def METHOD_NAME(objects, get_id, get_expr):
    """
    Sort a list of objects according to their expressions.
    Args:
        objects: the list of objects to sort
        get_id: the function to extract an id from the object
        get_expr: the function to extract an expression from the object
    Returns:
        a list of sorted objects
    """
    id2obj = {get_id(obj): obj for obj in objects}
    # Map obj id to expression code
    id2expr = {get_id(obj): get_expr(obj) for obj in objects}
    # Sort according to dependency
    sorted_ids = _sort_variables(id2expr)
    # Return list of sorted objects
    return [id2obj[id] for id in sorted_ids]