whole_func_string: function finish(code) {
              if (leftover) {
                  handleLogLine(null, leftover, opts, stylize);
                  leftover = '';
              }
              callback(code);
          }
func_code_string: function finish(code) {
              if (leftover) {
                  handleLogLine(null, leftover, opts, stylize);
                  leftover = '';
              }
              callback(code);
          }
func_documentation_string: intentionally global