mirror of
https://github.com/pjh456/OxideJS.git
synced 2026-10-25 11:11:11 +08:00
fix: 原型面四方法补不变量并改四入口路由
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@@ -278,6 +278,18 @@ impl oxide_runtime_api::VmHost for Vm {
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"a [[GetPrototypeOf]] trap returned a non-object and non-null value",
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));
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}
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// 不变量:target 不可扩展时,trap 结果须与 target 的
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// [[GetPrototypeOf]] 结果 SameValue(规范 10.5.1 步 9-12)。
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if !self.is_extensible(unsafe { &*target.as_js_object_ptr() })? {
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// SAFETY: target 由构造器校验为非空对象指针。
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let target_proto = self.get_prototype_of(unsafe { &*target.as_js_object_ptr() })?;
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if !oxide_runtime_api::same_value(result, target_proto) {
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return Err(oxide_runtime_api::format_error_message(
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"TypeError",
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"a [[GetPrototypeOf]] trap returned a value different from the non-extensible target's prototype",
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));
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}
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}
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Ok(result)
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}
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// SAFETY: target 由构造器校验为非空对象指针。
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@@ -310,14 +322,18 @@ impl oxide_runtime_api::VmHost for Vm {
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if !crate::proxy::trap_bool_result(trap_result, "setPrototypeOf")? {
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return Ok(false);
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}
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// 不变量检查:trap 报 true 时 target 的 prototype 须为对象或 null。
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// SAFETY: target 由构造器校验为非空对象指针。
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let target_proto = self.get_prototype_of(unsafe { &*target.as_js_object_ptr() })?;
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if !target_proto.is_object() && !target_proto.is_null() {
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return Err(oxide_runtime_api::format_error_message(
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"TypeError",
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"a [[SetPrototypeOf]] trap returned true for a non-object and non-null target prototype",
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));
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// 不变量:trap 报 true 且 target 不可扩展时,proto 须与 target 的
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// [[GetPrototypeOf]] 结果 SameValue(规范 10.5.2 步 10-12);target
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// 可扩展时直接成功,不读 target 原型。
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if !self.is_extensible(unsafe { &*target.as_js_object_ptr() })? {
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// SAFETY: target 由构造器校验为非空对象指针。
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let target_proto = self.get_prototype_of(unsafe { &*target.as_js_object_ptr() })?;
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if !oxide_runtime_api::same_value(proto, target_proto) {
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return Err(oxide_runtime_api::format_error_message(
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"TypeError",
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"a [[SetPrototypeOf]] trap returned true for a non-extensible target with a different prototype",
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));
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}
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}
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Ok(true)
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}
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@@ -325,24 +341,19 @@ impl oxide_runtime_api::VmHost for Vm {
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if !obj.is_proxy_obj() {
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return Ok(obj.is_extensible());
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}
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// 代理路径:isExtensible trap(实参 target),结果经布尔投影,缺失
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// 落穿 target(target 自身为代理时经递归再路由)。
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let target = oxide_builtins::proxy::proxy_state_ref(obj).expect("状态盒").target;
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match crate::proxy::call_trap(self, obj, self.perm_intern("isExtensible"), &[target])? {
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Some(result) => Ok(oxide_runtime_api::to_boolean(result)),
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// SAFETY: target 由构造器校验为非空对象指针。
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None => self.is_extensible(unsafe { &*target.as_js_object_ptr() }),
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}
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// 代理路径:isExtensible trap 路由(实参 target,结果经布尔投影,
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// 报告须与 target 实际可扩展状态一致),缺失落穿 target。
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oxide_builtins::object::proxy_is_extensible(self, obj)
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}
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fn prevent_extensions(&mut self, obj: &mut JsObject) -> Result<(), String> {
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fn prevent_extensions(&mut self, obj: &mut JsObject) -> Result<bool, String> {
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if !obj.is_proxy_obj() {
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obj.set_extensible(false);
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return Ok(());
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return Ok(true);
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}
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// 代理路径:preventExtensions trap 路由(含报告与 target 可扩展状态
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// 一致性检查),缺失落穿 target 的普通 preventExtensions。
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match oxide_builtins::object::proxy_prevent_extensions(self, obj) {
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Ok(_) => Ok(()),
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Ok(status) => Ok(status),
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// 还原原始异常值入 uncaught 侧通道(保身份)。
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Err(exc) => {
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self.last_uncaught_value = Some(exc);
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