vendor/symfony/dependency-injection/ServiceLocator.php line 134
<?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;use Psr\Container\ContainerExceptionInterface;use Psr\Container\NotFoundExceptionInterface;use Symfony\Component\DependencyInjection\Exception\RuntimeException;use Symfony\Component\DependencyInjection\Exception\ServiceCircularReferenceException;use Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException;use Symfony\Contracts\Service\ServiceLocatorTrait;use Symfony\Contracts\Service\ServiceProviderInterface;use Symfony\Contracts\Service\ServiceSubscriberInterface;/*** @author Robin Chalas <robin.chalas@gmail.com>* @author Nicolas Grekas <p@tchwork.com>*/class ServiceLocator implements ServiceProviderInterface, \Countable{use ServiceLocatorTrait {get as private doGet;}private ?string $externalId = null;private ?Container $container = null;public function get(string $id): mixed{if (!$this->externalId) {return $this->doGet($id);}try {return $this->doGet($id);} catch (RuntimeException $e) {$what = sprintf('service "%s" required by "%s"', $id, $this->externalId);$message = preg_replace('/service "\.service_locator\.[^"]++"/', $what, $e->getMessage());if ($e->getMessage() === $message) {$message = sprintf('Cannot resolve %s: %s', $what, $message);}$r = new \ReflectionProperty($e, 'message');$r->setValue($e, $message);throw $e;}}public function __invoke(string $id){return isset($this->factories[$id]) ? $this->get($id) : null;}/*** @internal*/public function withContext(string $externalId, Container $container): static{$locator = clone $this;$locator->externalId = $externalId;$locator->container = $container;return $locator;}public function count(): int{return \count($this->getProvidedServices());}private function createNotFoundException(string $id): NotFoundExceptionInterface{if ($this->loading) {$msg = sprintf('The service "%s" has a dependency on a non-existent service "%s". This locator %s', end($this->loading), $id, $this->formatAlternatives());return new ServiceNotFoundException($id, end($this->loading) ?: null, null, [], $msg);}$class = debug_backtrace(\DEBUG_BACKTRACE_PROVIDE_OBJECT | \DEBUG_BACKTRACE_IGNORE_ARGS, 4);$class = isset($class[3]['object']) ? \get_class($class[3]['object']) : null;$externalId = $this->externalId ?: $class;$msg = [];$msg[] = sprintf('Service "%s" not found:', $id);if (!$this->container) {$class = null;} elseif ($this->container->has($id) || isset($this->container->getRemovedIds()[$id])) {$msg[] = 'even though it exists in the app\'s container,';} else {try {$this->container->get($id);$class = null;} catch (ServiceNotFoundException $e) {if ($e->getAlternatives()) {$msg[] = sprintf('did you mean %s? Anyway,', $this->formatAlternatives($e->getAlternatives(), 'or'));} else {$class = null;}}}if ($externalId) {$msg[] = sprintf('the container inside "%s" is a smaller service locator that %s', $externalId, $this->formatAlternatives());} else {$msg[] = sprintf('the current service locator %s', $this->formatAlternatives());}if (!$class) {// no-op} elseif (is_subclass_of($class, ServiceSubscriberInterface::class)) {$msg[] = sprintf('Unless you need extra laziness, try using dependency injection instead. Otherwise, you need to declare it using "%s::getSubscribedServices()".', preg_replace('/([^\\\\]++\\\\)++/', '', $class));} else {$msg[] = 'Try using dependency injection instead.';}return new ServiceNotFoundException($id, end($this->loading) ?: null, null, [], implode(' ', $msg));}private function createCircularReferenceException(string $id, array $path): ContainerExceptionInterface{return new ServiceCircularReferenceException($id, $path);}private function formatAlternatives(array $alternatives = null, string $separator = 'and'): string{$format = '"%s"%s';if (null === $alternatives) {if (!$alternatives = array_keys($this->factories)) {return 'is empty...';}$format = sprintf('only knows about the %s service%s.', $format, 1 < \count($alternatives) ? 's' : '');}$last = array_pop($alternatives);return sprintf($format, $alternatives ? implode('", "', $alternatives) : $last, $alternatives ? sprintf(' %s "%s"', $separator, $last) : '');}}