6 + Allow passing parameters to the dynamic linker ('dlopen' improved)
8 + Merge of pcc_hackatron branch
9 + Recursive make for src/dynpmc removed
14 + Improved handling of new compilers
23 + Most internal allocations now use the GC
24 + RNG non-randomnes fixes
25 + Elimination of much dead code
27 + PMCs can now be initialized from an int
28 + Many legacy ops are removed
30 + Sun cc and Intel icc support have been restored
31 + Compiler invocation no longer goes through a Perl script
33 + NCI thunks are now generated by self-hosted PIR code
37 + GC performance and encapsulation were greatly improved.
38 + PMC freeze refactored.
39 + More Makefile and build improvements.
41 + The Array PMC was removed.
42 + Several deprecated vtables were removed.
43 + The OrderedHash PMC was substantialy improved.
45 + Packaging improvements on some operating systems.
47 + Some cases in pbc_merge are now handled.
48 + Improvements were made to the dependency checker.
49 + New tool nativecall.pir added.
53 + Context PMCs now support attribute-based introspection
54 + Context and CallSignature PMCs merged into CallContext
55 + .lex directive throws exceptions when used with incorrect register types
57 + Packaging improved for free OS distributions
58 + PPC, PPC64, and ARM now tested when running Linux
60 + Minor improvements to the profiling runcore
61 + Improvements from the CallContext PMC merge
63 + In/out parameters in STRING modification functions
64 + Void handling in NCI signatures
65 + Parameter passing opcodes order in PBC
67 + Continued migration of core tests from Perl 5 to PIR
69 + dependency checker improved
71 + Deprecation cycle length changed to three months from six
72 + GC accuracy improved
73 + PMC freeze improvements; much more reliable
74 + Makefile improvements for dependency handling
78 + Made profiling runcore output format configurable and extensible
79 options include "pprof" and "none" ("binary" and "callgrind" are planned)
80 + Added environment variables to specify profiling output type and filename
81 (PARROT_PROFILING_OUTPUT and PARROT_PROFILING_FILENAME)
82 + Began merging Freeze/Thaw and Bytecode generator/loader
84 + Included latest nqp-rx compiler, with many improvements
85 - GLOBAL:: package identifier
86 - dynamic variables look in global namespace
87 - $obj."$method" syntax
88 - :p(os) and :c(ontinue) option on regexes
89 - try/CATCH/CONTROL handling
90 - support leading & on subroutine declarations
91 - allow "category:<symbol>" names (for builtin operators)
92 - simple version of smartmatch operator
93 - simple regex matches
94 - updated HLL::Compiler with new import/export methods
96 + Portability updates for RTEMS, and Intel architectures with GNU compilers
97 + Completed conversion of ticket tracking system from RT to Trac
98 + New draft of PDD31 for HLL export API and import implementation
99 + Several (build time, runtime) performance improvements
100 + Converted many tests to PIR, reducing test execution time
101 + Various bugfixes, code cleanups, and coding standard fixes
105 + The FileHandle PMC now exposes the exit code of child process that was run as pipe.
106 + Experimental support for overriding VTABLE invoke in PIR objects was added.
107 + The method 'type' was added to the PackfileAnnotations PMC.
108 + The internals of the parrot calling conventions, PCC, were reworked.
109 All call paths now use a CallSignature object for passing arguments and return values.
110 + The new API-function 'Parrot_ext_call' was added for calling into C-land.
111 + The fixed-size allocator was improved.
112 + The files installed by 'make install-dev' are now covered by 'make install' as well.
113 + The experimental ops 'fetch' and 'vivify' were added.
114 + The -I option to the command 'parrot' now prepends items to the search path.
115 + The Context struct was substituted with auto attributes (context_auto_attrs branch).
116 + Use the osname determined in auto::arch in subsequent configuration steps (convert_OSNAME branch).
117 + Eliminated dependence on Perl 5 '%Config' in auto::format (auto_format_no_Config branch).
118 + MultiSub PMCs now stringify to the name of their first candidate,
119 instead of the number of candidates.
120 + The platform detection at the start of the configuration process was improved.
121 + The 'lineof' method on CodeString objects now precomputes line number information
122 to be more efficient on variable-width encoded strings.
123 + P6object now supports .WHO and .WHERE methods on protoobjects.
125 + A shiny new self-hosting implementation of NQP has been added in ext/nqp-rx.
126 - New NQP available as nqp-rx.pbc or parrot-nqp fakecutable.
127 - NQP includes direct support for grammars and regexes, including protoregexes.
128 - NQP has a new PAST-based regex engine (intended to replace PGE).
129 - Regexes may contain code assertions, parameters, lexical declarations, and more.
130 - Double-quoted strings now interpolate scalar variables and closures.
131 - Subroutine declarations are now lexical by default.
133 - PAST::Block now supports an 'nsentry' attribute.
134 - PAST::Var allows 'contextual' scope.
135 - Attribute bindings now return the bound value.
137 + Fixes for the port of Parrot to RTEMS were applied. Yay, first port to a real time OS!
138 + On NetBSD, shared libs are now used.
140 + Use the the fixed-sized allocator in the Context and the CallSignature PMC.
141 + Many small speed improvements.
143 + MT19937, the Mersenne twisted pseudorandom number generator, is now hosted on github and
144 will be removed from the Parrot core. (eligible in 2.1)
145 + The 'Parrot_call_*' functions for invoking a sub/method object from C are
146 deprecated. They are replaced by 'Parrot_ext_call'. (eligible in 2.1)
147 + All bitwise VTABLE functions are deprecated. (eligible in 2.1)
148 + All bitwise ops will become dynops. (eligible in 2.1)
149 - Realized deprecations
150 + The slice VTABLE entry was removed.
151 + The last traces of the 'malloc' garbage collector were removed.
152 + Parrot_pcc_constants() was renamed to Parrot_pcc_get_constants().
153 + The deprecated functions from the Embedding/Extension interface were removed.
154 + The library YAML/Parser/Syck.pir was removed.
155 + The VTABLE function instantiate_str() was removed.
156 + Building of parrot_nqp was removed.
158 + The test coverage of the time-related ops was much improved.
159 + New testing functions in Test::More: lives_ok() and dies_ok().
160 + The Perl 5 based test scripts t/op/bitwise.t, t/op/comp.t, t/op/inf_nan.t,
161 t/op/literal.t, t/op/number.t, t/op/sprintf2.t, and t/op/00ff-dos.t were converted to PIR.
162 + The test scripts t/op/annotate.t and t/op/time.t have begun
163 to be translated from Perl 5 to PIR.
164 + In some tests the dependency on %Config from Perl 5 was eliminated.
166 + The meaning of 'p' means in NCI function call signatures was clarified.
168 + The stub for a new language, as created by mk_language_shell.pl,
169 now relies on the PIR-based tools, which are replacing the Perl 5-based tools.
170 + The library Configure.pir was added.
171 + The library distutils.pir was added.
173 + The mailing list parrot-users and a corresponding google group was created,
174 http://groups.google.com/group/parrot-users.
175 + Many bugfixes, code cleanups, and coding standard fixes.
179 + Parrot_capture_lex has been added to the PARROT_EXPORT API
180 + PARROT_MAX_ARGS has been increased from 8 to 16 to allow for ops that take more than 8 args
182 + The profiling runcore now caches metadata for improved performance
183 - Maintenance and cleanup
184 + Expanded the Parrot debugger documentation
185 + Parrot debugger now uses the new Parrot STRING API
186 + Continue to port rest of internals to use the STRING API
188 + The JIT subsystem has been removed and is being written from the ground up. More
189 information can be found at https://trac.parrot.org/parrot/wiki/JITRewrite
190 + Implicit optional named parameters (eligible in 2.1)
191 + Continuation-based ExceptionHandlers (eligible in 2.1)
192 + Use of undocumented variables in class_init (eligible in 2.1)
193 + Parrot_oo_get_namespace (eligible in 2.1)
195 + Improved line number tracking in IMCC
197 + Converted many more Perl 5 tests to PIR
198 + Expanded test coverage of the CallSignature, Namespace, FixedPMCArray,
199 ResizeableIntegerArray and ExceptionHandler PMCs
203 + Added a fixed-size structure allocator to the Garbage Collector
204 + Added a "lazy" mode to the PObj and Fixed-Size memory allocators
205 + Added a profiling runcore, which generates Callgrind-compatible output
206 + Added lexical subsystem opcodes: find_dynamic_lex, store_dynamic_lex
207 + Converted Contexts to garbage-collectable PMC structures
208 + Created a new Context API
209 + Enhanced the PMC allocator to automatically allocate ATTR structures
211 + Optimized opcodes to cache the current Context for subsequent lookups
212 + Reduced string comparisons in VTABLE_isa
213 - Maintenance and cleanup
214 + Began proper encapsulation of STRING API
215 + Unified all PMC destruction functions
216 + Unified Continuation PMC and Parrot_cont structure
217 + Unified Sub PMC and Parrot_sub structure
218 + Removed PMC_EXT structure
219 + Removed PMC_Sync from PMC
220 + Removed UnionVal from PMC structure
222 + Fixed several stack-walking bugs in Garbage Collector code
223 + Fixed bug when copying a NULL STRING, now returns empty STRING struct
225 + Converted several Perl5 tests to PIR
226 + Expanded test coverage of NameSpace PMC
228 + Made Parrot Compiler Toolkit available in the base install
232 + Removed several deprecated functions and features
233 + Removed bsr, jsr, branch_cs, and ret opcodes
234 + Removed global stacks system
235 + Changed OPS file format to include explicit preamble
236 + Changed all "new 'Iterator'" instructions into 'iter' instructions
237 + Removed Configure.pl options for specifying non-working GC cores
238 + Removed unexecuting code as found by Coverity
239 + Improvements to the Parrot Debugger
240 + Added experimental fixed-size structure allocator to the GC
241 + Added experimental lazy arena allocation to the GC
242 + Refactored hashes, keys, and iterators
243 + Added "corevm" make target to build Parrot without all the supporting libraries
244 + Removed Random PMC type and added in a "rand" dynop
245 + Optimization and Improvements to the NCI thunk generator
246 + New include file libpaths.pasm
248 + Multiple .local with same name and different type is now an error on IMCC.
