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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;
class LoopCommand extends AbstractCommand
{
private $endLoopIndex;
public function __construct(Runtime $runtime)
parent::__construct($runtime);
}
/**
* @throws Exception
*/
public function exec(): void
if ($this->runtime->isValueZero()) {
$this->runtime->setCommandIndex($this->getEndLoopIndex() + 1);
return;
$this->runtime->shiftCommandIndex(1);
public function setEndLoopIndex(int $index): void
$this->endLoopIndex = $index;
* @return int
private function getEndLoopIndex(): int
if (!isset($this->endLoopIndex)) {
throw new Exception("End loop index is not defined");
return $this->endLoopIndex;
remorhaz /
php-unilex
