forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			5125 lines
		
	
	
		
			188 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			5125 lines
		
	
	
		
			188 KiB
		
	
	
	
		
			C++
		
	
	
	
| //===--- ASTImporter.cpp - Importing ASTs from other Contexts ---*- C++ -*-===//
 | |
| //
 | |
| //                     The LLVM Compiler Infrastructure
 | |
| //
 | |
| // This file is distributed under the University of Illinois Open Source
 | |
| // License. See LICENSE.TXT for details.
 | |
| //
 | |
| //===----------------------------------------------------------------------===//
 | |
| //
 | |
| //  This file defines the ASTImporter class which imports AST nodes from one
 | |
| //  context into another context.
 | |
| //
 | |
| //===----------------------------------------------------------------------===//
 | |
| #include "clang/AST/ASTImporter.h"
 | |
| #include "clang/AST/ASTContext.h"
 | |
| #include "clang/AST/ASTDiagnostic.h"
 | |
| #include "clang/AST/DeclCXX.h"
 | |
| #include "clang/AST/DeclObjC.h"
 | |
| #include "clang/AST/DeclVisitor.h"
 | |
| #include "clang/AST/StmtVisitor.h"
 | |
| #include "clang/AST/TypeVisitor.h"
 | |
| #include "clang/Basic/FileManager.h"
 | |
| #include "clang/Basic/SourceManager.h"
 | |
| #include "llvm/Support/MemoryBuffer.h"
 | |
| #include <deque>
 | |
| 
 | |
| namespace clang {
 | |
|   class ASTNodeImporter : public TypeVisitor<ASTNodeImporter, QualType>,
 | |
|                           public DeclVisitor<ASTNodeImporter, Decl *>,
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|                           public StmtVisitor<ASTNodeImporter, Stmt *> {
 | |
|     ASTImporter &Importer;
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|     
 | |
|   public:
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|     explicit ASTNodeImporter(ASTImporter &Importer) : Importer(Importer) { }
 | |
|     
 | |
|     using TypeVisitor<ASTNodeImporter, QualType>::Visit;
 | |
|     using DeclVisitor<ASTNodeImporter, Decl *>::Visit;
 | |
|     using StmtVisitor<ASTNodeImporter, Stmt *>::Visit;
 | |
| 
 | |
|     // Importing types
 | |
|     QualType VisitType(const Type *T);
 | |
|     QualType VisitBuiltinType(const BuiltinType *T);
 | |
|     QualType VisitComplexType(const ComplexType *T);
 | |
|     QualType VisitPointerType(const PointerType *T);
 | |
|     QualType VisitBlockPointerType(const BlockPointerType *T);
 | |
|     QualType VisitLValueReferenceType(const LValueReferenceType *T);
 | |
|     QualType VisitRValueReferenceType(const RValueReferenceType *T);
 | |
|     QualType VisitMemberPointerType(const MemberPointerType *T);
 | |
|     QualType VisitConstantArrayType(const ConstantArrayType *T);
 | |
|     QualType VisitIncompleteArrayType(const IncompleteArrayType *T);
 | |
|     QualType VisitVariableArrayType(const VariableArrayType *T);
 | |
|     // FIXME: DependentSizedArrayType
 | |
|     // FIXME: DependentSizedExtVectorType
 | |
|     QualType VisitVectorType(const VectorType *T);
 | |
|     QualType VisitExtVectorType(const ExtVectorType *T);
 | |
|     QualType VisitFunctionNoProtoType(const FunctionNoProtoType *T);
 | |
|     QualType VisitFunctionProtoType(const FunctionProtoType *T);
 | |
|     // FIXME: UnresolvedUsingType
 | |
|     QualType VisitParenType(const ParenType *T);
 | |
|     QualType VisitTypedefType(const TypedefType *T);
 | |
|     QualType VisitTypeOfExprType(const TypeOfExprType *T);
 | |
|     // FIXME: DependentTypeOfExprType
 | |
|     QualType VisitTypeOfType(const TypeOfType *T);
 | |
|     QualType VisitDecltypeType(const DecltypeType *T);
 | |
|     QualType VisitUnaryTransformType(const UnaryTransformType *T);
 | |
|     QualType VisitAutoType(const AutoType *T);
 | |
|     // FIXME: DependentDecltypeType
 | |
|     QualType VisitRecordType(const RecordType *T);
 | |
|     QualType VisitEnumType(const EnumType *T);
 | |
|     // FIXME: TemplateTypeParmType
 | |
|     // FIXME: SubstTemplateTypeParmType
 | |
|     QualType VisitTemplateSpecializationType(const TemplateSpecializationType *T);
 | |
|     QualType VisitElaboratedType(const ElaboratedType *T);
 | |
|     // FIXME: DependentNameType
 | |
|     // FIXME: DependentTemplateSpecializationType
 | |
|     QualType VisitObjCInterfaceType(const ObjCInterfaceType *T);
 | |
|     QualType VisitObjCObjectType(const ObjCObjectType *T);
 | |
|     QualType VisitObjCObjectPointerType(const ObjCObjectPointerType *T);
 | |
|                             
 | |
|     // Importing declarations                            
 | |
|     bool ImportDeclParts(NamedDecl *D, DeclContext *&DC, 
 | |
|                          DeclContext *&LexicalDC, DeclarationName &Name, 
 | |
|                          SourceLocation &Loc);
 | |
|     void ImportDefinitionIfNeeded(Decl *FromD, Decl *ToD = 0);
 | |
|     void ImportDeclarationNameLoc(const DeclarationNameInfo &From,
 | |
|                                   DeclarationNameInfo& To);
 | |
|     void ImportDeclContext(DeclContext *FromDC, bool ForceImport = false);
 | |
|                         
 | |
|     /// \brief What we should import from the definition.
 | |
|     enum ImportDefinitionKind { 
 | |
|       /// \brief Import the default subset of the definition, which might be
 | |
|       /// nothing (if minimal import is set) or might be everything (if minimal
 | |
|       /// import is not set).
 | |
|       IDK_Default,
 | |
|       /// \brief Import everything.
 | |
|       IDK_Everything,
 | |
|       /// \brief Import only the bare bones needed to establish a valid
 | |
|       /// DeclContext.
 | |
|       IDK_Basic
 | |
|     };
 | |
| 
 | |
|     bool shouldForceImportDeclContext(ImportDefinitionKind IDK) {
 | |
|       return IDK == IDK_Everything ||
 | |
|              (IDK == IDK_Default && !Importer.isMinimalImport());
 | |
|     }
 | |
| 
 | |
|     bool ImportDefinition(RecordDecl *From, RecordDecl *To, 
 | |
|                           ImportDefinitionKind Kind = IDK_Default);
 | |
|     bool ImportDefinition(VarDecl *From, VarDecl *To,
 | |
|                           ImportDefinitionKind Kind = IDK_Default);
 | |
|     bool ImportDefinition(EnumDecl *From, EnumDecl *To,
 | |
|                           ImportDefinitionKind Kind = IDK_Default);
 | |
|     bool ImportDefinition(ObjCInterfaceDecl *From, ObjCInterfaceDecl *To,
 | |
|                           ImportDefinitionKind Kind = IDK_Default);
 | |
|     bool ImportDefinition(ObjCProtocolDecl *From, ObjCProtocolDecl *To,
 | |
|                           ImportDefinitionKind Kind = IDK_Default);
 | |
|     TemplateParameterList *ImportTemplateParameterList(
 | |
|                                                  TemplateParameterList *Params);
 | |
|     TemplateArgument ImportTemplateArgument(const TemplateArgument &From);
 | |
|     bool ImportTemplateArguments(const TemplateArgument *FromArgs,
 | |
|                                  unsigned NumFromArgs,
 | |
|                                SmallVectorImpl<TemplateArgument> &ToArgs);
 | |
|     bool IsStructuralMatch(RecordDecl *FromRecord, RecordDecl *ToRecord,
 | |
|                            bool Complain = true);
 | |
|     bool IsStructuralMatch(VarDecl *FromVar, VarDecl *ToVar,
 | |
|                            bool Complain = true);
 | |
|     bool IsStructuralMatch(EnumDecl *FromEnum, EnumDecl *ToRecord);
 | |
|     bool IsStructuralMatch(EnumConstantDecl *FromEC, EnumConstantDecl *ToEC);
 | |
|     bool IsStructuralMatch(ClassTemplateDecl *From, ClassTemplateDecl *To);
 | |
|     bool IsStructuralMatch(VarTemplateDecl *From, VarTemplateDecl *To);
 | |
|     Decl *VisitDecl(Decl *D);
 | |
|     Decl *VisitTranslationUnitDecl(TranslationUnitDecl *D);
 | |
|     Decl *VisitNamespaceDecl(NamespaceDecl *D);
 | |
|     Decl *VisitTypedefNameDecl(TypedefNameDecl *D, bool IsAlias);
 | |
|     Decl *VisitTypedefDecl(TypedefDecl *D);
 | |
|     Decl *VisitTypeAliasDecl(TypeAliasDecl *D);
 | |
|     Decl *VisitEnumDecl(EnumDecl *D);
 | |
|     Decl *VisitRecordDecl(RecordDecl *D);
 | |
|     Decl *VisitEnumConstantDecl(EnumConstantDecl *D);
 | |
|     Decl *VisitFunctionDecl(FunctionDecl *D);
 | |
|     Decl *VisitCXXMethodDecl(CXXMethodDecl *D);
 | |
|     Decl *VisitCXXConstructorDecl(CXXConstructorDecl *D);
 | |
