// This file is automatically generated by DemeterJ.

EqualVisitor {
  {{
    private java.util.Stack history = new java.util.Stack();
    public EqualVisitor(Object obj) {
      history.push(obj);
    }
  }}

  before -> TraversalDef, tn, TraversalName {{
    if (is_equal) {
      TraversalDef obj = (TraversalDef) history.peek();
      Object temp1 = obj.get_tn();
      if(temp1==null) { is_equal = false; return; }
      history.push(temp1);
    }
  }}
  after -> TraversalDef, tn, TraversalName {{
    if (is_equal) history.pop();
  }}

  before -> TraversalDef, rhs, Itinerary {{
    if (is_equal) {
      TraversalDef obj = (TraversalDef) history.peek();
      Object temp2 = obj.get_rhs();
      if(temp2==null) { is_equal = false; return; }
      history.push(temp2);
    }
  }}
  after -> TraversalDef, rhs, Itinerary {{
    if (is_equal) history.pop();
  }}

  before TraversalDef {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before TraversalName {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp3 = host.get_ident();
    Object temp4 = ((TraversalName) obj).get_ident();
    if(temp3 == null && temp4 == null) {}
    else if(temp3 == null ||
            temp4 == null ||
            !temp3.equals(temp4)) { is_equal = false; return; }
  }}

  before -> Itinerary, first, Nonempty_Itinerary {{
    if (is_equal) {
      Itinerary obj = (Itinerary) history.peek();
      Object temp5 = obj.get_first();
      if(temp5==null) { is_equal = false; return; }
      history.push(temp5);
    }
  }}
  after -> Itinerary, first, Nonempty_Itinerary {{
    if (is_equal) history.pop();
  }}

  before Itinerary {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before Path {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before Direct {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> NoTag, snode, SNode {{
    if (is_equal) {
      NoTag obj = (NoTag) history.peek();
      Object temp6 = obj.get_snode();
      if(temp6==null) { is_equal = false; return; }
      history.push(temp6);
    }
  }}
  after -> NoTag, snode, SNode {{
    if (is_equal) history.pop();
  }}

  before -> NoTag, tnode, TNode {{
    if (is_equal) {
      NoTag obj = (NoTag) history.peek();
      Object temp7 = obj.get_tnode();
      if(temp7==null) { is_equal = false; return; }
      history.push(temp7);
    }
  }}
  after -> NoTag, tnode, TNode {{
    if (is_equal) history.pop();
  }}

  before NoTag {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before Tag {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> SourceTag, snode, SNode {{
    if (is_equal) {
      SourceTag obj = (SourceTag) history.peek();
      Object temp8 = obj.get_snode();
      if(temp8==null) { is_equal = false; return; }
      history.push(temp8);
    }
  }}
  after -> SourceTag, snode, SNode {{
    if (is_equal) history.pop();
  }}

  before -> SourceTag, tnode, TNode {{
    if (is_equal) {
      SourceTag obj = (SourceTag) history.peek();
      Object temp9 = obj.get_tnode();
      if(temp9==null) { is_equal = false; return; }
      history.push(temp9);
    }
  }}
  after -> SourceTag, tnode, TNode {{
    if (is_equal) history.pop();
  }}

  before SourceTag {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> TarTag, snode, SNode {{
    if (is_equal) {
      TarTag obj = (TarTag) history.peek();
      Object temp10 = obj.get_snode();
      if(temp10==null) { is_equal = false; return; }
      history.push(temp10);
    }
  }}
  after -> TarTag, snode, SNode {{
    if (is_equal) history.pop();
  }}

  before -> TarTag, tnode, TNode {{
    if (is_equal) {
      TarTag obj = (TarTag) history.peek();
      Object temp11 = obj.get_tnode();
      if(temp11==null) { is_equal = false; return; }
      history.push(temp11);
    }
  }}
  after -> TarTag, tnode, TNode {{
    if (is_equal) history.pop();
  }}

