'Make an AST out of concrete @data_e'

def _convert_to_ast(self, data_e, size_e=None):

    if (type(data_e) is str):
        bits = (len(data_e) * 8)
        data_e = self.state.se.BVV(data_e, bits)
    elif (type(data_e) in (int, long)):
        data_e = self.state.se.BVV(data_e, ((size_e * 8) if (size_e is not None) else self.state.arch.bits))
    else:
        data_e = data_e.to_bv()
    return data_e
