Index: include/clang/AST/Type.h =================================================================== --- include/clang/AST/Type.h +++ include/clang/AST/Type.h @@ -4283,6 +4283,8 @@ friend class ASTReader; // FIXME: ASTContext::getInjectedClassNameType is not // currently suitable for AST reading, too much // interdependencies. + friend class ASTNodeImporter; + InjectedClassNameType(CXXRecordDecl *D, QualType TST) : Type(InjectedClassName, QualType(), /*Dependent=*/true, /*InstantiationDependent=*/true, Index: lib/AST/ASTImporter.cpp =================================================================== --- lib/AST/ASTImporter.cpp +++ lib/AST/ASTImporter.cpp @@ -29,7 +29,7 @@ public DeclVisitor, public StmtVisitor { ASTImporter &Importer; - + public: explicit ASTNodeImporter(ASTImporter &Importer) : Importer(Importer) { } @@ -64,11 +64,12 @@ 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); - // FIXME: TemplateTypeParmType + QualType VisitTemplateTypeParmType(const TemplateTypeParmType *T); // FIXME: SubstTemplateTypeParmType QualType VisitTemplateSpecializationType(const TemplateSpecializationType *T); QualType VisitElaboratedType(const ElaboratedType *T); @@ -86,6 +87,10 @@ 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 { @@ -136,6 +141,7 @@ 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); @@ -175,6 +181,7 @@ DeclGroupRef ImportDeclGroup(DeclGroupRef DG); Stmt *VisitStmt(Stmt *S); + Stmt *VisitGCCAsmStmt(GCCAsmStmt *S); Stmt *VisitDeclStmt(DeclStmt *S); Stmt *VisitNullStmt(NullStmt *S); Stmt *VisitCompoundStmt(CompoundStmt *S); @@ -192,7 +199,6 @@ Stmt *VisitContinueStmt(ContinueStmt *S); Stmt *VisitBreakStmt(BreakStmt *S); Stmt *VisitReturnStmt(ReturnStmt *S); - // FIXME: GCCAsmStmt // FIXME: MSAsmStmt // FIXME: SEHExceptStmt // FIXME: SEHFinallyStmt @@ -213,13 +219,29 @@ // 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); @@ -230,32 +252,34 @@ Expr *VisitMemberExpr(MemberExpr *E); Expr *VisitCallExpr(CallExpr *E); Expr *VisitInitListExpr(InitListExpr *E); - - template bool ImportArray(Iter B, Iter E, llvm::ArrayRef &ToArray) { - size_t NumElements = E - B; - SmallVector ImportedElements(NumElements); - ASTImporter &_Importer = Importer; - + + template + void ImportArray(IIter Ibegin, IIter Iend, OIter Obegin) { + typedef typename std::remove_reference::type ItemT; + ASTImporter &ImporterRef = Importer; + std::transform(Ibegin, Iend, Obegin, + [&ImporterRef](ItemT From) -> ItemT { + return ImporterRef.Import(From); + }); + } + + template + bool ImportArrayChecked(IIter Ibegin, IIter Iend, OIter Obegin) { + typedef typename std::remove_reference::type ItemT; + ASTImporter &ImporterRef = Importer; bool Failed = false; - std::transform(B, E, ImportedElements.begin(), - [&_Importer, &Failed](T *Element) -> T* { - T *ToElement = _Importer.Import(Element); - if (Element && !ToElement) + std::transform(Ibegin, Iend, Obegin, + [&ImporterRef, &Failed](ItemT *From) -> ItemT * { + ItemT *To = ImporterRef.Import(From); + if (!To && From) Failed = true; - return ToElement; + return To; }); - - if (Failed) - return false; - - T **CopiedElements = new (Importer.getToContext()) T*[NumElements]; - std::copy(ImportedElements.begin(), ImportedElements.end(), &CopiedElements[0]); - ToArray = llvm::ArrayRef(CopiedElements, NumElements); - - return true; + return Failed; } }; } + using namespace clang; //---------------------------------------------------------------------------- @@ -1787,6 +1811,28 @@ /*IsDependent*/false); } +QualType ASTNodeImporter::VisitInjectedClassNameType( + const InjectedClassNameType *T) { + CXXRecordDecl *D = cast_or_null(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(Importer.Import(T->getDecl())); @@ -1826,6 +1872,18 @@ ToModifiedType, ToEquivalentType); } + +QualType ASTNodeImporter::VisitTemplateTypeParmType( + const TemplateTypeParmType *T) { + TemplateTypeParmDecl *ParmDecl = + cast_or_null(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()); @@ -2521,6 +2579,39 @@ 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(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; @@ -4324,16 +4415,16 @@ CXXRecordDecl *DTemplated = D->getTemplatedDecl(); // Create the declaration that is being templated. - SourceLocation StartLoc = Importer.Import(DTemplated->getLocStart()); - SourceLocation IdLoc = Importer.Import(DTemplated->getLocation()); - CXXRecordDecl *D2Templated = CXXRecordDecl::Create(Importer.getToContext(), - DTemplated->getTagKind(), - DC, StartLoc, IdLoc, - Name.getAsIdentifierInfo()); - D2Templated->setAccess(DTemplated->getAccess()); - D2Templated->setQualifierInfo(Importer.Import(DTemplated->getQualifierLoc())); - D2Templated->setLexicalDeclContext(LexicalDC); - + // Create the declaration that is being templated. + CXXRecordDecl *D2Templated = cast_or_null( + 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()); @@ -4677,7 +4768,78 @@ << S->getStmtClassName(); return nullptr; } - + + +Stmt *ASTNodeImporter::VisitGCCAsmStmt(GCCAsmStmt *S) { + SmallVector 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 Clobbers; + for (unsigned I = 0, E = S->getNumClobbers(); I != E; I++) { + StringLiteral *Clobber = cast_or_null( + Importer.Import(S->getClobberStringLiteral(I))); + if (!Clobber) + return nullptr; + Clobbers.push_back(Clobber); + } + + SmallVector Constraints; + for (unsigned I = 0, E = S->getNumOutputs(); I != E; I++) { + StringLiteral *Output = cast_or_null( + 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( + Importer.Import(S->getInputConstraintLiteral(I))); + if (!Input) + return nullptr; + Constraints.push_back(Input); + } + + SmallVector 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( + 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) { @@ -4696,9 +4858,9 @@ } Stmt *ASTNodeImporter::VisitCompoundStmt(CompoundStmt *S) { - llvm::ArrayRef ToStmts; + llvm::SmallVector ToStmts(S->size()); - if (!ImportArray(S->body_begin(), S->body_end(), ToStmts)) + if (ImportArrayChecked(S->body_begin(), S->body_end(), ToStmts.begin())) return nullptr; SourceLocation ToLBraceLoc = Importer.Import(S->getLBracLoc()); @@ -5119,6 +5281,48 @@ 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( + 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(Importer.Import(E->getDecl())); if (!ToD) @@ -5149,6 +5353,76 @@ 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(Importer.Import(DIE->getInit())); + if (!Init) + return nullptr; + + SmallVector 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(Importer.Import(DIE->getSubExpr(I)))) + IndexExprs[I - 1] = Arg; + else + return nullptr; + } + + SmallVector Designators(DIE->size()); + std::transform(DIE->designators_begin(), DIE->designators_end(), + Designators.begin(), + [this](const Designator &D) -> Designator { + return ImportDesignator(D); + }); + + for (auto I = DIE->designators_begin(), E = DIE->designators_end(); I != E; + ++I) + if (I->isFieldDesignator() && !I->getFieldName()) + return nullptr; + + return DesignatedInitExpr::Create( + Importer.getToContext(), Designators.data(), Designators.size(), + 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()) @@ -5159,6 +5433,16 @@ 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()) @@ -5169,6 +5453,67 @@ Importer.Import(E->getLocation())); } +Expr *ASTNodeImporter::VisitStringLiteral(StringLiteral *E) { + QualType T = Importer.Import(E->getType()); + if (T.isNull()) + return nullptr; + + SmallVector 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 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(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) @@ -5180,6 +5525,31 @@ SubExpr); } +Expr *ASTNodeImporter::VisitParenListExpr(ParenListExpr *E) { + SmallVector 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( + 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()) @@ -5240,6 +5610,76 @@ 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( + 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()) @@ -5328,9 +5768,9 @@ if (!ToCCD && E->getConstructor()) return nullptr; - ArrayRef ToArgs; - - if (!ImportArray(E->arg_begin(), E->arg_end(), ToArgs)) + SmallVector ToArgs(E->getNumArgs()); + if (ImportArrayChecked(E->getArgs(), E->getArgs() + E->getNumArgs(), + ToArgs.begin())) return nullptr; return CXXConstructExpr::Create(Importer.getToContext(), T, @@ -5353,14 +5793,14 @@ if (!ToFn) return nullptr; - ArrayRef ToArgs; + SmallVector ToArgs(E->getNumArgs()); - if (!ImportArray(E->arg_begin(), E->arg_end(), ToArgs)) + 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())); + return new (Importer.getToContext()) CXXMemberCallExpr( + Importer.getToContext(), ToFn, ToArgs, T, E->getValueKind(), + Importer.Import(E->getRParenLoc())); } Expr *ASTNodeImporter::VisitCXXThisExpr(CXXThisExpr *E) { @@ -5450,26 +5890,49 @@ Importer.Import(E->getRParenLoc())); } -Expr *ASTNodeImporter::VisitInitListExpr(InitListExpr *E) { - QualType T = Importer.Import(E->getType()); +Expr *ASTNodeImporter::VisitInitListExpr(InitListExpr *ILE) { + QualType T = Importer.Import(ILE->getType()); if (T.isNull()) return nullptr; - - ArrayRef ToInits; - if (!ImportArray(E->inits().begin(), E->inits().end(), ToInits)) + llvm::SmallVector Exprs(ILE->getNumInits()); + if (ImportArrayChecked( + ILE->getInits(), ILE->getInits() + ILE->getNumInits(), Exprs.begin())) return nullptr; - - InitListExpr *ToE = new (Importer.getToContext()) - InitListExpr(Importer.getToContext(), - Importer.Import(E->getLBraceLoc()), - ToInits, - Importer.Import(E->getRBraceLoc())); - - if (ToE) - ToE->setType(T); - return ToE; + 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(Importer.Import(FromFD)); + if (!ToFD) + return nullptr; + To->setInitializedFieldInUnion(ToFD); + } + + if (InitListExpr *SyntForm = ILE->getSyntacticForm()) { + InitListExpr *ToSyntForm = cast_or_null( + Importer.Import(SyntForm)); + if (!ToSyntForm) + return nullptr; + To->setSyntacticForm(ToSyntForm); + } + + To->sawArrayRangeDesignator(ILE->hadArrayRangeDesignator()); + To->setValueDependent(ILE->isValueDependent()); + To->setInstantiationDependent(ILE->isInstantiationDependent()); + + return To; } ASTImporter::ASTImporter(ASTContext &ToContext, FileManager &ToFileManager, Index: unittests/AST/ASTImporterTest.cpp =================================================================== --- /dev/null +++ unittests/AST/ASTImporterTest.cpp @@ -0,0 +1,470 @@ +//===- unittest/AST/ASTImporterTest.cpp - AST node import test ------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// Tests for the correct import of AST nodes from one AST context to another. +// +//===----------------------------------------------------------------------===// + +#include "clang/AST/ASTContext.h" +#include "clang/AST/ASTImporter.h" +#include "MatchVerifier.h" +#include "clang/ASTMatchers/ASTMatchFinder.h" +#include "clang/ASTMatchers/ASTMatchers.h" +#include "clang/Tooling/Tooling.h" +#include "gtest/gtest.h" + +namespace clang { +namespace ast_matchers { + +using clang::tooling::newFrontendActionFactory; +using clang::tooling::runToolOnCodeWithArgs; +using