5 + Added a fixed-size structure allocator to the Garbage Collector
6 + Added a "lazy" mode to the PObj and Fixed-Size memory allocators
7 + Added a profiling runcore, which generates Callgrind-compatible output
8 + Added lexical subsystem opcodes: find_dynamic_lex, store_dynamic_lex
9 + Converted Contexts to garbage-collectable PMC structures
10 + Created a new Context API
11 + Enhanced the PMC allocator to automatically allocate ATTR structures
13 + Optimized opcodes to cache the current Context for subsequent lookups
14 + Reduced string comparisons in VTABLE_isa
15 - Maintenance and cleanup
16 + Began proper encapsulation of STRING API
17 + Unified all PMC destruction functions
18 + Unified Continuation PMC and Parrot_cont structure
19 + Unified Sub PMC and Parrot_sub structure
20 + Removed PMC_EXT structure
21 + Removed PMC_Sync from PMC
22 + Removed UnionVal from PMC structure
24 + Fixed several stack-walking bugs in Garbage Collector code
25 + Fixed bug when copying a NULL STRING, now returns empty STRING struct
27 + Converted several Perl5 tests to PIR
28 + Expanded test coverage of NameSpace PMC
30 + Made Parrot Compiler Toolkit available in the base install
34 + Removed several deprecated functions and features
35 + Removed bsr, jsr, branch_cs, and ret opcodes
36 + Removed global stacks system
37 + Changed OPS file format to include explicit preamble
38 + Changed all "new 'Iterator'" instructions into 'iter' instructions
39 + Removed Configure.pl options for specifying non-working GC cores
40 + Removed unexecuting code as found by Coverity
41 + Improvements to the Parrot Debugger
42 + Added experimental fixed-size structure allocator to the GC
43 + Added experimental lazy arena allocation to the GC
44 + Refactored hashes, keys, and iterators
45 + Added "corevm" make target to build Parrot without all the supporting libraries
46 + Removed Random PMC type and added in a "rand" dynop
47 + Optimization and Improvements to the NCI thunk generator
48 + New include file libpaths.pasm
50 + Multiple .local with same name and different type is now an error on IMCC.
52 + Improved support for detecting Fink and Macports
53 + Updated search directories for libraries
55 + "Parrot Developers Guide: PIR" released to publisher and available to purchase
56 + Improved documentation about Parrot Debugger
57 + Update PGE Documentation
59 + Deprecate 'PASM1' compiler object, update to warn instead of segfault
61 + Fixes to code, documentation, and standards
65 + Key and Iterator refactor
66 + Major pbc_to_exe generated code speed improvement
67 + New "Infinite Memory" GC core for demonstration purposes
68 + gc_debug runcore and GC-related heisenbug fixes
69 + Elimination of variable expansion in parrot_config
70 + CLI arguments are processed as Unicode by default
71 + Substantial optimizations in NCI
72 + Parrot builds on Win64
73 + Hashes can use native types as keys and values
74 + Fixed installed pbc_to_exe
75 + Simplification of PMC generation code
76 + Improved GC encapsulation and API documentation
78 + List of candidates for embedding API (docs/embed.pod)
79 + PIR book sent to publisher
81 + Several conversions of Perl test to pure PIR.
82 + C indentation coding standards test improvement
83 + Improved test coverage of example code
85 + Removal of PGE rules: <null> <fail> <sp> <lt> <gt> <dot>
86 + Removal of PGE methods: .text .item .result_object
87 + Deprecation of most dynops
89 + Beginnings of OpenGL::Math library; OpenGL bindings and library marked experimental
90 + Localizing and consting fixes
91 + Many memory and thread-related leaks plugged
95 + Optimized parts of the IO system
96 + Fixed inheritance hierarchy of FileHandle and Socket PMC types
97 + Fixed leaks involving subroutines and Parrot_Context
98 + Cleaned up and refactored GC internals, including fixes and optimizations
99 + Optimized PMC class manipulations to use type numbers instead of string names
100 + Fixed problems involving hashval calculations in strings
101 + Removed unnecessary MULTI dispatches in built-in PMCs
102 + Fixed memory leaks involving PMCs that were not properly destroyed
103 + Fixed creation of PMCProxy PMCs in correct namespaces
104 + Added preliminary Pipe support
105 + Fixed cloning of Object PMCs
106 + Added root_new opcode
107 + Added initial versions of Packfile PMCs with read/write capabilities
109 + Fixed several memory leaks in IMCC
110 + Updated PCT to use root_new opcode
111 + Added support for keyword "self" in NQP
113 + Improved and expanded /docs/book
114 + Updated project documentation
115 + Defined 'experimental' status and procedures in DEPRECATED.pod
117 + Cleaned code and improved code-level documentation
118 + Various bugfixes, code cleanups, and coding standard fixes
119 + Added an experimental compiler library to help use PIR libraries from HLLs
120 + Updated OpenGL library and examples to support experimental HLL import
124 + Fixes for pir classes inheriting from core pmcs.
125 + Cleaned up headers and reorganized some sources into subsystem directories.
126 + Clean up PMCs so libparrot.so exports far fewer vtable/method symbols.
127 + Clean up the GC API.
128 + Several unicode identifier improvements in IMCC.
130 + Protoobject stringification is gone.
132 + Rewrite several core documents.
133 + Many reworks, improvements & additions to the Parrot Book.
134 + Installation PDD is launched out of draft.
136 + Fixes for running the language shell generator outside the parrot tree.
137 + Several fixes for developing and building HLLs from an installed parrot.
138 + Configure.pl now has a --no-line-directives option to ease source level debugging.
140 + Portability updates for macports, netbsd, mingw32, hpux.
141 + Several (build time, runtime) performance improvements.
142 + Lots of updates to examples and tests.
143 + Various bugfixes, code cleanups, and coding standard fixes.
147 + Added op: load_language, find_caller_lex
148 + Socket IO are back as PMC
149 + Refactor some PMC: Hash, ManagedStruct
153 - Allow \x, \c, and \o in enumerated character classes (incl ranges)
154 - Add initial greedy-only version of ** <exp> quantifier
156 - Add HLL source line bytecode annotations
157 - Add another dumper format to assist syntax highlighters
158 - Revise mk_language_shell.pl to updated create_language.pl
160 + Removed ops: gcd, exec, classname, need_finalize, runinterp, substr_r
161 + Removed dynamic op: mul
162 + Removed .HLL_map directive; use interp's .hll_map() instead
163 + Removed PMCs: slice, bound_nci, ref
164 + Removed Configure.pl option: --pmc
165 + Removed PMC union struct
168 - Reorganization and many improvements & additions
170 + Add a parrot-fuzzer
172 + Improve Debian/Ubuntu package
173 + various bugfixes, code cleanups, and coding standard fixes
178 + New user documentation for exceptions.
179 + Updates to Chapters 4 & 5 of the Parrot book.
180 + Improved and expanded generated HTML documentation, as the input for
181 http://docs.parrot.org.
182 + Added Compiled HTML Help (.chm) version of documentation.
183 + Cleanups and fixes.
186 - left the nest and is now at http://pynie.googlecode.com/
188 - left the nest and is now at http://github.com/cardinal
190 - left the nest and is now at http://paraplegic.googlecode.com/
191 + ABC, Squaak, and Befunge moved to examples/.
192 + All remaining languages moved to https://svn.parrot.org/languages/
194 + Support for language builds from an installed Parrot.
195 + Expanded language shell generator for new languages.
196 + 'parrotbug' utility repurposed for the Trac interface.
198 + Removed deprecated Tqueue and Closure PMCs.
