mirror of
https://github.com/ton-blockchain/ton
synced 2025-03-09 15:40:10 +00:00
62 lines
2 KiB
C++
62 lines
2 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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#pragma once
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#include <string>
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namespace vm {
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class VmState;
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class CellSlice;
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enum class Codepage { test_cp = 0 };
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class DispatchTable {
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public:
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DispatchTable() = default;
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virtual ~DispatchTable() = default;
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virtual int dispatch(VmState* st, CellSlice& cs) const = 0;
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virtual std::string dump_instr(CellSlice& cs) const = 0;
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virtual int instr_len(const CellSlice& cs) const = 0;
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virtual DispatchTable* finalize() = 0;
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virtual bool is_final() const = 0;
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static const DispatchTable* get_table(Codepage cp);
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static const DispatchTable* get_table(int cp);
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static bool register_table(Codepage cp, const DispatchTable& dt);
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bool register_table(Codepage cp) const;
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};
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class DummyDispatchTable : public DispatchTable {
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public:
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DummyDispatchTable() : DispatchTable() {
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}
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~DummyDispatchTable() override = default;
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int dispatch(VmState* st, CellSlice& cs) const override;
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std::string dump_instr(CellSlice& cs) const override;
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int instr_len(const CellSlice& cs) const override;
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DispatchTable* finalize() override {
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return this;
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}
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bool is_final() const override {
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return true;
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}
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};
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extern DummyDispatchTable dummy_dispatch_table;
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} // namespace vm
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