def insert_transitions(self, grammar, fsa, initial, final, tag):
def concatenation_build(symbols, grammar, fsa, initial, final, tag):
prev = initial
for n, symbol in enumerate(symbols):
if n + 1 == len(symbols):
next = final
else:
next = fsa.add_state()
symbol.insert_transitions(grammar, fsa, prev, next, tag)
prev = next
tag = Utilities.nvl(tag, ())
for concatenation in self.__fsot:
concatenation_build(concatenation, grammar, fsa, initial, final, tag)
def insert_transitions(self, grammar, fsa, initial, final, tag):
tag = Utilities.nvl(tag, ())
rhs = grammar[self.reference]
rhs.insert_transitions(grammar, fsa, initial, final, tag + (self.reference,))
