add script to rename fields

1 files changed, 28 insertions, 0 deletions

diff --git a/rename_fields.rb b/rename_fields.rb
new file mode 100644
index 0000000..d62e15e
--- /dev/null
+++ b/rename_fields.rb
@@ -0,0 +1,28 @@
+#!/usr/bin/env ruby1.9.1
+#charset: utf-8
+require 'pp'
+
+files = Dir[ARGV[0]]
+
+# 1. Search for every register field description
+# 2. Replace
+
+$reg = /\/\*\s*(\w+) bits\s*\*\/\s*\n((?:#.+?\n)+)/i
+$def = /^#\s*define[ \t]+([^ \t]+)/
+regs = [] 
+files.each do |f|
+    File.read(f).scan($reg).each do |match|
+        reg, fields = match
+        fields.scan($def).each do |field|
+            regs << [reg, field[0]]
+        end
+    end
+end
+
+files.each do |f|
+    regs.each do |reg_field|
+        reg, field = reg_field
+        t = File.read(f).gsub(/\b#{field}\b/, reg+'_'+field)
+        File.open(f, 'w') {|w| w.print t}
+    end
+end