Re: [OctDev] emacs macro for 2.1.39 adaptation

[Paul K. <pki...@ja...>]

Supporting both styles of args will lead to a lot crufty code.  Along with
the rapid developments of the past few months (cell array support and 
keyed list support) we are going to be doing a lot of things differently.

Do we really want to support pre-2.1.38 Octave?

I've already converted functions in general, image and signal, but I can
put backward compatibility support in again if someone wants to take the
time to write the preprocessor.

Please use apps available to configure: cc, grep, awk, sed but no perl,
python or tcl.

To support the TSA toolbox, the preprocessor should also be able to test
for matlab versions.

How about:

	%function foo (...)      %# pre o2.1.37
	function foo (varargin)  %# post o2.1.37 or post m5.0.0
	%function foo (a1,a2,a3,a4,a5) %# pre m5

Or if you don't want to bother with Matlab 4 support

	%function foo (...)      %# pre o2.1.37
	function foo (varargin)  %# post o2.1.37 or post m0

We don't have to write the preprocessor now, but it would be nice to
nail the syntax.  

Call it with 
	mprep o$OCTAVE_VERSION *.m
or
	mprep m$MATLAB_VERSION *.m


So version is nameMajor.Minor.Patch, and we need pre, post, and, or

We could let name be the null string for octave.

Thoughts?

- Paul

On Sat, Nov 02, 2002 at 01:35:29PM +0000, Etienne Grossmann wrote:
> 
>   Hello,
> 
> for those who use emacs and are updating octave code for 2.1.39, the
> following macro may come handy to substitute a line like 
> 
>      function foo (...)
> 
>   into 
> 
>      ## pre 2.1.39 function foo (...)
>      function foo (...) ## pos 2.1.39
> 
> , so that it be easy to keep track of the changes.
> 
>   Hth,
> 
>   Etienne
> 
> ======================================================================
> ;; Keyboard Macro Editor.  Press C-c C-c to finish; press C-x k RET to cancel.
> ;; Original keys: C-a C-k C-y C-a ## S-SPC pre SPC 2.1.39 SPC C-e RET C-y C-e SPC ## SPC pos SPC 2.1.39
> 
> Command: octadapt
> Key: none
> 
> Macro:
> 
> C-a			;; beginning-of-line
> C-k			;; kill-line
> C-y			;; hilit-yank
> C-a			;; beginning-of-line
> ##			;; self-insert-command * 2
> S-SPC
> pre			;; self-insert-command * 3
> SPC			;; self-insert-command
> 2.1.39			;; self-insert-command * 6
> SPC			;; self-insert-command
> C-e			;; end-of-line
> RET			;; newline
> C-y			;; hilit-yank
> C-e			;; end-of-line
> SPC			;; self-insert-command
> ##			;; self-insert-command * 2
> SPC			;; self-insert-command
> pos			;; self-insert-command * 3
> SPC			;; self-insert-command
> 2.1.39			;; self-insert-command * 6
> 
> 
> -- 
> Etienne Grossmann ------ http://www.isr.ist.utl.pt/~etienne
> 
> 
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