199 + String, Key, NCI, LexPad, Iterator, Sub, Continuation, RetContinuation,
200 ExceptionHandler, ParrotLibrary, ParrotInterpreter, ParrotThread,
201 ParrotRunningThread, Rational, FixedPMCArray, ResizablePMCArray, and
202 GDBMHash PMCs now use declared attributes (ATTR), in place of the
208 + Support for portable 'Inf', 'NaN' and -0.0
209 + pbc_disassemble prints constants in constants table
210 + New experimental BigNum implementation
211 + Pair is now a dynamic loadable PMC
212 + Various function name sanification
213 + New implementation of Strings component
214 + Replace various PMC value union access code by VTABLE method invocations
215 + Replace various PMC value unions by ATTRibutes
216 + Removed SArray PMC. Use FixedPMCArray instead.
219 - updates to Chapter 2 (getting started)
220 - updates to Chapter 3 (PIR basics)
221 - updates to Chapter 4 (PIR subroutines)
222 - updates to Chapter 10 (HLLs)
223 - updates to Chapter 12 (opcodes)
224 + Function documentation
225 + Pod documentation style modernized; no longer Perl 5 style.
226 + PMC has an additional acronym: Poly Morphic Container
227 + The DOD (Dead Object Detection) acronym is no longer used;
228 use 'GC' to refer to the Garbage Collector component.
231 - :named flag can now take string registers as argument
232 - A single '=cut' directive is now ignored (without initial Pod directive)
233 - :vtable subs now have proper access to 'self' pseudo variable
235 + add new 'Pod' documentation parser
236 + Pipp (PHP implementation):
237 - Pipp is now at http://github.com/bschmalhofer/pipp
238 - support for 'print', 'dirname', 'implode', 'str_replace',
239 - various grammar fixes
241 + add 'quit', 'readline' builtins
242 + fix 'Boolean' type and 'print' builtin
244 - left the nest and is now at http://github.com/fperrad/lua/
246 - left the nest and is now at http://github.com/rakudo/rakudo/
247 - build instructions can be found at http://tinyurl.com/rakudo
249 - left the nest and is now at http://github.com/bschmalhofer/lazy-k.git
251 - left the nest and is now at http://github.com/bschmalhofer/unlambda/
253 - left the nest and is now at http://github.com/fperrad/wmlscript.git
254 + removed Zcode implementation
257 - ATTRs are now inherited automatically in subclassing PMCs
259 + Parrot_readbc, Parrot_loadbc renamed to Parrot_pbc_read, Parrot_pbc_load.
260 + .HLL_map directive in favour of 'hll_map' method on Parrot interpreter
261 + Data::Escape library
263 + pbc_disassemble options added
264 + pbc_dump renamed from pdump
266 + Parrot is now Copyright Parrot Foundation
267 + Parrot's SVN repository is now hosted at https://svn.parrot.org
268 + Various code cleanups, consting, 64-bit incompatibilities and other bug fixes
271 New in January 2009 release (0.9.0)
273 + Implemented bytecode annotations
274 + Role composition is now aware of multi-subs
275 + Unbuffered IO PMCs now autopromote when buffering is necessary
276 + Installation parrot binary and libparrot shared library now supported
277 + Class registry now respects HLLs
280 - removed keyed string indexing, e.g. $S0[1].
281 - removed slice syntax, e.g. $P0[1..2]
282 - removed .namespace <ident>/.endnamespace <ident> pair
283 - fixed 'new $P0, [classname]' syntax
285 - refactoring of various data structures
286 - various bug fixes and updates
287 - complete bytecode generation
288 - add '-x' commandline option to run compiled code
290 - add 'hll' and 'subid' attributes to PAST::Block
291 - refactor loop handling code to handle last/redo/next
292 - add :pasttype('stmts') and :pasttype('null')
293 - improve "scope not found" error message
294 - allow PAST::Val nodes to contain block references
296 - add "skipkey" option to PGE::OPTable
297 - allow spaces before modifiers in regexes
298 - add '(' ~ ')' goal matching syntax
299 - skip creating a class/grammar if it already exists
302 - improved error mesages in multi dispatch
303 - implemented clone method for all objects
304 - implemented MAIN sub
305 - Unicode versions of infix hyper operators
306 - refactored IO.readline
307 - basic support for Inf and NaN
308 - list and array slices with whatever star
310 - implemented last and redo
311 - pointy blocks as terms
312 - refactored variable and parameter passing
313 - improved assignment semantics
314 - improved parsing of type names and subs
315 - mostly implemented parametric roles
316 - separate types for blocks, subs and methods
317 - basic support for submethods
318 - implemented Junction autothreading of user code (not builtins yet)
319 - eval supports :lang attribute
320 - proto makes other subs in scope multis, including in role composition
322 - back to working state
325 - add support for predefined constant __CLASS__ and __METHOD__
326 - add initial support for static members
327 - add support for namespaced constants
328 - constants are now handled as package vars
329 - variables are now lexical variables
330 - add support for superglobals in functions
331 - Call the class __constructor when there is one
332 - added incomplete support for closures
333 - removed support for the alternative parsing strategies
334 - added support for 'elsif'
335 - added support for 'do-while'
337 - left the nest and is now at https://github.com/bschmalhofer/hq9plus/
339 - left the nest and is now at http://github.com/bschmalhofer/eclectus/
341 - left the nest and is now at http://github.com/bschmalhofer/m4/
343 - add a minimalist user back trace
345 - "does" and "morph" VTABLE interfaces are now overridable from PIR
348 - 'make smoke' now generates Smolder reports sent to
349 http://smolder.plusthree.com/app/public_projects/smoke_reports/8
350 + Improved const and null correctness for C function parameters
351 + Sped up STRING manipulation (append, chop), improving PGE about 30%
353 - Added sections about Classes, OO programming, and methods.
354 - Added information about Annotations, Exceptions, and Handlers
356 - Removed non-functional STM subsystem
361 + fixed lexical semantics
362 + added the 'capture_lex' opcode
363 + added automatic resume for nonfatal exceptions
364 + added multidispatch cache
365 + applied miscellaneous performance improvements, including startup time
366 + fixed several bugs and leaks found by Coverity Scan
367 + removed race conditions from parallel testing
370 - removed undocumented .param int <stringc> => <ident> syntax
371 - .line directive now only takes an integer argument
372 - new .file directive to specify the file name being compiled
374 - properly handles lexical generation and closure semantics
375 - uses :subid instead of name lookups to reference PAST::Block nodes
376 - added PAST::Control node type (exception handlers)
378 - add support for <?{{...}}> and <!{{...}}> assertions
379 - Match objects use Capture PMC instead of Capture_PIR
381 - add macro handling to PASM mode
382 - disable vanilla register allocation in PASM mode, but do allow optimization
383 - add tests and bug fixes
384 - first bits of bytecode generation. No sub calling/returning yet.
387 - fixed lexical handling and recursion
388 - refactored subtypes implementation
389 - support for quotes with multi-character delimiters
390 - implemented list slices (Positional role)
392 - reduction meta operators
393 - hyper meta operators
394 - cross meta operators
395 - more builtin functions
397 - basic support for protos
398 - iterator on filehandle objects
399 - basic support for exception handlers
402 - added complex & mathx libraries
403 - merged LuaClosure & LuaFunction PMC
405 - added support for a return value from user defined functions
406 - added incomplete implemention of 'require_once'
408 - parser fixes, parses spidermonkey's top level test/shell.js
410 + PARROT_API is now PARROT_EXPORT
412 - :lexid is now :subid
413 - .arg is now .set_arg
414 - .result is now .get_result
415 - .yield (in .begin/end_yield) is now .set_yield
416 - .return (in .begin/end_return) is now .set_return
417 - .namespace x / .endnamespace x syntax is removed
418 + Capture_PIR (runtime/parrot/library/Parrot/Capture_PIR.pir)
422 + added CPAN module Storable 2.12 as a configuration and build dependency
423 + removed the pseudo PIR opcode 'addr'
424 + added the 'box' opcode
425 + fixed 'pop_eh' handling in PIR libraries and examples
426 + removed usage of .return for tailcalls (use .tailcall instead)
427 + removed 'get_hash' and 'get_array' from Capture PMC and Capture_PIR
428 + improved debugger and HLL coordination
429 + allowed MMD primitive autoboxing
430 + fixed all known memory leaks in PIR "Hello, world!"