|     Decl *VisitCXXDestructorDecl(CXXDestructorDecl *D);
 | |
|     Decl *VisitCXXConversionDecl(CXXConversionDecl *D);
 | |
|     Decl *VisitFieldDecl(FieldDecl *D);
 | |
|     Decl *VisitIndirectFieldDecl(IndirectFieldDecl *D);
 | |
|     Decl *VisitObjCIvarDecl(ObjCIvarDecl *D);
 | |
|     Decl *VisitVarDecl(VarDecl *D);
 | |
|     Decl *VisitImplicitParamDecl(ImplicitParamDecl *D);
 | |
|     Decl *VisitParmVarDecl(ParmVarDecl *D);
 | |
|     Decl *VisitObjCMethodDecl(ObjCMethodDecl *D);
 | |
|     Decl *VisitObjCCategoryDecl(ObjCCategoryDecl *D);
 | |
|     Decl *VisitObjCProtocolDecl(ObjCProtocolDecl *D);
 | |
|     Decl *VisitObjCInterfaceDecl(ObjCInterfaceDecl *D);
 | |
|     Decl *VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D);
 | |
|     Decl *VisitObjCImplementationDecl(ObjCImplementationDecl *D);
 | |
|     Decl *VisitObjCPropertyDecl(ObjCPropertyDecl *D);
 | |
|     Decl *VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D);
 | |
|     Decl *VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D);
 | |
|     Decl *VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D);
 | |
|     Decl *VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D);
 | |
|     Decl *VisitClassTemplateDecl(ClassTemplateDecl *D);
 | |
|     Decl *VisitClassTemplateSpecializationDecl(
 | |
|                                             ClassTemplateSpecializationDecl *D);
 | |
|     Decl *VisitVarTemplateDecl(VarTemplateDecl *D);
 | |
|     Decl *VisitVarTemplateSpecializationDecl(VarTemplateSpecializationDecl *D);
 | |
| 
 | |
|     // Importing statements
 | |
|     Stmt *VisitStmt(Stmt *S);
 | |
| 
 | |
|     // Importing expressions
 | |
|     Expr *VisitExpr(Expr *E);
 | |
|     Expr *VisitDeclRefExpr(DeclRefExpr *E);
 | |
|     Expr *VisitIntegerLiteral(IntegerLiteral *E);
 | |
|     Expr *VisitCharacterLiteral(CharacterLiteral *E);
 | |
|     Expr *VisitParenExpr(ParenExpr *E);
 | |
|     Expr *VisitUnaryOperator(UnaryOperator *E);
 | |
|     Expr *VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr *E);
 | |
|     Expr *VisitBinaryOperator(BinaryOperator *E);
 | |
|     Expr *VisitCompoundAssignOperator(CompoundAssignOperator *E);
 | |
|     Expr *VisitImplicitCastExpr(ImplicitCastExpr *E);
 | |
|     Expr *VisitCStyleCastExpr(CStyleCastExpr *E);
 | |
|   };
 | |
| }
 | |
| using namespace clang;
 | |
| 
 | |
| //----------------------------------------------------------------------------
 | |
| // Structural Equivalence
 | |
| //----------------------------------------------------------------------------
 | |
| 
 | |
| namespace {
 | |
|   struct StructuralEquivalenceContext {
 | |
|     /// \brief AST contexts for which we are checking structural equivalence.
 | |
|     ASTContext &C1, &C2;
 | |
|     
 | |
|     /// \brief The set of "tentative" equivalences between two canonical 
 | |
|     /// declarations, mapping from a declaration in the first context to the
 | |
|     /// declaration in the second context that we believe to be equivalent.
 | |
|     llvm::DenseMap<Decl *, Decl *> TentativeEquivalences;
 | |
|     
 | |
|     /// \brief Queue of declarations in the first context whose equivalence
 | |
|     /// with a declaration in the second context still needs to be verified.
 | |
|     std::deque<Decl *> DeclsToCheck;
 | |
|     
 | |
|     /// \brief Declaration (from, to) pairs that are known not to be equivalent
 | |
|     /// (which we have already complained about).
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|     llvm::DenseSet<std::pair<Decl *, Decl *> > &NonEquivalentDecls;
 | |
|     
 | |
|     /// \brief Whether we're being strict about the spelling of types when 
 | |
|     /// unifying two types.
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|     bool StrictTypeSpelling;
 | |
| 
 | |
|     /// \brief Whether to complain about failures.
 | |
|     bool Complain;
 | |
| 
 | |
|     /// \brief \c true if the last diagnostic came from C2.
 | |
|     bool LastDiagFromC2;
 | |
| 
 | |
|     StructuralEquivalenceContext(ASTContext &C1, ASTContext &C2,
 | |
|                llvm::DenseSet<std::pair<Decl *, Decl *> > &NonEquivalentDecls,
 | |
|                                  bool StrictTypeSpelling = false,
 | |
|                                  bool Complain = true)
 | |
|       : C1(C1), C2(C2), NonEquivalentDecls(NonEquivalentDecls),
 | |
|         StrictTypeSpelling(StrictTypeSpelling), Complain(Complain),
 | |
|         LastDiagFromC2(false) {}
 | |
| 
 | |
|     /// \brief Determine whether the two declarations are structurally
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|     /// equivalent.
 | |
|     bool IsStructurallyEquivalent(Decl *D1, Decl *D2);
 | |
|     
 | |
|     /// \brief Determine whether the two types are structurally equivalent.
 | |
|     bool IsStructurallyEquivalent(QualType T1, QualType T2);
 | |
| 
 | |
|   private:
 | |
|     /// \brief Finish checking all of the structural equivalences.
 | |
|     ///
 | |
|     /// \returns true if an error occurred, false otherwise.
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|     bool Finish();
 | |
|     
 | |
|   public:
 | |
|     DiagnosticBuilder Diag1(SourceLocation Loc, unsigned DiagID) {
 | |
|       assert(Complain && "Not allowed to complain");
 | |
|       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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| 
 | |
|     DiagnosticBuilder Diag2(SourceLocation Loc, unsigned DiagID) {
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|       assert(Complain && "Not allowed to complain");
 | |
|       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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|   };
 | |
| }
 | |
| 
 | |
| static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context,
 | |
|                                      QualType T1, QualType T2);
 | |
| static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context,
 | |
|                                      Decl *D1, Decl *D2);
 | |
| 
 | |
| /// \brief Determine structural equivalence of two expressions.
 | |
| static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context,
 | |
|                                      Expr *E1, Expr *E2) {
 | |
|   if (!E1 || !E2)
 | |
|     return E1 == E2;
 | |
|   
 | |
|   // FIXME: Actually perform a structural comparison!
 | |
|   return true;
 | |
| }
 | |
| 
 | |
| /// \brief Determine whether two identifiers are equivalent.
 | |
| static bool IsStructurallyEquivalent(const IdentifierInfo *Name1,
 | |
|                                      const IdentifierInfo *Name2) {
 | |
|   if (!Name1 || !Name2)
 | |
|     return Name1 == Name2;
 | |
|   
 | |
|   return Name1->getName() == Name2->getName();
 | |
| }
 | |
| 
 | |
| /// \brief Determine whether two nested-name-specifiers are equivalent.
 | |
| static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context,
 | |
|                                      NestedNameSpecifier *NNS1,
 | |
|                                      NestedNameSpecifier *NNS2) {
 | |
|   // FIXME: Implement!
 | |
|   return true;
 | |
| }
 | |
| 
 | |
| /// \brief Determine whether two template arguments are equivalent.
 | |
| static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context,
 | |
|                                      const TemplateArgument &Arg1,
 | |
|                                      const TemplateArgument &Arg2) {
 | |
|   if (Arg1.getKind() != Arg2.getKind())
 | |
|     return false;
 | |
| 
 | |
|   switch (Arg1.getKind()) {
 | |
|   case TemplateArgument::Null:
 | |
|     return true;
 | |
|       
 | |
|   case TemplateArgument::Type:
 | |
|     return Context.IsStructurallyEquivalent(Arg1.getAsType(), Arg2.getAsType());
 | |
| 
 | |
|   case TemplateArgument::Integral:
 | |
|     if (!Context.IsStructurallyEquivalent(Arg1.getIntegralType(), 
 | |
|                                           Arg2.getIntegralType()))
 | |
|       return false;
 | |
|     
 | |
|     return llvm::APSInt::isSameValue(Arg1.getAsIntegral(), Arg2.getAsIntegral());
 | |
|       
 | |
|   case TemplateArgument::Declaration:
 | |
|     return Context.IsStructurallyEquivalent(Arg1.getAsDecl(), Arg2.getAsDecl());
 | |
| 
 | |
|   case TemplateArgument::NullPtr:
 | |
|     return true; // FIXME: Is this correct?
