mirror of https://github.com/rectorphp/rector.git
68 lines
2.4 KiB
PHP
68 lines
2.4 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\Core\NodeManipulator;
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use PhpParser\Node;
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use PhpParser\Node\Expr\Assign;
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use PhpParser\Node\Stmt\Class_;
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use PhpParser\Node\Stmt\ClassMethod;
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use PhpParser\Node\Stmt\Function_;
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use PhpParser\Node\Stmt\Property;
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use PhpParser\NodeTraverser;
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use Rector\Core\NodeAnalyzer\PropertyFetchAnalyzer;
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use Rector\Core\ValueObject\MethodName;
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use Rector\NodeNameResolver\NodeNameResolver;
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use Rector\PhpDocParser\NodeTraverser\SimpleCallableNodeTraverser;
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final class PropertyFetchAssignManipulator
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{
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/**
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* @readonly
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* @var \Rector\PhpDocParser\NodeTraverser\SimpleCallableNodeTraverser
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*/
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private $simpleCallableNodeTraverser;
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/**
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* @readonly
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* @var \Rector\NodeNameResolver\NodeNameResolver
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*/
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private $nodeNameResolver;
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/**
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* @readonly
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* @var \Rector\Core\NodeAnalyzer\PropertyFetchAnalyzer
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*/
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private $propertyFetchAnalyzer;
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public function __construct(SimpleCallableNodeTraverser $simpleCallableNodeTraverser, NodeNameResolver $nodeNameResolver, PropertyFetchAnalyzer $propertyFetchAnalyzer)
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{
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$this->simpleCallableNodeTraverser = $simpleCallableNodeTraverser;
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$this->nodeNameResolver = $nodeNameResolver;
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$this->propertyFetchAnalyzer = $propertyFetchAnalyzer;
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}
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public function isAssignedMultipleTimesInConstructor(Class_ $class, Property $property) : bool
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{
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$classMethod = $class->getMethod(MethodName::CONSTRUCT);
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if (!$classMethod instanceof ClassMethod) {
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return \false;
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}
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$count = 0;
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$propertyName = $this->nodeNameResolver->getName($property);
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$this->simpleCallableNodeTraverser->traverseNodesWithCallable((array) $classMethod->getStmts(), function (Node $node) use($propertyName, &$count) : ?int {
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// skip anonymous classes and inner function
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if ($node instanceof Class_ || $node instanceof Function_) {
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return NodeTraverser::DONT_TRAVERSE_CURRENT_AND_CHILDREN;
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}
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if (!$node instanceof Assign) {
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return null;
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}
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if (!$this->propertyFetchAnalyzer->isLocalPropertyFetchName($node->var, $propertyName)) {
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return null;
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}
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++$count;
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if ($count === 2) {
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return NodeTraverser::STOP_TRAVERSAL;
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}
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return null;
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});
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return $count === 2;
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}
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}
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