urbit/j/f/ut_bust.c
2015-02-10 15:13:17 -08:00

72 lines
1.3 KiB
C

/* j/6/bust.c
**
*/
#include "all.h"
/* logic
*/
u3_noun
_cqfu_bust(
u3_noun van,
u3_noun sut,
u3_noun dib)
{
u3_noun yam = u3qfu_burn(van, sut);
u3_noun yib = u3nc
(
u3nc(u3k(u3h(u3h(yam))),
u3k(dib)),
u3k(u3t(yam)));
u3_noun woo = u3nc(c3__cnzy, u3_blip);
u3_noun wox = u3qfu_mint(van, sut, c3__noun, woo);
u3_noun ret = u3n_nock_on(yib, u3k(u3t(wox)));
if ( u3_none == ret ) {
return u3m_error("bust-nock");
}
u3z(wox);
u3z(woo);
u3z(yam);
return ret;
}
/* boilerplate
*/
u3_noun
u3wfu_bust(u3_noun cor)
{
u3_noun sut, dib, van;
if ( (c3n == u3r_mean(cor, u3x_sam, &dib, u3x_con, &van, 0)) ||
(u3_none == (sut = u3r_at(u3x_sam, van))) )
{
return u3m_bail(c3__fail);
} else {
return _cqfu_bust(van, sut, dib);
}
}
u3_noun
u3qfu_bust(u3_noun van,
u3_noun sut,
u3_noun dib)
{
#if 1
return _cqfu_bust(van, sut, dib);
#else
c3_m fun_m = c3__bust;
u3_noun pro = u3z_find_2(fun_m, sut, dib);
if ( u3_none != pro ) {
return pro;
}
else {
pro = _cqfu_bust(van, sut, dib);
return u3z_save_2(fun_m, sut, dib, pro);
}
#endif
}