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urbit/f/nock.c
2014-05-30 13:57:49 -07:00

1089 lines
24 KiB
C

/* f/nock.c
**
** This file is in the public domain.
*/
#include "all.h"
/** Types.
**/
typedef u2_atom u2_kode; /* 0=good, 1=need, 2=exit */
/** Forward declarations.
**/
static u2_noun _nock_cool(u2_noun, u2_noun);
static u2_noun _nock_mool(u2_noun, u2_noun, u2_kode*);
static u2_noun _nock_molg(u2_noun, u2_noun, u2_kode*);
#ifdef GHETTO
extern c3_w nox_w;
#endif
/* _nock_pray_mool(): load from namespace, in virtual mode.
*/
static u2_noun
_nock_pray_mool(u2_noun gof, u2_kode *pon) // transfer
{
u2_noun lad = u2_hevn_at(lad);
c3_assert(u2_yes == u2du(lad));
c3_assert(0 == *pon);
{
u2_noun i_lad = u2fh(lad);
u2_noun t_lad = u2ft(lad);
u2_noun pro;
u2_noun hoe;
u2_hevn_at(lad) = t_lad;
if ( 0 != (hoe = u2_cm_trap()) ) {
u2_cm_done();
return u2_cm_bail(u2k(u2h(hoe)));
}
else {
if ( u2_nul == t_lad ) {
pro = u2_cn_mung(u2k(i_lad), u2k(gof));
} else {
pro = _nock_molg(u2k(i_lad), u2k(gof), pon);
}
u2_cm_done();
c3_assert(t_lad == u2_hevn_at(lad));
u2_hevn_at(lad) = lad;
if ( 0 != *pon ) {
u2z(gof);
return pro;
} else {
if ( u2_no == u2du(pro) ) {
*pon = 1;
u2z(pro);
return u2nc(gof, u2_nul);
}
else {
u2_noun res = u2k(u2t(pro));
u2z(gof);
u2z(pro);
return res;
}
}
}
}
}
/* _nock_pray_cool(): load from namespace, in kernel mode.
*/
static u2_noun
_nock_pray_cool(u2_noun gof) // transfer
{
// This should just exit - but for various reasons, all historical,
// we could be actually minking here. Therefore we have to respect
// the mink if it exists.
//
u2_noun lad = u2_hevn_at(lad);
if ( u2_nul == lad ) {
return u2_cm_bowl(u2nc(c3__need, u2nc(gof, u2_nul)));
}
else {
u2_kode pon = 0;
u2_noun mog = _nock_pray_mool(gof, &pon);
if ( 0 == pon ) {
return mog;
}
else if ( 1 == pon ) {
return u2_cm_bowl(u2nc(c3__need, mog));
}
else if ( 2 == pon ) {
return u2_cm_bowl(u2nc(c3__exit, mog));
}
else { c3_assert(0); return 0; }
}
}
/* _nock_hint(): hint with code, data, subject, formula. nock/mink.
