/* u2_bx_spot(): declare source position.
*/
void
u2_bx_spot(u2_ray wir_r,
u2_noun hod) // transfer
{
u2_ray bex_r, bas_r;
if ( (0 == (bex_r = u2_wire_bex_r(wir_r))) ||
(0 == (bas_r = u2_wire_bas_r(wir_r))) )
{
u2_rl_lose(wir_r, hod);
return;
}
else {
u2_noun sud = u2_rl_take(bas_r, hod);
u2_rl_lose(wir_r, hod);
if ( u2_none == sud ) {
return;
} else {
u2_rl_lose(wir_r, u2_benx_at(bex_r, zat));
u2_benx_at(bex_r, zat) = sud;
}
}
}
/* u2_sh_look():
**
** Produce hook formula from core, or u2_none.
*/
u2_weak
u2_sh_look(u2_wire wir_r,
u2_noun cor,
const c3_c* tam_c)
{
u2_ray bas_r = u2_wire_bas_r(wir_r);
u2_noun bat = u2_t(cor);
u2_noun fol;
if ( u2_none != (fol = u2_ch_find_mixt(u2_bask_hag_r(bas_r), tam_c, bat)) ) {
return fol;
} else {
u2_noun xip = u2_sh_find(wir_r, cor);
if ( u2_none == xip ) {
return u2_none;
}
else {
u2_axis axe_w = _1;
while ( 1 ) {
fol = u2_sh_cook(wir_r, xip, tam_c);
if ( u2_none == fol ) {
u2_noun pet = u2_t(u2_t(xip));
if ( _0 == pet ) {
return u2_none;
}
else {
u2_axis pax = u2_h(pet);
c3_assert(u2_fly_is_cat(pax));
c3_assert((u2_ax_dep(axe_w) + u2_ax_dep(pax)) <= 30);
axe_w = u2_ax_peg(axe_w, pax);
xip = u2_t(pet);
continue;
}
}
else {
fol = u2_rl_take(bas_r, fol);
if ( _1 != axe_w ) {
/* XX: suboptimal; use comb:lily.
*/
fol = u2_rt(bas_r, u2_nock_flac,
u2_rc(bas_r, u2_nock_frag, axe_w),
fol);
}
fol = u2_ch_save_mixt(bas_r, u2_bask_hag_r(bas_r), tam_c, bat, fol);
return fol;
}
}
}
}
}
/* u2_cm_bury(): store fresh or volatile noun `som` to freezer.
*/
u2_weak
u2_cm_bury(u2_weak som)
{
if ( u2_none == som ) return som;
if ( u2_no == u2_rl_junior(u2_wire_bas_r(u2_Wire), som) ) {
return som;
}
else {
u2_noun pro = u2_rl_take(u2_wire_bas_r(u2_Wire), som);
u2_cz(som);
return pro;
}
}
/* hill_boot(): create the hill engine.
*/
struct hill_state* // produce
hill_boot(void)
{
struct hill_state* hil_h = malloc(sizeof(struct hill_state));
u2_ray wir_r;
u2_boot();
wir_r = u2_wr_init(c3__rock, u2_ray_of(0, 0), u2_ray_of(1, 0));
Hill = hil_h;
Hill->wir_r = wir_r;
Hill->soa = u2_none;
Hill->sob = u2_none;
Hill->soc = u2_none;
/* Mint the shoes. Impeccable memory practices.
*/
{
u2_noun soa = u2_none;
u2_noun sob = u2_none;
u2_noun soc = u2_none;
do {
/* Boot shoe A.
*/
if ( u2_no == u2_rl_leap(wir_r, c3__rock) ) {
c3_assert(0);
}
u2_bx_boot(wir_r);
{
u2_ray kit_r = u2_bl_open(wir_r);
if ( u2_bl_set(wir_r) ) {
u2_bl_done(wir_r, kit_r);
u2_rl_fall(wir_r);
fprintf(stderr, "{no boot, a}\n");
break;
}
else {
soa = _hill_z_boot(wir_r, FileA);
u2_bl_done(wir_r, kit_r);
u2_bx_spot(wir_r, u2_nul);
u2_bx_show(wir_r);
}
}
fprintf(stderr, "{cold boot: %s, with %s jets: %x}\n",
FileA, FileZ, u2_mug(soa));
Hill->soa = u2_rl_take(u2_wire_bas_r(wir_r), soa);
u2_rl_fall(wir_r);
/* Boot shoe B.
