Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\DependencyInjection\Dumper;
Chris@0: 
Chris@0: use Symfony\Component\DependencyInjection\Argument\ArgumentInterface;
Chris@0: use Symfony\Component\DependencyInjection\Argument\IteratorArgument;
Chris@0: use Symfony\Component\DependencyInjection\Argument\ServiceClosureArgument;
Chris@0: use Symfony\Component\DependencyInjection\Variable;
Chris@0: use Symfony\Component\DependencyInjection\Definition;
Chris@0: use Symfony\Component\DependencyInjection\Compiler\AnalyzeServiceReferencesPass;
Chris@0: use Symfony\Component\DependencyInjection\ContainerBuilder;
Chris@0: use Symfony\Component\DependencyInjection\Container;
Chris@0: use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@0: use Symfony\Component\DependencyInjection\Reference;
Chris@0: use Symfony\Component\DependencyInjection\TypedReference;
Chris@0: use Symfony\Component\DependencyInjection\Parameter;
Chris@0: use Symfony\Component\DependencyInjection\Exception\EnvParameterException;
Chris@0: use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
Chris@0: use Symfony\Component\DependencyInjection\Exception\RuntimeException;
Chris@0: use Symfony\Component\DependencyInjection\Exception\ServiceCircularReferenceException;
Chris@0: use Symfony\Component\DependencyInjection\LazyProxy\PhpDumper\DumperInterface as ProxyDumper;
Chris@0: use Symfony\Component\DependencyInjection\LazyProxy\PhpDumper\NullDumper;
Chris@0: use Symfony\Component\DependencyInjection\ExpressionLanguage;
Chris@0: use Symfony\Component\ExpressionLanguage\Expression;
Chris@0: use Symfony\Component\HttpKernel\Kernel;
Chris@0: 
Chris@0: /**
Chris@0:  * PhpDumper dumps a service container as a PHP class.
Chris@0:  *
Chris@0:  * @author Fabien Potencier <fabien@symfony.com>
Chris@0:  * @author Johannes M. Schmitt <schmittjoh@gmail.com>
Chris@0:  */
Chris@0: class PhpDumper extends Dumper
Chris@0: {
Chris@0:     /**
Chris@0:      * Characters that might appear in the generated variable name as first character.
Chris@0:      */
Chris@0:     const FIRST_CHARS = 'abcdefghijklmnopqrstuvwxyz';
Chris@0: 
Chris@0:     /**
Chris@0:      * Characters that might appear in the generated variable name as any but the first character.
Chris@0:      */
Chris@0:     const NON_FIRST_CHARS = 'abcdefghijklmnopqrstuvwxyz0123456789_';
Chris@0: 
Chris@0:     private $definitionVariables;
Chris@0:     private $referenceVariables;
Chris@0:     private $variableCount;
Chris@0:     private $reservedVariables = array('instance', 'class');
Chris@0:     private $expressionLanguage;
Chris@0:     private $targetDirRegex;
Chris@0:     private $targetDirMaxMatches;
Chris@0:     private $docStar;
Chris@0:     private $serviceIdToMethodNameMap;
Chris@0:     private $usedMethodNames;
Chris@0:     private $namespace;
Chris@0:     private $asFiles;
Chris@0:     private $hotPathTag;
Chris@0:     private $inlineRequires;
Chris@0:     private $inlinedRequires = array();
Chris@0:     private $circularReferences = array();
Chris@0: 
Chris@0:     /**
Chris@0:      * @var ProxyDumper
Chris@0:      */
Chris@0:     private $proxyDumper;
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function __construct(ContainerBuilder $container)
Chris@0:     {
Chris@0:         if (!$container->isCompiled()) {
Chris@0:             @trigger_error('Dumping an uncompiled ContainerBuilder is deprecated since Symfony 3.3 and will not be supported anymore in 4.0. Compile the container beforehand.', E_USER_DEPRECATED);
Chris@0:         }
Chris@0: 
Chris@0:         parent::__construct($container);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Sets the dumper to be used when dumping proxies in the generated container.
Chris@0:      */
Chris@0:     public function setProxyDumper(ProxyDumper $proxyDumper)
Chris@0:     {
Chris@0:         $this->proxyDumper = $proxyDumper;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Dumps the service container as a PHP class.
Chris@0:      *
Chris@0:      * Available options:
Chris@0:      *
Chris@0:      *  * class:      The class name
Chris@0:      *  * base_class: The base class name
Chris@0:      *  * namespace:  The class namespace
Chris@0:      *  * as_files:   To split the container in several files
Chris@0:      *
Chris@0:      * @return string|array A PHP class representing the service container or an array of PHP files if the "as_files" option is set
Chris@0:      *
Chris@0:      * @throws EnvParameterException When an env var exists but has not been dumped
Chris@0:      */
Chris@0:     public function dump(array $options = array())
Chris@0:     {
Chris@0:         $this->targetDirRegex = null;
Chris@0:         $this->inlinedRequires = array();
Chris@0:         $options = array_merge(array(
Chris@0:             'class' => 'ProjectServiceContainer',
Chris@0:             'base_class' => 'Container',
Chris@0:             'namespace' => '',
Chris@0:             'as_files' => false,
Chris@0:             'debug' => true,
Chris@0:             'hot_path_tag' => 'container.hot_path',
Chris@0:             'inline_class_loader_parameter' => 'container.dumper.inline_class_loader',
Chris@0:             'build_time' => time(),
Chris@0:         ), $options);
Chris@0: 
Chris@0:         $this->namespace = $options['namespace'];
Chris@0:         $this->asFiles = $options['as_files'];
Chris@0:         $this->hotPathTag = $options['hot_path_tag'];
Chris@0:         $this->inlineRequires = $options['inline_class_loader_parameter'] && $this->container->hasParameter($options['inline_class_loader_parameter']) && $this->container->getParameter($options['inline_class_loader_parameter']);
Chris@0: 
Chris@0:         if (0 !== strpos($baseClass = $options['base_class'], '\\') && 'Container' !== $baseClass) {
Chris@0:             $baseClass = sprintf('%s\%s', $options['namespace'] ? '\\'.$options['namespace'] : '', $baseClass);
Chris@0:             $baseClassWithNamespace = $baseClass;
Chris@0:         } elseif ('Container' === $baseClass) {
Chris@0:             $baseClassWithNamespace = Container::class;
Chris@0:         } else {
Chris@0:             $baseClassWithNamespace = $baseClass;
Chris@0:         }
Chris@0: 
Chris@0:         $this->initializeMethodNamesMap('Container' === $baseClass ? Container::class : $baseClass);
Chris@0: 
Chris@0:         (new AnalyzeServiceReferencesPass())->process($this->container);
Chris@0:         $this->circularReferences = array();
Chris@0:         $checkedNodes = array();
Chris@0:         foreach ($this->container->getCompiler()->getServiceReferenceGraph()->getNodes() as $id => $node) {
Chris@0:             $currentPath = array($id => $id);
Chris@0:             $this->analyzeCircularReferences($node->getOutEdges(), $checkedNodes, $currentPath);
Chris@0:         }
Chris@0:         $this->container->getCompiler()->getServiceReferenceGraph()->clear();
Chris@0: 
Chris@0:         $this->docStar = $options['debug'] ? '*' : '';
Chris@0: 
Chris@0:         if (!empty($options['file']) && is_dir($dir = dirname($options['file']))) {
Chris@0:             // Build a regexp where the first root dirs are mandatory,
Chris@0:             // but every other sub-dir is optional up to the full path in $dir
Chris@0:             // Mandate at least 2 root dirs and not more that 5 optional dirs.
Chris@0: 
Chris@0:             $dir = explode(DIRECTORY_SEPARATOR, realpath($dir));
Chris@0:             $i = count($dir);
Chris@0: 
Chris@0:             if (3 <= $i) {
Chris@0:                 $regex = '';
Chris@0:                 $lastOptionalDir = $i > 8 ? $i - 5 : 3;
Chris@0:                 $this->targetDirMaxMatches = $i - $lastOptionalDir;
Chris@0: 
Chris@0:                 while (--$i >= $lastOptionalDir) {
Chris@0:                     $regex = sprintf('(%s%s)?', preg_quote(DIRECTORY_SEPARATOR.$dir[$i], '#'), $regex);
Chris@0:                 }
Chris@0: 
Chris@0:                 do {
Chris@0:                     $regex = preg_quote(DIRECTORY_SEPARATOR.$dir[$i], '#').$regex;
Chris@0:                 } while (0 < --$i);
Chris@0: 
Chris@0:                 $this->targetDirRegex = '#'.preg_quote($dir[0], '#').$regex.'#';
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         $code =
Chris@0:             $this->startClass($options['class'], $baseClass, $baseClassWithNamespace).
Chris@0:             $this->addServices().
Chris@0:             $this->addDefaultParametersMethod().
Chris@0:             $this->endClass()
Chris@0:         ;
Chris@0: 
Chris@0:         if ($this->asFiles) {
Chris@0:             $fileStart = <<<EOF
Chris@0: <?php
Chris@0: 
Chris@0: use Symfony\Component\DependencyInjection\Argument\RewindableGenerator;
Chris@0: 
Chris@0: // This file has been auto-generated by the Symfony Dependency Injection Component for internal use.
Chris@0: 
Chris@0: EOF;
Chris@0:             $files = array();
Chris@0: 
Chris@0:             if ($ids = array_keys($this->container->getRemovedIds())) {
Chris@0:                 sort($ids);
Chris@0:                 $c = "<?php\n\nreturn array(\n";
Chris@0:                 foreach ($ids as $id) {
Chris@0:                     $c .= '    '.$this->doExport($id)." => true,\n";
Chris@0:                 }
Chris@0:                 $files['removed-ids.php'] = $c .= ");\n";
Chris@0:             }
Chris@0: 
Chris@0:             foreach ($this->generateServiceFiles() as $file => $c) {
Chris@0:                 $files[$file] = $fileStart.$c;
Chris@0:             }
Chris@0:             foreach ($this->generateProxyClasses() as $file => $c) {
Chris@0:                 $files[$file] = "<?php\n".$c;
Chris@0:             }
Chris@0:             $files[$options['class'].'.php'] = $code;
Chris@0:             $hash = ucfirst(strtr(ContainerBuilder::hash($files), '._', 'xx'));
Chris@0:             $code = array();
Chris@0: 
Chris@0:             foreach ($files as $file => $c) {
Chris@0:                 $code["Container{$hash}/{$file}"] = $c;
Chris@0:             }
Chris@0:             array_pop($code);
Chris@0:             $code["Container{$hash}/{$options['class']}.php"] = substr_replace($files[$options['class'].'.php'], "<?php\n\nnamespace Container{$hash};\n", 0, 6);
Chris@0:             $namespaceLine = $this->namespace ? "\nnamespace {$this->namespace};\n" : '';
Chris@0:             $time = $options['build_time'];
Chris@0:             $id = hash('crc32', $hash.$time);
Chris@0: 
Chris@0:             $code[$options['class'].'.php'] = <<<EOF
Chris@0: <?php
Chris@0: {$namespaceLine}
Chris@0: // This file has been auto-generated by the Symfony Dependency Injection Component for internal use.
