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https://github.com/pjh456/OxideJS.git
synced 2026-10-23 18:21:13 +08:00
fix: 移除 Promise 构造出口原型链检
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@@ -344,7 +344,7 @@ impl Vm {
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/// 2. executor 可读性检查(步序先于 GpFC 原型读)。
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/// 3. GetPrototypeFromConstructor:传播式读 new.target 的 "prototype"
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/// (访问器副作用与异常原值传播);非对象结果回落 %Promise.prototype%。
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/// 4. 物化 receiver(原型重设 + type_tag + 状态盒)后经原型链检放行。
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/// 4. 物化 receiver(原型重设 + type_tag + 状态盒)。
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fn promise_constructor(vm: &mut Vm, args: &[u8]) -> NativeResult {
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let this_val = vm.reg(if args.is_empty() { 0 } else { args[0] });
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// NewTarget 缺失 = 非构造形态:构造入口置位、普通调用入口清零,据此拒绝。
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@@ -397,10 +397,6 @@ fn promise_constructor(vm: &mut Vm, args: &[u8]) -> NativeResult {
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promoted_clone: std::ptr::null_mut(),
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});
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obj.set_native_data(Box::into_raw(state) as *mut u8);
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// 物化后的 receiver 原型链须含 %Promise.prototype%(构造面放行兜底)。
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if !vm.has_promise_proto(this_val) {
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return NativeResult::Err(oxide_builtins::error::create_type_error(vm, "Promise must be called with new"));
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}
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match vm.call_function_sync(executor, JsValue::undefined(), &[resolve, reject]) {
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Ok(_) => NativeResult::Ok(this_val),
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Err(e) => {
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@@ -152,30 +152,6 @@ impl Vm {
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}
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}
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/// 校验值的原型链含 `%Promise.prototype%`(`new Promise` 构造出的实例特征)。
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pub(super) fn has_promise_proto(&self, v: JsValue) -> bool {
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if !v.is_object() {
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return false;
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}
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let target = self.promise_proto.as_ptr() as *mut JsObject;
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let mut cursor = v;
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for _ in 0..crate::vm::MAX_PROTO_CHAIN_DEPTH {
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if !cursor.is_object() {
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return false;
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}
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let ptr = cursor.as_js_object_ptr();
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if ptr.is_null() {
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return false;
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}
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if std::ptr::eq(ptr, target) {
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return true;
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}
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// 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。
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cursor = unsafe { &*ptr }.proto();
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}
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false
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}
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/// 入队一条微任务(追加到队尾,保证 FIFO)。
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pub(super) fn enqueue(&mut self, job: Microtask) {
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self.job_queue.push_back(job);
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