mirror of https://github.com/rectorphp/rector.git
60 lines
1.3 KiB
PHP
60 lines
1.3 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\DeadCode\Rector\For_;
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use PhpParser\Node;
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use PhpParser\Node\Stmt\Do_;
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use PhpParser\Node\Stmt\For_;
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use PhpParser\Node\Stmt\Foreach_;
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use PhpParser\Node\Stmt\While_;
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use PhpParser\NodeTraverser;
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use Rector\Rector\AbstractRector;
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use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
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use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
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/**
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* @see \Rector\Tests\DeadCode\Rector\For_\RemoveDeadLoopRector\RemoveDeadLoopRectorTest
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*/
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final class RemoveDeadLoopRector extends AbstractRector
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{
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public function getRuleDefinition() : RuleDefinition
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{
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return new RuleDefinition('Remove loop with no body', [new CodeSample(<<<'CODE_SAMPLE'
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class SomeClass
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{
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public function run($values)
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{
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for ($i=1; $i<count($values); ++$i) {
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}
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}
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}
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CODE_SAMPLE
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, <<<'CODE_SAMPLE'
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class SomeClass
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{
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public function run($values)
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{
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}
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}
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CODE_SAMPLE
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)]);
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}
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/**
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* @return array<class-string<Node>>
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*/
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public function getNodeTypes() : array
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{
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return [Do_::class, For_::class, Foreach_::class, While_::class];
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}
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/**
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* @param Do_|For_|Foreach_|While_ $node
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*/
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public function refactor(Node $node) : ?int
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{
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if ($node->stmts !== []) {
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return null;
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}
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return NodeTraverser::REMOVE_NODE;
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}
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}
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