Merge branch 'master' of git@scm.dev.nokia.troll.no:creator/mainline

src/shared/cplusplus/ASTVisitor.h

@@ -190,6 +190,110 @@ public:
     virtual bool visit(IdentifierListAST *) { return true; }
     virtual bool visit(ObjCClassDeclarationAST *) { return true; }
 
+
+
+    virtual void endVisit(AccessDeclarationAST *) { }
+    virtual void endVisit(ArrayAccessAST *) { }
+    virtual void endVisit(ArrayDeclaratorAST *) { }
+    virtual void endVisit(ArrayInitializerAST *) { }
+    virtual void endVisit(AsmDefinitionAST *) { }
+    virtual void endVisit(AttributeSpecifierAST *) { }
+    virtual void endVisit(AttributeAST *) { }
+    virtual void endVisit(BaseSpecifierAST *) { }
+    virtual void endVisit(BinaryExpressionAST *) { }
+    virtual void endVisit(BoolLiteralAST *) { }
+    virtual void endVisit(BreakStatementAST *) { }
+    virtual void endVisit(CallAST *) { }
+    virtual void endVisit(CaseStatementAST *) { }
+    virtual void endVisit(CastExpressionAST *) { }
+    virtual void endVisit(CatchClauseAST *) { }
+    virtual void endVisit(ClassSpecifierAST *) { }
+    virtual void endVisit(CompoundLiteralAST *) { }
+    virtual void endVisit(CompoundStatementAST *) { }
+    virtual void endVisit(ConditionAST *) { }
+    virtual void endVisit(ConditionalExpressionAST *) { }
+    virtual void endVisit(ContinueStatementAST *) { }
+    virtual void endVisit(ConversionFunctionIdAST *) { }
+    virtual void endVisit(CppCastExpressionAST *) { }
+    virtual void endVisit(CtorInitializerAST *) { }
+    virtual void endVisit(DeclaratorAST *) { }
+    virtual void endVisit(DeclarationStatementAST *) { }
+    virtual void endVisit(DeclaratorIdAST *) { }
+    virtual void endVisit(DeclaratorListAST *) { }
+    virtual void endVisit(DeleteExpressionAST *) { }
+    virtual void endVisit(DestructorNameAST *) { }
+    virtual void endVisit(DoStatementAST *) { }
+    virtual void endVisit(ElaboratedTypeSpecifierAST *) { }
+    virtual void endVisit(EmptyDeclarationAST *) { }
+    virtual void endVisit(EnumSpecifierAST *) { }
+    virtual void endVisit(EnumeratorAST *) { }
+    virtual void endVisit(ExceptionDeclarationAST *) { }
+    virtual void endVisit(ExceptionSpecificationAST *) { }
+    virtual void endVisit(ExpressionListAST *) { }
+    virtual void endVisit(ExpressionOrDeclarationStatementAST *) { }
+    virtual void endVisit(ExpressionStatementAST *) { }
+    virtual void endVisit(ForStatementAST *) { }
+    virtual void endVisit(FunctionDeclaratorAST *) { }
+    virtual void endVisit(FunctionDefinitionAST *) { }
+    virtual void endVisit(GotoStatementAST *) { }
+    virtual void endVisit(IfStatementAST *) { }
+    virtual void endVisit(LabeledStatementAST *) { }
+    virtual void endVisit(LinkageBodyAST *) { }
