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Merge 4bf7c23e2b into 262b00d5e5

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Robert O'Callahan 2025-07-31 13:22:05 +02:00 • committed by GitHub
commit 40d311e36f
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1 changed files with 41 additions and 15 deletions
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56
kernel/hashlib.h
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@ -451,16 +451,21 @@ class dict {
return 1;
}
int do_lookup(const K &key, Hasher::hash_t &hash) const
int do_lookup(const K &key, Hasher::hash_t &hash)
{
if (hashtable.empty())
return -1;
if (entries.size() * hashtable_size_trigger > hashtable.size()) {
((dict*)this)->do_rehash();
do_rehash();
hash = do_hash(key);
}
return do_lookup_internal(key, hash);
}
int do_lookup_internal(const K &key, Hasher::hash_t hash) const
{
int index = hashtable[hash];
while (index >= 0 && !ops.cmp(entries[index].udata.first, key)) {
@ -471,6 +476,14 @@ class dict {
return index;
}
int do_lookup_no_rehash(const K &key, Hasher::hash_t hash) const
{
if (hashtable.empty())
return -1;
return do_lookup_internal(key, hash);
}
int do_insert(const K &key, Hasher::hash_t &hash)
{
if (hashtable.empty()) {
@ -694,14 +707,14 @@ public:
int count(const K &key) const
{
Hasher::hash_t hash = do_hash(key);
int i = do_lookup(key, hash);
int i = do_lookup_no_rehash(key, hash);
return i < 0 ? 0 : 1;
}
int count(const K &key, const_iterator it) const
{
Hasher::hash_t hash = do_hash(key);
int i = do_lookup(key, hash);
int i = do_lookup_no_rehash(key, hash);
return i < 0 || i > it.index ? 0 : 1;
}
@ -717,7 +730,7 @@ public:
const_iterator find(const K &key) const
{
Hasher::hash_t hash = do_hash(key);
int i = do_lookup(key, hash);
int i = do_lookup_no_rehash(key, hash);
if (i < 0)
return end();
return const_iterator(this, i);
@ -735,7 +748,7 @@ public:
const T& at(const K &key) const
{
Hasher::hash_t hash = do_hash(key);
int i = do_lookup(key, hash);
int i = do_lookup_no_rehash(key, hash);
if (i < 0)
throw std::out_of_range("dict::at()");
return entries[i].udata.second;
@ -744,7 +757,7 @@ public:
const T& at(const K &key, const T &defval) const
{
Hasher::hash_t hash = do_hash(key);
int i = do_lookup(key, hash);
int i = do_lookup_no_rehash(key, hash);
if (i < 0)
return defval;
return entries[i].udata.second;
@ -906,16 +919,21 @@ protected:
return 1;
}
int do_lookup(const K &key, Hasher::hash_t &hash) const
int do_lookup(const K &key, Hasher::hash_t &hash)
{
if (hashtable.empty())
return -1;
if (entries.size() * hashtable_size_trigger > hashtable.size()) {
((pool*)this)->do_rehash();
do_rehash();
hash = do_hash(key);
}
return do_lookup_internal(key, hash);
}
int do_lookup_internal(const K &key, Hasher::hash_t hash) const
{
int index = hashtable[hash];
while (index >= 0 && !ops.cmp(entries[index].udata, key)) {
@ -926,6 +944,14 @@ protected:
return index;
}
int do_lookup_no_rehash(const K &key, Hasher::hash_t hash) const
{
if (hashtable.empty())
return -1;
return do_lookup_internal(key, hash);
}
int do_insert(const K &value, Hasher::hash_t &hash)
{
if (hashtable.empty()) {
@ -1087,14 +1113,14 @@ public:
int count(const K &key) const
{
Hasher::hash_t hash = do_hash(key);
int i = do_lookup(key, hash);
int i = do_lookup_no_rehash(key, hash);
return i < 0 ? 0 : 1;
}
int count(const K &key, const_iterator it) const
{
Hasher::hash_t hash = do_hash(key);
int i = do_lookup(key, hash);
int i = do_lookup_no_rehash(key, hash);
return i < 0 || i > it.index ? 0 : 1;
}
@ -1110,7 +1136,7 @@ public:
const_iterator find(const K &key) const
{
Hasher::hash_t hash = do_hash(key);
int i = do_lookup(key, hash);
int i = do_lookup_no_rehash(key, hash);
if (i < 0)
return end();
return const_iterator(this, i);
@ -1222,7 +1248,7 @@ public:
int at(const K &key) const
{
Hasher::hash_t hash = database.do_hash(key);
int i = database.do_lookup(key, hash);
int i = database.do_lookup_no_rehash(key, hash);
if (i < 0)
throw std::out_of_range("idict::at()");
return i + offset;
@ -1231,7 +1257,7 @@ public:
int at(const K &key, int defval) const
{
Hasher::hash_t hash = database.do_hash(key);
int i = database.do_lookup(key, hash);
int i = database.do_lookup_no_rehash(key, hash);
if (i < 0)
return defval;
return i + offset;
@ -1240,7 +1266,7 @@ public:
int count(const K &key) const
{
Hasher::hash_t hash = database.do_hash(key);
int i = database.do_lookup(key, hash);
int i = database.do_lookup_no_rehash(key, hash);
return i < 0 ? 0 : 1;
}