mirror of
https://github.com/urbit/shrub.git
synced 2024-12-23 02:41:35 +03:00
918 lines
24 KiB
C
918 lines
24 KiB
C
/* j/6/find.c
|
|
**
|
|
*/
|
|
#include "all.h"
|
|
|
|
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);
|
|
|
|
/* `u3qfu_felt_arm` is a helper function for
|
|
* u3qfu_felt. It handles the case in which the
|
|
* opal is for an arm, and hence which needs a
|
|
* list of `hold`s. These will be converted to
|
|
* a `fork` type.
|
|
*/
|
|
static u3_noun
|
|
u3qfu_felt_arm(u3_noun lis)
|
|
{
|
|
if ( u3_nul == lis ) {
|
|
return u3_nul;
|
|
}
|
|
else {
|
|
u3_noun i_lis, t_lis, fot, typ;
|
|
u3_noun p_typ, q_typ, pq_typ, qq_typ, rq_typ;
|
|
|
|
u3x_cell(lis, &i_lis, &t_lis);
|
|
u3x_cell(i_lis, &typ, &fot);
|
|
|
|
if ( (c3n == u3du(typ)) ||
|
|
(c3__core != u3h(typ)) ) {
|
|
return u3m_error("felt-core");
|
|
}
|
|
else {
|
|
u3x_cell(u3t(typ), &p_typ, &q_typ);
|
|
u3x_trel(q_typ, &pq_typ, &qq_typ, &rq_typ);
|
|
|
|
u3_noun dox = u3nt(c3__core, u3k(qq_typ), u3k(q_typ));
|
|
u3_noun par = u3nt(c3__hold, dox, u3nc(u3_nul, 1));
|
|
return u3nc(par, u3qfu_felt_arm(t_lis));
|
|
}
|
|
}
|
|
}
|
|
|
|
/* `u3qfu_felt` takes an opal, lap, and converts
|
|
* it to a type. The opal comes from the last
|
|
* limb of the wing processed by `+fond`. The
|
|
* type is used in +fond as the subject type of
|
|
* the next limb in the wing.
|
|
*/
|
|
static u3_noun
|
|
u3qfu_felt(u3_noun lap)
|
|
{
|
|
u3_noun pro, lim, mil;
|
|
u3x_cell(lap, &lim, &mil);
|
|
|
|
if ( c3y == lim ) {
|
|
pro = u3k(mil);
|
|
}
|
|
else if ( c3n == lim ) {
|
|
u3_noun p_lap, q_lap;
|
|
u3x_cell(mil, &p_lap, &q_lap);
|
|
u3_noun lis = u3qdi_tap(q_lap);
|
|
u3_noun hos = u3qfu_felt_arm(lis);
|
|
|
|
pro = u3kf_fork(hos);
|
|
u3z(lis);
|
|
}
|
|
else {
|
|
u3m_bail(c3__exit);
|
|
}
|
|
return pro;
|
|
}
|
|
|
|
static u3_noun
|
|
u3qfu_fund(u3_noun van,
|
|
u3_noun sut,
|
|
u3_noun way,
|
|
u3_noun gen)
|
|
{
|
|
u3_noun von = u3i_molt(u3k(van), u3x_sam, u3k(sut), 0);
|
|
u3_noun gat = u3j_cook("u3qfu_fund-fund", von, "fund");
|
|
|
|
return u3n_kick_on(u3i_molt(gat,
|
|
u3x_sam_2,
|
|
u3k(way),
|
|
u3x_sam_3,
|
|
u3k(gen),
|
|
0));
|
|
}
|
|
|
|
static u3_noun
|
|
u3qfu_fine(u3_noun van,
|
|
u3_noun sut,
|
|
u3_noun tor)
|
|
{
|
|
u3_noun von = u3i_molt(u3k(van), u3x_sam, u3k(sut), 0);
|
|
u3_noun gat = u3j_cook("u3qfu_fine-fine", von, "fine");
|
|
|
|
return u3n_kick_on(u3i_molt(gat,
|
|
u3x_sam,
|
|
u3k(tor),
|
|
0));
|
|
}
|
|
|
|
static u3_noun
|
|
_find_buck_here(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 ( 0 == p_heg ) {
|
|
return u3nt
|
|
(c3y,
|
|
u3nt(u3_nul,
|
|
u3nc(u3_nul, u3k(axe)),
|
|
u3k(lon)),
|
|
u3nc(c3y, u3k(sut)));
|
|
}
|
|
else {
|
|
return u3nt
|
|
(c3n, c3y, u3qa_dec(p_heg));
|
|
}
|
|
}
|
|
|
|
static u3_noun
|
|
_find_buck_lose(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)
|
|
{
|
|
return u3nt(c3n, c3y, u3k(p_heg));
|
|
}
|
|
static u3_noun
|
|