*/
static u2_noun // produce
_nock_hint(u2_noun zep, // transfer
u2_noun hod, // transfer
u2_noun bus, // transfer
u2_noun nex, // transfer
u2_bean* pon)
{
u2_noun pro;
switch ( zep ) {
default: u2z(zep); u2z(hod);
return pon ? _nock_mool(bus, nex, pon) : _nock_cool(bus, nex);
case c3__lose:
case c3__yelp:
case c3__bean:
case c3__mean:
case c3__spot: {
u2_noun tax = u2_wire_tax(u2_Wire);
u2_noun tac = u2nc(zep, hod);
#if 0
if ( c3__spot == zep ) {
printf("spot %d/%d : %d/%d\n",
u2h(u2h(u2t(hod))),
u2t(u2h(u2t(hod))),
u2h(u2t(u2t(hod))),
u2t(u2t(u2t(hod))));
}
#endif
u2_wire_tax(u2_Wire) = u2nc(tac, tax);
{
pro = pon ? _nock_mool(bus, nex, pon) : _nock_cool(bus, nex);
}
tax = u2k(tax);
u2z(u2_wire_tax(u2_Wire));
u2_wire_tax(u2_Wire) = tax;
return pro;
}
case c3__slog: {
u2_tx_sys_bit(u2_Wire, u2_yes);
u2_tx_slog(u2_Wire, hod);
u2_tx_sys_bit(u2_Wire, u2_no);
u2z(hod);
return pon ? _nock_mool(bus, nex, pon) : _nock_cool(bus, nex);
}
case c3__mine: {
pro = pon ? _nock_mool(bus, nex, pon) : _nock_cool(bus, nex);
if ( !pon || (u2_no != *pon) ) {
u2_tx_sys_bit(u2_Wire, u2_yes);
pro = u2_ds_mine(u2_Wire, hod, pro);
u2_tx_sys_bit(u2_Wire, u2_no);
}
u2z(hod);
return pro;
}
case c3__germ: {
pro = pon ? _nock_mool(bus, nex, pon) : _nock_cool(bus, nex);
if ( u2_yes == u2_sing(pro, hod) ) {
u2z(pro); return hod;
} else {
u2z(hod); return pro;
}
}
case c3__fast: {
pro = pon ? _nock_mool(bus, nex, pon) : _nock_cool(bus, nex);
if ( !pon || (u2_no != *pon) ) {
u2_noun p_hod, q_hod, r_hod;
/* XX: translate hod to old clue form.
*/
if ( u2_no == u2_as_trel(hod, &p_hod, &q_hod, &r_hod) ) {
u2z(hod);
return pro;
}
else {
u2_noun xod;
if ( u2_yes == u2_dust(q_hod) &&
(_1 == u2_h(q_hod)) &&
(_0 == u2_t(q_hod)) ) {
q_hod = 0;
}
xod = u2_rt(u2_Wire, u2k(q_hod),
u2k(p_hod),
u2k(r_hod));
u2z(hod);
hod = xod;
}
u2_tx_sys_bit(u2_Wire, u2_yes);
pro = u2_ds_mine(u2_Wire, hod, pro);
u2_tx_sys_bit(u2_Wire, u2_no);
}
u2z(hod);
return pro;
}
case c3__memo: {
u2z(hod);
{
pro = u2_rl_find_cell(u2_Wire, 0, bus, nex);
if ( pro != u2_none ) {
u2_tx_did_fin(u2_Wire, 1);
u2z(bus);
u2z(nex);
return pro;
} else {
u2_noun sav;
pro = pon ? _nock_mool(u2k(bus), u2k(nex), pon)
: _nock_cool(u2k(bus), u2k(nex));
if ( !pon || (u2_no != *pon) ) {
u2_tx_sys_bit(u2_Wire, u2_yes);
sav = u2_rl_save_cell(u2_Wire, 0, bus, nex, pro);
u2_tx_sys_bit(u2_Wire, u2_no);
u2_tx_did_pod(u2_Wire, 1);
u2_tx_did_fin(u2_Wire, 1);
}
else sav = pro;
u2z(bus); u2z(nex);
return sav;
}
}
}
case c3__ping: {
u2_tx_sys_bit(u2_Wire, u2_yes);
u2_tx_did_act(u2_Wire, hod);
u2_tx_sys_bit(u2_Wire, u2_no);
u2z(hod);
return pon ? _nock_mool(bus, nex, pon) : _nock_cool(bus, nex);
}
case c3__live: {
u2_bean qox;
u2_tx_sys_bit(u2_Wire, u2_yes);
qox = u2_tx_task_in(u2_Wire, hod);
u2_tx_sys_bit(u2_Wire, u2_no);
u2z(hod);
if ( u2_no == qox ) {
return pon ? _nock_mool(bus, nex, pon) : _nock_cool(bus, nex);
} else {
pro = pon ? _nock_mool(bus, nex, pon) : _nock_cool(bus, nex);
u2_tx_task_out(u2_Wire);
return pro;
}
}
case c3__sole: {
u2z(hod);
{
pro = pon ? _nock_mool(bus, nex, pon) : _nock_cool(bus, nex);
if ( u2_none == pro ) {
return u2_none;
}
else if ( !pon || (u2_no != *pon) ) {
u2_noun nuu;
u2_tx_sys_bit(u2_Wire, u2_yes);
nuu = u2_rl_uniq(u2_Wire, pro);
u2_tx_sys_bit(u2_Wire, u2_no);
u2_tx_did_fin(u2_Wire, 1);
if ( nuu == pro ) {
u2_tx_did_pod(u2_Wire, 1);
}
}
return pro;
}
}
}
}
/* _nock_cool(): nock, transferring arguments.
