rector/packages/NodeTypeResolver/NodeTypeResolver/NameTypeResolver.php

112 lines
3.7 KiB
PHP

<?php
declare (strict_types=1);
namespace Rector\NodeTypeResolver\NodeTypeResolver;
use PhpParser\Node;
use PhpParser\Node\Name;
use PhpParser\Node\Name\FullyQualified;
use PhpParser\Node\Stmt\Class_;
use PhpParser\Node\Stmt\ClassLike;
use PHPStan\Reflection\ReflectionProvider;
use PHPStan\Type\ArrayType;
use PHPStan\Type\MixedType;
use PHPStan\Type\ObjectType;
use PHPStan\Type\Type;
use PHPStan\Type\UnionType;
use Rector\Core\Enum\ObjectReference;
use Rector\Core\PhpParser\Node\BetterNodeFinder;
use Rector\NodeNameResolver\NodeNameResolver;
use Rector\NodeTypeResolver\Contract\NodeTypeResolverInterface;
/**
* @see \Rector\Tests\NodeTypeResolver\PerNodeTypeResolver\NameTypeResolver\NameTypeResolverTest
*
* @implements NodeTypeResolverInterface<Name|FullyQualified>
*/
final class NameTypeResolver implements NodeTypeResolverInterface
{
/**
* @readonly
* @var \PHPStan\Reflection\ReflectionProvider
*/
private $reflectionProvider;
/**
* @readonly
* @var \Rector\Core\PhpParser\Node\BetterNodeFinder
*/
private $betterNodeFinder;
/**
* @readonly
* @var \Rector\NodeNameResolver\NodeNameResolver
*/
private $nodeNameResolver;
public function __construct(ReflectionProvider $reflectionProvider, BetterNodeFinder $betterNodeFinder, NodeNameResolver $nodeNameResolver)
{
$this->reflectionProvider = $reflectionProvider;
$this->betterNodeFinder = $betterNodeFinder;
$this->nodeNameResolver = $nodeNameResolver;
}
/**
* @return array<class-string<Node>>
*/
public function getNodeClasses() : array
{
return [Name::class, FullyQualified::class];
}
/**
* @param Name $node
*/
public function resolve(Node $node) : Type
{
if ($node->toString() === ObjectReference::PARENT) {
return $this->resolveParent($node);
}
$fullyQualifiedName = $this->resolveFullyQualifiedName($node);
if ($node->toString() === 'array') {
return new ArrayType(new MixedType(), new MixedType());
}
return new ObjectType($fullyQualifiedName);
}
/**
* @return \PHPStan\Type\MixedType|\PHPStan\Type\ObjectType|\PHPStan\Type\UnionType
*/
private function resolveParent(Name $name)
{
$class = $this->betterNodeFinder->findParentType($name, Class_::class);
if (!$class instanceof Class_) {
return new MixedType();
}
$className = $this->nodeNameResolver->getName($class);
if (!\is_string($className)) {
return new MixedType();
}
if (!$this->reflectionProvider->hasClass($className)) {
return new MixedType();
}
$classReflection = $this->reflectionProvider->getClass($className);
$parentClassObjectTypes = [];
foreach ($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, 'this'], \true)) {
$classLike = $this->betterNodeFinder->findParentType($name, ClassLike::class);
if (!$classLike instanceof ClassLike) {
return $name->toString();
}
return (string) $this->nodeNameResolver->getName($classLike);
}
return $nameValue;
}
}