solidity/tools/yulPhaser/Chromosome.cpp

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/*
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/>.
*/
#include <tools/yulPhaser/Chromosome.h>
#include <tools/yulPhaser/SimulationRNG.h>
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#include <libyul/optimiser/Suite.h>
#include <libsolutil/CommonData.h>
#include <sstream>
using namespace std;
using namespace solidity;
using namespace solidity::yul;
using namespace solidity::phaser;
namespace solidity::phaser
{
ostream& operator<<(ostream& _stream, Chromosome const& _chromosome);
}
Chromosome::Chromosome(string const& _optimisationSteps)
{
for (char abbreviation: _optimisationSteps)
m_optimisationSteps.push_back(OptimiserSuite::stepAbbreviationToNameMap().at(abbreviation));
}
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Chromosome Chromosome::makeRandom(size_t _length)
{
vector<string> steps;
for (size_t i = 0; i < _length; ++i)
steps.push_back(randomOptimisationStep());
return Chromosome(move(steps));
}
ostream& phaser::operator<<(ostream& _stream, Chromosome const& _chromosome)
{
for (auto const& stepName: _chromosome.m_optimisationSteps)
_stream << OptimiserSuite::stepNameToAbbreviationMap().at(stepName);
return _stream;
}
vector<string> Chromosome::allStepNames()
{
vector<string> stepNames;
for (auto const& step: OptimiserSuite::allSteps())
stepNames.push_back(step.first);
return stepNames;
}
string const& Chromosome::randomOptimisationStep()
{
static vector<string> stepNames = allStepNames();
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return stepNames[SimulationRNG::uniformInt(0, stepNames.size() - 1)];
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}