uCBQN/src/core/harr.c
2021-05-23 21:55:49 +03:00

159 lines
4.5 KiB
C

#include "../core.h"
#include "gstack.h"
B toCells(B x) {
assert(isArr(x) && rnk(x)>1);
usz cam = a(x)->sh[0];
usz csz = arr_csz(x);
usz i = 0;
BS2B slice = TI(x).slice;
usz p = 0;
HArr_p r = m_harrs(cam, &i);
if (rnk(x)==2) {
for (; i < cam; i++) {
B s = slice(inc(x), p);
arr_shVec(s, csz);
r.a[i] = s;
p+= csz;
}
} else {
usz cr = rnk(x)-1;
ShArr* csh = m_shArr(cr);
usz* xsh = a(x)->sh;
for (i32 i = 0; i < cr; i++) csh->a[i] = xsh[i+1];
for (; i < cam; i++) {
B s = slice(inc(x), p);
arr_shSetI(s, csz, cr, csh);
r.a[i] = s;
p+= csz;
}
ptr_dec(csh);
}
dec(x);
return harr_fv(r);
}
B toKCells(B x, ur k) {
assert(isArr(x) && k<=rnk(x) && k>=0);
ur xr = rnk(x); usz* xsh = a(x)->sh;
ur cr = xr-k;
usz cam = 1; for (i32 i = 0; i < k ; i++) cam*= xsh[i];
usz csz = 1; for (i32 i = k; i < xr; i++) csz*= xsh[i];
ShArr* csh;
if (cr>1) {
csh = m_shArr(cr);
for (i32 i = 0; i < cr; i++) csh->a[i] = xsh[i+k];
}
usz i = 0;
usz p = 0;
HArr_p r = m_harrs(cam, &i);
BS2B slice = TI(x).slice;
for (; i < cam; i++) {
B s = slice(inc(x), p);
arr_shSetI(s, csz, cr, csh);
r.a[i] = s;
p+= csz;
}
if (cr>1) ptr_dec(csh);
usz* rsh = harr_fa(r, k);
if (rsh) for (i32 i = 0; i < k; i++) rsh[i] = xsh[i];
dec(x);
return r.b;
}
HArr* toHArr(B x) {
if (v(x)->type==t_harr) return c(HArr,x);
HArr_p r = m_harrUc(x);
usz ia = r.c->ia;
BS2B xget = TI(x).get;
for (usz i = 0; i < ia; i++) r.a[i] = xget(x,i);
dec(x);
return r.c;
}
NOINLINE B m_caB(usz ia, B* a) {
HArr_p r = m_harrUv(ia);
for (usz i = 0; i < ia; i++) r.a[i] = a[i];
return r.b;
}
NOINLINE void harr_pfree(B x, usz am) { // am - item after last written
assert(v(x)->type==t_harr);
B* p = harr_ptr(x);
for (usz i = 0; i < am; i++) dec(p[i]);
mm_free(v(x));
}
B m_hslice(B p, B* ptr) {
HSlice* r = mm_allocN(sizeof(HSlice), t_hslice);
r->p = p;
r->a = ptr;
return tag(r, ARR_TAG);
}
B harr_slice (B x, usz s) {return m_hslice(x , c(HArr ,x)->a+s); }
B hslice_slice(B x, usz s) { B r = m_hslice(inc(c(Slice,x)->p), c(HSlice,x)->a+s); dec(x); return r; }
B harr_get (B x, usz n) { VTY(x,t_harr ); return inc(c(HArr ,x)->a[n]); }
B hslice_get (B x, usz n) { VTY(x,t_hslice); return inc(c(HSlice,x)->a[n]); }
B harr_getU (B x, usz n) { VTY(x,t_harr ); return c(HArr ,x)->a[n] ; }
B hslice_getU(B x, usz n) { VTY(x,t_hslice); return c(HSlice,x)->a[n] ; }
void harr_free(Value* x) {
decSh(x);
B* p = ((HArr*)x)->a; // don't use harr_ptr so type isn't checked
usz ia = ((Arr*)x)->ia;
for (usz i = 0; i < ia; i++) dec(p[i]);
}
void harr_visit(Value* x) {
usz ia = ((Arr*)x)->ia; B* p = ((HArr*)x)->a;
for (usz i = 0; i < ia; i++) mm_visit(p[i]);
}
bool harr_canStore(B x) { return true; }
void harrP_free(Value* x) { assert(x->type==t_harrPartial|x->type==t_freed);
assert(prnk(x)>1? true : ((Arr*)x)->sh!=&((Arr*)x)->ia);
B* p = ((HArr*)x)->a;
usz am = *((HArr*)x)->sh;
// printf("partfree %d/%d %p\n", am, a(x)->ia, (void*)x.u);
for (usz i = 0; i < am; i++) dec(p[i]);
}
void harrP_visit(Value* x) { assert(x->type==t_harrPartial);
assert(prnk(x)>1? true : ((Arr*)x)->sh!=&((Arr*)x)->ia);
B* p = ((HArr*)x)->a;
usz am = *((HArr*)x)->sh;
for (usz i = 0; i < am; i++) mm_visit(p[i]);
}
B harrP_get(B x, usz n) { return err("getting item from t_harrPartial"); }
void harrP_print(B x) {
B* p = c(HArr,x)->a;
usz am = *c(HArr,x)->sh;
usz ia = a(x)->ia;
printf("(partial HArr %d/%d %p %p: ?⥊⟨", am, ia, c(HArr,x)->sh, &a(x)->ia);
for (usz i = 0; i < ia; i++) {
if (i) printf(", ");
if (i>=am) printf("(…)\n");
else print(p[i]);
}
printf("⟩)");
}
void harr_init() {
ti[t_harr].get = harr_get; ti[t_hslice].get = hslice_get; ti[t_harrPartial].get = harrP_get;
ti[t_harr].getU = harr_getU; ti[t_hslice].getU = hslice_getU; ti[t_harrPartial].getU = harrP_get;
ti[t_harr].slice = harr_slice; ti[t_hslice].slice = hslice_slice;
ti[t_harr].free = harr_free; ti[t_hslice].free = slice_free; ti[t_harrPartial].free = harrP_free;
ti[t_harr].visit = harr_visit; ti[t_hslice].visit = slice_visit; ti[t_harrPartial].visit = harrP_visit;
ti[t_harr].print = arr_print; ti[t_hslice].print = arr_print; ti[t_harrPartial].print = harrP_print;
ti[t_harr].isArr = true; ti[t_hslice].isArr = true;
ti[t_harr].canStore = harr_canStore;
bi_emptyHVec = m_harrUv(0).b;
gc_add(bi_emptyHVec);
}