From 6c835ee50ae152daf75d4bd3a63570b7480b1c89 Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 1 Sep 2008 17:06:07 +0000
Subject: * tool/transcode-tblgen.rb: make infos arrays and BYTE_LOOKUPs into  
 single array.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19042 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog                |  5 +++++
 tool/transcode-tblgen.rb | 44 ++++++++++++++++++++++++++++----------------
 2 files changed, 33 insertions(+), 16 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index f142d6b2ec..ba629462dd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Sep  2 02:05:14 2008  Tanaka Akira  <akr@fsij.org>
+
+	* tool/transcode-tblgen.rb: make infos arrays and BYTE_LOOKUPs into
+	  single array.
+
 Tue Sep  2 01:47:44 2008  Yuki Sonoda (Yugui)  <yugui@yugui.jp>
 
 	* common.mk (clean-golf): added.
diff --git a/tool/transcode-tblgen.rb b/tool/transcode-tblgen.rb
index cdeb27f0fd..4702600895 100644
--- a/tool/transcode-tblgen.rb
+++ b/tool/transcode-tblgen.rb
@@ -2,6 +2,8 @@ require 'optparse'
 require 'erb'
 require 'fileutils'
 
+NUM_ELEM_BYTELOOKUP = 2
+
 C_ESC = {
   "\\" => "\\\\",
   '"' => '\"',
@@ -284,7 +286,7 @@ class ActionMap
     infos = infos.map {|info| generate_info(info) }
     maxlen = infos.map {|info| info.length }.max
     columns = maxlen <= 16 ? 4 : 2
-    code = "{\n"
+    code = ""
     0.step(infos.length-1, columns) {|i|
       code << "    "
       is = infos[i,columns]
@@ -293,7 +295,6 @@ class ActionMap
       }
       code << "\n"
     }
-    code << "}"
     code
   end
 
@@ -341,29 +342,40 @@ End
       bytes_code.sub!(/\[\d+\]/) { "[#{size}]" }
     end
 
+    if words_code.empty?
+      words_code << <<"End"
+static const uintptr_t
+word_array[0] = {
+};
+End
+    end
+
     if n = InfosMemo[infos]
       infos_name = n
-      infos_code = ''
     else
       infos_name = "#{name}_infos"
-      infos_code = <<"End"
-static const uintptr_t
-#{infos_name}[#{infos.length}] = #{format_infos(infos)};
-\#define #{infos_name} ((uintptr_t)#{infos_name})
-End
       InfosMemo[infos] = infos_name
+
+      size = words_code[/\[\d+\]/][1...-1].to_i
+      words_code.sub!(/^(\};\n\z)/) {
+        "\#define #{infos_name} (((uintptr_t)word_array)+sizeof(uintptr_t)*#{size})\n" +
+        format_infos(infos) + "\n" +
+        $1
+      }
+      size += infos.length
+      words_code.sub!(/\[\d+\]/) { "[#{size}]" }
     end
 
-    r = infos_code + <<"End"
-static const BYTE_LOOKUP
-#{name} = {
+    size = words_code[/\[\d+\]/][1...-1].to_i
+    words_code.sub!(/^(\};\n\z)/) {
+      "\#define #{name} ((uintptr_t)(word_array+#{size}))\n" +
+      <<"End" + "\n" + $1
     (uintptr_t)#{offsets_name},
-    #{infos_name}
-};
-\#define #{name} ((uintptr_t)#{name})
-
+    #{infos_name},
 End
-    words_code << r
+    }
+    size += NUM_ELEM_BYTELOOKUP
+    words_code.sub!(/\[\d+\]/) { "[#{size}]" }
   end
 
   PreMemo = {}
-- 
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