clang::tooling::FrontendActionFactory; + +typedef std::vector StringVector; + +void getLangArgs(Language Lang, StringVector &Args) { + switch (Lang) { + case Lang_C: + Args.insert(Args.end(), { "-x", "c", "-std=c99" }); + break; + case Lang_C89: + Args.insert(Args.end(), { "-x", "c", "-std=c89" }); + break; + case Lang_CXX: + Args.push_back("-std=c++98"); + break; + case Lang_CXX11: + Args.push_back("-std=c++11"); + break; + case Lang_OpenCL: + case Lang_OBJCXX: + break; + } +} + +template +testing::AssertionResult +testImport(const std::string &FromCode, Language FromLang, + const std::string &ToCode, Language ToLang, + MatchVerifier &Verifier, + const MatcherType &AMatcher) { + StringVector FromArgs, ToArgs; + getLangArgs(FromLang, FromArgs); + getLangArgs(ToLang, ToArgs); + + const char *const InputFileName = "input.cc"; + const char *const OutputFileName = "output.cc"; + + std::unique_ptr + FromAST = tooling::buildASTFromCodeWithArgs( + FromCode, FromArgs, InputFileName), + ToAST = tooling::buildASTFromCodeWithArgs(ToCode, ToArgs, OutputFileName); + + ASTContext &FromCtx = FromAST->getASTContext(), + &ToCtx = ToAST->getASTContext(); + + // Add input.cc to virtual file system so importer can 'find' it + // while importing SourceLocations. + vfs::OverlayFileSystem *OFS = static_cast( + ToCtx.getSourceManager().getFileManager().getVirtualFileSystem().get()); + vfs::InMemoryFileSystem *MFS = static_cast( + OFS->overlays_begin()->get()); + MFS->addFile(InputFileName, 0, + llvm::MemoryBuffer::getMemBuffer(FromCode.c_str())); + + ASTImporter Importer(ToCtx, ToAST->getFileManager(), + FromCtx, FromAST->getFileManager(), false); + + IdentifierInfo *ImportedII = &FromCtx.Idents.get("declToImport"); + assert(ImportedII && "Declaration with 'declToImport' name" + "should be specified in test!"); + DeclarationName ImportDeclName(ImportedII); + SmallVector FoundDecls; + FromCtx.getTranslationUnitDecl()->localUncachedLookup( + ImportDeclName, FoundDecls); + + if (FoundDecls.size() != 1) + return testing::AssertionFailure() << "Multiple declarations were found!"; + + auto Imported = Importer.Import(*FoundDecls.begin()); + if (!Imported) + return testing::AssertionFailure() << "Import failed, nullptr returned!"; + + // This should dump source locations and assert if some source locations + // were not imported + SmallString<1024> ImportChecker; + llvm::raw_svector_ostream ToNothing(ImportChecker); + ToCtx.getTranslationUnitDecl()->print(ToNothing); + + return Verifier.match(Imported, AMatcher); +} + +TEST(ImportExpr, ImportStringLiteral) { + MatchVerifier Verifier; + EXPECT_TRUE(testImport("void declToImport() { \"foo\"; }", + Lang_CXX, "", Lang_CXX, Verifier, + functionDecl( + hasBody( + compoundStmt( + has( + stringLiteral( + hasType( + asString("const char [4]"))))))))); + EXPECT_TRUE(testImport("void declToImport() { L\"foo\"; }", + Lang_CXX, "", Lang_CXX, Verifier, + functionDecl( + hasBody( + compoundStmt( + has( + stringLiteral( + hasType( + asString("const wchar_t [4]"))))))))); + EXPECT_TRUE(testImport("void declToImport() { \"foo\" \"bar\"; }", + Lang_CXX, "", Lang_CXX, Verifier, + functionDecl( + hasBody( + compoundStmt( + has( + stringLiteral( + hasType( + asString("const char [7]"))))))))); +} + +TEST(ImportExpr, ImportGNUNullExpr) { + MatchVerifier Verifier; + EXPECT_TRUE(testImport("void declToImport() { __null; }", + Lang_CXX, "", Lang_CXX, Verifier, + functionDecl( + hasBody( + compoundStmt( + has( + gnuNullExpr( + hasType(isInteger())))))))); +} + +TEST(ImportExpr, ImportCXXNullPtrLiteralExpr) { + MatchVerifier Verifier; + EXPECT_TRUE(testImport("void