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/// @file
#include "jets/q.h"
#include "jets/w.h"
#include "noun.h"
// XX optimize
//
static c3_w
_met_plat_m(c3_g a_g, c3_w fum_w, c3_w met_w, u3_atom vat)
{
c3_w len_w, wor_w;
{
u3i_slab sab_u;
u3i_slab_init(&sab_u, a_g, met_w);
u3r_chop(a_g, fum_w, met_w, 0, sab_u.buf_w, vat);
len_w = sab_u.len_w;
while ( len_w && !sab_u.buf_w[len_w - 1] ) {
len_w--;
}
wor_w = !len_w ? 0 : sab_u.buf_w[len_w - 1];
u3i_slab_free(&sab_u);
}
if ( !len_w ) {
return 0;
}
{
c3_w gal_w = len_w - 1;
c3_w daz_w = wor_w;
c3_y a_y = a_g;
// inlined from u3r_met
if (a_y < 5) {
c3_y max_y = (1 << a_y) - 1;
c3_y gow_y = 5 - a_y;
if (gal_w > ((UINT32_MAX - (32 + max_y)) >> gow_y)) {
return u3m_bail(c3__fail);
}
return (gal_w << gow_y)
+ ((c3_bits_word(daz_w) + max_y)
>> a_y);
}
{
c3_y gow_y = (a_y - 5);
return ((gal_w + 1) + ((1 << gow_y) - 1)) >> gow_y;
}
}
}
static c3_w
_met_list(c3_g a_g,
c3_w sep_w,
u3_noun b_p);
static c3_w
_met_pair(c3_g* las_g,
c3_w sep_w,
u3_noun a_p,
u3_noun b_p,
c3_g* new_g)
{
c3_g res_g, a_g;
while ( c3y == u3a_is_cell(a_p) ) {
sep_w = _met_pair(las_g, sep_w, u3h(a_p), u3t(a_p), &res_g);
las_g = &res_g;
a_p = u3h(b_p);
b_p = u3t(b_p);
}
if ( !_(u3a_is_cat(a_p)) || (a_p >= 32) ) {
return u3m_bail(c3__fail);
}
a_g = (c3_g)a_p;
if ( las_g && (a_g != *las_g) ) {
sep_w = u3qc_rig_s(*las_g, sep_w, a_g); // XX overflow
}
*new_g = a_g;
return _met_list(a_g, sep_w, b_p);
}
static c3_w
_met_list(c3_g a_g,
c3_w sep_w,
u3_noun b_p)
{
if ( u3_nul != b_p ) {
c3_w met_w;
u3_noun i, t = b_p;
do {
u3x_cell(t, &i, &t);
// ?@ i.b.p
if ( c3y == u3a_is_atom(i) ) {
met_w = u3r_met(a_g, i);
sep_w += met_w; // XX overflow
}
else {
u3_noun i_i, t_i;
u3x_cell(i, &i_i, &t_i);
// ?=(@ -.i.b.p)
if ( c3y == u3a_is_atom(i_i) ) {
if ( !_(u3a_is_cat(i_i)) ) {
return u3m_bail(c3__fail);
}
met_w = (c3_w)i_i;
sep_w += met_w; // XX overflow
}
else {
u3_noun l, r;
c3_o cel_o = u3r_cell(i_i, &l, &r);
// ?=([%c ~] -.i.b.p)
if ( (c3y == cel_o) && ('c' == l) && (u3_nul == r) ) {
u3_atom p_p_t_i = u3x_atom(u3h(u3h(t_i)));
u3_atom q_p_t_i = u3x_atom(u3t(u3h(t_i)));
u3_atom q_t_i = u3x_atom(u3t(t_i));
if ( !_(u3a_is_cat(p_p_t_i))
|| !_(u3a_is_cat(q_p_t_i))
|| !_(u3a_is_cat(q_t_i)) )
{
return u3m_bail(c3__fail);
}
met_w = (c3_w)q_p_t_i;
sep_w += met_w; // XX overflow
}
// ?=([%m ~] -.i.b.p)
else if ( (c3y == cel_o) && ('m' == l) && (u3_nul == r) ) {
u3_atom p_p_t_i = u3x_atom(u3h(u3h(t_i)));
u3_atom q_p_t_i = u3x_atom(u3t(u3h(t_i)));
u3_atom q_t_i = u3x_atom(u3t(t_i));
if ( !_(u3a_is_cat(p_p_t_i))
|| !_(u3a_is_cat(q_p_t_i))
|| !_(u3a_is_cat(q_t_i)) )
{
return u3m_bail(c3__fail);
}
met_w = _met_plat_m(a_g, (c3_w)p_p_t_i, (c3_w)q_p_t_i, q_t_i);
sep_w += met_w; // XX overflow
}
// ?=([%s ~] -.i.b.p) (assumed)
else {
c3_g new_g;
u3x_cell(t_i, &l, &r);
sep_w = _met_pair(&a_g, sep_w, l, r, &new_g);
if ( new_g != a_g ) {
sep_w = u3qc_rig_s(new_g, sep_w, a_g); // XX overflow
}
}
}
}
}
while ( u3_nul != t );
}
return sep_w;
}
static c3_w
_fax_list(u3i_slab* sab_u,
c3_g a_g,
c3_w sep_w,
u3_noun b_p);
static c3_w
_fax_pair(u3i_slab* sab_u,
