Simplify DqnArray usage (zero is init), add multi-insert
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8c34a0e6d1
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6998fb84de
168
dqn.h
168
dqn.h
@ -929,7 +929,6 @@ DQN_FILE_SCOPE void *DqnMem_Realloc(void *memory, const usize newSize);
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DQN_FILE_SCOPE void DqnMem_Free (void *memory);
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DQN_FILE_SCOPE void DqnMem_Copy (void *const dest, void const *const src, i64 const numBytesToCopy);
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DQN_FILE_SCOPE void *DqnMem_Set (void *const dest, u8 const value, i64 const numBytesToSet);
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DQN_FILE_SCOPE void *DqnMem_Set64 (void *const dest, u8 const value, i64 const numBytesToSet);
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// #DqnMemAPI API
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// =================================================================================================
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@ -1019,25 +1018,25 @@ FILE_SCOPE DqnMemAPI *DQN_DEFAULT_HEAP_ALLOCATOR = &DQN_DEFAULT_HEAP_ALLOCATOR_;
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template <typename T>
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struct DqnArray
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{
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DqnMemAPI *memAPI;
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isize count;
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isize max;
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T *data;
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DqnMemAPI *memAPI; // R/Write: The allocation scheme used, if null, it gets set to DQN_DEFAULT_HEAP_ALLOCATOR
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isize count; // Read: The number of item in the array
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isize max; // Read: Maximum size of array
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T *data; // Read: Item storage
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DqnArray() = default; // Zero Is Initialisation
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DqnArray(DqnMemAPI *memAPI_) { *this = {}; this->memAPI = memAPI_; }
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// API
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// =============================================================================================
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void Init (T *const data_, isize max_, isize count_ = 0);
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void Init (DqnMemAPI *const memAPI_ = DQN_DEFAULT_HEAP_ALLOCATOR);
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void Init (DqnMemStack *const stack);
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bool InitSize (isize size_, DqnMemAPI *const memAPI_ = DQN_DEFAULT_HEAP_ALLOCATOR);
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bool InitSize (isize size_, DqnMemStack *const stack);
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void UseMemory (T *data_, isize max_, isize count_ = 0) { this->memAPI = nullptr; this->data = data_; this->max = max_; this->count = count_; }
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void Free ();
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bool Resize (isize newMax); // If (newMax < count), it will destroy the left over elements.
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bool Reserve (isize newMax); // If (newMax <= count) true is returned. False is returned only if out of memory.
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bool Grow (isize multiplier = 2);
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T *Make (); // Get a ptr to the next free element in the array, increment count.
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T *Push (T const *item, isize num);
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T *Push (T const item);
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T *Make (isize num = 1); // Increment array count by num and return a ptr to the start of an array of num elements.
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T *Push (T const *item, isize num); // return: Last element pushed (this->data + this->count - 1), or null if out of memory.
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T *Push (T const item); // return: Last element pushed (this->data + this->count - 1), or null if out of memory.
