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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2019-02-20 13:29:54 +00:00
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namespace Rector\CodeQuality\Rector\Equal;
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use PhpParser\Node;
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use PhpParser\Node\Expr\BinaryOp\Equal;
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use PhpParser\Node\Expr\BinaryOp\Identical;
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use PhpParser\Node\Expr\BinaryOp\NotEqual;
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use PhpParser\Node\Expr\BinaryOp\NotIdentical;
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2019-09-04 12:10:29 +00:00
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use PHPStan\Type\MixedType;
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2019-02-20 13:29:54 +00:00
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use PHPStan\Type\ObjectType;
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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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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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2019-02-20 13:29:54 +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\Equal\UseIdenticalOverEqualWithSameTypeRector\UseIdenticalOverEqualWithSameTypeRectorTest
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*/
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2019-02-20 13:29:54 +00:00
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final class UseIdenticalOverEqualWithSameTypeRector extends AbstractRector
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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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2019-02-20 13:29:54 +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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'Use ===/!== over ==/!=, it values have the same type',
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[
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new CodeSample(
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<<<'CODE_SAMPLE'
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2019-02-20 13:29:54 +00:00
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class SomeClass
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{
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public function run(int $firstValue, int $secondValue)
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{
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$isSame = $firstValue == $secondValue;
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$isDiffernt = $firstValue != $secondValue;
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}
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}
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2020-09-15 08:23:13 +00:00
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CODE_SAMPLE
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2020-11-16 17:50:38 +00:00
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,
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<<<'CODE_SAMPLE'
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2019-02-20 13:29:54 +00:00
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class SomeClass
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{
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public function run(int $firstValue, int $secondValue)
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{
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$isSame = $firstValue === $secondValue;
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$isDiffernt = $firstValue !== $secondValue;
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}
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}
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2020-09-15 08:23:13 +00:00
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CODE_SAMPLE
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2021-03-03 08:49:57 +00:00
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),
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2020-11-16 17:50:38 +00:00
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]);
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2019-02-20 13:29:54 +00:00
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}
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/**
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2021-02-27 00:06:15 +00:00
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* @return array<class-string<Node>>
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2019-02-20 13:29:54 +00:00
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*/
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public function getNodeTypes(): array
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{
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return [Equal::class, NotEqual::class];
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}
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/**
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* @param Equal|NotEqual $node
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*/
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public function refactor(Node $node): ?Node
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{
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$leftStaticType = $this->getStaticType($node->left);
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$rightStaticType = $this->getStaticType($node->right);
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// objects can be different by content
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if ($leftStaticType instanceof ObjectType) {
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return null;
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}
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2020-12-24 16:28:56 +00:00
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if ($leftStaticType instanceof MixedType) {
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return null;
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}
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if ($rightStaticType instanceof MixedType) {
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2019-02-20 13:29:54 +00:00
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return null;
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}
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// different types
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if (! $leftStaticType->equals($rightStaticType)) {
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return null;
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}
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if ($node instanceof Equal) {
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return new Identical($node->left, $node->right);
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}
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2019-03-27 16:46:25 +00:00
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return new NotIdentical($node->left, $node->right);
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2019-02-20 13:29:54 +00:00
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}
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}
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