 | |
| 
 | |
|   case TemplateArgument::Template:
 | |
|     return IsStructurallyEquivalent(Context, 
 | |
|                                     Arg1.getAsTemplate(), 
 | |
|                                     Arg2.getAsTemplate());
 | |
| 
 | |
|   case TemplateArgument::TemplateExpansion:
 | |
|     return IsStructurallyEquivalent(Context, 
 | |
|                                     Arg1.getAsTemplateOrTemplatePattern(), 
 | |
|                                     Arg2.getAsTemplateOrTemplatePattern());
 | |
| 
 | |
|   case TemplateArgument::Expression:
 | |
|     return IsStructurallyEquivalent(Context, 
 | |
|                                     Arg1.getAsExpr(), Arg2.getAsExpr());
 | |
|       
 | |
|   case TemplateArgument::Pack:
 | |
|     if (Arg1.pack_size() != Arg2.pack_size())
 | |
|       return false;
 | |
|       
 | |
|     for (unsigned I = 0, N = Arg1.pack_size(); I != N; ++I)
 | |
|       if (!IsStructurallyEquivalent(Context, 
 | |
|                                     Arg1.pack_begin()[I],
 | |
|                                     Arg2.pack_begin()[I]))
 | |
|         return false;
 | |
|       
 | |
|     return true;
 | |
|   }
 | |
|   
 | |
|   llvm_unreachable("Invalid template argument kind");
 | |
| }
 | |
| 
 | |
| /// \brief Determine structural equivalence for the common part of array 
 | |
| /// types.
 | |
| static bool IsArrayStructurallyEquivalent(StructuralEquivalenceContext &Context,
 | |
|                                           const ArrayType *Array1, 
 | |
|                                           const ArrayType *Array2) {
 | |
|   if (!IsStructurallyEquivalent(Context, 
 | |
|                                 Array1->getElementType(), 
 | |
|                                 Array2->getElementType()))
 | |
|     return false;
 | |
|   if (Array1->getSizeModifier() != Array2->getSizeModifier())
 | |
|     return false;
 | |
|   if (Array1->getIndexTypeQualifiers() != Array2->getIndexTypeQualifiers())
 | |
|     return false;
 | |
|   
 | |
|   return true;
 | |
| }
 | |
| 
 | |
| /// \brief Determine structural equivalence of two types.
 | |
| static bool IsStructurallyEquivalent(StructuralEquivalenceContext &Context,
 | |
|                                      QualType T1, QualType T2) {
 | |
|   if (T1.isNull() || T2.isNull())
 | |
|     return T1.isNull() && T2.isNull();
 | |
|   
 | |
|   if (!Context.StrictTypeSpelling) {
 | |
|     // We aren't being strict about token-to-token equivalence of types,
 | |
|     // so map down to the canonical type.
 | |
|     T1 = Context.C1.getCanonicalType(T1);
 | |
|     T2 = Context.C2.getCanonicalType(T2);
 | |
|   }
 | |
|   
 | |
|   if (T1.getQualifiers() != T2.getQualifiers())
 | |
|     return false;
 | |
|   
 | |
|   Type::TypeClass TC = T1->getTypeClass();
 | |
|   
 | |
|   if (T1->getTypeClass() != T2->getTypeClass()) {
 | |
|     // Compare function types with prototypes vs. without prototypes as if
 | |
|     // both did not have prototypes.
 | |
|     if (T1->getTypeClass() == Type::FunctionProto &&
 | |
|         T2->getTypeClass() == Type::FunctionNoProto)
 | |
|       TC = Type::FunctionNoProto;
 | |
|     else if (T1->getTypeClass() == Type::FunctionNoProto &&
 | |
|              T2->getTypeClass() == Type::FunctionProto)
 | |
|       TC = Type::FunctionNoProto;
 | |
|     else
 | |
|       return false;
 | |
|   }
 | |
|   
 | |
|   switch (TC) {
 | |
|   case Type::Builtin:
 | |
|     // FIXME: Deal with Char_S/Char_U. 
 | |
|     if (cast<BuiltinType>(T1)->getKind() != cast<BuiltinType>(T2)->getKind())
 | |
|       return false;
 | |
|     break;
 | |
|   
 | |
|   case Type::Complex:
 | |
|     if (!IsStructurallyEquivalent(Context,
 | |
|                                   cast<ComplexType>(T1)->getElementType(),
 | |
|                                   cast<ComplexType>(T2)->getElementType()))
 | |
|       return false;
 | |
|     break;
 | |
|   
 | |
|   case Type::Decayed:
 | |
|     if (!IsStructurallyEquivalent(Context,
 | |
|                                   cast<DecayedType>(T1)->getPointeeType(),
 | |
|                                   cast<DecayedType>(T2)->getPointeeType()))
 | |
|       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->getNumArgs() != Proto2->getNumArgs())
 | |
|       return false;
 | |
|     for (unsigned I = 0, N = Proto1->getNumArgs(); I != N; ++I) {
 | |
|       if (!IsStructurallyEquivalent(Context, 
 | |
|                                     Proto1->getArgType(I),
 | |
|                                     Proto2->getArgType(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->getResultType(),
 | |
|                                   Function2->getResultType()))
 | |
|       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;
 | |
|   }
 | |
| 
 | |
|   } // 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> findAnonymousStructOrUnionIndex(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 (DeclContext::decl_iterator D = Owner->noload_decls_begin(),
 | |
|                                DEnd = Owner->noload_decls_end();
 | |
|        D != DEnd; ++D) {
 | |
|     FieldDecl *F = dyn_cast<FieldDecl>(*D);
 | |
|     if (!F || !F->isAnonymousStructOrUnion())
 | |
|       continue;
 | |
| 
 | |
|     if (Context.hasSameType(F->getType(), AnonTy))
 | |
|       break;
 | |
| 
 | |
|     ++Index;
 | |
|   }
 | |
| 
 | |
|   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 = findAnonymousStructOrUnionIndex(D1)) {
 | |
|       if (Optional<unsigned> Index2 = findAnonymousStructOrUnionIndex(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 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->getResultType());
 | |
|   if (ToResultType.isNull())
 | |
|     return QualType();
 | |
| 
 | |
|   return Importer.getToContext().getFunctionNoProtoType(ToResultType,
 | |
|                                                         T->getExtInfo());
 | |
| }
 | |
| 
 | |
| QualType ASTNodeImporter::VisitFunctionProtoType(const FunctionProtoType *T) {
 | |
|   QualType ToResultType = Importer.Import(T->getResultType());
 | |
|   if (ToResultType.isNull())
 | |
|     return QualType();
 | |
|   
 | |
|   // Import argument types
 | |
|   SmallVector<QualType, 4> ArgTypes;
 | |
|   for (FunctionProtoType::arg_type_iterator A = T->arg_type_begin(),
 | |
|                                          AEnd = T->arg_type_end();
 | |
|        A != AEnd; ++A) {
 | |
|     QualType ArgType = Importer.Import(*A);
 | |
|     if (ArgType.isNull())
 | |
|       return QualType();
 | |
|     ArgTypes.push_back(ArgType);
 | |
|   }
 | |
|   
 | |
|   // Import exception types
 | |
|   SmallVector<QualType, 4> ExceptionTypes;
 | |
|   for (FunctionProtoType::exception_iterator E = T->exception_begin(),
 | |
|                                           EEnd = T->exception_end();
 | |
|        E != EEnd; ++E) {
 | |
|     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.NumExceptions = ExceptionTypes.size();
 | |
|   ToEPI.Exceptions = ExceptionTypes.data();
 | |
|   ToEPI.ConsumedArguments = FromEPI.ConsumedArguments;
 | |
|   ToEPI.ExceptionSpecType = FromEPI.ExceptionSpecType;
 | |
|   ToEPI.NoexceptExpr = Importer.Import(FromEPI.NoexceptExpr);
 | |
|   ToEPI.ExceptionSpecDecl = cast_or_null<FunctionDecl>(
 | |
|                                 Importer.Import(FromEPI.ExceptionSpecDecl));
 | |
|   ToEPI.ExceptionSpecTemplate = cast_or_null<FunctionDecl>(
 | |
|                                 Importer.Import(FromEPI.ExceptionSpecTemplate));
 | |
| 
 | |
|   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->isDecltypeAuto());
 | |
| }
 | |
| 
 | |
| 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::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.data(), 
 | |
|                                                          ToTemplateArgs.size(),
 | |
|                                                                ToCanonType);
 | |
| }
 | |
| 
 | |
| QualType ASTNodeImporter::VisitElaboratedType(const ElaboratedType *T) {
 | |
|   NestedNameSpecifier *ToQualifier = 0;
 | |
|   // 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<ObjCProtocolDecl *, 4> Protocols;
 | |
|   for (ObjCObjectType::qual_iterator P = T->qual_begin(), 
 | |
|                                      PEnd = T->qual_end();
 | |
|        P != PEnd; ++P) {
 | |
|     ObjCProtocolDecl *Protocol
 | |
|       = dyn_cast_or_null<ObjCProtocolDecl>(Importer.Import(*P));
 | |
|     if (!Protocol)
 | |
|       return QualType();
 | |
|     Protocols.push_back(Protocol);
