class Pry::Command::ShowDoc

def content_for(code_object)

The docs for code_object prepared for display. 
def content_for(code_object)
  Code.new(
    render_doc_markup_for(code_object),
    start_line_for(code_object),
    :text
  ).with_line_numbers(use_line_numbers?).to_s
end

def docs_for(code_object)

dont need to check them)
have multiple docs, but methods can only be doc'd once so we
(note we only have to check yard docs for modules since they can
has yard docs available, in which case it returns those.
Return docs for the code_object, adjusting for whether the code_object 
def docs_for(code_object)
  if code_object.module_with_yard_docs?
    # yard docs
    code_object.yard_doc
  else
    # normal docs (i.e comments above method/module/command)
    code_object.doc
  end
end

def header_options

:signature and visibility.
Which sections to include in the 'header', can toggle: :owner, 
def header_options
  super.merge signature: true
end

def process 

def process
  super
  output.puts(
    "\nWARNING: the show-doc command is deprecated. It will be removed " \
    "from future Pry versions.\nPlease use 'show-source' with the -d " \
    "(or --doc) switch instead\nExample: show-source #{obj_name} -d"
  )
end

def render_doc_markup_for(code_object)

process the markup (if necessary) and apply colors 
def render_doc_markup_for(code_object)
  docs = docs_for(code_object)
  if code_object.command?
    # command '--help' shouldn't use markup highlighting
    docs
  else
    if docs.empty?
      raise CommandError, "No docs found for: #{obj_name || 'current context'}"
    end
    process_comment_markup(docs)
  end
end

def start_line_for(code_object)

Returns:
  • (Fixnum) - start line of docs 
def start_line_for(code_object)
  return 1 if code_object.command? || opts.present?(:'base-one')
  return 1 unless code_object.source_line
  code_object.source_line - code_object.doc.lines.count
end