First commit

src/vm/gclist.cpp

@@ -0,0 +1,73 @@
+#include "CrossLang.hpp"
+
+namespace Tesses::CrossLang
+{
+    GCList::GCList(GC* gc)
+    {
+        gc->BarrierBegin();
+        this->gc = gc;
+        gc->SetRoot(this);
+        gc->BarrierEnd();
+    }
+    GCList::GCList(GC& gc)
+    {
+        gc.BarrierBegin();
+        this->gc = &gc;
+        gc.SetRoot(this);
+        gc.BarrierEnd();
+    }
+    GC* GCList::GetGC()
+    {
+        return this->gc;
+    }
+    void GCList::Remove(TObject obj)
+    {
+        if(std::holds_alternative<THeapObjectHolder>(obj))
+        {
+            auto _item=std::get<THeapObjectHolder>(obj).obj;
+            this->gc->BarrierBegin();
+            for(auto index = this->items.begin();index<this->items.end();index++)
+            {
+                if(*index == _item)
+                {
+                    this->items.erase(index);
+                    continue;
+                }
+            }
+            this->gc->BarrierEnd();
+        }
+    }
+    void GCList::Add(TObject obj)
+    {
+
+        if(std::holds_alternative<THeapObjectHolder>(obj))
+        {
+            auto _item=std::get<THeapObjectHolder>(obj).obj;
+            this->gc->BarrierBegin();
+            
+            for(auto item : this->items)
+            {
+                if(item == _item) {
+                    this->gc->BarrierEnd();
+                    return;
+                }
+            }
+            this->items.push_back(_item);
+            this->gc->BarrierEnd();
+        }
+    }
+    void GCList::Mark()
+    {
+        this->marked=true;
+        for(auto item : this->items)
+        {
+            item->Mark();
+        }
+    }
+    GCList::~GCList()
+    {
+        gc->BarrierBegin();
+        this->gc->UnsetRoot(this);
+        gc->BarrierEnd();
+    }
+}