mirror of
https://github.com/urbit/shrub.git
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916 lines
24 KiB
C
916 lines
24 KiB
C
/* j/6/find.c
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**
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*/
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#include "all.h"
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static u3_noun
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_find_buck(u3_noun van,
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u3_noun sut,
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u3_noun way,
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u3_noun p_heg,
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u3_noun q_heg,
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u3_noun axe,
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u3_noun lon,
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u3_noun gil);
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static u3_noun
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_opal_sane(u3_noun ope)
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{
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if ( (0 == u3h(ope)) && (0 == u3t(ope)) ) {
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fprintf(stderr, "insane opal\r\n");
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c3_assert(0);
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}
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else return ope;
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}
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static u3_noun
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_pony_sane(u3_noun poy)
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{
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if ( 0 == poy ) {
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return poy;
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}
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else if ( c3n == u3h(poy) ) {
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if ( c3n == u3h(u3t(poy)) ) {
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// abnormal
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u3_noun type = u3h(u3t(u3t(u3t(poy))));
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if ( 0 == type ) {
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u3m_p("insane type", 0);
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c3_assert(0);
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}
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}
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return poy;
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}
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else {
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u3_noun tt_poy = u3t(u3t(poy)); // opal
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_opal_sane(tt_poy);
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return poy;
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}
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}
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static u3_noun
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u3qfu_felt(u3_noun van,
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u3_noun sut,
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u3_noun lap)
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{
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u3_noun von = u3i_molt(u3k(van), u3x_sam, u3k(sut), 0);
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u3_noun gat = u3j_hook(von, "felt");
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return u3n_kick_on(u3i_molt(gat,
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u3x_sam,
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u3k(lap),
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0));
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}
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static u3_noun
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u3qfu_fund(u3_noun van,
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u3_noun sut,
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u3_noun way,
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u3_noun gen)
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{
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u3_noun von = u3i_molt(u3k(van), u3x_sam, u3k(sut), 0);
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u3_noun gat = u3j_hook(von, "fund");
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return u3n_kick_on(u3i_molt(gat,
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u3x_sam_2,
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u3k(way),
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u3x_sam_3,
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u3k(gen),
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0));
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}
