5 + garbage collectable contexts
10 - Realized deprecations
12 + The following tests were translated from Perl to PIR :
13 t/pmc/bigint.t, t/compilers/pge/04-compile.t, t/compilers/pge/02-match.t,
14 t/compilers/json/from_parrot.t, t/library/protoobject.t, t/library/uuid.t,
15 t/library/md5.t, t/library/mt19937ar.t
18 + A version of pprof2cg was written in NQP
23 + The FileHandle PMC now exposes the exit code of child process that was run as pipe.
24 + Experimental support for overriding VTABLE invoke in PIR objects was added.
25 + The method 'type' was added to the PackfileAnnotations PMC.
26 + The internals of the parrot calling conventions, PCC, were reworked.
27 All call paths now use a CallSignature object for passing arguments and return values.
28 + The new API-function 'Parrot_ext_call' was added for calling into C-land.
29 + The fixed-size allocator was improved.
30 + The files installed by 'make install-dev' are now covered by 'make install' as well.
31 + The experimental ops 'fetch' and 'vivify' were added.
32 + The -I option to the command 'parrot' now prepends items to the search path.
33 + The Context struct was substituted with auto attributes (context_auto_attrs branch).
34 + Use the osname determined in auto::arch in subsequent configuration steps (convert_OSNAME branch).
35 + Eliminated dependence on Perl 5 '%Config' in auto::format (auto_format_no_Config branch).
36 + MultiSub PMCs now stringify to the name of their first candidate,
37 instead of the number of candidates.
38 + The platform detection at the start of the configuration process was improved.
39 + The 'lineof' method on CodeString objects now precomputes line number information
40 to be more efficient on variable-width encoded strings.
41 + P6object now supports .WHO and .WHERE methods on protoobjects.
43 + A shiny new self-hosting implementation of NQP has been added in ext/nqp-rx.
44 - New NQP available as nqp-rx.pbc or parrot-nqp fakecutable.
45 - NQP includes direct support for grammars and regexes, including protoregexes.
46 - NQP has a new PAST-based regex engine (intended to replace PGE).
47 - Regexes may contain code assertions, parameters, lexical declarations, and more.
48 - Double-quoted strings now interpolate scalar variables and closures.
49 - Subroutine declarations are now lexical by default.
51 - PAST::Block now supports an 'nsentry' attribute.
52 - PAST::Var allows 'contextual' scope.
53 - Attribute bindings now return the bound value.
55 + Fixes for the port of Parrot to RTEMS were applied. Yay, first port to a real time OS!
56 + On NetBSD, shared libs are now used.
58 + Use the the fixed-sized allocator in the Context and the CallSignature PMC.
59 + Many small speed improvements.
61 + MT19937, the Mersenne twisted pseudorandom number generator, is now hosted on github and
62 will be removed from the Parrot core. (eligible in 2.1)
63 + The 'Parrot_call_*' functions for invoking a sub/method object from C are
64 deprecated. They are replaced by 'Parrot_ext_call'. (eligible in 2.1)
65 + All bitwise VTABLE functions are deprecated. (eligible in 2.1)
66 + All bitwise ops will become dynops. (eligible in 2.1)
67 - Realized deprecations
68 + The slice VTABLE entry was removed.
69 + The last traces of the 'malloc' garbage collector were removed.
70 + Parrot_pcc_constants() was renamed to Parrot_pcc_get_constants().
71 + The deprecated functions from the Embedding/Extension interface were removed.
72 + The library YAML/Parser/Syck.pir was removed.
73 + The VTABLE function instantiate_str() was removed.
74 + Building of parrot_nqp was removed.
76 + The test coverage of the time-related ops was much improved.
77 + New testing functions in Test::More: lives_ok() and dies_ok().
78 + The Perl 5 based test scripts t/op/bitwise.t, t/op/comp.t, t/op/inf_nan.t,
79 t/op/literal.t, t/op/number.t, t/op/sprintf2.t, and t/op/00ff-dos.t were converted to PIR.
80 + The test scripts t/op/annotate.t and t/op/time.t have begun
81 to be translated from Perl 5 to PIR.
82 + In some tests the dependency on %Config from Perl 5 was eliminated.
84 + The meaning of 'p' means in NCI function call signatures was clarified.
86 + The stub for a new language, as created by mk_language_shell.pl,
87 now relies on the PIR-based tools, which are replacing the Perl 5-based tools.
88 + The library Configure.pir was added.
89 + The library distutils.pir was added.
91 + The mailing list parrot-users and a corresponding google group was created,
92 http://groups.google.com/group/parrot-users.
93 + Many bugfixes, code cleanups, and coding standard fixes.
97 + Parrot_capture_lex has been added to the PARROT_EXPORT API
98 + PARROT_MAX_ARGS has been increased from 8 to 16 to allow for ops that take more than 8 args
100 + The profiling runcore now caches metadata for improved performance
101 - Maintenance and cleanup
102 + Expanded the Parrot debugger documentation
103 + Parrot debugger now uses the new Parrot STRING API
104 + Continue to port rest of internals to use the STRING API
106 + The JIT subsystem has been removed and is being written from the ground up. More
107 information can be found at https://trac.parrot.org/parrot/wiki/JITRewrite
108 + Implicit optional named parameters (eligible in 2.1)
109 + Continuation-based ExceptionHandlers (eligible in 2.1)
110 + Use of undocumented variables in class_init (eligible in 2.1)
111 + Parrot_oo_get_namespace (eligible in 2.1)
113 + Improved line number tracking in IMCC
115 + Converted many more Perl 5 tests to PIR
116 + Expanded test coverage of the CallSignature, Namespace, FixedPMCArray,
117 ResizeableIntegerArray and ExceptionHandler PMCs
121 + Added a fixed-size structure allocator to the Garbage Collector
122 + Added a "lazy" mode to the PObj and Fixed-Size memory allocators
123 + Added a profiling runcore, which generates Callgrind-compatible output
124 + Added lexical subsystem opcodes: find_dynamic_lex, store_dynamic_lex
125 + Converted Contexts to garbage-collectable PMC structures
126 + Created a new Context API
127 + Enhanced the PMC allocator to automatically allocate ATTR structures
129 + Optimized opcodes to cache the current Context for subsequent lookups
130 + Reduced string comparisons in VTABLE_isa
131 - Maintenance and cleanup
132 + Began proper encapsulation of STRING API
133 + Unified all PMC destruction functions
134 + Unified Continuation PMC and Parrot_cont structure
135 + Unified Sub PMC and Parrot_sub structure
136 + Removed PMC_EXT structure
137 + Removed PMC_Sync from PMC
138 + Removed UnionVal from PMC structure
140 + Fixed several stack-walking bugs in Garbage Collector code
141 + Fixed bug when copying a NULL STRING, now returns empty STRING struct
143 + Converted several Perl5 tests to PIR
144 + Expanded test coverage of NameSpace PMC
146 + Made Parrot Compiler Toolkit available in the base install
150 + Removed several deprecated functions and features
151 + Removed bsr, jsr, branch_cs, and ret opcodes
152 + Removed global stacks system
153 + Changed OPS file format to include explicit preamble
154 + Changed all "new 'Iterator'" instructions into 'iter' instructions
155 + Removed Configure.pl options for specifying non-working GC cores
156 + Removed unexecuting code as found by Coverity
157 + Improvements to the Parrot Debugger
158 + Added experimental fixed-size structure allocator to the GC
159 + Added experimental lazy arena allocation to the GC
160 + Refactored hashes, keys, and iterators
161 + Added "corevm" make target to build Parrot without all the supporting libraries
162 + Removed Random PMC type and added in a "rand" dynop
163 + Optimization and Improvements to the NCI thunk generator
164 + New include file libpaths.pasm
166 + Multiple .local with same name and different type is now an error on IMCC.
168 + Improved support for detecting Fink and Macports
169 + Updated search directories for libraries
171 + "Parrot Developers Guide: PIR" released to publisher and available to purchase
172 + Improved documentation about Parrot Debugger
173 + Update PGE Documentation
175 + Deprecate 'PASM1' compiler object, update to warn instead of segfault
177 + Fixes to code, documentation, and standards
181 + Key and Iterator refactor
182 + Major pbc_to_exe generated code speed improvement
183 + New "Infinite Memory" GC core for demonstration purposes
184 + gc_debug runcore and GC-related heisenbug fixes
185 + Elimination of variable expansion in parrot_config
186 + CLI arguments are processed as Unicode by default
187 + Substantial optimizations in NCI
188 + Parrot builds on Win64
189 + Hashes can use native types as keys and values
190 + Fixed installed pbc_to_exe
191 + Simplification of PMC generation code
192 + Improved GC encapsulation and API documentation
194 + List of candidates for embedding API (docs/embed.pod)
195 + PIR book sent to publisher
197 + Several conversions of Perl test to pure PIR.
