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Date: Wed, 16 Oct 1996 07:45:14 -0700
Message-Id: <199610161445.HAA04723@kronstadt.rahul.net>
From: Ian T Zimmerman <itz@rahul.net>
To: Basile Starynkevitch - LETR/IA <basile@mimas.saclay.cea.fr>
CC: caml-list@inria.fr
In-reply-to: Basile Starynkevitch - LETR/IA's message of Thu, 10 Oct 1996
	16:35:40 +0200
Subject: Re:    Error messages in Caml &co
References: <199610101435.QAA14156@mimas.serma.cea.fr>
Sender: weis



In article <199610101435.QAA14156@mimas.serma.cea.fr> Basile
Starynkevitch - LETR/IA <basile@mimas.saclay.cea.fr> writes:

> Make caml error messages compatible with Emacs conventions, for
> instance compatible with GNU error message convention
>    filename:number: error message

Caml does more than most compilers: it reports the column number where
the error occurred, not just the line number.  That's why the format
is different.

> 
> Otherwise, give a hint regarding the value of the Emacs variable for
> parsing error messages; I've added to my ~/.emacs
> 
> (setq
>  compilation-error-regexp-alist
>   (append compilation-error-regexp-alist
> 	  '(
> 	    (".*lines? \\([0-9]+\\)[ \t]+of[ \t]+\"?\\([^\":\n]+\\)\"?"
> 	     3 2)
> 	    )
> 	  )
> )
> 
> But I am not sure it is correct. If people have a better value,
> please tell it!
> 

Please see the elisp code: the exact messages depend on the local
language, hence your regex probably won't work in the German version
(for one: lines => Zeilen).

You may want to check out my extensions to Caml Emacs tools, available
on
    ftp://ftp.rahul.net/pub/itz 
and the usual elisp archives (I hope).

They have not been updated for ocaml (or csl), though, because I don't
want to deal with unfortunate gratituous syntax incompatibilities.
(Has anyone out there tried that?  How do you cope eg. with the '
character being used both in char literals and type variables?)

-- 
Ian T Zimmerman                        <itz@rahul.net>
Days spent working only for oneself are twice wasted; 
it would have been better not to work at all.