Remove flip-flop usages from build scripts

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63669 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 11 insertions, 10 deletions

diff --git a/template/transdb.h.tmpl b/template/transdb.h.tmpl
index d0cf101344..16565dd638 100644
--- a/template/transdb.h.tmpl
+++ b/template/transdb.h.tmpl
@@ -36,17 +36,18 @@ transdirs.each do |transdir|
     files[fn] = true
     path = File.join(transdir,fn)
     open(path) do |f|
+      transcoder_def = false
       f.each_line do |line|
-        if (/^static const rb_transcoder/ =~ line)..(/"(.*?)"\s*,\s*"(.*?)"/ =~ line)
-          if $1 && $2
-            from_to = "%s to %s" % [$1, $2]
-            if converters[from_to]
-              raise ArgumentError, '%s:%d: transcode "%s" is already registered at %s:%d' %
-              [path, $., from_to, *converters[from_to].values_at(3, 4)]
-            else
-              converters[from_to] = [$1, $2, fn[0..-3], path, $.]
-              converter_list << from_to
-            end
+        transcoder_def = true if /^static const rb_transcoder/ =~ line
+        if transcoder_def && /"(.*?)"\s*,\s*"(.*?)"/ =~ line
+          transcoder_def = false
+          from_to = "%s to %s" % [$1, $2]
+          if converters[from_to]
+            raise ArgumentError, '%s:%d: transcode "%s" is already registered at %s:%d' %
+            [path, $., from_to, *converters[from_to].values_at(3, 4)]
+          else
+            converters[from_to] = [$1, $2, fn[0..-3], path, $.]
+            converter_list << from_to
           end
         end
       end