fix(generator): 解决常量值格式化和命名空间解析问题

- 添加 formatConstValue 函数统一处理常量值格式化
- 修复类常量引用时的字符串转义问题
- 优化 getClassConstValue 方法的命名空间解析逻辑
- 添加 getNamespaceOfClass 工具方法获取类的命名空间
- 更新默认参数处理中的常量值获取方式
- 添加新的测试用例验证默认数组属性功能

src/Php/Generator/Utils.php

@@ -183,4 +183,15 @@ trait Utils
 
         return $str;
     }
+
+    protected function getNamespaceOfClass(string $class): string
+    {
+        $lastPos = strrpos($class, '\\');
+        if ($lastPos !== false) {
+            $namespace = substr($class, 0, $lastPos);
+        } else {
+            $namespace = '';
+        }
+        return $namespace;
+    }
 }

src/Php/Translator.php

@@ -1195,11 +1195,11 @@ CODE;
      * 仅用于 gen_stub 脚本
      * @throws \Exception
      */
-    public function getClassConstValue(NodeAbstract $expr, string $_class, string $name, string $currentClass): mixed
+    public function getClassConstValue(NodeAbstract $expr, string $_class, string $name, string $currentClass = ''): mixed
     {
         $namespace = $this->namespace;
-        if (!$namespace) {
-            $namespace = (string)strstr($currentClass, '\\', true);
+        if (!$namespace and $currentClass and !str_contains($_class, '\\')) {
+            $namespace = $this->getNamespaceOfClass($currentClass);
         }
         $class = $this->getNamespacedClassName($_class, $namespace);
         $nativeConst = $this->findNativeClassConst($expr, $class, $name);

src/gen_stub.php

@@ -2307,14 +2307,14 @@ class EvaluatedValue
                     if ($class === 'self') {
                         $constName = ClassInfo::$currentClass . "::" . $expr->name->__toString();
                         if (isset($allConstInfos[$constName])) {
-                            return $allConstInfos[$constName]->getValue($allConstInfos)->value;
+                            return formatConstValue($allConstInfos[$constName]->getValue($allConstInfos)->value);
                         } else {
-                            return getTranslator()->getClassConstValue($expr, ClassInfo::$currentClass, $expr->name->toString(), ClassInfo::$currentClass);
+                            return formatConstValue(getTranslator()->getClassConstValue($expr, ClassInfo::$currentClass, $expr->name->toString()));
                         }
                     } elseif ($expr->name->__toString() === 'class') {
                         return $class;
                     } else {
-                        return getTranslator()->getClassConstValue($expr, $class, $expr->name->__toString(), ClassInfo::$currentClass);
+                        return formatConstValue(getTranslator()->getClassConstValue($expr, $class, $expr->name->__toString(), ClassInfo::$currentClass));
                     }
                 } else {
                     $constName = $expr->name->__toString();
@@ -2352,11 +2352,7 @@ class EvaluatedValue
                 if (isset($definedConstants[$constName])) {
                     $constValue = $definedConstants[$constName];
                     if (is_scalar($constValue)) {
-                        if (is_string($constValue)) {
-                            return '"' . $constValue . '"';
-                        } else {
-                            return $constValue;
-                        }
+                        return formatConstValue($constValue);
                     }
                 }
 
@@ -4869,7 +4865,7 @@ function parseFunctionLike(
             }
 
             if ($param->default instanceof Expr\ClassConstFetch && $param->default->class->toLowerString() === "self") {
-                $defaultValue = getTranslator()->getClassConstValue($func, $name->className->name, $param->default->name->name, ClassInfo::$currentClass);
+                $defaultValue = getTranslator()->getClassConstValue($func, $name->className->name, $param->default->name->name);
             } else {
                 $defaultValue = $param->default ? $prettyPrinter->prettyPrintExpr($param->default) : null;
             }
@@ -6186,6 +6182,18 @@ function initPhpParser() {
     $isInitialized = true;
 }
 
+function formatConstValue(mixed $constValue)
+{
+    if (is_string($constValue)) {
+        if (str_starts_with($constValue, '"') and str_ends_with($constValue, '"')) {
+            return $constValue;
+        }
+        return '"' . $constValue . '"';
+    } else {
+        return $constValue;
+    }
+}
+
 function getTranslator(): Translator
 {
     global $translator;

tests/aot/object_property/005.phpt

@@ -0,0 +1,21 @@
+--TEST--
+default array property
+--FILE--
+<?php
+class Test {
+    protected const VALUE = 'test';
+    protected string $x = self::VALUE;
+
+    public function bar() {
+        var_dump($this->x);
+    }
+}
+
+function main() {
+    require __DIR__ . '/../../../src/Assert.php';
+    $obj = new Test;
+    $obj->bar();
+}
+?>
+--EXPECT--
+string(4) "test"