9 - Realized deprecations
17 + Made profiling runcore output format configurable and extensible
18 options include "pprof" and "none" ("binary" and "callgrind" are planned)
19 + Added environment variables to specify profiling output type and filename
20 (PARROT_PROFILING_OUTPUT and PARROT_PROFILING_FILENAME)
21 + Began merging Freeze/Thaw and Bytecode generator/loader
23 + Included latest nqp-rx compiler, with many improvements
24 - GLOBAL:: package identifier
25 - dynamic variables look in global namespace
26 - $obj."$method" syntax
27 - :p(os) and :c(ontinue) option on regexes
28 - try/CATCH/CONTROL handling
29 - support leading & on subroutine declarations
30 - allow "category:<symbol>" names (for builtin operators)
31 - simple version of smartmatch operator
32 - simple regex matches
33 - updated HLL::Compiler with new import/export methods
35 + Portability updates for RTEMS, and Intel architectures with GNU compilers
36 + Completed conversion of ticket tracking system from RT to Trac
37 + New draft of PDD31 for HLL export API and import implementation
38 + Several (build time, runtime) performance improvements
39 + Converted many tests to PIR, reducing test execution time
40 + Various bugfixes, code cleanups, and coding standard fixes
44 + The FileHandle PMC now exposes the exit code of child process that was run as pipe.
45 + Experimental support for overriding VTABLE invoke in PIR objects was added.
46 + The method 'type' was added to the PackfileAnnotations PMC.
47 + The internals of the parrot calling conventions, PCC, were reworked.
48 All call paths now use a CallSignature object for passing arguments and return values.
49 + The new API-function 'Parrot_ext_call' was added for calling into C-land.
50 + The fixed-size allocator was improved.
51 + The files installed by 'make install-dev' are now covered by 'make install' as well.
52 + The experimental ops 'fetch' and 'vivify' were added.
53 + The -I option to the command 'parrot' now prepends items to the search path.
54 + The Context struct was substituted with auto attributes (context_auto_attrs branch).
55 + Use the osname determined in auto::arch in subsequent configuration steps (convert_OSNAME branch).
56 + Eliminated dependence on Perl 5 '%Config' in auto::format (auto_format_no_Config branch).
57 + MultiSub PMCs now stringify to the name of their first candidate,
58 instead of the number of candidates.
59 + The platform detection at the start of the configuration process was improved.
60 + The 'lineof' method on CodeString objects now precomputes line number information
61 to be more efficient on variable-width encoded strings.
62 + P6object now supports .WHO and .WHERE methods on protoobjects.
64 + A shiny new self-hosting implementation of NQP has been added in ext/nqp-rx.
65 - New NQP available as nqp-rx.pbc or parrot-nqp fakecutable.
66 - NQP includes direct support for grammars and regexes, including protoregexes.
67 - NQP has a new PAST-based regex engine (intended to replace PGE).
68 - Regexes may contain code assertions, parameters, lexical declarations, and more.
69 - Double-quoted strings now interpolate scalar variables and closures.
70 - Subroutine declarations are now lexical by default.
72 - PAST::Block now supports an 'nsentry' attribute.
73 - PAST::Var allows 'contextual' scope.
74 - Attribute bindings now return the bound value.
76 + Fixes for the port of Parrot to RTEMS were applied. Yay, first port to a real time OS!
77 + On NetBSD, shared libs are now used.
79 + Use the the fixed-sized allocator in the Context and the CallSignature PMC.
80 + Many small speed improvements.
82 + MT19937, the Mersenne twisted pseudorandom number generator, is now hosted on github and
83 will be removed from the Parrot core. (eligible in 2.1)
84 + The 'Parrot_call_*' functions for invoking a sub/method object from C are
85 deprecated. They are replaced by 'Parrot_ext_call'. (eligible in 2.1)
86 + All bitwise VTABLE functions are deprecated. (eligible in 2.1)
87 + All bitwise ops will become dynops. (eligible in 2.1)
88 - Realized deprecations
89 + The slice VTABLE entry was removed.
90 + The last traces of the 'malloc' garbage collector were removed.
91 + Parrot_pcc_constants() was renamed to Parrot_pcc_get_constants().
92 + The deprecated functions from the Embedding/Extension interface were removed.
93 + The library YAML/Parser/Syck.pir was removed.
94 + The VTABLE function instantiate_str() was removed.
95 + Building of parrot_nqp was removed.
97 + The test coverage of the time-related ops was much improved.
98 + New testing functions in Test::More: lives_ok() and dies_ok().
99 + The Perl 5 based test scripts t/op/bitwise.t, t/op/comp.t, t/op/inf_nan.t,
100 t/op/literal.t, t/op/number.t, t/op/sprintf2.t, and t/op/00ff-dos.t were converted to PIR.
101 + The test scripts t/op/annotate.t and t/op/time.t have begun
102 to be translated from Perl 5 to PIR.
103 + In some tests the dependency on %Config from Perl 5 was eliminated.
105 + The meaning of 'p' means in NCI function call signatures was clarified.
107 + The stub for a new language, as created by mk_language_shell.pl,
108 now relies on the PIR-based tools, which are replacing the Perl 5-based tools.
109 + The library Configure.pir was added.
110 + The library distutils.pir was added.
112 + The mailing list parrot-users and a corresponding google group was created,
113 http://groups.google.com/group/parrot-users.
114 + Many bugfixes, code cleanups, and coding standard fixes.
118 + Parrot_capture_lex has been added to the PARROT_EXPORT API
119 + PARROT_MAX_ARGS has been increased from 8 to 16 to allow for ops that take more than 8 args
121 + The profiling runcore now caches metadata for improved performance
122 - Maintenance and cleanup
123 + Expanded the Parrot debugger documentation
124 + Parrot debugger now uses the new Parrot STRING API
125 + Continue to port rest of internals to use the STRING API
127 + The JIT subsystem has been removed and is being written from the ground up. More
128 information can be found at https://trac.parrot.org/parrot/wiki/JITRewrite
129 + Implicit optional named parameters (eligible in 2.1)
130 + Continuation-based ExceptionHandlers (eligible in 2.1)
131 + Use of undocumented variables in class_init (eligible in 2.1)
132 + Parrot_oo_get_namespace (eligible in 2.1)
134 + Improved line number tracking in IMCC
136 + Converted many more Perl 5 tests to PIR
137 + Expanded test coverage of the CallSignature, Namespace, FixedPMCArray,
138 ResizeableIntegerArray and ExceptionHandler PMCs
142 + Added a fixed-size structure allocator to the Garbage Collector
143 + Added a "lazy" mode to the PObj and Fixed-Size memory allocators
144 + Added a profiling runcore, which generates Callgrind-compatible output
145 + Added lexical subsystem opcodes: find_dynamic_lex, store_dynamic_lex
146 + Converted Contexts to garbage-collectable PMC structures
147 + Created a new Context API
148 + Enhanced the PMC allocator to automatically allocate ATTR structures
150 + Optimized opcodes to cache the current Context for subsequent lookups
151 + Reduced string comparisons in VTABLE_isa
152 - Maintenance and cleanup
153 + Began proper encapsulation of STRING API
154 + Unified all PMC destruction functions
155 + Unified Continuation PMC and Parrot_cont structure
156 + Unified Sub PMC and Parrot_sub structure
157 + Removed PMC_EXT structure
158 + Removed PMC_Sync from PMC
159 + Removed UnionVal from PMC structure
161 + Fixed several stack-walking bugs in Garbage Collector code
162 + Fixed bug when copying a NULL STRING, now returns empty STRING struct
164 + Converted several Perl5 tests to PIR
165 + Expanded test coverage of NameSpace PMC
167 + Made Parrot Compiler Toolkit available in the base install
171 + Removed several deprecated functions and features
172 + Removed bsr, jsr, branch_cs, and ret opcodes
173 + Removed global stacks system
174 + Changed OPS file format to include explicit preamble
175 + Changed all "new 'Iterator'" instructions into 'iter' instructions
176 + Removed Configure.pl options for specifying non-working GC cores
177 + Removed unexecuting code as found by Coverity
178 + Improvements to the Parrot Debugger
179 + Added experimental fixed-size structure allocator to the GC
180 + Added experimental lazy arena allocation to the GC
181 + Refactored hashes, keys, and iterators
182 + Added "corevm" make target to build Parrot without all the supporting libraries
183 + Removed Random PMC type and added in a "rand" dynop
184 + Optimization and Improvements to the NCI thunk generator
185 + New include file libpaths.pasm
187 + Multiple .local with same name and different type is now an error on IMCC.
