Fix unintentionally overwritten method_list - #7

I would like to thank the authors of this repository for their work on this project, which has been invaluable for AI4code projects. However, I found a bug in the code that should not be present.

The error is that the method_list variable is overwritten on line 56. This means that the method_list variable will only contain the methods of the last extend time.

To fix this error, instead of overwriting the method_list variable, I created a new variable, current_class_methods, to store the methods of the current class (check out my PR). Then, I extend the current_class_methods variable to the method_list list safely (line 64). This ensures that the method_list list contains all of the methods for all of the classes in the method_list list.

Here is the corrected code,

  cls_list = parser.get_class_list(root_node)
  method_list = []
  cls_metadata = []
  for _cls in cls_list:
      cls_info = parser.get_class_metadata(_cls)
      cls_info["code"] = get_node_text(_cls)

      cls_method = []
      current_class_methods = parser.get_function_list(_cls)
      for method in current_class_methods:
          method_info = parser.get_function_metadata(method)
          method_info['code'] = get_node_text(method)
          cls_method.append(method_info)

      cls_info["method"] = cls_method
      cls_metadata.append(cls_info)
      method_list.extend(current_class_methods)