Flow\Lexer::lexBlock PHP Метод

    protected function lexBlock()
    {
        $tokens = array();
        $match = null;
        if (preg_match('/(\\s*)(' . preg_quote(self::BLOCK_END_TRIM) . '|' . preg_quote(self::BLOCK_END) . ')/A', $this->source, $match, null, $this->cursor)) {
            if ($match[2] == self::BLOCK_END_TRIM) {
                $this->trim = true;
            }
            $this->cursor += strlen($match[0]);
            $this->adjustLineChar($match[1]);
            $tokens[] = new Token(Token::BLOCK_END, $match[2], $this->line, $this->char);
            $this->adjustLineChar($match[2]);
            $this->position = self::POSITION_TEXT;
            return $tokens;
        }
        return $this->lexExpression();
    }