Chris@0: 
Chris@0: if (\\class_exists(\\Container{$hash}\\{$options['class']}::class, false)) {
Chris@0:     // no-op
Chris@0: } elseif (!include __DIR__.'/Container{$hash}/{$options['class']}.php') {
Chris@0:     touch(__DIR__.'/Container{$hash}.legacy');
Chris@0: 
Chris@0:     return;
Chris@0: }
Chris@0: 
Chris@0: if (!\\class_exists({$options['class']}::class, false)) {
Chris@0:     \\class_alias(\\Container{$hash}\\{$options['class']}::class, {$options['class']}::class, false);
Chris@0: }
Chris@0: 
Chris@0: return new \\Container{$hash}\\{$options['class']}(array(
Chris@0:     'container.build_hash' => '$hash',
Chris@0:     'container.build_id' => '$id',
Chris@0:     'container.build_time' => $time,
Chris@0: ), __DIR__.\\DIRECTORY_SEPARATOR.'Container{$hash}');
Chris@0: 
Chris@0: EOF;
Chris@0:         } else {
Chris@0:             foreach ($this->generateProxyClasses() as $c) {
Chris@0:                 $code .= $c;
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         $this->targetDirRegex = null;
Chris@0:         $this->inlinedRequires = array();
Chris@0:         $this->circularReferences = array();
Chris@0: 
Chris@0:         $unusedEnvs = array();
Chris@0:         foreach ($this->container->getEnvCounters() as $env => $use) {
Chris@0:             if (!$use) {
Chris@0:                 $unusedEnvs[] = $env;
Chris@0:             }
Chris@0:         }
Chris@0:         if ($unusedEnvs) {
Chris@0:             throw new EnvParameterException($unusedEnvs, null, 'Environment variables "%s" are never used. Please, check your container\'s configuration.');
Chris@0:         }
Chris@0: 
Chris@0:         return $code;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Retrieves the currently set proxy dumper or instantiates one.
Chris@0:      *
Chris@0:      * @return ProxyDumper
Chris@0:      */
Chris@0:     private function getProxyDumper()
Chris@0:     {
Chris@0:         if (!$this->proxyDumper) {
Chris@0:             $this->proxyDumper = new NullDumper();
Chris@0:         }
Chris@0: 
Chris@0:         return $this->proxyDumper;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Generates Service local temp variables.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addServiceLocalTempVariables($cId, Definition $definition, \SplObjectStorage $inlinedDefinitions, \SplObjectStorage $allInlinedDefinitions)
Chris@0:     {
Chris@0:         $allCalls = $calls = $behavior = array();
Chris@0: 
Chris@0:         foreach ($allInlinedDefinitions as $def) {
Chris@0:             $arguments = array($def->getArguments(), $def->getFactory(), $def->getProperties(), $def->getMethodCalls(), $def->getConfigurator());
Chris@0:             $this->getServiceCallsFromArguments($arguments, $allCalls, false, $cId, $behavior, $allInlinedDefinitions[$def]);
Chris@0:         }
Chris@0: 
Chris@0:         $isPreInstance = isset($inlinedDefinitions[$definition]) && isset($this->circularReferences[$cId]) && !$this->getProxyDumper()->isProxyCandidate($definition) && $definition->isShared();
Chris@0:         foreach ($inlinedDefinitions as $def) {
Chris@0:             $this->getServiceCallsFromArguments(array($def->getArguments(), $def->getFactory()), $calls, $isPreInstance, $cId);
Chris@0:             if ($def !== $definition) {
Chris@0:                 $arguments = array($def->getProperties(), $def->getMethodCalls(), $def->getConfigurator());
Chris@0:                 $this->getServiceCallsFromArguments($arguments, $calls, $isPreInstance && !$this->hasReference($cId, $arguments, true), $cId);
Chris@0:             }
Chris@0:         }
Chris@0:         if (!isset($inlinedDefinitions[$definition])) {
Chris@0:             $arguments = array($definition->getProperties(), $definition->getMethodCalls(), $definition->getConfigurator());
Chris@0:             $this->getServiceCallsFromArguments($arguments, $calls, false, $cId);
Chris@0:         }
Chris@0: 
Chris@0:         $code = '';
Chris@0:         foreach ($calls as $id => $callCount) {
Chris@0:             if ('service_container' === $id || $id === $cId || isset($this->referenceVariables[$id])) {
Chris@0:                 continue;
Chris@0:             }
Chris@0:             if ($callCount <= 1 && $allCalls[$id] <= 1) {
Chris@0:                 continue;
Chris@0:             }
Chris@0: 
Chris@0:             $name = $this->getNextVariableName();
Chris@0:             $this->referenceVariables[$id] = new Variable($name);
Chris@0: 
Chris@0:             $reference = ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE === $behavior[$id] ? new Reference($id, $behavior[$id]) : null;
Chris@0:             $code .= sprintf("        \$%s = %s;\n", $name, $this->getServiceCall($id, $reference));
Chris@0:         }
Chris@0: 
Chris@0:         if ('' !== $code) {
Chris@0:             if ($isPreInstance) {
Chris@0:                 $code .= <<<EOTXT
Chris@0: 
Chris@0:         if (isset(\$this->services['$cId'])) {
Chris@0:             return \$this->services['$cId'];
Chris@0:         }
Chris@0: 
Chris@0: EOTXT;
Chris@0:             }
Chris@0: 
Chris@0:             $code .= "\n";
Chris@0:         }
Chris@0: 
Chris@0:         return $code;
Chris@0:     }
Chris@0: 
Chris@0:     private function analyzeCircularReferences(array $edges, &$checkedNodes, &$currentPath)
Chris@0:     {
Chris@0:         foreach ($edges as $edge) {
Chris@0:             $node = $edge->getDestNode();
Chris@0:             $id = $node->getId();
Chris@0: 
Chris@0:             if ($node->getValue() && ($edge->isLazy() || $edge->isWeak())) {
Chris@0:                 // no-op
Chris@0:             } elseif (isset($currentPath[$id])) {
Chris@0:                 foreach (array_reverse($currentPath) as $parentId) {
Chris@0:                     $this->circularReferences[$parentId][$id] = $id;
Chris@0:                     $id = $parentId;
Chris@0:                 }
Chris@0:             } elseif (!isset($checkedNodes[$id])) {
Chris@0:                 $checkedNodes[$id] = true;
Chris@0:                 $currentPath[$id] = $id;
Chris@0:                 $this->analyzeCircularReferences($node->getOutEdges(), $checkedNodes, $currentPath);
Chris@0:                 unset($currentPath[$id]);
Chris@0:             }
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     private function collectLineage($class, array &$lineage)
Chris@0:     {
Chris@0:         if (isset($lineage[$class])) {
Chris@0:             return;
Chris@0:         }
Chris@0:         if (!$r = $this->container->getReflectionClass($class, false)) {
Chris@0:             return;
Chris@0:         }
Chris@0:         if ($this->container instanceof $class) {
Chris@0:             return;
Chris@0:         }
Chris@0:         $file = $r->getFileName();
Chris@0:         if (!$file || $this->doExport($file) === $exportedFile = $this->export($file)) {
Chris@0:             return;
Chris@0:         }
Chris@0: 
Chris@0:         if ($parent = $r->getParentClass()) {
Chris@0:             $this->collectLineage($parent->name, $lineage);
Chris@0:         }
Chris@0: 
Chris@0:         foreach ($r->getInterfaces() as $parent) {
Chris@0:             $this->collectLineage($parent->name, $lineage);
Chris@0:         }
Chris@0: 
Chris@0:         foreach ($r->getTraits() as $parent) {
Chris@0:             $this->collectLineage($parent->name, $lineage);
Chris@0:         }
Chris@0: 
Chris@0:         $lineage[$class] = substr($exportedFile, 1, -1);
Chris@0:     }
Chris@0: 
Chris@0:     private function generateProxyClasses()
Chris@0:     {
Chris@0:         $definitions = $this->container->getDefinitions();
Chris@0:         $strip = '' === $this->docStar && method_exists('Symfony\Component\HttpKernel\Kernel', 'stripComments');
Chris@0:         $proxyDumper = $this->getProxyDumper();
Chris@0:         ksort($definitions);
Chris@0:         foreach ($definitions as $definition) {
Chris@0:             if (!$proxyDumper->isProxyCandidate($definition)) {
Chris@0:                 continue;
Chris@0:             }
Chris@0:             // register class' reflector for resource tracking
Chris@0:             $this->container->getReflectionClass($definition->getClass());
Chris@0:             $proxyCode = "\n".$proxyDumper->getProxyCode($definition);
Chris@0:             if ($strip) {
Chris@0:                 $proxyCode = "<?php\n".$proxyCode;
Chris@0:                 $proxyCode = substr(Kernel::stripComments($proxyCode), 5);
Chris@0:             }
Chris@0:             yield sprintf('%s.php', explode(' ', $proxyCode, 3)[1]) => $proxyCode;
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Generates the require_once statement for service includes.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addServiceInclude($cId, Definition $definition, \SplObjectStorage $inlinedDefinitions)
Chris@0:     {
Chris@0:         $code = '';
Chris@0: 
Chris@0:         if ($this->inlineRequires && !$this->isHotPath($definition)) {
Chris@0:             $lineage = $calls = $behavior = array();
Chris@0:             foreach ($inlinedDefinitions as $def) {
Chris@0:                 if (!$def->isDeprecated() && is_string($class = is_array($factory = $def->getFactory()) && is_string($factory[0]) ? $factory[0] : $def->getClass())) {
Chris@0:                     $this->collectLineage($class, $lineage);
Chris@0:                 }
Chris@0:                 $arguments = array($def->getArguments(), $def->getFactory(), $def->getProperties(), $def->getMethodCalls(), $def->getConfigurator());
Chris@0:                 $this->getServiceCallsFromArguments($arguments, $calls, false, $cId, $behavior, $inlinedDefinitions[$def]);
Chris@0:             }
Chris@0: 
Chris@0:             foreach ($calls as $id => $callCount) {
Chris@0:                 if ('service_container' !== $id && $id !== $cId
Chris@0:                     && ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE !== $behavior[$id]
Chris@0:                     && $this->container->has($id)
Chris@0:                     && $this->isTrivialInstance($def = $this->container->findDefinition($id))
Chris@0:                     && is_string($class = is_array($factory = $def->getFactory()) && is_string($factory[0]) ? $factory[0] : $def->getClass())
Chris@0:                 ) {
Chris@0:                     $this->collectLineage($class, $lineage);
Chris@0:                 }
Chris@0:             }
Chris@0: 
Chris@0:             foreach (array_diff_key(array_flip($lineage), $this->inlinedRequires) as $file => $class) {
Chris@0:                 $code .= sprintf("        include_once %s;\n", $file);
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         foreach ($inlinedDefinitions as $def) {
Chris@0:             if ($file = $def->getFile()) {
Chris@0:                 $code .= sprintf("        include_once %s;\n", $this->dumpValue($file));
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         if ('' !== $code) {
Chris@0:             $code .= "\n";
Chris@0:         }
Chris@0: 
Chris@0:         return $code;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Generates the inline definition of a service.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      *
Chris@0:      * @throws RuntimeException                  When the factory definition is incomplete
Chris@0:      * @throws ServiceCircularReferenceException When a circular reference is detected
Chris@0:      */
Chris@0:     private function addServiceInlinedDefinitions($id, Definition $definition, \SplObjectStorage $inlinedDefinitions, &$isSimpleInstance)
Chris@0:     {
Chris@0:         $code = '';
Chris@0: 
Chris@0:         foreach ($inlinedDefinitions as $def) {
Chris@0:             if ($definition === $def) {
Chris@0:                 continue;
Chris@0:             }
Chris@0:             if ($inlinedDefinitions[$def] <= 1 && !$def->getMethodCalls() && !$def->getProperties() && !$def->getConfigurator() && false === strpos($this->dumpValue($def->getClass()), '$')) {
Chris@0:                 continue;
Chris@0:             }
Chris@0:             if (isset($this->definitionVariables[$def])) {
Chris@0:                 $name = $this->definitionVariables[$def];
Chris@0:             } else {
Chris@0:                 $name = $this->getNextVariableName();
Chris@0:                 $this->definitionVariables[$def] = new Variable($name);
Chris@0:             }
Chris@0: 
Chris@0:             // a construct like:
Chris@0:             // $a = new ServiceA(ServiceB $b); $b = new ServiceB(ServiceA $a);
Chris@0:             // this is an indication for a wrong implementation, you can circumvent this problem
Chris@0:             // by setting up your service structure like this:
Chris@0:             // $b = new ServiceB();
Chris@0:             // $a = new ServiceA(ServiceB $b);
Chris@0:             // $b->setServiceA(ServiceA $a);
Chris@0:             if (isset($inlinedDefinition[$definition]) && $this->hasReference($id, array($def->getArguments(), $def->getFactory()))) {
Chris@0:                 throw new ServiceCircularReferenceException($id, array($id));
Chris@0:             }
Chris@0: 
Chris@0:             $code .= $this->addNewInstance($def, '$'.$name, ' = ', $id);
Chris@0: 
Chris@0:             if (!$this->hasReference($id, array($def->getProperties(), $def->getMethodCalls(), $def->getConfigurator()), true)) {
Chris@0:                 $code .= $this->addServiceProperties($def, $name);
Chris@0:                 $code .= $this->addServiceMethodCalls($def, $name);
Chris@0:                 $code .= $this->addServiceConfigurator($def, $name);
Chris@0:             } else {
Chris@0:                 $isSimpleInstance = false;
Chris@0:             }
Chris@0: 
Chris@0:             $code .= "\n";
Chris@0:         }
Chris@0: 
Chris@0:         return $code;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Generates the service instance.