+    virtual void endVisit(LinkageSpecificationAST *) { }
+    virtual void endVisit(MemInitializerAST *) { }
+    virtual void endVisit(MemberAccessAST *) { }
+    virtual void endVisit(NamedTypeSpecifierAST *) { }
+    virtual void endVisit(NamespaceAST *) { }
+    virtual void endVisit(NamespaceAliasDefinitionAST *) { }
+    virtual void endVisit(NestedDeclaratorAST *) { }
+    virtual void endVisit(NestedExpressionAST *) { }
+    virtual void endVisit(NestedNameSpecifierAST *) { }
+    virtual void endVisit(NewDeclaratorAST *) { }
+    virtual void endVisit(NewExpressionAST *) { }
+    virtual void endVisit(NewInitializerAST *) { }
+    virtual void endVisit(NewTypeIdAST *) { }
+    virtual void endVisit(NumericLiteralAST *) { }
+    virtual void endVisit(OperatorAST *) { }
+    virtual void endVisit(OperatorFunctionIdAST *) { }
+    virtual void endVisit(ParameterDeclarationAST *) { }
+    virtual void endVisit(ParameterDeclarationClauseAST *) { }
+    virtual void endVisit(PointerAST *) { }
+    virtual void endVisit(PointerToMemberAST *) { }
+    virtual void endVisit(PostIncrDecrAST *) { }
+    virtual void endVisit(PostfixExpressionAST *) { }
+    virtual void endVisit(QualifiedNameAST *) { }
+    virtual void endVisit(ReferenceAST *) { }
+    virtual void endVisit(ReturnStatementAST *) { }
+    virtual void endVisit(SimpleDeclarationAST *) { }
+    virtual void endVisit(SimpleNameAST *) { }
+    virtual void endVisit(SimpleSpecifierAST *) { }
+    virtual void endVisit(SizeofExpressionAST *) { }
+    virtual void endVisit(StringLiteralAST *) { }
+    virtual void endVisit(SwitchStatementAST *) { }
+    virtual void endVisit(TemplateArgumentListAST *) { }
+    virtual void endVisit(TemplateDeclarationAST *) { }
+    virtual void endVisit(TemplateIdAST *) { }
+    virtual void endVisit(TemplateTypeParameterAST *) { }
+    virtual void endVisit(ThisExpressionAST *) { }
+    virtual void endVisit(ThrowExpressionAST *) { }
+    virtual void endVisit(TranslationUnitAST *) { }
+    virtual void endVisit(TryBlockStatementAST *) { }
+    virtual void endVisit(TypeConstructorCallAST *) { }
+    virtual void endVisit(TypeIdAST *) { }
+    virtual void endVisit(TypeidExpressionAST *) { }
+    virtual void endVisit(TypeofSpecifierAST *) { }
+    virtual void endVisit(TypenameCallExpressionAST *) { }
+    virtual void endVisit(TypenameTypeParameterAST *) { }
+    virtual void endVisit(UnaryExpressionAST *) { }
+    virtual void endVisit(UsingAST *) { }
+    virtual void endVisit(UsingDirectiveAST *) { }
+    virtual void endVisit(WhileStatementAST *) { }
+    virtual void endVisit(QtMethodAST *) { }
+
+    // ObjC++
+    virtual void endVisit(IdentifierListAST *) { }
+    virtual void endVisit(ObjCClassDeclarationAST *) { }
+
 private:
     Control *_control;
 };

