`purecopy' usage in ruby-mode.el and python.el

`purecopy' usage in ruby-mode.el and python.el

[Dmitry Gutov]

Hi all,

I see some places in the above files where purecopy is called. But:

  Pure storage is allocated only while temacs is loading the standard
  preloaded Lisp libraries.

  (...)
  
  — Function: purecopy object (...)
  
  This function is a no-op except while Emacs is being built and dumped;
  it is usually called only in preloaded Lisp files.

I take this to mean that `purecopy' can only be useful in elisp files
that Emacs preloads during compilation, but not in ruby-mode, python, or
any third-party libraries. Is that true?

Can we remove its uses from non-preloaded packages?

--Dmitry

Re: `purecopy' usage in ruby-mode.el and python.el

[Glenn Morris]

Dmitry Gutov wrote:

> I take this to mean that `purecopy' can only be useful in elisp files
> that Emacs preloads during compilation, but not in ruby-mode, python, or
> any third-party libraries.

Autoloads end up in loaddefs.el, which is preloaded.

Re: `purecopy' usage in ruby-mode.el and python.el

[Dmitry Gutov]

On 26.12.2012 23:12, Glenn Morris wrote:
> Dmitry Gutov wrote:
>
>> I take this to mean that `purecopy' can only be useful in elisp files
>> that Emacs preloads during compilation, but not in ruby-mode, python, or
>> any third-party libraries.
>
> Autoloads end up in loaddefs.el, which is preloaded.

Ah, I see, thanks.

I'll take this to mean that I should convert the recent addition of 
Rakefile to auto-mode-alist to use purecopy, too.