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✎ Editing: RenameFunctionLikeParamWithinCallLikeArgRector.php ← Back

<?php

declare (strict_types=1);
namespace Rector\Renaming\Rector\FunctionLike;

use PhpParser\Node;
use PhpParser\Node\Arg;
use PhpParser\Node\Expr\ArrowFunction;
use PhpParser\Node\Expr\CallLike;
use PhpParser\Node\Expr\Closure;
use PhpParser\Node\Expr\MethodCall;
use PhpParser\Node\Expr\StaticCall;
use PhpParser\Node\Expr\Variable;
use PhpParser\Node\FunctionLike;
use PhpParser\Node\Identifier;
use PhpParser\Node\Param;
use Rector\Contract\Rector\ConfigurableRectorInterface;
use Rector\Naming\Guard\BreakingVariableRenameGuard;
use Rector\Naming\ParamRenamer\ParamRenamer;
use Rector\Naming\ValueObject\ParamRename;
use Rector\Naming\ValueObjectFactory\ParamRenameFactory;
use Rector\Rector\AbstractRector;
use Rector\Renaming\ValueObject\RenameFunctionLikeParamWithinCallLikeArg;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\ConfiguredCodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
use RectorPrefix202411\Webmozart\Assert\Assert;
/**
 * @see \Rector\Tests\Renaming\Rector\FunctionLike\RenameFunctionLikeParamWithinCallLikeArgRector\RenameFunctionLikeParamWithinCallLikeArgRectorTest
 */
final class RenameFunctionLikeParamWithinCallLikeArgRector extends AbstractRector implements ConfigurableRectorInterface
{
    /**
     * @readonly
     * @var \Rector\Naming\Guard\BreakingVariableRenameGuard
     */
    private $breakingVariableRenameGuard;
    /**
     * @readonly
     * @var \Rector\Naming\ParamRenamer\ParamRenamer
     */
    private $paramRenamer;
    /**
     * @readonly
     * @var \Rector\Naming\ValueObjectFactory\ParamRenameFactory
     */
    private $paramRenameFactory;
    /**
     * @var RenameFunctionLikeParamWithinCallLikeArg[]
     */
    private $renameFunctionLikeParamWithinCallLikeArgs = [];
    public function __construct(BreakingVariableRenameGuard $breakingVariableRenameGuard, ParamRenamer $paramRenamer, ParamRenameFactory $paramRenameFactory)
    {
        $this->breakingVariableRenameGuard = $breakingVariableRenameGuard;
        $this->paramRenamer = $paramRenamer;
        $this->paramRenameFactory = $paramRenameFactory;
    }
    public function getRuleDefinition() : RuleDefinition
    {
        return new RuleDefinition('Rename param within closures and arrow functions based on use with specified method calls', [new ConfiguredCodeSample(<<<'CODE_SAMPLE'
(new SomeClass)->process(function ($param) {});
CODE_SAMPLE
, <<<'CODE_SAMPLE'
(new SomeClass)->process(function ($parameter) {});
CODE_SAMPLE
, [new RenameFunctionLikeParamWithinCallLikeArg('SomeClass', 'process', 0, 0, 'parameter')])]);
    }
    /**
     * @return array<class-string<Node>>
     */
    public function getNodeTypes() : array
    {
        return [MethodCall::class, StaticCall::class];
    }
    /**
     * @param CallLike $node
     */
    public function refactor(Node $node) : ?Node
    {
        $hasChanged = \false;
        foreach ($this->renameFunctionLikeParamWithinCallLikeArgs as $renameFunctionLikeParamWithinCallLikeArg) {
            if (!$node instanceof MethodCall && !$node instanceof StaticCall) {
                continue;
            }
            switch (\true) {
                case $node instanceof MethodCall:
                    $type = $node->var;
                    break;
                case $node instanceof StaticCall:
                    $type = $node->class;
                    break;
            }
            if (!$this->isObjectType($type, $renameFunctionLikeParamWithinCallLikeArg->getObjectType())) {
                continue;
            }
            if (($node->name ?? null) === null) {
                continue;
            }
            if (!$node->name instanceof Identifier) {
                continue;
            }
            if (!$this->isName($node->name, $renameFunctionLikeParamWithinCallLikeArg->getMethodName())) {