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static u3_noun
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u3qfu_fine(u3_noun van,
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u3_noun sut,
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u3_noun tor)
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{
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u3_noun von = u3i_molt(u3k(van), u3x_sam, u3k(sut), 0);
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u3_noun gat = u3j_hook(von, "fine");
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return u3n_kick_on(u3i_molt(gat,
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u3x_sam,
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u3k(tor),
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0));
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}
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static u3_noun
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_find_buck_here(u3_noun van,
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u3_noun sut,
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u3_noun way,
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u3_noun p_heg,
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u3_noun q_heg,
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u3_noun axe,
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u3_noun lon,
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u3_noun gil)
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{
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if ( 0 == p_heg ) {
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return u3nt
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(c3y,
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u3nt(u3_nul,
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u3nc(u3_nul, u3k(axe)),
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u3k(lon)),
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u3nc(c3y, u3k(sut)));
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}
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else {
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return u3nt
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(c3n, c3y, u3qa_dec(p_heg));
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}
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}
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static u3_noun
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_find_buck_lose(u3_noun van,
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u3_noun sut,
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u3_noun way,
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u3_noun p_heg,
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u3_noun q_heg,
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u3_noun axe,
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u3_noun lon,
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u3_noun gil)
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{
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return u3nt(c3n, c3y, u3k(p_heg));
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}
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static u3_noun
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_find_buck_stop(u3_noun van,
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u3_noun sut,
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u3_noun way,
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u3_noun p_heg,
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u3_noun q_heg,
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u3_noun axe,
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u3_noun lon,
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u3_noun gil)
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{
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if ( u3_nul == q_heg ) {
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return _find_buck_here(van, sut, way, p_heg, q_heg, axe, lon, gil);
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}
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else {
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return _find_buck_lose(van, sut, way, p_heg, q_heg, axe, lon, gil);
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}
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}
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static u3_noun
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_find_buck_cell(u3_noun van,
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u3_noun sut,
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u3_noun way,
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u3_noun p_heg,
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u3_noun q_heg,
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u3_noun axe,
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u3_noun lon,
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u3_noun gil)
