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unifex

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Tool for generating interfaces between native C code and Elixir

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unifex lib unifex code_generator tie_header.ex
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lib/unifex/code_generator/tie_header.ex 

defmodule Unifex.CodeGenerator.TieHeader do

  @moduledoc """

  Generates connective header file that includes proper header based

  on selected interface.

  """

  import Unifex.CodeGenerator.Utils, only: [sigil_g: 2]

  alias Unifex.CodeGenerator



  @spec generate_header(name :: String.t(), generators :: [module()]) :: CodeGenerator.code_t()

  def generate_header(name, generators) do

    ~g"""

    #pragma once



    #{generate_includes(name, generators)}

    """

  end



  defp generate_includes(name, generators) do

    generators

    |> Enum.map(&generate_include(name, &1))

    |> Enum.join("\n")

  end



  defp generate_include(name, generator) do

    ~g"""

    #ifdef #{generator.identification_constant()}

    #include "#{generator.interface_io_name()}/#{name}.h"

    #endif

    """

  end

end