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faba2d1971
035e7bdb76
[NodeTypeResolver] Clean up "this" from NameTypeResolver, as not from Name node (#5873)
91 lines
3.0 KiB
PHP
91 lines
3.0 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\NodeTypeResolver\NodeTypeResolver;
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use PhpParser\Node;
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use PhpParser\Node\Name;
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use PhpParser\Node\Name\FullyQualified;
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use PHPStan\Analyser\Scope;
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use PHPStan\Reflection\ClassReflection;
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use PHPStan\Type\MixedType;
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use PHPStan\Type\ObjectType;
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use PHPStan\Type\Type;
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use PHPStan\Type\UnionType;
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use Rector\Enum\ObjectReference;
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use Rector\NodeTypeResolver\Contract\NodeTypeResolverInterface;
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use Rector\NodeTypeResolver\Node\AttributeKey;
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/**
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* @see \Rector\Tests\NodeTypeResolver\PerNodeTypeResolver\NameTypeResolver\NameTypeResolverTest
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*
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* @implements NodeTypeResolverInterface<Name|FullyQualified>
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*/
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final class NameTypeResolver implements NodeTypeResolverInterface
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{
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/**
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* @return array<class-string<Node>>
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*/
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public function getNodeClasses() : array
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{
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return [Name::class, FullyQualified::class];
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}
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/**
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* @param Name $node
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*/
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public function resolve(Node $node) : Type
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{
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if ($node->toString() === ObjectReference::PARENT) {
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return $this->resolveParent($node);
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}
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$fullyQualifiedName = $this->resolveFullyQualifiedName($node);
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return new ObjectType($fullyQualifiedName);
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}
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/**
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* @param \PhpParser\Node\Name|\PhpParser\Node\Name\FullyQualified $node
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*/
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private function resolveClassReflection($node) : ?ClassReflection
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{
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$scope = $node->getAttribute(AttributeKey::SCOPE);
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if (!$scope instanceof Scope) {
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return null;
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}
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return $scope->getClassReflection();
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}
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/**
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* @return \PHPStan\Type\MixedType|\PHPStan\Type\ObjectType|\PHPStan\Type\UnionType
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*/
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private function resolveParent(Name $name)
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{
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$classReflection = $this->resolveClassReflection($name);
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if (!$classReflection instanceof ClassReflection || !$classReflection->isClass()) {
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return new MixedType();
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}
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if ($classReflection->isAnonymous()) {
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return new MixedType();
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}
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$parentClassObjectTypes = [];
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foreach ($classReflection->getParents() as $parentClassReflection) {
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$parentClassObjectTypes[] = new ObjectType($parentClassReflection->getName());
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}
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if ($parentClassObjectTypes === []) {
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return new MixedType();
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}
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if (\count($parentClassObjectTypes) === 1) {
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return $parentClassObjectTypes[0];
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}
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return new UnionType($parentClassObjectTypes);
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}
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private function resolveFullyQualifiedName(Name $name) : string
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{
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$nameValue = $name->toString();
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if (\in_array($nameValue, [ObjectReference::SELF, ObjectReference::STATIC], \true)) {
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$classReflection = $this->resolveClassReflection($name);
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if (!$classReflection instanceof ClassReflection || $classReflection->isAnonymous()) {
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return $name->toString();
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}
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return $classReflection->getName();
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}
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return $nameValue;
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}
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}
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