// This file is automatically generated by Demeter/Java.

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

  before -> A, b, B (@
    if (is_equal) {
      A obj = (A) history.peek();
      history.push(obj.get_b());
    }
  @)
  after -> A, b, B (@
    if (is_equal) history.pop();
  @)

  before -> A, e, E (@
    if (is_equal) {
      A obj = (A) history.peek();
      history.push(obj.get_e());
    }
  @)
  after -> A, e, E (@
    if (is_equal) history.pop();
  @)

  before A (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());  @)

  before -> B, d, D (@
    if (is_equal) {
      B obj = (B) history.peek();
      history.push(obj.get_d());
    }
  @)
  after -> B, d, D (@
    if (is_equal) history.pop();
  @)

  before -> B, e, E (@
    if (is_equal) {
      B obj = (B) history.peek();
      history.push(obj.get_e());
    }
  @)
  after -> B, e, E (@
    if (is_equal) history.pop();
  @)

  before -> B, x, X (@
    if (is_equal) {
      B obj = (B) history.peek();
      history.push(obj.get_x());
    }
  @)
  after -> B, x, X (@
    if (is_equal) history.pop();
  @)

  before B (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());  @)

  before -> D, c, C (@
    if (is_equal) {
      D obj = (D) history.peek();
      history.push(obj.get_c());
    }
  @)
  after -> D, c, C (@
    if (is_equal) history.pop();
  @)

  before D (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());  @)

  before -> E, c, C (@
    if (is_equal) {
      E obj = (E) history.peek();
      history.push(obj.get_c());
    }
  @)
  after -> E, c, C (@
    if (is_equal) history.pop();
  @)

  before E (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());  @)

  before C (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());  @)

  before -> X, c, C (@
    if (is_equal) {
      X obj = (X) history.peek();
      history.push(obj.get_c());
    }
  @)
  after -> X, c, C (@
    if (is_equal) history.pop();
  @)

  before X (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());  @)

  before Main (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());  @)

  before Count_C_Visitor (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass())
      && host.get_c() == ((Count_C_Visitor) obj).get_c();  @)

  before PrintVisitor (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass())
      && host.get_indent() == ((PrintVisitor) obj).get_indent()
      && host.get_needSpace() == ((PrintVisitor) obj).get_needSpace();  @)

  before CopyVisitor (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());  @)

  before EqualVisitor (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass())
      && host.get_is_equal() == ((EqualVisitor) obj).get_is_equal();  @)

  before DisplayVisitor (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass())
      && host.get_indent() == ((DisplayVisitor) obj).get_indent();  @)

  before TraceVisitor (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass())
      && host.get_indent() == ((TraceVisitor) obj).get_indent();  @)

  before UniversalVisitor (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());  @)

  return boolean (@ is_equal @)
}