9 - Realized deprecations
11 + The following tests were translated from Perl to PIR :
12 t/pmc/bigint.t, t/compilers/pge/04-compile.t, t/compilers/pge/02-match.t,
13 t/compilers/json/from_parrot.t, t/library/protoobject.t, t/library/uuid.t,
14 t/library/md5.t, t/library/mt19937ar.t
17 + A version of pprof2cg was written in NQP
22 + The FileHandle PMC now exposes the exit code of child process that was run as pipe.
23 + Experimental support for overriding VTABLE invoke in PIR objects was added.
24 + The method 'type' was added to the PackfileAnnotations PMC.
25 + The internals of the parrot calling conventions, PCC, were reworked.
26 All call paths now use a CallSignature object for passing arguments and return values.
27 + The new API-function 'Parrot_ext_call' was added for calling into C-land.
28 + The fixed-size allocator was improved.
29 + The files installed by 'make install-dev' are now covered by 'make install' as well.
30 + The experimental ops 'fetch' and 'vivify' were added.
31 + The -I option to the command 'parrot' now prepends items to the search path.
32 + The Context struct was substituted with auto attributes (context_auto_attrs branch).
33 + Use the osname determined in auto::arch in subsequent configuration steps (convert_OSNAME branch).
34 + Eliminated dependence on Perl 5 '%Config' in auto::format (auto_format_no_Config branch).
35 + MultiSub PMCs now stringify to the name of their first candidate,
36 instead of the number of candidates.
37 + The platform detection at the start of the configuration process was improved.
38 + The 'lineof' method on CodeString objects now precomputes line number information
39 to be more efficient on variable-width encoded strings.
40 + P6object now supports .WHO and .WHERE methods on protoobjects.
42 + A shiny new self-hosting implementation of NQP has been added in ext/nqp-rx.
43 - New NQP available as nqp-rx.pbc or parrot-nqp fakecutable.
44 - NQP includes direct support for grammars and regexes, including protoregexes.
45 - NQP has a new PAST-based regex engine (intended to replace PGE).
46 - Regexes may contain code assertions, parameters, lexical declarations, and more.
47 - Double-quoted strings now interpolate scalar variables and closures.
48 - Subroutine declarations are now lexical by default.
50 - PAST::Block now supports an 'nsentry' attribute.
51 - PAST::Var allows 'contextual' scope.
52 - Attribute bindings now return the bound value.
54 + Fixes for the port of Parrot to RTEMS were applied. Yay, first port to a real time OS!
55 + On NetBSD, shared libs are now used.
57 + Use the the fixed-sized allocator in the Context and the CallSignature PMC.
58 + Many small speed improvements.
60 + MT19937, the Mersenne twisted pseudorandom number generator, is now hosted on github and
61 will be removed from the Parrot core. (eligible in 2.1)
62 + The 'Parrot_call_*' functions for invoking a sub/method object from C are
63 deprecated. They are replaced by 'Parrot_ext_call'. (eligible in 2.1)
64 + All bitwise VTABLE functions are deprecated. (eligible in 2.1)
65 + All bitwise ops will become dynops. (eligible in 2.1)
66 - Realized deprecations
67 + The slice VTABLE entry was removed.
68 + The last traces of the 'malloc' garbage collector were removed.
69 + Parrot_pcc_constants() was renamed to Parrot_pcc_get_constants().
70 + The deprecated functions from the Embedding/Extension interface were removed.
71 + The library YAML/Parser/Syck.pir was removed.
72 + The VTABLE function instantiate_str() was removed.
73 + Building of parrot_nqp was removed.
75 + The test coverage of the time-related ops was much improved.
76 + New testing functions in Test::More: lives_ok() and dies_ok().
77 + The Perl 5 based test scripts t/op/bitwise.t, t/op/comp.t, t/op/inf_nan.t,
78 t/op/literal.t, t/op/number.t, t/op/sprintf2.t, and t/op/00ff-dos.t were converted to PIR.
79 + The test scripts t/op/annotate.t and t/op/time.t have begun
80 to be translated from Perl 5 to PIR.
81 + In some tests the dependency on %Config from Perl 5 was eliminated.
83 + The meaning of 'p' means in NCI function call signatures was clarified.
85 + The stub for a new language, as created by mk_language_shell.pl,
86 now relies on the PIR-based tools, which are replacing the Perl 5-based tools.
87 + The library Configure.pir was added.
88 + The library distutils.pir was added.
90 + The mailing list parrot-users and a corresponding google group was created,
91 http://groups.google.com/group/parrot-users.
92 + Many bugfixes, code cleanups, and coding standard fixes.
96 + Parrot_capture_lex has been added to the PARROT_EXPORT API
97 + PARROT_MAX_ARGS has been increased from 8 to 16 to allow for ops that take more than 8 args
99 + The profiling runcore now caches metadata for improved performance
100 - Maintenance and cleanup
101 + Expanded the Parrot debugger documentation
102 + Parrot debugger now uses the new Parrot STRING API
103 + Continue to port rest of internals to use the STRING API
105 + The JIT subsystem has been removed and is being written from the ground up. More
106 information can be found at https://trac.parrot.org/parrot/wiki/JITRewrite
107 + Implicit optional named parameters (eligible in 2.1)
108 + Continuation-based ExceptionHandlers (eligible in 2.1)
109 + Use of undocumented variables in class_init (eligible in 2.1)
110 + Parrot_oo_get_namespace (eligible in 2.1)
112 + Improved line number tracking in IMCC
114 + Converted many more Perl 5 tests to PIR
115 + Expanded test coverage of the CallSignature, Namespace, FixedPMCArray,
116 ResizeableIntegerArray and ExceptionHandler PMCs
120 + Added a fixed-size structure allocator to the Garbage Collector
121 + Added a "lazy" mode to the PObj and Fixed-Size memory allocators
122 + Added a profiling runcore, which generates Callgrind-compatible output
123 + Added lexical subsystem opcodes: find_dynamic_lex, store_dynamic_lex
124 + Converted Contexts to garbage-collectable PMC structures
125 + Created a new Context API
126 + Enhanced the PMC allocator to automatically allocate ATTR structures
128 + Optimized opcodes to cache the current Context for subsequent lookups
129 + Reduced string comparisons in VTABLE_isa
130 - Maintenance and cleanup
131 + Began proper encapsulation of STRING API
132 + Unified all PMC destruction functions
133 + Unified Continuation PMC and Parrot_cont structure
134 + Unified Sub PMC and Parrot_sub structure
135 + Removed PMC_EXT structure
136 + Removed PMC_Sync from PMC
137 + Removed UnionVal from PMC structure
139 + Fixed several stack-walking bugs in Garbage Collector code
140 + Fixed bug when copying a NULL STRING, now returns empty STRING struct
142 + Converted several Perl5 tests to PIR
143 + Expanded test coverage of NameSpace PMC
145 + Made Parrot Compiler Toolkit available in the base install
149 + Removed several deprecated functions and features
150 + Removed bsr, jsr, branch_cs, and ret opcodes
151 + Removed global stacks system
152 + Changed OPS file format to include explicit preamble
153 + Changed all "new 'Iterator'" instructions into 'iter' instructions
154 + Removed Configure.pl options for specifying non-working GC cores
155 + Removed unexecuting code as found by Coverity
156 + Improvements to the Parrot Debugger
157 + Added experimental fixed-size structure allocator to the GC
158 + Added experimental lazy arena allocation to the GC
159 + Refactored hashes, keys, and iterators
160 + Added "corevm" make target to build Parrot without all the supporting libraries
161 + Removed Random PMC type and added in a "rand" dynop
162 + Optimization and Improvements to the NCI thunk generator
163 + New include file libpaths.pasm
165 + Multiple .local with same name and different type is now an error on IMCC.
167 + Improved support for detecting Fink and Macports
168 + Updated search directories for libraries
170 + "Parrot Developers Guide: PIR" released to publisher and available to purchase
171 + Improved documentation about Parrot Debugger
172 + Update PGE Documentation
174 + Deprecate 'PASM1' compiler object, update to warn instead of segfault
176 + Fixes to code, documentation, and standards
180 + Key and Iterator refactor
181 + Major pbc_to_exe generated code speed improvement
182 + New "Infinite Memory" GC core for demonstration purposes
183 + gc_debug runcore and GC-related heisenbug fixes
184 + Elimination of variable expansion in parrot_config
185 + CLI arguments are processed as Unicode by default
186 + Substantial optimizations in NCI
187 + Parrot builds on Win64
188 + Hashes can use native types as keys and values
189 + Fixed installed pbc_to_exe
190 + Simplification of PMC generation code
191 + Improved GC encapsulation and API documentation
193 + List of candidates for embedding API (docs/embed.pod)
194 + PIR book sent to publisher
196 + Several conversions of Perl test to pure PIR.
