- ui_out_field_string (uiout, "exp", varobj_get_expression (var));
- ui_out_field_int (uiout, "numchild", varobj_get_num_children (var));
+ {
+ std::string exp = varobj_get_expression (var);
+
+ uiout->field_string ("exp", exp.c_str ());
+ }
+ uiout->field_int ("numchild", varobj_get_num_children (var));