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[Downgrade] [PHP 7.2] Make DowngradeParameterTypeWideningRector always downgrade to phpdoc type (#390)
91 lines
3.2 KiB
PHP
91 lines
3.2 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\DowngradePhp80\Rector\ClassMethod;
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use PhpParser\Node;
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use PhpParser\Node\Stmt\ClassMethod;
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use PHPStan\Reflection\ClassReflection;
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use PHPStan\Reflection\ReflectionProvider;
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use PHPStan\Type\StaticType;
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use Rector\Core\Rector\AbstractRector;
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use Rector\DowngradePhp71\TypeDeclaration\PhpDocFromTypeDeclarationDecorator;
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use Rector\NodeTypeResolver\Node\AttributeKey;
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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\ClassMethod\DowngradeStaticTypeDeclarationRector\DowngradeStaticTypeDeclarationRectorTest
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*/
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final class DowngradeStaticTypeDeclarationRector 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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/**
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* @var \PHPStan\Reflection\ReflectionProvider
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*/
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private $reflectionProvider;
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public function __construct(\Rector\DowngradePhp71\TypeDeclaration\PhpDocFromTypeDeclarationDecorator $phpDocFromTypeDeclarationDecorator, \PHPStan\Reflection\ReflectionProvider $reflectionProvider)
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{
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$this->phpDocFromTypeDeclarationDecorator = $phpDocFromTypeDeclarationDecorator;
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$this->reflectionProvider = $reflectionProvider;
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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\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 "static" return and param type, add a "@param $this" and "@return $this" 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 getStatic(): static
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{
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return new static();
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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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* @return static
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*/
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public function getStatic()
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{
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return new static();
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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 $node
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*/
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public function refactor(\PhpParser\Node $node) : ?\PhpParser\Node
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{
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$scope = $node->getAttribute(\Rector\NodeTypeResolver\Node\AttributeKey::SCOPE);
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if ($scope === null) {
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$className = $node->getAttribute(\Rector\NodeTypeResolver\Node\AttributeKey::CLASS_NAME);
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$classReflection = $this->reflectionProvider->getClass($className);
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} else {
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$classReflection = $scope->getClassReflection();
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}
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if (!$classReflection instanceof \PHPStan\Reflection\ClassReflection) {
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return null;
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}
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$staticType = new \PHPStan\Type\StaticType($classReflection->getName());
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foreach ($node->getParams() as $param) {
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$this->phpDocFromTypeDeclarationDecorator->decorateParamWithSpecificType($param, $node, $staticType);
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}
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if (!$this->phpDocFromTypeDeclarationDecorator->decorateReturnWithSpecificType($node, $staticType)) {
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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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