mark_tokens.py 文件源码

def handle_comp(self, open_brace, node, first_token, last_token):
    # For list/set/dict comprehensions, we only get the token of the first child, so adjust it to
    # include the opening brace (the closing brace will be matched automatically).
    before = self._code.prev_token(first_token)
    util.expect_token(before, token.OP, open_brace)
    return (before, last_token)