* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\DependencyInjection\Dumper; use Composer\Autoload\ClassLoader; use Symfony\Component\Debug\DebugClassLoader as LegacyDebugClassLoader; use Symfony\Component\DependencyInjection\Argument\AbstractArgument; use Symfony\Component\DependencyInjection\Argument\ArgumentInterface; use Symfony\Component\DependencyInjection\Argument\IteratorArgument; use Symfony\Component\DependencyInjection\Argument\ServiceClosureArgument; use Symfony\Component\DependencyInjection\Argument\ServiceLocator; use Symfony\Component\DependencyInjection\Argument\ServiceLocatorArgument; use Symfony\Component\DependencyInjection\Compiler\AnalyzeServiceReferencesPass; use Symfony\Component\DependencyInjection\Compiler\CheckCircularReferencesPass; use Symfony\Component\DependencyInjection\Compiler\ServiceReferenceGraphNode; use Symfony\Component\DependencyInjection\Container; use Symfony\Component\DependencyInjection\ContainerBuilder; use Symfony\Component\DependencyInjection\ContainerInterface; use Symfony\Component\DependencyInjection\Definition; use Symfony\Component\DependencyInjection\Exception\EnvParameterException; use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException; use Symfony\Component\DependencyInjection\Exception\LogicException; use Symfony\Component\DependencyInjection\Exception\RuntimeException; use Symfony\Component\DependencyInjection\Exception\ServiceCircularReferenceException; use Symfony\Component\DependencyInjection\ExpressionLanguage; use Symfony\Component\DependencyInjection\LazyProxy\PhpDumper\DumperInterface; use Symfony\Component\DependencyInjection\LazyProxy\PhpDumper\NullDumper; use Symfony\Component\DependencyInjection\Loader\FileLoader; use Symfony\Component\DependencyInjection\Parameter; use Symfony\Component\DependencyInjection\Reference; use Symfony\Component\DependencyInjection\ServiceLocator as BaseServiceLocator; use Symfony\Component\DependencyInjection\TypedReference; use Symfony\Component\DependencyInjection\Variable; use Symfony\Component\ErrorHandler\DebugClassLoader; use Symfony\Component\ExpressionLanguage\Expression; use Symfony\Component\HttpKernel\Kernel; /** * PhpDumper dumps a service container as a PHP class. * * @author Fabien Potencier * @author Johannes M. Schmitt */ class PhpDumper extends Dumper { /** * Characters that might appear in the generated variable name as first character. */ public const FIRST_CHARS = 'abcdefghijklmnopqrstuvwxyz'; /** * Characters that might appear in the generated variable name as any but the first character. */ public const NON_FIRST_CHARS = 'abcdefghijklmnopqrstuvwxyz0123456789_'; /** @var \SplObjectStorage|null */ private ?\SplObjectStorage $definitionVariables = null; private ?array $referenceVariables = null; private int $variableCount; private ?\SplObjectStorage $inlinedDefinitions = null; private ?array $serviceCalls = null; private array $reservedVariables = ['instance', 'class', 'this', 'container']; private ExpressionLanguage $expressionLanguage; private ?string $targetDirRegex = null; private int $targetDirMaxMatches; private string $docStar; private array $serviceIdToMethodNameMap; private array $usedMethodNames; private string $namespace; private bool $asFiles; private string $hotPathTag; private array $preloadTags; private bool $inlineFactories; private bool $inlineRequires; private array $inlinedRequires = []; private array $circularReferences = []; private array $singleUsePrivateIds = []; private array $preload = []; private bool $addGetService = false; private array $locatedIds = []; private string $serviceLocatorTag; private array $exportedVariables = []; private string $baseClass; private DumperInterface $proxyDumper; private bool $hasProxyDumper = false; /** * {@inheritdoc} */ public function __construct(ContainerBuilder $container) { if (!$container->isCompiled()) { throw new LogicException('Cannot dump an uncompiled container.'); } parent::__construct($container); } /** * Sets the dumper to be used when dumping proxies in the generated container. */ public function setProxyDumper(DumperInterface $proxyDumper) { $this->proxyDumper = $proxyDumper; $this->hasProxyDumper = !$proxyDumper instanceof NullDumper; } /** * Dumps the service container as a PHP class. * * Available options: * * * class: The class name * * base_class: The base class name * * namespace: The class namespace * * as_files: To split the container in several files * * @return string|array A PHP class representing the service container or an array of PHP files if the "as_files" option is set * * @throws EnvParameterException When an env var exists but has not been dumped */ public function dump(array $options = []): string|array { $this->locatedIds = []; $this->targetDirRegex = null; $this->inlinedRequires = []; $this->exportedVariables = []; $options = array_merge([ 'class' => 'ProjectServiceContainer', 'base_class' => 'Container', 'namespace' => '', 'as_files' => false, 'debug' => true, 'hot_path_tag' => 'container.hot_path', 'preload_tags' => ['container.preload', 'container.no_preload'], 'inline_factories_parameter' => 'container.dumper.inline_factories', 'inline_class_loader_parameter' => 'container.dumper.inline_class_loader', 'preload_classes' => [], 'service_locator_tag' => 'container.service_locator', 'build_time' => time(), ], $options); $this->addGetService = false; $this->namespace = $options['namespace']; $this->asFiles = $options['as_files']; $this->hotPathTag = $options['hot_path_tag']; $this->preloadTags = $options['preload_tags']; $this->inlineFactories = $this->asFiles && $options['inline_factories_parameter'] && $this->container->hasParameter($options['inline_factories_parameter']) && $this->container->getParameter($options['inline_factories_parameter']); $this->inlineRequires = $options['inline_class_loader_parameter'] && ($this->container->hasParameter($options['inline_class_loader_parameter']) ? $this->container->getParameter($options['inline_class_loader_parameter']) : $options['debug']); $this->serviceLocatorTag = $options['service_locator_tag']; if (!str_starts_with($baseClass = $options['base_class'], '\\') && 'Container' !== $baseClass) { $baseClass = sprintf('%s\%s', $options['namespace'] ? '\\'.$options['namespace'] : '', $baseClass); $this->baseClass = $baseClass; } elseif ('Container' === $baseClass) { $this->baseClass = Container::class; } else { $this->baseClass = $baseClass; } $this->initializeMethodNamesMap('Container' === $baseClass ? Container::class : $baseClass); if (!$this->hasProxyDumper) { (new AnalyzeServiceReferencesPass(true, false))->process($this->container); try { (new CheckCircularReferencesPass())->process($this->container); } catch (ServiceCircularReferenceException $e) { $path = $e->getPath(); end($path); $path[key($path)] .= '". Try running "composer require symfony/proxy-manager-bridge'; throw new ServiceCircularReferenceException($e->getServiceId(), $path); } } $this->analyzeReferences(); $this->docStar = $options['debug'] ? '*' : ''; if (!empty($options['file']) && is_dir($dir = \dirname($options['file']))) { // Build a regexp where the first root dirs are mandatory, // but every other sub-dir is optional up to the full path in $dir // Mandate at least 1 root dir and not more than 5 optional dirs. $dir = explode(\DIRECTORY_SEPARATOR, realpath($dir)); $i = \count($dir); if (2 + (int) ('\\' === \DIRECTORY_SEPARATOR) <= $i) { $regex = ''; $lastOptionalDir = $i > 8 ? $i - 5 : (2 + (int) ('\\' === \DIRECTORY_SEPARATOR)); $this->targetDirMaxMatches = $i - $lastOptionalDir; while (--$i >= $lastOptionalDir) { $regex = sprintf('(%s%s)?', preg_quote(\DIRECTORY_SEPARATOR.$dir[$i], '#'), $regex); } do { $regex = preg_quote(\DIRECTORY_SEPARATOR.$dir[$i], '#').$regex; } while (0 < --$i); $this->targetDirRegex = '#(^|file://|[:;, \|\r\n])'.preg_quote($dir[0], '#').$regex.'#'; } } $proxyClasses = $this->inlineFactories ? $this->generateProxyClasses() : null; if ($options['preload_classes']) { $this->preload = array_combine($options['preload_classes'], $options['preload_classes']); } $code = $this->startClass($options['class'], $baseClass, $this->inlineFactories && $proxyClasses). $this->addServices($services). $this->addDeprecatedAliases(). $this->addDefaultParametersMethod() ; $proxyClasses = $proxyClasses ?? $this->generateProxyClasses(); if ($this->addGetService) { $code = preg_replace( "/(\r?