nixpulvis/class_generator.rb

## class_generator.rb
data = File.read('classes.txt')
classes = data.split(/^$\n/)
classes.each do |klass|
  name, *methods = klass.split(/:?\n/)
  Object.const_set(name, Class.new do
    methods.each do |method|
      parse = method.match(/(?<name>\w+) \(?(?<arguments>[\w\, ]*)\)? ?-> {(?<body>.*)}/)
      if parse[:arguments].empty?
        define_method(parse[:name]) { eval parse[:body] }
      else
        arguments = parse[:arguments].split(', ')

        define_method(parse[:name]) do |*args|
          eigenclass = class << self; self; end
          arguments.each_with_index do |arg, i|
            eigenclass.class_eval { attr_accessor arg }
            eval "self.#{arg} = :#{args[i]}"
          end
          eval parse[:body]
        end
      end
    end
  end)
end

## classes.txt
Foo:
  math -> { 1 + 3 }
  strings (a, b) -> { "#{a} and #{b}" }

Bar:
  google -> { `curl www.google.com` }
  funny -> { google.gsub("Lucky", "Funny") }
	data = File.read('classes.txt')
	classes = data.split(/^$\n/)
	classes.each do \|klass\|
	name, *methods = klass.split(/:?\n/)
	Object.const_set(name, Class.new do
	methods.each do \|method\|
	parse = method.match(/(?<name>\w+) \(?(?<arguments>[\w\, ])\)? ?-> {(?<body>.)}/)
	if parse[:arguments].empty?
	define_method(parse[:name]) { eval parse[:body] }
	else
	arguments = parse[:arguments].split(', ')

	define_method(parse[:name]) do \|*args\|
	eigenclass = class << self; self; end
	arguments.each_with_index do \|arg, i\|
	eigenclass.class_eval { attr_accessor arg }
	eval "self.#{arg} = :#{args[i]}"
	end
	eval parse[:body]
	end
	end
	end
	end)
	end
	Foo:
	math -> { 1 + 3 }
	strings (a, b) -> { "#{a} and #{b}" }

	Bar:
	google -> { `curl www.google.com` }
	funny -> { google.gsub("Lucky", "Funny") }