Compatibility issue with Bison 3.2

%code requires {

#include "ExprNode.hh"

#include "CodeInterpreter.hh"

/* Bison 3.2 passes semantic types through a macro, and commas in parametric

   types are interpreted as macro arguments, leading to a compilation error.

   Use type aliases to workaround the problem. */

using pair_2strings = pair<string,string>;

using tuple_4strings = tuple<string,string,string,string>;

}

%parse-param { ParsingDriver &driver }

%type <string> range vec_value_w_inf vec_value_1_w_inf

%type <string> integer_range signed_integer_range

%type <string> sub_sampling_options list_sub_sampling_option

%type <pair<string,string>> named_var_elem subsamples_eq_opt calibration_range integer_range_w_inf

%type <vector<pair<string,string>>> named_var named_var_1

%type <SymbolType> change_type_arg

%type <vector<string>> vec_str vec_str_1

%type <vector<string>> change_type_var_list

%type <vector<int>> vec_int_elem vec_int_1 vec_int vec_int_number

%type <PriorDistributions> prior_pdf prior_distribution

%type <tuple<string,string,string,string>> prior_eq_opt options_eq_opt

// The following types use aliases, see comment above in the file

%type <pair_2strings> named_var_elem subsamples_eq_opt calibration_range integer_range_w_inf

%type <vector<pair_2strings>> named_var named_var_1

%type <tuple_4strings> prior_eq_opt options_eq_opt

%%

%start statement_list;