mirror of
https://github.com/ilyakooo0/urbit.git
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793 lines
21 KiB
C
793 lines
21 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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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_perk(u3_noun van,
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u3_noun sut,
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u3_noun way,
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u3_noun met)
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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, "perk");
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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(met),
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0));
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}
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static u3_noun
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_find_twin(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 hax;
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}
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if ( c3n == u3h(hax) ) {
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return u3m_error("find-fork");
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}
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else {
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u3_noun p_hax = u3t(hax);
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u3_noun p_yor = u3t(yor);
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u3_noun pp_hax = u3h(u3t(hax));
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u3_noun pp_yor = u3h(u3t(yor));
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u3_noun qp_hax = u3t(u3t(hax));
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u3_noun qp_yor = u3t(u3t(yor));
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if ( c3n == u3r_sing(pp_hax, pp_yor) ) {
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return u3m_error("find-fork");
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}
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else {
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}
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}
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pq_hax, pp_yor, pq_yor;
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u3x_cell(u3t_
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else return hax;
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}
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else {
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}
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}
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static u3_noun
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_find_no(u3_noun van,
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u3_noun sut,
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u3_noun way,
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u3_noun hyp,
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u3_noun p_mor)
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{
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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 u3nq
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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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c3y,
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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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u3_noun fat;
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u3z(exa);
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if ( (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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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_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_look(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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}
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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 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(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(qu_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_perk(van, sut, way, pq_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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static u3_noun
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_find_buck_face(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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if ( u3_nul == q_heg ) {
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return _find_buck_here(van, q_sut, way, p_heg, q_heg, axe, lon, gil);
