u3_noun
u3wf_fitz(u3_noun cor)
{
u3_noun yaz, wix;
if ( (c3n == u3r_mean(cor, u3x_sam_2, &yaz, u3x_sam_3, &wix, 0)) ||
(c3n == u3ud(yaz)) ||
(c3n == u3ud(wix)) )
{
return u3m_bail(c3__fail);
} else {
return u3qf_fitz(yaz, wix);
}
}
static u3_noun
_nest_dext_in(
u3_noun van,
u3_noun sut,
u3_noun tel,
u3_noun ref,
u3_noun gil)
{
u3_noun p_sut, q_sut, p_ref, q_ref;
if ( (c3n == u3du(sut)) ) switch ( sut ) {
default: return u3m_bail(c3__fail);
case c3__noun: {
return c3y;
}
case c3__void: {
return _nest_sint(van, sut, tel, ref, gil);
}
}
else switch ( u3h(sut) ) {
default: return u3m_bail(c3__fail);
case c3__atom: {
if ( (c3y == u3du(ref)) && (c3__atom == u3h(ref)) ) {
if ( c3n == u3qf_fitz(u3t(sut), u3t(ref)) ) {
// u3_err("fitz: need", u3t(sut));
// u3_err("fitz: have", u3t(ref));
return c3n;
}
return c3y;
}
else return _nest_sint(van, sut, tel, ref, gil);
}
case c3__bull: {
if ( (c3n == u3r_trel(sut, 0, &p_sut, &q_sut)) ) {
return u3m_bail(c3__fail);
} else {
return _nest_dext(van, q_sut, tel, ref, gil);
}
}
case c3__cell: {
if ( (c3n == u3r_trel(sut, 0, &p_sut, &q_sut)) ) {
return u3m_bail(c3__fail);
} else {
if ( c3y == u3r_pq(ref, c3__cell, &p_ref, &q_ref) ) {
return c3a(_nest_dext(van, p_sut, tel, p_ref, gil),
_nest_dext(van, q_sut, tel, q_ref, gil));
}
else return _nest_sint(van, sut, tel, ref, gil);
}
}
case c3__core: {
if ( c3n == u3r_trel(sut, 0, &p_sut, &q_sut) ) {
return u3m_bail(c3__fail);
} else {
if ( (c3y == u3r_pq(ref, c3__core, &p_ref, &q_ref)) ) {
return _nest_cong(van, sut, tel, ref, gil);
}
else return _nest_sint(van, sut, tel, ref, gil);
}
}
case c3__cube: {
if ( c3n == u3r_trel(sut, 0, &p_sut, &q_sut) ) {
return u3m_bail(c3__fail);
} else {
if ( c3y == u3r_pq(ref, c3__cube, &p_ref, &q_ref) ) {
return u3r_sing(p_sut, p_ref);
}
else return _nest_sint(van, sut, tel, ref, gil);
}
}
case c3__face: {
if ( (c3n == u3r_trel(sut, 0, &p_sut, &q_sut)) ) {
return u3m_bail(c3__fail);
} else {
return _nest_dext(van, q_sut, tel, ref, gil);
}
}
case c3__fork: {
if ( (c3n == u3r_trel(sut, 0, &p_sut, &q_sut)) ) {
return u3m_bail(c3__fail);
}
else {
if ( c3n == u3du(ref) ) switch ( ref ) {
default: return _nest_sint(van, sut, tel, ref, gil);
case c3__noun:
break;
}
else switch ( u3h(ref) ) {
default: return _nest_sint(van, sut, tel, ref, gil);
case c3__atom:
case c3__cell:
case c3__cube:
case c3__core:
break;
}
return c3o(_nest_dext(van, p_sut, c3n, ref, gil),
_nest_dext(van, q_sut, c3n, ref, gil));
}
}
case c3__hold: p_sut = u3t(sut);
{
u3_noun hud = u3nc(u3k(sut), u3k(ref));
if ( (c3y == u3qdi_has(gil, hud)) ) {
u3z(hud);
return c3y;
} else {
u3_noun zoc = u3qdi_put(gil, hud);
u3_noun fop = u3qfu_rest(van, sut, p_sut);
u3_noun hiv = _nest_dext(van, fop, tel, ref, zoc);
u3z(hud);
u3z(fop);
u3z(zoc);
return hiv;
}
}
}
}
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;
}
}
}
}
