code: def p_field_void(self, p):
          
          p[0] = AstVoidField(self.path, p.lineno(1), p.lexpos(1), p[1])
          if len(p) > 3:
              if p[4] is not None:
                  p[0].set_annotations(p[4])
  
              if p[5] is not None:
                  p[0].set_doc(p[5])
docs: field : ID NL
                   | ID NL INDENT annotation_ref_list docsection DEDENT