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Re: axiom mode


From: Martin Rubey
Subject: Re: axiom mode
Date: 11 Jun 2007 11:11:15 +0200
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.4

martin rudalics <address@hidden> writes:

> You define `axiom-process' as a "global" variable, hence it may
> reference one and only one "axiom process" at any instant of time.  If
> you want a couple of axiom processes to coexist simultaneously you have
> to make `axiom-process' buffer-local.  Then you can try to maintain a
> one-to-one correspondence between axiom buffers and axiom processes.
> 
>  > What I would
>  > like to have is the behaviour of shell mode: usually M-x axiom should 
> switch to
>  > the running axiom, but optionally, something like
>  >
>  > (add-hook 'shell-mode-hook (lambda () (rename-uniquely)))
>  >
>  > or renaming the current axiom buffer should give us a new axiom.
> 
> I don't understand what "usually" and "optionally" refer to.  

I meant, desired behaviour should be:

M-x axiom switches to the buffer *axiom*, if it exists and if it is an "axiom
          buffer".  (I guess that should be a buffer in axiom-mode, with a
          running axiom process.)

          If there is no such buffer, it creates a new buffer and a new axiom
          process.

          (add-hook 'axiom-mode-hook (lambda () (rename-uniquely))) should
          rename the buffer.  I do not know what else one could use
          shell-mode-hook (and therefore axiom-mode-hook) for.

My trouble is, that 

(define-derived-mode shell-mode comint-mode "Shell"
...
)

sets so many variables and 

(defun shell (&optional buffer)
...
)

does not mention add-hook at all and

shell-mode-hook is only defined as

(defcustom shell-mode-hook '()
  "*Hook for customising Shell mode."
  :type 'hook
  :group 'shell)

so I do not know when which function is called.

Should I make all variables local?  I guess, variables introduced with defvar
are intended to be customizable by the user and are global to all buffers in
axiom mode?  Other variables, global to each individual buffer are introduced
by make-local-variable?

I guess I should invest another hour or so...

Many thanks for your patience.

Martin



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