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PhpDumper.php
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PhpDumper.php
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\DependencyInjection\Dumper;
use Symfony\Component\DependencyInjection\Argument\ArgumentInterface;
use Symfony\Component\DependencyInjection\Argument\IteratorArgument;
use Symfony\Component\DependencyInjection\Argument\ServiceClosureArgument;
use Symfony\Component\DependencyInjection\Variable;
use Symfony\Component\DependencyInjection\Definition;
use Symfony\Component\DependencyInjection\Compiler\AnalyzeServiceReferencesPass;
use Symfony\Component\DependencyInjection\Compiler\ServiceReferenceGraphNode;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Container;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\DependencyInjection\Reference;
use Symfony\Component\DependencyInjection\TypedReference;
use Symfony\Component\DependencyInjection\Parameter;
use Symfony\Component\DependencyInjection\Exception\EnvParameterException;
use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
use Symfony\Component\DependencyInjection\Exception\LogicException;
use Symfony\Component\DependencyInjection\Exception\RuntimeException;
use Symfony\Component\DependencyInjection\Exception\ServiceCircularReferenceException;
use Symfony\Component\DependencyInjection\LazyProxy\PhpDumper\DumperInterface as ProxyDumper;
use Symfony\Component\DependencyInjection\LazyProxy\PhpDumper\NullDumper;
use Symfony\Component\DependencyInjection\ExpressionLanguage;
use Symfony\Component\ExpressionLanguage\Expression;
use Symfony\Component\HttpKernel\Kernel;
/**
* PhpDumper dumps a service container as a PHP class.
*
* @author Fabien Potencier <fabien@symfony.com>
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
*/
class PhpDumper extends Dumper
{
/**
* Characters that might appear in the generated variable name as first character.
*/
const FIRST_CHARS = 'abcdefghijklmnopqrstuvwxyz';
/**
* Characters that might appear in the generated variable name as any but the first character.
*/
const NON_FIRST_CHARS = 'abcdefghijklmnopqrstuvwxyz0123456789_';
private $definitionVariables;
private $referenceVariables;
private $variableCount;
private $reservedVariables = array('instance', 'class');
private $expressionLanguage;
private $targetDirRegex;
private $targetDirMaxMatches;
private $docStar;
private $serviceIdToMethodNameMap;
private $usedMethodNames;
private $namespace;
private $asFiles;
private $hotPathTag;
private $inlineRequires;
private $inlinedRequires = array();
private $circularReferences = array();
private $singleUsePrivateIds = array();
private $addThrow = false;
/**
* @var ProxyDumper
*/
private $proxyDumper;
/**
* {@inheritdoc}
*/
public function __construct(ContainerBuilder $container)
{
if (!$container->isCompiled()) {
throw new LogicException('Cannot dump an uncompiled container.');
}
parent::__construct($container);
}
/**
* Sets the dumper to be used when dumping proxies in the generated container.
*/
public function setProxyDumper(ProxyDumper $proxyDumper)
{
$this->proxyDumper = $proxyDumper;
}
/**
* Dumps the service container as a PHP class.
*
* Available options:
*
* * class: The class name
* * base_class: The base class name
* * namespace: The class namespace
* * as_files: To split the container in several files
*
* @return string|array A PHP class representing the service container or an array of PHP files if the "as_files" option is set
*
* @throws EnvParameterException When an env var exists but has not been dumped
*/
public function dump(array $options = array())
{
$this->targetDirRegex = null;
$this->inlinedRequires = array();
$options = array_merge(array(
'class' => 'ProjectServiceContainer',
'base_class' => 'Container',
'namespace' => '',
'as_files' => false,
'debug' => true,
'hot_path_tag' => 'container.hot_path',
'inline_class_loader_parameter' => 'container.dumper.inline_class_loader',
'build_time' => time(),
), $options);
$this->addThrow = false;
$this->namespace = $options['namespace'];
$this->asFiles = $options['as_files'];
$this->hotPathTag = $options['hot_path_tag'];
$this->inlineRequires = $options['inline_class_loader_parameter'] && $this->container->hasParameter($options['inline_class_loader_parameter']) && $this->container->getParameter($options['inline_class_loader_parameter']);
if (0 !== strpos($baseClass = $options['base_class'], '\\') && 'Container' !== $baseClass) {
$baseClass = sprintf('%s\%s', $options['namespace'] ? '\\'.$options['namespace'] : '', $baseClass);
$baseClassWithNamespace = $baseClass;
} elseif ('Container' === $baseClass) {
$baseClassWithNamespace = Container::class;
} else {
$baseClassWithNamespace = $baseClass;
}
$this->initializeMethodNamesMap('Container' === $baseClass ? Container::class : $baseClass);
(new AnalyzeServiceReferencesPass())->process($this->container);
$this->circularReferences = array();
$this->singleUsePrivateIds = array();
$checkedNodes = array();
foreach ($this->container->getCompiler()->getServiceReferenceGraph()->getNodes() as $id => $node) {
$currentPath = array($id => $id);
$this->analyzeCircularReferences($node->getOutEdges(), $checkedNodes, $currentPath);
if ($this->isSingleUsePrivateNode($node)) {
$this->singleUsePrivateIds[$id] = $id;
}
}
$this->container->getCompiler()->getServiceReferenceGraph()->clear();
$this->docStar = $options['debug'] ? '*' : '';
if (!empty($options['file']) && is_dir($dir = dirname($options['file']))) {
// Build a regexp where the first root dirs are mandatory,
// but every other sub-dir is optional up to the full path in $dir
// Mandate at least 2 root dirs and not more that 5 optional dirs.