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}
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else {
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}
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}
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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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{
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u3_noun p_sut, q_sut, r_sut;
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if ( c3n == u3du(sut) ) switch ( sut ) {
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default: return u3m_bail(c3__fail);
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case c3__noun: {
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return _find_buck_stop(van, sut, way, p_heg, q_heg, axe, lon, gil);
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}
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case c3__void: {
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return _find_buck_stop(van, sut, way, p_heg, q_heg, axe, lon, gil);
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}
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}
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else switch ( u3h(sut) ) {
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default: return u3m_bail(c3__fail);
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case c3__atom:
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{
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return _find_buck_stop(van, sut, way, p_heg, q_heg, axe, lon, gil);
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}
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case c3__cell:
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{
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return _find_buck_cell(van, sut, way, p_heg, q_heg, axe, lon, gil);
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}
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case c3__core:
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{
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return _find_buck_core(van, sut, way, p_heg, q_heg, axe, lon, gil);
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}
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case c3__face:
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{
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return _find_buck_face(van, sut, way, p_heg, q_heg, axe, lon, gil);
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}
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case c3__fork:
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{
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return _find_buck_fork(van, sut, way, p_heg, q_heg, axe, lon, gil);
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}
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case c3__hold: p_sut = u3t(sut);
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{
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if ( (c3y == u3qdi_has(gil, sut)) ) {
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return u3nt(c3n, c3y, u3k(p_heg));
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}
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else {
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u3_noun zoc = u3qdi_put(gil, sut);
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u3_noun fop = u3qfu_repo(van, sut);
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u3_noun pro = _find_buck(van, sut, way, p_heg, q_heg, axe, lon, zoc);
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u3z(fop);
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u3z(zoc);
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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_yes(u3_noun van,
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u3_noun sut, // span
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u3_noun way, // ?(%read %rite %free %both)
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u3_noun i_hyp, // limb
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u3_noun p_mor) // palo
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{
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u3_noun pp_mor = u3h(p_mor); // vein
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u3_noun qp_mor = u3t(p_mor); // opal
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{
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u3_noun ref = u3qfu_felt(van, sut, qp_mor);
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u3_noun lon = u3k(pp_mor);
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u3_noun heg = (c3y == u3du(i_hyp))
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? u3k(i_hyp)
