N°2435.1 Portal: Split portal composer.json in 2

- Autoloader for portal files in the itop-portal-base module
- Dependencies moved to root composer.json
- Add autoloader for /core and /application content

lib/symfony/dependency-injection/Compiler/CheckReferenceValidityPass.php

@@ -0,0 +1,43 @@
+<?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;
+use Symfony\Component\DependencyInjection\Reference;
+
+/**
+ * Checks the validity of references.
+ *
+ * The following checks are performed by this pass:
+ * - target definitions are not abstract
+ *
+ * @author Johannes M. Schmitt <schmittjoh@gmail.com>
+ */
+class CheckReferenceValidityPass extends AbstractRecursivePass
+{
+    protected function processValue($value, $isRoot = false)
+    {
+        if ($isRoot && $value instanceof Definition && ($value->isSynthetic() || $value->isAbstract())) {
+            return $value;
+        }
+        if ($value instanceof Reference && $this->container->hasDefinition((string) $value)) {
+            $targetDefinition = $this->container->getDefinition((string) $value);
+
+            if ($targetDefinition->isAbstract()) {
+                throw new RuntimeException(sprintf('The definition "%s" has a reference to an abstract definition "%s". Abstract definitions cannot be the target of references.', $this->currentId, $value));
+            }
+        }
+
+        return parent::processValue($value, $isRoot);
+    }
+}