-#include "simple-music-iterator.hh"
-#include "translator-group.hh"
+/*
+ This file is part of LilyPond, the GNU music typesetter.
+
+ Copyright (C) 2004--2014 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/>.
+*/
+
+#include "context.hh"
+#include "input.hh"
+#include "international.hh"
#include "music.hh"
+#include "simple-music-iterator.hh"
-/**
- Iterate a property.
- */
class Apply_context_iterator : public Simple_music_iterator
{
public:
- DECLARE_SCHEME_CALLBACK(constructor, ());
+ DECLARE_SCHEME_CALLBACK (constructor, ());
protected:
virtual void process (Moment);
};
-
void
Apply_context_iterator::process (Moment m)
{
- SCM proc = get_music ()->get_mus_property ("procedure");
+ SCM proc = get_music ()->get_property ("procedure");
+
+ if (ly_is_procedure (proc))
+ scm_call_1 (proc, get_outlet ()->self_scm ());
+ else
+ get_music ()->origin ()->warning (_ ("\\applycontext argument is not a procedure"));
- scm_call_1 (proc, get_outlet ()->self_scm());
-
Simple_music_iterator::process (m);
}
IMPLEMENT_CTOR_CALLBACK (Apply_context_iterator);
-
+