189 + Improved support for detecting Fink and Macports
190 + Updated search directories for libraries
192 + "Parrot Developers Guide: PIR" released to publisher and available to purchase
193 + Improved documentation about Parrot Debugger
194 + Update PGE Documentation
196 + Deprecate 'PASM1' compiler object, update to warn instead of segfault
198 + Fixes to code, documentation, and standards
202 + Key and Iterator refactor
203 + Major pbc_to_exe generated code speed improvement
204 + New "Infinite Memory" GC core for demonstration purposes
205 + gc_debug runcore and GC-related heisenbug fixes
206 + Elimination of variable expansion in parrot_config
207 + CLI arguments are processed as Unicode by default
208 + Substantial optimizations in NCI
209 + Parrot builds on Win64
210 + Hashes can use native types as keys and values
211 + Fixed installed pbc_to_exe
212 + Simplification of PMC generation code
213 + Improved GC encapsulation and API documentation
215 + List of candidates for embedding API (docs/embed.pod)
216 + PIR book sent to publisher
218 + Several conversions of Perl test to pure PIR.
219 + C indentation coding standards test improvement
220 + Improved test coverage of example code
222 + Removal of PGE rules: <null> <fail> <sp> <lt> <gt> <dot>
223 + Removal of PGE methods: .text .item .result_object
224 + Deprecation of most dynops
226 + Beginnings of OpenGL::Math library; OpenGL bindings and library marked experimental
227 + Localizing and consting fixes
228 + Many memory and thread-related leaks plugged
232 + Optimized parts of the IO system
233 + Fixed inheritance hierarchy of FileHandle and Socket PMC types
234 + Fixed leaks involving subroutines and Parrot_Context
235 + Cleaned up and refactored GC internals, including fixes and optimizations
236 + Optimized PMC class manipulations to use type numbers instead of string names
237 + Fixed problems involving hashval calculations in strings
238 + Removed unnecessary MULTI dispatches in built-in PMCs
239 + Fixed memory leaks involving PMCs that were not properly destroyed
240 + Fixed creation of PMCProxy PMCs in correct namespaces
241 + Added preliminary Pipe support
242 + Fixed cloning of Object PMCs
243 + Added root_new opcode
244 + Added initial versions of Packfile PMCs with read/write capabilities
246 + Fixed several memory leaks in IMCC
247 + Updated PCT to use root_new opcode
248 + Added support for keyword "self" in NQP
250 + Improved and expanded /docs/book
251 + Updated project documentation
252 + Defined 'experimental' status and procedures in DEPRECATED.pod
254 + Cleaned code and improved code-level documentation
255 + Various bugfixes, code cleanups, and coding standard fixes
256 + Added an experimental compiler library to help use PIR libraries from HLLs
257 + Updated OpenGL library and examples to support experimental HLL import
261 + Fixes for pir classes inheriting from core pmcs.
262 + Cleaned up headers and reorganized some sources into subsystem directories.
263 + Clean up PMCs so libparrot.so exports far fewer vtable/method symbols.
264 + Clean up the GC API.
265 + Several unicode identifier improvements in IMCC.
267 + Protoobject stringification is gone.
269 + Rewrite several core documents.
270 + Many reworks, improvements & additions to the Parrot Book.
271 + Installation PDD is launched out of draft.
273 + Fixes for running the language shell generator outside the parrot tree.
274 + Several fixes for developing and building HLLs from an installed parrot.
275 + Configure.pl now has a --no-line-directives option to ease source level debugging.
277 + Portability updates for macports, netbsd, mingw32, hpux.
278 + Several (build time, runtime) performance improvements.
279 + Lots of updates to examples and tests.
280 + Various bugfixes, code cleanups, and coding standard fixes.
284 + Added op: load_language, find_caller_lex
285 + Socket IO are back as PMC
286 + Refactor some PMC: Hash, ManagedStruct
290 - Allow \x, \c, and \o in enumerated character classes (incl ranges)
291 - Add initial greedy-only version of ** <exp> quantifier
293 - Add HLL source line bytecode annotations
294 - Add another dumper format to assist syntax highlighters
295 - Revise mk_language_shell.pl to updated create_language.pl
297 + Removed ops: gcd, exec, classname, need_finalize, runinterp, substr_r
298 + Removed dynamic op: mul
299 + Removed .HLL_map directive; use interp's .hll_map() instead
300 + Removed PMCs: slice, bound_nci, ref
301 + Removed Configure.pl option: --pmc
302 + Removed PMC union struct
305 - Reorganization and many improvements & additions
307 + Add a parrot-fuzzer
309 + Improve Debian/Ubuntu package
310 + various bugfixes, code cleanups, and coding standard fixes
315 + New user documentation for exceptions.
316 + Updates to Chapters 4 & 5 of the Parrot book.
317 + Improved and expanded generated HTML documentation, as the input for
318 http://docs.parrot.org.
319 + Added Compiled HTML Help (.chm) version of documentation.
320 + Cleanups and fixes.
323 - left the nest and is now at http://pynie.googlecode.com/
325 - left the nest and is now at http://github.com/cardinal
327 - left the nest and is now at http://paraplegic.googlecode.com/
328 + ABC, Squaak, and Befunge moved to examples/.
329 + All remaining languages moved to https://svn.parrot.org/languages/
331 + Support for language builds from an installed Parrot.
332 + Expanded language shell generator for new languages.
333 + 'parrotbug' utility repurposed for the Trac interface.
335 + Removed deprecated Tqueue and Closure PMCs.
336 + String, Key, NCI, LexPad, Iterator, Sub, Continuation, RetContinuation,
337 ExceptionHandler, ParrotLibrary, ParrotInterpreter, ParrotThread,
338 ParrotRunningThread, Rational, FixedPMCArray, ResizablePMCArray, and
339 GDBMHash PMCs now use declared attributes (ATTR), in place of the
345 + Support for portable 'Inf', 'NaN' and -0.0
346 + pbc_disassemble prints constants in constants table
347 + New experimental BigNum implementation
348 + Pair is now a dynamic loadable PMC
349 + Various function name sanification
350 + New implementation of Strings component
351 + Replace various PMC value union access code by VTABLE method invocations
352 + Replace various PMC value unions by ATTRibutes
353 + Removed SArray PMC. Use FixedPMCArray instead.
356 - updates to Chapter 2 (getting started)
357 - updates to Chapter 3 (PIR basics)
358 - updates to Chapter 4 (PIR subroutines)
359 - updates to Chapter 10 (HLLs)
360 - updates to Chapter 12 (opcodes)
361 + Function documentation
362 + Pod documentation style modernized; no longer Perl 5 style.
363 + PMC has an additional acronym: Poly Morphic Container
364 + The DOD (Dead Object Detection) acronym is no longer used;
365 use 'GC' to refer to the Garbage Collector component.
368 - :named flag can now take string registers as argument
369 - A single '=cut' directive is now ignored (without initial Pod directive)
370 - :vtable subs now have proper access to 'self' pseudo variable
372 + add new 'Pod' documentation parser
373 + Pipp (PHP implementation):
374 - Pipp is now at http://github.com/bschmalhofer/pipp
375 - support for 'print', 'dirname', 'implode', 'str_replace',
376 - various grammar fixes
378 + add 'quit', 'readline' builtins
379 + fix 'Boolean' type and 'print' builtin
381 - left the nest and is now at http://github.com/fperrad/lua/
383 - left the nest and is now at http://github.com/rakudo/rakudo/
384 - build instructions can be found at http://tinyurl.com/rakudo
386 - left the nest and is now at http://github.com/bschmalhofer/lazy-k.git
388 - left the nest and is now at http://github.com/bschmalhofer/unlambda/
390 - left the nest and is now at http://github.com/fperrad/wmlscript.git
391 + removed Zcode implementation
394 - ATTRs are now inherited automatically in subclassing PMCs
396 + Parrot_readbc, Parrot_loadbc renamed to Parrot_pbc_read, Parrot_pbc_load.
397 + .HLL_map directive in favour of 'hll_map' method on Parrot interpreter
398 + Data::Escape library
400 + pbc_disassemble options added
401 + pbc_dump renamed from pdump
403 + Parrot is now Copyright Parrot Foundation
404 + Parrot's SVN repository is now hosted at https://svn.parrot.org
405 + Various code cleanups, consting, 64-bit incompatibilities and other bug fixes
408 New in January 2009 release (0.9.0)
410 + Implemented bytecode annotations
411 + Role composition is now aware of multi-subs
412 + Unbuffered IO PMCs now autopromote when buffering is necessary
413 + Installation parrot binary and libparrot shared library now supported
414 + Class registry now respects HLLs
417 - removed keyed string indexing, e.g. $S0[1].
