X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftranslator-ctors.cc;h=58d4e515776de03825d00a0f4b8a919b7dd55a88;hb=d22c6ec121fc0a5740fc7c6ca4277db56d0a4e7d;hp=783c39698b56e2328c212e982d611a0ec540c0e3;hpb=d02fb0875e52111272553a47e657b6f58e136e22;p=lilypond.git

diff --git a/lily/translator-ctors.cc b/lily/translator-ctors.cc
index 783c39698b..58d4e51577 100644
--- a/lily/translator-ctors.cc
+++ b/lily/translator-ctors.cc
@@ -1,12 +1,25 @@
 /*
-  translator-ctors.cc -- implement Translator construction
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 1997--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c)  1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.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 "translator.hh"
+
+#include "international.hh"
 #include "scm-hash.hh"
 #include "warn.hh"
 
@@ -14,18 +27,16 @@
   should delete these after exit.
 */
 
-Scheme_hash_table *global_translator_dict=0;
+Scheme_hash_table *global_translator_dict = 0;
 
-LY_DEFINE(get_all_translators,"ly:get-all-translators", 0, 0, 0,  (),
-	  "Return an list of a all translator objects that may be instantiated "
-	  " during a lilypond run.")
+LY_DEFINE (get_all_translators, "ly:get-all-translators", 0, 0, 0, (),
+           "Return a list of all translator objects that may be"
+           " instantiated.")
 {
-  SCM l = global_translator_dict ?  global_translator_dict->to_alist () : SCM_EOL;
+  SCM l = global_translator_dict ? global_translator_dict->to_alist () : SCM_EOL;
 
-  for (SCM s =l; gh_pair_p (s); s = gh_cdr (s))
-    {
-      gh_set_car_x (s, gh_cdar (s));
-    }
+  for (SCM s = l; scm_is_pair (s); s = scm_cdr (s))
+    scm_set_car_x (s, scm_cdar (s));
 
   return l;
 }
@@ -36,11 +47,13 @@ add_translator (Translator *t)
   if (!global_translator_dict)
     global_translator_dict = new Scheme_hash_table;
 
-  SCM k= ly_symbol2scm  (classname (t));
+  SCM k = ly_symbol2scm (t->class_name ());
   global_translator_dict->set (k, t->self_scm ());
+
+  t->unprotect ();
 }
 
-Translator*
+Translator *
 get_translator (SCM sym)
 {
   SCM v = SCM_BOOL_F;
@@ -48,7 +61,10 @@ get_translator (SCM sym)
     global_translator_dict->try_retrieve (sym, &v);
 
   if (v == SCM_BOOL_F)
-    error (_f ("unknown translator: `%s'", ly_symbol2string (sym).to_str0 ()));
+    {
+      warning (_f ("unknown translator: `%s'", ly_symbol2string (sym).c_str ()));
+      return 0;
+    }
 
   return unsmob_translator (v);
 }