From c75a1143fe33201301a314a758cf7846dbf21fdc Mon Sep 17 00:00:00 2001
From: Akihito Koriyama <akihito.koriyama@gmail.com>
Date: Thu, 21 Sep 2023 18:33:24 +0900
Subject: [PATCH] No root level sign "\" for self

---
 src/AopCodeGenMethodSignature.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/AopCodeGenMethodSignature.php b/src/AopCodeGenMethodSignature.php
index f1285d7d..01aa6330 100644
--- a/src/AopCodeGenMethodSignature.php
+++ b/src/AopCodeGenMethodSignature.php
@@ -109,10 +109,12 @@ public function getTypeString(?ReflectionType $type): string
         $typeStr = '';
 
         if ($type instanceof ReflectionNamedType) {
-            $typeStr = $type->isBuiltin() ? $type->getName() : '\\' . $type->getName();
+            /** @psalm-suppress TypeDoesNotContainType */
+            $typeStr = $type->isBuiltin() || $type->getName() === 'self' ? $type->getName() : '\\' . $type->getName();
         } elseif (class_exists('ReflectionUnionType') && $type instanceof ReflectionUnionType) {
             $types = array_map(static function (ReflectionNamedType $t) {
-                return $t->isBuiltin() ? $t->getName() : '\\' . $t->getName();
+                /** @psalm-suppress TypeDoesNotContainType */
+                return $t->isBuiltin() || $t->getName() === 'self' ? $t->getName() : '\\' . $t->getName();
             }, (array) $type->getTypes());
 
             return implode('|', $types);