perl.perl6.announce

Updated: parrot-0.6.4-1 with parrot-perl6 and parrot-languages by Reini Urban

From: Reini Urban Hi,

The parrot packages with libparrot0 and libparrot-devel,
plus parrot-perl6 and parrot-languages are updated to 0.6.4 for
the Cygwin distribution.

Parrot is a virtual machine designed to efficiently compile and
execute bytecode for interpreted languages.
Parrot is a target for the upcoming Perl 6 and a lot of other
languages.

Canonical homepage:
http://www.parrotcode.org/
The Parrot wiki is at http://www.perlfoundation.org/parrot/

Canonical download:
http://www.parrotcode.org/release/devel

Updates appear timely every month until v1.0 at the end of this year due
to stable funding. 0.6.5 will be released on 19 Aug 2008.

Packaging Details:

* The php implementation is now called pipp.
* /usr/bin/libparrot.dll is now /usr/bin/cygparrot0_6_4.dll
* moved examples and parrot_config from libparrot-devel to parrot
* Added list of local patches to myconfig
[perl #51944] [DOCS] Cygwin Readme
[perl #56544] [PATCH] install_files.pl
[perl #56558] [PATCH] pdb rename to parrot_debugger
[perl #56562] [PATCH] root.in: add cygwin importlib
[perl #56998] [TODO] rename cygwin dll to
cygparrot$MAJOR_$MINOR_$PATCH.dll
[perl #57006] [PATCH] add cygwin opengl config quirks
[perl #57110] [PATCH] ncurses for cygwin
[perl #57112] [PATCH] postgres for cygwin
[perl #57114] [PATCH] urm RealBin issue
* added man1 pages for most binaries
* added vim and emacs support files
* added parrot-json

----

To update your installation, click on the "Install Cygwin now" link on
the http://cygwin.com/ web page. This downloads setup.exe to your
system. Once you've downloaded setup.exe, run it and select "Editors"
or "Text" and then click on the appropriate fields until the above
announced version numbers appear if they are not displayed already.

If your mirror doesn't yet have the latest version of this package after
24 hours, you can either continue to wait for that site to be updated or
you can try to find another mirror.

Please send questions or comments to the Cygwin mailing list at:
cygwin@cygwin.com

If you want to subscribe go to:
http://cygwin.com/ml/cygwin/

I would appreciate if you would use this mailing list rather than
emailing me directly. This includes ideas and comments about the setup
utility or Cygwin in general.

If you want to make a point or ask a question the Cygwin mailing
list is the appropriate place.

--
Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
Problem reports: http://cygwin.com/problems.html
Documentation: http://cygwin.com/docs.html
FAQ: http://cygwin.com/faq/

New packages: parrot-0.6.3-1 with parrot-perl6 and parrot-languages by Reini Urban

From: Reini Urban Hi,

The 0.6.3 parrot packages with libparrot0 and libparrot-devel,
plus parrot-perl6 and parrot-languages are now available with
the Cygwin distribution.

Parrot is a virtual machine designed to efficiently compile and
execute bytecode for interpreted languages.
Parrot is a target for the upcoming Perl 6 and a lot of other
languages.

.include searchpath:
/usr/runtime/parrot/include (bogus)
/usr/runtime/parrot (bogus)
/usr (bogus)
/usr/lib/parrot/include
/usr/lib/parrot/
.

with the extensions: "" .exe .lnk .exe.lnk .past .past.exe .past.lnk
.past.exe.lnk .pir .pir.exe .pir.lnk .pir.exe.lnk
The .exe and .lnk versions are of course cygwin-magic only.

Runtime requirements:
libparrot0 libreadline6 ncurses libintl8 libicu38 libgmp3 libgdbm4

Optional requirements:
libglut3 pcre xorg-x11-base xorg-x11-bin-dlls libpq5 openssl

Build requirements:
gcc make perl readline libncurses-devel libgmp-devel
libgdbm-devel pcre-devel

Optional build requirements:
libglut-devel libicu-devel openssl-devel

Required CPAN packages:
Test::TAP::HTMLMatrix if you want to run the language smoke tests
with make languages-smoke.
Test::Base for some APL language tests.

Canonical homepage:
http://www.parrotcode.org/
The Parrot wiki is at http://www.perlfoundation.org/parrot/

Canonical download:
http://www.parrotcode.org/release/devel

Updates appear timely every month until v1.0 at the end of this year due
to stable funding. 0.6.4 will be uploaded really soon - tomorrow
hopefully, 0.6.5 will be released on 19 Aug 2008.

Packaging Details:

The php implementation, now called pipp, is here still called plumhead.
This will be pipp from the next release 0.6.4 on.

parrot-languages is going the single package route, contrary to the
fedora split. They have for every single language a seperate package.
Otherwise the package layout is similar to fedora, debian, gentoo and
freebsd.

perl6 is called /usr/bin/perl6.exe, the other languages have a "parrot-"
prefix. There are no perl6 libraries at all included.

pdb is called parrot_pdb, and will be named parrot_debugger in the
future as voted yesterday - you see the packaging is still a bit in flux
:) - disassemble is already called pbc_disassemble.

The SDL library references cygSDL-1-2-0.dll per ffi, which is only in
cygports: http://cygwinports.dotsrc.org/

/usr/bin/libparrot.dll will be /usr/bin/cygparrot0_6_4.dll for the next
version.

There are no man(1) pages yet. This is in work.
----

To update your installation, click on the "Install Cygwin now" link on
the http://cygwin.com/ web page. This downloads setup.exe to your
system. Once you've downloaded setup.exe, run it and select "Editors"
or "Text" and then click on the appropriate fields until the above
announced version numbers appear if they are not displayed already.

If your mirror doesn't yet have the latest version of this package after
24 hours, you can either continue to wait for that site to be updated or
you can try to find another mirror.

Please send questions or comments to the Cygwin mailing list at:
cygwin@cygwin.com

If you want to subscribe go to:
http://cygwin.com/ml/cygwin/

I would appreciate if you would use this mailing list rather than
emailing me directly. This includes ideas and comments about the setup
utility or Cygwin in general.

If you want to make a point or ask a question the Cygwin mailing
list is the appropriate place.

--
Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
Problem reports: http://cygwin.com/problems.html
Documentation: http://cygwin.com/docs.html
FAQ: http://cygwin.com/faq/

Parrot 0.6.4 by Bernhard Schmalhofer

From: Bernhard Schmalhofer Hi,

on behalf of the Parrot team, I'm proud to announce the release of
Parrot 0.6.4
"St. Vincent Amazon."

Parrot 0.6.4 is available via CPAN, or follow the download
instructions at http://parrotcode.org/source.html. For those who would
like to develop on
Parrot, or help develop Parrot itself, we recommend using Subversion on
the source code repository to get the latest and best Parrot code.