declToImport() { nullptr; }", + Lang_CXX11, "", Lang_CXX11, Verifier, + functionDecl( + hasBody( + compoundStmt( + has( + cxxNullPtrLiteralExpr())))))); +} + + +TEST(ImportExpr, ImportFloatinglLiteralExpr) { + MatchVerifier Verifier; + EXPECT_TRUE(testImport("void declToImport() { 1.0; }", + Lang_CXX, "", Lang_CXX, Verifier, + functionDecl( + hasBody( + compoundStmt( + has( + floatLiteral( + equals(1.0), + hasType(asString("double"))))))))); + EXPECT_TRUE(testImport("void declToImport() { 1.0e-5f; }", + Lang_CXX, "", Lang_CXX, Verifier, + functionDecl( + hasBody( + compoundStmt( + has( + floatLiteral( + equals(1.0e-5f), + hasType(asString("float"))))))))); +} + +TEST(ImportExpr, ImportCompoundLiteralExpr) { + MatchVerifier Verifier; + EXPECT_TRUE( + testImport( + "void declToImport() {" + " struct s { int x; long y; unsigned z; }; " + " (struct s){ 42, 0L, 1U }; }", + Lang_CXX, "", Lang_CXX, Verifier, + functionDecl( + hasBody( + compoundStmt( + has( + compoundLiteralExpr( + hasType(asString("struct s")), + has(initListExpr( + hasType(asString("struct s")), + has(integerLiteral( + equals(42), hasType(asString("int")))), + has(integerLiteral( + equals(0), hasType(asString("long")))), + has(integerLiteral( + equals(1), + hasType(asString("unsigned int")))) + ))))))))); +} + +TEST(ImportExpr, ImportCXXThisExpr) { + MatchVerifier Verifier; + EXPECT_TRUE( + testImport("class declToImport { void f() { this; } };", + Lang_CXX, "", Lang_CXX, Verifier, + cxxRecordDecl( + hasMethod( + hasBody( + compoundStmt( + has( + cxxThisExpr( + hasType( + asString("class declToImport *")))))))))); +} + +TEST(ImportExpr, ImportAtomicExpr) { + MatchVerifier Verifier; + EXPECT_TRUE( + testImport( + "void declToImport() { int *ptr; __atomic_load_n(ptr, 1); }", + Lang_CXX, "", Lang_CXX, Verifier, + functionDecl( + hasBody( + compoundStmt( + has( + atomicExpr( + has(declRefExpr( + hasDeclaration(varDecl(hasName("ptr"))), + hasType(asString("int *")))), + has(integerLiteral(equals(1), hasType(asString("int")))) + ))))))); +} + +TEST(ImportExpr, ImportLabelDeclAndAddrLabelExpr) { + MatchVerifier Verifier; + EXPECT_TRUE( + testImport( + "void declToImport() { loop: goto loop; &&loop; }", + Lang_CXX, "", Lang_CXX, Verifier, + functionDecl( + hasBody( + compoundStmt( + has(labelStmt(hasDeclaration(labelDecl(hasName("loop"))))), + has(addrLabelExpr(hasDeclaration(labelDecl(hasName("loop"))))) + ))))); +} + +AST_MATCHER_P(TemplateDecl, hasTemplateDecl, + internal::Matcher, InnerMatcher) { + const NamedDecl *Template = Node.getTemplatedDecl(); + return Template && InnerMatcher.matches(*Template, Finder, Builder); +} + +TEST(ImportExpr, ImportParenListExpr) { + MatchVerifier Verifier; + EXPECT_TRUE( + testImport( + "template class dummy { void f() { dummy X(*this); } };" + "typedef dummy declToImport;" + "template class dummy;", + Lang_CXX, "", Lang_CXX, Verifier, + typedefDecl( + hasType( + templateSpecializationType( + hasDeclaration( + classTemplateDecl( + hasTemplateDecl( + cxxRecordDecl( + hasMethod( + allOf( + hasName("f"), + hasBody( + compoundStmt( + has( + declStmt( + hasSingleDecl( + varDecl( + hasInitializer( + parenListExpr( + has( + unaryOperator( + hasOperatorName("*"), + hasUnaryOperand(cxxThisExpr()) + ))))))))))))))))))))); +} + +TEST(ImportExpr, ImportStmtExpr) { + MatchVerifier Verifier; + // NOTE: has() ignores implicit casts, using hasDescendant() to match it + EXPECT_TRUE( + testImport( + "void declToImport() { int b; int a = b ?: 1; int C = ({int X=4; X;}); }", + Lang_CXX, "", Lang_CXX, Verifier, + functionDecl( + hasBody( + compoundStmt( + has( + declStmt( + hasSingleDecl( + varDecl( + hasName("C"), + hasType(asString("int")), + hasInitializer( + stmtExpr( + hasAnySubstatement( + declStmt( + hasSingleDecl( + varDecl( + hasName("X"), + hasType(asString("int")), + hasInitializer( + integerLiteral(equals(4))))))), + hasDescendant( + implicitCastExpr() + )))))))))))); +} + +TEST(ImportExpr, ImportConditionalOperator) { + MatchVerifier Verifier; + EXPECT_TRUE( + testImport( + "void declToImport() { true ? 