import edu.neu.ccs.demeter.dj.*;
import java.util.*;
import edu.neu.ccs.demeter.*;
 class Kernel_Sandwich {
  protected Syntax_vertex_List first;
  public Syntax_vertex_List get_first() { return first;   }
  public void set_first(Syntax_vertex_List new_first) { first = new_first;   }
  protected Kernel inner;
  public Kernel get_inner() { return inner;   }
  public void set_inner(Kernel new_inner) { inner = new_inner;   }
  protected Syntax_vertex_List second;
  public Syntax_vertex_List get_second() { return second;   }
  public void set_second(Syntax_vertex_List new_second) { second = new_second;   }
  public Kernel_Sandwich() { super();   }
  public Kernel_Sandwich(Syntax_vertex_List first, Kernel inner, Syntax_vertex_List second) {
    super();
    set_first(first);
    set_inner(inner);
    set_second(second);
    }
  public static Kernel_Sandwich parse(java.io.Reader in) throws ParseException { return new Parser(in)._Kernel_Sandwich();   }
  public static Kernel_Sandwich parse(java.io.InputStream in) throws ParseException { return new Parser(in)._Kernel_Sandwich();   }
  public static Kernel_Sandwich parse(String s) {
    try { return parse(new java.io.StringReader(s)); }
    catch (ParseException e) {
      throw new RuntimeException(e.toString());
    }
    }
    void universal_trv0_bef(UniversalVisitor _v_) {
    ((UniversalVisitor) _v_).before(this);
  }

    void universal_trv0_aft(UniversalVisitor _v_) {
    ((UniversalVisitor) _v_).after(this);
  }

    void universal_trv0(UniversalVisitor _v_) {
    universal_trv0_bef(_v_);
    ((UniversalVisitor) _v_).before_first(this, first);
    first.universal_trv0(_v_);
    ((UniversalVisitor) _v_).after_first(this, first);
    ((UniversalVisitor) _v_).before_inner(this, inner);
    inner.universal_trv0(_v_);
    ((UniversalVisitor) _v_).after_inner(this, inner);
    ((UniversalVisitor) _v_).before_second(this, second);
    second.universal_trv0(_v_);
    ((UniversalVisitor) _v_).after_second(this, second);
    universal_trv0_aft(_v_);
  }

    void __trav_display_Cd_graph_trv_bef(DisplayVisitor __v0) {
    ((DisplayVisitor) __v0).before(this);
  }

    void __trav_display_Cd_graph_trv_aft(DisplayVisitor __v0) {
    ((DisplayVisitor) __v0).after(this);
  }

    void __trav_display_Cd_graph_trv(DisplayVisitor __v0) {
    __trav_display_Cd_graph_trv_bef(__v0);
    ((DisplayVisitor) __v0).before_first(this, first);
    first.__trav_display_Cd_graph_trv(__v0);
    ((UniversalVisitor) __v0).after_first(this, first);
    ((DisplayVisitor) __v0).before_inner(this, inner);
    inner.__trav_display_Cd_graph_trv(__v0);
    ((UniversalVisitor) __v0).after_inner(this, inner);
    ((DisplayVisitor) __v0).before_second(this, second);
    second.__trav_display_Cd_graph_trv(__v0);
    ((UniversalVisitor) __v0).after_second(this, second);
    __trav_display_Cd_graph_trv_aft(__v0);
  }

}