urbit/j/d/by_put.c

120 lines
2.7 KiB
C
Raw Normal View History

2013-09-29 00:21:18 +04:00
/* j/4/put.c
**
*/
#include "all.h"
2014-09-04 07:10:43 +04:00
2013-09-29 00:21:18 +04:00
/* functions
*/
2014-09-06 00:13:24 +04:00
u3_noun
2014-11-06 22:13:57 +03:00
u3qdb_put(
2014-09-06 00:13:24 +04:00
u3_noun a,
u3_noun b,
u3_noun c)
2013-09-29 00:21:18 +04:00
{
2014-09-06 00:13:24 +04:00
if ( u3_nul == a ) {
return u3nt(
u3nc(u3k(b),
u3k(c)),
u3_nul,
u3_nul);
2013-09-29 00:21:18 +04:00
}
else {
2014-09-06 00:13:24 +04:00
u3_noun l_a, n_a, r_a, pn_a, qn_a;
u3_noun d, l_d, n_d, r_d;
2013-09-29 00:21:18 +04:00
2014-11-06 03:20:01 +03:00
if ( (c3n == u3r_trel(a, &n_a, &l_a, &r_a)) ||
(c3n == u3r_cell(n_a, &pn_a, &qn_a)) )
2013-09-29 00:21:18 +04:00
{
2014-11-06 03:20:01 +03:00
return u3m_bail(c3__exit);
}
2014-11-06 03:20:01 +03:00
else if ( c3y == u3r_sing(pn_a, b) ) {
if ( c3y == u3r_sing(qn_a, c) ) {
2014-09-06 00:13:24 +04:00
return u3k(a);
2013-09-29 00:21:18 +04:00
} else {
2014-09-06 00:13:24 +04:00
return u3nt
(u3nc(u3k(b), u3k(c)),
u3k(l_a),
u3k(r_a));
2013-09-29 00:21:18 +04:00
}
}
else {
2014-11-06 22:13:57 +03:00
if ( c3y == u3qc_gor(b, pn_a) ) {
d = u3qdb_put(l_a, b, c);
2013-09-29 00:21:18 +04:00
2014-11-06 22:13:57 +03:00
if ( c3y == u3qc_vor(pn_a, u3h(u3h(d))) ) {
2014-09-06 00:13:24 +04:00
return u3nt(u3k(n_a),
d,
2014-09-06 00:13:24 +04:00
u3k(r_a));
2013-09-29 00:21:18 +04:00
}
else {
2014-11-06 03:20:01 +03:00
u3r_trel(d, &n_d, &l_d, &r_d);
2013-09-29 00:21:18 +04:00
{
2014-09-06 00:13:24 +04:00
u3_noun e = u3nt
(u3k(n_d),
u3k(l_d),
u3nt(
u3k(n_a),
u3k(r_d),
u3k(r_a)));
2013-09-29 00:21:18 +04:00
2014-09-06 00:13:24 +04:00
u3z(d);
2013-09-29 00:21:18 +04:00
return e;
}
}
}
else {
2014-11-06 22:13:57 +03:00
d = u3qdb_put(r_a, b, c);
2013-09-29 00:21:18 +04:00
2014-11-06 22:13:57 +03:00
if ( c3y == u3qc_vor(pn_a, u3h(u3h(d))) ) {
2014-09-06 00:13:24 +04:00
return u3nt(u3k(n_a),
u3k(l_a),
2013-09-29 00:21:18 +04:00
d);
}
else {
2014-11-06 03:20:01 +03:00
u3r_trel(d, &n_d, &l_d, &r_d);
2013-09-29 00:21:18 +04:00
{
2014-09-06 00:13:24 +04:00
u3_noun e = u3nt
(u3k(n_d),
u3nt(
u3k(n_a),
u3k(l_a),
u3k(l_d)),
u3k(r_d));
2013-09-29 00:21:18 +04:00
2014-09-06 00:13:24 +04:00
u3z(d);
2013-09-29 00:21:18 +04:00
return e;
}
}
}
}
}
}
2014-09-06 00:13:24 +04:00
u3_noun
2014-11-06 22:13:57 +03:00
u3wdb_put(
2014-09-06 00:13:24 +04:00
u3_noun cor)
2013-09-29 00:21:18 +04:00
{
2014-09-06 00:13:24 +04:00
u3_noun a, b, c;
2013-09-29 00:21:18 +04:00
2014-11-18 00:56:51 +03:00
if ( c3n == u3r_mean(cor, u3x_sam_2, &b,
u3x_sam_3, &c,
u3x_con_sam, &a, 0) ) {
2014-11-06 03:20:01 +03:00
return u3m_bail(c3__exit);
2013-09-29 00:21:18 +04:00
} else {
2014-11-06 22:13:57 +03:00
return u3qdb_put(a, b, c);
2013-09-29 00:21:18 +04:00
}
}
2014-09-06 00:13:24 +04:00
u3_weak
2014-11-06 22:13:57 +03:00
u3kdb_put(u3_noun a, u3_noun b, u3_noun c)
2014-09-05 23:55:16 +04:00
{
// Bizarre asymmetry in old jets.
//
// (Mysterious comment in old glue code.)
//
2014-11-06 22:13:57 +03:00
u3_noun pro = u3qdb_put(a, b, c);
2014-09-05 23:55:16 +04:00
2014-09-06 00:13:24 +04:00
u3z(a); u3z(b); u3z(c);
2014-09-05 23:55:16 +04:00
return pro;
}