defmodule Writer do
    @moduledoc """
    Writes the target language code (assembly x86 64 bit) file to the current working directory. 
    """
    @doc """
    Writes the assembly file, ```exc_o.s``` using the code generated by `CodeGenerator.generate_code/2`, to the current directory.
    
    ### Specs  
    ```asm_code```is the assembly code generated by the `CodeGenerator.generate_code/2`

    Returns ```exc_o.s``` file that contains the assembly code generated by the ExC.
    """
    def write_file(asm_code) do
        output_path = build_output_path()
        File.write(output_path, asm_code)
        output_path
    end

    defp build_output_path() do 
        base_directory = "./"
        output_code_file_name = "exc_o.s"
        base_directory <> output_code_file_name
    end
end