*/
static u2_noun
_nock_cool(u2_noun bus,
u2_noun fol)
{
u2_noun hib, gal;
while ( 1 ) {
u2_tx_did_hop(u2_Wire, 1);
#ifdef GHETTO
nox_w++;
#endif
if ( u2_no == u2du(fol) ) {
return u2_cm_bail(c3__exit);
}
else {
hib = u2fh(fol);
gal = u2ft(fol);
}
if ( u2_yes == u2du(hib) ) {
u2_noun poz, riv;
poz = _nock_cool(u2k(bus), u2k(hib));
riv = _nock_cool(bus, u2k(gal));
u2z(fol);
return u2_cn_cell(poz, riv);
}
else switch ( hib ) {
default: return u2_cm_bail(c3__exit);
case 0: {
if ( u2_no == u2_cr_ud(gal) ) {
return u2_cm_bail(c3__exit);
}
else {
u2_noun pro = u2k(u2at(gal, bus));
u2z(bus); u2z(fol);
return pro;
}
}
case 1: {
u2_noun pro = u2k(gal);
u2z(bus); u2z(fol);
return pro;
}
c3_assert(!"not reached");
case 2: {
if ( u2_no == u2du(gal) ) {
return u2_cm_bail(c3__exit);
}
else {
u2_noun nex = _nock_cool(u2k(bus), u2k(u2ft(gal)));
u2_noun seb = _nock_cool(bus, u2k(u2fh(gal)));
u2z(fol);
bus = seb;
fol = nex;
continue;
}
}
c3_assert(!"not reached");
case 3: {
u2_noun gof, pro;
gof = _nock_cool(bus, u2k(gal));
pro = u2du(gof);
u2z(gof); u2z(fol);
return pro;
}
c3_assert(!"not reached");
case 4: {
u2_noun gof, pro;
gof = _nock_cool(bus, u2k(gal));
if ( (u2_none == (pro = u2_rl_vint(u2_Wire, gof))) ) {
return u2_cm_bail(c3__exit);
}
u2z(gof); u2z(fol);
return pro;
}
c3_assert(!"not reached");
case 5: {
if ( u2_no == u2du(gal) ) {
return u2_cm_bail(c3__exit);
}
else {
u2_noun wim = _nock_cool(bus, u2k(gal));
u2_noun pro;
if ( u2_no == u2du(wim) ) {
return u2_cm_bail(c3__exit);
}
else pro = u2_cr_sing(u2h(wim), u2t(wim));
u2z(wim); u2z(fol);
return pro;
}
}
c3_assert(!"not reached");
case 6: {
u2_noun b_gal, c_gal, d_gal;
u2_cx_trel(gal, &b_gal, &c_gal, &d_gal);
{
u2_noun tys = _nock_cool(u2k(bus), u2k(b_gal));
u2_noun nex;
if ( 0 == tys ) {
nex = u2k(c_gal);
} else if ( 1 == tys ) {
nex = u2k(d_gal);
} else return u2_cm_bail(c3__exit);
u2z(fol);
fol = nex;
continue;
}
}
c3_assert(!"not reached");
case 7: {
u2_noun b_gal, c_gal;
u2_cx_cell(gal, &b_gal, &c_gal);
{
u2_noun bod = _nock_cool(bus, u2k(b_gal));
u2_noun nex = u2k(c_gal);
u2z(fol);
bus = bod;
fol = nex;
continue;
}
}
c3_assert(!"not reached");
case 8: {
u2_noun b_gal, c_gal;
// c3_assert(!"got 8 (nock)!");
u2_cx_cell(gal, &b_gal, &c_gal);
{
u2_noun bod = u2nc(_nock_cool(u2k(bus), u2k(b_gal)), bus);
u2_noun nex = u2k(c_gal);
u2z(fol);
bus = bod;
fol = nex;
continue;
}
}
c3_assert(!"not reached");
case 9: {
u2_noun b_gal, c_gal;
u2_cx_cell(gal, &b_gal, &c_gal);
