*/
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;
}
}