.irbrc

require 'rubygems'

# intericense
require 'irb/completion'

# history
require 'irb/ext/save-history'
IRB.conf[:SAVE_HISTORY] = 1000
IRB.conf[:HISTORY_FILE] = "#{ENV['HOME']}/.irb-save-history"

# color
=begin
require 'wirble'
Wirble.init
Wirble.colorize
#conf.prompt_mode = :DEFAULT
=end

# command
def ls path = ""
  print system('ls -CF ' + path )
end

def cat filename
  print open(filename).read
end

def cd(o) irb(o) end

# liblary
#require 'yaml'
#require 'rexml/document'

# tracer
def add_hook( klass, method, before, after )
  klass.instance_eval do
    original = instance_method( method )
    define_method( method ) do
      before.call( self)
      begin
        result = original.bind( self ).call
      rescue Exception => e
        after.call( self, nil, result, e )
      else
        after.call( self, nil, result, nil )
      end
      result
    end
  end
end

def trace(klass)
  klass.instance_methods(false).each do |m|
    add_hook(klass, m, lambda{puts "# start --- #{m}"}, lambda{puts "# end --- #{m}"})
  end
end