if ( u2_no == u2ud(b_gal) ) {
return u2_cm_bail(c3__exit);
}
else {
u2_noun seb = _nock_cool(bus, u2k(c_gal));
u2_weak xip;
u2_tx_sys_bit(u2_Wire, u2_yes);
xip = u2_ds_find(u2_Wire, seb);
if ( u2_none != xip ) {
u2_noun pro = u2_ho_kick(u2_Wire, xip, seb, b_gal);
u2_tx_sys_bit(u2_Wire, u2_no);
if ( u2_none == pro ) {
return u2_cm_bail(c3__exit);
}
else {
u2z(seb); u2z(fol);
return pro;
}
}
else {
u2_tx_sys_bit(u2_Wire, u2_no);
{
u2_noun nex = u2_ct(u2at(b_gal, seb));
u2z(fol);
bus = seb;
fol = nex;
continue;
}
}
}
}
c3_assert(!"not reached");
case 10: {
u2_noun p_gal, q_gal;
u2_cx_cell(gal, &p_gal, &q_gal);
{
u2_noun zep, hod, nex, pro;
if ( u2_yes == u2du(p_gal) ) {
u2_noun b_gal = u2fh(p_gal);
u2_noun c_gal = u2ft(p_gal);
u2_noun d_gal = q_gal;
zep = u2k(b_gal);
hod = _nock_cool(u2k(bus), u2_ct(c_gal));
nex = u2_ct(d_gal);
}
else {
u2_noun b_gal = p_gal;
u2_noun c_gal = q_gal;
zep = u2k(b_gal);
hod = u2_nul;
nex = u2_ct(c_gal);
}
u2_cz(fol);
pro = _nock_hint(zep, hod, bus, nex, 0);
return pro;
}
}
case 11: {
u2_noun gof, pro;
gof = _nock_cool(bus, u2k(gal));
pro = _nock_pray_cool(gof);
u2z(fol);
return pro;
}
c3_assert(!"not reached");
}
}
}
/* nock_mool(): fast internal mink interface. Arguments transferred.
*/
u2_noun
_nock_mool(u2_noun bus,
u2_noun fol,
u2_kode* pon)
{
u2_noun hib, gal;
c3_assert(u2_yes == *pon);
while ( 1 ) {
u2_tx_did_hop(u2_Wire, 1);
#ifdef GHETTO
nox_w++;
#endif
if ( u2_no == u2du(fol) ) {
*pon = 2;
u2z(bus); u2z(fol);
return u2_cm_wail();
}
else {
hib = u2fh(fol);
gal = u2ft(fol);
}
if ( u2_yes == u2du(hib) ) {
u2_noun poz, riv;
u2_kode h_pon = 0, t_pon = 0;
poz = _nock_mool(u2k(bus), u2k(hib), &h_pon);
if ( 2 == h_pon ) { *pon = 2; u2z(bus); u2z(fol); return poz; }
riv = _nock_mool(bus, u2k(gal), &t_pon);
u2z(fol);
if ( 2 == t_pon ) { *pon = 2; u2z(poz); return riv; }
if ( (1 == h_pon) || (1 == t_pon) ) {
u2_noun lal;
*pon = 1;
if ( 0 == h_pon ) {
u2z(poz); lal = riv;
} else if ( 0 == t_pon ) {
u2z(riv); lal = poz;
} else {
lal = u2_ckb_weld(poz, riv);
}
return lal;
}
return u2_cn_cell(poz, riv);
}
else switch ( hib ) {
default: *pon = 2; u2z(bus); u2z(fol); return u2_cm_wail();
case 0: {
if ( u2_no == u2_cr_ud(gal) ) {
*pon = 2; u2z(bus); u2z(fol); return u2_cm_wail();
}
else {
u2_weak pro = u2_cr_at(gal, bus);
if ( u2_none == pro ) {
*pon = 2; u2z(bus); u2z(fol); return u2_cm_wail();
}
else {
pro = u2k(pro);
u2z(bus); u2z(fol);
return pro;
}
}
}
case 1: {
u2_noun pro = u2k(gal);
u2z(bus); u2z(fol);
