public function _tryStmt()
{
$this->parser->match(Tag::T_TRY);
$body = new StmtList(iterator_to_array($this->_innerStmtList()));
$rescues = iterator_to_array($this->_rescueStmtList());
$finally = $this->_optFinally();
$this->parser->match(Tag::T_END);
return new TryStmt($body, $rescues, $finally);
}