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/*
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/>.
*/
#pragma once
#include <libsolidity/formal/SymbolicVariable.h>
#include <libsolidity/ast/Types.h>
namespace dev
{
namespace solidity
{
/**
* Specialization of SymbolicVariable for Bool
*/
class SymbolicBoolVariable: public SymbolicVariable
{
public:
SymbolicBoolVariable(
Declaration const& _decl,
smt::SolverInterface& _interface
);
/// Sets the var to false.
void setZeroValue(int _seq);
/// Does nothing since the SMT solver already knows the valid values.
void setUnknownValue(int _seq);
protected:
smt::Expression valueAtSequence(int _seq) const;
};
}
}
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