Read this article by Daniel Berger first.
I just implemented his suggestions and made them available via RubyGems and our rug-b Rubyforge account. Have a look at the gems website and leave me a comment, if you like.
A simple gem install structured_warnings will bring it to your machine, another require 'structured_warnings' brings it to your project and tests.
The implementation relies heavily on Christian Neukirchen’s dynamic.rb.
Disclaimer: I cannot manipulate the rb_warn method, so all the “method redefined”, “void context” and “parenthesis” warnings will remain active.
The Ruby Ahead is my private blog. It once covered
the development of my Master's thesis and the occompanying code.