vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/Compiler/AnalyzeServiceReferencesPass.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\Definition;
use Symfony\Component\DependencyInjection\Reference;
use Symfony\Component\DependencyInjection\ContainerBuilder;

/**
 * Run this pass before passes that need to know more about the relation of
 * your services.
 *
 * This class will populate the ServiceReferenceGraph with information. You can
 * retrieve the graph in other passes from the compiler.
 *
 * @author Johannes M. Schmitt <schmittjoh@gmail.com>
 */
class AnalyzeServiceReferencesPass implements RepeatablePassInterface
{
    private $graph;
    private $container;
    private $currentId;
    private $currentDefinition;
    private $repeatedPass;
    private $onlyConstructorArguments;

    /**
     * @param bool $onlyConstructorArguments Sets this Service Reference pass to ignore method calls
     */
    public function __construct($onlyConstructorArguments = false)
    {
        $this->onlyConstructorArguments = (bool) $onlyConstructorArguments;
    }

    /**
     * {@inheritdoc}
     */
    public function setRepeatedPass(RepeatedPass $repeatedPass)
    {
        $this->repeatedPass = $repeatedPass;
    }

    /**
     * Processes a ContainerBuilder object to populate the service reference graph.
     *
     * @param ContainerBuilder $container
     */
    public function process(ContainerBuilder $container)
    {
        $this->container = $container;
        $this->graph = $container->getCompiler()->getServiceReferenceGraph();