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T *Insert (T const *item, isize numItems, isize index);
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T *Insert (T const item, isize index);
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void Pop ();
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T *Peek ();
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@ -1267,44 +1266,6 @@ inline void DqnMemStack_TempRegionEnd (DqnMemSt
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inline DqnMemStack::TempRegionGuard_ DqnMemStack_TempRegionGuard (DqnMemStack *me) { return me->TempRegionGuard(); }
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inline void DqnMemStack_TempRegionKeepChanges(DqnMemStack *me, DqnMemStack::TempRegion region) { me->TempRegionKeepChanges(region); }
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template <typename T>
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void DqnArray<T>::Init(DqnMemAPI *const memAPI_)
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{
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memAPI = memAPI_;
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count = max = 0;
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data = nullptr;
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}
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template <typename T>
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void DqnArray<T>::Init(T *data_, isize max_, isize count_)
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{
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DQN_ASSERT(data_);
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memAPI = nullptr;
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count = count_;
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max = max_;
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data = data_;
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}
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template <typename T>
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void DqnArray<T>::Init(DqnMemStack *const stack)
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{
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this->Init(stack->myHeadAPI);
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}
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template <typename T>
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bool DqnArray<T>::InitSize(isize size_, DqnMemAPI *const memAPI_)
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{
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this->Init(memAPI_);
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bool result = this->Resize(size_);
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return result;
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}
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template <typename T>
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bool DqnArray<T>::InitSize(isize size_, DqnMemStack *const stack)
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{
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bool result = this->InitSize(size_, &stack->myHeadAPI);
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return result;
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}
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// Implementation taken from Milton, developed by Serge at
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// https://github.com/serge-rgb/milton#license
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@ -1318,40 +1279,28 @@ void DqnArray<T>::Free()
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auto sizeToFree = this->max * sizeof(T);
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this->memAPI->Free(this->data, sizeToFree);
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}
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this->data = nullptr;
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this->count = 0;
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this->max = 0;
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}
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auto *memAPI_ = this->memAPI;
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*this = {};
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this->memAPI = memAPI_;
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}
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template <typename T>
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bool DqnArray<T>::Resize(isize newMax)
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bool DqnArray<T>::Reserve(isize newMax)
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{
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if (!this->memAPI)
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if (newMax <= this->count)
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{
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DQN_LOGE("DqnArray has no memory api assigned. Resize to %d items failed.", newMax);
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return false;
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}
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if (newMax == 0)
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{
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DQN_LOGD(
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"DqnArray tried to resize to 0 items. Not allowed? TODO(doyle): Maybe just free the "
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"array then?");
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return true;
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}
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if (newMax < this->count)
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if (!this->memAPI)
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{
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DQN_LOGE(
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"DqnArray has %d items but requested a resize to: %d and will destroy the remaining "
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"items in the array!", this->count, newMax);
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this->memAPI = DQN_DEFAULT_HEAP_ALLOCATOR;
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}