\n\r?\n public function __construct.+?\\{\r?\n)/s", "\n protected \$getService;$1 \$this->getService = \\Closure::fromCallable([\$this, 'getService']);\n", $code, 1 ); } if ($this->asFiles) { $fileTemplate = <<docStar} * @internal This class has been auto-generated by the Symfony Dependency Injection Component. */ class %s extends {$options['class']} {%s} EOF; $files = []; $preloadedFiles = []; $ids = $this->container->getRemovedIds(); foreach ($this->container->getDefinitions() as $id => $definition) { if (!$definition->isPublic()) { $ids[$id] = true; } } if ($ids = array_keys($ids)) { sort($ids); $c = "doExport($id)." => true,\n"; } $files['removed-ids.php'] = $c."];\n"; } if (!$this->inlineFactories) { foreach ($this->generateServiceFiles($services) as $file => [$c, $preload]) { $files[$file] = sprintf($fileTemplate, substr($file, 0, -4), $c); if ($preload) { $preloadedFiles[$file] = $file; } } foreach ($proxyClasses as $file => $c) { $files[$file] = "endClass(); if ($this->inlineFactories && $proxyClasses) { $files['proxy-classes.php'] = " $c) { $code["Container{$hash}/{$file}"] = substr_replace($c, "namespace ? "\nnamespace {$this->namespace};\n" : ''; $time = $options['build_time']; $id = hash('crc32', $hash.$time); $this->asFiles = false; if ($this->preload && null !== $autoloadFile = $this->getAutoloadFile()) { $autoloadFile = trim($this->export($autoloadFile), '()\\'); $preloadedFiles = array_reverse($preloadedFiles); if ('' !== $preloadedFiles = implode("';\nrequire __DIR__.'/", $preloadedFiles)) { $preloadedFiles = "require __DIR__.'/$preloadedFiles';\n"; } $code[$options['class'].'.preload.php'] = <<= 7.4 when preloading is desired use Symfony\Component\DependencyInjection\Dumper\Preloader; if (in_array(PHP_SAPI, ['cli', 'phpdbg'], true)) { return; } require $autoloadFile; (require __DIR__.'/{$options['class']}.php')->set(\\Container{$hash}\\{$options['class']}::class, null); $preloadedFiles \$classes = []; EOF; foreach ($this->preload as $class) { if (!$class || str_contains($class, '$') || \in_array($class, ['int', 'float', 'string', 'bool', 'resource', 'object', 'array', 'null', 'callable', 'iterable', 'mixed', 'void'], true)) { continue; } if (!(class_exists($class, false) || interface_exists($class, false) || trait_exists($class, false)) || ((new \ReflectionClass($class))->isUserDefined() && !\in_array($class, ['Attribute', 'JsonException', 'ReturnTypeWillChange', 'Stringable', 'UnhandledMatchError', 'ValueError'], true))) { $code[$options['class'].'.preload.php'] .= sprintf("\$classes[] = '%s';\n", $class); } } $code[$options['class'].'.preload.php'] .= <<<'EOF' $preloaded = Preloader::preload($classes); EOF; } $code[$options['class'].'.php'] = << '$hash', 'container.build_id' => '$id', 'container.build_time' => $time, ], __DIR__.\\DIRECTORY_SEPARATOR.'Container{$hash}'); EOF; } else { $code .= $this->endClass(); foreach ($proxyClasses as $c) { $code .= $c; } } $this->targetDirRegex = null; $this->inlinedRequires = []; $this->circularReferences = []; $this->locatedIds = []; $this->exportedVariables = []; $this->preload = []; $unusedEnvs = []; foreach ($this->container->getEnvCounters() as $env => $use) { if (!$use) { $unusedEnvs[] = $env; } } if ($unusedEnvs) { throw new EnvParameterException($unusedEnvs, null, 'Environment variables "%s" are never used. Please, check your container\'s configuration.'); } return $code; } /** * Retrieves the currently set proxy dumper or instantiates one. */ private function getProxyDumper(): DumperInterface { return $this->proxyDumper ??= new NullDumper(); } private function analyzeReferences() { (new AnalyzeServiceReferencesPass(false, $this->hasProxyDumper))->process($this->container); $checkedNodes = []; $this->circularReferences = []; $this->singleUsePrivateIds = []; foreach ($this->container->getCompiler()->getServiceReferenceGraph()->getNodes() as $id => $node) { if (!$node->getValue() instanceof Definition) { continue; } if ($this->isSingleUsePrivateNode($node)) { $this->singleUsePrivateIds[$id] = $id; } $this->collectCircularReferences($id, $node->getOutEdges(), $checkedNodes); } $this->container->getCompiler()->getServiceReferenceGraph()->clear(); $this->singleUsePrivateIds = array_diff_key($this->singleUsePrivateIds, $this->circularReferences); } private function collectCircularReferences(string $sourceId, array $edges, array &$checkedNodes, array &$loops = [], array $path = [], bool $byConstructor = true): void { $path[$sourceId] = $byConstructor; $checkedNodes[$sourceId] = true; foreach ($edges as $edge) { $node = $edge->getDestNode(); $id = $node->getId(); if ($sourceId === $id || !$node->getValue() instanceof Definition || $edge->isWeak()) { continue; } if (isset($path[$id])) { $loop = null; $loopByConstructor = $edge->isReferencedByConstructor() && !$edge->isLazy(); $pathInLoop = [$id, []]; foreach ($path as $k => $pathByConstructor) { if (null !== $loop) { $loop[] = $k; $pathInLoop[1][$k] = $pathByConstructor; $loops[$k][] = &$pathInLoop; $loopByConstructor = $loopByConstructor && $pathByConstructor; } elseif ($k === $id) { $loop = []; } } $this->addCircularReferences($id, $loop, $loopByConstructor); } elseif (!isset($checkedNodes[$id])) { $this->collectCircularReferences($id, $node->getOutEdges(), $checkedNodes, $loops, $path, $edge->isReferencedByConstructor() && !$edge->isLazy()); } elseif (isset($loops[$id])) { // we already had detected loops for this edge // let's check if we have a common ancestor in one of the detected loops foreach ($loops[$id] as [$first, $loopPath]) { if (!isset($path[$first])) { continue; } // We have a common ancestor, let's fill the current path $fillPath = null; foreach ($loopPath as $k => $pathByConstructor) { if (null !== $fillPath) { $fillPath[$k] = $pathByConstructor; } elseif ($k === $id) { $fillPath = $path; $fillPath[$k] = $pathByConstructor; } } // we can now build the loop $loop = null; $loopByConstructor = $edge->isReferencedByConstructor() && !$edge->isLazy(); foreach ($fillPath as $k => $pathByConstructor) { if (null !== $loop) { $loop[] = $k; $loopByConstructor = $loopByConstructor && $pathByConstructor; } elseif ($k === $first) { $loop = []; } } $this->addCircularReferences($first, $loop, $loopByConstructor); break; } } } unset($path[$sourceId]); } private function addCircularReferences(string $sourceId, array $currentPath, bool $byConstructor) { $currentId = $sourceId; $currentPath = array_reverse($currentPath); $currentPath[] = $currentId; foreach ($currentPath as $parentId) { if (empty($this->circularReferences[$parentId][$currentId])) { $this->circularReferences[$parentId][$currentId] = $byConstructor; } $currentId = $parentId; } } private function collectLineage(string $class, array &$lineage) { if (isset($lineage[$class])) { return; } if (!$r = $this->container->getReflectionClass($class, false)) { return; } if (is_a($class, $this->baseClass, true)) { return; } $file = $r->getFileName(); if (str_ends_with($file, ') : eval()\'d code')) { $file = substr($file, 0, strrpos($file, '(', -17)); } if (!$file || $this->doExport($file) === $exportedFile = $this->export($file)) { return; } $lineage[$class] = substr($exportedFile, 1, -1); if ($parent = $r->getParentClass()) { $this->collectLineage($parent->name, $lineage); } foreach ($r->getInterfaces() as $parent) { $this->collectLineage($parent->name, $lineage); } foreach ($r->getTraits() as $parent) { $this->collectLineage($parent->name, $lineage); } unset($lineage[$class]); $lineage[$class] = substr($exportedFile, 1, -1); } private function generateProxyClasses(): array { $proxyClasses = []; $alreadyGenerated = []; $definitions = $this->container->getDefinitions(); $strip = '' === $this->docStar && method_exists(Kernel::class, 'stripComments'); $proxyDumper = $this->getProxyDumper(); ksort($definitions); foreach ($definitions as $definition) { if (!$proxyDumper->isProxyCandidate($definition)) { continue; } if (isset($alreadyGenerated[$class = $definition->getClass()])) { continue; } $alreadyGenerated[$class] = true; // register class' reflector for resource tracking $this->container->getReflectionClass($class); if ("\n" === $proxyCode = "\n".