From: mvar <mvar.40k@gmail.com>
To: 44465@debbugs.gnu.org
Cc: mvar <mvar.40k@gmail.com>, monnier@iro.umontreal.ca
Subject: bug#44465: 28.0.50; tcl-mode mismatched parenthesis for nested [strings]
Date: Sun, 15 Aug 2021 01:22:50 +0300 [thread overview]
Message-ID: <87zgtjwts5.fsf@cnu407c2zx.nsn-intra.net> (raw)
In-Reply-To: <87eel8asmr.fsf@cnu407c2zx.nsn-intra.net> (mvar's message of "Thu, 05 Nov 2020 14:35:24 +0200")
mvar <mvar.40k@gmail.com> writes:
> After the applied fix in #39277, font locking fails in the following case:
>
> set a "Testing: [split "192.168.1.1/24" "/"] address"
>
> the last bracket ] reports "no matching parenthesis found"
>
> this part:
>
> 192.168.1.1/24"
>
> is not locked as a string, but "/" is.
>
> Note that the whole argument is evaluated properly by tclsh as a
> single contiguous string:
>
> % set a "Testing: [split "192.168.1.1/24" "/"] address"
> Testing: 192.168.1.1 24 address
>
> i can't find a way around this behavior even with escaping the double
> quotes or using single quotes, because doing that will change how the
> argument is evaluated by tcl (array instead of string):
>
> % set b "Testing: [split '192.168.1.1/24' '/'] address"
> Testing: {} 192.168.1.1 24 {} address
> % set a "Testing: [split \"192.168.1.1/24\" \"/\"] address"
> Testing: {} 192.168.1.1 24 {} address
> %
>
i've been trying every once in a while to figure out a solution to this
bug but keep failing.
@Stefan i've added you to cc: in case you can help a bit and provide
some tips.
In the fix for #39277 you've added tcl--syntax-of-quote and also this comment:
(defconst tcl-syntax-propertize-function
;; FIXME: Handle the [...] commands nested inside "..." strings.
so my question, is the problem described in this bug report supposed to be fixed as
a regexp in the tcl-syntax-propertize-function rules list or should i try
to extend tcl--syntax-of-quote to cover this case too? I've failed in
both accounts so far, especially the regexp i can't find the proper
pattern to fix this and not break something else (which kind of proves the
saying "you fix 1 problem with regexp - you now have 2 problems" :)
thank you in advance,
Michalis
next prev parent reply other threads:[~2021-08-14 22:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-05 12:35 bug#44465: 28.0.50; tcl-mode mismatched parenthesis for nested [strings] mvar
2021-01-22 19:25 ` bug#44465: Still open after applying fix for #44834 and #44083 Anticrisis
2021-08-14 22:22 ` mvar [this message]
2021-08-14 23:51 ` bug#44465: 28.0.50; tcl-mode mismatched parenthesis for nested [strings] Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
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