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feat: class 公有字段 define 语义 + computed key 类定义期求值一次

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This commit is contained in:
爱特每羊队
2026-08-09 09:35:24 +08:00
parent d4fffcdcc6
commit 38abdfd9ab
15 changed files with 470 additions and 67 deletions
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crates/oxide_emit/src/expr/assignment.rs
+55 -15
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@@ -221,25 +221,65 @@ impl Emitter {
let store_label = ctx.next_label_id();
let end_label = ctx.next_label_id();
let name = id_ref.name.as_str();
let var_reg = ctx.lookup_or_global(name);
// 目标判定：upvalue / 被捕获 cell / 普通槽，读与写须穿透共享单元。
let uv_idx = ctx.current_upvalue_captures.iter().position(|u| u.name == name);
let captured_cell = ctx.captured_bindings.get(name).copied();
let result_reg = ctx.alloc_reg();
ctx.inst(Inst::new(
OpCode::LOAD_VAR,
Operand::Reg(result_reg),
Operand::Reg(var_reg),
Operand::None,
));
if let Some(uv) = uv_idx {
ctx.inst(Inst::new(
OpCode::LOAD_UPVALUE,
Operand::Reg(result_reg),
Operand::Imm(uv as u16),
Operand::None,
));
} else if let Some(cell_idx) = captured_cell {
let a_operand = match ctx.scopes.symbols.lookup_any_binding(name) {
Some((binding, _)) => Operand::Reg(binding.reg),
None => Operand::None,
};
ctx.inst(Inst::new(
OpCode::CELL_GET,
Operand::Reg(result_reg),
a_operand,
Operand::Imm(cell_idx as u16),
));
} else {
let var_reg = ctx.lookup_or_global(name);
ctx.inst(Inst::new(
OpCode::LOAD_VAR,
Operand::Reg(result_reg),
Operand::Reg(var_reg),
Operand::None,
));
}
self.emit_logical_assign_test(logical_op, result_reg, store_label, end_label, ctx)?;
ctx.labels.set_label_pos(store_label, ctx.insts.len());
let val_reg = self.emit_expression(&assign.right, ctx)?;
let is_const = ctx.lookup_const_flag(name);
let const_flag = if is_const { 1 } else { 0 };
ctx.inst(Inst::new(
OpCode::STORE_VAR,
Operand::Reg(var_reg),
Operand::Reg(val_reg),
Operand::Imm(const_flag),
));
if let Some(uv) = uv_idx {
ctx.inst(Inst::new(
OpCode::STORE_UPVALUE,
Operand::None,
Operand::Reg(val_reg),
Operand::Imm(uv as u16),
));
} else if let Some(cell_idx) = captured_cell {
ctx.inst(Inst::new(
OpCode::CELL_SET,
Operand::None,
Operand::Reg(val_reg),
Operand::Imm(cell_idx as u16),
));
} else {
let is_const = ctx.lookup_const_flag(name);
let const_flag = if is_const { 1 } else { 0 };
let var_reg = ctx.lookup_or_global(name);
ctx.inst(Inst::new(
OpCode::STORE_VAR,
Operand::Reg(var_reg),
Operand::Reg(val_reg),
Operand::Imm(const_flag),
));
}
ctx.inst(Inst::new(
OpCode::LOAD_VAR,
Operand::Reg(result_reg),