197 + C indentation coding standards test improvement
198 + Improved test coverage of example code
200 + Removal of PGE rules: <null> <fail> <sp> <lt> <gt> <dot>
201 + Removal of PGE methods: .text .item .result_object
202 + Deprecation of most dynops
204 + Beginnings of OpenGL::Math library; OpenGL bindings and library marked experimental
205 + Localizing and consting fixes
206 + Many memory and thread-related leaks plugged
210 + Optimized parts of the IO system
211 + Fixed inheritance hierarchy of FileHandle and Socket PMC types
212 + Fixed leaks involving subroutines and Parrot_Context
213 + Cleaned up and refactored GC internals, including fixes and optimizations
214 + Optimized PMC class manipulations to use type numbers instead of string names
215 + Fixed problems involving hashval calculations in strings
216 + Removed unnecessary MULTI dispatches in built-in PMCs
217 + Fixed memory leaks involving PMCs that were not properly destroyed
218 + Fixed creation of PMCProxy PMCs in correct namespaces
219 + Added preliminary Pipe support
220 + Fixed cloning of Object PMCs
221 + Added root_new opcode
222 + Added initial versions of Packfile PMCs with read/write capabilities
224 + Fixed several memory leaks in IMCC
225 + Updated PCT to use root_new opcode
226 + Added support for keyword "self" in NQP
228 + Improved and expanded /docs/book
229 + Updated project documentation
230 + Defined 'experimental' status and procedures in DEPRECATED.pod
232 + Cleaned code and improved code-level documentation
233 + Various bugfixes, code cleanups, and coding standard fixes
234 + Added an experimental compiler library to help use PIR libraries from HLLs
235 + Updated OpenGL library and examples to support experimental HLL import
239 + Fixes for pir classes inheriting from core pmcs.
240 + Cleaned up headers and reorganized some sources into subsystem directories.
241 + Clean up PMCs so libparrot.so exports far fewer vtable/method symbols.
242 + Clean up the GC API.
243 + Several unicode identifier improvements in IMCC.
245 + Protoobject stringification is gone.
247 + Rewrite several core documents.
248 + Many reworks, improvements & additions to the Parrot Book.
249 + Installation PDD is launched out of draft.
251 + Fixes for running the language shell generator outside the parrot tree.
252 + Several fixes for developing and building HLLs from an installed parrot.
253 + Configure.pl now has a --no-line-directives option to ease source level debugging.
255 + Portability updates for macports, netbsd, mingw32, hpux.
256 + Several (build time, runtime) performance improvements.
257 + Lots of updates to examples and tests.
258 + Various bugfixes, code cleanups, and coding standard fixes.
262 + Added op: load_language, find_caller_lex
263 + Socket IO are back as PMC
264 + Refactor some PMC: Hash, ManagedStruct
268 - Allow \x, \c, and \o in enumerated character classes (incl ranges)
269 - Add initial greedy-only version of ** <exp> quantifier
271 - Add HLL source line bytecode annotations
272 - Add another dumper format to assist syntax highlighters
273 - Revise mk_language_shell.pl to updated create_language.pl
275 + Removed ops: gcd, exec, classname, need_finalize, runinterp, substr_r
276 + Removed dynamic op: mul
277 + Removed .HLL_map directive; use interp's .hll_map() instead
278 + Removed PMCs: slice, bound_nci, ref
279 + Removed Configure.pl option: --pmc
280 + Removed PMC union struct
283 - Reorganization and many improvements & additions
285 + Add a parrot-fuzzer
287 + Improve Debian/Ubuntu package
288 + various bugfixes, code cleanups, and coding standard fixes
293 + New user documentation for exceptions.
294 + Updates to Chapters 4 & 5 of the Parrot book.
295 + Improved and expanded generated HTML documentation, as the input for
296 http://docs.parrot.org.
297 + Added Compiled HTML Help (.chm) version of documentation.
298 + Cleanups and fixes.
301 - left the nest and is now at http://pynie.googlecode.com/
303 - left the nest and is now at http://github.com/cardinal
305 - left the nest and is now at http://paraplegic.googlecode.com/
306 + ABC, Squaak, and Befunge moved to examples/.
307 + All remaining languages moved to https://svn.parrot.org/languages/
309 + Support for language builds from an installed Parrot.
310 + Expanded language shell generator for new languages.
311 + 'parrotbug' utility repurposed for the Trac interface.
313 + Removed deprecated Tqueue and Closure PMCs.
314 + String, Key, NCI, LexPad, Iterator, Sub, Continuation, RetContinuation,
315 ExceptionHandler, ParrotLibrary, ParrotInterpreter, ParrotThread,
316 ParrotRunningThread, Rational, FixedPMCArray, ResizablePMCArray, and
317 GDBMHash PMCs now use declared attributes (ATTR), in place of the
323 + Support for portable 'Inf', 'NaN' and -0.0
324 + pbc_disassemble prints constants in constants table
325 + New experimental BigNum implementation
326 + Pair is now a dynamic loadable PMC
327 + Various function name sanification
328 + New implementation of Strings component
329 + Replace various PMC value union access code by VTABLE method invocations
330 + Replace various PMC value unions by ATTRibutes
331 + Removed SArray PMC. Use FixedPMCArray instead.
334 - updates to Chapter 2 (getting started)
335 - updates to Chapter 3 (PIR basics)
336 - updates to Chapter 4 (PIR subroutines)
337 - updates to Chapter 10 (HLLs)
338 - updates to Chapter 12 (opcodes)
339 + Function documentation
340 + Pod documentation style modernized; no longer Perl 5 style.
341 + PMC has an additional acronym: Poly Morphic Container
342 + The DOD (Dead Object Detection) acronym is no longer used;
343 use 'GC' to refer to the Garbage Collector component.
346 - :named flag can now take string registers as argument
347 - A single '=cut' directive is now ignored (without initial Pod directive)
348 - :vtable subs now have proper access to 'self' pseudo variable
350 + add new 'Pod' documentation parser
351 + Pipp (PHP implementation):
352 - Pipp is now at http://github.com/bschmalhofer/pipp
353 - support for 'print', 'dirname', 'implode', 'str_replace',
354 - various grammar fixes
356 + add 'quit', 'readline' builtins
357 + fix 'Boolean' type and 'print' builtin
359 - left the nest and is now at http://github.com/fperrad/lua/
361 - left the nest and is now at http://github.com/rakudo/rakudo/
362 - build instructions can be found at http://tinyurl.com/rakudo
364 - left the nest and is now at http://github.com/bschmalhofer/lazy-k.git
366 - left the nest and is now at http://github.com/bschmalhofer/unlambda/
368 - left the nest and is now at http://github.com/fperrad/wmlscript.git
369 + removed Zcode implementation
372 - ATTRs are now inherited automatically in subclassing PMCs
374 + Parrot_readbc, Parrot_loadbc renamed to Parrot_pbc_read, Parrot_pbc_load.
375 + .HLL_map directive in favour of 'hll_map' method on Parrot interpreter
376 + Data::Escape library
378 + pbc_disassemble options added
379 + pbc_dump renamed from pdump
381 + Parrot is now Copyright Parrot Foundation
382 + Parrot's SVN repository is now hosted at https://svn.parrot.org
383 + Various code cleanups, consting, 64-bit incompatibilities and other bug fixes
386 New in January 2009 release (0.9.0)
388 + Implemented bytecode annotations
389 + Role composition is now aware of multi-subs
390 + Unbuffered IO PMCs now autopromote when buffering is necessary
391 + Installation parrot binary and libparrot shared library now supported
392 + Class registry now respects HLLs
395 - removed keyed string indexing, e.g. $S0[1].