Chris@0:      *
Chris@0:      * @param string     $id
Chris@0:      * @param Definition $definition
Chris@0:      * @param bool       $isSimpleInstance
Chris@0:      *
Chris@0:      * @return string
Chris@0:      *
Chris@0:      * @throws InvalidArgumentException
Chris@0:      * @throws RuntimeException
Chris@0:      */
Chris@0:     private function addServiceInstance($id, Definition $definition, $isSimpleInstance)
Chris@0:     {
Chris@0:         $class = $this->dumpValue($definition->getClass());
Chris@0: 
Chris@0:         if (0 === strpos($class, "'") && false === strpos($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)) {
Chris@0:             throw new InvalidArgumentException(sprintf('"%s" is not a valid class name for the "%s" service.', $class, $id));
Chris@0:         }
Chris@0: 
Chris@0:         $isProxyCandidate = $this->getProxyDumper()->isProxyCandidate($definition);
Chris@0:         $instantiation = '';
Chris@0: 
Chris@0:         if (!$isProxyCandidate && $definition->isShared()) {
Chris@0:             $instantiation = "\$this->services['$id'] = ".($isSimpleInstance ? '' : '$instance');
Chris@0:         } elseif (!$isSimpleInstance) {
Chris@0:             $instantiation = '$instance';
Chris@0:         }
Chris@0: 
Chris@0:         $return = '';
Chris@0:         if ($isSimpleInstance) {
Chris@0:             $return = 'return ';
Chris@0:         } else {
Chris@0:             $instantiation .= ' = ';
Chris@0:         }
Chris@0: 
Chris@0:         $code = $this->addNewInstance($definition, $return, $instantiation, $id);
Chris@0: 
Chris@0:         if (!$isSimpleInstance) {
Chris@0:             $code .= "\n";
Chris@0:         }
Chris@0: 
Chris@0:         return $code;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Checks if the definition is a trivial instance.
Chris@0:      *
Chris@0:      * @param Definition $definition
Chris@0:      *
Chris@0:      * @return bool
Chris@0:      */
Chris@0:     private function isTrivialInstance(Definition $definition)
Chris@0:     {
Chris@0:         if ($definition->isSynthetic() || $definition->getFile() || $definition->getMethodCalls() || $definition->getProperties() || $definition->getConfigurator()) {
Chris@0:             return false;
Chris@0:         }
Chris@0:         if ($definition->isDeprecated() || $definition->isLazy() || $definition->getFactory() || 3 < count($definition->getArguments())) {
Chris@0:             return false;
Chris@0:         }
Chris@0: 
Chris@0:         foreach ($definition->getArguments() as $arg) {
Chris@0:             if (!$arg || $arg instanceof Parameter) {
Chris@0:                 continue;
Chris@0:             }
Chris@0:             if (is_array($arg) && 3 >= count($arg)) {
Chris@0:                 foreach ($arg as $k => $v) {
Chris@0:                     if ($this->dumpValue($k) !== $this->dumpValue($k, false)) {
Chris@0:                         return false;
Chris@0:                     }
Chris@0:                     if (!$v || $v instanceof Parameter) {
Chris@0:                         continue;
Chris@0:                     }
Chris@0:                     if ($v instanceof Reference && $this->container->has($id = (string) $v) && $this->container->findDefinition($id)->isSynthetic()) {
Chris@0:                         continue;
Chris@0:                     }
Chris@0:                     if (!is_scalar($v) || $this->dumpValue($v) !== $this->dumpValue($v, false)) {
Chris@0:                         return false;
Chris@0:                     }
Chris@0:                 }
Chris@0:             } elseif ($arg instanceof Reference && $this->container->has($id = (string) $arg) && $this->container->findDefinition($id)->isSynthetic()) {
Chris@0:                 continue;
Chris@0:             } elseif (!is_scalar($arg) || $this->dumpValue($arg) !== $this->dumpValue($arg, false)) {
Chris@0:                 return false;
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         if (false !== strpos($this->dumpLiteralClass($this->dumpValue($definition->getClass())), '$')) {
Chris@0:             return false;
Chris@0:         }
Chris@0: 
Chris@0:         return true;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds method calls to a service definition.
Chris@0:      *
Chris@0:      * @param Definition $definition
Chris@0:      * @param string     $variableName
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addServiceMethodCalls(Definition $definition, $variableName = 'instance')
Chris@0:     {
Chris@0:         $calls = '';
Chris@0:         foreach ($definition->getMethodCalls() as $call) {
Chris@0:             $arguments = array();
Chris@0:             foreach ($call[1] as $value) {
Chris@0:                 $arguments[] = $this->dumpValue($value);
Chris@0:             }
Chris@0: 
Chris@0:             $calls .= $this->wrapServiceConditionals($call[1], sprintf("        \$%s->%s(%s);\n", $variableName, $call[0], implode(', ', $arguments)));
Chris@0:         }
Chris@0: 
Chris@0:         return $calls;
Chris@0:     }
Chris@0: 
Chris@0:     private function addServiceProperties(Definition $definition, $variableName = 'instance')
Chris@0:     {
Chris@0:         $code = '';
Chris@0:         foreach ($definition->getProperties() as $name => $value) {
Chris@0:             $code .= sprintf("        \$%s->%s = %s;\n", $variableName, $name, $this->dumpValue($value));
Chris@0:         }
Chris@0: 
Chris@0:         return $code;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Generates the inline definition setup.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      *
Chris@0:      * @throws ServiceCircularReferenceException when the container contains a circular reference
Chris@0:      */
Chris@0:     private function addServiceInlinedDefinitionsSetup($id, Definition $definition, \SplObjectStorage $inlinedDefinitions, $isSimpleInstance)
Chris@0:     {
Chris@0:         $this->referenceVariables[$id] = new Variable('instance');
Chris@0: 
Chris@0:         $code = '';
Chris@0:         foreach ($inlinedDefinitions as $def) {
Chris@0:             if ($definition === $def || !$this->hasReference($id, array($def->getProperties(), $def->getMethodCalls(), $def->getConfigurator()), true)) {
Chris@0:                 continue;
Chris@0:             }
Chris@0: 
Chris@0:             // if the instance is simple, the return statement has already been generated
Chris@0:             // so, the only possible way to get there is because of a circular reference
Chris@0:             if ($isSimpleInstance) {
Chris@0:                 throw new ServiceCircularReferenceException($id, array($id));
Chris@0:             }
Chris@0: 
Chris@0:             $name = (string) $this->definitionVariables[$def];
Chris@0:             $code .= $this->addServiceProperties($def, $name);
Chris@0:             $code .= $this->addServiceMethodCalls($def, $name);
Chris@0:             $code .= $this->addServiceConfigurator($def, $name);
Chris@0:         }
Chris@0: 
Chris@0:         if ('' !== $code && ($definition->getProperties() || $definition->getMethodCalls() || $definition->getConfigurator())) {
Chris@0:             $code .= "\n";
Chris@0:         }
Chris@0: 
Chris@0:         return $code;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds configurator definition.
Chris@0:      *
Chris@0:      * @param Definition $definition
Chris@0:      * @param string     $variableName
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addServiceConfigurator(Definition $definition, $variableName = 'instance')
Chris@0:     {
Chris@0:         if (!$callable = $definition->getConfigurator()) {
Chris@0:             return '';
Chris@0:         }
Chris@0: 
Chris@0:         if (is_array($callable)) {
Chris@0:             if ($callable[0] instanceof Reference
Chris@0:                 || ($callable[0] instanceof Definition && $this->definitionVariables->contains($callable[0]))) {
Chris@0:                 return sprintf("        %s->%s(\$%s);\n", $this->dumpValue($callable[0]), $callable[1], $variableName);
Chris@0:             }
Chris@0: 
Chris@0:             $class = $this->dumpValue($callable[0]);
Chris@0:             // If the class is a string we can optimize call_user_func away
Chris@0:             if (0 === strpos($class, "'") && false === strpos($class, '$')) {
Chris@0:                 return sprintf("        %s::%s(\$%s);\n", $this->dumpLiteralClass($class), $callable[1], $variableName);
Chris@0:             }
Chris@0: 
Chris@0:             if (0 === strpos($class, 'new ')) {
Chris@0:                 return sprintf("        (%s)->%s(\$%s);\n", $this->dumpValue($callable[0]), $callable[1], $variableName);
Chris@0:             }
Chris@0: 
Chris@0:             return sprintf("        \\call_user_func(array(%s, '%s'), \$%s);\n", $this->dumpValue($callable[0]), $callable[1], $variableName);
Chris@0:         }
Chris@0: 
Chris@0:         return sprintf("        %s(\$%s);\n", $callable, $variableName);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds a service.
Chris@0:      *
Chris@0:      * @param string     $id
Chris@0:      * @param Definition $definition
Chris@0:      * @param string     &$file
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addService($id, Definition $definition, &$file = null)
Chris@0:     {
Chris@0:         $this->definitionVariables = new \SplObjectStorage();
Chris@0:         $this->referenceVariables = array();
Chris@0:         $this->variableCount = 0;
Chris@0: 
Chris@0:         $return = array();
Chris@0: 
Chris@0:         if ($class = $definition->getClass()) {
Chris@0:             $class = $this->container->resolveEnvPlaceholders($class);
Chris@0:             $return[] = sprintf(0 === strpos($class, '%') ? '@return object A %1$s instance' : '@return \%s', ltrim($class, '\\'));
Chris@0:         } elseif ($definition->getFactory()) {
Chris@0:             $factory = $definition->getFactory();
Chris@0:             if (is_string($factory)) {
Chris@0:                 $return[] = sprintf('@return object An instance returned by %s()', $factory);
Chris@0:             } elseif (is_array($factory) && (is_string($factory[0]) || $factory[0] instanceof Definition || $factory[0] instanceof Reference)) {
Chris@0:                 if (is_string($factory[0]) || $factory[0] instanceof Reference) {
Chris@0:                     $return[] = sprintf('@return object An instance returned by %s::%s()', (string) $factory[0], $factory[1]);
Chris@0:                 } elseif ($factory[0] instanceof Definition) {
Chris@0:                     $return[] = sprintf('@return object An instance returned by %s::%s()', $factory[0]->getClass(), $factory[1]);
Chris@0:                 }
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         if ($definition->isDeprecated()) {
Chris@0:             if ($return && 0 === strpos($return[count($return) - 1], '@return')) {
Chris@0:                 $return[] = '';
Chris@0:             }
Chris@0: 
Chris@0:             $return[] = sprintf('@deprecated %s', $definition->getDeprecationMessage($id));
Chris@0:         }
Chris@0: 
Chris@0:         $return = str_replace("\n     * \n", "\n     *\n", implode("\n     * ", $return));
Chris@0:         $return = $this->container->resolveEnvPlaceholders($return);
Chris@0: 
Chris@0:         $shared = $definition->isShared() ? ' shared' : '';
Chris@0:         $public = $definition->isPublic() ? 'public' : 'private';
Chris@0:         $autowired = $definition->isAutowired() ? ' autowired' : '';
Chris@0: 
Chris@0:         if ($definition->isLazy()) {
Chris@0:             $lazyInitialization = '$lazyLoad = true';
Chris@0:         } else {
Chris@0:             $lazyInitialization = '';
Chris@0:         }
Chris@0: 
Chris@0:         $asFile = $this->asFiles && $definition->isShared() && !$this->isHotPath($definition);
Chris@0:         $methodName = $this->generateMethodName($id);
Chris@0:         if ($asFile) {
Chris@0:             $file = $methodName.'.php';
Chris@0:             $code = "        // Returns the $public '$id'$shared$autowired service.\n\n";
Chris@0:         } else {
Chris@0:             $code = <<<EOF
Chris@0: 
Chris@0:     /*{$this->docStar}
Chris@0:      * Gets the $public '$id'$shared$autowired service.
