X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftranslator-ctors.cc;h=ab1a7db144faf370a56b45bacd1549b1354ea2e6;hb=fe6ac195a56469e97baceeec305a1f23ce19e022;hp=783c39698b56e2328c212e982d611a0ec540c0e3;hpb=d02fb0875e52111272553a47e657b6f58e136e22;p=lilypond.git

diff --git a/lily/translator-ctors.cc b/lily/translator-ctors.cc
index 783c39698b..ab1a7db144 100644
--- a/lily/translator-ctors.cc
+++ b/lily/translator-ctors.cc
@@ -3,10 +3,12 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1997--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #include "translator.hh"
+
+#include "international.hh"
 #include "scm-hash.hh"
 #include "warn.hh"
 
@@ -14,18 +16,16 @@
   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 +36,13 @@ 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 +50,10 @@ 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);
 }