_nt_rvalue

in logstash-core/lib/logstash/config/grammar.rb [2947:3002]

• 52 lines of code
• 16 McCabe index (conditional complexity)

  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