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Minor improvements to Map and StringMap

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This commit is contained in:
gingerBill
2021-07-10 21:51:39 +01:00
parent 8a6b743d2a
commit 6de0181c75
2 changed files with 54 additions and 54 deletions
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46
src/string_map.cpp
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@@ -96,13 +96,13 @@ gb_internal StringMapFindResult string_map__find(StringMap<T> *h, StringHashKey
StringMapFindResult fr = {-1, -1, -1};
if (h->hashes.count > 0) {
fr.hash_index = key.hash % h->hashes.count;
fr.entry_index = h->hashes[fr.hash_index];
fr.entry_index = h->hashes.data[fr.hash_index];
while (fr.entry_index >= 0) {
if (string_hash_key_equal(h->entries[fr.entry_index].key, key)) {
if (string_hash_key_equal(h->entries.data[fr.entry_index].key, key)) {
return fr;
}
fr.entry_prev = fr.entry_index;
fr.entry_index = h->entries[fr.entry_index].next;
fr.entry_index = h->entries.data[fr.entry_index].next;
}
}
return fr;
@@ -113,13 +113,13 @@ gb_internal StringMapFindResult string_map__find_from_entry(StringMap<T> *h, Str
StringMapFindResult fr = {-1, -1, -1};
if (h->hashes.count > 0) {
fr.hash_index = e->key.hash % h->hashes.count;
fr.entry_index = h->hashes[fr.hash_index];
fr.entry_index = h->hashes.data[fr.hash_index];
while (fr.entry_index >= 0) {
if (&h->entries[fr.entry_index] == e) {
if (&h->entries.data[fr.entry_index] == e) {
return fr;
}
fr.entry_prev = fr.entry_index;
fr.entry_index = h->entries[fr.entry_index].next;
fr.entry_index = h->entries.data[fr.entry_index].next;
}
}
return fr;
@@ -147,10 +147,10 @@ void string_map_rehash(StringMap<T> *h, isize new_count) {
array_resize(&nh.hashes, new_count);
array_reserve(&nh.entries, h->entries.count);
for (i = 0; i < new_count; i++) {
nh.hashes[i] = -1;
nh.hashes.data[i] = -1;
}
for (i = 0; i < h->entries.count; i++) {
StringMapEntry<T> *e = &h->entries[i];
StringMapEntry<T> *e = &h->entries.data[i];
StringMapFindResult fr;
if (nh.hashes.count == 0) {
string_map_grow(&nh);
@@ -158,12 +158,12 @@ void string_map_rehash(StringMap<T> *h, isize new_count) {
fr = string_map__find(&nh, e->key);
j = string_map__add_entry(&nh, e->key);
if (fr.entry_prev < 0) {
nh.hashes[fr.hash_index] = j;
nh.hashes.data[fr.hash_index] = j;
} else {
nh.entries[fr.entry_prev].next = j;
nh.entries.data[fr.entry_prev].next = j;
}
nh.entries[j].next = fr.entry_index;
nh.entries[j].value = e->value;
nh.entries.data[j].next = fr.entry_index;
nh.entries.data[j].value = e->value;
if (string_map__full(&nh)) {
string_map_grow(&nh);
}
@@ -176,7 +176,7 @@ template <typename T>
T *string_map_get(StringMap<T> *h, StringHashKey const &key) {
isize index = string_map__find(h, key).entry_index;
if (index >= 0) {
return &h->entries[index].value;
return &h->entries.data[index].value;
}
return nullptr;
}
@@ -195,7 +195,7 @@ template <typename T>
T &string_map_must_get(StringMap<T> *h, StringHashKey const &key) {
isize index = string_map__find(h, key).entry_index;
GB_ASSERT(index >= 0);
return h->entries[index].value;
return h->entries.data[index].value;
}
template <typename T>
@@ -221,12 +221,12 @@ void string_map_set(StringMap<T> *h, StringHashKey const &key, T const &value) {
} else {
index = string_map__add_entry(h, key);
if (fr.entry_prev >= 0) {
h->entries[fr.entry_prev].next = index;
h->entries.data[fr.entry_prev].next = index;
} else {
h->hashes[fr.hash_index] = index;
h->hashes.data[fr.hash_index] = index;
}
}
h->entries[index].value = value;
h->entries.data[index].value = value;
if (string_map__full(h)) {
string_map_grow(h);
@@ -248,20 +248,20 @@ template <typename T>
void string_map__erase(StringMap<T> *h, StringMapFindResult const &fr) {
StringMapFindResult last;
if (fr.entry_prev < 0) {
h->hashes[fr.hash_index] = h->entries[fr.entry_index].next;
h->hashes.data[fr.hash_index] = h->entries.data[fr.entry_index].next;
} else {
h->entries[fr.entry_prev].next = h->entries[fr.entry_index].next;
h->entries.data[fr.entry_prev].next = h->entries.data[fr.entry_index].next;
}
if (fr.entry_index == h->entries.count-1) {
array_pop(&h->entries);
return;
}
h->entries[fr.entry_index] = h->entries[h->entries.count-1];
last = string_map__find(h, h->entries[fr.entry_index].key);
h->entries.data[fr.entry_index] = h->entries.data[h->entries.count-1];
last = string_map__find(h, h->entries.data[fr.entry_index].key);
if (last.entry_prev >= 0) {
h->entries[last.entry_prev].next = fr.entry_index;
h->entries.data[last.entry_prev].next = fr.entry_index;
} else {
h->hashes[last.hash_index] = fr.entry_index;
h->hashes.data[last.hash_index] = fr.entry_index;
}
}