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changeset 425:ea6353b6c4ef

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Add findNode to RedBlackTree.agda
author innparusu
date Fri, 06 Oct 2017 19:00:26 +0900
parents 3c6af75b13d4
children 02313bbfe900
files src/parallel_execution/RedBlackTree.agda
diffstat 1 files changed, 576 insertions(+), 6 deletions(-) [+]
line wrap: on
line diff
--- a/src/parallel_execution/RedBlackTree.agda	Fri Oct 06 18:00:28 2017 +0900
+++ b/src/parallel_execution/RedBlackTree.agda	Fri Oct 06 19:00:26 2017 +0900
@@ -8,23 +8,593 @@
     put : treeImpl -> a -> (treeImpl -> t) -> t
     get  : treeImpl -> (treeImpl -> Maybe a -> t) -> t
 
+data Color : Set where
+  Red   : Color
+  Black : Color
+
+record Node (a : Set) : Set where
+  field
+    node  : Element a
+    right : Maybe (Node a)
+    left  : Maybe (Node a)
+    color : Color
+
 record RedBlackTree (a : Set) : Set where
   field
-    top : Maybe (Element a)
+    root : Maybe (Node a)
     stack : Stack
+
 open RedBlackTree
 
 putRedBlackTree : {Data t : Set} -> RedBlackTree Data -> Data -> (Code : RedBlackTree Data -> t) -> t
-putRedBlackTree stack datum next = next newtree
+putRedBlackTree tree datum next with (root tree)
+...                                | Nothing = insertNode tree datum next
+...                                | Just n  = findNode tree datum n (\ tree1 -> insertNode tree1 datum next)
+
+findNode : {Data t : Set} -> RedBlackTree Data -> Data -> Node Data -> (Code : RedBlackTree Data (RedBlackTree Data -> t) -> t) -> t
+findNode tree datum n next = push (stack tree) n (\ s -> findNode1 (record { root = root tree; stack = s }) datum n next)
+
+findNode1 : {Data t : Set} -> RedBlackTree Data -> Data -> Data -> (Code : RedBlackTree Data (RedBlackTree Data -> t) -> t) -> t
+findNode1 tree datum n next with (compare datum n)
+...                                | EQ = next (record { root = root tree; stack = createSingleLinkedStack })
+...                                | GT = findNode2 tree datum (right n) next
+...                                | LT = findNode2 tree datum (left n) next
   where
-    element = cons datum (top stack)
-    newtree  = record {top = Just element}
+    findNode2 tree datum nothing next = insertNode tree datum next
+    findNode2 tree datum (just n) next = findNode tree datum n next
+
+insertNode tree datum next = get2 (stack tree) (\ s d1 d2 -> insertCase1 ( record { root = root tree; stack = s }) datum d1 d2 next)
+
+insertCase1 tree datum nothing grandparent next = next (record { root = ?; stack = createSingleLinkedStack })
+insertCase1 tree datum (just parent) grandparent next = insertCase2 tree datum parent grandparent next
+
+insertCase2 tree datum parent grandparent next with (color parent)
+...                                | Red = insertCase3 tree datum parent grandparent next
+...                                | Black = next (record { root = ?; stack = createSingleLinkedStack })
+
+insertCase3 tree datum parent grandparent next 
 
 getRedBlackTree : {a t : Set} -> RedBlackTree a -> (Code : RedBlackTree a -> (Maybe a) -> t) -> t
-getRedBlackTree tree cs with (top tree)
+getRedBlackTree tree cs with (root tree)
 ...                                | Nothing = cs tree  Nothing
 ...                                | Just d  = cs stack1 (Just data1)
   where
     data1  = datum d
-    stack1 = record { top = (next d) }
+    stack1 = record { root = (next d) }
+
+
+__code insertCase3(struct RedBlackTree* tree) {
+    struct Stack* nodeStack = tree->nodeStack;
