1 files changed, 75 insertions, 0 deletions
diff --git a/libsolidity/formal/SMTLib2Interface.h b/libsolidity/formal/SMTLib2Interface.h
new file mode 100644
index 00000000..b8dac366
--- /dev/null
+++ b/libsolidity/formal/SMTLib2Interface.h
@@ -0,0 +1,75 @@
+/*
+	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/interface/Exceptions.h>
+#include <libsolidity/interface/ReadFile.h>
+
+#include <libdevcore/Common.h>
+
+#include <boost/noncopyable.hpp>
+
+#include <map>
+#include <string>
+#include <vector>
+#include <cstdio>
+
+namespace dev
+{
+namespace solidity
+{
+namespace smt
+{
+
+class SMTLib2Interface: public SolverInterface, public boost::noncopyable
+{
+public:
+	SMTLib2Interface(ReadCallback::Callback const& _queryCallback);
+
+	void reset() override;
+
+	void push() override;
+	void pop() override;
+
+	Expression newFunction(std::string _name, Sort _domain, Sort _codomain) override;
+	Expression newInteger(std::string _name) override;
+	Expression newBool(std::string _name) override;
+
+	void addAssertion(Expression const& _expr) override;
+	std::pair<CheckResult, std::vector<std::string>> check(std::vector<Expression> const& _expressionsToEvaluate) override;
+
+private:
+	std::string toSExpr(Expression const& _expr);
+
+	void write(std::string _data);
+
+	std::string checkSatAndGetValuesCommand(std::vector<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);
+
+	ReadCallback::Callback m_queryCallback;
+	std::vector<std::string> m_accumulatedOutput;
+};
+
+}
+}
+}