mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
76 lines
1.9 KiB
C++
76 lines
1.9 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 <libsolidity/formal/SMTSolverCommunicator.h>
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#include <libdevcore/Common.h>
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#include <boost/filesystem/operations.hpp>
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#include <fstream>
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#include <stdio.h>
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using namespace std;
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using namespace dev;
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using namespace dev::solidity::smt;
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#ifdef EMSCRIPTEN
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string SMTSolverCommunicator::communicate(string const& _input)
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{
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auto result = m_readFileCallback("SMTLIB2Solver>> " + _input);
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if (result.success)
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return result.contentsOrErrorMessage;
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else
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return "";
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}
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#else
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#ifndef _WIN32
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inline FILE* _popen(char const* command, char const* type)
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{
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return popen(command, type);
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}
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inline int _pclose(FILE* file)
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{
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return pclose(file);
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}
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#endif
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string SMTSolverCommunicator::communicate(string const& _input)
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{
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namespace fs = boost::filesystem;
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auto tempPath = fs::unique_path(fs::temp_directory_path() / "%%%%-%%%%-%%%%.smt2");
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ScopeGuard s1([&]() { fs::remove(tempPath); });
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ofstream(tempPath.string()) << _input << "(exit)" << endl;
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// TODO Escaping might not be 100% perfect.
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FILE* solverOutput = _popen(("z3 -smt2 \"" + tempPath.string() + "\"").c_str(), "r");
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ScopeGuard s2([&]() { _pclose(solverOutput); });
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string result;
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array<char, 128> buffer;
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while (!feof(solverOutput))
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if (fgets(buffer.data(), 127, solverOutput) != nullptr)
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result += buffer.data();
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return result;
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}
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#endif
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