Parrot 0.6.4 News:
- Documentation
+ removed a lot of old information from the FAQ
+ improved function level documentation
- Configuration
+ removed the configuration item 'has_gnu_m4'
+ refactored ICU-detection
- Languages
+ ChitChat
- improved the Smalltalk implementation
+ Pipp
- renamed Plumhead to Pipp
- support for a lot of builtin functions.
- Pipp now uses PHP specific data types.
- converted from PCT with TGE to PCT with NQP actions
- improvements in the PCT variant by using optok parsing
- start of object support
+ pir
- simple assignments work
+ json
- added a PCT-based implementation of JSON parsing
+ lolcode
- improved handling of symbols
- added support for block handling
- added support for globals
+ Lua
- more tests
+ Rakudo
- updated Range implementation
- added enums
- added generic type declarations (::T)
- added runtime mixing of roles with 'does' and 'but'
- added generic type declarations
- fixed handling of implicit lexicals ($_, $!, and $/)
- fixed implicit method calls on $_
- improved complex math builtins, added Complex
- moved many builtins to class Any
- declaration of lists of variables now work
- improved test infrastructure
- 910 additional passing spec tests since last release
- more convergence with STD.pm grammar
- added named 0-ary parsing and ops
- Compilers
+ PCT:
- allowed subroutine and method names to be a PAST tree that
produces the name
- Improved lexical handling
- Tools
+ pbc_disassemble renamed from disassemble
- Implementation
+ allowed .macro_const in PIR
+ added the flag :lexid(...) for subroutines
+ made multiple dispatch work for sub types
+ fixed garbage collection bug related to the metadata attached to a
PMC_EXT structure
+ added a warning when using deprecated opcodes
+ simplified the stacks implementation
+ fixed C++ build
+ improved closure and lexical support
+ improved IMCC register allocator
+ added cache for all runtime-constant strings, reducing memory usage
- Miscellaneous
+ improved OpenGL/GLU/GLUT bindings
+ added a standard profile for Perl::Critic coding standard testing
+ added support for smoke testing with Smolder
+ enabled use of Test::Harness 3.0 if available, but don't require it
for 'make test'
+ added the executable 'parrot_config' to query Parrot configuration

Many thanks to all our contributors for making this possible, and our
sponsors
for supporting this project. Our next scheduled release is August 19th
2008.

Enjoy!

Re: Parrot 0.6.3 "Beautiful Parrot" Released! by Alberto Simões

From: Alberto Simões Congratulations.

And nice timing. Right before Mozilla gets firefox.com working.

Cheers
Alberto

Nuno 'smash' Carvalho wrote:
> Greetings,
>
> On behalf of the Parrot team, I'm proud to announce Parrot 0.6.3
> "Beautiful Parrot." Parrot (http://parrotcode.org/) is a virtual machine aimed
> at running all dynamic languages.
>
> Parrot 0.6.3 is available via CPAN (soon), or follow the download
> instructions at http://parrotcode.org/source.html. For those who
> would like to develop on
> Parrot, or help develop Parrot itself, we recommend using Subversion on
> the source code repository to get the latest and best Parrot code.
>
> Parrot 0.6.3 News:
> - Specification
> + updated pdd09_gc.pod
> - Languages
> + Cardinal:
> - dramatically improved parsing speed
> - added support for defining and instantiating classes
> - started fleshing out the builtin class hierarchy
> - added support for hashes and arrays
> + Chitchat: added the start of a smalltalk compiler
> + Pheme: updated to match PGE changes
> + Pynie: return statement, other minor updates
> + Rakudo:
> - added working list and hash contexts
> - added 'return' statements
> - added => pair constructor
> - added ?? !! ternary
> - added Range, range operators, Complex
> - added common List, Hash methods
> - refactored base classes
> - added Mutable, Perl6Scalar classes
> - added type-checking, is readonly/rw/copy for parameters
> - added make localtest, docs/spectest-progress.csv
> - fix named unaries
> + Squaak: implement return statement
> + Tcl: updated control flow exceptions to use new builtin types
> - Compilers
> + All tools converted to P6object metamodel
> + PGE:
> - <?foo> is now a zero-width match
> - reduced backtracking to improve parsing speed
> + PCT:
> - added "return" PAST.op node type for subroutine returns
> - added "keyed_int" scoping to PAST::Var
> - fixed calls to closures
> - automatically transcode 7-bit unicode to ascii for faster processing
> + NQP: added "return" statement, ?? !! ternary operator
> - Configuration
> + expanded step gen::opengl
> - Implementation
> + updated function and macro names to match pdd09_gc.pod
> + removed Super PMC
> + add ".namespace []" as alternative to ".namespace"
> + "make codetest" target runs standard coding tests
> - Miscellaneous
> + added P6object class for Perl 6 interfaces to objects in Parrot
> + ported OpenGL/GLU/GLUT bindings to Win32, BSD, and more Mac OS X variants
> + generate OpenGL/GLU/GLUT bindings by parsing system headers
> + new OpenGL example shapes.pir, covering basic OpenGL 1.1 / GLUT 3 APIs
> + new float4.pir structure-packing benchmark
> + reduced memory use for variables
> + improved constant string caching
> + made code g++ and gcc (with optimizations) safe
> + the usual collection of bugfixes and optimizations
>
>
> Many thanks to all our contributors for making this possible, and our sponsors
> for supporting this project. Our next scheduled release is 15 July 2008.
>
> Enjoy!
> ./smash

--
Alberto Simões - Departamento de Informática - Universidade do Minho
Campus de Gualtar - 4710-057 Braga - Portugal

Parrot 0.6.3 "Beautiful Parrot" Released! by Nuno 'smash' Carvalho

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

Parrot 0.6.2 "Reverse Sublimation" Released! by chromatic

From: chromatic They were walking to the Hemlock, the Rooster and the Mice, and the
Mice kept looking at one another, questioning.

"We don't know what the future holds, do we?" said Chauntecleer. The
Mice all shook their heads. They knew very little of anything. "If,"
said Chauntecleer, "I say, if I don't come back again, then you must
make this food to last a long, long time. I trust your prudence,
don't I?" he asked, and they nodded automatically, but their eyes
were very big. "And I trust your integrity, right?" They nodded.
"And you are mature, now, and I respect your maturity, isn't that
so?" Poor Mice, they nodded and nodded, and they blinked, and they
nodded. They looked afraid. "Good," said Chauntecleer. "I know I
won't be disappointed.

In this way he gave each Mouse a manhood. They couldn't talk to him
just now, having so much to turn over in their minds. But neither
did they cry.

-- The Book of Sorrows, by Walter Wangerin Jr.

On behalf of the Parrot team, I'm proud to announce Parrot 0.6.2
"Reverse Sublimation." [1]Parrot is a virtual machine aimed at running
all dynamic languages.

Parrot 0.6.2 is available via [2]CPAN (soon), or [3]follow the download
instructions. For those who would like to develop on Parrot, or help
develop Parrot itself, we recommend using [4]Subversion or [5]SVK on
[6]our source code repository to get the latest and best Parrot code.

