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