module uahgi
include("parsing.jl")
using .Parsing
using ArgParse

function parse_commandline()
    #= please see:
    https://carlobaldassi.github.io/ArgParse.jl/stable/
    =#
    s = ArgParseSettings()

    @add_arg_table! s begin
        "FILE"
            help = "the file path to be converted."
            #required = true
    end

    return parse_args(s)
end


function main()
    parsed_args = parse_commandline()
    if parsed_args["FILE"] === nothing
        file_path = "./example/ex1.ug" # for test
    else
        file_path = parsed_args["FILE"]
    end
    file_content = open(f->read(f, String), file_path)
    Parsing.parse(file_content)
end

main()
end