431 + NCI signatures now JITted on x86-32 platforms (Windows and Linux)
432 + made the .const directive take a quoted type name instead of a constant
433 + made IMCC more re-entrant
436 - refactored Junctions implementation
437 - added "fire and forget" tool to rebase/rebuild/test Parrot and Rakudo
438 - updated container/reference semantics
439 - added more builtin methods and functions
440 - improved support for multilevel namespaces
441 - added support for .Str, .succ, .pred in user-defined classes
442 - implemented pointy blocks on if/loops
443 - increased STD.pm convergence
445 - improved MMD candidate sorting
446 - improved integration of Num and Int
447 - implemented increment on protoobjects
448 - added initial support for MAIN subs
449 - added .PARROT method
451 - added some predefined constants
452 - added implemention of the function basename()
454 - Added initial support for the classes Proc, Continuation, Queue, Dir, File, and FileStat
455 - fixed various minor bugs
456 - fixed broken Regexes
459 - added '.isa' method to PCT::Node
460 - cleaned up 'immediate block' handling
461 - allowed arguments to immediate blocks in loops/conditionals
462 - metaclass objects can now 'add_method'
464 - integrated macro processing in PIRC's lexer
465 - integrated heredoc lexer in PIRC executable
466 - added preprocess and heredoc-preprocess commandline options
467 - integrated the PASM grammar into PIRC
468 - added a register allocator to optimize the built-in vanilla allocator
469 - code cleanups and documentation
470 - added 'make test' target
472 - updated to work with new namespace/classname syntax
474 + PARROT_API will become PARROT_EXPORT
475 + :lexid will become :subid
478 - updates and additions to the Parrot book (see docs/book/)
480 - minor fixes to Parrot's base OpenGL bindings
481 - converted OpenGL PIR examples to Perl 6 (two complete, one WIP)
482 - added simplified OpenGL PIR example for NCI JIT testing
484 - further improvements to parallel tests
485 - tests no longer leave filesystem breadcrumbs
486 - more thorough testing of Parrot::Test itself
490 + float precision expanded to 15 significant digits from 6
491 + large integers autopromoted in PIR so as not to lose precision
492 + improved precision of complex square root
493 + exception handlers can register types of exceptions they catch
496 - implemented gather, take, and yield builtins
497 - Range, Time, Math, GC, Kernel classes
499 - added a new committer
500 + Markdown : new lightweight markup language
501 - start implementation with PCT/NQP
503 - Moved to its own repository: http://code.google.com/p/partcl/
505 - split() works with regexes
506 - implemented Str.comb
507 - ord() and chr() builtins
508 - improved parsing of literal numbers
509 - support for hyphens and dashes in identifiers
510 - next() on for-loops
511 - fixed floating point constant precision
512 - improved namespace handling, closer to STD.pm model
513 - support for exporting symbols
516 - now generates classes in nested namespaces instead of :: names
517 - supports class creation in caller's HLL namespace
519 - now using true nested namespaces instead of :: names
520 - cleaned up HLLCompiler interactive prompts and readline mode
521 - updated to use typed exception handler registration
522 - added initial support for loop control exceptions
524 - fixed Heredoc preprocessor
525 - cleaned up Macro preprocessor
526 - many code clean-ups, warning fixes and consting
527 - updated Makefile for easier compilation
529 - Added .tailcall syntax to replace .return in tailcall context
532 - an old style line numbered Basic interpreter able to use parrot objects
533 - example connecting to mysql via nci
534 - example using classes to write and run an embedded Basic program
537 - Added chapters for PCT, PMCs, and Opcodes/Runcores
538 - Expanded and improved formatting in various chapters
539 - Renumbered chapters
544 + add -I and -L command line options
545 + support for null strings in NCI calls
546 + preliminary support for resumable exceptions
547 + add '.hll_map' method for dynamic HLL type mapping
548 + more parrot_debugger fixes
549 + remove obsolete '.past' extension
552 - now over 3300 passing spectests
553 - precompiled modules
554 - precompiled scripts (--target=pir can now be executed standalone)
555 - Support for @*INC and %*INC varialbes
556 - additional builtin methods and subs
557 - added 'fail' function, warnings on use of undefined values
559 - qq, qw, q quoting forms
560 - run tests in parallel
564 - 'require' and precompiled modules
566 - all Array tests pass
568 - default arguments to functions
572 - add :loadinit attribute for PAST::Block
574 - major refactoring to allow all PIR keywords as identifiers
575 - links to libparrot now, so all Parrot ops are recognized as such
576 - implemented .loadlib, .HLL_map, .HLL
578 + add Xlib and Mysql modules and test programs to NCI examples
579 + many updates and cleanups to PDD documents
583 + PDD27: add multisub lookup
585 + new concurrency implementation (see PDD25)
586 + Exception PMC now captures a return continuation
587 + improved PMC encapsulation (Iterator, Key, Pair)
591 - parsing improvements
592 - minor additions to class builtins
593 - add support for block parameters to functions
595 - various language fixes
596 - refactor all libraries (namespace, method registration)
597 - add a OpenGL binding (still incomplete)
598 - lost user back trace (see ppd25 & pushaction)
600 - add support for while- and for-loops
601 - add support for increment and decrement
602 - designate PHP 5.3 as the reference implementation
603 - improve support for string literals
605 - removed due to bit rot
607 - now over 2200 passing spectests
608 - updated the Rakudo roadmap
609 - Perl 6 multi dispatch
610 - dispatch with slurpies
611 - class attributes ("my $.x")
613 - OO and metaclass improvements (.WHAT, .WHICH, .WHENCE)
614 - additional builtin methods and subs
615 - improved make test targets and harness
617 - implement [lreverse], [lsort -command]
618 - allow [incr] to autovivify
619 - update tclsh spec target to 8.5.3
620 - fix bug in TclDict PMC, allowing ~200 more [dict] spec tests to pass
621 - update 'make spectest' fudging, using TODO instead of SKIP if possible
624 - :scope('register') for PAST::Var nodes
625 - allow invocant specification in attribute scope PAST::Var nodes
626 - correct ordering of sub generation from POST
627 - add 'loadinit' attribute to PAST::Block for block initialization
629 - PIR registers now use the vanilla register allocator
630 - all PASM output now uses PASM registers
631 - all .locals and $registers are mapped
632 - clean-up of grammar, back-end and documentation
633 - implemented constant folding
634 - implemented instruction selection
636 + tests now clean up after themselves
637 + improved parallel test support
639 + Darwin problems fixed
641 + parrot_debugger renamed from pdb, numerous tweaks
644 + :vtable implies self in PIR
645 + modest core speed improvements
646 + Cygwin support improved
647 + "say" now an opcode (was dispatched to a method; see Deprecations)
649 + ".pragma n_operators" is deprecated
650 + old PASM register syntax (without "$") is deprecated
651 + bare (unquoted) method names are deprecated
652 + "#line" will be replaced with ".line"
653 + ".HLL_map" syntax will change
654 + ".loadlib" is now separate from ".HLL"
655 + mmdvtregister and mmdvtablefind opcodes are deprecated
656 + removed getfd, getclass opcodes
657 + removed IMCC syntax that treated some methods as builtins
658 + removed numeric get_attr and set_attr vtable entries
662 + removed a lot of old information from the FAQ
663 + improved function level documentation
665 + removed the configuration item 'has_gnu_m4'
666 + refactored ICU-detection
669 - improved the Smalltalk implementation
671 - renamed Plumhead to Pipp
672 - support for a lot of builtin functions.
