feat(php): 添加原生类和接口检查功能

- 新增 isNativeClass 方法用于检查是否为原生类
- 新增 isInterface 方法用于检查是否为接口
- 重构 addObject 方法中的对象验证逻辑
- 修改 TypedObject 使用条件判断逻辑
- 添加内部类测试用例

src/Php/CompilerBase.php

@@ -1825,6 +1825,16 @@ class CompilerBase extends \PhpAot\Core\Translator
         return Reflection::isInternalClass($name);
     }
 
+    protected function isNativeClass(string $name): bool
+    {
+        return $this->hasClass($name);
+    }
+
+    protected function isInterface(string $name): bool
+    {
+        return $this->hasInterface($name) or $this->isInternalInterface($name);
+    }
+
     protected function isAbstractClass(string $name): bool
     {
         if ($this->isInternalClass($name)) {
@@ -2196,15 +2206,12 @@ class CompilerBase extends \PhpAot\Core\Translator
 
     protected function addObject(string $name, string $class): void
     {
-        // 接口、抽象类、内部类、非原生类，无法作为 TypedObject 使用
-        if ($this->hasInterface($class) or
-            $this->isInternalClass($class) or
-            $this->isAbstractClass($class) or
-            !$this->hasClass($class)) {
-            return;
-        }
+        // 接口、抽象类、非原生类，无法作为 TypedObject 使用
+        if (!$this->isInterface($class) and !$this->isAbstractClass($class) and
+            ($this->isNativeClass($class) or $this->isInternalClass($class))) {
             $this->context->objects[$name] = $class;
         }
+    }
 
     protected function hasVar(string $name): bool
     {

tests/aot/class/internal-class.phpt

@@ -0,0 +1,12 @@
+--TEST--
+abstract class and abstract method
+--FILE--
+<?php
+
+function main() {
+    $dt = new DateTime();
+    echo $dt->format('Y-m-d H:i:s');
+}
+?>
+--EXPECTF--
+%s-%s%s %s:%s:%s