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Change map index types to u32 from isize

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gingerBill
2021-11-05 12:51:28 +00:00
parent 1a75a71403
commit e963fc4d6a
3 changed files with 31 additions and 34 deletions
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29
src/string_map.cpp
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@@ -1,6 +1,6 @@
// NOTE(bill): This util stuff is the same for every `Map`
typedef isize StringMapIndex;
typedef u32 StringMapIndex;
struct StringMapFindResult {
StringMapIndex hash_index;
@@ -40,14 +40,14 @@ bool operator!=(StringHashKey const &a, StringHashKey const &b) { return !string
template <typename T>
struct StringMapEntry {
StringHashKey key;
isize next;
T value;
StringHashKey key;
StringMapIndex next;
T value;
};
template <typename T>
struct StringMap {
Slice<isize> hashes;
Slice<StringMapIndex> hashes;
Array<StringMapEntry<T> > entries;
};
@@ -90,19 +90,19 @@ gb_inline void string_map_destroy(StringMap<T> *h) {
}
template <typename T>
gb_internal isize string_map__add_entry(StringMap<T> *h, StringHashKey const &key) {
gb_internal StringMapIndex string_map__add_entry(StringMap<T> *h, StringHashKey const &key) {
StringMapEntry<T> e = {};
e.key = key;
e.next = STRING_MAP_SENTINEL;
array_add(&h->entries, e);
return h->entries.count-1;
return cast(StringMapIndex)(h->entries.count-1);
}
template <typename T>
gb_internal StringMapFindResult string_map__find(StringMap<T> *h, StringHashKey const &key) {
StringMapFindResult fr = {STRING_MAP_SENTINEL, STRING_MAP_SENTINEL, STRING_MAP_SENTINEL};
if (h->hashes.count != 0) {
fr.hash_index = key.hash & (h->hashes.count-1);
fr.hash_index = cast(StringMapIndex)(key.hash & (h->hashes.count-1));
fr.entry_index = h->hashes.data[fr.hash_index];
while (fr.entry_index != STRING_MAP_SENTINEL) {
if (string_hash_key_equal(h->entries.data[fr.entry_index].key, key)) {
@@ -119,7 +119,7 @@ template <typename T>
gb_internal StringMapFindResult string_map__find_from_entry(StringMap<T> *h, StringMapEntry<T> *e) {
StringMapFindResult fr = {STRING_MAP_SENTINEL, STRING_MAP_SENTINEL, STRING_MAP_SENTINEL};
if (h->hashes.count != 0) {
fr.hash_index = e->key.hash & (h->hashes.count-1);
fr.hash_index = cast(StringMapIndex)(e->key.hash & (h->hashes.count-1));
fr.entry_index = h->hashes.data[fr.hash_index];
while (fr.entry_index != STRING_MAP_SENTINEL) {
if (&h->entries.data[fr.entry_index] == e) {
@@ -146,19 +146,18 @@ gb_inline void string_map_grow(StringMap<T> *h) {
template <typename T>
void string_map_reset_entries(StringMap<T> *h) {
isize i;
for (i = 0; i < h->hashes.count; i++) {
for (isize i = 0; i < h->hashes.count; i++) {
h->hashes.data[i] = STRING_MAP_SENTINEL;
}
for (i = 0; i < h->entries.count; i++) {
for (isize i = 0; i < h->entries.count; i++) {
StringMapFindResult fr;
StringMapEntry<T> *e = &h->entries.data[i];
e->next = STRING_MAP_SENTINEL;
fr = string_map__find_from_entry(h, e);
if (fr.entry_prev == STRING_MAP_SENTINEL) {
h->hashes[fr.hash_index] = i;
h->hashes[fr.hash_index] = cast(StringMapIndex)i;
} else {
h->entries[fr.entry_prev].next = i;
h->entries[fr.entry_prev].next = cast(StringMapIndex)i;
}
}
}
@@ -217,7 +216,7 @@ gb_inline T &string_map_must_get(StringMap<T> *h, char const *key) {
template <typename T>
void string_map_set(StringMap<T> *h, StringHashKey const &key, T const &value) {
isize index;
StringMapIndex index;
StringMapFindResult fr;
if (h->hashes.count == 0) {
string_map_grow(h);