mirror of
https://github.com/ton-blockchain/ton
synced 2025-03-09 15:40:10 +00:00
75 lines
2.3 KiB
C++
75 lines
2.3 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 2017-2020 Telegram Systems LLP
|
|
*/
|
|
#pragma once
|
|
|
|
#include "vm/cells/CellTraits.h"
|
|
|
|
#include "td/utils/int_types.h"
|
|
#include "td/utils/logging.h"
|
|
|
|
namespace vm {
|
|
class CellUsageTree : public std::enable_shared_from_this<CellUsageTree> {
|
|
public:
|
|
using NodeId = td::uint32;
|
|
|
|
struct NodePtr {
|
|
public:
|
|
NodePtr() = default;
|
|
NodePtr(std::weak_ptr<CellUsageTree> tree_weak, NodeId node_id)
|
|
: tree_weak_(std::move(tree_weak)), node_id_(node_id) {
|
|
}
|
|
bool empty() const {
|
|
return node_id_ == 0 || tree_weak_.expired();
|
|
}
|
|
|
|
bool on_load() const;
|
|
NodePtr create_child(unsigned ref_id) const;
|
|
bool mark_path(CellUsageTree* master_tree) const;
|
|
bool is_from_tree(const CellUsageTree* master_tree) const;
|
|
|
|
private:
|
|
std::weak_ptr<CellUsageTree> tree_weak_;
|
|
NodeId node_id_{0};
|
|
};
|
|
|
|
NodePtr root_ptr();
|
|
NodeId root_id() const;
|
|
bool is_loaded(NodeId node_id) const;
|
|
bool has_mark(NodeId node_id) const;
|
|
void set_mark(NodeId node_id, bool mark = true);
|
|
void mark_path(NodeId node_id);
|
|
NodeId get_parent(NodeId node_id);
|
|
NodeId get_child(NodeId node_id, unsigned ref_id);
|
|
void set_use_mark_for_is_loaded(bool use_mark = true);
|
|
NodeId create_child(NodeId node_id, unsigned ref_id);
|
|
|
|
private:
|
|
struct Node {
|
|
bool is_loaded{false};
|
|
bool has_mark{false};
|
|
NodeId parent{0};
|
|
std::array<td::uint32, CellTraits::max_refs> children{};
|
|
};
|
|
bool use_mark_{false};
|
|
std::vector<Node> nodes_{2};
|
|
|
|
void on_load(NodeId node_id);
|
|
NodeId create_node(NodeId parent);
|
|
};
|
|
} // namespace vm
|