250 + Improved support for detecting Fink and Macports
251 + Updated search directories for libraries
253 + "Parrot Developers Guide: PIR" released to publisher and available to purchase
254 + Improved documentation about Parrot Debugger
255 + Update PGE Documentation
257 + Deprecate 'PASM1' compiler object, update to warn instead of segfault
259 + Fixes to code, documentation, and standards
263 + Key and Iterator refactor
264 + Major pbc_to_exe generated code speed improvement
265 + New "Infinite Memory" GC core for demonstration purposes
266 + gc_debug runcore and GC-related heisenbug fixes
267 + Elimination of variable expansion in parrot_config
268 + CLI arguments are processed as Unicode by default
269 + Substantial optimizations in NCI
270 + Parrot builds on Win64
271 + Hashes can use native types as keys and values
272 + Fixed installed pbc_to_exe
273 + Simplification of PMC generation code
274 + Improved GC encapsulation and API documentation
276 + List of candidates for embedding API (docs/embed.pod)
277 + PIR book sent to publisher
279 + Several conversions of Perl test to pure PIR.
280 + C indentation coding standards test improvement
281 + Improved test coverage of example code
283 + Removal of PGE rules: <null> <fail> <sp> <lt> <gt> <dot>
284 + Removal of PGE methods: .text .item .result_object
285 + Deprecation of most dynops
287 + Beginnings of OpenGL::Math library; OpenGL bindings and library marked experimental
288 + Localizing and consting fixes
289 + Many memory and thread-related leaks plugged
293 + Optimized parts of the IO system
294 + Fixed inheritance hierarchy of FileHandle and Socket PMC types
295 + Fixed leaks involving subroutines and Parrot_Context
296 + Cleaned up and refactored GC internals, including fixes and optimizations
297 + Optimized PMC class manipulations to use type numbers instead of string names
298 + Fixed problems involving hashval calculations in strings
299 + Removed unnecessary MULTI dispatches in built-in PMCs
300 + Fixed memory leaks involving PMCs that were not properly destroyed
301 + Fixed creation of PMCProxy PMCs in correct namespaces
302 + Added preliminary Pipe support
303 + Fixed cloning of Object PMCs
304 + Added root_new opcode
305 + Added initial versions of Packfile PMCs with read/write capabilities
307 + Fixed several memory leaks in IMCC
308 + Updated PCT to use root_new opcode
309 + Added support for keyword "self" in NQP
311 + Improved and expanded /docs/book
312 + Updated project documentation
313 + Defined 'experimental' status and procedures in DEPRECATED.pod
315 + Cleaned code and improved code-level documentation
316 + Various bugfixes, code cleanups, and coding standard fixes
317 + Added an experimental compiler library to help use PIR libraries from HLLs
318 + Updated OpenGL library and examples to support experimental HLL import
322 + Fixes for pir classes inheriting from core pmcs.
323 + Cleaned up headers and reorganized some sources into subsystem directories.
324 + Clean up PMCs so libparrot.so exports far fewer vtable/method symbols.
325 + Clean up the GC API.
326 + Several unicode identifier improvements in IMCC.
328 + Protoobject stringification is gone.
330 + Rewrite several core documents.
331 + Many reworks, improvements & additions to the Parrot Book.
332 + Installation PDD is launched out of draft.
334 + Fixes for running the language shell generator outside the parrot tree.
335 + Several fixes for developing and building HLLs from an installed parrot.
336 + Configure.pl now has a --no-line-directives option to ease source level debugging.
338 + Portability updates for macports, netbsd, mingw32, hpux.
339 + Several (build time, runtime) performance improvements.
340 + Lots of updates to examples and tests.
341 + Various bugfixes, code cleanups, and coding standard fixes.
345 + Added op: load_language, find_caller_lex
346 + Socket IO are back as PMC
347 + Refactor some PMC: Hash, ManagedStruct
351 - Allow \x, \c, and \o in enumerated character classes (incl ranges)
352 - Add initial greedy-only version of ** <exp> quantifier
354 - Add HLL source line bytecode annotations
355 - Add another dumper format to assist syntax highlighters
356 - Revise mk_language_shell.pl to updated create_language.pl
358 + Removed ops: gcd, exec, classname, need_finalize, runinterp, substr_r
359 + Removed dynamic op: mul
360 + Removed .HLL_map directive; use interp's .hll_map() instead
361 + Removed PMCs: slice, bound_nci, ref
362 + Removed Configure.pl option: --pmc
363 + Removed PMC union struct
366 - Reorganization and many improvements & additions
368 + Add a parrot-fuzzer
370 + Improve Debian/Ubuntu package
371 + various bugfixes, code cleanups, and coding standard fixes
376 + New user documentation for exceptions.
377 + Updates to Chapters 4 & 5 of the Parrot book.
378 + Improved and expanded generated HTML documentation, as the input for
379 http://docs.parrot.org.
380 + Added Compiled HTML Help (.chm) version of documentation.
381 + Cleanups and fixes.
384 - left the nest and is now at http://pynie.googlecode.com/
386 - left the nest and is now at http://github.com/cardinal
388 - left the nest and is now at http://paraplegic.googlecode.com/
389 + ABC, Squaak, and Befunge moved to examples/.
390 + All remaining languages moved to https://svn.parrot.org/languages/
392 + Support for language builds from an installed Parrot.
393 + Expanded language shell generator for new languages.
394 + 'parrotbug' utility repurposed for the Trac interface.
396 + Removed deprecated Tqueue and Closure PMCs.
397 + String, Key, NCI, LexPad, Iterator, Sub, Continuation, RetContinuation,
398 ExceptionHandler, ParrotLibrary, ParrotInterpreter, ParrotThread,
399 ParrotRunningThread, Rational, FixedPMCArray, ResizablePMCArray, and
400 GDBMHash PMCs now use declared attributes (ATTR), in place of the
406 + Support for portable 'Inf', 'NaN' and -0.0
407 + pbc_disassemble prints constants in constants table
408 + New experimental BigNum implementation
409 + Pair is now a dynamic loadable PMC
410 + Various function name sanification
411 + New implementation of Strings component
412 + Replace various PMC value union access code by VTABLE method invocations
413 + Replace various PMC value unions by ATTRibutes
414 + Removed SArray PMC. Use FixedPMCArray instead.
417 - updates to Chapter 2 (getting started)
418 - updates to Chapter 3 (PIR basics)
419 - updates to Chapter 4 (PIR subroutines)
420 - updates to Chapter 10 (HLLs)
421 - updates to Chapter 12 (opcodes)
422 + Function documentation
423 + Pod documentation style modernized; no longer Perl 5 style.
424 + PMC has an additional acronym: Poly Morphic Container
425 + The DOD (Dead Object Detection) acronym is no longer used;
426 use 'GC' to refer to the Garbage Collector component.
429 - :named flag can now take string registers as argument
430 - A single '=cut' directive is now ignored (without initial Pod directive)
431 - :vtable subs now have proper access to 'self' pseudo variable
433 + add new 'Pod' documentation parser
434 + Pipp (PHP implementation):
435 - Pipp is now at http://github.com/bschmalhofer/pipp
436 - support for 'print', 'dirname', 'implode', 'str_replace',
437 - various grammar fixes
439 + add 'quit', 'readline' builtins
440 + fix 'Boolean' type and 'print' builtin
442 - left the nest and is now at http://github.com/fperrad/lua/
444 - left the nest and is now at http://github.com/rakudo/rakudo/
445 - build instructions can be found at http://tinyurl.com/rakudo
447 - left the nest and is now at http://github.com/bschmalhofer/lazy-k.git
449 - left the nest and is now at http://github.com/bschmalhofer/unlambda/
451 - left the nest and is now at http://github.com/fperrad/wmlscript.git
452 + removed Zcode implementation
455 - ATTRs are now inherited automatically in subclassing PMCs
457 + Parrot_readbc, Parrot_loadbc renamed to Parrot_pbc_read, Parrot_pbc_load.
