/**
* Detect and consume symbols
*
* @param ReaderInterface $reader
*
* @return boolean
*/
protected function consumeSymbols(ReaderInterface $reader)
{
$found = false;
$nextChar = $reader->currentChar();
while (in_array($nextChar, $this->context->getSymbols())) {
$found = true;
$token = new GenericToken(GenericToken::TK_SYMBOL, $nextChar);
$this->addToken($reader, $token);
$reader->consume();
$nextChar = $reader->forwardChar();
}
$reader->consume();
return $found;
}