673 - Pipp now uses PHP specific data types.
674 - converted from PCT with TGE to PCT with NQP actions
675 - improvements in the PCT variant by using optok parsing
676 - start of object support
678 - simple assignments work
680 - added a PCT-based implementation of JSON parsing
682 - improved handling of symbols
683 - added support for block handling
684 - added support for globals
688 - updated Range implementation
690 - added generic type declarations (::T)
691 - added runtime mixing of roles with 'does' and 'but'
692 - fixed handling of implicit lexicals ($_, $!, and $/)
693 - fixed implicit method calls on $_
694 - improved complex math builtins, added Complex
695 - moved many builtins to class Any
696 - declaration of lists of variables now work
697 - improved test infrastructure
698 - 910 additional passing spec tests since last release
699 - more convergence with STD.pm grammar
700 - added named 0-ary parsing and ops
703 - allowed subroutine and method names to be a PAST tree that produces the name
704 - Improved lexical handling
706 + pbc_disassemble renamed from disassemble
708 + allowed .macro_const in PIR
709 + added the flag :lexid(...) for subroutines
710 + made multiple dispatch work for sub types
711 + fixed garbage collection bug related to the metadata attached to a PMC_EXT structure
712 + added a warning when using deprecated opcodes
713 + simplified the stacks implementation
715 + improved closure and lexical support
716 + improved IMCC register allocator
717 + added cache for all runtime-constant strings, reducing memory usage
719 + improved OpenGL/GLU/GLUT bindings
720 + added a standard profile for Perl::Critic coding standard testing
721 + added support for smoke testing with Smolder
722 + enabled use of Test::Harness 3.0 if available, but don't require it for 'make test'
723 + added the executable 'parrot_config' to query Parrot configuration
727 + updated pdd09_gc.pod
730 - dramatically improved parsing speed
731 - added support for defining and instantiating classes
732 - started fleshing out the builtin class hierarchy
733 - added support for hashes and arrays
734 + Chitchat: added the start of a smalltalk compiler
735 + Pheme: updated to match PGE changes
736 + Pynie: return statement, other minor updates
738 - added working list and hash contexts
739 - added 'return' statements
740 - added => pair constructor
741 - added ?? !! ternary
742 - added Range, range operators, Complex
743 - added common List, Hash methods
744 - refactored base classes
745 - added Mutable, Perl6Scalar classes
746 - added type-checking, is readonly/rw/copy for parameters
747 - added make localtest, docs/spectest-progress.csv
749 + Squaak: implement return statement
750 + Tcl: updated control flow exceptions to use new builtin types
752 + All tools converted to P6object metamodel
754 - <?foo> is now a zero-width match
755 - reduced backtracking to improve parsing speed
757 - added "return" PAST.op node type for subroutine returns
758 - added "keyed_int" scoping to PAST::Var
759 - fixed calls to closures
760 - automatically transcode 7-bit unicode to ascii for faster processing
761 + NQP: added "return" statement, ?? !! ternary operator
763 + expanded step gen::opengl
765 + updated function and macro names to match pdd09_gc.pod
767 + add ".namespace []" as alternative to ".namespace"
768 + "make codetest" target runs standard coding tests
770 + added P6object class for Perl 6 interfaces to objects in Parrot
771 + ported OpenGL/GLU/GLUT bindings to Win32, BSD, and more Mac OS X variants
772 + generate OpenGL/GLU/GLUT bindings by parsing system headers
773 + new OpenGL example shapes.pir, covering basic OpenGL 1.1 / GLUT 3 APIs
774 + new float4.pir structure-packing benchmark
775 + reduced memory use for variables
776 + improved constant string caching
777 + made code g++ and gcc (with optimizations) safe
778 + the usual collection of bugfixes and optimizations
782 + updated and launched pdd28_strings.pod
783 + updated pdd19_pir.pod
785 + added implementation of Rational PMC.
786 + simplified ops control flow syntax
787 + enabled backtrace on non-glibc platforms too
788 + improved some PIR error reporting
789 + removed user stack opcodes
790 (save, restore, lookback, entrytype, depth, rotate_up)
791 (NOTE: This was scheduled to occur after 0.7.0, moved up to this release)
792 + removed register stack, saveall, and restoreall opcodes
793 + removed various deprecated features and unused code
796 + C99: grammar updated
797 + Cardinal: resurrected, method calls and do blocks work now
798 + Eclectus: use NQP as PAST generating code
800 - added big number library
801 - updated to match PGE changes
802 - added a bytecode disassembler & a Lua 5.1 VM bytecode translator
803 + Pheme: updated to match PGE/PCT changes
805 - use NQP as PAST generating code
806 - use riaxpander for macro expansion
809 - conditional and loop statement modifiers
810 - lots of class, object, role, and method improvements
811 - Str increment and decrement
812 - improved spectest reporting
813 - type checking on assignment
814 - regexes and grammars
818 + Squaak: added to repository
821 + PGE: updated to match Synopsis 5, deprecated features removed
823 - improve handling of register types, conversion between registers
824 - improved error diagnostics
825 - add 'arity' to for loops
827 + added step auto::opengl
828 + added step gen::opengl
829 + added step gen::call_list
831 + still more optimizations and performance improvements, especially in GC
832 + new libraries: OpenGL/GLU/GLUT bindings (small subset working)
833 + new dump_pbc.pl utility: PBC disassembly/source code weaver
834 + improved C++ compiler support
835 + optimized builds work again
840 + drafted pdd29_compiler_tools.pod
841 + updated pdd28_character_sets.pod draft
842 + updated pdd19_pir.pod draft
844 + c99: added independent C pre-processor
845 + HQ9+: reimplemented with PCT
847 . reimplementation with PCT, using PAST and POST
848 . behavior aligned wih 5.1.3
850 . implemented basic I/O, including '$*IN', '$*OUT', '$*ERR', 'prefix:='
851 . implemented simple typing and runtime type checking
852 . added basic multi-method dispatch
853 . expanded named argument handling, including Pair and colonpairs
854 . added 'Whatever' and 'Capture' classes
855 . implemented 'handles' trait verb
856 . added 'loop' statement
857 . implemented 'given', 'when', 'for', 'while', 'until' statement modifiers
858 . implemented Hash methods '.keys' and '.values'
859 . fixed bug to get '.WHAT' working correctly
860 . initial implementation of 'eval'
863 . created a bootstrapped build, see 'make boot'
864 . added 'infix:<', 'infix:<=', 'infix:>', 'infix:>=' relational operators
865 . added 'postfix:++', 'postfix:--' operators
867 . added methods specifying default behaviors in PAST, reducing repeated code
868 . improved symbol table lookup
870 . removed deprecated code including: P6Regex, P6Grammar, PAST-pm
872 + notable speedups during compilation and execution of parrot and HLLs
873 + pdb (the parrot debugger) can now catch parrot exceptions
874 + better detection of glibc and gettext during configuration
875 + various bugfixes, code cleanups, deprecations, and coding standard fixes
880 + launched pdd18_security.pod
881 + updated pdd17_pmc.pod
882 + launching draft of pdd28_character_sets.pod
884 + cleanup of IMCC documentation
886 + add step auto::gettext
887 + add step auto::crypto
891 . Phase out P6Regex in favor of Perl6Regex
893 '.local Array my_arr' is illegal now
895 + C99: reimplementation with PCT
898 . add support for functions with params
902 . first cut at smart matching
903 . indirect method calls
905 . added methods 'grep' and 'first'
906 . implement auto{increment,decrement}
907 . initial implementation of 'perl6doc'
911 + Cardinal: basic support for functions with parameters
912 + Pheme: various updates
913 + Ecmascript: various updates
914 + Tcl: now targeting tcl 8.5.1, no more expected failures in test suite.
