public function read_name()
{
$backslash = false;
$name = '';
while (($ch = $this->peek()) !== null) {
if (!$backslash) {
if ($ch == '//') {
$backslash = true;
$this->next();
} elseif (ParseJS::is_identifier_char($ch)) {
$name .= $this->next();
} else {
break;
}
} else {
if ($ch != 'u') {
return $this->parse_error('Expecting UnicodeEscapeSequence -- uXXXX');
}
$ch = $this->read_escaped_char();
if (!ParseJS::is_identifier_char($ch)) {
return $this->parse_error('Unicode char: ' . ParseJS::uniord($ch) . ' is not valid in identifier');
}
$name .= $ch;
$backslash = false;
}
}
return $name;
}
