solidity/libsolidity/formal/SymbolicBoolVariable.h

50 lines
1.2 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/>.
*/
#pragma once
#include <libsolidity/formal/SymbolicVariable.h>
namespace dev
{
namespace solidity
{
/**
* Specialization of SymbolicVariable for Bool
*/
class SymbolicBoolVariable: public SymbolicVariable
{
public:
SymbolicBoolVariable(
Type const& _type,
std::string const& _uniqueName,
smt::SolverInterface& _interface
);
/// Sets the var to false.
void setZeroValue();
/// Does nothing since the SMT solver already knows the valid values for Bool.
void setUnknownValue();
protected:
smt::Expression valueAtIndex(int _index) const;
};
}
}