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reach lib reach smell check.ex
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lib/reach/smell/check.ex 

defmodule Reach.Smell.Check do

  @moduledoc "Behaviour and shared helpers for IR-based smell checks."



  @callback run(Reach.Project.t()) :: [map()]



  defmacro __using__(_opts) do

    quote do

      @behaviour Reach.Smell.Check



      alias Reach.IR

      alias Reach.Smell.{Finding, Helpers}



      def run(project) do

        project

        |> Helpers.function_defs()

        |> Enum.flat_map(&findings/1)

      end



      defp sourced_nodes(function) do

        function

        |> IR.all_nodes()

        |> Enum.filter(& &1.source_span)

      end



      defp finding(kind, message, node) do

        Finding.new(kind: kind, message: message, location: Helpers.location(node))

      end



      defoverridable run: 1

    end

  end

end