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: u3nq(c3n, 0, u3_nul, u3k(i_hyp));
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u3_noun ret;
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if ( c3y == u3h(heg) ) {
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u3_noun p_heg = u3t(heg); // axis
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ret = u3nq
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(c3y,
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u3nc(u3nc(u3_nul, u3k(p_heg)), u3k(lon)),
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c3y,
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u3qfu_peek(van, ref, way, p_heg);
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}
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else {
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u3_noun p_heg = u3h(u3t(heg)); // @ud
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u3_noun q_heg = u3h(u3t(heg)); // (unit term)
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ret = _find_buck
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(van, ref, way, 1, lon, p_heg, q_heg, u3_nul);
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}
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u3z(heg);
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u3z(lon);
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u3z(ref);
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return ret;
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}
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}
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static u3_noun
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_find_outer(u3_noun van,
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u3_noun sut,
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u3_noun way,
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u3_noun hyp)
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{
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if ( u3_nul == hyp ) {
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return u3nq(c3y, u3_nul, c3y, u3k(sut));
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}
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else {
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u3_noun i_hyp = u3h(hyp);
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u3_noun t_hyp = u3t(hyp);
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u3_noun mor = _find_outer(van, sut, way, t_hyp);
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u3_noun p_mor = u3t(mor);
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if ( c3n == u3h(mor) ) {
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u3_noun ret = _find_no(van, sut, way, i_hyp, p_mor);
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u3z(mor);
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return ret;
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}
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else {
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u3_noun ret = _find_yes(van, sut, way, i_hyp, p_mor);
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u3z(mor);
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return ret;
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}
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}
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}
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static u3_noun
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_find_in(u3_noun van,
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u3_noun sut,
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u3_noun dep,
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u3_noun way,
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u3_noun hyp,
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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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c3_assert(0);
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if ( c3y == u3ud(sut) ) {
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return u3nc(u3k(dep), u3_nul);
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}
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else switch ( u3h(sut) ) {
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default: return u3nc(u3k(dep), u3_nul);
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case c3__bull: {
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if ( (c3n == u3r_trel(sut, 0, &p_sut, &q_sut)) ) {
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return u3m_bail(c3__fail);
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}
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else {
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if ( (c3n == u3du(cug)) ||