Parrot 0.6.2 News:
* Specification
+ updated and launched pdd28_strings.pod
+ updated pdd19_pir.pod
* Implementation
+ added implementation of Rational PMC
+ simplified ops control flow syntax
+ enabled backtrace on non-glibc platforms too
+ improved some PIR error reporting
+ removed user stack opcodes (save, restore, lookback,
entrytype, depth, rotate_up) (NOTE: This was scheduled to
occur after 0.7.0, moved up to this release)
+ removed register stack, saveall, and restoreall opcodes
+ removed various deprecated features and unused code
* Languages
+ Amber: retired
+ C99: grammar updated
+ Cardinal: resurrected, method calls and do blocks work now
+ Eclectus: use NQP as PAST generating code
+ Lua:
o added big number library
o updated to match PGE changes
o added a bytecode disassembler & a Lua 5.1 VM bytecode
translator
+ Pheme: updated to match PGE/PCT changes
+ Plumhead:
o use NQP as PAST generating code
o use riaxpander for macro expansion
+ Rakudo:
o updated ROADMAP
o conditional and loop statement modifiers
o lots of class, object, role, and method improvements
o Str increment and decrement
o improved spectest reporting
o type checking on assignment
o regexes and grammars
o undef and self
o placeholder vars
+ Squaak: added to repository
+ TAP: retired
* Compilers
+ PGE: updated to match Synopsis 5, deprecated features removed
+ PCT:
o improve handling of register types, conversion between
registers
o improved error diagnostics
o add 'arity' to for loops
* Configuration
+ added step auto::opengl
+ added step gen::opengl
+ added step gen::call_list
* Miscellaneous
+ still more optimizations and performance improvements,
especially in GC
+ new libraries: OpenGL/GLU/GLUT bindings (small subset working)
+ new dump_pbc.pl utility: PBC disassembly/source code weaver
+ improved C++ compiler support
+ optimized builds work again

Gracias to all our contributors for making this possible, and our
sponsors for supporting this project.

Enjoy!

References

1. http://parrotcode.org/
2. http://search.cpan.org/dist/parrot
3. http://parrotcode.org/source.html
4. http://subversion.tigris.org/
5. http://svk.bestpractical.com/
6. https://svn.perl.org/parrot/trunk/

Re: Parrot 0.6.1 "Bird of Paradise" Released by François Perrad

From: François Perrad 2008/4/15 jerry gay <jerry.gay@gmail.com>:

> Aloha!
>
> On behalf of the Parrot team, I'm proud to announce Parrot 0.6.1
> "Bird of Paradise." Parrot (http://parrotcode.org/) is a virtual machine
> aimed
> at running all dynamic languages.
>

The Windows setup is available on http://parrotwin32.sourceforge.net/

François.

>
> Parrot 0.6.1 can be obtained via CPAN (soon), or follow the
> download instructions at http://parrotcode.org/source.html.
> For those who would like to develop on Parrot, or help develop
> Parrot itself, we recommend using Subversion or SVK on the
> source code repository to get the latest and best Parrot code.
>
> Parrot 0.6.1 News:
> - Specification
> + drafted pdd29_compiler_tools.pod
> + updated pdd28_character_sets.pod draft
> + updated pdd19_pir.pod draft
> - Languages
> + c99: added independent C pre-processor
> + HQ9+: reimplemented with PCT
> + Lua:
> . reimplementation with PCT, using PAST and POST
> . behavior aligned wih 5.1.3
> + Rakudo:
> . implemented basic I/O, including '$*IN', '$*OUT', '$*ERR', 'prefix:='
> . implemented simple typing and runtime type checking
> . added basic multi-method dispatch
> . expanded named argument handling, including Pair and colonpairs
> . added 'Whatever' and 'Capture' classes
> . implemented 'handles' trait verb
> . added 'loop' statement
> . implemented 'given', 'when', 'for', 'while', 'until' statement
> modifiers
> . implemented Hash methods '.keys' and '.values'
> . fixed bug to get '.WHAT' working correctly
> . initial implementation of 'eval'
> - Compilers
> + NQP:
> . created a bootstrapped build, see 'make boot'
> . added 'infix:<', 'infix:<=', 'infix:>', 'infix:>=' relational
> operators
> . added 'postfix:++', 'postfix:--' operators
> + PCT:
> . added methods specifying default behaviors in PAST, reducing repeated
> code
> . improved symbol table lookup
> + PGE:
> . removed deprecated code including: P6Regex, P6Grammar, PAST-pm
> - Miscellaneous
> + notable speedups during compilation and execution of parrot and HLLs
> + pdb (the parrot debugger) can now catch parrot exceptions
> + better detection of glibc and gettext during configuration
> + various bugfixes, code cleanups, deprecations, and coding standard
> fixes
>
>
> Mahalo to all our contributors for making this possible, and our
> sponsors for supporting this project.
>
> Enjoy!
> ~jerry
>
>

Parrot 0.6.1 "Bird of Paradise" Released by jerry gay

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Parrot 0.6.0 "P&P" is released. by Bernhard Schmalhofer

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Parrot 0.5.3 "Way of the Parrot" released! by Patrick R. Michaud

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Parrot 0.5.2 Released by Bob Rogers

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Parrot 0.5.1 "Hatachi" Released! by Jonathan Worthington

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

Parrot 0.5.0 "Caulked Snack" released! by chromatic

From: chromatic Jack had avoided looking into his sons' faces during this Oration, because he
reckoned they'd not wish to be seen with tears streaming down their faces.
But looking up at Jimmy now he saw dry eyes and a quizzical if impatient
phizz. Turning the other way, he saw Danny gazing distractedly at the White
Tower.

...

"Before you embark on a new life overseas, assuming that is your fate," Jack
said, "find Eliza and tell her she is my true love." And then he jerked the
chains loose from the restraining grip of first Jimmy, then Danny. He leaned
forward, pushed off against the rail with both feet, and launched himself
into space above London. His cloak spread in the wind of his flight like the
wings of an eagle, revealing, to anyone who might be gazing up into the sky,
a lining made from cloth-of-gold that glistered in the rays of the setting
sun like the chariot of Apollo. He was on his way down.

-- Neal Stephenson, The System of the World

On behalf of the Parrot team, I'm proud to announce Parrot 0.5.0 "Caulked
Snack." Parrot (http://parrotcode.org/) is a virtual machine aimed at running
all dynamic languages.

Parrot 0.5.0 is available from the CPAN (soon), or follow the download
instructions at http://parrotcode.org/source.html. For those who would like
to develop on Parrot, or help develop Parrot itself, we recommend using
Subversion or SVK on the source code repository to get the latest and best
Parrot code.

Parrot 0.5.0 News:
- Implementation
+ PDD15 (OO) branch merged with trunk; this release contains a working,
tested implementation of the latest OO model
+ Added pop_eh/push_eh_p/count_eh opcodes
+ Add --runcore command line option
+ Add gcdebug runcore to help track down GC bugs
+ minor improvements to IA-32 JIT
- Documentation
+ PDD19 (PIR): updates to macros, .pcc* directives
+ PDD25 (Concurrency): updated
+ PDD26 (AST): draft approved
+ PDD23 (Exceptions): draft approved
+ Copyright cleanups
- Languages/Compilers
+ languages/APL: minor updates, PDD15 conformance
+ languages/dotnet: minor updates
+ languages/lua: minor updates, PDD15 conformance
+ languages/lisp: minor updates
+ languages/perl6: minor updates, PDD15 conformance
+ languages/plumhead: minor updates
+ languages/punie: minor updates, PDD15 conformance
+ languages/nqp: minor updates
+ languages/scheme: many updates, PDD15 conformance, improved tests, use
PMCs instead of primitive registers to represent values
+ languages/tcl: bugfixes, PDD15 conformance
+ languages/WMLScript: minor updates
+ compilers/pirc: updates from PDD19, PDD06
+ compilers/pct: minor updates, PDD15 conformance
+ compilers/pge: PDD15 conformance
+ compilers/tge: PDD15 conformance
- Configuration
+ Improve test coverage
+ Improve reporting when a step fails; allow abort on failure
- Miscellaneous
+ More coding standard conformance, tests, cleanup, speedups,
warnings cleanup
+ Bug cleanup, esp. GC bugs
+ Eliminate .imc extension (use .pir)
+ Simplify some core config steps to not allow interactive prompting
- Removed
+ clear_eh opcode

Thanks to all our contributors for making this possible, and our
sponsors for supporting this project.

