*/ final class NameTypeResolver implements NodeTypeResolverInterface { /** * @return array> */ public function getNodeClasses() : array { return [Name::class, FullyQualified::class]; } /** * @param Name $node */ public function resolve(Node $node) : Type { // not instanceof FullyQualified means it is a Name if (!$node instanceof FullyQualified && $node->hasAttribute(AttributeKey::NAMESPACED_NAME)) { return $this->resolve(new FullyQualified($node->getAttribute(AttributeKey::NAMESPACED_NAME))); } if ($node->toString() === ObjectReference::PARENT) { return $this->resolveParent($node); } $fullyQualifiedName = $this->resolveFullyQualifiedName($node); return new ObjectType($fullyQualifiedName); } /** * @param \PhpParser\Node\Name|\PhpParser\Node\Name\FullyQualified $node */ private function resolveClassReflection($node) : ?ClassReflection { $scope = $node->getAttribute(AttributeKey::SCOPE); if (!$scope instanceof Scope) { return null; } return $scope->getClassReflection(); } /** * @return \PHPStan\Type\MixedType|\PHPStan\Type\ObjectType|\PHPStan\Type\UnionType */ private function resolveParent(Name $name) { $classReflection = $this->resolveClassReflection($name); if (!$classReflection instanceof ClassReflection || !$classReflection->isClass()) { return new MixedType(); } if ($classReflection->isAnonymous()) { return new MixedType(); } $parentClassObjectTypes = []; foreach ($classReflection->getParents() as $parentClassReflection) { $parentClassObjectTypes[] = new ObjectType($parentClassReflection->getName()); } if ($parentClassObjectTypes === []) { return new MixedType(); } if (\count($parentClassObjectTypes) === 1) { return $parentClassObjectTypes[0]; } return new UnionType($parentClassObjectTypes); } private function resolveFullyQualifiedName(Name $name) : string { $nameValue = $name->toString(); if (\in_array($nameValue, [ObjectReference::SELF, ObjectReference::STATIC], \true)) { $classReflection = $this->resolveClassReflection($name); if (!$classReflection instanceof ClassReflection || $classReflection->isAnonymous()) { return $name->toString(); } return $classReflection->getName(); } return $nameValue; } }