_nt_plugin

in logstash-core/lib/logstash/compiler/lscl/lscl_grammar.rb [640:746]

• 103 lines of code
• 20 McCabe index (conditional complexity)

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

    i0, s0 = index, []
    r1 = _nt_name
    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_attribute
            s6 << r7
            if r7
              s8, i8 = [], index
              loop do
                i9, s9 = index, []
                r10 = _nt_whitespace
                s9 << r10
                if r10
                  r11 = _nt_cs
                  s9 << r11
                  if r11
                    r12 = _nt_attribute
                    s9 << r12
                  end
                end
                if s9.last
                  r9 = instantiate_node(SyntaxNode,input, i9...index, s9)
                  r9.extend(Plugin0)
                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(Plugin1)
            else
              @index = i6
              r6 = nil
            end
            if r6
              r5 = r6
            else
              r5 = instantiate_node(SyntaxNode,input, index...index)
            end
            s0 << r5
            if r5
              r13 = _nt_cs
              s0 << r13
              if r13
                if (match_len = has_terminal?("}", false, index))
                  r14 = true
                  @index += match_len
                else
                  terminal_parse_failure('"}"')
                  r14 = nil
                end
                s0 << r14
              end
            end
          end
        end
      end
    end
    if s0.last
      r0 = instantiate_node(LogStash::Compiler::LSCL::AST::Plugin,input, i0...index, s0)
      r0.extend(Plugin2)
    else
      @index = i0
      r0 = nil
    end

    node_cache[:plugin][start_index] = r0

    r0
  end