Enjoy!

Parrot 0.4.17 Released by Will Coleda

From: Will Coleda On behalf of the Parrot team, I'm proud to announce Parrot 0.4.17
"Two for Finching." Parrot (http://parrotcode.org/) is a virtual
machine aimed
at running all dynamic languages.

Parrot 0.4.17 can be obtained via CPAN (soon), or follow the
download instructions at http://parrotcode.org/source.html.
For those who would like to develop on Parrot, or help develop
Parrot itself, we recommend using Subversion or SVK on the
source code repository to get the latest and best Parrot code.

Parrot 0.4.17 News:
- Implementation
+ Bug fixes (including Coverity IDs 20, 22, 30, 119-122, 124-126,
129-131)
Also various GC, memory, and segfault issues
+ Fix & reenable CGP core
+ Parrot's -r flag now works again (compile to and execute bytecode)
+ Updates to pmc2c & PIR syntaxes
+ Fix Complex PMC
+ Minor performance improvements, especially in PGE
- Documentation
+ PDD02 "Vtables" - superceded by PDD17
+ PDD06 "PASM" - minor updates
+ PDD17 "PMC" - add VTABLE syntax, update core PMC struct, restore
UnionVal
+ PDD19 "PIR" - early review started
+ PDD21 "Namespaces" - cleanup
+ PDD24 "Events" - draft approved
+ PDD25 "Concurrency" - minor updates
+ PDD26 "AST" - draft version begun
+ PIR tutorials updated
- Languages/Compilers
+ Make scheme work with the current calling conventions, other major
work.
+ Updates to m4, lua, compilers/pirc, languages/PIR, dotnet, tcl
- Miscellaneous:
+ make -j functional again
+ Code cleanup (refactoring, optimizations)

Thanks to all our contributors for making this possible, and our
sponsors for supporting this project.

Enjoy!

--
Will "Coke" Coleda
will@coleda.com

Parrot 0.4.16 Released by jerry gay

From: jerry gay On behalf of the Parrot team, I'm proud to announce Parrot 0.4.16, "A
Farewell to Alex." Parrot (http://parrotcode.org/) is a virtual
machine aimed at running all dynamic languages.

Parrot 0.4.16 can be obtained via CPAN (soon), or follow the download
instructions at http://parrotcode.org/source.html. For those who would
like to develop on Parrot, or help develop Parrot itself, we recommend
using Subversion or SVK on the source code repository to get the
latest and best Parrot code.

Parrot 0.4.16 News:
- Implementation:
+ Performed code review on every PMC
+ Modified PMC code generation to use Storable, reducing compile times
+ Added a makefile target to generate test coverage data of C sources
- Languages:
+ NQP: added lists, for loops, operators, comparison and
multiplicative operators
+ Announced Kea-CL, Kea Common Lisp, an ANSI Common Lisp implementation
The repository is available at https://rgrjr.dyndns.org/svn/kea-cl/trunk/
- Documentation
+ PDD17 "PMCs" - draft approved, the design is complete
+ Added more PIR tutorials, see examples/tutorial/00_README.pod
- Miscellaneous:
+ Many bugfixes, enhancements, documentation, and coding standard updates
+ Deprecated PMC constants and other crufty syntax, see DEPRECATED.pod
+ Improved icc compiler compatibility for error line reporting

Thanks to all our contributors for making this possible, and our
sponsors for supporting this project.

Enjoy!
~jerry

Parrot 0.4.15 "Augean Stable" released! by Patrick R. Michaud

From: Patrick R. Michaud On behalf of the Parrot team, I'm proud to announce Parrot 0.4.15
"Augean Stable." Parrot (http://parrotcode.org/) is a virtual
machine aimed at running all dynamic languages.

Parrot 0.4.15 can be obtained via CPAN (soon), or follow the
download instructions at http://parrotcode.org/source.html.
For those who would like to develop on Parrot, or help develop
Parrot itself, we recommend using Subversion or SVK on the
source code repository to get the latest and best Parrot code.

Parrot 0.4.15 News:
- Implementation:
+ Lots of code review, many bugs fixed
+ Many more code cleanups and compiler warning levels
+ Started a new jit engine for 64-bit processors
+ Refactored configure process, with tests and new diagnostic options
+ Added new CodeString PMC for dynamic generation of PIR code
+ More pdd15 support for object metamodel.
- Languages:
+ Added NQP ("Not Quite Perl"), a very lightweight Perl 6-like language
+ Significant improvements and refactors to PCT (Parrot Compiler Toolkit)
+ perl6 passes more spec tests
+ Lua works now with a PGE/TGE/PAST-pm based compiler, lives in one pbc,
and the interpreter has same behavior as original.
- Documentation
+ Added a committers' HOWTO
+ More PIR tutorial examples
+ Added PAUSE guide

Thanks to all our contributors for making this possible, and our
sponsors for supporting this project.

Enjoy!

Parrot 0.4.14 "Now, with Seat Belts!" Released by jerry gay

From: jerry gay On behalf of the Parrot team, I'm proud to announce Parrot 0.4.14
"Now, with Seat Belts!." Parrot (http://parrotcode.org/) is a virtual
machine aimed
at running all dynamic languages.

Parrot 0.4.14 can be obtained via CPAN (soon), or follow the
download instructions at http://parrotcode.org/source.html.
For those who would like to develop on Parrot, or help develop
Parrot itself, we recommend using Subversion or SVK on the
source code repository to get the latest and best Parrot code.

Parrot 0.4.14 News:
- Now, with Seat Belts!
+ added makefile targets for Sun lint, BSD lint, and splint
+ corrected many errors picked up by these tools
+ decorated source code with compiler hints, assertions, and attribute macros
+ automated creation of function declarations to prevent common errors
+ increased compiler warnings levels
+ converted more exceptions to a recoverable form
- Languages:
+ updated Lisp, Lua, Perl 6, tcl, regex, Scheme ("Pheme")
+ Perl 6 now fetches selected tests from pugs, and even passes some
+ PGE modified to handle {*} action subs for top-down and bottom-up parsers,
and to allow grammar subclassing
+ HLLCompiler now has better exception, eval, and exit support
+ Introduced PCT, a refactor of HLLCompiler and PAST-pm
- Design:
+ PDD15 "Objects" - details added to 'new' and 'getattribute' opcodes
+ PDD17 "PMCs" - notes added on instantiation and dynamic extention in PIR
- Documentation:
+ added Parrot-related text from "Perl6 and Parrot Essentials" book,
tutorial examples from "Learning PIR" talk, and PDD15 metamodel diagrams
- Implementation:
+ reduced memory footprint when using named registers
+ implemented overridding of vtable methods by PDD15 classes
+ improved PDD15 support for 'new', 'instantiate', and others
+ added makefile targets to ease core and HLL makefile regeneration
+ updated parrot debugger, "pdb", to allow loading of commands from file
- Misc:
+ many bugfixes, enhancements, documentation, and coding standard updates

Thanks to all our contributors for making this possible, and our
sponsors for supporting this project.

