Add first lisp bits

[fw/altos] / src / lisp / ao_lisp_prim.c

diff --git a/src/lisp/ao_lisp_prim.c b/src/lisp/ao_lisp_prim.c
new file mode 100644 (file)
index 0000000..ccfd2be
--- /dev/null
+++ b/src/lisp/ao_lisp_prim.c
@@ -0,0 +1,71 @@
+/*
+ * 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_lisp.h"
+
+ao_lisp_poly
+ao_lisp_poly_print(ao_lisp_poly p)
+{
+       switch (ao_lisp_poly_type(p)) {
+       case AO_LISP_CONS:
+               ao_lisp_cons_print(ao_lisp_poly_cons(p));
+               break;
+       case AO_LISP_STRING:
+               ao_lisp_string_print(ao_lisp_poly_string(p));
+               break;
+       case AO_LISP_INT:
+               ao_lisp_int_print(ao_lisp_poly_int(p));
+               break;
+       case AO_LISP_ATOM:
+               ao_lisp_atom_print(ao_lisp_poly_atom(p));
+               break;
+       case AO_LISP_BUILTIN:
+               ao_lisp_builtin_print(ao_lisp_poly_builtin(p));
+               break;
+       }
+       return AO_LISP_NIL;
+}
+
+void
+ao_lisp_poly_mark(ao_lisp_poly p)
+{
+       switch (ao_lisp_poly_type(p)) {
+       case AO_LISP_CONS:
+               ao_lisp_mark(&ao_lisp_cons_type, ao_lisp_poly_cons(p));
+               break;
+       case AO_LISP_STRING:
+               ao_lisp_mark(&ao_lisp_string_type, ao_lisp_poly_string(p));
+               break;
+       case AO_LISP_ATOM:
+               ao_lisp_mark(&ao_lisp_atom_type, ao_lisp_poly_atom(p));
+               break;
+       }
+}
+
+ao_lisp_poly
+ao_lisp_poly_move(ao_lisp_poly p)
+{
+       switch (ao_lisp_poly_type(p)) {
+       case AO_LISP_CONS:
+               p = ao_lisp_cons_poly(ao_lisp_move(&ao_lisp_cons_type, ao_lisp_poly_cons(p)));
+               break;
+       case AO_LISP_STRING:
+               p = ao_lisp_string_poly(ao_lisp_move(&ao_lisp_string_type, ao_lisp_poly_string(p)));
+               break;
+       case AO_LISP_ATOM:
+               p = ao_lisp_atom_poly(ao_lisp_move(&ao_lisp_atom_type, ao_lisp_poly_atom(p)));
+               break;
+       }
+       return p;
+}