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

2026-08-09 09:35:24 +08:00
parent d4fffcdcc6
commit 38abdfd9ab
15 changed files with 470 additions and 67 deletions
@@ -173,6 +173,12 @@ impl Inst {
        Self::with_ext(OpCode::DEFINE_ACCESSOR, home, get, set, &[key_idx])
    }

+    /// define 数据属性：target 为宿主对象，value/key 为寄存器。
+    /// 不触发原型链 setter，与 SET_PROP 语义不同。
+    pub fn define_prop(target: Operand, value: Operand, key: Operand) -> Self {
+        Self::new(OpCode::DEFINE_PROP, target, value, key)
+    }
+
    /// 静态删除属性：obj 同时放 rd/a 槽，const_idx 为属性名常量下标。
    pub fn delete_prop_static(obj: Operand, const_idx: u32) -> Self {
        Self::with_ext(OpCode::DELETE_PROP_STATIC, obj, obj, Operand::None, &[const_idx])