+    struct Node* uncle;
+
+    if (tree->grandparent->left == tree->parent)
+        uncle = tree->grandparent->right;
+    else
+        uncle = tree->grandparent->left;
+
+    if (uncle && (uncle->color == Red)) {
+        // do insertcase1 on grandparent, stack must be pop by two
+        tree->parent->color = Black;
+        uncle->color = Black;
+        tree->grandparent->color = Red;
+        tree->current = tree->grandparent;
+        goto nodeStack->pop2(insertCase1);
+    }
+    goto insertCase4();
+}
+
+__code insertCase4(struct RedBlackTree* tree, struct RotateTree* rotateTree) {
+    struct Stack* nodeStack = tree->nodeStack;
+
+    if ((tree->current == tree->parent->right) && (tree->parent == tree->grandparent->left)) {
+        tree->current = tree->current->left;
+        tree->parent = tree->grandparent;
+
+        rotateTree->traverse = tree;
+        rotateTree->next = C_insertCase5;
+
+        goto nodeStack->pop(rotateLeft);
+    } else if ((tree->current == tree->parent->left) && (tree->parent == tree->grandparent->right)) {
+        tree->parent = tree->grandparent;
+        tree->current = tree->current->right;
+
+        rotateTree->traverse = tree;
+        rotateTree->next = C_insertCase5;
+
+        goto nodeStack->pop(rotateRight);
+    }
+
+    goto insertCase5();
+}
+
+__code insertCase5(struct RedBlackTree* tree) {
+    struct Stack* nodeStack = tree->nodeStack;
+    goto nodeStack->pop2(insertCase51);
+}
+
+__code insertCase51(struct RedBlackTree* tree, struct RotateTree* rotateTree, struct Node* parent, struct Node* grandparent) {
+    struct Node* current = tree->current;
+    tree->parent = parent;
+    tree->grandparent = grandparent;
+
+    parent->color = Black;
+    grandparent->color = Red;
+
+    tree->current = grandparent;
+
+    rotateTree->traverse = tree;
+    rotateTree->next = C_stackClear;
+
+    if ((current == parent->left) && (parent == grandparent->left))
+        goto rotateRight();
+    else
+        goto rotateLeft();
+}
+
+__code insertCase51_stub(struct Context* context) {
+    struct Node* parent = &context->data[D_Stack]->Stack.data->Node;
+    struct Node* grandparent = &context->data[D_Stack]->Stack.data1->Node;
+    goto insertCase51(context,
+                      &Gearef(context, Tree)->tree->Tree.tree->RedBlackTree,
+                      Gearef(context, RotateTree),
+                      parent,
+                      grandparent);
+}
+
+__code rotateLeft(struct RedBlackTree* tree, struct Stack* nodeStack) {
+    nodeStack->stack = (union Data*)tree->nodeStack;
+    nodeStack->next = C_rotateLeft1;
+    goto meta(context, tree->nodeStack->get);
+}
+
+__code rotateLeft_stub(struct Context* context) {
+    struct RedBlackTree* traverse = context->data[D_RotateTree]->RotateTree.traverse;
+    goto rotateLeft(context, traverse, Gearef(context, Stack));
+}
+    
+__code rotateLeft1(struct Node* node, struct RedBlackTree* tree, struct Node* parent, struct RotateTree* rotateTree) {
+    struct Node* tmp = node->right;
+
+    if (parent) {
+        if (node == parent->left)
+            parent->left = tmp;
+        else
+            parent->right = tmp;
+    } else {
+        tree->root = tmp;
+    }
+
+    node->right = tmp->left;
+    tmp->left = node;
+    tree->current = tmp;
+    
+    goto meta(context, rotateTree->next);
+}
+
+__code rotateLeft1_stub(struct Context* context) {
+    struct RedBlackTree* traverse = context->data[D_RotateTree]->RotateTree.traverse;
+    struct Node* parent = &context->data[D_Stack]->Stack.data->Node;