458 + .HLL_map directive in favour of 'hll_map' method on Parrot interpreter
459 + Data::Escape library
461 + pbc_disassemble options added
462 + pbc_dump renamed from pdump
464 + Parrot is now Copyright Parrot Foundation
465 + Parrot's SVN repository is now hosted at https://svn.parrot.org
466 + Various code cleanups, consting, 64-bit incompatibilities and other bug fixes
469 New in January 2009 release (0.9.0)
471 + Implemented bytecode annotations
472 + Role composition is now aware of multi-subs
473 + Unbuffered IO PMCs now autopromote when buffering is necessary
474 + Installation parrot binary and libparrot shared library now supported
475 + Class registry now respects HLLs
478 - removed keyed string indexing, e.g. $S0[1].
479 - removed slice syntax, e.g. $P0[1..2]
480 - removed .namespace <ident>/.endnamespace <ident> pair
481 - fixed 'new $P0, [classname]' syntax
483 - refactoring of various data structures
484 - various bug fixes and updates
485 - complete bytecode generation
486 - add '-x' commandline option to run compiled code
488 - add 'hll' and 'subid' attributes to PAST::Block
489 - refactor loop handling code to handle last/redo/next
490 - add :pasttype('stmts') and :pasttype('null')
491 - improve "scope not found" error message
492 - allow PAST::Val nodes to contain block references
494 - add "skipkey" option to PGE::OPTable
495 - allow spaces before modifiers in regexes
496 - add '(' ~ ')' goal matching syntax
497 - skip creating a class/grammar if it already exists
500 - improved error mesages in multi dispatch
501 - implemented clone method for all objects
502 - implemented MAIN sub
503 - Unicode versions of infix hyper operators
504 - refactored IO.readline
505 - basic support for Inf and NaN
506 - list and array slices with whatever star
508 - implemented last and redo
509 - pointy blocks as terms
510 - refactored variable and parameter passing
511 - improved assignment semantics
512 - improved parsing of type names and subs
513 - mostly implemented parametric roles
514 - separate types for blocks, subs and methods
515 - basic support for submethods
516 - implemented Junction autothreading of user code (not builtins yet)
517 - eval supports :lang attribute
518 - proto makes other subs in scope multis, including in role composition
520 - back to working state
523 - add support for predefined constant __CLASS__ and __METHOD__
524 - add initial support for static members
525 - add support for namespaced constants
526 - constants are now handled as package vars
527 - variables are now lexical variables
528 - add support for superglobals in functions
529 - Call the class __constructor when there is one
530 - added incomplete support for closures
531 - removed support for the alternative parsing strategies
532 - added support for 'elsif'
533 - added support for 'do-while'
535 - left the nest and is now at https://github.com/bschmalhofer/hq9plus/
537 - left the nest and is now at http://github.com/bschmalhofer/eclectus/
539 - left the nest and is now at http://github.com/bschmalhofer/m4/
541 - add a minimalist user back trace
543 - "does" and "morph" VTABLE interfaces are now overridable from PIR
546 - 'make smoke' now generates Smolder reports sent to
547 http://smolder.plusthree.com/app/public_projects/smoke_reports/8
548 + Improved const and null correctness for C function parameters
549 + Sped up STRING manipulation (append, chop), improving PGE about 30%
551 - Added sections about Classes, OO programming, and methods.
552 - Added information about Annotations, Exceptions, and Handlers
554 - Removed non-functional STM subsystem
559 + fixed lexical semantics
560 + added the 'capture_lex' opcode
561 + added automatic resume for nonfatal exceptions
562 + added multidispatch cache
563 + applied miscellaneous performance improvements, including startup time
564 + fixed several bugs and leaks found by Coverity Scan
565 + removed race conditions from parallel testing
568 - removed undocumented .param int <stringc> => <ident> syntax
569 - .line directive now only takes an integer argument
570 - new .file directive to specify the file name being compiled
572 - properly handles lexical generation and closure semantics
573 - uses :subid instead of name lookups to reference PAST::Block nodes
574 - added PAST::Control node type (exception handlers)
576 - add support for <?{{...}}> and <!{{...}}> assertions
577 - Match objects use Capture PMC instead of Capture_PIR
579 - add macro handling to PASM mode
580 - disable vanilla register allocation in PASM mode, but do allow optimization
581 - add tests and bug fixes
582 - first bits of bytecode generation. No sub calling/returning yet.
585 - fixed lexical handling and recursion
586 - refactored subtypes implementation
587 - support for quotes with multi-character delimiters
588 - implemented list slices (Positional role)
590 - reduction meta operators
591 - hyper meta operators
592 - cross meta operators
593 - more builtin functions
595 - basic support for protos
596 - iterator on filehandle objects
597 - basic support for exception handlers
600 - added complex & mathx libraries
601 - merged LuaClosure & LuaFunction PMC
603 - added support for a return value from user defined functions
604 - added incomplete implemention of 'require_once'
606 - parser fixes, parses spidermonkey's top level test/shell.js
608 + PARROT_API is now PARROT_EXPORT
610 - :lexid is now :subid
611 - .arg is now .set_arg
612 - .result is now .get_result
613 - .yield (in .begin/end_yield) is now .set_yield
614 - .return (in .begin/end_return) is now .set_return
615 - .namespace x / .endnamespace x syntax is removed
616 + Capture_PIR (runtime/parrot/library/Parrot/Capture_PIR.pir)
620 + added CPAN module Storable 2.12 as a configuration and build dependency
621 + removed the pseudo PIR opcode 'addr'
622 + added the 'box' opcode
623 + fixed 'pop_eh' handling in PIR libraries and examples
624 + removed usage of .return for tailcalls (use .tailcall instead)
625 + removed 'get_hash' and 'get_array' from Capture PMC and Capture_PIR
626 + improved debugger and HLL coordination
627 + allowed MMD primitive autoboxing
628 + fixed all known memory leaks in PIR "Hello, world!"
629 + NCI signatures now JITted on x86-32 platforms (Windows and Linux)
630 + made the .const directive take a quoted type name instead of a constant
631 + made IMCC more re-entrant
634 - refactored Junctions implementation
635 - added "fire and forget" tool to rebase/rebuild/test Parrot and Rakudo
636 - updated container/reference semantics
637 - added more builtin methods and functions
638 - improved support for multilevel namespaces
639 - added support for .Str, .succ, .pred in user-defined classes
640 - implemented pointy blocks on if/loops
641 - increased STD.pm convergence
643 - improved MMD candidate sorting
644 - improved integration of Num and Int
645 - implemented increment on protoobjects
646 - added initial support for MAIN subs
647 - added .PARROT method
649 - added some predefined constants
650 - added implemention of the function basename()
652 - Added initial support for the classes Proc, Continuation, Queue, Dir, File, and FileStat
653 - fixed various minor bugs
654 - fixed broken Regexes
657 - added '.isa' method to PCT::Node
658 - cleaned up 'immediate block' handling
659 - allowed arguments to immediate blocks in loops/conditionals
660 - metaclass objects can now 'add_method'
662 - integrated macro processing in PIRC's lexer
663 - integrated heredoc lexer in PIRC executable
664 - added preprocess and heredoc-preprocess commandline options
665 - integrated the PASM grammar into PIRC
666 - added a register allocator to optimize the built-in vanilla allocator
667 - code cleanups and documentation
668 - added 'make test' target
670 - updated to work with new namespace/classname syntax
672 + PARROT_API will become PARROT_EXPORT
673 + :lexid will become :subid
676 - updates and additions to the Parrot book (see docs/book/)
678 - minor fixes to Parrot's base OpenGL bindings
679 - converted OpenGL PIR examples to Perl 6 (two complete, one WIP)
680 - added simplified OpenGL PIR example for NCI JIT testing
682 - further improvements to parallel tests
683 - tests no longer leave filesystem breadcrumbs
684 - more thorough testing of Parrot::Test itself
688 + float precision expanded to 15 significant digits from 6
689 + large integers autopromoted in PIR so as not to lose precision
690 + improved precision of complex square root
691 + exception handlers can register types of exceptions they catch
694 - implemented gather, take, and yield builtins
695 - Range, Time, Math, GC, Kernel classes
697 - added a new committer
698 + Markdown : new lightweight markup language
699 - start implementation with PCT/NQP
701 - Moved to its own repository: http://code.google.com/p/partcl/
703 - split() works with regexes
704 - implemented Str.comb
705 - ord() and chr() builtins
706 - improved parsing of literal numbers
707 - support for hyphens and dashes in identifiers
708 - next() on for-loops
709 - fixed floating point constant precision