198 + C indentation coding standards test improvement
199 + Improved test coverage of example code
201 + Removal of PGE rules: <null> <fail> <sp> <lt> <gt> <dot>
202 + Removal of PGE methods: .text .item .result_object
203 + Deprecation of most dynops
205 + Beginnings of OpenGL::Math library; OpenGL bindings and library marked experimental
206 + Localizing and consting fixes
207 + Many memory and thread-related leaks plugged
211 + Optimized parts of the IO system
212 + Fixed inheritance hierarchy of FileHandle and Socket PMC types
213 + Fixed leaks involving subroutines and Parrot_Context
214 + Cleaned up and refactored GC internals, including fixes and optimizations
215 + Optimized PMC class manipulations to use type numbers instead of string names
216 + Fixed problems involving hashval calculations in strings
217 + Removed unnecessary MULTI dispatches in built-in PMCs
218 + Fixed memory leaks involving PMCs that were not properly destroyed
219 + Fixed creation of PMCProxy PMCs in correct namespaces
220 + Added preliminary Pipe support
221 + Fixed cloning of Object PMCs
222 + Added root_new opcode
223 + Added initial versions of Packfile PMCs with read/write capabilities
225 + Fixed several memory leaks in IMCC
226 + Updated PCT to use root_new opcode
227 + Added support for keyword "self" in NQP
229 + Improved and expanded /docs/book
230 + Updated project documentation
231 + Defined 'experimental' status and procedures in DEPRECATED.pod
233 + Cleaned code and improved code-level documentation
234 + Various bugfixes, code cleanups, and coding standard fixes
235 + Added an experimental compiler library to help use PIR libraries from HLLs
236 + Updated OpenGL library and examples to support experimental HLL import
240 + Fixes for pir classes inheriting from core pmcs.
241 + Cleaned up headers and reorganized some sources into subsystem directories.
242 + Clean up PMCs so libparrot.so exports far fewer vtable/method symbols.
243 + Clean up the GC API.
244 + Several unicode identifier improvements in IMCC.
246 + Protoobject stringification is gone.
248 + Rewrite several core documents.
249 + Many reworks, improvements & additions to the Parrot Book.
250 + Installation PDD is launched out of draft.
252 + Fixes for running the language shell generator outside the parrot tree.
253 + Several fixes for developing and building HLLs from an installed parrot.
254 + Configure.pl now has a --no-line-directives option to ease source level debugging.
256 + Portability updates for macports, netbsd, mingw32, hpux.
257 + Several (build time, runtime) performance improvements.
258 + Lots of updates to examples and tests.
259 + Various bugfixes, code cleanups, and coding standard fixes.
263 + Added op: load_language, find_caller_lex
264 + Socket IO are back as PMC
265 + Refactor some PMC: Hash, ManagedStruct
269 - Allow \x, \c, and \o in enumerated character classes (incl ranges)
270 - Add initial greedy-only version of ** <exp> quantifier
272 - Add HLL source line bytecode annotations
273 - Add another dumper format to assist syntax highlighters
274 - Revise mk_language_shell.pl to updated create_language.pl
276 + Removed ops: gcd, exec, classname, need_finalize, runinterp, substr_r
277 + Removed dynamic op: mul
278 + Removed .HLL_map directive; use interp's .hll_map() instead
279 + Removed PMCs: slice, bound_nci, ref
280 + Removed Configure.pl option: --pmc
281 + Removed PMC union struct
284 - Reorganization and many improvements & additions
286 + Add a parrot-fuzzer
288 + Improve Debian/Ubuntu package
289 + various bugfixes, code cleanups, and coding standard fixes
294 + New user documentation for exceptions.
295 + Updates to Chapters 4 & 5 of the Parrot book.
296 + Improved and expanded generated HTML documentation, as the input for
297 http://docs.parrot.org.
298 + Added Compiled HTML Help (.chm) version of documentation.
299 + Cleanups and fixes.
302 - left the nest and is now at http://pynie.googlecode.com/
304 - left the nest and is now at http://github.com/cardinal
306 - left the nest and is now at http://paraplegic.googlecode.com/
307 + ABC, Squaak, and Befunge moved to examples/.
308 + All remaining languages moved to https://svn.parrot.org/languages/
310 + Support for language builds from an installed Parrot.
311 + Expanded language shell generator for new languages.
312 + 'parrotbug' utility repurposed for the Trac interface.
314 + Removed deprecated Tqueue and Closure PMCs.
315 + String, Key, NCI, LexPad, Iterator, Sub, Continuation, RetContinuation,
316 ExceptionHandler, ParrotLibrary, ParrotInterpreter, ParrotThread,
317 ParrotRunningThread, Rational, FixedPMCArray, ResizablePMCArray, and
318 GDBMHash PMCs now use declared attributes (ATTR), in place of the
324 + Support for portable 'Inf', 'NaN' and -0.0
325 + pbc_disassemble prints constants in constants table
326 + New experimental BigNum implementation
327 + Pair is now a dynamic loadable PMC
328 + Various function name sanification
329 + New implementation of Strings component
330 + Replace various PMC value union access code by VTABLE method invocations
331 + Replace various PMC value unions by ATTRibutes
332 + Removed SArray PMC. Use FixedPMCArray instead.
335 - updates to Chapter 2 (getting started)
336 - updates to Chapter 3 (PIR basics)
337 - updates to Chapter 4 (PIR subroutines)
338 - updates to Chapter 10 (HLLs)
339 - updates to Chapter 12 (opcodes)
340 + Function documentation
341 + Pod documentation style modernized; no longer Perl 5 style.
342 + PMC has an additional acronym: Poly Morphic Container
343 + The DOD (Dead Object Detection) acronym is no longer used;
344 use 'GC' to refer to the Garbage Collector component.
347 - :named flag can now take string registers as argument
348 - A single '=cut' directive is now ignored (without initial Pod directive)
349 - :vtable subs now have proper access to 'self' pseudo variable
351 + add new 'Pod' documentation parser
352 + Pipp (PHP implementation):
353 - Pipp is now at http://github.com/bschmalhofer/pipp
354 - support for 'print', 'dirname', 'implode', 'str_replace',
355 - various grammar fixes
357 + add 'quit', 'readline' builtins
358 + fix 'Boolean' type and 'print' builtin
360 - left the nest and is now at http://github.com/fperrad/lua/
362 - left the nest and is now at http://github.com/rakudo/rakudo/
363 - build instructions can be found at http://tinyurl.com/rakudo
365 - left the nest and is now at http://github.com/bschmalhofer/lazy-k.git
367 - left the nest and is now at http://github.com/bschmalhofer/unlambda/
369 - left the nest and is now at http://github.com/fperrad/wmlscript.git
370 + removed Zcode implementation
373 - ATTRs are now inherited automatically in subclassing PMCs
375 + Parrot_readbc, Parrot_loadbc renamed to Parrot_pbc_read, Parrot_pbc_load.
376 + .HLL_map directive in favour of 'hll_map' method on Parrot interpreter
377 + Data::Escape library
379 + pbc_disassemble options added
380 + pbc_dump renamed from pdump
382 + Parrot is now Copyright Parrot Foundation
383 + Parrot's SVN repository is now hosted at https://svn.parrot.org
384 + Various code cleanups, consting, 64-bit incompatibilities and other bug fixes
387 New in January 2009 release (0.9.0)
389 + Implemented bytecode annotations
390 + Role composition is now aware of multi-subs
391 + Unbuffered IO PMCs now autopromote when buffering is necessary
392 + Installation parrot binary and libparrot shared library now supported
393 + Class registry now respects HLLs
396 - removed keyed string indexing, e.g. $S0[1].
