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41 lines
1.2 KiB
41 lines
1.2 KiB
/*
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This file is part of cpp-ethereum.
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cpp-ethereum is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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cpp-ethereum 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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "VMFace.h"
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namespace dev
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{
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namespace eth
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{
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/// Smart VM proxy.
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///
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/// This class is a strategy pattern implementation for VM. For every EVM code
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/// execution request it tries to select the best VM implementation (Interpreter or JIT)
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/// by analyzing available information like: code size, hit count, JIT status, etc.
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class SmartVM: public VMFace
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{
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public:
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virtual bytesConstRef execImpl(u256& io_gas, ExtVMFace& _ext, OnOpFunc const& _onOp) override final;
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private:
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std::unique_ptr<VMFace> m_selectedVM;
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};
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}
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}
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