710 - improved namespace handling, closer to STD.pm model
711 - support for exporting symbols
714 - now generates classes in nested namespaces instead of :: names
715 - supports class creation in caller's HLL namespace
717 - now using true nested namespaces instead of :: names
718 - cleaned up HLLCompiler interactive prompts and readline mode
719 - updated to use typed exception handler registration
720 - added initial support for loop control exceptions
722 - fixed Heredoc preprocessor
723 - cleaned up Macro preprocessor
724 - many code clean-ups, warning fixes and consting
725 - updated Makefile for easier compilation
727 - Added .tailcall syntax to replace .return in tailcall context
730 - an old style line numbered Basic interpreter able to use parrot objects
731 - example connecting to mysql via nci
732 - example using classes to write and run an embedded Basic program
735 - Added chapters for PCT, PMCs, and Opcodes/Runcores
736 - Expanded and improved formatting in various chapters
737 - Renumbered chapters
742 + add -I and -L command line options
743 + support for null strings in NCI calls
744 + preliminary support for resumable exceptions
745 + add '.hll_map' method for dynamic HLL type mapping
746 + more parrot_debugger fixes
747 + remove obsolete '.past' extension
750 - now over 3300 passing spectests
751 - precompiled modules
752 - precompiled scripts (--target=pir can now be executed standalone)
753 - Support for @*INC and %*INC varialbes
754 - additional builtin methods and subs
755 - added 'fail' function, warnings on use of undefined values
757 - qq, qw, q quoting forms
758 - run tests in parallel
762 - 'require' and precompiled modules
764 - all Array tests pass
766 - default arguments to functions
770 - add :loadinit attribute for PAST::Block
772 - major refactoring to allow all PIR keywords as identifiers
773 - links to libparrot now, so all Parrot ops are recognized as such
774 - implemented .loadlib, .HLL_map, .HLL
776 + add Xlib and Mysql modules and test programs to NCI examples
777 + many updates and cleanups to PDD documents
781 + PDD27: add multisub lookup
783 + new concurrency implementation (see PDD25)
784 + Exception PMC now captures a return continuation
785 + improved PMC encapsulation (Iterator, Key, Pair)
789 - parsing improvements
790 - minor additions to class builtins
791 - add support for block parameters to functions
793 - various language fixes
794 - refactor all libraries (namespace, method registration)
795 - add a OpenGL binding (still incomplete)
796 - lost user back trace (see ppd25 & pushaction)
798 - add support for while- and for-loops
799 - add support for increment and decrement
800 - designate PHP 5.3 as the reference implementation
801 - improve support for string literals
803 - removed due to bit rot
805 - now over 2200 passing spectests
806 - updated the Rakudo roadmap
807 - Perl 6 multi dispatch
808 - dispatch with slurpies
809 - class attributes ("my $.x")
811 - OO and metaclass improvements (.WHAT, .WHICH, .WHENCE)
812 - additional builtin methods and subs
813 - improved make test targets and harness
815 - implement [lreverse], [lsort -command]
816 - allow [incr] to autovivify
817 - update tclsh spec target to 8.5.3
818 - fix bug in TclDict PMC, allowing ~200 more [dict] spec tests to pass
819 - update 'make spectest' fudging, using TODO instead of SKIP if possible
822 - :scope('register') for PAST::Var nodes
823 - allow invocant specification in attribute scope PAST::Var nodes
824 - correct ordering of sub generation from POST
825 - add 'loadinit' attribute to PAST::Block for block initialization
827 - PIR registers now use the vanilla register allocator
828 - all PASM output now uses PASM registers
829 - all .locals and $registers are mapped
830 - clean-up of grammar, back-end and documentation
831 - implemented constant folding
832 - implemented instruction selection
834 + tests now clean up after themselves
835 + improved parallel test support
837 + Darwin problems fixed
839 + parrot_debugger renamed from pdb, numerous tweaks
842 + :vtable implies self in PIR
843 + modest core speed improvements
844 + Cygwin support improved
845 + "say" now an opcode (was dispatched to a method; see Deprecations)
847 + ".pragma n_operators" is deprecated
848 + old PASM register syntax (without "$") is deprecated
849 + bare (unquoted) method names are deprecated
850 + "#line" will be replaced with ".line"
851 + ".HLL_map" syntax will change
852 + ".loadlib" is now separate from ".HLL"
853 + mmdvtregister and mmdvtablefind opcodes are deprecated
854 + removed getfd, getclass opcodes
855 + removed IMCC syntax that treated some methods as builtins
856 + removed numeric get_attr and set_attr vtable entries
860 + removed a lot of old information from the FAQ
861 + improved function level documentation
863 + removed the configuration item 'has_gnu_m4'
864 + refactored ICU-detection
867 - improved the Smalltalk implementation
869 - renamed Plumhead to Pipp
870 - support for a lot of builtin functions.
871 - Pipp now uses PHP specific data types.
872 - converted from PCT with TGE to PCT with NQP actions
873 - improvements in the PCT variant by using optok parsing
874 - start of object support
876 - simple assignments work
878 - added a PCT-based implementation of JSON parsing
880 - improved handling of symbols
881 - added support for block handling
882 - added support for globals
886 - updated Range implementation
888 - added generic type declarations (::T)
889 - added runtime mixing of roles with 'does' and 'but'
890 - fixed handling of implicit lexicals ($_, $!, and $/)
891 - fixed implicit method calls on $_
892 - improved complex math builtins, added Complex
893 - moved many builtins to class Any
894 - declaration of lists of variables now work
895 - improved test infrastructure
896 - 910 additional passing spec tests since last release
897 - more convergence with STD.pm grammar
898 - added named 0-ary parsing and ops
901 - allowed subroutine and method names to be a PAST tree that produces the name
902 - Improved lexical handling
904 + pbc_disassemble renamed from disassemble
906 + allowed .macro_const in PIR
907 + added the flag :lexid(...) for subroutines
908 + made multiple dispatch work for sub types
909 + fixed garbage collection bug related to the metadata attached to a PMC_EXT structure
910 + added a warning when using deprecated opcodes
911 + simplified the stacks implementation
913 + improved closure and lexical support
914 + improved IMCC register allocator
915 + added cache for all runtime-constant strings, reducing memory usage
917 + improved OpenGL/GLU/GLUT bindings
918 + added a standard profile for Perl::Critic coding standard testing
919 + added support for smoke testing with Smolder
920 + enabled use of Test::Harness 3.0 if available, but don't require it for 'make test'
921 + added the executable 'parrot_config' to query Parrot configuration
925 + updated pdd09_gc.pod
928 - dramatically improved parsing speed
929 - added support for defining and instantiating classes
930 - started fleshing out the builtin class hierarchy
931 - added support for hashes and arrays
932 + Chitchat: added the start of a smalltalk compiler
933 + Pheme: updated to match PGE changes
934 + Pynie: return statement, other minor updates
936 - added working list and hash contexts
937 - added 'return' statements
938 - added => pair constructor
939 - added ?? !! ternary
940 - added Range, range operators, Complex
941 - added common List, Hash methods
942 - refactored base classes
943 - added Mutable, Perl6Scalar classes
944 - added type-checking, is readonly/rw/copy for parameters
945 - added make localtest, docs/spectest-progress.csv
947 + Squaak: implement return statement
948 + Tcl: updated control flow exceptions to use new builtin types
950 + All tools converted to P6object metamodel
952 - <?foo> is now a zero-width match
953 - reduced backtracking to improve parsing speed
955 - added "return" PAST.op node type for subroutine returns
956 - added "keyed_int" scoping to PAST::Var
957 - fixed calls to closures
958 - automatically transcode 7-bit unicode to ascii for faster processing
959 + NQP: added "return" statement, ?? !! ternary operator
961 + expanded step gen::opengl
963 + updated function and macro names to match pdd09_gc.pod
965 + add ".namespace []" as alternative to ".namespace"
966 + "make codetest" target runs standard coding tests
968 + added P6object class for Perl 6 interfaces to objects in Parrot
969 + ported OpenGL/GLU/GLUT bindings to Win32, BSD, and more Mac OS X variants
970 + generate OpenGL/GLU/GLUT bindings by parsing system headers
971 + new OpenGL example shapes.pir, covering basic OpenGL 1.1 / GLUT 3 APIs
972 + new float4.pir structure-packing benchmark
973 + reduced memory use for variables
974 + improved constant string caching
975 + made code g++ and gcc (with optimizations) safe
976 + the usual collection of bugfixes and optimizations
980 + updated and launched pdd28_strings.pod
981 + updated pdd19_pir.pod
983 + added implementation of Rational PMC.
