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<?php
declare(strict_types=1);
namespace Remorhaz\UniLex\Example\Brainfuck\Command;
use Remorhaz\UniLex\Example\Brainfuck\Exception;
use Remorhaz\UniLex\Example\Brainfuck\Runtime;
abstract class AbstractCommand
{
protected $runtime;
protected $index;
public function __construct(Runtime $runtime)
$this->runtime = $runtime;
}
abstract public function exec(): void;
public function setIndex(int $index): void
$this->index = $index;
/**
* @return int
* @throws Exception
*/
public function getIndex(): int
if (!isset($this->index)) {
throw new Exception("Command index is undefined");
return $this->index;
remorhaz /
php-unilex
