urbit/gen164/6/ut_cull.c
2014-01-06 12:37:42 -08:00

307 lines
9.5 KiB
C

/* j/6/cull.c
**
** This file is in the public domain.
*/
#include "all.h"
#include "../pit.h"
/* logic
*/
u2_noun
j2_mcx(Pt6, ut, cull)(u2_wire, u2_noun, u2_noun, u2_bean, u2_atom, u2_noun);
static u2_noun
_cull_in(u2_wire wir_r,
u2_noun van, // retain
u2_noun sut, // retain
u2_bean pol, // retain
u2_atom axe, // retain
u2_noun ref, // retain
u2_noun now, // retain
u2_noun lat, // retain
u2_noun vil) // retain
{
u2_noun ret, p_sut, q_sut;
if ( u2_no == u2_dust(sut) ) switch ( sut ) {
default: return u2_bl_bail(wir_r, c3__fail);
case c3__noun: {
u2_noun pyr = j2_mcy(Pt6, ut, repo)(wir_r, van, sut);
u2_noun yot = j2_mcx(Pt6, ut, cull)(wir_r, van, pyr, pol, axe, ref);
if ( u2_yes == u2_sing(pyr, yot) ) {
ret = u2_rx(wir_r, sut);
} else {
ret = u2_rx(wir_r, yot);
}
u2_rl_lose(wir_r, pyr);
u2_rl_lose(wir_r, yot);
break;
}
case c3__void: {
ret = c3__void;
}
}
else switch ( u2_h(sut) ) {
default: return u2_bl_bail(wir_r, c3__fail);
case c3__atom: {
ret = c3__void;
break;
}
case c3__bull: u2_bi_cell(wir_r, u2_t(sut), &p_sut, &q_sut);
{
u2_noun hic = j2_mcx(Pt6, ut, cull)
(wir_r, van, q_sut, pol, axe, ref);
if ( u2_yes == u2_sing(hic, q_sut) ) {
ret = u2_rx(wir_r, sut);
} else {
ret = j2_mby(Pt6, bull)(wir_r, p_sut, hic);
}
u2_rl_lose(wir_r, hic);
break;
}
case c3__cell: u2_bi_cell(wir_r, u2_t(sut), &p_sut, &q_sut);
{
u2_noun hub;
if ( _2 == now ) {
hub = j2_mcx(Pt6, ut, cull)(wir_r, van, p_sut, pol, lat, ref);
ret = j2_mby(Pt6, cell)(wir_r, hub, q_sut);
} else {
hub = j2_mcx(Pt6, ut, cull)(wir_r, van, q_sut, pol, lat, ref);
ret = j2_mby(Pt6, cell)(wir_r, p_sut, hub);
}
u2_rl_lose(wir_r, hub);
break;
}
case c3__core: u2_bi_cell(wir_r, u2_t(sut), &p_sut, &q_sut);
{
if ( _3 != now ) {
ret = u2_rx(wir_r, sut);
} else {
u2_noun hub = j2_mcx(Pt6, ut, cull)
(wir_r, van, p_sut, pol, lat, ref);
ret = j2_mby(Pt6, core)(wir_r, hub, q_sut);
u2_rl_lose(wir_r, hub);
}
break;
}
case c3__face: u2_bi_cell(wir_r, u2_t(sut), &p_sut, &q_sut);
{
u2_noun hic = j2_mcx(Pt6, ut, cull)
(wir_r, van, q_sut, pol, axe, ref);
if ( u2_yes == u2_sing(hic, q_sut) ) {
ret = u2_rx(wir_r, sut);
} else {
ret = j2_mby(Pt6, face)(wir_r, p_sut, hic);
}
u2_rl_lose(wir_r, hic);
break;
}
case c3__fork: u2_bi_cell(wir_r, u2_t(sut), &p_sut, &q_sut);
{
if ( u2_yes == j2_mcc(Pt4, in, has)(wir_r, vil, sut) ) {
return c3__void;
} else {
u2_noun zoc = j2_mcc(Pt4, in, put)(wir_r, vil, sut);
u2_noun sin = _cull_in
(wir_r, van, p_sut, pol, axe, ref, now, lat, zoc);
u2_noun dex = _cull_in
(wir_r, van, q_sut, pol, axe, ref, now, lat, zoc);
ret = j2_mby(Pt6, fork)(wir_r, sin, dex);
u2_rl_lose(wir_r, sin);
u2_rl_lose(wir_r, dex);
u2_rl_lose(wir_r, zoc);
return ret;
}
}
case c3__cube:
case c3__hold:
{
u2_noun pyr = j2_mcy(Pt6, ut, repo)(wir_r, van, sut);
u2_noun yot = _cull_in(wir_r, van, pyr, pol, axe, ref, now, lat, vil);
if ( u2_yes == u2_sing(pyr, yot) ) {
if ( c3__void == pyr ) {
ret = c3__void;
}
else ret = u2_rx(wir_r, sut);
} else {
ret = u2_rx(wir_r, yot);
}
u2_rl_lose(wir_r, pyr);
u2_rl_lose(wir_r, yot);
break;
}
}
u2_rl_lose(wir_r, lat);
return ret;
}
u2_noun // transfer
