Class: Journey::Nodes::Node

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/journey/nodes/node.rb

Overview

:nodoc:

Direct Known Subclasses

Binary, Or, Terminal, Unary

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(left) ⇒ Node

Returns a new instance of Node.



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# File 'lib/journey/nodes/node.rb', line 10

def initialize left
  @left = left
  @memo = nil
end

Instance Attribute Details

#left ⇒ Object

Returns the value of attribute left.



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# File 'lib/journey/nodes/node.rb', line 8

def left
  @left
end

#memo ⇒ Object

Returns the value of attribute memo.



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# File 'lib/journey/nodes/node.rb', line 8

def memo
  @memo
end

Instance Method Details

#each(&block) ⇒ Object 



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# File 'lib/journey/nodes/node.rb', line 15

def each(&block)
  Visitors::Each.new(block).accept(self)
end

#literal? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/journey/nodes/node.rb', line 40

def literal?; false; end

#name ⇒ Object 



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# File 'lib/journey/nodes/node.rb', line 31

def name
  left.tr ':', ''
end

#symbol? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/journey/nodes/node.rb', line 39

def symbol?; false; end

#to_dot ⇒ Object 



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# File 'lib/journey/nodes/node.rb', line 23

def to_dot
  Visitors::Dot.new.accept(self)
end

#to_s ⇒ Object 



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# File 'lib/journey/nodes/node.rb', line 19

def to_s
  Visitors::String.new.accept(self)
end

#to_sym ⇒ Object 



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# File 'lib/journey/nodes/node.rb', line 27

def to_sym
  name.to_sym
end

#type ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/journey/nodes/node.rb', line 35

def type
  raise NotImplementedError
end