// 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 Main {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp1 = host.get_s();
    Object temp2 = ((Main) obj).get_s();
    if(temp1 == null && temp2 == null) {}
    else if(temp1 == null ||
            temp2 == null ||
            !temp1.equals(temp2)) { is_equal = false; return; }
  }}

  before -> node_t, node_t1, node_t1 {{
    if (is_equal) {
      node_t obj = (node_t) history.peek();
      Object temp3 = obj.get_node_t1();
      if(temp3==null) { is_equal = false; return; }
      history.push(temp3);
    }
  }}
  after -> node_t, node_t1, node_t1 {{
    if (is_equal) history.pop();
  }}

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

  before -> node_t1, name, Pstring {{
    if (is_equal) {
      node_t1 obj = (node_t1) history.peek();
      Object temp4 = obj.get_name();
      if(temp4==null) { is_equal = false; return; }
      history.push(temp4);
    }
  }}
  after -> node_t1, name, Pstring {{
    if (is_equal) history.pop();
  }}

  before -> node_t1, dist, Puint32 {{
    if (is_equal) {
      node_t1 obj = (node_t1) history.peek();
      Object temp5 = obj.get_dist();
      if(temp5==null) { is_equal = false; return; }
      history.push(temp5);
    }
  }}
  after -> node_t1, dist, Puint32 {{
    if (is_equal) history.pop();
  }}

  before node_t1 {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

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

  before -> Internal, branches, tree_t_CList {{
    if (is_equal) {
      Internal obj = (Internal) history.peek();
      Object temp6 = obj.get_branches();
      if(temp6==null) { is_equal = false; return; }
      history.push(temp6);
    }
  }}
  after -> Internal, branches, tree_t_CList {{
    if (is_equal) history.pop();
  }}

  before -> Internal, dist, Puint32 {{
    if (is_equal) {
      Internal obj = (Internal) history.peek();
      Object temp7 = obj.get_dist();
      if(temp7==null) { is_equal = false; return; }
      history.push(temp7);
    }
  }}
  after -> Internal, dist, Puint32 {{
    if (is_equal) history.pop();
  }}

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

  before -> Leaf, node_t, node_t {{
    if (is_equal) {
      Leaf obj = (Leaf) history.peek();
      Object temp8 = obj.get_node_t();
      if(temp8==null) { is_equal = false; return; }
      history.push(temp8);
    }
  }}
  after -> Leaf, node_t, node_t {{
    if (is_equal) history.pop();
  }}

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

  before -> Start, body, tree_t {{
    if (is_equal) {
      Start obj = (Start) history.peek();
      Object temp9 = obj.get_body();
      if(temp9==null) { is_equal = false; return; }
      history.push(temp9);
    }
  }}
  after -> Start, body, tree_t {{
    if (is_equal) history.pop();
  }}

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

  before Puint32 {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp10 = host.get_integer();
    Object temp11 = ((Puint32) obj).get_integer();
    if(temp10 == null && temp11 == null) {}
    else if(temp10 == null ||
            temp11 == null ||
            !temp10.equals(temp11)) { is_equal = false; return; }
  }}

  before Pstring {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp12 = host.get_ident();
    Object temp13 = ((Pstring) obj).get_ident();
    if(temp12 == null && temp13 == null) {}
    else if(temp12 == null ||
            temp13 == null ||
            !temp12.equals(temp13)) { 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 temp14 = host.get_copy();
    Object temp15 = ((CopyVisitor) obj).get_copy();
    if(temp14 == null && temp15 == null) {}
    else if(temp14 == null ||
            temp15 == null ||
            !temp14.equals(temp15)) { 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 -> tree_t_CList, first, Nonempty_tree_t_CList {{
    if (is_equal) {
      tree_t_CList obj = (tree_t_CList) history.peek();
      Object temp16 = obj.get_first();
      if(temp16==null) { is_equal = false; return; }
      history.push(temp16);
    }
  }}
  after -> tree_t_CList, first, Nonempty_tree_t_CList {{
    if (is_equal) history.pop();
  }}

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

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

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

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

  return boolean {{ is_equal }}
}