Class: TPPlus::Nodes::WaitForNode

Inherits:
BaseNode
  • Object
show all
Defined in:
lib/tp_plus/nodes/wait_for_node.rb

Instance Method Summary collapse

Methods inherited from BaseNode

#can_be_inlined?

Constructor Details

#initialize(time, units) ⇒ WaitForNode

Returns a new instance of WaitForNode.



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# File 'lib/tp_plus/nodes/wait_for_node.rb', line 4

def initialize(time, units)
  @time = time
  @units = units
end

Instance Method Details

#eval(context) ⇒ Object 



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# File 'lib/tp_plus/nodes/wait_for_node.rb', line 50

def eval(context)
  raise "Invalid units" unless units_valid?

  "WAIT #{time(context)}"
end

#expression ⇒ Object 



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# File 'lib/tp_plus/nodes/wait_for_node.rb', line 39

def expression
  case @units
  when "s"
    @time
  when "ms"
    e = ExpressionNode.new(@time,"/",DigitNode.new(1000))
    e.grouped = true
    e
  end
end

#time(context) ⇒ Object

2 decimal places and remove leading 0s



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# File 'lib/tp_plus/nodes/wait_for_node.rb', line 14

def time(context)
  case @time
  when DigitNode, RealNode
    case @units
    when "s"
      return ("%.2f(sec)" % @time.eval(context)).sub(/^0+/, "")
    when "ms"
      return ("%.2f(sec)" % (@time.eval(context).to_f / 1000)).sub(/^0+/, "")
    end
  when VarNode
    case @units
    when "s"
      if @time.constant?
        return ("%.2f(sec)" % @time.eval(context)).sub(/^0+/, "")
      else
        return @time.eval(context)
      end
    else
      raise "Indirect values can only use seconds ('s') as the units argument"
    end
  else
    raise "PANIC"
  end
end

#units_valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tp_plus/nodes/wait_for_node.rb', line 9

def units_valid?
  ["s","ms"].include?(@units)
end