mirror of
https://github.com/pjh456/OxideJS.git
synced 2026-10-25 03:01:12 +08:00
feat: 端口载荷盒接入 GC 家族表并移消息队列至内核
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@@ -1,7 +1,7 @@
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//! native 载荷家族的单点分类与每家族边函数引用(家族表)。
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//!
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//! 分类是复合谓词:header 位(map/set/module_ns)优先于 `type_tag`,
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//! 两维互斥、一个对象至多归入一个家族。tag 维显式枚举全部 0..=32,
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//! 两维互斥、一个对象至多归入一个家族。tag 维显式枚举全部 0..=33,
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//! 未登记 tag panic。
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//!
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//! 关键约定:
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@@ -10,7 +10,7 @@
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//! - 注册面集中在 `ops_for` 的家族表,mark/size/drop/clone/rewrite 各链
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//! 由同一张表驱动,新增家族只在此登记。
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use oxide_builtins::{data_view, disposable_stack, map, module, set, typed_array, weak_map};
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use oxide_builtins::{data_view, disposable_stack, map, message_channel, module, set, typed_array, weak_map};
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use oxide_types::object::{Cell, JsObject, JsString};
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use oxide_types::value::JsValue;
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@@ -49,6 +49,8 @@ pub(crate) enum NativeBoxFamily {
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AsyncGenerator,
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/// RegExp 与 matchAll 载体(tag 2/28,`native_fn` 槽持编译正则)。
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RegExp,
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/// MessagePort 端口对象(tag 33,mpsc 双端与对端端口边)。
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MessagePort,
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}
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/// 一个家族的边操作集(每家族函数引用,单一注册面)。
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@@ -81,7 +83,7 @@ pub(crate) fn classify(obj: &JsObject) -> NativeBoxFamily {
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/// 按类型 tag 分类 native 载荷家族。
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///
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/// # 边界与前提
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/// - 0..=32 全 tag 显式枚举;未登记 tag(33 及以上)panic。
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/// - 0..=33 全 tag 显式枚举;未登记 tag(34 及以上)panic。
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pub(crate) fn classify_by_tag(tag: u8) -> NativeBoxFamily {
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match tag {
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JsObject::OBJ_TYPE_ARRAY_BUFFER => NativeBoxFamily::ArrayBuffer,
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@@ -118,6 +120,7 @@ pub(crate) fn classify_by_tag(tag: u8) -> NativeBoxFamily {
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JsObject::OBJ_TYPE_PLAIN_YEAR_MONTH => NativeBoxFamily::None,
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JsObject::OBJ_TYPE_HTML_DDA => NativeBoxFamily::None,
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JsObject::OBJ_TYPE_RAW_JSON => NativeBoxFamily::None,
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JsObject::OBJ_TYPE_MESSAGE_PORT => NativeBoxFamily::MessagePort,
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_ => panic!("unregistered type tag: {tag}"),
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}
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}
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@@ -203,6 +206,11 @@ pub(crate) fn ops_for(family: NativeBoxFamily) -> NativeBoxOps {
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string_edges: None,
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cell_edges: None,
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},
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NativeBoxFamily::MessagePort => NativeBoxOps {
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object_edges: Some(message_channel::message_port_native_edges),
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string_edges: None,
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cell_edges: None,
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},
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}
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}
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@@ -232,13 +240,14 @@ mod tests {
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JsObject::OBJ_TYPE_WEAK_MAP => NativeBoxFamily::WeakMap,
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JsObject::OBJ_TYPE_SHARED_ARRAY_BUFFER => NativeBoxFamily::SharedArrayBuffer,
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JsObject::OBJ_TYPE_REGEXP | JsObject::OBJ_TYPE_REGEX_STUB => NativeBoxFamily::RegExp,
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JsObject::OBJ_TYPE_MESSAGE_PORT => NativeBoxFamily::MessagePort,
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_ => NativeBoxFamily::None,
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}
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}
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#[test]
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fn tag_dimension_every_tag_hits_exactly_one_family() {
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for tag in 0..=32u8 {
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for tag in 0..=33u8 {
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let obj = obj_with_tag(tag);
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let family = classify(&obj);
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assert_eq!(family, expected_family_for_tag(tag), "tag {tag} 家族不一致");
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@@ -272,7 +281,7 @@ mod tests {
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#[test]
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#[should_panic(expected = "unregistered type tag")]
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fn unregistered_tag_panics() {
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let obj = obj_with_tag(33);
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let obj = obj_with_tag(34);
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classify(&obj);
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}
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}
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