mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
69 lines
2.0 KiB
C++
69 lines
2.0 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/>.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <libsolidity/formal/SolverInterface.h>
|
|
#include <boost/noncopyable.hpp>
|
|
#include <z3++.h>
|
|
|
|
namespace solidity::frontend::smt
|
|
{
|
|
|
|
class Z3Interface: public SolverInterface, public boost::noncopyable
|
|
{
|
|
public:
|
|
Z3Interface();
|
|
|
|
void reset() override;
|
|
|
|
void push() override;
|
|
void pop() override;
|
|
|
|
void declareVariable(std::string const& _name, SortPointer const& _sort) override;
|
|
|
|
void addAssertion(Expression const& _expr) override;
|
|
std::pair<CheckResult, std::vector<std::string>> check(std::vector<Expression> const& _expressionsToEvaluate) override;
|
|
|
|
z3::expr toZ3Expr(Expression const& _expr);
|
|
|
|
std::map<std::string, z3::expr> constants() const { return m_constants; }
|
|
std::map<std::string, z3::func_decl> functions() const { return m_functions; }
|
|
|
|
z3::context* context() { return &m_context; }
|
|
|
|
// Z3 "basic resources" limit.
|
|
// This is used to make the runs more deterministic and platform/machine independent.
|
|
// The tests start failing for Z3 with less than 20000000,
|
|
// so using double that.
|
|
static int const resourceLimit = 40000000;
|
|
|
|
private:
|
|
void declareFunction(std::string const& _name, Sort const& _sort);
|
|
|
|
z3::sort z3Sort(smt::Sort const& _sort);
|
|
z3::sort_vector z3Sort(std::vector<smt::SortPointer> const& _sorts);
|
|
|
|
std::map<std::string, z3::expr> m_constants;
|
|
std::map<std::string, z3::func_decl> m_functions;
|
|
|
|
z3::context m_context;
|
|
z3::solver m_solver;
|
|
};
|
|
|
|
}
|