Module: Affect::Fiber

Extended by:
Fiber
Included in:
Fiber
Defined in:
lib/affect/fiber.rb

Defined Under Namespace

Classes: Context, Escape, Intent

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(*args) ⇒ Object 



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# File 'lib/affect/fiber.rb', line 61

def method_missing(*args)
  perform(*args)
end

Instance Method Details

#capture(*args, &block) ⇒ Object 



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# File 'lib/affect/fiber.rb', line 28

def capture(*args, &block)
  block, handler = case args.size
    when 1 then block ? [block, args.first] : [args.first, nil]
    when 2 then args
    else [block, nil]
  end

  f = Fiber.new(&block)
  v = f.resume
  loop do
    break v unless f.alive? && v.is_a?(Intent)

    if v.is_a?(Escape)
      break v.()
    else
      v = f.resume(handler.(*v.args))
    end
  end
end

#escape(value = nil, &block) ⇒ Object 



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# File 'lib/affect/fiber.rb', line 54

def escape(value = nil, &block)
  block ||= proc { value }
  Fiber.yield Escape.new(&block)
rescue FiberError
  raise RuntimeError, 'escape called outside of capture'
end

#perform(*args) ⇒ Object 



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# File 'lib/affect/fiber.rb', line 48

def perform(*args)
  Fiber.yield Intent.new(*args)
rescue FiberError
  raise RuntimeError, 'perform called outside of capture'
end