2019-10-13 05:59:52 +00:00
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<?php
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declare(strict_types=1);
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2018-10-12 16:57:21 +00:00
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2018-10-17 12:27:22 +00:00
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namespace Rector\CodeQuality\Rector\Identical;
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2018-10-12 16:57:21 +00:00
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use PhpParser\Node;
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use PhpParser\Node\Expr\BinaryOp\Identical;
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use PhpParser\Node\Expr\BinaryOp\NotIdentical;
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use PhpParser\Node\Expr\BooleanNot;
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use PhpParser\Node\Expr\ClassConstFetch;
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use PhpParser\Node\Expr\FuncCall;
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use PhpParser\Node\Expr\Instanceof_;
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2021-01-02 20:27:01 +00:00
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use PhpParser\Node\Name;
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2018-10-12 16:57:21 +00:00
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use PhpParser\Node\Name\FullyQualified;
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use PhpParser\Node\Scalar\String_;
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2021-02-08 12:33:17 +00:00
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use Rector\Core\NodeManipulator\BinaryOpManipulator;
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2020-02-06 21:48:18 +00:00
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use Rector\Core\Rector\AbstractRector;
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2021-01-20 11:41:35 +00:00
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use Rector\Php71\ValueObject\TwoNodeMatch;
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2020-11-16 17:50:38 +00:00
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use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
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use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
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2018-10-12 16:57:21 +00:00
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2019-09-03 09:11:45 +00:00
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/**
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* @see \Rector\CodeQuality\Tests\Rector\Identical\GetClassToInstanceOfRector\GetClassToInstanceOfRectorTest
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*/
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2018-10-12 16:57:21 +00:00
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final class GetClassToInstanceOfRector extends AbstractRector
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{
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2021-01-02 22:00:25 +00:00
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/**
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* @var string[]
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*/
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private const NO_NAMESPACED_CLASSNAMES = ['self', 'static'];
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2018-11-07 17:04:38 +00:00
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/**
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2019-02-27 21:54:39 +00:00
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* @var BinaryOpManipulator
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2018-11-07 17:04:38 +00:00
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*/
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2019-02-27 21:54:39 +00:00
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private $binaryOpManipulator;
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2018-11-07 17:04:38 +00:00
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2019-02-27 21:54:39 +00:00
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public function __construct(BinaryOpManipulator $binaryOpManipulator)
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2018-11-07 17:04:38 +00:00
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{
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2019-02-27 21:54:39 +00:00
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$this->binaryOpManipulator = $binaryOpManipulator;
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2018-11-07 17:04:38 +00:00
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}
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2020-11-16 17:50:38 +00:00
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public function getRuleDefinition(): RuleDefinition
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2018-10-12 16:57:21 +00:00
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{
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2020-11-16 17:50:38 +00:00
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return new RuleDefinition(
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2018-10-12 16:57:21 +00:00
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'Changes comparison with get_class to instanceof',
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[
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new CodeSample(
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'if (EventsListener::class === get_class($event->job)) { }',
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'if ($event->job instanceof EventsListener) { }'
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),
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]
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);
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}
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/**
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* @return string[]
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*/
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public function getNodeTypes(): array
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{
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return [Identical::class, NotIdentical::class];
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}
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/**
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* @param Identical|NotIdentical $node
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*/
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public function refactor(Node $node): ?Node
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{
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2020-08-23 09:39:09 +00:00
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$twoNodeMatch = $this->binaryOpManipulator->matchFirstAndSecondConditionNode(
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2018-11-07 17:04:38 +00:00
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$node,
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2019-05-09 13:30:39 +00:00
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function (Node $node): bool {
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2018-11-07 17:04:38 +00:00
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return $this->isClassReference($node);
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},
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2019-05-09 13:30:39 +00:00
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function (Node $node): bool {
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2018-11-07 17:04:38 +00:00
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return $this->isGetClassFuncCallNode($node);
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}
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);
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2021-01-20 11:41:35 +00:00
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if (! $twoNodeMatch instanceof TwoNodeMatch) {
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2018-10-21 10:19:14 +00:00
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return null;
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2018-10-12 16:57:21 +00:00
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}
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2020-12-20 12:50:55 +00:00
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/** @var ClassConstFetch|String_ $firstExpr */
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$firstExpr = $twoNodeMatch->getFirstExpr();
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/** @var FuncCall $funcCall */
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$funcCall = $twoNodeMatch->getSecondExpr();
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$varNode = $funcCall->args[0]->value;
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if ($firstExpr instanceof String_) {
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2021-01-30 23:20:05 +00:00
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$className = $this->valueResolver->getValue($firstExpr);
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2020-12-20 12:50:55 +00:00
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} else {
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$className = $this->getName($firstExpr->class);
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}
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2018-11-07 17:04:38 +00:00
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2019-01-14 18:21:23 +00:00
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if ($className === null) {
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return null;
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}
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2018-11-07 17:04:38 +00:00
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2021-01-02 22:00:25 +00:00
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$class = in_array($className, self::NO_NAMESPACED_CLASSNAMES, true)
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? new Name($className)
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2021-01-02 20:27:01 +00:00
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: new FullyQualified($className);
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$instanceof = new Instanceof_($varNode, $class);
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2018-10-12 16:57:21 +00:00
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if ($node instanceof NotIdentical) {
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2020-06-29 21:19:37 +00:00
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return new BooleanNot($instanceof);
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2018-10-12 16:57:21 +00:00
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}
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2020-06-29 21:19:37 +00:00
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return $instanceof;
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2018-10-12 16:57:21 +00:00
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}
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private function isClassReference(Node $node): bool
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{
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2021-02-21 09:32:45 +00:00
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if (! $node instanceof ClassConstFetch) {
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// might be
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return $node instanceof String_;
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2018-10-12 16:57:21 +00:00
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}
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2021-02-21 09:32:45 +00:00
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return $this->isName($node->name, 'class');
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2018-10-12 16:57:21 +00:00
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}
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private function isGetClassFuncCallNode(Node $node): bool
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{
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if (! $node instanceof FuncCall) {
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return false;
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}
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2018-10-15 04:13:42 +00:00
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return $this->isName($node, 'get_class');
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2018-10-12 16:57:21 +00:00
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}
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}
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