def add_rule(self, rule: Rule):
if (self.aaa_rules_handling_type is not AaaRulesHandlingType.NO_AAA_RULES
or not rule.is_non_terminal_to_terminal_terminal_rule()) and \
rule not in self.forbidden_rules:
self.rules.add(rule)
if rule.is_terminal(self.aaa_rules_handling_type):
self.terminal_rules.add(rule)
else:
self.non_terminal_rules.add(rule)
def test_is_non_terminal_to_terminal_terminal_rule_failure(self):
rule = Rule([self.left, self.rightTerminal])
self.assertFalse(rule.is_non_terminal_to_terminal_terminal_rule())
def test_is_non_terminal_to_terminal_terminal_rule(self):
rule = Rule([self.left, self.rightTerminal, self.rightTerminal])
self.assertTrue(rule.is_non_terminal_to_terminal_terminal_rule())
