static int kplib_sort_pairs(ktap_state *ks)
{
ktap_value *v = kp_arg(ks, 1);
ktap_closure *cmp_func = NULL;
ktap_tab *t;
if (is_table(v)) {
t = hvalue(v);
} else if (is_ptable(v)) {
t = kp_ptab_synthesis(ks, phvalue(v));
} else if (is_nil(v)) {
kp_error(ks, "table is nil in pairs\n");
return 0;
} else {
kp_error(ks, "wrong argument for pairs\n");
return 0;
}
if (kp_arg_nr(ks) > 1) {
kp_arg_check(ks, 2, KTAP_TYPE_FUNCTION);
cmp_func = clvalue(kp_arg(ks, 2));
}
kp_tab_sort(ks, t, cmp_func);
set_cfunction(ks->top++, table_sort_iter_next);
set_table(ks->top++, t);
set_nil(ks->top++);
return 3;
}
static int kplib_histogram(ktap_state *ks)
{
ktap_value *v = kp_arg(ks, 1);
if (is_table(v))
kp_tab_histogram(ks, hvalue(v));
else if (is_ptable(v))
kp_ptab_histogram(ks, phvalue(v));
return 0;
}
static int kplib_histogram(ktap_state *ks)
{
ktap_value *v = kp_arg(ks, 1);
int n = HISTOGRAM_DEFAULT_TOP_NUM;
if (kp_arg_nr(ks) >= 2) {
kp_arg_check(ks, 2, KTAP_TYPE_NUMBER);
n = nvalue(kp_arg(ks, 2));
if (n > 1000)
n = 1000;
}
n = max(n, HISTOGRAM_DEFAULT_TOP_NUM);
if (is_table(v))
kp_tab_histogram(ks, hvalue(v), n);
else if (is_ptable(v))
kp_ptab_histogram(ks, phvalue(v), n);
return 0;
}
static int kplib_pairs(ktap_state *ks)
{
ktap_value *v = kp_arg(ks, 1);
ktap_tab *t;
if (is_table(v)) {
t = hvalue(v);
} else if (is_ptable(v)) {
t = kp_ptab_synthesis(ks, phvalue(v));
} else if (is_nil(v)) {
kp_error(ks, "table is nil in pairs\n");
return 0;
} else {
kp_error(ks, "wrong argument for pairs\n");
return 0;
}
set_cfunction(ks->top++, table_iter_next);
set_table(ks->top++, t);
set_nil(ks->top++);
return 3;
}
