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feat: 迭代协议支持对象字面量 computed key 与 upvalue 捕获

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This commit is contained in:
彭俊皓
2026-08-07 10:49:24 +08:00
parent fd94ff6931
commit 91528d9c19
4 changed files with 118 additions and 17 deletions
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crates/oxide_emit/src/expr/operator/mod.rs
+8 -6
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@@ -261,11 +261,12 @@ impl Emitter {
let uv_idx = ctx.current_upvalue_captures.iter().position(|u| u.name == name);
let captured_cell = ctx.captured_bindings.get(name).copied();
if let Some(uv) = uv_idx {
// upvalue：LOAD_UPVALUE + 常量 1 + ADD/SUB + STORE_UPVALUE
let val_reg = ctx.alloc_reg();
// upvalue：LOAD_UPVALUE + 常量 1 + ADD/SUB + STORE_UPVALUE；
// 后缀形式返回旧值（前缀返回新值）。
let old_reg = ctx.alloc_reg();
ctx.inst(Inst::new(
OpCode::LOAD_UPVALUE,
Operand::Reg(val_reg),
Operand::Reg(old_reg),
Operand::Imm(uv as u16),
Operand::None,
));
@@ -277,14 +278,15 @@ impl Emitter {
} else {
OpCode::SUB
};
ctx.inst(Inst::new(op, Operand::Reg(val_reg), Operand::Reg(val_reg), Operand::Reg(one_reg)));
let new_reg = ctx.alloc_reg();
ctx.inst(Inst::new(op, Operand::Reg(new_reg), Operand::Reg(old_reg), Operand::Reg(one_reg)));
ctx.inst(Inst::new(
OpCode::STORE_UPVALUE,
Operand::None,
Operand::Reg(val_reg),
Operand::Reg(new_reg),
Operand::Imm(uv as u16),
));
Ok(val_reg)
Ok(if update.prefix { new_reg } else { old_reg })
} else if let Some(cell_idx) = captured_cell {
// 被捕获 cell：CELL_GET + 常量 1 + ADD/SUB + CELL_SET
let val_reg = ctx.alloc_reg();