fix: defineProperty 内部错误不触发 unwind + enumerable/configurable 缺省回填

crates/oxide_vm/src/dispatch/misc.rs

@@ -157,12 +157,18 @@ impl Vm {
 
         // length：实参个数，可写、不可枚举、可配置。
         let length_si = self.kernel_core.perm_interner().intern("length").0;
-        self.define_data_property(obj, length_si, JsValue::int(count as i32), PropAttributes::new(true, false, true))?;
+        if let Err(msg) =
+            self.define_data_property(obj, length_si, JsValue::int(count as i32), PropAttributes::new(true, false, true))
+        {
+            return self.raise_error_kind("TypeError", &msg);
+        }
 
         // callee：当前执行函数，可写、不可枚举、可配置（严格模式应抛 TypeError，未支持）。
         let callee_si = self.kernel_core.perm_interner().intern("callee").0;
         let callee = self.current_callee().unwrap_or(JsValue::undefined());
-        self.define_data_property(obj, callee_si, callee, PropAttributes::new(true, false, true))?;
+        if let Err(msg) = self.define_data_property(obj, callee_si, callee, PropAttributes::new(true, false, true)) {
+            return self.raise_error_kind("TypeError", &msg);
+        }
 
         self.regs[rd] = JsValue::from_js_object(obj_ptr);
         Ok(())

crates/oxide_vm/src/vm_dispatch_ctrl.rs

@@ -118,7 +118,10 @@ impl Vm {
         } else {
             setter
         };
-        self.define_accessor_property(obj, prop_name_si, get, set, PropAttributes::DEFAULT_DATA)
+        match self.define_accessor_property(obj, prop_name_si, get, set, PropAttributes::DEFAULT_DATA) {
+            Ok(()) => Ok(()),
+            Err(msg) => self.raise_error_kind("TypeError", &msg),
+        }
     }
 
     pub(crate) fn dispatch_return(&mut self, rd: usize) -> Result<Option<JsValue>, String> {

crates/oxide_vm/src/vm_props.rs

@@ -346,18 +346,18 @@ impl Vm {
         if let Some(current) = obj.prop_meta_at(pos) {
             if !current.attributes.configurable() {
                 if current.is_accessor {
-                    return self.raise_type_error("cannot redefine non-configurable property");
+                    return Err("cannot redefine non-configurable property".to_string());
                 }
                 if current.attributes.enumerable() != attributes.enumerable() {
-                    return self.raise_type_error("cannot redefine non-configurable property");
+                    return Err("cannot redefine non-configurable property".to_string());
                 }
                 if !current.attributes.writable()
                     && (attributes.writable() || !coercion::same_value(obj.get_prop_at(pos), val))
                 {
-                    return self.raise_type_error("cannot redefine non-configurable property");
+                    return Err("cannot redefine non-configurable property".to_string());
                 }
                 if current.attributes.configurable() != attributes.configurable() {
-                    return self.raise_type_error("cannot redefine non-configurable property");
+                    return Err("cannot redefine non-configurable property".to_string());
                 }
             }
         }
@@ -399,7 +399,7 @@ impl Vm {
                     || current.get != get
                     || current.set != set)
             {
-                return self.raise_type_error("cannot redefine non-configurable property");
+                return Err("cannot redefine non-configurable property".to_string());
             }
         }
         obj.set_prop_storage(pos, JsValue::undefined());
@@ -422,28 +422,28 @@ impl Vm {
     ) -> Result<(), String> {
         let pos = index as usize;
         if pos > oxide_types::object::MAX_DENSE_PROPS {
-            return self.raise_type_error("array index out of dense range");
+            return Err("array index out of dense range".to_string());
         }
         let pos = pos as u32;
         if let Some(current) = obj.prop_meta_at(pos) {
             if !current.attributes.configurable() {
                 if current.is_accessor != is_accessor {
-                    return self.raise_type_error("cannot redefine non-configurable property");
+                    return Err("cannot redefine non-configurable property".to_string());
                 }
                 if current.attributes.enumerable() != attributes.enumerable() {
-                    return self.raise_type_error("cannot redefine non-configurable property");
+                    return Err("cannot redefine non-configurable property".to_string());
                 }
                 if current.attributes.configurable() != attributes.configurable() {
-                    return self.raise_type_error("cannot redefine non-configurable property");
+                    return Err("cannot redefine non-configurable property".to_string());
                 }
                 if is_accessor {
                     if current.get != get || current.set != set {
-                        return self.raise_type_error("cannot redefine non-configurable property");
+                        return Err("cannot redefine non-configurable property".to_string());
                     }
                 } else if !current.attributes.writable()
                     && (attributes.writable() || !coercion::same_value(obj.get_prop_at(pos), val))
                 {
-                    return self.raise_type_error("cannot redefine non-configurable property");
+                    return Err("cannot redefine non-configurable property".to_string());
                 }
             }
         }