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<?php
declare (strict_types=1);
namespace Rector\Core\NodeManipulator;
use PhpParser\Node;
use PhpParser\Node\Expr\Assign;
use PhpParser\Node\Stmt\ClassLike;
use PhpParser\Node\Stmt\ClassMethod;
use PhpParser\Node\Stmt\Property;
use PhpParser\NodeTraverser;
use Rector\Core\NodeAnalyzer\PropertyFetchAnalyzer;
use Rector\Core\PhpParser\Node\BetterNodeFinder;
use Rector\Core\ValueObject\MethodName;
use Rector\NodeNameResolver\NodeNameResolver;
use Rector\PhpDocParser\NodeTraverser\SimpleCallableNodeTraverser;
final class PropertyFetchAssignManipulator
{
/**
* @readonly
* @var \Rector\PhpDocParser\NodeTraverser\SimpleCallableNodeTraverser
*/
private $simpleCallableNodeTraverser;
/**
* @readonly
* @var \Rector\NodeNameResolver\NodeNameResolver
*/
private $nodeNameResolver;
/**
* @readonly
* @var \Rector\Core\PhpParser\Node\BetterNodeFinder
*/
private $betterNodeFinder;
/**
* @readonly
* @var \Rector\Core\NodeAnalyzer\PropertyFetchAnalyzer
*/
private $propertyFetchAnalyzer;
public function __construct(SimpleCallableNodeTraverser $simpleCallableNodeTraverser, NodeNameResolver $nodeNameResolver, BetterNodeFinder $betterNodeFinder, PropertyFetchAnalyzer $propertyFetchAnalyzer)
{
$this->simpleCallableNodeTraverser = $simpleCallableNodeTraverser;
$this->nodeNameResolver = $nodeNameResolver;
$this->betterNodeFinder = $betterNodeFinder;
$this->propertyFetchAnalyzer = $propertyFetchAnalyzer;
}
public function isAssignedMultipleTimesInConstructor(Property $property) : bool
{
$classLike = $this->betterNodeFinder->findParentType($property, ClassLike::class);
if (!$classLike instanceof ClassLike) {
return \false;
}
$classMethod = $classLike->getMethod(MethodName::CONSTRUCT);
if (!$classMethod instanceof ClassMethod) {
return \false;
}
$count = 0;
$propertyName = $this->nodeNameResolver->getName($property);
$this->simpleCallableNodeTraverser->traverseNodesWithCallable((array) $classMethod->getStmts(), function (Node $node) use($propertyName, $classLike, &$count) : ?int {
if (!$node instanceof Assign) {
return null;
}
if (!$this->propertyFetchAnalyzer->isLocalPropertyFetchName($node->var, $propertyName)) {
return null;
}
$parentClassLike = $this->betterNodeFinder->findParentType($node, ClassLike::class);
if ($parentClassLike !== $classLike) {
return null;
}
++$count;
if ($count === 2) {
return NodeTraverser::STOP_TRAVERSAL;
}
return null;
});
return $count === 2;
}
}