1 : -5; }", + Lang_CXX, "", Lang_CXX, Verifier, + functionDecl( + hasBody( + compoundStmt( + has( + conditionalOperator( + hasCondition(cxxBoolLiteral(equals(true))), + hasTrueExpression(integerLiteral(equals(1))), + hasFalseExpression( + unaryOperator(hasUnaryOperand(integerLiteral(equals(5)))) + )))))))); +} + +TEST(ImportExpr, ImportBinaryConditionalOperator) { + MatchVerifier Verifier; + EXPECT_TRUE( + testImport( + "void declToImport() { 1 ?: -5; }", + Lang_CXX, "", Lang_CXX, Verifier, + functionDecl( + hasBody( + compoundStmt( + has( + binaryConditionalOperator( + hasCondition( + implicitCastExpr( + hasSourceExpression( + opaqueValueExpr( + hasSourceExpression(integerLiteral(equals(1))))), + hasType(booleanType()))), + hasTrueExpression( + opaqueValueExpr(hasSourceExpression( + integerLiteral(equals(1))))), + hasFalseExpression( + unaryOperator(hasOperatorName("-"), + hasUnaryOperand(integerLiteral(equals(5))))) + ))))))); +} + +TEST(ImportExpr, ImportDesignatedInitExpr) { + MatchVerifier Verifier; + EXPECT_TRUE(testImport("void declToImport() {" + " struct point { double x; double y; };" + " struct point ptarray[10] = " + "{ [2].y = 1.0, [2].x = 2.0, [0].x = 1.0 }; }", + Lang_C, "", Lang_C, Verifier, + functionDecl( + hasBody( + compoundStmt( + has( + declStmt( + hasSingleDecl( + varDecl( + hasInitializer( + initListExpr( + hasSyntacticForm( + initListExpr( + has( + designatedInitExpr( + designatorCountIs(2), + has(floatLiteral( + equals(1.0))), + has(integerLiteral( + equals(2))))), + has( + designatedInitExpr( + designatorCountIs(2), + has(floatLiteral( + equals(2.0))), + has(integerLiteral( + equals(2))))), + has( + designatedInitExpr( + designatorCountIs(2), + has(floatLiteral( + equals(1.0))), + has(integerLiteral( + equals(0))))) + ))))))))))))); +} + + +TEST(ImportExpr, ImportPredefinedExpr) { + MatchVerifier Verifier; + // __func__ expands as StringLiteral("declToImport") + EXPECT_TRUE(testImport("void declToImport() { __func__; }", + Lang_CXX, "", Lang_CXX, Verifier, + functionDecl( + hasBody( + compoundStmt( + has( + predefinedExpr( + hasType( + asString("const char [13]")), + has( + stringLiteral( + hasType( + asString("const char [13]"))))))))))); +} + +TEST(ImportExpr, ImportInitListExpr) { + MatchVerifier Verifier; + EXPECT_TRUE( + testImport( + "void declToImport() {" + " struct point { double x; double y; };" + " point ptarray[10] = { [2].y = 1.0, [2].x = 2.0," + " [0].x = 1.0 }; }", + Lang_CXX, "", Lang_CXX, Verifier, + functionDecl( + hasBody( + compoundStmt( + has( + declStmt( + hasSingleDecl( + varDecl( + hasInitializer( + initListExpr( + has( + cxxConstructExpr( + requiresZeroInitialization())), + has( + initListExpr( + hasType(asString("struct point")), + has(floatLiteral(equals(1.0))), + has(implicitValueInitExpr( + hasType(asString("double")))))), + has( + initListExpr( + hasType(asString("struct point")), + has(floatLiteral(equals(2.0))), + has(floatLiteral(equals(1.0))))) + ))))))))))); +} + + +} // end namespace ast_matchers +} // end namespace clang Index: unittests/AST/CMakeLists.txt =================================================================== --- unittests/AST/CMakeLists.txt +++ unittests/AST/CMakeLists.txt @@ -4,6 +4,7 @@ add_clang_unittest(ASTTests ASTContextParentMapTest.cpp + ASTImporterTest.cpp ASTTypeTraitsTest.cpp ASTVectorTest.cpp CommentLexer.cpp