$proxyDumper->getProxyCode($definition)) { continue; } if ($this->inlineRequires) { $lineage = []; $this->collectLineage($class, $lineage); $code = ''; foreach (array_diff_key(array_flip($lineage), $this->inlinedRequires) as $file => $class) { if ($this->inlineFactories) { $this->inlinedRequires[$file] = true; } $code .= sprintf("include_once %s;\n", $file); } $proxyCode = $code.$proxyCode; } if ($strip) { $proxyCode = "inlineRequires ? substr($proxyCode, \strlen($code)) : $proxyCode, 3)[1]; if ($this->asFiles || $this->namespace) { $proxyCode .= "\nif (!\\class_exists('$proxyClass', false)) {\n \\class_alias(__NAMESPACE__.'\\\\$proxyClass', '$proxyClass', false);\n}\n"; } $proxyClasses[$proxyClass.'.php'] = $proxyCode; } return $proxyClasses; } private function addServiceInclude(string $cId, Definition $definition): string { $code = ''; if ($this->inlineRequires && (!$this->isHotPath($definition) || $this->getProxyDumper()->isProxyCandidate($definition))) { $lineage = []; foreach ($this->inlinedDefinitions as $def) { if (!$def->isDeprecated()) { foreach ($this->getClasses($def, $cId) as $class) { $this->collectLineage($class, $lineage); } } } foreach ($this->serviceCalls as $id => [$callCount, $behavior]) { if ('service_container' !== $id && $id !== $cId && ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE !== $behavior && $this->container->has($id) && $this->isTrivialInstance($def = $this->container->findDefinition($id)) ) { foreach ($this->getClasses($def, $cId) as $class) { $this->collectLineage($class, $lineage); } } } foreach (array_diff_key(array_flip($lineage), $this->inlinedRequires) as $file => $class) { $code .= sprintf(" include_once %s;\n", $file); } } foreach ($this->inlinedDefinitions as $def) { if ($file = $def->getFile()) { $file = $this->dumpValue($file); $file = '(' === $file[0] ? substr($file, 1, -1) : $file; $code .= sprintf(" include_once %s;\n", $file); } } if ('' !== $code) { $code .= "\n"; } return $code; } /** * @throws InvalidArgumentException * @throws RuntimeException */ private function addServiceInstance(string $id, Definition $definition, bool $isSimpleInstance): string { $class = $this->dumpValue($definition->getClass()); if (str_starts_with($class, "'") && !str_contains($class, '$') && !preg_match('/^\'(?:\\\{2})?[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*(?:\\\{2}[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)*\'$/', $class)) { throw new InvalidArgumentException(sprintf('"%s" is not a valid class name for the "%s" service.', $class, $id)); } $isProxyCandidate = $this->getProxyDumper()->isProxyCandidate($definition); $instantiation = ''; $lastWitherIndex = null; foreach ($definition->getMethodCalls() as $k => $call) { if ($call[2] ?? false) { $lastWitherIndex = $k; } } if (!$isProxyCandidate && $definition->isShared() && !isset($this->singleUsePrivateIds[$id]) && null === $lastWitherIndex) { $instantiation = sprintf('$this->%s[%s] = %s', $this->container->getDefinition($id)->isPublic() ? 'services' : 'privates', $this->doExport($id), $isSimpleInstance ? '' : '$instance'); } elseif (!$isSimpleInstance) { $instantiation = '$instance'; } $return = ''; if ($isSimpleInstance) { $return = 'return '; } else { $instantiation .= ' = '; } return $this->addNewInstance($definition, ' '.$return.$instantiation, $id); } private function isTrivialInstance(Definition $definition): bool { if ($definition->hasErrors()) { return true; } if ($definition->isSynthetic() || $definition->getFile() || $definition->getMethodCalls() || $definition->getProperties() || $definition->getConfigurator()) { return false; } if ($definition->isDeprecated() || $definition->isLazy() || $definition->getFactory() || 3 < \count($definition->getArguments())) { return false; } foreach ($definition->getArguments() as $arg) { if (!$arg || $arg instanceof Parameter) { continue; } if (\is_array($arg) && 3 >= \count($arg)) { foreach ($arg as $k => $v) { if ($this->dumpValue($k) !== $this->dumpValue($k, false)) { return false; } if (!$v || $v instanceof Parameter) { continue; } if ($v instanceof Reference && $this->container->has($id = (string) $v) && $this->container->findDefinition($id)->isSynthetic()) { continue; } if (!\is_scalar($v) || $this->dumpValue($v) !== $this->dumpValue($v, false)) { return false; } } } elseif ($arg instanceof Reference && $this->container->has($id = (string) $arg) && $this->container->findDefinition($id)->isSynthetic()) { continue; } elseif (!\is_scalar($arg) || $this->dumpValue($arg) !== $this->dumpValue($arg, false)) { return false; } } return true; } private function addServiceMethodCalls(Definition $definition, string $variableName, ?string $sharedNonLazyId): string { $lastWitherIndex = null; foreach ($definition->getMethodCalls() as $k => $call) { if ($call[2] ?? false) { $lastWitherIndex = $k; } } $calls = ''; foreach ($definition->getMethodCalls() as $k => $call) { $arguments = []; foreach ($call[1] as $i => $value) { $arguments[] = (\is_string($i) ? $i.': ' : '').$this->dumpValue($value); } $witherAssignation = ''; if ($call[2] ?? false) { if (null !== $sharedNonLazyId && $lastWitherIndex === $k && 'instance' === $variableName) { $witherAssignation = sprintf('$this->%s[\'%s\'] = ', $definition->isPublic() ? 'services' : 'privates', $sharedNonLazyId); } $witherAssignation .= sprintf('$%s = ', $variableName); } $calls .= $this->wrapServiceConditionals($call[1], sprintf(" %s\$%s->%s(%s);\n", $witherAssignation, $variableName, $call[0], implode(', ', $arguments))); } return $calls; } private function addServiceProperties(Definition $definition, string $variableName = 'instance'): string { $code = ''; foreach ($definition->getProperties() as $name => $value) { $code .= sprintf(" \$%s->%s = %s;\n", $variableName, $name, $this->dumpValue($value)); } return $code; } private function addServiceConfigurator(Definition $definition, string $variableName = 'instance'): string { if (!$callable = $definition->getConfigurator()) { return ''; } if (\is_array($callable)) { if ($callable[0] instanceof Reference || ($callable[0] instanceof Definition && $this->definitionVariables->contains($callable[0])) ) { return sprintf(" %s->%s(\$%s);\n", $this->dumpValue($callable[0]), $callable[1], $variableName); } $class = $this->dumpValue($callable[0]); // If the class is a string we can optimize away if (str_starts_with($class, "'") && !str_contains($class, '$')) { return sprintf(" %s::%s(\$%s);\n", $this->dumpLiteralClass($class), $callable[1], $variableName); } if (str_starts_with($class, 'new ')) { return sprintf(" (%s)->%s(\$%s);\n", $this->dumpValue($callable[0]), $callable[1], $variableName); } return sprintf(" [%s, '%s'](\$%s);\n", $this->dumpValue($callable[0]), $callable[1], $variableName); } return sprintf(" %s(\$%s);\n", $callable, $variableName); } private function addService(string $id, Definition $definition): array { $this->definitionVariables = new \SplObjectStorage(); $this->referenceVariables = []; $this->variableCount = 0; $this->referenceVariables[$id] = new Variable('instance'); $return = []; if ($class = $definition->getClass()) { $class = $class instanceof Parameter ? '%'.$class.'%' : $this->container->resolveEnvPlaceholders($class); $return[] = sprintf(str_starts_with($class, '%') ? '@return object A %1$s instance' : '@return \%s', ltrim($class, '\\')); } elseif ($definition->getFactory()) { $factory = $definition->getFactory(); if (\is_string($factory)) { $return[] = sprintf('@return object An instance returned by %s()', $factory); } elseif (\is_array($factory) && (\is_string($factory[0]) || $factory[0] instanceof Definition || $factory[0] instanceof Reference)) { $class = $factory[0] instanceof Definition ? $factory[0]->getClass() : (string) $factory[0]; $class = $class instanceof Parameter ? '%'.$class.'%' : $this->container->resolveEnvPlaceholders($class); $return[] = sprintf('@return object An instance returned by %s::%s()', $class, $factory[1]); } } if ($definition->isDeprecated()) { if ($return && str_starts_with($return[\count($return) - 1], '@return')) { $return[] = ''; } $deprecation = $definition->getDeprecation($id); $return[] = sprintf('@deprecated %s', ($deprecation['package'] || $deprecation['version'] ? "Since {$deprecation['package']} {$deprecation['version']}: " : '').$deprecation['message']); } $return = str_replace("\n * \n", "\n *\n", implode("\n * ", $return)); $return = $this->container->resolveEnvPlaceholders($return); $shared = $definition->isShared() ? ' shared' : ''; $public = $definition->isPublic() ? 