string_:
    string_ STRING
    {      
        $$ = $1 + d_scanner.matched();                                 
    }
|
    STRING
    {
        $$ = d_scanner.matched();
    }
;

string:
    string_
    {                               // store the string, return its SemVal
        $$ = SemVal{ e_str | e_const, 
                     use<int>(StringStore::instance().offset($1)) };
    }
;