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{
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u3_noun p_sut, q_sut;
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u3x_cell(u3t(sut), &p_sut, &q_sut);
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{
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if ( u3_nul == q_heg ) {
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return _find_buck_here(van, sut, way, p_heg, q_heg, axe, lon, gil);
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}
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else {
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u3_noun exa = u3qc_peg(axe, 2);
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u3_noun hed = _find_buck(van, p_sut, way, p_heg, q_heg, exa, lon, gil);
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u3z(exa);
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if ( (u3_nul == hed) || (c3y == u3h(hed)) || (c3n == u3h(u3t(hed))) ) {
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return hed;
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}
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else {
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u3_noun exa = u3qc_peg(axe, 3);
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u3_noun tal = _find_buck
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(van, q_sut, way, u3t(u3t(hed)), q_heg, exa, lon, gil);
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u3z(exa);
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u3z(hed);
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return tal;
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}
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}
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}
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}
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static u3_noun
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_find_buck_core(u3_noun van,
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u3_noun sut,
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u3_noun way,
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u3_noun p_heg,
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u3_noun q_heg,
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u3_noun axe,
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u3_noun lon,
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u3_noun gil)
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{
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u3_noun p_sut, q_sut, pq_sut, qq_sut, rq_sut, prq_sut, qrq_sut;
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u3_noun ppq_sut, qpq_sut, rpq_sut;
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u3x_cell(u3t(sut), &p_sut, &q_sut);
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u3x_trel(q_sut, &pq_sut, &qq_sut, &rq_sut);
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u3x_trel(pq_sut, &ppq_sut, &qpq_sut, &rpq_sut);
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u3x_cell(rq_sut, &prq_sut, &qrq_sut);
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{
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if ( u3_nul == q_heg ) {
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return _find_buck_here(van, sut, way, p_heg, q_heg, axe, lon, gil);
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}
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else {
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u3_noun zem = u3qf_loot(u3t(q_heg), qrq_sut);
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if ( (u3_nul != zem) && (0 != p_heg) ) {
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u3_noun ped;
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ped = u3qa_dec(p_heg);
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u3z(p_heg); p_heg = ped;
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u3z(zem);
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zem = u3_nul;
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}
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if ( u3_nul != zem ) {
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u3_noun u_zem = u3t(zem);
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u3_noun pu_zem = u3h(u_zem);
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u3_noun qu_zem = u3t(u_zem);
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u3_noun qqu_zem = u3t(qu_zem);
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u3_noun mut;
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u3_noun pro;
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mut = u3nt(c3__core,
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u3k(p_sut),
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u3nt(u3nt(u3k(ppq_sut), u3k(qpq_sut), c3__gold),
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u3k(qq_sut),
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u3k(rq_sut)));
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pro = u3nt
