5 + Various long-standing bugs in IMCC were fixed
7 + Tools to distribute on CPAN were removed
9 + Many tests for the extend/embed interface were added
10 + done_testing() is now implemented in Test::More
12 + Six Parrot-related projects accepted to GSoC
16 + Allow passing parameters to the dynamic linker ('dlopen' improved)
17 + loadlib opcode added
18 + Calling conventions are now much more consistent, and follows natural
19 semantics of handling arguments and return values
20 + Recursive make for src/dynpmc removed
21 + Datatype STRINGNULL for a single Null STRING added
22 + config_lib.pasm replaced with config_lib.pir
24 + Improved handling of new compilers
25 + Cygwin packages will be updated again with Parrot releases
26 + Fedora packages add desktop files
27 + gzip and bzip2 compressed tar files for releases
29 + tapir executable added; tapir is a TAP test harness
30 + Added TAP options --merge --ignore-exit
32 + 3 month cycle for supported releases
33 + Review and vote of GSoC applications
37 + Most internal allocations now use the GC
38 + RNG non-randomnes fixes
39 + Elimination of much dead code
41 + PMCs can now be initialized from an int
42 + Many legacy ops are removed
44 + Sun cc and Intel icc support have been restored
45 + Compiler invocation no longer goes through a Perl script
47 + NCI thunks are now generated by self-hosted PIR code
51 + GC performance and encapsulation were greatly improved.
52 + PMC freeze refactored.
53 + More Makefile and build improvements.
55 + The Array PMC was removed.
56 + Several deprecated vtables were removed.
57 + The OrderedHash PMC was substantialy improved.
59 + Packaging improvements on some operating systems.
61 + Some cases in pbc_merge are now handled.
62 + Improvements were made to the dependency checker.
63 + New tool nativecall.pir added.
67 + Context PMCs now support attribute-based introspection
68 + Context and CallSignature PMCs merged into CallContext
69 + .lex directive throws exceptions when used with incorrect register types
71 + Packaging improved for free OS distributions
72 + PPC, PPC64, and ARM now tested when running Linux
74 + Minor improvements to the profiling runcore
75 + Improvements from the CallContext PMC merge
77 + In/out parameters in STRING modification functions
78 + Void handling in NCI signatures
79 + Parameter passing opcodes order in PBC
81 + Continued migration of core tests from Perl 5 to PIR
83 + dependency checker improved
85 + Deprecation cycle length changed to three months from six
86 + GC accuracy improved
87 + PMC freeze improvements; much more reliable
88 + Makefile improvements for dependency handling
92 + Made profiling runcore output format configurable and extensible
93 options include "pprof" and "none" ("binary" and "callgrind" are planned)
94 + Added environment variables to specify profiling output type and filename
95 (PARROT_PROFILING_OUTPUT and PARROT_PROFILING_FILENAME)
96 + Began merging Freeze/Thaw and Bytecode generator/loader
98 + Included latest nqp-rx compiler, with many improvements
99 - GLOBAL:: package identifier
100 - dynamic variables look in global namespace
101 - $obj."$method" syntax
102 - :p(os) and :c(ontinue) option on regexes
103 - try/CATCH/CONTROL handling
104 - support leading & on subroutine declarations
105 - allow "category:<symbol>" names (for builtin operators)
106 - simple version of smartmatch operator
107 - simple regex matches
108 - updated HLL::Compiler with new import/export methods
110 + Portability updates for RTEMS, and Intel architectures with GNU compilers
111 + Completed conversion of ticket tracking system from RT to Trac
112 + New draft of PDD31 for HLL export API and import implementation
113 + Several (build time, runtime) performance improvements
114 + Converted many tests to PIR, reducing test execution time
115 + Various bugfixes, code cleanups, and coding standard fixes
119 + The FileHandle PMC now exposes the exit code of child process that was run as pipe.
120 + Experimental support for overriding VTABLE invoke in PIR objects was added.
121 + The method 'type' was added to the PackfileAnnotations PMC.
122 + The internals of the parrot calling conventions, PCC, were reworked.
123 All call paths now use a CallSignature object for passing arguments and return values.
124 + The new API-function 'Parrot_ext_call' was added for calling into C-land.
125 + The fixed-size allocator was improved.
126 + The files installed by 'make install-dev' are now covered by 'make install' as well.
127 + The experimental ops 'fetch' and 'vivify' were added.
128 + The -I option to the command 'parrot' now prepends items to the search path.
129 + The Context struct was substituted with auto attributes (context_auto_attrs branch).
130 + Use the osname determined in auto::arch in subsequent configuration steps (convert_OSNAME branch).
131 + Eliminated dependence on Perl 5 '%Config' in auto::format (auto_format_no_Config branch).
132 + MultiSub PMCs now stringify to the name of their first candidate,
133 instead of the number of candidates.
134 + The platform detection at the start of the configuration process was improved.
135 + The 'lineof' method on CodeString objects now precomputes line number information
136 to be more efficient on variable-width encoded strings.
137 + P6object now supports .WHO and .WHERE methods on protoobjects.
139 + A shiny new self-hosting implementation of NQP has been added in ext/nqp-rx.
140 - New NQP available as nqp-rx.pbc or parrot-nqp fakecutable.
141 - NQP includes direct support for grammars and regexes, including protoregexes.
142 - NQP has a new PAST-based regex engine (intended to replace PGE).
143 - Regexes may contain code assertions, parameters, lexical declarations, and more.
144 - Double-quoted strings now interpolate scalar variables and closures.
145 - Subroutine declarations are now lexical by default.
147 - PAST::Block now supports an 'nsentry' attribute.
148 - PAST::Var allows 'contextual' scope.
149 - Attribute bindings now return the bound value.
151 + Fixes for the port of Parrot to RTEMS were applied. Yay, first port to a real time OS!
152 + On NetBSD, shared libs are now used.
154 + Use the the fixed-sized allocator in the Context and the CallSignature PMC.
155 + Many small speed improvements.
157 + MT19937, the Mersenne twisted pseudorandom number generator, is now hosted on github and
158 will be removed from the Parrot core. (eligible in 2.1)
159 + The 'Parrot_call_*' functions for invoking a sub/method object from C are
160 deprecated. They are replaced by 'Parrot_ext_call'. (eligible in 2.1)
161 + All bitwise VTABLE functions are deprecated. (eligible in 2.1)
162 + All bitwise ops will become dynops. (eligible in 2.1)
163 - Realized deprecations
164 + The slice VTABLE entry was removed.
165 + The last traces of the 'malloc' garbage collector were removed.
166 + Parrot_pcc_constants() was renamed to Parrot_pcc_get_constants().
167 + The deprecated functions from the Embedding/Extension interface were removed.
168 + The library YAML/Parser/Syck.pir was removed.
169 + The VTABLE function instantiate_str() was removed.
170 + Building of parrot_nqp was removed.
172 + The test coverage of the time-related ops was much improved.
173 + New testing functions in Test::More: lives_ok() and dies_ok().
174 + The Perl 5 based test scripts t/op/bitwise.t, t/op/comp.t, t/op/inf_nan.t,
175 t/op/literal.t, t/op/number.t, t/op/sprintf2.t, and t/op/00ff-dos.t were converted to PIR.
176 + The test scripts t/op/annotate.t and t/op/time.t have begun
177 to be translated from Perl 5 to PIR.
178 + In some tests the dependency on %Config from Perl 5 was eliminated.
180 + The meaning of 'p' means in NCI function call signatures was clarified.
182 + The stub for a new language, as created by mk_language_shell.pl,
183 now relies on the PIR-based tools, which are replacing the Perl 5-based tools.
184 + The library Configure.pir was added.
185 + The library distutils.pir was added.
187 + The mailing list parrot-users and a corresponding google group was created,
188 http://groups.google.com/group/parrot-users.
189 + Many bugfixes, code cleanups, and coding standard fixes.
