Class: Musa::GenerativeGrammar::Implementation::OrNode Private

Inherits:
Node
  • Object
show all
Defined in:
lib/musa-dsl/generative/generative-grammar.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Node representing alternation between two nodes.

Generates options from either node1 or node2. Created by Node#or or | operator.

Instance Method Summary collapse

Constructor Details

#initialize(node1, node2) ⇒ OrNode

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of OrNode.

Parameters:

  • node1 (Node) —

    first alternative

  • node2 (Node) —

    second alternative



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# File 'lib/musa-dsl/generative/generative-grammar.rb', line 549

def initialize(node1, node2)
  @node1 = node1
  @node2 = node2
  super()
end

Instance Method Details

#_options(parent: nil, &condition) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/musa-dsl/generative/generative-grammar.rb', line 556

def _options(parent: nil, &condition)
  parent ||= []

  r = []

  @node1._options(parent: parent, &condition).each do |node_option|
    r << node_option if !block_given? || yield(parent + node_option)
  end

  @node2._options(parent: parent, &condition).each do |node_option|
    r << node_option if !block_given? || yield(parent + node_option)
  end

  r
end