int tp_lua_hash(void const *v,int l) {
int i,step = (l>>5)+1;
int h = l + (l >= 4?*(int*)v:0);
for (i=l; i>=step; i-=step) {
h = h^((h<<5)+(h>>2)+((unsigned char *)v)[i-1]);
}
return h;
}
void _tp_dict_free(_tp_dict *self) {
tp_free(self->items);
tp_free(self);
}
/* void _tp_dict_reset(_tp_dict *self) {
memset(self->items,0,self->alloc*sizeof(tp_item));
self->len = 0;
self->used = 0;
self->cur = 0;
}*/
int tp_hash(TP,tp_obj v) {
switch (v.type) {
case TP_NONE: return 0;
case TP_NUMBER: return tp_lua_hash(&v.number.val,sizeof(tp_num));
case TP_STRING: return tp_lua_hash(v.string.val,v.string.len);
case TP_DICT: return tp_lua_hash(&v.dict.val,sizeof(void*));
case TP_LIST: {
int r = v.list.val->len; int n; for(n=0; n<v.list.val->len; n++) {
tp_obj vv = v.list.val->items[n]; r += vv.type != TP_LIST?tp_hash(tp,v.list.val->items[n]):tp_lua_hash(&vv.list.val,sizeof(void*)); } return r;
}
case TP_FNC: return tp_lua_hash(&v.fnc.info,sizeof(void*));
case TP_DATA: return tp_lua_hash(&v.data.val,sizeof(void*));
}
tp_raise(0,"tp_hash(%s)",TP_CSTR(v));
}
void _tp_dict_hash_set(TP,_tp_dict *self, int hash, tp_obj k, tp_obj v) {
tp_item item;
int i,idx = hash&self->mask;
for (i=idx; i<idx+self->alloc; i++) {
int n = i&self->mask;
if (self->items[n].used > 0) { continue; }
if (self->items[n].used == 0) { self->used += 1; }
item.used = 1;
item.hash = hash;
item.key = k;
item.val = v;
self->items[n] = item;
self->len += 1;
return;
}
tp_raise(,"_tp_dict_hash_set(%d,%d,%s,%s)",self,hash,TP_CSTR(k),TP_CSTR(v));
}
void _tp_dict_tp_realloc(TP,_tp_dict *self,int len) {
tp_item *items = self->items;
int i,alloc = self->alloc;
len = _tp_max(8,len);
self->items = (tp_item*)tp_malloc(len*sizeof(tp_item));
self->alloc = len; self->mask = len-1;
self->len = 0; self->used = 0;
for (i=0; i<alloc; i++) {
if (items[i].used != 1) { continue; }
_tp_dict_hash_set(tp,self,items[i].hash,items[i].key,items[i].val);
}
tp_free(items);
}
int _tp_dict_hash_find(TP,_tp_dict *self, int hash, tp_obj k) {
int i,idx = hash&self->mask;
for (i=idx; i<idx+self->alloc; i++) {
int n = i&self->mask;
if (self->items[n].used == 0) { break; }
if (self->items[n].used < 0) { continue; }
if (self->items[n].hash != hash) { continue; }
if (tp_cmp(tp,self->items[n].key,k) != 0) { continue; }
return n;
}
return -1;
}
int _tp_dict_find(TP,_tp_dict *self,tp_obj k) {
return _tp_dict_hash_find(tp,self,tp_hash(tp,k),k);
}
void _tp_dict_setx(TP,_tp_dict *self,tp_obj k, tp_obj v) {
int hash = tp_hash(tp,k); int n = _tp_dict_hash_find(tp,self,hash,k);
if (n == -1) {
if (self->len >= (self->alloc/2)) {
_tp_dict_tp_realloc(tp,self,self->alloc*2);
} else if (self->used >= (self->alloc*3/4)) {
_tp_dict_tp_realloc(tp,self,self->alloc);
}
_tp_dict_hash_set(tp,self,hash,k,v);
} else {
self->items[n].val = v;
}
}
void _tp_dict_set(TP,_tp_dict *self,tp_obj k, tp_obj v) {
_tp_dict_setx(tp,self,k,v);
tp_grey(tp,k); tp_grey(tp,v);
}
tp_obj _tp_dict_get(TP,_tp_dict *self,tp_obj k, const char *error) {
int n = _tp_dict_find(tp,self,k);
if (n < 0) {
tp_raise(tp_None,"%s: KeyError: %s\n",error,TP_CSTR(k));
}
return self->items[n].val;
}
void _tp_dict_del(TP,_tp_dict *self,tp_obj k, const char *error) {
int n = _tp_dict_find(tp,self,k);
if (n < 0) { tp_raise(,"%s: KeyError: %s\n",error,TP_CSTR(k)); }
self->items[n].used = -1;
self->len -= 1;
}
_tp_dict *_tp_dict_new(void) {
_tp_dict *self = (_tp_dict*)tp_malloc(sizeof(_tp_dict));
return self;
}
tp_obj _tp_dict_copy(TP,tp_obj rr) {
tp_obj obj = {TP_DICT};
_tp_dict *o = rr.dict.val;
_tp_dict *r = _tp_dict_new();
*r = *o; r->gci = 0;
r->items = (tp_item*)tp_malloc(sizeof(tp_item)*o->alloc);
memcpy(r
->items
,o
->items
,sizeof(tp_item
)*o
->alloc
); obj.dict.val = r;
return tp_track(tp,obj);
}
int _tp_dict_next(TP,_tp_dict *self) {
if (!self->len) { tp_raise(0,"_tp_dict_next(...)",0); }
while (1) {
self->cur = ((self->cur + 1) & self->mask);
if (self->items[self->cur].used > 0) {
return self->cur;
}
}
}
tp_obj tp_merge(TP) {
tp_obj self = TP_OBJ();
tp_obj v = TP_OBJ();
int i; for (i=0; i<v.dict.val->len; i++) {
int n = _tp_dict_next(tp,v.dict.val);
_tp_dict_set(tp,self.dict.val,
v.dict.val->items[n].key,v.dict.val->items[n].val);
}
return tp_None;
}
volatile tp_obj tp_dict(TP) {
tp_obj r = {TP_DICT};
r.dict.val = _tp_dict_new();
return tp ? tp_track(tp,r) : r;
}
tp_obj tp_dict_n(TP,int n, tp_obj* argv) {
tp_obj r = tp_dict(tp);
int i; for (i=0; i<n; i++) { tp_set(tp,r,argv[i*2],argv[i*2+1]); }
return r;
}