Parrot の履歴(No.6)

The Vision for 1.0 | Parrot VM
12/03/2008: [Parrot] Parrot 1.0は来年3月にリリースされる
Parrotのバージョンが上がってきた。いよいよ、Perl 6がやってくるかもしれない。少しずつ理解するための準備を進めよう。(2008-10-26: jscripter)

ドキュメンテーションの項にBOOKの項目がある。新しい本が出るのかも・・・

Parrot 0.9.0 News: Journal of chromatic (983) Wednesday January 21, 2009 12:46 PM: Parrot 0.9.0 "From Outer Space" Released

Implementation
1. Implemented bytecode annotations
2. Role composition is now aware of multi-subs
3. Unbuffered IO PMCs now autopromote when buffering is necessary
4. Installation parrot binary and libparrot shared library now supported
5. Class registry now respects HLLs
Compilers
1. IMCC
  - removed keyed string indexing, e.g. $S0[1].
  - removed slice syntax, e.g. $P0[1..2]
  - removed .namespace /.endnamespace pair
  - fixed 'new $P0, [classname]' syntax
2. PIRC
  - refactoring of various data structures
  - various bug fixes and updates
  - complete bytecode generation
  - add '-x' commandline option to run compiled code
3. PCT
  - add 'hll' and 'subid' attributes to PAST::Block
  - refactor loop handling code to handle last/redo/next
  - add asttype('stmts') and asttype('null')
  - improve "scope not found" error message
  - allow PAST::Val nodes to contain block references
4. PGE
  - add "skipkey" option to PGE::OPTable
  - allow spaces before modifiers in regexes
  - add '(' ~ ')' goal matching syntax
  - skip creating a class/grammar if it already exists
  - Languages
5. Rakudo
  - improved error mesages in multi dispatch
  - implemented clone method for all objects
  - implemented MAIN sub
  - Unicode versions of infix hyper operators
  - refactored IO.readline
  - basic support for Inf and NaN
  - list and array slices with whatever star
  - hash slices
  - implemented last and redo
  - pointy blocks as terms
  - refactored variable and parameter passing
  - improved assignment semantics
  - improved parsing of type names and subs
  - mostly implemented parametric roles
  - separate types for blocks, subs and methods
  - basic support for submethods
  - implemented Junction autothreading of user code (not builtins yet)
  - eval supports :lang attribute
  - proto makes other subs in scope multis, including in role composition
6. Befunge
  - back to working state
  - ported to pir
7. Pipp
  - add support for predefined constant __CLASS__ and __METHOD__
  - add initial support for static members
  - add support for namespaced constants
  - constants are now handled as package vars
  - variables are now lexical variables
  - add support for superglobals in functions
  - Call the class __constructor when there is one
  - added incomplete support for closures
  - removed support for the alternative parsing strategies
  - added support for 'elsif'
  - added support for 'do-while'
8. HQ9+
  - left the nest and is now at https://github.com/bschmalhofer/hq9plus/
9. Eclectus
  - left the nest and is now at http://github.com/bschmalhofer/eclectus/
10. m4
  - left the nest and is now at http://github.com/bschmalhofer/m4/
11. Lua:
  - add a minimalist user back trace
12. PIR
  - "does" and "morph" VTABLE interfaces are now overridable from PIR
  - Miscellaneous
13. Infrastructure
  - 'make smoke' now generates Smolder reports sent to http://smolder.plusthree.com/app/public_projects/smoke_reports/8
14. Improved const and null correctness for C function parameters
15. Sped up STRING manipulation (append, chop), improving PGE about 30%
16. BOOK
  - Added sections about Classes, OO programming, and methods.
  - Added information about Annotations, Exceptions, and Handlers
17. STM
  - Removed non-functional STM subsystem

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