class Object

Public Instance Methods

ancestors() click to toggle source
# File lib/sup/util.rb, line 121
def ancestors
  ret = []
  klass = self.class

  until klass == Object
    ret << klass
    klass = klass.superclass
  end
  ret
end
id() click to toggle source

this is for debugging purposes because i keep calling id on the wrong object and i want it to throw an exception

# File lib/sup.rb, line 16
def id
  raise "wrong id called on #{self.inspect}"
end
ignore_concurrent_calls(*methods) click to toggle source
# File lib/sup/util.rb, line 149
  def ignore_concurrent_calls *methods
    methods.each do |meth|
      mutex = "@__concurrent_protector_#{meth}"
      flag = "@__concurrent_flag_#{meth}"
      oldmeth = "__unprotected_#{meth}"
      class_eval "        alias #{oldmeth} #{meth}
        def #{meth}(*a, &b)
          #{mutex} = Mutex.new unless defined? #{mutex}
          #{flag} = true unless defined? #{flag}
          run = #{mutex}.synchronize do
            if #{flag}
              #{flag} = false
              true
            end
          end
          if run
            ret = #{oldmeth}(*a, &b)
            #{mutex}.synchronize { #{flag} = true }
            ret
          end
        end
"
    end
  end
returning(x;) { |x;| ... } click to toggle source

"k combinator"

# File lib/sup/util.rb, line 133
def returning x; yield x; x; end
synchronized(*methods) click to toggle source

clone of java-style whole-method synchronization assumes a @mutex variable TODO: clean up, try harder to avoid namespace collisions

# File lib/sup/util.rb, line 138
  def synchronized *methods
    methods.each do |meth|
      class_eval "        alias unsynchronized_#{meth} #{meth}
        def #{meth}(*a, &b)
          @mutex.synchronize { unsynchronized_#{meth}(*a, &b) }
        end
"
    end
  end