fix(compiler): 修复trait中类常量访问的命名空间解析问题

- 为getNamespacedClassName方法添加可选的当前命名空间参数
- 在gen_stub.php中传递当前类信息到getClassConstValue调用
- 在Translator.php中使用当前类的命名空间信息进行类常量查找
- 在类注册完成后清理ClassInfo::$currentClass避免污染
- 修复self引用时的默认值解析逻辑

src/Php/CompilerBase.php

@@ -892,7 +892,7 @@ class CompilerBase extends \PhpAot\Core\Translator
         return strtolower($fullClassName . '::' . $method);
     }
 
-    public function getNamespacedClassName(string $class): string
+    public function getNamespacedClassName(string $class, string $currentNamespace = ''): string
     {
         if ($class === '') {
             $this->error('Class name can not be empty');
@@ -920,7 +920,9 @@ class CompilerBase extends \PhpAot\Core\Translator
             }
         }
 
-        $currentNamespace = $this->namespace;
+        if (!$currentNamespace) {
+            $currentNamespace = $this->namespace;
+        }
         if (!empty($currentNamespace)) {
             return trim($currentNamespace, '\\') . '\\' . $class;
         }

src/Php/Translator.php

@@ -1195,9 +1195,13 @@ CODE;
      * 仅用于 gen_stub 脚本
      * @throws \Exception
      */
-    public function getClassConstValue(NodeAbstract $expr, string $class, string $name): mixed
+    public function getClassConstValue(NodeAbstract $expr, string $_class, string $name, string $currentClass): mixed
     {
-        $class = $this->getNamespacedClassName($class);
+        $namespace = $this->namespace;
+        if (!$namespace) {
+            $namespace = (string)strstr($currentClass, '\\', true);
+        }
+        $class = $this->getNamespacedClassName($_class, $namespace);
         $nativeConst = $this->findNativeClassConst($expr, $class, $name);
         if ($nativeConst and $expr->hasAttribute('nativeConst')) {
             $constDef = $expr->getAttribute('nativeConst');

src/gen_stub.php

@@ -2309,12 +2309,12 @@ class EvaluatedValue
                         if (isset($allConstInfos[$constName])) {
                             return $allConstInfos[$constName]->getValue($allConstInfos)->value;
                         } else {
-                            return getTranslator()->getClassConstValue($expr, ClassInfo::$currentClass, $expr->name->toString());
+                            return getTranslator()->getClassConstValue($expr, ClassInfo::$currentClass, $expr->name->toString(), ClassInfo::$currentClass);
                         }
                     } elseif ($expr->name->__toString() === 'class') {
                         return $class;
                     } else {
-                        return getTranslator()->getClassConstValue($expr, $class, $expr->name->__toString());
+                        return getTranslator()->getClassConstValue($expr, $class, $expr->name->__toString(), ClassInfo::$currentClass);
                     }
                 } else {
                     $constName = $expr->name->__toString();
@@ -4525,6 +4525,8 @@ class FileInfo {
                     $this->getMinimumPhpVersionIdCompatibility(),
                     $this->isUndocumentable
                 );
+                // 清理当前类名，避免污染
+                ClassInfo::$currentClass = '';
                 continue;
             }
 
@@ -4582,6 +4584,7 @@ class FileInfo {
         foreach ($this->classInfos as $class) {
             ClassInfo::$currentClass = $class->name->toString();
             $code .= "\n" . $class->getRegistration($allConstInfos);
+            ClassInfo::$currentClass = '';
         }
 
         return $code;
@@ -4866,7 +4869,7 @@ function parseFunctionLike(
             }
 
             if ($param->default instanceof Expr\ClassConstFetch && $param->default->class->toLowerString() === "self") {
-                $defaultValue = getTranslator()->getClassConstValue($func, $name->className->name, $param->default->name->name);
+                $defaultValue = getTranslator()->getClassConstValue($func, $name->className->name, $param->default->name->name, ClassInfo::$currentClass);
             } else {
                 $defaultValue = $param->default ? $prettyPrinter->prettyPrintExpr($param->default) : null;
             }

tests/aot/trait/011.phpt

@@ -0,0 +1,38 @@
+--TEST--
+trait full class name
+--FILE--
+<?php
+namespace App2 {
+    trait THello1
+    {
+        public const array DATA = [
+            TraitsTest::NAME => 'Hello 1',
+        ];
+        public function hello()
+        {
+            var_dump(self::DATA);
+            var_dump(self::DATA[TraitsTest::NAME]);
+        }
+    }
+
+    class TraitsTest
+    {
+        public const NAME = 'test_trait';
+        use THello1;
+    }
+}
+
+namespace {
+    function main()
+    {
+        $o = new App2\TraitsTest;
+        $o->hello();
+    }
+}
+?>
+--EXPECT--
+array(1) {
+  ["test_trait"]=>
+  string(7) "Hello 1"
+}
+string(7) "Hello 1"