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fix: 修正捕获可见性过滤的前向捕获与隐式全局误判
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@@ -351,9 +351,9 @@ impl Emitter {
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let binding = ctx.scopes.symbols.lookup_any_binding(name);
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// 捕获集按名保留块级绑定,但块退出后名字已不可解析:此时不再视为
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// captured(typeof 对未解析引用求值 "undefined",不得 CELL_GET 误读
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// 已失效 cell)。
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// 已失效 cell)。隐式全局登记同样不算真实绑定。
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let captured = ctx.current_upvalue_captures.iter().any(|u| u.name == name)
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|| (ctx.captured_bindings.contains_key(name) && binding.is_some());
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|| (ctx.captured_bindings.contains_key(name) && ctx.visible_binding_reg(name).is_some());
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// 顶层已声明 var:typeof 读全局对象属性(顶层 var 的唯一存储,引擎侧不保留
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// 镜像副本),缺失 → "undefined"(非抛,IsUnresolvableReference 语义)。未声明名
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// 同走此路(lookup 未命中)。隐式全局槽(未声明名读写登记)同走属性路:
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