$dir = explode(DIRECTORY_SEPARATOR, realpath($dir));
$i = count($dir);
if (3 <= $i) {
$regex = '';
$lastOptionalDir = $i > 8 ? $i - 5 : 3;
$this->targetDirMaxMatches = $i - $lastOptionalDir;
while (--$i >= $lastOptionalDir) {
$regex = sprintf('(%s%s)?', preg_quote(DIRECTORY_SEPARATOR.$dir[$i], '#'), $regex);
}
do {
$regex = preg_quote(DIRECTORY_SEPARATOR.$dir[$i], '#').$regex;
} while (0 < --$i);
$this->targetDirRegex = '#'.preg_quote($dir[0], '#').$regex.'#';
}
}
$code =
$this->startClass($options['class'], $baseClass, $baseClassWithNamespace).
$this->addServices().
$this->addDefaultParametersMethod()
;
if ($this->asFiles) {
$fileStart = <<<EOF
<?php
use Symfony\Component\DependencyInjection\Argument\RewindableGenerator;
use Symfony\Component\DependencyInjection\Exception\RuntimeException;
// This file has been auto-generated by the Symfony Dependency Injection Component for internal use.
EOF;
$files = array();
$ids = $this->container->getRemovedIds();
foreach ($this->container->getDefinitions() as $id => $definition) {
if (!$definition->isPublic()) {
$ids[$id] = true;
}
}
if ($ids = array_keys($ids)) {
sort($ids);
$c = "<?php\n\nreturn array(\n";
foreach ($ids as $id) {
$c .= ' '.$this->doExport($id)." => true,\n";
}
$files['removed-ids.php'] = $c .= ");\n";
}
foreach ($this->generateServiceFiles() as $file => $c) {
$files[$file] = $fileStart.$c;
}
foreach ($this->generateProxyClasses() as $file => $c) {
$files[$file] = "<?php\n".$c;
}
$files[$options['class'].'.php'] = $code.$this->endClass();
$hash = ucfirst(strtr(ContainerBuilder::hash($files), '._', 'xx'));
$code = array();
foreach ($files as $file => $c) {
$code["Container{$hash}/{$file}"] = $c;
}
array_pop($code);
$code["Container{$hash}/{$options['class']}.php"] = substr_replace($files[$options['class'].'.php'], "<?php\n\nnamespace Container{$hash};\n", 0, 6);
$namespaceLine = $this->namespace ? "\nnamespace {$this->namespace};\n" : '';
$time = $options['build_time'];
$id = hash('crc32', $hash.$time);
$code[$options['class'].'.php'] = <<<EOF
<?php
{$namespaceLine}
// This file has been auto-generated by the Symfony Dependency Injection Component for internal use.
