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I've been working on C<cperl-mode.el>, the Emacs mode for editing
Perl, again.  It now comes in two flavors -- plain Perl, and Moose.
The plain Perl version has not changed much in the last year, it is
the same cperl-mode that you all know and love, but with support for
all Perl 5.10 features.  You can get that branch here:

L<http://github.com/jrockway/cperl-mode/tree/master>

The interesting thing, though, is the Moose branch, available from:

L<http://github.com/jrockway/cperl-mode/tree/moosex-declare>

This supports all of the Perl syntax extensions offered by
C<MooseX::Declare> and C<MooseX::MultiMethods>.  Here's a picture of
what it looks like:

L<http://jrock.us/moosex-cperl.png>

Basically, it supports all the new features that these modules
introduce as though they were native Perl features.  It adds the
method declaration keywords "method", "multi method", "before",
"after", "around", "augment", and "override"; the Moose sugar
"requires" and "has"; and also highlights the method signatures in the
same way they would be highlighted in other languages.

Unlike the version from a few days ago, this version will work
perfectly if you don't use MooseX::Declare; it won't mess up any
highlighting if you use plain Moose.  (The old version was confused by
the single quote in C<< before 'foo' => sub { >>, since it tried to
parse it like it was C<< sub 'foo' ... >>, which is not quite what you
want due to C<'> being a package separator.  Argh!  But it's fixed
now, so worry not...)

Finally, all this support is easily customizable now; if you invent a
new method-defining keyword, you can just add it to the
C<cperl-sub-keywords> list, and cperl will automatically treat it like
Perl's built-in C<sub> keyword.  All the work done to highlight method
signatures is done in a separate routine,
C<cperl-fontify-method-signature>.  So if you want to change
something, you can do it fairly easily.  (I should mention that that
function also highlights subroutine prototypes now, so even if you
don't use C<MooseX::Method::Signatures>, traditional prototypes like
C<sub foo(&$) { ... }> will still be prettified for you.)

Anyway, if you are using GNU Emacs 23, you should try this out.  It's
made using Perl even nicer for me.
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