// 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 -> A, b_list, B_List {{
    if (is_equal) {
      A obj = (A) history.peek();
      Object temp1 = obj.get_b_list();
      if(temp1==null) { is_equal = false; return; }
      history.push(temp1);
    }
  }}
  after -> A, b_list, B_List {{
    if (is_equal) history.pop();
  }}

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

  before -> B, y, Y {{
    if (is_equal) {
      B obj = (B) history.peek();
      Object temp2 = obj.get_y();
      if(temp2==null) { is_equal = false; return; }
      history.push(temp2);
    }
  }}
  after -> B, y, Y {{
    if (is_equal) history.pop();
  }}

  before -> B, z, Z {{
    if (is_equal) {
      B obj = (B) history.peek();
      Object temp3 = obj.get_z();
      if(temp3==null) { is_equal = false; return; }
      history.push(temp3);
    }
  }}
  after -> B, z, Z {{
    if (is_equal) history.pop();
  }}

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

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

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

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

  before Z {{
    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;
    Object temp4 = host.get_s();
    Object temp5 = ((Main) obj).get_s();
    if(temp4 == null && temp5 == null) {}
    else if(temp4 == null ||
            temp5 == null ||
            !temp4.equals(temp5)) { is_equal = false; 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 temp6 = host.get_copy();
    Object temp7 = ((CopyVisitor) obj).get_copy();
    if(temp6 == null && temp7 == null) {}
    else if(temp6 == null ||
            temp7 == null ||
            !temp6.equals(temp7)) { 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 -> B_List, first, Nonempty_B_List {{
    if (is_equal) {
      B_List obj = (B_List) history.peek();
      Object temp8 = obj.get_first();
      if(temp8==null) { is_equal = false; return; }
      history.push(temp8);
    }
  }}
  after -> B_List, first, Nonempty_B_List {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_B_List, it, B {{
    if (is_equal) {
      Nonempty_B_List obj = (Nonempty_B_List) history.peek();
      Object temp9 = obj.get_it();
      if(temp9==null) { is_equal = false; return; }
      history.push(temp9);
    }
  }}
  after -> Nonempty_B_List, it, B {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_B_List, next, Nonempty_B_List {{
    if (is_equal) {
      Nonempty_B_List obj = (Nonempty_B_List) history.peek();
      Object temp10 = obj.get_next();
      if(temp10==null) { is_equal = false; return; }
      history.push(temp10);
    }
  }}
  after -> Nonempty_B_List, next, Nonempty_B_List {{
    if (is_equal) history.pop();
  }}

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

  return boolean {{ is_equal }}
}