Chris@0:      *
Chris@0:      * $return
Chris@0:      */
Chris@0:     protected function {$methodName}($lazyInitialization)
Chris@0:     {
Chris@0: 
Chris@0: EOF;
Chris@0:         }
Chris@0: 
Chris@0:         if ($this->getProxyDumper()->isProxyCandidate($definition)) {
Chris@0:             $factoryCode = $asFile ? "\$this->load('%s.php', false)" : '$this->%s(false)';
Chris@0:             $code .= $this->getProxyDumper()->getProxyFactoryCode($definition, $id, sprintf($factoryCode, $methodName));
Chris@0:         }
Chris@0: 
Chris@0:         if ($definition->isDeprecated()) {
Chris@0:             $code .= sprintf("        @trigger_error(%s, E_USER_DEPRECATED);\n\n", $this->export($definition->getDeprecationMessage($id)));
Chris@0:         }
Chris@0: 
Chris@0:         $inlinedDefinitions = $this->getDefinitionsFromArguments(array($definition));
Chris@0:         $constructorDefinitions = $this->getDefinitionsFromArguments(array($definition->getArguments(), $definition->getFactory()));
Chris@0:         $otherDefinitions = new \SplObjectStorage();
Chris@0: 
Chris@0:         foreach ($inlinedDefinitions as $def) {
Chris@0:             if ($def === $definition || isset($constructorDefinitions[$def])) {
Chris@0:                 $constructorDefinitions[$def] = $inlinedDefinitions[$def];
Chris@0:             } else {
Chris@0:                 $otherDefinitions[$def] = $inlinedDefinitions[$def];
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         $isSimpleInstance = !$definition->getProperties() && !$definition->getMethodCalls() && !$definition->getConfigurator();
Chris@0: 
Chris@0:         $code .=
Chris@0:             $this->addServiceInclude($id, $definition, $inlinedDefinitions).
Chris@0:             $this->addServiceLocalTempVariables($id, $definition, $constructorDefinitions, $inlinedDefinitions).
Chris@0:             $this->addServiceInlinedDefinitions($id, $definition, $constructorDefinitions, $isSimpleInstance).
Chris@0:             $this->addServiceInstance($id, $definition, $isSimpleInstance).
Chris@0:             $this->addServiceLocalTempVariables($id, $definition, $otherDefinitions, $inlinedDefinitions).
Chris@0:             $this->addServiceInlinedDefinitions($id, $definition, $otherDefinitions, $isSimpleInstance).
Chris@0:             $this->addServiceInlinedDefinitionsSetup($id, $definition, $inlinedDefinitions, $isSimpleInstance).
Chris@0:             $this->addServiceProperties($definition).
Chris@0:             $this->addServiceMethodCalls($definition).
Chris@0:             $this->addServiceConfigurator($definition).
Chris@0:             (!$isSimpleInstance ? "\n        return \$instance;\n" : '')
Chris@0:         ;
Chris@0: 
Chris@0:         if ($asFile) {
Chris@0:             $code = implode("\n", array_map(function ($line) { return $line ? substr($line, 8) : $line; }, explode("\n", $code)));
Chris@0:         } else {
Chris@0:             $code .= "    }\n";
Chris@0:         }
Chris@0: 
Chris@0:         $this->definitionVariables = null;
Chris@0:         $this->referenceVariables = null;
Chris@0: 
Chris@0:         return $code;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds multiple services.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addServices()
Chris@0:     {
Chris@0:         $publicServices = $privateServices = '';
Chris@0:         $definitions = $this->container->getDefinitions();
Chris@0:         ksort($definitions);
Chris@0:         foreach ($definitions as $id => $definition) {
Chris@0:             if ($definition->isSynthetic() || ($this->asFiles && $definition->isShared() && !$this->isHotPath($definition))) {
Chris@0:                 continue;
Chris@0:             }
Chris@0:             if ($definition->isPublic()) {
Chris@0:                 $publicServices .= $this->addService($id, $definition);
Chris@0:             } else {
Chris@0:                 $privateServices .= $this->addService($id, $definition);
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return $publicServices.$privateServices;
Chris@0:     }
Chris@0: 
Chris@0:     private function generateServiceFiles()
Chris@0:     {
Chris@0:         $definitions = $this->container->getDefinitions();
Chris@0:         ksort($definitions);
Chris@0:         foreach ($definitions as $id => $definition) {
Chris@0:             if (!$definition->isSynthetic() && $definition->isShared() && !$this->isHotPath($definition)) {
Chris@0:                 $code = $this->addService($id, $definition, $file);
Chris@0:                 yield $file => $code;
Chris@0:             }
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     private function addNewInstance(Definition $definition, $return, $instantiation, $id)
Chris@0:     {
Chris@0:         $class = $this->dumpValue($definition->getClass());
Chris@0:         $return = '        '.$return.$instantiation;
Chris@0: 
Chris@0:         $arguments = array();
Chris@0:         foreach ($definition->getArguments() as $value) {
Chris@0:             $arguments[] = $this->dumpValue($value);
Chris@0:         }
Chris@0: 
Chris@0:         if (null !== $definition->getFactory()) {
Chris@0:             $callable = $definition->getFactory();
Chris@0:             if (is_array($callable)) {
Chris@0:                 if (!preg_match('/^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*$/', $callable[1])) {
Chris@0:                     throw new RuntimeException(sprintf('Cannot dump definition because of invalid factory method (%s)', $callable[1] ?: 'n/a'));
Chris@0:                 }
Chris@0: 
Chris@0:                 if ($callable[0] instanceof Reference
Chris@0:                     || ($callable[0] instanceof Definition && $this->definitionVariables->contains($callable[0]))) {
Chris@0:                     return $return.sprintf("%s->%s(%s);\n", $this->dumpValue($callable[0]), $callable[1], $arguments ? implode(', ', $arguments) : '');
Chris@0:                 }
Chris@0: 
Chris@0:                 $class = $this->dumpValue($callable[0]);
Chris@0:                 // If the class is a string we can optimize call_user_func away
Chris@0:                 if (0 === strpos($class, "'") && false === strpos($class, '$')) {
Chris@0:                     if ("''" === $class) {
Chris@0:                         throw new RuntimeException(sprintf('Cannot dump definition: The "%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));
Chris@0:                     }
Chris@0: 
Chris@0:                     return $return.sprintf("%s::%s(%s);\n", $this->dumpLiteralClass($class), $callable[1], $arguments ? implode(', ', $arguments) : '');
Chris@0:                 }
Chris@0: 
Chris@0:                 if (0 === strpos($class, 'new ')) {
Chris@0:                     return $return.sprintf("(%s)->%s(%s);\n", $class, $callable[1], $arguments ? implode(', ', $arguments) : '');
Chris@0:                 }
Chris@0: 
Chris@0:                 return $return.sprintf("\\call_user_func(array(%s, '%s')%s);\n", $class, $callable[1], $arguments ? ', '.implode(', ', $arguments) : '');
Chris@0:             }
Chris@0: 
Chris@0:             return $return.sprintf("%s(%s);\n", $this->dumpLiteralClass($this->dumpValue($callable)), $arguments ? implode(', ', $arguments) : '');
Chris@0:         }
Chris@0: 
Chris@0:         if (false !== strpos($class, '$')) {
Chris@0:             return sprintf("        \$class = %s;\n\n%snew \$class(%s);\n", $class, $return, implode(', ', $arguments));
Chris@0:         }
Chris@0: 
Chris@0:         return $return.sprintf("new %s(%s);\n", $this->dumpLiteralClass($class), implode(', ', $arguments));
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds the class headers.
Chris@0:      *
Chris@0:      * @param string $class                  Class name
Chris@0:      * @param string $baseClass              The name of the base class
Chris@0:      * @param string $baseClassWithNamespace Fully qualified base class name
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function startClass($class, $baseClass, $baseClassWithNamespace)
Chris@0:     {
Chris@0:         $bagClass = $this->container->isCompiled() ? 'use Symfony\Component\DependencyInjection\ParameterBag\FrozenParameterBag;' : 'use Symfony\Component\DependencyInjection\ParameterBag\\ParameterBag;';
Chris@0:         $namespaceLine = !$this->asFiles && $this->namespace ? "\nnamespace {$this->namespace};\n" : '';
Chris@0: 
Chris@0:         $code = <<<EOF
Chris@0: <?php
Chris@0: $namespaceLine
Chris@0: use Symfony\Component\DependencyInjection\Argument\RewindableGenerator;
Chris@0: use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@0: use Symfony\Component\DependencyInjection\Container;
Chris@0: use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
Chris@0: use Symfony\Component\DependencyInjection\Exception\LogicException;
Chris@0: use Symfony\Component\DependencyInjection\Exception\RuntimeException;
Chris@0: $bagClass
Chris@0: 
Chris@0: /*{$this->docStar}
Chris@0:  * This class has been auto-generated
Chris@0:  * by the Symfony Dependency Injection Component.
