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6698 lines
244 KiB
6698 lines
244 KiB
//===--- ASTImporter.cpp - Importing ASTs from other Contexts ---*- C++ -*-===// |
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// |
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// The LLVM Compiler Infrastructure |
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// |
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// This file is distributed under the University of Illinois Open Source |
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// License. See LICENSE.TXT for details. |
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// |
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//===----------------------------------------------------------------------===// |
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// |
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// This file defines the ASTImporter class which imports AST nodes from one |
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// context into another context. |
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// |
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//===----------------------------------------------------------------------===// |
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#include "clang/AST/ASTImporter.h" |
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#include "clang/AST/ASTContext.h" |
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#include "clang/AST/ASTDiagnostic.h" |
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#include "clang/AST/DeclCXX.h" |
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#include "clang/AST/DeclObjC.h" |
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#include "clang/AST/DeclVisitor.h" |
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#include "clang/AST/StmtVisitor.h" |
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#include "clang/AST/TypeVisitor.h" |
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#include "clang/Basic/FileManager.h" |
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#include "clang/Basic/SourceManager.h" |
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#include "llvm/Support/MemoryBuffer.h" |
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#include <deque> |
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namespace clang { |
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class ASTNodeImporter : public TypeVisitor<ASTNodeImporter, QualType>, |
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public DeclVisitor<ASTNodeImporter, Decl *>, |
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public StmtVisitor<ASTNodeImporter, Stmt *> { |
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ASTImporter &Importer; |
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public: |
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explicit ASTNodeImporter(ASTImporter &Importer) : Importer(Importer) { } |
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using TypeVisitor<ASTNodeImporter, QualType>::Visit; |
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using DeclVisitor<ASTNodeImporter, Decl *>::Visit; |
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using StmtVisitor<ASTNodeImporter, Stmt *>::Visit; |
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|
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// Importing types |
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QualType VisitType(const Type *T); |
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QualType VisitBuiltinType(const BuiltinType *T); |
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QualType VisitComplexType(const ComplexType *T); |
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QualType VisitPointerType(const PointerType *T); |
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QualType VisitBlockPointerType(const BlockPointerType *T); |
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QualType VisitLValueReferenceType(const LValueReferenceType *T); |
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QualType VisitRValueReferenceType(const RValueReferenceType *T); |
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QualType VisitMemberPointerType(const MemberPointerType *T); |
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QualType VisitConstantArrayType(const ConstantArrayType *T); |
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QualType VisitIncompleteArrayType(const IncompleteArrayType *T); |
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QualType VisitVariableArrayType(const VariableArrayType *T); |
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// FIXME: DependentSizedArrayType |
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// FIXME: DependentSizedExtVectorType |
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QualType VisitVectorType(const VectorType *T); |
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QualType VisitExtVectorType(const ExtVectorType *T); |
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QualType VisitFunctionNoProtoType(const FunctionNoProtoType *T); |
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QualType VisitFunctionProtoType(const FunctionProtoType *T); |
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// FIXME: UnresolvedUsingType |
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QualType VisitParenType(const ParenType *T); |
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QualType VisitTypedefType(const TypedefType *T); |
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QualType VisitTypeOfExprType(const TypeOfExprType *T); |
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// FIXME: DependentTypeOfExprType |
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QualType VisitTypeOfType(const TypeOfType *T); |
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QualType VisitDecltypeType(const DecltypeType *T); |
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QualType VisitUnaryTransformType(const UnaryTransformType *T); |
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QualType VisitAutoType(const AutoType *T); |
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QualType VisitInjectedClassNameType(const InjectedClassNameType *T); |
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// FIXME: DependentDecltypeType |
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QualType VisitRecordType(const RecordType *T); |
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QualType VisitEnumType(const EnumType *T); |
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QualType VisitAttributedType(const AttributedType *T); |
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QualType VisitTemplateTypeParmType(const TemplateTypeParmType *T); |
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// FIXME: SubstTemplateTypeParmType |
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QualType VisitTemplateSpecializationType(const TemplateSpecializationType *T); |
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QualType VisitElaboratedType(const ElaboratedType *T); |
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// FIXME: DependentNameType |
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// FIXME: DependentTemplateSpecializationType |
