mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
98 lines
3.1 KiB
C++
98 lines
3.1 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 <libsolidity/interface/ReadFile.h>
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#include <libsolutil/Common.h>
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#include <libsolutil/FixedHash.h>
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#include <cstdio>
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#include <map>
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#include <set>
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#include <string>
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#include <vector>
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namespace solidity::smtutil
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{
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class SMTLib2Interface: public SolverInterface
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{
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public:
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/// Noncopyable.
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SMTLib2Interface(SMTLib2Interface const&) = delete;
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SMTLib2Interface& operator=(SMTLib2Interface const&) = delete;
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explicit SMTLib2Interface(
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std::map<util::h256, std::string> _queryResponses = {},
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frontend::ReadCallback::Callback _smtCallback = {},
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std::optional<unsigned> _queryTimeout = {}
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);
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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&, SortPointer const&) 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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std::vector<std::string> unhandledQueries() override { return m_unhandledQueries; }
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// Used by CHCSmtLib2Interface
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std::string toSExpr(Expression const& _expr);
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std::string toSmtLibSort(Sort const& _sort);
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std::string toSmtLibSort(std::vector<SortPointer> const& _sort);
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std::map<std::string, SortPointer> variables() { return m_variables; }
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std::vector<std::pair<std::string, std::string>> const& userSorts() const { return m_userSorts; }
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private:
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void declareFunction(std::string const& _name, SortPointer const& _sort);
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void write(std::string _data);
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std::string checkSatAndGetValuesCommand(std::vector<Expression> const& _expressionsToEvaluate);
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std::vector<std::string> parseValues(std::string::const_iterator _start, std::string::const_iterator _end);
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/// Communicates with the solver via the callback. Throws SMTSolverError on error.
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std::string querySolver(std::string const& _input);
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std::vector<std::string> m_accumulatedOutput;
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std::map<std::string, SortPointer> m_variables;
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/// Each pair in this vector represents an SMTChecker created
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/// sort (a user sort), and the smtlib2 declaration of that sort.
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/// It needs to be a vector so that the declaration order is kept,
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/// otherwise solvers cannot parse the queries.
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std::vector<std::pair<std::string, std::string>> m_userSorts;
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std::map<util::h256, std::string> m_queryResponses;
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std::vector<std::string> m_unhandledQueries;
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frontend::ReadCallback::Callback m_smtCallback;
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};
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}
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