def test_simple(self):
tokens = (
('OPEN_PAREN', '('),
('INT', '3'),
('CLOSE_PAREN', ')'),
)
start_state = 'A'
transitions = {
'A': (
('OPEN_PAREN', 'B'),
),
'B': (
('INT', 'C'),
),
'C': (
('CLOSE_PAREN', 'D'),
),
'D': (),
}
final_states = ('D')
result = parse(tokens, start_state, transitions, final_states)
self.assertEqual(result, ('(3)',))
def test_parser_empty(self):
tokens = (
('NOT_TOKEN', 'dsfsf'),
('TO', ' to '),
('AM_PM', ' PM'),
)
result = ()
stmts = parse(tokens, pa1.parser_q0, pa1.parser_transitions, pa1.parser_F)
self.assertEqual(stmts, result)
def test_parser_backtracking(self):
tokens = (
('24HOUR_TIME', '2322'),
('TO', ' to '),
('12HOUR_TIME', '11:00'),
('AT', ''),
('12HOUR_TIME', '11:00'),
)
result = (
'11:00',
'11:00',
)
stmts = parse(tokens, pa1.parser_q0, pa1.parser_transitions, pa1.parser_F)
self.assertEqual(stmts, result)
def test_parser_12_hour(self):
tokens = (
('12HOUR_TIME', '12:22'),
('TO', ' to '),
('24HOUR_TIME', '2300'),
('12HOUR_TIME', '12:00'),
('AM_PM', ' PM'),
('DASH', '-'),
('12HOUR_TIME', '1:12'),
('TO', ' to '),
)
result = (
'12:22',
'12:00 PM',
'1:12',
)
stmts = parse(tokens, pa1.parser_q0, pa1.parser_transitions, pa1.parser_F)
self.assertEqual(stmts, result)
def test_parser_24_hour(self):
tokens = (
('24HOUR_TIME', '2322'),
('TO', ' to '),
('NOT_TOKEN', 'dsfsf'),
('24HOUR_TIME', '2300'),
('AT', ''),
('24HOUR_TIME', '1133'),
('24HOUR_TIME', '0028'),
('TO', ' to '),
('24HOUR_TIME', '1100'),
('AM_PM', ' PM'),
)
result = (
'1133',
'0028 to 1100',
)
stmts = parse(tokens, pa1.parser_q0, pa1.parser_transitions, pa1.parser_F)
self.assertEqual(stmts, result)
def test_parser_informal_time(self):
tokens = (
('INFORMAL_TIME', '1'),
('TO', ' to '),
('NOT_TOKEN', 'dsfsf'),
('INFORMAL_TIME', '12'),
('DASH', '-'),
('INFORMAL_TIME', '11'),
('INFORMAL_TIME', '8'),
('TO', ' to '),
('INFORMAL_TIME', '11'),
('AM_PM', ' PM'),
)
result = (
'12-11',
'8 to 11 PM',
)
stmts = parse(tokens, pa1.parser_q0, pa1.parser_transitions, pa1.parser_F)
self.assertEqual(stmts, result)
(r'TO|DASH', 'B'),
),
'E': (),
'F': (
(r'TO|DASH', 'G'),
),
'G': (
('INFORMAL_TIME', 'H'),
),
'H': (
('AM_PM', 'I'),
),
'I': (),
'J': (
('AM_PM', 'I'),
(r'TO|DASH', 'K'),
),
'K': (
('12HOUR_TIME', 'L'),
),
'L': (
('AM_PM', 'I'),
),
}
parser_F = ('C', 'H', 'I', 'J', 'L')
if __name__ == '__main__':
tokens = lex(string, lexer_q0, lexer_transitions, lexer_F, tokenize_events)
print parse(tokens, parser_q0, parser_transitions, parser_F)
import os, sys
import fsm_parser
import fsm_builder
if __name__ == "__main__":
metadata = {}
fsm_parser.parse(sys.argv[1], metadata)
fsm_builder.build_world(metadata, sys.argv[2])