Class: Code::Node::Equal

Inherits:
Code::Node show all
Defined in:
lib/code/node/equal.rb

Instance Method Summary collapse

Constructor Details

#initialize(equal) ⇒ Equal

Returns a new instance of Equal.



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# File 'lib/code/node/equal.rb', line 4

def initialize(equal)
  @left = equal.fetch(:left).fetch(:name)
  @operator = equal.fetch(:operator)
  @right = ::Code::Node::Statement.new(equal.fetch(:right))
end

Instance Method Details

#evaluate(**args) ⇒ Object 



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# File 'lib/code/node/equal.rb', line 10

def evaluate(**args)
  right = @right.evaluate(**args)
  context = args.fetch(:context)

  if operator
    if context[left]
      context[left] = simple_call(context[left], operator, right, **args)
    else
      raise ::Code::Error::UndefinedVariable.new("#{left} is undefined")
    end
  else
    context[left] = right
  end
end