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plugins/simplesaml/lib/vendor/symfony/dependency-injection/Compiler/ResolveHotPathPass.php

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+<?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\Argument\ArgumentInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\DependencyInjection\Reference;
+
+/**
+ * Propagate "container.hot_path" tags to referenced services.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class ResolveHotPathPass extends AbstractRecursivePass
+{
+    protected bool $skipScalars = true;
+
+    private array $resolvedIds = [];
+
+    /**
+     * @return void
+     */
+    public function process(ContainerBuilder $container)
+    {
+        try {
+            parent::process($container);
+            $container->getDefinition('service_container')->clearTag('container.hot_path');
+        } finally {
+            $this->resolvedIds = [];
+        }
+    }
+
+    protected function processValue(mixed $value, bool $isRoot = false): mixed
+    {
+        if ($value instanceof ArgumentInterface) {
+            return $value;
+        }
+
+        if ($value instanceof Definition && $isRoot) {
+            if ($value->isDeprecated()) {
+                return $value->clearTag('container.hot_path');
+            }
+
+            $this->resolvedIds[$this->currentId] = true;
+
+            if (!$value->hasTag('container.hot_path')) {
+                return $value;
+            }
+        }
+
+        if ($value instanceof Reference && ContainerBuilder::IGNORE_ON_UNINITIALIZED_REFERENCE !== $value->getInvalidBehavior() && $this->container->hasDefinition($id = (string) $value)) {
+            $definition = $this->container->getDefinition($id);
+
+            if ($definition->isDeprecated() || $definition->hasTag('container.hot_path')) {
+                return $value;
+            }
+
+            $definition->addTag('container.hot_path');
+
+            if (isset($this->resolvedIds[$id])) {
+                parent::processValue($definition, false);
+            }
+
+            return $value;
+        }
+
+        return parent::processValue($value, $isRoot);
+    }
+}