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QualType VisitObjCInterfaceType(const ObjCInterfaceType *T); |
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QualType VisitObjCObjectType(const ObjCObjectType *T); |
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QualType VisitObjCObjectPointerType(const ObjCObjectPointerType *T); |
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// Importing declarations |
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bool ImportDeclParts(NamedDecl *D, DeclContext *&DC, |
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DeclContext *&LexicalDC, DeclarationName &Name, |
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NamedDecl *&ToD, SourceLocation &Loc); |
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void ImportDefinitionIfNeeded(Decl *FromD, Decl *ToD = nullptr); |
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void ImportDeclarationNameLoc(const DeclarationNameInfo &From, |
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DeclarationNameInfo& To); |
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void ImportDeclContext(DeclContext *FromDC, bool ForceImport = false); |
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typedef DesignatedInitExpr::Designator Designator; |
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Designator ImportDesignator(const Designator &D); |
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/// \brief What we should import from the definition. |
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enum ImportDefinitionKind { |
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/// \brief Import the default subset of the definition, which might be |
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/// nothing (if minimal import is set) or might be everything (if minimal |
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/// import is not set). |
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IDK_Default, |
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/// \brief Import everything. |
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IDK_Everything, |
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/// \brief Import only the bare bones needed to establish a valid |
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/// DeclContext. |
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IDK_Basic |
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}; |
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bool shouldForceImportDeclContext(ImportDefinitionKind IDK) { |
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return IDK == IDK_Everything || |
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(IDK == IDK_Default && !Importer.isMinimalImport()); |
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} |
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bool ImportDefinition(RecordDecl *From, RecordDecl *To, |
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ImportDefinitionKind Kind = IDK_Default); |
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bool ImportDefinition(VarDecl *From, VarDecl *To, |
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ImportDefinitionKind Kind = IDK_Default); |
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bool ImportDefinition(EnumDecl *From, EnumDecl *To, |
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ImportDefinitionKind Kind = IDK_Default); |
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bool ImportDefinition(ObjCInterfaceDecl *From, ObjCInterfaceDecl *To, |
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ImportDefinitionKind Kind = IDK_Default); |
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bool ImportDefinition(ObjCProtocolDecl *From, ObjCProtocolDecl *To, |
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ImportDefinitionKind Kind = IDK_Default); |
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TemplateParameterList *ImportTemplateParameterList( |
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TemplateParameterList *Params); |
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TemplateArgument ImportTemplateArgument(const TemplateArgument &From); |
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bool ImportTemplateArguments(const TemplateArgument *FromArgs, |
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unsigned NumFromArgs, |
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SmallVectorImpl<TemplateArgument> &ToArgs); |
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bool IsStructuralMatch(RecordDecl *FromRecord, RecordDecl *ToRecord, |
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bool Complain = true); |
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bool IsStructuralMatch(VarDecl *FromVar, VarDecl *ToVar, |
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bool Complain = true); |
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bool IsStructuralMatch(EnumDecl *FromEnum, EnumDecl *ToRecord); |
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bool IsStructuralMatch(EnumConstantDecl *FromEC, EnumConstantDecl *ToEC); |
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bool IsStructuralMatch(ClassTemplateDecl *From, ClassTemplateDecl *To); |
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bool IsStructuralMatch(VarTemplateDecl *From, VarTemplateDecl *To); |
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Decl *VisitDecl(Decl *D); |
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Decl *VisitAccessSpecDecl(AccessSpecDecl *D); |
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Decl *VisitTranslationUnitDecl(TranslationUnitDecl *D); |
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Decl *VisitNamespaceDecl(NamespaceDecl *D); |
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Decl *VisitTypedefNameDecl(TypedefNameDecl *D, bool IsAlias); |
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Decl *VisitTypedefDecl(TypedefDecl *D); |
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Decl *VisitTypeAliasDecl(TypeAliasDecl *D); |
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Decl *VisitLabelDecl(LabelDecl *D); |
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Decl *VisitEnumDecl(EnumDecl *D); |
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Decl *VisitRecordDecl(RecordDecl *D); |
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Decl *VisitEnumConstantDecl(EnumConstantDecl *D); |
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Decl *VisitFunctionDecl(FunctionDecl *D); |
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Decl *VisitCXXMethodDecl(CXXMethodDecl *D); |
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Decl *VisitCXXConstructorDecl(CXXConstructorDecl *D); |
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Decl *VisitCXXDestructorDecl(CXXDestructorDecl *D); |
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Decl *VisitCXXConversionDecl(CXXConversionDecl *D); |
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Decl *VisitFieldDecl(FieldDecl *D); |
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Decl *VisitIndirectFieldDecl(IndirectFieldDecl *D); |
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Decl *VisitObjCIvarDecl(ObjCIvarDecl *D); |
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Decl *VisitVarDecl(VarDecl *D); |