+    goto rotateLeft1(context,
+                    traverse->current,
+                    traverse,
+                    parent,
+                    Gearef(context, RotateTree));
+}
+
+__code rotateRight(struct RedBlackTree* tree, struct Stack* nodeStack) {
+    nodeStack->stack = (union Data*)tree->nodeStack;
+    nodeStack->next = C_rotateRight1;
+    goto meta(context, tree->nodeStack->get);
+}
+
+__code rotateRight_stub(struct Context* context) {
+    struct RedBlackTree* traverse = context->data[D_RotateTree]->RotateTree.traverse;
+    goto rotateLeft(context, traverse, Gearef(context, Stack));
+}
+
+__code rotateRight1(struct Node* node, struct RedBlackTree* traverse,struct Node *parent,struct RotateTree *rotateTree) {
+    struct Node* tmp = node->left;
+    
+    if (parent) {
+        if (node == parent->left)
+            parent->left = tmp;
+        else
+            parent->right = tmp;
+    } else {
+        traverse->root = tmp;
+    }
+
+    node->left = tmp->right;
+    tmp->right = node;
+    traverse->current = tmp;
+    
+    goto meta(context, rotateTree->next);
+}
+
+__code rotateRight1_stub(struct Context* context) {
+    struct RedBlackTree* traverse = context->data[D_RotateTree]->RotateTree.traverse;
+    struct Node* parent = &context->data[D_Stack]->Stack.data->Node;
+    goto rotateRight1(context,
+                     traverse->current,
+                     traverse,
+                     parent,
+                     Gearef(context, RotateTree));
+}
+
+__code stackClear(struct RedBlackTree* tree, struct Stack* nodeStack, __code next(...)) {
+    tree->current = 0;
+    nodeStack->stack = (union Data*)tree->nodeStack;
+    nodeStack->next = next;
+    goto meta(context, tree->nodeStack->clear);
+}
+
+__code getRedBlackTree(struct RedBlackTree* tree, __code next(...)) {
+    if (tree->root) {
+        tree->current = tree->root;
+
+        goto search();
+    }
+
+    goto next(...);
+}
+
+__code search(struct RedBlackTree* tree, struct Node* node, __code next(...)) {
+    // compare(context, traverse, traverse->current->key, node->key);
+    tree->result = compare(tree->current, node);
+    if (tree->result == EQ) {
+        *node = *tree->current;
+        
+        goto meta(context, next);
+    } else if (tree->result == GT) {
+        tree->current = tree->current->right;
+    } else {
+        tree->current = tree->current->left;
+    }
+        
+    if (tree->current)
+        goto meta(context, C_search);
+
+    goto next(...);
+}
+
+/* /\* __code delete(struct Context* context, struct Tree* tree) { *\/ */
+/* /\*     if (tree->root) { *\/ */
+/* /\*         stack_push(context->code_stack, &context->next); *\/ */
+/* /\*         context->next = Delete1; *\/ */
+/* /\*         goto meta(context, Get); *\/ */
+/* /\*     } *\/ */
+
+/* /\*     goto meta(context, context->next); *\/ */
+/* /\* } *\/ */
+
+/* /\* __code delete_stub(struct Context* context) { *\/ */
+/* /\*     goto delete(context, &context->data[Tree]->tree); *\/ */
+/* /\* } *\/ */
+
+/* /\* __code delete1(struct Context* context, struct Tree* tree, struct Allocate* allocate) { *\/ */
+/* /\*     allocate->size = sizeof(struct Node); *\/ */
+/* /\*     allocator(context); *\/ */
+    
+/* /\*     struct Node* root = tree->root; *\/ */
+
+/* /\*     tree->root = &context->data[context->dataNum]->node; *\/ */
+/* /\*     tree->current = root; *\/ */
+
+/* /\*     compare(context, tree, tree->current->key, context->data[Node]->node.key); *\/ */
+    
