module WikiCreole
  include Treetop::Runtime

  def root
    @root || :Text
  end

  def _nt_Text
    start_index = index
    if node_cache[:Text].has_key?(index)
      cached = node_cache[:Text][index]
      @index = cached.interval.end if cached
      return cached
    end

    s0, i0 = [], index
    loop do
      r1 = _nt_TextLine
      if r1
        s0 << r1
      else
        break
      end
    end
    if s0.empty?
      self.index = i0
      r0 = nil
    else
      r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    end

    node_cache[:Text][start_index] = r0

    return r0
  end

  module TextLine0
    def LineStart
      elements[0]
    end

    def TextPart
      elements[1]
    end

    def LineEnd
      elements[2]
    end
  end

  def _nt_TextLine
    start_index = index
    if node_cache[:TextLine].has_key?(index)
      cached = node_cache[:TextLine][index]
      @index = cached.interval.end if cached
      return cached
    end

    i0, s0 = index, []
    r1 = _nt_LineStart
    s0 << r1
    if r1
      r2 = _nt_TextPart
      s0 << r2
      if r2
        r3 = _nt_LineEnd
        s0 << r3
      end
    end
    if s0.last
      r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
      r0.extend(TextLine0)
    else
      self.index = i0
      r0 = nil
    end

    node_cache[:TextLine][start_index] = r0

    return r0
  end

  def _nt_TextPart
    start_index = index
    if node_cache[:TextPart].has_key?(index)
      cached = node_cache[:TextPart][index]
      @index = cached.interval.end if cached
      return cached
    end

    s0, i0 = [], index
    loop do
      if input.index(Regexp.new('[^\\n]'), index) == index
        r1 = instantiate_node(SyntaxNode,input, index...(index + 1))
        @index += 1
      else
        r1 = nil
      end
      if r1
        s0 << r1
      else
        break
      end
    end
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)

    node_cache[:TextPart][start_index] = r0

    return r0
  end

  def _nt_LineStart
    start_index = index
    if node_cache[:LineStart].has_key?(index)
      cached = node_cache[:LineStart][index]
      @index = cached.interval.end if cached
      return cached
    end

    if input.index("\n", index) == index
      r0 = instantiate_node(SyntaxNode,input, index...(index + 1))
      @index += 1
    else
      terminal_parse_failure("\n")
      r0 = nil
    end

    node_cache[:LineStart][start_index] = r0

    return r0
  end

  def _nt_LineEnd
    start_index = index
    if node_cache[:LineEnd].has_key?(index)
      cached = node_cache[:LineEnd][index]
      @index = cached.interval.end if cached
      return cached
    end

    if input.index("\n", index) == index
      r0 = instantiate_node(SyntaxNode,input, index...(index + 1))
      @index += 1
    else
      terminal_parse_failure("\n")
      r0 = nil
    end

    node_cache[:LineEnd][start_index] = r0

    return r0
  end

end

class WikiCreoleParser < Treetop::Runtime::CompiledParser
  include WikiCreole
end