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Decl *VisitImplicitParamDecl(ImplicitParamDecl *D); |
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Decl *VisitParmVarDecl(ParmVarDecl *D); |
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Decl *VisitObjCMethodDecl(ObjCMethodDecl *D); |
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Decl *VisitObjCTypeParamDecl(ObjCTypeParamDecl *D); |
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Decl *VisitObjCCategoryDecl(ObjCCategoryDecl *D); |
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Decl *VisitObjCProtocolDecl(ObjCProtocolDecl *D); |
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Decl *VisitLinkageSpecDecl(LinkageSpecDecl *D); |
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ObjCTypeParamList *ImportObjCTypeParamList(ObjCTypeParamList *list); |
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Decl *VisitObjCInterfaceDecl(ObjCInterfaceDecl *D); |
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Decl *VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D); |
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Decl *VisitObjCImplementationDecl(ObjCImplementationDecl *D); |
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Decl *VisitObjCPropertyDecl(ObjCPropertyDecl *D); |
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Decl *VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D); |
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Decl *VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D); |
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Decl *VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D); |
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Decl *VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D); |
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Decl *VisitClassTemplateDecl(ClassTemplateDecl *D); |
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Decl *VisitClassTemplateSpecializationDecl( |
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ClassTemplateSpecializationDecl *D); |
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Decl *VisitVarTemplateDecl(VarTemplateDecl *D); |
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Decl *VisitVarTemplateSpecializationDecl(VarTemplateSpecializationDecl *D); |
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// Importing statements |
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DeclGroupRef ImportDeclGroup(DeclGroupRef DG); |
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Stmt *VisitStmt(Stmt *S); |
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Stmt *VisitGCCAsmStmt(GCCAsmStmt *S); |
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Stmt *VisitDeclStmt(DeclStmt *S); |
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Stmt *VisitNullStmt(NullStmt *S); |
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Stmt *VisitCompoundStmt(CompoundStmt *S); |
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Stmt *VisitCaseStmt(CaseStmt *S); |
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Stmt *VisitDefaultStmt(DefaultStmt *S); |
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Stmt *VisitLabelStmt(LabelStmt *S); |
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Stmt *VisitAttributedStmt(AttributedStmt *S); |
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Stmt *VisitIfStmt(IfStmt *S); |
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Stmt *VisitSwitchStmt(SwitchStmt *S); |
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Stmt *VisitWhileStmt(WhileStmt *S); |
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Stmt *VisitDoStmt(DoStmt *S); |
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Stmt *VisitForStmt(ForStmt *S); |
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Stmt *VisitGotoStmt(GotoStmt *S); |
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Stmt *VisitIndirectGotoStmt(IndirectGotoStmt *S); |
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Stmt *VisitContinueStmt(ContinueStmt *S); |
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Stmt *VisitBreakStmt(BreakStmt *S); |
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Stmt *VisitReturnStmt(ReturnStmt *S); |
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// FIXME: MSAsmStmt |
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// FIXME: SEHExceptStmt |
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// FIXME: SEHFinallyStmt |
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// FIXME: SEHTryStmt |
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// FIXME: SEHLeaveStmt |
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// FIXME: CapturedStmt |
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Stmt *VisitCXXCatchStmt(CXXCatchStmt *S); |
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Stmt *VisitCXXTryStmt(CXXTryStmt *S); |
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Stmt *VisitCXXForRangeStmt(CXXForRangeStmt *S); |
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// FIXME: MSDependentExistsStmt |
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Stmt *VisitObjCForCollectionStmt(ObjCForCollectionStmt *S); |
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Stmt *VisitObjCAtCatchStmt(ObjCAtCatchStmt *S); |
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Stmt *VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S); |
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Stmt *VisitObjCAtTryStmt(ObjCAtTryStmt *S); |
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Stmt *VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S); |
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Stmt *VisitObjCAtThrowStmt(ObjCAtThrowStmt *S); |
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Stmt *VisitObjCAutoreleasePoolStmt(ObjCAutoreleasePoolStmt *S); |
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// Importing expressions |
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Expr *VisitExpr(Expr *E); |
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Expr *VisitVAArgExpr(VAArgExpr *E); |
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Expr *VisitGNUNullExpr(GNUNullExpr *E); |
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Expr *VisitPredefinedExpr(PredefinedExpr *E); |
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Expr *VisitDeclRefExpr(DeclRefExpr *E); |
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Expr *VisitImplicitValueInitExpr(ImplicitValueInitExpr *ILE); |
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Expr *VisitDesignatedInitExpr(DesignatedInitExpr *E); |
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Expr *VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E); |
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Expr *VisitIntegerLiteral(IntegerLiteral *E); |
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Expr *VisitFloatingLiteral(FloatingLiteral *E); |
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Expr *VisitCharacterLiteral(CharacterLiteral *E); |
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Expr *VisitStringLiteral(StringLiteral *E); |
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Expr *VisitCompoundLiteralExpr(CompoundLiteralExpr *E); |
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Expr *VisitAtomicExpr(AtomicExpr *E); |