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(c3y,
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u3nc(u3nc(u3_nul, u3k(axe)), u3k(lon)),
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u3nt(c3n,
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u3qc_peg(2, pu_zem),
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u3nt(u3nc(mut, u3k(qqu_zem)), u3_nul, u3_nul)));
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u3z(zem);
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return pro;
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}
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else {
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u3_noun pec = u3qfu_peel(van, sut, way, rpq_sut);
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u3_noun pro;
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if ( c3n == u3h(pec) ) {
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pro = _find_buck_lose(van, sut, way, p_heg, q_heg, axe, lon, gil);
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}
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else if ( c3y == u3t(pec) ) {
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u3_noun exa = u3qc_peg(axe, 3);
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pro = _find_buck(van, p_sut, way, p_heg, q_heg, exa, lon, gil);
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u3z(exa);
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}
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else {
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u3_noun sam = u3qfu_peek(van, p_sut, way, 2);
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u3_noun exa = u3qc_peg(axe, 6);
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pro = _find_buck(van, sam, way, p_heg, q_heg, exa, lon, gil);
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u3z(exa);
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u3z(sam);
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}
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u3z(pec);
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return pro;
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}
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}
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}
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}
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static u3_noun
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_find_twin(u3_noun van,
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u3_noun hax,
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u3_noun yor)
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{
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if ( c3y == u3r_sing(hax, yor) ) {
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return u3k(hax);
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}
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else if ( u3_nul == hax ) {
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return u3k(yor);
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}
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else if ( u3_nul == yor ) {
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return u3k(hax);
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}
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else if ( c3n == u3h(hax) ) {
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if ( (c3n != u3h(yor)) ) {
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return u3m_error("find-fork-a");
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}
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else {
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u3_noun p_hax = u3t(hax); // (each @ud {span nock})
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u3_noun p_yor = u3t(yor); // (each @ud {span nock})
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if ( (c3n != u3h(p_hax)) || (c3n != u3h(p_yor)) ) {
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return u3m_error("find-fork-b");
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}
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else {
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u3_noun pp_hax = u3t(p_hax); // {span nock}
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u3_noun pp_yor = u3t(p_yor); // {span nock}
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u3_noun ppp_hax = u3h(pp_hax); // span
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u3_noun ppp_yor = u3h(pp_yor); // span
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u3_noun qpp_hax = u3t(pp_hax); // nock
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u3_noun qpp_yor = u3t(pp_yor); // nock
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if ( c3n == u3r_sing(qpp_hax, qpp_yor) ) {
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return u3m_error("find-fork-c");
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}
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return u3nt(c3n,
