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71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
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/*
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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 2017-2019 Telegram Systems LLP
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*/
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#pragma once
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#include <atomic>
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#include "vm/stack.hpp"
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#include "td/utils/Slice.h"
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namespace vm {
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using td::Ref;
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class Atom : public td::CntObject {
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std::string name_;
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int index_;
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static constexpr unsigned hashtable_size = 170239;
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static std::atomic<Atom*> hashtable[hashtable_size];
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static std::atomic<int> atoms_defined;
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static std::atomic<int> anon_atoms;
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static std::pair<unsigned, unsigned> compute_hash(td::Slice name);
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public:
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Atom(const Atom&) = delete;
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Atom &operator=(const Atom&) = delete;
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Atom(Atom&&) = delete;
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Atom &operator=(Atom&&) = delete;
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~Atom() override = default;
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Atom(std::string name, int index) : name_(name), index_(index) {
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}
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static Ref<Atom> anon();
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static Ref<Atom> find(td::Slice name, bool create = false);
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static Ref<Atom> create(td::Slice name) {
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return find(std::move(name), true);
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}
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std::string name() const {
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return name_;
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}
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std::string name_ext() const {
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return name_.empty() ? make_name() : name_;
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}
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td::Slice name_as_slice() const {
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return td::Slice{name_};
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}
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int index() const {
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return index_;
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}
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void print_to(std::ostream& os) const;
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private:
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std::string make_name() const;
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};
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std::ostream& operator<<(std::ostream& os, const Atom& atom);
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std::ostream& operator<<(std::ostream& os, Ref<Atom> atom_ref);
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} // namespace vm
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