Module: Stupidedi::TailCall::ClassMethods

Defined in:
lib/stupidedi/tail_call.rb

Instance Method Summary collapse

Instance Method Details

#optimize_tailcall(*names) ⇒ void

This method returns an undefined value.



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# File 'lib/stupidedi/tail_call.rb', line 75

def optimize_tailcall(*names)
  @__tc ||= Hash.new

  for name in names
    @__tc[name.to_sym] = instance_method(name)

    module_eval "      def \#{name}(*args, &block)\n        if Thread.current[:tc_\#{name}]\n          throw(:recurse_\#{name}, [args, block])\n        else\n          Thread.current[:tc_\#{name}] =\n            self.class.instance_variable_get(:@__tc)[:\#{name}].bind(self)\n\n          result = catch(:done_\#{name}) do\n            while true\n              args, block =\n                catch(:recurse_\#{name}) do\n                  throw(:done_\#{name},\n                    Thread.current[:tc_\#{name}].call(*args, &block))\n                end\n            end\n          end\n\n          Thread.current[:tc_\#{name}] = nil\n\n          result\n        end\n      end\n    RUBY\n  end\nend\n"