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201 lines
5.1 KiB
C
201 lines
5.1 KiB
C
/* j/6/fish.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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#include "../pit.h"
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/* functions
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*/
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static u2_noun
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_fish_in(
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u2_noun van,
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u2_noun sut,
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u2_atom axe,
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u2_noun vit)
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{
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u2_noun p_sut, q_sut;
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if ( u2_yes == u2ud(sut) ) switch ( sut ) {
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default: return u2_cm_bail(c3__fail);
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case c3__noun: {
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return u2nc(1, 0);
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}
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case c3__void: {
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return u2nc(1, 1);
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}
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}
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else switch ( u2h(sut) ) {
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default: return u2_cm_bail(c3__fail);
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case c3__atom: {
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u2_noun ton = u2nt(3, 0, u2k(axe));
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u2_noun pro = j2_mby(Pt6, flip)(ton);
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u2z(ton);
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return pro;
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}
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case c3__bull: {
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return u2_cm_error("bull-fish");
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}
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case c3__cell: {
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if ( (u2_no == u2_cr_trel(sut, 0, &p_sut, &q_sut)) ) {
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return u2_cm_bail(c3__fail);
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} else {
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u2_noun hut = u2nt(3, 0, u2k(axe));
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u2_noun lef = j2_mbc(Pt3, peg)(axe, 2);
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u2_noun rit = j2_mbc(Pt3, peg)(axe, 3);
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u2_noun hed = _fish_in(van, p_sut, lef, vit);
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u2_noun tal = _fish_in(van, q_sut, rit, vit);
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u2_noun hob = j2_mby(Pt6, flan)(hed, tal);
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u2_noun vug = j2_mby(Pt6, flan)(hut, hob);
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u2z(hob);
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u2z(tal);
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u2z(hed);
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u2z(rit);
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u2z(lef);
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u2z(hut);
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return vug;
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}
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}
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case c3__core: {
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return u2nc(0, 0);
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}
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case c3__cube: {
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if ( (u2_no == u2_cr_trel(sut, 0, &p_sut, &q_sut)) ) {
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return u2_cm_bail(c3__fail);
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} else {
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return u2nt
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(5,
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u2nc(1, u2k(p_sut)),
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u2nc(0, u2k(axe)));
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}
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}
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case c3__face: {
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if ( (u2_no == u2_cr_trel(sut, 0, &p_sut, &q_sut)) ) {
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return u2_cm_bail(c3__fail);
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} else {
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return _fish_in(van, q_sut, axe, vit);
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}
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}
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case c3__fork: {
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if ( (u2_no == u2_cr_trel(sut, 0, &p_sut, &q_sut)) ) {
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return u2_cm_bail(c3__fail);
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}
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else {
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u2_noun hed = _fish_in(van, p_sut, axe, vit);
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u2_noun tal = _fish_in(van, q_sut, axe, vit);
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u2_noun pro = j2_mby(Pt6, flor)(hed, tal);
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u2z(hed);
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u2z(tal);
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return pro;
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}
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}
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case c3__hold: {
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p_sut = u2t(sut);
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{
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if ( (u2_yes == j2_mcc(Pt4, in, has)(vit, sut)) ) {
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// u2_noun dun = j2_mcy(Pt6, ut, dunq)(van, "type", sut);
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u2_noun niz = j2_mcy(Pt6, ut, shep)
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(van, "axis", 'd', u2k(axe));
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// u2_ct_push(u2nc(c3__mean, dun));
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u2_ct_push(u2nc(c3__mean, niz));
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return u2_cm_error("fish-loop");
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} else {
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u2_noun zoc = j2_mcc(Pt4, in, put)(vit, sut);
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u2_noun fop = j2_mcy(Pt6, ut, rest)(van, sut, p_sut);
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u2_noun pro = _fish_in(van, fop, axe, zoc);
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u2z(fop);
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u2z(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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}
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u2_noun // transfer
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j2_mcx(Pt6, ut, fish)(
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u2_noun van, // retain
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u2_noun sut, // retain
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u2_atom axe) // retain
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{
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return _fish_in(van, sut, axe, u2_nul);
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}
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/* boilerplate
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*/
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u2_ho_jet
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j2_mcj(Pt6, ut, fish)[];
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u2_noun // transfer
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j2_mc(Pt6, ut, fish)(
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u2_noun cor) // retain
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{
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u2_noun sut, axe, van;
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if ( (u2_no == u2_cr_mean(cor, u2_cv_sam, &axe, u2_cv_con, &van, 0)) ||
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(u2_no == u2ud(axe)) ||
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(u2_none == (sut = u2_cr_at(u2_cv_sam, van))) )
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{
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return u2_cm_bail(c3__fail);
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} else {
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return j2_mcx(Pt6, ut, fish)(van, sut, axe);
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}
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}
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u2_noun // transfer
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j2_mcy(Pt6, ut, fish)(u2_noun van, // retain
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u2_noun sut, // retain
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u2_noun axe) // retain
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{
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c3_m fun_m = c3__fish;
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u2_noun pro = u2_cz_find_2(fun_m, sut, axe);
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if ( u2_none != pro ) {
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return pro;
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}
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else {
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pro = j2_mcx(Pt6, ut, fish)(van, sut, axe);
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return u2_cz_save_2(fun_m, sut, axe, pro);
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}
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}
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u2_weak
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j2_mck(Pt6, ut, fish)(
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u2_noun cor)
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{
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u2_noun sut, axe, van;
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if ( (u2_no == u2_cr_mean(cor, u2_cv_sam, &axe, u2_cv_con, &van, 0)) ||
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(u2_none == (sut = u2_cr_at(u2_cv_sam, van))) )
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{
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return u2_none;
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} else {
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return u2nc(u2k(sut), u2k(axe));
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}
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}
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/* structures
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*/
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u2_ho_jet
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j2_mcj(Pt6, ut, fish)[] = {
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{ ".2", c3__hevy,
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j2_mc(Pt6, ut, fish),
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Tier6_b_memo,
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u2_none, u2_none,
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j2_mck(Pt6, ut, fish), c3__fish,
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},
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{ }
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};
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