984 + simplified ops control flow syntax
985 + enabled backtrace on non-glibc platforms too
986 + improved some PIR error reporting
987 + removed user stack opcodes
988 (save, restore, lookback, entrytype, depth, rotate_up)
989 (NOTE: This was scheduled to occur after 0.7.0, moved up to this release)
990 + removed register stack, saveall, and restoreall opcodes
991 + removed various deprecated features and unused code
994 + C99: grammar updated
995 + Cardinal: resurrected, method calls and do blocks work now
996 + Eclectus: use NQP as PAST generating code
998 - added big number library
999 - updated to match PGE changes
1000 - added a bytecode disassembler & a Lua 5.1 VM bytecode translator
1001 + Pheme: updated to match PGE/PCT changes
1003 - use NQP as PAST generating code
1004 - use riaxpander for macro expansion
1007 - conditional and loop statement modifiers
1008 - lots of class, object, role, and method improvements
1009 - Str increment and decrement
1010 - improved spectest reporting
1011 - type checking on assignment
1012 - regexes and grammars
1016 + Squaak: added to repository
1019 + PGE: updated to match Synopsis 5, deprecated features removed
1021 - improve handling of register types, conversion between registers
1022 - improved error diagnostics
1023 - add 'arity' to for loops
1025 + added step auto::opengl
1026 + added step gen::opengl
1027 + added step gen::call_list
1029 + still more optimizations and performance improvements, especially in GC
1030 + new libraries: OpenGL/GLU/GLUT bindings (small subset working)
1031 + new dump_pbc.pl utility: PBC disassembly/source code weaver
1032 + improved C++ compiler support
1033 + optimized builds work again
1038 + drafted pdd29_compiler_tools.pod
1039 + updated pdd28_character_sets.pod draft
1040 + updated pdd19_pir.pod draft
1042 + c99: added independent C pre-processor
1043 + HQ9+: reimplemented with PCT
1045 . reimplementation with PCT, using PAST and POST
1046 . behavior aligned wih 5.1.3
1048 . implemented basic I/O, including '$*IN', '$*OUT', '$*ERR', 'prefix:='
1049 . implemented simple typing and runtime type checking
1050 . added basic multi-method dispatch
1051 . expanded named argument handling, including Pair and colonpairs
1052 . added 'Whatever' and 'Capture' classes
1053 . implemented 'handles' trait verb
1054 . added 'loop' statement
1055 . implemented 'given', 'when', 'for', 'while', 'until' statement modifiers
1056 . implemented Hash methods '.keys' and '.values'
1057 . fixed bug to get '.WHAT' working correctly
1058 . initial implementation of 'eval'
1061 . created a bootstrapped build, see 'make boot'
1062 . added 'infix:<', 'infix:<=', 'infix:>', 'infix:>=' relational operators
1063 . added 'postfix:++', 'postfix:--' operators
1065 . added methods specifying default behaviors in PAST, reducing repeated code
1066 . improved symbol table lookup
1068 . removed deprecated code including: P6Regex, P6Grammar, PAST-pm
1070 + notable speedups during compilation and execution of parrot and HLLs
1071 + pdb (the parrot debugger) can now catch parrot exceptions
1072 + better detection of glibc and gettext during configuration
1073 + various bugfixes, code cleanups, deprecations, and coding standard fixes
1078 + launched pdd18_security.pod
1079 + updated pdd17_pmc.pod
1080 + launching draft of pdd28_character_sets.pod
1082 + cleanup of IMCC documentation
1084 + add step auto::gettext
1085 + add step auto::crypto
1089 . Phase out P6Regex in favor of Perl6Regex
1091 '.local Array my_arr' is illegal now
1093 + C99: reimplementation with PCT
1096 . add support for functions with params
1097 . add math functions
1100 . first cut at smart matching
1101 . indirect method calls
1103 . added methods 'grep' and 'first'
1104 . implement auto{increment,decrement}
1105 . initial implementation of 'perl6doc'
1108 . add base64 library
1109 + Cardinal: basic support for functions with parameters
1110 + Pheme: various updates
1111 + Ecmascript: various updates
1112 + Tcl: now targeting tcl 8.5.1, no more expected failures in test suite.
1113 (No, this doesn't mean everything's implemented. =-)
1114 + Eclectus: various updates
1115 + WMLScript: various updates
1118 + Add library YAML::Dumper
1119 + Add the MD2, MD4, MD5, RIPEMD160, SHA & SHA1 PMC, as a wrapper
1122 + various bugfixes, code cleanups and coding standard fixes
1124 + remove external Perl 5 modules from the Parrot distribution
1128 + PDD09 (garbage collection) - approved
1129 + PDD28 (character sets) - draft started
1130 + added function documentation to some core functions
1131 + PCT beginners guide, optable guide and PAST nodes guide, bug fixes
1133 + IMCC: plugged various memory leaks and other cleanups
1135 . add "attribute" as a scope variant to PAST::Var nodes
1136 . add 'shift' and 'pop' methods to PAST:: nodes
1137 + NQP: add '=:=' op, tests for scalar and list contextualizers, \x escapes
1139 + APL: reimplementation with PCT
1140 + Cardinal (Ruby): reimplemention with PCT
1141 + Ecmascript: reimplementation with PCT
1142 + lolcode: improved expression parsing, ifthen, IT, YARN
1144 . aligned with Lua official release 5.1.3.
1145 . added initial PCT-based implementation.
1146 + Punie (Perl 1): refactor to use standard PCT-based filenames
1147 + Pynie (Python): add functions
1149 . rebranded, formerly known as 'perl6'
1150 . passes many more official Perl 6 Specification tests
1151 . added 'perl6doc' utility
1152 . oo including meta?classes, objects, methods, attributes, role composition
1153 . match variables, while/until statements, traits
1154 . many new methods for Str, List, Hash, Junction
1157 + PCCINVOKE syntax for named arguments using []; use () instead.
1158 + see DEPRECATED.pod for details
1160 + pbc_to_exe refactored for code reduction, portability, and maintainability
1162 + #line directives added to generated JIT files, improving debugging
1163 + consting, attribute marking, refactoring, warnings cleanup
1167 + PDD27 (multiple dispatch) - debut of new design
1168 + Numerous small updates to glossary.pod, etc
1170 + NQP: optional, named, and named/required parameters
1172 + PAST: "defined-or"
1174 + New mk_language_shell.pl script creates language stubs
1177 + Eclectus: start with support for local variables and procedures,
1178 use SXML as intermediate representation
1179 + Perl 6: list builtins, compiler directives, command-line options, etc.
1180 + "make perl6" now builds a Perl 6 executable
1181 + punie: more builtins, control structures, code refactoring
1182 + pynie: builtin stubs, more tests
1184 + New "pbc_to_exe" utility turns bytecode to executables
1185 + New set_outer method for subs
1186 + Further configuration refactoring for testability
1187 + All functions now completely headerized
1188 + Concurrency: interpreter schedulers
1190 + DYNSELF (changes to SELF; SELF to STATICSELF)
1191 + METHOD (replaced by renaming PCCMETHOD)
1192 + pmcinfo op (superseded by 'inspect')
1193 + get_attr, set_attr, and 8 other vtable methods
1194 + See DEPRECATED.pod for details
1197 + Minor speed enhancements with UTF-8 string handling
1199 + consting, attribute marking, warnings cleanup, memory leaks plugged ...
1203 + PDD19 (PIR) - reflect state on the ground; incorporate old IMCC docs
1204 + PDD25 (Concurrency) - launch out of draft
1205 + Improve documentation of deprecated parrot features.
1207 + PCT: Parrot Compiler Toolkit redesigned and updated
1208 + NQP: major updates, including support for namespaces,
1209 module/class declarations, methods
1210 + IMCC: remove .sym as alias for .local. Remove .pcc_
1211 prefix for calling directives (.pcc_begin became .begin_call).
1212 + PIRC: creates an AST during the parse.
1213 + PGE: more updates to match S05 syntax.
1215 + perl6: re-implemented using PCT and NQP, new object subsystem
1216 + abc: re-implemented using PCT and NQP
1217 + eclectus: initial implementation
1218 + plumhead: add PCT variant
1219 + punie: re-implemented using PCT and NQP, extended to handle subroutines
1220 Happy 20th Birthday, Perl!
1221 + pynie: re-implemented using PCT and NQP
1222 + PIR: start conversion to NQP (under construction)
1224 + new opcodes: 'die', 'addhandler', 'copy'
1225 + Initial implementation of Concurrency PDD
1226 + Add 'arity' method to Sub and NCI PMCs
1229 + consting, attribute marking, warnings cleanup, memory leaks, GC...
1230 + dead code removal (includes some defunct languages)
1234 + PDD15 (OO) branch merged with trunk; this release contains a working,
1235 tested implementation of the latest OO model
1236 + Added pop_eh/push_eh_p/count_eh opcodes
1237 + Add --runcore command line option
1238 + Add gcdebug runcore to help track down GC bugs
1239 + minor improvements to IA-32 JIT
1241 + PDD19 (PIR): updates to macros, .pcc* directives
1242 + PDD25 (Concurrency): updated
1243 + PDD26 (AST): draft approved
1244 + PDD23 (Exceptions): draft approved
1245 + Copyright cleanups
1246 - Languages/Compilers
1247 + languages/APL: minor updates, PDD15 conformance
1248 + languages/dotnet: minor updates
1249 + languages/lua: minor updates, PDD15 conformance
1250 + languages/lisp: minor updates
1251 + languages/perl6: minor updates, PDD15 conformance
1252 + languages/plumhead: minor updates
1253 + languages/punie: minor updates, PDD15 conformance
1254 + languages/nqp: minor updates
1255 + languages/scheme: many updates, PDD15 conformance, improved tests, use
1256 PMCs instead of primitive registers to represent values
1257 + languages/tcl: bugfixes, PDD15 conformance
1258 + languages/WMLScript: minor updates
1259 + compilers/pirc: updates from PDD19, PDD06
1260 + compilers/pct: minor updates, PDD15 conformance
1261 + compilers/pge: PDD15 conformance
1262 + compilers/tge: PDD15 conformance
1264 + Improve test coverage
1265 + Improve reporting when a step fails; allow abort on failure
1267 + More coding standard conformance, tests, cleanup, speedups,
1269 + Bug cleanup, esp. GC bugs
1270 + Eliminate .imc extension (use .pir)
1271 + Simplify some core config steps to not allow interactive prompting
1277 + Bug fixes (including Coverity IDs 20, 22, 30, 119-122, 124-126, 129-131)
1278 Also various GC, memory, and segfault issues
1279 + Fix & reenable CGP core
1280 + Parrot's -r flag now works again (compile to and execute bytecode)
1281 + Updates to pmc2c & PIR syntaxes
1283 + Minor performance improvements, especially in PGE
1285 + PDD02 "Vtables" - superceded by PDD17
1286 + PDD06 "PASM" - minor updates
1287 + PDD17 "PMC" - add VTABLE syntax, update core PMC struct, restore UnionVal
1288 + PDD19 "PIR" - early review started
1289 + PDD21 "Namespaces" - cleanup
1290 + PDD24 "Events" - draft approved
1291 + PDD25 "Concurrency" - minor updates
1292 + PDD26 "AST" - draft version begun
1293 + PIR tutorials updated
1294 - Languages/Compilers
1295 + Make scheme work with the current calling conventions, other major work.
