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cleanup traverse_shared

This commit is contained in:
Yuichi Nishiwaki 2015-06-25 17:28:48 +09:00
parent 3004f2106c
commit 37902d38f7
1 changed files with 23 additions and 23 deletions
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46
extlib/benz/write.c
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@ -44,36 +44,36 @@ static void
traverse_shared(struct writer_control *p, pic_value obj)
{
pic_state *pic = p->pic;
khash_t(l) *h = &p->labels;
khiter_t it;
size_t i;
int ret;
switch (pic_type(obj)) {
case PIC_TT_PAIR:
case PIC_TT_VECTOR:
it = kh_put(l, h, pic_obj_ptr(obj), &ret);
if (ret != 0) {
kh_val(h, it) = -1;
}
else if (kh_val(h, it) == -1) {
kh_val(h, it) = p->cnt++;
break;
}
else {
break;
}
case PIC_TT_VECTOR: {
khash_t(l) *h = &p->labels;
khiter_t it;
int ret;
if (pic_pair_p(obj)) {
traverse_shared(p, pic_car(p->pic, obj));
traverse_shared(p, pic_cdr(p->pic, obj));
}
else {
for (i = 0; i < pic_vec_ptr(obj)->len; ++i) {
traverse_shared(p, pic_vec_ptr(obj)->data[i]);
it = kh_put(l, h, pic_ptr(obj), &ret);
if (ret != 0) {
/* first time */
kh_val(h, it) = -1;
if (pic_pair_p(obj)) {
/* pair */
traverse_shared(p, pic_car(pic, obj));
traverse_shared(p, pic_cdr(pic, obj));
} else {
/* vector */
size_t i;
for (i = 0; i < pic_vec_ptr(obj)->len; ++i) {
traverse_shared(p, pic_vec_ptr(obj)->data[i]);
}
}
} else if (kh_val(h, it) == -1) {
/* second time */
kh_val(h, it) = p->cnt++;
}
break;
}
default:
/* pass */
break;