# coding: utf-8
# Autogenerated from a Treetop grammar. Edits may be lost.



# Treetop (http://treetop.rubyforge.org/) grammar for statement for declaring
# package definition versions.
#
# Needs to be mixed in with Fig::Grammar::Base.

require 'treetop'

module Fig
  module Grammar
    module Version
      include Treetop::Runtime

      def root
        @root ||= :grammar_version
      end

      module GrammarVersion0
        def statement_start
          elements[0]
        end

        def version
          elements[3]
        end

      end

      module GrammarVersion1
        def to_package_statement(build_state)
          return build_state.new_grammar_version_statement(
            statement_start, version
          )
        end
      end

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

        i0, s0 = index, []
        if (match_len = has_terminal?('grammar', false, index))
          r1 = instantiate_node(SyntaxNode,input, index...(index + match_len))
          @index += match_len
        else
          terminal_parse_failure('grammar')
          r1 = nil
        end
        s0 << r1
        if r1
          s2, i2 = [], index
          loop do
            r3 = _nt_ws_or_comment
            if r3
              s2 << r3
            else
              break
            end
          end
          if s2.empty?
            @index = i2
            r2 = nil
          else
            r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
          end
          s0 << r2
          if r2
            if (match_len = has_terminal?('v', false, index))
              r4 = true
              @index += match_len
            else
              terminal_parse_failure('v')
              r4 = nil
            end
            s0 << r4
            if r4
              s5, i5 = [], index
              loop do
                if has_terminal?(@regexps[gr = '\A[\\d]'] ||= Regexp.new(gr), :regexp, index)
                  r6 = true
                  @index += 1
                else
                  terminal_parse_failure('[\\d]')
                  r6 = nil
                end
                if r6
                  s5 << r6
                else
                  break
                end
              end
              if s5.empty?
                @index = i5
                r5 = nil
              else
                r5 = instantiate_node(SyntaxNode,input, i5...index, s5)
              end
              s0 << r5
              if r5
                s7, i7 = [], index
                loop do
                  r8 = _nt_ws
                  if r8
                    s7 << r8
                  else
                    break
                  end
                end
                r7 = instantiate_node(SyntaxNode,input, i7...index, s7)
                s0 << r7
              end
            end
          end
        end
        if s0.last
          r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
          r0.extend(GrammarVersion0)
          r0.extend(GrammarVersion1)
        else
          @index = i0
          r0 = nil
        end

        node_cache[:grammar_version][start_index] = r0

        r0
      end

    end

    class VersionParser < Treetop::Runtime::CompiledParser
      include Version
    end

  end
end