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bug#43916: $$, $@, $bla colors in Perl mode vs. Shell-script mode
From: |
Corwin Brust |
Subject: |
bug#43916: $$, $@, $bla colors in Perl mode vs. Shell-script mode |
Date: |
Wed, 21 Oct 2020 01:25:23 -0500 |
Hi!
On Tue, Oct 20, 2020 at 6:42 AM 積丹尼 Dan Jacobson <jidanni@jidanni.org> wrote:
>
> >>>>> "LI" == Lars Ingebrigtsen <larsi@gnus.org> writes:
> LI> 積丹尼 Dan Jacobson <jidanni@jidanni.org> writes:
>
> >> OK but that doesn't explain the inconsistencies within the same language
> >> seen.
>
> LI> The $ is the same colour in Perl mode, so you'll have to be more
> LI> specific about what inconsistencies you're referring to.
>
> All I know is in perl mode,
> $$, $@, $bla
> BB, BB, BTTT (Black, Tan)
>
> So it should be
> BT, BT, BTTT like Shell-script mode,
> or
> BB, BB, BBBB
> or
> TT, TT, TTTT.
I think what we have now makes sense. I've tried to attach a
screenshot of a -Q session but with (setq cperl-hairy t)
In essence, what I think I see is that cperl will color the whole
array or hash variable including the @ or % sigil when it used as
such, however, when a sigil is used to dereference only sigils is
colored for the hash or array - the scalar being derefered is colored
per scalar (e.g. tan). This is perhaps the most immediately obvious
difference between perl and cperl-mode and probably a big part of why
I think that cperl provides much better visual feedback than
perl-mode. (As an aside, I've long wondered if there are people who
perl-mode to cperl-mode and if disagreement about this drives that
preference.)
One thing I could wish for is that scalars used within hash and array
access would be colored just as they are otherwise, e.g. using the tan
color for the $scalar in $arr[$scalar] and $hash{$scalar}.
Otherwise I'm pretty happy; I've not found a better Perl editing
experience than Emacs cperl-mode.
Thanks for your work on this feature!
Corwin
emacs_4h1pZBfvyO.png
Description: PNG image
- bug#43916: $$, $@, $bla colors in Perl mode vs. Shell-script mode, 積丹尼 Dan Jacobson, 2020/10/10
- bug#43916: $$, $@, $bla colors in Perl mode vs. Shell-script mode, Lars Ingebrigtsen, 2020/10/11
- bug#43916: $$, $@, $bla colors in Perl mode vs. Shell-script mode, 積丹尼 Dan Jacobson, 2020/10/15
- bug#43916: $$, $@, $bla colors in Perl mode vs. Shell-script mode, Lars Ingebrigtsen, 2020/10/16
- bug#43916: $$, $@, $bla colors in Perl mode vs. Shell-script mode, 積丹尼 Dan Jacobson, 2020/10/17
- bug#43916: $$, $@, $bla colors in Perl mode vs. Shell-script mode, Lars Ingebrigtsen, 2020/10/19
- bug#43916: $$, $@, $bla colors in Perl mode vs. Shell-script mode, 積丹尼 Dan Jacobson, 2020/10/20
- bug#43916: $$, $@, $bla colors in Perl mode vs. Shell-script mode,
Corwin Brust <=
- bug#43916: $$, $@, $bla colors in Perl mode vs. Shell-script mode, 積丹尼 Dan Jacobson, 2020/10/21