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<?php declare (strict_types=1); namespace Rector\RemovingStatic\Rector\ClassMethod; use PhpParser\Node; use PhpParser\Node\Expr\MethodCall; use PhpParser\Node\Expr\StaticCall; use PhpParser\Node\Expr\Variable; use PhpParser\Node\Stmt\ClassLike; use PhpParser\Node\Stmt\ClassMethod; use PHPStan\Reflection\ClassReflection; use PHPStan\Type\ObjectType; use Rector\Core\Rector\AbstractRector; use Rector\Core\Reflection\ReflectionResolver; use Rector\Privatization\NodeManipulator\VisibilityManipulator; use Rector\Privatization\VisibilityGuard\ClassMethodVisibilityGuard; use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample; use Symplify\RuleDocGenerator\ValueObject\RuleDefinition; /** * @see \Rector\Tests\RemovingStatic\Rector\ClassMethod\LocallyCalledStaticMethodToNonStaticRector\LocallyCalledStaticMethodToNonStaticRectorTest */ final class LocallyCalledStaticMethodToNonStaticRector extends AbstractRector { /** * @readonly * @var \Rector\Privatization\VisibilityGuard\ClassMethodVisibilityGuard */ private $classMethodVisibilityGuard; /** * @readonly * @var \Rector\Privatization\NodeManipulator\VisibilityManipulator */ private $visibilityManipulator; /** * @readonly * @var \Rector\Core\Reflection\ReflectionResolver */ private $reflectionResolver; public function __construct(ClassMethodVisibilityGuard $classMethodVisibilityGuard, VisibilityManipulator $visibilityManipulator, ReflectionResolver $reflectionResolver) { $this->classMethodVisibilityGuard = $classMethodVisibilityGuard; $this->visibilityManipulator = $visibilityManipulator; $this->reflectionResolver = $reflectionResolver; } public function getRuleDefinition() : RuleDefinition { return new RuleDefinition('Change static method and local-only calls to non-static', [new CodeSample(<<<'CODE_SAMPLE' class SomeClass { public function run() { self::someStatic(); } private static function someStatic() { } } CODE_SAMPLE , <<<'CODE_SAMPLE' class SomeClass { public function run() { $this->someStatic(); } private function someStatic() { } } CODE_SAMPLE )]); } /** * @return array<class-string<Node>> */ public function getNodeTypes() : array { return [ClassMethod::class, StaticCall::class]; } /** * @param ClassMethod|StaticCall $node */ public function refactor(Node $node) : ?Node { if ($node instanceof ClassMethod) { if (!$node->isPrivate()) { return null; } return $this->refactorClassMethod($node); } return $this->refactorStaticCall($node); } private function refactorClassMethod(ClassMethod $classMethod) : ?ClassMethod { if (!$classMethod->isStatic()) { return null; } $classReflection = $this->reflectionResolver->resolveClassReflection($classMethod); if (!$classReflection instanceof ClassReflection) { return null; } if ($this->classMethodVisibilityGuard->isClassMethodVisibilityGuardedByParent($classMethod, $classReflection)) { return null; } // change static calls to non-static ones, but only if in non-static method!!! $this->visibilityManipulator->makeNonStatic($classMethod); return $classMethod; } private function refactorStaticCall(StaticCall $staticCall) : ?MethodCall { $classLike = $this->betterNodeFinder->findParentType($staticCall, ClassLike::class); if (!$classLike instanceof ClassLike) { return null; } /** @var ClassMethod[] $classMethods */ $classMethods = $this->betterNodeFinder->findInstanceOf($classLike, ClassMethod::class); foreach ($classMethods as $classMethod) { if (!$this->isClassMethodMatchingStaticCall($classMethod, $staticCall)) { continue; } if ($this->isInStaticClassMethod($staticCall)) { continue; } $thisVariable = new Variable('this'); return new MethodCall($thisVariable, $staticCall->name, $staticCall->args); } return null; } private function isInStaticClassMethod(StaticCall $staticCall) : bool { $locationClassMethod = $this->betterNodeFinder->findParentType($staticCall, ClassMethod::class); if (!$locationClassMethod instanceof ClassMethod) { return \false; } return $locationClassMethod->isStatic(); } private function isClassMethodMatchingStaticCall(ClassMethod $classMethod, StaticCall $staticCall) : bool { $classLike = $this->betterNodeFinder->findParentType($classMethod, ClassLike::class); if (!$classLike instanceof ClassLike) { return \false; } $className = (string) $this->nodeNameResolver->getName($classLike); $objectType = new ObjectType($className); $callerType = $this->nodeTypeResolver->getType($staticCall->class); return $objectType->equals($callerType); } }
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