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Expr *VisitAddrLabelExpr(AddrLabelExpr *E); |
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Expr *VisitParenExpr(ParenExpr *E); |
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Expr *VisitParenListExpr(ParenListExpr *E); |
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Expr *VisitStmtExpr(StmtExpr *E); |
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Expr *VisitUnaryOperator(UnaryOperator *E); |
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Expr *VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr *E); |
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Expr *VisitBinaryOperator(BinaryOperator *E); |
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Expr *VisitConditionalOperator(ConditionalOperator *E); |
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Expr *VisitBinaryConditionalOperator(BinaryConditionalOperator *E); |
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Expr *VisitOpaqueValueExpr(OpaqueValueExpr *E); |
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Expr *VisitCompoundAssignOperator(CompoundAssignOperator *E); |
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Expr *VisitImplicitCastExpr(ImplicitCastExpr *E); |
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Expr *VisitCStyleCastExpr(CStyleCastExpr *E); |
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Expr *VisitCXXConstructExpr(CXXConstructExpr *E); |
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Expr *VisitCXXMemberCallExpr(CXXMemberCallExpr *E); |
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Expr *VisitCXXThisExpr(CXXThisExpr *E); |
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Expr *VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E); |
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Expr *VisitMemberExpr(MemberExpr *E); |
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Expr *VisitCallExpr(CallExpr *E); |
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Expr *VisitInitListExpr(InitListExpr *E); |
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Expr *VisitCXXDefaultInitExpr(CXXDefaultInitExpr *E); |
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Expr *VisitCXXNamedCastExpr(CXXNamedCastExpr *E); |
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template<typename IIter, typename OIter> |
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void ImportArray(IIter Ibegin, IIter Iend, OIter Obegin) { |
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typedef typename std::remove_reference<decltype(*Obegin)>::type ItemT; |
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ASTImporter &ImporterRef = Importer; |
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std::transform(Ibegin, Iend, Obegin, |
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[&ImporterRef](ItemT From) -> ItemT { |
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return ImporterRef.Import(From); |
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}); |
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} |
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template<typename IIter, typename OIter> |
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bool ImportArrayChecked(IIter Ibegin, IIter Iend, OIter Obegin) { |
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typedef typename std::remove_reference<decltype(**Obegin)>::type ItemT; |
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ASTImporter &ImporterRef = Importer; |
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bool Failed = false; |
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std::transform(Ibegin, Iend, Obegin, |
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[&ImporterRef, &Failed](ItemT *From) -> ItemT * { |
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ItemT *To = ImporterRef.Import(From); |
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if (!To && From) |
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Failed = true; |
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return To; |
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}); |
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return Failed; |
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} |
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}; |
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} |
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using namespace clang; |
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//---------------------------------------------------------------------------- |
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// Structural Equivalence |
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//---------------------------------------------------------------------------- |
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namespace { |
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struct StructuralEquivalenceContext { |
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/// \brief AST contexts for which we are checking structural equivalence. |
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ASTContext &C1, &C2; |
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/// \brief The set of "tentative" equivalences between two canonical |
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/// declarations, mapping from a declaration in the first context to the |
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/// declaration in the second context that we believe to be equivalent. |
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llvm::DenseMap<Decl *, Decl *> TentativeEquivalences; |
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/// \brief Queue of declarations in the first context whose equivalence |
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/// with a declaration in the second context still needs to be verified. |
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std::deque<Decl *> DeclsToCheck; |
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/// \brief Declaration (from, to) pairs that are known not to be equivalent |
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/// (which we have already complained about). |
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llvm::DenseSet<std::pair<Decl *, Decl *> > &NonEquivalentDecls; |
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/// \brief Whether we're being strict about the spelling of types when |
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/// unifying two types. |
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bool StrictTypeSpelling; |
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/// \brief Whether to complain about failures. |
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bool Complain; |
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/// \brief \c true if the last diagnostic came from C2. |
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bool LastDiagFromC2; |
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StructuralEquivalenceContext(ASTContext &C1, ASTContext &C2, |
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llvm::DenseSet<std::pair<Decl *, Decl *> > &NonEquivalentDecls, |
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bool StrictTypeSpelling = false, |
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bool Complain = true) |
