Class: LL::Epsilon

Inherits:

Object

• Object
• LL::Epsilon

Defined in:

lib/ll/epsilon.rb

Overview

Class used for indicating an epsilon in a grammar. Epsilon objects are primarily used to break out of recursion.

Instance Attribute Summary

• #source_line ⇒ Object readonly

  Returns the value of attribute source_line.

Instance Method Summary

• #initialize(source_line) ⇒ Epsilon constructor

  A new instance of Epsilon.

• #inspect ⇒ String

Constructor Details

#initialize(source_line) ⇒ Epsilon

Returns a new instance of Epsilon.

Parameters:

• source_line (LL::SourceLine)

# File 'lib/ll/epsilon.rb', line 12

def initialize(source_line)
  @source_line = source_line
end

Instance Attribute Details

#source_line ⇒ Object (readonly)

Returns the value of attribute source_line.

# File 'lib/ll/epsilon.rb', line 7

def source_line
  @source_line
end

Instance Method Details

#inspect ⇒ String

Returns:

• (String)

# File 'lib/ll/epsilon.rb', line 19

def inspect
  return 'Epsilon()'
end