j2_mcx(Pt6, ut, cull)(u2_wire wir_r,
u2_noun van, // retain
u2_noun sut, // retain
u2_bean pol, // retain
u2_atom axe, // retain
u2_noun ref) // retain
{
if ( _1 == axe ) {
if ( u2_yes == pol ) {
return j2_mcy(Pt6, ut, fuse)(wir_r, van, sut, ref);
} else {
return j2_mcy(Pt6, ut, crop)(wir_r, van, sut, ref);
}
} else {
u2_atom now = j2_mbc(Pt3, cap)(wir_r, axe);
u2_atom lat = j2_mbc(Pt3, mas)(wir_r, axe);
return _cull_in(wir_r, van, sut, pol, axe, ref, now, lat, u2_nul);
}
}
/* boilerplate
*/
u2_ho_jet
j2_mcj(Pt6, ut, cull)[];
u2_noun // transfer
j2_mc(Pt6, ut, cull)(u2_wire wir_r,
u2_noun cor) // retain
{
u2_noun sut, axe, pol, ref, van;
if ( (u2_no == u2_mean(cor, u2_cv_sam_2, &pol,
u2_cv_sam_6, &axe,
u2_cv_sam_7, &ref,
u2_cv_con, &van, 0)) ||
(u2_no == u2_stud(axe)) ||
(u2_none == (sut = u2_frag(u2_cv_sam, van))) )
{
return u2_bl_bail(wir_r, c3__fail);
} else {
return j2_mcx(Pt6, ut, cull)(wir_r, van, sut, pol, axe, ref);
}
}
u2_weak // transfer
j2_mci(Pt6, ut, cull)(u2_wire wir_r,
u2_noun van, // retain
u2_noun sut, // retain
u2_bean pol, // retain
u2_atom axe, // retain
u2_noun ref) // retain
{
u2_weak hoc = u2_ds_look(wir_r, van, "cull");
if ( u2_none == hoc ) {
c3_assert(!"register cull");
return u2_none;
} else {
u2_weak von = u2_rl_molt(wir_r, van, u2_cv_sam, u2_rx(wir_r, sut), 0);
u2_weak gat = u2_nk_soft(wir_r, von, hoc);
u2_weak cor = u2_rl_molt(wir_r, gat,
u2_cv_sam_2, pol,
u2_cv_sam_6, u2_rx(wir_r, axe),
u2_cv_sam_7, u2_rx(wir_r, ref),
0);
if ( (u2_none == j2_mcj(Pt6, ut, cull)[0].xip) ) {
u2_noun xip = u2_ds_find(wir_r, cor);
c3_assert(u2_none != xip);
j2_mcj(Pt6, ut, cull)[0].xip = xip;
}
u2_rl_lose(wir_r, gat);
return cor;
}
}
u2_noun // transfer
j2_mcy(Pt6, ut, cull)(u2_wire wir_r,
u2_noun van, // retain
u2_noun sut, // retain
u2_bean pol, // retain
u2_noun axe, // retain
u2_noun ref) // retain
{
u2_ho_jet *jet_j = &j2_mcj(Pt6, ut, cull)[0];
if ( (jet_j->sat_s & u2_jet_live) && !(jet_j->sat_s & u2_jet_test) ) {
if ( !(jet_j->sat_s & u2_jet_memo) ) {
return j2_mcx(Pt6, ut, cull)(wir_r, van, sut, pol, axe, ref);
}
else {
c3_m fun_m = c3__cull;
u2_noun pro = u2_rl_find_qual(wir_r, fun_m, sut, pol, axe, ref);
if ( u2_none != pro ) {
return pro;
}
else {
pro = j2_mcx(Pt6, ut, cull)(wir_r, van, sut, pol, axe, ref);
return u2_rl_save_qual(wir_r, fun_m, sut, pol, axe, ref, pro);
}
}
}
else {
u2_noun cor, fol, pro;
cor = j2_mci(Pt6, ut, cull)(wir_r, van, sut, pol, axe, ref);
fol = u2_h(cor);
pro = u2_ho_use(wir_r, jet_j, cor, fol);
if ( u2_none == pro ) return u2_bl_bail(wir_r, c3__fail);
u2_rz(wir_r, cor);
u2_rz(wir_r, fol);
return pro;
}
}
u2_weak
j2_mck(Pt6, ut, cull)(u2_wire wir_r,
u2_noun cor)
{
u2_noun sut, pol, axe, ref, van;
if ( (u2_no == u2_mean(cor, u2_cv_sam_2, &pol,
u2_cv_sam_6, &axe,
u2_cv_sam_7, &ref,
u2_cv_con, &van,
0)) ||
(pol > 1) ||
(u2_none == (sut = u2_frag(u2_cv_sam, van))) )
{
return u2_none;
} else {
return u2_rq
(wir_r, u2_rx(wir_r, sut), pol, u2_rx(wir_r, axe), u2_rx(wir_r, ref));
}
}
/* structures
*/
u2_ho_jet
j2_mcj(Pt6, ut, cull)[] = {
{ ".2", c3__hevy,
j2_mc(Pt6, ut, cull),
Tier6_b_memo,
u2_none, u2_none,
j2_mck(Pt6, ut, cull), c3__cull,
},
{ }
};