fix: 移除 Promise 构造出口原型链检

This commit is contained in:
2026-09-24 03:23:47 +00:00
parent dd307dec1e
commit 6d88bb7b97
2 changed files with 1 additions and 29 deletions
-24
View File
@@ -152,30 +152,6 @@ impl Vm {
}
}
/// 校验值的原型链含 `%Promise.prototype%`(`new Promise` 构造出的实例特征)。
pub(super) fn has_promise_proto(&self, v: JsValue) -> bool {
if !v.is_object() {
return false;
}
let target = self.promise_proto.as_ptr() as *mut JsObject;
let mut cursor = v;
for _ in 0..crate::vm::MAX_PROTO_CHAIN_DEPTH {
if !cursor.is_object() {
return false;
}
let ptr = cursor.as_js_object_ptr();
if ptr.is_null() {
return false;
}
if std::ptr::eq(ptr, target) {
return true;
}
// SAFETY: 循环内 `is_object` 与 `ptr` 非空守卫保证可解引用;只读 proto(),链深受深度上限约束。
cursor = unsafe { &*ptr }.proto();
}
false
}
/// 入队一条微任务(追加到队尾,保证 FIFO)。
pub(super) fn enqueue(&mut self, job: Microtask) {
self.job_queue.push_back(job);