/**
* Generates the lexer cache on fly.
*
* @param \FSHL\Lexer $lexer
*
* @return \FSHL\Highlighter
*/
private function generateCache(Lexer $lexer)
{
$generator = new Generator($lexer);
try {
$generator->saveToCache();
} catch (\RuntimeException $e) {
$file = tempnam(sys_get_temp_dir(), 'fshl');
file_put_contents($file, $generator->getSource());
require_once $file;
unlink($file);
}
$lexerName = $lexer->getLanguage();
$lexerCacheClass = '\\FSHL\\Lexer\\Cache\\' . $lexerName;
$this->lexers[$lexerName] = new $lexerCacheClass();
$this->lexer = $this->lexers[$lexerName];
return $this;
}