src/shared/cplusplus/CheckStatement.cpp

@@ -103,6 +103,7 @@ bool CheckStatement::visit(CaseStatementAST *ast)
 bool CheckStatement::visit(CompoundStatementAST *ast)
 {
     Block *block = control()->newBlock(ast->lbrace_token);
+    ast->symbol = block;
     _scope->enterSymbol(block);
     Scope *previousScope = switchScope(block->members());
     for (StatementAST *it = ast->statements; it; it = it->next) {
@@ -145,6 +146,7 @@ bool CheckStatement::visit(ExpressionStatementAST *ast)
 bool CheckStatement::visit(ForStatementAST *ast)
 {
     Block *block = control()->newBlock(ast->for_token);
+    ast->symbol = block;
     _scope->enterSymbol(block);
     Scope *previousScope = switchScope(block->members());
     semantic()->check(ast->initializer, _scope);
@@ -158,6 +160,7 @@ bool CheckStatement::visit(ForStatementAST *ast)
 bool CheckStatement::visit(IfStatementAST *ast)
 {
     Block *block = control()->newBlock(ast->if_token);
+    ast->symbol = block;
     _scope->enterSymbol(block);
     Scope *previousScope = switchScope(block->members());
     FullySpecifiedType exprTy = semantic()->check(ast->condition, _scope);
@@ -197,6 +200,7 @@ bool CheckStatement::visit(ReturnStatementAST *ast)
 bool CheckStatement::visit(SwitchStatementAST *ast)
 {
     Block *block = control()->newBlock(ast->switch_token);
+    ast->symbol = block;
     _scope->enterSymbol(block);
     Scope *previousScope = switchScope(block->members());
     FullySpecifiedType condTy = semantic()->check(ast->condition, _scope);
@@ -217,6 +221,7 @@ bool CheckStatement::visit(TryBlockStatementAST *ast)
 bool CheckStatement::visit(CatchClauseAST *ast)
 {
     Block *block = control()->newBlock(ast->catch_token);
+    ast->symbol = block;
     _scope->enterSymbol(block);
     Scope *previousScope = switchScope(block->members());
     semantic()->check(ast->exception_declaration, _scope);
@@ -228,6 +233,7 @@ bool CheckStatement::visit(CatchClauseAST *ast)
 bool CheckStatement::visit(WhileStatementAST *ast)
 {
     Block *block = control()->newBlock(ast->while_token);
+    ast->symbol = block;
     _scope->enterSymbol(block);
     Scope *previousScope = switchScope(block->members());
     FullySpecifiedType condTy = semantic()->check(ast->condition, _scope);

src/shared/cplusplus/Name.cpp

@@ -63,58 +63,22 @@ Name::~Name()
 { }
 
 bool Name::isNameId() const
-{ return dynamic_cast<const NameId *>(this) != 0; }
+{ return asNameId() != 0; }
 
 bool Name::isTemplateNameId() const
-{ return dynamic_cast<const TemplateNameId *>(this) != 0; }
+{ return asTemplateNameId() != 0; }
 
 bool Name::isDestructorNameId() const
-{ return dynamic_cast<const DestructorNameId *>(this) != 0; }
+{ return asDestructorNameId() != 0; }
 
 bool Name::isOperatorNameId() const
-{ return dynamic_cast<const OperatorNameId *>(this) != 0; }
+{ return asOperatorNameId() != 0; }
 
 bool Name::isConversionNameId() const
-{ return dynamic_cast<const ConversionNameId *>(this) != 0; }
+{ return asConversionNameId() != 0; }
 
 bool Name::isQualifiedNameId() const
-{ return dynamic_cast<const QualifiedNameId *>(this) != 0; }
-
-const NameId *Name::asNameId() const
-{ return dynamic_cast<const NameId *>(this); }
-
-const TemplateNameId *Name::asTemplateNameId() const
-{ return dynamic_cast<const TemplateNameId *>(this); }
-
-const DestructorNameId *Name::asDestructorNameId() const
-{ return dynamic_cast<const DestructorNameId *>(this); }
-
-const OperatorNameId *Name::asOperatorNameId() const
-{ return dynamic_cast<const OperatorNameId *>(this); }
-
-const ConversionNameId *Name::asConversionNameId() const
-{ return dynamic_cast<const ConversionNameId *>(this); }
-
-const QualifiedNameId *Name::asQualifiedNameId() const
-{ return dynamic_cast<const QualifiedNameId *>(this); }
-
-NameId *Name::asNameId()
-{ return dynamic_cast<NameId *>(this); }
-
-TemplateNameId *Name::asTemplateNameId()
-{ return dynamic_cast<TemplateNameId *>(this); }
-
-DestructorNameId *Name::asDestructorNameId()
-{ return dynamic_cast<DestructorNameId *>(this); }
-
-OperatorNameId *Name::asOperatorNameId()
-{ return dynamic_cast<OperatorNameId *>(this); }
-
-ConversionNameId *Name::asConversionNameId()
-{ return dynamic_cast<ConversionNameId *>(this); }
-
-QualifiedNameId *Name::asQualifiedNameId()
-{ return dynamic_cast<QualifiedNameId *>(this); }
+{ return asQualifiedNameId() != 0; }
 
 void Name::accept(NameVisitor *visitor)
 {

src/shared/cplusplus/Name.h

@@ -74,19 +74,19 @@ public:
     bool isConversionNameId() const;
     bool isQualifiedNameId() const;
 
