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reach lib mix tasks reach.otp.ex
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lib/mix/tasks/reach.otp.ex 

defmodule Mix.Tasks.Reach.Otp do

  @moduledoc """

  Shows GenServer state machines, missing message handlers, and hidden coupling.



      mix reach.otp

      mix reach.otp UserWorker

      mix reach.otp --format json



  ## Options



    * `--format` — output format: `text` (default), `json`, `oneline`

    * `--concurrency` — show Task/monitor/spawn and supervisor topology

    * `--state` — focus on state-machine output (accepted for canonical CLI compatibility)

    * `--messages` — focus on message-handler output (accepted for canonical CLI compatibility)

    * `--supervision` — focus on supervision output (accepted for canonical CLI compatibility)



  """



  use Mix.Task



  alias Reach.CLI.Commands.OTP

  alias Reach.CLI.Options

  alias Reach.CLI.Pipe



  @shortdoc "Show OTP state machine analysis"



  @switches [

    format: :string,

    graph: :boolean,

    concurrency: :boolean,

    state: :boolean,

    messages: :boolean,

    supervision: :boolean

  ]

  @aliases [f: :format]



  @impl Mix.Task

  def run(args) do

    Pipe.safely(fn ->

      {opts, target_args} = Options.parse(args, @switches, @aliases)

      OTP.run(opts, target_args)

    end)

  end

end