*/
if ( u2_no == u2_rl_leap(wir_r, c3__rock) ) {
c3_assert(0);
}
u2_bx_boot(wir_r);
{
u2_ray kit_r = u2_bl_open(wir_r);
if ( u2_bl_set(wir_r) ) {
u2_bl_done(wir_r, kit_r);
u2_rl_fall(wir_r);
fprintf(stderr, "{no boot, b}\n");
break;
}
else {
sob = _hill_a_boot(wir_r, soa, FileB);
u2_bl_done(wir_r, kit_r);
u2_bx_spot(wir_r, u2_nul);
u2_bx_show(wir_r);
}
}
fprintf(stderr, "{warm boot: %s, with %s: %x}\n",
FileB, FileA, u2_mug(sob));
Hill->sob = u2_rl_take(u2_wire_bas_r(wir_r), sob);
u2_rl_fall(wir_r);
/* Boot shoe C.
*/
if ( u2_no == u2_rl_leap(wir_r, c3__rock) ) {
c3_assert(0);
}
u2_bx_boot(wir_r);
{
u2_ray kit_r = u2_bl_open(wir_r);
if ( u2_bl_set(wir_r) ) {
u2_bl_done(wir_r, kit_r);
u2_rl_fall(wir_r);
fprintf(stderr, "{no boot, c}\n");
u2_bx_show(wir_r);
break;
}
else {
soc = _hill_b_eyre(wir_r, soa, sob, FileC);
u2_bl_done(wir_r, kit_r);
u2_bx_spot(wir_r, u2_nul);
u2_bx_show(wir_r);
}
}
fprintf(stderr, "{last boot: %s, with %s: %x}\n",
FileC, FileB, u2_mug(soc));
Hill->soc = u2_rl_take(u2_wire_bas_r(wir_r), soc);
u2_rl_fall(wir_r);
/* Testing basics of soc.
*/
printf("testing eyre...\n");
{
u2_noun foo = u2_rl_string(wir_r, "|!(a=@ (dec a))");
u2_noun bar = u2_nk_nock(wir_r, foo, Hill->soc);
if ( u2_none == bar ) {
printf("no bar\n");
}
else {
u2_noun moo = u2_nk_nock(wir_r, _0, bar);
if ( u2_none == moo ) {
printf("no moo\n");
} else {
u2_noun zor = u2_nk_mung(wir_r, moo, 13);
u2_err(wir_r, "zor", zor);
}
}
}
printf("tested.\n");
#if 1
{
u2_noun soa = Hill->soa;
u2_noun sob = Hill->sob;
u2_noun dat = Hill->soc;
u2_noun pak, bag;
fprintf(stderr, "jam test: jam\n");
u2_bx_boot(wir_r);
pak = _hill_b_jam(wir_r, soa, sob, dat);
u2_bx_show(wir_r);
fprintf(stderr, "jam test: %d bits\n", u2_met(0, pak));
u2_ux_write(wir_r, pak, "watt/264", "noun");
fprintf(stderr, "jam test: cue\n");
u2_bx_boot(wir_r);
bag = _hill_b_cue(wir_r, soa, sob, pak);
u2_bx_show(wir_r);
if ( u2_yes == u2_sing(bag, dat) ) {
fprintf(stderr, "jam test: match\n");
} else {
fprintf(stderr, "jam test: NO MATCH\n");
}
}
#endif
return Hill;
} while (0);
free(Hill);
return 0;
}
}
/* u2_lo_soft(): standard soft wrapper. unifies unix and nock errors.