418 - removed slice syntax, e.g. $P0[1..2]
419 - removed .namespace <ident>/.endnamespace <ident> pair
420 - fixed 'new $P0, [classname]' syntax
422 - refactoring of various data structures
423 - various bug fixes and updates
424 - complete bytecode generation
425 - add '-x' commandline option to run compiled code
427 - add 'hll' and 'subid' attributes to PAST::Block
428 - refactor loop handling code to handle last/redo/next
429 - add :pasttype('stmts') and :pasttype('null')
430 - improve "scope not found" error message
431 - allow PAST::Val nodes to contain block references
433 - add "skipkey" option to PGE::OPTable
434 - allow spaces before modifiers in regexes
435 - add '(' ~ ')' goal matching syntax
436 - skip creating a class/grammar if it already exists
439 - improved error mesages in multi dispatch
440 - implemented clone method for all objects
441 - implemented MAIN sub
442 - Unicode versions of infix hyper operators
443 - refactored IO.readline
444 - basic support for Inf and NaN
445 - list and array slices with whatever star
447 - implemented last and redo
448 - pointy blocks as terms
449 - refactored variable and parameter passing
450 - improved assignment semantics
451 - improved parsing of type names and subs
452 - mostly implemented parametric roles
453 - separate types for blocks, subs and methods
454 - basic support for submethods
455 - implemented Junction autothreading of user code (not builtins yet)
456 - eval supports :lang attribute
457 - proto makes other subs in scope multis, including in role composition
459 - back to working state
462 - add support for predefined constant __CLASS__ and __METHOD__
463 - add initial support for static members
464 - add support for namespaced constants
465 - constants are now handled as package vars
466 - variables are now lexical variables
467 - add support for superglobals in functions
468 - Call the class __constructor when there is one
469 - added incomplete support for closures
470 - removed support for the alternative parsing strategies
471 - added support for 'elsif'
472 - added support for 'do-while'
474 - left the nest and is now at https://github.com/bschmalhofer/hq9plus/
476 - left the nest and is now at http://github.com/bschmalhofer/eclectus/
478 - left the nest and is now at http://github.com/bschmalhofer/m4/
480 - add a minimalist user back trace
482 - "does" and "morph" VTABLE interfaces are now overridable from PIR
485 - 'make smoke' now generates Smolder reports sent to
486 http://smolder.plusthree.com/app/public_projects/smoke_reports/8
487 + Improved const and null correctness for C function parameters
488 + Sped up STRING manipulation (append, chop), improving PGE about 30%
490 - Added sections about Classes, OO programming, and methods.
491 - Added information about Annotations, Exceptions, and Handlers
493 - Removed non-functional STM subsystem
498 + fixed lexical semantics
499 + added the 'capture_lex' opcode
500 + added automatic resume for nonfatal exceptions
501 + added multidispatch cache
502 + applied miscellaneous performance improvements, including startup time
503 + fixed several bugs and leaks found by Coverity Scan
504 + removed race conditions from parallel testing
507 - removed undocumented .param int <stringc> => <ident> syntax
508 - .line directive now only takes an integer argument
509 - new .file directive to specify the file name being compiled
511 - properly handles lexical generation and closure semantics
512 - uses :subid instead of name lookups to reference PAST::Block nodes
513 - added PAST::Control node type (exception handlers)
515 - add support for <?{{...}}> and <!{{...}}> assertions
516 - Match objects use Capture PMC instead of Capture_PIR
518 - add macro handling to PASM mode
519 - disable vanilla register allocation in PASM mode, but do allow optimization
520 - add tests and bug fixes
521 - first bits of bytecode generation. No sub calling/returning yet.
524 - fixed lexical handling and recursion
525 - refactored subtypes implementation
526 - support for quotes with multi-character delimiters
527 - implemented list slices (Positional role)
529 - reduction meta operators
530 - hyper meta operators
531 - cross meta operators
532 - more builtin functions
534 - basic support for protos
535 - iterator on filehandle objects
536 - basic support for exception handlers
539 - added complex & mathx libraries
540 - merged LuaClosure & LuaFunction PMC
542 - added support for a return value from user defined functions
543 - added incomplete implemention of 'require_once'
545 - parser fixes, parses spidermonkey's top level test/shell.js
547 + PARROT_API is now PARROT_EXPORT
549 - :lexid is now :subid
550 - .arg is now .set_arg
551 - .result is now .get_result
552 - .yield (in .begin/end_yield) is now .set_yield
553 - .return (in .begin/end_return) is now .set_return
554 - .namespace x / .endnamespace x syntax is removed
555 + Capture_PIR (runtime/parrot/library/Parrot/Capture_PIR.pir)
559 + added CPAN module Storable 2.12 as a configuration and build dependency
560 + removed the pseudo PIR opcode 'addr'
561 + added the 'box' opcode
562 + fixed 'pop_eh' handling in PIR libraries and examples
563 + removed usage of .return for tailcalls (use .tailcall instead)
564 + removed 'get_hash' and 'get_array' from Capture PMC and Capture_PIR
565 + improved debugger and HLL coordination
566 + allowed MMD primitive autoboxing
567 + fixed all known memory leaks in PIR "Hello, world!"
568 + NCI signatures now JITted on x86-32 platforms (Windows and Linux)
569 + made the .const directive take a quoted type name instead of a constant
570 + made IMCC more re-entrant
573 - refactored Junctions implementation
574 - added "fire and forget" tool to rebase/rebuild/test Parrot and Rakudo
575 - updated container/reference semantics
576 - added more builtin methods and functions
577 - improved support for multilevel namespaces
578 - added support for .Str, .succ, .pred in user-defined classes
579 - implemented pointy blocks on if/loops
580 - increased STD.pm convergence
582 - improved MMD candidate sorting
583 - improved integration of Num and Int
584 - implemented increment on protoobjects
585 - added initial support for MAIN subs
586 - added .PARROT method
588 - added some predefined constants
589 - added implemention of the function basename()
591 - Added initial support for the classes Proc, Continuation, Queue, Dir, File, and FileStat
592 - fixed various minor bugs
593 - fixed broken Regexes
596 - added '.isa' method to PCT::Node
597 - cleaned up 'immediate block' handling
598 - allowed arguments to immediate blocks in loops/conditionals
599 - metaclass objects can now 'add_method'
601 - integrated macro processing in PIRC's lexer
602 - integrated heredoc lexer in PIRC executable
603 - added preprocess and heredoc-preprocess commandline options
604 - integrated the PASM grammar into PIRC
605 - added a register allocator to optimize the built-in vanilla allocator
606 - code cleanups and documentation
607 - added 'make test' target
609 - updated to work with new namespace/classname syntax
611 + PARROT_API will become PARROT_EXPORT
612 + :lexid will become :subid
615 - updates and additions to the Parrot book (see docs/book/)
617 - minor fixes to Parrot's base OpenGL bindings
618 - converted OpenGL PIR examples to Perl 6 (two complete, one WIP)
619 - added simplified OpenGL PIR example for NCI JIT testing
621 - further improvements to parallel tests
622 - tests no longer leave filesystem breadcrumbs
623 - more thorough testing of Parrot::Test itself
627 + float precision expanded to 15 significant digits from 6
628 + large integers autopromoted in PIR so as not to lose precision
629 + improved precision of complex square root
630 + exception handlers can register types of exceptions they catch
633 - implemented gather, take, and yield builtins
634 - Range, Time, Math, GC, Kernel classes
636 - added a new committer
637 + Markdown : new lightweight markup language
638 - start implementation with PCT/NQP
640 - Moved to its own repository: http://code.google.com/p/partcl/
642 - split() works with regexes
643 - implemented Str.comb
644 - ord() and chr() builtins
645 - improved parsing of literal numbers
646 - support for hyphens and dashes in identifiers
647 - next() on for-loops
648 - fixed floating point constant precision
649 - improved namespace handling, closer to STD.pm model
650 - support for exporting symbols
653 - now generates classes in nested namespaces instead of :: names
654 - supports class creation in caller's HLL namespace
656 - now using true nested namespaces instead of :: names
657 - cleaned up HLLCompiler interactive prompts and readline mode
658 - updated to use typed exception handler registration
659 - added initial support for loop control exceptions
661 - fixed Heredoc preprocessor
662 - cleaned up Macro preprocessor
663 - many code clean-ups, warning fixes and consting
664 - updated Makefile for easier compilation
666 - Added .tailcall syntax to replace .return in tailcall context
669 - an old style line numbered Basic interpreter able to use parrot objects
670 - example connecting to mysql via nci
671 - example using classes to write and run an embedded Basic program
674 - Added chapters for PCT, PMCs, and Opcodes/Runcores
675 - Expanded and improved formatting in various chapters
676 - Renumbered chapters
681 + add -I and -L command line options
682 + support for null strings in NCI calls
683 + preliminary support for resumable exceptions
684 + add '.hll_map' method for dynamic HLL type mapping
685 + more parrot_debugger fixes
686 + remove obsolete '.past' extension
689 - now over 3300 passing spectests
690 - precompiled modules
691 - precompiled scripts (--target=pir can now be executed standalone)
692 - Support for @*INC and %*INC varialbes
693 - additional builtin methods and subs
694 - added 'fail' function, warnings on use of undefined values
696 - qq, qw, q quoting forms
697 - run tests in parallel
701 - 'require' and precompiled modules
703 - all Array tests pass
705 - default arguments to functions
709 - add :loadinit attribute for PAST::Block
711 - major refactoring to allow all PIR keywords as identifiers
712 - links to libparrot now, so all Parrot ops are recognized as such
713 - implemented .loadlib, .HLL_map, .HLL
715 + add Xlib and Mysql modules and test programs to NCI examples
716 + many updates and cleanups to PDD documents
720 + PDD27: add multisub lookup
722 + new concurrency implementation (see PDD25)
723 + Exception PMC now captures a return continuation
724 + improved PMC encapsulation (Iterator, Key, Pair)
728 - parsing improvements
729 - minor additions to class builtins
730 - add support for block parameters to functions
