--- /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\RuntimeException;
+
+/**
+ * @author Maxime Steinhausser <maxime.steinhausser@gmail.com>
+ */
+class ResolveFactoryClassPass extends AbstractRecursivePass
+{
+ /**
+ * {@inheritdoc}
+ */
+ protected function processValue($value, $isRoot = false)
+ {
+ if ($value instanceof Definition && is_array($factory = $value->getFactory()) && null === $factory[0]) {
+ if (null === $class = $value->getClass()) {
+ throw new RuntimeException(sprintf('The "%s" service is defined to be created by a factory, but is missing the factory class. Did you forget to define the factory or service class?', $this->currentId));
+ }
+
+ $factory[0] = $class;
+ $value->setFactory($factory);
+ }
+
+ return parent::processValue($value, $isRoot);
+ }
+}