'public' : 'private'; $autowired = $definition->isAutowired() ? ' autowired' : ''; $asFile = $this->asFiles && !$this->inlineFactories && !$this->isHotPath($definition); $methodName = $this->generateMethodName($id); if ($asFile || $definition->isLazy()) { $lazyInitialization = '$lazyLoad = true'; } else { $lazyInitialization = ''; } $code = <<docStar} * Gets the $public '$id'$shared$autowired service. * * $return EOF; $code = str_replace('*/', ' ', $code).<<hasErrors() && $e = $definition->getErrors()) { $code .= sprintf(" throw new RuntimeException(%s);\n", $this->export(reset($e))); } else { $this->serviceCalls = []; $this->inlinedDefinitions = $this->getDefinitionsFromArguments([$definition], null, $this->serviceCalls); if ($definition->isDeprecated()) { $deprecation = $definition->getDeprecation($id); $code .= sprintf(" trigger_deprecation(%s, %s, %s);\n\n", $this->export($deprecation['package']), $this->export($deprecation['version']), $this->export($deprecation['message'])); } elseif ($definition->hasTag($this->hotPathTag) || !$definition->hasTag($this->preloadTags[1])) { foreach ($this->inlinedDefinitions as $def) { foreach ($this->getClasses($def, $id) as $class) { $this->preload[$class] = $class; } } } if (!$definition->isShared()) { $factory = sprintf('$this->factories%s[%s]', $definition->isPublic() ? '' : "['service_container']", $this->doExport($id)); } if ($isProxyCandidate = $this->getProxyDumper()->isProxyCandidate($definition)) { if (!$definition->isShared()) { $code .= sprintf(' %s = %1$s ?? ', $factory); if ($asFile) { $code .= "function () {\n"; $code .= " return self::do(\$container);\n"; $code .= " };\n\n"; } else { $code .= sprintf("\\Closure::fromCallable([\$this, '%s']);\n\n", $methodName); } } $factoryCode = $asFile ? 'self::do($container, false)' : sprintf('$this->%s(false)', $methodName); $factoryCode = $this->getProxyDumper()->getProxyFactoryCode($definition, $id, $factoryCode); $code .= $asFile ? preg_replace('/function \(([^)]*+)\)( {|:)/', 'function (\1) use ($container)\2', $factoryCode) : $factoryCode; } $c = $this->addServiceInclude($id, $definition); if ('' !== $c && $isProxyCandidate && !$definition->isShared()) { $c = implode("\n", array_map(function ($line) { return $line ? ' '.$line : $line; }, explode("\n", $c))); $code .= " static \$include = true;\n\n"; $code .= " if (\$include) {\n"; $code .= $c; $code .= " \$include = false;\n"; $code .= " }\n\n"; } else { $code .= $c; } $c = $this->addInlineService($id, $definition); if (!$isProxyCandidate && !$definition->isShared()) { $c = implode("\n", array_map(function ($line) { return $line ? ' '.$line : $line; }, explode("\n", $c))); $lazyloadInitialization = $definition->isLazy() ? '$lazyLoad = true' : ''; $c = sprintf(" %s = function (%s) {\n%s };\n\n return %1\$s();\n", $factory, $lazyloadInitialization, $c); } $code .= $c; } if ($asFile) { $code = str_replace('$this', '$container', $code); $code = preg_replace('/function \(([^)]*+)\)( {|:)/', 'function (\1) use ($container)\2', $code); } $code .= " }\n"; $this->definitionVariables = $this->inlinedDefinitions = null; $this->referenceVariables = $this->serviceCalls = null; return [$file, $code]; } private function addInlineVariables(string $id, Definition $definition, array $arguments, bool $forConstructor): string { $code = ''; foreach ($arguments as $argument) { if (\is_array($argument)) { $code .= $this->addInlineVariables($id, $definition, $argument, $forConstructor); } elseif ($argument instanceof Reference) { $code .= $this->addInlineReference($id, $definition, $argument, $forConstructor); } elseif ($argument instanceof Definition) { $code .= $this->addInlineService($id, $definition, $argument, $forConstructor); } } return $code; } private function addInlineReference(string $id, Definition $definition, string $targetId, bool $forConstructor): string { while ($this->container->hasAlias($targetId)) { $targetId = (string) $this->container->getAlias($targetId); } [$callCount, $behavior] = $this->serviceCalls[$targetId]; if ($id === $targetId) { return $this->addInlineService($id, $definition, $definition); } if ('service_container' === $targetId || isset($this->referenceVariables[$targetId])) { return ''; } if ($this->container->hasDefinition($targetId) && ($def = $this->container->getDefinition($targetId)) && !$def->isShared()) { return ''; } $hasSelfRef = isset($this->circularReferences[$id][$targetId]) && !isset($this->definitionVariables[$definition]) && !($this->hasProxyDumper && $definition->isLazy()); if ($hasSelfRef && !$forConstructor && !$forConstructor = !$this->circularReferences[$id][$targetId]) { $code = $this->addInlineService($id, $definition, $definition); } else { $code = ''; } if (isset($this->referenceVariables[$targetId]) || (2 > $callCount && (!$hasSelfRef || !$forConstructor))) { return $code; } $name = $this->getNextVariableName(); $this->referenceVariables[$targetId] = new Variable($name); $reference = ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE >= $behavior ? new Reference($targetId, $behavior) : null; $code .= sprintf(" \$%s = %s;\n", $name, $this->getServiceCall($targetId, $reference)); if (!$hasSelfRef || !$forConstructor) { return $code; } $code .= sprintf(<<<'EOTXT' if (isset($this->%s[%s])) { return $this->%1$s[%2$s]; } EOTXT , $this->container->getDefinition($id)->isPublic() ? 'services' : 'privates', $this->doExport($id) ); return $code; } private function addInlineService(string $id, Definition $definition, Definition $inlineDef = null, bool $forConstructor = true): string { $code = ''; if ($isSimpleInstance = $isRootInstance = null === $inlineDef) { foreach ($this->serviceCalls as $targetId => [$callCount, $behavior, $byConstructor]) { if ($byConstructor && isset($this->circularReferences[$id][$targetId]) && !$this->circularReferences[$id][$targetId] && !($this->hasProxyDumper && $definition->isLazy())) { $code .= $this->addInlineReference($id, $definition, $targetId, $forConstructor); } } } if (isset($this->definitionVariables[$inlineDef = $inlineDef ?: $definition])) { return $code; } $arguments = [$inlineDef->getArguments(), $inlineDef->getFactory()]; $code .= $this->addInlineVariables($id, $definition, $arguments, $forConstructor); if ($arguments = array_filter([$inlineDef->getProperties(), $inlineDef->getMethodCalls(), $inlineDef->getConfigurator()])) { $isSimpleInstance = false; } elseif ($definition !== $inlineDef && 2 > $this->inlinedDefinitions[$inlineDef]) { return $code; } if (isset($this->definitionVariables[$inlineDef])) { $isSimpleInstance = false; } else { $name = $definition === $inlineDef ? 'instance' : $this->getNextVariableName(); $this->definitionVariables[$inlineDef] = new Variable($name); $code .= '' !== $code ? "\n" : ''; if ('instance' === $name) { $code .= $this->addServiceInstance($id, $definition, $isSimpleInstance); } else { $code .= $this->addNewInstance($inlineDef, ' $'.$name.' = ', $id); } if ('' !== $inline = $this->addInlineVariables($id, $definition, $arguments, false)) { $code .= "\n".$inline."\n"; } elseif ($arguments && 'instance' === $name) { $code .= "\n"; } $code .= $this->addServiceProperties($inlineDef, $name); $code .= $this->addServiceMethodCalls($inlineDef, $name, !$this->getProxyDumper()->isProxyCandidate($inlineDef) && $inlineDef->isShared() && !isset($this->singleUsePrivateIds[$id]) ? $id : null); $code .= $this->addServiceConfigurator($inlineDef, $name); } if ($isRootInstance && !$isSimpleInstance) { $code .= "\n return \$instance;\n"; } return $code; } private function addServices(array &$services = null): string { $publicServices = $privateServices = ''; $definitions = $this->container->getDefinitions(); ksort($definitions); foreach ($definitions as $id => $definition) { if (!$definition->isSynthetic()) { $services[$id] = $this->addService($id, $definition); } elseif ($definition->hasTag($this->hotPathTag) || !$definition->hasTag($this->preloadTags[1])) { $services[$id] = null; foreach ($this->getClasses($definition, $id) as $class) { $this->preload[$class] = $class; } } } foreach ($definitions as $id => $definition) { if (!([$file, $code] = $services[$id]) || null !== $file) { continue; } if ($definition->isPublic()) { $publicServices .= $code; } elseif (!$this->isTrivialInstance($definition) || isset($this->locatedIds[$id])) { $privateServices .