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fix: 全局三常量描述符翻可配置，var 重复声明以 builtin 镜像值保留现存值

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彭俊皓
2026-09-10 04:16:08 +08:00
parent 7138c98da8
commit c87edd404a
7 changed files with 246 additions and 27 deletions
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crates/oxide_kernel/src/kernel.rs
+7 -5
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@@ -524,14 +524,16 @@ impl KernelSession {
let si_undef = core.perm_interner.intern("undefined").0;
let si_infinity = core.perm_interner.intern("Infinity").0;
// 全局三常量描述符：{ writable:false, enumerable:false, configurable:false }，
// 规范要求不可写不可枚举不可配置，否则会泄漏进 Object.keys(globalThis)。
// 全局三常量描述符：{ writable:false, enumerable:false, configurable:true }。
// e:false 是枚举面守卫（Object.keys / for-in 由 enumerable 决定）；
// c:true 是 delete / defineProperty 可观察的规范值（delete globalThis.undefined
// 属性真删、返回 true）。
let nan_shape = core.shape_forge.make_shape(EMPTY_SHAPE_ID, si_nan);
global_obj.set_shape_id(nan_shape);
global_obj.ensure_hash_props().push(JsValue::float(f64::NAN));
global_obj.set_data_meta(
global_obj.prop_vec_len().saturating_sub(1) as u32,
oxide_types::object::PropAttributes::new(false, false, false),
oxide_types::object::PropAttributes::new(false, false, true),
);
let undef_shape = core.shape_forge.make_shape(nan_shape, si_undef);
@@ -539,7 +541,7 @@ impl KernelSession {
global_obj.ensure_hash_props().push(JsValue::undefined());
global_obj.set_data_meta(
global_obj.prop_vec_len().saturating_sub(1) as u32,
oxide_types::object::PropAttributes::new(false, false, false),
oxide_types::object::PropAttributes::new(false, false, true),
);
let inf_shape = core.shape_forge.make_shape(undef_shape, si_infinity);
@@ -547,7 +549,7 @@ impl KernelSession {
global_obj.ensure_hash_props().push(JsValue::float(f64::INFINITY));
global_obj.set_data_meta(
global_obj.prop_vec_len().saturating_sub(1) as u32,
oxide_types::object::PropAttributes::new(false, false, false),
oxide_types::object::PropAttributes::new(false, false, true),
);
P::new(global_obj)