A data object has the following syntax definition
object : identifier optional_name TOKEN_OBRACE
optional_class_id
data_parts_list
TOKEN_CBRACE
data_parts_list : data_part
| data_parts_list data_part
data_part : data_reference
| object
| number_list
| float_list
| string_list
number_list : TOKEN_INTEGER_LIST
float_list : TOKEN_FLOAT_LIST
string_list : string_list_1 list_separator
string_list_1 : string
| string_list_1 list_separator string
list_separator : comma
| semicolon
string : TOKEN_STRING
identifier : name
| primitive_type
data_reference : TOKEN_OBRACE name optional_class_id TOKEN_CBRACE