def memo_result_cont(value, solver):
result_head = getvalue(values, solver.env)
result = result_head, solver.parse_state, value
solver.sign_state2results.setdefault(sign_state, []).append(result)
# TODO: prevent backtracking for greedy
for _, c in sign_state2cont:
yield c, value
def getvalue(self, env):
head = getvalue(self.head, env)
tail = getvalue(self.tail, env)
if head==self.head and tail==self.tail:
return self
return Cons(head, tail)
def getvalue(self, env): return getvalue(self.value, env) def setvalue(self, value): self.var.setvalue(value)
def getvalue(self, env): binding = env[self] if binding is self: return binding return getvalue(binding, env)
def getvalue(self, env):
result = self.deref(env)
if not isinstance(result, Var):
result = getvalue(result, env)
return result