+/* /\*     goto meta(context, Replace_d1); *\/ */
+/* /\* } *\/ */
+
+/* /\* __code delete1_stub(struct Context* context) { *\/ */
+/* /\*     goto delete1(context, &context->data[Tree]->tree, &context->data[Allocate]->allocate); *\/ */
+/* /\* } *\/ */
+
+/* /\* __code delete2(struct Context* context, struct Node* current) { *\/ */
+/* /\*     if (current->color == Black) { *\/ */
+/* /\*         struct Node* child = current->right == NULL ? current->left : current->right; *\/ */
+/* /\*         current->color = child == NULL ? Black : child->color; *\/ */
+
+/* /\*         goto meta(context, DeleteCase1); *\/ */
+/* /\*     } *\/ */
+
+/* /\*     goto meta(context, Delete3); *\/ */
+/* /\* } *\/ */
+
+/* /\* __code delete2_stub(struct Context* context) { *\/ */
+/* /\*     goto delete2(context, context->data[Tree]->tree.current); *\/ */
+/* /\* } *\/ */
+
+/* /\* __code delete3(struct Context* context, struct Tree* tree, struct Node* current) { *\/ */
+/* /\*     struct Node* tmp = current->right == NULL ? current->left : current->right; *\/ */
+
+/* /\*     if (current->parent) { *\/ */
+/* /\*         if (current == current->parent->left) *\/ */
+/* /\*             current->parent->left = tmp; *\/ */
+/* /\*         else *\/ */
+/* /\*             current->parent->right = tmp; *\/ */
+/* /\*     } else { *\/ */
+/* /\*         tree->root = tmp; *\/ */
+/* /\*     } *\/ */
+
+/* /\*     if (tmp) *\/ */
+/* /\*         tmp->parent = current->parent; *\/ */
+
+/* /\*     if (current->parent == NULL && tmp) *\/ */
+/* /\*         tmp->color = Black; *\/ */
+
+/* /\*     current == current->parent->left ? (current->parent->left = NULL) : (current->parent->right = NULL); *\/ */
+
+/* /\*     stack_pop(context->code_stack, &context->next); *\/ */
+/* /\*     goto meta(context, context->next); *\/ */
+/* /\* } *\/ */
 
+/* /\* __code delete3_stub(struct Context* context) { *\/ */
+/* /\*     goto delete3(context, &context->data[Tree]->tree, context->data[Tree]->tree.current); *\/ */
+/* /\* } *\/ */
+
+/* /\* __code replaceNodeForDelete1(struct Context* context, struct Tree* tree, struct Node* oldNode, struct Node* newNode, int result) { *\/ */
+/* /\*     *newNode = *oldNode; *\/ */
+
+/* /\*     if (result == EQ) *\/ */
+/* /\*         goto meta(context, Replace_d2); *\/ */
+/* /\*     else if (result == GT) *\/ */
+/* /\*         tree->current = newNode->right; *\/ */
+/* /\*     else *\/ */
+/* /\*         tree->current = newNode->left; *\/ */
+
+/* /\*     tree->current->parent = newNode; *\/ */
+    
+/* /\*     if (tree->current->left == NULL && tree->current->right == NULL) *\/ */
+/* /\*         goto meta(context, Delete2); *\/ */
+    
+/* /\*     if (result == GT) *\/ */
+/* /\*         newNode->right = context->heap; *\/ */
+/* /\*     else if (result == LT) *\/ */
+/* /\*         newNode->left = context->heap; *\/ */
+    
+/* /\*     allocator(context); *\/ */
+    
+/* /\*     compare(context, tree, tree->current->key, context->data[Node]->node.key); *\/ */
+    
+/* /\*     goto meta(context, Replace_d1); *\/ */
+/* /\* } *\/ */
+
+/* /\* __code replaceNodeForDelete1_stub(struct Context* context) { *\/ */
+/* /\*     goto replaceNodeForDelete1(context, &context->data[Tree]->tree, context->data[Tree]->tree.current, &context->data[context->dataNum]->node, context->data[Tree]->tree.result); *\/ */
+/* /\* } *\/ */
+
+/* /\* __code replaceNodeForDelete2(struct Context* context, struct Tree* tree, struct Node* newNode) { *\/ */
+/* /\*     if (tree->current->left && tree->current->right) { *\/ */
