src/graphics/ScopeProtector.h

//  Rkernel is an execution kernel for R interpreter
//  Copyright (C) 2019 JetBrains s.r.o.
//
//  This program 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.
//
//  This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.


#ifndef SCOPE_PROTECTOR_H
#define SCOPE_PROTECTOR_H

#include <memory>

#include <Rinternals.h>

namespace graphics {

class ScopeProtector {
public:
  ScopeProtector();

  ScopeProtector(const ScopeProtector &) = delete;
  ScopeProtector &operator=(const ScopeProtector &) = delete;

  virtual ~ScopeProtector();

  void add(SEXP sexp);

private:
  class Impl;

  const std::unique_ptr<Impl> pImpl;
};

}  // graphics

#endif // SCOPE_PROTECTOR_H