def evaluate(self, state: Evaluator.Evaluator.EvaluationState = None):
if state is None:
return self.evaluate(Evaluator.Evaluator.EvaluationState())
if self.__params is None:
self.__params = list()
state.bind_function(str(self.__identifier), (self.__return_type, self.__params, self.__body))
return None, Evaluator.ReturnType.CONTINUE
def evaluate(self, state: Evaluator.Evaluator.EvaluationState = None):
if state is None:
return self.evaluate(Evaluator.Evaluator.EvaluationState())
val, ret = self.__expr.evaluate(state)
if val is None:
super().evaluatorException("INTERPRETATION ERROR: Expected value got void")
current_val = state.lookup(str(self.__identifier))
if type(current_val) != type(val):
super().evaluatorException("INTERPRETATION ERROR: Expected {0} got {1} instead".format(
type(current_val).__name__, type(val).__name__))
state.bind(str(self.__identifier), val)
return val, Evaluator.ReturnType.CONTINUE
def evaluate(self, state: Evaluator.Evaluator.EvaluationState = None):
if state is None:
state = Evaluator.Evaluator.EvaluationState()
self.evaluate(state)
if not state.has_function("main"):
super().evaluatorException("INTERPRETATION ERROR: Required function 'main' not found")
main = state.lookup_function("main")
if main[2]:
val, ret = main[2].evaluate(state)
provided_type = type(val).__name__
if provided_type == "NoneType":
provided_type = "void"
if ret == Evaluator.ReturnType.RETURN and provided_type != main[0]:
super().evaluatorException("INTERPRETATION ERROR: Return type of 'main': {0}, provided {1} "
"instead".format(main[0], provided_type))
return
val, ret = self.__head.evaluate(state)
if self.__tail is not None and self.__tail != "" and ret != Evaluator.ReturnType.RETURN:
val, ret = self.__tail.evaluate(state)
return val, ret