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Diffstat (limited to 'libsolidity/formal/SymbolicIntVariable.h')
-rw-r--r-- | libsolidity/formal/SymbolicIntVariable.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/libsolidity/formal/SymbolicIntVariable.h b/libsolidity/formal/SymbolicIntVariable.h new file mode 100644 index 00000000..efe05af8 --- /dev/null +++ b/libsolidity/formal/SymbolicIntVariable.h @@ -0,0 +1,51 @@ +/* + 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: + explicit SymbolicIntVariable(Declaration const* _decl, + smt::SolverInterface& _interface); + SymbolicIntVariable(SymbolicIntVariable const&) = default; + SymbolicIntVariable(SymbolicIntVariable&&) = default; + SymbolicIntVariable& operator=(SymbolicIntVariable const&) = default; + SymbolicIntVariable& operator=(SymbolicIntVariable&&) = default; + + void setZeroValue(int _seq); + void setUnknownValue(int _seq); + +private: + smt::Expression minValue(IntegerType const& _t) const; + smt::Expression maxValue(IntegerType const& _t) const; +}; + +} +} |