396 - removed slice syntax, e.g. $P0[1..2]
397 - removed .namespace <ident>/.endnamespace <ident> pair
398 - fixed 'new $P0, [classname]' syntax
400 - refactoring of various data structures
401 - various bug fixes and updates
402 - complete bytecode generation
403 - add '-x' commandline option to run compiled code
405 - add 'hll' and 'subid' attributes to PAST::Block
406 - refactor loop handling code to handle last/redo/next
407 - add :pasttype('stmts') and :pasttype('null')
408 - improve "scope not found" error message
409 - allow PAST::Val nodes to contain block references
411 - add "skipkey" option to PGE::OPTable
412 - allow spaces before modifiers in regexes
413 - add '(' ~ ')' goal matching syntax
414 - skip creating a class/grammar if it already exists
417 - improved error mesages in multi dispatch
418 - implemented clone method for all objects
419 - implemented MAIN sub
420 - Unicode versions of infix hyper operators
421 - refactored IO.readline
422 - basic support for Inf and NaN
423 - list and array slices with whatever star
425 - implemented last and redo
426 - pointy blocks as terms
427 - refactored variable and parameter passing
428 - improved assignment semantics
429 - improved parsing of type names and subs
430 - mostly implemented parametric roles
431 - separate types for blocks, subs and methods
432 - basic support for submethods
433 - implemented Junction autothreading of user code (not builtins yet)
434 - eval supports :lang attribute
435 - proto makes other subs in scope multis, including in role composition
437 - back to working state
440 - add support for predefined constant __CLASS__ and __METHOD__
441 - add initial support for static members
442 - add support for namespaced constants
443 - constants are now handled as package vars
444 - variables are now lexical variables
445 - add support for superglobals in functions
446 - Call the class __constructor when there is one
447 - added incomplete support for closures
448 - removed support for the alternative parsing strategies
449 - added support for 'elsif'
450 - added support for 'do-while'
452 - left the nest and is now at https://github.com/bschmalhofer/hq9plus/
454 - left the nest and is now at http://github.com/bschmalhofer/eclectus/
456 - left the nest and is now at http://github.com/bschmalhofer/m4/
458 - add a minimalist user back trace
460 - "does" and "morph" VTABLE interfaces are now overridable from PIR
463 - 'make smoke' now generates Smolder reports sent to
464 http://smolder.plusthree.com/app/public_projects/smoke_reports/8
465 + Improved const and null correctness for C function parameters
466 + Sped up STRING manipulation (append, chop), improving PGE about 30%
468 - Added sections about Classes, OO programming, and methods.
469 - Added information about Annotations, Exceptions, and Handlers
471 - Removed non-functional STM subsystem
476 + fixed lexical semantics
477 + added the 'capture_lex' opcode
478 + added automatic resume for nonfatal exceptions
479 + added multidispatch cache
480 + applied miscellaneous performance improvements, including startup time
481 + fixed several bugs and leaks found by Coverity Scan
482 + removed race conditions from parallel testing
485 - removed undocumented .param int <stringc> => <ident> syntax
486 - .line directive now only takes an integer argument
487 - new .file directive to specify the file name being compiled
489 - properly handles lexical generation and closure semantics
490 - uses :subid instead of name lookups to reference PAST::Block nodes
491 - added PAST::Control node type (exception handlers)
493 - add support for <?{{...}}> and <!{{...}}> assertions
494 - Match objects use Capture PMC instead of Capture_PIR
496 - add macro handling to PASM mode
497 - disable vanilla register allocation in PASM mode, but do allow optimization
498 - add tests and bug fixes
499 - first bits of bytecode generation. No sub calling/returning yet.
502 - fixed lexical handling and recursion
503 - refactored subtypes implementation
504 - support for quotes with multi-character delimiters
505 - implemented list slices (Positional role)
507 - reduction meta operators
508 - hyper meta operators
509 - cross meta operators
510 - more builtin functions
512 - basic support for protos
513 - iterator on filehandle objects
514 - basic support for exception handlers
517 - added complex & mathx libraries
518 - merged LuaClosure & LuaFunction PMC
520 - added support for a return value from user defined functions
521 - added incomplete implemention of 'require_once'
523 - parser fixes, parses spidermonkey's top level test/shell.js
525 + PARROT_API is now PARROT_EXPORT
527 - :lexid is now :subid
528 - .arg is now .set_arg
529 - .result is now .get_result
530 - .yield (in .begin/end_yield) is now .set_yield
531 - .return (in .begin/end_return) is now .set_return
532 - .namespace x / .endnamespace x syntax is removed
533 + Capture_PIR (runtime/parrot/library/Parrot/Capture_PIR.pir)
537 + added CPAN module Storable 2.12 as a configuration and build dependency
538 + removed the pseudo PIR opcode 'addr'
539 + added the 'box' opcode
540 + fixed 'pop_eh' handling in PIR libraries and examples
541 + removed usage of .return for tailcalls (use .tailcall instead)
542 + removed 'get_hash' and 'get_array' from Capture PMC and Capture_PIR
543 + improved debugger and HLL coordination
544 + allowed MMD primitive autoboxing
545 + fixed all known memory leaks in PIR "Hello, world!"
546 + NCI signatures now JITted on x86-32 platforms (Windows and Linux)
547 + made the .const directive take a quoted type name instead of a constant
548 + made IMCC more re-entrant
551 - refactored Junctions implementation
552 - added "fire and forget" tool to rebase/rebuild/test Parrot and Rakudo
553 - updated container/reference semantics
554 - added more builtin methods and functions
555 - improved support for multilevel namespaces
556 - added support for .Str, .succ, .pred in user-defined classes
557 - implemented pointy blocks on if/loops
558 - increased STD.pm convergence
560 - improved MMD candidate sorting
561 - improved integration of Num and Int
562 - implemented increment on protoobjects
563 - added initial support for MAIN subs
564 - added .PARROT method
566 - added some predefined constants
567 - added implemention of the function basename()
569 - Added initial support for the classes Proc, Continuation, Queue, Dir, File, and FileStat
570 - fixed various minor bugs
571 - fixed broken Regexes
574 - added '.isa' method to PCT::Node
575 - cleaned up 'immediate block' handling
576 - allowed arguments to immediate blocks in loops/conditionals
577 - metaclass objects can now 'add_method'
579 - integrated macro processing in PIRC's lexer
580 - integrated heredoc lexer in PIRC executable
581 - added preprocess and heredoc-preprocess commandline options
582 - integrated the PASM grammar into PIRC
583 - added a register allocator to optimize the built-in vanilla allocator
584 - code cleanups and documentation
585 - added 'make test' target
587 - updated to work with new namespace/classname syntax
589 + PARROT_API will become PARROT_EXPORT
590 + :lexid will become :subid
593 - updates and additions to the Parrot book (see docs/book/)
595 - minor fixes to Parrot's base OpenGL bindings
596 - converted OpenGL PIR examples to Perl 6 (two complete, one WIP)
597 - added simplified OpenGL PIR example for NCI JIT testing
599 - further improvements to parallel tests
600 - tests no longer leave filesystem breadcrumbs
601 - more thorough testing of Parrot::Test itself
605 + float precision expanded to 15 significant digits from 6
606 + large integers autopromoted in PIR so as not to lose precision
607 + improved precision of complex square root
608 + exception handlers can register types of exceptions they catch
611 - implemented gather, take, and yield builtins
612 - Range, Time, Math, GC, Kernel classes
614 - added a new committer
615 + Markdown : new lightweight markup language
616 - start implementation with PCT/NQP
618 - Moved to its own repository: http://code.google.com/p/partcl/
620 - split() works with regexes
621 - implemented Str.comb
622 - ord() and chr() builtins
623 - improved parsing of literal numbers
624 - support for hyphens and dashes in identifiers
625 - next() on for-loops
626 - fixed floating point constant precision
627 - improved namespace handling, closer to STD.pm model
628 - support for exporting symbols
631 - now generates classes in nested namespaces instead of :: names
632 - supports class creation in caller's HLL namespace
634 - now using true nested namespaces instead of :: names
635 - cleaned up HLLCompiler interactive prompts and readline mode
636 - updated to use typed exception handler registration
637 - added initial support for loop control exceptions
639 - fixed Heredoc preprocessor
640 - cleaned up Macro preprocessor
641 - many code clean-ups, warning fixes and consting
642 - updated Makefile for easier compilation
644 - Added .tailcall syntax to replace .return in tailcall context
647 - an old style line numbered Basic interpreter able to use parrot objects
648 - example connecting to mysql via nci
649 - example using classes to write and run an embedded Basic program
652 - Added chapters for PCT, PMCs, and Opcodes/Runcores
653 - Expanded and improved formatting in various chapters
654 - Renumbered chapters
659 + add -I and -L command line options
660 + support for null strings in NCI calls
661 + preliminary support for resumable exceptions
662 + add '.hll_map' method for dynamic HLL type mapping
663 + more parrot_debugger fixes
664 + remove obsolete '.past' extension
667 - now over 3300 passing spectests
668 - precompiled modules
669 - precompiled scripts (--target=pir can now be executed standalone)
670 - Support for @*INC and %*INC varialbes
671 - additional builtin methods and subs
672 - added 'fail' function, warnings on use of undefined values
674 - qq, qw, q quoting forms
675 - run tests in parallel
679 - 'require' and precompiled modules
681 - all Array tests pass
683 - default arguments to functions
687 - add :loadinit attribute for PAST::Block
689 - major refactoring to allow all PIR keywords as identifiers
690 - links to libparrot now, so all Parrot ops are recognized as such
691 - implemented .loadlib, .HLL_map, .HLL
693 + add Xlib and Mysql modules and test programs to NCI examples
694 + many updates and cleanups to PDD documents
698 + PDD27: add multisub lookup
700 + new concurrency implementation (see PDD25)
701 + Exception PMC now captures a return continuation
702 + improved PMC encapsulation (Iterator, Key, Pair)
706 - parsing improvements
707 - minor additions to class builtins
708 - add support for block parameters to functions
710 - various language fixes
711 - refactor all libraries (namespace, method registration)
712 - add a OpenGL binding (still incomplete)
713 - lost user back trace (see ppd25 & pushaction)
715 - add support for while- and for-loops
716 - add support for increment and decrement
717 - designate PHP 5.3 as the reference implementation
718 - improve support for string literals
720 - removed due to bit rot
722 - now over 2200 passing spectests
723 - updated the Rakudo roadmap
724 - Perl 6 multi dispatch
725 - dispatch with slurpies
726 - class attributes ("my $.x")
728 - OO and metaclass improvements (.WHAT, .WHICH, .WHENCE)
729 - additional builtin methods and subs
730 - improved make test targets and harness
732 - implement [lreverse], [lsort -command]
733 - allow [incr] to autovivify
734 - update tclsh spec target to 8.5.3
735 - fix bug in TclDict PMC, allowing ~200 more [dict] spec tests to pass
736 - update 'make spectest' fudging, using TODO instead of SKIP if possible
739 - :scope('register') for PAST::Var nodes
740 - allow invocant specification in attribute scope PAST::Var nodes
741 - correct ordering of sub generation from POST
742 - add 'loadinit' attribute to PAST::Block for block initialization
744 - PIR registers now use the vanilla register allocator
745 - all PASM output now uses PASM registers
746 - all .locals and $registers are mapped
747 - clean-up of grammar, back-end and documentation
748 - implemented constant folding
749 - implemented instruction selection
751 + tests now clean up after themselves
752 + improved parallel test support
754 + Darwin problems fixed
756 + parrot_debugger renamed from pdb, numerous tweaks
759 + :vtable implies self in PIR
760 + modest core speed improvements
761 + Cygwin support improved
762 + "say" now an opcode (was dispatched to a method; see Deprecations)
764 + ".pragma n_operators" is deprecated
765 + old PASM register syntax (without "$") is deprecated
766 + bare (unquoted) method names are deprecated
767 + "#line" will be replaced with ".line"
768 + ".HLL_map" syntax will change
769 + ".loadlib" is now separate from ".HLL"
770 + mmdvtregister and mmdvtablefind opcodes are deprecated
771 + removed getfd, getclass opcodes
772 + removed IMCC syntax that treated some methods as builtins
773 + removed numeric get_attr and set_attr vtable entries
777 + removed a lot of old information from the FAQ
778 + improved function level documentation
780 + removed the configuration item 'has_gnu_m4'
781 + refactored ICU-detection
784 - improved the Smalltalk implementation
786 - renamed Plumhead to Pipp
787 - support for a lot of builtin functions.