if (\\class_exists(\\Container{$hash}\\{$options['class']}::class, false)) {
// no-op
} elseif (!include __DIR__.'/Container{$hash}/{$options['class']}.php') {
touch(__DIR__.'/Container{$hash}.legacy');
return;
}
if (!\\class_exists({$options['class']}::class, false)) {
\\class_alias(\\Container{$hash}\\{$options['class']}::class, {$options['class']}::class, false);
}
return new \\Container{$hash}\\{$options['class']}(array(
'container.build_hash' => '$hash',
'container.build_id' => '$id',
'container.build_time' => $time,
), __DIR__.\\DIRECTORY_SEPARATOR.'Container{$hash}');
EOF;
} else {
$code .= $this->endClass();
foreach ($this->generateProxyClasses() as $c) {
$code .= $c;
}
}
$this->targetDirRegex = null;
$this->inlinedRequires = array();
$this->circularReferences = array();
$unusedEnvs = array();
foreach ($this->container->getEnvCounters() as $env => $use) {
if (!$use) {
$unusedEnvs[] = $env;
}
}
if ($unusedEnvs) {
throw new EnvParameterException($unusedEnvs, null, 'Environment variables "%s" are never used. Please, check your container\'s configuration.');
}
return $code;
}
/**
* Retrieves the currently set proxy dumper or instantiates one.
*/
private function getProxyDumper(): ProxyDumper
{
if (!$this->proxyDumper) {
$this->proxyDumper = new NullDumper();
}
return $this->proxyDumper;
}
private function addServiceLocalTempVariables(string $cId, Definition $definition, \SplObjectStorage $inlinedDefinitions, \SplObjectStorage $allInlinedDefinitions): string
{
$allCalls = $calls = $behavior = array();
foreach ($allInlinedDefinitions as $def) {
$arguments = array($def->getArguments(), $def->getFactory(), $def->getProperties(), $def->getMethodCalls(), $def->getConfigurator());
$this->getServiceCallsFromArguments($arguments, $allCalls, false, $cId, $behavior, $allInlinedDefinitions[$def]);
}
$isPreInstance = isset($inlinedDefinitions[$definition]) && isset($this->circularReferences[$cId]) && !$this->getProxyDumper()->isProxyCandidate($definition) && $definition->isShared();
foreach ($inlinedDefinitions as $def) {
$this->getServiceCallsFromArguments(array($def->getArguments(), $def->getFactory()), $calls, $isPreInstance, $cId);
if ($def !== $definition) {
$arguments = array($def->getProperties(), $def->getMethodCalls(), $def->getConfigurator());
$this->getServiceCallsFromArguments($arguments, $calls, $isPreInstance && !$this->hasReference($cId, $arguments, true), $cId);
}
}
if (!isset($inlinedDefinitions[$definition])) {
$arguments = array($definition->getProperties(), $definition->getMethodCalls(), $definition->getConfigurator());
$this->getServiceCallsFromArguments($arguments, $calls, false, $cId);
}
$code = '';
foreach ($calls as $id => $callCount) {
if ('service_container' === $id || $id === $cId || isset($this->referenceVariables[$id])) {
continue;
}
if ($callCount <= 1 && $allCalls[$id] <= 1) {
continue;
}
$name = $this->getNextVariableName();
$this->referenceVariables[$id] = new Variable($name);
$reference = ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE >= $behavior[$id] ? new Reference($id, $behavior[$id]) : null;
$code .= sprintf(" \$%s = %s;\n", $name, $this->getServiceCall($id, $reference));
}
if ('' !== $code) {
if ($isPreInstance) {
$code .= sprintf(<<<'EOTXT'
if (isset($this->%s['%s'])) {
return $this->%1$s['%2$s'];
}
EOTXT
, $definition->isPublic() ? 'services' : 'privates', $cId);
}
$code .= "\n";
}
return $code;
}
private function analyzeCircularReferences(array $edges, &$checkedNodes, &$currentPath)
{
foreach ($edges as $edge) {
$node = $edge->getDestNode();
