Relocate vm.del_attr to obj.del_attr

Author: Limits0x

vm/src/frame.rs

@@ -1810,7 +1810,7 @@ impl ExecutingFrame<'_> {
     fn delete_attr(&mut self, vm: &VirtualMachine, attr: bytecode::NameIdx) -> FrameResult {
         let attr_name = self.code.names[attr as usize].clone();
         let parent = self.pop_value();
-        vm.del_attr(&parent, attr_name)?;
+        parent.del_attr(attr_name, vm)?;
         Ok(None)
     }
 

vm/src/protocol/object.rs

@@ -74,7 +74,8 @@ impl PyObjectRef {
     // int PyObject_GenericSetAttr(PyObject *o, PyObject *name, PyObject *value)
 
     pub fn del_attr(&self, attr_name: impl IntoPyStrRef, vm: &VirtualMachine) -> PyResult<()> {
-        vm.del_attr(self, attr_name)
+        let attr_name = attr_name.into_pystr_ref(vm);
+        self.call_set_attr(vm, attr_name, None)
     }
 
     // PyObject *PyObject_GenericGetDict(PyObject *o, void *context)

vm/src/stdlib/builtins.rs

@@ -186,7 +186,7 @@ mod builtins {
 
     #[pyfunction]
     fn delattr(obj: PyObjectRef, attr: PyStrRef, vm: &VirtualMachine) -> PyResult<()> {
-        vm.del_attr(&obj, attr)
+        obj.del_attr(attr, vm)
     }
 
     #[pyfunction]

vm/src/vm.rs

@@ -1413,11 +1413,6 @@ impl VirtualMachine {
         }
     }
 
-    pub fn del_attr(&self, obj: &PyObjectRef, attr_name: impl IntoPyStrRef) -> PyResult<()> {
-        let attr_name = attr_name.into_pystr_ref(self);
-        obj.call_set_attr(self, attr_name, None)
-    }
-
     // get_method should be used for internal access to magic methods (by-passing
     // the full getattribute look-up.
     pub fn get_method_or_type_error<F>(