mirror of https://github.com/rectorphp/rector.git
358 lines
14 KiB
PHP
358 lines
14 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\Core\Rector;
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use PhpParser\Node;
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use PhpParser\Node\Arg;
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use PhpParser\Node\Expr;
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use PhpParser\Node\Stmt;
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use PhpParser\Node\Stmt\Expression;
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use PhpParser\Node\Stmt\Nop;
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use PhpParser\NodeTraverser;
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use PhpParser\NodeVisitor\ParentConnectingVisitor;
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use PhpParser\NodeVisitorAbstract;
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use PHPStan\Type\ObjectType;
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use PHPStan\Type\Type;
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use Rector\BetterPhpDocParser\PhpDocInfo\PhpDocInfoFactory;
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use Rector\ChangesReporting\ValueObject\RectorWithLineChange;
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use Rector\Core\Application\ChangedNodeScopeRefresher;
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use Rector\Core\Configuration\CurrentNodeProvider;
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use Rector\Core\Console\Output\RectorOutputStyle;
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use Rector\Core\Contract\Rector\PhpRectorInterface;
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use Rector\Core\Exception\ShouldNotHappenException;
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use Rector\Core\Exclusion\ExclusionManager;
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use Rector\Core\Logging\CurrentRectorProvider;
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use Rector\Core\NodeDecorator\CreatedByRuleDecorator;
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use Rector\Core\PhpParser\Comparing\NodeComparator;
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use Rector\Core\PhpParser\Node\BetterNodeFinder;
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use Rector\Core\PhpParser\Node\NodeFactory;
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use Rector\Core\PhpParser\Node\Value\ValueResolver;
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use Rector\Core\ProcessAnalyzer\RectifiedAnalyzer;
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use Rector\Core\Provider\CurrentFileProvider;
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use Rector\Core\ValueObject\Application\File;
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use Rector\Core\ValueObject\RectifiedNode;
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use Rector\NodeNameResolver\NodeNameResolver;
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use Rector\NodeRemoval\NodeRemover;
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use Rector\NodeTypeResolver\Node\AttributeKey;
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use Rector\NodeTypeResolver\NodeTypeResolver;
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use Rector\PostRector\Collector\NodesToRemoveCollector;
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use Rector\StaticTypeMapper\StaticTypeMapper;
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use RectorPrefix202207\Symfony\Contracts\Service\Attribute\Required;
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use RectorPrefix202207\Symplify\Astral\NodeTraverser\SimpleCallableNodeTraverser;
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use RectorPrefix202207\Symplify\Skipper\Skipper\Skipper;
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abstract class AbstractRector extends NodeVisitorAbstract implements PhpRectorInterface
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{
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/**
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* @var string
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*/
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private const EMPTY_NODE_ARRAY_MESSAGE = <<<CODE_SAMPLE
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Array of nodes cannot be empty. Ensure "%s->refactor()" returns non-empty array for Nodes.
