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fix: class 类名绑定经 dedicated cell 捕获（C===Cv 恒等）＋ upvalue 写入 const guard（getter 赋值抛 TypeError）

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This commit is contained in:
彭俊皓
2026-08-12 17:30:28 +08:00
parent 0a4e42334d
commit 0c22a0e968
10 changed files with 60 additions and 31 deletions
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crates/oxide_emit/src/class/method.rs
+9 -5
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@@ -12,9 +12,10 @@ use oxide_parser::{ClassElement, MethodDefinitionKind, PropertyKey};
const CLASS_METHOD_ATTRS: u32 = 0b101;
impl Emitter {
#[allow(clippy::too_many_arguments)]
pub(crate) fn emit_class_methods(
&self, elements: &[ClassElement], ctor_reg: u32, proto_reg: u32, self_binding: &[(&str, u32)],
key_slots: &[Option<u8>], ctx: &mut CompileCtx,
class_self_cell: Option<u8>, key_slots: &[Option<u8>], ctx: &mut CompileCtx,
) -> Result<(), String> {
for (element, &key_slot) in elements.iter().zip(key_slots) {
if let ClassElement::MethodDefinition(method) = element {
@@ -24,7 +25,7 @@ impl Emitter {
}
if matches!(method.key, PropertyKey::PrivateIdentifier(_)) {
let home_reg = if method.r#static { ctor_reg } else { proto_reg };
self.emit_private_method_init(Operand::Reg(home_reg), method, Operand::Reg(home_reg), ctx)?;
self.emit_private_method_init(Operand::Reg(home_reg), method, Operand::Reg(home_reg), self_binding, class_self_cell, ctx)?;
continue;
}
let home_reg = if method.r#static { ctor_reg } else { proto_reg };
@@ -39,7 +40,7 @@ impl Emitter {
self.class_property_name(&method.key)?
};
let accessor_reg =
self.emit_class_method_function(method, &method_name, Operand::Reg(home_reg), ctx, self_binding)?;
self.emit_class_method_function(method, &method_name, Operand::Reg(home_reg), ctx, self_binding, class_self_cell)?;
match method.kind {
MethodDefinitionKind::Method => {
// class 方法按规范为非枚举数据属性（DefineMethod：writable/configurable，enumerable=false）。
@@ -79,7 +80,7 @@ impl Emitter {
pub(crate) fn emit_class_method_function(
&self, method: &oxide_parser::MethodDefinition, method_name: &str, home_reg: Operand, ctx: &mut CompileCtx,
self_binding: &[(&str, u32)],
self_binding: &[(&str, u32)], class_self_cell: Option<u8>,
) -> Result<u32, String> {
let (param_names, body_stmts) = self.extract_function_parts(method.value.as_ref())?;
let saved_instance = ctx.in_instance_method;
@@ -88,12 +89,15 @@ impl Emitter {
ctx.in_static_method = method.r#static;
// 私有方法/访问器访问需对接收者做 brand 检查：方法函数捕获类 brand 对象
// （@@class_brand upvalue，值 = 类原型）。
let extra_uv: Vec<(&str, u8)> = ctx
let mut extra_uv: Vec<(&str, u8)> = ctx
.captured_bindings
.get("@@class_brand")
.map(|c| ("@@class_brand", *c))
.into_iter()
.collect();
if let (Some((name, _)), Some(c)) = (self_binding.first(), class_self_cell) {
extra_uv.push((name, c));
}
let method_value = method.value.as_ref();
let mut method_module = if method_value.r#async {
self.compile_function_body_with_field_hooks_gen(