+/* /\*         newNode->left->parent = newNode; *\/ */
+/* /\*         tree->current = newNode->left; *\/ */
+/* /\*         newNode->left = context->heap; *\/ */
+/* /\*         tree->deleted = newNode; *\/ */
+
+/* /\*         allocator(context); *\/ */
+/* /\*         tree->current->parent = newNode; *\/ */
+        
+/* /\*         goto meta(context, FindMax1); *\/ */
+/* /\*     } *\/ */
+
+/* /\*     goto meta(context, Delete2); *\/ */
+/* /\* } *\/ */
+
+/* /\* __code replaceNodeForDelete2_stub(struct Context* context) { *\/ */
+/* /\*     goto replaceNodeForDelete2(context, &context->data[Tree]->tree, &context->data[context->dataNum]->node); *\/ */
+/* /\* } *\/ */
+
+/* /\* __code findMax1(struct Context* context, struct Tree* tree, struct Node* oldNode, struct Node* newNode) { *\/ */
+/* /\*     *newNode = *oldNode; *\/ */
+
+/* /\*     if (newNode->right) *\/ */
+/* /\*         goto meta(context, FindMax2); *\/ */
+    
+/* /\*     tree->deleted->key = newNode->key; *\/ */
+/* /\*     tree->deleted->value = newNode->value; *\/ */
+
+/* /\*     tree->current = newNode; *\/ */
+
+/* /\*     goto meta(context, Delete2); *\/ */
+/* /\* } *\/ */
+
+/* /\* __code findMax1_stub(struct Context* context) { *\/ */
+/* /\*     goto findMax1(context, &context->data[Tree]->tree, context->data[Tree]->tree.current, &context->data[context->dataNum]->node); *\/ */
+/* /\* } *\/ */
+    
+
+/* /\* __code findMax2(struct Context* context, struct Tree* tree, struct Node* oldNode, struct Node* newNode) { *\/ */
+/* /\*     *newNode = *oldNode; *\/ */
+
+/* /\*     if (newNode->right->right) { *\/ */
+/* /\*         tree->current = newNode->right; *\/ */
+/* /\*         newNode->right = context->heap; *\/ */
+
+/* /\*         allocator(context); *\/ */
+/* /\*         tree->current->parent = newNode; *\/ */
+        
+/* /\*         goto meta(context, FindMax2); *\/ */
+/* /\*     } *\/ */
+
+/* /\*     tree->deleted->key = newNode->right->key; *\/ */
+/* /\*     tree->deleted->value = newNode->right->value; *\/ */
+
+/* /\*     tree->current = newNode; *\/ */
+    
+/* /\*     goto meta(context, Delete2); *\/ */
+/* /\* } *\/ */
+    
+/* /\* __code findMax2_stub(struct Context* context) { *\/ */
+/* /\*     goto findMax2(context, &context->data[Tree]->tree, context->data[Tree]->tree.current, &context->data[context->dataNum]->node); *\/ */
+/* /\* } *\/ */
+
+/* /\* __code deleteCase1(struct Context* context, struct Node* current) { *\/ */
+/* /\*     if (current->parent) *\/ */
+/* /\*         goto meta(context, DeleteCase2); *\/ */
+
+/* /\*     goto meta(context, Delete3); *\/ */
+/* /\* } *\/ */
+
+/* /\* __code deleteCase1_stub(struct Context* context) { *\/ */
+/* /\*     goto deleteCase1(context, context->data[Tree]->tree.current); *\/ */
+/* /\* } *\/ */
+
+/* /\* __code deleteCase2(struct Context* context, struct Tree* tree, struct Node* current) { *\/ */
+/* /\*     struct Node* sibling = current == current->parent->left ? current->parent->right : current->parent->left; *\/ */
+    
+/* /\*     if ((sibling == NULL ? Black : sibling->color) == Red) { *\/ */
+/* /\*         current->parent->color = Red; *\/ */
+/* /\*         sibling->color = Black; *\/ */
+
+/* /\*         current == current->parent->left ? (current->parent->left = context->heap) : (current->parent->right = context->heap); *\/ */
+/* /\*         allocator(context); *\/ */
+/* /\*         context->data[context->dataNum]->node = *sibling; *\/ */
+        
+/* /\*         tree->current = current->parent; *\/ */
+        
