* tool/transcode-tblgen.rb (ArrayCode): less string substitutions.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@19242 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 12 insertions, 11 deletions

diff --git a/tool/transcode-tblgen.rb b/tool/transcode-tblgen.rb
index 2eb4a0156..64d184c51 100644
--- a/tool/transcode-tblgen.rb
+++ b/tool/transcode-tblgen.rb
@@ -157,27 +157,28 @@ end
 
 class ArrayCode
   def initialize(type, name)
-    @code = <<"End"
-static const #{type}
-#{name}[0] = {
-};
-End
+    @type = type
+    @name = name
+    @len = 0;
+    @content = ''
   end
 
   def length
-    @code[/\[\d+\]/][1...-1].to_i
+    @len
   end
 
   def insert_at_last(num, str)
     newnum = self.length + num
-    @code.sub!(/^(\};\n\z)/) {
-      str + $1
-    }
-    @code.sub!(/\[\d+\]/) { "[#{newnum}]" }
+    @content << str
+    @len += num
   end
 
   def to_s
-    @code.dup
+    <<"End"
+static const #{@type}
+#{@name}[#{@len}] = {
+#{@content}};
+End
   end
 end