397 - removed slice syntax, e.g. $P0[1..2]
398 - removed .namespace <ident>/.endnamespace <ident> pair
399 - fixed 'new $P0, [classname]' syntax
401 - refactoring of various data structures
402 - various bug fixes and updates
403 - complete bytecode generation
404 - add '-x' commandline option to run compiled code
406 - add 'hll' and 'subid' attributes to PAST::Block
407 - refactor loop handling code to handle last/redo/next
408 - add :pasttype('stmts') and :pasttype('null')
409 - improve "scope not found" error message
410 - allow PAST::Val nodes to contain block references
412 - add "skipkey" option to PGE::OPTable
413 - allow spaces before modifiers in regexes
414 - add '(' ~ ')' goal matching syntax
415 - skip creating a class/grammar if it already exists
418 - improved error mesages in multi dispatch
419 - implemented clone method for all objects
420 - implemented MAIN sub
421 - Unicode versions of infix hyper operators
422 - refactored IO.readline
423 - basic support for Inf and NaN
424 - list and array slices with whatever star
426 - implemented last and redo
427 - pointy blocks as terms
428 - refactored variable and parameter passing
429 - improved assignment semantics
430 - improved parsing of type names and subs
431 - mostly implemented parametric roles
432 - separate types for blocks, subs and methods
433 - basic support for submethods
434 - implemented Junction autothreading of user code (not builtins yet)
435 - eval supports :lang attribute
436 - proto makes other subs in scope multis, including in role composition
438 - back to working state
441 - add support for predefined constant __CLASS__ and __METHOD__
442 - add initial support for static members
443 - add support for namespaced constants
444 - constants are now handled as package vars
445 - variables are now lexical variables
446 - add support for superglobals in functions
447 - Call the class __constructor when there is one
448 - added incomplete support for closures
449 - removed support for the alternative parsing strategies
450 - added support for 'elsif'
451 - added support for 'do-while'
453 - left the nest and is now at https://github.com/bschmalhofer/hq9plus/
455 - left the nest and is now at http://github.com/bschmalhofer/eclectus/
457 - left the nest and is now at http://github.com/bschmalhofer/m4/
459 - add a minimalist user back trace
461 - "does" and "morph" VTABLE interfaces are now overridable from PIR
464 - 'make smoke' now generates Smolder reports sent to
465 http://smolder.plusthree.com/app/public_projects/smoke_reports/8
466 + Improved const and null correctness for C function parameters
467 + Sped up STRING manipulation (append, chop), improving PGE about 30%
469 - Added sections about Classes, OO programming, and methods.
470 - Added information about Annotations, Exceptions, and Handlers
472 - Removed non-functional STM subsystem
477 + fixed lexical semantics
478 + added the 'capture_lex' opcode
479 + added automatic resume for nonfatal exceptions
480 + added multidispatch cache
481 + applied miscellaneous performance improvements, including startup time
482 + fixed several bugs and leaks found by Coverity Scan
483 + removed race conditions from parallel testing
486 - removed undocumented .param int <stringc> => <ident> syntax
487 - .line directive now only takes an integer argument
488 - new .file directive to specify the file name being compiled
490 - properly handles lexical generation and closure semantics
491 - uses :subid instead of name lookups to reference PAST::Block nodes
492 - added PAST::Control node type (exception handlers)
494 - add support for <?{{...}}> and <!{{...}}> assertions
495 - Match objects use Capture PMC instead of Capture_PIR
497 - add macro handling to PASM mode
498 - disable vanilla register allocation in PASM mode, but do allow optimization
499 - add tests and bug fixes
500 - first bits of bytecode generation. No sub calling/returning yet.
503 - fixed lexical handling and recursion
504 - refactored subtypes implementation
505 - support for quotes with multi-character delimiters
506 - implemented list slices (Positional role)
508 - reduction meta operators
509 - hyper meta operators
510 - cross meta operators
511 - more builtin functions
513 - basic support for protos
514 - iterator on filehandle objects
515 - basic support for exception handlers
518 - added complex & mathx libraries
519 - merged LuaClosure & LuaFunction PMC
521 - added support for a return value from user defined functions
522 - added incomplete implemention of 'require_once'
524 - parser fixes, parses spidermonkey's top level test/shell.js
526 + PARROT_API is now PARROT_EXPORT
528 - :lexid is now :subid
529 - .arg is now .set_arg
530 - .result is now .get_result
531 - .yield (in .begin/end_yield) is now .set_yield
532 - .return (in .begin/end_return) is now .set_return
533 - .namespace x / .endnamespace x syntax is removed
534 + Capture_PIR (runtime/parrot/library/Parrot/Capture_PIR.pir)
538 + added CPAN module Storable 2.12 as a configuration and build dependency
539 + removed the pseudo PIR opcode 'addr'
540 + added the 'box' opcode
541 + fixed 'pop_eh' handling in PIR libraries and examples
542 + removed usage of .return for tailcalls (use .tailcall instead)
543 + removed 'get_hash' and 'get_array' from Capture PMC and Capture_PIR
544 + improved debugger and HLL coordination
545 + allowed MMD primitive autoboxing
546 + fixed all known memory leaks in PIR "Hello, world!"
547 + NCI signatures now JITted on x86-32 platforms (Windows and Linux)
548 + made the .const directive take a quoted type name instead of a constant
549 + made IMCC more re-entrant
552 - refactored Junctions implementation
553 - added "fire and forget" tool to rebase/rebuild/test Parrot and Rakudo
554 - updated container/reference semantics
555 - added more builtin methods and functions
556 - improved support for multilevel namespaces
557 - added support for .Str, .succ, .pred in user-defined classes
558 - implemented pointy blocks on if/loops
559 - increased STD.pm convergence
561 - improved MMD candidate sorting
562 - improved integration of Num and Int
563 - implemented increment on protoobjects
564 - added initial support for MAIN subs
565 - added .PARROT method
567 - added some predefined constants
568 - added implemention of the function basename()
570 - Added initial support for the classes Proc, Continuation, Queue, Dir, File, and FileStat
571 - fixed various minor bugs
572 - fixed broken Regexes
575 - added '.isa' method to PCT::Node
576 - cleaned up 'immediate block' handling
577 - allowed arguments to immediate blocks in loops/conditionals
578 - metaclass objects can now 'add_method'
580 - integrated macro processing in PIRC's lexer
581 - integrated heredoc lexer in PIRC executable
582 - added preprocess and heredoc-preprocess commandline options
583 - integrated the PASM grammar into PIRC
584 - added a register allocator to optimize the built-in vanilla allocator
585 - code cleanups and documentation
586 - added 'make test' target
588 - updated to work with new namespace/classname syntax
590 + PARROT_API will become PARROT_EXPORT
591 + :lexid will become :subid
594 - updates and additions to the Parrot book (see docs/book/)
596 - minor fixes to Parrot's base OpenGL bindings
597 - converted OpenGL PIR examples to Perl 6 (two complete, one WIP)
598 - added simplified OpenGL PIR example for NCI JIT testing
600 - further improvements to parallel tests
601 - tests no longer leave filesystem breadcrumbs
602 - more thorough testing of Parrot::Test itself
606 + float precision expanded to 15 significant digits from 6
607 + large integers autopromoted in PIR so as not to lose precision
608 + improved precision of complex square root
609 + exception handlers can register types of exceptions they catch
612 - implemented gather, take, and yield builtins
613 - Range, Time, Math, GC, Kernel classes
615 - added a new committer
616 + Markdown : new lightweight markup language
617 - start implementation with PCT/NQP
619 - Moved to its own repository: http://code.google.com/p/partcl/
621 - split() works with regexes
622 - implemented Str.comb
623 - ord() and chr() builtins
624 - improved parsing of literal numbers
625 - support for hyphens and dashes in identifiers
626 - next() on for-loops
627 - fixed floating point constant precision
628 - improved namespace handling, closer to STD.pm model
629 - support for exporting symbols
632 - now generates classes in nested namespaces instead of :: names
633 - supports class creation in caller's HLL namespace
635 - now using true nested namespaces instead of :: names
636 - cleaned up HLLCompiler interactive prompts and readline mode
637 - updated to use typed exception handler registration
638 - added initial support for loop control exceptions
640 - fixed Heredoc preprocessor
641 - cleaned up Macro preprocessor
642 - many code clean-ups, warning fixes and consting
643 - updated Makefile for easier compilation
645 - Added .tailcall syntax to replace .return in tailcall context
648 - an old style line numbered Basic interpreter able to use parrot objects
649 - example connecting to mysql via nci
650 - example using classes to write and run an embedded Basic program
653 - Added chapters for PCT, PMCs, and Opcodes/Runcores
654 - Expanded and improved formatting in various chapters
655 - Renumbered chapters
660 + add -I and -L command line options
661 + support for null strings in NCI calls
662 + preliminary support for resumable exceptions
663 + add '.hll_map' method for dynamic HLL type mapping
664 + more parrot_debugger fixes
665 + remove obsolete '.past' extension
668 - now over 3300 passing spectests
669 - precompiled modules
670 - precompiled scripts (--target=pir can now be executed standalone)
671 - Support for @*INC and %*INC varialbes
672 - additional builtin methods and subs
673 - added 'fail' function, warnings on use of undefined values
675 - qq, qw, q quoting forms
676 - run tests in parallel
680 - 'require' and precompiled modules
682 - all Array tests pass
684 - default arguments to functions
688 - add :loadinit attribute for PAST::Block
690 - major refactoring to allow all PIR keywords as identifiers
691 - links to libparrot now, so all Parrot ops are recognized as such
692 - implemented .loadlib, .HLL_map, .HLL
694 + add Xlib and Mysql modules and test programs to NCI examples
695 + many updates and cleanups to PDD documents
699 + PDD27: add multisub lookup
701 + new concurrency implementation (see PDD25)
702 + Exception PMC now captures a return continuation
703 + improved PMC encapsulation (Iterator, Key, Pair)
707 - parsing improvements
708 - minor additions to class builtins
709 - add support for block parameters to functions
711 - various language fixes
712 - refactor all libraries (namespace, method registration)
713 - add a OpenGL binding (still incomplete)
714 - lost user back trace (see ppd25 & pushaction)
716 - add support for while- and for-loops
717 - add support for increment and decrement
718 - designate PHP 5.3 as the reference implementation
719 - improve support for string literals
721 - removed due to bit rot
723 - now over 2200 passing spectests
724 - updated the Rakudo roadmap
725 - Perl 6 multi dispatch
726 - dispatch with slurpies
727 - class attributes ("my $.x")
729 - OO and metaclass improvements (.WHAT, .WHICH, .WHENCE)
730 - additional builtin methods and subs
731 - improved make test targets and harness
733 - implement [lreverse], [lsort -command]
734 - allow [incr] to autovivify
735 - update tclsh spec target to 8.5.3
736 - fix bug in TclDict PMC, allowing ~200 more [dict] spec tests to pass
737 - update 'make spectest' fudging, using TODO instead of SKIP if possible
740 - :scope('register') for PAST::Var nodes
741 - allow invocant specification in attribute scope PAST::Var nodes
742 - correct ordering of sub generation from POST
743 - add 'loadinit' attribute to PAST::Block for block initialization
745 - PIR registers now use the vanilla register allocator
746 - all PASM output now uses PASM registers
747 - all .locals and $registers are mapped
748 - clean-up of grammar, back-end and documentation
749 - implemented constant folding
750 - implemented instruction selection
752 + tests now clean up after themselves
753 + improved parallel test support
755 + Darwin problems fixed
757 + parrot_debugger renamed from pdb, numerous tweaks
760 + :vtable implies self in PIR
761 + modest core speed improvements
762 + Cygwin support improved
763 + "say" now an opcode (was dispatched to a method; see Deprecations)
765 + ".pragma n_operators" is deprecated
766 + old PASM register syntax (without "$") is deprecated
767 + bare (unquoted) method names are deprecated
768 + "#line" will be replaced with ".line"
769 + ".HLL_map" syntax will change
770 + ".loadlib" is now separate from ".HLL"
771 + mmdvtregister and mmdvtablefind opcodes are deprecated
772 + removed getfd, getclass opcodes
773 + removed IMCC syntax that treated some methods as builtins
774 + removed numeric get_attr and set_attr vtable entries
778 + removed a lot of old information from the FAQ
779 + improved function level documentation
781 + removed the configuration item 'has_gnu_m4'
782 + refactored ICU-detection
785 - improved the Smalltalk implementation
787 - renamed Plumhead to Pipp
788 - support for a lot of builtin functions.
