1 files changed, 18 insertions, 1 deletions
diff --git a/Source/JavaScriptCore/heap/IncrementalSweeper.h b/Source/JavaScriptCore/heap/IncrementalSweeper.h
index eedfa7f6f..c8005b071 100644
--- a/Source/JavaScriptCore/heap/IncrementalSweeper.h
+++ b/Source/JavaScriptCore/heap/IncrementalSweeper.h
@@ -36,12 +36,28 @@
 namespace JSC {
 
 class Heap;
-    
+
+struct CopyFunctor : public MarkedBlock::VoidFunctor {
+    CopyFunctor(Vector<MarkedBlock*>& blocks) 
+        : m_index(0) 
+        , m_blocks(blocks)
+    {
+    }
+
+    void operator()(MarkedBlock* block) { m_blocks[m_index++] = block; }
+
+    size_t m_index;
+    Vector<MarkedBlock*>& m_blocks;
+};
+
 class IncrementalSweeper : public HeapTimer {
 public:
     static IncrementalSweeper* create(Heap*);
     void startSweeping(const HashSet<MarkedBlock*>& blockSnapshot);
     virtual void doWork();
+    void sweepNextBlock();
+    bool structuresCanBeSwept();
+    void willFinishSweeping();
 
 private:
 #if USE(CF)
@@ -58,6 +74,7 @@ private:
     IncrementalSweeper(JSGlobalData*);
     
 #endif
+    bool m_structuresCanBeSwept;
 };
 
 } // namespace JSC