solidity/libsolidity/interface/SMTSolverCommand.cpp

86 lines
2.5 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
#include <libsolidity/interface/SMTSolverCommand.h>
#include <liblangutil/Exceptions.h>
#include <libsolutil/CommonIO.h>
#include <libsolutil/Exceptions.h>
#include <libsolutil/Keccak256.h>
#include <libsolutil/TemporaryDirectory.h>
#include <boost/algorithm/string/join.hpp>
#include <boost/algorithm/string/predicate.hpp>
#include <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
#include <boost/process.hpp>
using solidity::langutil::InternalCompilerError;
using solidity::util::errinfo_comment;
using namespace std;
namespace solidity::frontend
{
SMTSolverCommand::SMTSolverCommand(string _solverCmd) : m_solverCmd(_solverCmd) {}
ReadCallback::Result SMTSolverCommand::solve(string const& _kind, string const& _query)
{
try
{
if (_kind != ReadCallback::kindString(ReadCallback::Kind::SMTQuery))
solAssert(false, "SMTQuery callback used as callback kind " + _kind);
auto tempDir = solidity::util::TemporaryDirectory("smt");
util::h256 queryHash = util::keccak256(_query);
auto queryFileName = tempDir.path() / ("query_" + queryHash.hex() + ".smt2");
auto queryFile = boost::filesystem::ofstream(queryFileName);
queryFile << _query;
auto eldBin = boost::process::search_path(m_solverCmd);
if (eldBin.empty())
return ReadCallback::Result{false, m_solverCmd + " binary not found."};
boost::process::ipstream pipe;
boost::process::child eld(
eldBin,
queryFileName,
boost::process::std_out > pipe
);
vector<string> data;
string line;
while (eld.running() && std::getline(pipe, line))
if (!line.empty())
data.push_back(line);
eld.wait();
return ReadCallback::Result{true, boost::join(data, "\n")};
}
catch (...)
{
return ReadCallback::Result{false, "Unknown exception in SMTQuery callback: " + boost::current_exception_diagnostic_information()};
}
}
}