Top Level Namespace

Defined Under Namespace

Modules: Kernel Classes: Aspect, Class, Cut, Joinpoint, Symbol, Target

Instance Method Summary collapse

Instance Method Details

#cross_cut(klass) ⇒ Object 



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# File 'lib/cuts/aop.rb', line 108

def cross_cut(klass)
  Cut.new(klass) do
    define_method :__base__ do klass end

    all_instance_methods.each do |meth|
      undef_method(meth) unless meth.to_s =~ /(^__|initialize$|p$|class$|inspect$)/
    end

    #def initialize(base, *args, &block)
    #  @base     = base
    #  @delegate = base.__new(*args, &block)
    #  @advices  = {}
    #end

    def method_missing(sym, *args, &blk)
#  p "METHOD MISSING: #{sym}" #if DEBUG

      @advices ||= {}

      base = __base__

      jp = Joinpoint.new(self, base, sym, *args, &blk)

      # calculate advices on first use.
      unless @advices[sym]
        @advices[sym] = []
        base.aspects.each do |aspect|
          aspect.points.each do |advice, matches|
            matches.each do |match|
              if jp === match
                @advices[sym] << [aspect, advice]
              end
            end
          end
        end
      end

      target = jp #Target.new(self, sym, *args, &blk)  # Target == JoinPoint ?

      @advices[sym].each do |(aspect, advice)|
        target = Target.new(aspect, advice, target)
      end

      target.super
    end
  end
end