789 - Pipp now uses PHP specific data types.
790 - converted from PCT with TGE to PCT with NQP actions
791 - improvements in the PCT variant by using optok parsing
792 - start of object support
794 - simple assignments work
796 - added a PCT-based implementation of JSON parsing
798 - improved handling of symbols
799 - added support for block handling
800 - added support for globals
804 - updated Range implementation
806 - added generic type declarations (::T)
807 - added runtime mixing of roles with 'does' and 'but'
808 - fixed handling of implicit lexicals ($_, $!, and $/)
809 - fixed implicit method calls on $_
810 - improved complex math builtins, added Complex
811 - moved many builtins to class Any
812 - declaration of lists of variables now work
813 - improved test infrastructure
814 - 910 additional passing spec tests since last release
815 - more convergence with STD.pm grammar
816 - added named 0-ary parsing and ops
819 - allowed subroutine and method names to be a PAST tree that produces the name
820 - Improved lexical handling
822 + pbc_disassemble renamed from disassemble
824 + allowed .macro_const in PIR
825 + added the flag :lexid(...) for subroutines
826 + made multiple dispatch work for sub types
827 + fixed garbage collection bug related to the metadata attached to a PMC_EXT structure
828 + added a warning when using deprecated opcodes
829 + simplified the stacks implementation
831 + improved closure and lexical support
832 + improved IMCC register allocator
833 + added cache for all runtime-constant strings, reducing memory usage
835 + improved OpenGL/GLU/GLUT bindings
836 + added a standard profile for Perl::Critic coding standard testing
837 + added support for smoke testing with Smolder
838 + enabled use of Test::Harness 3.0 if available, but don't require it for 'make test'
839 + added the executable 'parrot_config' to query Parrot configuration
843 + updated pdd09_gc.pod
846 - dramatically improved parsing speed
847 - added support for defining and instantiating classes
848 - started fleshing out the builtin class hierarchy
849 - added support for hashes and arrays
850 + Chitchat: added the start of a smalltalk compiler
851 + Pheme: updated to match PGE changes
852 + Pynie: return statement, other minor updates
854 - added working list and hash contexts
855 - added 'return' statements
856 - added => pair constructor
857 - added ?? !! ternary
858 - added Range, range operators, Complex
859 - added common List, Hash methods
860 - refactored base classes
861 - added Mutable, Perl6Scalar classes
862 - added type-checking, is readonly/rw/copy for parameters
863 - added make localtest, docs/spectest-progress.csv
865 + Squaak: implement return statement
866 + Tcl: updated control flow exceptions to use new builtin types
868 + All tools converted to P6object metamodel
870 - <?foo> is now a zero-width match
871 - reduced backtracking to improve parsing speed
873 - added "return" PAST.op node type for subroutine returns
874 - added "keyed_int" scoping to PAST::Var
875 - fixed calls to closures
876 - automatically transcode 7-bit unicode to ascii for faster processing
877 + NQP: added "return" statement, ?? !! ternary operator
879 + expanded step gen::opengl
881 + updated function and macro names to match pdd09_gc.pod
883 + add ".namespace []" as alternative to ".namespace"
884 + "make codetest" target runs standard coding tests
886 + added P6object class for Perl 6 interfaces to objects in Parrot
887 + ported OpenGL/GLU/GLUT bindings to Win32, BSD, and more Mac OS X variants
888 + generate OpenGL/GLU/GLUT bindings by parsing system headers
889 + new OpenGL example shapes.pir, covering basic OpenGL 1.1 / GLUT 3 APIs
890 + new float4.pir structure-packing benchmark
891 + reduced memory use for variables
892 + improved constant string caching
893 + made code g++ and gcc (with optimizations) safe
894 + the usual collection of bugfixes and optimizations
898 + updated and launched pdd28_strings.pod
899 + updated pdd19_pir.pod
901 + added implementation of Rational PMC.
902 + simplified ops control flow syntax
903 + enabled backtrace on non-glibc platforms too
904 + improved some PIR error reporting
905 + removed user stack opcodes
906 (save, restore, lookback, entrytype, depth, rotate_up)
907 (NOTE: This was scheduled to occur after 0.7.0, moved up to this release)
908 + removed register stack, saveall, and restoreall opcodes
909 + removed various deprecated features and unused code
912 + C99: grammar updated
913 + Cardinal: resurrected, method calls and do blocks work now
914 + Eclectus: use NQP as PAST generating code
916 - added big number library
917 - updated to match PGE changes
918 - added a bytecode disassembler & a Lua 5.1 VM bytecode translator
919 + Pheme: updated to match PGE/PCT changes
921 - use NQP as PAST generating code
922 - use riaxpander for macro expansion
925 - conditional and loop statement modifiers
926 - lots of class, object, role, and method improvements
927 - Str increment and decrement
928 - improved spectest reporting
929 - type checking on assignment
930 - regexes and grammars
934 + Squaak: added to repository
937 + PGE: updated to match Synopsis 5, deprecated features removed
939 - improve handling of register types, conversion between registers
940 - improved error diagnostics
941 - add 'arity' to for loops
943 + added step auto::opengl
944 + added step gen::opengl
945 + added step gen::call_list
947 + still more optimizations and performance improvements, especially in GC
948 + new libraries: OpenGL/GLU/GLUT bindings (small subset working)
949 + new dump_pbc.pl utility: PBC disassembly/source code weaver
950 + improved C++ compiler support
951 + optimized builds work again
956 + drafted pdd29_compiler_tools.pod
957 + updated pdd28_character_sets.pod draft
958 + updated pdd19_pir.pod draft
960 + c99: added independent C pre-processor
961 + HQ9+: reimplemented with PCT
963 . reimplementation with PCT, using PAST and POST
964 . behavior aligned wih 5.1.3
966 . implemented basic I/O, including '$*IN', '$*OUT', '$*ERR', 'prefix:='
967 . implemented simple typing and runtime type checking
968 . added basic multi-method dispatch
969 . expanded named argument handling, including Pair and colonpairs
970 . added 'Whatever' and 'Capture' classes
971 . implemented 'handles' trait verb
972 . added 'loop' statement
973 . implemented 'given', 'when', 'for', 'while', 'until' statement modifiers
974 . implemented Hash methods '.keys' and '.values'
975 . fixed bug to get '.WHAT' working correctly
976 . initial implementation of 'eval'
979 . created a bootstrapped build, see 'make boot'
980 . added 'infix:<', 'infix:<=', 'infix:>', 'infix:>=' relational operators
981 . added 'postfix:++', 'postfix:--' operators
983 . added methods specifying default behaviors in PAST, reducing repeated code
984 . improved symbol table lookup
986 . removed deprecated code including: P6Regex, P6Grammar, PAST-pm
988 + notable speedups during compilation and execution of parrot and HLLs
989 + pdb (the parrot debugger) can now catch parrot exceptions
990 + better detection of glibc and gettext during configuration
991 + various bugfixes, code cleanups, deprecations, and coding standard fixes
996 + launched pdd18_security.pod
997 + updated pdd17_pmc.pod
998 + launching draft of pdd28_character_sets.pod
1000 + cleanup of IMCC documentation
1002 + add step auto::gettext
1003 + add step auto::crypto
1007 . Phase out P6Regex in favor of Perl6Regex
1009 '.local Array my_arr' is illegal now
1011 + C99: reimplementation with PCT
1014 . add support for functions with params
1015 . add math functions
1018 . first cut at smart matching
1019 . indirect method calls
1021 . added methods 'grep' and 'first'
1022 . implement auto{increment,decrement}
1023 . initial implementation of 'perl6doc'
1026 . add base64 library
1027 + Cardinal: basic support for functions with parameters
1028 + Pheme: various updates
1029 + Ecmascript: various updates
1030 + Tcl: now targeting tcl 8.5.1, no more expected failures in test suite.