+/* /\*         context->next = DeleteCase3; *\/ */
+/* /\*         stack_push(context->code_stack, &context->next); *\/ */
+
+/* /\*         if (current == current->parent->left) *\/ */
+/* /\*             goto meta(context, RotateL); *\/ */
+/* /\*         else *\/ */
+/* /\*             goto meta(context, RotateR); *\/ */
+/* /\*     } *\/ */
+
+/* /\*     goto meta(context, DeleteCase3); *\/ */
+/* /\* } *\/ */
+
+/* /\* __code deleteCase2_stub(struct Context* context) { *\/ */
+/* /\*     goto deleteCase2(context, &context->data[Tree]->tree, context->data[Tree]->tree.current); *\/ */
+/* /\* } *\/ */
+
+/* /\* __code deleteCase3(struct Context* context, struct Tree* tree, struct Node* current) { *\/ */
+/* /\*     struct Node* sibling = current == current->parent->left ? current->parent->right : current->parent->left; *\/ */
+    
+/* /\*     if (current->parent->color == Black && *\/ */
+/* /\*         (sibling == NULL ? Black : sibling->color) == Black && *\/ */
+/* /\*         (sibling->left == NULL ? Black : sibling->left->color) == Black && *\/ */
+/* /\*         (sibling->right == NULL ? Black : sibling->right->color) == Black) { *\/ */
+/* /\*         sibling->color = Red; *\/ */
+
+/* /\*         tree->current = current->parent; *\/ */
+/* /\*         goto meta(context, DeleteCase1); *\/ */
+/* /\*     } *\/ */
+
+/* /\*     goto meta(context, DeleteCase4); *\/ */
+/* /\* } *\/ */
+
+/* /\* __code deleteCase3_stub(struct Context* context) { *\/ */
+/* /\*     goto deleteCase3(context, &context->data[Tree]->tree, context->data[Tree]->tree.current); *\/ */
+/* /\* } *\/ */
+
+/* /\* __code deleteCase4(struct Context* context, struct Node* current) { *\/ */
+/* /\*     struct Node* sibling = current == current->parent->left ? current->parent->right : current->parent->left; *\/ */
+    
+/* /\*     if (current->parent->color == Red && *\/ */
+/* /\*         (sibling == NULL ? Black : sibling->color) == Black && *\/ */
+/* /\*         (sibling->left == NULL ? Black : sibling->left->color) == Black && *\/ */
+/* /\*         (sibling->right == NULL ? Black : sibling->right->color) == Black) { *\/ */
+/* /\*         sibling->color = Red; *\/ */
+/* /\*         current->parent->color = Black; *\/ */
+
+/* /\*         goto meta(context, Delete3); *\/ */
+/* /\*     } *\/ */
+
+/* /\*     goto meta(context, DeleteCase5); *\/ */
+/* /\* } *\/ */
+
+/* /\* __code deleteCase4_stub(struct Context* context) { *\/ */
+/* /\*     goto deleteCase4(context, context->data[Tree]->tree.current); *\/ */
+/* /\* } *\/ */
+
+/* /\* __code deleteCase5(struct Context* context, struct Tree* tree, struct Node* current) { *\/ */
+/* /\*     struct Node* sibling = current == current->parent->left ? current->parent->right : current->parent->left; *\/ */
+/* /\*     sibling->parent = current->parent; *\/ */
+    
+/* /\*     if (current == current->parent->left && *\/ */
+/* /\*         (sibling == NULL ? Black : sibling->color) == Black && *\/ */
+/* /\*         (sibling->left == NULL ? Black : sibling->left->color) == Red && *\/ */
+/* /\*         (sibling->right == NULL ? Black : sibling->right->color) == Black) { *\/ */
+/* /\*         sibling->color = Red; *\/ */
+/* /\*         sibling->left->color = Black; *\/ */
+        
+/* /\*         sibling == sibling->parent->left ? (sibling->parent->left = context->heap) : (sibling->parent->right = context->heap); *\/ */
+/* /\*         allocator(context); *\/ */
+/* /\*         struct Node* tmp = &context->data[context->dataNum]->node; *\/ */
