# -*- coding: utf-8 -*-

from vsg.token import package_instantiation_declaration as token
from vsg.vhdlFile import utils
from vsg.vhdlFile.classify import generic_map_aspect, identifier


def detect(iToken, lObjects):
    """
    package_instantiation_declaration ::=
        package identifier is new *uninstantiated_package*_name
            [ generic_map_aspect ] ;
    """

    if utils.are_next_consecutive_tokens(["package", None, "is", "new"], iToken, lObjects):
        return classify(iToken, lObjects)
    return iToken


def classify(iToken, lObjects):
    iCurrent = utils.assign_next_token_required("package", token.package_keyword, iToken, lObjects)

    iCurrent = identifier.classify(iCurrent, lObjects)

    iCurrent = utils.assign_next_token_required("is", token.is_keyword, iCurrent, lObjects)
    iCurrent = utils.assign_next_token_required("new", token.new_keyword, iCurrent, lObjects)
    iCurrent = utils.assign_next_token(token.uninstantiated_package_name, iCurrent, lObjects)

    iCurrent = generic_map_aspect.detect(iCurrent, lObjects)

    iCurrent = utils.assign_next_token_required(";", token.semicolon, iCurrent, lObjects)

    return iCurrent
