urbit/gen164/4/in_put.c

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2013-09-29 00:21:18 +04:00
/* j/4/in_put.c
**
** This file is in the public domain.
*/
#include "all.h"
#include "../pit.h"
/* functions
*/
u2_weak // transfer
j2_mcc(Pt4, in, put)(u2_wire wir_r,
u2_noun a, // retain
u2_noun b) // retain
{
if ( u2_nul == a ) {
return u2_rt(wir_r, u2_rx(wir_r, b), u2_nul, u2_nul);
}
else {
u2_noun l_a, n_a, r_a, lr_a; // XX copy tree boilerplate to other pt4
u2_noun c, l_c, n_c, r_c;
if ( (u2_no == u2_as_cell(a, &n_a, &lr_a)) ) {
return u2_bl_bail(wir_r, c3__exit);
}
else if ( u2_yes == u2_sing(n_a, b) ) {
return u2_rx(wir_r, a);
}
else if ( u2_no == u2_as_cell(lr_a, &l_a, &r_a) ) {
return u2_bl_bail(wir_r, c3__exit);
}
else {
if ( u2_yes == j2_mbc(Pt3, hor)(wir_r, b, n_a) ) {
c = j2_mcc(Pt4, in, put)(wir_r, l_a, b);
if ( u2_yes == j2_mbc(Pt3, vor)(wir_r, n_a, u2_h(c)) ) {
return u2_rt(wir_r, u2_rx(wir_r, n_a),
c,
u2_rx(wir_r, r_a));
}
else {
u2_as_trel(c, &n_c, &l_c, &r_c);
{
u2_noun d = u2_rt
(wir_r, u2_rx(wir_r, n_c),
u2_rx(wir_r, l_c),
u2_rt(wir_r,
u2_rx(wir_r, n_a),
u2_rx(wir_r, r_c),
u2_rx(wir_r, r_a)));
u2_rl_lose(wir_r, c);
return d;
}
}
}
else {
c = j2_mcc(Pt4, in, put)(wir_r, r_a, b);
if ( u2_yes == j2_mbc(Pt3, vor)(wir_r, n_a, u2_h(c)) ) {
return u2_rt(wir_r, u2_rx(wir_r, n_a),
u2_rx(wir_r, l_a),
c);
}
else {
u2_as_trel(c, &n_c, &l_c, &r_c);
{
u2_noun d = u2_rt
(wir_r, u2_rx(wir_r, n_c),
u2_rt(wir_r,
u2_rx(wir_r, n_a),
u2_rx(wir_r, l_a),
u2_rx(wir_r, l_c)),
u2_rx(wir_r, r_c));
u2_rl_lose(wir_r, c);
return d;
}
}
}
}
}
}
u2_weak // transfer
j2_mc(Pt4, in, put)(u2_wire wir_r,
u2_noun cor) // retain
{
u2_noun a, b;
if ( u2_no == u2_mean(cor, u2_cv_sam, &b, u2_cv_con_sam, &a, 0) ) {
return u2_bl_bail(wir_r, c3__exit);
} else {
return j2_mcc(Pt4, in, put)(wir_r, a, b);
}
}
/* structures
*/
u2_ho_jet
j2_mcj(Pt4, in, put)[] = {
{ ".2", c3__lite, j2_mc(Pt4, in, put), Tier4, u2_none, u2_none },
{ }
};