def compile(re_str):
lex = Lexer(tokenDefiniton)
lex.run(re_str)
tree = RegExParser(lex).regex()
idg = IDGenerator()
nfa = tree.get_nfa(idg)
return nfa
def test_combination1_parser(self):
re = "(0|1)*010"
l = LexicalAnalyzer()
l.run(re)
parser = RegExParser(l)
tree = parser.regex()
print(tree)
self.assertEqual(tree.__repr__() == re, True)
def test_star_parser(self):
re = "a**"
l = LexicalAnalyzer()
l.run(re)
parser = RegExParser(l)
tree = parser.regex()
print(tree)
self.assertEqual(tree.__repr__() == re, True)
def drawNFA(reInput, file=None):
lex = LexicalAnalyzer()
lex.run(reInput)
parser = RegExParser(lex)
tree = parser.regex()
idgenerator = IDGenerator()
nfa = tree.get_nfa(idgenerator)
drawGraphNFA(nfa, file)