Explicit allowed class checks for #lazy_builder

Fixes #399 by removing calls to `parent` attributes.

Author: mglaman

src/Rules/Drupal/RenderCallbackRule.php

@@ -2,6 +2,8 @@
 
 namespace mglaman\PHPStanDrupal\Rules\Drupal;
 
+use Drupal\Core\Render\PlaceholderGenerator;
+use Drupal\Core\Render\Renderer;
 use mglaman\PHPStanDrupal\Drupal\ServiceMap;
 use PhpParser\Node;
 use PhpParser\Node\Name;
@@ -63,18 +65,22 @@ public function processNode(Node $node, Scope $scope): array
 
         // @todo Move into its own rule.
         if ($keyChecked === '#lazy_builder') {
-            // Check if being used in array_intersect_key.
-            // NOTE: This only works against existing patterns in Drupal core where the array with boolean values is
-            // being passed as the argument to array_intersect_key.
-            $parent = $node->getAttribute('parent');
-            if ($parent instanceof Node\Expr\Array_) {
-                $parent = $parent->getAttribute('parent');
-                if ($parent instanceof Node\Arg) {
-                    $parent = $parent->getAttribute('parent');
-                    if ($parent instanceof Node\Expr\FuncCall
-                        && $parent->name instanceof Name
-                        && $parent->name->toString() === 'array_intersect_key'
-                    ) {
+            if ($scope->isInClass()) {
+                $classReflection = $scope->getClassReflection();
+                // @todo why doesn't isInClass assert this isn't null?
+                assert($classReflection !== null);
+                $classType = new ObjectType($classReflection->getName());
+                // These classes use #lazy_builder in array_intersect_key. With
+                // PHPStan 1.6, nodes do not track their parent/next/prev which
+                // saves a lot of memory. But makes it harder to detect if we're
+                // in a call to array_intersect_key. This is an easier workaround.
+                $allowedTypes = [
+                    PlaceholderGenerator::class,
+                    Renderer::class,
+                    'Drupal\Tests\Core\Render\RendererPlaceholdersTest',
+                ];
+                foreach ($allowedTypes as $allowedType) {
+                    if ($classType->isInstanceOf($allowedType)->yes()) {
                         return [];
                     }
                 }

tests/fixtures/config/phpunit-drupal-phpstan.neon

@@ -17,7 +17,3 @@ includes:
 	- ../../../extension.neon
 	- ../../../rules.neon
 	- ../../../vendor/phpstan/phpstan-deprecation-rules/rules.neon
-# @todo remove after https://github.com/mglaman/phpstan-drupal/issues/399.
-conditionalTags:
-	PhpParser\NodeVisitor\NodeConnectingVisitor:
-		phpstan.parser.richParserNodeVisitor: true

tests/src/Rules/PreRenderCallbackRuleTest.php renamed to tests/src/Rules/RenderCallbackRuleTest.php

@@ -7,7 +7,7 @@
 use mglaman\PHPStanDrupal\Tests\DrupalRuleTestCase;
 use mglaman\PHPStanDrupal\Rules\Drupal\RenderCallbackRule;
 
-final class PreRenderCallbackRuleTest extends DrupalRuleTestCase {
+final class RenderCallbackRuleTest extends DrupalRuleTestCase {
 
     protected function getRule(): \PHPStan\Rules\Rule
     {