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c3n,
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u3nc(
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u3kf_fork(u3nt(u3k(ppp_hax), u3k(ppp_yor), u3_nul)),
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u3k(qpp_hax)));
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}
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}
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}
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else {
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if ( c3n == u3h(yor) ) {
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return u3m_error("find-fork-d");
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}
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else {
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u3_noun p_hax = u3t(hax); // {vein opal}
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u3_noun p_yor = u3t(yor); // {vein opal}
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u3_noun pp_hax = u3h(p_hax); // vein
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u3_noun pp_yor = u3h(p_yor); // vein
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u3_noun qp_hax = u3t(p_hax); // opal
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u3_noun qp_yor = u3t(p_yor); // opal
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if ( c3n == u3r_sing(pp_hax, pp_yor) ) {
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return u3m_error("find-fork-e");
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}
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else {
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if ( c3y == u3h(qp_hax) ) {
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if ( c3y != u3h(qp_yor) ) {
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return u3m_error("find-fork-f");
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} else {
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u3_noun pqp_hax = u3t(qp_hax); // type
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u3_noun pqp_yor = u3t(qp_yor); // type
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return
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u3nt(c3y,
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u3k(pp_hax),
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u3nc(c3y, u3kf_fork
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(u3nt(u3k(pqp_hax), u3k(pqp_yor), u3_nul))));
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}
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}
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else if ( c3n != u3h(qp_yor) ) {
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return u3m_error("find-fork-g");
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} else {
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u3_noun pqp_hax = u3h(u3t(qp_hax)); // axis
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u3_noun pqp_yor = u3h(u3t(qp_yor)); // axis
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u3_noun qqp_hax = u3t(u3t(qp_hax)); // (set {type foot})
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u3_noun qqp_yor = u3t(u3t(qp_yor)); // (set {type foot})
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if ( c3n == u3r_sing(pqp_hax, pqp_yor) ) {
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return u3m_error("find-fork-h");
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} else {
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return
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u3nt(c3y,
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u3k(pp_hax),
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u3nt(c3n, u3k(pqp_hax), u3qdi_uni(qqp_hax, qqp_yor)));
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}
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}
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}
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}
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}
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// error: { return u3m_error("find-fork"); }
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}
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static u3_noun
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_find_buck_fork_twin(u3_noun van, u3_noun wiz)
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{
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if ( u3_nul == wiz ) {
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return u3_nul;
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}
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else if ( u3_nul == u3t(wiz) ) {
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return u3k(u3h(wiz));
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}
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else {
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u3_noun hax = u3k(u3h(wiz));