1296 + Updates to m4, lua, compilers/pirc, languages/PIR, dotnet, tcl
1298 + make -j functional again
1299 + Code cleanup (refactoring, optimizations)
1303 + Performed code review on every PMC
1304 + Modified PMC code generation to use Storable, reducing compile times
1305 + Added a makefile target to generate test coverage data of C sources
1307 + NQP: added lists, for loops, operators, comparison and multiplicative operators
1308 + Announced Kea-CL, Kea Common Lisp, an ANSI Common Lisp implementation
1309 The repository is available at https://rgrjr.dyndns.org/svn/kea-cl/trunk/
1311 + PDD17 "PMCs" - draft approved, the design is complete
1312 + Added more PIR tutorials, see examples/tutorial/00_README.pod
1314 + Many bugfixes, enhancements, documentation, and coding standard updates
1315 + Deprecated PMC constants and other crufty syntax, see DEPRECATED.pod
1316 + Improved icc compiler compatibility for error line reporting
1320 + Lots of code review, many bugs fixed
1321 + Many more code cleanups and compiler warning levels
1322 + Started a new jit engine for 64-bit processors
1323 + Refactored configure process, with tests and new diagnostic options
1324 + Added new CodeString PMC for dynamic generation of PIR code
1325 + More pdd15 support for object metamodel.
1327 + Added NQP ("Not Quite Perl"), a very lightweight Perl 6-like language
1328 + Significant improvements and refactors to PCT (Parrot Compiler Toolkit)
1329 + perl6 passes more spec tests
1330 + Lua works now with a PGE/TGE/PAST-pm based compiler, lives in one pbc,
1331 and the interpreter has same behavior as original.
1333 + Added a committers' HOWTO
1334 + More PIR tutorial examples
1338 - Now, with Seat Belts!
1339 + added makefile targets for Sun lint, BSD lint, and splint
1340 + corrected many errors picked up by these tools
1341 + decorated source code with compiler hints, assertions, and attribute macros
1342 + automated creation of function declarations to prevent common errors
1343 + increased compiler warnings levels
1344 + converted more exceptions to a recoverable form
1346 + updated Lisp, Lua, Perl 6, tcl, regex, Scheme ("Pheme")
1347 + Perl 6 now fetches selected tests from pugs, and even passes some
1348 + PGE modified to handle {*} action subs for top-down and bottom-up parsers,
1349 and to allow grammar subclassing
1350 + HLLCompiler now has better exception, eval, and exit support
1351 + Introduced PCT, a refactor of HLLCompiler and PAST-pm
1353 + PDD15 "Objects" - details added to 'new' and 'getattribute' opcodes
1354 + PDD17 "PMCs" - notes added on instantiation and dynamic extention in PIR
1356 + added Parrot-related text from "Perl 6 and Parrot Essentials" book,
1357 tutorial examples from "Learning PIR" talk, and PDD15 metamodel diagrams
1359 + reduced memory footprint when using named registers
1360 + implemented overridding of vtable methods by PDD15 classes
1361 + improved PDD15 support for 'new', 'instantiate', and others
1362 + added makefile targets to ease core and HLL makefile regeneration
1363 + updated parrot dubugger, "pdb", to allow loading of commands from file
1365 + many bugfixes, enhancements, documentation, and coding standard updates
1369 + Updated Lisp, Lua, PHP ("Plumhead"), Python ("Pynie"), ABC,
1370 WMLScript, and Tcl ("ParTcl").
1371 + Perl 6 passes all of the sanity tests.
1372 + PGE supports latest Perl 6 grammar syntax. Perl 6, Python
1373 ("Pynie"), and ABC parsers updated to match.
1374 + Updated PHP ("Plumhead") to Antlr 3.0.
1375 + Lua added the beginnings of a PGE/TGE based compiler (not yet
1376 replacing the Perl/Yapp compiler).
1377 + Lisp updated for current features, added a test suite.
1378 - Core Implementation:
1379 + Filled in features and backward compatibility for PDD 15 objects.
1380 New object metamodel passes 85% of old test suite.
1381 + GCC API symbols are visible externally only when explicitly exported.
1382 + Added generated GCC compiler attributes to increase warnings, and
1383 cleaned up resulting warnings.
1384 + Code cleanup efforts and fixed memory leaks by the cage cleaners,
1385 resulting in notable speed increases.
1387 + Updated Parrot distribution to Artistic License 2.0, from dual
1388 Artistic 1/GPL license.
1389 + SDL examples brought up-to-date with current features.
1393 + even more refactorings and improvements in configuration system
1394 + improved tests and documentation for configuration system
1396 + Updated abc, PHP ("Plumhead"), Lua, Tcl
1399 + new PMC PDD draft partially completed
1401 + continued implementation of PDD 15 (Objects)
1402 + minor garbage collector and memory management improvements
1403 + several memory leaks resolved
1404 + extended support for compilers other than GCC
1405 + improved C++ compiler compatibility
1406 + enhanced support for Solaris, non-MSVC Win32, and other platforms
1411 + IMCC: added documentation for C-based Parrot Calling Conventions,
1412 refactorings and bug fixes
1413 + PGE: new perl6regex front end reflecting recent S05 syntax changes
1414 + PIRC: new prototype PIR parser
1416 + Updated Lua, PHP ("Plumhead"), BASIC, pynie
1417 + Lua implements environment
1419 + PDD15 "Objects" - details added, and draft approved
1421 + Added guidelines for PMC documentation
1423 + PDD15 implementation is largely complete, including role-based composition,
1424 introspection, and C3 method resolution order
1425 + new Exporter PMC for importing globals between namespaces
1426 + new string utilities for radix conversion
1427 + PCCINVOKE and Parrot_PCCINVOKE allow calling using the full Parrot Calling
1428 Conventions from PMCs and C code respectively
1430 + Refactorings and improvements in test coverage for 'Configure.pl'
1432 + many bugfixes, enhancements, and code cleanup
1433 + added example subversion config file
1434 + extended support for gcc, icc, and other compilers
1435 + extended support for Solaris and other platforms
1441 + IMCC: Parrot calling conventions now available between two C PMCs (PMINVOKE)
1442 + PGE: Match object improvements
1443 + smop: added Attribute and Class PMCs
1444 + HLLCompiler: improvements for interactive mode
1446 + extended binding to a list of variables
1448 + Updated Lua, PHP ("Plumhead"), Tcl ("ParTcl"), Ruby ("Cardinal")
1449 + Update PIR, regex, Zcode
1450 + New language: Pynie - a Python compiler for Parrot
1451 + Lua implements require and many other ops, improved regex support
1454 + PDD01 "Overview" - updated architecture and platform information
1455 + PDD15 "Objects" - details on roles, objects, and classes added
1456 + PDD22 "I/O" - added async ops and Status PMC details
1458 + Added guides for Metacommitter, Relase Manager, and Cage Cleaner roles
1460 + Object, Class, Role, and Attribute PMC implementation has begun
1461 + Perl 5 module "Parrot::Embed" now compiles and links on all platforms
1463 + Major improvements in test coverage for 'ops2c.pl'
1465 + New utility: Crow, a template processor
1466 + New library module: Config/JSON for reading/writing JSON files
1467 + many bugfixes, enhancements, and coding standard updates, code cleanup
1472 + IMCC: Parrot calling conventions now available in C PMCs, allowing
1473 named, optional, slurpy, and flat parameter passing
1474 + PGE: extended support for Perl 5 Regexes
1475 + smop: prototype object model implementation
1476 + hllcompiler: refactored to run a configurable set of compilation stages
1478 + redesigned assign/binding to support Perl 6 binding semantics
1480 + Updated Lua, PHP ("Plumhead"), Tcl ("ParTcl"), perl6, perl5
1481 + New language: PIR - a PGE-based implementation of Parrot PIR
1482 + perl6 now supports binding (':=') and 'join'
1483 + lua generates tail calls, and supports its own regex flavor (PGE-based)
1484 + Pheme still works, huzzah!
