2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2002--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
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.
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.
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/>.
23 #include "lily-guile.hh"
25 #define DECLARE_GROB_INTERFACE() \
26 static SCM interface_symbol_; \
27 static bool has_interface (Grob*)
29 #define ADD_INTERFACE(cl, b, c) \
30 SCM cl::interface_symbol_; \
31 bool cl::has_interface (Grob *me) \
33 return me->internal_has_interface (interface_symbol_); \
35 void cl ## _init_ifaces () \
37 cl::interface_symbol_ = add_interface (#cl, b, c); \
39 ADD_SCM_INIT_FUNC (cl ## ifaces, cl ## _init_ifaces);
41 SCM add_interface (char const *cxx_name,
45 SCM ly_add_interface (SCM, SCM, SCM);
46 void internal_add_interface (SCM, SCM, SCM);
47 SCM ly_all_grob_interfaces ();
49 #endif /* INTERFACE_HH */