1 files changed, 24 insertions, 0 deletions
diff --git a/jni/ruby/tool/id2token.rb b/jni/ruby/tool/id2token.rb
new file mode 100755
index 0000000..191b872
--- /dev/null
+++ b/jni/ruby/tool/id2token.rb
@@ -0,0 +1,24 @@
+#! /usr/bin/ruby -p
+# -*- coding: us-ascii -*-
+BEGIN {
+  require 'optparse'
+  $:.unshift(File.dirname(__FILE__))
+  require 'vpath'
+  vpath = VPath.new
+  header = nil
+
+  opt = OptionParser.new do |o|
+    vpath.def_options(o)
+    header = o.order!(ARGV).shift
+  end or abort opt.opt_s
+
+  TOKENS = {}
+  h = vpath.read(header) rescue abort("#{header} not found in #{vpath.inspect}")
+  h.scan(/^#define\s+RUBY_TOKEN_(\w+)\s+(\d+)/) do |token, id|
+    TOKENS[token] = id
+  end
+
+  TOKENS_RE = /\bRUBY_TOKEN\((#{TOKENS.keys.join('|')})\)\s*(?=\s)/
+}
+
+$_.gsub!(TOKENS_RE) {TOKENS[$1]} if /^%token/ =~ $_