GNU bug report logs - #64190
30.0.50; cperl-mode.el: bad recognition of multiline declarations

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Harald Jörg <haj <at> posteo.de>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#64190: closed (30.0.50; cperl-mode.el: bad recognition of
 multiline declarations)
Date: Sat, 01 Jul 2023 20:21:02 +0000

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Your message dated Sat, 01 Jul 2023 20:20:21 +0000
with message-id <87o7kvo03e.fsf <at> oook.m.uunet.de>
and subject line Multiline declarations in cperl-mode are fixed in the repository.
has caused the debbugs.gnu.org bug report #64190,
regarding 30.0.50; cperl-mode.el: bad recognition of multiline declarations
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


-- 
64190: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=64190
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From: Harald Jörg <haj <at> posteo.de>
To: bug-gnu-emacs <at> gnu.org
Subject: 30.0.50; cperl-mode.el: bad recognition of multiline declarations
Date: Tue, 20 Jun 2023 11:13:37 +0000

Owner: haj <at> posteo.de

In CPerl mode, several constructs aren't recognized when they span
several lines, leading to bad fontification and indentation.  "Modern"
Perl declarations like subroutine signatures and class attributes are
more likely to span more than one line, so this should be fixed.

Example 1 (copy to a buffer and run M-x cperl-mode):
Only the first line is fontified here:
----------------------------------------------------------------------
my ($var1,
    $var2,
    $var3)
----------------------------------------------------------------------

Example 2 (copy to a buffer and run M-x cperl-mode):
The package name isn't fontified.
----------------------------------------------------------------------
package Foo
    0.1;
----------------------------------------------------------------------

Example 3 (this happens only while entering that code): When you type in
a subroutine like this, the subroutine name isn't fontified.
----------------------------------------------------------------------
sub do_stuff
{
    ...;
}
----------------------------------------------------------------------

Example 4 (this happens only while typing):  Put the cursor at the
beginning of the second line and enter a space.  The rest of the buffer
is fontified as string.
----------------------------------------------------------------------
sub do_stuff ($param1,
$param2)
{
   ...;
}

sub oops { ...; }
----------------------------------------------------------------------

Examples 3 and 4 can be recovered from by running M-x cperl-find-pods-heres
or by restarting M-x cperl-mode: They are caused by cperl-mode not
reacting correctly to calls from jit-lock.

-- 
Cheers,
haj

[Message part 3 (message/rfc822, inline)]

From: Harald Jörg <haj <at> posteo.de>
To: 64190-done <at> debbugs.gnu.org
Subject: Multiline declarations in cperl-mode are fixed in the repository.
Date: Sat, 01 Jul 2023 20:20:21 +0000

Fontification of multiline signatures has been fixed in the Emacs master
branch.  cperl-mode.el as available in the repository can be used with
Emacs 28 and 27 (and could be backported to Emacs 26 if there is
interest).

-- 
Cheers,
haj

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