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auto oldSize = this->max * sizeof(T);
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auto newSize = newMax * sizeof(T);
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usize oldSize = this->max * sizeof(T);
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usize newSize = newMax * sizeof(T);
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T *result = nullptr;
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if (this->data)
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@ -1381,22 +1330,29 @@ bool DqnArray<T>::Grow(isize multiplier)
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{
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isize newMax = this->max * multiplier;
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newMax = (newMax < 8) ? 8 : newMax;
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bool result = this->Resize(newMax);
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bool result = this->Reserve(newMax);
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return result;
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}
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template <typename T>
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T *DqnArray<T>::Make()
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inline bool DqnArray__TryMakeEnoughSpace(DqnArray<T> *array, isize numNewItems)
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{
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bool accessible = true;
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if (!this->data || this->count >= this->max)
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bool result = true;
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if (!array->data || (array->count + numNewItems) >= array->max)
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{
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accessible = this->Grow();
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result = array->Grow();
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}
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if (accessible)
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return result;
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}
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template <typename T>
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T *DqnArray<T>::Make(isize num)
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{
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if (DqnArray__TryMakeEnoughSpace(this, num))
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{
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T *result = this->data[this->count++];
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T *result = &this->data[this->count];
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this->count += num;
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return result;
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}
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@ -1406,13 +1362,10 @@ T *DqnArray<T>::Make()
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template <typename T>
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T *DqnArray<T>::Push(T const *item, isize num)
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{
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if (!this->data || (this->count + num) > this->max)
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if (!DqnArray__TryMakeEnoughSpace(this, num))
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{
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if (!this->Grow())
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{
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DQN_LOGE("DqnArray could not push %d item(s) onto array because growing failed.", num);
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return nullptr;
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}
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DQN_LOGE("DqnArray could not push %d item(s) onto array because growing failed.", num);
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return nullptr;
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}
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for (auto i = 0; i < num; i++)
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@ -1431,35 +1384,43 @@ T *DqnArray<T>::Push(T const item)
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}
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template <typename T>
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T *DqnArray<T>::Insert(T const item, isize index)
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T *DqnArray<T>::Insert(T const *item, isize numItems, isize index)
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{
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index = DQN_MAX(index, 0);
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if (!DqnArray__TryMakeEnoughSpace(this, numItems))
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{
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DQN_LOGE("DqnArray could not push %d item(s) onto array because growing failed.", numItems);
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return nullptr;
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}
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index = DQN_MIN(DQN_MAX(0, index), this->count);
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if (index >= this->count)
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{
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T *result = this->Push(item);
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T *result = this->Push(item, numItems);
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return result;
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}
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if (!this->data || (this->count + 1) > this->max)
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isize numItemsToShift = this->count - index;
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for (isize i = 0; i < numItemsToShift; i++)
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{
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if (!this->Grow())