788 - Pipp now uses PHP specific data types.
789 - converted from PCT with TGE to PCT with NQP actions
790 - improvements in the PCT variant by using optok parsing
791 - start of object support
793 - simple assignments work
795 - added a PCT-based implementation of JSON parsing
797 - improved handling of symbols
798 - added support for block handling
799 - added support for globals
803 - updated Range implementation
805 - added generic type declarations (::T)
806 - added runtime mixing of roles with 'does' and 'but'
807 - fixed handling of implicit lexicals ($_, $!, and $/)
808 - fixed implicit method calls on $_
809 - improved complex math builtins, added Complex
810 - moved many builtins to class Any
811 - declaration of lists of variables now work
812 - improved test infrastructure
813 - 910 additional passing spec tests since last release
814 - more convergence with STD.pm grammar
815 - added named 0-ary parsing and ops
818 - allowed subroutine and method names to be a PAST tree that produces the name
819 - Improved lexical handling
821 + pbc_disassemble renamed from disassemble
823 + allowed .macro_const in PIR
824 + added the flag :lexid(...) for subroutines
825 + made multiple dispatch work for sub types
826 + fixed garbage collection bug related to the metadata attached to a PMC_EXT structure
827 + added a warning when using deprecated opcodes
828 + simplified the stacks implementation
830 + improved closure and lexical support
831 + improved IMCC register allocator
832 + added cache for all runtime-constant strings, reducing memory usage
834 + improved OpenGL/GLU/GLUT bindings
835 + added a standard profile for Perl::Critic coding standard testing
836 + added support for smoke testing with Smolder
837 + enabled use of Test::Harness 3.0 if available, but don't require it for 'make test'
838 + added the executable 'parrot_config' to query Parrot configuration
842 + updated pdd09_gc.pod
845 - dramatically improved parsing speed
846 - added support for defining and instantiating classes
847 - started fleshing out the builtin class hierarchy
848 - added support for hashes and arrays
849 + Chitchat: added the start of a smalltalk compiler
850 + Pheme: updated to match PGE changes
851 + Pynie: return statement, other minor updates
853 - added working list and hash contexts
854 - added 'return' statements
855 - added => pair constructor
856 - added ?? !! ternary
857 - added Range, range operators, Complex
858 - added common List, Hash methods
859 - refactored base classes
860 - added Mutable, Perl6Scalar classes
861 - added type-checking, is readonly/rw/copy for parameters
862 - added make localtest, docs/spectest-progress.csv
864 + Squaak: implement return statement
865 + Tcl: updated control flow exceptions to use new builtin types
867 + All tools converted to P6object metamodel
869 - <?foo> is now a zero-width match
870 - reduced backtracking to improve parsing speed
872 - added "return" PAST.op node type for subroutine returns
873 - added "keyed_int" scoping to PAST::Var
874 - fixed calls to closures
875 - automatically transcode 7-bit unicode to ascii for faster processing
876 + NQP: added "return" statement, ?? !! ternary operator
878 + expanded step gen::opengl
880 + updated function and macro names to match pdd09_gc.pod
882 + add ".namespace []" as alternative to ".namespace"
883 + "make codetest" target runs standard coding tests
885 + added P6object class for Perl 6 interfaces to objects in Parrot
886 + ported OpenGL/GLU/GLUT bindings to Win32, BSD, and more Mac OS X variants
887 + generate OpenGL/GLU/GLUT bindings by parsing system headers
888 + new OpenGL example shapes.pir, covering basic OpenGL 1.1 / GLUT 3 APIs
889 + new float4.pir structure-packing benchmark
890 + reduced memory use for variables
891 + improved constant string caching
892 + made code g++ and gcc (with optimizations) safe
893 + the usual collection of bugfixes and optimizations
897 + updated and launched pdd28_strings.pod
898 + updated pdd19_pir.pod
900 + added implementation of Rational PMC.
901 + simplified ops control flow syntax
902 + enabled backtrace on non-glibc platforms too
903 + improved some PIR error reporting
904 + removed user stack opcodes
905 (save, restore, lookback, entrytype, depth, rotate_up)
906 (NOTE: This was scheduled to occur after 0.7.0, moved up to this release)
907 + removed register stack, saveall, and restoreall opcodes
908 + removed various deprecated features and unused code
911 + C99: grammar updated
912 + Cardinal: resurrected, method calls and do blocks work now
913 + Eclectus: use NQP as PAST generating code
915 - added big number library
916 - updated to match PGE changes
917 - added a bytecode disassembler & a Lua 5.1 VM bytecode translator
918 + Pheme: updated to match PGE/PCT changes
920 - use NQP as PAST generating code
921 - use riaxpander for macro expansion
924 - conditional and loop statement modifiers
925 - lots of class, object, role, and method improvements
926 - Str increment and decrement
927 - improved spectest reporting
928 - type checking on assignment
929 - regexes and grammars
933 + Squaak: added to repository
936 + PGE: updated to match Synopsis 5, deprecated features removed
938 - improve handling of register types, conversion between registers
939 - improved error diagnostics
940 - add 'arity' to for loops
942 + added step auto::opengl
943 + added step gen::opengl
944 + added step gen::call_list
946 + still more optimizations and performance improvements, especially in GC
947 + new libraries: OpenGL/GLU/GLUT bindings (small subset working)
948 + new dump_pbc.pl utility: PBC disassembly/source code weaver
949 + improved C++ compiler support
950 + optimized builds work again
955 + drafted pdd29_compiler_tools.pod
956 + updated pdd28_character_sets.pod draft
957 + updated pdd19_pir.pod draft
959 + c99: added independent C pre-processor
960 + HQ9+: reimplemented with PCT
962 . reimplementation with PCT, using PAST and POST
963 . behavior aligned wih 5.1.3
965 . implemented basic I/O, including '$*IN', '$*OUT', '$*ERR', 'prefix:='
966 . implemented simple typing and runtime type checking
967 . added basic multi-method dispatch
968 . expanded named argument handling, including Pair and colonpairs
969 . added 'Whatever' and 'Capture' classes
970 . implemented 'handles' trait verb
971 . added 'loop' statement
972 . implemented 'given', 'when', 'for', 'while', 'until' statement modifiers
973 . implemented Hash methods '.keys' and '.values'
974 . fixed bug to get '.WHAT' working correctly
975 . initial implementation of 'eval'
978 . created a bootstrapped build, see 'make boot'
979 . added 'infix:<', 'infix:<=', 'infix:>', 'infix:>=' relational operators
980 . added 'postfix:++', 'postfix:--' operators
982 . added methods specifying default behaviors in PAST, reducing repeated code
983 . improved symbol table lookup
985 . removed deprecated code including: P6Regex, P6Grammar, PAST-pm
987 + notable speedups during compilation and execution of parrot and HLLs
988 + pdb (the parrot debugger) can now catch parrot exceptions
989 + better detection of glibc and gettext during configuration
990 + various bugfixes, code cleanups, deprecations, and coding standard fixes
995 + launched pdd18_security.pod
996 + updated pdd17_pmc.pod
997 + launching draft of pdd28_character_sets.pod
999 + cleanup of IMCC documentation
1001 + add step auto::gettext
1002 + add step auto::crypto
1006 . Phase out P6Regex in favor of Perl6Regex
1008 '.local Array my_arr' is illegal now
1010 + C99: reimplementation with PCT
1013 . add support for functions with params
1014 . add math functions
1017 . first cut at smart matching
1018 . indirect method calls
1020 . added methods 'grep' and 'first'
1021 . implement auto{increment,decrement}
1022 . initial implementation of 'perl6doc'
1025 . add base64 library
1026 + Cardinal: basic support for functions with parameters
1027 + Pheme: various updates
1028 + Ecmascript: various updates
1029 + Tcl: now targeting tcl 8.5.1, no more expected failures in test suite.
