protected function lexExpression()
{
// collect whitespaces and new lines
if (preg_match('/\\s+/A', $this->code, $match, null, $this->cursor)) {
$emptyLines = explode("\n", $match[0]);
foreach ($emptyLines as $line) {
if (strlen($line) == 0) {
$this->pushToken(Token::NEWLINE_TYPE);
} else {
$this->pushToken(Token::WHITESPACE_TYPE, $line);
}
}
}
parent::lexExpression();
}
