The current code is on github under https://github.com/drforr/Perl-Mogrify, but will change names upon release.
It's a configurable Perl5-Perl6 translator tool based heavily on Perl::Critic. You can use your own .perlmogrifyrc file to configure which translators you want to run, and eventually add and configure your own translators.
While I won't say that it compiles Perl5 to syntactically correct Perl6 100% of the time, I've tested it on DamianWare(tm), and with minimal intervention (changing package declarations, rewriting local *OUT mostly) 99% of Parse::RecDescent passed its compile-time check.
While most of the changes it does are trivial, they can be hard to get right. For instance, =~ is now ~~, ~ is now ^?, . is now ~, and -> is now .. Go ahead and figure out the right order to do those changes in vim or emacs, I'll wait for you. :)
In the meantime, it also changes your for() loops around, tidies map and grep, cleans up your filehandles, and changes your sigils from $x[0] to @x[0] like you've always secretly wanted to do.
As of release here's what it'll do:
- Add whitespace where needed - if(1), my($x), for(@z), qw(), qx()
- Translate non-decimal numbers: 0x12f, 0b1101, 017
- Properly interpolate numbers: \x{263a}, \N{LATIN LETTER CAPITAL X}
- Fix rational numbers: 32.
- Reformat here-docs: <<_EOF_;
- New Q operators: qw(), qr(), qx()
- Reformat strings: "\ua $hash{key}1 ${foo}"
- Print to filehandle: print FOO 43;
- C-style loops: for($i=0;$i<5;$i++)
- Perl-style loops: for my $x (@a)
- First-order expressions: map s/foo/bar/, keys %x
- Basic operators: !$a, $x . "foo"
- Package usage: use Foo;
- Constant declarations: use constant FOO => 1, Readonly my $FOO => 1
- Basic variables: $x->[3], @{ $x }, $x[2]++
- Special variables: @+, STDOUT, @ARGV
- Regular expressions: s/foo/bar/igx
- Sub prototypes: sub foo($)
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Perl5 release 22.0 is now available
“You are the advocate of the dead.”
The old man nodded. “I am. People talk about being fair to this one a
+nd that one,
but nobody I ever heard talks about doing right by them. We take ever
+ything they
had, which is all right. And spit, most often, on their opinions, whic
+h I suppose
is all right too. But we ought to remember now and then how much of w
+hat we have
we got from them. I figure while I’m still here I ought to put a word
+in for them.”
-- Gene Wolfe, Citadel of the Autarch
We are excited to announce Perl 5.22.0, the first stable release of Perl 5, version 22.
You will soon be able to download Perl 5.22.0 from your
favorite CPAN mirror or find it at:
https://metacpan.org/release/RJBS/perl-5.22.0/
SHA1 digests for this release are:
400338c91c56420d98142cbfcb84d418cae2c98c perl-5.22.0.tar.bz2
e4c9e40d18efa7368e77343e0fd3339ca87e34f8 perl-5.22.0.tar.gz
f40ad10d0b0e798efafebd9dc5d6509df2af3f1e perl-5.22.0.tar.xz
You can find a full list of changes in the file "perldelta.pod" located in
the "pod" directory inside the release and on the web.
Perl 5.22.0 represents approximately 12 months of development since Perl 5.20.0
and contains approximately 590,000 lines of changes across 2,400 files from 94
authors.
Excluding auto-generated files, documentation and release tools, there were
approximately 370,000 lines of changes to 1,500 .pm, .t, .c and .h files.
Perl continues to flourish into its third decade thanks to a vibrant community
of users and developers. The following people are known to have contributed the
improvements that became Perl 5.22.0:
Aaron Crane, Abhijit Menon-Sen, Abigail, Alberto Simões, Alex Solovey, Alex Vandiver, Alexandr Ciornii, Alexandre (Midnite) Jousset, Andreas König, Andreas Voegele, Andrew Fresh, Andy Dougherty, Anthony Heading, Aristotle Pagaltzis, brian d foy, Brian Fraser, Chad Granum, Chris 'BinGOs' Williams, Craig A. Berry, Dagfinn Ilmari Mannsåker, Daniel Dragan, Darin McBride, Dave Rolsky, David Golden, David Mitchell, David Wheeler, Dmitri Tikhonov, Doug Bell, E. Choroba, Ed J, Eric Herman, Father Chrysostomos, George Greer, Glenn D. Golden, Graham Knop, H.Merijn Brand, Herbert Breunung, Hugo van der Sanden, James E Keenan, James McCoy, James Raspass, Jan Dubois, Jarkko Hietaniemi,
Jasmine Ngan, Jerry D. Hedden, Jim Cromie, John Goodyear, kafka, Karen Etheridge, Karl Williamson, Kent Fredric, kmx, Lajos Veres, Leon Timmermans, Lukas Mai, Mathieu Arnold, Matthew Horsfall, Max Maischein, Michael Bunk, Nicholas Clark, Niels Thykier, Niko Tyni, Norman Koch, Olivier Mengué, Peter John Acklam, Peter Martini, Petr Písař, Philippe Bruhat (BooK), Pierre Bogossian, Rafael Garcia-Suarez, Randy Stauner, Reini Urban, Ricardo Signes, Rob Hoelz, Rostislav Skudnov, Sawyer X, Shirakata Kentaro, Shlomi Fish, Sisyphus, Slaven Rezic, Smylers, Steffen Müller, Steve Hay, Sullivan Beck, syber, Tadeusz Sośnierz, Thomas Sibley, Todd Rinaldo, Tony Cook, Vincent Pit, Vladimir Marek, Yaroslav Kuzmin, Yves Orton, Ævar Arnfjörð Bjarmason.
The list above is almost certainly incomplete as it is automatically generated
from version control history. In particular, it does not include the names of
the (very much appreciated) contributors who reported issues to the Perl bug tracker.
Many of the changes included in this version originated in the CPAN modules
included in Perl's core. We're grateful to the entire CPAN community for
helping Perl to flourish.
For a more complete list of all of Perl's historical contributors, please see the AUTHORS file in the Perl source distribution.
We expect to release perl v5.22.1 in about a month, give or take. The next major version of Perl 5, version 24.0, should appear in May 2016.
The first release of Perl 5's sister language, Perl 6, is expected around Christmas 2015.
Enjoy, Have FUN! H.Merijn
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