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: C1(C1), C2(C2), NonEquivalentDecls(NonEquivalentDecls), |
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StrictTypeSpelling(StrictTypeSpelling), Complain(Complain), |
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LastDiagFromC2(false) {} |
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/// \brief Determine whether the two declarations are structurally |
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/// equivalent. |
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bool IsStructurallyEquivalent(Decl *D1, Decl *D2); |
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/// \brief Determine whether the two types are structurally equivalent. |
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bool IsStructurallyEquivalent(QualType T1, QualType T2); |
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private: |
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/// \brief Finish checking all of the structural equivalences. |
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/// |
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/// \returns true if an error occurred, false otherwise. |
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bool Finish(); |
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public: |
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DiagnosticBuilder Diag1(SourceLocation Loc, unsigned DiagID) { |
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assert(Complain && "Not allowed to complain"); |
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if (LastDiagFromC2) |
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C1.getDiagnostics().notePriorDiagnosticFrom(C2.getDiagnostics()); |
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LastDiagFromC2 = false; |
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return C1.getDiagnostics().Report(Loc, DiagID); |
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} |
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DiagnosticBuilder Diag2(SourceLocation Loc, unsigned DiagID) { |
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assert(Complain && "Not allowed to complain"); |
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if (!LastDiagFromC2) |
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C2.getDiagnostics().notePriorDiagnosticFrom(C1.getDiagnostics()); |
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LastDiagFromC2 = true; |
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return C2.getDiagnostics().Report(Loc, DiagID); |
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} |
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}; |
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} |
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static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context, |
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QualType T1, QualType T2); |
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static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context, |
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Decl *D1, Decl *D2); |
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/// \brief Determine structural equivalence of two expressions. |
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static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context, |
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Expr *E1, Expr *E2) { |
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if (!E1 || !E2) |
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return E1 == E2; |
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// FIXME: Actually perform a structural comparison! |
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return true; |
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} |
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/// \brief Determine whether two identifiers are equivalent. |
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static bool IsStructurallyEquivalent(const IdentifierInfo *Name1, |
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const IdentifierInfo *Name2) { |
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if (!Name1 || !Name2) |
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return Name1 == Name2; |
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return Name1->getName() == Name2->getName(); |
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} |
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/// \brief Determine whether two nested-name-specifiers are equivalent. |
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static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context, |
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NestedNameSpecifier *NNS1, |
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NestedNameSpecifier *NNS2) { |
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// FIXME: Implement! |
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return true; |
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} |
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/// \brief Determine whether two template arguments are equivalent. |
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static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context, |
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const TemplateArgument &Arg1, |
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const TemplateArgument &Arg2) { |
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if (Arg1.getKind() != Arg2.getKind()) |
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return false; |
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|
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switch (Arg1.getKind()) { |
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case TemplateArgument::Null: |
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return true; |
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|
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case TemplateArgument::Type: |
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return Context.IsStructurallyEquivalent(Arg1.getAsType(), Arg2.getAsType()); |
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|
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case TemplateArgument::Integral: |
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if (!Context.IsStructurallyEquivalent(Arg1.getIntegralType(), |
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Arg2.getIntegralType())) |
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return false; |
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|
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return llvm::APSInt::isSameValue(Arg1.getAsIntegral(), Arg2.getAsIntegral()); |
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|
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case TemplateArgument::Declaration: |
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return Context.IsStructurallyEquivalent(Arg1.getAsDecl(), Arg2.getAsDecl()); |
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case TemplateArgument::NullPtr: |
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return true; // FIXME: Is this correct? |
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|
