E_NONE
expr_print(e, expr_print_file_helper, out, E_NONE);
expr_print(e, expr_print_gstr_helper, gs, E_NONE);
expr_print(e, fn, data, E_NONE);
case E_NONE:
case E_NONE:
expr_print_help, &stream, E_NONE);
expr_print(sym->rev_dep.expr, expr_print_help, &stream, E_NONE);
&stream, E_NONE);
&stream, E_NONE);