ktap_proto *kp_obj_newproto(ktap_state *ks)
{
ktap_proto *f;
f = (ktap_proto *)kp_obj_newobject(ks, KTAP_TYPE_PROTO, sizeof(*f), NULL);
f->k = NULL;
f->sizek = 0;
f->p = NULL;
f->sizep = 0;
f->code = NULL;
f->cache = NULL;
f->sizecode = 0;
f->lineinfo = NULL;
f->sizelineinfo = 0;
f->upvalues = NULL;
f->sizeupvalues = 0;
f->numparams = 0;
f->is_vararg = 0;
f->maxstacksize = 0;
f->locvars = NULL;
f->sizelocvars = 0;
f->linedefined = 0;
f->lastlinedefined = 0;
f->source = NULL;
return f;
}
ktap_upval *kp_obj_newupval(ktap_state *ks)
{
ktap_upval *uv;
uv = &kp_obj_newobject(ks, KTAP_TYPE_UPVAL, sizeof(ktap_upval), NULL)->uv;
uv->v = &uv->u.value;
set_nil(uv->v);
return uv;
}
ktap_cdata_t *kp_cdata_new(ktap_state_t *ks, csymbol_id id)
{
ktap_cdata_t *cd;
cd = &kp_obj_newobject(ks, KTAP_TYPE_CDATA, sizeof(ktap_cdata_t), NULL)->cd;
cd_set_csym_id(cd, id);
return cd;
}
static ktap_btrace *kp_obj_newbacktrace(ktap_state *ks, int nr_entries,
ktap_gcobject **list)
{
ktap_btrace *bt;
int size = sizeof(ktap_btrace) + nr_entries * sizeof(unsigned long);
bt = &kp_obj_newobject(ks, KTAP_TYPE_BTRACE, size, list)->bt;
bt->nr_entries = nr_entries;
return bt;
}
ktap_closure *kp_obj_newclosure(ktap_state *ks, int n)
{
ktap_closure *cl;
int size = sizeof(ktap_closure) + sizeof(ktap_upval *) * (n - 1);
cl = (ktap_closure *)kp_obj_newobject(ks, KTAP_TYPE_CLOSURE, size, NULL);
cl->p = NULL;
cl->nupvalues = n;
while (n--)
cl->upvals[n] = NULL;
return cl;
}
/*
* allocate raw object with size.
* The raw object allocated will be free when ktap thread exit,
* so user don't have to free it.
*/
void *kp_rawobj_alloc(ktap_state *ks, int size)
{
ktap_rawobj *obj;
void *addr;
addr = kp_zalloc(ks, size);
if (unlikely(!addr)) {
kp_error(ks, "alloc raw object size %d failed\n", size);
return NULL;
}
obj = &kp_obj_newobject(ks, KTAP_TYPE_RAW, sizeof(ktap_rawobj), NULL)->rawobj;
if (unlikely(!obj)) {
kp_free(ks, addr);
kp_error(ks, "alloc raw object failed\n");
return NULL;
}
obj->v = addr;
/* return address of allocated memory, not raw object */
return addr;
}