**
** Produces [%$ result] or [%error (list tank)].
*/
u2_noun
u2_lo_soft(u2_reck* rec_u, c3_w sec_w, u2_funk fun_f, u2_noun arg)
{
u2_noun hoe, pro, rop;
u2_rl_leap(u2_Wire, c3__rock);
// system level setjmp, for signals
//
c3_assert(u2_nul == u2_wire_tax(u2_Wire));
c3_assert(0 == u2_wire_kit_r(u2_Wire));
// stop signals
//
u2_unix_ef_hold();
_lo_signal_deep(sec_w);
if ( 0 != sigsetjmp(Signal_buf, 1) ) {
u2_noun tax, pre, mok;
// return to blank state
//
_lo_signal_done();
// acquire trace and reset memory
//
tax = u2_wire_tax(u2_Wire);
u2_rl_fall(u2_Wire);
u2z(arg);
tax = u2_rl_take(u2_Wire, tax);
u2_wire_tax(u2_Wire) = u2_nul;
mok = u2_dc("mook", 2, tax);
// other ugly disgusting cleanups
{
u2_wire_kit_r(u2_Wire) = 0;
u2_hevx_be(u2_wire_hev_r(u2_Wire), u2_pryr, god) = 0;
u2_hevx_at(u2_wire_hev_r(u2_Wire), lad) = 0;
}
switch ( Sigcause ) {
default: pre = c3__wyrd; break;
case sig_none: pre = c3__none; break;
case sig_overflow: pre = c3__over; break;
case sig_interrupt: pre = c3__intr; break;
case sig_terminate: pre = c3__term; break;
case sig_memory: pre = c3__full; break;
case sig_assert: pre = c3__lame; break;
case sig_timer: fprintf(stderr, "timer!!\r\n"); pre = c3__slow; break;
}
rop = u2nc(pre, u2k(u2t(mok)));
u2z(mok);
fprintf(stderr, "error computed\r\n");
return rop;
}
if ( 0 != (hoe = u2_cm_trap()) ) {
u2_noun mok;
u2_rl_fall(u2_Wire);
hoe = u2_rl_take(u2_Wire, hoe);
u2_rl_flog(u2_Wire);
mok = u2_dc("mook", 2, u2k(u2t(hoe)));
rop = u2nc(u2k(u2h(hoe)), u2k(u2t(mok)));
u2z(arg);
u2z(hoe);
u2z(mok);
}
else {
u2_noun pro = fun_f(rec_u, arg);
_lo_signal_done();
u2_cm_done();
u2_rl_fall(u2_Wire);
pro = u2_rl_take(u2_Wire, pro);
u2_rl_flog(u2_Wire);
u2z(arg);
rop = u2nc(u2_blip, pro);
}
pro = rop;
return pro;
}
/* _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;
}
#if 0
case c3__leap: {
u2z(hod);
fprintf(stderr, "leaping!!\r\n");
{
u2_noun hoe, tax;
tax = u2_wire_tax(u2_Wire);
u2_wire_tax(u2_Wire) = u2_nul;
u2_rl_leap(u2_Wire, c3__rock);
if ( 0 != (hoe = u2_cm_trap()) ) {
u2_noun cod;
u2_rl_fall(u2_Wire);
hoe = u2_rl_take(u2_Wire, hoe);
u2_rl_flog(u2_Wire);
u2_wire_tax(u2_Wire) = u2_ckb_weld(u2k(u2t(hoe)), tax);
cod = u2k(u2h(hoe));
fprintf(stderr, "error in leap: %s\r\n", u2_cr_string(cod));
return u2_cm_bail(cod);
}
else {
u2_noun pro = pon ? _nock_mool(bus, nex, pon) : _nock_cool(bus, nex);
u2_cm_done();
u2_rl_fall(u2_Wire);
pro = u2_rl_take(u2_Wire, pro);
u2_rl_flog(u2_Wire);
u2_wire_tax(u2_Wire) = tax;
fprintf(stderr, "leapt!!\r\n");
u2z(bus); u2z(nex); return pro;
}
}
}
#endif
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;
}
}
}
}
/* u2_sh_mine(): substitute active, annotated battery.