1031 (No, this doesn't mean everything's implemented. =-)
1032 + Eclectus: various updates
1033 + WMLScript: various updates
1036 + Add library YAML::Dumper
1037 + Add the MD2, MD4, MD5, RIPEMD160, SHA & SHA1 PMC, as a wrapper
1040 + various bugfixes, code cleanups and coding standard fixes
1042 + remove external Perl 5 modules from the Parrot distribution
1046 + PDD09 (garbage collection) - approved
1047 + PDD28 (character sets) - draft started
1048 + added function documentation to some core functions
1049 + PCT beginners guide, optable guide and PAST nodes guide, bug fixes
1051 + IMCC: plugged various memory leaks and other cleanups
1053 . add "attribute" as a scope variant to PAST::Var nodes
1054 . add 'shift' and 'pop' methods to PAST:: nodes
1055 + NQP: add '=:=' op, tests for scalar and list contextualizers, \x escapes
1057 + APL: reimplementation with PCT
1058 + Cardinal (Ruby): reimplemention with PCT
1059 + Ecmascript: reimplementation with PCT
1060 + lolcode: improved expression parsing, ifthen, IT, YARN
1062 . aligned with Lua official release 5.1.3.
1063 . added initial PCT-based implementation.
1064 + Punie (Perl 1): refactor to use standard PCT-based filenames
1065 + Pynie (Python): add functions
1067 . rebranded, formerly known as 'perl6'
1068 . passes many more official Perl 6 Specification tests
1069 . added 'perl6doc' utility
1070 . oo including meta?classes, objects, methods, attributes, role composition
1071 . match variables, while/until statements, traits
1072 . many new methods for Str, List, Hash, Junction
1075 + PCCINVOKE syntax for named arguments using []; use () instead.
1076 + see DEPRECATED.pod for details
1078 + pbc_to_exe refactored for code reduction, portability, and maintainability
1080 + #line directives added to generated JIT files, improving debugging
1081 + consting, attribute marking, refactoring, warnings cleanup
1085 + PDD27 (multiple dispatch) - debut of new design
1086 + Numerous small updates to glossary.pod, etc
1088 + NQP: optional, named, and named/required parameters
1090 + PAST: "defined-or"
1092 + New mk_language_shell.pl script creates language stubs
1095 + Eclectus: start with support for local variables and procedures,
1096 use SXML as intermediate representation
1097 + Perl 6: list builtins, compiler directives, command-line options, etc.
1098 + "make perl6" now builds a Perl 6 executable
1099 + punie: more builtins, control structures, code refactoring
1100 + pynie: builtin stubs, more tests
1102 + New "pbc_to_exe" utility turns bytecode to executables
1103 + New set_outer method for subs
1104 + Further configuration refactoring for testability
1105 + All functions now completely headerized
1106 + Concurrency: interpreter schedulers
1108 + DYNSELF (changes to SELF; SELF to STATICSELF)
1109 + METHOD (replaced by renaming PCCMETHOD)
1110 + pmcinfo op (superseded by 'inspect')
1111 + get_attr, set_attr, and 8 other vtable methods
1112 + See DEPRECATED.pod for details
1115 + Minor speed enhancements with UTF-8 string handling
1117 + consting, attribute marking, warnings cleanup, memory leaks plugged ...
1121 + PDD19 (PIR) - reflect state on the ground; incorporate old IMCC docs
1122 + PDD25 (Concurrency) - launch out of draft
1123 + Improve documentation of deprecated parrot features.
1125 + PCT: Parrot Compiler Toolkit redesigned and updated
1126 + NQP: major updates, including support for namespaces,
1127 module/class declarations, methods
1128 + IMCC: remove .sym as alias for .local. Remove .pcc_
1129 prefix for calling directives (.pcc_begin became .begin_call).
1130 + PIRC: creates an AST during the parse.
1131 + PGE: more updates to match S05 syntax.
1133 + perl6: re-implemented using PCT and NQP, new object subsystem
1134 + abc: re-implemented using PCT and NQP
1135 + eclectus: initial implementation
1136 + plumhead: add PCT variant
1137 + punie: re-implemented using PCT and NQP, extended to handle subroutines
1138 Happy 20th Birthday, Perl!
1139 + pynie: re-implemented using PCT and NQP
1140 + PIR: start conversion to NQP (under construction)
1142 + new opcodes: 'die', 'addhandler', 'copy'
1143 + Initial implementation of Concurrency PDD
1144 + Add 'arity' method to Sub and NCI PMCs
1147 + consting, attribute marking, warnings cleanup, memory leaks, GC...
1148 + dead code removal (includes some defunct languages)
1152 + PDD15 (OO) branch merged with trunk; this release contains a working,
1153 tested implementation of the latest OO model
1154 + Added pop_eh/push_eh_p/count_eh opcodes
1155 + Add --runcore command line option
1156 + Add gcdebug runcore to help track down GC bugs
1157 + minor improvements to IA-32 JIT
1159 + PDD19 (PIR): updates to macros, .pcc* directives
1160 + PDD25 (Concurrency): updated
1161 + PDD26 (AST): draft approved
1162 + PDD23 (Exceptions): draft approved
1163 + Copyright cleanups
1164 - Languages/Compilers
1165 + languages/APL: minor updates, PDD15 conformance
1166 + languages/dotnet: minor updates
1167 + languages/lua: minor updates, PDD15 conformance
1168 + languages/lisp: minor updates
1169 + languages/perl6: minor updates, PDD15 conformance
1170 + languages/plumhead: minor updates
1171 + languages/punie: minor updates, PDD15 conformance
1172 + languages/nqp: minor updates
1173 + languages/scheme: many updates, PDD15 conformance, improved tests, use
1174 PMCs instead of primitive registers to represent values
1175 + languages/tcl: bugfixes, PDD15 conformance
1176 + languages/WMLScript: minor updates
1177 + compilers/pirc: updates from PDD19, PDD06
1178 + compilers/pct: minor updates, PDD15 conformance
1179 + compilers/pge: PDD15 conformance
1180 + compilers/tge: PDD15 conformance
1182 + Improve test coverage
1183 + Improve reporting when a step fails; allow abort on failure
1185 + More coding standard conformance, tests, cleanup, speedups,
1187 + Bug cleanup, esp. GC bugs
1188 + Eliminate .imc extension (use .pir)
1189 + Simplify some core config steps to not allow interactive prompting
1195 + Bug fixes (including Coverity IDs 20, 22, 30, 119-122, 124-126, 129-131)
1196 Also various GC, memory, and segfault issues
1197 + Fix & reenable CGP core
1198 + Parrot's -r flag now works again (compile to and execute bytecode)
1199 + Updates to pmc2c & PIR syntaxes
1201 + Minor performance improvements, especially in PGE
1203 + PDD02 "Vtables" - superceded by PDD17
1204 + PDD06 "PASM" - minor updates
1205 + PDD17 "PMC" - add VTABLE syntax, update core PMC struct, restore UnionVal
1206 + PDD19 "PIR" - early review started
1207 + PDD21 "Namespaces" - cleanup
1208 + PDD24 "Events" - draft approved
1209 + PDD25 "Concurrency" - minor updates
1210 + PDD26 "AST" - draft version begun
1211 + PIR tutorials updated
1212 - Languages/Compilers
1213 + Make scheme work with the current calling conventions, other major work.
