shrub/j/4/in_put.c

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/* j/4/in_put.c
**
** This file is in the public domain.
*/
#include "all.h"
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/* functions
*/
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u3_noun
u3_cqdi_put(
u3_noun a,
u3_noun b)
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{
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if ( u3_nul == a ) {
return u3nt(u3k(b), u3_nul, u3_nul);
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}
else {
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u3_noun l_a, n_a, r_a, lr_a; // XX copy tree boilerplate to other pt4
u3_noun c, l_c, n_c, r_c;
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if ( (u3_no == u3_cr_cell(a, &n_a, &lr_a)) ) {
return u3_cm_bail(c3__exit);
}
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else if ( u3_yes == u3_cr_sing(n_a, b) ) {
return u3k(a);
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}
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else if ( u3_no == u3_cr_cell(lr_a, &l_a, &r_a) ) {
return u3_cm_bail(c3__exit);
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}
else {
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if ( u3_yes == u3_cqc_hor(b, n_a) ) {
c = u3_cqdi_put(l_a, b);
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if ( u3_yes == u3_cqc_vor(n_a, u3h(c)) ) {
return u3nt(u3k(n_a),
c,
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u3k(r_a));
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}
else {
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u3_cr_trel(c, &n_c, &l_c, &r_c);
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{
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u3_noun d = u3nt
(u3k(n_c),
u3k(l_c),
u3nt(
u3k(n_a),
u3k(r_c),
u3k(r_a)));
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u3z(c);
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return d;
}
}
}
else {
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c = u3_cqdi_put(r_a, b);
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if ( u3_yes == u3_cqc_vor(n_a, u3h(c)) ) {
return u3nt(u3k(n_a),
u3k(l_a),
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c);
}
else {
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u3_cr_trel(c, &n_c, &l_c, &r_c);
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{
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u3_noun d = u3nt
(u3k(n_c),
u3nt(
u3k(n_a),
u3k(l_a),
u3k(l_c)),
u3k(r_c));
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u3z(c);
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return d;
}
}
}
}
}
}
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u3_noun
u3_cwdi_put(
u3_noun cor)
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{
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u3_noun a, b;
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if ( u3_no == u3_cr_mean(cor, u3_cv_sam, &b, u3_cv_con_sam, &a, 0) ) {
return u3_cm_bail(c3__exit);
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} else {
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return u3_cqdi_put(a, b);
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}
}