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(c3n == u3r_sing(u3t(cug), u3h(p_sut))) ) {
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return _find_in(van, q_sut, dep, way, cug, gil);
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}
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else {
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if ( 0 == dep ) {
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return u3nc(0,
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u3nt(u3_nul,
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1,
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u3nt(2, u3k(p_sut),
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u3k(q_sut))));
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} else {
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return _find_in(van, q_sut, u3qa_dec(dep), way, cug, gil);
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}
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}
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}
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}
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case c3__cell: {
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if ( (c3n == u3r_trel(sut, 0, &p_sut, &q_sut)) ) {
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return u3m_bail(c3__fail);
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} else {
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u3_noun taf = _find_in(van, p_sut, dep, way, cug, gil);
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u3_noun p_taf = u3h(taf);
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u3_noun q_taf = u3t(taf);
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u3_noun ret;
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if ( u3_nul == q_taf ) {
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u3_noun bov = _find_in(van, q_sut, p_taf, way, cug, gil);
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u3_noun p_bov = u3h(bov);
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u3_noun q_bov = u3t(bov);
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if ( u3_nul == q_bov ) {
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ret = u3k(bov);
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}
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else {
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u3_noun puq_bov, quq_bov;
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u3r_mean(q_bov, 6, &puq_bov, 7, &quq_bov, 0);
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ret = u3nq(u3k(p_bov),
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u3_nul,
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u3qc_peg(3, puq_bov),
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u3k(quq_bov));
|
|
}
|
|
u3z(bov);
|
|
}
|
|
else {
|
|
u3_noun puq_taf, quq_taf;
|
|
|
|
u3r_mean(q_taf, 6, &puq_taf, 7, &quq_taf, 0);
|
|
ret = u3nq(u3k(p_taf),
|
|
u3_nul,
|
|
u3qc_peg(2, puq_taf),
|
|
u3k(quq_taf));
|
|
}
|
|
u3z(taf);
|
|
return ret;
|
|
}
|
|
}
|
|
case c3__core: {
|
|
u3_noun pq_sut, qq_sut, rq_sut;
|
|
u3_noun prq_sut, qrq_sut;
|
|
|
|
if ( (c3n == u3r_trel(sut, 0, &p_sut, &q_sut)) ||
|
|
(c3n == u3r_trel(q_sut, &pq_sut, &qq_sut, &rq_sut)) ||
|
|
(c3n == u3r_cell(rq_sut, &prq_sut, &qrq_sut)) )
|
|
{
|
|
return u3m_bail(c3__fail);
|
|
} else {
|
|
u3_noun zem = (c3n == u3du(cug))
|
|
? u3_nul
|
|
: u3qf_look(u3t(cug), qrq_sut);
|
|
|
|
if ( (u3_nul != zem) && (0 != dep) ) {
|
|
u3_noun ped;
|
|
|
|
ped = u3qa_dec(dep);
|
|
u3z(dep); dep = ped;
|
|
|
|
u3z(zem);
|
|
zem = u3_nul;
|
|
}
|
|
|
|
if ( u3_nul == zem ) {
|
|
u3_noun taf = _find_in(van, p_sut, dep, way, cug, gil);
|
|
u3_noun p_taf = u3h(taf);
|
|
u3_noun q_taf = u3t(taf);
|
|
|
|
if ( u3_nul == q_taf ) {
|
|
u3z(taf);
|
|
return u3nc(u3k(dep), u3_nul);
|
|
}
|
|
else {
|
|
u3_noun puq_taf, quq_taf;
|
|
u3_noun pro;
|
|
|
|
u3r_mean(q_taf, 6, &puq_taf, 7, &quq_taf, 0);
|
|
|
|
if ( c3n == u3qfu_park(van, sut, way, puq_taf) )
|
|
{
|
|
u3_noun weh = u3qfu_shep(van, "way", 'a', u3k(way));
|
|
u3_noun waz = u3qfu_shep(van, "axis", 'd', u3k(puq_taf));
|
|
|
|
u3t_push(u3nc(c3__mean, weh));
|
|
u3t_push(u3nc(c3__mean, waz));
|
|
return u3m_error("find-park");
|
|
}
|
|
else {
|
|
pro = u3nq(u3k(p_taf),
|
|
u3_nul,
|
|
u3qc_peg(3, puq_taf),
|
|
u3k(quq_taf));
|
|
|
|
u3z(taf);
|
|
return pro;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
u3_noun u_zem = u3t(zem);
|
|
u3_noun pu_zem = u3h(u_zem);
|
|
u3_noun qu_zem = u3t(u_zem);
|
|
u3_noun mut;
|
|
u3_noun pro;
|
|
|
|
mut = u3nt(c3__core,
|
|
u3k(p_sut),
|
|
u3nt(c3__gold,
|
|
u3k(qq_sut),
|
|
u3k(rq_sut)));
|
|
|
|
pro = u3nc(0,
|
|
u3nq(u3_nul,
|
|
1,
|
|
1,
|
|
u3nc(u3qc_peg(2, pu_zem),
|
|
