Formula AI debugger, forward.
formula_debugger * add_debug_info(formula_debugger *fdb, int arg_number, const std::string &f_name)
variant evaluate_formula_callback(formula_debugger &fdb, const formula &f, const formula_callable &variables)
variant evaluate_arg_callback(formula_debugger &fdb, const formula_expression &expression, const formula_callable &variables)