From: Michel Demazure <michel@...>
Date: 2010-08-25T01:07:34+09:00
Subject: Re: Static code analysis in Ruby 1.9

Hubert Lepicki wrote:
> 
> I am wondering if I can perform 1.9 code analysis with other tools? If
> not, maybe I can convert 1.9 code to 1.8 code in some automatic way?
> 
> Thanks,
> Hubert

For quite a long time now, I have been using all the 1.8 tools (flog, 
flay, reek, ...) after filtering the 1.9 files thru the following ad hoc 
rake tast

desc "copy in flog_temp with 1.8 hash syntax, ascii characters and unix 
end_of_line"
task :convert do
  flog_temp = File.join(SRC, 'flog_temp')
  Dir.chdir(flog_temp)
  Dir.glob('**/*.rb') { |name| File.delete(name) }
  Dir.chdir(SRC)
  list = Dir.glob('lib/**/*.rb')
  list.each do |name|
    arr = IO.readlines(File.join(SRC, name))
    File.open(File.join(flog_temp, name), "wb:utf-8") do |f|
      arr.each do |line|
        line.gsub!(/:(nodoc|startdoc|stopdoc):/, "")
        line.gsub!(/(\w+):\s+/, ':\1 => ')
        line.gsub!(/[éèàêîôùïöüë]/, "_")
        f.print line
      end
    end
  end
end

HTH,
_md
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