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annotate vendor/symfony/dependency-injection/Compiler/CheckReferenceValidityPass.php @ 19:fa3358dc1485 tip
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author | Chris Cannam |
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date | Wed, 28 Aug 2019 13:14:47 +0100 |
parents | 129ea1e6d783 |
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rev | line source |
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Chris@0 | 1 <?php |
Chris@0 | 2 |
Chris@0 | 3 /* |
Chris@0 | 4 * This file is part of the Symfony package. |
Chris@0 | 5 * |
Chris@0 | 6 * (c) Fabien Potencier <fabien@symfony.com> |
Chris@0 | 7 * |
Chris@0 | 8 * For the full copyright and license information, please view the LICENSE |
Chris@0 | 9 * file that was distributed with this source code. |
Chris@0 | 10 */ |
Chris@0 | 11 |
Chris@0 | 12 namespace Symfony\Component\DependencyInjection\Compiler; |
Chris@0 | 13 |
Chris@0 | 14 use Symfony\Component\DependencyInjection\Definition; |
Chris@17 | 15 use Symfony\Component\DependencyInjection\Exception\RuntimeException; |
Chris@0 | 16 use Symfony\Component\DependencyInjection\Reference; |
Chris@0 | 17 |
Chris@0 | 18 /** |
Chris@0 | 19 * Checks the validity of references. |
Chris@0 | 20 * |
Chris@0 | 21 * The following checks are performed by this pass: |
Chris@0 | 22 * - target definitions are not abstract |
Chris@0 | 23 * |
Chris@0 | 24 * @author Johannes M. Schmitt <schmittjoh@gmail.com> |
Chris@0 | 25 */ |
Chris@14 | 26 class CheckReferenceValidityPass extends AbstractRecursivePass |
Chris@0 | 27 { |
Chris@14 | 28 protected function processValue($value, $isRoot = false) |
Chris@14 | 29 { |
Chris@14 | 30 if ($isRoot && $value instanceof Definition && ($value->isSynthetic() || $value->isAbstract())) { |
Chris@14 | 31 return $value; |
Chris@14 | 32 } |
Chris@14 | 33 if ($value instanceof Reference && $this->container->hasDefinition((string) $value)) { |
Chris@14 | 34 $targetDefinition = $this->container->getDefinition((string) $value); |
Chris@0 | 35 |
Chris@14 | 36 if ($targetDefinition->isAbstract()) { |
Chris@17 | 37 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, $value)); |
Chris@0 | 38 } |
Chris@0 | 39 } |
Chris@0 | 40 |
Chris@14 | 41 return parent::processValue($value, $isRoot); |
Chris@0 | 42 } |
Chris@0 | 43 } |