refactor: match 可改 ? 的等价改写

crates/oxide_kernel/src/shape_forge.rs

@@ -185,8 +185,7 @@ impl ShapeForge {
         let mut prop_steps: u32 = 0;
         let mut cursor = Some(shape_id);
         while let Some(id) = cursor {
-            match shapes.get((id - 1) as usize).and_then(|s| s.clone()) {
-                Some(s) => {
+            let s = shapes.get((id - 1) as usize).and_then(|s| s.clone())?;
             if s.property_name != EMPTY_SENTINEL {
                 if s.property_name == prop_name {
                     let pos = total_depth.checked_sub(prop_steps + 1)?;
@@ -198,9 +197,6 @@ impl ShapeForge {
             }
             cursor = s.parent;
         }
-                None => return None,
-            }
-        }
         None
     }
 

crates/oxide_types/src/shape.rs

@@ -105,17 +105,13 @@ impl ShapeStore {
         let mut step: u32 = 0;
         cursor = Some(shape_id);
         while let Some(id) = cursor {
-            match self.get_shape(id) {
-                Some(s) => {
+            let s = self.get_shape(id)?;
             if s.property_name == prop_name && s.property_name != EMPTY_SENTINEL {
                 return Some(total_depth - step - 1);
             }
             cursor = s.parent;
             step += 1;
         }
-                None => return None,
-            }
-        }
         None
     }
 

crates/oxide_vm/src/dispatch/call.rs

@@ -492,8 +492,7 @@ impl Vm {
                 NativeResult::TailCall { callee, this, args } => {
                     // 如 bound 函数：解析尾调用，用其返回值作为构造实例
                     // （或回退到 derived_this）。
-                    match self.call_function_sync(callee, this, &args) {
-                        Ok(val) => {
+                    let val = self.call_function_sync(callee, this, &args)?;
                     let instance = if val.is_object() { val } else { derived_this };
                     if instance.is_object() {
                         self.set_constructed_proto(instance, new_target_obj)?;
@@ -502,9 +501,6 @@ impl Vm {
                     self.regs[rd] = self.regs[254];
                     self.mark_super_called();
                 }
-                        Err(e) => return Err(e),
-                    }
-                }
             }
         } else if super_obj.sub_module_index() > 0 {
             let sub_idx = super_obj.sub_module_index() as usize;