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feat: 生成器基础支持（YIELD 帧快照挂起/恢复 + GeneratorPrototype next/return/throw）

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- 新增 YIELD/SUSPEND_BODY opcode；function* 识别与 yield emit
- GeneratorState 全量快照 VM 执行上下文（regs/pc/bytecode/spill/save/try/cell 栈段/迭代器）
- 调用时参数初始化（默认值/解构副作用与异常在 g() 时刻生效）
- %GeneratorPrototype%/%GeneratorFunction.prototype% 内建对象与 next/return/throw
- session GC trace 生成器状态 JsValues；闭包捕获分析补 yield/赋值目标扫描
This commit is contained in:
彭俊皓
2026-08-09 18:02:08 +08:00
parent cd1bc206a5
commit 783e89e4cb
26 changed files with 1265 additions and 107 deletions
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crates/oxide_ir/tests/lowering_tests.rs
+1 -1
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@@ -131,7 +131,7 @@ fn define_accessor_and_rest_object_carry_single_ext_word() {
let mut f = base_module();
f.insts
.push(Inst::define_accessor(Operand::Reg(0), Operand::Reg(1), Operand::Reg(2), 42));
f.insts.push(Inst::rest_object(Operand::Reg(3), Operand::Reg(4), 7));
f.insts.push(Inst::rest_object(Operand::Reg(3), Operand::Reg(4), 7, None));
let m = lower_ok(&f);
assert_eq!(m.bytecode.len(), 4);
assert_eq!(opcode::opcode(m.bytecode[0]), OpCode::DEFINE_ACCESSOR);