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<?php declare (strict_types=1); namespace Rector\Core\Application; use PhpParser\Node; use PhpParser\Node\Attribute; use PhpParser\Node\AttributeGroup; use PhpParser\Node\Expr; use PhpParser\Node\Expr\CallLike; use PhpParser\Node\Expr\Closure; use PhpParser\Node\Expr\FuncCall; use PhpParser\Node\Expr\MethodCall; use PhpParser\Node\Expr\New_; use PhpParser\Node\Expr\NullsafeMethodCall; use PhpParser\Node\Expr\StaticCall; use PhpParser\Node\FunctionLike; use PhpParser\Node\Stmt; use PhpParser\Node\Stmt\ClassLike; use PhpParser\Node\Stmt\ClassMethod; use PhpParser\Node\Stmt\Expression; use PhpParser\Node\Stmt\Function_; use PhpParser\Node\Stmt\If_; use PhpParser\Node\Stmt\Namespace_; use PhpParser\Node\Stmt\Property; use PhpParser\Node\Stmt\Switch_; use PhpParser\Node\Stmt\TryCatch; use PHPStan\Analyser\MutatingScope; use Rector\Core\Contract\PhpParser\Node\StmtsAwareInterface; use Rector\Core\Exception\ShouldNotHappenException; use Rector\Core\NodeAnalyzer\ScopeAnalyzer; use Rector\Core\PhpParser\Node\CustomNode\FileWithoutNamespace; use Rector\Core\Provider\CurrentFileProvider; use Rector\Core\ValueObject\Application\File; use Rector\NodeTypeResolver\Node\AttributeKey; use Rector\NodeTypeResolver\PHPStan\Scope\PHPStanNodeScopeResolver; use Rector\NodeTypeResolver\PHPStan\Scope\ScopeFactory; use RectorPrefix202208\Symplify\SmartFileSystem\SmartFileInfo; /** * In case of changed node, we need to re-traverse the PHPStan Scope to make all the new nodes aware of what is going on. */ final class ChangedNodeScopeRefresher { /** * @readonly * @var \Rector\NodeTypeResolver\PHPStan\Scope\PHPStanNodeScopeResolver */ private $phpStanNodeScopeResolver; /** * @readonly * @var \Rector\Core\NodeAnalyzer\ScopeAnalyzer */ private $scopeAnalyzer; /** * @readonly * @var \Rector\Core\Provider\CurrentFileProvider */ private $currentFileProvider; /** * @readonly * @var \Rector\NodeTypeResolver\PHPStan\Scope\ScopeFactory */ private $scopeFactory; public function __construct(PHPStanNodeScopeResolver $phpStanNodeScopeResolver, ScopeAnalyzer $scopeAnalyzer, CurrentFileProvider $currentFileProvider, ScopeFactory $scopeFactory) { $this->phpStanNodeScopeResolver = $phpStanNodeScopeResolver; $this->scopeAnalyzer = $scopeAnalyzer; $this->currentFileProvider = $currentFileProvider; $this->scopeFactory = $scopeFactory; } public function refresh(Node $node, ?MutatingScope $mutatingScope, ?SmartFileInfo $smartFileInfo = null) : void { // nothing to refresh if (!$this->scopeAnalyzer->hasScope($node)) { return; } if (!$smartFileInfo instanceof SmartFileInfo) { /** @var File $file */ $file = $this->currentFileProvider->getFile(); $smartFileInfo = $file->getSmartFileInfo(); } if ($this->scopeAnalyzer->isScopeResolvableFromFile($node, $mutatingScope)) { $mutatingScope = $this->scopeFactory->createFromFile($smartFileInfo); } $parent = $node->getAttribute(AttributeKey::PARENT_NODE); if (!$mutatingScope instanceof MutatingScope && $node instanceof Expr && $parent instanceof Node) { $mutatingScope = $parent->getAttribute(AttributeKey::SCOPE); } if (!$mutatingScope instanceof MutatingScope) { $errorMessage = \sprintf('Node "%s" with parent of "%s" is missing scope required for scope refresh.', \get_class($node), \get_class($parent)); throw new ShouldNotHappenException($errorMessage); } // note from flight: when we traverse ClassMethod, the scope must be already in Class_, otherwise it crashes // so we need to somehow get a parent scope that is already in the same place the $node is if ($node instanceof Attribute) { // we'll have to fake-traverse 2 layers up, as PHPStan skips Scope for AttributeGroups and consequently Attributes $attributeGroup = new AttributeGroup([$node]); $node = new Property(0, [], [], null, [$attributeGroup]); } $this->reIndexNodeAttributes($node); $stmts = $this->resolveStmts($node); $this->phpStanNodeScopeResolver->processNodes($stmts, $smartFileInfo, $mutatingScope); } private function reIndexNodeAttributes(Node $node) : void { if (($node instanceof FileWithoutNamespace || $node instanceof Namespace_ || $node instanceof ClassLike || $node instanceof StmtsAwareInterface) && $node->stmts !== null) { $node->stmts = \array_values($node->stmts); } if ($node instanceof FunctionLike) { /** @var ClassMethod|Function_|Closure $node */ $node->params = \array_values($node->params); if ($node instanceof Closure) { $node->uses = \array_values($node->uses); } } if ($node instanceof CallLike) { /** @var FuncCall|MethodCall|New_|NullsafeMethodCall|StaticCall $node */ $node->args = \array_values($node->args); } if ($node instanceof If_) { $node->elseifs = \array_values($node->elseifs); } if ($node instanceof TryCatch) { $node->catches = \array_values($node->catches); } if ($node instanceof Switch_) { $node->cases = \array_values($node->cases); } } /** * @return Stmt[] */ private function resolveStmts(Node $node) : array { if ($node instanceof Stmt) { return [$node]; } if ($node instanceof Expr) { return [new Expression($node)]; } $errorMessage = \sprintf('Complete parent node of "%s" be a stmt.', \get_class($node)); throw new ShouldNotHappenException($errorMessage); } }
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