_filename is not used
            Args:
                _filename(string)

def output(self, _filename):
        """
            _filename is not used
            Args:
                _filename(string)
        """

        txt = ""
        for contract in self.contracts:
            print('Contract {}'.format(contract.name))
            for function in contract.functions:
                if function.contract == contract:
                    print('\tFunction {}'.format(function.full_name))
                    for node in function.nodes:
                        if node.expression:
                            print('\t\tExpression: {}'.format(node.expression))
                            print('\t\tIRs:')
                            for ir in node.irs:
                                print('\t\t\t{}'.format(ir))
                        elif node.irs:
                            print('\t\tIRs:')
                            for ir in node.irs:
                                print('\t\t\t{}'.format(ir))
            for modifier in contract.modifiers:
                if modifier.contract == contract:
                    print('\tModifier {}'.format(modifier.full_name))
                    for node in modifier.nodes:
                        print(node)
                        if node.expression:
                            print('\t\tExpression: {}'.format(node.expression))
                            print('\t\tIRs:')
                            for ir in node.irs:
                                print('\t\t\t{}'.format(ir))
        self.info(txt)