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[Downgrade] [PHP 7.2] Make DowngradeParameterTypeWideningRector always downgrade to phpdoc type (#390)
78 lines
2.6 KiB
PHP
78 lines
2.6 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\DowngradePhp71\Rector\FunctionLike;
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use PhpParser\Node;
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use PhpParser\Node\Stmt\ClassMethod;
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use PhpParser\Node\Stmt\Function_;
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use PHPStan\Type\IterableType;
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use PHPStan\Type\MixedType;
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use Rector\Core\Rector\AbstractRector;
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use Rector\DowngradePhp71\TypeDeclaration\PhpDocFromTypeDeclarationDecorator;
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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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* @changelog https://wiki.php.net/rfc/iterable
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*
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* @see \Rector\Tests\DowngradePhp71\Rector\FunctionLike\DowngradeIterablePseudoTypeDeclarationRector\DowngradeIterablePseudoTypeDeclarationRectorTest
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*/
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final class DowngradeIterablePseudoTypeDeclarationRector extends \Rector\Core\Rector\AbstractRector
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{
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/**
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* @var \Rector\DowngradePhp71\TypeDeclaration\PhpDocFromTypeDeclarationDecorator
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*/
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private $phpDocFromTypeDeclarationDecorator;
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public function __construct(\Rector\DowngradePhp71\TypeDeclaration\PhpDocFromTypeDeclarationDecorator $phpDocFromTypeDeclarationDecorator)
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{
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$this->phpDocFromTypeDeclarationDecorator = $phpDocFromTypeDeclarationDecorator;
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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 [\PhpParser\Node\Stmt\Function_::class, \PhpParser\Node\Stmt\ClassMethod::class];
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}
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public function getRuleDefinition() : \Symplify\RuleDocGenerator\ValueObject\RuleDefinition
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{
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return new \Symplify\RuleDocGenerator\ValueObject\RuleDefinition('Remove the iterable pseudo type params and returns, add @param and @return tags instead', [new \Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample(<<<'CODE_SAMPLE'
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class SomeClass
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{
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public function run(iterable $iterator): iterable
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{
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// do something
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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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/**
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* @param mixed[]|\Traversable $iterator
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* @return mixed[]|\Traversable
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*/
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public function run($iterator)
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{
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// do something
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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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* @param Function_|ClassMethod $node
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*/
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public function refactor(\PhpParser\Node $node) : ?\PhpParser\Node
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{
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$iterableType = new \PHPStan\Type\IterableType(new \PHPStan\Type\MixedType(), new \PHPStan\Type\MixedType());
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foreach ($node->params as $param) {
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$this->phpDocFromTypeDeclarationDecorator->decorateParamWithSpecificType($param, $node, $iterableType);
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}
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if (!$this->phpDocFromTypeDeclarationDecorator->decorateReturnWithSpecificType($node, $iterableType)) {
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return null;
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}
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return $node;
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}
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}
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