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case TemplateArgument::Template: |
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return IsStructurallyEquivalent(Context, |
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Arg1.getAsTemplate(), |
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Arg2.getAsTemplate()); |
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|
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case TemplateArgument::TemplateExpansion: |
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return IsStructurallyEquivalent(Context, |
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Arg1.getAsTemplateOrTemplatePattern(), |
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Arg2.getAsTemplateOrTemplatePattern()); |
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|
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case TemplateArgument::Expression: |
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return IsStructurallyEquivalent(Context, |
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Arg1.getAsExpr(), Arg2.getAsExpr()); |
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|
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case TemplateArgument::Pack: |
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if (Arg1.pack_size() != Arg2.pack_size()) |
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return false; |
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|
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for (unsigned I = 0, N = Arg1.pack_size(); I != N; ++I) |
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if (!IsStructurallyEquivalent(Context, |
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Arg1.pack_begin()[I], |
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Arg2.pack_begin()[I])) |
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return false; |
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|
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return true; |
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} |
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|
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llvm_unreachable("Invalid template argument kind"); |
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} |
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/// \brief Determine structural equivalence for the common part of array |
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/// types. |
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static bool IsArrayStructurallyEquivalent(StructuralEquivalenceContext &Context, |
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const ArrayType *Array1, |
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const ArrayType *Array2) { |
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if (!IsStructurallyEquivalent(Context, |
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Array1->getElementType(), |
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Array2->getElementType())) |
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return false; |
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if (Array1->getSizeModifier() != Array2->getSizeModifier()) |
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return false; |
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if (Array1->getIndexTypeQualifiers() != Array2->getIndexTypeQualifiers()) |
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return false; |
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|
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return true; |
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} |
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|
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/// \brief Determine structural equivalence of two types. |
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static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context, |
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QualType T1, QualType T2) { |
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if (T1.isNull() || T2.isNull()) |
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return T1.isNull() && T2.isNull(); |
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|
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if (!Context.StrictTypeSpelling) { |
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// We aren't being strict about token-to-token equivalence of types, |
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// so map down to the canonical type. |
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T1 = Context.C1.getCanonicalType(T1); |
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T2 = Context.C2.getCanonicalType(T2); |
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} |
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|
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if (T1.getQualifiers() != T2.getQualifiers()) |
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return false; |
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Type::TypeClass TC = T1->getTypeClass(); |
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|
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if (T1->getTypeClass() != T2->getTypeClass()) { |
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// Compare function types with prototypes vs. without prototypes as if |
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// both did not have prototypes. |
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if (T1->getTypeClass() == Type::FunctionProto && |
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T2->getTypeClass() == Type::FunctionNoProto) |
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TC = Type::FunctionNoProto; |
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else if (T1->getTypeClass() == Type::FunctionNoProto && |
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T2->getTypeClass() == Type::FunctionProto) |
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TC = Type::FunctionNoProto; |
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else |
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return false; |
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} |
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|
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switch (TC) { |
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case Type::Builtin: |
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// FIXME: Deal with Char_S/Char_U. |
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if (cast<BuiltinType>(T1)->getKind() != cast<BuiltinType>(T2)->getKind()) |
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return false; |
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break; |
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|
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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::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)); |
|
} |
|
|
|
return TemplateParameterList::Create(Importer.getToContext(), |
|
Importer.Import(Params->getTemplateLoc()), |
|
Importer.Import(Params->getLAngleLoc()), |
|
ToParams, |
|
Importer.Import(Params->getRAngleLoc())); |
|
} |
|
|
|
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); |
|
}
|
|
|