urbit/j/4/by_put.c

121 lines
2.8 KiB
C
Raw Normal View History

2013-09-29 00:21:18 +04:00
/* j/4/put.c
**
** This file is in the public domain.
*/
#include "all.h"
2014-09-04 07:10:43 +04:00
2013-09-29 00:21:18 +04:00
/* functions
*/
2014-09-04 01:33:18 +04:00
u2_noun
2014-09-03 07:36:29 +04:00
u2_cqdb_put(
2014-09-04 01:33:18 +04:00
u2_noun a,
u2_noun b,
u2_noun c)
2013-09-29 00:21:18 +04:00
{
if ( u2_nul == a ) {
2014-08-20 08:30:55 +04:00
return u2nt(
u2nc(u2k(b),
u2k(c)),
2013-09-29 00:21:18 +04:00
u2_nul,
u2_nul);
}
else {
u2_noun l_a, n_a, r_a, pn_a, qn_a;
u2_noun d, l_d, n_d, r_d;
2014-08-20 08:30:55 +04:00
if ( (u2_no == u2_cr_trel(a, &n_a, &l_a, &r_a)) ||
(u2_no == u2_cr_cell(n_a, &pn_a, &qn_a)) )
2013-09-29 00:21:18 +04:00
{
2014-08-20 08:30:55 +04:00
return u2_cm_bail(c3__exit);
}
2014-08-20 08:30:55 +04:00
else if ( u2_yes == u2_cr_sing(pn_a, b) ) {
if ( u2_yes == u2_cr_sing(qn_a, c) ) {
return u2k(a);
2013-09-29 00:21:18 +04:00
} else {
2014-08-20 08:30:55 +04:00
return u2nt
(u2nc(u2k(b), u2k(c)),
u2k(l_a),
u2k(r_a));
2013-09-29 00:21:18 +04:00
}
}
else {
2014-09-03 07:36:29 +04:00
if ( u2_yes == u2_cqc_gor(b, pn_a) ) {
d = u2_cqdb_put(l_a, b, c);
2013-09-29 00:21:18 +04:00
2014-09-03 07:36:29 +04:00
if ( u2_yes == u2_cqc_vor(pn_a, u2h(u2h(d))) ) {
2014-08-20 08:30:55 +04:00
return u2nt(u2k(n_a),
d,
2014-08-20 08:30:55 +04:00
u2k(r_a));
2013-09-29 00:21:18 +04:00
}
else {
2014-08-20 08:30:55 +04:00
u2_cr_trel(d, &n_d, &l_d, &r_d);
2013-09-29 00:21:18 +04:00
{
2014-08-20 08:30:55 +04:00
u2_noun e = u2nt
(u2k(n_d),
u2k(l_d),
u2nt(
u2k(n_a),
u2k(r_d),
u2k(r_a)));
2013-09-29 00:21:18 +04:00
2014-08-20 08:30:55 +04:00
u2z(d);
2013-09-29 00:21:18 +04:00
return e;
}
}
}
else {
2014-09-03 07:36:29 +04:00
d = u2_cqdb_put(r_a, b, c);
2013-09-29 00:21:18 +04:00
2014-09-03 07:36:29 +04:00
if ( u2_yes == u2_cqc_vor(pn_a, u2h(u2h(d))) ) {
2014-08-20 08:30:55 +04:00
return u2nt(u2k(n_a),
u2k(l_a),
2013-09-29 00:21:18 +04:00
d);
}
else {
2014-08-20 08:30:55 +04:00
u2_cr_trel(d, &n_d, &l_d, &r_d);
2013-09-29 00:21:18 +04:00
{
2014-08-20 08:30:55 +04:00
u2_noun e = u2nt
(u2k(n_d),
u2nt(
u2k(n_a),
u2k(l_a),
u2k(l_d)),
u2k(r_d));
2013-09-29 00:21:18 +04:00
2014-08-20 08:30:55 +04:00
u2z(d);
2013-09-29 00:21:18 +04:00
return e;
}
}
}
}
}
}
2014-09-04 01:33:18 +04:00
u2_noun
2014-09-03 09:46:55 +04:00
u2_cwdb_put(
2014-09-04 01:33:18 +04:00
u2_noun cor)
2013-09-29 00:21:18 +04:00
{
u2_noun a, b, c;
2014-08-20 08:30:55 +04:00
if ( u2_no == u2_cr_mean(cor, u2_cv_sam_2, &b,
2013-09-29 00:21:18 +04:00
u2_cv_sam_3, &c,
u2_cv_con_sam, &a, 0) ) {
2014-08-20 08:30:55 +04:00
return u2_cm_bail(c3__exit);
2013-09-29 00:21:18 +04:00
} else {
2014-09-03 07:36:29 +04:00
return u2_cqdb_put(a, b, c);
2013-09-29 00:21:18 +04:00
}
}
2014-09-05 23:55:16 +04:00
u2_weak
u2_ckdb_put(u2_noun a, u2_noun b, u2_noun c)
{
// Bizarre asymmetry in old jets.
//
// (Mysterious comment in old glue code.)
//
u2_noun pro = u2_cqdb_put(a, b, c);
u2z(a); u2z(b); u2z(c);
return pro;
}