Revert codegen.rs to the previous version

nac3artiq/src/symbol_resolver.rs

@@ -1516,9 +1516,20 @@ impl SymbolResolver for Resolver {
         _: &mut CodeGenContext<'ctx, '_>,
         _: &mut dyn CodeGenerator,
     ) -> Option<ValueEnum<'ctx>> {
+        let (resolved_id, is_dunder) = if id.starts_with("__") && !id.ends_with("__") && !id.to_string().contains('.') {
+            if let Some(class_name) = self.get_class_name() {
+                let stripped_class_name = class_name.trim_start_matches('_');
+                let mangled_id: StrRef = format!("_{}{}", stripped_class_name, id).into();
+                (mangled_id, true)
+            } else {
+                (id, false)
+            }
+        } else {
+            (id, false)
+        };
         let sym_value = {
             let id_to_val = self.0.id_to_pyval.read();
-            id_to_val.get(&id).cloned()
+            id_to_val.get(&resolved_id).cloned()
         }
         .or_else(|| {
             Python::with_gil(|py| -> PyResult<Option<(u64, PyObject)>> {
@@ -1527,14 +1538,14 @@ impl SymbolResolver for Resolver {
                 let members: &PyDict = obj.getattr("__dict__").unwrap().downcast().unwrap();
                 for (key, val) in members {
                     let key: &str = key.extract()?;
-                    if key == id.to_string() {
+                    if key == resolved_id.to_string() {
-                        let id = self.0.helper.id_fn.call1(py, (val,))?.extract(py)?;
+                        let pyid = self.0.helper.id_fn.call1(py, (val,))?.extract(py)?;
-                        sym_value = Some((id, val.extract()?));
+                        sym_value = Some((pyid, val.extract()?));
                         break;
                     }
                 }
                 if let Some((pyid, val)) = &sym_value {
-                    self.0.id_to_pyval.write().insert(id, (*pyid, val.clone()));
+                    self.0.id_to_pyval.write().insert(resolved_id, (*pyid, val.clone()));
                 }
                 Ok(sym_value)
             })