+/* /\*         *tmp = *sibling; *\/ */
+/* /\*         tmp->parent = current; *\/ */
+        
+/* /\*         tmp->left = context->heap; *\/ */
+/* /\*         allocator(context); *\/ */
+/* /\*         context->data[context->dataNum]->node = *sibling->left; *\/ */
+/* /\*         context->data[context->dataNum]->node.parent = tmp; *\/ */
+
+/* /\*         tree->current = tmp; *\/ */
+        
+/* /\*         context->next = DeleteCase6; *\/ */
+/* /\*         stack_push(context->code_stack, &context->next); *\/ */
+
+/* /\*         goto meta(context, RotateR); *\/ */
+/* /\*     } else if (current == current->parent->right && *\/ */
+/* /\*                (sibling == NULL ? Black : sibling->color) == Black && *\/ */
+/* /\*                (sibling->left == NULL ? Black : sibling->left->color) == Black && *\/ */
+/* /\*                (sibling->right == NULL ? Black : sibling->right->color) == Red) { *\/ */
+/* /\*         sibling->color = Red; *\/ */
+/* /\*         sibling->right->color = Black; *\/ */
+
+/* /\*         sibling == sibling->parent->left ? (sibling->parent->left = context->heap) : (sibling->parent->right = context->heap); *\/ */
+/* /\*         allocator(context); *\/ */
+/* /\*         struct Node* tmp = &context->data[context->dataNum]->node; *\/ */
+/* /\*         *tmp = *sibling; *\/ */
+/* /\*         tmp->parent = current; *\/ */
+
+/* /\*         tmp->right = context->heap; *\/ */
+/* /\*         allocator(context); *\/ */
+/* /\*         context->data[context->dataNum]->node = *sibling->right; *\/ */
+/* /\*         context->data[context->dataNum]->node.parent = tmp; *\/ */
+
+/* /\*         tree->current = tmp; *\/ */
+
+/* /\*         context->next = DeleteCase6; *\/ */
+/* /\*         stack_push(context->code_stack, &context->next); *\/ */
+/* /\*         goto meta(context, RotateL); *\/ */
+/* /\*     } *\/ */
+
+/* /\*     goto meta(context, DeleteCase6); *\/ */
+/* /\* } *\/ */
+
+/* /\* __code deleteCase5_stub(struct Context* context) { *\/ */
+/* /\*     goto deleteCase5(context, &context->data[Tree]->tree, context->data[Tree]->tree.current); *\/ */
+/* /\* } *\/ */
+
+/* /\* __code deleteCase6(struct Context* context, struct Tree* tree, struct Node* current) { *\/ */
+/* /\*     struct Node* sibling = current == current->parent->left ? current->parent->right : current->parent->left; *\/ */
+
+/* /\*     sibling == sibling->parent->left ? (sibling->parent->left = context->heap) : (sibling->parent->right = context->heap); *\/ */
+/* /\*     allocator(context); *\/ */
+/* /\*     struct Node* tmp = &context->data[context->dataNum]->node; *\/ */
+/* /\*     *tmp = *sibling; *\/ */
+/* /\*     tmp->parent = current; *\/ */
+
+/* /\*     tmp->color = current->parent->color; *\/ */
+/* /\*     current->parent->color = Black; *\/ */
+    
+/* /\*     context->next = Delete3; *\/ */
+/* /\*     stack_push(context->code_stack, &context->next); *\/ */
+    
+/* /\*     if (current == current->parent->left) { *\/ */
+/* /\*         tmp->right->color = Black; *\/ */
+/* /\*         tree->current = current->parent; *\/ */
+
+/* /\*         goto meta(context, RotateL); *\/ */
+/* /\*     } else { *\/ */
+/* /\*         tmp->left->color = Black; *\/ */
+/* /\*         tree->current = current->parent; *\/ */
+
+/* /\*         goto meta(context, RotateR); *\/ */
+/* /\*     } *\/ */
+/* /\* } *\/ */
+
+/* /\* __code deleteCase6_stub(struct Context* context) { *\/ */
+/* /\*     goto deleteCase6(context, &context->data[Tree]->tree, context->data[Tree]->tree.current); *\/ */
+/* /\* } *\/ */