915 (No, this doesn't mean everything's implemented. =-)
916 + Eclectus: various updates
917 + WMLScript: various updates
920 + Add library YAML::Dumper
921 + Add the MD2, MD4, MD5, RIPEMD160, SHA & SHA1 PMC, as a wrapper
924 + various bugfixes, code cleanups and coding standard fixes
926 + remove external Perl 5 modules from the Parrot distribution
930 + PDD09 (garbage collection) - approved
931 + PDD28 (character sets) - draft started
932 + added function documentation to some core functions
933 + PCT beginners guide, optable guide and PAST nodes guide, bug fixes
935 + IMCC: plugged various memory leaks and other cleanups
937 . add "attribute" as a scope variant to PAST::Var nodes
938 . add 'shift' and 'pop' methods to PAST:: nodes
939 + NQP: add '=:=' op, tests for scalar and list contextualizers, \x escapes
941 + APL: reimplementation with PCT
942 + Cardinal (Ruby): reimplemention with PCT
943 + Ecmascript: reimplementation with PCT
944 + lolcode: improved expression parsing, ifthen, IT, YARN
946 . aligned with Lua official release 5.1.3.
947 . added initial PCT-based implementation.
948 + Punie (Perl 1): refactor to use standard PCT-based filenames
949 + Pynie (Python): add functions
951 . rebranded, formerly known as 'perl6'
952 . passes many more official Perl 6 Specification tests
953 . added 'perl6doc' utility
954 . oo including meta?classes, objects, methods, attributes, role composition
955 . match variables, while/until statements, traits
956 . many new methods for Str, List, Hash, Junction
959 + PCCINVOKE syntax for named arguments using []; use () instead.
960 + see DEPRECATED.pod for details
962 + pbc_to_exe refactored for code reduction, portability, and maintainability
964 + #line directives added to generated JIT files, improving debugging
965 + consting, attribute marking, refactoring, warnings cleanup
969 + PDD27 (multiple dispatch) - debut of new design
970 + Numerous small updates to glossary.pod, etc
972 + NQP: optional, named, and named/required parameters
976 + New mk_language_shell.pl script creates language stubs
979 + Eclectus: start with support for local variables and procedures,
980 use SXML as intermediate representation
981 + Perl 6: list builtins, compiler directives, command-line options, etc.
982 + "make perl6" now builds a Perl 6 executable
983 + punie: more builtins, control structures, code refactoring
984 + pynie: builtin stubs, more tests
986 + New "pbc_to_exe" utility turns bytecode to executables
987 + New set_outer method for subs
988 + Further configuration refactoring for testability
989 + All functions now completely headerized
990 + Concurrency: interpreter schedulers
992 + DYNSELF (changes to SELF; SELF to STATICSELF)
993 + METHOD (replaced by renaming PCCMETHOD)
994 + pmcinfo op (superseded by 'inspect')
995 + get_attr, set_attr, and 8 other vtable methods
996 + See DEPRECATED.pod for details
999 + Minor speed enhancements with UTF-8 string handling
1001 + consting, attribute marking, warnings cleanup, memory leaks plugged ...
1005 + PDD19 (PIR) - reflect state on the ground; incorporate old IMCC docs
1006 + PDD25 (Concurrency) - launch out of draft
1007 + Improve documentation of deprecated parrot features.
1009 + PCT: Parrot Compiler Toolkit redesigned and updated
1010 + NQP: major updates, including support for namespaces,
1011 module/class declarations, methods
1012 + IMCC: remove .sym as alias for .local. Remove .pcc_
1013 prefix for calling directives (.pcc_begin became .begin_call).
1014 + PIRC: creates an AST during the parse.
1015 + PGE: more updates to match S05 syntax.
1017 + perl6: re-implemented using PCT and NQP, new object subsystem
1018 + abc: re-implemented using PCT and NQP
1019 + eclectus: initial implementation
1020 + plumhead: add PCT variant
1021 + punie: re-implemented using PCT and NQP, extended to handle subroutines
1022 Happy 20th Birthday, Perl!
1023 + pynie: re-implemented using PCT and NQP
1024 + PIR: start conversion to NQP (under construction)
1026 + new opcodes: 'die', 'addhandler', 'copy'
1027 + Initial implementation of Concurrency PDD
1028 + Add 'arity' method to Sub and NCI PMCs
1031 + consting, attribute marking, warnings cleanup, memory leaks, GC...
1032 + dead code removal (includes some defunct languages)
1036 + PDD15 (OO) branch merged with trunk; this release contains a working,
1037 tested implementation of the latest OO model
1038 + Added pop_eh/push_eh_p/count_eh opcodes
1039 + Add --runcore command line option
1040 + Add gcdebug runcore to help track down GC bugs
1041 + minor improvements to IA-32 JIT
1043 + PDD19 (PIR): updates to macros, .pcc* directives
1044 + PDD25 (Concurrency): updated
1045 + PDD26 (AST): draft approved
1046 + PDD23 (Exceptions): draft approved
1047 + Copyright cleanups
1048 - Languages/Compilers
1049 + languages/APL: minor updates, PDD15 conformance
1050 + languages/dotnet: minor updates
1051 + languages/lua: minor updates, PDD15 conformance
1052 + languages/lisp: minor updates
1053 + languages/perl6: minor updates, PDD15 conformance
1054 + languages/plumhead: minor updates
1055 + languages/punie: minor updates, PDD15 conformance
1056 + languages/nqp: minor updates
1057 + languages/scheme: many updates, PDD15 conformance, improved tests, use
1058 PMCs instead of primitive registers to represent values
1059 + languages/tcl: bugfixes, PDD15 conformance
1060 + languages/WMLScript: minor updates
1061 + compilers/pirc: updates from PDD19, PDD06
1062 + compilers/pct: minor updates, PDD15 conformance
1063 + compilers/pge: PDD15 conformance
1064 + compilers/tge: PDD15 conformance
1066 + Improve test coverage
1067 + Improve reporting when a step fails; allow abort on failure
1069 + More coding standard conformance, tests, cleanup, speedups,
1071 + Bug cleanup, esp. GC bugs
1072 + Eliminate .imc extension (use .pir)
1073 + Simplify some core config steps to not allow interactive prompting
1079 + Bug fixes (including Coverity IDs 20, 22, 30, 119-122, 124-126, 129-131)
1080 Also various GC, memory, and segfault issues
1081 + Fix & reenable CGP core
1082 + Parrot's -r flag now works again (compile to and execute bytecode)
1083 + Updates to pmc2c & PIR syntaxes
1085 + Minor performance improvements, especially in PGE
1087 + PDD02 "Vtables" - superceded by PDD17
1088 + PDD06 "PASM" - minor updates
1089 + PDD17 "PMC" - add VTABLE syntax, update core PMC struct, restore UnionVal
1090 + PDD19 "PIR" - early review started
1091 + PDD21 "Namespaces" - cleanup
1092 + PDD24 "Events" - draft approved
1093 + PDD25 "Concurrency" - minor updates
1094 + PDD26 "AST" - draft version begun
1095 + PIR tutorials updated
1096 - Languages/Compilers
1097 + Make scheme work with the current calling conventions, other major work.
