// 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, satopt, SatOpt {{
    if (is_equal) {
      Formula obj = (Formula) history.peek();
      Object temp2 = obj.get_satopt();
      if(temp2==null) { is_equal = false; return; }
      history.push(temp2);
    }
  }}
  after -> Formula, satopt, SatOpt {{
    if (is_equal) history.pop();
  }}

  before -> Formula, unsatopt, UnsatOpt {{
    if (is_equal) {
      Formula obj = (Formula) history.peek();
      Object temp3 = obj.get_unsatopt();
      if(temp3==null) { is_equal = false; return; }
      history.push(temp3);
    }
  }}
  after -> Formula, unsatopt, UnsatOpt {{
    if (is_equal) history.pop();
  }}

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

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

  before SatCount {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp4 = host.get_sats();
    Object temp5 = ((SatCount) obj).get_sats();
    if(temp4 == null && temp5 == null) {}
    else if(temp4 == null ||
            temp5 == null ||
            !temp4.equals(temp5)) { is_equal = false; return; }
  }}

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

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

  before UnsatCount {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp6 = host.get_unsats();
    Object temp7 = ((UnsatCount) obj).get_unsats();
    if(temp6 == null && temp7 == null) {}
    else if(temp6 == null ||
            temp7 == null ||
            !temp6.equals(temp7)) { is_equal = false; return; }
  }}

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

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

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

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

  before -> ConcreteClause, weight, Weight {{
    if (is_equal) {
      ConcreteClause obj = (ConcreteClause) history.peek();
      Object temp8 = obj.get_weight();
      if(temp8==null) { is_equal = false; return; }
      history.push(temp8);
    }
  }}
  after -> ConcreteClause, weight, Weight {{
    if (is_equal) history.pop();
  }}

  before -> ConcreteClause, literals, Literals {{
    if (is_equal) {
      ConcreteClause obj = (ConcreteClause) history.peek();
      Object temp9 = obj.get_literals();
      if(temp9==null) { is_equal = false; return; }
      history.push(temp9);
    }
  }}
  after -> ConcreteClause, literals, Literals {{
    if (is_equal) history.pop();
  }}

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

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

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

  before UnsatLiteral {{
    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 temp10 = obj.get_variable();
      if(temp10==null) { is_equal = false; return; }
      history.push(temp10);
    }
  }}
  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 temp11 = host.get_integer();
    Object temp12 = ((Variable) obj).get_integer();
    if(temp11 == null && temp12 == null) {}
    else if(temp11 == null ||
            temp12 == null ||
            !temp11.equals(temp12)) { is_equal = false; return; }
  }}

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

  before Main {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp15 = host.get_s();
    Object temp16 = ((Main) obj).get_s();
    if(temp15 == null && temp16 == null) {}
    else if(temp15 == null ||
            temp16 == null ||
            !temp15.equals(temp16)) { 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 temp17 = obj.get_first();
      if(temp17==null) { is_equal = false; return; }
      history.push(temp17);
    }
  }}
  after -> ClauseCons, first, Clause {{
    if (is_equal) history.pop();
  }}

  before -> ClauseCons, rest, ClauseList {{
    if (is_equal) {
      ClauseCons obj = (ClauseCons) history.peek();
      Object temp18 = obj.get_rest();
      if(temp18==null) { is_equal = false; return; }
      history.push(temp18);
    }
  }}
  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 temp19 = obj.get_first();
      if(temp19==null) { is_equal = false; return; }
      history.push(temp19);
    }
  }}
  after -> LiteralCons, first, Literal {{
    if (is_equal) history.pop();
  }}

  before -> LiteralCons, rest, LiteralList {{
    if (is_equal) {
      LiteralCons obj = (LiteralCons) history.peek();
      Object temp20 = obj.get_rest();
      if(temp20==null) { is_equal = false; return; }
      history.push(temp20);
    }
  }}
  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 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 temp21 = host.get_copy();
    Object temp22 = ((CopyVisitor) obj).get_copy();
    if(temp21 == null && temp22 == null) {}
    else if(temp21 == null ||
            temp22 == null ||
            !temp21.equals(temp22)) { 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 }}
}