Files
OxideJS-New/crates/oxide_vm/src/bindings/bind_iterator.rs
T
pjh123 227dfe008f fix: test262 runner 进程 RSS 无界增长——session 收尾统一释放内建裸堆区/upvalue 别名 + 每测试分配上限 256MiB(任务 116)
- 泄漏修复:KernelSession 收尾(teardown_intrinsic_protos/free_session_upvalues)
  释放内建对象 Box::into_raw 裸堆区(release_raw_heap 四区置空幂等)与
  session upvalue 原件/晋升克隆别名去重释放;bindings 原生盒负载边、
  session_gc 边记录、vm_props 属性区同步收尾
- 失控测试封顶:runner kernel max_alloc_bytes=256MiB(dispatch 采样口径
  run_alloc_bytes/run_alloc_bytes_full),超限计 memory-limit 失败而非拖垮
  进程 RSS(arena 高水位 GB 级 × 多 worker = 宿主 OOM)
- 归属:RSS 泄漏 pre-existing(HEAD 无 WIP 同现);identifiers escaped
  unicode 挂死族另立 B132(pre-existing,supervise 超时自愈)
- 验证:build/clippy/四 crate 测试全绿零新增告警;language 前 5000 测试
  单窗峰值 330MB(旧 ~4.5MB/测试 单调增长→88GB OOM 签名消失),
  窗口间峰值 0.17-1.6GB 有界、逐测试释放回基线
2026-09-11 03:55:59 +00:00

42 lines
1.8 KiB
Rust

use std::sync::Arc;
use oxide_kernel::kernel::{KernelCore, KernelSession};
use oxide_kernel::shape_forge::EMPTY_SHAPE_ID;
use oxide_types::object::JsObject;
use oxide_types::value::JsValue;
use crate::bindings::{
apply_binding_table, bind_global_value, bind_iterator_ctor_identity, bind_iterator_function_prototype,
configure_native_constructor,
};
/// 绑定 `Iterator` 全局构造器(`prototype` = %IteratorPrototype%、`from` 方法)。
///
/// 迭代器原型方法(%IteratorPrototype% 的 `@@iterator` 与各集合原型 `next`)由
/// `rebind_dirty_builtins` 的 object 分支统一安装,本入口不重复绑定,避免
/// 保留原型经 dirty reset 时属性槽膨胀。
pub fn bind_iterator(core: &Arc<KernelCore>, session: &KernelSession, global: &mut JsObject) {
let function_proto = session.builtin_world().function_proto.as_ptr() as *mut JsObject;
let mut iterator = Box::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::from_js_object(function_proto)));
iterator.set_function(true);
configure_native_constructor(
&mut iterator,
oxide_builtins::iterator::iterator_constructor::<crate::vm::Vm> as *const (),
0,
);
bind_iterator_ctor_identity(core, &mut iterator);
bind_iterator_function_prototype(core, session, &mut iterator);
apply_binding_table(
session.builtin_world(),
&mut iterator,
core,
&[("from", oxide_builtins::iterator::iterator_from::<crate::vm::Vm> as *const (), 1)],
);
let iterator_ptr = Box::into_raw(iterator);
// 登记进 world 释放表:session 收尾统一释放构造器本体与属性区。
session.builtin_world().track_leaked_object(iterator_ptr);
bind_global_value(core, global, "Iterator", JsValue::from_js_object(iterator_ptr));
}