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vendor/symfony/twig-bundle/DependencyInjection/Compiler/AttributeExtensionPass.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\Bundle\TwigBundle\DependencyInjection\Compiler;
+
+use Symfony\Component\DependencyInjection\ChildDefinition;
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Exception\LogicException;
+use Twig\Attribute\AsTwigFilter;
+use Twig\Attribute\AsTwigFunction;
+use Twig\Attribute\AsTwigTest;
+use Twig\Extension\AbstractExtension;
+use Twig\Extension\AttributeExtension;
+use Twig\Extension\ExtensionInterface;
+
+/**
+ * Register an instance of AttributeExtension for each service using the
+ * PHP attributes to declare Twig callables.
+ *
+ * @author Jérôme Tamarelle <jerome@tamarelle.net>
+ *
+ * @internal
+ */
+final class AttributeExtensionPass implements CompilerPassInterface
+{
+    private const TAG = 'twig.attribute_extension';
+
+    public static function autoconfigureFromAttribute(ChildDefinition $definition, AsTwigFilter|AsTwigFunction|AsTwigTest $attribute, \ReflectionMethod $reflector): void
+    {
+        $class = $reflector->getDeclaringClass();
+        if ($class->implementsInterface(ExtensionInterface::class)) {
+            if ($class->isSubclassOf(AbstractExtension::class)) {
+                throw new LogicException(\sprintf('The class "%s" cannot extend "%s" and use the "#[%s]" attribute on method "%s()", choose one or the other.', $class->name, AbstractExtension::class, $attribute::class, $reflector->name));
+            }
+            throw new LogicException(\sprintf('The class "%s" cannot implement "%s" and use the "#[%s]" attribute on method "%s()", choose one or the other.', $class->name, ExtensionInterface::class, $attribute::class, $reflector->name));
+        }
+
+        $definition->addTag(self::TAG);
+
+        // The service must be tagged as a runtime to call non-static methods
+        if (!$reflector->isStatic()) {
+            $definition->addTag('twig.runtime');
+        }
+    }
+
+    public function process(ContainerBuilder $container): void
+    {
+        foreach ($container->findTaggedServiceIds(self::TAG, true) as $id => $tags) {
+            $container->register('.twig.extension.'.$id, AttributeExtension::class)
+                ->setArguments([$container->getDefinition($id)->getClass()])
+                ->addTag('twig.extension');
+        }
+    }
+}