Enjoy!
~jerry

ANNOUNCE - Muldis::DB v0.0.0 released, in p5+p6 by Darren Duncan

From: Darren Duncan All,

I am pleased to announce the release of Muldis::DB version 0.0.0 for
Perl 5 on CPAN. You can see it now, with nicely HTMLized
documentation, at:

http://search.cpan.org/dist/Muldis-DB/

This is the first formal release of Muldis::DB, which began
development last year (under the temporary name of "QDRDBMS") as a
rewrite of my previously released but never functional "Rosetta"
project.

Muldis::DB is implemented as a library or open-ended framework for
use by larger frameworks or applications, and is a DBMS resource to
them. This project comes in twin Perl 5 and Perl 6 versions which
are feature identical; the former is for use in today's systems, and
the latter is for longer term use; if there is a case for doing so,
some parts may be moved to other languages later such as C.

The equivalent Perl 6 version of Muldis::DB to the CPAN release is
bundled with the "Pugs" ( http://www.pugscode.org/ ) implementation
of Perl 6, and its release to CPAN follows Pugs' schedule.
Meanwhile, you can see it in the ext/Muldis-DB/ sub-directory of
Pugs' version control.

With both initial versions, Muldis::DB has zero external dependencies
but for Perl/Pugs itself and what is bundled with it; this should
ease installation.

If you want to read all the Muldis::DB documentation that exists now,
I recommend doing so in this order:

1. http://search.cpan.org/src/DUNCAND/Muldis-DB-0.0.0/README
2. (opt) http://search.cpan.org/src/DUNCAND/Muldis-DB-0.0.0/Changes
3. http://search.cpan.org/dist/Muldis-DB/lib/Muldis/DB.pm
4. (opt) http://search.cpan.org/dist/Muldis-DB/lib/Muldis/DB/Copying.pod
5. http://search.cpan.org/dist/Muldis-DB/lib/Muldis/DB/AST.pm
6. http://search.cpan.org/dist/Muldis-DB/lib/Muldis/DB/Language.pod
7. (opt) http://search.cpan.org/dist/Muldis-DB/lib/Muldis/DB/Validator.pm
8. (opt)
http://search.cpan.org/dist/Muldis-DB/lib/Muldis/DB/Engine/Example.pm
9. http://search.cpan.org/dist/Muldis-DB/lib/Muldis/DB/SeeAlso.pod
10. (opt) http://search.cpan.org/src/DUNCAND/Muldis-DB-0.0.0/TODO
11. (opt) anything else

The "README" file above includes the urls of the public version
control systems that host the development of Muldis::DB. The Perl 5
version is hosted in a public GIT repository hosted by Sam "Mugwump"
Vilain, for which I am thankful. The Perl 6 version is hosted in the
same public Subversion repository as Pugs.

Muldis::DB defines and implements a computationally complete
programming language with integrated relational database
functionality. It is an open-ended framework with a separate
programmatic API and pluggable implementing engines, one of which is
bundled with the core so it works out of the box. The framework is
intentionally similar to the DBI framework in organization.

Muldis::DB implements a D language (named "Muldis D") as defined by
Hugh Darwen and Chris Date, and presents a superior interface for
working with the relational model of data, contrasted with SQL.
Anyone familiar with SQL or the relational model, or just programming
in general, should find it easy to learn.

One general strength of Muldis D (truly relational) over SQL
(quasi-relational) is that there is next to no object-relational
impedence mismatch since the true relational model can natively
represent user-defined complex data type structures, constraints, and
operators; there is no need for "object-relational mappers", except
for their role in tighter host language integration.

Another general strength of Muldis D is that any arbitrary business
rules can be cleanly expressed as constraints on a database, so it is
easier to trust a database to ensure its data state or transitions
are always conformant to business rules, without hoisting such
integrity matters to the application, where it is a lot more
difficult to do it reliably.

Since a D language can represent anything, a SQL database and/or SQL
features can also be emulated over one, which helps with legacy
migration; similarly, as much as is possible, existing SQL engines
can be used to implement Muldis DB over top of, in which case Muldis
DB acts as a SQL generator to access pre-existing databases in new
applications.

Conceptually speaking, Muldis::DB is either a replacement for DBI, or
a replacement for any SQL DBMS itself, depending on how you use it;
out of the box it replaces both, but plug-in bridges can be made that
bridge to either.

Taking the Perl 6 development process as a model, Muldis D has an
authoritative human-readable design document (the Language.pod file),
which is analagous to the Perl 6 Synopsis documents, and one or more
separate conforming implementations (the other files). It is very
feasible that Muldis D could have multiple implementations, over any
languages, besides the 2 (Perl 5 and Perl 6) that exist now.

More information is in the Muldis::DB documentation.

I would probably like to say that Muldis::DB would be a panacea to
all your database ills, but instead I see it more like Muldis::DB
should provide a more solid skeleton on which to build the solutions
to all your database ills than are any other solutions. I will
contribute to the solutions as best I can.

Several public email-based forums for Muldis::DB now exist (with
public archives), all of which you can reach via
http://mm.DarrenDuncan.net/mailman/listinfo (note that Mailman's
monthly password reminder email is turned off). There are currently
3, for 'announce', 'devel', 'users', modelled after the main lists
for DBI.

I invite you to join one or more of these lists (if you haven't
already), to better facilitate discussion, support, and group
development.

As of this version-zero release, Muldis-DB is officially in pre-alpha
development status. A lot of documentation and functionality is
present, but a lot isn't. What is mostly done is the higher level
documentation plus an alpha-quality but fundamentally stable public
API implementation. What is mostly undone is the reference engine
implementation, the test suite, and documentation of the API details.
What is already present should be sufficient to begin study of
Muldis-DB such that it can actually be put to use within the next few
weeks or months as Muldis-DB is fleshed out. Also, it should be
possible now to start writing code that uses or extends it.

To conclude, I would be very greatful for any and all kinds of
assistence with the Muldis::DB framework that you can provide, which
includes building or sponsoring features and extensions.

Probably the very first kind of help that I could use the most is
with writing cookbook-type examples of using Muldis::DB and/or FAQ
documents. This both helps people learn how to use it in an
effective manner, and also helps flesh out deficiencies in
Muldis::DB. Both the "how do I define this kind of database" variety
and "how do I express this SQL in Muldis D" variety are helpful.
These examples would be released as a Muldis::DB::Cookbook
distribution.

