From 791c153aabd579f518a9b00613459cba13734797 Mon Sep 17 00:00:00 2001
From: Jonathan Bradley <jcb@pikum.xyz>
Date: Fri, 6 Oct 2023 14:42:03 -0400
Subject: Memory management - ctors and dtors

---
 src/dynamic-array.hpp | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

(limited to 'src/dynamic-array.hpp')

diff --git a/src/dynamic-array.hpp b/src/dynamic-array.hpp
index 6b22f6b..284ddcc 100644
--- a/src/dynamic-array.hpp
+++ b/src/dynamic-array.hpp
@@ -7,6 +7,7 @@
 #include <cstdint>
 #include <cstring>
 #include <cassert>
+#include <type_traits>
 
 #define BAKE_DYN_ARRAY(T) template struct DynArray<T>;
 
@@ -48,6 +49,11 @@ void DynArrayDestroy(DynArrayBase *arr);
 template <typename T> inline DynArray<T>::DynArray(int64_t count) {
 	this->elementSize = sizeof(T);
 	if (count > 0) DynArrayReserve(this, count);
+	if IS_CONSTRUCTIBLE(T) {
+		for (long i = 0; i < count; ++i) {
+			new (this->ptr + (i * sizeof(T))) T{};
+		}
+	}
 }
 
 template <typename T> inline DynArray<T>::DynArray() {
@@ -89,6 +95,12 @@ template <typename T> inline DynArray<T> &DynArray<T>::operator=(DynArray<T> &&r
 }
 
 template <typename T> inline DynArray<T>::~DynArray() {
+	if (this->ptr == nullptr || this->ptr == CAFE_BABE(char)) return;
+	if IS_DESTRUCTIBLE(T) {
+		for (long i = 0; i < this->elementCount; ++i) {
+			reinterpret_cast<T *>(this->ptr + (i * sizeof(T)))->~T();
+		}
+	}
 	DynArrayDestroy(this);
 }
 
@@ -136,9 +148,12 @@ template <typename T> inline void DynArray<T>::Remove(std::size_t index) {
 	assert(index >= this->elementCount && "Invalid DynArray<T>::Remove() - Out of bounds");
 	uint64_t moveCount = (this->elementCount - index - 1);
 	auto *tmp = Pke_New(this->elementSize * moveCount);
+	if IS_DESTRUCTIBLE(T) {
+		reinterpret_cast<T>(this->ptr + (index * sizeof(T))).~T();
+	}
 	memcpy(tmp, this->ptr + (this->elementSize * (index + 1)), this->elementSize * moveCount);
 	memcpy(this->ptr + (this->elementSize * index), tmp, this->elementSize * moveCount);
-	Pke_Delete(tmp, moveCount * this->elementSize);
+	Pke_Delete<T>(tmp, moveCount * this->elementSize);
 	this->elementCount -= 1;
 }
 
@@ -150,8 +165,19 @@ template <typename T> inline void DynArray<T>::Reserve(int64_t count) {
 }
 
 template <typename T> inline void DynArray<T>::Resize(int64_t count) {
+	int64_t beforeCount = this->elementCount;
+	if IS_DESTRUCTIBLE(T) {
+		for (long i = count; i > beforeCount; --i) {
+			reinterpret_cast<T *>(this->ptr + (i * sizeof(T)))->~T();
+		}
+	}
 	if (count > 0) {
 		DynArrayReserve(this, count);
+		if IS_CONSTRUCTIBLE(T) {
+			for (long i = beforeCount; i < count; ++i) {
+				new (this->ptr + (i * sizeof(T))) T{};
+			}
+		}
 	}
 	this->elementCount = count;
 }
-- 
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