/* u2_cke_cue(): expand saved pill. */ static u2_noun // produce _cue_in(u2_wire wir_r, u2_atom a, // retain u2_atom b, // retain u2_ray t_r) // retain { u2_noun p, q; if ( _0 == j2_mbc(Pt3, cut)(wir_r, 0, b, 1, a) ) { u2_noun x = j2_mbc(Pt1, inc)(wir_r, b); u2_noun c = j2_mby(Pt5, rub)(wir_r, x, a); p = j2_mbc(Pt1, inc)(wir_r, u2_h(c)); q = u2_rx(wir_r, u2_t(c)); q = u2_cs_save(wir_r, t_r, 0, b, q); u2_rz(wir_r, c); u2_rz(wir_r, x); } else { u2_noun c = j2_mbc(Pt1, add)(wir_r, _2, b); u2_noun l = j2_mbc(Pt1, inc)(wir_r, b); if ( _0 == j2_mbc(Pt3, cut)(wir_r, 0, l, 1, a) ) { u2_noun u, v, w; u2_noun x, y; u = _cue_in(wir_r, a, c, t_r); x = j2_mbc(Pt1, add)(wir_r, u2_h(u), c); v = _cue_in(wir_r, a, x, t_r); w = u2_bc(wir_r, u2_rx(wir_r, u2_t(u)), u2_rx(wir_r, u2_t(v))); y = j2_mbc(Pt1, add)(wir_r, u2_h(u), u2_h(v)); p = j2_mbc(Pt1, add)(wir_r, _2, y); q = u2_cs_save(wir_r, t_r, 0, b, w); u2_rz(wir_r, u); u2_rz(wir_r, v); u2_rz(wir_r, x); u2_rz(wir_r, y); } else { u2_noun d = j2_mby(Pt5, rub)(wir_r, c, a); u2_weak x = u2_cs_find(wir_r, t_r, 0, u2_t(d)); p = j2_mbc(Pt1, add)(wir_r, _2, u2_h(d)); if ( u2_none == x ) { return u2_bl_bail(wir_r, c3__fail); } q = u2_rx(wir_r, x); u2_rz(wir_r, d); } u2_rz(wir_r, l); u2_rz(wir_r, c); } return u2_bc(wir_r, p, q); }
u2_noun // transfer _cue_internal(u2_wire wir_r, u2_atom a) // retain { u2_ray t_r = u2_cs_make(wir_r); u2_noun x = _cue_in(wir_r, a, _0, t_r); u2_noun y = u2_rx(wir_r, u2_t(x)); u2_rz(wir_r, x); u2_cs_free(wir_r, t_r); return y; }
u2_noun // transfer j2_mby(Pt5, cue)(u2_wire wir_r, u2_atom a) // retain { T_r = u2_na_make(); u2_noun x = _cue_in(wir_r, a, _0); u2_noun y = u2_rx(wir_r, u2_h(u2_t(x))); u2_na_take(T_r); T_r = 0; u2_rz(wir_r, x); return y; }