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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#pragma once
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#include <libsolidity/formal/SolverInterface.h>
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#include <boost/noncopyable.hpp>
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#if defined(__GLIBC__)
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// The CVC4 headers includes the deprecated system headers <ext/hash_map>
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// and <ext/hash_set>. These headers cause a warning that will break the
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// build, unless _GLIBCXX_PERMIT_BACKWARD_HASH is set.
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#define _GLIBCXX_PERMIT_BACKWARD_HASH
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#endif
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#include <cvc4/cvc4.h>
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#if defined(__GLIBC__)
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#undef _GLIBCXX_PERMIT_BACKWARD_HASH
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#endif
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namespace solidity::frontend::smt
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{
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class CVC4Interface: public SolverInterface, public boost::noncopyable
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{
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public:
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CVC4Interface();
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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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private:
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CVC4::Expr toCVC4Expr(Expression const& _expr);
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CVC4::Type cvc4Sort(smt::Sort const& _sort);
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std::vector<CVC4::Type> cvc4Sort(std::vector<smt::SortPointer> const& _sorts);
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CVC4::ExprManager m_context;
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CVC4::SmtEngine m_solver;
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std::map<std::string, CVC4::Expr> m_variables;
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// CVC4 "basic resources" limit.
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// This is used to make the runs more deterministic and platform/machine independent.
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// The tests start failing for CVC4 with less than 6000,
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// so using double that.
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static int const resourceLimit = 12000;
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};
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}
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