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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/SolverInterface.h>
#include <libsolidity/formal/SymbolicVariable.h>
#include <libsolidity/ast/AST.h>
#include <libsolidity/ast/Types.h>
namespace dev
{
namespace solidity
{
/// So far int, bool and address are supported.
/// Returns true if type is supported.
bool isSupportedType(Type::Category _category);
bool isSupportedType(Type const& _type);
bool isInteger(Type::Category _category);
bool isRational(Type::Category _category);
bool isAddress(Type::Category _category);
bool isNumber(Type::Category _category);
bool isBool(Type::Category _category);
bool isFunction(Type::Category _category);
/// Returns a new symbolic variable, according to _type.
/// Also returns whether the type is abstract or not,
/// which is true for unsupported types.
std::pair<bool, std::shared_ptr<SymbolicVariable>> newSymbolicVariable(Type const& _type, std::string const& _uniqueName, smt::SolverInterface& _solver);
smt::Expression minValue(IntegerType const& _type);
smt::Expression maxValue(IntegerType const& _type);
}
}
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