mirror of
https://github.com/ilyakooo0/urbit.git
synced 2024-12-14 17:41:33 +03:00
418 lines
8.2 KiB
C
418 lines
8.2 KiB
C
/* g/n.c
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**
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** This file is in the public domain.
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*/
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#include "all.h"
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/* _cn_hint(): process hint.
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*/
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static u3_noun
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_cn_hint(u3_noun zep,
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u3_noun hod,
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u3_noun bus,
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u3_noun nex)
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{
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switch ( zep ) {
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default: {
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u3_ca_lose(zep);
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u3_ca_lose(hod);
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return u3_cn_nock_on(bus, nex);
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}
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case c3__hunk:
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case c3__lose:
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case c3__mean:
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case c3__spot: {
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u3_noun tac = u3nc(zep, hod);
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u3_noun pro;
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u3_ct_push(tac);
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#if 0
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if ( c3__spot == zep ) {
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printf("spot %d/%d : %d/%d\n",
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u3h(u3h(u3t(hod))),
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u3t(u3h(u3t(hod))),
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u3h(u3t(u3t(hod))),
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u3t(u3t(u3t(hod))));
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}
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#endif
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pro = u3_cn_nock_on(bus, nex);
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u3_ct_drop();
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return pro;
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}
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case c3__slog: {
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u3_ct_slog(hod);
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return u3_cn_nock_on(bus, nex);
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}
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case c3__germ: {
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u3_noun pro = u3_cn_nock_on(bus, nex);
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if ( u3_yes == u3_cr_sing(pro, hod) ) {
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u3z(pro); return hod;
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} else {
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u3z(hod); return pro;
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}
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}
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case c3__fast: {
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u3_noun pro = u3_cn_nock_on(bus, nex);
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return u3_cj_mine(hod, pro);
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}
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case c3__memo: {
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u3z(hod);
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#if 0
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return u3_cn_nock_on(bus, nex);
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#else
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{
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u3_noun pro = u3_cz_find_2(c3__nock, bus, nex);
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if ( pro != u3_none ) {
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return pro;
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}
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pro = u3_cn_nock_on(u3k(bus), u3k(nex));
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u3_cz_save_2(c3__nock, bus, nex, pro);
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u3z(bus); u3z(nex);
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}
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#endif
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}
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case c3__sole: {
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u3z(hod);
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{
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u3_noun pro = u3_cn_nock_on(bus, nex);
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// return u3_cz_uniq(pro);
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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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/* u3_cn_nock_on(): produce .*(bus fol). Do not virtualize.
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*/
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u3_noun
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u3_cn_nock_on(u3_noun bus, u3_noun fol)
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{
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u3_noun hib, gal;
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while ( 1 ) {
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hib = u3h(fol);
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gal = u3t(fol);
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u3N++;
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if ( u3_yes == u3_cr_du(hib) ) {
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u3_noun poz, riv;
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poz = u3_cn_nock_on(u3k(bus), u3k(hib));
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riv = u3_cn_nock_on(bus, u3k(gal));
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u3_ca_lose(fol);
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return u3_ci_cell(poz, riv);
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}
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else switch ( hib ) {
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default: return u3_cm_bail(c3__exit);
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case 0: {
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if ( u3_no == u3_cr_ud(gal) ) {
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return u3_cm_bail(c3__exit);
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}
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else {
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u3_noun pro = u3k(u3at(gal, bus));
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u3_ca_lose(bus); u3_ca_lose(fol);
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return pro;
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}
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}
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c3_assert(!"not reached");
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case 1: {
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u3_noun pro = u3k(gal);
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u3_ca_lose(bus); u3_ca_lose(fol);
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return pro;
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}
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c3_assert(!"not reached");
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case 2: {
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u3_noun nex = u3_cn_nock_on(u3k(bus), u3k(u3t(gal)));
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u3_noun seb = u3_cn_nock_on(bus, u3k(u3h(gal)));
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u3_ca_lose(fol);
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bus = seb;
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fol = nex;
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continue;
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}
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c3_assert(!"not reached");
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case 3: {
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u3_noun gof, pro;
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gof = u3_cn_nock_on(bus, u3k(gal));
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pro = u3_cr_du(gof);
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u3_ca_lose(gof); u3_ca_lose(fol);
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return pro;
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}
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c3_assert(!"not reached");
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case 4: {
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u3_noun gof, pro;
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gof = u3_cn_nock_on(bus, u3k(gal));
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pro = u3_ci_vint(gof);
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u3_ca_lose(fol);
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return pro;
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}
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c3_assert(!"not reached");
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case 5: {
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u3_noun wim = u3_cn_nock_on(bus, u3k(gal));
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u3_noun pro = u3_cr_sing(u3h(wim), u3t(wim));
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u3_ca_lose(wim); u3_ca_lose(fol);
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return pro;
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}
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c3_assert(!"not reached");
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case 6: {
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u3_noun b_gal, c_gal, d_gal;
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u3_cx_trel(gal, &b_gal, &c_gal, &d_gal);
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{
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u3_noun tys = u3_cn_nock_on(u3k(bus), u3k(b_gal));
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u3_noun nex;
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if ( 0 == tys ) {
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nex = u3k(c_gal);
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} else if ( 1 == tys ) {
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nex = u3k(d_gal);
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} else return u3_cm_bail(c3__exit);
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u3_ca_lose(fol);
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fol = nex;
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continue;
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}
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}
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c3_assert(!"not reached");
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case 7: {
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u3_noun b_gal, c_gal;
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u3_cx_cell(gal, &b_gal, &c_gal);
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{
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u3_noun bod = u3_cn_nock_on(bus, u3k(b_gal));
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u3_noun nex = u3k(c_gal);
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u3_ca_lose(fol);
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bus = bod;