                continue;
            }
            $arg = $this->findArgFromMethodCall($renameFunctionLikeParamWithinCallLikeArg, $node);
            $functionLike = ($nullsafeVariable1 = $arg) ? $nullsafeVariable1->value : null;
            if (!$arg instanceof Arg) {
                continue;
            }
            if (!$functionLike instanceof FunctionLike) {
                continue;
            }
            $param = $this->findParameterFromArg($arg, $renameFunctionLikeParamWithinCallLikeArg);
            if (!$param instanceof Param) {
                continue;
            }
            if (!$param->var instanceof Variable) {
                continue;
            }
            if (($functionLike instanceof Closure || $functionLike instanceof ArrowFunction) && $this->breakingVariableRenameGuard->shouldSkipVariable((string) $this->nodeNameResolver->getName($param->var), $renameFunctionLikeParamWithinCallLikeArg->getNewParamName(), $functionLike, $param->var)) {
                continue;
            }
            $paramRename = $this->paramRenameFactory->createFromResolvedExpectedName($functionLike, $param, $renameFunctionLikeParamWithinCallLikeArg->getNewParamName());
            if (!$paramRename instanceof ParamRename) {
                continue;
            }
            $this->paramRenamer->rename($paramRename);
            $hasChanged = \true;
        }
        if (!$hasChanged) {
            return null;
        }
        return $node;
    }
    /**
     * @param RenameFunctionLikeParamWithinCallLikeArg[] $configuration
     */
    public function configure(array $configuration) : void
    {
        Assert::allIsAOf($configuration, RenameFunctionLikeParamWithinCallLikeArg::class);
        $this->renameFunctionLikeParamWithinCallLikeArgs = $configuration;
    }
    public function findParameterFromArg(Arg $arg, RenameFunctionLikeParamWithinCallLikeArg $renameFunctionLikeParamWithinCallLikeArg) : ?Param
    {
        $functionLike = $arg->value;
        if (!$functionLike instanceof FunctionLike) {
            return null;
        }
        return $functionLike->params[$renameFunctionLikeParamWithinCallLikeArg->getFunctionLikePosition()] ?? null;
    }
    private function findArgFromMethodCall(RenameFunctionLikeParamWithinCallLikeArg $renameFunctionLikeParamWithinCallLikeArg, CallLike $callLike) : ?Arg
    {
        if (\is_int($renameFunctionLikeParamWithinCallLikeArg->getCallLikePosition())) {
            return $this->processPositionalArg($callLike, $renameFunctionLikeParamWithinCallLikeArg);
        }
        return $this->processNamedArg($callLike, $renameFunctionLikeParamWithinCallLikeArg);
    }
    private function processPositionalArg(CallLike $callLike, RenameFunctionLikeParamWithinCallLikeArg $renameFunctionLikeParamWithinCallLikeArg) : ?Arg
    {
        if ($callLike->isFirstClassCallable()) {
            return null;
        }
        if ($callLike->getArgs() === []) {
            return null;
        }
        $arg = $callLike->args[$renameFunctionLikeParamWithinCallLikeArg->getCallLikePosition()] ?? null;
        if (!$arg instanceof Arg) {
            return null;
        }
        // int positions shouldn't have names
        if ($arg->name !== null) {
            return null;
        }
        return $arg;
    }
    private function processNamedArg(CallLike $callLike, RenameFunctionLikeParamWithinCallLikeArg $renameFunctionLikeParamWithinCallLikeArg) : ?Arg
    {
        $args = \array_filter($callLike->getArgs(), static function (Arg $arg) use($renameFunctionLikeParamWithinCallLikeArg) : bool {
            if ($arg->name === null) {
                return \false;
            }
            return $arg->name->name === $renameFunctionLikeParamWithinCallLikeArg->getCallLikePosition();
        });
        if ($args === []) {
            return null;
        }
        return \array_values($args)[0];
    }
}

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