def testFilters(self):
t = tokenizer.LazyTokenizer("5 + 5 == foobar and 'hello, world!'")
ts = token_stream.TokenStream(tokenizer=t)
self.assertTrue(ts.accept(grammar.literal))
self.assertFalse(ts.accept(grammar.literal))
with self.assertRaises(errors.EfilterParseError):
ts.expect(grammar.literal)
self.assertTrue(ts.accept(grammar.symbol))
with self.assertRaises(errors.EfilterParseError):
ts.reject(grammar.literal)
def __init__(self, original, params=None):
super(Parser, self).__init__(original)
self.tokens = token_stream.TokenStream(
tokenizer.LazyTokenizer(self.original))
if isinstance(params, list):
self.params = {}
for idx, val in enumerate(params):
self.params[idx] = val
elif isinstance(params, dict):
self.params = params
elif params is None:
self.params = {}
else:
raise TypeError("Params must be a list or a dict, not %r." %
type(params))
def __init__(self, operators, tokenizer):
self.operators = grammar.OperatorTable(*operators)
self.tokens = token_stream.TokenStream(tokenizer)