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{
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DQN_LOGE("DqnArray could not insert at index %d because growing failed.", index);
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return nullptr;
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}
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isize backwardsIndex = this->count + numItems - 1 - i;
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this->data[backwardsIndex] = this->data[this->count - 1 - i];
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}
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this->count++;
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for (auto i = this->count - 1; (i - 1) >= index; i--)
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this->data[i] = this->data[i - 1];
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this->data[index] = item;
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T *result = this->data + index;
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this->count += numItems;
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DqnMem_Copy(this->data + index, item, sizeof(*item) * numItems);
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T *result = this->data + index;
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DQN_ASSERT(this->count <= this->max);
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return result;
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}
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template <typename T>
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T *DqnArray<T>::Insert(T const item, isize index)
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{
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T *result = this->Insert(&item, 1, index);
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return result;
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}
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template <typename T>
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void DqnArray<T>::Pop()
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{
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@ -3832,7 +3793,8 @@ void DqnAllocatorMetadata::Init(bool boundsGuard)
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{
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this->boundsGuardSize = sizeof(HEAD_GUARD_VALUE);
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LOCAL_PERSIST DqnMemAPI heap = DqnMemAPI::HeapAllocator();
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DQN_ASSERT(this->allocations.InitSize(128, &heap));
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this->allocations.memAPI = &heap;
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DQN_ASSERT(this->allocations.Reserve(128));
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}
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else
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{
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@ -1240,14 +1240,14 @@ void DqnArray_TestInternal(DqnMemAPI *const memAPI)
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{
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if (1)
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{
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DqnArray<DqnV2> array = {};
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DqnArray<DqnV2> array(memAPI);
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if (1)
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{
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DQN_ASSERT(array.InitSize(1, memAPI));
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DQN_ASSERT(array.Reserve(1));
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DQN_ASSERT(array.max >= 1);
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DQN_ASSERT(array.count == 0);
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// Test basic insert
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// Test basic push
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if (1)
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{
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DqnV2 va = DqnV2_(5, 10);
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@ -1258,7 +1258,7 @@ void DqnArray_TestInternal(DqnMemAPI *const memAPI)
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DQN_ASSERT(array.max >= 1);
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DQN_ASSERT(array.count == 1);
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Log(Status::Ok, "Test basic insert");
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Log(Status::Ok, "Test basic push");
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}
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// Test array resizing and freeing
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@ -1320,12 +1320,63 @@ void DqnArray_TestInternal(DqnMemAPI *const memAPI)
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Log(Status::Ok, "Test resizing and free");
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}
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array.Free();
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// Test insert
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if (1)
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{
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DqnV2 va = DqnV2_(5, 10);
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array.Push(va);
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array.Push(va);
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array.Push(va);
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DqnV2 vb = DqnV2_(1, 2);
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array.Insert(vb, -1);
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DQN_ASSERT(DqnV2_Equals(array.data[0], vb));
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DqnV2 vc = DqnV2_(2, 1);
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array.Insert(vc, array.count);
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DQN_ASSERT(DqnV2_Equals(array.data[array.count-1], vc));
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DqnV2 vd = DqnV2_(8, 9);
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array.Insert(vd, 1);
