Class: Dentaku::AST::Combinator

Inherits:
Operation show all
Defined in:
lib/dentaku/ast/combinators.rb

Direct Known Subclasses

And, Or

Instance Attribute Summary

Attributes inherited from Operation

#left, #right

Instance Method Summary collapse

Methods inherited from Operation

#dependencies, max_param_count, min_param_count, right_associative?

Methods inherited from Node

arity, #dependencies, peek, precedence

Constructor Details

#initialize ⇒ Combinator

Returns a new instance of Combinator.



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# File 'lib/dentaku/ast/combinators.rb', line 6

def initialize(*)
  super

  unless valid_node?(left)
    raise NodeError.new(:logical, left.type, :left),
          "#{self.class} requires logical operands"
  end
  unless valid_node?(right)
    raise NodeError.new(:logical, right.type, :right),
          "#{self.class} requires logical operands"
  end
end

Instance Method Details

#type ⇒ Object 



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# File 'lib/dentaku/ast/combinators.rb', line 19

def type
  :logical
end