--- /dev/null
+<?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\ChildDefinition;
+use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\DependencyInjection\Exception\ExceptionInterface;
+use Symfony\Component\DependencyInjection\Exception\RuntimeException;
+
+/**
+ * This replaces all ChildDefinition instances with their equivalent fully
+ * merged Definition instance.
+ *
+ * @author Johannes M. Schmitt <schmittjoh@gmail.com>
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class ResolveChildDefinitionsPass extends AbstractRecursivePass
+{
+ protected function processValue($value, $isRoot = false)
+ {
+ if (!$value instanceof Definition) {
+ return parent::processValue($value, $isRoot);
+ }
+ if ($isRoot) {
+ // yes, we are specifically fetching the definition from the
+ // container to ensure we are not operating on stale data
+ $value = $this->container->getDefinition($this->currentId);
+ }
+ if ($value instanceof ChildDefinition) {
+ $value = $this->resolveDefinition($value);
+ if ($isRoot) {
+ $this->container->setDefinition($this->currentId, $value);
+ }
+ }
+
+ return parent::processValue($value, $isRoot);
+ }
+
+ /**
+ * Resolves the definition.
+ *
+ * @return Definition
+ *
+ * @throws RuntimeException When the definition is invalid
+ */
+ private function resolveDefinition(ChildDefinition $definition)
+ {
+ try {
+ return $this->doResolveDefinition($definition);
+ } catch (ExceptionInterface $e) {
+ $r = new \ReflectionProperty($e, 'message');
+ $r->setAccessible(true);
+ $r->setValue($e, sprintf('Service "%s": %s', $this->currentId, $e->getMessage()));
+
+ throw $e;
+ }
+ }
+
+ private function doResolveDefinition(ChildDefinition $definition)
+ {
+ if (!$this->container->has($parent = $definition->getParent())) {
+ throw new RuntimeException(sprintf('Parent definition "%s" does not exist.', $parent));
+ }
+
+ $parentDef = $this->container->findDefinition($parent);
+ if ($parentDef instanceof ChildDefinition) {
+ $id = $this->currentId;
+ $this->currentId = $parent;
+ $parentDef = $this->resolveDefinition($parentDef);
+ $this->container->setDefinition($parent, $parentDef);
+ $this->currentId = $id;
+ }
+
+ $this->container->log($this, sprintf('Resolving inheritance for "%s" (parent: %s).', $this->currentId, $parent));
+ $def = new Definition();
+
+ // merge in parent definition
+ // purposely ignored attributes: abstract, shared, tags, autoconfigured
+ $def->setClass($parentDef->getClass());
+ $def->setArguments($parentDef->getArguments());
+ $def->setMethodCalls($parentDef->getMethodCalls());
+ $def->setProperties($parentDef->getProperties());
+ if ($parentDef->getAutowiringTypes(false)) {
+ $def->setAutowiringTypes($parentDef->getAutowiringTypes(false));
+ }
+ if ($parentDef->isDeprecated()) {
+ $def->setDeprecated(true, $parentDef->getDeprecationMessage('%service_id%'));
+ }
+ $def->setFactory($parentDef->getFactory());
+ $def->setConfigurator($parentDef->getConfigurator());
+ $def->setFile($parentDef->getFile());
+ $def->setPublic($parentDef->isPublic());
+ $def->setLazy($parentDef->isLazy());
+ $def->setAutowired($parentDef->isAutowired());
+ $def->setChanges($parentDef->getChanges());
+
+ $def->setBindings($parentDef->getBindings());
+
+ // overwrite with values specified in the decorator
+ $changes = $definition->getChanges();
+ if (isset($changes['class'])) {
+ $def->setClass($definition->getClass());
+ }
+ if (isset($changes['factory'])) {
+ $def->setFactory($definition->getFactory());
+ }
+ if (isset($changes['configurator'])) {
+ $def->setConfigurator($definition->getConfigurator());
+ }
+ if (isset($changes['file'])) {
+ $def->setFile($definition->getFile());
+ }
+ if (isset($changes['public'])) {
+ $def->setPublic($definition->isPublic());
+ } else {
+ $def->setPrivate($definition->isPrivate() || $parentDef->isPrivate());
+ }
+ if (isset($changes['lazy'])) {
+ $def->setLazy($definition->isLazy());
+ }
+ if (isset($changes['deprecated'])) {
+ $def->setDeprecated($definition->isDeprecated(), $definition->getDeprecationMessage('%service_id%'));
+ }
+ if (isset($changes['autowired'])) {
+ $def->setAutowired($definition->isAutowired());
+ }
+ if (isset($changes['shared'])) {
+ $def->setShared($definition->isShared());
+ }
+ if (isset($changes['decorated_service'])) {
+ $decoratedService = $definition->getDecoratedService();
+ if (null === $decoratedService) {
+ $def->setDecoratedService($decoratedService);
+ } else {
+ $def->setDecoratedService($decoratedService[0], $decoratedService[1], $decoratedService[2]);
+ }
+ }
+
+ // merge arguments
+ foreach ($definition->getArguments() as $k => $v) {
+ if (is_numeric($k)) {
+ $def->addArgument($v);
+ } elseif (0 === strpos($k, 'index_')) {
+ $def->replaceArgument((int) substr($k, strlen('index_')), $v);
+ } else {
+ $def->setArgument($k, $v);
+ }
+ }
+
+ // merge properties
+ foreach ($definition->getProperties() as $k => $v) {
+ $def->setProperty($k, $v);
+ }
+
+ // append method calls
+ if ($calls = $definition->getMethodCalls()) {
+ $def->setMethodCalls(array_merge($def->getMethodCalls(), $calls));
+ }
+
+ // merge autowiring types
+ foreach ($definition->getAutowiringTypes(false) as $autowiringType) {
+ $def->addAutowiringType($autowiringType);
+ }
+
+ // these attributes are always taken from the child
+ $def->setAbstract($definition->isAbstract());
+ $def->setTags($definition->getTags());
+ // autoconfigure is never taken from parent (on purpose)
+ // and it's not legal on an instanceof
+ $def->setAutoconfigured($definition->isAutoconfigured());
+
+ return $def;
+ }
+}
+
+class_alias(ResolveChildDefinitionsPass::class, ResolveDefinitionTemplatesPass::class);
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