717   Root = new RopePieceBTreeLeaf();  in RopePieceBTree()
721   Root = new RopePieceBTreeLeaf();  in RopePieceBTree()
724   getRoot(Root)->Destroy();  in ~RopePieceBTree()
728   return getRoot(Root)->size();  in size()
732   if (RopePieceBTreeLeaf *Leaf = dyn_cast<RopePieceBTreeLeaf>(getRoot(Root)))  in clear()
735     getRoot(Root)->Destroy();  in clear()
736     Root = new RopePieceBTreeLeaf();  in clear()
742   if (RopePieceBTreeNode *RHS = getRoot(Root)->split(Offset))  in insert()
743     Root = new RopePieceBTreeInterior(getRoot(Root), RHS);  in insert()
746   if (RopePieceBTreeNode *RHS = getRoot(Root)->insert(Offset, R))  in insert()
747     Root = new RopePieceBTreeInterior(getRoot(Root), RHS);  in insert()
752   if (RopePieceBTreeNode *RHS = getRoot(Root)->split(Offset))  in erase()
753     Root = new RopePieceBTreeInterior(getRoot(Root), RHS);  in erase()
756   getRoot(Root)->erase(Offset, NumBytes);  in erase()