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60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
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/* j/4/by_get.c
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**
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** This file is in the public domain.
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*/
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#include "all.h"
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#include "../pit.h"
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/* functions
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*/
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u2_noun // transfer
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j2_mcc(Pt4, by, get)(u2_wire wir_r,
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u2_noun a, // retain
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u2_noun b) // retain
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{
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if ( u2_nul == a ) {
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return u2_nul;
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}
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else {
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u2_noun l_a, n_a, r_a;
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u2_noun pn_a, qn_a;
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if ( (u2_no == u2_as_trel(a, &n_a, &l_a, &r_a)) ||
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(u2_no == u2_as_cell(n_a, &pn_a, &qn_a) ) )
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{
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return u2_bl_bail(wir_r, c3__exit);
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}
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else {
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if ( (u2_yes == u2_sing(b, pn_a)) ) {
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return u2_rc(wir_r, u2_nul, u2_rx(wir_r, qn_a));
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}
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else {
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if ( u2_yes == j2_mbc(Pt3, gor)(wir_r, b, pn_a) ) {
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return j2_mcc(Pt4, by, get)(wir_r, l_a, b);
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}
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else return j2_mcc(Pt4, by, get)(wir_r, r_a, b);
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}
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}
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}
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}
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u2_weak // transfer
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j2_mc(Pt4, by, get)(u2_wire wir_r,
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u2_noun cor) // retain
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{
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u2_noun a, b;
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if ( u2_no == u2_mean(cor, u2_cv_sam, &b, u2_cv_con_sam, &a, 0) ) {
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return u2_bl_bail(wir_r, c3__exit);
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} else {
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return j2_mcc(Pt4, by, get)(wir_r, a, b);
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}
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}
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/* structures
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*/
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u2_ho_jet
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j2_mcj(Pt4, by, get)[] = {
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{ ".2", c3__lite, j2_mc(Pt4, by, get), Tier4, u2_none, u2_none },
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{ }
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};
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