Current File : //home2/vacivi36/code/vendor/rector/rector/rules/DeadCode/Rector/For_/RemoveDeadLoopRector.php
<?php
declare (strict_types=1);
namespace Rector\DeadCode\Rector\For_;
use PhpParser\Node;
use PhpParser\Node\Stmt\Do_;
use PhpParser\Node\Stmt\For_;
use PhpParser\Node\Stmt\Foreach_;
use PhpParser\Node\Stmt\While_;
use Rector\Core\Rector\AbstractRector;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
/**
* @see \Rector\Tests\DeadCode\Rector\For_\RemoveDeadLoopRector\RemoveDeadLoopRectorTest
*/
final class RemoveDeadLoopRector extends AbstractRector
{
public function getRuleDefinition() : RuleDefinition
{
return new RuleDefinition('Remove loop with no body', [new CodeSample(<<<'CODE_SAMPLE'
class SomeClass
{
public function run($values)
{
for ($i=1; $i<count($values); ++$i) {
}
}
}
CODE_SAMPLE
, <<<'CODE_SAMPLE'
class SomeClass
{
public function run($values)
{
}
}
CODE_SAMPLE
)]);
}
/**
* @return array<class-string<Node>>
*/
public function getNodeTypes() : array
{
return [Do_::class, For_::class, Foreach_::class, While_::class];
}
/**
* @param Do_|For_|Foreach_|While_ $node
*/
public function refactor(Node $node) : ?Node
{
if ($node->stmts !== []) {
return null;
}
$this->removeNode($node);
return $node;
}
}
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