$id = $node->getId();
if ($node->getValue() && ($edge->isLazy() || $edge->isWeak())) {
// no-op
} elseif (isset($currentPath[$id])) {
foreach (array_reverse($currentPath) as $parentId) {
$this->circularReferences[$parentId][$id] = $id;
$id = $parentId;
}
} elseif (!isset($checkedNodes[$id])) {
$checkedNodes[$id] = true;
$currentPath[$id] = $id;
$this->analyzeCircularReferences($node->getOutEdges(), $checkedNodes, $currentPath);
unset($currentPath[$id]);
}
}
}
private function collectLineage($class, array &$lineage)
{
if (isset($lineage[$class])) {
return;
}
if (!$r = $this->container->getReflectionClass($class, false)) {
return;
}
if ($this->container instanceof $class) {
return;
}
$file = $r->getFileName();
if (!$file || $this->doExport($file) === $exportedFile = $this->export($file)) {
return;
}
if ($parent = $r->getParentClass()) {
$this->collectLineage($parent->name, $lineage);
}
foreach ($r->getInterfaces() as $parent) {
$this->collectLineage($parent->name, $lineage);
}
foreach ($r->getTraits() as $parent) {
$this->collectLineage($parent->name, $lineage);
}
$lineage[$class] = substr($exportedFile, 1, -1);
}
private function generateProxyClasses()
{
$alreadyGenerated = array();
$definitions = $this->container->getDefinitions();
$strip = '' === $this->docStar && method_exists('Symfony\Component\HttpKernel\Kernel', 'stripComments');
$proxyDumper = $this->getProxyDumper();
ksort($definitions);
foreach ($definitions as $definition) {
if (!$proxyDumper->isProxyCandidate($definition)) {
continue;
}
if (isset($alreadyGenerated[$class = $definition->getClass()])) {
continue;
}
$alreadyGenerated[$class] = true;
// register class' reflector for resource tracking
$this->container->getReflectionClass($class);
$proxyCode = "\n".$proxyDumper->getProxyCode($definition);
if ($strip) {
$proxyCode = "<?php\n".$proxyCode;
$proxyCode = substr(Kernel::stripComments($proxyCode), 5);
}
yield sprintf('%s.php', explode(' ', $proxyCode, 3)[1]) => $proxyCode;
}
}
private function addServiceInclude(string $cId, Definition $definition, \SplObjectStorage $inlinedDefinitions): string
{
$code = '';
if ($this->inlineRequires && !$this->isHotPath($definition)) {
$lineage = $calls = $behavior = array();
foreach ($inlinedDefinitions as $def) {
if (!$def->isDeprecated() && is_string($class = is_array($factory = $def->getFactory()) && is_string($factory[0]) ? $factory[0] : $def->getClass())) {
$this->collectLineage($class, $lineage);
}
$arguments = array($def->getArguments(), $def->getFactory(), $def->getProperties(), $def->getMethodCalls(), $def->getConfigurator());
$this->getServiceCallsFromArguments($arguments, $calls, false, $cId, $behavior, $inlinedDefinitions[$def]);
}
foreach ($calls as $id => $callCount) {
if ('service_container' !== $id && $id !== $cId
&& ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE !== $behavior[$id]
&& $this->container->has($id)
&& $this->isTrivialInstance($def = $this->container->findDefinition($id))
&& is_string($class = is_array($factory = $def->getFactory()) && is_string($factory[0]) ? $factory[0] : $def->getClass())
) {
$this->collectLineage($class, $lineage);
}
}
foreach (array_diff_key(array_flip($lineage), $this->inlinedRequires) as $file => $class) {
$code .= sprintf(" include_once %s;\n", $file);
}
}
foreach ($inlinedDefinitions as $def) {
if ($file = $def->getFile()) {
$code .= sprintf(" include_once %s;\n", $this->dumpValue($file));
}
}
if ('' !== $code) {
$code .= "\n";
}
return $code;
}
/**
* Generates the inline definition of a service.
