# File lib/rake/application.rb, line 656
656:     def rakefile_location(backtrace=caller)
657:       backtrace.map { |t| t[/([^:]+):/,1] }
658: 
659:       re = /^#{@rakefile}$/
660:       re = /#{re.source}/i if windows?
661: 
662:       backtrace.find { |str| str =~ re } || ''
663:     end