNameSpecifier::Super: |
| if (CXXRecordDecl *RD = |
| cast<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) { |
| // FIXME: Implement! |
| return NestedNameSpecifierLoc(); |
| } |
| |
| TemplateName ASTImporter::Import(TemplateName From) { |
| switch (From.getKind()) { |
| case TemplateName::Template: |
| if (TemplateDecl *ToTemplate |
| = cast_or_null<TemplateDecl>(Import(From.getAsTemplateDecl()))) |
| return TemplateName(ToTemplate); |
| |
| return TemplateName(); |
| |
| case TemplateName::OverloadedTemplate: { |
| OverloadedTemplateStorage *FromStorage = From.getAsOverloadedTemplate(); |
| UnresolvedSet<2> ToTemplates; |
| for (OverloadedTemplateStorage::iterator I = FromStorage->begin(), |
| E = FromStorage->end(); |
| I != E; ++I) { |
| if (NamedDecl *To = cast_or_null<NamedDecl>(Import(*I))) |
| ToTemplates.addDecl(To); |
| else |
| return TemplateName(); |
| } |
| return ToContext.getOverloadedTemplateName(ToTemplates.begin(), |
| ToTemplates.end()); |
| } |
| |
| case TemplateName::QualifiedTemplate: { |
| QualifiedTemplateName *QTN = From.getAsQualifiedTemplateName(); |
| NestedNameSpecifier *Qualifier = Import(QTN->getQualifier()); |
| if (!Qualifier) |
| return TemplateName(); |
| |
| if (TemplateDecl *ToTemplate |
| = cast_or_null<TemplateDecl>(Import(From.getAsTemplateDecl()))) |
| return ToContext.getQualifiedTemplateName(Qualifier, |
| QTN->hasTemplateKeyword(), |
| ToTemplate); |
| |
| return TemplateName(); |
| } |
| |
| case TemplateName::DependentTemplate: { |
| DependentTemplateName *DTN = From.getAsDependentTemplateName(); |
| NestedNameSpecifier *Qualifier = Import(DTN->getQualifier()); |
| if (!Qualifier) |
| return TemplateName(); |
| |
| if (DTN->isIdentifier()) { |
| return ToContext.getDependentTemplateName(Qualifier, |
| Import(DTN->getIdentifier())); |
| } |
| |
| return ToContext.getDependentTemplateName(Qualifier, DTN->getOperator()); |
| } |
| |
| case TemplateName::SubstTemplateTemplateParm: { |
| SubstTemplateTemplateParmStorage *subst |
| = From.getAsSubstTemplateTemplateParm(); |
| TemplateTemplateParmDecl *param |
| = cast_or_null<TemplateTemplateParmDecl>(Import(subst->getParameter())); |
| if (!param) |
| return TemplateName(); |
| |
| TemplateName replacement = Import(subst->getReplacement()); |
| if (replacement.isNull()) return TemplateName(); |
| |
| return ToContext.getSubstTemplateTemplateParm(param, replacement); |
| } |
| |
| case TemplateName::SubstTemplateTemplateParmPack: { |
| SubstTemplateTemplateParmPackStorage *SubstPack |
| = From.getAsSubstTemplateTemplateParmPack(); |
| TemplateTemplateParmDecl *Param |
| = cast_or_null<TemplateTemplateParmDecl>( |
| Import(SubstPack->getParameterPack())); |
| if (!Param) |
| return TemplateName(); |
| |
| ASTNodeImporter Importer(*this); |
| TemplateArgument ArgPack |
| = Importer.ImportTemplateArgument(SubstPack->getArgumentPack()); |
| if (ArgPack.isNull()) |
| return TemplateName(); |
| |
| return ToContext.getSubstTemplateTemplateParmPack(Param, ArgPack); |
| } |
| } |
| |
| llvm_unreachable("Invalid template name kind"); |
| } |
| |
| SourceLocation ASTImporter::Import(SourceLocation FromLoc) { |
| if (FromLoc.isInvalid()) |
| return SourceLocation(); |
| |
| SourceManager &FromSM = FromContext.getSourceManager(); |
| |
| // For now, map everything down to its spelling location, so that we |
| // don't have to import macro expansions. |
| // FIXME: Import macro expansions! |
| FromLoc = FromSM.getSpellingLoc(FromLoc); |
| std::pair<FileID, unsigned> Decomposed = FromSM.getDecomposedLoc(FromLoc); |
| SourceManager &ToSM = ToContext.getSourceManager(); |
| FileID ToFileID = Import(Decomposed.first); |
| if (ToFileID.isInvalid()) |
| return SourceLocation(); |
| SourceLocation ret = ToSM.getLocForStartOfFile(ToFileID) |
| .getLocWithOffset(Decomposed.second); |
| return ret; |
| } |
| |
| 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); |
| assert(FromSLoc.isFile() && "Cannot handle macro expansions yet"); |
| |
| // Include location of this file. |
| SourceLocation ToIncludeLoc = Import(FromSLoc.getFile().getIncludeLoc()); |
