public static function _PRECEDENCE()
{
if (!self::$PRECEDENCE) {
$a = array(array("||"), array("&&"), array("|"), array("^"), array("&"), array("==", "===", "!=", "!=="), array("<", ">", "<=", ">=", "in", "instanceof"), array(">>", "<<", ">>>"), array("+", "-"), array("*", "/", "%"));
$ret = array();
for ($i = 0, $n = 1, $c1 = count($a); $i < $c1; $i++, $n++) {
$b = $a[$i];
for ($j = 0, $c2 = count($b); $j < $c2; $j++) {
$ret[$b[$j]] = $n;
}
}
self::$PRECEDENCE = $ret;
}
}
public function handle_dot()
{
$this->next();
return ParseJS::is_digit($this->peek()) ? $this->read_num('.') : $this->token('punc', '.');
}