1030 (No, this doesn't mean everything's implemented. =-)
1031 + Eclectus: various updates
1032 + WMLScript: various updates
1035 + Add library YAML::Dumper
1036 + Add the MD2, MD4, MD5, RIPEMD160, SHA & SHA1 PMC, as a wrapper
1039 + various bugfixes, code cleanups and coding standard fixes
1041 + remove external Perl 5 modules from the Parrot distribution
1045 + PDD09 (garbage collection) - approved
1046 + PDD28 (character sets) - draft started
1047 + added function documentation to some core functions
1048 + PCT beginners guide, optable guide and PAST nodes guide, bug fixes
1050 + IMCC: plugged various memory leaks and other cleanups
1052 . add "attribute" as a scope variant to PAST::Var nodes
1053 . add 'shift' and 'pop' methods to PAST:: nodes
1054 + NQP: add '=:=' op, tests for scalar and list contextualizers, \x escapes
1056 + APL: reimplementation with PCT
1057 + Cardinal (Ruby): reimplemention with PCT
1058 + Ecmascript: reimplementation with PCT
1059 + lolcode: improved expression parsing, ifthen, IT, YARN
1061 . aligned with Lua official release 5.1.3.
1062 . added initial PCT-based implementation.
1063 + Punie (Perl 1): refactor to use standard PCT-based filenames
1064 + Pynie (Python): add functions
1066 . rebranded, formerly known as 'perl6'
1067 . passes many more official Perl 6 Specification tests
1068 . added 'perl6doc' utility
1069 . oo including meta?classes, objects, methods, attributes, role composition
1070 . match variables, while/until statements, traits
1071 . many new methods for Str, List, Hash, Junction
1074 + PCCINVOKE syntax for named arguments using []; use () instead.
1075 + see DEPRECATED.pod for details
1077 + pbc_to_exe refactored for code reduction, portability, and maintainability
1079 + #line directives added to generated JIT files, improving debugging
1080 + consting, attribute marking, refactoring, warnings cleanup
1084 + PDD27 (multiple dispatch) - debut of new design
1085 + Numerous small updates to glossary.pod, etc
1087 + NQP: optional, named, and named/required parameters
1089 + PAST: "defined-or"
1091 + New mk_language_shell.pl script creates language stubs
1094 + Eclectus: start with support for local variables and procedures,
1095 use SXML as intermediate representation
1096 + Perl 6: list builtins, compiler directives, command-line options, etc.
1097 + "make perl6" now builds a Perl 6 executable
1098 + punie: more builtins, control structures, code refactoring
1099 + pynie: builtin stubs, more tests
1101 + New "pbc_to_exe" utility turns bytecode to executables
1102 + New set_outer method for subs
1103 + Further configuration refactoring for testability
1104 + All functions now completely headerized
1105 + Concurrency: interpreter schedulers
1107 + DYNSELF (changes to SELF; SELF to STATICSELF)
1108 + METHOD (replaced by renaming PCCMETHOD)
1109 + pmcinfo op (superseded by 'inspect')
1110 + get_attr, set_attr, and 8 other vtable methods
1111 + See DEPRECATED.pod for details
1114 + Minor speed enhancements with UTF-8 string handling
1116 + consting, attribute marking, warnings cleanup, memory leaks plugged ...
1120 + PDD19 (PIR) - reflect state on the ground; incorporate old IMCC docs
1121 + PDD25 (Concurrency) - launch out of draft
1122 + Improve documentation of deprecated parrot features.
1124 + PCT: Parrot Compiler Toolkit redesigned and updated
1125 + NQP: major updates, including support for namespaces,
1126 module/class declarations, methods
1127 + IMCC: remove .sym as alias for .local. Remove .pcc_
1128 prefix for calling directives (.pcc_begin became .begin_call).
1129 + PIRC: creates an AST during the parse.
1130 + PGE: more updates to match S05 syntax.
1132 + perl6: re-implemented using PCT and NQP, new object subsystem
1133 + abc: re-implemented using PCT and NQP
1134 + eclectus: initial implementation
1135 + plumhead: add PCT variant
1136 + punie: re-implemented using PCT and NQP, extended to handle subroutines
1137 Happy 20th Birthday, Perl!
1138 + pynie: re-implemented using PCT and NQP
1139 + PIR: start conversion to NQP (under construction)
1141 + new opcodes: 'die', 'addhandler', 'copy'
1142 + Initial implementation of Concurrency PDD
1143 + Add 'arity' method to Sub and NCI PMCs
1146 + consting, attribute marking, warnings cleanup, memory leaks, GC...
1147 + dead code removal (includes some defunct languages)
1151 + PDD15 (OO) branch merged with trunk; this release contains a working,
1152 tested implementation of the latest OO model
1153 + Added pop_eh/push_eh_p/count_eh opcodes
1154 + Add --runcore command line option
1155 + Add gcdebug runcore to help track down GC bugs
1156 + minor improvements to IA-32 JIT
1158 + PDD19 (PIR): updates to macros, .pcc* directives
1159 + PDD25 (Concurrency): updated
1160 + PDD26 (AST): draft approved
1161 + PDD23 (Exceptions): draft approved
1162 + Copyright cleanups
1163 - Languages/Compilers
1164 + languages/APL: minor updates, PDD15 conformance
1165 + languages/dotnet: minor updates
1166 + languages/lua: minor updates, PDD15 conformance
1167 + languages/lisp: minor updates
1168 + languages/perl6: minor updates, PDD15 conformance
1169 + languages/plumhead: minor updates
1170 + languages/punie: minor updates, PDD15 conformance
1171 + languages/nqp: minor updates
1172 + languages/scheme: many updates, PDD15 conformance, improved tests, use
1173 PMCs instead of primitive registers to represent values
1174 + languages/tcl: bugfixes, PDD15 conformance
1175 + languages/WMLScript: minor updates
1176 + compilers/pirc: updates from PDD19, PDD06
1177 + compilers/pct: minor updates, PDD15 conformance
1178 + compilers/pge: PDD15 conformance
1179 + compilers/tge: PDD15 conformance
1181 + Improve test coverage
1182 + Improve reporting when a step fails; allow abort on failure
1184 + More coding standard conformance, tests, cleanup, speedups,
1186 + Bug cleanup, esp. GC bugs
1187 + Eliminate .imc extension (use .pir)
1188 + Simplify some core config steps to not allow interactive prompting
1194 + Bug fixes (including Coverity IDs 20, 22, 30, 119-122, 124-126, 129-131)
1195 Also various GC, memory, and segfault issues
1196 + Fix & reenable CGP core
1197 + Parrot's -r flag now works again (compile to and execute bytecode)
1198 + Updates to pmc2c & PIR syntaxes
1200 + Minor performance improvements, especially in PGE
1202 + PDD02 "Vtables" - superceded by PDD17
1203 + PDD06 "PASM" - minor updates
1204 + PDD17 "PMC" - add VTABLE syntax, update core PMC struct, restore UnionVal
1205 + PDD19 "PIR" - early review started
1206 + PDD21 "Namespaces" - cleanup
1207 + PDD24 "Events" - draft approved
1208 + PDD25 "Concurrency" - minor updates
1209 + PDD26 "AST" - draft version begun
1210 + PIR tutorials updated
1211 - Languages/Compilers
1212 + Make scheme work with the current calling conventions, other major work.
