199 lines
7.4 KiB
PHP
199 lines
7.4 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\DependencyInjection\Compiler;
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use Symfony\Component\DependencyInjection\ChildDefinition;
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use Symfony\Component\DependencyInjection\ContainerInterface;
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use Symfony\Component\DependencyInjection\Definition;
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use Symfony\Component\DependencyInjection\Exception\ExceptionInterface;
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use Symfony\Component\DependencyInjection\Exception\RuntimeException;
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use Symfony\Component\DependencyInjection\Exception\ServiceCircularReferenceException;
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/**
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* This replaces all ChildDefinition instances with their equivalent fully
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* merged Definition instance.
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*
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* @author Johannes M. Schmitt <schmittjoh@gmail.com>
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* @author Nicolas Grekas <p@tchwork.com>
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*/
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class ResolveChildDefinitionsPass extends AbstractRecursivePass
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{
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private $currentPath;
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protected function processValue($value, bool $isRoot = false)
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{
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if (!$value instanceof Definition) {
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return parent::processValue($value, $isRoot);
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}
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if ($isRoot) {
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// yes, we are specifically fetching the definition from the
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// container to ensure we are not operating on stale data
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$value = $this->container->getDefinition($this->currentId);
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}
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if ($value instanceof ChildDefinition) {
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$this->currentPath = [];
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$value = $this->resolveDefinition($value);
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if ($isRoot) {
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$this->container->setDefinition($this->currentId, $value);
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}
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}
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return parent::processValue($value, $isRoot);
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}
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/**
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* Resolves the definition.
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*
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* @throws RuntimeException When the definition is invalid
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*/
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private function resolveDefinition(ChildDefinition $definition): Definition
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{
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try {
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return $this->doResolveDefinition($definition);
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} catch (ServiceCircularReferenceException $e) {
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throw $e;
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} catch (ExceptionInterface $e) {
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$r = new \ReflectionProperty($e, 'message');
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$r->setAccessible(true);
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$r->setValue($e, sprintf('Service "%s": %s', $this->currentId, $e->getMessage()));
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throw $e;
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}
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}
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private function doResolveDefinition(ChildDefinition $definition): Definition
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{
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if (!$this->container->has($parent = $definition->getParent())) {
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throw new RuntimeException(sprintf('Parent definition "%s" does not exist.', $parent));
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}
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$searchKey = array_search($parent, $this->currentPath);
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$this->currentPath[] = $parent;
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if (false !== $searchKey) {
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throw new ServiceCircularReferenceException($parent, \array_slice($this->currentPath, $searchKey));
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}
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$parentDef = $this->container->findDefinition($parent);
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if ($parentDef instanceof ChildDefinition) {
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$id = $this->currentId;
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$this->currentId = $parent;
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$parentDef = $this->resolveDefinition($parentDef);
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$this->container->setDefinition($parent, $parentDef);
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$this->currentId = $id;
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}
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$this->container->log($this, sprintf('Resolving inheritance for "%s" (parent: %s).', $this->currentId, $parent));
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$def = new Definition();
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// merge in parent definition
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// purposely ignored attributes: abstract, shared, tags, autoconfigured
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$def->setClass($parentDef->getClass());
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$def->setArguments($parentDef->getArguments());
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$def->setMethodCalls($parentDef->getMethodCalls());
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$def->setProperties($parentDef->getProperties());
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if ($parentDef->isDeprecated()) {
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$deprecation = $parentDef->getDeprecation('%service_id%');
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$def->setDeprecated($deprecation['package'], $deprecation['version'], $deprecation['message']);
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}
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$def->setFactory($parentDef->getFactory());
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$def->setConfigurator($parentDef->getConfigurator());
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$def->setFile($parentDef->getFile());
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$def->setPublic($parentDef->isPublic());
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$def->setLazy($parentDef->isLazy());
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$def->setAutowired($parentDef->isAutowired());
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$def->setChanges($parentDef->getChanges());
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$def->setBindings($definition->getBindings() + $parentDef->getBindings());
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$def->setSynthetic($definition->isSynthetic());
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// overwrite with values specified in the decorator
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$changes = $definition->getChanges();
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if (isset($changes['class'])) {
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$def->setClass($definition->getClass());
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}
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if (isset($changes['factory'])) {
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$def->setFactory($definition->getFactory());
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}
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if (isset($changes['configurator'])) {
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$def->setConfigurator($definition->getConfigurator());
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}
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if (isset($changes['file'])) {
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$def->setFile($definition->getFile());
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}
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if (isset($changes['public'])) {
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$def->setPublic($definition->isPublic());
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} else {
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$def->setPublic($parentDef->isPublic());
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}
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if (isset($changes['lazy'])) {
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$def->setLazy($definition->isLazy());
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}
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if (isset($changes['deprecated'])) {
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if ($definition->isDeprecated()) {
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$deprecation = $definition->getDeprecation('%service_id%');
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$def->setDeprecated($deprecation['package'], $deprecation['version'], $deprecation['message']);
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} else {
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$def->setDeprecated(false);
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}
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}
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if (isset($changes['autowired'])) {
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$def->setAutowired($definition->isAutowired());
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}
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if (isset($changes['shared'])) {
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$def->setShared($definition->isShared());
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}
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if (isset($changes['decorated_service'])) {
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$decoratedService = $definition->getDecoratedService();
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if (null === $decoratedService) {
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$def->setDecoratedService($decoratedService);
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} else {
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$def->setDecoratedService($decoratedService[0], $decoratedService[1], $decoratedService[2], $decoratedService[3] ?? ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE);
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}
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}
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// merge arguments
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foreach ($definition->getArguments() as $k => $v) {
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if (is_numeric($k)) {
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$def->addArgument($v);
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} elseif (str_starts_with($k, 'index_')) {
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$def->replaceArgument((int) substr($k, \strlen('index_')), $v);
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} else {
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$def->setArgument($k, $v);
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}
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}
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// merge properties
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foreach ($definition->getProperties() as $k => $v) {
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$def->setProperty($k, $v);
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}
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// append method calls
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if ($calls = $definition->getMethodCalls()) {
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$def->setMethodCalls(array_merge($def->getMethodCalls(), $calls));
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}
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$def->addError($parentDef);
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$def->addError($definition);
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// these attributes are always taken from the child
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$def->setAbstract($definition->isAbstract());
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$def->setTags($definition->getTags());
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// autoconfigure is never taken from parent (on purpose)
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// and it's not legal on an instanceof
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$def->setAutoconfigured($definition->isAutoconfigured());
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return $def;
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}
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}
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