Box* seqiterNext(Box* s) {
RELEASE_ASSERT(s->cls == seqiter_cls || s->cls == seqreviter_cls, "");
BoxedSeqIter* self = static_cast<BoxedSeqIter*>(s);
if (!self->next) {
Box* hasnext = NULL;
if (s->cls == seqiter_cls)
hasnext = seqiterHasnext(s);
else if (s->cls == seqreviter_cls)
hasnext = seqreviterHasnext(s);
else
RELEASE_ASSERT(0, "");
if (hasnext == False)
raiseExcHelper(StopIteration, "");
}
RELEASE_ASSERT(self->next, "");
Box* r = self->next;
self->next = NULL;
return r;
}
llvm_compat_bool seqiterHasnextUnboxed(Box* s) {
return unboxBool(autoDecref(seqiterHasnext(s)));
}