193 + Parrot_capture_lex has been added to the PARROT_EXPORT API
194 + PARROT_MAX_ARGS has been increased from 8 to 16 to allow for ops that take more than 8 args
196 + The profiling runcore now caches metadata for improved performance
197 - Maintenance and cleanup
198 + Expanded the Parrot debugger documentation
199 + Parrot debugger now uses the new Parrot STRING API
200 + Continue to port rest of internals to use the STRING API
202 + The JIT subsystem has been removed and is being written from the ground up. More
203 information can be found at https://trac.parrot.org/parrot/wiki/JITRewrite
204 + Implicit optional named parameters (eligible in 2.1)
205 + Continuation-based ExceptionHandlers (eligible in 2.1)
206 + Use of undocumented variables in class_init (eligible in 2.1)
207 + Parrot_oo_get_namespace (eligible in 2.1)
209 + Improved line number tracking in IMCC
211 + Converted many more Perl 5 tests to PIR
212 + Expanded test coverage of the CallSignature, Namespace, FixedPMCArray,
213 ResizeableIntegerArray and ExceptionHandler PMCs
217 + Added a fixed-size structure allocator to the Garbage Collector
218 + Added a "lazy" mode to the PObj and Fixed-Size memory allocators
219 + Added a profiling runcore, which generates Callgrind-compatible output
220 + Added lexical subsystem opcodes: find_dynamic_lex, store_dynamic_lex
221 + Converted Contexts to garbage-collectable PMC structures
222 + Created a new Context API
223 + Enhanced the PMC allocator to automatically allocate ATTR structures
225 + Optimized opcodes to cache the current Context for subsequent lookups
226 + Reduced string comparisons in VTABLE_isa
227 - Maintenance and cleanup
228 + Began proper encapsulation of STRING API
229 + Unified all PMC destruction functions
230 + Unified Continuation PMC and Parrot_cont structure
231 + Unified Sub PMC and Parrot_sub structure
232 + Removed PMC_EXT structure
233 + Removed PMC_Sync from PMC
234 + Removed UnionVal from PMC structure
236 + Fixed several stack-walking bugs in Garbage Collector code
237 + Fixed bug when copying a NULL STRING, now returns empty STRING struct
239 + Converted several Perl5 tests to PIR
240 + Expanded test coverage of NameSpace PMC
242 + Made Parrot Compiler Toolkit available in the base install
246 + Removed several deprecated functions and features
247 + Removed bsr, jsr, branch_cs, and ret opcodes
248 + Removed global stacks system
249 + Changed OPS file format to include explicit preamble
250 + Changed all "new 'Iterator'" instructions into 'iter' instructions
251 + Removed Configure.pl options for specifying non-working GC cores
252 + Removed unexecuting code as found by Coverity
253 + Improvements to the Parrot Debugger
254 + Added experimental fixed-size structure allocator to the GC
255 + Added experimental lazy arena allocation to the GC
256 + Refactored hashes, keys, and iterators
257 + Added "corevm" make target to build Parrot without all the supporting libraries
258 + Removed Random PMC type and added in a "rand" dynop
259 + Optimization and Improvements to the NCI thunk generator
260 + New include file libpaths.pasm
262 + Multiple .local with same name and different type is now an error on IMCC.
264 + Improved support for detecting Fink and Macports
265 + Updated search directories for libraries
267 + "Parrot Developers Guide: PIR" released to publisher and available to purchase
268 + Improved documentation about Parrot Debugger
269 + Update PGE Documentation
271 + Deprecate 'PASM1' compiler object, update to warn instead of segfault
273 + Fixes to code, documentation, and standards
277 + Key and Iterator refactor
278 + Major pbc_to_exe generated code speed improvement
279 + New "Infinite Memory" GC core for demonstration purposes
280 + gc_debug runcore and GC-related heisenbug fixes
281 + Elimination of variable expansion in parrot_config
282 + CLI arguments are processed as Unicode by default
283 + Substantial optimizations in NCI
284 + Parrot builds on Win64
285 + Hashes can use native types as keys and values
286 + Fixed installed pbc_to_exe
287 + Simplification of PMC generation code
288 + Improved GC encapsulation and API documentation
290 + List of candidates for embedding API (docs/embed.pod)
291 + PIR book sent to publisher
293 + Several conversions of Perl test to pure PIR.
294 + C indentation coding standards test improvement
295 + Improved test coverage of example code
297 + Removal of PGE rules: <null> <fail> <sp> <lt> <gt> <dot>
298 + Removal of PGE methods: .text .item .result_object
299 + Deprecation of most dynops
301 + Beginnings of OpenGL::Math library; OpenGL bindings and library marked experimental
302 + Localizing and consting fixes
303 + Many memory and thread-related leaks plugged
307 + Optimized parts of the IO system
308 + Fixed inheritance hierarchy of FileHandle and Socket PMC types
309 + Fixed leaks involving subroutines and Parrot_Context
310 + Cleaned up and refactored GC internals, including fixes and optimizations
311 + Optimized PMC class manipulations to use type numbers instead of string names
312 + Fixed problems involving hashval calculations in strings
313 + Removed unnecessary MULTI dispatches in built-in PMCs
314 + Fixed memory leaks involving PMCs that were not properly destroyed
315 + Fixed creation of PMCProxy PMCs in correct namespaces
316 + Added preliminary Pipe support
317 + Fixed cloning of Object PMCs
318 + Added root_new opcode
319 + Added initial versions of Packfile PMCs with read/write capabilities
321 + Fixed several memory leaks in IMCC
322 + Updated PCT to use root_new opcode
323 + Added support for keyword "self" in NQP
325 + Improved and expanded /docs/book
326 + Updated project documentation
327 + Defined 'experimental' status and procedures in DEPRECATED.pod
329 + Cleaned code and improved code-level documentation
330 + Various bugfixes, code cleanups, and coding standard fixes
331 + Added an experimental compiler library to help use PIR libraries from HLLs
332 + Updated OpenGL library and examples to support experimental HLL import
336 + Fixes for pir classes inheriting from core pmcs.
337 + Cleaned up headers and reorganized some sources into subsystem directories.
338 + Clean up PMCs so libparrot.so exports far fewer vtable/method symbols.
339 + Clean up the GC API.
340 + Several unicode identifier improvements in IMCC.
342 + Protoobject stringification is gone.
344 + Rewrite several core documents.
345 + Many reworks, improvements & additions to the Parrot Book.
346 + Installation PDD is launched out of draft.
348 + Fixes for running the language shell generator outside the parrot tree.
349 + Several fixes for developing and building HLLs from an installed parrot.
350 + Configure.pl now has a --no-line-directives option to ease source level debugging.
352 + Portability updates for macports, netbsd, mingw32, hpux.
353 + Several (build time, runtime) performance improvements.
354 + Lots of updates to examples and tests.
355 + Various bugfixes, code cleanups, and coding standard fixes.
359 + Added op: load_language, find_caller_lex
360 + Socket IO are back as PMC
361 + Refactor some PMC: Hash, ManagedStruct
365 - Allow \x, \c, and \o in enumerated character classes (incl ranges)
366 - Add initial greedy-only version of ** <exp> quantifier
368 - Add HLL source line bytecode annotations
369 - Add another dumper format to assist syntax highlighters
370 - Revise mk_language_shell.pl to updated create_language.pl
372 + Removed ops: gcd, exec, classname, need_finalize, runinterp, substr_r
373 + Removed dynamic op: mul
374 + Removed .HLL_map directive; use interp's .hll_map() instead
375 + Removed PMCs: slice, bound_nci, ref
376 + Removed Configure.pl option: --pmc
377 + Removed PMC union struct
380 - Reorganization and many improvements & additions
382 + Add a parrot-fuzzer
384 + Improve Debian/Ubuntu package
385 + various bugfixes, code cleanups, and coding standard fixes
390 + New user documentation for exceptions.
391 + Updates to Chapters 4 & 5 of the Parrot book.
392 + Improved and expanded generated HTML documentation, as the input for
393 http://docs.parrot.org.
394 + Added Compiled HTML Help (.chm) version of documentation.
395 + Cleanups and fixes.
398 - left the nest and is now at http://pynie.googlecode.com/
400 - left the nest and is now at http://github.com/cardinal
402 - left the nest and is now at http://paraplegic.googlecode.com/
403 + ABC, Squaak, and Befunge moved to examples/.
404 + All remaining languages moved to https://svn.parrot.org/languages/
406 + Support for language builds from an installed Parrot.
407 + Expanded language shell generator for new languages.
408 + 'parrotbug' utility repurposed for the Trac interface.
410 + Removed deprecated Tqueue and Closure PMCs.
411 + String, Key, NCI, LexPad, Iterator, Sub, Continuation, RetContinuation,
412 ExceptionHandler, ParrotLibrary, ParrotInterpreter, ParrotThread,
413 ParrotRunningThread, Rational, FixedPMCArray, ResizablePMCArray, and
414 GDBMHash PMCs now use declared attributes (ATTR), in place of the
420 + Support for portable 'Inf', 'NaN' and -0.0
421 + pbc_disassemble prints constants in constants table
422 + New experimental BigNum implementation
423 + Pair is now a dynamic loadable PMC
424 + Various function name sanification
425 + New implementation of Strings component
426 + Replace various PMC value union access code by VTABLE method invocations
427 + Replace various PMC value unions by ATTRibutes
428 + Removed SArray PMC. Use FixedPMCArray instead.
431 - updates to Chapter 2 (getting started)
432 - updates to Chapter 3 (PIR basics)
433 - updates to Chapter 4 (PIR subroutines)
434 - updates to Chapter 10 (HLLs)
435 - updates to Chapter 12 (opcodes)
436 + Function documentation
437 + Pod documentation style modernized; no longer Perl 5 style.
438 + PMC has an additional acronym: Poly Morphic Container
439 + The DOD (Dead Object Detection) acronym is no longer used;
440 use 'GC' to refer to the Garbage Collector component.
443 - :named flag can now take string registers as argument
444 - A single '=cut' directive is now ignored (without initial Pod directive)
445 - :vtable subs now have proper access to 'self' pseudo variable
447 + add new 'Pod' documentation parser
448 + Pipp (PHP implementation):
449 - Pipp is now at http://github.com/bschmalhofer/pipp
450 - support for 'print', 'dirname', 'implode', 'str_replace',
451 - various grammar fixes
453 + add 'quit', 'readline' builtins
454 + fix 'Boolean' type and 'print' builtin
456 - left the nest and is now at http://github.com/fperrad/lua/
458 - left the nest and is now at http://github.com/rakudo/rakudo/
459 - build instructions can be found at http://tinyurl.com/rakudo
461 - left the nest and is now at http://github.com/bschmalhofer/lazy-k.git
463 - left the nest and is now at http://github.com/bschmalhofer/unlambda/
465 - left the nest and is now at http://github.com/fperrad/wmlscript.git
466 + removed Zcode implementation
469 - ATTRs are now inherited automatically in subclassing PMCs
471 + Parrot_readbc, Parrot_loadbc renamed to Parrot_pbc_read, Parrot_pbc_load.
