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- <?php
- /*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
- namespace Symfony\Component\DependencyInjection\Compiler;
- use Symfony\Component\DependencyInjection\Definition;
- use Symfony\Component\DependencyInjection\Exception\RuntimeException;
- use Symfony\Component\DependencyInjection\Reference;
- /**
- * Checks the validity of references.
- *
- * The following checks are performed by this pass:
- * - target definitions are not abstract
- *
- * @author Johannes M. Schmitt <schmittjoh@gmail.com>
- */
- class CheckReferenceValidityPass extends AbstractRecursivePass
- {
- protected function processValue($value, bool $isRoot = false)
- {
- if ($isRoot && $value instanceof Definition && ($value->isSynthetic() || $value->isAbstract())) {
- return $value;
- }
- if ($value instanceof Reference && $this->container->hasDefinition((string) $value)) {
- $targetDefinition = $this->container->getDefinition((string) $value);
- if ($targetDefinition->isAbstract()) {
- throw new RuntimeException(sprintf('The definition "%s" has a reference to an abstract definition "%s". Abstract definitions cannot be the target of references.', $this->currentId, $value));
- }
- }
- return parent::processValue($value, $isRoot);
- }
- }
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