mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
/*
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This file is part of solidity.
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solidity is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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solidity is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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// SPDX-License-Identifier: GPL-3.0
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#pragma once
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#include <libsmtutil/SolverInterface.h>
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#include <boost/noncopyable.hpp>
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#include <z3++.h>
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namespace solidity::smtutil
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{
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class Z3Interface: public SolverInterface, public boost::noncopyable
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{
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public:
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Z3Interface();
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void reset() override;
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void push() override;
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void pop() override;
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void declareVariable(std::string const& _name, SortPointer const& _sort) override;
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void addAssertion(Expression const& _expr) override;
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std::pair<CheckResult, std::vector<std::string>> check(std::vector<Expression> const& _expressionsToEvaluate) override;
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z3::expr toZ3Expr(Expression const& _expr);
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smtutil::Expression fromZ3Expr(z3::expr const& _expr);
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std::map<std::string, z3::expr> constants() const { return m_constants; }
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std::map<std::string, z3::func_decl> functions() const { return m_functions; }
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z3::context* context() { return &m_context; }
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// Z3 "basic resources" limit.
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// This is used to make the runs more deterministic and platform/machine independent.
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static int const resourceLimit = 1000000;
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private:
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void declareFunction(std::string const& _name, Sort const& _sort);
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z3::sort z3Sort(Sort const& _sort);
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z3::sort_vector z3Sort(std::vector<SortPointer> const& _sorts);
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smtutil::SortPointer fromZ3Sort(z3::sort const& _sort);
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std::vector<smtutil::SortPointer> fromZ3Sort(z3::sort_vector const& _sorts);
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z3::context m_context;
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z3::solver m_solver;
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std::map<std::string, z3::expr> m_constants;
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std::map<std::string, z3::func_decl> m_functions;
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};
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}
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