def loc_end(self, loc_end):
if isinstance(loc_end, str): loc_end = splitloc(loc_end)
assert loc_end is None or isinstance(loc_end, Loc)
self._loc_end = loc_end
def loc(self, loc):
if isinstance(loc, str): loc = splitloc(loc)
assert loc is None or isinstance(loc, Loc)
self._loc = loc
