lily/include/protected-scm.hh

   1 /*
   2   This file is part of LilyPond, the GNU music typesetter.
   3
   4   Copyright (C) 1998--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
   5
   6   LilyPond is free software: you can redistribute it and/or modify
   7   it under the terms of the GNU General Public License as published by
   8   the Free Software Foundation, either version 3 of the License, or
   9   (at your option) any later version.
  10
  11   LilyPond is distributed in the hope that it will be useful,
  12   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14   GNU General Public License for more details.
  15
  16   You should have received a copy of the GNU General Public License
  17   along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #ifndef PROTECTED_SCM_HH
  21 #define PROTECTED_SCM_HH
  22
  23 #include "lily-guile.hh"
  24
  25 /*
  26   Mix GUILE GC with C++ ctors and dtors.
  27 */
  28 class Protected_scm
  29 {
  30   SCM object_;
  31 public:
  32   Protected_scm ();
  33   Protected_scm (SCM);
  34   Protected_scm (Protected_scm const &);
  35   ~Protected_scm ();
  36   Protected_scm &operator = (SCM);
  37   Protected_scm &operator = (Protected_scm const &);
  38   operator SCM () const;
  39   SCM to_SCM () const;
  40 };
  41
  42 #endif /* PROTECTED_SCM_HH */