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style: 自动格式化
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@@ -423,15 +423,13 @@ fn stmt_has_top_level_await(stmt: &Statement) -> bool {
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Statement::FunctionDeclaration(_) | Statement::ClassDeclaration(_) => false,
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// `export const/let/var x = await ...` 是顶层 await;
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// 函数/类声明形态不进入(体是独立异步语义边界,与裸声明臂同口径)。
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Statement::ExportNamedDeclaration(exp) => {
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exp.declaration.as_ref().is_some_and(|decl| match decl {
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Declaration::VariableDeclaration(vd) => vd
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.declarations
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.iter()
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.any(|d| d.init.as_ref().is_some_and(|i| expr_has_top_level_await(i))),
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_ => false,
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})
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}
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Statement::ExportNamedDeclaration(exp) => exp.declaration.as_ref().is_some_and(|decl| match decl {
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Declaration::VariableDeclaration(vd) => vd
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.declarations
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.iter()
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.any(|d| d.init.as_ref().is_some_and(|i| expr_has_top_level_await(i))),
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_ => false,
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}),
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// `export default await ...` 是顶层 await;函数/类声明形态不进入(同口径)。
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Statement::ExportDefaultDeclaration(exp) => {
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exp.declaration.as_expression().is_some_and(expr_has_top_level_await)
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@@ -579,9 +579,8 @@ fn export_default_await_makes_module_async() {
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/// 不使模块异步——函数体是独立异步语义边界,不进入游走。
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#[test]
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fn export_named_async_fn_expr_not_tla() {
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let (ir, _) =
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emit_module("export const f = async () => { await Promise.resolve(1); };", "./entry.js", &[])
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.expect("导出异步函数表达式模块应编译成功");
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let (ir, _) = emit_module("export const f = async () => { await Promise.resolve(1); };", "./entry.js", &[])
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.expect("导出异步函数表达式模块应编译成功");
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assert!(!ir.is_async, "异步函数表达式体不得使模块标记异步");
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assert_eq!(ir.insts.iter().filter(|i| i.op == OpCode::AWAIT).count(), 0, "主身不得含 AWAIT");
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}
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