I also welcome general feedback, constructive criticism, suggestions,
corrections, and questions.

Note that I prefer any responses to happen on-list, or that you sign
up to and post to a muldis-db list (only list subscribers may post),
so that that and any replies can be for the group's benefit, and to
save me from repeating the same answers ad nauseum. Unless the
response is not suitable for public discourse, in which case, sure,
go private email; ditto if you're not sure about appropriateness.

Thank you in advance.

-- Darren Duncan

Parrot 0.4.13 "Clifton" Released by Allison Randal

From: Allison Randal On behalf of the Parrot team, I'm proud to announce Parrot 0.4.13
"Clifton." Parrot (http://parrotcode.org/) is a virtual machine aimed
at running all dynamic languages.

Parrot 0.4.13 can be obtained via CPAN (soon), or follow the
download instructions at http://parrotcode.org/source.html.

Parrot 0.4.13 News:
- Languages:
+ Updated Lisp, Lua, PHP ("Plumhead"), Python ("Pynie"), ABC,
WMLScript, and Tcl ("ParTcl").
+ Perl 6 passes all of the sanity tests.
+ PGE supports latest Perl 6 grammar syntax. Perl 6, Python
("Pynie"), and ABC parsers updated to match.
+ Updated PHP ("Plumhead") to Antlr 3.0.
+ Lua added the beginnings of a PGE/TGE based compiler (not yet
replacing the Perl/Yapp compiler).
+ Lisp updated for current features, added a test suite.
- Core Implementation:
+ Filled in features and backward compatibility for PDD 15 objects.
New object metamodel passes 85% of old test suite.
+ GCC API symbols are visible externally only when explicitly exported.
+ Added generated GCC compiler attributes to increase warnings, and
cleaned up resulting warnings.
+ Code cleanup efforts and fixed memory leaks by the cage cleaners,
resulting in notable speed increases.
- Misc:
+ Updated Parrot distribution to Artistic License 2.0, from dual
Artistic 1/GPL license.
+ SDL examples brought up-to-date with current features.

For those who would like to develop on Parrot, or help develop
Parrot itself, we recommend using Subversion or SVK on the
source code repository to get the latest and best Parrot code.
The next scheduled release is July 17, 2007.

Thanks to all our contributors for making this possible, and our
sponsors for supporting this project.

Enjoy!
Allison

Parrot 0.4.12 "Of the Caribbean" Released by chromatic

From: chromatic As I sailed into Shadow, a white bird of my desire came and sat upon my
right shoulder, and I wrote a note and tied it to its leg and sent it on
its way. The note said, "I am coming," and it was signed by me.

...

The sun hung low on my left and the winds bellied the sails and propelled
me onward. I cursed once and then laughed.

I was free and I was running, but I had made it this far. I now had the
chance I'd wanted all along.

A black bird of my desire came and sat on my left shoulder, and I wrote a
note and tied it to its leg and sent it off into the west.

It said, "Eric--I'll be back," and it was signed: "Corwin, Lord of Amber."

A demon wind propelled me east of the sun.

-- Nine Princes in Amber, Roger Zelazny

On behalf of the Parrot team, I'm proud to announce Parrot 0.4.12 "Of the
Caribbean." Parrot (http://parrotcode.org/) is a virtual machine aimed at
running all dynamic languages.

Parrot 0.4.12 can be obtained via CPAN (soon), or follow the
download instructions at http://parrotcode.org/source.html.
For those who would like to develop on Parrot, or help develop
Parrot itself, we recommend using Subversion or SVK on the
source code repository to get the latest and best Parrot code.

The next release will take place on 19 June 2007.

Parrot 0.4.12 News:
- Build:
+ even more refactorings and improvements in configuration system
+ improved tests and documentation for configuration system
- Languages:
+ Updated abc, PHP ("Plumhead"), Lua, Tcl
+ Reclaimed Lisp
- Design:
+ new PMC PDD draft partially completed
- Implementation:
+ continued implementation of PDD 15 (Objects)
+ minor garbage collector and memory management improvements
+ several memory leaks resolved
+ extended support for compilers other than GCC
+ improved C++ compiler compatibility
+ enhanced support for Solaris, non-MSVC Win32, and other platforms

Thanks to all our contributors for making this possible, and our
sponsors for supporting this project.

Enjoy!

Weekly Perl 6 mailing list summary for 08-14 April, 2007 by Ann Barcomb

From: Ann Barcomb This week on the Perl 6 mailing lists

"The current pugs implementation is just translating to the old form
underneath, so it's not surprising it's a bit off. That's the sort of
thing that happens when the language designer gives the language
implementor whiplash. However, I rather suspect the interpersonal
metaphorical meaning was lost on the physicist/comic who decided that
the 3rd derivative of position should be called 'jerk'. :)"

-- Larry Wall, in 'What should file test operators return?
<http://xrl.us/vrq4>'

Language

Re: Synopsis 26 <http://xrl.us/vrny>

Earlier, Thom Boyer responded to Damian Conway's post from November
which thanked people for offering feedback on the first draft. Thom
said that he had been unable to find the XHTML version of S26 and
wondered if it was available.

Jerry Gay replied that there wasn't a pod parser available yet. Damian
responded with the requested file, and said he still hoped to finish
the Pod6 parser but he wasn't sure when he would have time.

Ã†var ArnfjÃ¶rÃ° Bjarmason asked if Damian could post the code he
currently has, so that others could work on it.

This week, Damian responded by uploading `Perl6::Perldoc` to CPAN.
Ã†var and Damian worked to improve the test suite.

Does =$*ARGS work? <http://xrl.us/vrq2>

brian d foy is working on 'Learning Perl 6' and had some questions
about for the I/O chapter. He saw that `while(<>){...}` became
`for=$*ARGS{...}` but noted this didn't work in Pugs. He wondered if
it was a documentation error or an implementation error.

Moritz Lenz mused about why it wasn't `=@*ARGS` but couldn't answer
brian's question. brian replied that `$*ARGS` is a filehandle, not a
list of files. David Vergin remarked that there was a typo in S28 and
corrected it.

using <sp> space in character classes <http://xrl.us/vrq3>

Brad Bowman noted that S05 lists `sp` under named assertions but
doesn't explicitly mention it in the character class section. He
wondered if it could be used in that way. Larry Wall replied that it
could be, but it needs to be generalized.

What should file test operators return? <http://xrl.us/vrq4>

brian d foy noted that file test operators return false or the
filename, when he would have expected a true. He wanted to update S16
to clarify the situation. Later Larry Wall said he would attempt to
clarify S03.

Moritz Lenz and Damian Conway had some suggestions for the syntax in
brian's code. Juerd Waalboer and Larry Wall also joined the
conversation on the subject of giving printf a boolean output
template. They found it too specific.

Brandon S. Allbery noted that Pugs does not implemented the
specification as it is documented. He thought junction types aren't
completely ready.

John Macdonald and Mark J. Reed also contributed to the thread.

Parrot Porters

remove_method vtable? <http://xrl.us/vrq8>

Jonathan Worthington noted that PDD 15 describes both add and remove
vtable methods for attributes, parents and roles, but only
`add_method` exists for methods. He wondered if `remove_method` should
also exist.

