// This file is automatically generated by DemeterJ.

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

  before -> CSP, comments, Comment_List {{
    if (is_equal) {
      CSP obj = (CSP) history.peek();
      Object temp1 = obj.get_comments();
      if(temp1==null) { is_equal = false; return; }
      history.push(temp1);
    }
  }}
  after -> CSP, comments, Comment_List {{
    if (is_equal) history.pop();
  }}

  before -> CSP, preamble, Preamble {{
    if (is_equal) {
      CSP obj = (CSP) history.peek();
      Object temp2 = obj.get_preamble();
      if(temp2==null) { is_equal = false; return; }
      history.push(temp2);
    }
  }}
  after -> CSP, preamble, Preamble {{
    if (is_equal) history.pop();
  }}

  before -> CSP, constraints, Constraint_List {{
    if (is_equal) {
      CSP obj = (CSP) history.peek();
      Object temp3 = obj.get_constraints();
      if(temp3==null) { is_equal = false; return; }
      history.push(temp3);
    }
  }}
  after -> CSP, constraints, Constraint_List {{
    if (is_equal) history.pop();
  }}

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

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

  before -> Preamble, rank, Rank {{
    if (is_equal) {
      Preamble obj = (Preamble) history.peek();
      Object temp6 = obj.get_rank();
      if(temp6==null) { is_equal = false; return; }
      history.push(temp6);
    }
  }}
  after -> Preamble, rank, Rank {{
    if (is_equal) history.pop();
  }}

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

  before -> Constraint, relation, Relation {{
    if (is_equal) {
      Constraint obj = (Constraint) history.peek();
      Object temp7 = obj.get_relation();
      if(temp7==null) { is_equal = false; return; }
      history.push(temp7);
    }
  }}
  after -> Constraint, relation, Relation {{
    if (is_equal) history.pop();
  }}

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

  before -> Constraint, variable_list, Variable_List {{
    if (is_equal) {
      Constraint obj = (Constraint) history.peek();
      Object temp9 = obj.get_variable_list();
      if(temp9==null) { is_equal = false; return; }
      history.push(temp9);
    }
  }}
  after -> Constraint, variable_list, Variable_List {{
    if (is_equal) history.pop();
  }}

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

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

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

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

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

  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 temp10 = host.get_copy();
    Object temp11 = ((CopyVisitor) obj).get_copy();
    if(temp10 == null && temp11 == null) {}
    else if(temp10 == null ||
            temp11 == null ||
            !temp10.equals(temp11)) { 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 -> Comment_List, first, Nonempty_Comment_List {{
    if (is_equal) {
      Comment_List obj = (Comment_List) history.peek();
      Object temp12 = obj.get_first();
      if(temp12==null) { is_equal = false; return; }
      history.push(temp12);
    }
  }}
  after -> Comment_List, first, Nonempty_Comment_List {{
    if (is_equal) history.pop();
  }}

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

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

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

  before -> Variable_List, first, Nonempty_Variable_List {{
    if (is_equal) {
      Variable_List obj = (Variable_List) history.peek();
      Object temp14 = obj.get_first();
      if(temp14==null) { is_equal = false; return; }
      history.push(temp14);
    }
  }}
  after -> Variable_List, first, Nonempty_Variable_List {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_Comment_List, it, Comment {{
    if (is_equal) {
      Nonempty_Comment_List obj = (Nonempty_Comment_List) history.peek();
      Object temp15 = obj.get_it();
      if(temp15==null) { is_equal = false; return; }
      history.push(temp15);
    }
  }}
  after -> Nonempty_Comment_List, it, Comment {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_Comment_List, next, Nonempty_Comment_List {{
    if (is_equal) {
      Nonempty_Comment_List obj = (Nonempty_Comment_List) history.peek();
      Object temp16 = obj.get_next();
      if(temp16==null) { is_equal = false; return; }
      history.push(temp16);
    }
  }}
  after -> Nonempty_Comment_List, next, Nonempty_Comment_List {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_Constraint_List, it, Constraint {{
    if (is_equal) {
      Nonempty_Constraint_List obj = (Nonempty_Constraint_List) history.peek();
      Object temp17 = obj.get_it();
      if(temp17==null) { is_equal = false; return; }
      history.push(temp17);
    }
  }}
  after -> Nonempty_Constraint_List, it, Constraint {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_Constraint_List, next, Nonempty_Constraint_List {{
    if (is_equal) {
      Nonempty_Constraint_List obj = (Nonempty_Constraint_List) history.peek();
      Object temp18 = obj.get_next();
      if(temp18==null) { is_equal = false; return; }
      history.push(temp18);
    }
  }}
  after -> Nonempty_Constraint_List, next, Nonempty_Constraint_List {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_Variable_List, it, Variable {{
    if (is_equal) {
      Nonempty_Variable_List obj = (Nonempty_Variable_List) history.peek();
      Object temp19 = obj.get_it();
      if(temp19==null) { is_equal = false; return; }
      history.push(temp19);
    }
  }}
  after -> Nonempty_Variable_List, it, Variable {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_Variable_List, next, Nonempty_Variable_List {{
    if (is_equal) {
      Nonempty_Variable_List obj = (Nonempty_Variable_List) history.peek();
      Object temp20 = obj.get_next();
      if(temp20==null) { is_equal = false; return; }
      history.push(temp20);
    }
  }}
  after -> Nonempty_Variable_List, next, Nonempty_Variable_List {{
    if (is_equal) history.pop();
  }}

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

  return boolean {{ is_equal }}
}