// 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, constraint_list, Constraint_List {{
    if (is_equal) {
      CSP obj = (CSP) history.peek();
      Object temp1 = obj.get_constraint_list();
      if(temp1==null) { is_equal = false; return; }
      history.push(temp1);
    }
  }}
  after -> CSP, constraint_list, 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 -> Constraint, vars, Variable_List {{
    if (is_equal) {
      Constraint obj = (Constraint) history.peek();
      Object temp2 = obj.get_vars();
      if(temp2==null) { is_equal = false; return; }
      history.push(temp2);
    }
  }}
  after -> Constraint, vars, 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;
    is_equal = is_equal && host.get_relationNumber() == ((Constraint) obj).get_relationNumber();
  }}

  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 ForcedVisitor {{
    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;
  }}

  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 temp3 = host.get_copy();
    Object temp4 = ((CopyVisitor) obj).get_copy();
    if(temp3 == null && temp4 == null) {}
    else if(temp3 == null ||
            temp4 == null ||
            !temp3.equals(temp4)) { 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 -> Constraint_List, first, Nonempty_Constraint_List {{
    if (is_equal) {
      Constraint_List obj = (Constraint_List) history.peek();
      Object temp5 = obj.get_first();
      if(temp5==null) { is_equal = false; return; }
      history.push(temp5);
    }
  }}
  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 temp6 = obj.get_first();
      if(temp6==null) { is_equal = false; return; }
      history.push(temp6);
    }
  }}
  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_Constraint_List, it, Constraint {{
    if (is_equal) {
      Nonempty_Constraint_List obj = (Nonempty_Constraint_List) history.peek();
      Object temp7 = obj.get_it();
      if(temp7==null) { is_equal = false; return; }
      history.push(temp7);
    }
  }}
  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 temp8 = obj.get_next();
      if(temp8==null) { is_equal = false; return; }
      history.push(temp8);
    }
  }}
  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 temp9 = obj.get_it();
      if(temp9==null) { is_equal = false; return; }
      history.push(temp9);
    }
  }}
  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 temp10 = obj.get_next();
      if(temp10==null) { is_equal = false; return; }
      history.push(temp10);
    }
  }}
  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 }}
}