-    const NameId *asNameId() const;
-    const TemplateNameId *asTemplateNameId() const;
-    const DestructorNameId *asDestructorNameId() const;
-    const OperatorNameId *asOperatorNameId() const;
-    const ConversionNameId *asConversionNameId() const;
-    const QualifiedNameId *asQualifiedNameId() const;
+    virtual const NameId *asNameId() const { return 0; }
+    virtual const TemplateNameId *asTemplateNameId() const { return 0; }
+    virtual const DestructorNameId *asDestructorNameId() const { return 0; }
+    virtual const OperatorNameId *asOperatorNameId() const { return 0; }
+    virtual const ConversionNameId *asConversionNameId() const { return 0; }
+    virtual const QualifiedNameId *asQualifiedNameId() const { return 0; }
 
-    NameId *asNameId();
-    TemplateNameId *asTemplateNameId();
-    DestructorNameId *asDestructorNameId();
-    OperatorNameId *asOperatorNameId();
-    ConversionNameId *asConversionNameId();
-    QualifiedNameId *asQualifiedNameId();
+    virtual NameId *asNameId() { return 0; }
+    virtual TemplateNameId *asTemplateNameId() { return 0; }
+    virtual DestructorNameId *asDestructorNameId() { return 0; }
+    virtual OperatorNameId *asOperatorNameId() { return 0; }
+    virtual ConversionNameId *asConversionNameId() { return 0; }
+    virtual QualifiedNameId *asQualifiedNameId() { return 0; }
 
     virtual bool isEqualTo(const Name *other) const = 0;
 

src/shared/cplusplus/Names.h

@@ -77,6 +77,12 @@ public:
 
     virtual bool isEqualTo(const Name *other) const;
 
+    virtual const QualifiedNameId *asQualifiedNameId() const
+    { return this; }
+
+    virtual QualifiedNameId *asQualifiedNameId()
+    { return this; }
+
 protected:
     virtual void accept0(NameVisitor *visitor);
 
@@ -96,6 +102,12 @@ public:
 
     virtual bool isEqualTo(const Name *other) const;
 
+    virtual const NameId *asNameId() const
+    { return this; }
+
+    virtual NameId *asNameId()
+    { return this; }
+
 protected:
     virtual void accept0(NameVisitor *visitor);
 
@@ -113,6 +125,12 @@ public:
 
     virtual bool isEqualTo(const Name *other) const;
 
+    virtual const DestructorNameId *asDestructorNameId() const
+    { return this; }
+
+    virtual DestructorNameId *asDestructorNameId()
+    { return this; }
+
 protected:
     virtual void accept0(NameVisitor *visitor);
 
@@ -137,6 +155,12 @@ public:
 
     virtual bool isEqualTo(const Name *other) const;
 
+    virtual const TemplateNameId *asTemplateNameId() const
+    { return this; }
+
+    virtual TemplateNameId *asTemplateNameId()
+    { return this; }
+
 protected:
     virtual void accept0(NameVisitor *visitor);
 
@@ -211,6 +235,12 @@ public:
 
     virtual bool isEqualTo(const Name *other) const;
 
+    virtual const OperatorNameId *asOperatorNameId() const
+    { return this; }
+
+    virtual OperatorNameId *asOperatorNameId()
+    { return this; }
+
 protected:
     virtual void accept0(NameVisitor *visitor);
 
