/* functions
*/
u2_weak // transfer
j2_mbc(Pt3, cat)(u2_wire wir_r,
u2_atom a, // retain
u2_atom b, // retain
u2_atom c) // retain
{
if ( !u2_fly_is_cat(a) || (a >= 32) ) {
return u2_bl_bail(wir_r, c3__fail);
}
else {
c3_g a_g = a;
c3_w lew_w = u2_met(a_g, b);
c3_w ler_w = u2_met(a_g, c);
c3_w all_w = (lew_w + ler_w);
if ( 0 == all_w ) {
return 0;
} else {
u2_ray sal_r = u2_rl_slaq(wir_r, a_g, all_w);
if ( 0 == sal_r ) {
return u2_bl_bail(wir_r, c3__fail);
}
else {
u2_chop(a_g, 0, lew_w, 0, sal_r, b);
u2_chop(a_g, 0, ler_w, lew_w, sal_r, c);
}
// return u2_rl_moot(wir_r, sal_r);
return u2_rl_malt(wir_r, sal_r);
}
}
}
/* functions
*/
u2_weak // transfer
j2_mbc(Pt3, rsh)(u2_wire wir_r,
u2_atom a, // retain
u2_atom b, // retain
u2_atom c) // retain
{
if ( !u2_fly_is_cat(a) || (a >= 32) ) {
return u2_bl_bail(wir_r, c3__fail);
}
else if ( !u2_fly_is_cat(b) ) {
return _0;
}
else {
c3_g a_g = a;
c3_w b_w = b;
c3_w len_w = u2_met(a_g, c);
if ( b_w >= len_w ) {
return _0;
}
else {
u2_ray sal_r = u2_rl_slaq(wir_r, a_g, (len_w - b_w));
if ( 0 == sal_r ) {
return u2_bl_bail(wir_r, c3__fail);
}
u2_chop(a_g, b_w, (len_w - b_w), 0, sal_r, c);
// return u2_rl_moot(wir_r, sal_r);
return u2_rl_malt(wir_r, sal_r);
}
}
}
/* functions
*/
u2_weak // transfer
j2_mbc(Pt3, con)(u2_wire wir_r,
u2_atom a, // retain
u2_atom b) // retain
{
c3_w lna_w = u2_met(5, a);
c3_w lnb_w = u2_met(5, b);
if ( (lna_w == 0) && (lnb_w == 0) ) {
return _0;
} else {
c3_w len_w = c3_max(lna_w, lnb_w);
u2_ray sal_r = u2_rl_slab(wir_r, len_w);
if ( 0 == sal_r ) {
return u2_bl_bail(wir_r, c3__fail);
}
else {
c3_w i_w;
u2_chop(5, 0, lna_w, 0, sal_r, a);
for ( i_w = 0; i_w < lnb_w; i_w++ ) {
*u2_at_ray(sal_r + i_w) |= u2_atom_word(b, i_w);
}
// return u2_rl_moot(wir_r, sal_r);
return u2_rl_malt(wir_r, sal_r);
}
}
}
/* functions
*/
u2_weak // transfer
j2_mbc(Pt3, cut)(u2_wire wir_r,
u2_atom a, // retain
u2_atom b, // retain
u2_atom c, // retain
u2_atom d) // retain
{
if ( !u2_fly_is_cat(a) || (a >= 32) ) {
return u2_bl_bail(wir_r, c3__fail);
}
if ( !u2_fly_is_cat(b) ) {
return _0;
}
if ( !u2_fly_is_cat(c) ) {
c = 0x7fffffff;
}
{
c3_g a_g = a;
c3_w b_w = b;
c3_w c_w = c;
c3_w len_w = u2_met(a_g, d);
if ( (_0 == c_w) || (b_w >= len_w) ) {
return _0;
}
if ( b_w + c_w > len_w ) {
c_w = (len_w - b_w);
}
if ( (b_w == 0) && (c_w == len_w) ) {
return u2_rx(wir_r, d);
}
else {
u2_ray sal_r = u2_rl_slaq(wir_r, a_g, c_w);
if ( 0 == sal_r ) {
return u2_bl_bail(wir_r, c3__fail);
}
u2_chop(a_g, b_w, c_w, 0, sal_r, d);
return u2_rl_malt(wir_r, sal_r);
}
}
}
/* functions
*/
u2_weak // transfer
j2_mbc(Pt3, rap)(u2_wire wir_r,
u2_atom a, // retain
u2_noun b) // retain
{
if ( !u2_fly_is_cat(a) || (a >= 32) ) {
return u2_bl_bail(wir_r, c3__exit);
}
else {
c3_g a_g = a;
c3_w tot_w = 0;
u2_ray sal_r;
/* Measure and validate the slab required.
*/
{
u2_noun cab = b;
while ( 1 ) {
u2_noun h_cab;
c3_w len_w;
if ( _0 == cab ) {
break;
}
else if ( u2_no == u2_dust(cab) ) {
return u2_bl_bail(wir_r, c3__exit);
}
else if ( u2_no == u2_stud(h_cab = u2_h(cab)) ) {
return u2_bl_bail(wir_r, c3__exit);
}
else if ( (tot_w + (len_w = u2_met(a_g, h_cab))) < tot_w ) {
return u2_bl_bail(wir_r, c3__fail);
}
tot_w += len_w;
cab = u2_t(cab);
}
if ( 0 == tot_w ) {
return _0;
}
if ( 0 == (sal_r = u2_rl_slaq(wir_r, a_g, tot_w)) ) {
return u2_bl_bail(wir_r, c3__fail);
}
}
/* Chop the list atoms in.
*/
{
u2_noun cab = b;
c3_w pos_w = 0;
while ( _0 != cab ) {
u2_noun h_cab = u2_h(cab);
c3_w len_w = u2_met(a_g, h_cab);
u2_chop(a_g, 0, len_w, pos_w, sal_r, h_cab);
pos_w += len_w;
cab = u2_t(cab);
}
}
// return u2_rl_moot(wir_r, sal_r);
return u2_rl_malt(wir_r, sal_r);
}
}