= $code; } } return $publicServices.$privateServices; } private function generateServiceFiles(array $services): iterable { $definitions = $this->container->getDefinitions(); ksort($definitions); foreach ($definitions as $id => $definition) { if (([$file, $code] = $services[$id]) && null !== $file && ($definition->isPublic() || !$this->isTrivialInstance($definition) || isset($this->locatedIds[$id]))) { yield $file => [$code, $definition->hasTag($this->hotPathTag) || !$definition->hasTag($this->preloadTags[1]) && !$definition->isDeprecated() && !$definition->hasErrors()]; } } } private function addNewInstance(Definition $definition, string $return = '', string $id = null): string { $tail = $return ? ";\n" : ''; if (BaseServiceLocator::class === $definition->getClass() && $definition->hasTag($this->serviceLocatorTag)) { $arguments = []; foreach ($definition->getArgument(0) as $k => $argument) { $arguments[$k] = $argument->getValues()[0]; } return $return.$this->dumpValue(new ServiceLocatorArgument($arguments)).$tail; } $arguments = []; foreach ($definition->getArguments() as $i => $value) { $arguments[] = (\is_string($i) ? $i.': ' : '').$this->dumpValue($value); } if (null !== $definition->getFactory()) { $callable = $definition->getFactory(); if (\is_array($callable)) { if (!preg_match('/^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*$/', $callable[1])) { throw new RuntimeException(sprintf('Cannot dump definition because of invalid factory method (%s).', $callable[1] ?: 'n/a')); } if ($callable[0] instanceof Reference || ($callable[0] instanceof Definition && $this->definitionVariables->contains($callable[0]))) { return $return.sprintf('%s->%s(%s)', $this->dumpValue($callable[0]), $callable[1], $arguments ? implode(', ', $arguments) : '').$tail; } $class = $this->dumpValue($callable[0]); // If the class is a string we can optimize away if (str_starts_with($class, "'") && !str_contains($class, '$')) { if ("''" === $class) { throw new RuntimeException(sprintf('Cannot dump definition: "%s" service is defined to be created by a factory but is missing the service reference, did you forget to define the factory service id or class?', $id ? 'The "'.$id.'"' : 'inline')); } return $return.sprintf('%s::%s(%s)', $this->dumpLiteralClass($class), $callable[1], $arguments ? implode(', ', $arguments) : '').$tail; } if (str_starts_with($class, 'new ')) { return $return.sprintf('(%s)->%s(%s)', $class, $callable[1], $arguments ? implode(', ', $arguments) : '').$tail; } return $return.sprintf("[%s, '%s'](%s)", $class, $callable[1], $arguments ? implode(', ', $arguments) : '').$tail; } return $return.sprintf('%s(%s)', $this->dumpLiteralClass($this->dumpValue($callable)), $arguments ? implode(', ', $arguments) : '').$tail; } if (null === $class = $definition->getClass()) { throw new RuntimeException('Cannot dump definitions which have no class nor factory.'); } return $return.sprintf('new %s(%s)', $this->dumpLiteralClass($this->dumpValue($class)), implode(', ', $arguments)).$tail; } private function startClass(string $class, string $baseClass, bool $hasProxyClasses): string { $namespaceLine = !$this->asFiles && $this->namespace ? "\nnamespace {$this->namespace};\n" : ''; $code = <<docStar} * @internal This class has been auto-generated by the Symfony Dependency Injection Component. */ class $class extends $baseClass { protected \$parameters = []; public function __construct() { EOF; if ($this->asFiles) { $code = str_replace('$parameters = []', "\$containerDir;\n protected \$parameters = [];\n private \$buildParameters", $code); $code = str_replace('__construct()', '__construct(array $buildParameters = [], $containerDir = __DIR__)', $code); $code .= " \$this->buildParameters = \$buildParameters;\n"; $code .= " \$this->containerDir = \$containerDir;\n"; if (null !== $this->targetDirRegex) { $code = str_replace('$parameters = []', "\$targetDir;\n protected \$parameters = []", $code); $code .= ' $this->targetDir = \\dirname($containerDir);'."\n"; } } if (Container::class !== $this->baseClass) { $r = $this->container->getReflectionClass($this->baseClass, false); if (null !== $r && (null !== $constructor = $r->getConstructor()) && 0 === $constructor->getNumberOfRequiredParameters() && Container::class !== $constructor->getDeclaringClass()->name ) { $code .= " parent::__construct();\n"; $code .= " \$this->parameterBag = null;\n\n"; } } if ($this->container->getParameterBag()->all()) { $code .= " \$this->parameters = \$this->getDefaultParameters();\n\n"; } $code .= " \$this->services = \$this->privates = [];\n"; $code .= $this->addSyntheticIds(); $code .= $this->addMethodMap(); $code .= $this->asFiles && !$this->inlineFactories ? $this->addFileMap() : ''; $code .= $this->addAliases(); $code .= $this->addInlineRequires($hasProxyClasses); $code .= <<addRemovedIds(); if ($this->asFiles && !$this->inlineFactories) { $code .= <<<'EOF' protected function load($file, $lazyLoad = true) { if (class_exists($class = __NAMESPACE__.'\\'.$file, false)) { return $class::do($this, $lazyLoad); } if ('.' === $file[-4]) { $class = substr($class, 0, -4); } else { $file .= '.php'; } $service = require $this->containerDir.\DIRECTORY_SEPARATOR.$file; return class_exists($class, false) ? $class::do($this, $lazyLoad) : $service; } EOF; } $proxyDumper = $this->getProxyDumper(); foreach ($this->container->getDefinitions() as $definition) { if (!$proxyDumper->isProxyCandidate($definition)) { continue; } if ($this->asFiles && !$this->inlineFactories) { $proxyLoader = "class_exists(\$class, false) || require __DIR__.'/'.\$class.'.php';\n\n "; } else { $proxyLoader = ''; } $code .= <<container->getDefinitions(); ksort($definitions); foreach ($definitions as $id => $definition) { if ($definition->isSynthetic() && 'service_container' !== $id) { $code .= ' '.$this->doExport($id)." => true,\n"; } } return $code ? " \$this->syntheticIds = [\n{$code} ];\n" : ''; } private function addRemovedIds(): string { $ids = $this->container->getRemovedIds(); foreach ($this->container->getDefinitions() as $id => $definition) { if (!$definition->isPublic()) { $ids[$id] = true; } } if (!$ids) { return ''; } if ($this->asFiles) { $code = "require \$this->containerDir.\\DIRECTORY_SEPARATOR.'removed-ids.php'"; } else { $code = ''; $ids = array_keys($ids); sort($ids); foreach ($ids as $id) { if (preg_match(FileLoader::ANONYMOUS_ID_REGEXP, $id)) { continue; } $code .= ' '.$this->doExport($id)." => true,\n"; } $code = "[\n{$code} ]"; } return <<container->getDefinitions(); ksort($definitions); foreach ($definitions as $id => $definition) { if (!$definition->isSynthetic() && $definition->isPublic() && (!$this->asFiles || $this->inlineFactories || $this->isHotPath($definition))) { $code .= ' '.$this->doExport($id).' => '.$this->doExport($this->generateMethodName($id)).",\n"; } } $aliases = $this->container->getAliases(); foreach ($aliases as $alias => $id) { if (!$id->isDeprecated()) { continue; } $code .= ' '.$this->doExport($alias).' => '.$this->doExport($this->generateMethodName($alias)).",\n"; } return $code ? " \$this->methodMap = [\n{$code} ];\n" : ''; } private function addFileMap(): string { $code = ''; $definitions = $this->container->getDefinitions(); ksort($definitions); foreach ($definitions as $id => $definition) { if (!$definition->isSynthetic() && $definition->isPublic() && !$this->isHotPath($definition)) { $code .= sprintf(" %s => '%s',\n", $this->doExport($id), $this->generateMethodName($id)); } } return $code ? " \$this->fileMap = [\n{$code} ];\n" : ''; } private function addAliases(): string { if (!$aliases = $this->container->getAliases()) { return "\n \$this->aliases = [];\n"; } $code = " \$this->aliases = [\n"; ksort($aliases); foreach ($aliases as $alias => $id) { if ($id->isDeprecated()) { continue; } $id = (string) $id; while (isset($aliases[$id])) { $id = (string) $aliases[$id]; } $code .= ' '.$this->doExport($alias).' => '.$this->doExport($id).",\n"; } return $code." ];\n"; } private function addDeprecatedAliases(): string { $code = ''; $aliases = $this->container->getAliases(); foreach ($aliases as $alias => $definition) { if (!$definition->isDeprecated()) { continue; } $public = $definition->isPublic() ? 