Flow\Lexer::next PHP Method

    protected function next()
    {
        if (!empty($this->queue)) {
            return array_shift($this->queue);
        }
        if ($this->cursor >= $this->end) {
            return new Token(Token::EOF, null, $this->line, $this->char);
        }
        switch ($this->position) {
            case self::POSITION_TEXT:
                $this->queue = $this->lexText();
                break;
            case self::POSITION_BLOCK:
                $this->queue = $this->lexBlock();
                break;
            case self::POSITION_OUTPUT:
                $this->queue = $this->lexOutput();
                break;
        }
        return $this->next();
    }