feat: Promise 基础子系统 + 微任务队列（resolve/reject/then/catch/finally + run() drain）

2026-10-24 18:51:13 +08:00 · 2026-08-09 21:08:53 +08:00
parent 464712f7ba
commit 538a5670dc
11 changed files with 1265 additions and 40 deletions
@@ -70,6 +70,11 @@ impl Vm {
            crate::generator::rewrite_generator_native(dst_ref, |value| {
                self.promote_value_if_epoch_object(value, forwarding)
            });
+        } else if src_ref.is_promise_obj() {
+            // Promise 状态盒深拷贝到新对象：源盒随 epoch 释放，互不共享。
+            crate::promise::clone_promise_native_with_rewrite(src_ref, dst_ref, |value| {
+                self.promote_value_if_epoch_object(value, forwarding)
+            });
        }
        dst
    }