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DQN_ASSERT(DqnV2_Equals(array.data[0], vb));
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DQN_ASSERT(DqnV2_Equals(array.data[1], vd));
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DQN_ASSERT(DqnV2_Equals(array.data[2], va));
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DQN_ASSERT(DqnV2_Equals(array.data[3], va));
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DQN_ASSERT(DqnV2_Equals(array.data[4], va));
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DQN_ASSERT(DqnV2_Equals(array.data[5], vc));
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Log(Status::Ok, "Test insert");
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}
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array.Free();
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// Test multi-insert
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if (1)
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{
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DqnV2 va[] = {DqnV2_(5, 10), DqnV2_(6, 10), DqnV2_(7, 10)};
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DqnV2 tmp = DqnV2_(1, 1);
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array.Push(tmp);
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array.Push(tmp);
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array.Push(tmp);
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array.Insert(va, DQN_ARRAY_COUNT(va), 1);
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DQN_ASSERT(DqnV2_Equals(array.data[0], tmp));
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DQN_ASSERT(DqnV2_Equals(array.data[1], va[0]));
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DQN_ASSERT(DqnV2_Equals(array.data[2], va[1]));
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DQN_ASSERT(DqnV2_Equals(array.data[3], va[2]));
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DQN_ASSERT(DqnV2_Equals(array.data[4], tmp));
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DQN_ASSERT(DqnV2_Equals(array.data[5], tmp));
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Log(Status::Ok, "Test insert");
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}
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array.Free();
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}
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array.Free();
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if (1)
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{
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DQN_ASSERT(array.InitSize(1, memAPI));
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DQN_ASSERT(array.Reserve(1));
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DQN_ASSERT(array.max >= 1);
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DQN_ASSERT(array.count == 0);
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Log(Status::Ok, "Empty array");
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@ -1339,7 +1390,7 @@ void DqnArray_TestInternal(DqnMemAPI *const memAPI)
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DqnV2 c = DqnV2_(5, 6);
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DqnV2 d = DqnV2_(7, 8);
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DQN_ASSERT(array.InitSize(16, memAPI));
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DQN_ASSERT(array.Reserve(16));
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DQN_ASSERT(array.Remove(0) == false);
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DQN_ASSERT(array.max >= 16);
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DQN_ASSERT(array.count == 0);
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@ -1380,6 +1431,7 @@ void DqnArray_TestInternal(DqnMemAPI *const memAPI)
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Log(Status::Ok, "Test removal");
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}
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array.Free();
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array.memAPI = memAPI;
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if (1)
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{
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@ -1388,7 +1440,7 @@ void DqnArray_TestInternal(DqnMemAPI *const memAPI)
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DqnV2 c = DqnV2_(5, 6);
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DqnV2 d = DqnV2_(7, 8);
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DQN_ASSERT(array.InitSize(16, memAPI));
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DQN_ASSERT(array.Reserve(16));
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DQN_ASSERT(array.Push(a));
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DQN_ASSERT(array.Push(b));
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@ -1428,8 +1480,9 @@ void DqnArray_TestInternal(DqnMemAPI *const memAPI)
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i64 indexesToFree[] = {3, 2, 1, 0};
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i32 intList[] = {128, 32, 29, 31};
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DqnArray<i32> array;
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array.InitSize(DQN_ARRAY_COUNT(intList), memAPI);
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DqnArray<i32> array(memAPI);
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array.Reserve(DQN_ARRAY_COUNT(intList));
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array.Push(intList, DQN_ARRAY_COUNT(intList));
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array.RemoveStable(indexesToFree, DQN_ARRAY_COUNT(indexesToFree));
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DQN_ASSERT(array.count == 0);
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@ -1442,8 +1495,8 @@ void DqnArray_TestInternal(DqnMemAPI *const memAPI)
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i64 indexesToFree[] = {100, 200, 300, 400};
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i32 intList[] = {128, 32, 29, 31};
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DqnArray<i32> array;
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array.InitSize(DQN_ARRAY_COUNT(intList), memAPI);
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DqnArray<i32> array(memAPI);
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array.Reserve(DQN_ARRAY_COUNT(intList));