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A) Return null for no change:
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return null;
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B) Remove the Node:
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\$this->removeNode(\$node);
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return \$node;
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CODE_SAMPLE;
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/**
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* @var \Rector\NodeNameResolver\NodeNameResolver
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*/
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protected $nodeNameResolver;
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/**
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* @var \Rector\NodeTypeResolver\NodeTypeResolver
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*/
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protected $nodeTypeResolver;
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/**
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* @var \Rector\StaticTypeMapper\StaticTypeMapper
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*/
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protected $staticTypeMapper;
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/**
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* @var \Rector\BetterPhpDocParser\PhpDocInfo\PhpDocInfoFactory
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*/
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protected $phpDocInfoFactory;
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/**
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* @var \Rector\Core\PhpParser\Node\NodeFactory
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*/
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protected $nodeFactory;
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/**
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* @var \Rector\Core\PhpParser\Node\Value\ValueResolver
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*/
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protected $valueResolver;
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/**
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* @var \Rector\Core\PhpParser\Node\BetterNodeFinder
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*/
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protected $betterNodeFinder;
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/**
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* @var \Rector\NodeRemoval\NodeRemover
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*/
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protected $nodeRemover;
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/**
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* @var \Rector\Core\PhpParser\Comparing\NodeComparator
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*/
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protected $nodeComparator;
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/**
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* @var \Rector\Core\ValueObject\Application\File
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*/
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protected $file;
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/**
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* @var \Rector\Core\Application\ChangedNodeScopeRefresher
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*/
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protected $changedNodeScopeRefresher;
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/**
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* @var \Rector\PostRector\Collector\NodesToRemoveCollector
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*/
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private $nodesToRemoveCollector;
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/**
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* @var \Symplify\Astral\NodeTraverser\SimpleCallableNodeTraverser
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*/
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private $simpleCallableNodeTraverser;
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/**
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* @var \Rector\Core\Exclusion\ExclusionManager
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*/
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private $exclusionManager;
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/**
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* @var \Rector\Core\Logging\CurrentRectorProvider
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*/
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private $currentRectorProvider;
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/**
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* @var \Rector\Core\Configuration\CurrentNodeProvider
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*/
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private $currentNodeProvider;
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/**
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* @var \Symplify\Skipper\Skipper\Skipper
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*/
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private $skipper;
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/**
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* @var \Rector\Core\Provider\CurrentFileProvider
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*/
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private $currentFileProvider;
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/**
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* @var array<string, Node[]|Node>
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*/
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private $nodesToReturn = [];
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/**
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* @var \Rector\Core\ProcessAnalyzer\RectifiedAnalyzer
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*/
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private $rectifiedAnalyzer;
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/**
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* @var \Rector\Core\NodeDecorator\CreatedByRuleDecorator
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*/
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private $createdByRuleDecorator;
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/**
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* @var \Rector\Core\Console\Output\RectorOutputStyle
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*/
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private $rectorOutputStyle;
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/**
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* @required
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*/
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public function autowire(NodesToRemoveCollector $nodesToRemoveCollector, NodeRemover $nodeRemover, NodeNameResolver $nodeNameResolver, NodeTypeResolver $nodeTypeResolver, SimpleCallableNodeTraverser $simpleCallableNodeTraverser, NodeFactory $nodeFactory, PhpDocInfoFactory $phpDocInfoFactory, ExclusionManager $exclusionManager, StaticTypeMapper $staticTypeMapper, CurrentRectorProvider $currentRectorProvider, CurrentNodeProvider $currentNodeProvider, Skipper $skipper, ValueResolver $valueResolver, BetterNodeFinder $betterNodeFinder, NodeComparator $nodeComparator, CurrentFileProvider $currentFileProvider, RectifiedAnalyzer $rectifiedAnalyzer, CreatedByRuleDecorator $createdByRuleDecorator, ChangedNodeScopeRefresher $changedNodeScopeRefresher, RectorOutputStyle $rectorOutputStyle) : void
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{
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$this->nodesToRemoveCollector = $nodesToRemoveCollector;
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$this->nodeRemover = $nodeRemover;
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$this->nodeNameResolver = $nodeNameResolver;
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$this->nodeTypeResolver = $nodeTypeResolver;
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$this->simpleCallableNodeTraverser = $simpleCallableNodeTraverser;
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$this->nodeFactory = $nodeFactory;
