# Autogenerated from a Treetop grammar. Edits may be lost.


module Music
module Transcription
module Parsing

module PositiveInteger
  include Treetop::Runtime

  def root
    @root ||= :positive_integer
  end

  include NonnegativeInteger

  module PositiveInteger0
    def nonnegative_integer
      elements[2]
    end
  end

  module PositiveInteger1
    def to_i
      text_value.to_i
    end
  end

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

    i0, s0 = index, []
    s1, i1 = [], index
    loop do
      if has_terminal?(@regexps[gr = '\A[0]'] ||= Regexp.new(gr), :regexp, index)
        r2 = true
        @index += 1
      else
        terminal_parse_failure('[0]')
        r2 = nil
      end
      if r2
        s1 << r2
      else
        break
      end
    end
    r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
    s0 << r1
    if r1
      if has_terminal?(@regexps[gr = '\A[1-9]'] ||= Regexp.new(gr), :regexp, index)
        r3 = true
        @index += 1
      else
        terminal_parse_failure('[1-9]')
        r3 = nil
      end
      s0 << r3
      if r3
        r4 = _nt_nonnegative_integer
        s0 << r4
      end
    end
    if s0.last
      r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
      r0.extend(PositiveInteger0)
      r0.extend(PositiveInteger1)
    else
      @index = i0
      r0 = nil
    end

    node_cache[:positive_integer][start_index] = r0

    r0
  end

end

class PositiveIntegerParser < Treetop::Runtime::CompiledParser
  include PositiveInteger
end


end
end
end