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feat: WeakMap 构造体与四方法本体落地及 stub 剥离

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彭俊皓
2026-09-24 07:15:25 +00:00
parent ac6a6d9e59
commit fd21fa6b3f
8 changed files with 610 additions and 41 deletions
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crates/oxide_vm/src/session_gc/tests.rs
+4 -3
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@@ -544,7 +544,8 @@ fn weak_map_entry_survives_promotion_with_live_key() {
vm.regs[0] = JsValue::from_js_object(wm_session);
vm.regs[1] = JsValue::from_js_object(key);
// 值的强根取晋升克隆（表内读回）：原件随 epoch 出局。
let value_root = oxide_builtins::weak_map::weak_map_get(unsafe { &*wm_session }, JsValue::from_js_object(key));
let value_root =
oxide_builtins::weak_map::weak_map_probe_get(unsafe { &*wm_session }, JsValue::from_js_object(key));
vm.regs[2] = value_root;
let mut gc = std::mem::take(&mut vm.gc_state.session_gc);
gc.collect(&mut vm);
@@ -552,7 +553,7 @@ fn weak_map_entry_survives_promotion_with_live_key() {
let live_wm = unsafe { &*vm.regs[0].as_js_object_ptr() };
assert_eq!(oxide_builtins::weak_map::weak_map_entry_count(live_wm), 1, "强可达键的条目须在收集后存活");
let stored = oxide_builtins::weak_map::weak_map_get(live_wm, JsValue::from_js_object(key));
let stored = oxide_builtins::weak_map::weak_map_probe_get(live_wm, JsValue::from_js_object(key));
assert_eq!(stored, vm.regs[2], "值须按原键读回同一克隆体");
assert!(!std::ptr::eq(stored.as_js_object_ptr(), value), "值边须改写到晋升克隆");
}
@@ -616,7 +617,7 @@ fn weak_map_value_edge_keeps_value_alive() {
vm.gc_state.session_gc = gc;
let live_wm = unsafe { &*vm.regs[0].as_js_object_ptr() };
let stored = oxide_builtins::weak_map::weak_map_get(live_wm, JsValue::from_js_object(key));
let stored = oxide_builtins::weak_map::weak_map_probe_get(live_wm, JsValue::from_js_object(key));
assert!(stored.is_object(), "唯一经值边引用的值须存活");
assert!(!std::ptr::eq(stored.as_js_object_ptr(), value_session), "值边须在搬移后改写到新址");
assert!(vm.is_session_ptr(stored.as_js_object_ptr()));