732 - various language fixes
733 - refactor all libraries (namespace, method registration)
734 - add a OpenGL binding (still incomplete)
735 - lost user back trace (see ppd25 & pushaction)
737 - add support for while- and for-loops
738 - add support for increment and decrement
739 - designate PHP 5.3 as the reference implementation
740 - improve support for string literals
742 - removed due to bit rot
744 - now over 2200 passing spectests
745 - updated the Rakudo roadmap
746 - Perl 6 multi dispatch
747 - dispatch with slurpies
748 - class attributes ("my $.x")
750 - OO and metaclass improvements (.WHAT, .WHICH, .WHENCE)
751 - additional builtin methods and subs
752 - improved make test targets and harness
754 - implement [lreverse], [lsort -command]
755 - allow [incr] to autovivify
756 - update tclsh spec target to 8.5.3
757 - fix bug in TclDict PMC, allowing ~200 more [dict] spec tests to pass
758 - update 'make spectest' fudging, using TODO instead of SKIP if possible
761 - :scope('register') for PAST::Var nodes
762 - allow invocant specification in attribute scope PAST::Var nodes
763 - correct ordering of sub generation from POST
764 - add 'loadinit' attribute to PAST::Block for block initialization
766 - PIR registers now use the vanilla register allocator
767 - all PASM output now uses PASM registers
768 - all .locals and $registers are mapped
769 - clean-up of grammar, back-end and documentation
770 - implemented constant folding
771 - implemented instruction selection
773 + tests now clean up after themselves
774 + improved parallel test support
776 + Darwin problems fixed
778 + parrot_debugger renamed from pdb, numerous tweaks
781 + :vtable implies self in PIR
782 + modest core speed improvements
783 + Cygwin support improved
784 + "say" now an opcode (was dispatched to a method; see Deprecations)
786 + ".pragma n_operators" is deprecated
787 + old PASM register syntax (without "$") is deprecated
788 + bare (unquoted) method names are deprecated
789 + "#line" will be replaced with ".line"
790 + ".HLL_map" syntax will change
791 + ".loadlib" is now separate from ".HLL"
792 + mmdvtregister and mmdvtablefind opcodes are deprecated
793 + removed getfd, getclass opcodes
794 + removed IMCC syntax that treated some methods as builtins
795 + removed numeric get_attr and set_attr vtable entries
799 + removed a lot of old information from the FAQ
800 + improved function level documentation
802 + removed the configuration item 'has_gnu_m4'
803 + refactored ICU-detection
806 - improved the Smalltalk implementation
808 - renamed Plumhead to Pipp
809 - support for a lot of builtin functions.
810 - Pipp now uses PHP specific data types.
811 - converted from PCT with TGE to PCT with NQP actions
812 - improvements in the PCT variant by using optok parsing
813 - start of object support
815 - simple assignments work
817 - added a PCT-based implementation of JSON parsing
819 - improved handling of symbols
820 - added support for block handling
821 - added support for globals
825 - updated Range implementation
827 - added generic type declarations (::T)
828 - added runtime mixing of roles with 'does' and 'but'
829 - fixed handling of implicit lexicals ($_, $!, and $/)
830 - fixed implicit method calls on $_
831 - improved complex math builtins, added Complex
832 - moved many builtins to class Any
833 - declaration of lists of variables now work
834 - improved test infrastructure
835 - 910 additional passing spec tests since last release
836 - more convergence with STD.pm grammar
837 - added named 0-ary parsing and ops
840 - allowed subroutine and method names to be a PAST tree that produces the name
841 - Improved lexical handling
843 + pbc_disassemble renamed from disassemble
845 + allowed .macro_const in PIR
846 + added the flag :lexid(...) for subroutines
847 + made multiple dispatch work for sub types
848 + fixed garbage collection bug related to the metadata attached to a PMC_EXT structure
849 + added a warning when using deprecated opcodes
850 + simplified the stacks implementation
852 + improved closure and lexical support
853 + improved IMCC register allocator
854 + added cache for all runtime-constant strings, reducing memory usage
856 + improved OpenGL/GLU/GLUT bindings
857 + added a standard profile for Perl::Critic coding standard testing
858 + added support for smoke testing with Smolder
859 + enabled use of Test::Harness 3.0 if available, but don't require it for 'make test'
860 + added the executable 'parrot_config' to query Parrot configuration
864 + updated pdd09_gc.pod
867 - dramatically improved parsing speed
868 - added support for defining and instantiating classes
869 - started fleshing out the builtin class hierarchy
870 - added support for hashes and arrays
871 + Chitchat: added the start of a smalltalk compiler
872 + Pheme: updated to match PGE changes
873 + Pynie: return statement, other minor updates
875 - added working list and hash contexts
876 - added 'return' statements
877 - added => pair constructor
878 - added ?? !! ternary
879 - added Range, range operators, Complex
880 - added common List, Hash methods
881 - refactored base classes
882 - added Mutable, Perl6Scalar classes
883 - added type-checking, is readonly/rw/copy for parameters
884 - added make localtest, docs/spectest-progress.csv
886 + Squaak: implement return statement
887 + Tcl: updated control flow exceptions to use new builtin types
889 + All tools converted to P6object metamodel
891 - <?foo> is now a zero-width match
892 - reduced backtracking to improve parsing speed
894 - added "return" PAST.op node type for subroutine returns
895 - added "keyed_int" scoping to PAST::Var
896 - fixed calls to closures
897 - automatically transcode 7-bit unicode to ascii for faster processing
898 + NQP: added "return" statement, ?? !! ternary operator
900 + expanded step gen::opengl
902 + updated function and macro names to match pdd09_gc.pod
904 + add ".namespace []" as alternative to ".namespace"
905 + "make codetest" target runs standard coding tests
907 + added P6object class for Perl 6 interfaces to objects in Parrot
908 + ported OpenGL/GLU/GLUT bindings to Win32, BSD, and more Mac OS X variants
909 + generate OpenGL/GLU/GLUT bindings by parsing system headers
910 + new OpenGL example shapes.pir, covering basic OpenGL 1.1 / GLUT 3 APIs
911 + new float4.pir structure-packing benchmark
912 + reduced memory use for variables
913 + improved constant string caching
914 + made code g++ and gcc (with optimizations) safe
915 + the usual collection of bugfixes and optimizations
919 + updated and launched pdd28_strings.pod
920 + updated pdd19_pir.pod
922 + added implementation of Rational PMC.
923 + simplified ops control flow syntax
924 + enabled backtrace on non-glibc platforms too
925 + improved some PIR error reporting
926 + removed user stack opcodes
927 (save, restore, lookback, entrytype, depth, rotate_up)
928 (NOTE: This was scheduled to occur after 0.7.0, moved up to this release)
929 + removed register stack, saveall, and restoreall opcodes
930 + removed various deprecated features and unused code
933 + C99: grammar updated
934 + Cardinal: resurrected, method calls and do blocks work now
935 + Eclectus: use NQP as PAST generating code
937 - added big number library
938 - updated to match PGE changes
939 - added a bytecode disassembler & a Lua 5.1 VM bytecode translator
940 + Pheme: updated to match PGE/PCT changes
942 - use NQP as PAST generating code
943 - use riaxpander for macro expansion
946 - conditional and loop statement modifiers
947 - lots of class, object, role, and method improvements
948 - Str increment and decrement
949 - improved spectest reporting
950 - type checking on assignment
951 - regexes and grammars
955 + Squaak: added to repository
958 + PGE: updated to match Synopsis 5, deprecated features removed
960 - improve handling of register types, conversion between registers
961 - improved error diagnostics
962 - add 'arity' to for loops
964 + added step auto::opengl
965 + added step gen::opengl
966 + added step gen::call_list
968 + still more optimizations and performance improvements, especially in GC
969 + new libraries: OpenGL/GLU/GLUT bindings (small subset working)
970 + new dump_pbc.pl utility: PBC disassembly/source code weaver
971 + improved C++ compiler support
972 + optimized builds work again
977 + drafted pdd29_compiler_tools.pod
978 + updated pdd28_character_sets.pod draft
979 + updated pdd19_pir.pod draft
981 + c99: added independent C pre-processor
982 + HQ9+: reimplemented with PCT
984 . reimplementation with PCT, using PAST and POST
985 . behavior aligned wih 5.1.3
987 . implemented basic I/O, including '$*IN', '$*OUT', '$*ERR', 'prefix:='
988 . implemented simple typing and runtime type checking
989 . added basic multi-method dispatch
990 . expanded named argument handling, including Pair and colonpairs
991 . added 'Whatever' and 'Capture' classes
992 . implemented 'handles' trait verb
993 . added 'loop' statement
994 . implemented 'given', 'when', 'for', 'while', 'until' statement modifiers
995 . implemented Hash methods '.keys' and '.values'
996 . fixed bug to get '.WHAT' working correctly
997 . initial implementation of 'eval'
1000 . created a bootstrapped build, see 'make boot'
1001 . added 'infix:<', 'infix:<=', 'infix:>', 'infix:>=' relational operators
1002 . added 'postfix:++', 'postfix:--' operators
1004 . added methods specifying default behaviors in PAST, reducing repeated code
1005 . improved symbol table lookup
1007 . removed deprecated code including: P6Regex, P6Grammar, PAST-pm
1009 + notable speedups during compilation and execution of parrot and HLLs
1010 + pdb (the parrot debugger) can now catch parrot exceptions
1011 + better detection of glibc and gettext during configuration
1012 + various bugfixes, code cleanups, deprecations, and coding standard fixes
1017 + launched pdd18_security.pod
1018 + updated pdd17_pmc.pod
1019 + launching draft of pdd28_character_sets.pod
1021 + cleanup of IMCC documentation
1023 + add step auto::gettext
1024 + add step auto::crypto
1028 . Phase out P6Regex in favor of Perl6Regex
1030 '.local Array my_arr' is illegal now
1032 + C99: reimplementation with PCT
1035 . add support for functions with params
1036 . add math functions
1039 . first cut at smart matching
1040 . indirect method calls
1042 . added methods 'grep' and 'first'
1043 . implement auto{increment,decrement}
1044 . initial implementation of 'perl6doc'
1047 . add base64 library
1048 + Cardinal: basic support for functions with parameters
1049 + Pheme: various updates
1050 + Ecmascript: various updates
1051 + Tcl: now targeting tcl 8.5.1, no more expected failures in test suite.
