mirror of
https://github.com/urbit/shrub.git
synced 2024-12-15 21:03:10 +03:00
134 lines
3.5 KiB
C
134 lines
3.5 KiB
C
/* j/6/sift.c
|
|
**
|
|
** This file is in the public domain.
|
|
*/
|
|
#include "all.h"
|
|
#include "../pit.h"
|
|
|
|
/* boilerplate
|
|
*/
|
|
u2_ho_jet
|
|
j2_mcj(Pt6, ut, sift)[];
|
|
|
|
u2_noun // transfer
|
|
j2_mc(Pt6, ut, sift)(u2_wire wir_r,
|
|
u2_noun cor) // retain
|
|
{
|
|
u2_noun sut, ref, van;
|
|
|
|
if ( (u2_no == u2_mean(cor, u2_cv_sam, &ref,
|
|
u2_cv_con, &van,
|
|
0)) ||
|
|
(u2_none == (sut = u2_frag(u2_cv_sam, van))) )
|
|
{
|
|
return u2_bl_bail(wir_r, c3__fail);
|
|
} else {
|
|
return j2_mcy(Pt6, ut, sift)(wir_r, van, sut, ref);
|
|
}
|
|
}
|
|
|
|
u2_weak // transfer
|
|
j2_mci(Pt6, ut, sift)(u2_wire wir_r,
|
|
u2_noun van, // retain
|
|
u2_noun sut, // retain
|
|
u2_noun ref) // retain
|
|
{
|
|
u2_weak hoc = u2_ds_look(wir_r, van, "sift");
|
|
|
|
if ( u2_none == hoc ) {
|
|
c3_assert(!"register sift");
|
|
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, u2_rx(wir_r, ref), 0);
|
|
|
|
if ( (u2_none == j2_mcj(Pt6, ut, sift)[0].xip) ) {
|
|
u2_noun xip = u2_ds_find(wir_r, cor);
|
|
|
|
// c3_assert(u2_none != xip);
|
|
j2_mcj(Pt6, ut, sift)[0].xip = xip;
|
|
}
|
|
u2_rl_lose(wir_r, gat);
|
|
return cor;
|
|
}
|
|
}
|
|
|
|
u2_noun // transfer
|
|
j2_mcy(Pt6, ut, sift)(u2_wire wir_r,
|
|
u2_noun van, // retain
|
|
u2_noun sut, // retain
|
|
u2_noun ref) // retain
|
|
{
|
|
return u2k(ref);
|
|
|
|
#if 0
|
|
u2_ho_jet *jet_j = &j2_mcj(Pt6, ut, sift)[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, sift)(wir_r, van, sut, ref);
|
|
}
|
|
else {
|
|
c3_m fun_m = c3__sift;
|
|
u2_noun pro = u2_rl_find_trel(wir_r, fun_m, sut, ref);
|
|
|
|
if ( u2_none != pro ) {
|
|
return pro;
|
|
}
|
|
else {
|
|
pro = j2_mcx(Pt6, ut, sift)(wir_r, van, sut, ref);
|
|
|
|
return u2_rl_save_trel(wir_r, fun_m, sut, ref, pro);
|
|
}
|
|
}
|
|
return pro;
|
|
} else
|
|
#else
|
|
{
|
|
u2_noun cor, pro;
|
|
|
|
cor = j2_mci(Pt6, ut, sift)(wir_r, van, sut, ref);
|
|
|
|
pro = u2_nk_soft(wir_r, u2k(cor), u2h(cor));
|
|
if ( u2_none == pro ) return u2_bl_bail(wir_r, c3__fail);
|
|
|
|
u2_rz(wir_r, cor);
|
|
|
|
return pro;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
u2_weak
|
|
j2_mck(Pt6, ut, sift)(u2_wire wir_r,
|
|
u2_noun cor)
|
|
{
|
|
u2_noun sut, ref, van;
|
|
|
|
if ( (u2_no == u2_mean(cor, u2_cv_sam, &ref,
|
|
u2_cv_con, &van,
|
|
0)) ||
|
|
(u2_none == (sut = u2_frag(u2_cv_sam, van))) )
|
|
{
|
|
return u2_none;
|
|
} else {
|
|
return u2_rc
|
|
(wir_r, u2_rx(wir_r, sut), u2_rx(wir_r, ref));
|
|
}
|
|
}
|
|
|
|
/* structures
|
|
*/
|
|
u2_ho_jet
|
|
j2_mcj(Pt6, ut, sift)[] = {
|
|
{ ".2", c3__hevy,
|
|
j2_mc(Pt6, ut, sift),
|
|
Tier6_b_memo,
|
|
u2_none, u2_none,
|
|
j2_mck(Pt6, ut, sift), c3__sift
|
|
},
|
|
{ }
|
|
};
|
|
|