472 + .HLL_map directive in favour of 'hll_map' method on Parrot interpreter
473 + Data::Escape library
475 + pbc_disassemble options added
476 + pbc_dump renamed from pdump
478 + Parrot is now Copyright Parrot Foundation
479 + Parrot's SVN repository is now hosted at https://svn.parrot.org
480 + Various code cleanups, consting, 64-bit incompatibilities and other bug fixes
483 New in January 2009 release (0.9.0)
485 + Implemented bytecode annotations
486 + Role composition is now aware of multi-subs
487 + Unbuffered IO PMCs now autopromote when buffering is necessary
488 + Installation parrot binary and libparrot shared library now supported
489 + Class registry now respects HLLs
492 - removed keyed string indexing, e.g. $S0[1].
493 - removed slice syntax, e.g. $P0[1..2]
494 - removed .namespace <ident>/.endnamespace <ident> pair
495 - fixed 'new $P0, [classname]' syntax
497 - refactoring of various data structures
498 - various bug fixes and updates
499 - complete bytecode generation
500 - add '-x' commandline option to run compiled code
502 - add 'hll' and 'subid' attributes to PAST::Block
503 - refactor loop handling code to handle last/redo/next
504 - add :pasttype('stmts') and :pasttype('null')
505 - improve "scope not found" error message
506 - allow PAST::Val nodes to contain block references
508 - add "skipkey" option to PGE::OPTable
509 - allow spaces before modifiers in regexes
510 - add '(' ~ ')' goal matching syntax
511 - skip creating a class/grammar if it already exists
514 - improved error mesages in multi dispatch
515 - implemented clone method for all objects
516 - implemented MAIN sub
517 - Unicode versions of infix hyper operators
518 - refactored IO.readline
519 - basic support for Inf and NaN
520 - list and array slices with whatever star
522 - implemented last and redo
523 - pointy blocks as terms
524 - refactored variable and parameter passing
525 - improved assignment semantics
526 - improved parsing of type names and subs
527 - mostly implemented parametric roles
528 - separate types for blocks, subs and methods
529 - basic support for submethods
530 - implemented Junction autothreading of user code (not builtins yet)
531 - eval supports :lang attribute
532 - proto makes other subs in scope multis, including in role composition
534 - back to working state
537 - add support for predefined constant __CLASS__ and __METHOD__
538 - add initial support for static members
539 - add support for namespaced constants
540 - constants are now handled as package vars
541 - variables are now lexical variables
542 - add support for superglobals in functions
543 - Call the class __constructor when there is one
544 - added incomplete support for closures
545 - removed support for the alternative parsing strategies
546 - added support for 'elsif'
547 - added support for 'do-while'
549 - left the nest and is now at https://github.com/bschmalhofer/hq9plus/
551 - left the nest and is now at http://github.com/bschmalhofer/eclectus/
553 - left the nest and is now at http://github.com/bschmalhofer/m4/
555 - add a minimalist user back trace
557 - "does" and "morph" VTABLE interfaces are now overridable from PIR
560 - 'make smoke' now generates Smolder reports sent to
561 http://smolder.plusthree.com/app/public_projects/smoke_reports/8
562 + Improved const and null correctness for C function parameters
563 + Sped up STRING manipulation (append, chop), improving PGE about 30%
565 - Added sections about Classes, OO programming, and methods.
566 - Added information about Annotations, Exceptions, and Handlers
568 - Removed non-functional STM subsystem
573 + fixed lexical semantics
574 + added the 'capture_lex' opcode
575 + added automatic resume for nonfatal exceptions
576 + added multidispatch cache
577 + applied miscellaneous performance improvements, including startup time
578 + fixed several bugs and leaks found by Coverity Scan
579 + removed race conditions from parallel testing
582 - removed undocumented .param int <stringc> => <ident> syntax
583 - .line directive now only takes an integer argument
584 - new .file directive to specify the file name being compiled
586 - properly handles lexical generation and closure semantics
587 - uses :subid instead of name lookups to reference PAST::Block nodes
588 - added PAST::Control node type (exception handlers)
590 - add support for <?{{...}}> and <!{{...}}> assertions
591 - Match objects use Capture PMC instead of Capture_PIR
593 - add macro handling to PASM mode
594 - disable vanilla register allocation in PASM mode, but do allow optimization
595 - add tests and bug fixes
596 - first bits of bytecode generation. No sub calling/returning yet.
599 - fixed lexical handling and recursion
600 - refactored subtypes implementation
601 - support for quotes with multi-character delimiters
602 - implemented list slices (Positional role)
604 - reduction meta operators
605 - hyper meta operators
606 - cross meta operators
607 - more builtin functions
609 - basic support for protos
610 - iterator on filehandle objects
611 - basic support for exception handlers
614 - added complex & mathx libraries
615 - merged LuaClosure & LuaFunction PMC
617 - added support for a return value from user defined functions
618 - added incomplete implemention of 'require_once'
620 - parser fixes, parses spidermonkey's top level test/shell.js
622 + PARROT_API is now PARROT_EXPORT
624 - :lexid is now :subid
625 - .arg is now .set_arg
626 - .result is now .get_result
627 - .yield (in .begin/end_yield) is now .set_yield
628 - .return (in .begin/end_return) is now .set_return
629 - .namespace x / .endnamespace x syntax is removed
630 + Capture_PIR (runtime/parrot/library/Parrot/Capture_PIR.pir)
634 + added CPAN module Storable 2.12 as a configuration and build dependency
635 + removed the pseudo PIR opcode 'addr'
636 + added the 'box' opcode
637 + fixed 'pop_eh' handling in PIR libraries and examples
638 + removed usage of .return for tailcalls (use .tailcall instead)
639 + removed 'get_hash' and 'get_array' from Capture PMC and Capture_PIR
640 + improved debugger and HLL coordination
641 + allowed MMD primitive autoboxing
642 + fixed all known memory leaks in PIR "Hello, world!"
643 + NCI signatures now JITted on x86-32 platforms (Windows and Linux)
644 + made the .const directive take a quoted type name instead of a constant
645 + made IMCC more re-entrant
648 - refactored Junctions implementation
649 - added "fire and forget" tool to rebase/rebuild/test Parrot and Rakudo
650 - updated container/reference semantics
651 - added more builtin methods and functions
652 - improved support for multilevel namespaces
653 - added support for .Str, .succ, .pred in user-defined classes
654 - implemented pointy blocks on if/loops
655 - increased STD.pm convergence
657 - improved MMD candidate sorting
658 - improved integration of Num and Int
659 - implemented increment on protoobjects
660 - added initial support for MAIN subs
661 - added .PARROT method
663 - added some predefined constants
664 - added implemention of the function basename()
666 - Added initial support for the classes Proc, Continuation, Queue, Dir, File, and FileStat
667 - fixed various minor bugs
668 - fixed broken Regexes
671 - added '.isa' method to PCT::Node
672 - cleaned up 'immediate block' handling
673 - allowed arguments to immediate blocks in loops/conditionals
674 - metaclass objects can now 'add_method'
676 - integrated macro processing in PIRC's lexer
677 - integrated heredoc lexer in PIRC executable
678 - added preprocess and heredoc-preprocess commandline options
679 - integrated the PASM grammar into PIRC
680 - added a register allocator to optimize the built-in vanilla allocator
681 - code cleanups and documentation
682 - added 'make test' target
684 - updated to work with new namespace/classname syntax
686 + PARROT_API will become PARROT_EXPORT
687 + :lexid will become :subid
690 - updates and additions to the Parrot book (see docs/book/)
692 - minor fixes to Parrot's base OpenGL bindings
693 - converted OpenGL PIR examples to Perl 6 (two complete, one WIP)
694 - added simplified OpenGL PIR example for NCI JIT testing
696 - further improvements to parallel tests
697 - tests no longer leave filesystem breadcrumbs
698 - more thorough testing of Parrot::Test itself
702 + float precision expanded to 15 significant digits from 6
703 + large integers autopromoted in PIR so as not to lose precision
704 + improved precision of complex square root
705 + exception handlers can register types of exceptions they catch
708 - implemented gather, take, and yield builtins
709 - Range, Time, Math, GC, Kernel classes
711 - added a new committer
712 + Markdown : new lightweight markup language
713 - start implementation with PCT/NQP
715 - Moved to its own repository: http://code.google.com/p/partcl/
717 - split() works with regexes
718 - implemented Str.comb
719 - ord() and chr() builtins
720 - improved parsing of literal numbers
721 - support for hyphens and dashes in identifiers
722 - next() on for-loops
723 - fixed floating point constant precision
