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Current File : //home/rtorresani/www/vendor/rector/rector/rules/Naming/ValueObjectFactory/ParamRenameFactory.php

<?php

declare (strict_types=1);
namespace Rector\Naming\ValueObjectFactory;

use PhpParser\Node\Expr\ArrowFunction;
use PhpParser\Node\Expr\Closure;
use PhpParser\Node\FunctionLike;
use PhpParser\Node\Param;
use PhpParser\Node\Stmt\ClassMethod;
use PhpParser\Node\Stmt\Function_;
use Rector\Core\Exception\ShouldNotHappenException;
use Rector\Core\PhpParser\Node\BetterNodeFinder;
use Rector\Naming\ValueObject\ParamRename;
use Rector\NodeNameResolver\NodeNameResolver;
final class ParamRenameFactory
{
    /**
     * @readonly
     * @var \Rector\NodeNameResolver\NodeNameResolver
     */
    private $nodeNameResolver;
    /**
     * @readonly
     * @var \Rector\Core\PhpParser\Node\BetterNodeFinder
     */
    private $betterNodeFinder;
    public function __construct(NodeNameResolver $nodeNameResolver, BetterNodeFinder $betterNodeFinder)
    {
        $this->nodeNameResolver = $nodeNameResolver;
        $this->betterNodeFinder = $betterNodeFinder;
    }
    public function createFromResolvedExpectedName(Param $param, string $expectedName) : ?ParamRename
    {
        /** @var ClassMethod|Function_|Closure|ArrowFunction|null $functionLike */
        $functionLike = $this->betterNodeFinder->findParentType($param, FunctionLike::class);
        if ($functionLike === null) {
            throw new ShouldNotHappenException("There shouldn't be a param outside of FunctionLike");
        }
        $currentName = $this->nodeNameResolver->getName($param->var);
        if ($currentName === null) {
            return null;
        }
        return new ParamRename($currentName, $expectedName, $param, $param->var, $functionLike);
    }
}