@@ -228,6 +258,12 @@ public:
 
     virtual bool isEqualTo(const Name *other) const;
 
+    virtual const ConversionNameId *asConversionNameId() const
+    { return this; }
+
+    virtual ConversionNameId *asConversionNameId()
+    { return this; }
+
 protected:
     virtual void accept0(NameVisitor *visitor);
 

src/shared/cplusplus/Symbol.cpp

@@ -320,102 +320,36 @@ bool Symbol::isPrivate() const
 { return _visibility == Private; }
 
 bool Symbol::isScopedSymbol() const
-{ return dynamic_cast<const ScopedSymbol *>(this) != 0; }
+{ return asScopedSymbol() != 0; }
 
 bool Symbol::isEnum() const
-{ return dynamic_cast<const Enum *>(this) != 0; }
+{ return asEnum()  != 0; }
 
 bool Symbol::isFunction() const
-{ return dynamic_cast<const Function *>(this) != 0; }
+{ return asFunction() != 0; }
 
 bool Symbol::isNamespace() const
-{ return dynamic_cast<const Namespace *>(this) != 0; }
+{ return asNamespace() != 0; }
 
 bool Symbol::isClass() const
-{ return dynamic_cast<const Class *>(this) != 0; }
+{ return asClass() != 0; }
 
 bool Symbol::isBlock() const
-{ return dynamic_cast<const Block *>(this) != 0; }
+{ return asBlock() != 0; }
 
 bool Symbol::isUsingNamespaceDirective() const
-{ return dynamic_cast<const UsingNamespaceDirective *>(this) != 0; }
+{ return asUsingNamespaceDirective() != 0; }
 
 bool Symbol::isUsingDeclaration() const
-{ return dynamic_cast<const UsingDeclaration *>(this) != 0; }
+{ return asUsingDeclaration() != 0; }
 
 bool Symbol::isDeclaration() const
-{ return dynamic_cast<const Declaration *>(this) != 0; }
+{ return asDeclaration() != 0; }
 
 bool Symbol::isArgument() const
-{ return dynamic_cast<const Argument *>(this) != 0; }
+{ return asArgument() != 0; }
 
 bool Symbol::isBaseClass() const
-{ return dynamic_cast<const BaseClass *>(this) != 0; }
-
-const ScopedSymbol *Symbol::asScopedSymbol() const
-{ return dynamic_cast<const ScopedSymbol *>(this); }
-
-const Enum *Symbol::asEnum() const
-{ return dynamic_cast<const Enum *>(this); }
-
-const Function *Symbol::asFunction() const
-{ return dynamic_cast<const Function *>(this); }
-
-const Namespace *Symbol::asNamespace() const
-{ return dynamic_cast<const Namespace *>(this); }
-
-const Class *Symbol::asClass() const
-{ return dynamic_cast<const Class *>(this); }
-
-const Block *Symbol::asBlock() const
-{ return dynamic_cast<const Block *>(this); }
-
-const UsingNamespaceDirective *Symbol::asUsingNamespaceDirective() const
-{ return dynamic_cast<const UsingNamespaceDirective *>(this); }
-
-const UsingDeclaration *Symbol::asUsingDeclaration() const
-{ return dynamic_cast<const UsingDeclaration *>(this); }
-
-const Declaration *Symbol::asDeclaration() const
-{ return dynamic_cast<const Declaration *>(this); }
-
-const Argument *Symbol::asArgument() const
-{ return dynamic_cast<const Argument *>(this); }
-
-const BaseClass *Symbol::asBaseClass() const
-{ return dynamic_cast<const BaseClass *>(this); }
-
-ScopedSymbol *Symbol::asScopedSymbol()
-{ return dynamic_cast<ScopedSymbol *>(this); }
-
-Enum *Symbol::asEnum()
-{ return dynamic_cast<Enum *>(this); }
-
-Function *Symbol::asFunction()
-{ return dynamic_cast<Function *>(this); }
-
-Namespace *Symbol::asNamespace()
-{ return dynamic_cast<Namespace *>(this); }
-
-Class *Symbol::asClass()
-{ return dynamic_cast<Class *>(this); }
-
-Block *Symbol::asBlock()
-{ return dynamic_cast<Block *>(this); }
-
-UsingNamespaceDirective *Symbol::asUsingNamespaceDirective()
-{ return dynamic_cast<UsingNamespaceDirective *>(this); }
-
-UsingDeclaration *Symbol::asUsingDeclaration()
-{ return dynamic_cast<UsingDeclaration *>(this); }
-
-Declaration *Symbol::asDeclaration()
-{ return dynamic_cast<Declaration *>(this); }
-
-Argument *Symbol::asArgument()
-{ return dynamic_cast<Argument *>(this); }
-
-BaseClass *Symbol::asBaseClass()
-{ return dynamic_cast<BaseClass *>(this); }
+{ return asBaseClass() != 0; }
 
