solidity/libsolidity/formal/Z3CHCInterface.h
2020-01-07 15:51:50 +01:00

56 lines
1.5 KiB
C++

/*
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/>.
*/
/**
* Z3 specific Horn solver interface.
*/
#pragma once
#include <libsolidity/formal/CHCSolverInterface.h>
#include <libsolidity/formal/Z3Interface.h>
namespace solidity::frontend::smt
{
class Z3CHCInterface: public CHCSolverInterface
{
public:
Z3CHCInterface();
/// Forwards variable declaration to Z3Interface.
void declareVariable(std::string const& _name, SortPointer const& _sort) override;
void registerRelation(Expression const& _expr) override;
void addRule(Expression const& _expr, std::string const& _name) override;
std::pair<CheckResult, std::vector<std::string>> query(Expression const& _expr) override;
Z3Interface* z3Interface() const { return m_z3Interface.get(); }
private:
// Used to handle variables.
std::unique_ptr<Z3Interface> m_z3Interface;
z3::context* m_context;
// Horn solver.
z3::fixedpoint m_solver;
};
}