def evaluateType(self, s):
lhsType = self.lhs.evaluateType(s)
rhsType = self.rhs.evaluateType(s)
if lhsType != rhsType:
print(CustomError('SH??: Non - matching expression types \'{}\' and \'{}\''.format(lhsType, rhsType)))
if lhsType != Tag.INTEGER_LITERAL:
print(CustomError('SH??: Non-integer type in integer-only operator expression \'{}\''.format(lhsType)))
return Tag.lhsType
def evaluateType(self, s):
lhsType = self.lhs.evaluateType(s)
rhsType = self.rhs.evaluateType(s)
if lhsType != rhsType:
print(CustomError('SH??: Non - matching expression types \'{}\' and \'{}\''.format(lhsType, rhsType)))
if lhsType != Tag.BOOLEAN:
print(CustomError('SH??: Non - boolean type in logic operator expression \'{}\''.format(lhsType)))
return Tag.BOOLEAN
def evaluateType(self, s):
funcDec = s.analyzer.find_function_declaration(self.id, s)
funcParams = funcDec.get_params()
callParams = self.get_params()
if funcDec is not None:
print(CustomError('SH19: Trying to call func {} but it\'s not declared'.format(self.id)))
if len(funcParams) != len(callParams):
print(CustomError('SH20: Func {} has {} params, called with {}'.format(self.id, len(funcParams), len(callParams))))
for i in range(len(funcParams)):
expectedType = funcParams[i].get_type()
actualType = callParams[i].evaluateType(s)
if expectedType != actualType:
print(CustomError('SH21: Param at index {} expected to have type {} got {}'.format(i+1, expectedType, actualType)))
return s.analyzer.find_function_declaration(self.id, s).get_return_type()
def validate(self, req):
start_time = datetime.strptime(req.GET.get('start_time'), '%Y-%m-%d %H:%M:%S')
end_time = datetime.strptime(req.GET.get('end_time'), '%Y-%m-%d %H:%M:%S')
datetime_interval = int(req.GET.get('interval'))
if end_time < start_time:
raise CustomError(ErrEnums.DatetimeParamsError)
interval = end_time - start_time
if datetime_interval == DatetimeInterval.HOURS:
if int(interval / two_hours) > 24:
raise CustomError(ErrEnums.DatetimeIntervalError)
if datetime_interval == DatetimeInterval.DAY:
if int(interval / one_day) > 24:
raise CustomError(ErrEnums.DatetimeIntervalError)
# TODO 加入对月的统计
# if datetime_interval == DatetimeInterval.MONTH:
# raise CustomError(ErrEnums.DatetimeIntervalError)
return {
'start_time': start_time,
'end_time': end_time,
'datetime_interval': datetime_interval
}
def getIdentifiers(self):
print(CustomError('Method not implemented.'))
def evaluateType(self, s):
print(CustomError('Method not implemented.'))
def evaluateType(self, s):
type = self.value.evaluateType(s);
if type != Tag.INTEGER:
print(CustomError('SH??: Non-integer type in integer-only operator expression \'{}\''.format(type)))
return Tag.INTEGER
def evaluateType(self, s):
type = self.value.evaluateType(s)
if type != Tag.BOOLEAN:
print(CustomError('SH??: Non - boolean type in logic operator expression \'{}\''.format(type)))
return Tag.BOOLEAN
