* * 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\ServiceNotFoundException; use Symfony\Component\DependencyInjection\ContainerInterface; use Symfony\Component\DependencyInjection\Reference; use Symfony\Component\DependencyInjection\ContainerBuilder; /** * Checks that all references are pointing to a valid service. * * @author Johannes M. Schmitt */ class CheckExceptionOnInvalidReferenceBehaviorPass implements CompilerPassInterface { private $container; private $sourceId; public function process(ContainerBuilder $container) { $this->container = $container; foreach ($container->getDefinitions() as $id => $definition) { $this->sourceId = $id; $this->processDefinition($definition); } } private function processDefinition(Definition $definition) { $this->processReferences($definition->getArguments()); $this->processReferences($definition->getMethodCalls()); $this->processReferences($definition->getProperties()); } private function processReferences(array $arguments) { foreach ($arguments as $argument) { if (is_array($argument)) { $this->processReferences($argument); } elseif ($argument instanceof Definition) { $this->processDefinition($argument); } elseif ($argument instanceof Reference && ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE === $argument->getInvalidBehavior()) { $destId = (string) $argument; if (!$this->container->has($destId)) { throw new ServiceNotFoundException($destId, $this->sourceId); } } } } }