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/// @file
#include "jets/q.h"
#include "jets/w.h"
#include "noun.h"
static c3_w
_hew_in(c3_g a_g,
c3_w pos_w,
u3_atom vat,
u3_noun sam,
u3_noun* out)
{
u3_noun h, t, *l, *r;
while ( c3y == u3r_cell(sam, &h, &t) ) {
*out = u3i_defcons(&l, &r);
pos_w = _hew_in(a_g, pos_w, vat, h, l);
sam = t;
out = r;
}
if ( !_(u3a_is_cat(sam)) ) {
return u3m_bail(c3__fail);
}
if ( !sam ) {
*out = 0;
return pos_w;
}
else {
c3_w wid_w = (c3_w)sam;
c3_w new_w = pos_w + wid_w;
u3i_slab sab_u;
if ( new_w < pos_w ) {
return u3m_bail(c3__fail);
}
u3i_slab_init(&sab_u, a_g, wid_w);
u3r_chop(a_g, pos_w, wid_w, 0, sab_u.buf_w, vat);
*out = u3i_slab_mint(&sab_u);
return new_w;
}
}
u3_noun
u3qc_hew(u3_atom boq,
u3_atom sep,
u3_atom vat,
u3_noun sam)
{
if ( !_(u3a_is_cat(boq)) || (boq >= 32) ) {
return u3m_bail(c3__fail);
}
if ( !_(u3a_is_cat(sep)) ) {
return u3m_bail(c3__fail);
}
u3_noun pro;
c3_w pos_w = _hew_in((c3_g)boq, (c3_w)sep, vat, sam, &pro);
return u3nt(pro, boq, u3i_word(pos_w));
}
u3_noun
u3wc_hew(u3_noun cor)
{
u3_atom boq, sep, vat;
u3_noun sam;
{
u3_noun pay = u3t(cor);
u3_noun con = u3t(pay);
u3_noun gat = u3t(con); // outer gate
u3_noun cam = u3h(u3t(gat)); // outer sample
u3_noun d = u3h(con);
boq = u3x_atom(u3h(d));
sep = u3x_atom(u3t(d));
vat = u3x_atom(u3t(cam));
sam = u3h(pay);
}
return u3qc_hew(boq, sep, vat, sam);
}
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