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From: Alan Mackenzie <acm@muc.de>
To: "Clément Pit--Claudel" <clement.pitclaudel@live.com>
Cc: 22288-done@debbugs.gnu.org
Subject: bug#22288: 25.0.50; Incorrect line and column number in byte-compilation warning
Date: Sat, 22 Jan 2022 18:16:58 +0000	[thread overview]
Message-ID: <YexKGvOcfTMQtFJD@ACM> (raw)
In-Reply-To: <5686A130.1090708@live.com>

Hello Everybody.

This bug has just been fixed in master by merging in branch
scratch/correct-warning-pos.

-- 
Alan Mackenzie (Nuremberg, Germany).

On Fri, Jan 01, 2016 at 10:54:24 -0500, Clément Pit--Claudel wrote:
> Hi all,

> The byte-compiler doesn't always report the right line and column numbers. For example for the following program in test.el:

> (defun test ()
>   (let (a))
>   a)

> Running M-x byte-compile-file RET test.el RET yields:

> > Compiling file /home/clement/test.el at Fri Jan  1 10:48:41 2016

> > In test:
> > test.el:2:9:Warning: reference to free variable ‘a’

> The correct warning would be

> > test.el:3:2:Warning: reference to free variable ‘a’

> Note that the following program gives the right error:

> (defun test ()
>   (let (b))
>   a)

> > test.el:3:3:Warning: reference to free variable ‘a’

> Although one might argue that it should be

> > test.el:3:2:Warning: reference to free variable ‘a’

> (that is, column 2, not 3) given that Emacs starts counting columns at 0.

> Cheers,
> Clément.

> In GNU Emacs 25.0.50.8 (x86_64-unknown-linux-gnu, GTK+ Version 3.10.8)
>  of 2015-12-29 built on clem-w50-mint
> Repository revision: a21bb238ce7bcc9c13a9cf66db77918304daa2fc
> Windowing system distributor 'The X.Org Foundation', version 11.0.11501000
> System Description:	Linux Mint 17.2 Rafaela





      parent reply	other threads:[~2022-01-22 18:16 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-01 15:54 bug#22288: 25.0.50; Incorrect line and column number in byte-compilation warning Clément Pit--Claudel
2016-01-02 17:47 ` Glenn Morris
2016-01-11 22:12 ` bug#22288: Confirmed for 24.3.1 Arseniy Zaostrovnykh
2022-01-22 18:16 ` Alan Mackenzie [this message]

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