X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fmusic.hh;h=8cb69d0700b724e91f7b62f51d12074f86ec7caa;hb=47db9a3883d726ca53e2133a3b2298f78dd6a32e;hp=7b290482faf85df30829e4ac2e25dd8e951e2b96;hpb=e42585017a01fd02f6353b994cf0c87b03a7bb2e;p=lilypond.git

diff --git a/lily/include/music.hh b/lily/include/music.hh
index 7b290482fa..8cb69d0700 100644
--- a/lily/include/music.hh
+++ b/lily/include/music.hh
@@ -1,9 +1,20 @@
 /*
-  music.hh -- declare Music
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 1997--2006 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 MUSIC_HH
@@ -36,18 +47,24 @@ public:
   Moment get_length () const;
   Moment start_mom () const;
   void print () const;
+  static Music *unsmob (SCM m) {
+    return dynamic_cast <Music *> (Prob::unsmob (m));
+  }
+  static bool is_smob (SCM m) {
+    return Prob::is_smob (m) && unsmob (m);
+  }
 
   /// Transpose, with the interval central C to #p#
   void transpose (Pitch p);
 
   /// Scale the music in time by #factor#.
   void compress (Moment factor);
-  
+
   // Broadcast the event in a context's event-source.
   void send_to_context (Context *c);
 
   DECLARE_SCHEME_CALLBACK (duration_length_callback, (SCM));
- 
+
 protected:
   virtual SCM copy_mutable_properties () const;
   virtual void type_check_assignment (SCM, SCM) const;
@@ -58,10 +75,9 @@ protected:
   friend SCM ly_extended_make_music (SCM, SCM);
 };
 
-Music *unsmob_music (SCM);
 Music *make_music_by_name (SCM sym);
 SCM ly_music_deep_copy (SCM);
-SCM ly_camel_case_to_lisp_identifier (SCM name_sym);
+SCM ly_camel_case_2_lisp_identifier (SCM name_sym);
 
 extern SCM ly_music_p_proc;