Class: Rley::SPPF::LeafNode

Inherits:

SPPFNode

• Object
• SPPFNode
• Rley::SPPF::LeafNode

Defined in:

lib/rley/sppf/leaf_node.rb

Overview

Abstract class. The generalization for SPPF nodes that don't have child node.

Direct Known Subclasses

EpsilonNode, TokenNode

Instance Attribute Summary

Attributes inherited from SPPFNode

#range

Instance Method Summary

• #inspect ⇒ String

  A text representation of the node.

• #key ⇒ String

Methods inherited from SPPFNode

#initialize, #origin

Constructor Details

This class inherits a constructor from Rley::SPPF::SPPFNode

Instance Method Details

#inspect ⇒ String

Returns a text representation of the node.

Returns:

• (String) —

  a text representation of the node.

# File 'lib/rley/sppf/leaf_node.rb', line 9

def inspect()
  key
end

#key ⇒ String

Returns:

• (String)

# File 'lib/rley/sppf/leaf_node.rb', line 14

def key()
  @key ||= to_string(0)
end