1213 + Updates to m4, lua, compilers/pirc, languages/PIR, dotnet, tcl
1215 + make -j functional again
1216 + Code cleanup (refactoring, optimizations)
1220 + Performed code review on every PMC
1221 + Modified PMC code generation to use Storable, reducing compile times
1222 + Added a makefile target to generate test coverage data of C sources
1224 + NQP: added lists, for loops, operators, comparison and multiplicative operators
1225 + Announced Kea-CL, Kea Common Lisp, an ANSI Common Lisp implementation
1226 The repository is available at https://rgrjr.dyndns.org/svn/kea-cl/trunk/
1228 + PDD17 "PMCs" - draft approved, the design is complete
1229 + Added more PIR tutorials, see examples/tutorial/00_README.pod
1231 + Many bugfixes, enhancements, documentation, and coding standard updates
1232 + Deprecated PMC constants and other crufty syntax, see DEPRECATED.pod
1233 + Improved icc compiler compatibility for error line reporting
1237 + Lots of code review, many bugs fixed
1238 + Many more code cleanups and compiler warning levels
1239 + Started a new jit engine for 64-bit processors
1240 + Refactored configure process, with tests and new diagnostic options
1241 + Added new CodeString PMC for dynamic generation of PIR code
1242 + More pdd15 support for object metamodel.
1244 + Added NQP ("Not Quite Perl"), a very lightweight Perl 6-like language
1245 + Significant improvements and refactors to PCT (Parrot Compiler Toolkit)
1246 + perl6 passes more spec tests
1247 + Lua works now with a PGE/TGE/PAST-pm based compiler, lives in one pbc,
1248 and the interpreter has same behavior as original.
1250 + Added a committers' HOWTO
1251 + More PIR tutorial examples
1255 - Now, with Seat Belts!
1256 + added makefile targets for Sun lint, BSD lint, and splint
1257 + corrected many errors picked up by these tools
1258 + decorated source code with compiler hints, assertions, and attribute macros
1259 + automated creation of function declarations to prevent common errors
1260 + increased compiler warnings levels
1261 + converted more exceptions to a recoverable form
1263 + updated Lisp, Lua, Perl 6, tcl, regex, Scheme ("Pheme")
1264 + Perl 6 now fetches selected tests from pugs, and even passes some
1265 + PGE modified to handle {*} action subs for top-down and bottom-up parsers,
1266 and to allow grammar subclassing
1267 + HLLCompiler now has better exception, eval, and exit support
1268 + Introduced PCT, a refactor of HLLCompiler and PAST-pm
1270 + PDD15 "Objects" - details added to 'new' and 'getattribute' opcodes
1271 + PDD17 "PMCs" - notes added on instantiation and dynamic extention in PIR
1273 + added Parrot-related text from "Perl 6 and Parrot Essentials" book,
1274 tutorial examples from "Learning PIR" talk, and PDD15 metamodel diagrams
1276 + reduced memory footprint when using named registers
1277 + implemented overridding of vtable methods by PDD15 classes
1278 + improved PDD15 support for 'new', 'instantiate', and others
1279 + added makefile targets to ease core and HLL makefile regeneration
1280 + updated parrot dubugger, "pdb", to allow loading of commands from file
1282 + many bugfixes, enhancements, documentation, and coding standard updates
1286 + Updated Lisp, Lua, PHP ("Plumhead"), Python ("Pynie"), ABC,
1287 WMLScript, and Tcl ("ParTcl").
1288 + Perl 6 passes all of the sanity tests.
1289 + PGE supports latest Perl 6 grammar syntax. Perl 6, Python
1290 ("Pynie"), and ABC parsers updated to match.
1291 + Updated PHP ("Plumhead") to Antlr 3.0.
1292 + Lua added the beginnings of a PGE/TGE based compiler (not yet
1293 replacing the Perl/Yapp compiler).
1294 + Lisp updated for current features, added a test suite.
1295 - Core Implementation:
1296 + Filled in features and backward compatibility for PDD 15 objects.
1297 New object metamodel passes 85% of old test suite.
1298 + GCC API symbols are visible externally only when explicitly exported.
1299 + Added generated GCC compiler attributes to increase warnings, and
1300 cleaned up resulting warnings.
1301 + Code cleanup efforts and fixed memory leaks by the cage cleaners,
1302 resulting in notable speed increases.
1304 + Updated Parrot distribution to Artistic License 2.0, from dual
1305 Artistic 1/GPL license.
1306 + SDL examples brought up-to-date with current features.
1310 + even more refactorings and improvements in configuration system
1311 + improved tests and documentation for configuration system
1313 + Updated abc, PHP ("Plumhead"), Lua, Tcl
1316 + new PMC PDD draft partially completed
1318 + continued implementation of PDD 15 (Objects)
1319 + minor garbage collector and memory management improvements
1320 + several memory leaks resolved
1321 + extended support for compilers other than GCC
1322 + improved C++ compiler compatibility
1323 + enhanced support for Solaris, non-MSVC Win32, and other platforms
1328 + IMCC: added documentation for C-based Parrot Calling Conventions,
1329 refactorings and bug fixes
1330 + PGE: new perl6regex front end reflecting recent S05 syntax changes
1331 + PIRC: new prototype PIR parser
1333 + Updated Lua, PHP ("Plumhead"), BASIC, pynie
1334 + Lua implements environment
1336 + PDD15 "Objects" - details added, and draft approved
1338 + Added guidelines for PMC documentation
1340 + PDD15 implementation is largely complete, including role-based composition,
1341 introspection, and C3 method resolution order
1342 + new Exporter PMC for importing globals between namespaces
1343 + new string utilities for radix conversion
1344 + PCCINVOKE and Parrot_PCCINVOKE allow calling using the full Parrot Calling
1345 Conventions from PMCs and C code respectively
1347 + Refactorings and improvements in test coverage for 'Configure.pl'
1349 + many bugfixes, enhancements, and code cleanup
1350 + added example subversion config file
1351 + extended support for gcc, icc, and other compilers
1352 + extended support for Solaris and other platforms
1358 + IMCC: Parrot calling conventions now available between two C PMCs (PMINVOKE)
1359 + PGE: Match object improvements
1360 + smop: added Attribute and Class PMCs
1361 + HLLCompiler: improvements for interactive mode
1363 + extended binding to a list of variables
1365 + Updated Lua, PHP ("Plumhead"), Tcl ("ParTcl"), Ruby ("Cardinal")
1366 + Update PIR, regex, Zcode
1367 + New language: Pynie - a Python compiler for Parrot
1368 + Lua implements require and many other ops, improved regex support
1371 + PDD01 "Overview" - updated architecture and platform information
1372 + PDD15 "Objects" - details on roles, objects, and classes added
1373 + PDD22 "I/O" - added async ops and Status PMC details
1375 + Added guides for Metacommitter, Relase Manager, and Cage Cleaner roles
1377 + Object, Class, Role, and Attribute PMC implementation has begun
1378 + Perl 5 module "Parrot::Embed" now compiles and links on all platforms
1380 + Major improvements in test coverage for 'ops2c.pl'
1382 + New utility: Crow, a template processor
1383 + New library module: Config/JSON for reading/writing JSON files
1384 + many bugfixes, enhancements, and coding standard updates, code cleanup
1389 + IMCC: Parrot calling conventions now available in C PMCs, allowing
1390 named, optional, slurpy, and flat parameter passing
1391 + PGE: extended support for Perl 5 Regexes
1392 + smop: prototype object model implementation
1393 + hllcompiler: refactored to run a configurable set of compilation stages
1395 + redesigned assign/binding to support Perl 6 binding semantics
1397 + Updated Lua, PHP ("Plumhead"), Tcl ("ParTcl"), perl6, perl5
1398 + New language: PIR - a PGE-based implementation of Parrot PIR
1399 + perl6 now supports binding (':=') and 'join'
1400 + lua generates tail calls, and supports its own regex flavor (PGE-based)
1401 + Pheme still works, huzzah!
1403 + PDD21 "Objects" - rewritten
1404 + PDD22 "I/O" - updated and 'TODO' tests added
1406 + Interface stability classification standards approved
1407 + Roles and Responsibilities documented approved
1408 + Official 'drafts' directory created (was 'clip')
1410 + More NameSpace and OS PMC methods implemented
1411 + Parrot executable fullname and basename now available in PIR/PASM code
1412 + new 'chomp' library function
1414 + Major improvements in test coverage for 'ops2pm.pl'
1416 + many bugfixes, enhancements, and coding standard updates
1417 + extended support for Sun Workshop Compilers
1418 + Parrot now builds on PocketPC platform
1423 + HLLCompiler: added tracing options, modified api
1424 + PGE & TGE bugfixes and updates
1426 + added global and lexical variable support
1427 + added looping constructs, arrays, hashes
1429 + Updated PHP ("Plumhead"), Tcl ("ParTcl"),
1430 forth, perl6, lua, abc, APL, WMLScript, punie
1431 + ParTcl is passing > 24.9% of Tcl cvs-latest test suite
1432 + perl6 now supports hashes, arrays, method calls, arity-based
1433 multisubs, quoted terms, ranges (non-lazy), try blocks, $!
