fix wrong inClassLike after stack pop

Author: staabm

src/Parser/VariadicMethodsVisitor.php

@@ -10,9 +10,11 @@
 use PHPStan\TrinaryLogic;
 use function array_key_exists;
 use function array_pop;
+use function count;
 use function implode;
 use function in_array;
 use function sprintf;
+use function str_contains;
 
 final class VariadicMethodsVisitor extends NodeVisitorAbstract
 {
@@ -33,6 +35,8 @@ final class VariadicMethodsVisitor extends NodeVisitorAbstract
 
 	public const ATTRIBUTE_NAME = 'variadicMethods';
 
+	private const ANONYMOUS_CLASS_PREFIX = 'class@anonymous';
+
 	public function beforeTraverse(array $nodes): ?array
 	{
 		$this->topNode = null;
@@ -57,7 +61,7 @@ public function enterNode(Node $node): ?Node
 
 		if ($node instanceof Node\Stmt\ClassLike) {
 			if (!$node->name instanceof Node\Identifier) {
-				$className = sprintf('class@anonymous:%s:%s', $node->getStartLine(), $node->getEndLine());
+				$className = sprintf('%s:%s:%s', self::ANONYMOUS_CLASS_PREFIX, $node->getStartLine(), $node->getEndLine());
 				$this->classStack[] = $className;
 				$this->inClassLike = $className; // anonymous classes are in global namespace
 			} else {
@@ -105,7 +109,13 @@ public function leaveNode(Node $node): ?Node
 			array_pop($this->classStack);
 
 			if ($this->classStack !== []) {
-				$this->inClassLike = $this->inNamespace !== null ? $this->inNamespace . '\\' . implode('\\', $this->classStack) : implode('\\', $this->classStack);
+				$lastClass = $this->classStack[count($this->classStack) - 1];
+
+				if (str_contains($lastClass, self::ANONYMOUS_CLASS_PREFIX)) {
+					$this->inClassLike = $lastClass;
+				} else {
+					$this->inClassLike = $this->inNamespace !== null ? $this->inNamespace . '\\' . implode('\\', $this->classStack) : implode('\\', $this->classStack);
+				}
 			} else {
 				$this->inClassLike = null;
 			}

tests/PHPStan/Parser/ParserTest.php

@@ -53,6 +53,11 @@ public function dataVariadicCallLikes(): iterable
 					'implicit_variadic_fn' => TrinaryLogic::createYes(),
 				],
 				'class@anonymous:54:54' => [],
+				'class@anonymous:61:68' => [
+					'nestedClass' => TrinaryLogic::createNo(),
+					'implicit_variadic_fn' => TrinaryLogic::createYes(),
+				],
+				'class@anonymous:63:63' => [],
 			],
 		];
 

tests/PHPStan/Parser/data/variadic-methods.php

@@ -56,3 +56,13 @@ function implicit_variadic_fn() {
 		$args = func_get_args();
 	}
 };
+
+
+$c = new class () {
+	function nestedClass() {
+		$nested = new class () {};
+	}
+	function implicit_variadic_fn() {
+		$args = func_get_args();
+	}
+};