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$this->phpDocInfoFactory = $phpDocInfoFactory;
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$this->exclusionManager = $exclusionManager;
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$this->staticTypeMapper = $staticTypeMapper;
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$this->currentRectorProvider = $currentRectorProvider;
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$this->currentNodeProvider = $currentNodeProvider;
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$this->skipper = $skipper;
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$this->valueResolver = $valueResolver;
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$this->betterNodeFinder = $betterNodeFinder;
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$this->nodeComparator = $nodeComparator;
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$this->currentFileProvider = $currentFileProvider;
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$this->rectifiedAnalyzer = $rectifiedAnalyzer;
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$this->createdByRuleDecorator = $createdByRuleDecorator;
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$this->changedNodeScopeRefresher = $changedNodeScopeRefresher;
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$this->rectorOutputStyle = $rectorOutputStyle;
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}
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/**
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* @return Node[]|null
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*/
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public function beforeTraverse(array $nodes) : ?array
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{
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// workaround for file around refactor()
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$file = $this->currentFileProvider->getFile();
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if (!$file instanceof File) {
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throw new ShouldNotHappenException('File object is missing. Make sure you call $this->currentFileProvider->setFile(...) before traversing.');
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}
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$this->file = $file;
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return parent::beforeTraverse($nodes);
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}
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/**
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* @return Node|null
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*/
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public final function enterNode(Node $node)
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{
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$nodeClass = \get_class($node);
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if (!$this->isMatchingNodeType($nodeClass)) {
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return null;
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}
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if ($this->shouldSkipCurrentNode($node)) {
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return null;
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}
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$this->currentRectorProvider->changeCurrentRector($this);
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// for PHP doc info factory and change notifier
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$this->currentNodeProvider->setNode($node);
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$this->printDebugCurrentFileAndRule();
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$refactoredNode = $this->refactor($node);
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// nothing to change → continue
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if ($refactoredNode === null) {
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return null;
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}
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if ($refactoredNode === []) {
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$errorMessage = \sprintf(self::EMPTY_NODE_ARRAY_MESSAGE, static::class);
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throw new ShouldNotHappenException($errorMessage);
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}
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/** @var Node $originalNode */
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$originalNode = $node->getAttribute(AttributeKey::ORIGINAL_NODE) ?? $node;
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/** @var Node[]|Node $refactoredNode */
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$this->createdByRuleDecorator->decorate($refactoredNode, $originalNode, static::class);
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$rectorWithLineChange = new RectorWithLineChange(\get_class($this), $originalNode->getLine());
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$this->file->addRectorClassWithLine($rectorWithLineChange);
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if (\is_array($refactoredNode)) {
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$originalNodeHash = \spl_object_hash($originalNode);
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$this->nodesToReturn[$originalNodeHash] = $refactoredNode;
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\reset($refactoredNode);
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$firstNodeKey = \key($refactoredNode);
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$this->mirrorComments($refactoredNode[$firstNodeKey], $originalNode);
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// will be replaced in leaveNode() the original node must be passed
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return $originalNode;
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}
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if ($node->hasAttribute(AttributeKey::PARENT_NODE)) {
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// update parents relations - must run before connectParentNodes()
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$refactoredNode->setAttribute(AttributeKey::PARENT_NODE, $node->getAttribute(AttributeKey::PARENT_NODE));
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$this->connectParentNodes($refactoredNode);
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}
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$currentScope = $originalNode->getAttribute(AttributeKey::SCOPE);
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$this->changedNodeScopeRefresher->refresh($refactoredNode, $currentScope, $this->file->getSmartFileInfo());
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// is equals node type? return node early
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if (\get_class($originalNode) === \get_class($refactoredNode)) {
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return $refactoredNode;
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}
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// search "infinite recursion" in https://github.com/nikic/PHP-Parser/blob/master/doc/component/Walking_the_AST.markdown
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$originalNodeHash = \spl_object_hash($originalNode);
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$refactoredNode = $originalNode instanceof Stmt && $refactoredNode instanceof Expr ? new Expression($refactoredNode) : $refactoredNode;
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$this->nodesToReturn[$originalNodeHash] = $refactoredNode;
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return $refactoredNode;
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}
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/**
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* Replacing nodes in leaveNode() method avoids infinite recursion
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* see"infinite recursion" in https://github.com/nikic/PHP-Parser/blob/master/doc/component/Walking_the_AST.markdown
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*/
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public function leaveNode(Node $node)
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{
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$objectHash = \spl_object_hash($node);
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// update parents relations!!!