Allison Randal went ahead and added it, after a bit of internal
debate.

[perl #42332] [TODO]: Eliminate t/tools/ops2pmutils/testlib/Capture.pm
<http://xrl.us/vrq9>

Ticket [perl #42332] <http://xrl.us/vtwx>, by James Keenan, asked for
some subroutines to be moved into `lib/Parrot`. This was fixed in
r18040.

[perl #42334] PGE compiler faults out "set_integer_keyed() not
implemented in class 'Undef'" <http://xrl.us/vrra>

In ticket [perl #42334] <http://xrl.us/vtwy>, Jim McKim reported a
fault when compiling an example grammar. Patrick R. Michaud replied
that there was a problem with the cut operator not being applied to a
particular term. He saw it as a request to improve the error message
when a cut token is applied to a null term.

inspect and inspect_str from PIR <http://xrl.us/vrrb>

Jonathan Worthington reported that he had implemented the
`inspect_str` and `inspect` vtable methods for the Class PMC. He had a
question about the implementation. Allison Randal replied that she had
added an opcode `inspect` and a method `inspect` on roles and classes
to the PDD.

[perl #42336] segfault happens with 'parrot --pre-process-only'
<http://xrl.us/vrrc>

Jim McKim reported a segmentation fault when Parrot is invoked with
`-E`. This was ticket [perl #42336] <http://xrl.us/vtwz>.

[perl #42337] [PATCH]: Configure.pl: Refactor list of steps into
Parrot::Configure::Step::List <http://xrl.us/vrrd>

James Keenan created ticket [perl #42337] <http://xrl.us/vtw2> to
paste a patch which moved some of `Configure.pl`'s functionality
(listing steps in the configuration process) to a module. This was
applied as r18157 and r18158.

[perl #42339] [CAGE] Test Valid and Invalid Parrot Flags
<http://xrl.us/vrre>

chromatic reported that there are no tests for Parrot's response to
invalid command-line arguments. He suggested adding some in ticket
[perl #42339] <http://xrl.us/vtw3>. James Keenan said that he had
recently added a test of this sort. chromatic clarified: he meant
command-line arguments to the Parrot executable, not to
`Configure.pl`.

[perl #42349] [TODO] dotnet - fix various ops for 64 bit architectures
<http://xrl.us/vrrf>

Paul Cochrane made a note that some ops need to be fixed for 64-bit
architectures in ticket [perl #42349] <http://xrl.us/vtw4>.

[perl #42352] [TODO] fix or remove strange TODO item in hash() op
<http://xrl.us/vrrh>

In ticket [perl #42352] <http://xrl.us/vtw5>, Paul Cochrane noted that
`src/ops/pmc.ops` has a todo item marked 'XXX' which lacks an
explanation of what the problem is.

[perl #42359] [PATCH] Assorted cleanups - part III (Intel C++)
<http://xrl.us/vrrn>

Steve Peters submitted a patch in ticket [perl #42359]
<http://xrl.us/vtw6>. This cleans up some warnings when compiling
Parrot with Intel C++. chromatic got some warnings when running the
patch. He made some changes to the patch and sent it in. Steve said he
would need to look into it further.

[perl #42360] [TODO]: Unit tests for Parrot::Revision
<http://xrl.us/vrro>

In ticket [perl #42360] <http://xrl.us/vtw7>, James Keenan reported
that `lib/Parrot/Revision.pm` has no unit tests.

[perl #42362] [TODO]: Unit tests for modules used during configuration
<http://xrl.us/vrrp>

James Keenan indicated that there is a considerable amount of code in
the `config/` tree which isn't covered by tests. He requested some
unit tests in ticket [perl #42362] <http://xrl.us/vtw8>.

[perl #42371] [TODO] check if object.can(method) in callmethodcc() op
<http://xrl.us/vrrr>

Paul Cochrane created ticket [perl #42371] <http://xrl.us/vtw9> for a
todo item in `src/ops/objects.ops`. Jonathan Worthington thought that
it was unnecessary and suggested removing the comment. Allison Randal
agreed.

JSON won't make test <http://xrl.us/vrr3>

Klaas-Jan Stol submited a patch which alters `json.in` to make it pass
`nmake test`. It was committed as r18063.

[perl #42383] [TODO] imcc - if frame->s.file was allocated free it
<http://xrl.us/vrr5>

Paul Cochrane created a number of RT tickets based upon 'todo'
messages in the code source:

* `compilers/imcc/imcc.l` - [perl #42382] <http://xrl.us/vtxa>,
[perl #42383] <http://xrl.us/vtxb>, [perl #42384] <http://xrl.us/vtxc>
* `compilers/imcc/imcc.y` - [perl #42385] <http://xrl.us/vtxd>
* `languages/regex/lib/Regex/Grammar.y` - [perl #42393] <http://xrl.us/vtxe>
* `src/opts/pics.ops` - [perl #42353] <http://xrl.us/vtxf>,
[perl #42354] <http://xrl.us/vtxg>, [perl #42355] <http://xrl.us/vtxi>,
[perl #42356] <http://xrl.us/vtxj>
* `src/ops/pmc.ops` - [perl #42350] <http://xrl.us/vtxk>
* `src/ops/stack.ops` - [perl #42369] <http://xrl.us/vtxm>
* `src/ops/object.ops` - [perl #2372] <http://xrl.us/vtxn>
* `src/ops/io.ops` - [perl #42373] <http://xrl.us/vtxo>,
[perl #42374] <http://xrl.us/vtxp>
* `src/ops/experimental.ops` - [perl #42375] <http://xrl.us/vtxq>,
[perl #42376] <http://xrl.us/vtxr>
* `src/ops/debug.ops` - [perl #42377] <http://xrl.us/vtxs>,
[perl #42378] <http://xrl.us/vtxt>, [perl #42379] <http://xrl.us/vtxv>
* `src/ops/core.ops` - [perl #42381] <http://xrl.us/vtxw>

Parrot Bug Summary <http://xrl.us/vrr8>

Jerry Gay remarked that the Parrot ticket queue is growing every week;
there are currently more than 500 tickets, many of them unclassified
by type. He asked for volunteers to help make the queue more
manageable.

In another thread, which was part of ticket [perl #41858]
<http://xrl.us/vk9x>, Mark Glines said he had taken on the task of
making a reasonable set of rules for splint. He ran into several
problems. Paul Cochrane tried to answer the questions as best as he
could.

The great "class" variable renaming <http://xrl.us/vrsa>

Steve Peters has had problems with the use of 'class' as a variable
name in `struct_vtable`. This needs to change for his compatibility
work to progress further. He suggested `pmc_class` as an alternative.
Klaas-Jan Stol remarked that he thought the word `namespace` should
also be used carefully.

Class/Role namespace links <http://xrl.us/vrsb>

Jonathan Worthington began working on the association between classes
and namespaces specified in PDD15. He had some questions, which
Allison Randal answered.

[perl #42406] [PATCH] improper null testing in Parrot_instantiate_object
<http://xrl.us/vrsd>

Alek Storm reported in ticket [perl #42406] <http://xrl.us/vtxx> that
he had a patch to fix a bug in which the `init` vtable method override
is called instead of `init_pmc`. After one week he wondered why no
action had been taken.