_find_buck_stop(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 ( u3_nul == q_heg ) {
|
|
return _find_buck_here(van, sut, way, p_heg, q_heg, axe, lon, gil);
|
|
}
|
|
else {
|
|
return _find_buck_lose(van, sut, way, p_heg, q_heg, axe, lon, gil);
|
|
}
|
|
}
|
|
|
|
static u3_noun
|
|
_find_buck_cell(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, sut, way, p_heg, q_heg, axe, lon, gil);
|
|
}
|
|
else {
|
|
u3_noun exa = u3qc_peg(axe, 2);
|
|
u3_noun hed = _find_buck(van, p_sut, way, p_heg, q_heg, exa, lon, gil);
|
|
|
|
u3z(exa);
|
|
if ( (u3_nul == hed) || (c3y == u3h(hed)) || (c3n == u3h(u3t(hed))) ) {
|
|
return hed;
|
|
}
|
|
else {
|
|
u3_noun exa = u3qc_peg(axe, 3);
|
|
u3_noun tal = _find_buck
|
|
(van, q_sut, way, u3t(u3t(hed)), q_heg, exa, lon, gil);
|
|
|
|
u3z(exa);
|
|
u3z(hed);
|
|
|
|
return tal;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static u3_noun
|
|
_find_buck_core(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, pq_sut, qq_sut, rq_sut, prq_sut, qrq_sut;
|
|
u3_noun ppq_sut, qpq_sut, rpq_sut;
|
|
|
|
u3x_cell(u3t(sut), &p_sut, &q_sut);
|
|
u3x_trel(q_sut, &pq_sut, &qq_sut, &rq_sut);
|
|
u3x_trel(pq_sut, &ppq_sut, &qpq_sut, &rpq_sut);
|
|
u3x_cell(rq_sut, &prq_sut, &qrq_sut);
|
|
{
|
|
if ( u3_nul == q_heg ) {
|
|
return _find_buck_here(van, sut, way, p_heg, q_heg, axe, lon, gil);
|
|
}
|
|
else {
|
|
u3_noun zem = u3qf_loot(u3t(q_heg), qrq_sut);
|
|
|
|
if ( (u3_nul != zem) && (0 != p_heg) ) {
|
|
u3_noun ped;
|
|
|
|
ped = u3qa_dec(p_heg);
|
|
u3z(p_heg); p_heg = ped;
|
|
|
|
u3z(zem);
|
|
zem = u3_nul;
|
|
}
|
|
|
|
if ( u3_nul != zem ) {
|
|
u3_noun u_zem = u3t(zem);
|
|
u3_noun pu_zem = u3h(u_zem);
|
|
u3_noun qu_zem = u3t(u_zem);
|
|
u3_noun zut;
|
|
u3_noun pro;
|
|
|
|
#if 1
|
|
if ( qpq_sut == c3__wet ) {
|
|
zut = u3nc(c3__wet, u3k(qu_zem));
|
|
}
|
|
else if ( qpq_sut == c3__dry ) {
|
|
zut = u3nc(c3__dry, u3k(qu_zem));
|
|
}
|
|
else u3m_bail(c3__fail);
|
|
#endif
|
|
|
|
pro = u3nt
|
|
(c3y,
|
|
u3nc(u3nc(u3_nul, u3k(axe)), u3k(lon)),
|
|
u3nt(c3n,
|
|
u3qc_peg(2, pu_zem),
|
|
u3nt(u3nc(u3k(sut), zut), u3_nul, u3_nul)));
|
|
|
|
u3z(zem);
|
|
return pro;
|
|
}
|
|
else {
|
|
u3_noun pec = u3qfu_peel(van, sut, way, rpq_sut);
|
|
u3_noun pro;
|
|
|
|
if ( c3n == u3h(pec) ) {
|
|
pro = _find_buck_lose(van, sut, way, p_heg, q_heg, axe, lon, gil);
|
|
}
|
|
else if ( c3y == u3t(pec) ) {
|
|
u3_noun exa = u3qc_peg(axe, 3);
|
|
|
|
pro = _find_buck(van, p_sut, way, p_heg, q_heg, exa, lon, gil);
|
|
u3z(exa);
|
|
}
|
|
else {
|
|
u3_noun sam = u3qfu_peek(van, p_sut, way, 2);
|
|
u3_noun exa = u3qc_peg(axe, 6);
|
|
|
|
pro = _find_buck(van, sam, way, p_heg, q_heg, exa, lon, gil);
|
|
u3z(exa);
|
|
u3z(sam);
|
|
}
|
|
u3z(pec);
|
|
return pro;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static u3_noun
|
|
_find_twin(u3_noun van,
|
|
u3_noun hax,
|
|
u3_noun yor)
|
|
{
|
|
if ( c3y == u3r_sing(hax, yor) ) {
|
|
return u3k(hax);