 CPLUSPLUS_END_NAMESPACE

src/shared/cplusplus/Symbol.h

@@ -197,29 +197,29 @@ public:
     /// Returns true if this Symbol is a BaseClass.
     bool isBaseClass() const;
 
-    const ScopedSymbol *asScopedSymbol() const;
-    const Enum *asEnum() const;
-    const Function *asFunction() const;
-    const Namespace *asNamespace() const;
-    const Class *asClass() const;
-    const Block *asBlock() const;
-    const UsingNamespaceDirective *asUsingNamespaceDirective() const;
-    const UsingDeclaration *asUsingDeclaration() const;
-    const Declaration *asDeclaration() const;
-    const Argument *asArgument() const;
-    const BaseClass *asBaseClass() const;
+    virtual const ScopedSymbol *asScopedSymbol() const { return 0; }
+    virtual const Enum *asEnum() const { return 0; }
+    virtual const Function *asFunction() const { return 0; }
+    virtual const Namespace *asNamespace() const { return 0; }
+    virtual const Class *asClass() const { return 0; }
+    virtual const Block *asBlock() const { return 0; }
+    virtual const UsingNamespaceDirective *asUsingNamespaceDirective() const { return 0; }
+    virtual const UsingDeclaration *asUsingDeclaration() const { return 0; }
+    virtual const Declaration *asDeclaration() const { return 0; }
+    virtual const Argument *asArgument() const { return 0; }
+    virtual const BaseClass *asBaseClass() const { return 0; }
 
-    ScopedSymbol *asScopedSymbol();
-    Enum *asEnum();
-    Function *asFunction();
-    Namespace *asNamespace();
-    Class *asClass();
-    Block *asBlock();
-    UsingNamespaceDirective *asUsingNamespaceDirective();
-    UsingDeclaration *asUsingDeclaration();
-    Declaration *asDeclaration();
-    Argument *asArgument();
-    BaseClass *asBaseClass();
+    virtual ScopedSymbol *asScopedSymbol() { return 0; }
+    virtual Enum *asEnum() { return 0; }
+    virtual Function *asFunction() { return 0; }
+    virtual Namespace *asNamespace() { return 0; }
+    virtual Class *asClass() { return 0; }
+    virtual Block *asBlock() { return 0; }
+    virtual UsingNamespaceDirective *asUsingNamespaceDirective() { return 0; }
+    virtual UsingDeclaration *asUsingDeclaration() { return 0; }
+    virtual Declaration *asDeclaration() { return 0; }
+    virtual Argument *asArgument() { return 0; }
+    virtual BaseClass *asBaseClass() { return 0; }
 
     /// Returns this Symbol's type.
     virtual FullySpecifiedType type() const = 0;

src/shared/cplusplus/Symbols.h

@@ -71,6 +71,12 @@ public:
     // Symbol's interface
     virtual FullySpecifiedType type() const;
 
