Method: Bindy::Language#_nt_space

Defined in:
lib/bindy/language.rb

#_nt_space ⇒ Object 



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# File 'lib/bindy/language.rb', line 704

def _nt_space
  start_index = index
  if node_cache[:space].has_key?(index)
    cached = node_cache[:space][index]
    if cached
      node_cache[:space][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  if has_terminal?(@regexps[gr = '\A[\\s\\t\\n]'] ||= Regexp.new(gr), :regexp, index)
    r0 = instantiate_node(SyntaxNode,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure('[\\s\\t\\n]')
    r0 = nil
  end

  node_cache[:space][start_index] = r0

  r0
end