1435 + PDD01 "Overview" - updated
1436 + PDD22 "I/O" - rewritten and approved
1438 + Converted Perl 5 Regex tests to PIR, with notable speedup
1439 + Added tests for opcodes, compilers, languages, and coding standards
1441 + Major improvements in test coverage for 'pmc2c.pl'
1443 + many bugfixes, enhancements, and coding standard updates
1444 + extended support for non-core platforms including Cygwin, Tru64
1448 - New languages: PHP ("Plumhead"), Forth
1449 - Updated languages: Ruby ("Cardinal"), Tcl, Lua
1450 - Remove old Python implementation from Parrot repository; the new Python
1451 language code is hosted at http://pirate.tangentcode.com
1453 + PGE updated with more expressions, latest changes to S05
1454 + new Perl 6 grammar compiler
1456 + Perl 5 module "Parrot::Embed" allows easy embedding of a Parrot
1457 runtime into a Perl 5 program
1459 + new :init pragma for subs that must run before the main function
1460 + new :vtable pragma to identify subs that override PMC vtable methods,
1461 eliminating the need for special subroutine names
1462 + PIR parser/compiler does not stop on first syntax error
1463 + Vanilla register allocator ("register alligator") greatly improves
1464 performance compiling large functions
1465 + Eliminated limit on number of PIR macros
1467 + hash lookups return null instead of None for missing keys
1469 + PDD13 "Bytecode files: format and manipulation" - new
1470 + PDD10 "Embedding" - new
1471 + PDD25 "Concurrency" - rewritten
1472 + PDD15 "Objects" - new section on redesign requirements
1473 + PDD07 "Coding standards" - significant updates and automated tests
1475 + Many many more new tests
1477 + autoconf compatible install options
1479 + Namespace refinements
1480 + Coroutine improvements
1481 + An impressive swarm of other bugfixes and enhancements
1485 - New languages: Ruby ("Cardinal"), Javascript ("ecmascript")
1486 - Updated languages: Tcl, dotnet, bc, Pheme, Punie, WMLScript
1487 - Updated compilers: PGE, TGE
1489 + ".loadlib" directive expresses dependencies
1490 + ".namespace" with no parameter goes to HLL root
1491 + lexer is reentrant (reentrant grammar in progress)
1492 - Namespace improvements:
1493 + new suite of opcodes to access namespaces and globals
1494 ("find_global" and "store_global" will be phased out)
1495 + namespace '' no longer means HLL root
1496 - Design document updates:
1497 namespaces (pdd23), basic types (pdd17), embedding
1498 - Updated tool requirements for developers:
1499 flex 2.5.33, bison 2.1, perl 5.6.1
1500 - New to-do list for people new to Parrot:
1502 - The usual plethora of bugfixes and enhancements
1506 - unicode subroutine names
1507 - hierarchical class names finished including MMD support
1508 - new dotnet CLI to PIR translator
1509 - improved TGE code and compiler
1510 - APL: vector handling
1511 - new STM branch in the svn repository
1512 - the usual bugfixes and enhancements
1516 - hierarchical class names
1519 - understands simple vector ops, strings
1520 - demonstrates use of Unicode in Parrot
1521 - pgc, a compiler for rules and operator precedence parsers
1522 - Major redesign and improvements for PGE
1523 - compilers understand named parameter options
1524 - :ratchet option implemented to support non-backtracking quantifiers
1525 - TGE (tree grammar engine) for tree transformations
1526 - tgc, tree grammar compiler
1528 - support for many operators, lexical scalars, regex matches
1529 - new pheme (Parrot scheme) compiler
1533 - namespaces partially implemented
1534 - rulec, Perl 6 rule compiler
1535 - PGE improvements including return values for closure
1536 - parts of a Perl 6 parser based on PGE
1537 - complex trigonometric methods
1538 - type of Sub PMC is now overridable by HLL
1540 - many bug fixes and improvements
1544 - improved PPC and x86 JIT support including JIT compilation
1545 of very simple PASM/PIR subroutines
1546 - preliminary libreadline support
1547 - better trace and debug features
1549 - META.yml to support proper indexing on CPAN
1550 - new opcode: hcf (in "my_ops" in dynamic op library)
1551 - new File pmc for file specific ops (is_dir, is_file, copy, rename...)
1552 - named arguments and parameters (both :named("") and => syntaxes)
1553 - ongoing config improvements
1554 - tons of bug fixes and other small improvements - too much to list all
1558 - Installation: 'make install' is using standard locations now
1559 (/usr/local is the default --prefix)
1560 - Produce static and shared libraries on some systems
1561 - Configure system rearragement
1562 - OS pmc started (mkdir,cd,cwd,rm,umask,stat)
1564 - Test files are now testable with 'prove'
1565 - Smoke (and smokej) outputs progress
1566 - PIR supports: I = A < B (>,<=,>=,==,!=)
1567 - Add support for octal number constants
1569 - almost finish [string]; start [file]
1570 - add build tool for generating inline'd tcl builtins from templates.
1571 - Jako updates: NCI, subroutines, global variables and constants all work.
1576 - New lexical handling and closure support including better
1577 introspection for caller and outer
1578 - PGE (Parrot Grammar Engine) provides now compilers for P6Rule,
1579 P6Grammar, P5Regexp, and Glob
1580 - ca. 1000 new tests including 800 for Perl5 regexp
1581 - Improved unicode charset and encoding support
1582 - Calling conventions for exception handlers
1583 - Punie (Perl 1) uses TGE (Tree Grammar Engine) to convert from
1584 PGE match objects to AST via two steps of tree transformation grammars
1585 - New languages: amber and lua
1586 - The usual code fixes, cleanup, and improvements, including an overhaul
1587 of the config and test framework
1591 - Variable sized register frames are finished. Each subroutine gets
1592 the amount of registers that it actually needs. No more spilling.
1593 - Vastly improved PGE (Parrot Grammar Engine) including shift-reduce,
1594 precedence-based expression parser and support for matching of
1595 bracketed text delimited by e.g. ()[]{}'"
1596 - uniccode character classification (is_upper ...)
1597 - support for heredoc syntax in assembler
1598 - improved examples, basic JSON support
1599 - debian packaging support
1600 - the usual improvements, bug fixes, and cleanup
1601 - test count exceeds 3000
1605 - New calling conventions implemented: see PDD03 for details
1606 - Merge multiple Parrot bytecode (PBC) files into a singe PBC file
1607 - 'make smoke' target going beta
1608 - bc now supports if statements, comparison ops, prefix inc/dec
1609 - ParTcl adds [lassign], [switch] (partially); [expr] converted to a compiler
1610 - Many exciting doc updates, tests, and bugfixes, too numerous to mention
1614 - Dynamic classes now compile on Windows (including ParTcl)
1615 - New Super PMC allows easy access to superclass methods
1616 - Implement C3 method resolution order (just like Perl 6 & Python)
1617 - ParTcl has new PIR-based parser and passes more Tcl tests
1618 - added character class support in Globs to PGE
1619 - added language implementations of unlambda, Lazy-k
1620 - many bugfixes, including GC and memory leaks
1621 - the new calling scheme continued to evolve in branches/leo-ctx5
1625 - new call scheme: docs/pdds/pdd03_calling_conventions.pod
1626 - partial implementation of the new calling conventions
1627 PASM only, don't mix PIR foo() call syntax with the new scheme
1628 - grammar and rule support in PGE - the Parrot Grammar Engine
1629 - TCL passes >10% of the tcl test suite
1630 - the usual bugfixes and improvements
1634 - better HLL support (short names for object attributes, and
1635 .HLL and n_operators pragmas)
1636 - string encoding and charset can now be set independently
1637 - experimental mmap IO layer for slurping files
1638 - distinct debug and trace flag settings
1639 - glob support in PGE
1640 - new character classification opcodes and interfaces
1644 - parrot repository is now under subversion
1645 - MMD (Multi Method Dispatch) enhanced
1646 - new unary and infix opcodes that return new result PMCs
1647 - dynamic scalar PMCs inherit now almost all from Parrot core PMCs
1648 - more unification of PMCs and ParrotObjects
1649 - tailcalls for functions and methods
1650 - PGE (Parrot Grammar Engine) reworked
1651 - Pugs creates Parrot code and Pugs is a registered compiler now
1652 - new languages/lisp
1653 - the usual bug fixes and improvements
1657 - New string handling code. Strings now have charset and encoding
1658 - Parts of a generation garbage collector
1659 - Better Python code, separated in dynclasses
1660 - Parrot Grammar Engine
1661 - Improved test coverage and documentation
1665 Parrot 0.1.1 is an intermediate release with tons of updates and fixes.
1666 - Python support: Parrot runs 4/7 of the pie-thon test suite
1667 - Better OS support: more platforms, compiler, OS functions
1668 - Improved PIR syntax for method calls and <op>= assignment
1669 - Dynamic loading reworked including a "make install" target
1670 - MMD - multi method dispatch for binary vtable methods
1671 - Library improvement and cleanup
1672 - BigInt, Complex, *Array, Slice, Enumerate, None PMC classes
1673 - IA64 and hppa JIT support
1674 - Tons of fixes, improvements, new tests, and documentation updates.
