virtual void visit(VariableReference &);
virtual void visit(InterfaceBlockReference &);
virtual void visit(MemberAccess &);
+ virtual void visit(UnaryExpression &);
virtual void visit(BinaryExpression &);
virtual void visit(Assignment &);
+ virtual void visit(FunctionCall &);
virtual void visit(StructDeclaration &);
virtual void visit(VariableDeclaration &);
virtual void visit(InterfaceBlock &);