724 - improved namespace handling, closer to STD.pm model
725 - support for exporting symbols
728 - now generates classes in nested namespaces instead of :: names
729 - supports class creation in caller's HLL namespace
731 - now using true nested namespaces instead of :: names
732 - cleaned up HLLCompiler interactive prompts and readline mode
733 - updated to use typed exception handler registration
734 - added initial support for loop control exceptions
736 - fixed Heredoc preprocessor
737 - cleaned up Macro preprocessor
738 - many code clean-ups, warning fixes and consting
739 - updated Makefile for easier compilation
741 - Added .tailcall syntax to replace .return in tailcall context
744 - an old style line numbered Basic interpreter able to use parrot objects
745 - example connecting to mysql via nci
746 - example using classes to write and run an embedded Basic program
749 - Added chapters for PCT, PMCs, and Opcodes/Runcores
750 - Expanded and improved formatting in various chapters
751 - Renumbered chapters
756 + add -I and -L command line options
757 + support for null strings in NCI calls
758 + preliminary support for resumable exceptions
759 + add '.hll_map' method for dynamic HLL type mapping
760 + more parrot_debugger fixes
761 + remove obsolete '.past' extension
764 - now over 3300 passing spectests
765 - precompiled modules
766 - precompiled scripts (--target=pir can now be executed standalone)
767 - Support for @*INC and %*INC varialbes
768 - additional builtin methods and subs
769 - added 'fail' function, warnings on use of undefined values
771 - qq, qw, q quoting forms
772 - run tests in parallel
776 - 'require' and precompiled modules
778 - all Array tests pass
780 - default arguments to functions
784 - add :loadinit attribute for PAST::Block
786 - major refactoring to allow all PIR keywords as identifiers
787 - links to libparrot now, so all Parrot ops are recognized as such
788 - implemented .loadlib, .HLL_map, .HLL
790 + add Xlib and Mysql modules and test programs to NCI examples
791 + many updates and cleanups to PDD documents
795 + PDD27: add multisub lookup
797 + new concurrency implementation (see PDD25)
798 + Exception PMC now captures a return continuation
799 + improved PMC encapsulation (Iterator, Key, Pair)
803 - parsing improvements
804 - minor additions to class builtins
805 - add support for block parameters to functions
807 - various language fixes
808 - refactor all libraries (namespace, method registration)
809 - add a OpenGL binding (still incomplete)
810 - lost user back trace (see ppd25 & pushaction)
812 - add support for while- and for-loops
813 - add support for increment and decrement
814 - designate PHP 5.3 as the reference implementation
815 - improve support for string literals
817 - removed due to bit rot
819 - now over 2200 passing spectests
820 - updated the Rakudo roadmap
821 - Perl 6 multi dispatch
822 - dispatch with slurpies
823 - class attributes ("my $.x")
825 - OO and metaclass improvements (.WHAT, .WHICH, .WHENCE)
826 - additional builtin methods and subs
827 - improved make test targets and harness
829 - implement [lreverse], [lsort -command]
830 - allow [incr] to autovivify
831 - update tclsh spec target to 8.5.3
832 - fix bug in TclDict PMC, allowing ~200 more [dict] spec tests to pass
833 - update 'make spectest' fudging, using TODO instead of SKIP if possible
836 - :scope('register') for PAST::Var nodes
837 - allow invocant specification in attribute scope PAST::Var nodes
838 - correct ordering of sub generation from POST
839 - add 'loadinit' attribute to PAST::Block for block initialization
841 - PIR registers now use the vanilla register allocator
842 - all PASM output now uses PASM registers
843 - all .locals and $registers are mapped
844 - clean-up of grammar, back-end and documentation
845 - implemented constant folding
846 - implemented instruction selection
848 + tests now clean up after themselves
849 + improved parallel test support
851 + Darwin problems fixed
853 + parrot_debugger renamed from pdb, numerous tweaks
856 + :vtable implies self in PIR
857 + modest core speed improvements
858 + Cygwin support improved
859 + "say" now an opcode (was dispatched to a method; see Deprecations)
861 + ".pragma n_operators" is deprecated
862 + old PASM register syntax (without "$") is deprecated
863 + bare (unquoted) method names are deprecated
864 + "#line" will be replaced with ".line"
865 + ".HLL_map" syntax will change
866 + ".loadlib" is now separate from ".HLL"
867 + mmdvtregister and mmdvtablefind opcodes are deprecated
868 + removed getfd, getclass opcodes
869 + removed IMCC syntax that treated some methods as builtins
870 + removed numeric get_attr and set_attr vtable entries
874 + removed a lot of old information from the FAQ
875 + improved function level documentation
877 + removed the configuration item 'has_gnu_m4'
878 + refactored ICU-detection
881 - improved the Smalltalk implementation
883 - renamed Plumhead to Pipp
884 - support for a lot of builtin functions.
885 - Pipp now uses PHP specific data types.
886 - converted from PCT with TGE to PCT with NQP actions
887 - improvements in the PCT variant by using optok parsing
888 - start of object support
890 - simple assignments work
892 - added a PCT-based implementation of JSON parsing
894 - improved handling of symbols
895 - added support for block handling
896 - added support for globals
900 - updated Range implementation
902 - added generic type declarations (::T)
903 - added runtime mixing of roles with 'does' and 'but'
904 - fixed handling of implicit lexicals ($_, $!, and $/)
905 - fixed implicit method calls on $_
906 - improved complex math builtins, added Complex
907 - moved many builtins to class Any
908 - declaration of lists of variables now work
909 - improved test infrastructure
910 - 910 additional passing spec tests since last release
911 - more convergence with STD.pm grammar
912 - added named 0-ary parsing and ops
915 - allowed subroutine and method names to be a PAST tree that produces the name
916 - Improved lexical handling
918 + pbc_disassemble renamed from disassemble
920 + allowed .macro_const in PIR
921 + added the flag :lexid(...) for subroutines
922 + made multiple dispatch work for sub types
923 + fixed garbage collection bug related to the metadata attached to a PMC_EXT structure
924 + added a warning when using deprecated opcodes
925 + simplified the stacks implementation
927 + improved closure and lexical support
928 + improved IMCC register allocator
929 + added cache for all runtime-constant strings, reducing memory usage
931 + improved OpenGL/GLU/GLUT bindings
932 + added a standard profile for Perl::Critic coding standard testing
933 + added support for smoke testing with Smolder
934 + enabled use of Test::Harness 3.0 if available, but don't require it for 'make test'
935 + added the executable 'parrot_config' to query Parrot configuration
939 + updated pdd09_gc.pod
942 - dramatically improved parsing speed
943 - added support for defining and instantiating classes
944 - started fleshing out the builtin class hierarchy
945 - added support for hashes and arrays
946 + Chitchat: added the start of a smalltalk compiler
947 + Pheme: updated to match PGE changes
948 + Pynie: return statement, other minor updates
950 - added working list and hash contexts
951 - added 'return' statements
952 - added => pair constructor
953 - added ?? !! ternary
954 - added Range, range operators, Complex
955 - added common List, Hash methods
956 - refactored base classes
957 - added Mutable, Perl6Scalar classes
958 - added type-checking, is readonly/rw/copy for parameters
959 - added make localtest, docs/spectest-progress.csv
961 + Squaak: implement return statement
962 + Tcl: updated control flow exceptions to use new builtin types
964 + All tools converted to P6object metamodel
966 - <?foo> is now a zero-width match
967 - reduced backtracking to improve parsing speed
969 - added "return" PAST.op node type for subroutine returns
970 - added "keyed_int" scoping to PAST::Var
971 - fixed calls to closures
972 - automatically transcode 7-bit unicode to ascii for faster processing
973 + NQP: added "return" statement, ?? !! ternary operator
975 + expanded step gen::opengl
977 + updated function and macro names to match pdd09_gc.pod
979 + add ".namespace []" as alternative to ".namespace"
980 + "make codetest" target runs standard coding tests
982 + added P6object class for Perl 6 interfaces to objects in Parrot
983 + ported OpenGL/GLU/GLUT bindings to Win32, BSD, and more Mac OS X variants
984 + generate OpenGL/GLU/GLUT bindings by parsing system headers
985 + new OpenGL example shapes.pir, covering basic OpenGL 1.1 / GLUT 3 APIs
986 + new float4.pir structure-packing benchmark
987 + reduced memory use for variables
988 + improved constant string caching
989 + made code g++ and gcc (with optimizations) safe
990 + the usual collection of bugfixes and optimizations
994 + updated and launched pdd28_strings.pod
995 + updated pdd19_pir.pod
997 + added implementation of Rational PMC.
