mirror of
https://github.com/pjh456/OxideJS.git
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fix: Proxy stub 不装规范不存在的 prototype 属性
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@@ -8,34 +8,41 @@ use oxide_types::value::JsValue;
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use crate::bindings::{bind_global_value, configure_native_constructor};
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/// 未实现内置的 stub 表：（全局名、native 函数项指针、形参个数、原型 @@toStringTag）。
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/// 未实现内置的 stub 表：（全局名、native 函数项指针、形参个数、
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/// 原型 @@toStringTag、是否安装原型对象）。
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///
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/// `tag` 为 `None` 的条目（Proxy）原型对象不设 @@toStringTag；四弱族各取族名。
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const STUBS: [(&str, *const (), u8, Option<&str>); 5] = [
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("Proxy", oxide_builtins::stubs::proxy_stub::<crate::vm::Vm> as *const (), 2, None),
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/// 规范 25.1 的 %Proxy% 无 prototype 属性（`has_prototype` = false），
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/// 四弱族各装带 constructor 回指的原型对象。
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const STUBS: [(&str, *const (), u8, Option<&str>, bool); 5] = [
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("Proxy", oxide_builtins::stubs::proxy_stub::<crate::vm::Vm> as *const (), 2, None, false),
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(
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"WeakMap",
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oxide_builtins::stubs::weakmap_stub::<crate::vm::Vm> as *const (),
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0,
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Some("WeakMap"),
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true,
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),
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(
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"WeakSet",
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oxide_builtins::stubs::weakset_stub::<crate::vm::Vm> as *const (),
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0,
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Some("WeakSet"),
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true,
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),
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(
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"WeakRef",
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oxide_builtins::stubs::weakref_stub::<crate::vm::Vm> as *const (),
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1,
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Some("WeakRef"),
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true,
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),
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(
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"FinalizationRegistry",
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oxide_builtins::stubs::finalization_registry_stub::<crate::vm::Vm> as *const (),
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1,
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Some("FinalizationRegistry"),
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true,
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),
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];
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@@ -53,16 +60,17 @@ fn set_data_property(core: &Arc<KernelCore>, obj: &mut JsObject, si: u32, value:
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/// 绑定到 global，并登记到 `stub_objects` 供快照跟踪。
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///
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/// # 副作用
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/// 每个 stub 按规范补装构造器面属性：`prototype`（新建 plain 对象，原型链落
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/// Object.prototype，其上带指回 stub 的 `constructor`，四弱族另带 @@toStringTag）、
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/// `length`、`name`；描述符均不可枚举，`prototype` 另不可写、不可配置。
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/// 每个 stub 按规范补装构造器面属性：`length`、`name`（五族全装）；四弱族
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/// 另装 `prototype`（新建 plain 对象，原型链落 Object.prototype，其上带指回
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/// stub 的 `constructor` 与 @@toStringTag）——规范 25.1 的 %Proxy% 无
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/// prototype 属性，不装；描述符均不可枚举，`prototype` 另不可写、不可配置。
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/// 原型对象登记进 world 释放登记表，与 stub 对象同生死，session 收尾统一释放。
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pub fn bind_stubs(core: &Arc<KernelCore>, session: &mut KernelSession, global: &mut JsObject) {
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let builtin_world = Arc::get_mut(&mut session.builtin_world)
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.expect("BuiltinWorld must be uniquely owned during init_kernel_builtins");
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let object_proto_ptr = builtin_world.object_proto.as_ptr() as *mut JsObject;
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for (name, native_fn, arg_count, tag) in STUBS {
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for (name, native_fn, arg_count, tag, has_prototype) in STUBS {
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let mut stub = JsObject::new_empty(
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EMPTY_SHAPE_ID,
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JsValue::from_js_object(builtin_world.function_proto.as_ptr() as *mut JsObject),
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@@ -73,39 +81,41 @@ pub fn bind_stubs(core: &Arc<KernelCore>, session: &mut KernelSession, global: &
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let stub = P::new(stub);
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let stub_ptr = stub.as_ptr() as *mut JsObject;
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// 原型对象：constructor 回指 + @@toStringTag（四弱族）；属性装完再登记
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// 释放登记表，登记点世代即洁净基线。
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let mut proto = JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::from_js_object(object_proto_ptr));
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let si_constructor = core.perm_interner().intern("constructor").0;
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set_data_property(
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core,
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&mut proto,
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si_constructor,
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JsValue::from_js_object(stub_ptr),
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PropAttributes::new(true, false, true),
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);
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if let Some(tag_name) = tag {
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let tag_key = oxide_types::private_key::make_well_known_symbol_key(
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oxide_types::private_key::WELL_KNOWN_SYMBOL_TO_STRING_TAG,
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);
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let tag_val =
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JsValue::perm_string(core.perm_interner().string_ptr(core.perm_interner().intern(tag_name).0));
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set_data_property(core, &mut proto, tag_key, tag_val, PropAttributes::new(false, false, true));
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}
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let proto_ptr = Box::into_raw(Box::new(proto));
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builtin_world.track_leaked_object(proto_ptr);
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// 构造器面属性：prototype / length / name。
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// 构造器面属性：length / name 五族全装；prototype 仅四弱族（%Proxy% 无）。
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// SAFETY: stub 尚未发布到 global，局部 Arc 为唯一持有者，可变访问无读者冲突。
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let stub_obj = unsafe { &mut *stub_ptr };
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let si_prototype = core.perm_interner().intern("prototype").0;
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set_data_property(
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core,
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stub_obj,
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si_prototype,
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JsValue::from_js_object(proto_ptr),
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PropAttributes::new(false, false, false),
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);
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if has_prototype {
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// 原型对象：constructor 回指 + @@toStringTag（四弱族）；属性装完再
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// 登记释放登记表，登记点世代即洁净基线。
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let mut proto = JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::from_js_object(object_proto_ptr));
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let si_constructor = core.perm_interner().intern("constructor").0;
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set_data_property(
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core,
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&mut proto,
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si_constructor,
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JsValue::from_js_object(stub_ptr),
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PropAttributes::new(true, false, true),
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);
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if let Some(tag_name) = tag {
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let tag_key = oxide_types::private_key::make_well_known_symbol_key(
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oxide_types::private_key::WELL_KNOWN_SYMBOL_TO_STRING_TAG,
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);
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let tag_val =
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JsValue::perm_string(core.perm_interner().string_ptr(core.perm_interner().intern(tag_name).0));
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set_data_property(core, &mut proto, tag_key, tag_val, PropAttributes::new(false, false, true));
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}
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let proto_ptr = Box::into_raw(Box::new(proto));
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builtin_world.track_leaked_object(proto_ptr);
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let si_prototype = core.perm_interner().intern("prototype").0;
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set_data_property(
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core,
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stub_obj,
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si_prototype,
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JsValue::from_js_object(proto_ptr),
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PropAttributes::new(false, false, false),
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);
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}
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let si_length = core.perm_interner().intern("length").0;
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set_data_property(
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core,
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