# Treetop (http://treetop.rubyforge.org/) grammar for common definitions.
# Autogenerated from a Treetop grammar. Edits may be lost.



require 'treetop'

module Fig
  module Grammar
    module Base
      include Treetop::Runtime

      def root
        @root ||= :ws
      end

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

        s0, i0 = [], index
        loop do
          if has_terminal?('\G[ \\n\\r\\t]', true, index)
            r1 = true
            @index += 1
          else
            r1 = nil
          end
          if r1
            s0 << r1
          else
            break
          end
        end
        if s0.empty?
          @index = i0
          r0 = nil
        else
          r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
        end

        node_cache[:ws][start_index] = r0

        r0
      end

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

        s0, i0 = [], index
        loop do
          if has_terminal?('\G[ \\n\\r\\t]', true, index)
            r1 = true
            @index += 1
          else
            r1 = nil
          end
          if r1
            s0 << r1
          else
            break
          end
        end
        r0 = instantiate_node(SyntaxNode,input, i0...index, s0)

        node_cache[:optional_ws][start_index] = r0

        r0
      end

      module Comment0
      end

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

        i0, s0 = index, []
        if has_terminal?('#', false, index)
          r1 = instantiate_node(SyntaxNode,input, index...(index + 1))
          @index += 1
        else
          terminal_parse_failure('#')
          r1 = nil
        end
        s0 << r1
        if r1
          s2, i2 = [], index
          loop do
            if has_terminal?('\G[^\\n]', true, index)
              r3 = true
              @index += 1
            else
              r3 = nil
            end
            if r3
              s2 << r3
            else
              break
            end
          end
          r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
          s0 << r2
          if r2
            if has_terminal?("\n", false, index)
              r4 = instantiate_node(SyntaxNode,input, index...(index + 1))
              @index += 1
            else
              terminal_parse_failure("\n")
              r4 = nil
            end
            s0 << r4
          end
        end
        if s0.last
          r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
          r0.extend(Comment0)
        else
          @index = i0
          r0 = nil
        end

        node_cache[:comment][start_index] = r0

        r0
      end

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

        i0 = index
        r1 = _nt_ws
        if r1
          r0 = r1
        else
          r2 = _nt_comment
          if r2
            r0 = r2
          else
            @index = i0
            r0 = nil
          end
        end

        node_cache[:ws_or_comment][start_index] = r0

        r0
      end

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

        s0, i0 = [], index
        loop do
          r1 = _nt_ws_or_comment
          if r1
            s0 << r1
          else
            break
          end
        end
        r0 = instantiate_node(SyntaxNode,input, i0...index, s0)

        node_cache[:optional_ws_or_comment][start_index] = r0

        r0
      end

    end

    class BaseParser < Treetop::Runtime::CompiledParser
      include Base
    end

  end
end