--- /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;
+
+/**
+ * Checks if arguments of methods are properly configured.
+ *
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class CheckArgumentsValidityPass extends AbstractRecursivePass
+{
+ private $throwExceptions;
+
+ public function __construct($throwExceptions = true)
+ {
+ $this->throwExceptions = $throwExceptions;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function processValue($value, $isRoot = false)
+ {
+ if (!$value instanceof Definition) {
+ return parent::processValue($value, $isRoot);
+ }
+
+ $i = 0;
+ foreach ($value->getArguments() as $k => $v) {
+ if ($k !== $i++) {
+ if (!is_int($k)) {
+ $msg = sprintf('Invalid constructor argument for service "%s": integer expected but found string "%s". Check your service definition.', $this->currentId, $k);
+ $value->addError($msg);
+ if ($this->throwExceptions) {
+ throw new RuntimeException($msg);
+ }
+
+ break;
+ }
+
+ $msg = sprintf('Invalid constructor argument %d for service "%s": argument %d must be defined before. Check your service definition.', 1 + $k, $this->currentId, $i);
+ $value->addError($msg);
+ if ($this->throwExceptions) {
+ throw new RuntimeException($msg);
+ }
+ }
+ }
+
+ foreach ($value->getMethodCalls() as $methodCall) {
+ $i = 0;
+ foreach ($methodCall[1] as $k => $v) {
+ if ($k !== $i++) {
+ if (!is_int($k)) {
+ $msg = sprintf('Invalid argument for method call "%s" of service "%s": integer expected but found string "%s". Check your service definition.', $methodCall[0], $this->currentId, $k);
+ $value->addError($msg);
+ if ($this->throwExceptions) {
+ throw new RuntimeException($msg);
+ }
+
+ break;
+ }
+
+ $msg = sprintf('Invalid argument %d for method call "%s" of service "%s": argument %d must be defined before. Check your service definition.', 1 + $k, $methodCall[0], $this->currentId, $i);
+ $value->addError($msg);
+ if ($this->throwExceptions) {
+ throw new RuntimeException($msg);
+ }
+ }
+ }
+ }
+ }
+}