| |
| // Map the FileID for to the "to" source manager. |
| FileID ToID; |
| const SrcMgr::ContentCache *Cache = FromSLoc.getFile().getContentCache(); |
| if (Cache->OrigEntry && Cache->OrigEntry->getDir()) { |
| // FIXME: We probably want to use getVirtualFile(), so we don't hit the |
| // disk again |
| // FIXME: We definitely want to re-use the existing MemoryBuffer, rather |
| // than mmap the files several times. |
| const FileEntry *Entry = ToFileManager.getFile(Cache->OrigEntry->getName()); |
| if (!Entry) |
| return FileID(); |
| 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()) { |
| FieldDecl *ToField = |
| llvm::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()) { |
| IndirectFieldDecl *ToIField = llvm::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 if (unsigned NumArrayIndices = From->getNumArrayIndices()) { |
| FieldDecl *ToField = |
| llvm::cast_or_null<FieldDecl>(Import(From->getMember())); |
| if (!ToField && From->getMember()) |
| return nullptr; |
| |
| SmallVector<VarDecl *, 4> ToAIs(NumArrayIndices); |
| |
| for (unsigned AII = 0; AII < NumArrayIndices; ++AII) { |
| VarDecl *ToArrayIndex = |
| dyn_cast_or_null<VarDecl>(Import(From->getArrayIndex(AII))); |
| if (!ToArrayIndex && From->getArrayIndex(AII)) |
| return nullptr; |
| } |
| |
| return CXXCtorInitializer::Create( |
| ToContext, ToField, Import(From->getMemberLocation()), |
| Import(From->getLParenLoc()), ToExpr, Import(From->getRParenLoc()), |
| ToAIs.data(), NumArrayIndices); |
| } else { |
| return nullptr; |
| } |
| } |
| |
| |
| void ASTImporter::ImportDefinition(Decl *From) { |
| Decl *To = Import(From); |
| if (!To) |
| return; |
| |
| if (DeclContext *FromDC = cast<DeclContext>(From)) { |
| ASTNodeImporter Importer(*this); |
| |
| if (RecordDecl *ToRecord = dyn_cast<RecordDecl>(To)) { |
| if (!ToRecord->getDefinition()) { |
| Importer.ImportDefinition(cast<RecordDecl>(FromDC), ToRecord, |
| ASTNodeImporter::IDK_Everything); |
| return; |
| } |
| } |
| |
| if (EnumDecl *ToEnum = dyn_cast<EnumDecl>(To)) { |
| if (!ToEnum->getDefinition()) { |
| Importer.ImportDefinition(cast<EnumDecl>(FromDC), ToEnum, |
| ASTNodeImporter::IDK_Everything); |
| return; |
| } |
| } |
| |
| if (ObjCInterfaceDecl *ToIFace = dyn_cast<ObjCInterfaceDecl>(To)) { |
| if (!ToIFace->getDefinition()) { |
| Importer.ImportDefinition(cast<ObjCInterfaceDecl>(FromDC), ToIFace, |
| ASTNodeImporter::IDK_Everything); |
| return; |
| } |
| } |
| |
| if (ObjCProtocolDecl *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 DeclarationName(); |
| |
| 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 DeclarationName(); |
| |
| return ToContext.DeclarationNames.getCXXConstructorName( |
| ToContext.getCanonicalType(T)); |
| } |
| |
| case DeclarationName::CXXDestructorName: { |
| QualType T = Import(FromName.getCXXNameType()); |
| if (T.isNull()) |
| return DeclarationName(); |
| |
| return ToContext.DeclarationNames.getCXXDestructorName( |
| ToContext.getCanonicalType(T)); |
| } |
| |
| case DeclarationName::CXXConversionFunctionName: { |
| QualType T = Import(FromName.getCXXNameType()); |
| if (T.isNull()) |
| return DeclarationName(); |
| |
| 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 Selector(); |
| |
| 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 (ObjCInterfaceDecl *ID = dyn_cast<ObjCInterfaceDecl>(D)) { |
| if (!ID->getDefinition()) |
| ID->startDefinition(); |
| } |
| else if (ObjCProtocolDecl *PD = dyn_cast<ObjCProtocolDecl>(D)) { |
| if (!PD->getDefinition()) |
| PD->startDefinition(); |
| } |
| else if (TagDecl *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::Imported(Decl *From, Decl *To) { |
| if (From->hasAttrs()) { |
| for (Attr *FromAttr : From->getAttrs()) |
| To->addAttr(FromAttr->clone(To->getASTContext())); |
| } |
| if (From->isUsed()) { |
| To->setIsUsed(); |
| } |
| if (From->isImplicit()) { |
| To->setImplicit(); |
| } |
| 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, |
| false, Complain); |
| return Ctx.IsStructurallyEquivalent(From, To); |
| } |