*
* @throws RuntimeException When the factory definition is incomplete
* @throws ServiceCircularReferenceException When a circular reference is detected
*/
private function addServiceInlinedDefinitions(string $id, Definition $definition, \SplObjectStorage $inlinedDefinitions, bool &$isSimpleInstance): string
{
$code = '';
foreach ($inlinedDefinitions as $def) {
if ($definition === $def) {
continue;
}
if ($inlinedDefinitions[$def] <= 1 && !$def->getMethodCalls() && !$def->getProperties() && !$def->getConfigurator() && false === strpos($this->dumpValue($def->getClass()), '$')) {
continue;
}
if (isset($this->definitionVariables[$def])) {
$name = $this->definitionVariables[$def];
} else {
$name = $this->getNextVariableName();
$this->definitionVariables[$def] = new Variable($name);
}
// a construct like:
// $a = new ServiceA(ServiceB $b); $b = new ServiceB(ServiceA $a);
// this is an indication for a wrong implementation, you can circumvent this problem
// by setting up your service structure like this:
// $b = new ServiceB();
// $a = new ServiceA(ServiceB $b);
// $b->setServiceA(ServiceA $a);
if (isset($inlinedDefinition[$definition]) && $this->hasReference($id, array($def->getArguments(), $def->getFactory()))) {
throw new ServiceCircularReferenceException($id, array($id));
}
$code .= $this->addNewInstance($def, '$'.$name, ' = ', $id);
if (!$this->hasReference($id, array($def->getProperties(), $def->getMethodCalls(), $def->getConfigurator()), true)) {
$code .= $this->addServiceProperties($def, $name);
$code .= $this->addServiceMethodCalls($def, $name);
$code .= $this->addServiceConfigurator($def, $name);
} else {
$isSimpleInstance = false;
}
$code .= "\n";
}
return $code;
}
/**
* @throws InvalidArgumentException
* @throws RuntimeException
*/
private function addServiceInstance(string $id, Definition $definition, string $isSimpleInstance): string
{
$class = $this->dumpValue($definition->getClass());
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)) {
throw new InvalidArgumentException(sprintf('"%s" is not a valid class name for the "%s" service.', $class, $id));
}
$isProxyCandidate = $this->getProxyDumper()->isProxyCandidate($definition);
$instantiation = '';
if (!$isProxyCandidate && $definition->isShared() && !isset($this->singleUsePrivateIds[$id])) {
$instantiation = sprintf('$this->%s[\'%s\'] = %s', $this->container->getDefinition($id)->isPublic() ? 'services' : 'privates', $id, $isSimpleInstance ? '' : '$instance');
} elseif (!$isSimpleInstance) {
$instantiation = '$instance';
}
$return = '';
if ($isSimpleInstance) {
$return = 'return ';
} else {
$instantiation .= ' = ';
}
$code = $this->addNewInstance($definition, $return, $instantiation, $id);
if (!$isSimpleInstance) {
$code .= "\n";
}
return $code;
}
private function isTrivialInstance(Definition $definition): bool
{
if ($definition->getErrors()) {
return true;
}
if ($definition->isSynthetic() || $definition->getFile() || $definition->getMethodCalls() || $definition->getProperties() || $definition->getConfigurator()) {
return false;
}
if ($definition->isDeprecated() || $definition->isLazy() || $definition->getFactory() || 3 < count($definition->getArguments())) {
return false;
}
foreach ($definition->getArguments() as $arg) {
if (!$arg || $arg instanceof Parameter) {
continue;
}
if (is_array($arg) && 3 >= count($arg)) {
foreach ($arg as $k => $v) {
if ($this->dumpValue($k) !== $this->dumpValue($k, false)) {
return false;
}
if (!$v || $v instanceof Parameter) {
continue;
}
if ($v instanceof Reference && $this->container->has($id = (string) $v) && $this->container->findDefinition($id)->isSynthetic()) {
continue;
}
if (!is_scalar($v) || $this->dumpValue($v) !== $this->dumpValue($v, false)) {
return false;
}
}
} elseif ($arg instanceof Reference && $this->container->has($id = (string) $arg) && $this->container->findDefinition($id)->isSynthetic()) {
continue;
} elseif (!is_scalar($arg) || $this->dumpValue($arg) !== $this->dumpValue($arg, false)) {
return false;
}
}
if (false !== strpos($this->dumpLiteralClass($this->dumpValue($definition->getClass())), '$')) {
return false;
}
return true;
}
private function addServiceMethodCalls(Definition $definition, string $variableName = 'instance'): string
{
$calls = '';
foreach ($definition->getMethodCalls() as $call) {
$arguments = array();
foreach ($call[1] as $value) {
$arguments[] = $this->dumpValue($value);
}
$calls .= $this->wrapServiceConditionals($call[1], sprintf(" \$%s->%s(%s);\n", $variableName, $call[0], implode(', ', $arguments)));