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array.Push(intList, DQN_ARRAY_COUNT(intList));
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array.RemoveStable(indexesToFree, DQN_ARRAY_COUNT(indexesToFree));
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DQN_ASSERT(array.count == 4);
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@ -1460,8 +1513,8 @@ void DqnArray_TestInternal(DqnMemAPI *const memAPI)
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i64 indexesToFree[] = {1};
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i32 intList[] = {128, 32, 29, 31};
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DqnArray<i32> array;
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array.InitSize(DQN_ARRAY_COUNT(intList), memAPI);
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DqnArray<i32> array(memAPI);
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array.Reserve(DQN_ARRAY_COUNT(intList));
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array.Push(intList, DQN_ARRAY_COUNT(intList));
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array.RemoveStable(indexesToFree, DQN_ARRAY_COUNT(indexesToFree));
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DQN_ASSERT(array.count == 3);
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@ -1477,8 +1530,8 @@ void DqnArray_TestInternal(DqnMemAPI *const memAPI)
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i64 indexesToFree[] = {100};
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i32 intList[] = {128, 32, 29, 31};
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DqnArray<i32> array;
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array.InitSize(DQN_ARRAY_COUNT(intList), memAPI);
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DqnArray<i32> array(memAPI);
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array.Reserve(DQN_ARRAY_COUNT(intList));
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array.Push(intList, DQN_ARRAY_COUNT(intList));
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array.RemoveStable(indexesToFree, DQN_ARRAY_COUNT(indexesToFree));
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DQN_ASSERT(array.count == 4);
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@ -1495,8 +1548,8 @@ void DqnArray_TestInternal(DqnMemAPI *const memAPI)
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i64 indexesToFree[] = {2};
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i32 intList[] = {128, 32, 29, 31};
|
||||
|
||||
DqnArray<i32> array;
|
||||
array.InitSize(DQN_ARRAY_COUNT(intList), memAPI);
|
||||
DqnArray<i32> array(memAPI);
|
||||
array.Reserve(DQN_ARRAY_COUNT(intList));
|
||||
array.Push(intList, DQN_ARRAY_COUNT(intList));
|
||||
array.RemoveStable(indexesToFree, DQN_ARRAY_COUNT(indexesToFree));
|
||||
DQN_ASSERT(array.count == 3);
|
||||
@ -1512,8 +1565,8 @@ void DqnArray_TestInternal(DqnMemAPI *const memAPI)
|
||||
i64 indexesToFree[] = {2, 3};
|
||||
i32 intList[] = {128, 32, 29, 31};
|
||||
|
||||
DqnArray<i32> array;
|
||||
array.InitSize(DQN_ARRAY_COUNT(intList), memAPI);
|
||||
DqnArray<i32> array(memAPI);
|
||||
array.Reserve(DQN_ARRAY_COUNT(intList));
|
||||
array.Push(intList, DQN_ARRAY_COUNT(intList));
|
||||
array.RemoveStable(indexesToFree, DQN_ARRAY_COUNT(indexesToFree));
|
||||
DQN_ASSERT(array.count == 2);
|
||||
@ -1528,8 +1581,8 @@ void DqnArray_TestInternal(DqnMemAPI *const memAPI)
|
||||
i64 indexesToFree[] = {30, 1, 3};
|
||||
i32 intList[] = {128, 32, 29, 31};
|
||||
|
||||
DqnArray<i32> array;
|
||||
array.InitSize(DQN_ARRAY_COUNT(intList), memAPI);
|
||||
DqnArray<i32> array(memAPI);
|
||||
array.Reserve(DQN_ARRAY_COUNT(intList));
|
||||
array.Push(intList, DQN_ARRAY_COUNT(intList));
|
||||
array.RemoveStable(indexesToFree, DQN_ARRAY_COUNT(indexesToFree));
|
||||
|
||||
@ -1545,8 +1598,8 @@ void DqnArray_TestInternal(DqnMemAPI *const memAPI)
|
||||
i64 indexesToFree[] = {0, 1, 2};
|
||||
i32 intList[] = {128, 32, 29, 31};
|
||||
|
||||
DqnArray<i32> array;
|
||||
array.InitSize(DQN_ARRAY_COUNT(intList), memAPI);
|
||||
DqnArray<i32> array(memAPI);
|
||||
array.Reserve(DQN_ARRAY_COUNT(intList));
|
||||
array.Push(intList, DQN_ARRAY_COUNT(intList));
|
||||
array.RemoveStable(indexesToFree, DQN_ARRAY_COUNT(indexesToFree));
|
||||
|
||||
@ -1554,8 +1607,6 @@ void DqnArray_TestInternal(DqnMemAPI *const memAPI)
|
||||
DQN_ASSERT(array.data[0] == 31);
|
||||
array.Free();
|
||||
}
|
||||
|
||||
|
||||
Log(Status::Ok, "Test stable removal with list of indexes");
|
||||
}
|
||||
}
|
||||
@ -1594,13 +1645,13 @@ void DqnArray_Test()
|
||||
{
|
||||
if (1)
|
||||
{
|
||||
DqnArray<char> array1;
|
||||
array1.InitSize(3);
|
||||
DqnArray<char> array1 = {};
|
||||
array1.Reserve(3);
|
||||
DQN_ASSERT(array1.count == 0);
|
||||
DQN_ASSERT(array1.max == 3);
|
||||
array1.Free();
|
||||
|
||||
array1.InitSize(0);
|
||||
array1.Reserve(0);
|
||||
DQN_ASSERT(array1.count == 0);
|
||||
DQN_ASSERT(array1.max == 0);
|
||||
|
||||
@ -1614,7 +1665,7 @@ void DqnArray_Test()
|
||||
if (1)
|
||||
{
|
||||
DqnArray<char> array = {};
|
||||
DQN_ASSERT(array.InitSize(1));
|
||||
DQN_ASSERT(array.Reserve(1));
|
||||
DqnArray_TestRealDataInternal(&array);
|
||||
}
|
||||
|
||||
@ -1625,8 +1676,8 @@ void DqnArray_Test()
|
||||
if (1)
|
||||
{
|
||||
auto memGuard0 = stack.TempRegionGuard();
|
||||
DqnArray<char> array = {};
|
||||
DQN_ASSERT(array.InitSize(1, &stack.myHeadAPI));
|
||||
DqnArray<char> array(&stack.myHeadAPI);
|
||||
DQN_ASSERT(array.Reserve(1));
|
||||
DqnArray_TestRealDataInternal(&array);
|
||||
}
|
||||
|
||||
@ -1634,8 +1685,8 @@ void DqnArray_Test()
|
||||
if (1)
|
||||
{
|
||||
auto memGuard0 = stack.TempRegionGuard();
|
||||
DqnArray<char> array = {};
|
||||
DQN_ASSERT(array.InitSize(128, &stack.myHeadAPI));
|
||||
DqnArray<char> array(&stack.myHeadAPI);
|
||||
DQN_ASSERT(array.Reserve(128));
|
||||
stack.Push(1024);
|
||||
DqnArray_TestRealDataInternal(&array);
|
||||
}
|
||||
@ -2878,6 +2929,16 @@ int main(void)
|
||||
DqnJobQueue_Test();
|
||||
#endif
|
||||
|
||||
struct Item
|
||||
{
|
||||
f32 a, b, c, d;
|
||||
};
|
||||
|
||||
Item storage[20] = {};
|
||||
DqnArray<Item> array = {};
|
||||
array.UseMemory(storage, DQN_ARRAY_COUNT(storage));
|
||||
|
||||
|
||||
// Log("\nPress 'Enter' Key to Exit\n");
|
||||
// getchar();
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user