Run grand-replace (issue 3765)

[lilypond.git] / lily / change-iterator.cc

diff --git a/lily/change-iterator.cc b/lily/change-iterator.cc
index 43631687c88c5594d580cde15daeee852b710955..631a3333983df6ff641e277dece3ece928629973 100644 (file)
--- a/lily/change-iterator.cc
+++ b/lily/change-iterator.cc
@@ -1,9 +1,20 @@
 /*
-  change-iterator.cc -- implement Change_iterator
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 1997--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 1997--2005 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 "change-iterator.hh"
@@ -15,20 +26,20 @@
 #include "warn.hh"
 
 void
-Change_iterator::error (string reason)
+Change_iterator::error (const string &reason)
 {
   string to_type = ly_symbol2string (get_music ()->get_property ("change-to-type"));
   string to_id = ly_scm2string (get_music ()->get_property ("change-to-id"));
 
-  string warn1 = _f ("can't change `%s' to `%s'", to_type, to_id)
-    + ": " + reason;
+  string warn1 = _f ("cannot change `%s' to `%s'", to_type, to_id)
+                 + ": " + reason;
 
   /*
     GUHG!
   */
-  string warn2= "Change_iterator::process (): "
-    + get_outlet ()->context_name () + " = `"
-    + get_outlet ()->id_string () + "': ";
+  string warn2 = "Change_iterator::process (): "
+                 + get_outlet ()->context_name () + " = `"
+                 + get_outlet ()->id_string () + "': ";
   warning (warn2);
   get_music ()->origin ()->warning (warn1);
 }
@@ -58,37 +69,37 @@ Change_iterator::process (Moment m)
   if (current && current->id_string () == to_id)
     {
       string msg;
-      msg += _f ("can't change, already in translator: %s", to_id);
+      msg += _f ("cannot change, already in translator: %s", to_id);
     }
 
   if (current)
     if (last)
       {
-       Context *dest = 0;
-       Context *where = get_outlet ();
-       while (!dest && where)
-         {
-           dest = find_context_below (where, to_type, to_id);
-           where = where->get_parent_context ();
-         }
-
-       if (dest)
-         {
-           current->remove_context (last);
-           dest->add_context (last);
-         }
-       else
-         /* FIXME: constant error message.  */
-         get_music ()->origin ()->warning (_ ("can't find context to switch to"));
+        Context *dest = 0;
+        Context *where = get_outlet ();
+        while (!dest && where)
+          {
+            dest = find_context_below (where, to_type, to_id);
+            where = where->get_parent_context ();
+          }
+
+        if (dest)
+          {
+            send_stream_event (last, "ChangeParent", get_music ()->origin (),
+                               ly_symbol2scm ("context"), dest->self_scm ());
+          }
+        else
+          /* FIXME: constant error message.  */
+          get_music ()->origin ()->warning (_ ("cannot find context to switch to"));
       }
     else
       {
-       /* We could change the current translator's id, but that would make
-          errors hard to catch.
+        /* We could change the current translator's id, but that would make
+           errors hard to catch.
 
-          last->translator_id_string () = get_change
-          ()->change_to_id_string (); */
-       error (_f ("not changing to same context type: %s", to_type));
+           last->translator_id_string () = get_change
+           ()->change_to_id_string (); */
+        error (_f ("not changing to same context type: %s", ly_symbol2string (to_type).c_str ()));
       }
   else
     /* FIXME: uncomprehensable message */