return pro;
}
c3_assert(!"not reached");
case 2: {
if ( (u2_no == u2du(gal)) || (u2_no == u2du(u2fh(gal))) ) {
*pon = 2; u2z(bus); u2z(fol); return u2_cm_wail();
}
else {
u2_noun neb;
neb = _nock_mool(bus, u2k(gal), pon);
u2z(fol);
if ( 0 != *pon ) { return neb; }
bus = u2k(u2fh(neb));
fol = u2k(u2ft(neb));
u2z(neb);
continue;
}
}
c3_assert(!"not reached");
case 3: {
u2_noun gof, pro;
gof = _nock_mool(bus, u2k(gal), pon);
u2z(fol);
if ( 0 != *pon ) { return gof; }
pro = u2du(gof);
u2z(gof);
return pro;
}
c3_assert(!"not reached");
case 4: {
u2_noun gof, pro;
gof = _nock_mool(bus, u2k(gal), pon);
u2z(fol);
if ( 0 != *pon ) { return gof; }
if ( u2_none == (pro = u2_rl_vint(u2_Wire, gof)) ) {
*pon = 2; u2z(gof); return u2_cm_wail();
}
u2z(gof);
return pro;
}
c3_assert(!"not reached");
case 5: {
u2_noun gof, pro;
gof = _nock_mool(bus, u2k(gal), pon);
u2z(fol);
if ( 0 != *pon ) { return gof; }
if ( u2_no == u2du(gof) ) {
*pon = 2; u2z(gof); return u2_cm_wail();
}
pro = u2_cr_sing(u2h(gof), u2t(gof));
u2z(gof);
return pro;
}
c3_assert(!"not reached");
case 6: {
u2_noun b_gal, cd_gal, c_gal, d_gal;
if ( u2_no == u2_cr_cell(gal, &b_gal, &cd_gal) ) {
*pon = 2; u2z(bus); u2z(fol); return u2_cm_wail();
}
else {
u2_noun tys, nex;
tys = _nock_mool(u2k(bus), u2k(b_gal), pon);
if ( 0 != *pon ) { u2z(bus); u2z(fol); return tys; }
if ( u2_no == u2_cr_cell(cd_gal, &c_gal, &d_gal) ) {
*pon = 2; u2z(bus); u2z(fol); return u2_cm_wail();
}
if ( 0 == tys ) {
nex = u2k(c_gal);
} else if ( 1 == tys ) {
nex = u2k(d_gal);
} else {
*pon = 2; u2z(bus); u2z(fol); return u2_cm_wail();
}
u2z(fol);
fol = nex;
continue;
}
}
c3_assert(!"not reached");
case 7: {
u2_noun b_gal, c_gal;
if ( u2_no == u2_cr_cell(gal, &b_gal, &c_gal) ) {
*pon = 2; u2z(bus); u2z(fol); return u2_cm_wail();
}
else {
u2_noun bod, nex;
bod = _nock_mool(bus, u2k(b_gal), pon);
if ( 0 != *pon ) { u2z(fol); return bod; }
nex = u2k(c_gal);
u2z(fol);
bus = bod;
fol = nex;
continue;
}
}
c3_assert(!"not reached");
case 8: {
u2_noun b_gal, c_gal;
// c3_assert(!"got 8 (mink)!");
if ( u2_no == u2_cr_cell(gal, &b_gal, &c_gal) ) {
*pon = 2; u2z(bus); u2z(fol); return u2_cm_wail();
}
else {
u2_noun wib, bod, nex;
wib = _nock_mool(u2k(bus), u2k(b_gal), pon);
if ( 0 != *pon ) { u2z(bus); u2z(fol); return wib; }
bod = u2nc(wib, bus);
nex = u2k(c_gal);
u2z(fol);
bus = bod;
fol = nex;
continue;
}
}
c3_assert(!"not reached");
case 9: {
u2_noun b_gal, c_gal;
if ( (u2_no == u2_cr_cell(gal, &b_gal, &c_gal)) ||
