altos/scheme: Rename to 'scheme', clean up build

[fw/altos] / src / scheme / ao_scheme_rep.c

diff --git a/src/scheme/ao_scheme_rep.c b/src/scheme/ao_scheme_rep.c
new file mode 100644 (file)
index 0000000..9dbce5f
--- /dev/null
+++ b/src/scheme/ao_scheme_rep.c
@@ -0,0 +1,36 @@
+/*
+ * Copyright © 2016 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+#include "ao_scheme.h"
+
+ao_poly
+ao_scheme_read_eval_print(void)
+{
+       ao_poly in, out = AO_SCHEME_NIL;
+       for(;;) {
+               in = ao_scheme_read();
+               if (in == _ao_scheme_atom_eof)
+                       break;
+               out = ao_scheme_eval(in);
+               if (ao_scheme_exception) {
+                       if (ao_scheme_exception & AO_SCHEME_EXIT)
+                               break;
+                       ao_scheme_exception = 0;
+               } else {
+                       ao_scheme_poly_write(out);
+                       putchar ('\n');
+               }
+       }
+       return out;
+}