krgamestudios/Toy
1
0
Fork 0
mirror of https://github.com/krgamestudios/Toy.git synced 2026-04-15 14:54:07 +10:00
Code Issues Packages Projects Releases Wiki Activity

Tweaks to dictionary for performance

Browse Source
This commit is contained in:
Kayne Ruse
2023-02-24 22:13:50 +11:00
parent c88c1b125d
commit 3aeddff736
3 changed files with 13 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
source/toy_literal_dictionary.c
View File

@@ -17,6 +17,10 @@ static void setEntryValues(Toy_private_dictionary_entry* entry, Toy_Literal key,
}
static Toy_private_dictionary_entry* getEntryArray(Toy_private_dictionary_entry* array, int capacity, Toy_Literal key, unsigned int hash, bool mustExist) {
if (!capacity) {
return NULL;
}
//find "key", starting at index
unsigned int index = hash % capacity;
unsigned int start = index;
@@ -122,10 +126,10 @@ static void freeEntryArray(Toy_private_dictionary_entry* array, int capacity) {
void Toy_initLiteralDictionary(Toy_LiteralDictionary* dictionary) {
//HACK: because modulo by 0 is undefined, set the capacity to a non-zero value (and allocate the arrays)
dictionary->entries = NULL;
dictionary->capacity = TOY_GROW_CAPACITY(0);
dictionary->capacity = 0;
dictionary->contains = 0;
dictionary->count = 0;
adjustEntryCapacity(&dictionary->entries, 0, dictionary->capacity);
dictionary->capacity = 0;
}
void Toy_freeLiteralDictionary(Toy_LiteralDictionary* dictionary) {
@@ -215,5 +219,5 @@ void Toy_removeLiteralDictionary(Toy_LiteralDictionary* dictionary, Toy_Literal
bool Toy_existsLiteralDictionary(Toy_LiteralDictionary* dictionary, Toy_Literal key) {
//null & not tombstoned
Toy_private_dictionary_entry* entry = getEntryArray(dictionary->entries, dictionary->capacity, key, Toy_hashLiteral(key), false);
return !(TOY_IS_NULL(entry->key) && TOY_IS_NULL(entry->value));
return entry != NULL && !(TOY_IS_NULL(entry->key) && TOY_IS_NULL(entry->value));
}