(u2_no == u2ud(b_gal)) )
{
*pon = 2; u2z(bus); u2z(fol); return u2_cm_wail();
}
else {
u2_noun seb;
u2_weak xip;
seb = _nock_mool(bus, u2k(c_gal), pon);
u2z(fol);
if ( 0 != *pon ) { return seb; }
u2_tx_sys_bit(u2_Wire, u2_yes);
xip = u2_ds_find(u2_Wire, seb);
u2_tx_sys_bit(u2_Wire, u2_no);
if ( u2_none != xip ) {
u2_noun pro;
u2_tx_sys_bit(u2_Wire, u2_yes);
pro = u2_ho_kicq(u2_Wire, xip, seb, b_gal, pon);
u2_tx_sys_bit(u2_Wire, u2_no);
u2z(seb);
if ( u2_none == pro ) {
*pon = 2; return u2_cm_wail();
}
else return pro;
}
else {
u2_noun nex = u2_cr_at(b_gal, seb);
if ( u2_none == nex ) {
*pon = 2; u2z(seb); return u2_cm_wail();
}
bus = seb;
fol = u2k(nex);
continue;
}
}
}
c3_assert(!"not reached");
case 10: {
u2_noun p_gal, q_gal;
if ( u2_no == u2_cr_cell(gal, &p_gal, &q_gal) ) {
*pon = 2; u2z(bus); u2z(fol); return u2_cm_wail();
}
else {
u2_noun zep, hod, nex;
if ( u2_yes == u2du(p_gal) ) {
u2_noun b_gal = u2fh(p_gal);
u2_noun c_gal = u2ft(p_gal);
u2_noun d_gal = q_gal;
hod = _nock_mool(u2k(bus), u2_ct(c_gal), pon);
if ( 0 != *pon ) { u2z(fol); return hod; }
zep = u2k(b_gal);
nex = u2k(d_gal);
u2z(fol);
}
else {
u2_noun b_gal = p_gal;
u2_noun c_gal = q_gal;
zep = u2k(b_gal);
hod = u2_nul;
nex = u2k(c_gal);
u2z(fol);
}
return _nock_hint(zep, hod, bus, nex, pon);
}
}
case 11: {
u2_noun gof;
gof = _nock_mool(bus, u2k(gal), pon);
u2z(fol);
if ( 0 != *pon ) { return gof; }
return _nock_pray_mool(gof, pon);
}
c3_assert(!"not reached");
}
}
}
/* nock_molg(): function call (mung) with kode. Arguments transferred.
*/
static u2_noun
_nock_molg(u2_noun gat,
u2_noun sam,
u2_kode* pon)
{
if ( (u2_no == u2du(gat)) || (u2_no == u2du(u2t(gat))) ) {
*pon = 2; return u2_cm_wail();
}
else {
u2_noun cor, fol;
cor = u2nc(u2k(u2h(gat)), u2nc(sam, u2k(u2t(u2t(gat)))));
fol = u2k(u2h(gat));
u2z(gat);
// XX try to chip with u2_ds_find? but a rare case...
return _nock_mool(cor, fol, pon);
}
}
/* _nock_moog(): u2_cn_mink() with fly set.
*/
static u2_noun
_nock_moog(u2_noun bus,
u2_noun fol)
{
u2_noun res;
u2_kode pon;
pon = 0;
{
u2_noun hoe;
if ( 0 != (hoe = u2_cm_trap()) ) {
if ( u2h(hoe) == c3__exit ) {
res = u2nc(2, u2k(u2t(hoe)));
c3_assert(0);
u2z(hoe);
}
else if ( u2h(hoe) == c3__need ) {
res = u2nc(1, u2k(u2t(hoe)));
u2z(hoe);
}
else {
u2_noun wac = u2k(u2h(hoe));
u2z(hoe);
return u2_cm_bail(wac);
}
}
else {
u2_noun pro = _nock_mool(bus, fol, &pon);
u2_cm_done();
res = u2nc(pon, pro);
}
}
return res;
}
/* u2_cn_nock(): external nock interface.