|
|
}
|
|
else if ( u3_nul == hax ) {
|
|
return u3k(yor);
|
|
}
|
|
else if ( u3_nul == yor ) {
|
|
return u3k(hax);
|
|
}
|
|
else if ( c3n == u3h(hax) ) {
|
|
if ( (c3n != u3h(yor)) ) {
|
|
return u3m_error("find-fork-a");
|
|
}
|
|
else {
|
|
u3_noun p_hax = u3t(hax); // (each @ud {span nock})
|
|
u3_noun p_yor = u3t(yor); // (each @ud {span nock})
|
|
|
|
if ( (c3n != u3h(p_hax)) || (c3n != u3h(p_yor)) ) {
|
|
return u3m_error("find-fork-b");
|
|
}
|
|
else {
|
|
u3_noun pp_hax = u3t(p_hax); // {span nock}
|
|
u3_noun pp_yor = u3t(p_yor); // {span nock}
|
|
u3_noun ppp_hax = u3h(pp_hax); // span
|
|
u3_noun ppp_yor = u3h(pp_yor); // span
|
|
u3_noun qpp_hax = u3t(pp_hax); // nock
|
|
u3_noun qpp_yor = u3t(pp_yor); // nock
|
|
|
|
if ( c3n == u3r_sing(qpp_hax, qpp_yor) ) {
|
|
return u3m_error("find-fork-c");
|
|
}
|
|
return u3nt(c3n,
|
|
c3n,
|
|
u3nc(
|
|
u3kf_fork(u3nt(u3k(ppp_hax), u3k(ppp_yor), u3_nul)),
|
|
u3k(qpp_hax)));
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
if ( c3n == u3h(yor) ) {
|
|
return u3m_error("find-fork-d");
|
|
}
|
|
else {
|
|
u3_noun p_hax = u3t(hax); // {vein opal}
|
|
u3_noun p_yor = u3t(yor); // {vein opal}
|
|
u3_noun pp_hax = u3h(p_hax); // vein
|
|
u3_noun pp_yor = u3h(p_yor); // vein
|
|
u3_noun qp_hax = u3t(p_hax); // opal
|
|
u3_noun qp_yor = u3t(p_yor); // opal
|
|
|
|
if ( c3n == u3r_sing(pp_hax, pp_yor) ) {
|
|
return u3m_error("find-fork-e");
|
|
}
|
|
else {
|
|
if ( c3y == u3h(qp_hax) ) {
|
|
if ( c3y != u3h(qp_yor) ) {
|
|
return u3m_error("find-fork-f");
|
|
} else {
|
|
u3_noun pqp_hax = u3t(qp_hax); // type
|
|
u3_noun pqp_yor = u3t(qp_yor); // type
|
|
|
|
return
|
|
u3nt(c3y,
|
|
u3k(pp_hax),
|
|
u3nc(c3y, u3kf_fork
|
|
(u3nt(u3k(pqp_hax), u3k(pqp_yor), u3_nul))));
|
|
}
|
|
}
|
|
else if ( c3n != u3h(qp_yor) ) {
|
|
return u3m_error("find-fork-g");
|
|
} else {
|
|
u3_noun pqp_hax = u3h(u3t(qp_hax)); // axis
|
|
u3_noun pqp_yor = u3h(u3t(qp_yor)); // axis
|
|
u3_noun qqp_hax = u3t(u3t(qp_hax)); // (set {type foot})
|
|
u3_noun qqp_yor = u3t(u3t(qp_yor)); // (set {type foot})
|
|
|
|
if ( c3n == u3r_sing(pqp_hax, pqp_yor) ) {
|
|
return u3m_error("find-fork-h");
|
|
} else {
|
|
return
|
|
u3nt(c3y,
|
|
u3k(pp_hax),
|
|
u3nt(c3n, u3k(pqp_hax), u3qdi_uni(qqp_hax, qqp_yor)));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// error: { return u3m_error("find-fork"); }
|
|
}
|
|
|
|
static u3_noun
|
|
_find_buck_fork_twin(u3_noun van, u3_noun wiz)
|
|
{
|
|
if ( u3_nul == wiz ) {
|
|
return u3_nul;
|
|
}
|
|
else if ( u3_nul == u3t(wiz) ) {
|
|
return u3k(u3h(wiz));
|
|
}
|
|
else {
|
|
u3_noun hax = u3k(u3h(wiz));
|
|
u3_noun yor = _find_buck_fork_twin(van, u3t(wiz));
|
|
u3_noun fid = _find_twin(van, hax, yor);
|
|
|
|
u3z(hax);
|
|
u3z(yor);
|
|
|
|
return fid;
|
|
}
|
|
}
|
|
|
|
static u3_noun
|
|
_find_buck_fork_turn(u3_noun van,
|
|
u3_noun yed,
|
|
u3_noun way,
|
|
u3_noun p_heg,
|
|
u3_noun q_heg,
|
|
u3_noun axe,
