From: Konstantin Kharlamov <Hi-Angel@yandex.ru>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 69120@debbugs.gnu.org
Subject: bug#69120: Spurious "function is not known to be defined" if defined in `use-package` body
Date: Thu, 15 Feb 2024 07:00:40 +0300 [thread overview]
Message-ID: <4380470ad6bbde9eb8b72135a039da5d218df8e9.camel@yandex.ru> (raw)
In-Reply-To: <5d0c0baa89e8fc0fe6fe9d4fdfbca72cf67d123e.camel@yandex.ru>
On Thu, 2024-02-15 at 06:57 +0300, Konstantin Kharlamov wrote:
> On Wed, 2024-02-14 at 19:58 +0300, Konstantin Kharlamov wrote:
> > Mhm… Well, that does reduce the testcase to this code:
> >
> > ;;; -*- lexical-binding: t -*-
> > (progn
> > (defun hello()
> > (print "hello"))
> > (hello))
> >
> > So the function is defined in the same visibility scope as where
> > it's
> > used, right
> > before its use, but byte-compiler apparently doesn't see that.
>
> Turns out this false-positive is even more common than I thought.
>
> As upstream Emacs deprecated `defadvice`, I'm porting `lsp-mode`
> plugin
> to an `advice-add`. They use it as a debugging facility, and there's
> an
> "advicing" call inside a `(defun …)`, and the function is defined
> inside the same `(defun …)` as well. And it also triggers the same
> warning. In terms of minimal testcase:
>
> ;;; -*- lexical-binding: t -*-
> (defun foo ()
> (defun hello()
> (print "hello"))
> (hello))
An interesting fact: inserting a `(declare-function hello nil)` after a
`defun` suppresses the warning. So I guess `defun` should work somehow
similarly to `declare-function`.
next prev parent reply other threads:[~2024-02-15 4:00 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-14 11:16 bug#69120: Spurious "function is not known to be defined" if defined in `use-package` body Konstantin Kharlamov
2024-02-14 15:23 ` Eli Zaretskii
2024-02-14 15:28 ` Konstantin Kharlamov
2024-02-14 16:07 ` Eli Zaretskii
2024-02-14 16:10 ` Konstantin Kharlamov
2024-02-14 16:38 ` Eli Zaretskii
2024-02-14 16:58 ` Konstantin Kharlamov
2024-02-15 3:57 ` Konstantin Kharlamov
2024-02-15 4:00 ` Konstantin Kharlamov [this message]
2024-02-15 6:51 ` Eli Zaretskii
2024-02-15 15:21 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
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