 | |
|   }
 | |
| 
 | |
|   return Importer.getToContext().getObjCObjectType(ToBaseType,
 | |
|                                                    Protocols.data(),
 | |
|                                                    Protocols.size());
 | |
| }
 | |
| 
 | |
| 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, 
 | |
|                                       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());
 | |
|   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 (DeclContext::decl_iterator From = FromDC->decls_begin(),
 | |
|                                FromEnd = FromDC->decls_end();
 | |
|        From != FromEnd;
 | |
|        ++From)
 | |
|     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.HasOnlyCMembers = FromData.HasOnlyCMembers;
 | |
|     ToData.HasInClassInitializer = FromData.HasInClassInitializer;
 | |
|     ToData.HasUninitializedReferenceMember
 | |
|       = FromData.HasUninitializedReferenceMember;
 | |
|     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.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.FailedImplicitMoveConstructor
 | |
|       = FromData.FailedImplicitMoveConstructor;
 | |
|     ToData.FailedImplicitMoveAssignment = FromData.FailedImplicitMoveAssignment;
 | |
|     ToData.IsLambda = FromData.IsLambda;
 | |
| 
 | |
|     SmallVector<CXXBaseSpecifier *, 4> Bases;
 | |
|     for (CXXRecordDecl::base_class_iterator 
 | |
|                   Base1 = FromCXX->bases_begin(),
 | |
|             FromBaseEnd = FromCXX->bases_end();
 | |
|          Base1 != FromBaseEnd;
 | |
|          ++Base1) {
 | |
|       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->getDefinition())
 | |
|     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 0;
 | |
|     
 | |
|     ToParams.push_back(cast<NamedDecl>(To));
 | |
|   }
 | |
|   
 | |
|   return TemplateParameterList::Create(Importer.getToContext(),
 | |
|                                        Importer.Import(Params->getTemplateLoc()),
 | |
|                                        Importer.Import(Params->getLAngleLoc()),
 | |
|                                        ToParams.data(), ToParams.size(),
 | |
|                                        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 *FromD = From.getAsDecl();
 | |
|     if (ValueDecl *To = cast_or_null<ValueDecl>(Importer.Import(FromD)))
 | |
|       return TemplateArgument(To, From.isDeclForReferenceParam());
 | |
|     return TemplateArgument();
 | |
|   }
 | |
| 
 | |
|   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();
 | |
|     
 | |
|     TemplateArgument *ToArgs 
 | |
|       = new (Importer.getToContext()) TemplateArgument[ToPack.size()];
 | |
|     std::copy(ToPack.begin(), ToPack.end(), ToArgs);
 | |
|     return TemplateArgument(ToArgs, ToPack.size());
 | |
|   }
 | |
|   }
 | |
|   
 | |
|   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) {
 | |
|   StructuralEquivalenceContext Ctx(Importer.getFromContext(),
 | |
|                                    Importer.getToContext(),
 | |
|                                    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 0;
 | |
| }
 | |
| 
 | |
| Decl *ASTNodeImporter::VisitTranslationUnitDecl(TranslationUnitDecl *D) {
 | |
|   TranslationUnitDecl *ToD = 
 | |
|     Importer.getToContext().getTranslationUnitDecl();
 | |
|     
 | |
|   Importer.Imported(D, ToD);
 | |
|     
 | |
|   return ToD;
 | |
| }
 | |
| 
 | |
| Decl *ASTNodeImporter::VisitNamespaceDecl(NamespaceDecl *D) {
 | |
|   // Import the major distinguishing characteristics of this namespace.
 | |
|   DeclContext *DC, *LexicalDC;
 | |
|   DeclarationName Name;
 | |
|   SourceLocation Loc;
 | |
|   if (ImportDeclParts(D, DC, LexicalDC, Name, Loc))
 | |
|     return 0;
 | |
|   
 | |
|   NamespaceDecl *MergeWithNamespace = 0;
 | |
|   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->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=*/0);
 | |
|     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;
 | |
|   if (ImportDeclParts(D, DC, LexicalDC, Name, Loc))
 | |
|     return 0;
 | |
|   
 | |
|   // 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->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 0;
 | |
|     }
 | |
|   }
 | |
|   
 | |
|   // Import the underlying type of this typedef;
 | |
|   QualType T = Importer.Import(D->getUnderlyingType());
 | |
|   if (T.isNull())
 | |
|     return 0;
 | |
|   
 | |
|   // 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::VisitEnumDecl(EnumDecl *D) {
 | |
|   // Import the major distinguishing characteristics of this enum.
 | |
|   DeclContext *DC, *LexicalDC;
 | |
|   DeclarationName Name;
 | |
|   SourceLocation Loc;
 | |
|   if (ImportDeclParts(D, DC, LexicalDC, Name, Loc))
 | |
|     return 0;
 | |
|   
 | |
|   // 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->localUncachedLookup(SearchName, 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(), 0,
 | |
|                                   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 0;
 | |
|   D2->setIntegerType(ToIntegerType);
 | |
|   
 | |
|   // Import the definition
 | |
|   if (D->isCompleteDefinition() && ImportDefinition(D, D2))
 | |
|     return 0;
 | |
| 
 | |
|   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 0;
 | |
|     
 | |
|     return Importer.Imported(D, ImportedDef);
 | |
|   }
 | |
|   
 | |
|   // Import the major distinguishing characteristics of this record.
 | |
|   DeclContext *DC, *LexicalDC;
 | |
|   DeclarationName Name;
 | |
|   SourceLocation Loc;
 | |
|   if (ImportDeclParts(D, DC, LexicalDC, Name, Loc))
 | |
|     return 0;
 | |
|       
 | |
|   // 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 = 0;
 | |
|   if (!DC->isFunctionOrMethod()) {
 | |
|     SmallVector<NamedDecl *, 4> ConflictingDecls;
 | |
|     SmallVector<NamedDecl *, 2> FoundDecls;
 | |
|     DC->localUncachedLookup(SearchName, 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
 | |
|               = findAnonymousStructOrUnionIndex(D)) {
 | |
|             if (Optional<unsigned> Index2 =
 | |
|                     findAnonymousStructOrUnionIndex(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.
 | |
|           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) {
 | |
|     if (isa<CXXRecordDecl>(D)) {
 | |
|       CXXRecordDecl *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 0;
 | |
|   
 | |
|   return D2;
 | |
| }
 | |
| 
 | |
| Decl *ASTNodeImporter::VisitEnumConstantDecl(EnumConstantDecl *D) {
 | |
|   // Import the major distinguishing characteristics of this enumerator.
 | |
|   DeclContext *DC, *LexicalDC;
 | |
|   DeclarationName Name;
 | |
|   SourceLocation Loc;
 | |
|   if (ImportDeclParts(D, DC, LexicalDC, Name, Loc))
 | |
|     return 0;
 | |
| 
 | |
|   QualType T = Importer.Import(D->getType());
 | |
|   if (T.isNull())
 | |
|     return 0;
 | |
| 
 | |
|   // 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->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 0;
 | |
|     }
 | |
|   }
 | |
|   
 | |
|   Expr *Init = Importer.Import(D->getInitExpr());
 | |
|   if (D->getInitExpr() && !Init)
 | |
|     return 0;
 | |
|   
 | |
|   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;
 | |
|   if (ImportDeclParts(D, DC, LexicalDC, Name, Loc))
 | |
|     return 0;
 | |
| 
 | |
|   // 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->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 0;
 | |
|     }    
 | |
|   }
 | |
| 
 | |
|   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.ExceptionSpecDecl || FromEPI.ExceptionSpecTemplate ||
 | |
|         FromEPI.NoexceptExpr) {
 | |
|       FunctionProtoType::ExtProtoInfo DefaultEPI;
 | |
|       FromTy = Importer.getFromContext().getFunctionType(
 | |
|           FromFPT->getResultType(), FromFPT->getArgTypes(), DefaultEPI);
 | |
|       usedDifferentExceptionSpec = true;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   // Import the type.
 | |
|   QualType T = Importer.Import(FromTy);
 | |
|   if (T.isNull())
 | |
|     return 0;
 | |
|   
 | |
|   // Import the function parameters.
 | |
|   SmallVector<ParmVarDecl *, 8> Parameters;
 | |
|   for (FunctionDecl::param_iterator P = D->param_begin(), PEnd = D->param_end();
 | |
|        P != PEnd; ++P) {
 | |
|     ParmVarDecl *ToP = cast_or_null<ParmVarDecl>(Importer.Import(*P));
 | |
|     if (!ToP)
 | |
|       return 0;
 | |
|     
 | |
|     Parameters.push_back(ToP);
 | |
|   }
 | |
|   
 | |
|   // Create the imported function.
