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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 Integers
*/
class SymbolicIntVariable: public SymbolicVariable
{
public:
SymbolicIntVariable(
Declaration const* _decl,
smt::SolverInterface& _interface
);
SymbolicIntVariable(SymbolicIntVariable const&) = default;
SymbolicIntVariable(SymbolicIntVariable&&) = default;
SymbolicIntVariable& operator=(SymbolicIntVariable const&) = default;
SymbolicIntVariable& operator=(SymbolicIntVariable&&) = default;
/// Sets the var to 0.
void setZeroValue(int _seq);
/// Sets the variable to the full valid value range.
void setUnknownValue(int _seq);
static smt::Expression minValue(IntegerType const& _t);
static smt::Expression maxValue(IntegerType const& _t);
};
}
}
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