1486 + PDD21 "Objects" - rewritten
1487 + PDD22 "I/O" - updated and 'TODO' tests added
1489 + Interface stability classification standards approved
1490 + Roles and Responsibilities documented approved
1491 + Official 'drafts' directory created (was 'clip')
1493 + More NameSpace and OS PMC methods implemented
1494 + Parrot executable fullname and basename now available in PIR/PASM code
1495 + new 'chomp' library function
1497 + Major improvements in test coverage for 'ops2pm.pl'
1499 + many bugfixes, enhancements, and coding standard updates
1500 + extended support for Sun Workshop Compilers
1501 + Parrot now builds on PocketPC platform
1506 + HLLCompiler: added tracing options, modified api
1507 + PGE & TGE bugfixes and updates
1509 + added global and lexical variable support
1510 + added looping constructs, arrays, hashes
1512 + Updated PHP ("Plumhead"), Tcl ("ParTcl"),
1513 forth, perl6, lua, abc, APL, WMLScript, punie
1514 + ParTcl is passing > 24.9% of Tcl cvs-latest test suite
1515 + perl6 now supports hashes, arrays, method calls, arity-based
1516 multisubs, quoted terms, ranges (non-lazy), try blocks, $!
1518 + PDD01 "Overview" - updated
1519 + PDD22 "I/O" - rewritten and approved
1521 + Converted Perl 5 Regex tests to PIR, with notable speedup
1522 + Added tests for opcodes, compilers, languages, and coding standards
1524 + Major improvements in test coverage for 'pmc2c.pl'
1526 + many bugfixes, enhancements, and coding standard updates
1527 + extended support for non-core platforms including Cygwin, Tru64
1531 - New languages: PHP ("Plumhead"), Forth
1532 - Updated languages: Ruby ("Cardinal"), Tcl, Lua
1533 - Remove old Python implementation from Parrot repository; the new Python
1534 language code is hosted at http://pirate.tangentcode.com
1536 + PGE updated with more expressions, latest changes to S05
1537 + new Perl 6 grammar compiler
1539 + Perl 5 module "Parrot::Embed" allows easy embedding of a Parrot
1540 runtime into a Perl 5 program
1542 + new :init pragma for subs that must run before the main function
1543 + new :vtable pragma to identify subs that override PMC vtable methods,
1544 eliminating the need for special subroutine names
1545 + PIR parser/compiler does not stop on first syntax error
1546 + Vanilla register allocator ("register alligator") greatly improves
1547 performance compiling large functions
1548 + Eliminated limit on number of PIR macros
1550 + hash lookups return null instead of None for missing keys
1552 + PDD13 "Bytecode files: format and manipulation" - new
1553 + PDD10 "Embedding" - new
1554 + PDD25 "Concurrency" - rewritten
1555 + PDD15 "Objects" - new section on redesign requirements
1556 + PDD07 "Coding standards" - significant updates and automated tests
1558 + Many many more new tests
1560 + autoconf compatible install options
1562 + Namespace refinements
1563 + Coroutine improvements
1564 + An impressive swarm of other bugfixes and enhancements
1568 - New languages: Ruby ("Cardinal"), Javascript ("ecmascript")
1569 - Updated languages: Tcl, dotnet, bc, Pheme, Punie, WMLScript
1570 - Updated compilers: PGE, TGE
1572 + ".loadlib" directive expresses dependencies
1573 + ".namespace" with no parameter goes to HLL root
1574 + lexer is reentrant (reentrant grammar in progress)
1575 - Namespace improvements:
1576 + new suite of opcodes to access namespaces and globals
1577 ("find_global" and "store_global" will be phased out)
1578 + namespace '' no longer means HLL root
1579 - Design document updates:
1580 namespaces (pdd23), basic types (pdd17), embedding
1581 - Updated tool requirements for developers:
1582 flex 2.5.33, bison 2.1, perl 5.6.1
1583 - New to-do list for people new to Parrot:
1585 - The usual plethora of bugfixes and enhancements
1589 - unicode subroutine names
1590 - hierarchical class names finished including MMD support
1591 - new dotnet CLI to PIR translator
1592 - improved TGE code and compiler
1593 - APL: vector handling
1594 - new STM branch in the svn repository
1595 - the usual bugfixes and enhancements
1599 - hierarchical class names
1602 - understands simple vector ops, strings
1603 - demonstrates use of Unicode in Parrot
1604 - pgc, a compiler for rules and operator precedence parsers
1605 - Major redesign and improvements for PGE
1606 - compilers understand named parameter options
1607 - :ratchet option implemented to support non-backtracking quantifiers
1608 - TGE (tree grammar engine) for tree transformations
1609 - tgc, tree grammar compiler
1611 - support for many operators, lexical scalars, regex matches
1612 - new pheme (Parrot scheme) compiler
1616 - namespaces partially implemented
1617 - rulec, Perl 6 rule compiler
1618 - PGE improvements including return values for closure
1619 - parts of a Perl 6 parser based on PGE
1620 - complex trigonometric methods
1621 - type of Sub PMC is now overridable by HLL
1623 - many bug fixes and improvements
1627 - improved PPC and x86 JIT support including JIT compilation
1628 of very simple PASM/PIR subroutines
1629 - preliminary libreadline support
1630 - better trace and debug features
1632 - META.yml to support proper indexing on CPAN
1633 - new opcode: hcf (in "my_ops" in dynamic op library)
1634 - new File pmc for file specific ops (is_dir, is_file, copy, rename...)
1635 - named arguments and parameters (both :named("") and => syntaxes)
1636 - ongoing config improvements
1637 - tons of bug fixes and other small improvements - too much to list all
1641 - Installation: 'make install' is using standard locations now
1642 (/usr/local is the default --prefix)
1643 - Produce static and shared libraries on some systems
1644 - Configure system rearragement
1645 - OS pmc started (mkdir,cd,cwd,rm,umask,stat)
1647 - Test files are now testable with 'prove'
1648 - Smoke (and smokej) outputs progress
1649 - PIR supports: I = A < B (>,<=,>=,==,!=)
1650 - Add support for octal number constants
1652 - almost finish [string]; start [file]
1653 - add build tool for generating inline'd tcl builtins from templates.
1654 - Jako updates: NCI, subroutines, global variables and constants all work.
1659 - New lexical handling and closure support including better
1660 introspection for caller and outer
1661 - PGE (Parrot Grammar Engine) provides now compilers for P6Rule,
1662 P6Grammar, P5Regexp, and Glob
1663 - ca. 1000 new tests including 800 for Perl5 regexp
1664 - Improved unicode charset and encoding support
1665 - Calling conventions for exception handlers
1666 - Punie (Perl 1) uses TGE (Tree Grammar Engine) to convert from
1667 PGE match objects to AST via two steps of tree transformation grammars
1668 - New languages: amber and lua
1669 - The usual code fixes, cleanup, and improvements, including an overhaul
1670 of the config and test framework
1674 - Variable sized register frames are finished. Each subroutine gets
1675 the amount of registers that it actually needs. No more spilling.
1676 - Vastly improved PGE (Parrot Grammar Engine) including shift-reduce,
1677 precedence-based expression parser and support for matching of
1678 bracketed text delimited by e.g. ()[]{}'"
1679 - uniccode character classification (is_upper ...)
1680 - support for heredoc syntax in assembler
1681 - improved examples, basic JSON support
1682 - debian packaging support
1683 - the usual improvements, bug fixes, and cleanup
1684 - test count exceeds 3000
1688 - New calling conventions implemented: see PDD03 for details
1689 - Merge multiple Parrot bytecode (PBC) files into a singe PBC file
1690 - 'make smoke' target going beta
1691 - bc now supports if statements, comparison ops, prefix inc/dec
1692 - ParTcl adds [lassign], [switch] (partially); [expr] converted to a compiler
1693 - Many exciting doc updates, tests, and bugfixes, too numerous to mention
1697 - Dynamic classes now compile on Windows (including ParTcl)
1698 - New Super PMC allows easy access to superclass methods
1699 - Implement C3 method resolution order (just like Perl 6 & Python)
1700 - ParTcl has new PIR-based parser and passes more Tcl tests
1701 - added character class support in Globs to PGE
1702 - added language implementations of unlambda, Lazy-k
1703 - many bugfixes, including GC and memory leaks
1704 - the new calling scheme continued to evolve in branches/leo-ctx5
1708 - new call scheme: docs/pdds/pdd03_calling_conventions.pod
1709 - partial implementation of the new calling conventions
1710 PASM only, don't mix PIR foo() call syntax with the new scheme
1711 - grammar and rule support in PGE - the Parrot Grammar Engine
1712 - TCL passes >10% of the tcl test suite
1713 - the usual bugfixes and improvements
1717 - better HLL support (short names for object attributes, and
1718 .HLL and n_operators pragmas)
1719 - string encoding and charset can now be set independently
1720 - experimental mmap IO layer for slurping files
1721 - distinct debug and trace flag settings
1722 - glob support in PGE
1723 - new character classification opcodes and interfaces
1727 - parrot repository is now under subversion
1728 - MMD (Multi Method Dispatch) enhanced
1729 - new unary and infix opcodes that return new result PMCs
1730 - dynamic scalar PMCs inherit now almost all from Parrot core PMCs
1731 - more unification of PMCs and ParrotObjects
1732 - tailcalls for functions and methods
1733 - PGE (Parrot Grammar Engine) reworked
1734 - Pugs creates Parrot code and Pugs is a registered compiler now
1735 - new languages/lisp
1736 - the usual bug fixes and improvements
1740 - New string handling code. Strings now have charset and encoding
1741 - Parts of a generation garbage collector
1742 - Better Python code, separated in dynclasses
1743 - Parrot Grammar Engine
1744 - Improved test coverage and documentation
1748 Parrot 0.1.1 is an intermediate release with tons of updates and fixes.
1749 - Python support: Parrot runs 4/7 of the pie-thon test suite
1750 - Better OS support: more platforms, compiler, OS functions
1751 - Improved PIR syntax for method calls and <op>= assignment
1752 - Dynamic loading reworked including a "make install" target
1753 - MMD - multi method dispatch for binary vtable methods
1754 - Library improvement and cleanup
1755 - BigInt, Complex, *Array, Slice, Enumerate, None PMC classes
1756 - IA64 and hppa JIT support
1757 - Tons of fixes, improvements, new tests, and documentation updates.