}
return $calls;
}
private function addServiceProperties(Definition $definition, $variableName = 'instance')
{
$code = '';
foreach ($definition->getProperties() as $name => $value) {
$code .= sprintf(" \$%s->%s = %s;\n", $variableName, $name, $this->dumpValue($value));
}
return $code;
}
/**
* @throws ServiceCircularReferenceException when the container contains a circular reference
*/
private function addServiceInlinedDefinitionsSetup(string $id, Definition $definition, \SplObjectStorage $inlinedDefinitions, bool $isSimpleInstance): string
{
$this->referenceVariables[$id] = new Variable('instance');
$code = '';
foreach ($inlinedDefinitions as $def) {
if ($definition === $def || !$this->hasReference($id, array($def->getProperties(), $def->getMethodCalls(), $def->getConfigurator()), true)) {
continue;
}
// if the instance is simple, the return statement has already been generated
// so, the only possible way to get there is because of a circular reference
if ($isSimpleInstance) {
throw new ServiceCircularReferenceException($id, array($id));
}
$name = (string) $this->definitionVariables[$def];
$code .= $this->addServiceProperties($def, $name);
$code .= $this->addServiceMethodCalls($def, $name);
$code .= $this->addServiceConfigurator($def, $name);
}
if ('' !== $code && ($definition->getProperties() || $definition->getMethodCalls() || $definition->getConfigurator())) {
$code .= "\n";
}
return $code;
}
private function addServiceConfigurator(Definition $definition, string $variableName = 'instance'): string
{
if (!$callable = $definition->getConfigurator()) {
return '';
}
if (is_array($callable)) {
if ($callable[0] instanceof Reference
|| ($callable[0] instanceof Definition && $this->definitionVariables->contains($callable[0]))) {
return sprintf(" %s->%s(\$%s);\n", $this->dumpValue($callable[0]), $callable[1], $variableName);
}
$class = $this->dumpValue($callable[0]);
// If the class is a string we can optimize away
if (0 === strpos($class, "'") && false === strpos($class, '$')) {
return sprintf(" %s::%s(\$%s);\n", $this->dumpLiteralClass($class), $callable[1], $variableName);
}
if (0 === strpos($class, 'new ')) {
return sprintf(" (%s)->%s(\$%s);\n", $this->dumpValue($callable[0]), $callable[1], $variableName);
}
return sprintf(" [%s, '%s'](\$%s);\n", $this->dumpValue($callable[0]), $callable[1], $variableName);
}
return sprintf(" %s(\$%s);\n", $callable, $variableName);
}
private function addService(string $id, Definition $definition, string &$file = null): string
{
$this->definitionVariables = new \SplObjectStorage();
$this->referenceVariables = array();
$this->variableCount = 0;
$return = array();
if ($class = $definition->getClass()) {
$class = $this->container->resolveEnvPlaceholders($class);
$return[] = sprintf(0 === strpos($class, '%') ? '@return object A %1$s instance' : '@return \%s', ltrim($class, '\\'));
} elseif ($definition->getFactory()) {
$factory = $definition->getFactory();
if (is_string($factory)) {
$return[] = sprintf('@return object An instance returned by %s()', $factory);
} elseif (is_array($factory) && (is_string($factory[0]) || $factory[0] instanceof Definition || $factory[0] instanceof Reference)) {
if (is_string($factory[0]) || $factory[0] instanceof Reference) {
$return[] = sprintf('@return object An instance returned by %s::%s()', (string) $factory[0], $factory[1]);
} elseif ($factory[0] instanceof Definition) {
$return[] = sprintf('@return object An instance returned by %s::%s()', $factory[0]->getClass(), $factory[1]);
}
}
}
if ($definition->isDeprecated()) {
if ($return && 0 === strpos($return[count($return) - 1], '@return')) {
$return[] = '';
}
$return[] = sprintf('@deprecated %s', $definition->getDeprecationMessage($id));
}
$return = str_replace("\n * \n", "\n *\n", implode("\n * ", $return));
$return = $this->container->resolveEnvPlaceholders($return);
$shared = $definition->isShared() ? ' shared' : '';
$public = $definition->isPublic() ? 'public' : 'private';
$autowired = $definition->isAutowired() ? ' autowired' : '';
if ($definition->isLazy()) {
$lazyInitialization = '$lazyLoad = true';
} else {
$lazyInitialization = '';
}
$asFile = $this->asFiles && !$this->isHotPath($definition);
$methodName = $this->generateMethodName($id);
if ($asFile) {
$file = $methodName.'.php';
$code = " // Returns the $public '$id'$shared$autowired service.\n\n";
} else {
$code = <<<EOF
/*{$this->docStar}
* Gets the $public '$id'$shared$autowired service.