1214 + Updates to m4, lua, compilers/pirc, languages/PIR, dotnet, tcl
1216 + make -j functional again
1217 + Code cleanup (refactoring, optimizations)
1221 + Performed code review on every PMC
1222 + Modified PMC code generation to use Storable, reducing compile times
1223 + Added a makefile target to generate test coverage data of C sources
1225 + NQP: added lists, for loops, operators, comparison and multiplicative operators
1226 + Announced Kea-CL, Kea Common Lisp, an ANSI Common Lisp implementation
1227 The repository is available at https://rgrjr.dyndns.org/svn/kea-cl/trunk/
1229 + PDD17 "PMCs" - draft approved, the design is complete
1230 + Added more PIR tutorials, see examples/tutorial/00_README.pod
1232 + Many bugfixes, enhancements, documentation, and coding standard updates
1233 + Deprecated PMC constants and other crufty syntax, see DEPRECATED.pod
1234 + Improved icc compiler compatibility for error line reporting
1238 + Lots of code review, many bugs fixed
1239 + Many more code cleanups and compiler warning levels
1240 + Started a new jit engine for 64-bit processors
1241 + Refactored configure process, with tests and new diagnostic options
1242 + Added new CodeString PMC for dynamic generation of PIR code
1243 + More pdd15 support for object metamodel.
1245 + Added NQP ("Not Quite Perl"), a very lightweight Perl 6-like language
1246 + Significant improvements and refactors to PCT (Parrot Compiler Toolkit)
1247 + perl6 passes more spec tests
1248 + Lua works now with a PGE/TGE/PAST-pm based compiler, lives in one pbc,
1249 and the interpreter has same behavior as original.
1251 + Added a committers' HOWTO
1252 + More PIR tutorial examples
1256 - Now, with Seat Belts!
1257 + added makefile targets for Sun lint, BSD lint, and splint
1258 + corrected many errors picked up by these tools
1259 + decorated source code with compiler hints, assertions, and attribute macros
1260 + automated creation of function declarations to prevent common errors
1261 + increased compiler warnings levels
1262 + converted more exceptions to a recoverable form
1264 + updated Lisp, Lua, Perl 6, tcl, regex, Scheme ("Pheme")
1265 + Perl 6 now fetches selected tests from pugs, and even passes some
1266 + PGE modified to handle {*} action subs for top-down and bottom-up parsers,
1267 and to allow grammar subclassing
1268 + HLLCompiler now has better exception, eval, and exit support
1269 + Introduced PCT, a refactor of HLLCompiler and PAST-pm
1271 + PDD15 "Objects" - details added to 'new' and 'getattribute' opcodes
1272 + PDD17 "PMCs" - notes added on instantiation and dynamic extention in PIR
1274 + added Parrot-related text from "Perl 6 and Parrot Essentials" book,
1275 tutorial examples from "Learning PIR" talk, and PDD15 metamodel diagrams
1277 + reduced memory footprint when using named registers
1278 + implemented overridding of vtable methods by PDD15 classes
1279 + improved PDD15 support for 'new', 'instantiate', and others
1280 + added makefile targets to ease core and HLL makefile regeneration
1281 + updated parrot dubugger, "pdb", to allow loading of commands from file
1283 + many bugfixes, enhancements, documentation, and coding standard updates
1287 + Updated Lisp, Lua, PHP ("Plumhead"), Python ("Pynie"), ABC,
1288 WMLScript, and Tcl ("ParTcl").
1289 + Perl 6 passes all of the sanity tests.
1290 + PGE supports latest Perl 6 grammar syntax. Perl 6, Python
1291 ("Pynie"), and ABC parsers updated to match.
1292 + Updated PHP ("Plumhead") to Antlr 3.0.
1293 + Lua added the beginnings of a PGE/TGE based compiler (not yet
1294 replacing the Perl/Yapp compiler).
1295 + Lisp updated for current features, added a test suite.
1296 - Core Implementation:
1297 + Filled in features and backward compatibility for PDD 15 objects.
1298 New object metamodel passes 85% of old test suite.
1299 + GCC API symbols are visible externally only when explicitly exported.
1300 + Added generated GCC compiler attributes to increase warnings, and
1301 cleaned up resulting warnings.
1302 + Code cleanup efforts and fixed memory leaks by the cage cleaners,
1303 resulting in notable speed increases.
1305 + Updated Parrot distribution to Artistic License 2.0, from dual
1306 Artistic 1/GPL license.
1307 + SDL examples brought up-to-date with current features.
1311 + even more refactorings and improvements in configuration system
1312 + improved tests and documentation for configuration system
1314 + Updated abc, PHP ("Plumhead"), Lua, Tcl
1317 + new PMC PDD draft partially completed
1319 + continued implementation of PDD 15 (Objects)
1320 + minor garbage collector and memory management improvements
1321 + several memory leaks resolved
1322 + extended support for compilers other than GCC
1323 + improved C++ compiler compatibility
1324 + enhanced support for Solaris, non-MSVC Win32, and other platforms
1329 + IMCC: added documentation for C-based Parrot Calling Conventions,
1330 refactorings and bug fixes
1331 + PGE: new perl6regex front end reflecting recent S05 syntax changes
1332 + PIRC: new prototype PIR parser
1334 + Updated Lua, PHP ("Plumhead"), BASIC, pynie
1335 + Lua implements environment
1337 + PDD15 "Objects" - details added, and draft approved
1339 + Added guidelines for PMC documentation
1341 + PDD15 implementation is largely complete, including role-based composition,
1342 introspection, and C3 method resolution order
1343 + new Exporter PMC for importing globals between namespaces
1344 + new string utilities for radix conversion
1345 + PCCINVOKE and Parrot_PCCINVOKE allow calling using the full Parrot Calling
1346 Conventions from PMCs and C code respectively
1348 + Refactorings and improvements in test coverage for 'Configure.pl'
1350 + many bugfixes, enhancements, and code cleanup
1351 + added example subversion config file
1352 + extended support for gcc, icc, and other compilers
1353 + extended support for Solaris and other platforms
1359 + IMCC: Parrot calling conventions now available between two C PMCs (PMINVOKE)
1360 + PGE: Match object improvements
1361 + smop: added Attribute and Class PMCs
1362 + HLLCompiler: improvements for interactive mode
1364 + extended binding to a list of variables
1366 + Updated Lua, PHP ("Plumhead"), Tcl ("ParTcl"), Ruby ("Cardinal")
1367 + Update PIR, regex, Zcode
1368 + New language: Pynie - a Python compiler for Parrot
1369 + Lua implements require and many other ops, improved regex support
1372 + PDD01 "Overview" - updated architecture and platform information
1373 + PDD15 "Objects" - details on roles, objects, and classes added
1374 + PDD22 "I/O" - added async ops and Status PMC details
1376 + Added guides for Metacommitter, Relase Manager, and Cage Cleaner roles
1378 + Object, Class, Role, and Attribute PMC implementation has begun
1379 + Perl 5 module "Parrot::Embed" now compiles and links on all platforms
1381 + Major improvements in test coverage for 'ops2c.pl'
1383 + New utility: Crow, a template processor
1384 + New library module: Config/JSON for reading/writing JSON files
1385 + many bugfixes, enhancements, and coding standard updates, code cleanup
1390 + IMCC: Parrot calling conventions now available in C PMCs, allowing
1391 named, optional, slurpy, and flat parameter passing
1392 + PGE: extended support for Perl 5 Regexes
1393 + smop: prototype object model implementation
1394 + hllcompiler: refactored to run a configurable set of compilation stages
1396 + redesigned assign/binding to support Perl 6 binding semantics
1398 + Updated Lua, PHP ("Plumhead"), Tcl ("ParTcl"), perl6, perl5
1399 + New language: PIR - a PGE-based implementation of Parrot PIR
1400 + perl6 now supports binding (':=') and 'join'
1401 + lua generates tail calls, and supports its own regex flavor (PGE-based)
1402 + Pheme still works, huzzah!
1404 + PDD21 "Objects" - rewritten
1405 + PDD22 "I/O" - updated and 'TODO' tests added
1407 + Interface stability classification standards approved
1408 + Roles and Responsibilities documented approved
1409 + Official 'drafts' directory created (was 'clip')
1411 + More NameSpace and OS PMC methods implemented
1412 + Parrot executable fullname and basename now available in PIR/PASM code
1413 + new 'chomp' library function
1415 + Major improvements in test coverage for 'ops2pm.pl'
1417 + many bugfixes, enhancements, and coding standard updates
1418 + extended support for Sun Workshop Compilers
1419 + Parrot now builds on PocketPC platform
1424 + HLLCompiler: added tracing options, modified api
1425 + PGE & TGE bugfixes and updates
1427 + added global and lexical variable support
1428 + added looping constructs, arrays, hashes
1430 + Updated PHP ("Plumhead"), Tcl ("ParTcl"),
1431 forth, perl6, lua, abc, APL, WMLScript, punie
1432 + ParTcl is passing > 24.9% of Tcl cvs-latest test suite
1433 + perl6 now supports hashes, arrays, method calls, arity-based
1434 multisubs, quoted terms, ranges (non-lazy), try blocks, $!