  before TarTag {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Bypass, first, Nonempty_Bypass {{
    if (is_equal) {
      Bypass obj = (Bypass) history.peek();
      Object temp12 = obj.get_first();
      if(temp12==null) { is_equal = false; return; }
      history.push(temp12);
    }
  }}
  after -> Bypass, first, Nonempty_Bypass {{
    if (is_equal) history.pop();
  }}

  before Bypass {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before SNode {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp13 = host.get_ident();
    Object temp14 = ((SNode) obj).get_ident();
    if(temp13 == null && temp14 == null) {}
    else if(temp13 == null ||
            temp14 == null ||
            !temp13.equals(temp14)) { is_equal = false; return; }
  }}

  before TNode {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp15 = host.get_ident();
    Object temp16 = ((TNode) obj).get_ident();
    if(temp15 == null && temp16 == null) {}
    else if(temp15 == null ||
            temp16 == null ||
            !temp15.equals(temp16)) { is_equal = false; return; }
  }}

  before Node {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp17 = host.get_ident();
    Object temp18 = ((Node) obj).get_ident();
    if(temp17 == null && temp18 == null) {}
    else if(temp17 == null ||
            temp18 == null ||
            !temp17.equals(temp18)) { is_equal = false; return; }
  }}

  before -> Main, tdef, TraversalDef {{
    if (is_equal) {
      Main obj = (Main) history.peek();
      Object temp19 = obj.get_tdef();
      if(temp19==null) { is_equal = false; return; }
      history.push(temp19);
    }
  }}
  after -> Main, tdef, TraversalDef {{
    if (is_equal) history.pop();
  }}

  before Main {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before PrintVisitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_indent() == ((PrintVisitor) obj).get_indent();
    is_equal = is_equal && host.get_needSpace() == ((PrintVisitor) obj).get_needSpace();
  }}

  before CopyVisitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp20 = host.get_copy();
    Object temp21 = ((CopyVisitor) obj).get_copy();
    if(temp20 == null && temp21 == null) {}
    else if(temp20 == null ||
            temp21 == null ||
            !temp20.equals(temp21)) { is_equal = false; return; }
  }}

  before SubgraphVisitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_is_equal() == ((SubgraphVisitor) obj).get_is_equal();
  }}

  before EqualVisitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_is_equal() == ((EqualVisitor) obj).get_is_equal();
  }}

  before DisplayVisitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_indent() == ((DisplayVisitor) obj).get_indent();
  }}

  before TraceVisitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_indent() == ((TraceVisitor) obj).get_indent();
  }}

  before UniversalVisitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Nonempty_Itinerary, it, Path {{
    if (is_equal) {
      Nonempty_Itinerary obj = (Nonempty_Itinerary) history.peek();
      Object temp22 = obj.get_it();
      if(temp22==null) { is_equal = false; return; }
      history.push(temp22);
    }
  }}
  after -> Nonempty_Itinerary, it, Path {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_Itinerary, next, Nonempty_Itinerary {{
    if (is_equal) {
      Nonempty_Itinerary obj = (Nonempty_Itinerary) history.peek();
      Object temp23 = obj.get_next();
      if(temp23==null) { is_equal = false; return; }
      history.push(temp23);
    }
  }}
  after -> Nonempty_Itinerary, next, Nonempty_Itinerary {{
    if (is_equal) history.pop();
  }}

  before Nonempty_Itinerary {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Nonempty_Bypass, it, Node {{
    if (is_equal) {
      Nonempty_Bypass obj = (Nonempty_Bypass) history.peek();
      Object temp24 = obj.get_it();
      if(temp24==null) { is_equal = false; return; }
      history.push(temp24);
    }
  }}
  after -> Nonempty_Bypass, it, Node {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_Bypass, next, Nonempty_Bypass {{
    if (is_equal) {
      Nonempty_Bypass obj = (Nonempty_Bypass) history.peek();
      Object temp25 = obj.get_next();
      if(temp25==null) { is_equal = false; return; }
      history.push(temp25);
    }
  }}
  after -> Nonempty_Bypass, next, Nonempty_Bypass {{
    if (is_equal) history.pop();
  }}

  before Nonempty_Bypass {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  return boolean {{ is_equal }}
}