Chris@0:  *
Chris@0:  * @final since Symfony 3.3
Chris@0:  */
Chris@0: class $class extends $baseClass
Chris@0: {
Chris@0:     private \$parameters;
Chris@0:     private \$targetDirs = array();
Chris@0: 
Chris@0:     public function __construct()
Chris@0:     {
Chris@0: 
Chris@0: EOF;
Chris@0:         if (null !== $this->targetDirRegex) {
Chris@0:             $dir = $this->asFiles ? '$this->targetDirs[0] = \\dirname($containerDir)' : '__DIR__';
Chris@0:             $code .= <<<EOF
Chris@0:         \$dir = {$dir};
Chris@0:         for (\$i = 1; \$i <= {$this->targetDirMaxMatches}; ++\$i) {
Chris@0:             \$this->targetDirs[\$i] = \$dir = \\dirname(\$dir);
Chris@0:         }
Chris@0: 
Chris@0: EOF;
Chris@0:         }
Chris@0:         if ($this->asFiles) {
Chris@0:             $code = str_replace('$parameters', "\$buildParameters;\n    private \$containerDir;\n    private \$parameters", $code);
Chris@0:             $code = str_replace('__construct()', '__construct(array $buildParameters = array(), $containerDir = __DIR__)', $code);
Chris@0:             $code .= "        \$this->buildParameters = \$buildParameters;\n";
Chris@0:             $code .= "        \$this->containerDir = \$containerDir;\n";
Chris@0:         }
Chris@0: 
Chris@0:         if ($this->container->isCompiled()) {
Chris@0:             if (Container::class !== $baseClassWithNamespace) {
Chris@0:                 $r = $this->container->getReflectionClass($baseClassWithNamespace, false);
Chris@0:                 if (null !== $r
Chris@0:                     && (null !== $constructor = $r->getConstructor())
Chris@0:                     && 0 === $constructor->getNumberOfRequiredParameters()
Chris@0:                     && Container::class !== $constructor->getDeclaringClass()->name
Chris@0:                 ) {
Chris@0:                     $code .= "        parent::__construct();\n";
Chris@0:                     $code .= "        \$this->parameterBag = null;\n\n";
Chris@0:                 }
Chris@0:             }
Chris@0: 
Chris@0:             if ($this->container->getParameterBag()->all()) {
Chris@0:                 $code .= "        \$this->parameters = \$this->getDefaultParameters();\n\n";
Chris@0:             }
Chris@0: 
Chris@0:             $code .= "        \$this->services = array();\n";
Chris@0:         } else {
Chris@0:             $arguments = $this->container->getParameterBag()->all() ? 'new ParameterBag($this->getDefaultParameters())' : null;
Chris@0:             $code .= "        parent::__construct($arguments);\n";
Chris@0:         }
Chris@0: 
Chris@0:         $code .= $this->addNormalizedIds();
Chris@0:         $code .= $this->addSyntheticIds();
Chris@0:         $code .= $this->addMethodMap();
Chris@0:         $code .= $this->asFiles ? $this->addFileMap() : '';
Chris@0:         $code .= $this->addPrivateServices();
Chris@0:         $code .= $this->addAliases();
Chris@0:         $code .= $this->addInlineRequires();
Chris@0:         $code .= <<<'EOF'
Chris@0:     }
Chris@0: 
Chris@0: EOF;
Chris@0:         $code .= $this->addRemovedIds();
Chris@0: 
Chris@0:         if ($this->container->isCompiled()) {
Chris@0:             $code .= <<<EOF
Chris@0: 
Chris@0:     public function compile()
Chris@0:     {
Chris@0:         throw new LogicException('You cannot compile a dumped container that was already compiled.');
Chris@0:     }
Chris@0: 
Chris@0:     public function isCompiled()
Chris@0:     {
Chris@0:         return true;
Chris@0:     }
Chris@0: 
Chris@0:     public function isFrozen()
Chris@0:     {
Chris@0:         @trigger_error(sprintf('The %s() method is deprecated since Symfony 3.3 and will be removed in 4.0. Use the isCompiled() method instead.', __METHOD__), E_USER_DEPRECATED);
Chris@0: 
Chris@0:         return true;
Chris@0:     }
Chris@0: 
Chris@0: EOF;
Chris@0:         }
Chris@0: 
Chris@0:         if ($this->asFiles) {
Chris@0:             $code .= <<<EOF
Chris@0: 
Chris@0:     protected function load(\$file, \$lazyLoad = true)
Chris@0:     {
Chris@0:         return require \$this->containerDir.\\DIRECTORY_SEPARATOR.\$file;
Chris@0:     }
Chris@0: 
Chris@0: EOF;
Chris@0:         }
Chris@0: 
Chris@0:         $proxyDumper = $this->getProxyDumper();
Chris@0:         foreach ($this->container->getDefinitions() as $definition) {
Chris@0:             if (!$proxyDumper->isProxyCandidate($definition)) {
Chris@0:                 continue;
Chris@0:             }
Chris@0:             if ($this->asFiles) {
Chris@0:                 $proxyLoader = '$this->load("{$class}.php")';
Chris@0:             } elseif ($this->namespace) {
Chris@0:                 $proxyLoader = 'class_alias("'.$this->namespace.'\\\\{$class}", $class, false)';
Chris@0:             } else {
Chris@0:                 $proxyLoader = '';
Chris@0:             }
Chris@0:             if ($proxyLoader) {
Chris@0:                 $proxyLoader = "class_exists(\$class, false) || {$proxyLoader};\n\n        ";
Chris@0:             }
Chris@0:             $code .= <<<EOF
Chris@0: 
Chris@0:     protected function createProxy(\$class, \Closure \$factory)
Chris@0:     {
Chris@0:         {$proxyLoader}return \$factory();
Chris@0:     }
Chris@0: 
Chris@0: EOF;
Chris@0:             break;
Chris@0:         }
Chris@0: 
Chris@0:         return $code;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds the normalizedIds property definition.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addNormalizedIds()
Chris@0:     {
Chris@0:         $code = '';
Chris@0:         $normalizedIds = $this->container->getNormalizedIds();
Chris@0:         ksort($normalizedIds);
Chris@0:         foreach ($normalizedIds as $id => $normalizedId) {
Chris@0:             if ($this->container->has($normalizedId)) {
Chris@0:                 $code .= '            '.$this->doExport($id).' => '.$this->doExport($normalizedId).",\n";
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return $code ? "        \$this->normalizedIds = array(\n".$code."        );\n" : '';
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds the syntheticIds definition.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addSyntheticIds()
Chris@0:     {
Chris@0:         $code = '';
Chris@0:         $definitions = $this->container->getDefinitions();
Chris@0:         ksort($definitions);
Chris@0:         foreach ($definitions as $id => $definition) {
Chris@0:             if ($definition->isSynthetic() && 'service_container' !== $id) {
Chris@0:                 $code .= '            '.$this->doExport($id)." => true,\n";
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return $code ? "        \$this->syntheticIds = array(\n{$code}        );\n" : '';
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds the removedIds definition.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addRemovedIds()
Chris@0:     {
Chris@0:         if (!$ids = $this->container->getRemovedIds()) {
Chris@0:             return '';
Chris@0:         }
Chris@0:         if ($this->asFiles) {
Chris@0:             $code = "require \$this->containerDir.\\DIRECTORY_SEPARATOR.'removed-ids.php'";
Chris@0:         } else {
Chris@0:             $code = '';
Chris@0:             $ids = array_keys($ids);
Chris@0:             sort($ids);
Chris@0:             foreach ($ids as $id) {
Chris@0:                 $code .= '            '.$this->doExport($id)." => true,\n";
Chris@0:             }
Chris@0: 
Chris@0:             $code = "array(\n{$code}        )";
Chris@0:         }
Chris@0: 
Chris@0:         return <<<EOF
Chris@0: 
Chris@0:     public function getRemovedIds()
Chris@0:     {
Chris@0:         return {$code};
Chris@0:     }
Chris@0: 
Chris@0: EOF;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds the methodMap property definition.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addMethodMap()
Chris@0:     {
Chris@0:         $code = '';
Chris@0:         $definitions = $this->container->getDefinitions();
Chris@0:         ksort($definitions);
Chris@0:         foreach ($definitions as $id => $definition) {
Chris@0:             if (!$definition->isSynthetic() && (!$this->asFiles || !$definition->isShared() || $this->isHotPath($definition))) {
Chris@0:                 $code .= '            '.$this->doExport($id).' => '.$this->doExport($this->generateMethodName($id)).",\n";
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return $code ? "        \$this->methodMap = array(\n{$code}        );\n" : '';
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds the fileMap property definition.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addFileMap()
Chris@0:     {
Chris@0:         $code = '';
Chris@0:         $definitions = $this->container->getDefinitions();
Chris@0:         ksort($definitions);
Chris@0:         foreach ($definitions as $id => $definition) {
Chris@0:             if (!$definition->isSynthetic() && $definition->isShared() && !$this->isHotPath($definition)) {
Chris@0:                 $code .= sprintf("            %s => '%s.php',\n", $this->doExport($id), $this->generateMethodName($id));
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return $code ? "        \$this->fileMap = array(\n{$code}        );\n" : '';
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds the privates property definition.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addPrivateServices()
Chris@0:     {
Chris@0:         $code = '';
Chris@0: 
Chris@0:         $aliases = $this->container->getAliases();
Chris@0:         ksort($aliases);
Chris@0:         foreach ($aliases as $id => $alias) {
Chris@0:             if ($alias->isPrivate()) {
Chris@0:                 $code .= '            '.$this->doExport($id)." => true,\n";
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         $definitions = $this->container->getDefinitions();
Chris@0:         ksort($definitions);
Chris@0:         foreach ($definitions as $id => $definition) {
Chris@0:             if (!$definition->isPublic()) {
Chris@0:                 $code .= '            '.$this->doExport($id)." => true,\n";
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         if (empty($code)) {
Chris@0:             return '';
Chris@0:         }
Chris@0: 
Chris@0:         $out = "        \$this->privates = array(\n";
Chris@0:         $out .= $code;
Chris@0:         $out .= "        );\n";
Chris@0: 
Chris@0:         return $out;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds the aliases property definition.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addAliases()
Chris@0:     {
Chris@0:         if (!$aliases = $this->container->getAliases()) {
Chris@0:             return $this->container->isCompiled() ? "\n        \$this->aliases = array();\n" : '';
Chris@0:         }
Chris@0: 
Chris@0:         $code = "        \$this->aliases = array(\n";
Chris@0:         ksort($aliases);
Chris@0:         foreach ($aliases as $alias => $id) {
Chris@0:             $id = $this->container->normalizeId($id);
Chris@0:             while (isset($aliases[$id])) {
Chris@0:                 $id = $this->container->normalizeId($aliases[$id]);
Chris@0:             }
Chris@0:             $code .= '            '.$this->doExport($alias).' => '.$this->doExport($id).",\n";
Chris@0:         }
Chris@0: 
Chris@0:         return $code."        );\n";
Chris@0:     }
Chris@0: 
Chris@0:     private function addInlineRequires()
Chris@0:     {
Chris@0:         if (!$this->hotPathTag || !$this->inlineRequires) {
Chris@0:             return '';
Chris@0:         }
Chris@0: 
Chris@0:         $lineage = array();
Chris@0: 
Chris@0:         foreach ($this->container->findTaggedServiceIds($this->hotPathTag) as $id => $tags) {
Chris@0:             $definition = $this->container->getDefinition($id);
Chris@0:             $inlinedDefinitions = $this->getDefinitionsFromArguments(array($definition));
Chris@0: 
Chris@0:             foreach ($inlinedDefinitions as $def) {
Chris@0:                 if (is_string($class = is_array($factory = $def->getFactory()) && is_string($factory[0]) ? $factory[0] : $def->getClass())) {
Chris@0:                     $this->collectLineage($class, $lineage);
Chris@0:                 }
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         $code = '';
Chris@0: 
Chris@0:         foreach ($lineage as $file) {
Chris@0:             if (!isset($this->inlinedRequires[$file])) {
Chris@0:                 $this->inlinedRequires[$file] = true;
Chris@0:                 $code .= sprintf("\n            include_once %s;", $file);
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return $code ? sprintf("\n        \$this->privates['service_container'] = function () {%s\n        };\n", $code) : '';
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Adds default parameters method.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function addDefaultParametersMethod()
Chris@0:     {
Chris@0:         if (!$this->container->getParameterBag()->all()) {
Chris@0:             return '';
Chris@0:         }
Chris@0: 
Chris@0:         $php = array();
Chris@0:         $dynamicPhp = array();
Chris@0:         $normalizedParams = array();
Chris@0: 
Chris@0:         foreach ($this->container->getParameterBag()->all() as $key => $value) {
Chris@0:             if ($key !== $resolvedKey = $this->container->resolveEnvPlaceholders($key)) {
Chris@0:                 throw new InvalidArgumentException(sprintf('Parameter name cannot use env parameters: %s.', $resolvedKey));
Chris@0:             }
Chris@0:             if ($key !== $lcKey = strtolower($key)) {
Chris@0:                 $normalizedParams[] = sprintf('        %s => %s,', $this->export($lcKey), $this->export($key));
Chris@0:             }
Chris@0:             $export = $this->exportParameters(array($value));
Chris@0:             $export = explode('0 => ', substr(rtrim($export, " )\n"), 7, -1), 2);
Chris@0: 
Chris@0:             if (preg_match("/\\\$this->(?:getEnv\('(?:\w++:)*+\w++'\)|targetDirs\[\d++\])/", $export[1])) {
Chris@0:                 $dynamicPhp[$key] = sprintf('%scase %s: $value = %s; break;', $export[0], $this->export($key), $export[1]);
