Ensure anonymous classes are not reflected (#195)

* Add test to verify anonymous classes are not reflected
* Check anonymousClass attribute

Author: mglaman

src/Rules/Deprecations/DeprecatedAnnotationsRuleBase.php

@@ -43,6 +43,15 @@ public function processNode(Node $node, Scope $scope): array
         if ($node->name === null) {
             return [];
         }
+        if ($node->isAbstract()) {
+            return [];
+        }
+        // PHPStan gives anonymous classes a name, so we cannot determine if
+        // a class is truly anonymous using the normal methods from php-parser.
+        // @see \PHPStan\Reflection\BetterReflection\BetterReflectionProvider::getAnonymousClassReflection
+        if ($node->hasAttribute('anonymousClass') && $node->getAttribute('anonymousClass') === true) {
+            return [];
+        }
         $className = $node->name->name;
         $namespace = $scope->getNamespace();
         $reflection = $this->reflectionProvider->getClass($namespace . '\\' . $className);

tests/fixtures/drupal/modules/phpstan_fixtures/phpstan_fixtures.module

@@ -1,6 +1,8 @@
 <?php
 
 // Catches at level 4.
+use Drupal\Core\Block\BlockBase;
+
 function phpstan_fixtures_IfConstantConditionRule() {
     $zero = 0;
     if ($zero) {
@@ -27,3 +29,16 @@ function phpstan_fixtures_module_load_includes_negative_test(): void {
     $module_handler = \Drupal::moduleHandler();
     $module_handler->loadInclude('phpstan_fixtures', 'fetch.inc');
 }
+
+function phpstan_fixtures_thing_with_anonymous_class(): void {
+    $foo = new class(
+        [],
+        'foo',
+        []
+    ) extends BlockBase {
+        public function build(): array
+        {
+            return [];
+        }
+    };
+}