{% macro node(node, class_info, category, attrs) %}
     <div class="{{category}} node_tbl">
       <table>
         <th colspan="10">
           <span class="node_type">{{node.class_}}</span>
           <span class="att">({{attrs}})</span>
         </th>

          {% if category == 'stmt' %}
            {% for line_num in node.line_nums|sort %}
               <tr class="code"><td colspan="10">
                 <pre>{{line_num}}: {{node.lines[line_num - 1]}}</pre>
               </td></tr>
            {% endfor %}
          {% endif %}
       </table>
       <table>
         {% for field_name in class_info['order'] %}
            <tr>
              <td class="field_name">{{field_name}}</td>
              <td>{{node.fields[field_name].to_html()}}</td>
            </tr>
         {% endfor %}
       </table>
     </div>
{% endmacro %}