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https://github.com/ilyakooo0/urbit.git
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119 lines
3.5 KiB
C
119 lines
3.5 KiB
C
/* j/6/swab.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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/* internals
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*/
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/* functions
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*/
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u2_noun // produce
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j2_mcx(Pt6, ut, snub)(u2_wire wir_r,
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u2_noun van, // retain
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u2_noun sut, // retain
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u2_noun har) // retain
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{
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if ( u2_no == u2_dust(har) ) {
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return u2_nul;
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} else {
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u2_noun i_har = u2_h(har);
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u2_noun t_har = u2_t(har);
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u2_noun pi_har = u2_h(i_har);
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u2_noun qi_har = u2_t(i_har);
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u2_noun peh = j2_mbc(Pt2, flop)(wir_r, pi_har);
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u2_noun ret = u2_bc(wir_r, u2_bc(wir_r, peh, u2k(qi_har)),
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j2_mcx(Pt6, ut, snub)
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(wir_r, van, sut, t_har));
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return ret;
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}
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}
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/* boilerplate
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*/
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u2_ho_jet
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j2_mcj(Pt6, ut, snub)[];
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u2_noun // transfer
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j2_mc(Pt6, ut, snub)(u2_wire wir_r,
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u2_noun cor) // retain
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{
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u2_noun van, sut, har;
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if ( (u2_no == u2_mean(cor, u2_cv_sam, &har,
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u2_cv_con, &van,
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0)) ||
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(u2_none == (sut = u2_frag(u2_cv_sam, van))) )
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{
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return u2_bl_bail(wir_r, c3__fail);
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} else {
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return j2_mcx(Pt6, ut, snub)(wir_r, van, sut, har);
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}
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}
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u2_weak // transfer
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j2_mci(Pt6, ut, snub)(u2_wire wir_r,
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u2_noun van, // retain
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u2_noun sut, // retain
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u2_noun har) // retain
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{
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u2_weak hoc = u2_ds_look(wir_r, van, "snub");
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if ( u2_none == hoc ) {
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c3_assert(!"register snub");
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return u2_none;
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} else {
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u2_weak von = u2_rl_molt(wir_r, van, u2_cv_sam, u2_rx(wir_r, sut), 0);
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u2_weak gat = u2_nk_soft(wir_r, von, hoc);
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u2_weak cor = u2_rl_molt(wir_r, gat, u2_cv_sam, u2_rx(wir_r, har),
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0);
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if ( (u2_none == j2_mcj(Pt6, ut, snub)[0].xip) ) {
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u2_noun xip = u2_ds_find(wir_r, cor);
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c3_assert(u2_none != xip);
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j2_mcj(Pt6, ut, snub)[0].xip = xip;
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}
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u2_rl_lose(wir_r, gat);
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return cor;
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}
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}
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u2_noun // transfer
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j2_mcy(Pt6, ut, snub)(u2_wire wir_r,
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u2_noun van, // retain
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u2_noun sut, // retain
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u2_noun har) // retain
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{
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u2_ho_jet *jet_j = &j2_mcj(Pt6, ut, snub)[0];
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if ( jet_j->sat_s == u2_jet_live ) {
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return j2_mcx(Pt6, ut, snub)(wir_r, van, sut, har);
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}
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else {
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u2_noun cor, fol, pro;
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cor = j2_mci(Pt6, ut, snub)(wir_r, van, sut, har);
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fol = u2_h(cor);
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pro = u2_ho_use(wir_r, jet_j, cor, fol);
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if ( u2_none == pro ) return u2_bl_bail(wir_r, c3__fail);
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u2_rz(wir_r, cor);
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u2_rz(wir_r, fol);
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return pro;
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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(Pt6, ut, snub)[] = {
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{ ".2", c3__hevy, j2_mc(Pt6, ut, snub), Tier6_c, u2_none, u2_none },
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{ }
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};
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