solidity/test/tools/ossfuzz/lpsolver/FuzzerSolverInterface.h
Bhargava Shastry aeaf9addc0 Refactor FuzzerSolverInterface.
Co-authored-by: chriseth <chris@ethereum.org>
2022-03-01 16:52:29 +01:00

62 lines
1.8 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
/**
* Implements the Fuzzer-Solver interface.
*/
#pragma once
#include <libsolutil/LP.h>
#include <libsolutil/LinearExpression.h>
#include <string>
namespace solidity::test::fuzzer::lpsolver
{
using solution = std::pair<
solidity::util::LPResult,
std::map<std::string, solidity::util::rational>
>;
class FuzzerSolverInterface
{
public:
FuzzerSolverInterface(bool _supportModels);
/// Adds @param _constraint to LP solver.
void addConstraint(std::pair<bool, std::vector<int>> _constraint);
/// Adds @param _constraints to LP solver.
void addConstraints(std::vector<std::pair<bool, std::vector<int>>> _constraints);
/// @returns linear expression created from @param _factors.
solidity::util::LinearExpression linearExpression(std::vector<int> _factors);
/// Queries LP solver and @returns solution.
solution check();
/// Queries LP solver and @returns sat result as string.
std::string checkResult();
private:
/// @returns LP result as string.
std::string lpResult(solidity::util::LPResult _result);
solidity::util::LPSolver m_solver;
solidity::util::SolvingState m_solvingState;
};
}