*
* $return
*/
protected function {$methodName}($lazyInitialization)
{
EOF;
}
$inlinedDefinitions = $this->getDefinitionsFromArguments(array($definition));
$constructorDefinitions = $this->getDefinitionsFromArguments(array($definition->getArguments(), $definition->getFactory()));
$otherDefinitions = new \SplObjectStorage();
foreach ($inlinedDefinitions as $def) {
if ($def === $definition || isset($constructorDefinitions[$def])) {
$constructorDefinitions[$def] = $inlinedDefinitions[$def];
} else {
$otherDefinitions[$def] = $inlinedDefinitions[$def];
}
}
$isSimpleInstance = !$definition->getProperties() && !$definition->getMethodCalls() && !$definition->getConfigurator();
$code .= $this->addServiceInclude($id, $definition, $inlinedDefinitions);
if ($this->getProxyDumper()->isProxyCandidate($definition)) {
$factoryCode = $asFile ? "\$this->load('%s.php', false)" : '$this->%s(false)';
$code .= $this->getProxyDumper()->getProxyFactoryCode($definition, $id, sprintf($factoryCode, $methodName));
}
if ($definition->isDeprecated()) {
$code .= sprintf(" @trigger_error(%s, E_USER_DEPRECATED);\n\n", $this->export($definition->getDeprecationMessage($id)));
}
$code .=
$this->addServiceLocalTempVariables($id, $definition, $constructorDefinitions, $inlinedDefinitions).
$this->addServiceInlinedDefinitions($id, $definition, $constructorDefinitions, $isSimpleInstance).
$this->addServiceInstance($id, $definition, $isSimpleInstance).
$this->addServiceLocalTempVariables($id, $definition, $otherDefinitions, $inlinedDefinitions).
$this->addServiceInlinedDefinitions($id, $definition, $otherDefinitions, $isSimpleInstance).
$this->addServiceInlinedDefinitionsSetup($id, $definition, $inlinedDefinitions, $isSimpleInstance).
$this->addServiceProperties($definition).
$this->addServiceMethodCalls($definition).
$this->addServiceConfigurator($definition).
(!$isSimpleInstance ? "\n return \$instance;\n" : '')
;
if ($asFile) {
$code = implode("\n", array_map(function ($line) { return $line ? substr($line, 8) : $line; }, explode("\n", $code)));
} else {
$code .= " }\n";
}
$this->definitionVariables = null;
$this->referenceVariables = null;
return $code;
}
private function addServices(): string
{
$publicServices = $privateServices = '';
$definitions = $this->container->getDefinitions();
ksort($definitions);
foreach ($definitions as $id => $definition) {
if ($definition->isSynthetic() || ($this->asFiles && !$this->isHotPath($definition))) {
continue;
}
if ($definition->isPublic()) {
$publicServices .= $this->addService($id, $definition);
} elseif (!$this->isTrivialInstance($definition)) {
$privateServices .= $this->addService($id, $definition);
}
}
return $publicServices.$privateServices;
}
private function generateServiceFiles()
{
$definitions = $this->container->getDefinitions();
ksort($definitions);
foreach ($definitions as $id => $definition) {
if (!$definition->isSynthetic() && !$this->isHotPath($definition) && ($definition->isPublic() || !$this->isTrivialInstance($definition))) {
$code = $this->addService($id, $definition, $file);
if (!$definition->isShared()) {
$i = strpos($code, "\n\ninclude_once ");
if (false !== $i && false !== $i = strpos($code, "\n\n", 2 + $i)) {
$code = array(substr($code, 0, 2 + $i), substr($code, 2 + $i));
} else {
$code = array("\n", $code);
}
$code[1] = implode("\n", array_map(function ($line) { return $line ? ' '.$line : $line; }, explode("\n", $code[1])));
$factory = sprintf('$this->factories%s[\'%s\']', $definition->isPublic() ? '' : "['service_container']", $id);
$code[1] = sprintf("%s = function () {\n%s};\n\nreturn %1\$s();\n", $factory, $code[1]);
$code = $code[0].$code[1];
}
yield $file => $code;
}
}
}
private function addNewInstance(Definition $definition, $return, $instantiation, $id)
{
$class = $this->dumpValue($definition->getClass());
$return = ' '.$return.$instantiation;
$arguments = array();
foreach ($definition->getArguments() as $value) {
$arguments[] = $this->dumpValue($value);
}
if (null !== $definition->getFactory()) {
$callable = $definition->getFactory();
if (is_array($callable)) {
if (!preg_match('/^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*$/', $callable[1])) {