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u3_noun yor = _find_buck_fork_twin(van, u3t(wiz));
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u3_noun fid = _find_twin(van, hax, yor);
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u3z(hax);
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u3z(yor);
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return fid;
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}
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}
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static u3_noun
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_find_buck_fork_turn(u3_noun van,
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u3_noun yed,
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u3_noun way,
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u3_noun p_heg,
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u3_noun q_heg,
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u3_noun axe,
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u3_noun lon,
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u3_noun gil)
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{
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if ( u3_nul == yed ) {
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return u3_nul;
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}
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else {
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u3_noun fid = _find_buck(van, u3h(yed), way, p_heg, q_heg, axe, lon, gil);
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return u3nc
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(fid,
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_find_buck_fork_turn
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(van, u3t(yed), way, p_heg, q_heg, axe, lon, gil));
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}
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}
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static u3_noun
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_find_buck_fork(u3_noun van,
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u3_noun sut,
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u3_noun way,
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u3_noun p_heg,
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u3_noun q_heg,
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u3_noun axe,
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u3_noun lon,
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u3_noun gil)
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{
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u3_noun p_sut = u3t(sut);
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u3_noun yed = u3qdi_tap(p_sut);
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u3_noun wiz;
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u3_noun ret;
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wiz = _find_buck_fork_turn(van, yed, way, p_heg, q_heg, axe, lon, gil);
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u3z(yed);
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ret = _find_buck_fork_twin(van, wiz);
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u3z(wiz);
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return ret;
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}
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static u3_noun
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_find_buck_face_next(u3_noun van,
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u3_noun sut,
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u3_noun q_sut,
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u3_noun qp_sut,
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u3_noun way,
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u3_noun p_heg,
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u3_noun q_heg,
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u3_noun axe,
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u3_noun lon,
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u3_noun gil)
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{
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if ( u3_nul == qp_sut ) {
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u3_noun nol = u3nc(u3_nul, u3k(lon));
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u3_noun ret = _find_buck(van, q_sut, way, p_heg, q_heg, axe, nol, gil);
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u3z(nol);
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return ret;
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}
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else {
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u3_noun iqp_sut = u3h(qp_sut); // twig
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u3_noun tiv = u3qfu_mint // (pair type nock)
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(van, q_sut, c3__noun, iqp_sut);
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u3_noun tqp_sut = u3t(qp_sut); // (list twig)
