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[Downgrade] [PHP 7.2] Make DowngradeParameterTypeWideningRector always downgrade to phpdoc type (#390)
74 lines
2.5 KiB
PHP
74 lines
2.5 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\DowngradePhp80\Rector\FunctionLike;
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use PhpParser\Node;
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use PhpParser\Node\Expr\Closure;
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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\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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* @see \Rector\Tests\DowngradePhp80\Rector\FunctionLike\DowngradeMixedTypeDeclarationRector\DowngradeMixedTypeDeclarationRectorTest
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*/
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final class DowngradeMixedTypeDeclarationRector 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, \PhpParser\Node\Expr\Closure::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 "mixed" param and return type, add a @param and @return tag 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 someFunction(mixed $anything): mixed
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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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/**
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* @param mixed $anything
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* @return mixed
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*/
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public function someFunction($anything)
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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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* @param ClassMethod|Function_ $node
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*/
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public function refactor(\PhpParser\Node $node) : ?\PhpParser\Node
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{
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$mixedType = new \PHPStan\Type\MixedType();
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foreach ($node->getParams() as $param) {
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$this->phpDocFromTypeDeclarationDecorator->decorateParamWithSpecificType($param, $node, $mixedType);
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}
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if (!$this->phpDocFromTypeDeclarationDecorator->decorateReturnWithSpecificType($node, $mixedType)) {
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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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