Chris@0:             } else {
Chris@0:                 $php[] = sprintf('%s%s => %s,', $export[0], $this->export($key), $export[1]);
Chris@0:             }
Chris@0:         }
Chris@0:         $parameters = sprintf("array(\n%s\n%s)", implode("\n", $php), str_repeat(' ', 8));
Chris@0: 
Chris@0:         $code = '';
Chris@0:         if ($this->container->isCompiled()) {
Chris@0:             $code .= <<<'EOF'
Chris@0: 
Chris@0:     public function getParameter($name)
Chris@0:     {
Chris@0:         $name = (string) $name;
Chris@0:         if (isset($this->buildParameters[$name])) {
Chris@0:             return $this->buildParameters[$name];
Chris@0:         }
Chris@0:         if (!(isset($this->parameters[$name]) || isset($this->loadedDynamicParameters[$name]) || array_key_exists($name, $this->parameters))) {
Chris@0:             $name = $this->normalizeParameterName($name);
Chris@0: 
Chris@0:             if (!(isset($this->parameters[$name]) || isset($this->loadedDynamicParameters[$name]) || array_key_exists($name, $this->parameters))) {
Chris@0:                 throw new InvalidArgumentException(sprintf('The parameter "%s" must be defined.', $name));
Chris@0:             }
Chris@0:         }
Chris@0:         if (isset($this->loadedDynamicParameters[$name])) {
Chris@0:             return $this->loadedDynamicParameters[$name] ? $this->dynamicParameters[$name] : $this->getDynamicParameter($name);
Chris@0:         }
Chris@0: 
Chris@0:         return $this->parameters[$name];
Chris@0:     }
Chris@0: 
Chris@0:     public function hasParameter($name)
Chris@0:     {
Chris@0:         $name = (string) $name;
Chris@0:         if (isset($this->buildParameters[$name])) {
Chris@0:             return true;
Chris@0:         }
Chris@0:         $name = $this->normalizeParameterName($name);
Chris@0: 
Chris@0:         return isset($this->parameters[$name]) || isset($this->loadedDynamicParameters[$name]) || array_key_exists($name, $this->parameters);
Chris@0:     }
Chris@0: 
Chris@0:     public function setParameter($name, $value)
Chris@0:     {
Chris@0:         throw new LogicException('Impossible to call set() on a frozen ParameterBag.');
Chris@0:     }
Chris@0: 
Chris@0:     public function getParameterBag()
Chris@0:     {
Chris@0:         if (null === $this->parameterBag) {
Chris@0:             $parameters = $this->parameters;
Chris@0:             foreach ($this->loadedDynamicParameters as $name => $loaded) {
Chris@0:                 $parameters[$name] = $loaded ? $this->dynamicParameters[$name] : $this->getDynamicParameter($name);
Chris@0:             }
Chris@0:             foreach ($this->buildParameters as $name => $value) {
Chris@0:                 $parameters[$name] = $value;
Chris@0:             }
Chris@0:             $this->parameterBag = new FrozenParameterBag($parameters);
Chris@0:         }
Chris@0: 
Chris@0:         return $this->parameterBag;
Chris@0:     }
Chris@0: 
Chris@0: EOF;
Chris@0:             if (!$this->asFiles) {
Chris@0:                 $code = preg_replace('/^.*buildParameters.*\n.*\n.*\n/m', '', $code);
Chris@0:             }
Chris@0: 
Chris@0:             if ($dynamicPhp) {
Chris@0:                 $loadedDynamicParameters = $this->exportParameters(array_combine(array_keys($dynamicPhp), array_fill(0, count($dynamicPhp), false)), '', 8);
Chris@0:                 $getDynamicParameter = <<<'EOF'
Chris@0:         switch ($name) {
Chris@0: %s
Chris@0:             default: throw new InvalidArgumentException(sprintf('The dynamic parameter "%%s" must be defined.', $name));
Chris@0:         }
Chris@0:         $this->loadedDynamicParameters[$name] = true;
Chris@0: 
Chris@0:         return $this->dynamicParameters[$name] = $value;
Chris@0: EOF;
Chris@0:                 $getDynamicParameter = sprintf($getDynamicParameter, implode("\n", $dynamicPhp));
Chris@0:             } else {
Chris@0:                 $loadedDynamicParameters = 'array()';
Chris@0:                 $getDynamicParameter = str_repeat(' ', 8).'throw new InvalidArgumentException(sprintf(\'The dynamic parameter "%s" must be defined.\', $name));';
Chris@0:             }
Chris@0: 
Chris@0:             $code .= <<<EOF
Chris@0: 
Chris@0:     private \$loadedDynamicParameters = {$loadedDynamicParameters};
Chris@0:     private \$dynamicParameters = array();
Chris@0: 
Chris@0:     /*{$this->docStar}
Chris@0:      * Computes a dynamic parameter.
Chris@0:      *
Chris@0:      * @param string The name of the dynamic parameter to load
Chris@0:      *
Chris@0:      * @return mixed The value of the dynamic parameter
Chris@0:      *
Chris@0:      * @throws InvalidArgumentException When the dynamic parameter does not exist
Chris@0:      */
Chris@0:     private function getDynamicParameter(\$name)
Chris@0:     {
Chris@0: {$getDynamicParameter}
Chris@0:     }
Chris@0: 
Chris@0: 
Chris@0: EOF;
Chris@0: 
Chris@0:             $code .= '    private $normalizedParameterNames = '.($normalizedParams ? sprintf("array(\n%s\n    );", implode("\n", $normalizedParams)) : 'array();')."\n";
Chris@0:             $code .= <<<'EOF'
Chris@0: 
Chris@0:     private function normalizeParameterName($name)
Chris@0:     {
Chris@0:         if (isset($this->normalizedParameterNames[$normalizedName = strtolower($name)]) || isset($this->parameters[$normalizedName]) || array_key_exists($normalizedName, $this->parameters)) {
Chris@0:             $normalizedName = isset($this->normalizedParameterNames[$normalizedName]) ? $this->normalizedParameterNames[$normalizedName] : $normalizedName;
Chris@0:             if ((string) $name !== $normalizedName) {
Chris@0:                 @trigger_error(sprintf('Parameter names will be made case sensitive in Symfony 4.0. Using "%s" instead of "%s" is deprecated since Symfony 3.4.', $name, $normalizedName), E_USER_DEPRECATED);
Chris@0:             }
Chris@0:         } else {
Chris@0:             $normalizedName = $this->normalizedParameterNames[$normalizedName] = (string) $name;
Chris@0:         }
Chris@0: 
Chris@0:         return $normalizedName;
Chris@0:     }
Chris@0: 
Chris@0: EOF;
Chris@0:         } elseif ($dynamicPhp) {
Chris@0:             throw new RuntimeException('You cannot dump a not-frozen container with dynamic parameters.');
Chris@0:         }
Chris@0: 
Chris@0:         $code .= <<<EOF
Chris@0: 
Chris@0:     /*{$this->docStar}
Chris@0:      * Gets the default parameters.
Chris@0:      *
Chris@0:      * @return array An array of the default parameters
Chris@0:      */
Chris@0:     protected function getDefaultParameters()
Chris@0:     {
Chris@0:         return $parameters;
Chris@0:     }
Chris@0: 
Chris@0: EOF;
Chris@0: 
Chris@0:         return $code;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Exports parameters.
Chris@0:      *
Chris@0:      * @param array  $parameters
Chris@0:      * @param string $path
Chris@0:      * @param int    $indent
Chris@0:      *
Chris@0:      * @return string
Chris@0:      *
Chris@0:      * @throws InvalidArgumentException
Chris@0:      */
Chris@0:     private function exportParameters(array $parameters, $path = '', $indent = 12)
Chris@0:     {
Chris@0:         $php = array();
Chris@0:         foreach ($parameters as $key => $value) {
Chris@0:             if (is_array($value)) {
Chris@0:                 $value = $this->exportParameters($value, $path.'/'.$key, $indent + 4);
Chris@0:             } elseif ($value instanceof ArgumentInterface) {
Chris@0:                 throw new InvalidArgumentException(sprintf('You cannot dump a container with parameters that contain special arguments. "%s" found in "%s".', get_class($value), $path.'/'.$key));
Chris@0:             } elseif ($value instanceof Variable) {
Chris@0:                 throw new InvalidArgumentException(sprintf('You cannot dump a container with parameters that contain variable references. Variable "%s" found in "%s".', $value, $path.'/'.$key));
Chris@0:             } elseif ($value instanceof Definition) {
Chris@0:                 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));
Chris@0:             } elseif ($value instanceof Reference) {
Chris@0:                 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));
Chris@0:             } elseif ($value instanceof Expression) {
Chris@0:                 throw new InvalidArgumentException(sprintf('You cannot dump a container with parameters that contain expressions. Expression "%s" found in "%s".', $value, $path.'/'.$key));
Chris@0:             } else {
Chris@0:                 $value = $this->export($value);
Chris@0:             }
Chris@0: 
Chris@0:             $php[] = sprintf('%s%s => %s,', str_repeat(' ', $indent), $this->export($key), $value);
Chris@0:         }
Chris@0: 
Chris@0:         return sprintf("array(\n%s\n%s)", implode("\n", $php), str_repeat(' ', $indent - 4));
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Ends the class definition.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function endClass()
Chris@0:     {
Chris@0:         return <<<'EOF'
Chris@0: }
Chris@0: 
Chris@0: EOF;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Wraps the service conditionals.
Chris@0:      *
Chris@0:      * @param string $value
Chris@0:      * @param string $code
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function wrapServiceConditionals($value, $code)
Chris@0:     {
Chris@0:         if (!$condition = $this->getServiceConditionals($value)) {
Chris@0:             return $code;
Chris@0:         }
Chris@0: 
Chris@0:         // re-indent the wrapped code
Chris@0:         $code = implode("\n", array_map(function ($line) { return $line ? '    '.$line : $line; }, explode("\n", $code)));
Chris@0: 
Chris@0:         return sprintf("        if (%s) {\n%s        }\n", $condition, $code);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Get the conditions to execute for conditional services.
Chris@0:      *
Chris@0:      * @param string $value
Chris@0:      *
Chris@0:      * @return null|string
Chris@0:      */
Chris@0:     private function getServiceConditionals($value)
Chris@0:     {
Chris@0:         $conditions = array();
Chris@0:         foreach (ContainerBuilder::getInitializedConditionals($value) as $service) {
Chris@0:             if (!$this->container->hasDefinition($service)) {
Chris@0:                 return 'false';
Chris@0:             }
Chris@0:             $conditions[] = sprintf("isset(\$this->services['%s'])", $service);
Chris@0:         }
Chris@0:         foreach (ContainerBuilder::getServiceConditionals($value) as $service) {
Chris@0:             if ($this->container->hasDefinition($service) && !$this->container->getDefinition($service)->isPublic()) {
Chris@0:                 continue;
Chris@0:             }
Chris@0: 
Chris@0:             $conditions[] = sprintf("\$this->has('%s')", $service);
Chris@0:         }
Chris@0: 
Chris@0:         if (!$conditions) {
Chris@0:             return '';
Chris@0:         }
Chris@0: 
Chris@0:         return implode(' && ', $conditions);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Builds service calls from arguments.
Chris@0:      */
Chris@0:     private function getServiceCallsFromArguments(array $arguments, array &$calls, $isPreInstance, $callerId, array &$behavior = array(), $step = 1)
Chris@0:     {
Chris@0:         foreach ($arguments as $argument) {
Chris@0:             if (is_array($argument)) {
Chris@0:                 $this->getServiceCallsFromArguments($argument, $calls, $isPreInstance, $callerId, $behavior, $step);
Chris@0:             } elseif ($argument instanceof Reference) {
Chris@0:                 $id = $this->container->normalizeId($argument);
Chris@0: 
Chris@0:                 if (!isset($calls[$id])) {
Chris@0:                     $calls[$id] = (int) ($isPreInstance && isset($this->circularReferences[$callerId][$id]));
Chris@0:                 }
Chris@0:                 if (!isset($behavior[$id])) {
Chris@0:                     $behavior[$id] = $argument->getInvalidBehavior();
Chris@0:                 } else {
Chris@0:                     $behavior[$id] = min($behavior[$id], $argument->getInvalidBehavior());
Chris@0:                 }
Chris@0: 
Chris@0:                 $calls[$id] += $step;
Chris@0:             }
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     private function getDefinitionsFromArguments(array $arguments, \SplObjectStorage $definitions = null)
Chris@0:     {
Chris@0:         if (null === $definitions) {
Chris@0:             $definitions = new \SplObjectStorage();
Chris@0:         }
Chris@0: 
Chris@0:         foreach ($arguments as $argument) {
Chris@0:             if (is_array($argument)) {
Chris@0:                 $this->getDefinitionsFromArguments($argument, $definitions);
Chris@0:             } elseif (!$argument instanceof Definition) {
Chris@0:                 // no-op
Chris@0:             } elseif (isset($definitions[$argument])) {
Chris@0:                 $definitions[$argument] = 1 + $definitions[$argument];
Chris@0:             } else {
Chris@0:                 $definitions[$argument] = 1;
Chris@0:                 $this->getDefinitionsFromArguments($argument->getArguments(), $definitions);
Chris@0:                 $this->getDefinitionsFromArguments(array($argument->getFactory()), $definitions);
Chris@0:                 $this->getDefinitionsFromArguments($argument->getProperties(), $definitions);
Chris@0:                 $this->getDefinitionsFromArguments($argument->getMethodCalls(), $definitions);
Chris@0:                 $this->getDefinitionsFromArguments(array($argument->getConfigurator()), $definitions);
Chris@0:                 // move current definition last in the list
Chris@0:                 $nbOccurences = $definitions[$argument];
Chris@0:                 unset($definitions[$argument]);
Chris@0:                 $definitions[$argument] = $nbOccurences;
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return $definitions;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Checks if a service id has a reference.
