mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
73 lines
2.0 KiB
C++
73 lines
2.0 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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// SPDX-License-Identifier: GPL-3.0
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#include <test/tools/ossfuzz/lpsolver/FuzzerSolverInterface.h>
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using namespace solidity::test::fuzzer::lpsolver;
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using namespace solidity::util;
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using namespace std;
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FuzzerSolverInterface::FuzzerSolverInterface()
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{
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m_solvingState.variableNames.emplace_back("");
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}
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LinearExpression FuzzerSolverInterface::constant(rational _value)
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{
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return LinearExpression::factorForVariable(0, _value);
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}
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LinearExpression FuzzerSolverInterface::variable(
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rational _factor,
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string const& _variable
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)
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{
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return LinearExpression::factorForVariable(variableIndex(_variable), _factor);
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}
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void FuzzerSolverInterface::addLEConstraint(LinearExpression _lhs)
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{
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// Move constant to RHS
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if (_lhs[0])
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_lhs[0] = -_lhs[0];
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m_solvingState.constraints.push_back({move(_lhs), false});
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}
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void FuzzerSolverInterface::addEQConstraint(LinearExpression _lhs)
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{
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// Move constant to RHS
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if (_lhs[0])
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_lhs[0] = -_lhs[0];
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m_solvingState.constraints.push_back({move(_lhs), true});
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}
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solution FuzzerSolverInterface::check()
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{
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return m_solver.check(m_solvingState);
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}
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size_t FuzzerSolverInterface::variableIndex(string const& _name)
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{
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if (m_solvingState.variableNames.empty())
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m_solvingState.variableNames.emplace_back("");
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auto index = findOffset(m_solvingState.variableNames, _name);
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if (!index)
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{
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index = m_solvingState.variableNames.size();
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m_solvingState.variableNames.emplace_back(_name);
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}
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return *index;
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}
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