PhpParser\Lexer::getNextToken(): Return value must be of type int, null returned

[metalmumu]

Bug report

Fatal Error

 $ phpmetrics.phar ./
... 14% ...PHP Warning:  Undefined array key 314 in phar:///opt/php-tools/phpmetrics.phar/vendor/nikic/php-parser/lib/PhpParser/Lexer.php on line 293
PHP Fatal error:  Uncaught TypeError: PhpParser\Lexer::getNextToken(): Return value must be of type int, null returned in phar:///opt/php-tools/phpmetrics.phar/vendor/nikic/php-parser/lib/PhpParser/Lexer.php:333
Stack trace:
#0 phar:///opt/php-tools/phpmetrics.phar/vendor/nikic/php-parser/lib/PhpParser/ParserAbstract.php(208): PhpParser\Lexer->getNextToken()
#1 phar:///opt/php-tools/phpmetrics.phar/vendor/nikic/php-parser/lib/PhpParser/ParserAbstract.php(158): PhpParser\ParserAbstract->doParse()
#2 phar:///opt/php-tools/phpmetrics.phar/vendor/nikic/php-parser/lib/PhpParser/Parser/Multiple.php(51): PhpParser\ParserAbstract->parse()
#3 phar:///opt/php-tools/phpmetrics.phar/vendor/nikic/php-parser/lib/PhpParser/Parser/Multiple.php(32): PhpParser\Parser\Multiple->tryParse()
#4 phar:///opt/php-tools/phpmetrics.phar/src/Hal/Application/Analyze.php(104): PhpParser\Parser\Multiple->parse()
#5 phar:///opt/php-tools/phpmetrics.phar/src/Hal/Application/Application.php(57): Hal\Application\Analyze->run()
#6 /opt/php-tools/phpmetrics.phar(22): Hal\Application\Application->run()
#7 {main}
  thrown in phar:///opt/php-tools/phpmetrics.phar/vendor/nikic/php-parser/lib/PhpParser/Lexer.php on line 333

[niconoe-]

This was an issue with PhpParser and it should be fixed now.
Could you give it a try on the version 3.0.0-rc4?