1675 A lot is unfinished and keeps changing. Nethertheless Parrot is stable
1676 and usable at the surface, while internals are moving.
1679 - "Ladies and gentlemen, I give you... objects!"
1680 - Huge documentation overhaul
1681 - More supported platforms, s. PLATFORMS
1682 - Basic thread support for pthread based architectures
1683 - Basic event handling for timers and signals including:
1684 - PASM callbacks for NCI (native C) functions.
1685 - Improved platform configuration
1686 - COW stacks now working, stacks code redone
1687 - Structure handling vastly improved
1688 - Random PMC and rand primitives
1689 - Better subroutine call syntax in PIR
1690 - Make PIR subroutines compliant with pdd03
1691 - Improved profiling (DOD, GC timings)
1692 - Hash code improvements, incl. random key order support
1693 - Experimental freeze/thaw code for some PMC types
1694 - IO improvements for buffered layer and Win32
1696 - String bitwise vtables
1698 - Support for JIT, where malloced memory isn't executable
1699 - Priority DOD scheme for objects that need timely destruction
1700 - Improved byte code loading (e.g. onLoad functions)
1701 - Language updates: forth, Perl 6/P6C, m4
1702 - Libraries: Getopt_Long, SDL, Dumper, Sort
1704 - Unified imcc and parrot test handling
1705 - Many new tests (make test reports 1386 tests)
1706 - Numerous bug fixes
1709 - The Big Move: Parrot source and build files rearranged into sub dirs
1710 - Build imcc as parrot
1711 - Objects more finished
1712 - Delegate vtable methods to byte code
1713 - Binary multi-method dispatching
1714 - Isa and does methods for PMCs
1715 - Call byte code from C
1716 - Start of extension interface
1717 - Experimental struct handling
1718 - Catch access to NULL PMCs
1719 - Experimental network socket interface code and opcodes
1720 - IO fixes and improvements
1721 - Dynamic opcode libraries
1722 - Fix-assigned opcode numbers
1723 - Argument flattening for function calls
1724 - More native call interface (NCI) signatures
1725 - Ncurses, postgres, and pcre interface libraries
1726 - Forth language is vastly improved
1727 - BSD and Win32 build improvements
1728 - Many new tests and fixes
1731 - This number intentionally left blank
1735 - Dynamic PMC registration
1736 - Trial exception system
1737 - Beginnings of object system
1740 - I/O system improvements
1742 - Documentation for basic PMC types
1743 - IMCC support of Parrot Calling Conventions
1744 - Runtime loading of chartypes (and other string improvements)
1745 - Conditional breakpoints
1746 - Dramatically accelerated sweeps for finalizable objects
1747 - Small PMCs (PMCs split into core and extensions)
1748 - Loadable bytecode packfiles
1750 - Sub variants that deal with the stack correctly
1751 - Switched runops core
1752 - Line numbers in warnings
1753 - Environment access
1754 - Many documentation cleanups
1755 - Conversion to CPS style!
1756 - BASIC debugger and many other wacky features
1757 - Filename, line number parsing support in IMCC
1762 - some more benchmarking
1764 - optimized math ops
1765 - intersegment branches
1766 - more complete use of PObjs
1767 - beefed up packfiles
1768 - sub/continuation/coroutine fixes
1769 - better NCI (native calling interface)
1770 - many imcc improvements
1775 - Native function calling interface (Dan)
1776 - Stack/list aggregate rewrite (Leo)
1777 - Scratchpads (Jonathan Sillito)
1778 - Preliminary DotGNU support -- type conversion ops (Gopal V + Leo)
1779 - Buffer/PMC unification (Leo)
1780 - stabs debugging support for JIT (Leo)
1781 - Jako overhaul (Gregor)
1782 - Optional Lea allocator (Leo)
1783 - Parrot sprintf (Brent)
1785 - PMC Properties (Dan)
1786 - Various JIT improvements (D. Grunblatt + Leo)
1787 - Extensible packfiles (Juergen)
1788 - Restructured PMC hierarchy (Leo)
1789 - Real Scheme (Juergen)
1793 - Several new grammars and a BNF -> perl5 and perl6 converter (Jeff)
1794 - Working Perl 6 REs (Sean)
1795 - Keyed Access (Tom Hughes et al)
1796 - New PMCs (Alberto et al)
1797 - Better Documentation
1799 - GC acceleration (Mike Lambert)
1800 - Lexical scope (Jonathan Sillito)
1806 - Perl 6 Grammar and Compiler (Sean)
1807 - Subroutines, coroutines, and continuations (Melvin)
1808 - GC improvements (Peter Gibbs, Mike Lambert)
1809 - Global variables (Melvin)
1810 - Intermediate bytecode compiler (Melvin, Angel)
1811 - And much, much more.
1815 - New assembler that support keyed types (Jeff)
1816 - New macro layer, allowing constants (Jeff)
1817 - New Configure.pl (Brent)
1818 - Changes to bytecode format, endian issues resolved (Melvin)
1819 - GC improvements and bug fixes (Peter Gibbs, Mike Lambert)
1820 - JIT compiler rewrite (Jason and Daniel)
1821 - Parrot assembler in Parrot (Daniel)
1822 - Parrot debugger (Daniel)
1823 - BASIC polished, Eliza.bas is new (Clint)
1824 - Cola compiler committed and working, with limited OOP (Melvin)
1825 - Keyed aggregates (Steve Fink)
1826 - Global ops (Melvin)
1827 - Compile-time speedup (Melvin)
1828 - Much documentation
1830 - Contributed tetris and lzw files
1831 - And many more, from the cast of thousands
1836 - Perl Scalar support in PMCs
1837 - Array and Hash types almost ready for prime-time
1838 - Internal support for keyed types
1839 - EMACS editing mode
1841 - New Language - BASIC
1842 - Regular expression compiler
1844 - Many, many bug fixes, enhancements, and speedups
1848 - Arena-based memory allocation system
1851 - "Predereferencing" mode - ./parrot -P - 22% speedup
1852 - JIT compiler - ./parrot -j
1853 - Parrot now builds warnings-clean on many platforms
1854 - Many more PMC methods implemented
1855 - Regular expression operations
1857 - Basic support for embedding Parrot in other programs
1859 - Added PDDs to distribution
1863 - Added an assembly optimizer
1864 - Improved string encoding/type support
1866 - Source reformatting
1867 - Major refactoring in packfile library
1868 - More Miniperl functionality
1869 - New PMC "clone" operator
1870 - Beginnings of key-based access to PMCs - arrays and hashes
1871 - MOPS comparisons in examples/mops/
1876 - Perl base scalar types implemented
1877 - A new minilanguage, Scheme
1878 - Much improved documentation
1879 - Register stacks pushing and popping
1880 - User stack pushing, popping and rotating
1881 - Jako updates: subroutines, more example programs, optimizations
1882 - test_prog renamed to 'parrot'
1884 - Added features to the assembler: @ for current location, and global
1886 - Build tweaks for VMS
1887 - Bytecode typing clean-ups
1888 - More platforms: OS X, HPUX, OS/2
1889 - The proliferation of runops cores reduced to one fast and one slow one
1890 - Opcode tracing, bounds checking, profiling
1891 - Vastly improved string support, with separation of encoding and
1894 - Multiple interpreter creation support - the beginnings of threading
1895 - Much better resource handling - the beginnings of GC
1899 - Parrot now works on all core platforms
1900 - A large number of tests, in the standard Perl testing framework
1901 - A new minilanguage (Jako) which compiles to Parrot assembly
1902 - Documentation about the assembly language (docs/parrot_assembly.pod)
1904 - Separate modules for assembly (Parrot::Assemble) and bytecode
1905 manipulation (Parrot::PackFile::*, packfile.c)
1906 - Assembler completely rewritten
1907 - Better operand-type guessing in the assembler
1908 - Assembler support for '\n' etc. in string constants
1909 - Code reformatted to match the coding standards
1910 - New ops for register-constant INTEGER comparisons
1911 - Macro expansion in the assembler
1912 - IVs and NVs renamed to more friendly INTVAL and NUMVAL
1913 - Hard-coded pack("") formats removed
1914 - Better handling of floating-point numbers in assembler
1915 - Moved floats to constant table (fixing many alignment issues)