Class: YTLJit::ClassClassWrapper

Inherits:
Object
  • Object
show all
Defined in:
lib/ytljit/util.rb

Overview

Singleton class can’t be marshaled. So this class wrap to marshal singleton class

Constant Summary collapse

@@instance_tab = 
{}

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(clsobj) ⇒ ClassClassWrapper

Returns a new instance of ClassClassWrapper.



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# File 'lib/ytljit/util.rb', line 70

def initialize(clsobj)
  @klass_object = clsobj
  @value = nil
end

Class Method Details

.instance(clsobj) ⇒ Object 



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# File 'lib/ytljit/util.rb', line 57

def self.instance(clsobj)
  if clsobj.is_a?(ClassClassWrapper)
    clsobj = clsobj.value
  end
  ins = @@instance_tab[clsobj] 
  if ins == nil then
    ins = ClassClassWrapper.new(clsobj)
    @@instance_tab[clsobj] = ins
  end

  ins
end

Instance Method Details

#ancestors ⇒ Object 



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# File 'lib/ytljit/util.rb', line 92

def ancestors
  value.ancestors
end

#marshal_dump ⇒ Object 



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# File 'lib/ytljit/util.rb', line 96

def marshal_dump
  [@klass_object]
end

#marshal_load(obj) ⇒ Object 



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# File 'lib/ytljit/util.rb', line 100

def marshal_load(obj)
  @klass_object = obj
  @value = nil
end

#name ⇒ Object 



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# File 'lib/ytljit/util.rb', line 88

def name
  value.name
end

#superclass ⇒ Object 



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# File 'lib/ytljit/util.rb', line 105

def superclass
  sup = value.superclass
  ins = @@instance_tab[sup]
  if ins then
    ins
  else
    sup
  end
end

#to_s ⇒ Object 



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# File 'lib/ytljit/util.rb', line 75

def to_s
  "#<Ytljit::ClassClassWrapper type=#{value.inspect}"
end

#value ⇒ Object 



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# File 'lib/ytljit/util.rb', line 79

def value
  if @value then
    @value
  else
    @value = class << @klass_object; self; end
    @value
  end
end