998 + simplified ops control flow syntax
999 + enabled backtrace on non-glibc platforms too
1000 + improved some PIR error reporting
1001 + removed user stack opcodes
1002 (save, restore, lookback, entrytype, depth, rotate_up)
1003 (NOTE: This was scheduled to occur after 0.7.0, moved up to this release)
1004 + removed register stack, saveall, and restoreall opcodes
1005 + removed various deprecated features and unused code
1008 + C99: grammar updated
1009 + Cardinal: resurrected, method calls and do blocks work now
1010 + Eclectus: use NQP as PAST generating code
1012 - added big number library
1013 - updated to match PGE changes
1014 - added a bytecode disassembler & a Lua 5.1 VM bytecode translator
1015 + Pheme: updated to match PGE/PCT changes
1017 - use NQP as PAST generating code
1018 - use riaxpander for macro expansion
1021 - conditional and loop statement modifiers
1022 - lots of class, object, role, and method improvements
1023 - Str increment and decrement
1024 - improved spectest reporting
1025 - type checking on assignment
1026 - regexes and grammars
1030 + Squaak: added to repository
1033 + PGE: updated to match Synopsis 5, deprecated features removed
1035 - improve handling of register types, conversion between registers
1036 - improved error diagnostics
1037 - add 'arity' to for loops
1039 + added step auto::opengl
1040 + added step gen::opengl
1041 + added step gen::call_list
1043 + still more optimizations and performance improvements, especially in GC
1044 + new libraries: OpenGL/GLU/GLUT bindings (small subset working)
1045 + new dump_pbc.pl utility: PBC disassembly/source code weaver
1046 + improved C++ compiler support
1047 + optimized builds work again
1052 + drafted pdd29_compiler_tools.pod
1053 + updated pdd28_character_sets.pod draft
1054 + updated pdd19_pir.pod draft
1056 + c99: added independent C pre-processor
1057 + HQ9+: reimplemented with PCT
1059 . reimplementation with PCT, using PAST and POST
1060 . behavior aligned wih 5.1.3
1062 . implemented basic I/O, including '$*IN', '$*OUT', '$*ERR', 'prefix:='
1063 . implemented simple typing and runtime type checking
1064 . added basic multi-method dispatch
1065 . expanded named argument handling, including Pair and colonpairs
1066 . added 'Whatever' and 'Capture' classes
1067 . implemented 'handles' trait verb
1068 . added 'loop' statement
1069 . implemented 'given', 'when', 'for', 'while', 'until' statement modifiers
1070 . implemented Hash methods '.keys' and '.values'
1071 . fixed bug to get '.WHAT' working correctly
1072 . initial implementation of 'eval'
1075 . created a bootstrapped build, see 'make boot'
1076 . added 'infix:<', 'infix:<=', 'infix:>', 'infix:>=' relational operators
1077 . added 'postfix:++', 'postfix:--' operators
1079 . added methods specifying default behaviors in PAST, reducing repeated code
1080 . improved symbol table lookup
1082 . removed deprecated code including: P6Regex, P6Grammar, PAST-pm
1084 + notable speedups during compilation and execution of parrot and HLLs
1085 + pdb (the parrot debugger) can now catch parrot exceptions
1086 + better detection of glibc and gettext during configuration
1087 + various bugfixes, code cleanups, deprecations, and coding standard fixes
1092 + launched pdd18_security.pod
1093 + updated pdd17_pmc.pod
1094 + launching draft of pdd28_character_sets.pod
1096 + cleanup of IMCC documentation
1098 + add step auto::gettext
1099 + add step auto::crypto
1103 . Phase out P6Regex in favor of Perl6Regex
1105 '.local Array my_arr' is illegal now
1107 + C99: reimplementation with PCT
1110 . add support for functions with params
1111 . add math functions
1114 . first cut at smart matching
1115 . indirect method calls
1117 . added methods 'grep' and 'first'
1118 . implement auto{increment,decrement}
1119 . initial implementation of 'perl6doc'
1122 . add base64 library
1123 + Cardinal: basic support for functions with parameters
1124 + Pheme: various updates
1125 + Ecmascript: various updates
1126 + Tcl: now targeting tcl 8.5.1, no more expected failures in test suite.
1127 (No, this doesn't mean everything's implemented. =-)
1128 + Eclectus: various updates
1129 + WMLScript: various updates
1132 + Add library YAML::Dumper
1133 + Add the MD2, MD4, MD5, RIPEMD160, SHA & SHA1 PMC, as a wrapper
1136 + various bugfixes, code cleanups and coding standard fixes
1138 + remove external Perl 5 modules from the Parrot distribution
1142 + PDD09 (garbage collection) - approved
1143 + PDD28 (character sets) - draft started
1144 + added function documentation to some core functions
1145 + PCT beginners guide, optable guide and PAST nodes guide, bug fixes
1147 + IMCC: plugged various memory leaks and other cleanups
1149 . add "attribute" as a scope variant to PAST::Var nodes
1150 . add 'shift' and 'pop' methods to PAST:: nodes
1151 + NQP: add '=:=' op, tests for scalar and list contextualizers, \x escapes
1153 + APL: reimplementation with PCT
1154 + Cardinal (Ruby): reimplemention with PCT
1155 + Ecmascript: reimplementation with PCT
1156 + lolcode: improved expression parsing, ifthen, IT, YARN
1158 . aligned with Lua official release 5.1.3.
1159 . added initial PCT-based implementation.
1160 + Punie (Perl 1): refactor to use standard PCT-based filenames
1161 + Pynie (Python): add functions
1163 . rebranded, formerly known as 'perl6'
1164 . passes many more official Perl 6 Specification tests
1165 . added 'perl6doc' utility
1166 . oo including meta?classes, objects, methods, attributes, role composition
1167 . match variables, while/until statements, traits
1168 . many new methods for Str, List, Hash, Junction
1171 + PCCINVOKE syntax for named arguments using []; use () instead.
1172 + see DEPRECATED.pod for details
1174 + pbc_to_exe refactored for code reduction, portability, and maintainability
1176 + #line directives added to generated JIT files, improving debugging
1177 + consting, attribute marking, refactoring, warnings cleanup
1181 + PDD27 (multiple dispatch) - debut of new design
1182 + Numerous small updates to glossary.pod, etc
1184 + NQP: optional, named, and named/required parameters
1186 + PAST: "defined-or"
1188 + New mk_language_shell.pl script creates language stubs
1191 + Eclectus: start with support for local variables and procedures,
1192 use SXML as intermediate representation
1193 + Perl 6: list builtins, compiler directives, command-line options, etc.
1194 + "make perl6" now builds a Perl 6 executable
1195 + punie: more builtins, control structures, code refactoring
1196 + pynie: builtin stubs, more tests
1198 + New "pbc_to_exe" utility turns bytecode to executables
1199 + New set_outer method for subs
1200 + Further configuration refactoring for testability
1201 + All functions now completely headerized
1202 + Concurrency: interpreter schedulers
1204 + DYNSELF (changes to SELF; SELF to STATICSELF)
1205 + METHOD (replaced by renaming PCCMETHOD)
1206 + pmcinfo op (superseded by 'inspect')
1207 + get_attr, set_attr, and 8 other vtable methods
1208 + See DEPRECATED.pod for details
1211 + Minor speed enhancements with UTF-8 string handling
1213 + consting, attribute marking, warnings cleanup, memory leaks plugged ...
1217 + PDD19 (PIR) - reflect state on the ground; incorporate old IMCC docs
1218 + PDD25 (Concurrency) - launch out of draft
1219 + Improve documentation of deprecated parrot features.
1221 + PCT: Parrot Compiler Toolkit redesigned and updated
1222 + NQP: major updates, including support for namespaces,
1223 module/class declarations, methods
1224 + IMCC: remove .sym as alias for .local. Remove .pcc_
1225 prefix for calling directives (.pcc_begin became .begin_call).
1226 + PIRC: creates an AST during the parse.
1227 + PGE: more updates to match S05 syntax.
1229 + perl6: re-implemented using PCT and NQP, new object subsystem
1230 + abc: re-implemented using PCT and NQP
1231 + eclectus: initial implementation
1232 + plumhead: add PCT variant
1233 + punie: re-implemented using PCT and NQP, extended to handle subroutines
1234 Happy 20th Birthday, Perl!
1235 + pynie: re-implemented using PCT and NQP
1236 + PIR: start conversion to NQP (under construction)
1238 + new opcodes: 'die', 'addhandler', 'copy'
1239 + Initial implementation of Concurrency PDD
1240 + Add 'arity' method to Sub and NCI PMCs
1243 + consting, attribute marking, warnings cleanup, memory leaks, GC...
1244 + dead code removal (includes some defunct languages)
1248 + PDD15 (OO) branch merged with trunk; this release contains a working,
1249 tested implementation of the latest OO model
1250 + Added pop_eh/push_eh_p/count_eh opcodes
1251 + Add --runcore command line option
1252 + Add gcdebug runcore to help track down GC bugs
1253 + minor improvements to IA-32 JIT
1255 + PDD19 (PIR): updates to macros, .pcc* directives
1256 + PDD25 (Concurrency): updated
1257 + PDD26 (AST): draft approved
1258 + PDD23 (Exceptions): draft approved
1259 + Copyright cleanups
1260 - Languages/Compilers
1261 + languages/APL: minor updates, PDD15 conformance
1262 + languages/dotnet: minor updates
1263 + languages/lua: minor updates, PDD15 conformance
1264 + languages/lisp: minor updates
1265 + languages/perl6: minor updates, PDD15 conformance
1266 + languages/plumhead: minor updates
1267 + languages/punie: minor updates, PDD15 conformance
1268 + languages/nqp: minor updates
1269 + languages/scheme: many updates, PDD15 conformance, improved tests, use
1270 PMCs instead of primitive registers to represent values
1271 + languages/tcl: bugfixes, PDD15 conformance
1272 + languages/WMLScript: minor updates
1273 + compilers/pirc: updates from PDD19, PDD06
1274 + compilers/pct: minor updates, PDD15 conformance
1275 + compilers/pge: PDD15 conformance
1276 + compilers/tge: PDD15 conformance
1278 + Improve test coverage
1279 + Improve reporting when a step fails; allow abort on failure
1281 + More coding standard conformance, tests, cleanup, speedups,
1283 + Bug cleanup, esp. GC bugs
1284 + Eliminate .imc extension (use .pir)
1285 + Simplify some core config steps to not allow interactive prompting
1291 + Bug fixes (including Coverity IDs 20, 22, 30, 119-122, 124-126, 129-131)
1292 Also various GC, memory, and segfault issues
1293 + Fix & reenable CGP core
1294 + Parrot's -r flag now works again (compile to and execute bytecode)
1295 + Updates to pmc2c & PIR syntaxes
1297 + Minor performance improvements, especially in PGE
1299 + PDD02 "Vtables" - superceded by PDD17
1300 + PDD06 "PASM" - minor updates
1301 + PDD17 "PMC" - add VTABLE syntax, update core PMC struct, restore UnionVal
1302 + PDD19 "PIR" - early review started
1303 + PDD21 "Namespaces" - cleanup
1304 + PDD24 "Events" - draft approved
1305 + PDD25 "Concurrency" - minor updates
1306 + PDD26 "AST" - draft version begun
1307 + PIR tutorials updated
1308 - Languages/Compilers
1309 + Make scheme work with the current calling conventions, other major work.
