fix: 删除 super 属性按规范报错并补 setPrototypeOf 内置

2026-10-24 18:51:13 +08:00 · 2026-09-18 01:06:48 +00:00
parent 75eb0294c4
commit ac6a48412b
7 changed files with 132 additions and 0 deletions
@@ -245,6 +245,14 @@ impl Emitter {
                ctx.inst(Inst::load_const(Operand::Reg(reg), idx));
                Ok(reg)
            }
+            Expression::StaticMemberExpression(member) if matches!(&member.object, Expression::Super(_)) => {
+                // super 属性引用不可删除：在求值引用之前直接抛 ReferenceError。
+                self.emit_throw_error("ReferenceError", "Cannot delete a super reference", ctx)
+            }
+            Expression::ComputedMemberExpression(member) if matches!(&member.object, Expression::Super(_)) => {
+                // super 属性引用不可删除：键表达式与基均不得先行求值。
+                self.emit_throw_error("ReferenceError", "Cannot delete a super reference", ctx)
+            }
            Expression::StaticMemberExpression(member) => {
                let obj_reg = self.emit_expression(&member.object, ctx)?;
                let prop_name = member.property.name.as_str();