def test_first():
lexer = Lexer()
parser = Parser(lexer)
parser.closure(None)
from lexer.Tag import Tag
from lexer.lexer import Lexer
from myparser.cfg import Production, Nonterminal, Terminal
from myparser.item import Item
from myparser.parser import Parser
if __name__ == '__main__':
lexer = Lexer()
parser = Parser(lexer)
items = []
items.append(
Item(Production(Nonterminal('G'), [Nonterminal('program')]),
[Terminal(Tag.END, '$')]))
for item in parser.closure(items):
print(item.__str__())