Issue 4910/1: Fix memory leak in ly:spawn ()

[lilypond.git] / lily / spanner-break-forbid-engraver.cc

diff --git a/lily/spanner-break-forbid-engraver.cc b/lily/spanner-break-forbid-engraver.cc
index 980709005c2ee472109d21b67f7e41eac98264d6..8d64b40ce8134672fcc1e53dfa28daedbfcfab4a 100644 (file)
--- a/lily/spanner-break-forbid-engraver.cc
+++ b/lily/spanner-break-forbid-engraver.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 2007--2014 Han-Wen Nienhuys <hanwen@lilypond.org>
+  Copyright (C) 2007--2015 Han-Wen Nienhuys <hanwen@lilypond.org>
 
   LilyPond is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -31,8 +31,8 @@ class Spanner_break_forbid_engraver : public Engraver
   TRANSLATOR_DECLARATIONS (Spanner_break_forbid_engraver);
   vector<Spanner *> running_spanners_;
 protected:
-  DECLARE_ACKNOWLEDGER (unbreakable_spanner);
-  DECLARE_END_ACKNOWLEDGER (unbreakable_spanner);
+  void acknowledge_unbreakable_spanner (Grob_info);
+  void acknowledge_end_unbreakable_spanner (Grob_info);
 
   void process_music ();
 };
@@ -66,8 +66,13 @@ Spanner_break_forbid_engraver::Spanner_break_forbid_engraver ()
 {
 }
 
-ADD_END_ACKNOWLEDGER (Spanner_break_forbid_engraver, unbreakable_spanner);
-ADD_ACKNOWLEDGER (Spanner_break_forbid_engraver, unbreakable_spanner);
+void
+Spanner_break_forbid_engraver::boot ()
+{
+  ADD_END_ACKNOWLEDGER (Spanner_break_forbid_engraver, unbreakable_spanner);
+  ADD_ACKNOWLEDGER (Spanner_break_forbid_engraver, unbreakable_spanner);
+}
+
 ADD_TRANSLATOR (Spanner_break_forbid_engraver,
                 /* doc */
                 "Forbid breaks in certain spanners.",