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bug#40034: 27.0.90; Incorrect grammar for scheme causes entry to debug m
From: |
Vladimir Nikishkin |
Subject: |
bug#40034: 27.0.90; Incorrect grammar for scheme causes entry to debug mode |
Date: |
Thu, 1 Oct 2020 00:18:20 +0800 |
Yes, I do.
Create a file temp.scm with the following contents:
```
(define (example . args)
args)
```
Launch emacs -Q temp.scm
M-: (semantic-mode 1) RET
This should already produce an error, but if it doesn't, add a few
empty lines and issue:
M-: (semantic-fetch-tags) RET
This should produce the error:
```
Debugger entered: ((1 34))
semantic--tag-expand((1 34))
semantic-repeat-parse-whole-stream(((semantic-list 1 . 34)) nil nil)
semantic-parse-region-default(1 39 nil nil nil)
semantic-parse-region(1 39)
semantic-fetch-tags()
semantic-fetch-tags()
eval((semantic-fetch-tags) t)
eval-expression((semantic-fetch-tags) nil nil 127)
funcall-interactively(eval-expression (semantic-fetch-tags) nil nil 127)
call-interactively(eval-expression nil nil)
command-execute(eval-expression)
```
On Wed, 30 Sep 2020 at 23:04, Lars Ingebrigtsen <larsi@gnus.org> wrote:
>
> Vladimir Nikishkin <lockywolf@gmail.com> writes:
>
> > The MWE is the following:
> >
> > (define (example . args)
> > args)
> >
> > The dot is not correctly parsed by the scm.el
> >
> > I found this with the following options on:
> >
> > (require 'semantic)
> > (global-semantic-idle-summary-mode t)
> > (global-semantic-idle-completions-mode t)
> > (global-semantic-mru-bookmark-mode t)
> > (global-semantic-stickyfunc-mode t)
> > (global-semantic-highlight-func-mode t)
> > (global-semantic-decoration-mode t)
>
> I tried this recipe in Emacs 27, but I didn't get any errors there. Do
> you have a recipe for how to reproduce the bug starting from "emacs -Q"?
>
> --
> (domestic pets only, the antidote for overdose, milk.)
> bloggy blog: http://lars.ingebrigtsen.no
--
Yours sincerely, Vladimir Nikishkin