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Parrot 0.8.0, "Pareto principle" released!

posted by grinder on 2008.10.22 16:32   Printer-friendly
particle writes "On behalf of the Parrot team, I'm proud to announce Parrot 0.8.0
"Pareto Principle." Parrot ( is a virtual machine aimed
at running all dynamic languages.

Parrot 0.8.0 is available via CPAN (soon), or follow the download
instructions at 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 0.8.0 News:
- Implementation
    + float precision expanded to 15 significant digits from 6
    + large integers autopromoted in PIR so as not to lose precision
    + improved precision of complex square root
    + exception handlers can register types of exceptions they catch
- Languages
    + Cardinal (Ruby)
        implemented gather, take, and yield builtins
        Range, Time, Math, GC, Kernel classes
        many more tests
        added a new committer
    + Markdown : new lightweight markup language
        start implementation with PCT/NQP
    + partcl (Tcl 8.5.4)
        Moved to its own repository:
    + Rakudo (Perl 6)
        split() works with regexes
        implemented Str.comb
        ord() and chr() builtins
        improved parsing of literal numbers
        support for hyphens and dashes in identifiers
        next() on for-loops
        fixed floating point constant precision
        improved namespace handling, closer to model
        support for exporting symbols
- Compilers
    + P6object
        now generates classes in nested namespaces instead of :: names
        supports class creation in caller's HLL namespace
    + PCT / PGE
        now using true nested namespaces instead of :: names
        cleaned up HLLCompiler interactive prompts and readline mode
        updated to use typed exception handler registration
        added initial support for loop control exceptions
    + PIRC
        fixed Heredoc preprocessor
        cleaned up Macro preprocessor
        many code clean-ups, warning fixes and consting
        updated Makefile for easier compilation
    + IMCC
        Added .tailcall syntax to replace .return in tailcall context
- Examples
    + pirric (BASIC)
        an old style line numbered Basic interpreter able to use parrot objects
        example connecting to mysql via nci
        example using classes to write and run an embedded Basic program
- Documentation
    + Book
        Added chapters for PCT, PMCs, and Opcodes/Runcores
        Expanded and improved formatting in various chapters
        Renumbered chapters

Many thanks to all our contributors for making this possible, and our sponsors
for supporting this project. Our next scheduled release is 18 Nov 2008.

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