mirror of
				https://github.com/ton-blockchain/ton
				synced 2025-03-09 15:40:10 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			136 lines
		
	
	
	
		
			3.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			136 lines
		
	
	
	
		
			3.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
 | |
|     This file is part of TON Blockchain Library.
 | |
| 
 | |
|     TON Blockchain Library is free software: you can redistribute it and/or modify
 | |
|     it under the terms of the GNU Lesser General Public License as published by
 | |
|     the Free Software Foundation, either version 2 of the License, or
 | |
|     (at your option) any later version.
 | |
| 
 | |
|     TON Blockchain Library is distributed in the hope that it will be useful,
 | |
|     but WITHOUT ANY WARRANTY; without even the implied warranty of
 | |
|     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 | |
|     GNU Lesser General Public License for more details.
 | |
| 
 | |
|     You should have received a copy of the GNU Lesser General Public License
 | |
|     along with TON Blockchain Library.  If not, see <http://www.gnu.org/licenses/>.
 | |
| 
 | |
|     Copyright 2017-2019 Telegram Systems LLP
 | |
| */
 | |
| #include "vm/cells/CellUsageTree.h"
 | |
| 
 | |
| namespace vm {
 | |
| //
 | |
| // CellUsageTree::NodePtr
 | |
| //
 | |
| bool CellUsageTree::NodePtr::on_load() const {
 | |
|   auto tree = tree_weak_.lock();
 | |
|   if (!tree) {
 | |
|     return false;
 | |
|   }
 | |
|   tree->on_load(node_id_);
 | |
|   return true;
 | |
| }
 | |
| 
 | |
| CellUsageTree::NodePtr CellUsageTree::NodePtr::create_child(unsigned ref_id) const {
 | |
|   auto tree = tree_weak_.lock();
 | |
|   if (!tree) {
 | |
|     return {};
 | |
|   }
 | |
|   return {tree_weak_, tree->create_child(node_id_, ref_id)};
 | |
| }
 | |
| 
 | |
| bool CellUsageTree::NodePtr::is_from_tree(const CellUsageTree* master_tree) const {
 | |
|   DCHECK(master_tree);
 | |
|   auto tree = tree_weak_.lock();
 | |
|   if (tree.get() != master_tree) {
 | |
|     return false;
 | |
|   }
 | |
|   return true;
 | |
| }
 | |
| 
 | |
| bool CellUsageTree::NodePtr::mark_path(CellUsageTree* master_tree) const {
 | |
|   DCHECK(master_tree);
 | |
|   auto tree = tree_weak_.lock();
 | |
|   if (tree.get() != master_tree) {
 | |
|     return false;
 | |
|   }
 | |
|   master_tree->mark_path(node_id_);
 | |
|   return true;
 | |
| }
 | |
| 
 | |
| //
 | |
| // CellUsageTree
 | |
| //
 | |
| CellUsageTree::NodePtr CellUsageTree::root_ptr() {
 | |
|   return {shared_from_this(), 1};
 | |
| }
 | |
| 
 | |
| CellUsageTree::NodeId CellUsageTree::root_id() const {
 | |
|   return 1;
 | |
| };
 | |
| 
 | |
| bool CellUsageTree::is_loaded(NodeId node_id) const {
 | |
|   if (use_mark_) {
 | |
|     return nodes_[node_id].has_mark;
 | |
|   }
 | |
|   return nodes_[node_id].is_loaded;
 | |
| }
 | |
| 
 | |
| bool CellUsageTree::has_mark(NodeId node_id) const {
 | |
|   return nodes_[node_id].has_mark;
 | |
| }
 | |
| 
 | |
| void CellUsageTree::set_mark(NodeId node_id, bool mark) {
 | |
|   if (node_id == 0) {
 | |
|     return;
 | |
|   }
 | |
|   nodes_[node_id].has_mark = mark;
 | |
| }
 | |
| 
 | |
| void CellUsageTree::mark_path(NodeId node_id) {
 | |
|   auto cur_node_id = get_parent(node_id);
 | |
|   while (cur_node_id != 0) {
 | |
|     if (has_mark(cur_node_id)) {
 | |
|       break;
 | |
|     }
 | |
|     set_mark(cur_node_id);
 | |
|     cur_node_id = get_parent(cur_node_id);
 | |
|   }
 | |
| }
 | |
| 
 | |
| CellUsageTree::NodeId CellUsageTree::get_parent(NodeId node_id) {
 | |
|   return nodes_[node_id].parent;
 | |
| }
 | |
| 
 | |
| CellUsageTree::NodeId CellUsageTree::get_child(NodeId node_id, unsigned ref_id) {
 | |
|   DCHECK(ref_id < CellTraits::max_refs);
 | |
|   return nodes_[node_id].children[ref_id];
 | |
| }
 | |
| 
 | |
| void CellUsageTree::set_use_mark_for_is_loaded(bool use_mark) {
 | |
|   use_mark_ = use_mark;
 | |
| }
 | |
| 
 | |
| void CellUsageTree::on_load(NodeId node_id) {
 | |
|   nodes_[node_id].is_loaded = true;
 | |
| }
 | |
| 
 | |
| CellUsageTree::NodeId CellUsageTree::create_child(NodeId node_id, unsigned ref_id) {
 | |
|   DCHECK(ref_id < CellTraits::max_refs);
 | |
|   NodeId res = nodes_[node_id].children[ref_id];
 | |
|   if (res) {
 | |
|     return res;
 | |
|   }
 | |
|   res = create_node(node_id);
 | |
|   nodes_[node_id].children[ref_id] = res;
 | |
|   return res;
 | |
| }
 | |
| 
 | |
| CellUsageTree::NodeId CellUsageTree::create_node(NodeId parent) {
 | |
|   NodeId res = static_cast<NodeId>(nodes_.size());
 | |
|   nodes_.emplace_back();
 | |
|   nodes_.back().parent = parent;
 | |
|   return res;
 | |
| }
 | |
| 
 | |
| }  // namespace vm
 |