*/
u2_weak // transfer
u2_sh_mine(u2_ray wir_r,
u2_clue clu, // retain
u2_noun cor) // transfer
{
u2_ray bas_r;
u2_noun pay, bat;
u2_noun sil, bud, nut;
u2_chip xip;
if ( 0 == (bas_r = u2_wire_bas_r(wir_r)) ) {
return cor;
}
else if ( (u2_none == u2_as_cell(cor, &pay, &bat)) ||
(u2_no == u2_dust(bat)) )
{
return cor;
}
else if ( u2_none != (xip = u2_ch_find(u2_bask_hag_r(bas_r), bat)) ) {
u2_noun cyr;
if ( u2_none == (cyr = u2_rc(wir_r, u2_rx(wir_r, pay), u2_h(u2_t(xip)))) ) {
return cor;
}
else {
u2_rl_lose(wir_r, cor);
return cyr;
}
}
else if ( (u2_no == u2_as_trel(clu, &bud, &sil, &nut)) ||
(u2_no == _sh_good_bud(bud)) ||
(u2_no == _sh_good_sil(sil)) ||
(u2_no == _sh_good_nut(nut)) )
{
return cor;
}
else {
u2_noun dac, bot, pet, xop, cyr;
dac = bot = pet = xop = cyr = u2_none;
while ( 1 ) {
/* disc: dac
*/
{
if ( u2_none == (dac = u2_rl_take(bas_r, u2_t(clu))) ) {
break;
}
}
/* battery: bot
*/
{
if ( u2_no == u2_rl_junior(bas_r, bat) ) {
/* We need the jet battery to be in the shed, so that we
** have a fast algorithm for distinguishing jet batteries
** by ray address.
*/
bot = u2_rc(bas_r, u2_h(bat), u2_t(bat));
#if 0
printf("battery: in basket: %d.%x\n",
u2_ray_a(u2_dog_a(bot)),
u2_ray_b(u2_dog_a(bot)));
#endif
}
else {
bot = u2_rl_take(bas_r, bat);
#if 0
printf("battery: in shed! %d.%x\n",
u2_ray_a(u2_dog_a(bot)),
u2_ray_b(u2_dog_a(bot)));
#endif
}
if ( u2_none == bot ) {
break;
}
}
/* trunk: pet
*/
{
if ( _0 == bud ) {
pet = u2_nul;
}
else {
u2_atom p_bud = u2_t(bud);
u2_noun car = u2_frag(p_bud, cor);
if ( (u2_none == car) || (u2_no == u2_dust(car)) ) {
break;
} else {
u2_noun but = u2_t(car);
u2_noun xup, axe;
if ( u2_none == (xup = u2_ch_find(u2_bask_hag_r(bas_r), but)) ) {
printf("no base!\n");
u2_err(wir_r, "clu", clu);
break;
}
else u2_rl_gain(bas_r, xup);
if ( u2_none == (axe = u2_rl_take(bas_r, p_bud)) ) {
u2_rl_lose(bas_r, xup);
}
if ( u2_none == (pet = u2_rc(bas_r, p_bud, xup)) ) {
u2_rl_lose(bas_r, axe);
u2_rl_lose(bas_r, xup);
break;
}
}
}
}
/* xop: new chip.
*/
{
if ( u2_none == (xop = u2_rt(bas_r, dac, bot, pet)) ) {
break;
}
if ( u2_none == (u2_ch_save(bas_r, u2_bask_hag_r(bas_r), bot, xop)) ) {
break;
}
u2_rl_lose(bas_r, xop);
}
/* cyr: new core.
*/
{
u2_noun cyr;
if ( u2_none == (cyr = u2_rc(wir_r, u2_rx(wir_r, pay), bot)) ) {
break;
}
else {
u2_rl_lose(wir_r, cor);
return cyr;
}
}
}
u2_ho_warn_here();
#if 0
// XXX: an unknown bug is triggered here;
// but basket needs a minor rewrite.
//
if ( dac != u2_none ) u2_rl_lose(bas_r, dac);
if ( bot != u2_none ) u2_rl_lose(bas_r, bot);
if ( pet != u2_none ) u2_rl_lose(bas_r, pet);
if ( xop != u2_none ) u2_rl_lose(bas_r, xop);
#endif
return cor;
}
}