|
|
u3_noun lon,
|
|
u3_noun gil)
|
|
{
|
|
if ( u3_nul == yed ) {
|
|
return u3_nul;
|
|
}
|
|
else {
|
|
u3_noun fid = _find_buck(van, u3h(yed), way, p_heg, q_heg, axe, lon, gil);
|
|
|
|
return u3nc
|
|
(fid,
|
|
_find_buck_fork_turn
|
|
(van, u3t(yed), way, p_heg, q_heg, axe, lon, gil));
|
|
}
|
|
}
|
|
|
|
static u3_noun
|
|
_find_buck_fork(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 = u3t(sut);
|
|
u3_noun yed = u3qdi_tap(p_sut);
|
|
u3_noun wiz;
|
|
u3_noun ret;
|
|
|
|
wiz = _find_buck_fork_turn(van, yed, way, p_heg, q_heg, axe, lon, gil);
|
|
u3z(yed);
|
|
|
|
ret = _find_buck_fork_twin(van, wiz);
|
|
u3z(wiz);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static u3_noun
|
|
_find_buck_face_next(u3_noun van,
|
|
u3_noun sut,
|
|
u3_noun q_sut,
|
|
u3_noun qp_sut,
|
|
u3_noun way,
|
|
u3_noun p_heg,
|
|
u3_noun q_heg,
|
|
u3_noun axe,
|
|
u3_noun lon,
|
|
u3_noun gil)
|
|
{
|
|
if ( u3_nul == qp_sut ) {
|
|
u3_noun nol = u3nc(u3_nul, u3k(lon));
|
|
u3_noun ret = _find_buck(van, q_sut, way, p_heg, q_heg, axe, nol, gil);
|
|
u3z(nol);
|
|
return ret;
|
|
}
|
|
else {
|
|
u3_noun iqp_sut = u3h(qp_sut); // twig
|
|
u3_noun tiv = u3qfu_mint // (pair type nock)
|
|
(van, q_sut, c3__noun, iqp_sut);
|
|
u3_noun tqp_sut = u3t(qp_sut); // (list twig)
|
|
u3_noun p_tiv = u3h(tiv); // type
|
|
u3_noun q_tiv = u3t(tiv); // nock
|
|
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 (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); // (unit twig)
|
|
|
|
if ( u3_nul == u_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 uu_tyr = u3t(u_tyr);
|
|
u3_noun tor = u3qfu_fund(van, sut, way, uu_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_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)
|
|
{
|
|
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_buck(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_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
|
|
|
|
{
|
|
u3_noun ref = u3qfu_felt(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
|
|
|
|
if ( c3n == u3ud(p_heg) ) {
|
|
u3m_p("weird p_heg", p_heg);
|
|
return u3m_bail(c3__fail);
|
|
}
|
|
|
|
ret = u3nt
|
|
(c3y,
|
|
u3nc(u3nc(u3_nul, u3k(p_heg)), u3k(lon)),
|
|
u3nc(c3y, u3qfu_peek(van, ref, way, p_heg)));
|
|
}
|
|
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 ret;
|
|
}
|
|
}
|
|
|
|
static u3_noun
|
|
_find_pony(u3_noun van,
|
|
u3_noun sut,
|
|
u3_noun way,
|
|
u3_noun hyp)
|
|
{
|
|
if ( u3_nul == hyp ) {
|
|
return 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);
|
|
|
|
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 ret;
|
|
}
|
|
}
|
|
else {
|
|
u3_noun p_mor = u3t(mor);
|
|
u3_noun ret = _find_limb(van, sut, way, i_hyp, p_mor);
|
|
|
|
u3z(mor);
|
|
return 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 = 141 + 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 = 141 + 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);
|
|
}
|
|
}
|