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 89f7233de6ac970fbec162e02145717d0c7f461c..8d64b40ce8134672fcc1e53dfa28daedbfcfab4a 100644 (file)
--- a/lily/spanner-break-forbid-engraver.cc
+++ b/lily/spanner-break-forbid-engraver.cc
@@ -26,15 +26,13 @@
 
 #include "translator.icc"
 
-using std::vector;
-
 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 ();
 };
@@ -68,8 +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.",