--- /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\InvalidArgumentException;
+use Symfony\Component\DependencyInjection\LazyProxy\ProxyHelper;
+use Symfony\Component\DependencyInjection\Reference;
+
+/**
+ * Resolves named arguments to their corresponding numeric index.
+ *
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ */
+class ResolveNamedArgumentsPass extends AbstractRecursivePass
+{
+ /**
+ * {@inheritdoc}
+ */
+ protected function processValue($value, $isRoot = false)
+ {
+ if (!$value instanceof Definition) {
+ return parent::processValue($value, $isRoot);
+ }
+
+ $calls = $value->getMethodCalls();
+ $calls[] = array('__construct', $value->getArguments());
+
+ foreach ($calls as $i => $call) {
+ list($method, $arguments) = $call;
+ $parameters = null;
+ $resolvedArguments = array();
+
+ foreach ($arguments as $key => $argument) {
+ if (is_int($key)) {
+ $resolvedArguments[$key] = $argument;
+ continue;
+ }
+
+ if (null === $parameters) {
+ $r = $this->getReflectionMethod($value, $method);
+ $class = $r instanceof \ReflectionMethod ? $r->class : $this->currentId;
+ $parameters = $r->getParameters();
+ }
+
+ if (isset($key[0]) && '$' === $key[0]) {
+ foreach ($parameters as $j => $p) {
+ if ($key === '$'.$p->name) {
+ $resolvedArguments[$j] = $argument;
+
+ continue 2;
+ }
+ }
+
+ throw new InvalidArgumentException(sprintf('Invalid service "%s": method "%s()" has no argument named "%s". Check your service definition.', $this->currentId, $class !== $this->currentId ? $class.'::'.$method : $method, $key));
+ }
+
+ if (null !== $argument && !$argument instanceof Reference && !$argument instanceof Definition) {
+ throw new InvalidArgumentException(sprintf('Invalid service "%s": the value of argument "%s" of method "%s()" must be null, an instance of %s or an instance of %s, %s given.', $this->currentId, $key, $class !== $this->currentId ? $class.'::'.$method : $method, Reference::class, Definition::class, gettype($argument)));
+ }
+
+ $typeFound = false;
+ foreach ($parameters as $j => $p) {
+ if (!array_key_exists($j, $resolvedArguments) && ProxyHelper::getTypeHint($r, $p, true) === $key) {
+ $resolvedArguments[$j] = $argument;
+ $typeFound = true;
+ }
+ }
+
+ if (!$typeFound) {
+ throw new InvalidArgumentException(sprintf('Invalid service "%s": method "%s()" has no argument type-hinted as "%s". Check your service definition.', $this->currentId, $class !== $this->currentId ? $class.'::'.$method : $method, $key));
+ }
+ }
+
+ if ($resolvedArguments !== $call[1]) {
+ ksort($resolvedArguments);
+ $calls[$i][1] = $resolvedArguments;
+ }
+ }
+
+ list(, $arguments) = array_pop($calls);
+
+ if ($arguments !== $value->getArguments()) {
+ $value->setArguments($arguments);
+ }
+ if ($calls !== $value->getMethodCalls()) {
+ $value->setMethodCalls($calls);
+ }
+
+ return parent::processValue($value, $isRoot);
+ }
+}