1052 (No, this doesn't mean everything's implemented. =-)
1053 + Eclectus: various updates
1054 + WMLScript: various updates
1057 + Add library YAML::Dumper
1058 + Add the MD2, MD4, MD5, RIPEMD160, SHA & SHA1 PMC, as a wrapper
1061 + various bugfixes, code cleanups and coding standard fixes
1063 + remove external Perl 5 modules from the Parrot distribution
1067 + PDD09 (garbage collection) - approved
1068 + PDD28 (character sets) - draft started
1069 + added function documentation to some core functions
1070 + PCT beginners guide, optable guide and PAST nodes guide, bug fixes
1072 + IMCC: plugged various memory leaks and other cleanups
1074 . add "attribute" as a scope variant to PAST::Var nodes
1075 . add 'shift' and 'pop' methods to PAST:: nodes
1076 + NQP: add '=:=' op, tests for scalar and list contextualizers, \x escapes
1078 + APL: reimplementation with PCT
1079 + Cardinal (Ruby): reimplemention with PCT
1080 + Ecmascript: reimplementation with PCT
1081 + lolcode: improved expression parsing, ifthen, IT, YARN
1083 . aligned with Lua official release 5.1.3.
1084 . added initial PCT-based implementation.
1085 + Punie (Perl 1): refactor to use standard PCT-based filenames
1086 + Pynie (Python): add functions
1088 . rebranded, formerly known as 'perl6'
1089 . passes many more official Perl 6 Specification tests
1090 . added 'perl6doc' utility
1091 . oo including meta?classes, objects, methods, attributes, role composition
1092 . match variables, while/until statements, traits
1093 . many new methods for Str, List, Hash, Junction
1096 + PCCINVOKE syntax for named arguments using []; use () instead.
1097 + see DEPRECATED.pod for details
1099 + pbc_to_exe refactored for code reduction, portability, and maintainability
1101 + #line directives added to generated JIT files, improving debugging
1102 + consting, attribute marking, refactoring, warnings cleanup
1106 + PDD27 (multiple dispatch) - debut of new design
1107 + Numerous small updates to glossary.pod, etc
1109 + NQP: optional, named, and named/required parameters
1111 + PAST: "defined-or"
1113 + New mk_language_shell.pl script creates language stubs
1116 + Eclectus: start with support for local variables and procedures,
1117 use SXML as intermediate representation
1118 + Perl 6: list builtins, compiler directives, command-line options, etc.
1119 + "make perl6" now builds a Perl 6 executable
1120 + punie: more builtins, control structures, code refactoring
1121 + pynie: builtin stubs, more tests
1123 + New "pbc_to_exe" utility turns bytecode to executables
1124 + New set_outer method for subs
1125 + Further configuration refactoring for testability
1126 + All functions now completely headerized
1127 + Concurrency: interpreter schedulers
1129 + DYNSELF (changes to SELF; SELF to STATICSELF)
1130 + METHOD (replaced by renaming PCCMETHOD)
1131 + pmcinfo op (superseded by 'inspect')
1132 + get_attr, set_attr, and 8 other vtable methods
1133 + See DEPRECATED.pod for details
1136 + Minor speed enhancements with UTF-8 string handling
1138 + consting, attribute marking, warnings cleanup, memory leaks plugged ...
1142 + PDD19 (PIR) - reflect state on the ground; incorporate old IMCC docs
1143 + PDD25 (Concurrency) - launch out of draft
1144 + Improve documentation of deprecated parrot features.
1146 + PCT: Parrot Compiler Toolkit redesigned and updated
1147 + NQP: major updates, including support for namespaces,
1148 module/class declarations, methods
1149 + IMCC: remove .sym as alias for .local. Remove .pcc_
1150 prefix for calling directives (.pcc_begin became .begin_call).
1151 + PIRC: creates an AST during the parse.
1152 + PGE: more updates to match S05 syntax.
1154 + perl6: re-implemented using PCT and NQP, new object subsystem
1155 + abc: re-implemented using PCT and NQP
1156 + eclectus: initial implementation
1157 + plumhead: add PCT variant
1158 + punie: re-implemented using PCT and NQP, extended to handle subroutines
1159 Happy 20th Birthday, Perl!
1160 + pynie: re-implemented using PCT and NQP
1161 + PIR: start conversion to NQP (under construction)
1163 + new opcodes: 'die', 'addhandler', 'copy'
1164 + Initial implementation of Concurrency PDD
1165 + Add 'arity' method to Sub and NCI PMCs
1168 + consting, attribute marking, warnings cleanup, memory leaks, GC...
1169 + dead code removal (includes some defunct languages)
1173 + PDD15 (OO) branch merged with trunk; this release contains a working,
1174 tested implementation of the latest OO model
1175 + Added pop_eh/push_eh_p/count_eh opcodes
1176 + Add --runcore command line option
1177 + Add gcdebug runcore to help track down GC bugs
1178 + minor improvements to IA-32 JIT
1180 + PDD19 (PIR): updates to macros, .pcc* directives
1181 + PDD25 (Concurrency): updated
1182 + PDD26 (AST): draft approved
1183 + PDD23 (Exceptions): draft approved
1184 + Copyright cleanups
1185 - Languages/Compilers
1186 + languages/APL: minor updates, PDD15 conformance
1187 + languages/dotnet: minor updates
1188 + languages/lua: minor updates, PDD15 conformance
1189 + languages/lisp: minor updates
1190 + languages/perl6: minor updates, PDD15 conformance
1191 + languages/plumhead: minor updates
1192 + languages/punie: minor updates, PDD15 conformance
1193 + languages/nqp: minor updates
1194 + languages/scheme: many updates, PDD15 conformance, improved tests, use
1195 PMCs instead of primitive registers to represent values
1196 + languages/tcl: bugfixes, PDD15 conformance
1197 + languages/WMLScript: minor updates
1198 + compilers/pirc: updates from PDD19, PDD06
1199 + compilers/pct: minor updates, PDD15 conformance
1200 + compilers/pge: PDD15 conformance
1201 + compilers/tge: PDD15 conformance
1203 + Improve test coverage
1204 + Improve reporting when a step fails; allow abort on failure
1206 + More coding standard conformance, tests, cleanup, speedups,
1208 + Bug cleanup, esp. GC bugs
1209 + Eliminate .imc extension (use .pir)
1210 + Simplify some core config steps to not allow interactive prompting
1216 + Bug fixes (including Coverity IDs 20, 22, 30, 119-122, 124-126, 129-131)
1217 Also various GC, memory, and segfault issues
1218 + Fix & reenable CGP core
1219 + Parrot's -r flag now works again (compile to and execute bytecode)
1220 + Updates to pmc2c & PIR syntaxes
1222 + Minor performance improvements, especially in PGE
1224 + PDD02 "Vtables" - superceded by PDD17
1225 + PDD06 "PASM" - minor updates
1226 + PDD17 "PMC" - add VTABLE syntax, update core PMC struct, restore UnionVal
1227 + PDD19 "PIR" - early review started
1228 + PDD21 "Namespaces" - cleanup
1229 + PDD24 "Events" - draft approved
1230 + PDD25 "Concurrency" - minor updates
1231 + PDD26 "AST" - draft version begun
1232 + PIR tutorials updated
1233 - Languages/Compilers
1234 + Make scheme work with the current calling conventions, other major work.
