mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
66 lines
2.2 KiB
C++
66 lines
2.2 KiB
C++
/*
|
|
This file is part of solidity.
|
|
|
|
solidity is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
solidity 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with solidity. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
// SPDX-License-Identifier: GPL-3.0
|
|
|
|
#pragma once
|
|
|
|
#include <map>
|
|
#include <ostream>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
namespace solidity::phaser
|
|
{
|
|
|
|
/**
|
|
* An object that represents a sequence of optimiser steps that can be applied to a program.
|
|
* Such sequences are used in our genetic algorithm to represent individual members of the
|
|
* population.
|
|
*
|
|
* To calculate the fitness of an individual one must apply its sequence to a specific program.
|
|
* This class does not provide any means to do so. It just stores information.
|
|
*
|
|
* Once created a sequence cannot be changed. The only way to mutate it is to generate a new
|
|
* chromosome based on the old one.
|
|
*/
|
|
class Chromosome
|
|
{
|
|
public:
|
|
Chromosome() = default;
|
|
explicit Chromosome(std::vector<std::string> _optimisationSteps):
|
|
m_optimisationSteps(std::move(_optimisationSteps)) {}
|
|
explicit Chromosome(std::string const& _optimisationSteps);
|
|
static Chromosome makeRandom(size_t _length);
|
|
|
|
size_t length() const { return m_optimisationSteps.size(); }
|
|
std::vector<std::string> const& optimisationSteps() const { return m_optimisationSteps; }
|
|
|
|
friend std::ostream& operator<<(std::ostream& _stream, Chromosome const& _chromosome);
|
|
|
|
bool operator==(Chromosome const& _other) const { return m_optimisationSteps == _other.m_optimisationSteps; }
|
|
bool operator!=(Chromosome const& _other) const { return !(*this == _other); }
|
|
|
|
static std::string const& randomOptimisationStep();
|
|
|
|
private:
|
|
static std::vector<std::string> allStepNames();
|
|
|
|
std::vector<std::string> m_optimisationSteps;
|
|
};
|
|
|
|
}
|