c3_g* las_g,
c3_w sep_w,
u3_noun a_p,
u3_noun b_p,
c3_g* new_g)
{
c3_g res_g, a_g;
while ( c3y == u3a_is_cell(a_p) ) {
sep_w = _fax_pair(sab_u, las_g, sep_w, u3h(a_p), u3t(a_p), &res_g);
las_g = &res_g;
a_p = u3h(b_p);
b_p = u3t(b_p);
}
if ( !_(u3a_is_cat(a_p)) || (a_p >= 32) ) {
return u3m_bail(c3__fail);
}
a_g = (c3_g)a_p;
if ( las_g && (a_g != *las_g) ) {
sep_w = u3qc_rig_s(*las_g, sep_w, a_g); // XX overflow
}
*new_g = a_g;
return _fax_list(sab_u, a_g, sep_w, b_p);
}
static c3_w
_fax_list(u3i_slab* sab_u,
c3_g a_g,
c3_w sep_w,
u3_noun b_p)
{
if ( u3_nul != b_p ) {
c3_w met_w;
u3_noun i, t = b_p;
do {
u3x_cell(t, &i, &t);
// ?@ i.b.p
if ( c3y == u3a_is_atom(i) ) {
met_w = u3r_met(a_g, i);
u3r_chop(a_g, 0, met_w, sep_w, sab_u->buf_w, i);
sep_w += met_w; // XX overflow
}
else {
u3_noun i_i, t_i;
u3x_cell(i, &i_i, &t_i);
// ?=(@ -.i.b.p)
if ( c3y == u3a_is_atom(i_i) ) {
if ( !_(u3a_is_cat(i_i)) ) {
return u3m_bail(c3__fail);
}
met_w = (c3_w)i_i;
u3r_chop(a_g, 0, met_w, sep_w, sab_u->buf_w, u3x_atom(t_i));
sep_w += met_w; // XX overflow
}
else {
u3_noun l, r;
c3_o cel_o = u3r_cell(i_i, &l, &r);
// ?=([%c ~] -.i.b.p)
if ( (c3y == cel_o) && ('c' == l) && (u3_nul == r) ) {
u3_atom p_p_t_i = u3x_atom(u3h(u3h(t_i)));
u3_atom q_p_t_i = u3x_atom(u3t(u3h(t_i)));
u3_atom q_t_i = u3x_atom(u3t(t_i));
if ( !_(u3a_is_cat(p_p_t_i))
|| !_(u3a_is_cat(q_p_t_i))
|| !_(u3a_is_cat(q_t_i)) )
{
return u3m_bail(c3__fail);
}
met_w = (c3_w)q_p_t_i;
u3r_chop(a_g, (c3_w)p_p_t_i, met_w, sep_w, sab_u->buf_w, q_t_i);
sep_w += met_w; // XX overflow
}
// ?=([%m ~] -.i.b.p)
else if ( (c3y == cel_o) && ('m' == l) && (u3_nul == r) ) {
u3_atom p_p_t_i = u3x_atom(u3h(u3h(t_i)));
u3_atom q_p_t_i = u3x_atom(u3t(u3h(t_i)));
u3_atom q_t_i = u3x_atom(u3t(t_i));
if ( !_(u3a_is_cat(p_p_t_i))
|| !_(u3a_is_cat(q_p_t_i))
|| !_(u3a_is_cat(q_t_i)) )
{
return u3m_bail(c3__fail);
}
met_w = _met_plat_m(a_g, (c3_w)p_p_t_i, (c3_w)q_p_t_i, q_t_i);
u3r_chop(a_g, (c3_w)p_p_t_i, met_w, sep_w, sab_u->buf_w, q_t_i);
sep_w += met_w; // XX overflow
}
// ?=([%s ~] -.i.b.p) (assumed)
else {
c3_g new_g;
u3x_cell(t_i, &l, &r);
sep_w = _fax_pair(sab_u, &a_g, sep_w, l, r, &new_g);
if ( new_g != a_g ) {
sep_w = u3qc_rig_s(new_g, sep_w, a_g); // XX overflow
}
}
}
}
}
while ( u3_nul != t );
}
return sep_w;
}
u3_noun
u3qg_plot_met(u3_noun a_p, u3_noun b_p)
{
c3_g out_g;
c3_w sep_w = _met_pair(NULL, 0, a_p, b_p, &out_g);
return u3nc(out_g, u3i_word(sep_w));
}
u3_noun
u3wg_plot_met(u3_noun cor)
{
u3_noun a_p, b_p;
{
u3_noun sam = u3h(u3t(cor));
a_p = u3h(sam);
b_p = u3t(sam);
}
return u3qg_plot_met(a_p, b_p);
}
u3_noun
u3qg_plot_fax(u3_noun a_p, u3_noun b_p)
{
c3_g out_g;
c3_w sep_w = _met_pair(NULL, 0, a_p, b_p, &out_g);
u3i_slab sab_u;
u3i_slab_init(&sab_u, out_g, sep_w);
_fax_pair(&sab_u, NULL, 0, a_p, b_p, &out_g);
return u3nt(u3i_slab_mint(&sab_u), out_g, u3i_word(sep_w));
}
u3_noun
u3wg_plot_fax(u3_noun cor)
{
u3_noun a_p, b_p;
{
u3_noun sam = u3h(u3t(cor));
a_p = u3h(sam);
b_p = u3t(sam);
}
return u3qg_plot_fax(a_p, b_p);
}
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