1436 + PDD01 "Overview" - updated
1437 + PDD22 "I/O" - rewritten and approved
1439 + Converted Perl 5 Regex tests to PIR, with notable speedup
1440 + Added tests for opcodes, compilers, languages, and coding standards
1442 + Major improvements in test coverage for 'pmc2c.pl'
1444 + many bugfixes, enhancements, and coding standard updates
1445 + extended support for non-core platforms including Cygwin, Tru64
1449 - New languages: PHP ("Plumhead"), Forth
1450 - Updated languages: Ruby ("Cardinal"), Tcl, Lua
1451 - Remove old Python implementation from Parrot repository; the new Python
1452 language code is hosted at http://pirate.tangentcode.com
1454 + PGE updated with more expressions, latest changes to S05
1455 + new Perl 6 grammar compiler
1457 + Perl 5 module "Parrot::Embed" allows easy embedding of a Parrot
1458 runtime into a Perl 5 program
1460 + new :init pragma for subs that must run before the main function
1461 + new :vtable pragma to identify subs that override PMC vtable methods,
1462 eliminating the need for special subroutine names
1463 + PIR parser/compiler does not stop on first syntax error
1464 + Vanilla register allocator ("register alligator") greatly improves
1465 performance compiling large functions
1466 + Eliminated limit on number of PIR macros
1468 + hash lookups return null instead of None for missing keys
1470 + PDD13 "Bytecode files: format and manipulation" - new
1471 + PDD10 "Embedding" - new
1472 + PDD25 "Concurrency" - rewritten
1473 + PDD15 "Objects" - new section on redesign requirements
1474 + PDD07 "Coding standards" - significant updates and automated tests
1476 + Many many more new tests
1478 + autoconf compatible install options
1480 + Namespace refinements
1481 + Coroutine improvements
1482 + An impressive swarm of other bugfixes and enhancements
1486 - New languages: Ruby ("Cardinal"), Javascript ("ecmascript")
1487 - Updated languages: Tcl, dotnet, bc, Pheme, Punie, WMLScript
1488 - Updated compilers: PGE, TGE
1490 + ".loadlib" directive expresses dependencies
1491 + ".namespace" with no parameter goes to HLL root
1492 + lexer is reentrant (reentrant grammar in progress)
1493 - Namespace improvements:
1494 + new suite of opcodes to access namespaces and globals
1495 ("find_global" and "store_global" will be phased out)
1496 + namespace '' no longer means HLL root
1497 - Design document updates:
1498 namespaces (pdd23), basic types (pdd17), embedding
1499 - Updated tool requirements for developers:
1500 flex 2.5.33, bison 2.1, perl 5.6.1
1501 - New to-do list for people new to Parrot:
1503 - The usual plethora of bugfixes and enhancements
1507 - unicode subroutine names
1508 - hierarchical class names finished including MMD support
1509 - new dotnet CLI to PIR translator
1510 - improved TGE code and compiler
1511 - APL: vector handling
1512 - new STM branch in the svn repository
1513 - the usual bugfixes and enhancements
1517 - hierarchical class names
1520 - understands simple vector ops, strings
1521 - demonstrates use of Unicode in Parrot
1522 - pgc, a compiler for rules and operator precedence parsers
1523 - Major redesign and improvements for PGE
1524 - compilers understand named parameter options
1525 - :ratchet option implemented to support non-backtracking quantifiers
1526 - TGE (tree grammar engine) for tree transformations
1527 - tgc, tree grammar compiler
1529 - support for many operators, lexical scalars, regex matches
1530 - new pheme (Parrot scheme) compiler
1534 - namespaces partially implemented
1535 - rulec, Perl 6 rule compiler
1536 - PGE improvements including return values for closure
1537 - parts of a Perl 6 parser based on PGE
1538 - complex trigonometric methods
1539 - type of Sub PMC is now overridable by HLL
1541 - many bug fixes and improvements
1545 - improved PPC and x86 JIT support including JIT compilation
1546 of very simple PASM/PIR subroutines
1547 - preliminary libreadline support
1548 - better trace and debug features
1550 - META.yml to support proper indexing on CPAN
1551 - new opcode: hcf (in "my_ops" in dynamic op library)
1552 - new File pmc for file specific ops (is_dir, is_file, copy, rename...)
1553 - named arguments and parameters (both :named("") and => syntaxes)
1554 - ongoing config improvements
1555 - tons of bug fixes and other small improvements - too much to list all
1559 - Installation: 'make install' is using standard locations now
1560 (/usr/local is the default --prefix)
1561 - Produce static and shared libraries on some systems
1562 - Configure system rearragement
1563 - OS pmc started (mkdir,cd,cwd,rm,umask,stat)
1565 - Test files are now testable with 'prove'
1566 - Smoke (and smokej) outputs progress
1567 - PIR supports: I = A < B (>,<=,>=,==,!=)
1568 - Add support for octal number constants
1570 - almost finish [string]; start [file]
1571 - add build tool for generating inline'd tcl builtins from templates.
1572 - Jako updates: NCI, subroutines, global variables and constants all work.
1577 - New lexical handling and closure support including better
1578 introspection for caller and outer
1579 - PGE (Parrot Grammar Engine) provides now compilers for P6Rule,
1580 P6Grammar, P5Regexp, and Glob
1581 - ca. 1000 new tests including 800 for Perl5 regexp
1582 - Improved unicode charset and encoding support
1583 - Calling conventions for exception handlers
1584 - Punie (Perl 1) uses TGE (Tree Grammar Engine) to convert from
1585 PGE match objects to AST via two steps of tree transformation grammars
1586 - New languages: amber and lua
1587 - The usual code fixes, cleanup, and improvements, including an overhaul
1588 of the config and test framework
1592 - Variable sized register frames are finished. Each subroutine gets
1593 the amount of registers that it actually needs. No more spilling.
1594 - Vastly improved PGE (Parrot Grammar Engine) including shift-reduce,
1595 precedence-based expression parser and support for matching of
1596 bracketed text delimited by e.g. ()[]{}'"
1597 - uniccode character classification (is_upper ...)
1598 - support for heredoc syntax in assembler
1599 - improved examples, basic JSON support
1600 - debian packaging support
1601 - the usual improvements, bug fixes, and cleanup
1602 - test count exceeds 3000
1606 - New calling conventions implemented: see PDD03 for details
1607 - Merge multiple Parrot bytecode (PBC) files into a singe PBC file
1608 - 'make smoke' target going beta
1609 - bc now supports if statements, comparison ops, prefix inc/dec
1610 - ParTcl adds [lassign], [switch] (partially); [expr] converted to a compiler
1611 - Many exciting doc updates, tests, and bugfixes, too numerous to mention
1615 - Dynamic classes now compile on Windows (including ParTcl)
1616 - New Super PMC allows easy access to superclass methods
1617 - Implement C3 method resolution order (just like Perl 6 & Python)
1618 - ParTcl has new PIR-based parser and passes more Tcl tests
1619 - added character class support in Globs to PGE
1620 - added language implementations of unlambda, Lazy-k
1621 - many bugfixes, including GC and memory leaks
1622 - the new calling scheme continued to evolve in branches/leo-ctx5
1626 - new call scheme: docs/pdds/pdd03_calling_conventions.pod
1627 - partial implementation of the new calling conventions
1628 PASM only, don't mix PIR foo() call syntax with the new scheme
1629 - grammar and rule support in PGE - the Parrot Grammar Engine
1630 - TCL passes >10% of the tcl test suite
1631 - the usual bugfixes and improvements
1635 - better HLL support (short names for object attributes, and
1636 .HLL and n_operators pragmas)
1637 - string encoding and charset can now be set independently
1638 - experimental mmap IO layer for slurping files
1639 - distinct debug and trace flag settings
1640 - glob support in PGE
1641 - new character classification opcodes and interfaces
1645 - parrot repository is now under subversion
1646 - MMD (Multi Method Dispatch) enhanced
1647 - new unary and infix opcodes that return new result PMCs
1648 - dynamic scalar PMCs inherit now almost all from Parrot core PMCs
1649 - more unification of PMCs and ParrotObjects
1650 - tailcalls for functions and methods
1651 - PGE (Parrot Grammar Engine) reworked
1652 - Pugs creates Parrot code and Pugs is a registered compiler now
1653 - new languages/lisp
1654 - the usual bug fixes and improvements
1658 - New string handling code. Strings now have charset and encoding
1659 - Parts of a generation garbage collector
1660 - Better Python code, separated in dynclasses
1661 - Parrot Grammar Engine
1662 - Improved test coverage and documentation
1666 Parrot 0.1.1 is an intermediate release with tons of updates and fixes.
1667 - Python support: Parrot runs 4/7 of the pie-thon test suite
1668 - Better OS support: more platforms, compiler, OS functions
1669 - Improved PIR syntax for method calls and <op>= assignment
1670 - Dynamic loading reworked including a "make install" target
1671 - MMD - multi method dispatch for binary vtable methods
1672 - Library improvement and cleanup
1673 - BigInt, Complex, *Array, Slice, Enumerate, None PMC classes
1674 - IA64 and hppa JIT support
1675 - Tons of fixes, improvements, new tests, and documentation updates.
