logstash-core/lib/logstash/compiler/lscl/lscl_grammar.rb [2835:3124]:
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      r0.extend(NotInExpression0)
    else
      @index = i0
      r0 = nil
    end

    node_cache[:not_in_expression][start_index] = r0

    r0
  end

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

    if (match_len = has_terminal?("in", false, index))
      r0 = instantiate_node(SyntaxNode,input, index...(index + match_len))
      @index += match_len
    else
      terminal_parse_failure('"in"')
      r0 = nil
    end

    node_cache[:in_operator][start_index] = r0

    r0
  end

  module NotInOperator0
    def cs
      elements[1]
    end

  end

  def _nt_not_in_operator
    start_index = index
    if node_cache[:not_in_operator].has_key?(index)
      cached = node_cache[:not_in_operator][index]
      if cached
        node_cache[:not_in_operator][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?("not ", false, index))
      r1 = instantiate_node(SyntaxNode,input, index...(index + match_len))
      @index += match_len
    else
      terminal_parse_failure('"not "')
      r1 = nil
    end
    s0 << r1
    if r1
      r2 = _nt_cs
      s0 << r2
      if r2
        if (match_len = has_terminal?("in", false, index))
          r3 = instantiate_node(SyntaxNode,input, index...(index + match_len))
          @index += match_len
        else
          terminal_parse_failure('"in"')
          r3 = nil
        end
        s0 << r3
      end
    end
    if s0.last
      r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
      r0.extend(NotInOperator0)
    else
      @index = i0
      r0 = nil
    end

    node_cache[:not_in_operator][start_index] = r0

    r0
  end

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

    i0 = index
    r1 = _nt_string
    if r1
      r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
      r0 = r1
    else
      r2 = _nt_number
      if r2
        r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
        r0 = r2
      else
        r3 = _nt_selector
        if r3
          r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
          r0 = r3
        else
          r4 = _nt_array
          if r4
            r4 = SyntaxNode.new(input, (index-1)...index) if r4 == true
            r0 = r4
          else
            r5 = _nt_method_call
            if r5
              r5 = SyntaxNode.new(input, (index-1)...index) if r5 == true
              r0 = r5
            else
              r6 = _nt_regexp
              if r6
                r6 = SyntaxNode.new(input, (index-1)...index) if r6 == true
                r0 = r6
              else
                @index = i0
                r0 = nil
              end
            end
          end
        end
      end
    end

    node_cache[:rvalue][start_index] = r0

    r0
  end

  module MethodCall0
    def cs1
      elements[0]
    end

    def cs2
      elements[2]
    end

    def rvalue
      elements[3]
    end
  end

  module MethodCall1
    def rvalue
      elements[0]
    end

  end

  module MethodCall2
    def method
      elements[0]
    end

    def cs1
      elements[1]
    end

    def cs2
      elements[3]
    end

    def cs3
      elements[5]
    end

  end

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

    i0, s0 = index, []
    r1 = _nt_method
    s0 << r1
    if r1
      r2 = _nt_cs
      s0 << r2
      if r2
        if (match_len = has_terminal?("(", false, index))
          r3 = true
          @index += match_len
        else
          terminal_parse_failure('"("')
          r3 = nil
        end
        s0 << r3
        if r3
          r4 = _nt_cs
          s0 << r4
          if r4
            i6, s6 = index, []
            r7 = _nt_rvalue
            s6 << r7
            if r7
              s8, i8 = [], index
              loop do
                i9, s9 = index, []
                r10 = _nt_cs
                s9 << r10
                if r10
                  if (match_len = has_terminal?(",", false, index))
                    r11 = true
                    @index += match_len
                  else
                    terminal_parse_failure('","')
                    r11 = nil
                  end
                  s9 << r11
                  if r11
                    r12 = _nt_cs
                    s9 << r12
                    if r12
                      r13 = _nt_rvalue
                      s9 << r13
                    end
                  end
                end
                if s9.last
                  r9 = instantiate_node(SyntaxNode,input, i9...index, s9)
                  r9.extend(MethodCall0)
                else
                  @index = i9
                  r9 = nil
                end
                if r9
                  s8 << r9
                else
                  break
                end
              end
              r8 = instantiate_node(SyntaxNode,input, i8...index, s8)
              s6 << r8
            end
            if s6.last
              r6 = instantiate_node(SyntaxNode,input, i6...index, s6)
              r6.extend(MethodCall1)
            else
              @index = i6
              r6 = nil
            end
            if r6
              r5 = r6
            else
              r5 = instantiate_node(SyntaxNode,input, index...index)
            end
            s0 << r5
            if r5
              r14 = _nt_cs
              s0 << r14
              if r14
                if (match_len = has_terminal?(")", false, index))
                  r15 = true
                  @index += match_len
                else
                  terminal_parse_failure('")"')
                  r15 = nil
                end
                s0 << r15
              end
            end
          end
        end
      end
    end
    if s0.last
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logstash-core/lib/logstash/config/grammar.rb [2859:3148]:
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      r0.extend(NotInExpression0)
    else
      @index = i0
      r0 = nil
    end