'public' : 'private'; $id = (string) $definition; $methodNameAlias = $this->generateMethodName($alias); $idExported = $this->export($id); $deprecation = $definition->getDeprecation($alias); $packageExported = $this->export($deprecation['package']); $versionExported = $this->export($deprecation['version']); $messageExported = $this->export($deprecation['message']); $code .= <<docStar} * Gets the $public '$alias' alias. * * @return object The "$id" service. */ protected function {$methodNameAlias}() { trigger_deprecation($packageExported, $versionExported, $messageExported); return \$this->get($idExported); } EOF; } return $code; } private function addInlineRequires(bool $hasProxyClasses): string { $lineage = []; $hotPathServices = $this->hotPathTag && $this->inlineRequires ? $this->container->findTaggedServiceIds($this->hotPathTag) : []; foreach ($hotPathServices as $id => $tags) { $definition = $this->container->getDefinition($id); if ($this->getProxyDumper()->isProxyCandidate($definition)) { continue; } $inlinedDefinitions = $this->getDefinitionsFromArguments([$definition]); foreach ($inlinedDefinitions as $def) { foreach ($this->getClasses($def, $id) as $class) { $this->collectLineage($class, $lineage); } } } $code = ''; foreach ($lineage as $file) { if (!isset($this->inlinedRequires[$file])) { $this->inlinedRequires[$file] = true; $code .= sprintf("\n include_once %s;", $file); } } if ($hasProxyClasses) { $code .= "\n include_once __DIR__.'/proxy-classes.php';"; } return $code ? sprintf("\n \$this->privates['service_container'] = function () {%s\n };\n", $code) : ''; } private function addDefaultParametersMethod(): string { if (!$this->container->getParameterBag()->all()) { return ''; } $php = []; $dynamicPhp = []; foreach ($this->container->getParameterBag()->all() as $key => $value) { if ($key !== $resolvedKey = $this->container->resolveEnvPlaceholders($key)) { throw new InvalidArgumentException(sprintf('Parameter name cannot use env parameters: "%s".', $resolvedKey)); } $hasEnum = false; $export = $this->exportParameters([$value], '', 12, $hasEnum); $export = explode('0 => ', substr(rtrim($export, " ]\n"), 2, -1), 2); if ($hasEnum || preg_match("/\\\$this->(?:getEnv\('(?:[-.\w]*+:)*+\w++'\)|targetDir\.'')/", $export[1])) { $dynamicPhp[$key] = sprintf('%scase %s: $value = %s; break;', $export[0], $this->export($key), $export[1]); } else { $php[] = sprintf('%s%s => %s,', $export[0], $this->export($key), $export[1]); } } $parameters = sprintf("[\n%s\n%s]", implode("\n", $php), str_repeat(' ', 8)); $code = <<<'EOF' public function getParameter(string $name): array|bool|string|int|float|\UnitEnum|null { if (isset($this->buildParameters[$name])) { return $this->buildParameters[$name]; } if (!(isset($this->parameters[$name]) || isset($this->loadedDynamicParameters[$name]) || \array_key_exists($name, $this->parameters))) { throw new InvalidArgumentException(sprintf('The parameter "%s" must be defined.', $name)); } if (isset($this->loadedDynamicParameters[$name])) { return $this->loadedDynamicParameters[$name] ? $this->dynamicParameters[$name] : $this->getDynamicParameter($name); } return $this->parameters[$name]; } public function hasParameter(string $name): bool { if (isset($this->buildParameters[$name])) { return true; } return isset($this->parameters[$name]) || isset($this->loadedDynamicParameters[$name]) || \array_key_exists($name, $this->parameters); } public function setParameter(string $name, $value): void { throw new LogicException('Impossible to call set() on a frozen ParameterBag.'); } public function getParameterBag(): ParameterBagInterface { if (null === $this->parameterBag) { $parameters = $this->parameters; foreach ($this->loadedDynamicParameters as $name => $loaded) { $parameters[$name] = $loaded ? $this->dynamicParameters[$name] : $this->getDynamicParameter($name); } foreach ($this->buildParameters as $name => $value) { $parameters[$name] = $value; } $this->parameterBag = new FrozenParameterBag($parameters); } return $this->parameterBag; } EOF; if (!$this->asFiles) { $code = preg_replace('/^.*buildParameters.*\n.*\n.*\n\n?/m', '', $code); } if ($dynamicPhp) { $loadedDynamicParameters = $this->exportParameters(array_combine(array_keys($dynamicPhp), array_fill(0, \count($dynamicPhp), false)), '', 8); $getDynamicParameter = <<<'EOF' switch ($name) { %s default: throw new InvalidArgumentException(sprintf('The dynamic parameter "%%s" must be defined.', $name)); } $this->loadedDynamicParameters[$name] = true; return $this->dynamicParameters[$name] = $value; EOF; $getDynamicParameter = sprintf($getDynamicParameter, implode("\n", $dynamicPhp)); } else { $loadedDynamicParameters = '[]'; $getDynamicParameter = str_repeat(' ', 8).'throw new InvalidArgumentException(sprintf(\'The dynamic parameter "%s" must be defined.\', $name));'; } $code .= << $value) { if (\is_array($value)) { $value = $this->exportParameters($value, $path.'/'.$key, $indent + 4, $hasEnum); } elseif ($value instanceof ArgumentInterface) { throw new InvalidArgumentException(sprintf('You cannot dump a container with parameters that contain special arguments. "%s" found in "%s".', get_debug_type($value), $path.'/'.$key)); } elseif ($value instanceof Variable) { throw new InvalidArgumentException(sprintf('You cannot dump a container with parameters that contain variable references. Variable "%s" found in "%s".', $value, $path.'/'.$key)); } elseif ($value instanceof Definition) { throw new InvalidArgumentException(sprintf('You cannot dump a container with parameters that contain service definitions. Definition for "%s" found in "%s".', $value->getClass(), $path.'/'.$key)); } elseif ($value instanceof Reference) { throw new InvalidArgumentException(sprintf('You cannot dump a container with parameters that contain references to other services (reference to service "%s" found in "%s").', $value, $path.'/'.$key)); } elseif ($value instanceof Expression) { throw new InvalidArgumentException(sprintf('You cannot dump a container with parameters that contain expressions. Expression "%s" found in "%s".', $value, $path.'/'.$key)); } elseif ($value instanceof \UnitEnum) { $hasEnum = true; $value = sprintf('\%s::%s', \get_class($value), $value->name); } else { $value = $this->export($value); } $php[] = sprintf('%s%s => %s,', str_repeat(' ', $indent), $this->export($key), $value); } return sprintf("[\n%s\n%s]", implode("\n", $php), str_repeat(' ', $indent - 4)); } private function endClass(): string { return <<<'EOF' } EOF; } private function wrapServiceConditionals(mixed $value, string $code): string { if (!$condition = $this->getServiceConditionals($value)) { return $code; } // re-indent the wrapped code $code = implode("\n", array_map(function ($line) { return $line ? ' '.$line : $line; }, explode("\n", $code))); return sprintf(" if (%s) {\n%s }\n", $condition, $code); } private function getServiceConditionals(mixed $value): string { $conditions = []; foreach (ContainerBuilder::getInitializedConditionals($value) as $service) { if (!$this->container->hasDefinition($service)) { return 'false'; } $conditions[] = sprintf('isset($this->%s[%s])', $this->container->getDefinition($service)->isPublic() ? 'services' : 'privates', $this->doExport($service)); } foreach (ContainerBuilder::getServiceConditionals($value) as $service) { if ($this->container->hasDefinition($service) && !$this->container->getDefinition($service)->isPublic()) { continue; } $conditions[] = sprintf('$this->has(%s)', $this->doExport($service)); } if (!$conditions) { return ''; } return implode(' && ', $conditions); } private function getDefinitionsFromArguments(array $arguments, \SplObjectStorage $definitions = null, array &$calls = [], bool $byConstructor = null): \SplObjectStorage { if (null === $definitions) { $definitions = new \SplObjectStorage(); } foreach ($arguments as $argument) { if (\is_array($argument)) { $this->getDefinitionsFromArguments($argument, $definitions, $calls, $byConstructor); } elseif ($argument instanceof Reference) { $id = (string) $argument; while ($this->container->hasAlias($id)) { $id = (string) $this->container->getAlias($id); } if (!isset($calls[$id])) { $calls[$id] = [0, $argument->getInvalidBehavior(), $byConstructor]; } else { $calls[$id][1] = min($calls[$id][1], $argument->getInvalidBehavior()); } ++$calls[$id][0]; } elseif (!