1098 + Updates to m4, lua, compilers/pirc, languages/PIR, dotnet, tcl
1100 + make -j functional again
1101 + Code cleanup (refactoring, optimizations)
1105 + Performed code review on every PMC
1106 + Modified PMC code generation to use Storable, reducing compile times
1107 + Added a makefile target to generate test coverage data of C sources
1109 + NQP: added lists, for loops, operators, comparison and multiplicative operators
1110 + Announced Kea-CL, Kea Common Lisp, an ANSI Common Lisp implementation
1111 The repository is available at https://rgrjr.dyndns.org/svn/kea-cl/trunk/
1113 + PDD17 "PMCs" - draft approved, the design is complete
1114 + Added more PIR tutorials, see examples/tutorial/00_README.pod
1116 + Many bugfixes, enhancements, documentation, and coding standard updates
1117 + Deprecated PMC constants and other crufty syntax, see DEPRECATED.pod
1118 + Improved icc compiler compatibility for error line reporting
1122 + Lots of code review, many bugs fixed
1123 + Many more code cleanups and compiler warning levels
1124 + Started a new jit engine for 64-bit processors
1125 + Refactored configure process, with tests and new diagnostic options
1126 + Added new CodeString PMC for dynamic generation of PIR code
1127 + More pdd15 support for object metamodel.
1129 + Added NQP ("Not Quite Perl"), a very lightweight Perl 6-like language
1130 + Significant improvements and refactors to PCT (Parrot Compiler Toolkit)
1131 + perl6 passes more spec tests
1132 + Lua works now with a PGE/TGE/PAST-pm based compiler, lives in one pbc,
1133 and the interpreter has same behavior as original.
1135 + Added a committers' HOWTO
1136 + More PIR tutorial examples
1140 - Now, with Seat Belts!
1141 + added makefile targets for Sun lint, BSD lint, and splint
1142 + corrected many errors picked up by these tools
1143 + decorated source code with compiler hints, assertions, and attribute macros
1144 + automated creation of function declarations to prevent common errors
1145 + increased compiler warnings levels
1146 + converted more exceptions to a recoverable form
1148 + updated Lisp, Lua, Perl 6, tcl, regex, Scheme ("Pheme")
1149 + Perl 6 now fetches selected tests from pugs, and even passes some
1150 + PGE modified to handle {*} action subs for top-down and bottom-up parsers,
1151 and to allow grammar subclassing
1152 + HLLCompiler now has better exception, eval, and exit support
1153 + Introduced PCT, a refactor of HLLCompiler and PAST-pm
1155 + PDD15 "Objects" - details added to 'new' and 'getattribute' opcodes
1156 + PDD17 "PMCs" - notes added on instantiation and dynamic extention in PIR
1158 + added Parrot-related text from "Perl 6 and Parrot Essentials" book,
1159 tutorial examples from "Learning PIR" talk, and PDD15 metamodel diagrams
1161 + reduced memory footprint when using named registers
1162 + implemented overridding of vtable methods by PDD15 classes
1163 + improved PDD15 support for 'new', 'instantiate', and others
1164 + added makefile targets to ease core and HLL makefile regeneration
1165 + updated parrot dubugger, "pdb", to allow loading of commands from file
1167 + many bugfixes, enhancements, documentation, and coding standard updates
1171 + Updated Lisp, Lua, PHP ("Plumhead"), Python ("Pynie"), ABC,
1172 WMLScript, and Tcl ("ParTcl").
1173 + Perl 6 passes all of the sanity tests.
1174 + PGE supports latest Perl 6 grammar syntax. Perl 6, Python
1175 ("Pynie"), and ABC parsers updated to match.
1176 + Updated PHP ("Plumhead") to Antlr 3.0.
1177 + Lua added the beginnings of a PGE/TGE based compiler (not yet
1178 replacing the Perl/Yapp compiler).
1179 + Lisp updated for current features, added a test suite.
1180 - Core Implementation:
1181 + Filled in features and backward compatibility for PDD 15 objects.
1182 New object metamodel passes 85% of old test suite.
1183 + GCC API symbols are visible externally only when explicitly exported.
1184 + Added generated GCC compiler attributes to increase warnings, and
1185 cleaned up resulting warnings.
1186 + Code cleanup efforts and fixed memory leaks by the cage cleaners,
1187 resulting in notable speed increases.
1189 + Updated Parrot distribution to Artistic License 2.0, from dual
1190 Artistic 1/GPL license.
1191 + SDL examples brought up-to-date with current features.
1195 + even more refactorings and improvements in configuration system
1196 + improved tests and documentation for configuration system
1198 + Updated abc, PHP ("Plumhead"), Lua, Tcl
1201 + new PMC PDD draft partially completed
1203 + continued implementation of PDD 15 (Objects)
1204 + minor garbage collector and memory management improvements
1205 + several memory leaks resolved
1206 + extended support for compilers other than GCC
1207 + improved C++ compiler compatibility
1208 + enhanced support for Solaris, non-MSVC Win32, and other platforms
1213 + IMCC: added documentation for C-based Parrot Calling Conventions,
1214 refactorings and bug fixes
1215 + PGE: new perl6regex front end reflecting recent S05 syntax changes
1216 + PIRC: new prototype PIR parser
1218 + Updated Lua, PHP ("Plumhead"), BASIC, pynie
1219 + Lua implements environment
1221 + PDD15 "Objects" - details added, and draft approved
1223 + Added guidelines for PMC documentation
1225 + PDD15 implementation is largely complete, including role-based composition,
1226 introspection, and C3 method resolution order
1227 + new Exporter PMC for importing globals between namespaces
1228 + new string utilities for radix conversion
1229 + PCCINVOKE and Parrot_PCCINVOKE allow calling using the full Parrot Calling
1230 Conventions from PMCs and C code respectively
1232 + Refactorings and improvements in test coverage for 'Configure.pl'
1234 + many bugfixes, enhancements, and code cleanup
1235 + added example subversion config file
1236 + extended support for gcc, icc, and other compilers
1237 + extended support for Solaris and other platforms
1243 + IMCC: Parrot calling conventions now available between two C PMCs (PMINVOKE)
1244 + PGE: Match object improvements
1245 + smop: added Attribute and Class PMCs
1246 + HLLCompiler: improvements for interactive mode
1248 + extended binding to a list of variables
1250 + Updated Lua, PHP ("Plumhead"), Tcl ("ParTcl"), Ruby ("Cardinal")
1251 + Update PIR, regex, Zcode
1252 + New language: Pynie - a Python compiler for Parrot
1253 + Lua implements require and many other ops, improved regex support
1256 + PDD01 "Overview" - updated architecture and platform information
1257 + PDD15 "Objects" - details on roles, objects, and classes added
1258 + PDD22 "I/O" - added async ops and Status PMC details
1260 + Added guides for Metacommitter, Relase Manager, and Cage Cleaner roles
1262 + Object, Class, Role, and Attribute PMC implementation has begun
1263 + Perl 5 module "Parrot::Embed" now compiles and links on all platforms
1265 + Major improvements in test coverage for 'ops2c.pl'
1267 + New utility: Crow, a template processor
1268 + New library module: Config/JSON for reading/writing JSON files
1269 + many bugfixes, enhancements, and coding standard updates, code cleanup
1274 + IMCC: Parrot calling conventions now available in C PMCs, allowing
1275 named, optional, slurpy, and flat parameter passing
1276 + PGE: extended support for Perl 5 Regexes
1277 + smop: prototype object model implementation
1278 + hllcompiler: refactored to run a configurable set of compilation stages
1280 + redesigned assign/binding to support Perl 6 binding semantics
1282 + Updated Lua, PHP ("Plumhead"), Tcl ("ParTcl"), perl6, perl5
1283 + New language: PIR - a PGE-based implementation of Parrot PIR
1284 + perl6 now supports binding (':=') and 'join'
1285 + lua generates tail calls, and supports its own regex flavor (PGE-based)
1286 + Pheme still works, huzzah!