*/
u2_noun
u2_cn_nock(u2_noun bus,
u2_noun fol)
{
u2_noun pro;
u2_bean bit;
bit = u2_tx_sys_bit(u2_Wire, u2_no);
// c3_assert(bit == u2_yes);
bit = u2_tx_glu_bit(u2_Wire, u2_yes);
pro = _nock_cool(bus, fol);
u2_tx_sys_bit(u2_Wire, u2_yes);
u2_tx_glu_bit(u2_Wire, bit);
return pro;
}
/* u2_cn_mink(): logical virtual nock.
*/
u2_noun
u2_cn_mink(u2_noun bus,
u2_noun fol,
u2_noun fly)
{
u2_noun res;
u2_bean bit;
bit = u2_tx_sys_bit(u2_Wire, u2_no);
c3_assert(bit == u2_yes);
bit = u2_tx_glu_bit(u2_Wire, u2_yes);
{
u2_noun lad;
lad = u2_hevn_at(lad);
u2_hevn_at(lad) = u2nc(fly, u2k(lad));
{
res = _nock_moog(bus, fol);
}
// c3_assert(lad == u2ft(u2_hevn_at(lad)));
u2z(u2_hevn_at(lad));
u2_hevn_at(lad) = lad;
}
u2_tx_sys_bit(u2_Wire, u2_yes);
u2_tx_glu_bit(u2_Wire, bit);
return res;
}
/* u2_cn_moch(): blind mink with empty fly.
*/
u2_noun
u2_cn_moch(u2_noun bus,
u2_noun fol)
{
u2_noun fly = u2nc(u2nc(0, 0), u2nc(1, 0));
return u2_cn_mink(bus, fol, fly);
}
/*** Deprecated:
***/
/* u2_nk_soft():
**
** Compute `(nock bus fol)`, interpreter first.
*/
u2_noun // transfer
u2_nk_soft(u2_wire wir_r,
u2_noun bus, // transfer
u2_noun fol) // retain
{
return u2_cn_nock(bus, u2_ct(fol));
}
/* u2_nk_nock():
**
** Compute `(nock bus fol)`.
*/
u2_weak // transfer
u2_nk_nock(u2_wire wir_r,
u2_weak bus, // transfer
u2_weak fol) // retain
{
if ( u2_none == fol ) {
u2_rl_lose(wir_r, bus);
return u2_none;
}
else if ( u2_none == bus ) {
return u2_none;
}
else {
return u2_nk_soft(wir_r, bus, fol);
}
}
/* u2_nk_kick():
**
** Fire `gat` without changing the sample.
*/
u2_weak // transfer
u2_nk_kick(u2_wire wir_r,
u2_weak gat) // retain
{
u2_noun xip;
if ( u2_none != (xip = u2_ds_find(wir_r, gat)) ) {
u2_noun pro = u2_ho_kick(wir_r, xip, gat, u2_cv_noc);
return pro;
}
else {
return u2_nk_nock
(wir_r,
u2_rx(wir_r, gat),
u2_sh(gat));
}
}
/* u2_nk_mong():
**
** Call with new convention.
*/
u2_noun // transfer
u2_nk_mong(u2_wire wir_r,
u2_noun gat, // retain
u2_noun sam) // transfer
{
u2_noun cor, xip;
cor = u2_rc
(wir_r,
u2_rx(wir_r, u2_sh(gat)),
u2_rc(wir_r, sam, u2_rx(wir_r, u2_st(u2_st(gat)))));
if ( u2_none != (xip = u2_ds_find(wir_r, cor)) ) {
u2_noun pro = u2_ho_kick(wir_r, xip, cor, u2_cv_noc);
u2_rz(wir_r, cor);
return pro;
}
else return u2_nk_nock(wir_r, cor, u2_sh(gat));
}