[svn:parrot-pdd] r18096 - trunk/docs/pdds <http://xrl.us/vrse>

A commit by Allison Randal added opcodes and methods for 'inspect' to
Objects PDD.

[perl #42407] [PATCH] refactor vtable overriding, delegate.c generation
<http://xrl.us/vrsf>

In ticket [perl #42407] <http://xrl.us/vtxy>, Alek Storm submitted a
patch which refactors and optimizes methods involved in vtable
overriding.

[perl #42411] [PARTIALPATCH] Building a 32bit parrot on freebsd under
amd64 fails. <http://xrl.us/vrsj>

Joshua Isom created ticket [perl #42411] <http://xrl.us/vtxz> to
submit a patch which allows Parrot to be configured for 32-bits on a
64-bit machine. This does not completely fix the problem.

[perl #42412] Configure.pl things =no is true <http://xrl.us/vrsk>

Joshua Isom thought that configure should treat `--foo=no` is false
instead of true. He reported this in ticket [perl #42412]
<http://xrl.us/vtx2>.

Severe error <http://xrl.us/vrsm>

Christian Aperghis-Tramoni reported an error he saw when compiling
Parrot on Linux.

call for help: pdd15 implementation <http://xrl.us/vrsn>

Jerry Gay highlighted the implementation of PDD 15 as a key goal for
the 0.4.11 release (which has since taken place). He suggested that
people could help by reviewing docs/code/tests.

modifying classes after they're instantiated <http://xrl.us/vrso>

Allison Randal began by remarking that Jonathan Worthington had raised
the question of the strategy for safely changing classes which already
have instantiated objects. She offered a few alternatives. Both
Leopold Toetsch and Allison thought her fourth suggestion was the best
one. Alek Storm liked it too, but had another option.

There was some further discussion about the best implementation, with
Bob Rogers also joining in.

[perl #42427] [CAGE] cleanup perlcritic errors <http://xrl.us/vrsp>

Jerry Gay noted that many tests fail in `t/codingstd/perlcritic.t`. In
ticket [perl #42427] <http://xrl.us/vtx3> he expressed his hope that
these things could be addressed before the next release.

[perl #42429] [BUG]: docs/submission.pod: Confusing use of term 'test'
<http://xrl.us/vrsq>

James Keenan reported that he found instances of the word 'test'
confusing in `docs/submission.pod`. He asked for clarification in
ticket [perl #42429] <http://xrl.us/vtx4>.

[perl #42430] [PATCH] make :vtable imply :method <http://xrl.us/vrsr>

Alek Storm created ticket [perl #42430] <http://xrl.us/vtx5>. This
contained a patch which makes the `:vtable` sub pragma imply the
`:method` pragma. What followed was a long discussion on why someone
might want to set `:vtable` without setting `:method`. Alek,
chromatic, and Allison Randal contributed to this deeply nested
thread.

[ANNOUNCE] Hackathon Toronto, Saturday April 28 <http://xrl.us/vrss>

James Keenan announced a spur-of-the moment hackathon in Toronto. It
was held on Saturday, April 28th.

[Proposed PATCH] Change libparrot Names and Locations
<http://xrl.us/vrst>

Ron Blaschke proposed a patch to change the libparrot names and
locations for Windows, which he included in his message. Jerry Gay
added his comments, and noted that it is nice if tests are included.
There was some further discussion on how to improve the patch.

Limiting Exported Symbols on GCC <http://xrl.us/vrsu>

Ron Blaschke kicked off this thread by wondering if there was a
feature to limit exported symbols with GCC. Steve Peters was concerned
about adding GCC features to Parrot, as this could break compatibility
with other compilers.

Nicholas Clark remarked that Perl 5 has been successful with using
flag data in `embed.fnc` and generating annotated headers
automatically. Jerry Gay agreed with Nicholas and suggested that if a
function isn't meant for public consumption, it shouldn't be
available. Joshua Isom suggested that people can use whatever
functions they want, but if they aren't documented, they are likely to
be broken in future releases.

Joshua Isom was concerned that it had been a long time since there had
been failure-free smokes, and people were becoming accustomed to test
failures.

Joshua Hoblitt and nahoo82 also contributed to the thread.

[perl #42474] [PATCH] Remove dangling enum commas <http://xrl.us/vrsv>

Steve Peters submitted a patch in ticket [perl #42474]
<http://xrl.us/vtx6> which removes dangling commas in enum lists. It
was applied as r18175.

[perl #42475] [PATCH] Change asm() to __asm__() <http://xrl.us/vrsw>

In ticket [perl #42475] <http://xrl.us/vtx7>, Steve Peters supplied a
patch to help Parrot compile with `-ansi -pedantic`. It was applied as
r18176.

Bug Day: Saturday, 14 April 2007 <http://xrl.us/vrsx>

Matt Diephouse announced that Saturday 14 April was a bug day to
prepare for the 0.4.11 release. This release was made on 17 April.

[perl #41894] segfault happens when invoking poll op
<http://xrl.us/vrsy>

Earlier, Jim McKim created ticket [perl #41894] <http://xrl.us/vtcf>
to report a segmentation fault.

Will Coleda offered a patch, which Nuno Carvalho applied. Jonathan
Worthington reported that the patch broke the build for Win32. He
committed a correction in r18187. Joshua Isom suggested an alternative
way of addressing the problem.

Compiler

request for a few Pugs parser updates <http://xrl.us/vrsz>

Darren Duncan asked for a few features to be added to the Pugs parser.
There were three requests in total, which Darren hoped could be easily
implemented by the right people.

pugs: aborting smoke tests <http://xrl.us/vrs2>

Moritz Lenz reported being unable to do a `make smoke` for the last
few weeks. Larry Wall thought that the problem looked like a resource
exhaustion or lockup, possibly related to embedded/tunneled Perl 5. He
asked for more output, which Moritz supplied. Agent Zhang pointed to a
post by chromatic which he thought might relate to the solution.

interactive pugs fails in safe mode <http://xrl.us/vrs3>

Wim Vanderbauwhede reported failures with interactive Pugs when
`PUGS_SAFEMODE` is true.

Acknowledgements

This summary was prepared using Mail::Summary::Tools
<http://xrl.us/qvno>, available on CPAN.

If you appreciate Perl, consider contributing to the Perl Foundation
<http://donate.perlfoundation.org> to help support the development of
Perl.

Thank you to everyone who has pointed out mistakes and offered
suggestions for improving this series. Comments on this summary can be
sent to Ann Barcomb, <kudra@domaintje.com>.

Distribution

This summary can be found in the following places:

* use.perl.org <http://use.perl.org/>
* The Pugs blog <http://pugs.blogs.com/>
* The perl6-announce mailing list <http://xrl.us/qycj>
* ONLamp <http://www.oreillynet.com/onlamp/blog/>

See Also

* Perl Foundation activities <http://blog.perlfoundation.org>
* Perl 6 Development <http://dev.perl.org/perl6>
* Planet Perl Six <http://planetsix.perlfoundation.org/>