1288 + PDD21 "Objects" - rewritten
1289 + PDD22 "I/O" - updated and 'TODO' tests added
1291 + Interface stability classification standards approved
1292 + Roles and Responsibilities documented approved
1293 + Official 'drafts' directory created (was 'clip')
1295 + More NameSpace and OS PMC methods implemented
1296 + Parrot executable fullname and basename now available in PIR/PASM code
1297 + new 'chomp' library function
1299 + Major improvements in test coverage for 'ops2pm.pl'
1301 + many bugfixes, enhancements, and coding standard updates
1302 + extended support for Sun Workshop Compilers
1303 + Parrot now builds on PocketPC platform
1308 + HLLCompiler: added tracing options, modified api
1309 + PGE & TGE bugfixes and updates
1311 + added global and lexical variable support
1312 + added looping constructs, arrays, hashes
1314 + Updated PHP ("Plumhead"), Tcl ("ParTcl"),
1315 forth, perl6, lua, abc, APL, WMLScript, punie
1316 + ParTcl is passing > 24.9% of Tcl cvs-latest test suite
1317 + perl6 now supports hashes, arrays, method calls, arity-based
1318 multisubs, quoted terms, ranges (non-lazy), try blocks, $!
1320 + PDD01 "Overview" - updated
1321 + PDD22 "I/O" - rewritten and approved
1323 + Converted Perl 5 Regex tests to PIR, with notable speedup
1324 + Added tests for opcodes, compilers, languages, and coding standards
1326 + Major improvements in test coverage for 'pmc2c.pl'
1328 + many bugfixes, enhancements, and coding standard updates
1329 + extended support for non-core platforms including Cygwin, Tru64
1333 - New languages: PHP ("Plumhead"), Forth
1334 - Updated languages: Ruby ("Cardinal"), Tcl, Lua
1335 - Remove old Python implementation from Parrot repository; the new Python
1336 language code is hosted at http://pirate.tangentcode.com
1338 + PGE updated with more expressions, latest changes to S05
1339 + new Perl 6 grammar compiler
1341 + Perl 5 module "Parrot::Embed" allows easy embedding of a Parrot
1342 runtime into a Perl 5 program
1344 + new :init pragma for subs that must run before the main function
1345 + new :vtable pragma to identify subs that override PMC vtable methods,
1346 eliminating the need for special subroutine names
1347 + PIR parser/compiler does not stop on first syntax error
1348 + Vanilla register allocator ("register alligator") greatly improves
1349 performance compiling large functions
1350 + Eliminated limit on number of PIR macros
1352 + hash lookups return null instead of None for missing keys
1354 + PDD13 "Bytecode files: format and manipulation" - new
1355 + PDD10 "Embedding" - new
1356 + PDD25 "Concurrency" - rewritten
1357 + PDD15 "Objects" - new section on redesign requirements
1358 + PDD07 "Coding standards" - significant updates and automated tests
1360 + Many many more new tests
1362 + autoconf compatible install options
1364 + Namespace refinements
1365 + Coroutine improvements
1366 + An impressive swarm of other bugfixes and enhancements
1370 - New languages: Ruby ("Cardinal"), Javascript ("ecmascript")
1371 - Updated languages: Tcl, dotnet, bc, Pheme, Punie, WMLScript
1372 - Updated compilers: PGE, TGE
1374 + ".loadlib" directive expresses dependencies
1375 + ".namespace" with no parameter goes to HLL root
1376 + lexer is reentrant (reentrant grammar in progress)
1377 - Namespace improvements:
1378 + new suite of opcodes to access namespaces and globals
1379 ("find_global" and "store_global" will be phased out)
1380 + namespace '' no longer means HLL root
1381 - Design document updates:
1382 namespaces (pdd23), basic types (pdd17), embedding
1383 - Updated tool requirements for developers:
1384 flex 2.5.33, bison 2.1, perl 5.6.1
1385 - New to-do list for people new to Parrot:
1387 - The usual plethora of bugfixes and enhancements
1391 - unicode subroutine names
1392 - hierarchical class names finished including MMD support
1393 - new dotnet CLI to PIR translator
1394 - improved TGE code and compiler
1395 - APL: vector handling
1396 - new STM branch in the svn repository
1397 - the usual bugfixes and enhancements
1401 - hierarchical class names
1404 - understands simple vector ops, strings
1405 - demonstrates use of Unicode in Parrot
1406 - pgc, a compiler for rules and operator precedence parsers
1407 - Major redesign and improvements for PGE
1408 - compilers understand named parameter options
1409 - :ratchet option implemented to support non-backtracking quantifiers
1410 - TGE (tree grammar engine) for tree transformations
1411 - tgc, tree grammar compiler
1413 - support for many operators, lexical scalars, regex matches
1414 - new pheme (Parrot scheme) compiler
1418 - namespaces partially implemented
1419 - rulec, Perl 6 rule compiler
1420 - PGE improvements including return values for closure
1421 - parts of a Perl 6 parser based on PGE
1422 - complex trigonometric methods
1423 - type of Sub PMC is now overridable by HLL
1425 - many bug fixes and improvements
1429 - improved PPC and x86 JIT support including JIT compilation
1430 of very simple PASM/PIR subroutines
1431 - preliminary libreadline support
1432 - better trace and debug features
1434 - META.yml to support proper indexing on CPAN
1435 - new opcode: hcf (in "my_ops" in dynamic op library)
1436 - new File pmc for file specific ops (is_dir, is_file, copy, rename...)
1437 - named arguments and parameters (both :named("") and => syntaxes)
1438 - ongoing config improvements
1439 - tons of bug fixes and other small improvements - too much to list all
1443 - Installation: 'make install' is using standard locations now
1444 (/usr/local is the default --prefix)
1445 - Produce static and shared libraries on some systems
1446 - Configure system rearragement
1447 - OS pmc started (mkdir,cd,cwd,rm,umask,stat)
1449 - Test files are now testable with 'prove'
1450 - Smoke (and smokej) outputs progress
1451 - PIR supports: I = A < B (>,<=,>=,==,!=)
1452 - Add support for octal number constants
1454 - almost finish [string]; start [file]
1455 - add build tool for generating inline'd tcl builtins from templates.
1456 - Jako updates: NCI, subroutines, global variables and constants all work.
1461 - New lexical handling and closure support including better
1462 introspection for caller and outer
1463 - PGE (Parrot Grammar Engine) provides now compilers for P6Rule,
1464 P6Grammar, P5Regexp, and Glob
1465 - ca. 1000 new tests including 800 for Perl5 regexp
1466 - Improved unicode charset and encoding support
1467 - Calling conventions for exception handlers
1468 - Punie (Perl 1) uses TGE (Tree Grammar Engine) to convert from
1469 PGE match objects to AST via two steps of tree transformation grammars
1470 - New languages: amber and lua
1471 - The usual code fixes, cleanup, and improvements, including an overhaul
1472 of the config and test framework
1476 - Variable sized register frames are finished. Each subroutine gets
1477 the amount of registers that it actually needs. No more spilling.
1478 - Vastly improved PGE (Parrot Grammar Engine) including shift-reduce,
1479 precedence-based expression parser and support for matching of
1480 bracketed text delimited by e.g. ()[]{}'"
1481 - uniccode character classification (is_upper ...)
