// 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 -> Formula, clauses, ClauseList {{
    if (is_equal) {
      Formula obj = (Formula) history.peek();
      Object temp1 = obj.get_clauses();
      if(temp1==null) { is_equal = false; return; }
      history.push(temp1);
    }
  }}
  after -> Formula, clauses, ClauseList {{
    if (is_equal) history.pop();
  }}

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

  before -> Clause, weight, Weight {{
    if (is_equal) {
      Clause obj = (Clause) history.peek();
      Object temp2 = obj.get_weight();
      if(temp2==null) { is_equal = false; return; }
      history.push(temp2);
    }
  }}
  after -> Clause, weight, Weight {{
    if (is_equal) history.pop();
  }}

  before -> Clause, literallist, LiteralList {{
    if (is_equal) {
      Clause obj = (Clause) history.peek();
      Object temp3 = obj.get_literallist();
      if(temp3==null) { is_equal = false; return; }
      history.push(temp3);
    }
  }}
  after -> Clause, literallist, LiteralList {{
    if (is_equal) history.pop();
  }}

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

  before -> Literal, variable, Variable {{
    if (is_equal) {
      Literal obj = (Literal) history.peek();
      Object temp4 = obj.get_variable();
      if(temp4==null) { is_equal = false; return; }
      history.push(temp4);
    }
  }}
  after -> Literal, variable, Variable {{
    if (is_equal) history.pop();
  }}

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

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

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

  before Variable {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp5 = host.get_integer();
    Object temp6 = ((Variable) obj).get_integer();
    if(temp5 == null && temp6 == null) {}
    else if(temp5 == null ||
            temp6 == null ||
            !temp5.equals(temp6)) { is_equal = false; return; }
  }}

  before Weight {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp7 = host.get_v();
    Object temp8 = ((Weight) obj).get_v();
    if(temp7 == null && temp8 == null) {}
    else if(temp7 == null ||
            temp8 == null ||
            !temp7.equals(temp8)) { is_equal = false; return; }
  }}

  before Main {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp9 = host.get_s();
    Object temp10 = ((Main) obj).get_s();
    if(temp9 == null && temp10 == null) {}
    else if(temp9 == null ||
            temp10 == null ||
            !temp9.equals(temp10)) { is_equal = false; return; }
  }}

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

  before -> ClauseCons, first, Clause {{
    if (is_equal) {
      ClauseCons obj = (ClauseCons) history.peek();
      Object temp11 = obj.get_first();
      if(temp11==null) { is_equal = false; return; }
      history.push(temp11);
    }
  }}
  after -> ClauseCons, first, Clause {{
    if (is_equal) history.pop();
  }}

  before -> ClauseCons, rest, ClauseList {{
    if (is_equal) {
      ClauseCons obj = (ClauseCons) history.peek();
      Object temp12 = obj.get_rest();
      if(temp12==null) { is_equal = false; return; }
      history.push(temp12);
    }
  }}
  after -> ClauseCons, rest, ClauseList {{
    if (is_equal) history.pop();
  }}

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

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

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

  before -> LiteralCons, first, Literal {{
    if (is_equal) {
      LiteralCons obj = (LiteralCons) history.peek();
      Object temp13 = obj.get_first();
      if(temp13==null) { is_equal = false; return; }
      history.push(temp13);
    }
  }}
  after -> LiteralCons, first, Literal {{
    if (is_equal) history.pop();
  }}

  before -> LiteralCons, rest, LiteralList {{
    if (is_equal) {
      LiteralCons obj = (LiteralCons) history.peek();
      Object temp14 = obj.get_rest();
      if(temp14==null) { is_equal = false; return; }
      history.push(temp14);
    }
  }}
  after -> LiteralCons, rest, LiteralList {{
    if (is_equal) history.pop();
  }}

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

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

  before -> ReduceVisitor, curLiteral, Literal {{
    if (is_equal) {
      ReduceVisitor obj = (ReduceVisitor) history.peek();
      Object temp15 = obj.get_curLiteral();
      if(temp15==null) { is_equal = false; return; }
      history.push(temp15);
    }
  }}
  after -> ReduceVisitor, curLiteral, Literal {{
    if (is_equal) history.pop();
  }}

  before -> ReduceVisitor, newClauses, ClauseList {{
    if (is_equal) {
      ReduceVisitor obj = (ReduceVisitor) history.peek();
      Object temp16 = obj.get_newClauses();
      if(temp16==null) { is_equal = false; return; }
      history.push(temp16);
    }
  }}
  after -> ReduceVisitor, newClauses, ClauseList {{
    if (is_equal) history.pop();
  }}

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

  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 temp17 = host.get_copy();
    Object temp18 = ((CopyVisitor) obj).get_copy();
    if(temp17 == null && temp18 == null) {}
    else if(temp17 == null ||
            temp18 == null ||
            !temp17.equals(temp18)) { 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;
  }}

  return boolean {{ is_equal }}
}