Ejemplo n.º 1
0
 static u3_noun
 _play_bean()
 {
   return u3kf_fork(u3nt(u3nq(c3__atom, 'f', u3_nul, 0),
                         u3nq(c3__atom, 'f', u3_nul, 1),
                         u3_nul));
 }
Ejemplo n.º 2
0
  static u3_noun
  _peek_in(u3_noun van,
           u3_noun sut,
           u3_noun way,
           u3_atom axe,
           u3_noun gil)
  {
    u3_noun p_sut, q_sut;
    u3_noun pro;

    if ( (c3n == u3du(sut)) ) switch ( sut ) {
      default: return u3m_bail(c3__fail);

      case c3__noun: {
        return c3__noun;
      }
      case c3__void: {
        return c3__void;
      }
    }
    else switch ( u3h(sut) ) {
      default: return u3m_bail(c3__fail);

      case c3__atom: {
        return c3__void;
      }
      case c3__cell: {
        if ( (c3n == u3r_trel(sut, 0, &p_sut, &q_sut)) ) {
          return u3m_bail(c3__fail);
        } else {
          u3_atom tip = u3qc_cap(axe);
          u3_atom tap = u3qc_mas(axe);

          if ( 2 == tip ) {
            pro = _cqfu_peek(van, p_sut, way, tap);
          }
          else {
            pro = _cqfu_peek(van, q_sut, way, tap);
          }
          u3z(tap);
          u3z(tip);

          return pro;
        }
      }
      case c3__core: {
        u3_noun pq_sut, qq_sut, rq_sut;
        u3_noun prq_sut, qrq_sut;

        if ( (c3n == u3r_trel(sut, 0, &p_sut, &q_sut)) ||
             (c3n == u3r_trel(q_sut, &pq_sut, &qq_sut, &rq_sut)) ||
             (c3n == u3r_cell(rq_sut, &prq_sut, &qrq_sut)) )
        {
          return u3m_bail(c3__fail);
        } else {
          u3_atom now = u3qc_cap(axe);
          u3_atom lat = u3qc_mas(axe);

          if ( 3 == now ) {
            u3_noun pec = u3qfu_perk(van, sut, way, pq_sut);
            u3_noun sam = u3h(pec);
            u3_noun con = u3t(pec);

            if ( c3y == c3a(sam, con) ) {
              pro = _cqfu_peek(van, p_sut, way, lat);
            }
            else {
              u3_noun typ;

              {
                u3_noun hed, tal;

                if ( c3n == sam ) {
                  hed = c3__noun;
                } else {
                  hed = _cqfu_peek(van, p_sut, way, 2);
                }

                if ( c3n == con ) {
                  tal = c3__noun;
                } else {
                  tal = _cqfu_peek(van, p_sut, way, 3);
                }

                typ = u3qf_cell(hed, tal);
                u3z(hed);
                u3z(tal);
              }

              pro = _cqfu_peek(van, typ, way, lat);
              u3z(typ);
            }

            u3z(pec);
          }
          else {
            pro = c3__noun;
          }
          u3z(lat);
          u3z(now);

          return pro;
        }
      }
      case c3__face: {
        if ( (c3n == u3r_trel(sut, 0, &p_sut, &q_sut)) ) {
          return u3m_bail(c3__fail);
        } else {
          return _peek_in(van, q_sut, way, axe, gil);
        }
      }
      case c3__fork: p_sut = u3t(sut);
      {
        u3_noun yed = u3qdi_tap(p_sut, u3_nul);
        u3_noun ret = u3kf_fork(_peek_fork(van, yed, way, axe, gil));

        u3z(yed);
        return ret;
      }
      case c3__hold: {
        if ( (c3y == u3qdi_has(gil, sut)) ) {
          return c3__void;
        }
        else {
          u3_noun zoc = u3qdi_put(gil, sut);
          u3_noun fop = u3qfu_repo(van, sut);
          u3_noun pro = _peek_in(van, fop, way, axe, zoc);

          u3z(fop);
          u3z(zoc);

          return pro;
        }
      }
    }
  }
Ejemplo n.º 3
0
Archivo: ut_fuse.c Proyecto: bd/urbit
  static u3_noun
  _fuse_in(u3_noun van,
           u3_noun sut,
           u3_noun ref,
           u3_noun bix)
  {
    u3_noun p_sut, q_sut;

    if ( c3y == u3r_sing(sut, ref) || (c3__noun == ref) ) {
      return u3k(sut);
    }
    if ( c3n == u3du(sut) ) switch ( sut ) {
      default: return u3m_bail(c3__fail);

      case c3__noun:
      {
        return u3k(ref);
      }
      case c3__void:
      {
        return c3__void;
      }
    }
    else switch ( u3h(sut) ) {
      default: return u3m_bail(c3__fail);

      case c3__atom: u3x_cell(u3t(sut), &p_sut, &q_sut);
      {
        if ( c3y == u3du(ref) ) {
          if ( c3__atom == u3h(ref) ) {
            u3_noun p_ref, q_ref;

            u3x_cell(u3t(ref), &p_ref, &q_ref);
            {
              u3_noun foc = (c3y == u3qf_fitz(p_ref, p_sut))
                              ? u3k(p_sut)
                              : u3k(p_ref);

              if ( c3y == u3du(q_sut) ) {
                if ( c3y == u3du(q_ref) ) {
                  if ( c3y == u3r_sing(q_ref, q_sut) ) {
                    return u3nt(c3__atom, foc, u3k(q_sut));
                  }
                  else { 
                    u3z(foc);
                    return c3__void;
                  }
                }
                else {
                  return u3nt(c3__atom, foc, u3k(q_sut));
                }
              } else {
                return u3nt(c3__atom, foc, u3k(q_ref));
              }
            }
          }
          else if ( c3__cell == u3h(ref) ) {
            return c3__void;
          }
        }
        return _fuse_in(van, ref, sut, bix);
      }
      case c3__cell: u3x_cell(u3t(sut), &p_sut, &q_sut);
      {
        u3_noun p_ref, q_ref;