1310 + Updates to m4, lua, compilers/pirc, languages/PIR, dotnet, tcl
1312 + make -j functional again
1313 + Code cleanup (refactoring, optimizations)
1317 + Performed code review on every PMC
1318 + Modified PMC code generation to use Storable, reducing compile times
1319 + Added a makefile target to generate test coverage data of C sources
1321 + NQP: added lists, for loops, operators, comparison and multiplicative operators
1322 + Announced Kea-CL, Kea Common Lisp, an ANSI Common Lisp implementation
1323 The repository is available at https://rgrjr.dyndns.org/svn/kea-cl/trunk/
1325 + PDD17 "PMCs" - draft approved, the design is complete
1326 + Added more PIR tutorials, see examples/tutorial/00_README.pod
1328 + Many bugfixes, enhancements, documentation, and coding standard updates
1329 + Deprecated PMC constants and other crufty syntax, see DEPRECATED.pod
1330 + Improved icc compiler compatibility for error line reporting
1334 + Lots of code review, many bugs fixed
1335 + Many more code cleanups and compiler warning levels
1336 + Started a new jit engine for 64-bit processors
1337 + Refactored configure process, with tests and new diagnostic options
1338 + Added new CodeString PMC for dynamic generation of PIR code
1339 + More pdd15 support for object metamodel.
1341 + Added NQP ("Not Quite Perl"), a very lightweight Perl 6-like language
1342 + Significant improvements and refactors to PCT (Parrot Compiler Toolkit)
1343 + perl6 passes more spec tests
1344 + Lua works now with a PGE/TGE/PAST-pm based compiler, lives in one pbc,
1345 and the interpreter has same behavior as original.
1347 + Added a committers' HOWTO
1348 + More PIR tutorial examples
1352 - Now, with Seat Belts!
1353 + added makefile targets for Sun lint, BSD lint, and splint
1354 + corrected many errors picked up by these tools
1355 + decorated source code with compiler hints, assertions, and attribute macros
1356 + automated creation of function declarations to prevent common errors
1357 + increased compiler warnings levels
1358 + converted more exceptions to a recoverable form
1360 + updated Lisp, Lua, Perl 6, tcl, regex, Scheme ("Pheme")
1361 + Perl 6 now fetches selected tests from pugs, and even passes some
1362 + PGE modified to handle {*} action subs for top-down and bottom-up parsers,
1363 and to allow grammar subclassing
1364 + HLLCompiler now has better exception, eval, and exit support
1365 + Introduced PCT, a refactor of HLLCompiler and PAST-pm
1367 + PDD15 "Objects" - details added to 'new' and 'getattribute' opcodes
1368 + PDD17 "PMCs" - notes added on instantiation and dynamic extention in PIR
1370 + added Parrot-related text from "Perl 6 and Parrot Essentials" book,
1371 tutorial examples from "Learning PIR" talk, and PDD15 metamodel diagrams
1373 + reduced memory footprint when using named registers
1374 + implemented overridding of vtable methods by PDD15 classes
1375 + improved PDD15 support for 'new', 'instantiate', and others
1376 + added makefile targets to ease core and HLL makefile regeneration
1377 + updated parrot dubugger, "pdb", to allow loading of commands from file
1379 + many bugfixes, enhancements, documentation, and coding standard updates
1383 + Updated Lisp, Lua, PHP ("Plumhead"), Python ("Pynie"), ABC,
1384 WMLScript, and Tcl ("ParTcl").
1385 + Perl 6 passes all of the sanity tests.
1386 + PGE supports latest Perl 6 grammar syntax. Perl 6, Python
1387 ("Pynie"), and ABC parsers updated to match.
1388 + Updated PHP ("Plumhead") to Antlr 3.0.
1389 + Lua added the beginnings of a PGE/TGE based compiler (not yet
1390 replacing the Perl/Yapp compiler).
1391 + Lisp updated for current features, added a test suite.
1392 - Core Implementation:
1393 + Filled in features and backward compatibility for PDD 15 objects.
1394 New object metamodel passes 85% of old test suite.
1395 + GCC API symbols are visible externally only when explicitly exported.
1396 + Added generated GCC compiler attributes to increase warnings, and
1397 cleaned up resulting warnings.
1398 + Code cleanup efforts and fixed memory leaks by the cage cleaners,
1399 resulting in notable speed increases.
1401 + Updated Parrot distribution to Artistic License 2.0, from dual
1402 Artistic 1/GPL license.
1403 + SDL examples brought up-to-date with current features.
1407 + even more refactorings and improvements in configuration system
1408 + improved tests and documentation for configuration system
1410 + Updated abc, PHP ("Plumhead"), Lua, Tcl
1413 + new PMC PDD draft partially completed
1415 + continued implementation of PDD 15 (Objects)
1416 + minor garbage collector and memory management improvements
1417 + several memory leaks resolved
1418 + extended support for compilers other than GCC
1419 + improved C++ compiler compatibility
1420 + enhanced support for Solaris, non-MSVC Win32, and other platforms
1425 + IMCC: added documentation for C-based Parrot Calling Conventions,
1426 refactorings and bug fixes
1427 + PGE: new perl6regex front end reflecting recent S05 syntax changes
1428 + PIRC: new prototype PIR parser
1430 + Updated Lua, PHP ("Plumhead"), BASIC, pynie
1431 + Lua implements environment
1433 + PDD15 "Objects" - details added, and draft approved
1435 + Added guidelines for PMC documentation
1437 + PDD15 implementation is largely complete, including role-based composition,
1438 introspection, and C3 method resolution order
1439 + new Exporter PMC for importing globals between namespaces
1440 + new string utilities for radix conversion
1441 + PCCINVOKE and Parrot_PCCINVOKE allow calling using the full Parrot Calling
1442 Conventions from PMCs and C code respectively
1444 + Refactorings and improvements in test coverage for 'Configure.pl'
1446 + many bugfixes, enhancements, and code cleanup
1447 + added example subversion config file
1448 + extended support for gcc, icc, and other compilers
1449 + extended support for Solaris and other platforms
1455 + IMCC: Parrot calling conventions now available between two C PMCs (PMINVOKE)
1456 + PGE: Match object improvements
1457 + smop: added Attribute and Class PMCs
1458 + HLLCompiler: improvements for interactive mode
1460 + extended binding to a list of variables
1462 + Updated Lua, PHP ("Plumhead"), Tcl ("ParTcl"), Ruby ("Cardinal")
1463 + Update PIR, regex, Zcode
1464 + New language: Pynie - a Python compiler for Parrot
1465 + Lua implements require and many other ops, improved regex support
1468 + PDD01 "Overview" - updated architecture and platform information
1469 + PDD15 "Objects" - details on roles, objects, and classes added
1470 + PDD22 "I/O" - added async ops and Status PMC details
1472 + Added guides for Metacommitter, Relase Manager, and Cage Cleaner roles
1474 + Object, Class, Role, and Attribute PMC implementation has begun
1475 + Perl 5 module "Parrot::Embed" now compiles and links on all platforms
1477 + Major improvements in test coverage for 'ops2c.pl'
1479 + New utility: Crow, a template processor
1480 + New library module: Config/JSON for reading/writing JSON files
1481 + many bugfixes, enhancements, and coding standard updates, code cleanup
1486 + IMCC: Parrot calling conventions now available in C PMCs, allowing
1487 named, optional, slurpy, and flat parameter passing
1488 + PGE: extended support for Perl 5 Regexes
1489 + smop: prototype object model implementation
1490 + hllcompiler: refactored to run a configurable set of compilation stages
1492 + redesigned assign/binding to support Perl 6 binding semantics
1494 + Updated Lua, PHP ("Plumhead"), Tcl ("ParTcl"), perl6, perl5
1495 + New language: PIR - a PGE-based implementation of Parrot PIR
1496 + perl6 now supports binding (':=') and 'join'
1497 + lua generates tail calls, and supports its own regex flavor (PGE-based)
1498 + Pheme still works, huzzah!
