Support $classString::staticMethod() (#45)

Author: janedbal

src/Collector/MethodCallCollector.php

@@ -200,7 +200,7 @@ private function getMethodName(CallLike $call): ?string
      */
     private function getReflectionsWithMethod(Type $type, string $methodName): iterable
     {
-        $classReflections = $type->getObjectClassReflections();
+        $classReflections = $type->getObjectTypeOrClassStringObjectType()->getObjectClassReflections();
 
         foreach ($classReflections as $classReflection) {
             if ($classReflection->hasMethod($methodName)) {

tests/Rule/DeadMethodRuleTest.php

@@ -90,6 +90,7 @@ public static function provideFiles(): iterable
         yield 'dead-in-parent-1' => [__DIR__ . '/data/DeadMethodRule/dead-in-parent-1.php'];
         yield 'indirect-interface' => [__DIR__ . '/data/DeadMethodRule/indirect-interface.php'];
         yield 'attribute' => [__DIR__ . '/data/DeadMethodRule/attribute.php'];
+        yield 'call-on-class-string' => [__DIR__ . '/data/DeadMethodRule/class-string.php'];
         yield 'array-map-1' => [__DIR__ . '/data/DeadMethodRule/array-map-1.php'];
         yield 'provider-default' => [__DIR__ . '/data/DeadMethodRule/providers/default.php'];
         yield 'provider-symfony' => [__DIR__ . '/data/DeadMethodRule/providers/symfony.php', 80_000];

tests/Rule/data/DeadMethodRule/class-string.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace ClassStringCall;
+
+class ClassWithMethod {
+
+    public static function someMethod(): void {}
+}
+
+/**
+ * @param class-string<ClassWithMethod> $class
+ */
+function test(string $class): void {
+    $class::someMethod();
+}