throw new RuntimeException(sprintf('Cannot dump definition because of invalid factory method (%s)', $callable[1] ?: 'n/a'));
}
if ($callable[0] instanceof Reference
|| ($callable[0] instanceof Definition && $this->definitionVariables->contains($callable[0]))) {
return $return.sprintf("%s->%s(%s);\n", $this->dumpValue($callable[0]), $callable[1], $arguments ? implode(', ', $arguments) : '');
}
$class = $this->dumpValue($callable[0]);
// If the class is a string we can optimize away
if (0 === strpos($class, "'") && false === strpos($class, '$')) {
if ("''" === $class) {
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));
}
return $return.sprintf("%s::%s(%s);\n", $this->dumpLiteralClass($class), $callable[1], $arguments ? implode(', ', $arguments) : '');
}
if (0 === strpos($class, 'new ')) {
return $return.sprintf("(%s)->%s(%s);\n", $class, $callable[1], $arguments ? implode(', ', $arguments) : '');
}
return $return.sprintf("[%s, '%s'](%s);\n", $class, $callable[1], $arguments ? implode(', ', $arguments) : '');
}
return $return.sprintf("%s(%s);\n", $this->dumpLiteralClass($this->dumpValue($callable)), $arguments ? implode(', ', $arguments) : '');
}
if (false !== strpos($class, '$')) {
return sprintf(" \$class = %s;\n\n%snew \$class(%s);\n", $class, $return, implode(', ', $arguments));
}
return $return.sprintf("new %s(%s);\n", $this->dumpLiteralClass($class), implode(', ', $arguments));
}
private function startClass(string $class, string $baseClass, string $baseClassWithNamespace): string
{
$namespaceLine = !$this->asFiles && $this->namespace ? "\nnamespace {$this->namespace};\n" : '';
$code = <<<EOF
<?php
$namespaceLine
use Symfony\Component\DependencyInjection\Argument\RewindableGenerator;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\DependencyInjection\Container;
use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
use Symfony\Component\DependencyInjection\Exception\LogicException;
use Symfony\Component\DependencyInjection\Exception\RuntimeException;
use Symfony\Component\DependencyInjection\ParameterBag\FrozenParameterBag;
/*{$this->docStar}
* This class has been auto-generated
* by the Symfony Dependency Injection Component.
*
* @final since Symfony 3.3
*/
class $class extends $baseClass
{
private \$parameters;
private \$targetDirs = array();
/*{$this->docStar}
* @internal but protected for BC on cache:clear
*/
protected \$privates = array();
public function __construct()
{
EOF;
if (null !== $this->targetDirRegex) {
$dir = $this->asFiles ? '$this->targetDirs[0] = \\dirname($containerDir)' : '__DIR__';
$code .= <<<EOF
\$dir = {$dir};
for (\$i = 1; \$i <= {$this->targetDirMaxMatches}; ++\$i) {
\$this->targetDirs[\$i] = \$dir = \\dirname(\$dir);
}
EOF;
}
if ($this->asFiles) {
$code = str_replace('$parameters', "\$buildParameters;\n private \$containerDir;\n private \$parameters", $code);
$code = str_replace('__construct()', '__construct(array $buildParameters = array(), $containerDir = __DIR__)', $code);
$code .= " \$this->buildParameters = \$buildParameters;\n";
$code .= " \$this->containerDir = \$containerDir;\n";
}
if (Container::class !== $baseClassWithNamespace) {
$r = $this->container->getReflectionClass($baseClassWithNamespace, false);
if (null !== $r
&& (null !== $constructor = $r->getConstructor())
&& 0 === $constructor->getNumberOfRequiredParameters()
&& Container::class !== $constructor->getDeclaringClass()->name
) {
$code .= " parent::__construct();\n";
$code .= " \$this->parameterBag = null;\n\n";
}
}
if ($this->container->getParameterBag()->all()) {
$code .= " \$this->parameters = \$this->getDefaultParameters();\n\n";
}
$code .= " \$this->services = \$this->privates = array();\n";
$code .= $this->addSyntheticIds();
$code .= $this->addMethodMap();
$code .= $this->asFiles ? $this->addFileMap() : '';
$code .= $this->addAliases();
$code .= $this->addInlineRequires();
$code .= <<<EOF
}
public function reset()
{
\$this->privates = array();
parent::reset();
}
public function compile()
{
throw new LogicException('You cannot compile a dumped container that was already compiled.');
}
public function isCompiled()
{
return true;
}
EOF;
$code .= $this->addRemovedIds();
if ($this->asFiles) {
$code .= <<<EOF