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ut_peek.c
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ut_peek.c
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/* j/6/peek.c
**
** This file is in the public domain.
*/
#include "all.h"
#include "../pit.h"
/* logic
*/
u2_noun
j2_mcx(Pt6, ut, peek)(u2_wire, u2_noun, u2_noun, u2_noun, u2_atom);
static u2_noun // produce
_peek_in(u2_wire wir_r,
u2_noun van, // retain
u2_noun sut, // retain
u2_noun way, // retain
u2_atom axe, // retain
u2_noun gil) // retain
{
u2_noun p_sut, q_sut, r_sut;
u2_noun pro;
if ( (u2_no == u2_dust(sut)) ) switch ( sut ) {
default: return u2_bl_bail(wir_r, c3__fail);
case c3__noun: {
return c3__noun;
}
case c3__void: {
return c3__void;
}
}
else switch ( u2_h(sut) ) {
default: return u2_bl_bail(wir_r, c3__fail);
case c3__atom: {
return c3__void;
}
case c3__cell: {
if ( (u2_no == u2_as_trel(sut, 0, &p_sut, &q_sut)) ) {
return u2_bl_bail(wir_r, c3__fail);
} else {
u2_atom tip = j2_mbc(Pt3, cap)(wir_r, axe);
u2_atom tap = j2_mbc(Pt3, mas)(wir_r, axe);
if ( _2 == tip ) {
pro = j2_mcx(Pt6, ut, peek)(wir_r, van, p_sut, way, tap);
}
else {
pro = j2_mcx(Pt6, ut, peek)(wir_r, van, q_sut, way, tap);
}
u2_rl_lose(wir_r, tap);
u2_rl_lose(wir_r, tip);
return pro;
}
}
case c3__core: {
u2_noun pq_sut, qq_sut, rq_sut;
u2_noun prq_sut, qrq_sut;
if ( (u2_no == u2_as_trel(sut, 0, &p_sut, &q_sut)) ||
(u2_no == u2_as_trel(q_sut, &pq_sut, &qq_sut, &rq_sut)) ||
(u2_no == u2_as_cell(rq_sut, &prq_sut, &qrq_sut)) )
{
return u2_bl_bail(wir_r, c3__fail);
} else {
u2_atom tip = j2_mbc(Pt3, cap)(wir_r, axe);
u2_atom tap = j2_mbc(Pt3, mas)(wir_r, axe);
if ( _2 == tip ) {
if ( u2_no == j2_mcy(Pt6, ut, park)(wir_r, van, sut, way, tap) )
{
u2_noun dun = j2_mcy(Pt6, ut, dunq)(wir_r, van, "type", sut);
u2_noun waz = j2_mcy(Pt6, ut, shep)
(wir_r, van, "axis", 'd', u2_rx(wir_r, axe));
u2_bl_push(wir_r, u2_bc(wir_r, c3__mean, dun));
u2_bl_push(wir_r, u2_bc(wir_r, c3__mean, waz));
return u2_bl_error(wir_r, "peek-park");
}
else pro = j2_mcx(Pt6, ut, peek)(wir_r, van, p_sut, way, tap);
}
else {
pro = c3__noun;
}
u2_rl_lose(wir_r, tap);
u2_rl_lose(wir_r, tip);
return pro;
}
}
case c3__cube: {
if ( (u2_no == u2_as_trel(sut, 0, &p_sut, &q_sut)) ) {
return u2_bl_bail(wir_r, c3__fail);
} else {
return _peek_in(wir_r, van, q_sut, way, axe, gil);
}
}
case c3__face: {
if ( (u2_no == u2_as_trel(sut, 0, &p_sut, &q_sut)) ) {
return u2_bl_bail(wir_r, c3__fail);
} else {
return _peek_in(wir_r, van, q_sut, way, axe, gil);
}
}
case c3__fine: {
if ( (u2_no == u2_as_qual(sut, 0, &p_sut, &q_sut, &r_sut)) ) {
return u2_bl_bail(wir_r, c3__fail);
} else {
return _peek_in(wir_r, van, r_sut, way, axe, gil);
}
}
case c3__fork: {
if ( (u2_no == u2_as_trel(sut, 0, &p_sut, &q_sut)) ) {
return u2_bl_bail(wir_r, c3__fail);
} else {
u2_noun hed = _peek_in(wir_r, van, p_sut, way, axe, gil);
u2_noun tal = _peek_in(wir_r, van, q_sut, way, axe, gil);
