mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
160 lines
4.0 KiB
C++
160 lines
4.0 KiB
C++
/*
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This file is part of solidity.
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solidity 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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solidity 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 solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <tools/yulPhaser/Exceptions.h>
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#include <tools/yulPhaser/Population.h>
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#include <tools/yulPhaser/FitnessMetrics.h>
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#include <tools/yulPhaser/Program.h>
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#include <tools/yulPhaser/SimulationRNG.h>
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#include <libsolutil/Assertions.h>
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#include <libsolutil/CommonIO.h>
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#include <liblangutil/CharStream.h>
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#include <boost/filesystem.hpp>
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#include <boost/program_options.hpp>
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#include <iostream>
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#include <functional>
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#include <string>
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using namespace std;
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using namespace solidity::langutil;
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using namespace solidity::phaser;
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using namespace solidity::util;
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namespace po = boost::program_options;
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namespace
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{
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struct CommandLineParsingResult
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{
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int exitCode;
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po::variables_map arguments;
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};
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void initializeRNG(po::variables_map const& arguments)
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{
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uint32_t seed;
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if (arguments.count("seed") > 0)
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seed = arguments["seed"].as<uint32_t>();
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else
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seed = SimulationRNG::generateSeed();
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SimulationRNG::reset(seed);
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cout << "Random seed: " << seed << endl;
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}
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CharStream loadSource(string const& _sourcePath)
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{
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assertThrow(boost::filesystem::exists(_sourcePath), InvalidProgram, "Source file does not exist");
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string sourceCode = readFileAsString(_sourcePath);
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return CharStream(sourceCode, _sourcePath);
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}
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void runAlgorithm(string const& _sourcePath)
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{
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CharStream sourceCode = loadSource(_sourcePath);
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shared_ptr<FitnessMetric> fitnessMetric = make_shared<ProgramSize>(Program::load(sourceCode));
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auto population = Population::makeRandom(
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fitnessMetric,
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10,
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bind(Population::binomialChromosomeLength, Population::MaxChromosomeLength)
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);
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population.run(nullopt, cout);
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}
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CommandLineParsingResult parseCommandLine(int argc, char** argv)
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{
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po::options_description description(
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"yul-phaser, a tool for finding the best sequence of Yul optimisation phases.\n"
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"\n"
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"Usage: yul-phaser [options] <file>\n"
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"Reads <file> as Yul code and tries to find the best order in which to run optimisation"
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" phases using a genetic algorithm.\n"
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"Example:\n"
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"yul-phaser program.yul\n"
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"\n"
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"Allowed options",
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po::options_description::m_default_line_length,
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po::options_description::m_default_line_length - 23
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);
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description.add_options()
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("help", "Show help message and exit.")
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("input-file", po::value<string>()->required(), "Input file")
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("seed", po::value<uint32_t>(), "Seed for the random number generator")
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;
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po::positional_options_description positionalDescription;
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po::variables_map arguments;
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positionalDescription.add("input-file", 1);
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po::notify(arguments);
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try
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{
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po::command_line_parser parser(argc, argv);
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parser.options(description).positional(positionalDescription);
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po::store(parser.run(), arguments);
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}
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catch (po::error const & _exception)
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{
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cerr << _exception.what() << endl;
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return {1, move(arguments)};
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}
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if (arguments.count("help") > 0)
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{
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cout << description << endl;
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return {2, move(arguments)};
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}
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if (arguments.count("input-file") == 0)
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{
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cerr << "Missing argument: input-file." << endl;
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return {1, move(arguments)};
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}
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return {0, arguments};
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}
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}
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int main(int argc, char** argv)
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{
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CommandLineParsingResult parsingResult = parseCommandLine(argc, argv);
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if (parsingResult.exitCode != 0)
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return parsingResult.exitCode;
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initializeRNG(parsingResult.arguments);
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try
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{
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runAlgorithm(parsingResult.arguments["input-file"].as<string>());
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}
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catch (InvalidProgram const& _exception)
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{
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cerr << "ERROR: " << _exception.what() << endl;
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return 1;
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}
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return 0;
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}
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