1235 + Updates to m4, lua, compilers/pirc, languages/PIR, dotnet, tcl
1237 + make -j functional again
1238 + Code cleanup (refactoring, optimizations)
1242 + Performed code review on every PMC
1243 + Modified PMC code generation to use Storable, reducing compile times
1244 + Added a makefile target to generate test coverage data of C sources
1246 + NQP: added lists, for loops, operators, comparison and multiplicative operators
1247 + Announced Kea-CL, Kea Common Lisp, an ANSI Common Lisp implementation
1248 The repository is available at https://rgrjr.dyndns.org/svn/kea-cl/trunk/
1250 + PDD17 "PMCs" - draft approved, the design is complete
1251 + Added more PIR tutorials, see examples/tutorial/00_README.pod
1253 + Many bugfixes, enhancements, documentation, and coding standard updates
1254 + Deprecated PMC constants and other crufty syntax, see DEPRECATED.pod
1255 + Improved icc compiler compatibility for error line reporting
1259 + Lots of code review, many bugs fixed
1260 + Many more code cleanups and compiler warning levels
1261 + Started a new jit engine for 64-bit processors
1262 + Refactored configure process, with tests and new diagnostic options
1263 + Added new CodeString PMC for dynamic generation of PIR code
1264 + More pdd15 support for object metamodel.
1266 + Added NQP ("Not Quite Perl"), a very lightweight Perl 6-like language
1267 + Significant improvements and refactors to PCT (Parrot Compiler Toolkit)
1268 + perl6 passes more spec tests
1269 + Lua works now with a PGE/TGE/PAST-pm based compiler, lives in one pbc,
1270 and the interpreter has same behavior as original.
1272 + Added a committers' HOWTO
1273 + More PIR tutorial examples
1277 - Now, with Seat Belts!
1278 + added makefile targets for Sun lint, BSD lint, and splint
1279 + corrected many errors picked up by these tools
1280 + decorated source code with compiler hints, assertions, and attribute macros
1281 + automated creation of function declarations to prevent common errors
1282 + increased compiler warnings levels
1283 + converted more exceptions to a recoverable form
1285 + updated Lisp, Lua, Perl 6, tcl, regex, Scheme ("Pheme")
1286 + Perl 6 now fetches selected tests from pugs, and even passes some
1287 + PGE modified to handle {*} action subs for top-down and bottom-up parsers,
1288 and to allow grammar subclassing
1289 + HLLCompiler now has better exception, eval, and exit support
1290 + Introduced PCT, a refactor of HLLCompiler and PAST-pm
1292 + PDD15 "Objects" - details added to 'new' and 'getattribute' opcodes
1293 + PDD17 "PMCs" - notes added on instantiation and dynamic extention in PIR
1295 + added Parrot-related text from "Perl 6 and Parrot Essentials" book,
1296 tutorial examples from "Learning PIR" talk, and PDD15 metamodel diagrams
1298 + reduced memory footprint when using named registers
1299 + implemented overridding of vtable methods by PDD15 classes
1300 + improved PDD15 support for 'new', 'instantiate', and others
1301 + added makefile targets to ease core and HLL makefile regeneration
1302 + updated parrot dubugger, "pdb", to allow loading of commands from file
1304 + many bugfixes, enhancements, documentation, and coding standard updates
1308 + Updated Lisp, Lua, PHP ("Plumhead"), Python ("Pynie"), ABC,
1309 WMLScript, and Tcl ("ParTcl").
1310 + Perl 6 passes all of the sanity tests.
1311 + PGE supports latest Perl 6 grammar syntax. Perl 6, Python
1312 ("Pynie"), and ABC parsers updated to match.
1313 + Updated PHP ("Plumhead") to Antlr 3.0.
1314 + Lua added the beginnings of a PGE/TGE based compiler (not yet
1315 replacing the Perl/Yapp compiler).
1316 + Lisp updated for current features, added a test suite.
1317 - Core Implementation:
1318 + Filled in features and backward compatibility for PDD 15 objects.
1319 New object metamodel passes 85% of old test suite.
1320 + GCC API symbols are visible externally only when explicitly exported.
1321 + Added generated GCC compiler attributes to increase warnings, and
1322 cleaned up resulting warnings.
1323 + Code cleanup efforts and fixed memory leaks by the cage cleaners,
1324 resulting in notable speed increases.
1326 + Updated Parrot distribution to Artistic License 2.0, from dual
1327 Artistic 1/GPL license.
1328 + SDL examples brought up-to-date with current features.
1332 + even more refactorings and improvements in configuration system
1333 + improved tests and documentation for configuration system
1335 + Updated abc, PHP ("Plumhead"), Lua, Tcl
1338 + new PMC PDD draft partially completed
1340 + continued implementation of PDD 15 (Objects)
1341 + minor garbage collector and memory management improvements
1342 + several memory leaks resolved
1343 + extended support for compilers other than GCC
1344 + improved C++ compiler compatibility
1345 + enhanced support for Solaris, non-MSVC Win32, and other platforms
1350 + IMCC: added documentation for C-based Parrot Calling Conventions,
1351 refactorings and bug fixes
1352 + PGE: new perl6regex front end reflecting recent S05 syntax changes
1353 + PIRC: new prototype PIR parser
1355 + Updated Lua, PHP ("Plumhead"), BASIC, pynie
1356 + Lua implements environment
1358 + PDD15 "Objects" - details added, and draft approved
1360 + Added guidelines for PMC documentation
1362 + PDD15 implementation is largely complete, including role-based composition,
1363 introspection, and C3 method resolution order
1364 + new Exporter PMC for importing globals between namespaces
1365 + new string utilities for radix conversion
1366 + PCCINVOKE and Parrot_PCCINVOKE allow calling using the full Parrot Calling
1367 Conventions from PMCs and C code respectively
1369 + Refactorings and improvements in test coverage for 'Configure.pl'
1371 + many bugfixes, enhancements, and code cleanup
1372 + added example subversion config file
1373 + extended support for gcc, icc, and other compilers
1374 + extended support for Solaris and other platforms
1380 + IMCC: Parrot calling conventions now available between two C PMCs (PMINVOKE)
1381 + PGE: Match object improvements
1382 + smop: added Attribute and Class PMCs
1383 + HLLCompiler: improvements for interactive mode
1385 + extended binding to a list of variables
1387 + Updated Lua, PHP ("Plumhead"), Tcl ("ParTcl"), Ruby ("Cardinal")
1388 + Update PIR, regex, Zcode
1389 + New language: Pynie - a Python compiler for Parrot
1390 + Lua implements require and many other ops, improved regex support
1393 + PDD01 "Overview" - updated architecture and platform information
1394 + PDD15 "Objects" - details on roles, objects, and classes added
1395 + PDD22 "I/O" - added async ops and Status PMC details
1397 + Added guides for Metacommitter, Relase Manager, and Cage Cleaner roles
1399 + Object, Class, Role, and Attribute PMC implementation has begun
1400 + Perl 5 module "Parrot::Embed" now compiles and links on all platforms
1402 + Major improvements in test coverage for 'ops2c.pl'
1404 + New utility: Crow, a template processor
1405 + New library module: Config/JSON for reading/writing JSON files
1406 + many bugfixes, enhancements, and coding standard updates, code cleanup
1411 + IMCC: Parrot calling conventions now available in C PMCs, allowing
1412 named, optional, slurpy, and flat parameter passing
1413 + PGE: extended support for Perl 5 Regexes
1414 + smop: prototype object model implementation
1415 + hllcompiler: refactored to run a configurable set of compilation stages
1417 + redesigned assign/binding to support Perl 6 binding semantics
1419 + Updated Lua, PHP ("Plumhead"), Tcl ("ParTcl"), perl6, perl5
1420 + New language: PIR - a PGE-based implementation of Parrot PIR
1421 + perl6 now supports binding (':=') and 'join'
1422 + lua generates tail calls, and supports its own regex flavor (PGE-based)
1423 + Pheme still works, huzzah!
1425 + PDD21 "Objects" - rewritten
1426 + PDD22 "I/O" - updated and 'TODO' tests added
1428 + Interface stability classification standards approved
1429 + Roles and Responsibilities documented approved
1430 + Official 'drafts' directory created (was 'clip')
1432 + More NameSpace and OS PMC methods implemented
1433 + Parrot executable fullname and basename now available in PIR/PASM code
1434 + new 'chomp' library function
1436 + Major improvements in test coverage for 'ops2pm.pl'
1438 + many bugfixes, enhancements, and coding standard updates
1439 + extended support for Sun Workshop Compilers
1440 + Parrot now builds on PocketPC platform
1445 + HLLCompiler: added tracing options, modified api
1446 + PGE & TGE bugfixes and updates
1448 + added global and lexical variable support
1449 + added looping constructs, arrays, hashes
1451 + Updated PHP ("Plumhead"), Tcl ("ParTcl"),
1452 forth, perl6, lua, abc, APL, WMLScript, punie
1453 + ParTcl is passing > 24.9% of Tcl cvs-latest test suite
1454 + perl6 now supports hashes, arrays, method calls, arity-based
1455 multisubs, quoted terms, ranges (non-lazy), try blocks, $!