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u3_noun p_tiv = u3h(tiv); // type
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u3_noun q_tiv = u3t(tiv); // nock
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u3_noun fid = _find_buck // pony
|
|
(van, p_tiv, way, p_heg, q_heg, 1, u3_nul, u3_nul);
|
|
|
|
if ( u3_nul == fid ) {
|
|
u3z(tiv);
|
|
return u3_nul;
|
|
}
|
|
else if ( (c3n == u3h(fid)) && (c3y == u3h(u3t(fid))) ) {
|
|
u3_noun ret;
|
|
|
|
ret = _find_buck_face_next
|
|
(van, sut, q_sut, tqp_sut, way, u3t(u3t(fid)), q_heg, axe, lon, gil);
|
|
u3z(fid);
|
|
u3z(tiv);
|
|
return ret;
|
|
}
|
|
else {
|
|
u3_noun tor; // port
|
|
u3_noun vat; // (pair type nock)
|
|
u3_noun ret;
|
|
u3_noun dog = u3nc(0, u3k(axe)); // nock
|
|
u3_noun cob = u3qf_comb(dog, q_tiv);
|
|
|
|
if ( c3y == u3h(fid) ) {
|
|
tor = u3nc(c3y, u3k(u3t(fid)));
|
|
} else {
|
|
tor = u3nc(c3n, u3k(u3t(u3t(fid))));
|
|
}
|
|
u3z(fid);
|
|
|
|
vat = u3qfu_fine(van, sut, tor);
|
|
u3z(tor);
|
|
|
|
ret = u3nt
|
|
(c3n,
|
|
c3n,
|
|
u3nc(u3k(u3h(vat)), u3qf_comb(cob, u3t(vat))));
|
|
|
|
u3z(vat);
|
|
u3z(dog);
|
|
u3z(cob);
|
|
u3z(tiv);
|
|
|
|
return ret;
|
|
}
|
|
}
|
|
}
|
|
|
|
static u3_noun
|
|
_find_buck_face(u3_noun van,
|
|
u3_noun sut,
|
|
u3_noun way,
|
|
u3_noun p_heg,
|
|
u3_noun q_heg,
|
|
u3_noun axe,
|
|
u3_noun lon,
|
|
u3_noun gil)
|
|
{
|
|
u3_noun p_sut, q_sut;
|
|
|
|
u3x_cell(u3t(sut), &p_sut, &q_sut);
|
|
|
|
if ( u3_nul == q_heg ) {
|
|
return _find_buck_here(van, q_sut, way, p_heg, q_heg, axe, lon, gil);
|
|
}
|
|
else {
|
|
u3_noun uq_heg = u3t(q_heg); // term
|
|
|
|
if ( c3y == u3ud(p_sut) ) {
|
|
if ( c3y == u3r_sing(p_sut, uq_heg) ) {
|
|
return _find_buck_here(van, q_sut, way, p_heg, q_heg, axe, lon, gil);
|
|
}
|
|
else {
|
|
return _find_buck_lose(van, sut, way, p_heg, q_heg, axe, lon, gil);
|
|
}
|
|
}
|
|
else {
|
|
u3_noun pp_sut = u3h(p_sut); // (map term {wain (unit twig)})
|
|
u3_noun qp_sut = u3t(p_sut); // (list (pair type nock))
|
|
u3_noun tyr = u3qdb_get(pp_sut, uq_heg); // (unit {wain (unit twig)})
|
|
|
|
if ( u3_nul == tyr ) {
|
|
return _find_buck_face_next
|
|
(van, sut, q_sut, qp_sut, way, p_heg, q_heg, axe, lon, gil);
|
|
}
|
|
else {
|
|
u3_noun u_tyr = u3t(tyr); // (pair wain (unit twig))
|
|
u3_noun qu_tyr = u3t(u_tyr);
|
|
|
|
if ( u3_nul == qu_tyr ) {
|
|
u3_noun nol = u3nc(u3_nul, u3k(lon));
|
|
u3_noun dep = u3qa_inc(p_heg);
|
|
u3_noun ret = _find_buck
|
|
(van, q_sut, way, dep, q_heg, axe, nol, gil);
|
|
|
|
u3z(dep);
|
|
u3z(nol);
|
|
u3z(tyr);
|
|
return ret;
|
|
}
|
|
else {
|
|
u3_noun uqu_tyr = u3t(qu_tyr);
|
|
u3_noun tor = u3qfu_fund(van, sut, way, uqu_tyr);
|
|
|
|
if ( c3y == u3h(tor) ) {
|
|
u3_noun p_tor = u3t(tor); // (pair vein opal)
|
|
u3_noun pp_tor = u3h(p_tor); // vein
|
|
u3_noun qp_tor = u3t(p_tor); // opal
|
|
u3_noun nol = // vein
|
|
u3nt(u3_nul, u3nc(u3_nul, u3k(axe)), u3k(lon));
|
|
u3_noun ret;
|
|
|
|
ret = u3nt(c3y, u3qb_weld(pp_tor, nol), u3k(qp_tor));
|
|
u3z(nol);
|
|
u3z(tor);
|
|
u3z(tyr);
|
|
return ret;
|
|
}
|
|
else {
|
|
u3_noun p_tor = u3t(tor); // (pair type nock)
|
|
u3_noun pp_tor = u3h(p_tor); // type
|
|
u3_noun qp_tor = u3t(p_tor); // nock
|
|
u3_noun dog = u3nc(0, u3k(axe)); // nock
|
|
u3_noun ret;
|
|
|
|
ret = u3nt(c3n,
|
|
c3n,
|
|
u3nc(u3k(pp_tor), u3qf_comb(dog, qp_tor)));
|
|
u3z(dog);
|
|
u3z(tor);
|
|
u3z(tyr);
|
|
|
|
return ret;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static u3_noun
|
|
_find_bucx(u3_noun van,
|
|
u3_noun sut,
|
|
u3_noun way,
|
|
u3_noun p_heg,
|
|
u3_noun q_heg,
|
|
u3_noun axe,
|
|
u3_noun lon,
|
|
u3_noun gil)
|
|
{
|
|
if ( c3n == u3du(sut) ) switch ( sut ) {
|
|
default: return u3m_bail(c3__fail);
|
|
|
|
case c3__noun: {
|
|
// fprintf(stderr, "noun\r\n");
|
|
return _find_buck_stop(van, sut, way, p_heg, q_heg, axe, lon, gil);
|
|
}
|
|
case c3__void: {
|
|
// fprintf(stderr, "void\r\n");
|
|
// return _find_buck_stop(van, sut, way, p_heg, q_heg, axe, lon, gil);
|
|
return u3_nul;
|
|
}
|
|
}
|
|
else switch ( u3h(sut) ) {
|
|
default: return u3m_bail(c3__fail);
|
|
|
|
case c3__atom:
|
|
{
|
|
// fprintf(stderr, "atom\r\n");
|
|
return _find_buck_stop(van, sut, way, p_heg, q_heg, axe, lon, gil);
|
|
}
|
|
case c3__cell:
|
|
{
|
|
// fprintf(stderr, "cell\r\n");
|
|
return _find_buck_cell(van, sut, way, p_heg, q_heg, axe, lon, gil);
|
|
}
|
|
case c3__core:
|
|
{
|
|
// fprintf(stderr, "core\r\n");
|
|
return _find_buck_core(van, sut, way, p_heg, q_heg, axe, lon, gil);
|
|
}
|
|
case c3__hint:
|
|
{
|
|
u3_noun fop = u3qfu_repo(van, sut);
|
|
u3_noun pro = _find_bucx(van, fop, way, p_heg, q_heg, axe, lon, gil);
|
|
u3z(fop);
|
|
return pro;
|
|
}
|
|
case c3__face:
|
|
{
|
|
// fprintf(stderr, "face\r\n");
|
|
return _find_buck_face(van, sut, way, p_heg, q_heg, axe, lon, gil);
|
|
}
|
|
case c3__fork:
|
|
{
|
|
// fprintf(stderr, "fork\r\n");
|
|
return _find_buck_fork(van, sut, way, p_heg, q_heg, axe, lon, gil);
|
|
}
|
|
case c3__hold:
|
|
{
|
|
// fprintf(stderr, "hold\r\n");
