Class: Logicuit::Signals::Clock

Inherits:
Object
  • Object
show all
Defined in:
lib/logicuit/signals/clock.rb

Overview

Clock

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Clock

Returns a new instance of Clock.



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# File 'lib/logicuit/signals/clock.rb', line 7

def initialize
  @downstreams = []
  @tick_count = 0
end

Instance Attribute Details

#downstreams ⇒ Object (readonly)

Returns the value of attribute downstreams.



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# File 'lib/logicuit/signals/clock.rb', line 12

def downstreams
  @downstreams
end

#tick_count ⇒ Object (readonly)

Returns the value of attribute tick_count.



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# File 'lib/logicuit/signals/clock.rb', line 12

def tick_count
  @tick_count
end

Class Method Details

.connects_to(component) ⇒ Object Also known as: >> 



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# File 'lib/logicuit/signals/clock.rb', line 29

def connects_to(component)
  instance.downstreams << component
end

.instance ⇒ Object 



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# File 'lib/logicuit/signals/clock.rb', line 25

def instance
  @instance ||= new
end

.tick ⇒ Object 



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# File 'lib/logicuit/signals/clock.rb', line 34

def tick
  instance.tick
end

.tick_count ⇒ Object 



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# File 'lib/logicuit/signals/clock.rb', line 38

def tick_count
  instance.tick_count
end

Instance Method Details

#tick ⇒ Object 



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# File 'lib/logicuit/signals/clock.rb', line 14

def tick
  @tick_count += 1
  # Call the `evaluate` method for all components.
  # However, the input argument values should be bound to the values at the time `tick` is called.
  @downstreams.map do |component|
    args = component.input_targets.map { |input| component.instance_variable_get("@#{input}").current }
    -> { component.evaluate(*args) }
  end.each(&:call)
end