 | |
|   TypeSourceInfo *TInfo = Importer.Import(D->getTypeSourceInfo());
 | |
|   FunctionDecl *ToFunction = 0;
 | |
|   if (CXXConstructorDecl *FromConstructor = dyn_cast<CXXConstructorDecl>(D)) {
 | |
|     ToFunction = CXXConstructorDecl::Create(Importer.getToContext(),
 | |
|                                             cast<CXXRecordDecl>(DC),
 | |
|                                             D->getInnerLocStart(),
 | |
|                                             NameInfo, T, TInfo, 
 | |
|                                             FromConstructor->isExplicit(),
 | |
|                                             D->isInlineSpecified(), 
 | |
|                                             D->isImplicit(),
 | |
|                                             D->isConstexpr());
 | |
|   } else if (isa<CXXDestructorDecl>(D)) {
 | |
|     ToFunction = CXXDestructorDecl::Create(Importer.getToContext(),
 | |
|                                            cast<CXXRecordDecl>(DC),
 | |
|                                            D->getInnerLocStart(),
 | |
|                                            NameInfo, T, TInfo,
 | |
|                                            D->isInlineSpecified(),
 | |
|                                            D->isImplicit());
 | |
|   } else if (CXXConversionDecl *FromConversion
 | |
|                                            = dyn_cast<CXXConversionDecl>(D)) {
 | |
|     ToFunction = CXXConversionDecl::Create(Importer.getToContext(), 
 | |
|                                            cast<CXXRecordDecl>(DC),
 | |
|                                            D->getInnerLocStart(),
 | |
|                                            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),
 | |
|                                        D->getInnerLocStart(),
 | |
|                                        NameInfo, T, TInfo,
 | |
|                                        Method->getStorageClass(),
 | |
|                                        Method->isInlineSpecified(),
 | |
|                                        D->isConstexpr(),
 | |
|                                        Importer.Import(D->getLocEnd()));
 | |
|   } else {
 | |
|     ToFunction = FunctionDecl::Create(Importer.getToContext(), DC,
 | |
|                                       D->getInnerLocStart(),
 | |
|                                       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 0;
 | |
|     ToFunction->setType(T);
 | |
|   }
 | |
| 
 | |
|   // 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 (DeclContext::decl_iterator D = Owner->noload_decls_begin(),
 | |
|                                DEnd = Owner->noload_decls_end();
 | |
|        D != DEnd; ++D) {
 | |
|     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;
 | |
|   if (ImportDeclParts(D, DC, LexicalDC, Name, Loc))
 | |
|     return 0;
 | |
|   
 | |
|   // Determine whether we've already imported this field. 
 | |
|   SmallVector<NamedDecl *, 2> FoundDecls;
 | |
|   DC->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 0;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   // Import the type.
 | |
|   QualType T = Importer.Import(D->getType());
 | |
|   if (T.isNull())
 | |
|     return 0;
 | |
|   
 | |
|   TypeSourceInfo *TInfo = Importer.Import(D->getTypeSourceInfo());
 | |
|   Expr *BitWidth = Importer.Import(D->getBitWidth());
 | |
|   if (!BitWidth && D->getBitWidth())
 | |
|     return 0;
 | |
|   
 | |
|   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 (ToField->hasInClassInitializer())
 | |
|     ToField->setInClassInitializer(D->getInClassInitializer());
 | |
|   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;
 | |
|   if (ImportDeclParts(D, DC, LexicalDC, Name, Loc))
 | |
|     return 0;
 | |
| 
 | |
|   // Determine whether we've already imported this field. 
 | |
|   SmallVector<NamedDecl *, 2> FoundDecls;
 | |
|   DC->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 0;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   // Import the type.
 | |
|   QualType T = Importer.Import(D->getType());
 | |
|   if (T.isNull())
 | |
|     return 0;
 | |
| 
 | |
|   NamedDecl **NamedChain =
 | |
|     new (Importer.getToContext())NamedDecl*[D->getChainingSize()];
 | |
| 
 | |
|   unsigned i = 0;
 | |
|   for (IndirectFieldDecl::chain_iterator PI = D->chain_begin(),
 | |
|        PE = D->chain_end(); PI != PE; ++PI) {
 | |
|     Decl* D = Importer.Import(*PI);
 | |
|     if (!D)
 | |
|       return 0;
 | |
|     NamedChain[i++] = cast<NamedDecl>(D);
 | |
|   }
 | |
| 
 | |
|   IndirectFieldDecl *ToIndirectField = IndirectFieldDecl::Create(
 | |
|                                          Importer.getToContext(), DC,
 | |
|                                          Loc, Name.getAsIdentifierInfo(), T,
 | |
|                                          NamedChain, D->getChainingSize());
 | |
|   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;
 | |
|   if (ImportDeclParts(D, DC, LexicalDC, Name, Loc))
 | |
|     return 0;
 | |
|   
 | |
|   // Determine whether we've already imported this ivar 
 | |
|   SmallVector<NamedDecl *, 2> FoundDecls;
 | |
|   DC->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 0;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   // Import the type.
 | |
|   QualType T = Importer.Import(D->getType());
 | |
|   if (T.isNull())
 | |
|     return 0;
 | |
|   
 | |
|   TypeSourceInfo *TInfo = Importer.Import(D->getTypeSourceInfo());
 | |
|   Expr *BitWidth = Importer.Import(D->getBitWidth());
 | |
|   if (!BitWidth && D->getBitWidth())
 | |
|     return 0;
 | |
|   
 | |
|   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;
 | |
|   if (ImportDeclParts(D, DC, LexicalDC, Name, Loc))
 | |
|     return 0;
 | |
|   
 | |
|   // 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 = 0;
 | |
|     SmallVector<NamedDecl *, 4> ConflictingDecls;
 | |
|     unsigned IDNS = Decl::IDNS_Ordinary;
 | |
|     SmallVector<NamedDecl *, 2> FoundDecls;
 | |
|     DC->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 0;
 | |
|               
 | |
|               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 0;
 | |
|     }
 | |
|   }
 | |
|     
 | |
|   // Import the type.
 | |
|   QualType T = Importer.Import(D->getType());
 | |
|   if (T.isNull())
 | |
|     return 0;
 | |
|   
 | |
|   // 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);
 | |
| 
 | |
|   // Merge the initializer.
 | |
|   if (ImportDefinition(D, ToVar))
 | |
|     return 0;
 | |
| 
 | |
|   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 0;
 | |
|   
 | |
|   // 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 0;
 | |
|   
 | |
|   // 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 0;
 | |
|   
 | |
|   // 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 0;
 | |
|   
 | |
|   // 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*/ 0);
 | |
|   ToParm->setHasInheritedDefaultArg(D->hasInheritedDefaultArg());
 | |
|   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;
 | |
|   if (ImportDeclParts(D, DC, LexicalDC, Name, Loc))
 | |
|     return 0;
 | |
|   
 | |
|   SmallVector<NamedDecl *, 2> FoundDecls;
 | |
|   DC->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->getResultType(),
 | |
|                                              FoundMethod->getResultType())) {
 | |
|         Importer.ToDiag(Loc, diag::err_odr_objc_method_result_type_inconsistent)
 | |
|           << D->isInstanceMethod() << Name
 | |
|           << D->getResultType() << FoundMethod->getResultType();
 | |
|         Importer.ToDiag(FoundMethod->getLocation(), 
 | |
|                         diag::note_odr_objc_method_here)
 | |
|           << D->isInstanceMethod() << Name;
 | |
|         return 0;
 | |
|       }
 | |
| 
 | |
|       // 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 0;
 | |
|       }
 | |
| 
 | |
|       // 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 0;
 | |
|         }
 | |
|       }
 | |
| 
 | |
|       // 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 0;
 | |
|       }
 | |
| 
 | |
|       // FIXME: Any other bits we need to merge?
 | |
|       return Importer.Imported(D, FoundMethod);
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   // Import the result type.
 | |
|   QualType ResultTy = Importer.Import(D->getResultType());
 | |
|   if (ResultTy.isNull())
 | |
|     return 0;
 | |
| 
 | |
|   TypeSourceInfo *ResultTInfo = Importer.Import(D->getResultTypeSourceInfo());
 | |
| 
 | |
|   ObjCMethodDecl *ToMethod
 | |
|     = ObjCMethodDecl::Create(Importer.getToContext(),
 | |
|                              Loc,
 | |
|                              Importer.Import(D->getLocEnd()),
 | |
|                              Name.getObjCSelector(),
 | |
|                              ResultTy, ResultTInfo, 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 (ObjCMethodDecl::param_iterator FromP = D->param_begin(),
 | |
|                                    FromPEnd = D->param_end();
 | |
|        FromP != FromPEnd; 
 | |
|        ++FromP) {
 | |
|     ParmVarDecl *ToP = cast_or_null<ParmVarDecl>(Importer.Import(*FromP));
 | |
|     if (!ToP)
 | |
|       return 0;
 | |
|     
 | |
|     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::VisitObjCCategoryDecl(ObjCCategoryDecl *D) {
 | |
|   // Import the major distinguishing characteristics of a category.