1500 + PDD21 "Objects" - rewritten
1501 + PDD22 "I/O" - updated and 'TODO' tests added
1503 + Interface stability classification standards approved
1504 + Roles and Responsibilities documented approved
1505 + Official 'drafts' directory created (was 'clip')
1507 + More NameSpace and OS PMC methods implemented
1508 + Parrot executable fullname and basename now available in PIR/PASM code
1509 + new 'chomp' library function
1511 + Major improvements in test coverage for 'ops2pm.pl'
1513 + many bugfixes, enhancements, and coding standard updates
1514 + extended support for Sun Workshop Compilers
1515 + Parrot now builds on PocketPC platform
1520 + HLLCompiler: added tracing options, modified api
1521 + PGE & TGE bugfixes and updates
1523 + added global and lexical variable support
1524 + added looping constructs, arrays, hashes
1526 + Updated PHP ("Plumhead"), Tcl ("ParTcl"),
1527 forth, perl6, lua, abc, APL, WMLScript, punie
1528 + ParTcl is passing > 24.9% of Tcl cvs-latest test suite
1529 + perl6 now supports hashes, arrays, method calls, arity-based
1530 multisubs, quoted terms, ranges (non-lazy), try blocks, $!
1532 + PDD01 "Overview" - updated
1533 + PDD22 "I/O" - rewritten and approved
1535 + Converted Perl 5 Regex tests to PIR, with notable speedup
1536 + Added tests for opcodes, compilers, languages, and coding standards
1538 + Major improvements in test coverage for 'pmc2c.pl'
1540 + many bugfixes, enhancements, and coding standard updates
1541 + extended support for non-core platforms including Cygwin, Tru64
1545 - New languages: PHP ("Plumhead"), Forth
1546 - Updated languages: Ruby ("Cardinal"), Tcl, Lua
1547 - Remove old Python implementation from Parrot repository; the new Python
1548 language code is hosted at http://pirate.tangentcode.com
1550 + PGE updated with more expressions, latest changes to S05
1551 + new Perl 6 grammar compiler
1553 + Perl 5 module "Parrot::Embed" allows easy embedding of a Parrot
1554 runtime into a Perl 5 program
1556 + new :init pragma for subs that must run before the main function
1557 + new :vtable pragma to identify subs that override PMC vtable methods,
1558 eliminating the need for special subroutine names
1559 + PIR parser/compiler does not stop on first syntax error
1560 + Vanilla register allocator ("register alligator") greatly improves
1561 performance compiling large functions
1562 + Eliminated limit on number of PIR macros
1564 + hash lookups return null instead of None for missing keys
1566 + PDD13 "Bytecode files: format and manipulation" - new
1567 + PDD10 "Embedding" - new
1568 + PDD25 "Concurrency" - rewritten
1569 + PDD15 "Objects" - new section on redesign requirements
1570 + PDD07 "Coding standards" - significant updates and automated tests
1572 + Many many more new tests
1574 + autoconf compatible install options
1576 + Namespace refinements
1577 + Coroutine improvements
1578 + An impressive swarm of other bugfixes and enhancements
1582 - New languages: Ruby ("Cardinal"), Javascript ("ecmascript")
1583 - Updated languages: Tcl, dotnet, bc, Pheme, Punie, WMLScript
1584 - Updated compilers: PGE, TGE
1586 + ".loadlib" directive expresses dependencies
1587 + ".namespace" with no parameter goes to HLL root
1588 + lexer is reentrant (reentrant grammar in progress)
1589 - Namespace improvements:
1590 + new suite of opcodes to access namespaces and globals
1591 ("find_global" and "store_global" will be phased out)
1592 + namespace '' no longer means HLL root
1593 - Design document updates:
1594 namespaces (pdd23), basic types (pdd17), embedding
1595 - Updated tool requirements for developers:
1596 flex 2.5.33, bison 2.1, perl 5.6.1
1597 - New to-do list for people new to Parrot:
1599 - The usual plethora of bugfixes and enhancements
1603 - unicode subroutine names
1604 - hierarchical class names finished including MMD support
1605 - new dotnet CLI to PIR translator
1606 - improved TGE code and compiler
1607 - APL: vector handling
1608 - new STM branch in the svn repository
1609 - the usual bugfixes and enhancements
1613 - hierarchical class names
1616 - understands simple vector ops, strings
1617 - demonstrates use of Unicode in Parrot
1618 - pgc, a compiler for rules and operator precedence parsers
1619 - Major redesign and improvements for PGE
1620 - compilers understand named parameter options
1621 - :ratchet option implemented to support non-backtracking quantifiers
1622 - TGE (tree grammar engine) for tree transformations
1623 - tgc, tree grammar compiler
1625 - support for many operators, lexical scalars, regex matches
1626 - new pheme (Parrot scheme) compiler
1630 - namespaces partially implemented
1631 - rulec, Perl 6 rule compiler
1632 - PGE improvements including return values for closure
1633 - parts of a Perl 6 parser based on PGE
1634 - complex trigonometric methods
1635 - type of Sub PMC is now overridable by HLL
1637 - many bug fixes and improvements
1641 - improved PPC and x86 JIT support including JIT compilation
1642 of very simple PASM/PIR subroutines
1643 - preliminary libreadline support
1644 - better trace and debug features
1646 - META.yml to support proper indexing on CPAN
1647 - new opcode: hcf (in "my_ops" in dynamic op library)
1648 - new File pmc for file specific ops (is_dir, is_file, copy, rename...)
1649 - named arguments and parameters (both :named("") and => syntaxes)
1650 - ongoing config improvements
1651 - tons of bug fixes and other small improvements - too much to list all
1655 - Installation: 'make install' is using standard locations now
1656 (/usr/local is the default --prefix)
1657 - Produce static and shared libraries on some systems
1658 - Configure system rearragement
1659 - OS pmc started (mkdir,cd,cwd,rm,umask,stat)
1661 - Test files are now testable with 'prove'
1662 - Smoke (and smokej) outputs progress
1663 - PIR supports: I = A < B (>,<=,>=,==,!=)
1664 - Add support for octal number constants
1666 - almost finish [string]; start [file]
1667 - add build tool for generating inline'd tcl builtins from templates.
1668 - Jako updates: NCI, subroutines, global variables and constants all work.
1673 - New lexical handling and closure support including better
1674 introspection for caller and outer
1675 - PGE (Parrot Grammar Engine) provides now compilers for P6Rule,
1676 P6Grammar, P5Regexp, and Glob
1677 - ca. 1000 new tests including 800 for Perl5 regexp
1678 - Improved unicode charset and encoding support
1679 - Calling conventions for exception handlers
1680 - Punie (Perl 1) uses TGE (Tree Grammar Engine) to convert from
1681 PGE match objects to AST via two steps of tree transformation grammars
1682 - New languages: amber and lua
1683 - The usual code fixes, cleanup, and improvements, including an overhaul
1684 of the config and test framework
1688 - Variable sized register frames are finished. Each subroutine gets
1689 the amount of registers that it actually needs. No more spilling.
1690 - Vastly improved PGE (Parrot Grammar Engine) including shift-reduce,
1691 precedence-based expression parser and support for matching of
1692 bracketed text delimited by e.g. ()[]{}'"
1693 - uniccode character classification (is_upper ...)
1694 - support for heredoc syntax in assembler
1695 - improved examples, basic JSON support
1696 - debian packaging support
1697 - the usual improvements, bug fixes, and cleanup
1698 - test count exceeds 3000
1702 - New calling conventions implemented: see PDD03 for details
1703 - Merge multiple Parrot bytecode (PBC) files into a singe PBC file
1704 - 'make smoke' target going beta
1705 - bc now supports if statements, comparison ops, prefix inc/dec
1706 - ParTcl adds [lassign], [switch] (partially); [expr] converted to a compiler
1707 - Many exciting doc updates, tests, and bugfixes, too numerous to mention
1711 - Dynamic classes now compile on Windows (including ParTcl)
1712 - New Super PMC allows easy access to superclass methods
1713 - Implement C3 method resolution order (just like Perl 6 & Python)
1714 - ParTcl has new PIR-based parser and passes more Tcl tests
1715 - added character class support in Globs to PGE
1716 - added language implementations of unlambda, Lazy-k
1717 - many bugfixes, including GC and memory leaks
1718 - the new calling scheme continued to evolve in branches/leo-ctx5
1722 - new call scheme: docs/pdds/pdd03_calling_conventions.pod
1723 - partial implementation of the new calling conventions
1724 PASM only, don't mix PIR foo() call syntax with the new scheme
1725 - grammar and rule support in PGE - the Parrot Grammar Engine
1726 - TCL passes >10% of the tcl test suite
1727 - the usual bugfixes and improvements
1731 - better HLL support (short names for object attributes, and
1732 .HLL and n_operators pragmas)
1733 - string encoding and charset can now be set independently
1734 - experimental mmap IO layer for slurping files
1735 - distinct debug and trace flag settings
1736 - glob support in PGE
1737 - new character classification opcodes and interfaces
1741 - parrot repository is now under subversion
1742 - MMD (Multi Method Dispatch) enhanced
1743 - new unary and infix opcodes that return new result PMCs
1744 - dynamic scalar PMCs inherit now almost all from Parrot core PMCs
1745 - more unification of PMCs and ParrotObjects
1746 - tailcalls for functions and methods
1747 - PGE (Parrot Grammar Engine) reworked
1748 - Pugs creates Parrot code and Pugs is a registered compiler now
1749 - new languages/lisp
1750 - the usual bug fixes and improvements
1754 - New string handling code. Strings now have charset and encoding
1755 - Parts of a generation garbage collector
1756 - Better Python code, separated in dynclasses
1757 - Parrot Grammar Engine
1758 - Improved test coverage and documentation
1762 Parrot 0.1.1 is an intermediate release with tons of updates and fixes.
1763 - Python support: Parrot runs 4/7 of the pie-thon test suite
1764 - Better OS support: more platforms, compiler, OS functions
1765 - Improved PIR syntax for method calls and <op>= assignment
1766 - Dynamic loading reworked including a "make install" target
1767 - MMD - multi method dispatch for binary vtable methods
1768 - Library improvement and cleanup
1769 - BigInt, Complex, *Array, Slice, Enumerate, None PMC classes
1770 - IA64 and hppa JIT support
1771 - Tons of fixes, improvements, new tests, and documentation updates.
