Create libsmtutil

libsmtutil/SMTLib2Interface.h

@@ -0,0 +1,85 @@
+/*
+	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 <libsmtutil/SolverInterface.h>
+
+#include <libsolidity/interface/ReadFile.h>
+#include <liblangutil/Exceptions.h>
+#include <libsolutil/Common.h>
+#include <libsolutil/FixedHash.h>
+
+#include <boost/noncopyable.hpp>
+#include <cstdio>
+#include <map>
+#include <set>
+#include <string>
+#include <vector>
+
+namespace solidity::frontend::smt
+{
+
+class SMTLib2Interface: public SolverInterface, public boost::noncopyable
+{
+public:
+	explicit SMTLib2Interface(
+		std::map<util::h256, std::string> const& _queryResponses,
+		ReadCallback::Callback _smtCallback
+	);
+
+	void reset() override;
+
+	void push() override;
+	void pop() override;
+
+	void declareVariable(std::string const&, SortPointer const&) override;
+
+	void addAssertion(smt::Expression const& _expr) override;
+	std::pair<CheckResult, std::vector<std::string>> check(std::vector<smt::Expression> const& _expressionsToEvaluate) override;
+
+	std::vector<std::string> unhandledQueries() override { return m_unhandledQueries; }
+
+	// Used by CHCSmtLib2Interface
+	std::string toSExpr(smt::Expression const& _expr);
+	std::string toSmtLibSort(Sort const& _sort);
+	std::string toSmtLibSort(std::vector<SortPointer> const& _sort);
+
+	std::map<std::string, SortPointer> variables() { return m_variables; }
+
+private:
+	void declareFunction(std::string const& _name, SortPointer const& _sort);
+
+	void write(std::string _data);
+
+	std::string checkSatAndGetValuesCommand(std::vector<smt::Expression> const& _expressionsToEvaluate);
+	std::vector<std::string> parseValues(std::string::const_iterator _start, std::string::const_iterator _end);
+
+	/// Communicates with the solver via the callback. Throws SMTSolverError on error.
+	std::string querySolver(std::string const& _input);
+
+	std::vector<std::string> m_accumulatedOutput;
+	std::map<std::string, SortPointer> m_variables;
+	std::set<std::string> m_userSorts;
+
+	std::map<util::h256, std::string> const& m_queryResponses;
+	std::vector<std::string> m_unhandledQueries;
+
+	ReadCallback::Callback m_smtCallback;
+};
+
+}