 | |
|   DeclContext *DC, *LexicalDC;
 | |
|   DeclarationName Name;
 | |
|   SourceLocation Loc;
 | |
|   if (ImportDeclParts(D, DC, LexicalDC, Name, Loc))
 | |
|     return 0;
 | |
|   
 | |
|   ObjCInterfaceDecl *ToInterface
 | |
|     = cast_or_null<ObjCInterfaceDecl>(Importer.Import(D->getClassInterface()));
 | |
|   if (!ToInterface)
 | |
|     return 0;
 | |
|   
 | |
|   // 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,
 | |
|                                        Importer.Import(D->getIvarLBraceLoc()),
 | |
|                                        Importer.Import(D->getIvarRBraceLoc()));
 | |
|     ToCategory->setLexicalDeclContext(LexicalDC);
 | |
|     LexicalDC->addDeclInternal(ToCategory);
 | |
|     Importer.Imported(D, ToCategory);
 | |
|     
 | |
|     // 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 0;
 | |
|       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 0;
 | |
|     
 | |
|     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 0;
 | |
|     
 | |
|     return Importer.Imported(D, ImportedDef);
 | |
|   }
 | |
| 
 | |
|   // Import the major distinguishing characteristics of a protocol.
 | |
|   DeclContext *DC, *LexicalDC;
 | |
|   DeclarationName Name;
 | |
|   SourceLocation Loc;
 | |
|   if (ImportDeclParts(D, DC, LexicalDC, Name, Loc))
 | |
|     return 0;
 | |
| 
 | |
|   ObjCProtocolDecl *MergeWithProtocol = 0;
 | |
|   SmallVector<NamedDecl *, 2> FoundDecls;
 | |
|   DC->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=*/0);
 | |
|     ToProto->setLexicalDeclContext(LexicalDC);
 | |
|     LexicalDC->addDeclInternal(ToProto);
 | |
|   }
 | |
|     
 | |
|   Importer.Imported(D, ToProto);
 | |
| 
 | |
|   if (D->isThisDeclarationADefinition() && ImportDefinition(D, ToProto))
 | |
|     return 0;
 | |
|   
 | |
|   return ToProto;
 | |
| }
 | |
| 
 | |
| 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()) {
 | |
|     ObjCInterfaceDecl *Super = cast_or_null<ObjCInterfaceDecl>(
 | |
|                                  Importer.Import(From->getSuperClass()));
 | |
|     if (!Super)
 | |
|       return true;
 | |
|     
 | |
|     To->setSuperClass(Super);
 | |
|     To->setSuperClassLoc(Importer.Import(From->getSuperClassLoc()));
 | |
|   }
 | |
|   
 | |
|   // 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 (ObjCInterfaceDecl::known_categories_iterator
 | |
|          Cat = From->known_categories_begin(),
 | |
|          CatEnd = From->known_categories_end();
 | |
|        Cat != CatEnd; ++Cat) {
 | |
|     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;
 | |
| }
 | |
| 
 | |
| 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 0;
 | |
|     
 | |
|     return Importer.Imported(D, ImportedDef);
 | |
|   }
 | |
| 
 | |
|   // Import the major distinguishing characteristics of an @interface.
 | |
|   DeclContext *DC, *LexicalDC;
 | |
|   DeclarationName Name;
 | |
|   SourceLocation Loc;
 | |
|   if (ImportDeclParts(D, DC, LexicalDC, Name, Loc))
 | |
|     return 0;
 | |
| 
 | |
|   // Look for an existing interface with the same name.
 | |
|   ObjCInterfaceDecl *MergeWithIface = 0;
 | |
|   SmallVector<NamedDecl *, 2> FoundDecls;
 | |
|   DC->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(), 
 | |
|                                         /*PrevDecl=*/0,Loc,
 | |
|                                         D->isImplicitInterfaceDecl());
 | |
|     ToIface->setLexicalDeclContext(LexicalDC);
 | |
|     LexicalDC->addDeclInternal(ToIface);
 | |
|   }
 | |
|   Importer.Imported(D, ToIface);
 | |
|   
 | |
|   if (D->isThisDeclarationADefinition() && ImportDefinition(D, ToIface))
 | |
|     return 0;
 | |
|     
 | |
|   return ToIface;
 | |
| }
 | |
| 
 | |
| Decl *ASTNodeImporter::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) {
 | |
|   ObjCCategoryDecl *Category = cast_or_null<ObjCCategoryDecl>(
 | |
|                                         Importer.Import(D->getCategoryDecl()));
 | |
|   if (!Category)
 | |
|     return 0;
 | |
|   
 | |
|   ObjCCategoryImplDecl *ToImpl = Category->getImplementation();
 | |
|   if (!ToImpl) {
 | |
|     DeclContext *DC = Importer.ImportContext(D->getDeclContext());
 | |
|     if (!DC)
 | |
|       return 0;
 | |
|     
 | |
|     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 0;
 | |
|       
 | |
|       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 0;
 | |
| 
 | |
|   // Import the superclass, if any.
 | |
|   ObjCInterfaceDecl *Super = 0;
 | |
|   if (D->getSuperClass()) {
 | |
|     Super = cast_or_null<ObjCInterfaceDecl>(
 | |
|                                           Importer.Import(D->getSuperClass()));
 | |
|     if (!Super)
 | |
|       return 0;
 | |
|   }
 | |
| 
 | |
|   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 0;
 | |
|       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 0;
 | |
|     }
 | |
|   }
 | |
|     
 | |
|   // 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;
 | |
|   if (ImportDeclParts(D, DC, LexicalDC, Name, Loc))
 | |
|     return 0;
 | |
| 
 | |
|   // Check whether we have already imported this property.
 | |
|   SmallVector<NamedDecl *, 2> FoundDecls;
 | |
|   DC->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 0;
 | |
|       }
 | |
| 
 | |
|       // FIXME: Check property attributes, getters, setters, etc.?
 | |
| 
 | |
|       // Consider these properties to be equivalent.
 | |
|       Importer.Imported(D, FoundProp);
 | |
|       return FoundProp;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   // Import the type.
 | |
|   TypeSourceInfo *T = Importer.Import(D->getTypeSourceInfo());
 | |
|   if (!T)
 | |
|     return 0;
 | |
| 
 | |
|   // Create the new property.
 | |
|   ObjCPropertyDecl *ToProperty
 | |
|     = ObjCPropertyDecl::Create(Importer.getToContext(), DC, Loc,
 | |
|                                Name.getAsIdentifierInfo(), 
 | |
|                                Importer.Import(D->getAtLoc()),
 | |
|                                Importer.Import(D->getLParenLoc()),
 | |
|                                T,
 | |
|                                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 0;
 | |
| 
 | |
|   DeclContext *DC = Importer.ImportContext(D->getDeclContext());
 | |
|   if (!DC)
 | |
|     return 0;
 | |
|   
 | |
|   // Import the lexical declaration context.
 | |
|   DeclContext *LexicalDC = DC;
 | |
|   if (D->getDeclContext() != D->getLexicalDeclContext()) {
 | |
|     LexicalDC = Importer.ImportContext(D->getLexicalDeclContext());
 | |
|     if (!LexicalDC)
 | |
|       return 0;
 | |
|   }
 | |
| 
 | |
|   ObjCImplDecl *InImpl = dyn_cast<ObjCImplDecl>(LexicalDC);
 | |
|   if (!InImpl)
 | |
|     return 0;
 | |
| 
 | |
|   // Import the ivar (for an @synthesize).
 | |
|   ObjCIvarDecl *Ivar = 0;
 | |
|   if (D->getPropertyIvarDecl()) {
 | |
|     Ivar = cast_or_null<ObjCIvarDecl>(
 | |
|                                     Importer.Import(D->getPropertyIvarDecl()));
 | |
|     if (!Ivar)
 | |
|       return 0;
 | |
|   }
 | |
| 
 | |
|   ObjCPropertyImplDecl *ToImpl
 | |
|     = InImpl->FindPropertyImplDecl(Property->getIdentifier());
 | |
|   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 0;
 | |
|     }
 | |
|     
 | |
|     // 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 0;
 | |
|     }
 | |
|     
 | |
|     // 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 0;
 | |
|   
 | |
|   // 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 0;
 | |
|   
 | |
|   // Import type-source information.
 | |
|   TypeSourceInfo *TInfo = Importer.Import(D->getTypeSourceInfo());
 | |
|   if (D->getTypeSourceInfo() && !TInfo)
 | |
|     return 0;
 | |
|   
 | |
|   // 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 0;
 | |
|   
 | |
|   // Import the location of this declaration.
 | |
|   SourceLocation Loc = Importer.Import(D->getLocation());
 | |
|   
 | |
|   // Import template parameters.
 | |
|   TemplateParameterList *TemplateParams
 | |
|     = ImportTemplateParameterList(D->getTemplateParameters());
 | |
|   if (!TemplateParams)
 | |
|     return 0;
 | |
|   
 | |
|   // 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 0;
 | |
|     
 | |
|     return Importer.Imported(D, ImportedDef);
 | |
|   }
 | |
|   
 | |
|   // Import the major distinguishing characteristics of this class template.
