Untitled

# c pre processor #ruby

context = Object.new
text = STDIN.read.lines
text.delete_if do |l|
  if m = l.match(/^\s*#\s*ruby\s+(?<f>\w+)\s*(?<args>\(.+?\))?\s+(?<body>.+)/)
    context.instance_eval %{def #{m[:f]}#{m[:args]}\n#{m[:body]}\nend}
  end
end
text.each do |l|
  context.singleton_methods.each do |f|
    l.gsub! /#{f}(?:\((.+?)\))?/ do
      context.send f, *($1 || '').split(/,\s*/)
    end
  end
  l
end
puts text