        if ( c3y == u3r_pq(ref, c3__cell, &p_ref, &q_ref) ) {
          u3_noun hed = _fuse_in(van, p_sut, p_ref, bix);
          u3_noun tal = _fuse_in(van, q_sut, q_ref, bix);
          u3_noun ret = u3qf_cell(hed, tal);

          u3z(hed);
          u3z(tal);
          return ret;
        }
        else return _fuse_in(van, ref, sut, bix);
      }
      case c3__core:
      {
        return _fuse_repo(van, sut, ref, bix);
      }
      case c3__help: u3x_cell(u3t(sut), &p_sut, &q_sut);
      {
        u3_noun vot = _fuse_in(van, q_sut, ref, bix);
        u3_noun ret = u3qf_help(p_sut, vot);

        u3z(vot);
        return ret;
      }
      case c3__face: u3x_cell(u3t(sut), &p_sut, &q_sut);
      {
        u3_noun vot = _fuse_in(van, q_sut, ref, bix);
        u3_noun ret = u3qf_face(p_sut, vot);

        u3z(vot);
        return ret;
      }
      case c3__fork: p_sut = u3t(sut);
      {
        u3_noun yed = u3qdi_tap(p_sut);
        u3_noun ret = u3kf_fork(_fuse_in_fork(van, yed, ref, bix));

        u3z(yed);
        return ret;
      }
      case c3__hold:
      {
        u3_noun hud = u3nc(u3k(sut), u3k(ref));

        if ( c3y == u3qdi_has(bix, hud) ) {
          //  u3_noun dun = u3qfu_dunq(van, "type", sut);
          //  u3_noun niz = u3qfu_dunq(van, "over", ref);

          //  u3t_push(u3nc(c3__mean, dun));
          //  u3t_push(u3nc(c3__mean, niz));

          return u3m_error("fuse-loop");
        } else {
          u3_noun bux = u3qdi_put(bix, hud);
          u3_noun ret = _fuse_repo(van, sut, ref, bux);

          u3z(hud);
          u3z(bux);
          return ret;
        }
      }
    }
  }
Ejemplo n.º 4
0
  static u3_noun
  _peek_in(u3_noun van,
           u3_noun sut,
           u3_noun way,
           u3_atom axe,
           u3_noun gil)
  {
    u3_noun p_sut, q_sut;
    u3_noun pro;

    if ( (c3n == u3du(sut)) ) switch ( sut ) {
      default: return u3m_bail(c3__fail);

      case c3__noun: {
        return c3__noun;
      }
      case c3__void: {
        return c3__void;
      }
    }
    else switch ( u3h(sut) ) {
      default: return u3m_bail(c3__fail);

      case c3__atom: {
        return c3__void;
      }
      case c3__cell: {
        if ( (c3n == u3r_trel(sut, 0, &p_sut, &q_sut)) ) {
          return u3m_bail(c3__fail);
        } else {
          u3_atom tip = u3qc_cap(axe);
          u3_atom tap = u3qc_mas(axe);

          if ( 2 == tip ) {
            pro = _cqfu_peek(van, p_sut, way, tap);
          }
          else {
            pro = _cqfu_peek(van, q_sut, way, tap);
          }
          u3z(tap);
          u3z(tip);

          return pro;
        }
      }
      case c3__core: {
        u3_noun pq_sut, qq_sut, rq_sut;
        u3_noun prq_sut, qrq_sut;

        if ( (c3n == u3r_trel(sut, 0, &p_sut, &q_sut)) ||
             (c3n == u3r_trel(q_sut, &pq_sut, &qq_sut, &rq_sut)) ||
             (c3n == u3r_cell(rq_sut, &prq_sut, &qrq_sut)) )
        {
          return u3m_bail(c3__fail);
        } else {
          u3_atom tip = u3qc_cap(axe);
          u3_atom tap = u3qc_mas(axe);

          if ( 3 == tip ) {
            if ( c3n == u3qfu_park(van, sut, way, tap) )
            {
              // u3_noun dun = u3qfu_dunq(van, "type", sut);
              u3_noun waz = u3qfu_shep
                (van, "axis", 'd', u3k(axe));

              // u3t_push(u3nc(c3__mean, dun));
              u3t_push(u3nc(c3__mean, waz));

              return u3m_error("peek-park");
            }
            else pro = _cqfu_peek(van, p_sut, way, tap);
          }
          else {
            pro = c3__noun;
          }
          u3z(tap);
          u3z(tip);

          return pro;
        }
      }
      case c3__face: {
        if ( (c3n == u3r_trel(sut, 0, &p_sut, &q_sut)) ) {
          return u3m_bail(c3__fail);
        } else {
          return _peek_in(van, q_sut, way, axe, gil);
        }
      }
      case c3__fork: p_sut = u3t(sut);
      {
        u3_noun yed = u3qdi_tap(p_sut, u3_nul);
        u3_noun ret = u3kf_fork(_peek_fork(van, yed, way, axe, gil));

        u3z(yed);
        return ret;
      }
      case c3__hold: {
        if ( (c3y == u3qdi_has(gil, sut)) ) {
          return c3__void;
        }
        else {
          u3_noun zoc = u3qdi_put(gil, sut);
          u3_noun fop = u3qfu_repo(van, sut);
          u3_noun pro = _peek_in(van, fop, way, axe, zoc);

          u3z(fop);
          u3z(zoc);

          return pro;
        }
      }
    }
  }