1758 A lot is unfinished and keeps changing. Nethertheless Parrot is stable
1759 and usable at the surface, while internals are moving.
1762 - "Ladies and gentlemen, I give you... objects!"
1763 - Huge documentation overhaul
1764 - More supported platforms, s. PLATFORMS
1765 - Basic thread support for pthread based architectures
1766 - Basic event handling for timers and signals including:
1767 - PASM callbacks for NCI (native C) functions.
1768 - Improved platform configuration
1769 - COW stacks now working, stacks code redone
1770 - Structure handling vastly improved
1771 - Random PMC and rand primitives
1772 - Better subroutine call syntax in PIR
1773 - Make PIR subroutines compliant with pdd03
1774 - Improved profiling (DOD, GC timings)
1775 - Hash code improvements, incl. random key order support
1776 - Experimental freeze/thaw code for some PMC types
1777 - IO improvements for buffered layer and Win32
1779 - String bitwise vtables
1781 - Support for JIT, where malloced memory isn't executable
1782 - Priority DOD scheme for objects that need timely destruction
1783 - Improved byte code loading (e.g. onLoad functions)
1784 - Language updates: forth, Perl 6/P6C, m4
1785 - Libraries: Getopt_Long, SDL, Dumper, Sort
1787 - Unified imcc and parrot test handling
1788 - Many new tests (make test reports 1386 tests)
1789 - Numerous bug fixes
1792 - The Big Move: Parrot source and build files rearranged into sub dirs
1793 - Build imcc as parrot
1794 - Objects more finished
1795 - Delegate vtable methods to byte code
1796 - Binary multi-method dispatching
1797 - Isa and does methods for PMCs
1798 - Call byte code from C
1799 - Start of extension interface
1800 - Experimental struct handling
1801 - Catch access to NULL PMCs
1802 - Experimental network socket interface code and opcodes
1803 - IO fixes and improvements
1804 - Dynamic opcode libraries
1805 - Fix-assigned opcode numbers
1806 - Argument flattening for function calls
1807 - More native call interface (NCI) signatures
1808 - Ncurses, postgres, and pcre interface libraries
1809 - Forth language is vastly improved
1810 - BSD and Win32 build improvements
1811 - Many new tests and fixes
1814 - This number intentionally left blank
1818 - Dynamic PMC registration
1819 - Trial exception system
1820 - Beginnings of object system
1823 - I/O system improvements
1825 - Documentation for basic PMC types
1826 - IMCC support of Parrot Calling Conventions
1827 - Runtime loading of chartypes (and other string improvements)
1828 - Conditional breakpoints
1829 - Dramatically accelerated sweeps for finalizable objects
1830 - Small PMCs (PMCs split into core and extensions)
1831 - Loadable bytecode packfiles
1833 - Sub variants that deal with the stack correctly
1834 - Switched runops core
1835 - Line numbers in warnings
1836 - Environment access
1837 - Many documentation cleanups
1838 - Conversion to CPS style!
1839 - BASIC debugger and many other wacky features
1840 - Filename, line number parsing support in IMCC
1845 - some more benchmarking
1847 - optimized math ops
1848 - intersegment branches
1849 - more complete use of PObjs
1850 - beefed up packfiles
1851 - sub/continuation/coroutine fixes
1852 - better NCI (native calling interface)
1853 - many imcc improvements
1858 - Native function calling interface (Dan)
1859 - Stack/list aggregate rewrite (Leo)
1860 - Scratchpads (Jonathan Sillito)
1861 - Preliminary DotGNU support -- type conversion ops (Gopal V + Leo)
1862 - Buffer/PMC unification (Leo)
1863 - stabs debugging support for JIT (Leo)
1864 - Jako overhaul (Gregor)
1865 - Optional Lea allocator (Leo)
1866 - Parrot sprintf (Brent)
1868 - PMC Properties (Dan)
1869 - Various JIT improvements (D. Grunblatt + Leo)
1870 - Extensible packfiles (Juergen)
1871 - Restructured PMC hierarchy (Leo)
1872 - Real Scheme (Juergen)
1876 - Several new grammars and a BNF -> perl5 and perl6 converter (Jeff)
1877 - Working Perl 6 REs (Sean)
1878 - Keyed Access (Tom Hughes et al)
1879 - New PMCs (Alberto et al)
1880 - Better Documentation
1882 - GC acceleration (Mike Lambert)
1883 - Lexical scope (Jonathan Sillito)
1889 - Perl 6 Grammar and Compiler (Sean)
1890 - Subroutines, coroutines, and continuations (Melvin)
1891 - GC improvements (Peter Gibbs, Mike Lambert)
1892 - Global variables (Melvin)
1893 - Intermediate bytecode compiler (Melvin, Angel)
1894 - And much, much more.
1898 - New assembler that support keyed types (Jeff)
1899 - New macro layer, allowing constants (Jeff)
1900 - New Configure.pl (Brent)
1901 - Changes to bytecode format, endian issues resolved (Melvin)
1902 - GC improvements and bug fixes (Peter Gibbs, Mike Lambert)
1903 - JIT compiler rewrite (Jason and Daniel)
1904 - Parrot assembler in Parrot (Daniel)
1905 - Parrot debugger (Daniel)
1906 - BASIC polished, Eliza.bas is new (Clint)
1907 - Cola compiler committed and working, with limited OOP (Melvin)
1908 - Keyed aggregates (Steve Fink)
1909 - Global ops (Melvin)
1910 - Compile-time speedup (Melvin)
1911 - Much documentation
1913 - Contributed tetris and lzw files
1914 - And many more, from the cast of thousands
1919 - Perl Scalar support in PMCs
1920 - Array and Hash types almost ready for prime-time
1921 - Internal support for keyed types
1922 - EMACS editing mode
1924 - New Language - BASIC
1925 - Regular expression compiler
1927 - Many, many bug fixes, enhancements, and speedups
1931 - Arena-based memory allocation system
1934 - "Predereferencing" mode - ./parrot -P - 22% speedup
1935 - JIT compiler - ./parrot -j
1936 - Parrot now builds warnings-clean on many platforms
1937 - Many more PMC methods implemented
1938 - Regular expression operations
1940 - Basic support for embedding Parrot in other programs
1942 - Added PDDs to distribution
1946 - Added an assembly optimizer
1947 - Improved string encoding/type support
1949 - Source reformatting
1950 - Major refactoring in packfile library
1951 - More Miniperl functionality
1952 - New PMC "clone" operator
1953 - Beginnings of key-based access to PMCs - arrays and hashes
1954 - MOPS comparisons in examples/mops/
1959 - Perl base scalar types implemented
1960 - A new minilanguage, Scheme
1961 - Much improved documentation
1962 - Register stacks pushing and popping
1963 - User stack pushing, popping and rotating
1964 - Jako updates: subroutines, more example programs, optimizations
1965 - test_prog renamed to 'parrot'
1967 - Added features to the assembler: @ for current location, and global
1969 - Build tweaks for VMS
1970 - Bytecode typing clean-ups
1971 - More platforms: OS X, HPUX, OS/2
1972 - The proliferation of runops cores reduced to one fast and one slow one
1973 - Opcode tracing, bounds checking, profiling
1974 - Vastly improved string support, with separation of encoding and
1977 - Multiple interpreter creation support - the beginnings of threading
1978 - Much better resource handling - the beginnings of GC
1982 - Parrot now works on all core platforms
1983 - A large number of tests, in the standard Perl testing framework
1984 - A new minilanguage (Jako) which compiles to Parrot assembly
1985 - Documentation about the assembly language (docs/parrot_assembly.pod)
1987 - Separate modules for assembly (Parrot::Assemble) and bytecode
1988 manipulation (Parrot::PackFile::*, packfile.c)
1989 - Assembler completely rewritten
1990 - Better operand-type guessing in the assembler
1991 - Assembler support for '\n' etc. in string constants
1992 - Code reformatted to match the coding standards
1993 - New ops for register-constant INTEGER comparisons
1994 - Macro expansion in the assembler
1995 - IVs and NVs renamed to more friendly INTVAL and NUMVAL
1996 - Hard-coded pack("") formats removed
1997 - Better handling of floating-point numbers in assembler
1998 - Moved floats to constant table (fixing many alignment issues)