mirror of
https://github.com/ton-blockchain/ton
synced 2025-03-09 15:40:10 +00:00
142 lines
3.6 KiB
C++
142 lines
3.6 KiB
C++
/*
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This file is part of TON Blockchain Library.
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TON Blockchain Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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TON Blockchain Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2017-2020 Telegram Systems LLP
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*/
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#include "vm/cells/CellUsageTree.h"
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namespace vm {
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//
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// CellUsageTree::NodePtr
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//
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bool CellUsageTree::NodePtr::on_load(const td::Ref<vm::DataCell>& cell) const {
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auto tree = tree_weak_.lock();
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if (!tree) {
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return false;
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}
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tree->on_load(node_id_, cell);
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return true;
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}
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CellUsageTree::NodePtr CellUsageTree::NodePtr::create_child(unsigned ref_id) const {
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auto tree = tree_weak_.lock();
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if (!tree) {
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return {};
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}
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return {tree_weak_, tree->create_child(node_id_, ref_id)};
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}
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bool CellUsageTree::NodePtr::is_from_tree(const CellUsageTree* master_tree) const {
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DCHECK(master_tree);
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auto tree = tree_weak_.lock();
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if (tree.get() != master_tree) {
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return false;
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}
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return true;
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}
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bool CellUsageTree::NodePtr::mark_path(CellUsageTree* master_tree) const {
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DCHECK(master_tree);
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auto tree = tree_weak_.lock();
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if (tree.get() != master_tree) {
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return false;
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}
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master_tree->mark_path(node_id_);
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return true;
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}
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//
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// CellUsageTree
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//
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CellUsageTree::NodePtr CellUsageTree::root_ptr() {
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return {shared_from_this(), 1};
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}
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CellUsageTree::NodeId CellUsageTree::root_id() const {
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return 1;
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};
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bool CellUsageTree::is_loaded(NodeId node_id) const {
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if (use_mark_) {
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return nodes_[node_id].has_mark;
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}
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return nodes_[node_id].is_loaded;
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}
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bool CellUsageTree::has_mark(NodeId node_id) const {
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return nodes_[node_id].has_mark;
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}
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void CellUsageTree::set_mark(NodeId node_id, bool mark) {
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if (node_id == 0) {
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return;
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}
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nodes_[node_id].has_mark = mark;
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}
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void CellUsageTree::mark_path(NodeId node_id) {
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auto cur_node_id = get_parent(node_id);
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while (cur_node_id != 0) {
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if (has_mark(cur_node_id)) {
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break;
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}
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set_mark(cur_node_id);
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cur_node_id = get_parent(cur_node_id);
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}
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}
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CellUsageTree::NodeId CellUsageTree::get_parent(NodeId node_id) {
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return nodes_[node_id].parent;
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}
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CellUsageTree::NodeId CellUsageTree::get_child(NodeId node_id, unsigned ref_id) {
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DCHECK(ref_id < CellTraits::max_refs);
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return nodes_[node_id].children[ref_id];
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}
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void CellUsageTree::set_use_mark_for_is_loaded(bool use_mark) {
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use_mark_ = use_mark;
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}
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void CellUsageTree::on_load(NodeId node_id, const td::Ref<vm::DataCell>& cell) {
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if (nodes_[node_id].is_loaded) {
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return;
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}
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nodes_[node_id].is_loaded = true;
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if (cell_load_callback_) {
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cell_load_callback_(cell);
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}
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}
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CellUsageTree::NodeId CellUsageTree::create_child(NodeId node_id, unsigned ref_id) {
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DCHECK(ref_id < CellTraits::max_refs);
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NodeId res = nodes_[node_id].children[ref_id];
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if (res) {
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return res;
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}
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res = create_node(node_id);
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nodes_[node_id].children[ref_id] = res;
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return res;
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}
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CellUsageTree::NodeId CellUsageTree::create_node(NodeId parent) {
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NodeId res = static_cast<NodeId>(nodes_.size());
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nodes_.emplace_back();
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nodes_.back().parent = parent;
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return res;
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}
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} // namespace vm
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