Class: Code::Node::OrKeyword

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

Constant Summary collapse

OR_KEYWORD = 
"or"
AND_KEYWORD = 
"and"

Instance Method Summary collapse

Constructor Details

#initialize(or_keyword) ⇒ OrKeyword

Returns a new instance of OrKeyword.



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# File 'lib/code/node/or_keyword.rb', line 7

def initialize(or_keyword)
  @first = ::Code::Node::Statement.new(or_keyword.fetch(:first))
  @rest = or_keyword.fetch(:rest)
  @rest.map! do |operation|
    ::Code::Node::Operation::Operation.new(operation)
  end
end

Instance Method Details

#evaluate(**args) ⇒ Object 



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# File 'lib/code/node/or_keyword.rb', line 15

def evaluate(**args)
  object = @first.evaluate(**args)

  @rest.each do |operation|
    if operation.operator == OR_KEYWORD
      return object if object.truthy?
    elsif operation.operator == AND_KEYWORD
      return object unless object.truthy?
    else
      raise NotImplementedError.new(operation.operator.inspect)
    end

    object = operation.statement.evaluate(**args)
  end

  object
end