Goal for next week

src/GC/allocator.cpp

@@ -0,0 +1,15 @@
+#pragma once
+
+#include <assert.h>
+#include <iostream>
+#include <stdlib.h>
+#include <vector>
+
+#include "include/allocator.hpp"
+
+namespace GC {
+
+
+
+
+}

src/GC/include/heap.hpp

@@ -23,20 +23,27 @@ public:
     }
 
     ~Heap() {
-
+        for (auto *alloc : h_allocs)
+            delete alloc;
     }
 
     size_t getHeapSize() {
-        return heap_size;
+        return size;
     }
 
+    // helt onödig
     Allocator *getAllocator(size_t size) {
         for (auto *alloc : h_allocs) {
             if (alloc->getSize() >= size)
                 return alloc;
         }
-        std::cout << "Object too big" << std::endl;
+        // std::cout << "Object too big" << std::endl;
-        assert(false);
+        assert(false && "TODO: Object too big");
+    }
+
+    void *alloc(size_t size) {
+        auto allocator = getAllocator(size);
+        return allocator->alloc();
     }
 
     void collect();
@@ -55,7 +62,7 @@ private:
     }
 
     char _heap[HEAP_SIZE] = {0};
-    size_t heap_size = 0;
+    size_t size = 0;
     std::vector<Allocator *> h_allocs;
 };
 

src/GC/include/heap_obj.hpp

@@ -4,13 +4,22 @@
 
 class HeapObj {
 public:
-    HeapObj(size_t size_) {
+    HeapObj(void *start_, size_t size_) {
+        start = start_;
         size = size_;
     }
 
     ~HeapObj() { }
 
+    void *getAddr() { return start; }
+
+    size_t getSize() { return size; }
+
+    bool isMarked() { return marked; }
+    void mark() { marked = true; }
+
 private:
+    void *start = 0;
     size_t size { 0 };
     bool marked { false };
 };

src/GC/todo.md

@@ -1,5 +1,14 @@
 # Garbage collection
 
+## Project
+
+Goal for next week (17/2):
+- Functioning garbage collector
+- Test it with valgrind
+
+TODO:
+- Merge to main branch
+
 ## Algorithm
 
 Potential algorithms:
@@ -20,15 +29,9 @@ Potential algorithms:
     - Holds all memory
         - Resizeable array?
     - Singleton instance
+    - exposes alloc
 
-- Allocator class
+- Heap chunks
-    - Allocates chunks of memory
-    - keeps track of chunks that are available and their sizes
-    - Several instances of allocator class with different sizes?
-
-- HeapObj class
-    - parent of all heap objects
-    - contains metadata
     - size
-        - location
+    - addr
     - marked bit