pro = j2_mby(Pt6, fork)(wir_r, hed, tal);
u2_rl_lose(wir_r, hed);
u2_rl_lose(wir_r, tal);
return pro;
}
}
case c3__hold: {
p_sut = u2_t(sut);
if ( (u2_yes == j2_mcc(Pt4, in, has)(wir_r, gil, sut)) ) {
return c3__void;
}
else {
u2_noun zoc = j2_mcc(Pt4, in, put)(wir_r, gil, sut);
u2_type fop = j2_mcy(Pt6, ut, repo)(wir_r, van, sut);
u2_noun pro = _peek_in(wir_r, van, fop, way, axe, zoc);
u2_rl_lose(wir_r, fop);
u2_rl_lose(wir_r, zoc);
return pro;
}
}
}
}
u2_noun // transfer
j2_mcx(Pt6, ut, peek)(u2_wire wir_r,
u2_noun van, // retain
u2_noun sut, // retain
u2_noun way,
u2_atom axe) // retain
{
if ( _1 == axe ) {
return u2_rx(wir_r, sut);
}
else return _peek_in(wir_r, van, sut, way, axe, u2_nul);
}
/* boilerplate
*/
u2_ho_jet
j2_mcj(Pt6, ut, peek)[];
u2_noun // transfer
j2_mc(Pt6, ut, peek)(u2_wire wir_r,
u2_noun cor) // retain
{
u2_noun sut, way, axe, van;
if ( (u2_no == u2_mean(cor, u2_cw_con, &van,
u2_cw_sam_2, &way,
u2_cw_sam_3, &axe,
0)) ||
(u2_no == u2_stud(axe)) ||
(u2_none == (sut = u2_frag(u2_cw_sam, van))) )
{
return u2_bl_bail(wir_r, c3__fail);
} else {
return j2_mcx(Pt6, ut, peek)(wir_r, van, sut, way, axe);
}
}
u2_weak // transfer
j2_mci(Pt6, ut, peek)(u2_wire wir_r,
u2_noun van, // retain
u2_noun sut, // retain
u2_noun way, // retain
u2_noun axe) // retain
{
u2_weak hoc = u2_ds_look(wir_r, van, "peek");
if ( u2_none == hoc ) {
c3_assert(!"register peek");
return u2_none;
} else {
u2_weak von = u2_rl_molt(wir_r, van, u2_cw_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_cw_sam_2, u2_rx(wir_r, way),
u2_cw_sam_3, u2_rx(wir_r, axe),
0);
if ( (u2_none == j2_mcj(Pt6, ut, peek)[0].xip) ) {
u2_noun xip = u2_ds_find(wir_r, cor);
c3_assert(u2_none != xip);
j2_mcj(Pt6, ut, peek)[0].xip = xip;
}
u2_rl_lose(wir_r, gat);
return cor;
}
}
u2_noun // transfer
j2_mcy(Pt6, ut, peek)(u2_wire wir_r,
u2_noun van, // retain
u2_noun sut, // retain
u2_noun way, // retain
u2_noun axe) // retain
{
u2_ho_jet *jet_j = &j2_mcj(Pt6, ut, peek)[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, peek)(wir_r, van, sut, way, axe);
}
else {
c3_m fun_m = c3__peek;
u2_noun pro = u2_rl_find_trel(wir_r, fun_m, sut, way, axe);
if ( u2_none != pro ) {
return pro;
}
else {
pro = j2_mcx(Pt6, ut, peek)(wir_r, van, sut, way, axe);
return u2_rl_save_trel(wir_r, fun_m, sut, way, axe, pro);
}
}
}
else {
u2_noun cor, fol, pro;
cor = j2_mci(Pt6, ut, peek)(wir_r, van, sut, way, axe);
fol = u2_t(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, peek)(u2_wire wir_r,
u2_noun cor)
{
u2_noun sut, way, axe, van;
if ( (u2_no == u2_mean(cor, u2_cw_con, &van,
u2_cw_sam_2, &way,
u2_cw_sam_3, &axe,
0)) ||
(u2_none == (sut = u2_frag(u2_cw_sam, van))) )
{
return u2_none;
} else {
return u2_rt
(wir_r, u2_rx(wir_r, sut), u2_rx(wir_r, way), u2_rx(wir_r, axe));
}
}
/* structures
*/
u2_ho_jet
j2_mcj(Pt6, ut, peek)[] = {
{ ".3", c3__hevy,
j2_mc(Pt6, ut, peek),
Tier6_b_memo,
u2_none, u2_none,
j2_mck(Pt6, ut, peek), c3__peek
},
{ }
};