protected function parseExprList(array $expr, $readWrite = self::MODE_NONE)
{
$vars = array_map([$this, 'parseExprNode'], $expr);
if ($readWrite === self::MODE_READ) {
$vars = array_map([$this, 'readVariable'], $vars);
} elseif ($readWrite === self::MODE_WRITE) {
$vars = array_map([$this, 'writeVariable'], $vars);
}
return $vars;
}