/*
- interface.hh -- declare Interface
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2002--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 2002--2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ LilyPond 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.
+
+ LilyPond 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 LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INTERFACE_HH
#include "lily-guile.hh"
-#define ADD_INTERFACE(cl, a, b, c) \
- bool cl::has_interface (Grob *me) \
- { \
- return me->internal_has_interface (ly_symbol2scm (a)); \
- } \
- void cl ## _init_ifaces () \
- { \
- add_interface (a, b, c); \
- } \
+#define DECLARE_GROB_INTERFACE() \
+ static SCM interface_symbol_; \
+ static bool has_interface (Grob*)
+
+#define ADD_INTERFACE(cl, b, c) \
+ SCM cl::interface_symbol_; \
+ bool cl::has_interface (Grob *me) \
+ { \
+ return me->internal_has_interface (interface_symbol_); \
+ } \
+ void cl ## _init_ifaces () \
+ { \
+ cl::interface_symbol_ = add_interface (#cl, b, c); \
+ } \
ADD_SCM_INIT_FUNC (cl ## ifaces, cl ## _init_ifaces);
-void add_interface (char const *symbol,
- char const *descr,
- char const *vars);
+SCM add_interface (char const *cxx_name,
+ char const *descr,
+ char const *vars);
SCM ly_add_interface (SCM, SCM, SCM);
+void internal_add_interface (SCM, SCM, SCM);
SCM ly_all_grob_interfaces ();
#endif /* INTERFACE_HH */