--- /dev/null
+<?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\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 <schmittjoh@gmail.com>
+ */
+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);
+ }
+ }
+ }
+ }
+}