code: function display_body(body, is_toplevel, output) {
          var last = body.length - 1;
          body.forEach(function(stmt, i){
              if (!(stmt instanceof AST_EmptyStatement)) {
                  output.indent();
                  stmt.print(output);
                  if (!(i == last && is_toplevel)) {
                      output.newline();
                      if (is_toplevel) output.newline();
                  }
              }
          });
      }
docs: /* -----[ statements ]-----