|
| 1 | +<?php |
| 2 | + |
| 3 | +declare(strict_types=1); |
| 4 | + |
| 5 | +namespace Rector\TypeDeclarationDocblocks\NodeAnalyzer; |
| 6 | + |
| 7 | +use PhpParser\Node\Expr\Assign; |
| 8 | +use PhpParser\Node\Expr\PropertyFetch; |
| 9 | +use PhpParser\Node\Stmt\Class_; |
| 10 | +use PhpParser\Node\Stmt\ClassMethod; |
| 11 | +use PHPStan\Type\Type; |
| 12 | +use Rector\NodeNameResolver\NodeNameResolver; |
| 13 | +use Rector\NodeTypeResolver\NodeTypeResolver; |
| 14 | +use Rector\PhpParser\Node\BetterNodeFinder; |
| 15 | +use Rector\ValueObject\MethodName; |
| 16 | + |
| 17 | +final readonly class ConstructorAssignedTypeResolver |
| 18 | +{ |
| 19 | + public function __construct( |
| 20 | + private BetterNodeFinder $betterNodeFinder, |
| 21 | + private NodeNameResolver $nodeNameResolver, |
| 22 | + private NodeTypeResolver $nodeTypeResolver |
| 23 | + ) { |
| 24 | + } |
| 25 | + |
| 26 | + public function resolve(Class_ $class, string $propertyName): ?Type |
| 27 | + { |
| 28 | + $constructorClassMethod = $class->getMethod(MethodName::CONSTRUCT); |
| 29 | + if (! $constructorClassMethod instanceof ClassMethod) { |
| 30 | + return null; |
| 31 | + } |
| 32 | + |
| 33 | + if ($constructorClassMethod->stmts === null) { |
| 34 | + return null; |
| 35 | + } |
| 36 | + |
| 37 | + $assigns = $this->betterNodeFinder->findInstancesOfScoped($constructorClassMethod->stmts, Assign::class); |
| 38 | + foreach ($assigns as $assign) { |
| 39 | + if (! $assign->var instanceof PropertyFetch) { |
| 40 | + continue; |
| 41 | + } |
| 42 | + |
| 43 | + $propertyFetch = $assign->var; |
| 44 | + if (! $this->nodeNameResolver-> isName($propertyFetch->var, 'this')) { |
| 45 | + continue; |
| 46 | + } |
| 47 | + |
| 48 | + if (! $this->nodeNameResolver-> isName($propertyFetch->name, $propertyName)) { |
| 49 | + continue; |
| 50 | + } |
| 51 | + |
| 52 | + return $this->nodeTypeResolver->getType($assign->expr); |
| 53 | + } |
| 54 | + |
| 55 | + return null; |
| 56 | + } |
| 57 | +} |
0 commit comments