u3nc(u3nc(mut, u3k(qu_zem)),
|
|
u3_nul))));
|
|
u3z(zem);
|
|
return pro;
|
|
}
|
|
}
|
|
}
|
|
case c3__face: {
|
|
if ( (c3n == u3r_trel(sut, 0, &p_sut, &q_sut)) ) {
|
|
return u3m_bail(c3__fail);
|
|
} else {
|
|
if ( (c3n == u3du(cug)) || (c3n == u3r_sing(u3t(cug), p_sut)) ) {
|
|
return u3nc(u3k(dep), u3_nul);
|
|
} else {
|
|
if ( 0 == dep ) {
|
|
return u3nc(0, u3nq(u3_nul, 1, 0, u3k(q_sut)));
|
|
} else {
|
|
return u3nc
|
|
(u3qa_dec(dep), u3_nul);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
case c3__cube: {
|
|
u3_noun fop = u3qfu_repo(van, sut);
|
|
u3_noun pro = _find_in(van, fop, dep, way, cug, gil);
|
|
|
|
u3z(fop);
|
|
return pro;
|
|
}
|
|
case c3__fork: {
|
|
if ( (c3n == u3r_trel(sut, 0, &p_sut, &q_sut)) ) {
|
|
return u3m_bail(c3__fail);
|
|
}
|
|
|
|
if ( (c3y == u3qdi_has(gil, q_sut)) ) {
|
|
return _find_in(van, p_sut, dep, way, cug, gil);
|
|
}
|
|
else if ( (c3y == u3qdi_has(gil, p_sut)) ) {
|
|
return _find_in(van, q_sut, dep, way, cug, gil);
|
|
}
|
|
else {
|
|
u3_noun hax = _find_in(van, p_sut, dep, way, cug, gil);
|
|
u3_noun yor = _find_in(van, q_sut, dep, way, cug, gil);
|
|
u3_noun p_hax = u3h(hax);
|
|
u3_noun p_yor = u3h(yor);
|
|
u3_noun q_hax = u3t(hax);
|
|
u3_noun q_yor = u3t(yor);
|
|
u3_noun puq_hax, quq_hax;
|
|
u3_noun puq_yor, quq_yor;
|
|
u3_noun ret = 0;
|
|
|
|
if ( u3_nul != q_hax ) {
|
|
u3r_mean(q_hax, 6, &puq_hax, 7, &quq_hax, 0);
|
|
}
|
|
if ( u3_nul != q_yor ) {
|
|
u3r_mean(q_yor, 6, &puq_yor, 7, &quq_yor, 0);
|
|
}
|
|
|
|
if ( c3y == u3r_sing(hax, yor) ) {
|
|
ret = u3k(hax);
|
|
}
|
|
else {
|
|
if ( (c3n == u3r_sing(p_hax, p_yor)) ||
|
|
((u3_nul == q_hax) || (u3_nul == q_yor)) ||
|
|
(c3n == u3r_sing(puq_hax, puq_yor)) ||
|
|
(c3n == u3r_sing(u3h(quq_hax), u3h(quq_yor))) )
|
|
{
|
|
return u3m_error("find-fork");
|
|
}
|
|
switch ( u3h(quq_hax) ) {
|
|
case 0: {
|
|
u3_noun pquq_hax = u3t(quq_hax);
|
|
u3_noun pquq_yor = u3t(quq_yor);
|
|
|
|
ret = u3nc(u3k(p_hax),
|
|
u3nq(u3_nul,
|
|
u3k(puq_hax),
|
|
0,
|
|
u3qf_fork(pquq_hax, pquq_yor)));
|
|
break;
|
|
}
|
|
case 1: {
|
|
u3_noun pquq_hax, qquq_hax, pquq_yor, qquq_yor;
|
|
|
|
u3x_cell(u3t(quq_hax), &pquq_hax, &qquq_hax);
|
|
u3x_cell(u3t(quq_yor), &pquq_yor, &qquq_yor);
|
|
|
|
if ( c3n == u3r_sing(pquq_hax, pquq_yor) ) {
|
|
return u3m_error("find-fork");
|
|
} else {
|
|
ret = u3nc(u3k(p_hax),
|
|
u3nq(u3_nul,
|
|
u3k(puq_hax),
|
|
1,
|
|
u3nc(u3k(pquq_hax),
|
|
u3qb_weld(qquq_hax, qquq_yor))));
|
|
break;
|
|
}
|
|
}
|
|
case 2: {
|
|
u3_noun pquq_hax, qquq_hax, pquq_yor, qquq_yor;
|
|
u3_noun ppquq_hax, qpquq_hax, rpquq_hax, spquq_hax;
|
|
u3_noun ppquq_yor, qpquq_yor, rpquq_yor, spquq_yor;
|
|
|
|
u3x_cell(u3t(quq_hax), &pquq_hax, &qquq_hax);
|
|
u3x_cell(u3t(quq_yor), &pquq_yor, &qquq_yor);
|
|
u3x_qual(pquq_hax,
|
|
&ppquq_hax, &qpquq_hax, &rpquq_hax, &spquq_hax);
|
|
u3x_qual(pquq_yor,
|
|
&ppquq_yor, &qpquq_yor, &rpquq_yor, &spquq_yor);
|
|
|
|
if ( (c3n == u3r_sing(ppquq_hax, ppquq_yor)) ||
|
|
(c3n == u3r_sing(qpquq_hax, qpquq_yor)) ||
|
|
(c3n == u3r_sing(rpquq_hax, rpquq_yor)) )
|
|
{
|
|
return u3m_error("find-fork");
|
|
}
|
|
else {
|
|
ret = u3nc(u3k(p_hax),
|
|
u3nq(u3_nul,
|
|
u3k(puq_hax),
|
|
2,
|
|
u3nc(u3nq(u3k(ppquq_hax),
|
|
u3k(qpquq_hax),
|
|
u3k(rpquq_hax),
|
|
u3qf_fork(spquq_hax,
|
|
spquq_yor)),
|
|
u3qf_fork(qquq_hax, qquq_yor))));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
u3z(yor);
|
|
u3z(hax);
|
|
|
|
return ret;
|
|
}
|
|
}
|
|
case c3__hold: p_sut = u3t(sut);
|
|
{
|
|
if ( (c3y == u3qdi_has(gil, sut)) ) {
|
|
return u3nc(u3k(dep), u3_nul);
|
|
}
|
|
else {
|
|
u3_noun zoc = u3qdi_put(gil, sut);
|
|
u3_noun fop = u3qfu_repo(van, sut);
|
|
u3_noun pro = _find_in(van, fop, dep, way, cug, zoc);
|
|
|
|
u3z(fop);
|
|
u3z(zoc);
|
|
|
|
return pro;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
u3_noun
|
|
_cqfu_find(u3_noun van,
|
|
u3_noun sut,
|
|
u3_noun dep,
|
|
u3_noun way,
|
|
u3_noun cug)
|
|
{
|
|
return _find_in(van, sut, dep, way, cug, u3_nul);
|
|
}
|
|
|
|
/* boilerplate
|
|
*/
|
|
u3_noun
|
|
u3wfu_find(u3_noun cor)
|
|
{
|
|
u3_noun sut, dep, way, cug, van;
|
|
|
|
if ( (c3n == u3r_mean(cor, u3x_sam_2, &dep,
|
|
u3x_sam_6, &way,
|
|
u3x_sam_7, &cug,
|
|
u3x_con, &van,
|
|
0)) ||
|
|
(u3_none == (sut = u3r_at(u3x_sam, van))) )
|
|
{
|
|
return u3m_bail(c3__fail);
|
|
} else {
|
|
return _cqfu_find(van, sut, dep, way, cug);
|
|
}
|
|
}
|
|
|
|
u3_noun
|
|
u3qfu_find(u3_noun van,
|
|
u3_noun sut,
|
|
u3_noun dep,
|
|
u3_noun way,
|
|
u3_noun cug)
|
|
{
|
|
c3_m fun_m = c3__find + !!u3r_at(u3qfu_van_vet, van);
|
|
u3_noun pro = u3z_find_4(fun_m, sut, dep, way, cug);
|
|
|
|
if ( u3_none != pro ) {
|
|
return pro;
|
|
}
|
|
else {
|
|
pro = _cqfu_find(van, sut, dep, way, cug);
|
|
|
|
return u3z_save_4(fun_m, sut, dep, way, cug, pro);
|
|
}
|
|
}
|