 | |
|   DeclContext *DC, *LexicalDC;
 | |
|   DeclarationName Name;
 | |
|   SourceLocation Loc;
 | |
|   if (ImportDeclParts(D, DC, LexicalDC, Name, Loc))
 | |
|     return 0;
 | |
|   
 | |
|   // 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->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 0;
 | |
|   }
 | |
| 
 | |
|   CXXRecordDecl *DTemplated = D->getTemplatedDecl();
 | |
|   
 | |
|   // Create the declaration that is being templated.
 | |
|   SourceLocation StartLoc = Importer.Import(DTemplated->getLocStart());
 | |
|   SourceLocation IdLoc = Importer.Import(DTemplated->getLocation());
 | |
|   CXXRecordDecl *D2Templated = CXXRecordDecl::Create(Importer.getToContext(),
 | |
|                                                      DTemplated->getTagKind(),
 | |
|                                                      DC, StartLoc, IdLoc,
 | |
|                                                    Name.getAsIdentifierInfo());
 | |
|   D2Templated->setAccess(DTemplated->getAccess());
 | |
|   D2Templated->setQualifierInfo(Importer.Import(DTemplated->getQualifierLoc()));
 | |
|   D2Templated->setLexicalDeclContext(LexicalDC);
 | |
|   
 | |
|   // Create the class template declaration itself.
 | |
|   TemplateParameterList *TemplateParams
 | |
|     = ImportTemplateParameterList(D->getTemplateParameters());
 | |
|   if (!TemplateParams)
 | |
|     return 0;
 | |
|   
 | |
|   ClassTemplateDecl *D2 = ClassTemplateDecl::Create(Importer.getToContext(), DC, 
 | |
|                                                     Loc, Name, TemplateParams, 
 | |
|                                                     D2Templated, 
 | |
|   /*PrevDecl=*/0);
 | |
|   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 0;
 | |
|     
 | |
|     return Importer.Imported(D, ImportedDef);
 | |
|   }
 | |
| 
 | |
|   ClassTemplateDecl *ClassTemplate
 | |
|     = cast_or_null<ClassTemplateDecl>(Importer.Import(
 | |
|                                                  D->getSpecializedTemplate()));
 | |
|   if (!ClassTemplate)
 | |
|     return 0;
 | |
|   
 | |
|   // Import the context of this declaration.
 | |
|   DeclContext *DC = ClassTemplate->getDeclContext();
 | |
|   if (!DC)
 | |
|     return 0;
 | |
|   
 | |
|   DeclContext *LexicalDC = DC;
 | |
|   if (D->getDeclContext() != D->getLexicalDeclContext()) {
 | |
|     LexicalDC = Importer.ImportContext(D->getLexicalDeclContext());
 | |
|     if (!LexicalDC)
 | |
|       return 0;
 | |
|   }
 | |
|   
 | |
|   // 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 0;
 | |
|   
 | |
|   // Try to find an existing specialization with these template arguments.
 | |
|   void *InsertPos = 0;
 | |
|   ClassTemplateSpecializationDecl *D2
 | |
|     = ClassTemplate->findSpecialization(TemplateArgs.data(), 
 | |
|                                         TemplateArgs.size(), 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.data(), 
 | |
|                                                  TemplateArgs.size(), 
 | |
|                                                  /*PrevDecl=*/0);
 | |
|     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 0;
 | |
|   
 | |
|   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 0;
 | |
| 
 | |
|     return Importer.Imported(D, ImportedDef);
 | |
|   }
 | |
| 
 | |
|   // Import the major distinguishing characteristics of this variable template.
 | |
|   DeclContext *DC, *LexicalDC;
 | |
|   DeclarationName Name;
 | |
|   SourceLocation Loc;
 | |
|   if (ImportDeclParts(D, DC, LexicalDC, Name, Loc))
 | |
|     return 0;
 | |
| 
 | |
|   // 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->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 0;
 | |
| 
 | |
|   VarDecl *DTemplated = D->getTemplatedDecl();
 | |
| 
 | |
|   // Import the type.
 | |
|   QualType T = Importer.Import(DTemplated->getType());
 | |
|   if (T.isNull())
 | |
|     return 0;
 | |
| 
 | |
|   // 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 0;
 | |
| 
 | |
|   // Create the variable template declaration itself.
 | |
|   TemplateParameterList *TemplateParams =
 | |
|       ImportTemplateParameterList(D->getTemplateParameters());
 | |
|   if (!TemplateParams)
 | |
|     return 0;
 | |
| 
 | |
|   VarTemplateDecl *D2 = VarTemplateDecl::Create(
 | |
|       Importer.getToContext(), DC, Loc, Name, TemplateParams, D2Templated,
 | |
|       /*PrevDecl=*/0);
 | |
|   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 0;
 | |
| 
 | |
|     return Importer.Imported(D, ImportedDef);
 | |
|   }
 | |
| 
 | |
|   VarTemplateDecl *VarTemplate = cast_or_null<VarTemplateDecl>(
 | |
|       Importer.Import(D->getSpecializedTemplate()));
 | |
|   if (!VarTemplate)
 | |
|     return 0;
 | |
| 
 | |
|   // Import the context of this declaration.
 | |
|   DeclContext *DC = VarTemplate->getDeclContext();
 | |
|   if (!DC)
 | |
|     return 0;
 | |
| 
 | |
|   DeclContext *LexicalDC = DC;
 | |
|   if (D->getDeclContext() != D->getLexicalDeclContext()) {
 | |
|     LexicalDC = Importer.ImportContext(D->getLexicalDeclContext());
 | |
|     if (!LexicalDC)
 | |
|       return 0;
 | |
|   }
 | |
| 
 | |
|   // 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 0;
 | |
| 
 | |
|   // Try to find an existing specialization with these template arguments.
 | |
|   void *InsertPos = 0;
 | |
|   VarTemplateSpecializationDecl *D2 = VarTemplate->findSpecialization(
 | |
|       TemplateArgs.data(), TemplateArgs.size(), 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 0;
 | |
|     TypeSourceInfo *TInfo = Importer.Import(D->getTypeSourceInfo());
 | |
| 
 | |
|     // Create a new specialization.
 | |
|     D2 = VarTemplateSpecializationDecl::Create(
 | |
|         Importer.getToContext(), DC, StartLoc, IdLoc, VarTemplate, T, TInfo,
 | |
|         D->getStorageClass(), TemplateArgs.data(), TemplateArgs.size());
 | |
|     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 0;
 | |
| 
 | |
|   return D2;
 | |
| }
 | |
| 
 | |
| //----------------------------------------------------------------------------
 | |
| // Import Statements
 | |
| //----------------------------------------------------------------------------
 | |
| 
 | |
| Stmt *ASTNodeImporter::VisitStmt(Stmt *S) {
 | |
|   Importer.FromDiag(S->getLocStart(), diag::err_unsupported_ast_node)
 | |
|     << S->getStmtClassName();
 | |
|   return 0;
 | |
| }
 | |
| 
 | |
| //----------------------------------------------------------------------------
 | |
| // Import Expressions
 | |
| //----------------------------------------------------------------------------
 | |
| Expr *ASTNodeImporter::VisitExpr(Expr *E) {
 | |
|   Importer.FromDiag(E->getLocStart(), diag::err_unsupported_ast_node)
 | |
|     << E->getStmtClassName();
 | |
|   return 0;
 | |
| }
 | |
| 
 | |
| Expr *ASTNodeImporter::VisitDeclRefExpr(DeclRefExpr *E) {
 | |
|   ValueDecl *ToD = cast_or_null<ValueDecl>(Importer.Import(E->getDecl()));
 | |
|   if (!ToD)
 | |
|     return 0;
 | |
| 
 | |
|   NamedDecl *FoundD = 0;
 | |
|   if (E->getDecl() != E->getFoundDecl()) {
 | |
|     FoundD = cast_or_null<NamedDecl>(Importer.Import(E->getFoundDecl()));
 | |
|     if (!FoundD)
 | |
|       return 0;
 | |
|   }
 | |
|   
 | |
|   QualType T = Importer.Import(E->getType());
 | |
|   if (T.isNull())
 | |
|     return 0;
 | |
| 
 | |
|   DeclRefExpr *DRE = DeclRefExpr::Create(Importer.getToContext(), 
 | |
|                                          Importer.Import(E->getQualifierLoc()),
 | |
|                                    Importer.Import(E->getTemplateKeywordLoc()),
 | |
|                                          ToD,
 | |
|                                          E->refersToEnclosingLocal(),
 | |
|                                          Importer.Import(E->getLocation()),
 | |
|                                          T, E->getValueKind(),
 | |
|                                          FoundD,
 | |
|                                          /*FIXME:TemplateArgs=*/0);
 | |
|   if (E->hadMultipleCandidates())
 | |
|     DRE->setHadMultipleCandidates(true);
 | |
|   return DRE;
 | |
| }
 | |
| 
 | |
| Expr *ASTNodeImporter::VisitIntegerLiteral(IntegerLiteral *E) {