1772 A lot is unfinished and keeps changing. Nethertheless Parrot is stable
1773 and usable at the surface, while internals are moving.
1776 - "Ladies and gentlemen, I give you... objects!"
1777 - Huge documentation overhaul
1778 - More supported platforms, s. PLATFORMS
1779 - Basic thread support for pthread based architectures
1780 - Basic event handling for timers and signals including:
1781 - PASM callbacks for NCI (native C) functions.
1782 - Improved platform configuration
1783 - COW stacks now working, stacks code redone
1784 - Structure handling vastly improved
1785 - Random PMC and rand primitives
1786 - Better subroutine call syntax in PIR
1787 - Make PIR subroutines compliant with pdd03
1788 - Improved profiling (DOD, GC timings)
1789 - Hash code improvements, incl. random key order support
1790 - Experimental freeze/thaw code for some PMC types
1791 - IO improvements for buffered layer and Win32
1793 - String bitwise vtables
1795 - Support for JIT, where malloced memory isn't executable
1796 - Priority DOD scheme for objects that need timely destruction
1797 - Improved byte code loading (e.g. onLoad functions)
1798 - Language updates: forth, Perl 6/P6C, m4
1799 - Libraries: Getopt_Long, SDL, Dumper, Sort
1801 - Unified imcc and parrot test handling
1802 - Many new tests (make test reports 1386 tests)
1803 - Numerous bug fixes
1806 - The Big Move: Parrot source and build files rearranged into sub dirs
1807 - Build imcc as parrot
1808 - Objects more finished
1809 - Delegate vtable methods to byte code
1810 - Binary multi-method dispatching
1811 - Isa and does methods for PMCs
1812 - Call byte code from C
1813 - Start of extension interface
1814 - Experimental struct handling
1815 - Catch access to NULL PMCs
1816 - Experimental network socket interface code and opcodes
1817 - IO fixes and improvements
1818 - Dynamic opcode libraries
1819 - Fix-assigned opcode numbers
1820 - Argument flattening for function calls
1821 - More native call interface (NCI) signatures
1822 - Ncurses, postgres, and pcre interface libraries
1823 - Forth language is vastly improved
1824 - BSD and Win32 build improvements
1825 - Many new tests and fixes
1828 - This number intentionally left blank
1832 - Dynamic PMC registration
1833 - Trial exception system
1834 - Beginnings of object system
1837 - I/O system improvements
1839 - Documentation for basic PMC types
1840 - IMCC support of Parrot Calling Conventions
1841 - Runtime loading of chartypes (and other string improvements)
1842 - Conditional breakpoints
1843 - Dramatically accelerated sweeps for finalizable objects
1844 - Small PMCs (PMCs split into core and extensions)
1845 - Loadable bytecode packfiles
1847 - Sub variants that deal with the stack correctly
1848 - Switched runops core
1849 - Line numbers in warnings
1850 - Environment access
1851 - Many documentation cleanups
1852 - Conversion to CPS style!
1853 - BASIC debugger and many other wacky features
1854 - Filename, line number parsing support in IMCC
1859 - some more benchmarking
1861 - optimized math ops
1862 - intersegment branches
1863 - more complete use of PObjs
1864 - beefed up packfiles
1865 - sub/continuation/coroutine fixes
1866 - better NCI (native calling interface)
1867 - many imcc improvements
1872 - Native function calling interface (Dan)
1873 - Stack/list aggregate rewrite (Leo)
1874 - Scratchpads (Jonathan Sillito)
1875 - Preliminary DotGNU support -- type conversion ops (Gopal V + Leo)
1876 - Buffer/PMC unification (Leo)
1877 - stabs debugging support for JIT (Leo)
1878 - Jako overhaul (Gregor)
1879 - Optional Lea allocator (Leo)
1880 - Parrot sprintf (Brent)
1882 - PMC Properties (Dan)
1883 - Various JIT improvements (D. Grunblatt + Leo)
1884 - Extensible packfiles (Juergen)
1885 - Restructured PMC hierarchy (Leo)
1886 - Real Scheme (Juergen)
1890 - Several new grammars and a BNF -> perl5 and perl6 converter (Jeff)
1891 - Working Perl 6 REs (Sean)
1892 - Keyed Access (Tom Hughes et al)
1893 - New PMCs (Alberto et al)
1894 - Better Documentation
1896 - GC acceleration (Mike Lambert)
1897 - Lexical scope (Jonathan Sillito)
1903 - Perl 6 Grammar and Compiler (Sean)
1904 - Subroutines, coroutines, and continuations (Melvin)
1905 - GC improvements (Peter Gibbs, Mike Lambert)
1906 - Global variables (Melvin)
1907 - Intermediate bytecode compiler (Melvin, Angel)
1908 - And much, much more.
1912 - New assembler that support keyed types (Jeff)
1913 - New macro layer, allowing constants (Jeff)
1914 - New Configure.pl (Brent)
1915 - Changes to bytecode format, endian issues resolved (Melvin)
1916 - GC improvements and bug fixes (Peter Gibbs, Mike Lambert)
1917 - JIT compiler rewrite (Jason and Daniel)
1918 - Parrot assembler in Parrot (Daniel)
1919 - Parrot debugger (Daniel)
1920 - BASIC polished, Eliza.bas is new (Clint)
1921 - Cola compiler committed and working, with limited OOP (Melvin)
1922 - Keyed aggregates (Steve Fink)
1923 - Global ops (Melvin)
1924 - Compile-time speedup (Melvin)
1925 - Much documentation
1927 - Contributed tetris and lzw files
1928 - And many more, from the cast of thousands
1933 - Perl Scalar support in PMCs
1934 - Array and Hash types almost ready for prime-time
1935 - Internal support for keyed types
1936 - EMACS editing mode
1938 - New Language - BASIC
1939 - Regular expression compiler
1941 - Many, many bug fixes, enhancements, and speedups
1945 - Arena-based memory allocation system
1948 - "Predereferencing" mode - ./parrot -P - 22% speedup
1949 - JIT compiler - ./parrot -j
1950 - Parrot now builds warnings-clean on many platforms
1951 - Many more PMC methods implemented
1952 - Regular expression operations
1954 - Basic support for embedding Parrot in other programs
1956 - Added PDDs to distribution
1960 - Added an assembly optimizer
1961 - Improved string encoding/type support
1963 - Source reformatting
1964 - Major refactoring in packfile library
1965 - More Miniperl functionality
1966 - New PMC "clone" operator
1967 - Beginnings of key-based access to PMCs - arrays and hashes
1968 - MOPS comparisons in examples/mops/
1973 - Perl base scalar types implemented
1974 - A new minilanguage, Scheme
1975 - Much improved documentation
1976 - Register stacks pushing and popping
1977 - User stack pushing, popping and rotating
1978 - Jako updates: subroutines, more example programs, optimizations
1979 - test_prog renamed to 'parrot'
1981 - Added features to the assembler: @ for current location, and global
1983 - Build tweaks for VMS
1984 - Bytecode typing clean-ups
1985 - More platforms: OS X, HPUX, OS/2
1986 - The proliferation of runops cores reduced to one fast and one slow one
1987 - Opcode tracing, bounds checking, profiling
1988 - Vastly improved string support, with separation of encoding and
1991 - Multiple interpreter creation support - the beginnings of threading
1992 - Much better resource handling - the beginnings of GC
1996 - Parrot now works on all core platforms
1997 - A large number of tests, in the standard Perl testing framework
1998 - A new minilanguage (Jako) which compiles to Parrot assembly
1999 - Documentation about the assembly language (docs/parrot_assembly.pod)
2001 - Separate modules for assembly (Parrot::Assemble) and bytecode
2002 manipulation (Parrot::PackFile::*, packfile.c)
2003 - Assembler completely rewritten
2004 - Better operand-type guessing in the assembler
2005 - Assembler support for '\n' etc. in string constants
2006 - Code reformatted to match the coding standards
2007 - New ops for register-constant INTEGER comparisons
2008 - Macro expansion in the assembler
2009 - IVs and NVs renamed to more friendly INTVAL and NUMVAL
2010 - Hard-coded pack("") formats removed
2011 - Better handling of floating-point numbers in assembler
2012 - Moved floats to constant table (fixing many alignment issues)