in src/ujdecode.c [300:307]
static JSOBJ newLong(void *context, JSINT64 value)
{
struct DecoderState *ds = context;
LongLongValue *llv = (LongLongValue *) alloc(ds, sizeof(LongLongValue));
llv->item.type = UJT_LongLong;
llv->value = (long long) value;
return (JSOBJ) llv;
}