polyglot_scope.h

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#ifndef MYSQLSHDK_SCRIPTING_POLYGLOT_UTILS_POLYGLOT_SCOPE_H_
#define MYSQLSHDK_SCRIPTING_POLYGLOT_UTILS_POLYGLOT_SCOPE_H_
 
#include "utils/polyglot_api_clean.h"
 
namespace shcore {
namespace polyglot {
 
/**
 * Utility class to create a polyglot handle scope which is wiped out as soon as
 * the instance goes out of scope in C++, this is used to avoid polluting the
 * main scope with references preventing garbage collection from cleaning no
 * longer needed objects.
 */
class Polyglot_scope final {
 public:
  Polyglot_scope() = delete;
  explicit Polyglot_scope(poly_thread thread);
 
  Polyglot_scope(const Polyglot_scope &) = delete;
  Polyglot_scope &operator=(const Polyglot_scope &) = delete;
 
  Polyglot_scope(Polyglot_scope &&) = delete;
  Polyglot_scope &operator=(Polyglot_scope &&) = delete;
 
  void close();
 
  ~Polyglot_scope() { close(); }
 
 private:
  poly_thread m_thread;
  bool m_open = false;
};
}  // namespace polyglot
}  // namespace shcore
 
#endif  // MYSQLSHDK_SCRIPTING_POLYGLOT_UTILS_POLYGLOT_SCOPE_H_