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<?php
declare (strict_types=1);
namespace Rector\Core\NodeAnalyzer;
use PhpParser\Node;
use PhpParser\Node\Stmt\Property;
use PHPStan\Type\CallableType;
use PHPStan\Type\NullType;
use PHPStan\Type\Type;
use PHPStan\Type\TypeWithClassName;
use PHPStan\Type\UnionType;
use Rector\NodeTypeResolver\NodeTypeResolver;
use Rector\StaticTypeMapper\ValueObject\Type\NonExistingObjectType;
final class PropertyAnalyzer
{
/**
* @readonly
* @var \Rector\NodeTypeResolver\NodeTypeResolver
*/
private $nodeTypeResolver;
public function __construct(NodeTypeResolver $nodeTypeResolver)
{
$this->nodeTypeResolver = $nodeTypeResolver;
}
public function hasForbiddenType(Property $property) : bool
{
$propertyType = $this->nodeTypeResolver->getType($property);
if ($propertyType instanceof NullType) {
return \true;
}
if ($this->isForbiddenType($property, $propertyType)) {
return \true;
}
if (!$propertyType instanceof UnionType) {
return \false;
}
$types = $propertyType->getTypes();
foreach ($types as $type) {
if ($this->isForbiddenType($property, $type)) {
return \true;
}
}
return \false;
}
private function isForbiddenType(Property $property, Type $type) : bool
{
if ($type instanceof NonExistingObjectType) {
return \true;
}
return $this->isCallableType($property, $type);
}
private function isCallableType(Property $property, Type $type) : bool
{
if ($type instanceof TypeWithClassName && $type->getClassName() === 'Closure') {
return !$property->type instanceof Node;
}
return $type instanceof CallableType;
}
}