* tool/transcode-tblgen.rb: add prefix for byte_array and word_array.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19069 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 8 insertions, 3 deletions

diff --git a/tool/transcode-tblgen.rb b/tool/transcode-tblgen.rb
index e33c7f13ca..96f2e8f640 100644
--- a/tool/transcode-tblgen.rb
+++ b/tool/transcode-tblgen.rb
@@ -328,7 +328,7 @@ class ActionMap
       if bytes_code.empty?
         bytes_code << <<"End"
 static const unsigned char
-byte_array[0] = {
+#{OUTPUT_PREFIX}byte_array[0] = {
 };
 End
       end
@@ -345,7 +345,7 @@ End
     if words_code.empty?
       words_code << <<"End"
 static const uintptr_t
-word_array[0] = {
+#{OUTPUT_PREFIX}word_array[0] = {
 };
 End
     end
@@ -609,7 +609,7 @@ end
 def transcode_generated_code
   TRANSCODE_GENERATED_BYTES_CODE +
     TRANSCODE_GENERATED_WORDS_CODE +
-    "\#define TRANSCODE_TABLE_INFO byte_array, word_array, sizeof(uintptr_t)\n" +
+    "\#define TRANSCODE_TABLE_INFO #{OUTPUT_PREFIX}byte_array, #{OUTPUT_PREFIX}word_array, sizeof(uintptr_t)\n" +
     TRANSCODE_GENERATED_TRANSCODER_CODE
 end
 
@@ -716,6 +716,11 @@ op.parse!
 
 VERBOSE_MODE = verbose_mode
 
+OUTPUT_FILENAME = output_filename
+OUTPUT_PREFIX = output_filename ? File.basename(output_filename)[/\A[A-Za-z0-9_]*/] : ""
+OUTPUT_PREFIX.sub!(/\A_+/, '')
+OUTPUT_PREFIX.sub!(/_*\z/, '_')
+
 arg = ARGV.shift
 $srcdir = File.dirname(arg)
 $:.unshift $srcdir unless $:.include? $srcdir