Chris@0:      *
Chris@0:      * @param string $id
Chris@0:      * @param array  $arguments
Chris@0:      * @param bool   $deep
Chris@0:      * @param array  $visited
Chris@0:      *
Chris@0:      * @return bool
Chris@0:      */
Chris@0:     private function hasReference($id, array $arguments, $deep = false, array &$visited = array())
Chris@0:     {
Chris@0:         if (!isset($this->circularReferences[$id])) {
Chris@0:             return false;
Chris@0:         }
Chris@0: 
Chris@0:         foreach ($arguments as $argument) {
Chris@0:             if (is_array($argument)) {
Chris@0:                 if ($this->hasReference($id, $argument, $deep, $visited)) {
Chris@0:                     return true;
Chris@0:                 }
Chris@0: 
Chris@0:                 continue;
Chris@0:             } elseif ($argument instanceof Reference) {
Chris@0:                 $argumentId = $this->container->normalizeId($argument);
Chris@0:                 if ($id === $argumentId) {
Chris@0:                     return true;
Chris@0:                 }
Chris@0: 
Chris@0:                 if (!$deep || isset($visited[$argumentId]) || !isset($this->circularReferences[$id][$argumentId])) {
Chris@0:                     continue;
Chris@0:                 }
Chris@0: 
Chris@0:                 $visited[$argumentId] = true;
Chris@0: 
Chris@0:                 $service = $this->container->getDefinition($argumentId);
Chris@0:             } elseif ($argument instanceof Definition) {
Chris@0:                 $service = $argument;
Chris@0:             } else {
Chris@0:                 continue;
Chris@0:             }
Chris@0: 
Chris@0:             // if the proxy manager is enabled, disable searching for references in lazy services,
Chris@0:             // as these services will be instantiated lazily and don't have direct related references.
Chris@0:             if ($service->isLazy() && !$this->getProxyDumper() instanceof NullDumper) {
Chris@0:                 continue;
Chris@0:             }
Chris@0: 
Chris@0:             if ($this->hasReference($id, array($service->getArguments(), $service->getFactory(), $service->getProperties(), $service->getMethodCalls(), $service->getConfigurator()), $deep, $visited)) {
Chris@0:                 return true;
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return false;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Dumps values.
Chris@0:      *
Chris@0:      * @param mixed $value
Chris@0:      * @param bool  $interpolate
Chris@0:      *
Chris@0:      * @return string
Chris@0:      *
Chris@0:      * @throws RuntimeException
Chris@0:      */
Chris@0:     private function dumpValue($value, $interpolate = true)
Chris@0:     {
Chris@0:         if (is_array($value)) {
Chris@0:             if ($value && $interpolate && false !== $param = array_search($value, $this->container->getParameterBag()->all(), true)) {
Chris@0:                 return $this->dumpValue("%$param%");
Chris@0:             }
Chris@0:             $code = array();
Chris@0:             foreach ($value as $k => $v) {
Chris@0:                 $code[] = sprintf('%s => %s', $this->dumpValue($k, $interpolate), $this->dumpValue($v, $interpolate));
Chris@0:             }
Chris@0: 
Chris@0:             return sprintf('array(%s)', implode(', ', $code));
Chris@0:         } elseif ($value instanceof ArgumentInterface) {
Chris@0:             $scope = array($this->definitionVariables, $this->referenceVariables, $this->variableCount);
Chris@0:             $this->definitionVariables = $this->referenceVariables = null;
Chris@0: 
Chris@0:             try {
Chris@0:                 if ($value instanceof ServiceClosureArgument) {
Chris@0:                     $value = $value->getValues()[0];
Chris@0:                     $code = $this->dumpValue($value, $interpolate);
Chris@0: 
Chris@0:                     if ($value instanceof TypedReference) {
Chris@0:                         $code = sprintf('$f = function (\\%s $v%s) { return $v; }; return $f(%s);', $value->getType(), ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE !== $value->getInvalidBehavior() ? ' = null' : '', $code);
Chris@0:                     } else {
Chris@0:                         $code = sprintf('return %s;', $code);
Chris@0:                     }
Chris@0: 
Chris@0:                     return sprintf("function () {\n            %s\n        }", $code);
Chris@0:                 }
Chris@0: 
Chris@0:                 if ($value instanceof IteratorArgument) {
Chris@0:                     $operands = array(0);
Chris@0:                     $code = array();
Chris@0:                     $code[] = 'new RewindableGenerator(function () {';
Chris@0: 
Chris@0:                     if (!$values = $value->getValues()) {
Chris@0:                         $code[] = '            return new \EmptyIterator();';
Chris@0:                     } else {
Chris@0:                         $countCode = array();
Chris@0:                         $countCode[] = 'function () {';
Chris@0: 
Chris@0:                         foreach ($values as $k => $v) {
Chris@0:                             ($c = $this->getServiceConditionals($v)) ? $operands[] = "(int) ($c)" : ++$operands[0];
Chris@0:                             $v = $this->wrapServiceConditionals($v, sprintf("        yield %s => %s;\n", $this->dumpValue($k, $interpolate), $this->dumpValue($v, $interpolate)));
Chris@0:                             foreach (explode("\n", $v) as $v) {
Chris@0:                                 if ($v) {
Chris@0:                                     $code[] = '    '.$v;
Chris@0:                                 }
Chris@0:                             }
Chris@0:                         }
Chris@0: 
Chris@0:                         $countCode[] = sprintf('            return %s;', implode(' + ', $operands));
Chris@0:                         $countCode[] = '        }';
Chris@0:                     }
Chris@0: 
Chris@0:                     $code[] = sprintf('        }, %s)', count($operands) > 1 ? implode("\n", $countCode) : $operands[0]);
Chris@0: 
Chris@0:                     return implode("\n", $code);
Chris@0:                 }
Chris@0:             } finally {
Chris@0:                 list($this->definitionVariables, $this->referenceVariables, $this->variableCount) = $scope;
Chris@0:             }
Chris@0:         } elseif ($value instanceof Definition) {
Chris@0:             if (null !== $this->definitionVariables && $this->definitionVariables->contains($value)) {
Chris@0:                 return $this->dumpValue($this->definitionVariables[$value], $interpolate);
Chris@0:             }
Chris@0:             if ($value->getMethodCalls()) {
Chris@0:                 throw new RuntimeException('Cannot dump definitions which have method calls.');
Chris@0:             }
Chris@0:             if ($value->getProperties()) {
Chris@0:                 throw new RuntimeException('Cannot dump definitions which have properties.');
Chris@0:             }
Chris@0:             if (null !== $value->getConfigurator()) {
Chris@0:                 throw new RuntimeException('Cannot dump definitions which have a configurator.');
Chris@0:             }
Chris@0: 
Chris@0:             $arguments = array();
Chris@0:             foreach ($value->getArguments() as $argument) {
Chris@0:                 $arguments[] = $this->dumpValue($argument);
Chris@0:             }
Chris@0: 
Chris@0:             if (null !== $value->getFactory()) {
Chris@0:                 $factory = $value->getFactory();
Chris@0: 
Chris@0:                 if (is_string($factory)) {
Chris@0:                     return sprintf('%s(%s)', $this->dumpLiteralClass($this->dumpValue($factory)), implode(', ', $arguments));
Chris@0:                 }
Chris@0: 
Chris@0:                 if (is_array($factory)) {
Chris@0:                     if (!preg_match('/^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*$/', $factory[1])) {
Chris@0:                         throw new RuntimeException(sprintf('Cannot dump definition because of invalid factory method (%s)', $factory[1] ?: 'n/a'));
Chris@0:                     }
Chris@0: 
Chris@0:                     $class = $this->dumpValue($factory[0]);
Chris@0:                     if (is_string($factory[0])) {
Chris@0:                         return sprintf('%s::%s(%s)', $this->dumpLiteralClass($class), $factory[1], implode(', ', $arguments));
Chris@0:                     }
Chris@0: 
Chris@0:                     if ($factory[0] instanceof Definition) {
Chris@0:                         if (0 === strpos($class, 'new ')) {
Chris@0:                             return sprintf('(%s)->%s(%s)', $class, $factory[1], implode(', ', $arguments));
Chris@0:                         }
Chris@0: 
Chris@0:                         return sprintf("\\call_user_func(array(%s, '%s')%s)", $class, $factory[1], count($arguments) > 0 ? ', '.implode(', ', $arguments) : '');
Chris@0:                     }
Chris@0: 
Chris@0:                     if ($factory[0] instanceof Reference) {
Chris@0:                         return sprintf('%s->%s(%s)', $class, $factory[1], implode(', ', $arguments));
Chris@0:                     }
Chris@0:                 }
Chris@0: 
Chris@0:                 throw new RuntimeException('Cannot dump definition because of invalid factory');
Chris@0:             }
Chris@0: 
Chris@0:             $class = $value->getClass();
Chris@0:             if (null === $class) {
Chris@0:                 throw new RuntimeException('Cannot dump definitions which have no class nor factory.');
Chris@0:             }
Chris@0: 
Chris@0:             return sprintf('new %s(%s)', $this->dumpLiteralClass($this->dumpValue($class)), implode(', ', $arguments));
Chris@0:         } elseif ($value instanceof Variable) {
Chris@0:             return '$'.$value;
Chris@0:         } elseif ($value instanceof Reference) {
Chris@0:             $id = $this->container->normalizeId($value);
Chris@0:             if (null !== $this->referenceVariables && isset($this->referenceVariables[$id])) {
Chris@0:                 return $this->dumpValue($this->referenceVariables[$id], $interpolate);
Chris@0:             }
Chris@0: 
Chris@0:             return $this->getServiceCall($id, $value);
Chris@0:         } elseif ($value instanceof Expression) {
Chris@0:             return $this->getExpressionLanguage()->compile((string) $value, array('this' => 'container'));
Chris@0:         } elseif ($value instanceof Parameter) {
Chris@0:             return $this->dumpParameter($value);
Chris@0:         } elseif (true === $interpolate && is_string($value)) {
Chris@0:             if (preg_match('/^%([^%]+)%$/', $value, $match)) {
Chris@0:                 // we do this to deal with non string values (Boolean, integer, ...)
Chris@0:                 // the preg_replace_callback converts them to strings
Chris@0:                 return $this->dumpParameter($match[1]);
Chris@0:             } else {
Chris@0:                 $replaceParameters = function ($match) {
Chris@0:                     return "'.".$this->dumpParameter($match[2]).".'";
Chris@0:                 };
Chris@0: 
Chris@0:                 $code = str_replace('%%', '%', preg_replace_callback('/(?<!%)(%)([^%]+)\1/', $replaceParameters, $this->export($value)));
Chris@0: 
Chris@0:                 return $code;
Chris@0:             }
Chris@0:         } elseif (is_object($value) || is_resource($value)) {
Chris@0:             throw new RuntimeException('Unable to dump a service container if a parameter is an object or a resource.');
Chris@0:         }
Chris@0: 
Chris@0:         return $this->export($value);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Dumps a string to a literal (aka PHP Code) class value.
