fix: bind_constructor 宏补 length 描述符 meta

crates/oxide_vm/src/bindings/bind_date.rs

@@ -2,7 +2,7 @@ use std::sync::Arc;
 
 use crate::bindings::{apply_binding_table, bind_global_value, configure_native_constructor};
 use oxide_kernel::kernel::{KernelCore, KernelSession};
-use oxide_types::object::JsObject;
+use oxide_types::object::{JsObject, PropAttributes};
 use oxide_types::value::JsValue;
 
 /// 把 Date 构造器与原型方法绑定到 global。
@@ -13,6 +13,13 @@ pub fn bind_date(core: &Arc<KernelCore>, session: &KernelSession, global: &mut J
     let proto = unsafe { &mut *proto_ptr };
 
     configure_native_constructor(ctor, oxide_builtins::date::date_constructor::<crate::vm::Vm> as *const (), 7);
+    // Date.length = 7，描述符 { writable:false, enumerable:false, configurable:true }。
+    let length_si = core.perm_interner().intern("length").0;
+    let length_shape = core.shape_forge().make_shape(ctor.shape_id(), length_si);
+    ctor.set_shape_id(length_shape);
+    ctor.ensure_hash_props().push(JsValue::int(7));
+    let length_pos = ctor.hash_props_vec().map_or(0, |v| v.len() as u32).saturating_sub(1);
+    ctor.set_data_meta(length_pos, PropAttributes::new(false, false, true));
 
     apply_binding_table(
         session.builtin_world(),

crates/oxide_vm/src/bindings/bind_map.rs

@@ -59,5 +59,5 @@ pub fn bind_map(core: &Arc<KernelCore>, session: &KernelSession, global: &mut Js
         &[("groupBy", oxide_builtins::map::map_group_by::<crate::vm::Vm> as *const (), 2)],
     );
 
-    bind_constructor!(core, global, "Map", ctor_ptr, oxide_builtins::map::map_constructor::<crate::vm::Vm>, 1, hash: true);
+    bind_constructor!(core, global, "Map", ctor_ptr, oxide_builtins::map::map_constructor::<crate::vm::Vm>, 0, hash: true);
 }

crates/oxide_vm/src/bindings/bind_set.rs

@@ -64,5 +64,5 @@ pub fn bind_set(core: &Arc<KernelCore>, session: &KernelSession, global: &mut Js
         oxide_builtins::array::array_species_get::<crate::vm::Vm> as *const (),
     );
 
-    bind_constructor!(core, global, "Set", ctor_ptr, oxide_builtins::set::set_constructor::<crate::vm::Vm>, 1, hash: true);
+    bind_constructor!(core, global, "Set", ctor_ptr, oxide_builtins::set::set_constructor::<crate::vm::Vm>, 0, hash: true);
 }

crates/oxide_vm/src/bindings/bind_string.rs

@@ -56,6 +56,13 @@ pub fn bind_string(core: &Arc<KernelCore>, session: &KernelSession, global: &mut
     let ctor_ptr = session.builtin_world().string_constructor.as_ptr() as *mut JsObject;
     let ctor = unsafe { &mut *ctor_ptr };
     configure_native_constructor(ctor, oxide_builtins::string::string_constructor::<crate::vm::Vm> as *const (), 1);
+    // String.length = 1，描述符 { writable:false, enumerable:false, configurable:true }。
+    let length_si = core.perm_interner().intern("length").0;
+    let length_shape = core.shape_forge().make_shape(ctor.shape_id(), length_si);
+    ctor.set_shape_id(length_shape);
+    ctor.ensure_hash_props().push(JsValue::int(1));
+    let length_pos = ctor.hash_props_vec().map_or(0, |v| v.len() as u32).saturating_sub(1);
+    ctor.set_data_meta(length_pos, PropAttributes::new(false, false, true));
 
     let proto_ptr = session.builtin_world().string_proto.as_ptr() as *mut JsObject;
     let proto = unsafe { &mut *proto_ptr };

crates/oxide_vm/src/bindings/bind_symbol.rs

@@ -52,7 +52,7 @@ pub fn bind_symbol(core: &Arc<KernelCore>, session: &KernelSession, global: &mut
         bind_well_known_symbol(core, ctor, name, JsValue::symbol(id as u32));
     }
 
-    bind_constructor!(core, global, "Symbol", ctor_ptr, oxide_builtins::symbol::symbol_constructor::<crate::vm::Vm>, 1, hash: true);
+    bind_constructor!(core, global, "Symbol", ctor_ptr, oxide_builtins::symbol::symbol_constructor::<crate::vm::Vm>, 0, hash: true);
 }
 
 fn bind_well_known_symbol(core: &Arc<KernelCore>, ctor: &mut JsObject, name: &str, val: JsValue) {

crates/oxide_vm/src/bindings/mod.rs

@@ -101,6 +101,10 @@ macro_rules! bind_constructor {
         let length_shape = $core.shape_forge().make_shape(ctor.shape_id(), length_si);
         ctor.set_shape_id(length_shape);
         ctor.ensure_hash_props().push($crate::JsValue::int($nargs as i32));
+        // length 描述符 { writable:false, enumerable:false, configurable:true }
+        // （规范构造器通用面；不写 meta 缺省全枚举会泄漏进 Object.keys）。
+        let length_pos = ctor.hash_props_vec().map_or(0, |v| v.len() as u32).saturating_sub(1);
+        ctor.set_data_meta(length_pos, oxide_types::object::PropAttributes::new(false, false, true));
     }};
 }