rector/packages/NodeTypeResolver/NodeTypeResolver/PropertyFetchTypeResolver.php

115 lines
3.9 KiB
PHP

<?php
declare (strict_types=1);
namespace Rector\NodeTypeResolver\NodeTypeResolver;
use PhpParser\Node;
use PhpParser\Node\Expr\PropertyFetch;
use PhpParser\Node\Stmt\ClassLike;
use PHPStan\Analyser\Scope;
use PHPStan\Reflection\ReflectionProvider;
use PHPStan\Type\MixedType;
use PHPStan\Type\ObjectType;
use PHPStan\Type\Type;
use Rector\Core\PhpParser\Node\BetterNodeFinder;
use Rector\NodeNameResolver\NodeNameResolver;
use Rector\NodeTypeResolver\Contract\NodeTypeResolverInterface;
use Rector\NodeTypeResolver\Node\AttributeKey;
use Rector\NodeTypeResolver\NodeTypeResolver;
use RectorPrefix202305\Symfony\Contracts\Service\Attribute\Required;
/**
* @see \Rector\Tests\NodeTypeResolver\PerNodeTypeResolver\PropertyFetchTypeResolver\PropertyFetchTypeResolverTest
*
* @implements NodeTypeResolverInterface<PropertyFetch>
*/
final class PropertyFetchTypeResolver implements NodeTypeResolverInterface
{
/**
* @var \Rector\NodeTypeResolver\NodeTypeResolver
*/
private $nodeTypeResolver;
/**
* @readonly
* @var \Rector\NodeNameResolver\NodeNameResolver
*/
private $nodeNameResolver;
/**
* @readonly
* @var \PHPStan\Reflection\ReflectionProvider
*/
private $reflectionProvider;
/**
* @readonly
* @var \Rector\Core\PhpParser\Node\BetterNodeFinder
*/
private $betterNodeFinder;
public function __construct(NodeNameResolver $nodeNameResolver, ReflectionProvider $reflectionProvider, BetterNodeFinder $betterNodeFinder)
{
$this->nodeNameResolver = $nodeNameResolver;
$this->reflectionProvider = $reflectionProvider;
$this->betterNodeFinder = $betterNodeFinder;
}
/**
* @required
*/
public function autowire(NodeTypeResolver $nodeTypeResolver) : void
{
$this->nodeTypeResolver = $nodeTypeResolver;
}
/**
* @return array<class-string<Node>>
*/
public function getNodeClasses() : array
{
return [PropertyFetch::class];
}
/**
* @param PropertyFetch $node
*/
public function resolve(Node $node) : Type
{
// compensate 3rd party non-analysed property reflection
$vendorPropertyType = $this->getVendorPropertyFetchType($node);
if (!$vendorPropertyType instanceof MixedType) {
return $vendorPropertyType;
}
$scope = $node->getAttribute(AttributeKey::SCOPE);
if (!$scope instanceof Scope) {
$classLike = $this->betterNodeFinder->findParentType($node, ClassLike::class);
// fallback to class, since property fetches are not scoped by PHPStan
if ($classLike instanceof ClassLike) {
$scope = $classLike->getAttribute(AttributeKey::SCOPE);
}
if (!$scope instanceof Scope) {
return new MixedType();
}
}
return $scope->getType($node);
}
private function getVendorPropertyFetchType(PropertyFetch $propertyFetch) : Type
{
// 3rd party code
$propertyName = $this->nodeNameResolver->getName($propertyFetch->name);
if ($propertyName === null) {
return new MixedType();
}
$varType = $this->nodeTypeResolver->getType($propertyFetch->var);
if (!$varType instanceof ObjectType) {
return new MixedType();
}
if (!$this->reflectionProvider->hasClass($varType->getClassName())) {
return new MixedType();
}
$classReflection = $this->reflectionProvider->getClass($varType->getClassName());
if (!$classReflection->hasProperty($propertyName)) {
return new MixedType();
}
$propertyFetchScope = $propertyFetch->getAttribute(AttributeKey::SCOPE);
if (!$propertyFetchScope instanceof Scope) {
return new MixedType();
}
$propertyReflection = $classReflection->getProperty($propertyName, $propertyFetchScope);
return $propertyReflection->getReadableType();
}
}