+    virtual const UsingNamespaceDirective *asUsingNamespaceDirective() const
+    { return this; }
+
+    virtual UsingNamespaceDirective *asUsingNamespaceDirective()
+    { return this; }
+
 protected:
     virtual void visitSymbol0(SymbolVisitor *visitor);
 };
@@ -84,6 +90,12 @@ public:
     // Symbol's interface
     virtual FullySpecifiedType type() const;
 
+    virtual const UsingDeclaration *asUsingDeclaration() const
+    { return this; }
+
+    virtual UsingDeclaration *asUsingDeclaration()
+    { return this; }
+
 protected:
     virtual void visitSymbol0(SymbolVisitor *visitor);
 };
@@ -105,6 +117,12 @@ public:
     // Symbol's interface
     virtual FullySpecifiedType type() const;
 
+    virtual const Declaration *asDeclaration() const
+    { return this; }
+
+    virtual Declaration *asDeclaration()
+    { return this; }
+
 protected:
     virtual void visitSymbol0(SymbolVisitor *visitor);
 
@@ -127,6 +145,12 @@ public:
     // Symbol's interface
     virtual FullySpecifiedType type() const;
 
+    virtual const Argument *asArgument() const
+    { return this; }
+
+    virtual Argument *asArgument()
+    { return this; }
+
 protected:
     virtual void visitSymbol0(SymbolVisitor *visitor);
 
@@ -146,6 +170,12 @@ public:
     Scope *members() const;
     void addMember(Symbol *member);
 
+    virtual const ScopedSymbol *asScopedSymbol() const
+    { return this; }
+
+    virtual ScopedSymbol *asScopedSymbol()
+    { return this; }
+
 private:
     Scope *_members;
 };
@@ -159,6 +189,12 @@ public:
     // Symbol's interface
     virtual FullySpecifiedType type() const;
 
+    virtual const Block *asBlock() const
+    { return this; }
+
+    virtual Block *asBlock()
+    { return this; }
+
 protected:
     virtual void visitSymbol0(SymbolVisitor *visitor);
 };
@@ -175,6 +211,12 @@ public:
     // Type's interface
     virtual bool isEqualTo(const Type *other) const;
 
+    virtual const Enum *asEnum() const
+    { return this; }
+
+    virtual Enum *asEnum()
+    { return this; }
+
 protected:
     virtual void visitSymbol0(SymbolVisitor *visitor);
     virtual void accept0(TypeVisitor *visitor);
@@ -230,6 +272,12 @@ public:
     // Type's interface
     virtual bool isEqualTo(const Type *other) const;
 
+    virtual const Function *asFunction() const
+    { return this; }
+
+    virtual Function *asFunction()
+    { return this; }
+
 protected:
     virtual void visitSymbol0(SymbolVisitor *visitor);
     virtual void accept0(TypeVisitor *visitor);
@@ -264,6 +312,12 @@ public:
     // Type's interface
     virtual bool isEqualTo(const Type *other) const;
 
+    virtual const Namespace *asNamespace() const
+    { return this; }
+
+    virtual Namespace *asNamespace()
+    { return this; }
+
 protected:
     virtual void visitSymbol0(SymbolVisitor *visitor);
     virtual void accept0(TypeVisitor *visitor);
@@ -281,6 +335,12 @@ public:
     // Symbol's interface
     virtual FullySpecifiedType type() const;
 
+    virtual const BaseClass *asBaseClass() const
+    { return this; }
+
+    virtual BaseClass *asBaseClass()
+    { return this; }
+
 protected:
     virtual void visitSymbol0(SymbolVisitor *visitor);
 
@@ -322,6 +382,12 @@ public:
     // Type's interface
     virtual bool isEqualTo(const Type *other) const;
 
+    virtual const Class *asClass() const
+    { return this; }
+
+    virtual Class *asClass()
+    { return this; }
+
 protected:
     virtual void visitSymbol0(SymbolVisitor *visitor);
     virtual void accept0(TypeVisitor *visitor);