doctor.rb

require 'pry'
require './sample'
require 'ruby_parser'
require 'sexp_processor'

class Parser < SexpProcessor
  def initalize
    super
    self.strict = false
  end

  def process_list(exp)
    val = exp.shift
    return val
  end
end

module Doctor
  @@klass       = nil
  @@description = nil
  @@method_name = nil

  def doctor(klass)
    @@klass = klass.new
    path    = "sample.rb"
    @@code  = File.read(path)
    @@sexp  = RubyParser.new.parse(@@code, path)
    @@parser = Parser.new
    @@parsed = @@parser.process(@@sexp)

    yield
  end

  def doc(method_name, &block)
    yield block

    @@method_name = method_name

    puts "#{@@klass.class.to_s}##{@@method_name.to_s} : Line #{source_line}"
    puts @@description
    puts @@arguments.to_s

    puts ""
  end

  def source_line
    @@klass.method(@@method_name).source_location[1]
  end

  def method_name
    @@method_name
  end

  def method_name=(method_name)
    @@method_name = method_name
  end

  def description(description)
    @@description = description
  end

  def arguments(arguments)
    @@arguments = arguments
  end
end

include Doctor

doctor Sample do
  doc :to_string do |x|
    description "Outputs String \"Hello string!\""
    arguments   []
  end

  doc :poopy_pants do |x|
    description "Makes your pants very poopy"
    arguments   ['farts', 'smell']
  end
end