    node_cache[:not_in_expression][start_index] = r0

    r0
  end

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

    if (match_len = has_terminal?("in", false, index))
      r0 = instantiate_node(SyntaxNode,input, index...(index + match_len))
      @index += match_len
    else
      terminal_parse_failure('"in"')
      r0 = nil
    end

    node_cache[:in_operator][start_index] = r0

    r0
  end

  module NotInOperator0
    def cs
      elements[1]
    end

  end

  def _nt_not_in_operator
    start_index = index
    if node_cache[:not_in_operator].has_key?(index)
      cached = node_cache[:not_in_operator][index]
      if cached
        node_cache[:not_in_operator][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?("not ", false, index))
      r1 = instantiate_node(SyntaxNode,input, index...(index + match_len))
      @index += match_len
    else
      terminal_parse_failure('"not "')
      r1 = nil
    end
    s0 << r1
    if r1
      r2 = _nt_cs
      s0 << r2
      if r2
        if (match_len = has_terminal?("in", false, index))
          r3 = instantiate_node(SyntaxNode,input, index...(index + match_len))
          @index += match_len
        else
          terminal_parse_failure('"in"')
          r3 = nil
        end
        s0 << r3
      end
    end
    if s0.last
      r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
      r0.extend(NotInOperator0)
    else
      @index = i0
      r0 = nil
    end

    node_cache[:not_in_operator][start_index] = r0

    r0
  end

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

    i0 = index
    r1 = _nt_string
    if r1
      r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
      r0 = r1
    else
      r2 = _nt_number
      if r2
        r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
        r0 = r2
      else
        r3 = _nt_selector
        if r3
          r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
          r0 = r3
        else
          r4 = _nt_array
          if r4
            r4 = SyntaxNode.new(input, (index-1)...index) if r4 == true
            r0 = r4
          else
            r5 = _nt_method_call
            if r5
              r5 = SyntaxNode.new(input, (index-1)...index) if r5 == true
              r0 = r5
            else
              r6 = _nt_regexp
              if r6
                r6 = SyntaxNode.new(input, (index-1)...index) if r6 == true
                r0 = r6
              else
                @index = i0
                r0 = nil
              end
            end
          end
        end
      end
    end

    node_cache[:rvalue][start_index] = r0

    r0
  end

  module MethodCall0
    def cs1
      elements[0]
    end

    def cs2
      elements[2]
    end

    def rvalue
      elements[3]
    end
  end

  module MethodCall1
    def rvalue
      elements[0]
    end

  end

  module MethodCall2
    def method
      elements[0]
    end

    def cs1
      elements[1]
    end

    def cs2
      elements[3]
    end

    def cs3
      elements[5]
    end

  end

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

    i0, s0 = index, []
    r1 = _nt_method
    s0 << r1
    if r1
      r2 = _nt_cs
      s0 << r2
      if r2
        if (match_len = has_terminal?("(", false, index))
          r3 = true
          @index += match_len
        else
          terminal_parse_failure('"("')
          r3 = nil
        end
        s0 << r3
        if r3
          r4 = _nt_cs
          s0 << r4
          if r4
            i6, s6 = index, []
            r7 = _nt_rvalue
            s6 << r7
            if r7
              s8, i8 = [], index
              loop do
                i9, s9 = index, []
                r10 = _nt_cs
                s9 << r10
                if r10
                  if (match_len = has_terminal?(",", false, index))
                    r11 = true
                    @index += match_len
                  else
                    terminal_parse_failure('","')
                    r11 = nil
                  end
                  s9 << r11
                  if r11
                    r12 = _nt_cs
                    s9 << r12
                    if r12
                      r13 = _nt_rvalue
                      s9 << r13
                    end
                  end
                end
                if s9.last
                  r9 = instantiate_node(SyntaxNode,input, i9...index, s9)
                  r9.extend(MethodCall0)
                else
                  @index = i9
                  r9 = nil
                end
                if r9
                  s8 << r9
                else
                  break
                end
              end
              r8 = instantiate_node(SyntaxNode,input, i8...index, s8)
              s6 << r8
            end
            if s6.last
              r6 = instantiate_node(SyntaxNode,input, i6...index, s6)
              r6.extend(MethodCall1)
            else
              @index = i6
              r6 = nil
            end
            if r6
              r5 = r6
            else
              r5 = instantiate_node(SyntaxNode,input, index...index)
            end
            s0 << r5
            if r5
              r14 = _nt_cs
              s0 << r14
              if r14
                if (match_len = has_terminal?(")", false, index))
                  r15 = true
                  @index += match_len
                else
                  terminal_parse_failure('")"')
                  r15 = nil
                end
                s0 << r15
              end
            end
          end
        end
      end
    end
    if s0.last
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