|
|
if ( (c3y == u3qdi_has(gil, sut)) ) {
|
|
return u3_nul;
|
|
}
|
|
else {
|
|
u3_noun zoc = u3qdi_put(gil, sut);
|
|
u3_noun fop = u3qfu_repo(van, sut);
|
|
u3_noun pro = _find_buck(van, fop, way, p_heg, q_heg, axe, lon, zoc);
|
|
|
|
u3z(fop);
|
|
u3z(zoc);
|
|
|
|
return pro;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static u3_noun
|
|
_find_buck(u3_noun van,
|
|
u3_noun sut,
|
|
u3_noun way,
|
|
u3_noun p_heg,
|
|
u3_noun q_heg,
|
|
u3_noun axe,
|
|
u3_noun lon,
|
|
u3_noun gil)
|
|
{
|
|
u3_noun ret = _find_bucx(van, sut, way, p_heg, q_heg, axe, lon, gil);
|
|
|
|
return _pony_sane(ret);
|
|
}
|
|
|
|
static u3_noun
|
|
_find_limb(u3_noun van,
|
|
u3_noun sut, // type
|
|
u3_noun way, // ?(%read %rite %free %both)
|
|
u3_noun i_hyp, // limb
|
|
u3_noun p_mor) // palo
|
|
{
|
|
u3_noun pp_mor = u3h(p_mor); // vein
|
|
u3_noun qp_mor = u3t(p_mor); // opal
|
|
|
|
qp_mor = _opal_sane(qp_mor);
|
|
{
|
|
u3_noun ref = u3qfu_felt(van, sut, qp_mor);
|
|
u3_noun lon = u3k(pp_mor);
|
|
u3_noun heg = (c3y == u3du(i_hyp))
|
|
? u3k(i_hyp)
|
|
: u3nq(c3n, 0, u3_nul, u3k(i_hyp));
|
|
u3_noun ret;
|
|
|
|
if ( c3y == u3h(heg) ) {
|
|
u3_noun p_heg = u3t(heg); // axis
|
|
|
|
ret = u3nt
|
|
(c3y,
|
|
u3nc(u3nc(u3_nul, u3k(p_heg)), u3k(lon)),
|
|
u3nc(c3y, u3qfu_peek(van, ref, way, p_heg)));
|
|
|
|
ret = _pony_sane(ret);
|
|
}
|
|
else {
|
|
u3_noun p_heg = u3h(u3t(heg)); // @ud
|
|
u3_noun q_heg = u3t(u3t(heg)); // (unit term)
|
|
|
|
ret = _find_buck
|
|
(van, ref, way, p_heg, q_heg, 1, lon, u3_nul);
|
|
}
|
|
u3z(heg);
|
|
u3z(lon);
|
|
u3z(ref);
|
|
|
|
return _pony_sane(ret);
|
|
}
|
|
}
|
|
|
|
static u3_noun
|
|
_find_pony(u3_noun van,
|
|
u3_noun sut,
|
|
u3_noun way,
|
|
u3_noun hyp)
|
|
{
|
|
if ( u3_nul == hyp ) {
|
|
return _pony_sane(u3nt(c3y, u3_nul, u3nc(c3y, u3k(sut))));
|
|
}
|
|
else {
|
|
u3_noun i_hyp = u3h(hyp);
|
|
u3_noun t_hyp = u3t(hyp);
|
|
u3_noun mor = _find_pony(van, sut, way, t_hyp);
|
|
|
|
mor = _pony_sane(mor);
|
|
|
|
if ( c3n == u3h(mor) ) {
|
|
u3_noun p_mor = u3t(mor);
|
|
|
|
if ( c3y == u3h(p_mor) ) {
|
|
return mor;
|
|
}
|
|
else {
|
|
u3_noun pp_mor = u3t(p_mor); // {span nock}
|
|
u3_noun ppp_mor = u3h(pp_mor); // span
|
|
u3_noun qpp_mor = u3t(pp_mor); // nock
|
|
u3_noun gen = u3nt(c3__wing, u3k(i_hyp), u3_nul);
|
|
u3_noun fex = u3qfu_mint(van, ppp_mor, c3__noun, gen);
|
|
u3_noun ret = u3nt(c3n,
|
|
c3n,
|
|
u3nc(u3k(u3h(fex)),
|
|
u3qf_comb(qpp_mor, u3t(fex))));
|
|
u3z(fex);
|
|
u3z(gen);
|
|
u3z(mor);
|
|
|
|
return _pony_sane(ret);
|
|
}
|
|
}
|
|
else {
|
|
u3_noun p_mor = u3t(mor);
|
|
u3_noun ret = _find_limb(van, sut, way, i_hyp, p_mor);
|
|
|
|
u3z(mor);
|
|
return _pony_sane(ret);
|
|
}
|
|
}
|
|
}
|
|
|
|
static u3_noun
|
|
_cqfu_fond(u3_noun van,
|
|
u3_noun sut,
|
|
u3_noun way,
|
|
u3_noun hyp)
|
|
{
|
|
u3_noun taf;
|
|
|
|
taf = _find_pony(van, sut, way, hyp);
|
|
|
|
return taf;
|
|
}
|
|
|
|
static u3_noun
|
|
_cqfu_find(u3_noun van,
|
|
u3_noun sut,
|
|
u3_noun way,
|
|
u3_noun hyp)
|
|
{
|
|
u3_noun taf = _find_pony(van, sut, way, hyp);
|
|
|
|
if ( u3_nul == taf ) {
|
|
goto error;
|
|
}
|
|
else {
|
|
if ( c3y == u3h(taf) ) {
|
|
u3_noun fat = u3nc(c3y, u3k(u3t(taf)));
|
|
|
|
u3z(taf);
|
|
return fat;
|
|
}
|
|
else {
|
|
if ( c3n == u3h(u3t(taf)) ) {
|
|
u3_noun fat = u3nc(c3n, u3k(u3t(u3t(u3t(taf)))));
|
|
|
|
u3z(taf);
|
|
return fat;
|
|
}
|
|
else {
|
|
goto error;
|
|
}
|
|
}
|
|
}
|
|
error: {
|
|
u3m_p("wing", hyp);
|
|
|
|
return u3m_error("find");
|
|
}
|
|
}
|
|
|
|
/* boilerplate
|
|
*/
|
|
u3_noun
|
|
u3wfu_find(u3_noun cor)
|
|
{
|
|
u3_noun sut, way, hyp, van;
|
|
|
|
if ( (c3n == u3r_mean(cor, u3x_sam_2, &way,
|
|
u3x_sam_3, &hyp,
|
|
u3x_con, &van,
|
|
0)) ||
|
|
(u3_none == (sut = u3r_at(u3x_sam, van))) )
|
|
{
|
|
return u3m_bail(c3__fail);
|
|
} else {
|
|
return _cqfu_find(van, sut, way, hyp);
|
|
}
|
|
}
|
|
|
|
u3_noun
|
|
u3qfu_find(u3_noun van,
|
|
u3_noun sut,
|
|
u3_noun way,
|
|
u3_noun hyp)
|
|
{
|
|
c3_m fun_m = 144 + c3__find + ((!!u3r_at(u3qfu_van_vet, van)) << 8);
|
|
u3_noun pro = u3z_find_3(fun_m, sut, way, hyp);
|
|
|
|
if ( u3_none != pro ) {
|
|
return pro;
|
|
}
|
|
else {
|
|
pro = _cqfu_find(van, sut, way, hyp);
|
|
|
|
return u3z_save_3(fun_m, sut, way, hyp, pro);
|
|
}
|
|
}
|
|
|
|
/* boilerplate
|
|
*/
|
|
u3_noun
|
|
u3wfu_fond(u3_noun cor)
|
|
{
|
|
u3_noun sut, way, hyp, van;
|
|
|
|
if ( (c3n == u3r_mean(cor, u3x_sam_2, &way,
|
|
u3x_sam_3, &hyp,
|
|
u3x_con, &van,
|
|
0)) ||
|
|
(u3_none == (sut = u3r_at(u3x_sam, van))) )
|
|
{
|
|
return u3m_bail(c3__fail);
|
|
} else {
|
|
return _cqfu_fond(van, sut, way, hyp);
|
|
}
|
|
}
|
|
|
|
u3_noun
|
|
u3qfu_fond(u3_noun van,
|
|
u3_noun sut,
|
|
u3_noun way,
|
|
u3_noun hyp)
|
|
{
|
|
c3_m fun_m = 144 + c3__fond + ((!!u3r_at(u3qfu_van_vet, van)) << 8);
|
|
u3_noun pro = u3z_find_3(fun_m, sut, way, hyp);
|
|
|
|
if ( u3_none != pro ) {
|
|
return pro;
|
|
}
|
|
else {
|
|
pro = _cqfu_fond(van, sut, way, hyp);
|
|
|
|
return u3z_save_3(fun_m, sut, way, hyp, pro);
|
|
}
|
|
}
|