Doing Aspect-Oriented Programming : Aspect Oriented Programming « Development « Ruby

1. Ruby
2. Development
3. Aspect Oriented Programming

Doing Aspect-Oriented Programming

require 'aspectr'
class Verbose < AspectR::Aspect

 def describe(method_sym, object, *args)
    "#{object.inspect}.#{method_sym}(#{args.join(",")})"
  end

  def before(method_sym, object, return_value, *args)
    puts "About to call #{describe(method_sym, object, *args)}."
  end

  def after(method_sym, object, return_value, *args)
    puts "#{describe(method_sym, object, *args)} has returned " +
      return_value.inspect + '.'
  end
end

verbose = Verbose.new
stack = []
verbose.wrap(stack, :before, :after, :push, :pop)

p stack.push(10)
p stack.pop

 

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