$argument instanceof Definition) { // no-op } elseif (isset($definitions[$argument])) { $definitions[$argument] = 1 + $definitions[$argument]; } else { $definitions[$argument] = 1; $arguments = [$argument->getArguments(), $argument->getFactory()]; $this->getDefinitionsFromArguments($arguments, $definitions, $calls, null === $byConstructor || $byConstructor); $arguments = [$argument->getProperties(), $argument->getMethodCalls(), $argument->getConfigurator()]; $this->getDefinitionsFromArguments($arguments, $definitions, $calls, null !== $byConstructor && $byConstructor); } } return $definitions; } /** * @throws RuntimeException */ private function dumpValue(mixed $value, bool $interpolate = true): string { if (\is_array($value)) { if ($value && $interpolate && false !== $param = array_search($value, $this->container->getParameterBag()->all(), true)) { return $this->dumpValue("%$param%"); } $code = []; foreach ($value as $k => $v) { $code[] = sprintf('%s => %s', $this->dumpValue($k, $interpolate), $this->dumpValue($v, $interpolate)); } return sprintf('[%s]', implode(', ', $code)); } elseif ($value instanceof ArgumentInterface) { $scope = [$this->definitionVariables, $this->referenceVariables]; $this->definitionVariables = $this->referenceVariables = null; try { if ($value instanceof ServiceClosureArgument) { $value = $value->getValues()[0]; $code = $this->dumpValue($value, $interpolate); $returnedType = ''; if ($value instanceof TypedReference) { $returnedType = sprintf(': %s\%s', ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE >= $value->getInvalidBehavior() ? '' : '?', str_replace(['|', '&'], ['|\\', '&\\'], $value->getType())); } $code = sprintf('return %s;', $code); return sprintf("function ()%s {\n %s\n }", $returnedType, $code); } if ($value instanceof IteratorArgument) { $operands = [0]; $code = []; $code[] = 'new RewindableGenerator(function () {'; if (!$values = $value->getValues()) { $code[] = ' return new \EmptyIterator();'; } else { $countCode = []; $countCode[] = 'function () {'; foreach ($values as $k => $v) { ($c = $this->getServiceConditionals($v)) ? $operands[] = "(int) ($c)" : ++$operands[0]; $v = $this->wrapServiceConditionals($v, sprintf(" yield %s => %s;\n", $this->dumpValue($k, $interpolate), $this->dumpValue($v, $interpolate))); foreach (explode("\n", $v) as $v) { if ($v) { $code[] = ' '.$v; } } } $countCode[] = sprintf(' return %s;', implode(' + ', $operands)); $countCode[] = ' }'; } $code[] = sprintf(' }, %s)', \count($operands) > 1 ? implode("\n", $countCode) : $operands[0]); return implode("\n", $code); } if ($value instanceof ServiceLocatorArgument) { $serviceMap = ''; $serviceTypes = ''; foreach ($value->getValues() as $k => $v) { if (!$v) { continue; } $id = (string) $v; while ($this->container->hasAlias($id)) { $id = (string) $this->container->getAlias($id); } $definition = $this->container->getDefinition($id); $load = !($definition->hasErrors() && $e = $definition->getErrors()) ? $this->asFiles && !$this->inlineFactories && !$this->isHotPath($definition) : reset($e); $serviceMap .= sprintf("\n %s => [%s, %s, %s, %s],", $this->export($k), $this->export($definition->isShared() ? ($definition->isPublic() ? 'services' : 'privates') : false), $this->doExport($id), $this->export(ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE !== $v->getInvalidBehavior() && !\is_string($load) ? $this->generateMethodName($id) : null), $this->export($load) ); $serviceTypes .= sprintf("\n %s => %s,", $this->export($k), $this->export($v instanceof TypedReference ? $v->getType() : '?')); $this->locatedIds[$id] = true; } $this->addGetService = true; return sprintf('new \%s($this->getService, [%s%s], [%s%s])', ServiceLocator::class, $serviceMap, $serviceMap ? "\n " : '', $serviceTypes, $serviceTypes ? "\n " : ''); } } finally { [$this->definitionVariables, $this->referenceVariables] = $scope; } } elseif ($value instanceof Definition) { if ($value->hasErrors() && $e = $value->getErrors()) { return sprintf('throw new RuntimeException(%s)', $this->export(reset($e))); } if (null !== $this->definitionVariables && $this->definitionVariables->contains($value)) { return $this->dumpValue($this->definitionVariables[$value], $interpolate); } if ($value->getMethodCalls()) { throw new RuntimeException('Cannot dump definitions which have method calls.'); } if ($value->getProperties()) { throw new RuntimeException('Cannot dump definitions which have properties.'); } if (null !== $value->getConfigurator()) { throw new RuntimeException('Cannot dump definitions which have a configurator.'); } return $this->addNewInstance($value); } elseif ($value instanceof Variable) { return '$'.$value; } elseif ($value instanceof Reference) { $id = (string) $value; while ($this->container->hasAlias($id)) { $id = (string) $this->container->getAlias($id); } if (null !== $this->referenceVariables && isset($this->referenceVariables[$id])) { return $this->dumpValue($this->referenceVariables[$id], $interpolate); } return $this->getServiceCall($id, $value); } elseif ($value instanceof Expression) { return $this->getExpressionLanguage()->compile((string) $value, ['this' => 'container']); } elseif ($value instanceof Parameter) { return $this->dumpParameter($value); } elseif (true === $interpolate && \is_string($value)) { if (preg_match('/^%([^%]+)%$/', $value, $match)) { // we do this to deal with non string values (Boolean, integer, ...) // the preg_replace_callback converts them to strings return $this->dumpParameter($match[1]); } else { $replaceParameters = function ($match) { return "'.".$this->dumpParameter($match[2]).".'"; }; $code = str_replace('%%', '%', preg_replace_callback('/(?export($value))); return $code; } } elseif ($value instanceof \UnitEnum) { return sprintf('\%s::%s', \get_class($value), $value->name); } elseif ($value instanceof AbstractArgument) { throw new RuntimeException($value->getTextWithContext()); } elseif (\is_object($value) || \is_resource($value)) { throw new RuntimeException('Unable to dump a service container if a parameter is an object or a resource.'); } return $this->export($value); } /** * Dumps a string to a literal (aka PHP Code) class value. * * @throws RuntimeException */ private function dumpLiteralClass(string $class): string { if (str_contains($class, '$')) { return sprintf('${($_ = %s) && false ?: "_"}', $class); } if (!str_starts_with($class, "'") || !preg_match('/^\'(?:\\\{2})?[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*(?:\\\{2}[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)*\'$/', $class)) { throw new RuntimeException(sprintf('Cannot dump definition because of invalid class name (%s).', $class ?: 'n/a')); } $class = substr(str_replace('\\\\', '\\', $class), 1, -1); return str_starts_with($class, '\\') ? $class : '\\'.$class; } private function dumpParameter(string $name): string { if ($this->container->hasParameter($name)) { $value = $this->container->getParameter($name); $dumpedValue = $this->dumpValue($value, false); if (!$value || !\is_array($value)) { return $dumpedValue; } if (!preg_match("/\\\$this->(?:getEnv\('(?:[-.\w]*+:)*+\w++'\)|targetDir\.'')/", $dumpedValue)) { return sprintf('$this->parameters[%s]', $this->doExport($name)); } } return sprintf('$this->getParameter(%s)', $this->doExport($name)); } private function getServiceCall(string $id, Reference $reference = null): string { while ($this->container->hasAlias($id)) { $id = (string) $this->container->getAlias($id); } if ('service_container' === $id) { return '$this'; } if ($this->container->hasDefinition($id) && $definition = $this->container->getDefinition($id)) { if ($definition->isSynthetic()) { $code = sprintf('$this->get(%s%s)', $this->doExport($id), null !== $reference ? ', '.$reference->getInvalidBehavior() : ''); } elseif (null !== $reference && ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE === $reference->getInvalidBehavior()) { $code = 'null'; if (!$definition->isShared()) { return $code; } } elseif ($this->isTrivialInstance($definition)) { if ($definition->hasErrors() && $e = $definition->getErrors()) { return sprintf('throw new RuntimeException(%s)', $this->export(reset($e))); } $code = $this->addNewInstance($definition, '', $id); if ($definition->isShared() && !isset($this->singleUsePrivateIds[$id])) { $code = sprintf('$this->%s[%s] = %s', $definition->isPublic() ? 'services' : 'privates', $this->doExport($id), $code); } $code = "($code)"; } else { $code = $this->asFiles && !