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All the Perl that's Practical to Extract and Report

Parrot 0.4.14 Released!

posted by brian_d_foy on 2007.07.19 8:39   Printer-friendly
particle writes "On behalf of the Parrot team, I'm proud to announce Parrot 0.4.14 "Now, with Seat Belts!." Parrot 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. For those who would like to develop on Parrot, or help develop Parrot itself, we recommend using Subversion or SVK on our 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 dubugger, "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.

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