,RectorInterface[]> */ private $visitorsPerNodeClass = []; /** * @param RectorInterface[] $rectors */ public function __construct(array $rectors, PhpVersionedFilter $phpVersionedFilter) { $this->rectors = $rectors; $this->phpVersionedFilter = $phpVersionedFilter; parent::__construct(); } /** * @param Stmt[] $nodes * @return Stmt[] */ public function traverse(array $nodes) : array { $this->prepareNodeVisitors(); return parent::traverse($nodes); } /** * @param RectorInterface[] $rectors * @api used in tests to update the active rules */ public function refreshPhpRectors(array $rectors) : void { $this->rectors = $rectors; $this->visitors = []; $this->visitorsPerNodeClass = []; $this->areNodeVisitorsPrepared = \false; } /** * We return the list of visitors (rector rules) that can be applied to each node class * This list is cached so that we don't need to continually check if a rule can be applied to a node * * @return NodeVisitor[] */ public function getVisitorsForNode(Node $node) : array { $nodeClass = \get_class($node); if (!isset($this->visitorsPerNodeClass[$nodeClass])) { $this->visitorsPerNodeClass[$nodeClass] = []; foreach ($this->visitors as $visitor) { \assert($visitor instanceof RectorInterface); foreach ($visitor->getNodeTypes() as $nodeType) { if (\is_a($nodeClass, $nodeType, \true)) { $this->visitorsPerNodeClass[$nodeClass][] = $visitor; continue 2; } } } } return $this->visitorsPerNodeClass[$nodeClass]; } /** * This must happen after $this->configuration is set after ProcessCommand::execute() is run, * otherwise we get default false positives. * * This hack should be removed after https://github.com/rectorphp/rector/issues/5584 is resolved */ private function prepareNodeVisitors() : void { if ($this->areNodeVisitorsPrepared) { return; } // filer out by version $this->visitors = $this->phpVersionedFilter->filter($this->rectors); $this->areNodeVisitorsPrepared = \true; } }