visitor.hh

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#ifndef TREE_VISITOR_HH
# define TREE_VISITOR_HH

# include <misc/select-const.hh>
# include <tree/fwd.hh>

namespace tree
{

  template <template <typename> class Const>
  class GenVisitor
  {
  public:
    virtual ~GenVisitor();
  public:
    virtual void operator()(typename Const<ProcFrag>::type& a);
    virtual void operator()(typename Const<DataFrag>::type& a);
    template <class E> void operator()(E* e);

    virtual void operator()(typename Const<Fragments>::type& fs);
  };

  typedef GenVisitor<misc::constify_traits> ConstVisitor;
  typedef GenVisitor<misc::id_traits> Visitor;

} // namespace tree

# include <tree/visitor.hxx>

#endif // !TREE_VISITOR_HH