Class: CompareNode

Inherits:
Node
  • Object
show all
Defined in:
lib/nodes/basenodes.rb

Overview

Operation Nodes

Instance Attribute Summary collapse

Attributes inherited from Node

#value

Instance Method Summary collapse

Constructor Details

#initialize(lhs, op, rhs) ⇒ CompareNode

Returns a new instance of CompareNode.



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# File 'lib/nodes/basenodes.rb', line 107

def initialize(lhs, op, rhs)
  @lhs, @op, @rhs = lhs, op, rhs
end

Instance Attribute Details

#lhs ⇒ Object

Returns the value of attribute lhs.



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# File 'lib/nodes/basenodes.rb', line 105

def lhs
  @lhs
end

#op ⇒ Object

Returns the value of attribute op.



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# File 'lib/nodes/basenodes.rb', line 105

def op
  @op
end

#rhs ⇒ Object

Returns the value of attribute rhs.



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# File 'lib/nodes/basenodes.rb', line 105

def rhs
  @rhs
end

Instance Method Details

#evaluate ⇒ Object 



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# File 'lib/nodes/basenodes.rb', line 115

def evaluate
  @value = @lhs.evaluate.send(@op, @rhs.evaluate)
end

#to_s ⇒ Object 



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# File 'lib/nodes/basenodes.rb', line 111

def to_s
  "#{@lhs} #{@op} #{@rhs}"
end