Warn about only one slur at once.

[lilypond.git] / lily / swallow-perf.cc

diff --git a/lily/swallow-perf.cc b/lily/swallow-perf.cc
index a7be52b0c624e9fff7fb05095a6ce41d8923800a..92c7c4ba9c0bd971732f25a43d82c7fb9bc1806f 100644 (file)
--- a/lily/swallow-perf.cc
+++ b/lily/swallow-perf.cc
@@ -1,11 +1,38 @@
 /*
-  swallow-perf.cc -- implement Swallow_performer
+  swallow-performer.cc -- implement Swallow_performer
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
-#include "swallow-perf.hh"
+#include "performer.hh"
 
-ADD_THIS_TRANSLATOR (Swallow_performer);
+class Swallow_performer : public Performer
+{
+public:
+  TRANSLATOR_DECLARATIONS (Swallow_performer);
+protected:
+  virtual bool try_music (Music *);
+};
+
+bool
+Swallow_performer::try_music (Music *m)
+{
+  if (m->is_mus_type ("busy-playing-event")
+      || m->is_mus_type ("melisma-playing-event"))
+    return false;
+  else
+    return true;
+}
+
+Swallow_performer::Swallow_performer ()
+{}
+
+ADD_TRANSLATOR (Swallow_performer,
+               /* descr */ "",
+               /* creats*/ "",
+               /* accepts */ "general-music",
+               /* acks  */ "",
+               /* reads */ "",
+               /* write */ "");