96 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			96 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/*
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 * This file is part of the Symfony package.
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 *
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 * (c) Fabien Potencier <fabien@symfony.com>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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namespace Symfony\Component\DependencyInjection\Compiler;
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use Symfony\Component\DependencyInjection\Definition;
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use Symfony\Contracts\Service\Attribute\Required;
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/**
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 * Looks for definitions with autowiring enabled and registers their corresponding "#[Required]" methods as setters.
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 *
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 * @author Nicolas Grekas <p@tchwork.com>
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 */
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class AutowireRequiredMethodsPass extends AbstractRecursivePass
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{
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    protected bool $skipScalars = true;
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    protected function processValue(mixed $value, bool $isRoot = false): mixed
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    {
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        $value = parent::processValue($value, $isRoot);
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        if (!$value instanceof Definition || !$value->isAutowired() || $value->isAbstract() || !$value->getClass()) {
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            return $value;
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        }
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        if (!$reflectionClass = $this->container->getReflectionClass($value->getClass(), false)) {
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            return $value;
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        }
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        $alreadyCalledMethods = [];
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        $withers = [];
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        foreach ($value->getMethodCalls() as [$method]) {
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            $alreadyCalledMethods[strtolower($method)] = true;
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        }
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        foreach ($reflectionClass->getMethods() as $reflectionMethod) {
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            $r = $reflectionMethod;
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            if ($r->isConstructor() || isset($alreadyCalledMethods[strtolower($r->name)])) {
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                continue;
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            }
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            while (true) {
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                if ($r->getAttributes(Required::class)) {
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                    if ($this->isWither($r, $r->getDocComment() ?: '')) {
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                        $withers[] = [$r->name, [], true];
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                    } else {
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                        $value->addMethodCall($r->name, []);
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                    }
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                    break;
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                }
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                try {
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                    $r = $r->getPrototype();
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                } catch (\ReflectionException) {
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                    break; // method has no prototype
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                }
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            }
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        }
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        if ($withers) {
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            // Prepend withers to prevent creating circular loops
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            $setters = $value->getMethodCalls();
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            $value->setMethodCalls($withers);
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            foreach ($setters as $call) {
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                $value->addMethodCall($call[0], $call[1], $call[2] ?? false);
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            }
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        }
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        return $value;
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    }
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    private function isWither(\ReflectionMethod $reflectionMethod, string $doc): bool
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    {
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        $match = preg_match('#(?:^/\*\*|\n\s*+\*)\s*+@return\s++(static|\$this)[\s\*]#i', $doc, $matches);
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        if ($match && 'static' === $matches[1]) {
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            return true;
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        }
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        if ($match && '$this' === $matches[1]) {
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            return false;
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        }
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        $reflectionType = $reflectionMethod->hasReturnType() ? $reflectionMethod->getReturnType() : null;
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        return $reflectionType instanceof \ReflectionNamedType && 'static' === $reflectionType->getName();
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    }
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}
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