1457 + PDD01 "Overview" - updated
1458 + PDD22 "I/O" - rewritten and approved
1460 + Converted Perl 5 Regex tests to PIR, with notable speedup
1461 + Added tests for opcodes, compilers, languages, and coding standards
1463 + Major improvements in test coverage for 'pmc2c.pl'
1465 + many bugfixes, enhancements, and coding standard updates
1466 + extended support for non-core platforms including Cygwin, Tru64
1470 - New languages: PHP ("Plumhead"), Forth
1471 - Updated languages: Ruby ("Cardinal"), Tcl, Lua
1472 - Remove old Python implementation from Parrot repository; the new Python
1473 language code is hosted at http://pirate.tangentcode.com
1475 + PGE updated with more expressions, latest changes to S05
1476 + new Perl 6 grammar compiler
1478 + Perl 5 module "Parrot::Embed" allows easy embedding of a Parrot
1479 runtime into a Perl 5 program
1481 + new :init pragma for subs that must run before the main function
1482 + new :vtable pragma to identify subs that override PMC vtable methods,
1483 eliminating the need for special subroutine names
1484 + PIR parser/compiler does not stop on first syntax error
1485 + Vanilla register allocator ("register alligator") greatly improves
1486 performance compiling large functions
1487 + Eliminated limit on number of PIR macros
1489 + hash lookups return null instead of None for missing keys
1491 + PDD13 "Bytecode files: format and manipulation" - new
1492 + PDD10 "Embedding" - new
1493 + PDD25 "Concurrency" - rewritten
1494 + PDD15 "Objects" - new section on redesign requirements
1495 + PDD07 "Coding standards" - significant updates and automated tests
1497 + Many many more new tests
1499 + autoconf compatible install options
1501 + Namespace refinements
1502 + Coroutine improvements
1503 + An impressive swarm of other bugfixes and enhancements
1507 - New languages: Ruby ("Cardinal"), Javascript ("ecmascript")
1508 - Updated languages: Tcl, dotnet, bc, Pheme, Punie, WMLScript
1509 - Updated compilers: PGE, TGE
1511 + ".loadlib" directive expresses dependencies
1512 + ".namespace" with no parameter goes to HLL root
1513 + lexer is reentrant (reentrant grammar in progress)
1514 - Namespace improvements:
1515 + new suite of opcodes to access namespaces and globals
1516 ("find_global" and "store_global" will be phased out)
1517 + namespace '' no longer means HLL root
1518 - Design document updates:
1519 namespaces (pdd23), basic types (pdd17), embedding
1520 - Updated tool requirements for developers:
1521 flex 2.5.33, bison 2.1, perl 5.6.1
1522 - New to-do list for people new to Parrot:
1524 - The usual plethora of bugfixes and enhancements
1528 - unicode subroutine names
1529 - hierarchical class names finished including MMD support
1530 - new dotnet CLI to PIR translator
1531 - improved TGE code and compiler
1532 - APL: vector handling
1533 - new STM branch in the svn repository
1534 - the usual bugfixes and enhancements
1538 - hierarchical class names
1541 - understands simple vector ops, strings
1542 - demonstrates use of Unicode in Parrot
1543 - pgc, a compiler for rules and operator precedence parsers
1544 - Major redesign and improvements for PGE
1545 - compilers understand named parameter options
1546 - :ratchet option implemented to support non-backtracking quantifiers
1547 - TGE (tree grammar engine) for tree transformations
1548 - tgc, tree grammar compiler
1550 - support for many operators, lexical scalars, regex matches
1551 - new pheme (Parrot scheme) compiler
1555 - namespaces partially implemented
1556 - rulec, Perl 6 rule compiler
1557 - PGE improvements including return values for closure
1558 - parts of a Perl 6 parser based on PGE
1559 - complex trigonometric methods
1560 - type of Sub PMC is now overridable by HLL
1562 - many bug fixes and improvements
1566 - improved PPC and x86 JIT support including JIT compilation
1567 of very simple PASM/PIR subroutines
1568 - preliminary libreadline support
1569 - better trace and debug features
1571 - META.yml to support proper indexing on CPAN
1572 - new opcode: hcf (in "my_ops" in dynamic op library)
1573 - new File pmc for file specific ops (is_dir, is_file, copy, rename...)
1574 - named arguments and parameters (both :named("") and => syntaxes)
1575 - ongoing config improvements
1576 - tons of bug fixes and other small improvements - too much to list all
1580 - Installation: 'make install' is using standard locations now
1581 (/usr/local is the default --prefix)
1582 - Produce static and shared libraries on some systems
1583 - Configure system rearragement
1584 - OS pmc started (mkdir,cd,cwd,rm,umask,stat)
1586 - Test files are now testable with 'prove'
1587 - Smoke (and smokej) outputs progress
1588 - PIR supports: I = A < B (>,<=,>=,==,!=)
1589 - Add support for octal number constants
1591 - almost finish [string]; start [file]
1592 - add build tool for generating inline'd tcl builtins from templates.
1593 - Jako updates: NCI, subroutines, global variables and constants all work.
1598 - New lexical handling and closure support including better
1599 introspection for caller and outer
1600 - PGE (Parrot Grammar Engine) provides now compilers for P6Rule,
1601 P6Grammar, P5Regexp, and Glob
1602 - ca. 1000 new tests including 800 for Perl5 regexp
1603 - Improved unicode charset and encoding support
1604 - Calling conventions for exception handlers
1605 - Punie (Perl 1) uses TGE (Tree Grammar Engine) to convert from
1606 PGE match objects to AST via two steps of tree transformation grammars
1607 - New languages: amber and lua
1608 - The usual code fixes, cleanup, and improvements, including an overhaul
1609 of the config and test framework
1613 - Variable sized register frames are finished. Each subroutine gets
1614 the amount of registers that it actually needs. No more spilling.
1615 - Vastly improved PGE (Parrot Grammar Engine) including shift-reduce,
1616 precedence-based expression parser and support for matching of
1617 bracketed text delimited by e.g. ()[]{}'"
1618 - uniccode character classification (is_upper ...)
1619 - support for heredoc syntax in assembler
1620 - improved examples, basic JSON support
1621 - debian packaging support
1622 - the usual improvements, bug fixes, and cleanup
1623 - test count exceeds 3000
1627 - New calling conventions implemented: see PDD03 for details
1628 - Merge multiple Parrot bytecode (PBC) files into a singe PBC file
1629 - 'make smoke' target going beta
1630 - bc now supports if statements, comparison ops, prefix inc/dec
1631 - ParTcl adds [lassign], [switch] (partially); [expr] converted to a compiler
1632 - Many exciting doc updates, tests, and bugfixes, too numerous to mention
1636 - Dynamic classes now compile on Windows (including ParTcl)
1637 - New Super PMC allows easy access to superclass methods
1638 - Implement C3 method resolution order (just like Perl 6 & Python)
1639 - ParTcl has new PIR-based parser and passes more Tcl tests
1640 - added character class support in Globs to PGE
1641 - added language implementations of unlambda, Lazy-k
1642 - many bugfixes, including GC and memory leaks
1643 - the new calling scheme continued to evolve in branches/leo-ctx5
1647 - new call scheme: docs/pdds/pdd03_calling_conventions.pod
1648 - partial implementation of the new calling conventions
1649 PASM only, don't mix PIR foo() call syntax with the new scheme
1650 - grammar and rule support in PGE - the Parrot Grammar Engine
1651 - TCL passes >10% of the tcl test suite
1652 - the usual bugfixes and improvements
1656 - better HLL support (short names for object attributes, and
1657 .HLL and n_operators pragmas)
1658 - string encoding and charset can now be set independently
1659 - experimental mmap IO layer for slurping files
1660 - distinct debug and trace flag settings
1661 - glob support in PGE
1662 - new character classification opcodes and interfaces
1666 - parrot repository is now under subversion
1667 - MMD (Multi Method Dispatch) enhanced
1668 - new unary and infix opcodes that return new result PMCs
1669 - dynamic scalar PMCs inherit now almost all from Parrot core PMCs
1670 - more unification of PMCs and ParrotObjects
1671 - tailcalls for functions and methods
1672 - PGE (Parrot Grammar Engine) reworked
1673 - Pugs creates Parrot code and Pugs is a registered compiler now
1674 - new languages/lisp
1675 - the usual bug fixes and improvements
1679 - New string handling code. Strings now have charset and encoding
1680 - Parts of a generation garbage collector
1681 - Better Python code, separated in dynclasses
1682 - Parrot Grammar Engine
1683 - Improved test coverage and documentation
1687 Parrot 0.1.1 is an intermediate release with tons of updates and fixes.
1688 - Python support: Parrot runs 4/7 of the pie-thon test suite
1689 - Better OS support: more platforms, compiler, OS functions
1690 - Improved PIR syntax for method calls and <op>= assignment
1691 - Dynamic loading reworked including a "make install" target
1692 - MMD - multi method dispatch for binary vtable methods
1693 - Library improvement and cleanup
1694 - BigInt, Complex, *Array, Slice, Enumerate, None PMC classes
1695 - IA64 and hppa JIT support
1696 - Tons of fixes, improvements, new tests, and documentation updates.
