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//opt/cpanel/ea-wappspector/vendor/rector/rector/rules/DeadCode/Rector/ClassMethod/RemoveEmptyClassMethodRector.php
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<?php declare (strict_types=1); namespace Rector\DeadCode\Rector\ClassMethod; use PhpParser\Node; use PhpParser\Node\Expr\MethodCall; use PhpParser\Node\Expr\Variable; use PhpParser\Node\Name\FullyQualified; use PhpParser\Node\Stmt\Class_; use PhpParser\Node\Stmt\ClassMethod; use PHPStan\PhpDocParser\Ast\PhpDoc\DeprecatedTagValueNode; use Rector\BetterPhpDocParser\PhpDocInfo\PhpDocInfo; use Rector\BetterPhpDocParser\PhpDocInfo\PhpDocInfoFactory; use Rector\DeadCode\NodeManipulator\ControllerClassMethodManipulator; use Rector\NodeAnalyzer\ParamAnalyzer; use Rector\NodeManipulator\ClassMethodManipulator; use Rector\PhpParser\Node\BetterNodeFinder; use Rector\Rector\AbstractRector; use Rector\ValueObject\MethodName; use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample; use Symplify\RuleDocGenerator\ValueObject\RuleDefinition; /** * @see \Rector\Tests\DeadCode\Rector\ClassMethod\RemoveEmptyClassMethodRector\RemoveEmptyClassMethodRectorTest */ final class RemoveEmptyClassMethodRector extends AbstractRector { /** * @readonly * @var \Rector\NodeManipulator\ClassMethodManipulator */ private $classMethodManipulator; /** * @readonly * @var \Rector\DeadCode\NodeManipulator\ControllerClassMethodManipulator */ private $controllerClassMethodManipulator; /** * @readonly * @var \Rector\NodeAnalyzer\ParamAnalyzer */ private $paramAnalyzer; /** * @readonly * @var \Rector\BetterPhpDocParser\PhpDocInfo\PhpDocInfoFactory */ private $phpDocInfoFactory; /** * @readonly * @var \Rector\PhpParser\Node\BetterNodeFinder */ private $betterNodeFinder; public function __construct(ClassMethodManipulator $classMethodManipulator, ControllerClassMethodManipulator $controllerClassMethodManipulator, ParamAnalyzer $paramAnalyzer, PhpDocInfoFactory $phpDocInfoFactory, BetterNodeFinder $betterNodeFinder) { $this->classMethodManipulator = $classMethodManipulator; $this->controllerClassMethodManipulator = $controllerClassMethodManipulator; $this->paramAnalyzer = $paramAnalyzer; $this->phpDocInfoFactory = $phpDocInfoFactory; $this->betterNodeFinder = $betterNodeFinder; } public function getRuleDefinition() : RuleDefinition { return new RuleDefinition('Remove empty class methods not required by parents', [new CodeSample(<<<'CODE_SAMPLE' class OrphanClass { public function __construct() { } } CODE_SAMPLE , <<<'CODE_SAMPLE' class OrphanClass { } CODE_SAMPLE )]); } /** * @return array<class-string<Node>> */ public function getNodeTypes() : array { return [Class_::class]; } /** * @param Class_ $node */ public function refactor(Node $node) : ?Class_ { $hasChanged = \false; foreach ($node->stmts as $key => $stmt) { if (!$stmt instanceof ClassMethod) { continue; } if ($stmt->stmts !== null && $stmt->stmts !== []) { continue; } if ($stmt->isAbstract()) { continue; } if ($stmt->isFinal() && !$node->isFinal()) { continue; } if ($this->shouldSkipNonFinalNonPrivateClassMethod($node, $stmt)) { continue; } if ($this->shouldSkipClassMethod($node, $stmt)) { continue; } unset($node->stmts[$key]); $hasChanged = \true; } if ($hasChanged) { return $node; } return null; } private function shouldSkipNonFinalNonPrivateClassMethod(Class_ $class, ClassMethod $classMethod) : bool { if ($class->isFinal()) { return \false; } if ($classMethod->isMagic()) { return \false; } if ($classMethod->isProtected()) { return \true; } return $classMethod->isPublic(); } private function shouldSkipClassMethod(Class_ $class, ClassMethod $classMethod) : bool { $desiredClassMethodName = $this->getName($classMethod); // is method called somewhere else in the class? foreach ($class->getMethods() as $anotherClassMethod) { if ($anotherClassMethod === $classMethod) { continue; } if ($this->containsMethodCall($anotherClassMethod, $desiredClassMethodName)) { return \true; } } if ($this->classMethodManipulator->isNamedConstructor($classMethod)) { return \true; } if ($this->classMethodManipulator->hasParentMethodOrInterfaceMethod($class, $classMethod->name->toString())) { return \true; } if ($this->paramAnalyzer->hasPropertyPromotion($classMethod->params)) { return \true; } if ($this->hasDeprecatedAnnotation($classMethod)) { return \true; } if ($this->controllerClassMethodManipulator->isControllerClassMethod($class, $classMethod)) { return \true; } if ($this->nodeNameResolver->isName($classMethod, MethodName::CONSTRUCT)) { // has parent class? return $class->extends instanceof FullyQualified; } return $this->nodeNameResolver->isName($classMethod, MethodName::INVOKE); } private function hasDeprecatedAnnotation(ClassMethod $classMethod) : bool { $phpDocInfo = $this->phpDocInfoFactory->createFromNode($classMethod); if (!$phpDocInfo instanceof PhpDocInfo) { return \false; } return $phpDocInfo->hasByType(DeprecatedTagValueNode::class); } private function containsMethodCall(ClassMethod $anotherClassMethod, string $desiredClassMethodName) : bool { return (bool) $this->betterNodeFinder->findFirst($anotherClassMethod, function (Node $node) use($desiredClassMethodName) : bool { if (!$node instanceof MethodCall) { return \false; } if (!$node->var instanceof Variable) { return \false; } if (!$this->isName($node->var, 'this')) { return \false; } return $this->isName($node->name, $desiredClassMethodName); }); } }
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RemoveEmptyClassMethodRector.php
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RemoveNullTagValueNodeRector.php
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RemoveUnusedConstructorParamRector.php
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RemoveUnusedPrivateMethodParameterRector.php
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RemoveUnusedPrivateMethodRector.php
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RemoveUnusedPromotedPropertyRector.php
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RemoveUnusedPublicMethodParameterRector.php
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RemoveUselessParamTagRector.php
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RemoveUselessReturnExprInConstructRector.php
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RemoveUselessReturnTagRector.php
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