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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\Compiler;
use Symfony\Component\DependencyInjection\Definition;
/**
* Looks for definitions with autowiring enabled and registers their corresponding "@required" methods as setters.
*
* @author Nicolas Grekas <p@tchwork.com>
*/
class AutowireRequiredMethodsPass extends AbstractRecursivePass
{
/**
* {@inheritdoc}
*/
protected function processValue($value, $isRoot = false)
{
$value = parent::processValue($value, $isRoot);
if (!$value instanceof Definition || !$value->isAutowired() || $value->isAbstract() || !$value->getClass()) {
return $value;
}
if (!$reflectionClass = $this->container->getReflectionClass($value->getClass(), false)) {
return $value;
}
$alreadyCalledMethods = [];
$withers = [];
foreach ($value->getMethodCalls() as [$method]) {
$alreadyCalledMethods[strtolower($method)] = true;
}
foreach ($reflectionClass->getMethods() as $reflectionMethod) {
$r = $reflectionMethod;
if ($r->isConstructor() || isset($alreadyCalledMethods[strtolower($r->name)])) {
continue;
}
while (true) {
if (false !== $doc = $r->getDocComment()) {
if (false !== stripos($doc, '@required') && preg_match('#(?:^/\*\*|\n\s*+\*)\s*+@required(?:\s|\*/$)#i', $doc)) {
if (preg_match('#(?:^/\*\*|\n\s*+\*)\s*+@return\s++static[\s\*]#i', $doc)) {
$withers[] = [$reflectionMethod->name, [], true];
} else {
$value->addMethodCall($reflectionMethod->name, []);
}
break;
}
if (false === stripos($doc, '@inheritdoc') || !preg_match('#(?:^/\*\*|\n\s*+\*)\s*+(?:\{@inheritdoc\}|@inheritdoc)(?:\s|\*/$)#i', $doc)) {
break;
}
}
try {
$r = $r->getPrototype();
} catch (\ReflectionException $e) {
break; // method has no prototype
}
}
}
if ($withers) {
// Prepend withers to prevent creating circular loops
$setters = $value->getMethodCalls();
$value->setMethodCalls($withers);
foreach ($setters as $call) {
$value->addMethodCall($call[0], $call[1], $call[2] ?? false);
}
}
return $value;
}
}
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