1697 A lot is unfinished and keeps changing. Nethertheless Parrot is stable
1698 and usable at the surface, while internals are moving.
1701 - "Ladies and gentlemen, I give you... objects!"
1702 - Huge documentation overhaul
1703 - More supported platforms, s. PLATFORMS
1704 - Basic thread support for pthread based architectures
1705 - Basic event handling for timers and signals including:
1706 - PASM callbacks for NCI (native C) functions.
1707 - Improved platform configuration
1708 - COW stacks now working, stacks code redone
1709 - Structure handling vastly improved
1710 - Random PMC and rand primitives
1711 - Better subroutine call syntax in PIR
1712 - Make PIR subroutines compliant with pdd03
1713 - Improved profiling (DOD, GC timings)
1714 - Hash code improvements, incl. random key order support
1715 - Experimental freeze/thaw code for some PMC types
1716 - IO improvements for buffered layer and Win32
1718 - String bitwise vtables
1720 - Support for JIT, where malloced memory isn't executable
1721 - Priority DOD scheme for objects that need timely destruction
1722 - Improved byte code loading (e.g. onLoad functions)
1723 - Language updates: forth, Perl 6/P6C, m4
1724 - Libraries: Getopt_Long, SDL, Dumper, Sort
1726 - Unified imcc and parrot test handling
1727 - Many new tests (make test reports 1386 tests)
1728 - Numerous bug fixes
1731 - The Big Move: Parrot source and build files rearranged into sub dirs
1732 - Build imcc as parrot
1733 - Objects more finished
1734 - Delegate vtable methods to byte code
1735 - Binary multi-method dispatching
1736 - Isa and does methods for PMCs
1737 - Call byte code from C
1738 - Start of extension interface
1739 - Experimental struct handling
1740 - Catch access to NULL PMCs
1741 - Experimental network socket interface code and opcodes
1742 - IO fixes and improvements
1743 - Dynamic opcode libraries
1744 - Fix-assigned opcode numbers
1745 - Argument flattening for function calls
1746 - More native call interface (NCI) signatures
1747 - Ncurses, postgres, and pcre interface libraries
1748 - Forth language is vastly improved
1749 - BSD and Win32 build improvements
1750 - Many new tests and fixes
1753 - This number intentionally left blank
1757 - Dynamic PMC registration
1758 - Trial exception system
1759 - Beginnings of object system
1762 - I/O system improvements
1764 - Documentation for basic PMC types
1765 - IMCC support of Parrot Calling Conventions
1766 - Runtime loading of chartypes (and other string improvements)
1767 - Conditional breakpoints
1768 - Dramatically accelerated sweeps for finalizable objects
1769 - Small PMCs (PMCs split into core and extensions)
1770 - Loadable bytecode packfiles
1772 - Sub variants that deal with the stack correctly
1773 - Switched runops core
1774 - Line numbers in warnings
1775 - Environment access
1776 - Many documentation cleanups
1777 - Conversion to CPS style!
1778 - BASIC debugger and many other wacky features
1779 - Filename, line number parsing support in IMCC
1784 - some more benchmarking
1786 - optimized math ops
1787 - intersegment branches
1788 - more complete use of PObjs
1789 - beefed up packfiles
1790 - sub/continuation/coroutine fixes
1791 - better NCI (native calling interface)
1792 - many imcc improvements
1797 - Native function calling interface (Dan)
1798 - Stack/list aggregate rewrite (Leo)
1799 - Scratchpads (Jonathan Sillito)
1800 - Preliminary DotGNU support -- type conversion ops (Gopal V + Leo)
1801 - Buffer/PMC unification (Leo)
1802 - stabs debugging support for JIT (Leo)
1803 - Jako overhaul (Gregor)
1804 - Optional Lea allocator (Leo)
1805 - Parrot sprintf (Brent)
1807 - PMC Properties (Dan)
1808 - Various JIT improvements (D. Grunblatt + Leo)
1809 - Extensible packfiles (Juergen)
1810 - Restructured PMC hierarchy (Leo)
1811 - Real Scheme (Juergen)
1815 - Several new grammars and a BNF -> perl5 and perl6 converter (Jeff)
1816 - Working Perl 6 REs (Sean)
1817 - Keyed Access (Tom Hughes et al)
1818 - New PMCs (Alberto et al)
1819 - Better Documentation
1821 - GC acceleration (Mike Lambert)
1822 - Lexical scope (Jonathan Sillito)
1828 - Perl 6 Grammar and Compiler (Sean)
1829 - Subroutines, coroutines, and continuations (Melvin)
1830 - GC improvements (Peter Gibbs, Mike Lambert)
1831 - Global variables (Melvin)
1832 - Intermediate bytecode compiler (Melvin, Angel)
1833 - And much, much more.
1837 - New assembler that support keyed types (Jeff)
1838 - New macro layer, allowing constants (Jeff)
1839 - New Configure.pl (Brent)
1840 - Changes to bytecode format, endian issues resolved (Melvin)
1841 - GC improvements and bug fixes (Peter Gibbs, Mike Lambert)
1842 - JIT compiler rewrite (Jason and Daniel)
1843 - Parrot assembler in Parrot (Daniel)
1844 - Parrot debugger (Daniel)
1845 - BASIC polished, Eliza.bas is new (Clint)
1846 - Cola compiler committed and working, with limited OOP (Melvin)
1847 - Keyed aggregates (Steve Fink)
1848 - Global ops (Melvin)
1849 - Compile-time speedup (Melvin)
1850 - Much documentation
1852 - Contributed tetris and lzw files
1853 - And many more, from the cast of thousands
1858 - Perl Scalar support in PMCs
1859 - Array and Hash types almost ready for prime-time
1860 - Internal support for keyed types
1861 - EMACS editing mode
1863 - New Language - BASIC
1864 - Regular expression compiler
1866 - Many, many bug fixes, enhancements, and speedups
1870 - Arena-based memory allocation system
1873 - "Predereferencing" mode - ./parrot -P - 22% speedup
1874 - JIT compiler - ./parrot -j
1875 - Parrot now builds warnings-clean on many platforms
1876 - Many more PMC methods implemented
1877 - Regular expression operations
1879 - Basic support for embedding Parrot in other programs
1881 - Added PDDs to distribution
1885 - Added an assembly optimizer
1886 - Improved string encoding/type support
1888 - Source reformatting
1889 - Major refactoring in packfile library
1890 - More Miniperl functionality
1891 - New PMC "clone" operator
1892 - Beginnings of key-based access to PMCs - arrays and hashes
1893 - MOPS comparisons in examples/mops/
1898 - Perl base scalar types implemented
1899 - A new minilanguage, Scheme
1900 - Much improved documentation
1901 - Register stacks pushing and popping
1902 - User stack pushing, popping and rotating
1903 - Jako updates: subroutines, more example programs, optimizations
1904 - test_prog renamed to 'parrot'
1906 - Added features to the assembler: @ for current location, and global
1908 - Build tweaks for VMS
1909 - Bytecode typing clean-ups
1910 - More platforms: OS X, HPUX, OS/2
1911 - The proliferation of runops cores reduced to one fast and one slow one
1912 - Opcode tracing, bounds checking, profiling
1913 - Vastly improved string support, with separation of encoding and
1916 - Multiple interpreter creation support - the beginnings of threading
1917 - Much better resource handling - the beginnings of GC
1921 - Parrot now works on all core platforms
1922 - A large number of tests, in the standard Perl testing framework
1923 - A new minilanguage (Jako) which compiles to Parrot assembly
1924 - Documentation about the assembly language (docs/parrot_assembly.pod)
1926 - Separate modules for assembly (Parrot::Assemble) and bytecode
1927 manipulation (Parrot::PackFile::*, packfile.c)
1928 - Assembler completely rewritten
1929 - Better operand-type guessing in the assembler
1930 - Assembler support for '\n' etc. in string constants
1931 - Code reformatted to match the coding standards
1932 - New ops for register-constant INTEGER comparisons
1933 - Macro expansion in the assembler
1934 - IVs and NVs renamed to more friendly INTVAL and NUMVAL
1935 - Hard-coded pack("") formats removed
1936 - Better handling of floating-point numbers in assembler
1937 - Moved floats to constant table (fixing many alignment issues)