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<?php declare (strict_types=1); namespace Rector\Php70\Rector\MethodCall; use PhpParser\Node; use PhpParser\Node\Expr\MethodCall; use PhpParser\Node\Expr\Variable; use PhpParser\Node\Stmt\Class_; use PhpParser\Node\Stmt\ClassLike; use PHPStan\Reflection\Php\PhpMethodReflection; use PHPStan\Reflection\ReflectionProvider; use PHPStan\Type\ObjectType; use Rector\Core\Enum\ObjectReference; use Rector\Core\Rector\AbstractRector; use Rector\Core\Reflection\ReflectionResolver; use Rector\Core\ValueObject\PhpVersionFeature; use Rector\NodeCollector\StaticAnalyzer; use Rector\VersionBonding\Contract\MinPhpVersionInterface; use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample; use Symplify\RuleDocGenerator\ValueObject\RuleDefinition; /** * @changelog https://3v4l.org/rkiSC * @see \Rector\Tests\Php70\Rector\MethodCall\ThisCallOnStaticMethodToStaticCallRector\ThisCallOnStaticMethodToStaticCallRectorTest */ final class ThisCallOnStaticMethodToStaticCallRector extends AbstractRector implements MinPhpVersionInterface { /** * @readonly * @var \Rector\NodeCollector\StaticAnalyzer */ private $staticAnalyzer; /** * @readonly * @var \Rector\Core\Reflection\ReflectionResolver */ private $reflectionResolver; /** * @readonly * @var \PHPStan\Reflection\ReflectionProvider */ private $reflectionProvider; public function __construct(StaticAnalyzer $staticAnalyzer, ReflectionResolver $reflectionResolver, ReflectionProvider $reflectionProvider) { $this->staticAnalyzer = $staticAnalyzer; $this->reflectionResolver = $reflectionResolver; $this->reflectionProvider = $reflectionProvider; } public function provideMinPhpVersion() : int { return PhpVersionFeature::STATIC_CALL_ON_NON_STATIC; } public function getRuleDefinition() : RuleDefinition { return new RuleDefinition('Changes $this->call() to static method to static call', [new CodeSample(<<<'CODE_SAMPLE' class SomeClass { public static function run() { $this->eat(); } public static function eat() { } } CODE_SAMPLE , <<<'CODE_SAMPLE' class SomeClass { public static function run() { static::eat(); } public static function eat() { } } CODE_SAMPLE )]); } /** * @return array<class-string<Node>> */ public function getNodeTypes() : array { return [MethodCall::class]; } /** * @param MethodCall $node */ public function refactor(Node $node) : ?Node { if (!$node->var instanceof Variable) { return null; } if (!$this->nodeNameResolver->isName($node->var, 'this')) { return null; } $methodName = $this->getName($node->name); if ($methodName === null) { return null; } // skip PHPUnit calls, as they accept both self:: and $this-> formats if ($this->isObjectType($node->var, new ObjectType('PHPUnit\\Framework\\TestCase'))) { return null; } $classLike = $this->betterNodeFinder->findParentType($node, ClassLike::class); if (!$classLike instanceof ClassLike) { return null; } $className = (string) $this->nodeNameResolver->getName($classLike); if (!$this->reflectionProvider->hasClass($className)) { return null; } $classReflection = $this->reflectionProvider->getClass($className); $isStaticMethod = $this->staticAnalyzer->isStaticMethod($classReflection, $methodName); if (!$isStaticMethod) { return null; } $objectReference = $this->resolveClassSelf($node); return $this->nodeFactory->createStaticCall($objectReference, $methodName, $node->args); } /** * @return ObjectReference::STATIC|ObjectReference::SELF */ private function resolveClassSelf(MethodCall $methodCall) : string { $classLike = $this->betterNodeFinder->findParentType($methodCall, Class_::class); if (!$classLike instanceof Class_) { return ObjectReference::STATIC; } if ($classLike->isFinal()) { return ObjectReference::SELF; } $methodReflection = $this->reflectionResolver->resolveMethodReflectionFromMethodCall($methodCall); if (!$methodReflection instanceof PhpMethodReflection) { return ObjectReference::STATIC; } if (!$methodReflection->isPrivate()) { return ObjectReference::STATIC; } return ObjectReference::SELF; } }
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