Chris@0:      *
Chris@0:      * @param string $class
Chris@0:      *
Chris@0:      * @return string
Chris@0:      *
Chris@0:      * @throws RuntimeException
Chris@0:      */
Chris@0:     private function dumpLiteralClass($class)
Chris@0:     {
Chris@0:         if (false !== strpos($class, '$')) {
Chris@0:             return sprintf('${($_ = %s) && false ?: "_"}', $class);
Chris@0:         }
Chris@0:         if (0 !== strpos($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)) {
Chris@0:             throw new RuntimeException(sprintf('Cannot dump definition because of invalid class name (%s)', $class ?: 'n/a'));
Chris@0:         }
Chris@0: 
Chris@0:         $class = substr(str_replace('\\\\', '\\', $class), 1, -1);
Chris@0: 
Chris@0:         return 0 === strpos($class, '\\') ? $class : '\\'.$class;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Dumps a parameter.
Chris@0:      *
Chris@0:      * @param string $name
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function dumpParameter($name)
Chris@0:     {
Chris@0:         if ($this->container->isCompiled() && $this->container->hasParameter($name)) {
Chris@0:             $value = $this->container->getParameter($name);
Chris@0:             $dumpedValue = $this->dumpValue($value, false);
Chris@0: 
Chris@0:             if (!$value || !is_array($value)) {
Chris@0:                 return $dumpedValue;
Chris@0:             }
Chris@0: 
Chris@0:             if (!preg_match("/\\\$this->(?:getEnv\('(?:\w++:)*+\w++'\)|targetDirs\[\d++\])/", $dumpedValue)) {
Chris@0:                 return sprintf("\$this->parameters['%s']", $name);
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return sprintf("\$this->getParameter('%s')", $name);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Gets a service call.
Chris@0:      *
Chris@0:      * @param string    $id
Chris@0:      * @param Reference $reference
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function getServiceCall($id, Reference $reference = null)
Chris@0:     {
Chris@0:         while ($this->container->hasAlias($id)) {
Chris@0:             $id = (string) $this->container->getAlias($id);
Chris@0:         }
Chris@0:         $id = $this->container->normalizeId($id);
Chris@0: 
Chris@0:         if ('service_container' === $id) {
Chris@0:             return '$this';
Chris@0:         }
Chris@0: 
Chris@0:         if ($this->container->hasDefinition($id) && ($definition = $this->container->getDefinition($id)) && !$definition->isSynthetic()) {
Chris@0:             if (null !== $reference && ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE === $reference->getInvalidBehavior()) {
Chris@0:                 $code = 'null';
Chris@0:                 if (!$definition->isShared()) {
Chris@0:                     return $code;
Chris@0:                 }
Chris@0:             } elseif ($this->isTrivialInstance($definition)) {
Chris@0:                 $code = substr($this->addNewInstance($definition, '', '', $id), 8, -2);
Chris@0:                 if ($definition->isShared()) {
Chris@0:                     $code = sprintf('$this->services[\'%s\'] = %s', $id, $code);
Chris@0:                 }
Chris@0:             } elseif ($this->asFiles && $definition->isShared() && !$this->isHotPath($definition)) {
Chris@0:                 $code = sprintf("\$this->load('%s.php')", $this->generateMethodName($id));
Chris@0:             } else {
Chris@0:                 $code = sprintf('$this->%s()', $this->generateMethodName($id));
Chris@0:             }
Chris@0:         } elseif (null !== $reference && ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE === $reference->getInvalidBehavior()) {
Chris@0:             return 'null';
Chris@0:         } elseif (null !== $reference && ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE !== $reference->getInvalidBehavior()) {
Chris@0:             $code = sprintf('$this->get(\'%s\', /* ContainerInterface::NULL_ON_INVALID_REFERENCE */ %d)', $id, ContainerInterface::NULL_ON_INVALID_REFERENCE);
Chris@0:         } else {
Chris@0:             $code = sprintf('$this->get(\'%s\')', $id);
Chris@0:         }
Chris@0: 
Chris@0:         // The following is PHP 5.5 syntax for what could be written as "(\$this->services['$id'] ?? $code)" on PHP>=7.0
Chris@0: 
Chris@0:         return "\${(\$_ = isset(\$this->services['$id']) ? \$this->services['$id'] : $code) && false ?: '_'}";
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Initializes the method names map to avoid conflicts with the Container methods.
Chris@0:      *
Chris@0:      * @param string $class the container base class
Chris@0:      */
Chris@0:     private function initializeMethodNamesMap($class)
Chris@0:     {
Chris@0:         $this->serviceIdToMethodNameMap = array();
Chris@0:         $this->usedMethodNames = array();
Chris@0: 
Chris@0:         if ($reflectionClass = $this->container->getReflectionClass($class)) {
Chris@0:             foreach ($reflectionClass->getMethods() as $method) {
Chris@0:                 $this->usedMethodNames[strtolower($method->getName())] = true;
Chris@0:             }
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Convert a service id to a valid PHP method name.
Chris@0:      *
Chris@0:      * @param string $id
Chris@0:      *
Chris@0:      * @return string
Chris@0:      *
Chris@0:      * @throws InvalidArgumentException
Chris@0:      */
Chris@0:     private function generateMethodName($id)
Chris@0:     {
Chris@0:         if (isset($this->serviceIdToMethodNameMap[$id])) {
Chris@0:             return $this->serviceIdToMethodNameMap[$id];
Chris@0:         }
Chris@0: 
Chris@0:         $i = strrpos($id, '\\');
Chris@0:         $name = Container::camelize(false !== $i && isset($id[1 + $i]) ? substr($id, 1 + $i) : $id);
Chris@0:         $name = preg_replace('/[^a-zA-Z0-9_\x7f-\xff]/', '', $name);
Chris@0:         $methodName = 'get'.$name.'Service';
Chris@0:         $suffix = 1;
Chris@0: 
Chris@0:         while (isset($this->usedMethodNames[strtolower($methodName)])) {
Chris@0:             ++$suffix;
Chris@0:             $methodName = 'get'.$name.$suffix.'Service';
Chris@0:         }
Chris@0: 
Chris@0:         $this->serviceIdToMethodNameMap[$id] = $methodName;
Chris@0:         $this->usedMethodNames[strtolower($methodName)] = true;
Chris@0: 
Chris@0:         return $methodName;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Returns the next name to use.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function getNextVariableName()
Chris@0:     {
Chris@0:         $firstChars = self::FIRST_CHARS;
Chris@0:         $firstCharsLength = strlen($firstChars);
Chris@0:         $nonFirstChars = self::NON_FIRST_CHARS;
Chris@0:         $nonFirstCharsLength = strlen($nonFirstChars);
Chris@0: 
Chris@0:         while (true) {
Chris@0:             $name = '';
Chris@0:             $i = $this->variableCount;
Chris@0: 
Chris@0:             if ('' === $name) {
Chris@0:                 $name .= $firstChars[$i % $firstCharsLength];
Chris@0:                 $i = (int) ($i / $firstCharsLength);
Chris@0:             }
Chris@0: 
Chris@0:             while ($i > 0) {
Chris@0:                 --$i;
Chris@0:                 $name .= $nonFirstChars[$i % $nonFirstCharsLength];
Chris@0:                 $i = (int) ($i / $nonFirstCharsLength);
Chris@0:             }
Chris@0: 
Chris@0:             ++$this->variableCount;
Chris@0: 
Chris@0:             // check that the name is not reserved
Chris@0:             if (in_array($name, $this->reservedVariables, true)) {
Chris@0:                 continue;
Chris@0:             }
Chris@0: 
Chris@0:             return $name;
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     private function getExpressionLanguage()
Chris@0:     {
Chris@0:         if (null === $this->expressionLanguage) {
Chris@0:             if (!class_exists('Symfony\Component\ExpressionLanguage\ExpressionLanguage')) {
Chris@0:                 throw new RuntimeException('Unable to use expressions as the Symfony ExpressionLanguage component is not installed.');
Chris@0:             }
Chris@0:             $providers = $this->container->getExpressionLanguageProviders();
Chris@0:             $this->expressionLanguage = new ExpressionLanguage(null, $providers, function ($arg) {
Chris@0:                 $id = '""' === substr_replace($arg, '', 1, -1) ? stripcslashes(substr($arg, 1, -1)) : null;
Chris@0: 
Chris@0:                 if (null !== $id && ($this->container->hasAlias($id) || $this->container->hasDefinition($id))) {
Chris@0:                     return $this->getServiceCall($id);
Chris@0:                 }
Chris@0: 
Chris@0:                 return sprintf('$this->get(%s)', $arg);
Chris@0:             });
Chris@0: 
Chris@0:             if ($this->container->isTrackingResources()) {
Chris@0:                 foreach ($providers as $provider) {
Chris@0:                     $this->container->addObjectResource($provider);
Chris@0:                 }
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return $this->expressionLanguage;
Chris@0:     }
Chris@0: 
Chris@0:     private function isHotPath(Definition $definition)
Chris@0:     {
Chris@0:         return $this->hotPathTag && $definition->hasTag($this->hotPathTag) && !$definition->isDeprecated();
Chris@0:     }
Chris@0: 
Chris@0:     private function export($value)
Chris@0:     {
Chris@0:         if (null !== $this->targetDirRegex && is_string($value) && preg_match($this->targetDirRegex, $value, $matches, PREG_OFFSET_CAPTURE)) {
Chris@0:             $prefix = $matches[0][1] ? $this->doExport(substr($value, 0, $matches[0][1]), true).'.' : '';
Chris@0:             $suffix = $matches[0][1] + strlen($matches[0][0]);
Chris@0:             $suffix = isset($value[$suffix]) ? '.'.$this->doExport(substr($value, $suffix), true) : '';
Chris@0:             $dirname = $this->asFiles ? '$this->containerDir' : '__DIR__';
Chris@0:             $offset = 1 + $this->targetDirMaxMatches - count($matches);
Chris@0: 
Chris@0:             if ($this->asFiles || 0 < $offset) {
Chris@0:                 $dirname = sprintf('$this->targetDirs[%d]', $offset);
Chris@0:             }
Chris@0: 
Chris@0:             if ($prefix || $suffix) {
Chris@0:                 return sprintf('(%s%s%s)', $prefix, $dirname, $suffix);
Chris@0:             }
Chris@0: 
Chris@0:             return $dirname;
Chris@0:         }
Chris@0: 
Chris@0:         return $this->doExport($value, true);
Chris@0:     }
Chris@0: 
Chris@0:     private function doExport($value, $resolveEnv = false)
Chris@0:     {
Chris@0:         if (is_string($value) && false !== strpos($value, "\n")) {
Chris@0:             $cleanParts = explode("\n", $value);
Chris@0:             $cleanParts = array_map(function ($part) { return var_export($part, true); }, $cleanParts);
Chris@0:             $export = implode('."\n".', $cleanParts);
Chris@0:         } else {
Chris@0:             $export = var_export($value, true);
Chris@0:         }
Chris@0: 
Chris@0:         if ($resolveEnv && "'" === $export[0] && $export !== $resolvedExport = $this->container->resolveEnvPlaceholders($export, "'.\$this->getEnv('string:%s').'")) {
Chris@0:             $export = $resolvedExport;
Chris@0:             if (".''" === substr($export, -3)) {
Chris@0:                 $export = substr($export, 0, -3);
Chris@0:                 if ("'" === $export[1]) {
Chris@0:                     $export = substr_replace($export, '', 18, 7);
Chris@0:                 }
Chris@0:             }
Chris@0:             if ("'" === $export[1]) {
Chris@0:                 $export = substr($export, 3);
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return $export;
Chris@0:     }
Chris@0: }