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return $this->nodesToReturn[$objectHash] ?? $node;
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}
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protected function isName(Node $node, string $name) : bool
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{
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return $this->nodeNameResolver->isName($node, $name);
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}
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/**
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* @param string[] $names
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*/
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protected function isNames(Node $node, array $names) : bool
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{
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return $this->nodeNameResolver->isNames($node, $names);
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}
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protected function getName(Node $node) : ?string
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{
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return $this->nodeNameResolver->getName($node);
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}
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protected function isObjectType(Node $node, ObjectType $objectType) : bool
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{
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return $this->nodeTypeResolver->isObjectType($node, $objectType);
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}
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/**
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* Use this method for getting expr|node type
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*/
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protected function getType(Node $node) : Type
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{
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return $this->nodeTypeResolver->getType($node);
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}
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/**
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* @param \PhpParser\Node|mixed[] $nodes
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* @param callable(Node $node): (Node|null|int) $callable
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*/
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protected function traverseNodesWithCallable($nodes, callable $callable) : void
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{
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$this->simpleCallableNodeTraverser->traverseNodesWithCallable($nodes, $callable);
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}
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protected function mirrorComments(Node $newNode, Node $oldNode) : void
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{
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if ($this->nodeComparator->areSameNode($newNode, $oldNode)) {
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return;
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}
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$newNode->setAttribute(AttributeKey::PHP_DOC_INFO, $oldNode->getAttribute(AttributeKey::PHP_DOC_INFO));
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if (!$newNode instanceof Nop) {
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$newNode->setAttribute(AttributeKey::COMMENTS, $oldNode->getAttribute(AttributeKey::COMMENTS));
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}
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}
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/**
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* @param Arg[] $currentArgs
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* @param Arg[] $appendingArgs
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* @return Arg[]
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*/
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protected function appendArgs(array $currentArgs, array $appendingArgs) : array
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{
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foreach ($appendingArgs as $appendingArg) {
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$currentArgs[] = new Arg($appendingArg->value);
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}
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return $currentArgs;
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}
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protected function removeNode(Node $node) : void
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{
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$this->nodeRemover->removeNode($node);
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}
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/**
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* @param class-string<Node> $nodeClass
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*/
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private function isMatchingNodeType(string $nodeClass) : bool
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{
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foreach ($this->getNodeTypes() as $nodeType) {
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if (\is_a($nodeClass, $nodeType, \true)) {
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return \true;
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}
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}
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return \false;
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}
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private function shouldSkipCurrentNode(Node $node) : bool
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{
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if ($this->nodesToRemoveCollector->isNodeRemoved($node)) {
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return \true;
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}
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if ($this->exclusionManager->isNodeSkippedByRector($node, static::class)) {
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return \true;
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}
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$smartFileInfo = $this->file->getSmartFileInfo();
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if ($this->skipper->shouldSkipElementAndFileInfo($this, $smartFileInfo)) {
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return \true;
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}
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$rectifiedNode = $this->rectifiedAnalyzer->verify(static::class, $node, $smartFileInfo);
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return $rectifiedNode instanceof RectifiedNode;
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}
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private function connectParentNodes(Node $node) : void
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{
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$nodeTraverser = new NodeTraverser();
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$nodeTraverser->addVisitor(new ParentConnectingVisitor());
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$nodeTraverser->traverse([$node]);
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}
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private function printDebugCurrentFileAndRule() : void
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{
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if (!$this->rectorOutputStyle->isDebug()) {
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return;
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}
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$this->rectorOutputStyle->writeln('[file] ' . $this->file->getRelativeFilePath());
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$this->rectorOutputStyle->writeln('[rule] ' . static::class);
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$this->rectorOutputStyle->newLine(1);
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}
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}
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