mirror of https://github.com/rectorphp/rector.git
90 lines
2.9 KiB
PHP
90 lines
2.9 KiB
PHP
<?php
|
|
|
|
declare (strict_types=1);
|
|
namespace Rector\NodeTypeResolver\NodeTypeResolver;
|
|
|
|
use PhpParser\Node;
|
|
use PhpParser\Node\Expr\Variable;
|
|
use PHPStan\Analyser\Scope;
|
|
use PHPStan\Type\MixedType;
|
|
use PHPStan\Type\Type;
|
|
use Rector\BetterPhpDocParser\PhpDocInfo\PhpDocInfoFactory;
|
|
use Rector\NodeNameResolver\NodeNameResolver;
|
|
use Rector\NodeTypeResolver\Contract\NodeTypeResolverInterface;
|
|
use Rector\NodeTypeResolver\Node\AttributeKey;
|
|
/**
|
|
* @see \Rector\Tests\NodeTypeResolver\PerNodeTypeResolver\VariableTypeResolver\VariableTypeResolverTest
|
|
*
|
|
* @implements NodeTypeResolverInterface<Variable>
|
|
*/
|
|
final class VariableTypeResolver implements NodeTypeResolverInterface
|
|
{
|
|
/**
|
|
* @readonly
|
|
* @var \Rector\NodeNameResolver\NodeNameResolver
|
|
*/
|
|
private $nodeNameResolver;
|
|
/**
|
|
* @readonly
|
|
* @var \Rector\BetterPhpDocParser\PhpDocInfo\PhpDocInfoFactory
|
|
*/
|
|
private $phpDocInfoFactory;
|
|
public function __construct(NodeNameResolver $nodeNameResolver, PhpDocInfoFactory $phpDocInfoFactory)
|
|
{
|
|
$this->nodeNameResolver = $nodeNameResolver;
|
|
$this->phpDocInfoFactory = $phpDocInfoFactory;
|
|
}
|
|
/**
|
|
* @return array<class-string<Node>>
|
|
*/
|
|
public function getNodeClasses() : array
|
|
{
|
|
return [Variable::class];
|
|
}
|
|
/**
|
|
* @param Variable $node
|
|
*/
|
|
public function resolve(Node $node) : Type
|
|
{
|
|
$variableName = $this->nodeNameResolver->getName($node);
|
|
if ($variableName === null) {
|
|
return new MixedType();
|
|
}
|
|
$scopeType = $this->resolveTypesFromScope($node, $variableName);
|
|
if (!$scopeType instanceof MixedType) {
|
|
return $scopeType;
|
|
}
|
|
// get from annotation
|
|
$phpDocInfo = $this->phpDocInfoFactory->createFromNodeOrEmpty($node);
|
|
return $phpDocInfo->getVarType();
|
|
}
|
|
private function resolveTypesFromScope(Variable $variable, string $variableName) : Type
|
|
{
|
|
$scope = $this->resolveNodeScope($variable);
|
|
if (!$scope instanceof Scope) {
|
|
return new MixedType();
|
|
}
|
|
if (!$scope->hasVariableType($variableName)->yes()) {
|
|
return new MixedType();
|
|
}
|
|
// this → object type is easier to work with and consistent with the rest of the code
|
|
return $scope->getVariableType($variableName);
|
|
}
|
|
private function resolveNodeScope(Variable $variable) : ?Scope
|
|
{
|
|
$scope = $variable->getAttribute(AttributeKey::SCOPE);
|
|
if ($scope instanceof Scope) {
|
|
return $scope;
|
|
}
|
|
return $this->resolveFromParentNodes($variable);
|
|
}
|
|
private function resolveFromParentNodes(Variable $variable) : ?Scope
|
|
{
|
|
$parentNode = $variable->getAttribute(AttributeKey::PARENT_NODE);
|
|
if (!$parentNode instanceof Node) {
|
|
return null;
|
|
}
|
|
return $parentNode->getAttribute(AttributeKey::SCOPE);
|
|
}
|
|
}
|