1676 A lot is unfinished and keeps changing. Nethertheless Parrot is stable
1677 and usable at the surface, while internals are moving.
1680 - "Ladies and gentlemen, I give you... objects!"
1681 - Huge documentation overhaul
1682 - More supported platforms, s. PLATFORMS
1683 - Basic thread support for pthread based architectures
1684 - Basic event handling for timers and signals including:
1685 - PASM callbacks for NCI (native C) functions.
1686 - Improved platform configuration
1687 - COW stacks now working, stacks code redone
1688 - Structure handling vastly improved
1689 - Random PMC and rand primitives
1690 - Better subroutine call syntax in PIR
1691 - Make PIR subroutines compliant with pdd03
1692 - Improved profiling (DOD, GC timings)
1693 - Hash code improvements, incl. random key order support
1694 - Experimental freeze/thaw code for some PMC types
1695 - IO improvements for buffered layer and Win32
1697 - String bitwise vtables
1699 - Support for JIT, where malloced memory isn't executable
1700 - Priority DOD scheme for objects that need timely destruction
1701 - Improved byte code loading (e.g. onLoad functions)
1702 - Language updates: forth, Perl 6/P6C, m4
1703 - Libraries: Getopt_Long, SDL, Dumper, Sort
1705 - Unified imcc and parrot test handling
1706 - Many new tests (make test reports 1386 tests)
1707 - Numerous bug fixes
1710 - The Big Move: Parrot source and build files rearranged into sub dirs
1711 - Build imcc as parrot
1712 - Objects more finished
1713 - Delegate vtable methods to byte code
1714 - Binary multi-method dispatching
1715 - Isa and does methods for PMCs
1716 - Call byte code from C
1717 - Start of extension interface
1718 - Experimental struct handling
1719 - Catch access to NULL PMCs
1720 - Experimental network socket interface code and opcodes
1721 - IO fixes and improvements
1722 - Dynamic opcode libraries
1723 - Fix-assigned opcode numbers
1724 - Argument flattening for function calls
1725 - More native call interface (NCI) signatures
1726 - Ncurses, postgres, and pcre interface libraries
1727 - Forth language is vastly improved
1728 - BSD and Win32 build improvements
1729 - Many new tests and fixes
1732 - This number intentionally left blank
1736 - Dynamic PMC registration
1737 - Trial exception system
1738 - Beginnings of object system
1741 - I/O system improvements
1743 - Documentation for basic PMC types
1744 - IMCC support of Parrot Calling Conventions
1745 - Runtime loading of chartypes (and other string improvements)
1746 - Conditional breakpoints
1747 - Dramatically accelerated sweeps for finalizable objects
1748 - Small PMCs (PMCs split into core and extensions)
1749 - Loadable bytecode packfiles
1751 - Sub variants that deal with the stack correctly
1752 - Switched runops core
1753 - Line numbers in warnings
1754 - Environment access
1755 - Many documentation cleanups
1756 - Conversion to CPS style!
1757 - BASIC debugger and many other wacky features
1758 - Filename, line number parsing support in IMCC
1763 - some more benchmarking
1765 - optimized math ops
1766 - intersegment branches
1767 - more complete use of PObjs
1768 - beefed up packfiles
1769 - sub/continuation/coroutine fixes
1770 - better NCI (native calling interface)
1771 - many imcc improvements
1776 - Native function calling interface (Dan)
1777 - Stack/list aggregate rewrite (Leo)
1778 - Scratchpads (Jonathan Sillito)
1779 - Preliminary DotGNU support -- type conversion ops (Gopal V + Leo)
1780 - Buffer/PMC unification (Leo)
1781 - stabs debugging support for JIT (Leo)
1782 - Jako overhaul (Gregor)
1783 - Optional Lea allocator (Leo)
1784 - Parrot sprintf (Brent)
1786 - PMC Properties (Dan)
1787 - Various JIT improvements (D. Grunblatt + Leo)
1788 - Extensible packfiles (Juergen)
1789 - Restructured PMC hierarchy (Leo)
1790 - Real Scheme (Juergen)
1794 - Several new grammars and a BNF -> perl5 and perl6 converter (Jeff)
1795 - Working Perl 6 REs (Sean)
1796 - Keyed Access (Tom Hughes et al)
1797 - New PMCs (Alberto et al)
1798 - Better Documentation
1800 - GC acceleration (Mike Lambert)
1801 - Lexical scope (Jonathan Sillito)
1807 - Perl 6 Grammar and Compiler (Sean)
1808 - Subroutines, coroutines, and continuations (Melvin)
1809 - GC improvements (Peter Gibbs, Mike Lambert)
1810 - Global variables (Melvin)
1811 - Intermediate bytecode compiler (Melvin, Angel)
1812 - And much, much more.
1816 - New assembler that support keyed types (Jeff)
1817 - New macro layer, allowing constants (Jeff)
1818 - New Configure.pl (Brent)
1819 - Changes to bytecode format, endian issues resolved (Melvin)
1820 - GC improvements and bug fixes (Peter Gibbs, Mike Lambert)
1821 - JIT compiler rewrite (Jason and Daniel)
1822 - Parrot assembler in Parrot (Daniel)
1823 - Parrot debugger (Daniel)
1824 - BASIC polished, Eliza.bas is new (Clint)
1825 - Cola compiler committed and working, with limited OOP (Melvin)
1826 - Keyed aggregates (Steve Fink)
1827 - Global ops (Melvin)
1828 - Compile-time speedup (Melvin)
1829 - Much documentation
1831 - Contributed tetris and lzw files
1832 - And many more, from the cast of thousands
1837 - Perl Scalar support in PMCs
1838 - Array and Hash types almost ready for prime-time
1839 - Internal support for keyed types
1840 - EMACS editing mode
1842 - New Language - BASIC
1843 - Regular expression compiler
1845 - Many, many bug fixes, enhancements, and speedups
1849 - Arena-based memory allocation system
1852 - "Predereferencing" mode - ./parrot -P - 22% speedup
1853 - JIT compiler - ./parrot -j
1854 - Parrot now builds warnings-clean on many platforms
1855 - Many more PMC methods implemented
1856 - Regular expression operations
1858 - Basic support for embedding Parrot in other programs
1860 - Added PDDs to distribution
1864 - Added an assembly optimizer
1865 - Improved string encoding/type support
1867 - Source reformatting
1868 - Major refactoring in packfile library
1869 - More Miniperl functionality
1870 - New PMC "clone" operator
1871 - Beginnings of key-based access to PMCs - arrays and hashes
1872 - MOPS comparisons in examples/mops/
1877 - Perl base scalar types implemented
1878 - A new minilanguage, Scheme
1879 - Much improved documentation
1880 - Register stacks pushing and popping
1881 - User stack pushing, popping and rotating
1882 - Jako updates: subroutines, more example programs, optimizations
1883 - test_prog renamed to 'parrot'
1885 - Added features to the assembler: @ for current location, and global
1887 - Build tweaks for VMS
1888 - Bytecode typing clean-ups
1889 - More platforms: OS X, HPUX, OS/2
1890 - The proliferation of runops cores reduced to one fast and one slow one
1891 - Opcode tracing, bounds checking, profiling
1892 - Vastly improved string support, with separation of encoding and
1895 - Multiple interpreter creation support - the beginnings of threading
1896 - Much better resource handling - the beginnings of GC
1900 - Parrot now works on all core platforms
1901 - A large number of tests, in the standard Perl testing framework
1902 - A new minilanguage (Jako) which compiles to Parrot assembly
1903 - Documentation about the assembly language (docs/parrot_assembly.pod)
1905 - Separate modules for assembly (Parrot::Assemble) and bytecode
1906 manipulation (Parrot::PackFile::*, packfile.c)
1907 - Assembler completely rewritten
1908 - Better operand-type guessing in the assembler
1909 - Assembler support for '\n' etc. in string constants
1910 - Code reformatted to match the coding standards
1911 - New ops for register-constant INTEGER comparisons
1912 - Macro expansion in the assembler
1913 - IVs and NVs renamed to more friendly INTVAL and NUMVAL
1914 - Hard-coded pack("") formats removed
1915 - Better handling of floating-point numbers in assembler
1916 - Moved floats to constant table (fixing many alignment issues)