* tool/transcode-tblgen.rb (transcode_tblgen): log message refined.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19225 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 7 insertions, 1 deletions

diff --git a/tool/transcode-tblgen.rb b/tool/transcode-tblgen.rb
index b90b18cc1e..2eb4a01565 100644
--- a/tool/transcode-tblgen.rb
+++ b/tool/transcode-tblgen.rb
@@ -603,7 +603,13 @@ TRANSCODERS = []
 TRANSCODE_GENERATED_TRANSCODER_CODE = ''
 
 def transcode_tblgen(from, to, map)
-  STDERR.puts "converter from #{from} to #{to}" if VERBOSE_MODE
+  if VERBOSE_MODE
+    if from.empty? || to.empty?
+      STDERR.puts "converter for #{from.empty? ? to : from}"
+    else
+      STDERR.puts "converter from #{from} to #{to}"
+    end
+  end
   id_from = from.tr('^0-9A-Za-z', '_')
   id_to = to.tr('^0-9A-Za-z', '_')
   if from == "UTF-8"