2 * Copyright © 2016 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
15 #include "ao_scheme.h"
18 ao_scheme_read_eval_print(FILE *read_file, FILE *write_file, bool interactive)
20 ao_poly in, out = AO_SCHEME_NIL;
22 ao_scheme_exception = 0;
25 fputs("> ", write_file);
26 in = ao_scheme_read(read_file);
27 if (in == _ao_scheme_atom_eof)
29 out = ao_scheme_eval(in);
30 if (ao_scheme_exception) {
31 if (ao_scheme_exception & AO_SCHEME_EXIT)
33 ao_scheme_exception = 0;
36 ao_scheme_poly_write(write_file, out, true);
37 putc('\n', write_file);