 | |
|   QualType T = Importer.Import(E->getType());
 | |
|   if (T.isNull())
 | |
|     return 0;
 | |
| 
 | |
|   return IntegerLiteral::Create(Importer.getToContext(), 
 | |
|                                 E->getValue(), T,
 | |
|                                 Importer.Import(E->getLocation()));
 | |
| }
 | |
| 
 | |
| Expr *ASTNodeImporter::VisitCharacterLiteral(CharacterLiteral *E) {
 | |
|   QualType T = Importer.Import(E->getType());
 | |
|   if (T.isNull())
 | |
|     return 0;
 | |
|   
 | |
|   return new (Importer.getToContext()) CharacterLiteral(E->getValue(),
 | |
|                                                         E->getKind(), T,
 | |
|                                           Importer.Import(E->getLocation()));
 | |
| }
 | |
| 
 | |
| Expr *ASTNodeImporter::VisitParenExpr(ParenExpr *E) {
 | |
|   Expr *SubExpr = Importer.Import(E->getSubExpr());
 | |
|   if (!SubExpr)
 | |
|     return 0;
 | |
|   
 | |
|   return new (Importer.getToContext()) 
 | |
|                                   ParenExpr(Importer.Import(E->getLParen()),
 | |
|                                             Importer.Import(E->getRParen()),
 | |
|                                             SubExpr);
 | |
| }
 | |
| 
 | |
| Expr *ASTNodeImporter::VisitUnaryOperator(UnaryOperator *E) {
 | |
|   QualType T = Importer.Import(E->getType());
 | |
|   if (T.isNull())
 | |
|     return 0;
 | |
| 
 | |
|   Expr *SubExpr = Importer.Import(E->getSubExpr());
 | |
|   if (!SubExpr)
 | |
|     return 0;
 | |
|   
 | |
|   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 0;
 | |
|     
 | |
|     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 0;
 | |
|   
 | |
|   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 0;
 | |
| 
 | |
|   Expr *LHS = Importer.Import(E->getLHS());
 | |
|   if (!LHS)
 | |
|     return 0;
 | |
|   
 | |
|   Expr *RHS = Importer.Import(E->getRHS());
 | |
|   if (!RHS)
 | |
|     return 0;
 | |
|   
 | |
|   return new (Importer.getToContext()) BinaryOperator(LHS, RHS, E->getOpcode(),
 | |
|                                                       T, E->getValueKind(),
 | |
|                                                       E->getObjectKind(),
 | |
|                                            Importer.Import(E->getOperatorLoc()),
 | |
|                                                       E->isFPContractable());
 | |
| }
 | |
| 
 | |
| Expr *ASTNodeImporter::VisitCompoundAssignOperator(CompoundAssignOperator *E) {
 | |
|   QualType T = Importer.Import(E->getType());
 | |
|   if (T.isNull())
 | |
|     return 0;
 | |
|   
 | |
|   QualType CompLHSType = Importer.Import(E->getComputationLHSType());
 | |
|   if (CompLHSType.isNull())
 | |
|     return 0;
 | |
|   
 | |
|   QualType CompResultType = Importer.Import(E->getComputationResultType());
 | |
|   if (CompResultType.isNull())
 | |
|     return 0;
 | |
|   
 | |
|   Expr *LHS = Importer.Import(E->getLHS());
 | |
|   if (!LHS)
 | |
|     return 0;
 | |
|   
 | |
|   Expr *RHS = Importer.Import(E->getRHS());
 | |
|   if (!RHS)
 | |
|     return 0;
 | |
|   
 | |
|   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 0;
 | |
| 
 | |
|   Expr *SubExpr = Importer.Import(E->getSubExpr());
 | |
|   if (!SubExpr)
 | |
|     return 0;
 | |
| 
 | |
|   CXXCastPath BasePath;
 | |
|   if (ImportCastPath(E, BasePath))
 | |
|     return 0;
 | |
| 
 | |
|   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 0;
 | |
|   
 | |
|   Expr *SubExpr = Importer.Import(E->getSubExpr());
 | |
|   if (!SubExpr)
 | |
|     return 0;
 | |
| 
 | |
|   TypeSourceInfo *TInfo = Importer.Import(E->getTypeInfoAsWritten());
 | |
|   if (!TInfo && E->getTypeInfoAsWritten())
 | |
|     return 0;
 | |
|   
 | |
|   CXXCastPath BasePath;
 | |
|   if (ImportCastPath(E, BasePath))
 | |
|     return 0;
 | |
| 
 | |
|   return CStyleCastExpr::Create(Importer.getToContext(), T,
 | |
|                                 E->getValueKind(), E->getCastKind(),
 | |
|                                 SubExpr, &BasePath, TInfo,
 | |
|                                 Importer.Import(E->getLParenLoc()),
 | |
|                                 Importer.Import(E->getRParenLoc()));
 | |
| }
 | |
| 
 | |
| 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 0;
 | |
| 
 | |
|   return ToContext.getTrivialTypeSourceInfo(T, 
 | |
|                         FromTSI->getTypeLoc().getLocStart());
 | |
| }
 | |
| 
 | |
| Decl *ASTImporter::Import(Decl *FromD) {
 | |
|   if (!FromD)
 | |
|     return 0;
 | |
| 
 | |
|   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 0;
 | |
|   
 | |
|   // 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 0;
 | |
|   
 | |
|   // 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 0;
 | |
| 
 | |
|   return cast_or_null<Expr>(Import(cast<Stmt>(FromE)));
 | |
| }
 | |
| 
 | |
| Stmt *ASTImporter::Import(Stmt *FromS) {
 | |
|   if (!FromS)
 | |
|     return 0;
 | |
| 
 | |
|   // 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 0;
 | |
|   
 | |
|   // Record the imported declaration.
 | |
|   ImportedStmts[FromS] = ToS;
 | |
|   return ToS;
 | |
| }
 | |
| 
 | |
| NestedNameSpecifier *ASTImporter::Import(NestedNameSpecifier *FromNNS) {
 | |
|   if (!FromNNS)
 | |
|     return 0;
 | |
| 
 | |
|   NestedNameSpecifier *prefix = Import(FromNNS->getPrefix());
 | |
| 
 | |
|   switch (FromNNS->getKind()) {
 | |
|   case NestedNameSpecifier::Identifier:
 | |
|     if (IdentifierInfo *II = Import(FromNNS->getAsIdentifier())) {
 | |
|       return NestedNameSpecifier::Create(ToContext, prefix, II);
 | |
|     }
 | |
|     return 0;
 | |
| 
 | |
|   case NestedNameSpecifier::Namespace:
 | |
|     if (NamespaceDecl *NS = 
 | |
|           cast<NamespaceDecl>(Import(FromNNS->getAsNamespace()))) {
 | |
|       return NestedNameSpecifier::Create(ToContext, prefix, NS);
 | |
|     }
 | |
|     return 0;
 | |
| 
 | |
|   case NestedNameSpecifier::NamespaceAlias:
 | |
|     if (NamespaceAliasDecl *NSAD = 
 | |
|           cast<NamespaceAliasDecl>(Import(FromNNS->getAsNamespaceAlias()))) {
 | |
|       return NestedNameSpecifier::Create(ToContext, prefix, NSAD);
 | |
|     }
 | |
|     return 0;
 | |
| 
 | |
|   case NestedNameSpecifier::Global:
 | |
|     return NestedNameSpecifier::GlobalSpecifier(ToContext);
 | |
| 
 | |
|   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 0;
 | |
|   }
 | |
| 
 | |
|   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();
 | |
|   return ToSM.getLocForStartOfFile(Import(Decomposed.first))
 | |
|              .getLocWithOffset(Decomposed.second);
 | |
| }
 | |
| 
 | |
| SourceRange ASTImporter::Import(SourceRange FromRange) {
 | |
|   return SourceRange(Import(FromRange.getBegin()), Import(FromRange.getEnd()));
 | |
| }
 | |
| 
 | |
| FileID ASTImporter::Import(FileID FromID) {
 | |
|   llvm::DenseMap<FileID, FileID>::iterator Pos
 | |
|     = ImportedFileIDs.find(FromID);
 | |
|   if (Pos != ImportedFileIDs.end())
 | |
|     return Pos->second;
 | |
|   
 | |
|   SourceManager &FromSM = FromContext.getSourceManager();
 | |
|   SourceManager &ToSM = ToContext.getSourceManager();
 | |
|   const SrcMgr::SLocEntry &FromSLoc = FromSM.getSLocEntry(FromID);
 | |
|   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) {
 | |
|     // 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());
 | |
|     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);
 | |
|     llvm::MemoryBuffer *ToBuf
 | |
|       = llvm::MemoryBuffer::getMemBufferCopy(FromBuf->getBuffer(),
 | |
|                                              FromBuf->getBufferIdentifier());
 | |
|     ToID = ToSM.createFileIDForMemBuffer(ToBuf,
 | |
|                                     FromSLoc.getFile().getFileCharacteristic());
 | |
|   }
 | |
|   
 | |
|   
 | |
|   ImportedFileIDs[FromID] = ToID;
 | |
|   return ToID;
 | |
| }
 | |
| 
 | |
| 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 0;
 | |
| 
 | |
|   return &ToContext.Idents.get(FromId->getName());
 | |
| }
 | |
| 
 | |
| 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) {
 | |
|   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);
 | |
| }
 |