$this->inlineFactories && !$this->isHotPath($definition) ? "\$this->load('%s')" : '$this->%s()'; $code = sprintf($code, $this->generateMethodName($id)); if (!$definition->isShared()) { $factory = sprintf('$this->factories%s[%s]', $definition->isPublic() ? '' : "['service_container']", $this->doExport($id)); $code = sprintf('(isset(%s) ? %1$s() : %s)', $factory, $code); } } if ($definition->isShared() && !isset($this->singleUsePrivateIds[$id])) { $code = sprintf('($this->%s[%s] ?? %s)', $definition->isPublic() ? 'services' : 'privates', $this->doExport($id), $code); } return $code; } if (null !== $reference && ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE === $reference->getInvalidBehavior()) { return 'null'; } if (null !== $reference && ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE < $reference->getInvalidBehavior()) { $code = sprintf('$this->get(%s, ContainerInterface::NULL_ON_INVALID_REFERENCE)', $this->doExport($id)); } else { $code = sprintf('$this->get(%s)', $this->doExport($id)); } return sprintf('($this->services[%s] ?? %s)', $this->doExport($id), $code); } /** * Initializes the method names map to avoid conflicts with the Container methods. */ private function initializeMethodNamesMap(string $class) { $this->serviceIdToMethodNameMap = []; $this->usedMethodNames = []; if ($reflectionClass = $this->container->getReflectionClass($class)) { foreach ($reflectionClass->getMethods() as $method) { $this->usedMethodNames[strtolower($method->getName())] = true; } } } /** * @throws InvalidArgumentException */ private function generateMethodName(string $id): string { if (isset($this->serviceIdToMethodNameMap[$id])) { return $this->serviceIdToMethodNameMap[$id]; } $i = strrpos($id, '\\'); $name = Container::camelize(false !== $i && isset($id[1 + $i]) ? substr($id, 1 + $i) : $id); $name = preg_replace('/[^a-zA-Z0-9_\x7f-\xff]/', '', $name); $methodName = 'get'.$name.'Service'; $suffix = 1; while (isset($this->usedMethodNames[strtolower($methodName)])) { ++$suffix; $methodName = 'get'.$name.$suffix.'Service'; } $this->serviceIdToMethodNameMap[$id] = $methodName; $this->usedMethodNames[strtolower($methodName)] = true; return $methodName; } private function getNextVariableName(): string { $firstChars = self::FIRST_CHARS; $firstCharsLength = \strlen($firstChars); $nonFirstChars = self::NON_FIRST_CHARS; $nonFirstCharsLength = \strlen($nonFirstChars); while (true) { $name = ''; $i = $this->variableCount; if ('' === $name) { $name .= $firstChars[$i % $firstCharsLength]; $i = (int) ($i / $firstCharsLength); } while ($i > 0) { --$i; $name .= $nonFirstChars[$i % $nonFirstCharsLength]; $i = (int) ($i / $nonFirstCharsLength); } ++$this->variableCount; // check that the name is not reserved if (\in_array($name, $this->reservedVariables, true)) { continue; } return $name; } } private function getExpressionLanguage(): ExpressionLanguage { if (!isset($this->expressionLanguage)) { if (!class_exists(\Symfony\Component\ExpressionLanguage\ExpressionLanguage::class)) { throw new LogicException('Unable to use expressions as the Symfony ExpressionLanguage component is not installed.'); } $providers = $this->container->getExpressionLanguageProviders(); $this->expressionLanguage = new ExpressionLanguage(null, $providers, function ($arg) { $id = '""' === substr_replace($arg, '', 1, -1) ? stripcslashes(substr($arg, 1, -1)) : null; if (null !== $id && ($this->container->hasAlias($id) || $this->container->hasDefinition($id))) { return $this->getServiceCall($id); } return sprintf('$this->get(%s)', $arg); }); if ($this->container->isTrackingResources()) { foreach ($providers as $provider) { $this->container->addObjectResource($provider); } } } return $this->expressionLanguage; } private function isHotPath(Definition $definition): bool { return $this->hotPathTag && $definition->hasTag($this->hotPathTag) && !$definition->isDeprecated(); } private function isSingleUsePrivateNode(ServiceReferenceGraphNode $node): bool { if ($node->getValue()->isPublic()) { return false; } $ids = []; foreach ($node->getInEdges() as $edge) { if (!$value = $edge->getSourceNode()->getValue()) { continue; } if ($edge->isLazy() || !$value instanceof Definition || !$value->isShared()) { return false; } $ids[$edge->getSourceNode()->getId()] = true; } return 1 === \count($ids); } private function export(mixed $value): mixed { if (null !== $this->targetDirRegex && \is_string($value) && preg_match($this->targetDirRegex, $value, $matches, \PREG_OFFSET_CAPTURE)) { $suffix = $matches[0][1] + \strlen($matches[0][0]); $matches[0][1] += \strlen($matches[1][0]); $prefix = $matches[0][1] ? $this->doExport(substr($value, 0, $matches[0][1]), true).'.' : ''; if ('\\' === \DIRECTORY_SEPARATOR && isset($value[$suffix])) { $cookie = '\\'.random_int(100000, \PHP_INT_MAX); $suffix = '.'.$this->doExport(str_replace('\\', $cookie, substr($value, $suffix)), true); $suffix = str_replace('\\'.$cookie, "'.\\DIRECTORY_SEPARATOR.'", $suffix); } else { $suffix = isset($value[$suffix]) ? '.'.$this->doExport(substr($value, $suffix), true) : ''; } $dirname = $this->asFiles ? '$this->containerDir' : '__DIR__'; $offset = 2 + $this->targetDirMaxMatches - \count($matches); if (0 < $offset) { $dirname = sprintf('\dirname(__DIR__, %d)', $offset + (int) $this->asFiles); } elseif ($this->asFiles) { $dirname = "\$this->targetDir.''"; // empty string concatenation on purpose } if ($prefix || $suffix) { return sprintf('(%s%s%s)', $prefix, $dirname, $suffix); } return $dirname; } return $this->doExport($value, true); } private function doExport(mixed $value, bool $resolveEnv = false): mixed { $shouldCacheValue = $resolveEnv && \is_string($value); if ($shouldCacheValue && isset($this->exportedVariables[$value])) { return $this->exportedVariables[$value]; } if (\is_string($value) && str_contains($value, "\n")) { $cleanParts = explode("\n", $value); $cleanParts = array_map(function ($part) { return var_export($part, true); }, $cleanParts); $export = implode('."\n".', $cleanParts); } else { $export = var_export($value, true); } if ($this->asFiles) { if (false !== strpos($export, '$this')) { $export = str_replace('$this', "$'.'this", $export); } if (false !== strpos($export, 'function () {')) { $export = str_replace('function () {', "function ('.') {", $export); } } if ($resolveEnv && "'" === $export[0] && $export !== $resolvedExport = $this->container->resolveEnvPlaceholders($export, "'.\$this->getEnv('string:%s').'")) { $export = $resolvedExport; if (str_ends_with($export, ".''")) { $export = substr($export, 0, -3); if ("'" === $export[1]) { $export = substr_replace($export, '', 18, 7); } } if ("'" === $export[1]) { $export = substr($export, 3); } } if ($shouldCacheValue) { $this->exportedVariables[$value] = $export; } return $export; } private function getAutoloadFile(): ?string { $file = null; foreach (spl_autoload_functions() as $autoloader) { if (!\is_array($autoloader)) { continue; } if ($autoloader[0] instanceof DebugClassLoader || $autoloader[0] instanceof LegacyDebugClassLoader) { $autoloader = $autoloader[0]->getClassLoader(); } if (!\is_array($autoloader) || !$autoloader[0] instanceof ClassLoader || !$autoloader[0]->findFile(__CLASS__)) { continue; } foreach (get_declared_classes() as $class) { if (str_starts_with($class, 'ComposerAutoloaderInit') && $class::getLoader() === $autoloader[0]) { $file = \dirname((new \ReflectionClass($class))->getFileName(), 2).'/autoload.php'; if (null !== $this->targetDirRegex && preg_match($this->targetDirRegex.'A', $file)) { return $file; } } } } return $file; } private function getClasses(Definition $definition, string $id): array { $classes = []; while ($definition instanceof Definition) { foreach ($definition->getTag($this->preloadTags[0]) as $tag) { if (!isset($tag['class'])) { throw new InvalidArgumentException(sprintf('Missing attribute "class" on tag "%s" for service "%s".', $this->preloadTags[0], $id)); } $classes[] = trim($tag['class'], '\\'); } if ($class = $definition->getClass()) { $classes[] = trim($class, '\\'); } $factory = $definition->getFactory(); if (!\is_array($factory)) { $factory = [$factory]; } if (\is_string($factory[0])) { if (false !== $i = strrpos($factory[0], '::')) { $factory[0] = substr($factory[0], 0, $i); } $classes[] = trim($factory[0], '\\'); } $definition = $factory[0]; } return $classes; } }