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fol = nex;
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continue;
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}
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}
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c3_assert(!"not reached");
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case 8: {
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u3_noun b_gal, c_gal;
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u3_cx_cell(gal, &b_gal, &c_gal);
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{
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u3_noun heb = u3_cn_nock_on(u3k(bus), u3k(b_gal));
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u3_noun bod = u3nc(heb, bus);
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u3_noun nex = u3k(c_gal);
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u3_ca_lose(fol);
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bus = bod;
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fol = nex;
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continue;
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}
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}
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c3_assert(!"not reached");
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case 9: {
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u3_noun b_gal, c_gal;
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u3_cx_cell(gal, &b_gal, &c_gal);
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{
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u3_noun seb = u3_cn_nock_on(bus, u3k(c_gal));
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u3_noun pro = u3_cj_kick(seb, b_gal);
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if ( u3_none != pro ) {
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u3_ca_lose(fol);
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return pro;
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}
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else {
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if ( u3_no == u3_cr_ud(b_gal) ) {
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return u3_cm_bail(c3__exit);
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}
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else {
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u3_noun nex = u3k(u3at(b_gal, seb));
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u3_ca_lose(fol);
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bus = seb;
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fol = nex;
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continue;
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}
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}
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}
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}
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c3_assert(!"not reached");
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case 10: {
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u3_noun p_gal, q_gal;
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u3_cx_cell(gal, &p_gal, &q_gal);
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{
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u3_noun zep, hod, nex;
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if ( u3_yes == u3_cr_du(p_gal) ) {
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u3_noun b_gal = u3h(p_gal);
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u3_noun c_gal = u3t(p_gal);
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u3_noun d_gal = q_gal;
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zep = u3k(b_gal);
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hod = u3_cn_nock_on(u3k(bus), u3k(c_gal));
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nex = u3k(d_gal);
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}
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else {
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u3_noun b_gal = p_gal;
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u3_noun c_gal = q_gal;
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zep = u3k(b_gal);
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hod = u3_nul;
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nex = u3k(c_gal);
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}
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u3_ca_lose(fol);
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return _cn_hint(zep, hod, bus, nex);
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}
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}
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case 11: {
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c3_assert(!"11 remains stubbed out");
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}
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c3_assert(!"not reached");
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}
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}
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}
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/* u3_cn_kick_on(): fire `gat` without changing the sample.
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*/
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u3_noun
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u3_cn_kick_on(u3_noun gat)
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{
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return u3_cj_kink(gat, 2);
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}
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/* u3_cn_slam_on(): produce (gat sam).
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*/
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u3_noun
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u3_cn_slam_on(u3_noun gat, u3_noun sam)
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{
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u3_noun cor = u3nc(u3k(u3h(gat)), u3nc(sam, u3k(u3t(u3t(gat)))));
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u3z(gat);
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return u3_cn_kick_on(cor);
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}
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/* u3_cn_nock_un(): produce .*(bus fol), as ++toon.
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*/
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u3_noun
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u3_cn_nock_un(u3_noun bus, u3_noun fol)
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{
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u3_noun ton;
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// u3_cm_leap();
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if ( u3_blip != u3_cm_trap() ) {
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u3_noun ton;
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if ( 0 != u3R->net.nyd ) {
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ton = u3nc(1, u3R->net.nyd);
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u3R->net.nyd = 0;
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}
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else {
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ton = u3nc(2, u3R->bug.tax);
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u3R->bug.tax = 0;
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}
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// u3_cm_fall();
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ton = u3_ca_gain(ton);
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// u3_cm_flog(0);
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}
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else {
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u3_noun pro = u3_cn_nock_on(bus, fol);
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// u3_cm_fall();
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ton = u3nc(0, u3_ca_gain(pro));
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}
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// u3z(bus); u3z(fol); return ton;
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return ton;
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}
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/* u3_cn_slam_un(): produce (gat sam), as ++toon.
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*/
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u3_noun
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u3_cn_slam_un(u3_noun gat, u3_noun sam)
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{
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u3_noun ton;
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// u3_cm_leap();
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if ( u3_blip != u3_cm_trap() ) {
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u3_noun ton;
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if ( 0 != u3R->net.nyd ) {
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ton = u3nc(1, u3R->net.nyd);
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u3R->net.nyd = 0;
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} else {
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ton = u3nc(2, u3R->bug.tax);
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u3R->bug.tax = 0;
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}
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// u3_cm_fall();
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ton = u3_ca_gain(ton);
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// u3_cm_flog(0);
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}
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else {
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u3_noun pro = u3_cn_slam_on(gat, sam);
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// u3_cm_fall();
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ton = u3nc(0, u3_ca_gain(pro));
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}
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// u3z(gat); u3z(sam); return ton;
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return ton;
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}
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/* u3_cn_nock_in(): produce .*(bus fol), as ++toon, in namespace.
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*/
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u3_noun
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u3_cn_nock_in(u3_noun fly, u3_noun bus, u3_noun fol)
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{
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// XX implement 11
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//
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u3z(fly); return u3_cn_nock_un(bus, fol);
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}
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/* u3_cn_slam_in(): produce (gat sam), as ++toon, in namespace.
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*/
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u3_noun
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u3_cn_slam_in(u3_noun fly, u3_noun gat, u3_noun sam)
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{
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// XX implement 11
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//
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u3z(fly); return u3_cn_slam_un(gat, sam);
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}
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/* u3_cn_nock_an(): as slam_in(), but with empty fly.
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*/
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u3_noun
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u3_cn_nock_an(u3_noun bus, u3_noun fol)
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{
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return u3_cn_nock_un(bus, fol);
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}
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