// slicearray(old *any, nel uint64, lb uint64, hb uint64, width uint64) (ary []any);
void
runtime·slicearray(byte* old, uint64 nel, uint64 lb, uint64 hb, uint64 width, Slice ret)
{
if(nel > 0 && old == nil) {
// crash if old == nil.
// could give a better message
// but this is consistent with all the in-line checks
// that the compiler inserts for other uses.
*old = 0;
}
if(hb > nel || lb > hb) {
if(debug) {
runtime·prints("runtime.slicearray: old=");
runtime·printpointer(old);
runtime·prints("; nel=");
runtime·printint(nel);
runtime·prints("; lb=");
runtime·printint(lb);
runtime·prints("; hb=");
runtime·printint(hb);
runtime·prints("; width=");
runtime·printint(width);
runtime·prints("\n");
}
runtime·panicslice();
}
// new array is inside old array
ret.len = hb-lb;
ret.cap = nel-lb;
ret.array = old + lb*width;
FLUSH(&ret);
if(debug) {
runtime·prints("runtime.slicearray: old=");
runtime·printpointer(old);
runtime·prints("; nel=");
runtime·printint(nel);
runtime·prints("; lb=");
runtime·printint(lb);
runtime·prints("; hb=");
runtime·printint(hb);
runtime·prints("; width=");
runtime·printint(width);
runtime·prints("; ret=");
runtime·printslice(ret);
runtime·prints("\n");
}
}
void
runtime·slicestring1(String si, int32 lindex, String so)
{
#line 3569 "C:\Go\src\pkg\runtime\string.goc"
int32 l;
if(lindex < 0 || lindex > si.len) {
runtime·panicslice();
}
l = si.len-lindex;
so.str = si.str + lindex;
so.len = l;
FLUSH(&so);
}
// sliceslice(old []any, lb uint64, hb uint64, width uint64) (ary []any);
void
runtime·sliceslice(Slice old, uint64 lb, uint64 hb, uint64 width, Slice ret)
{
if(hb > old.cap || lb > hb) {
if(debug) {
runtime·prints("runtime.sliceslice: old=");
runtime·printslice(old);
runtime·prints("; lb=");
runtime·printint(lb);
runtime·prints("; hb=");
runtime·printint(hb);
runtime·prints("; width=");
runtime·printint(width);
runtime·prints("\n");
runtime·prints("oldarray: nel=");
runtime·printint(old.len);
runtime·prints("; cap=");
runtime·printint(old.cap);
runtime·prints("\n");
}
runtime·panicslice();
}
// new array is inside old array
ret.len = hb - lb;
ret.cap = old.cap - lb;
ret.array = old.array + lb*width;
FLUSH(&ret);
if(debug) {
runtime·prints("runtime.sliceslice: old=");
runtime·printslice(old);
runtime·prints("; lb=");
runtime·printint(lb);
runtime·prints("; hb=");
runtime·printint(hb);
runtime·prints("; width=");
runtime·printint(width);
runtime·prints("; ret=");
runtime·printslice(ret);
runtime·prints("\n");
}
}