feat: async/await 语法支持（AWAIT 帧快照挂起/恢复 + 微任务驱动 + AsyncFunction intrinsics）

2026-10-24 02:31:13 +08:00 · 2026-08-09 22:02:15 +08:00
parent 538a5670dc
commit fd47cd56d0
28 changed files with 1055 additions and 28 deletions
@@ -203,6 +203,8 @@ define_opcodes! {
    SUSPEND_BODY = 0x77 => "SUSPEND_BODY",
    // `yield*` 委托：rd=内层可迭代对象；委托完成值经 reg 0 交付（与 YIELD 同协议）。
    YIELD_STAR = 0x78 => "YIELD_STAR",
+    // `await`：rd=被等待的值（PromiseResolve 包装）；挂起异步帧，恢复值经 reg 0 交付。
+    AWAIT = 0x79 => "AWAIT",

    // ── 位运算 (0x80-0x8F) ──
    BIT_AND = 0x80 => "BIT_AND",