Method: CORAL#_nt_BINDIG

Defined in:

lib/coral.rb

#_nt_BINDIG ⇒ Object

# File 'lib/coral.rb', line 3166

def _nt_BINDIG
  start_index = index
  if node_cache[:BINDIG].has_key?(index)
    cached = node_cache[:BINDIG][index]
    if cached
      node_cache[:BINDIG][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[0-1]'] ||= Regexp.new(gr), :regexp, index)
    r0 = instantiate_node(SyntaxNode,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure('[0-1]')
    r0 = nil
  end

  node_cache[:BINDIG][start_index] = r0

  r0
end