feat: async-generator 语义(async function*),yield/await 共存 + next 返回 Promise
- emit 识别 generator+async 组合,模块同时标记 is_generator/is_async - 新增 AsyncGeneratorState:帧快照 + 请求队列 + 当前请求 - next/return/throw 返回 Promise,请求入队逐条处理 - YIELD 让出经 promise unwrap 后交付(yield rejected promise 关闭生成器) - AWAIT 挂起保留当前请求,微任务恢复后继续执行 - %AsyncGeneratorPrototype% / %AsyncGeneratorFunction.prototype% 内建 - session GC / promote 支持异步生成器状态盒 - 普通 async 函数嵌套调用隔离外层异步生成器上下文
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@@ -81,7 +81,9 @@ impl Emitter {
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let body_stmts: &[Statement] = if let Some(body) = &fe.body { &body.statements } else { &[] };
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let mut sub_module = if fe.generator {
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let mut sub_module = if fe.generator && fe.r#async {
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self.compile_async_generator_body(¶m_names, body_stmts, ctx)?
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} else if fe.generator {
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self.compile_generator_body(¶m_names, body_stmts, ctx)?
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} else if fe.r#async {
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self.compile_async_body(¶m_names, body_stmts, ctx, false, false)?
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