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BinStruct is a library which provides you rich set of tools for parsing/encoding binaries

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bin_struct lib bin_struct macro parse parse_topology_debug.ex
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lib/bin_struct/macro/parse/parse_topology_debug.ex 

defmodule BinStruct.Macro.Parse.ParseTopologyDebug do



  @moduledoc false



  alias BinStruct.Macro.Parse.ParseTopologyNodes.ParseNode

  alias BinStruct.Macro.Parse.ParseTopologyNodes.TypeConversionNode

  alias BinStruct.Macro.Parse.ParseTopologyNodes.VirtualFieldProducingNode

  alias BinStruct.Macro.Parse.ParseTopologyNodes.InterfaceImplementationNode



  def print_topology(topology, label \\ "") do



    IO.puts("")

    IO.puts("START TOPOLOGY #{label}>>")

    IO.puts("")



    Enum.map(

      topology,

      fn node ->



        case node do

          %ParseNode{ field: field } -> "ParseNode #{field.name}"

          %TypeConversionNode{ subject: subject, type_conversion: type_conversion } ->





            to =

              case type_conversion do

                BinStruct.TypeConversion.TypeConversionUnmanaged -> "Unmanaged"

                BinStruct.TypeConversion.TypeConversionManaged -> "Managed"

                BinStruct.TypeConversion.TypeConversionBinary -> "Binary"

              end



            "TypeConversionNode #{subject.name} to: #{to}"



          %VirtualFieldProducingNode{ virtual_field: virtual_field } -> "VirtualFieldProducingNode #{virtual_field.name}"

          %InterfaceImplementationNode{ interface_implementation: interface_implementation} ->



            { _, _, [interface] } = interface_implementation.interface



            "InterfaceImplementationNode #{interface}"

        end



      end

    )

    |> Enum.join("\n")

    |> IO.puts()





    IO.puts("")

    IO.puts("<< END TOPOLOGY #{label}")

    IO.puts("")



    topology



  end







end