1482 - support for heredoc syntax in assembler
1483 - improved examples, basic JSON support
1484 - debian packaging support
1485 - the usual improvements, bug fixes, and cleanup
1486 - test count exceeds 3000
1490 - New calling conventions implemented: see PDD03 for details
1491 - Merge multiple Parrot bytecode (PBC) files into a singe PBC file
1492 - 'make smoke' target going beta
1493 - bc now supports if statements, comparison ops, prefix inc/dec
1494 - ParTcl adds [lassign], [switch] (partially); [expr] converted to a compiler
1495 - Many exciting doc updates, tests, and bugfixes, too numerous to mention
1499 - Dynamic classes now compile on Windows (including ParTcl)
1500 - New Super PMC allows easy access to superclass methods
1501 - Implement C3 method resolution order (just like Perl 6 & Python)
1502 - ParTcl has new PIR-based parser and passes more Tcl tests
1503 - added character class support in Globs to PGE
1504 - added language implementations of unlambda, Lazy-k
1505 - many bugfixes, including GC and memory leaks
1506 - the new calling scheme continued to evolve in branches/leo-ctx5
1510 - new call scheme: docs/pdds/pdd03_calling_conventions.pod
1511 - partial implementation of the new calling conventions
1512 PASM only, don't mix PIR foo() call syntax with the new scheme
1513 - grammar and rule support in PGE - the Parrot Grammar Engine
1514 - TCL passes >10% of the tcl test suite
1515 - the usual bugfixes and improvements
1519 - better HLL support (short names for object attributes, and
1520 .HLL and n_operators pragmas)
1521 - string encoding and charset can now be set independently
1522 - experimental mmap IO layer for slurping files
1523 - distinct debug and trace flag settings
1524 - glob support in PGE
1525 - new character classification opcodes and interfaces
1529 - parrot repository is now under subversion
1530 - MMD (Multi Method Dispatch) enhanced
1531 - new unary and infix opcodes that return new result PMCs
1532 - dynamic scalar PMCs inherit now almost all from Parrot core PMCs
1533 - more unification of PMCs and ParrotObjects
1534 - tailcalls for functions and methods
1535 - PGE (Parrot Grammar Engine) reworked
1536 - Pugs creates Parrot code and Pugs is a registered compiler now
1537 - new languages/lisp
1538 - the usual bug fixes and improvements
1542 - New string handling code. Strings now have charset and encoding
1543 - Parts of a generation garbage collector
1544 - Better Python code, separated in dynclasses
1545 - Parrot Grammar Engine
1546 - Improved test coverage and documentation
1550 Parrot 0.1.1 is an intermediate release with tons of updates and fixes.
1551 - Python support: Parrot runs 4/7 of the pie-thon test suite
1552 - Better OS support: more platforms, compiler, OS functions
1553 - Improved PIR syntax for method calls and <op>= assignment
1554 - Dynamic loading reworked including a "make install" target
1555 - MMD - multi method dispatch for binary vtable methods
1556 - Library improvement and cleanup
1557 - BigInt, Complex, *Array, Slice, Enumerate, None PMC classes
1558 - IA64 and hppa JIT support
1559 - Tons of fixes, improvements, new tests, and documentation updates.
1560 A lot is unfinished and keeps changing. Nethertheless Parrot is stable
1561 and usable at the surface, while internals are moving.
1564 - "Ladies and gentlemen, I give you... objects!"
1565 - Huge documentation overhaul
1566 - More supported platforms, s. PLATFORMS
1567 - Basic thread support for pthread based architectures
1568 - Basic event handling for timers and signals including:
1569 - PASM callbacks for NCI (native C) functions.
1570 - Improved platform configuration
1571 - COW stacks now working, stacks code redone
1572 - Structure handling vastly improved
1573 - Random PMC and rand primitives
1574 - Better subroutine call syntax in PIR
1575 - Make PIR subroutines compliant with pdd03
1576 - Improved profiling (DOD, GC timings)
1577 - Hash code improvements, incl. random key order support
1578 - Experimental freeze/thaw code for some PMC types
1579 - IO improvements for buffered layer and Win32
1581 - String bitwise vtables
1583 - Support for JIT, where malloced memory isn't executable
1584 - Priority DOD scheme for objects that need timely destruction
1585 - Improved byte code loading (e.g. onLoad functions)
1586 - Language updates: forth, Perl 6/P6C, m4
1587 - Libraries: Getopt_Long, SDL, Dumper, Sort
1589 - Unified imcc and parrot test handling
1590 - Many new tests (make test reports 1386 tests)
1591 - Numerous bug fixes
1594 - The Big Move: Parrot source and build files rearranged into sub dirs
1595 - Build imcc as parrot
1596 - Objects more finished
1597 - Delegate vtable methods to byte code
1598 - Binary multi-method dispatching
1599 - Isa and does methods for PMCs
1600 - Call byte code from C
1601 - Start of extension interface
1602 - Experimental struct handling
1603 - Catch access to NULL PMCs
1604 - Experimental network socket interface code and opcodes
1605 - IO fixes and improvements
1606 - Dynamic opcode libraries
1607 - Fix-assigned opcode numbers
1608 - Argument flattening for function calls
1609 - More native call interface (NCI) signatures
1610 - Ncurses, postgres, and pcre interface libraries
1611 - Forth language is vastly improved
1612 - BSD and Win32 build improvements
1613 - Many new tests and fixes
1616 - This number intentionally left blank
1620 - Dynamic PMC registration
1621 - Trial exception system
1622 - Beginnings of object system
1625 - I/O system improvements
1627 - Documentation for basic PMC types
1628 - IMCC support of Parrot Calling Conventions
1629 - Runtime loading of chartypes (and other string improvements)
1630 - Conditional breakpoints
1631 - Dramatically accelerated sweeps for finalizable objects
1632 - Small PMCs (PMCs split into core and extensions)
1633 - Loadable bytecode packfiles
1635 - Sub variants that deal with the stack correctly
1636 - Switched runops core
1637 - Line numbers in warnings
1638 - Environment access
1639 - Many documentation cleanups
1640 - Conversion to CPS style!
1641 - BASIC debugger and many other wacky features
1642 - Filename, line number parsing support in IMCC
1647 - some more benchmarking
1649 - optimized math ops
1650 - intersegment branches
1651 - more complete use of PObjs
1652 - beefed up packfiles
1653 - sub/continuation/coroutine fixes
1654 - better NCI (native calling interface)
1655 - many imcc improvements
1660 - Native function calling interface (Dan)
1661 - Stack/list aggregate rewrite (Leo)
1662 - Scratchpads (Jonathan Sillito)
1663 - Preliminary DotGNU support -- type conversion ops (Gopal V + Leo)
1664 - Buffer/PMC unification (Leo)
1665 - stabs debugging support for JIT (Leo)
1666 - Jako overhaul (Gregor)
1667 - Optional Lea allocator (Leo)
1668 - Parrot sprintf (Brent)
1670 - PMC Properties (Dan)
1671 - Various JIT improvements (D. Grunblatt + Leo)
1672 - Extensible packfiles (Juergen)
1673 - Restructured PMC hierarchy (Leo)
1674 - Real Scheme (Juergen)
1678 - Several new grammars and a BNF -> perl5 and perl6 converter (Jeff)
1679 - Working Perl 6 REs (Sean)
1680 - Keyed Access (Tom Hughes et al)
1681 - New PMCs (Alberto et al)
1682 - Better Documentation
1684 - GC acceleration (Mike Lambert)
1685 - Lexical scope (Jonathan Sillito)
1691 - Perl 6 Grammar and Compiler (Sean)
1692 - Subroutines, coroutines, and continuations (Melvin)
1693 - GC improvements (Peter Gibbs, Mike Lambert)
1694 - Global variables (Melvin)
1695 - Intermediate bytecode compiler (Melvin, Angel)
1696 - And much, much more.
1700 - New assembler that support keyed types (Jeff)
1701 - New macro layer, allowing constants (Jeff)
1702 - New Configure.pl (Brent)
1703 - Changes to bytecode format, endian issues resolved (Melvin)
1704 - GC improvements and bug fixes (Peter Gibbs, Mike Lambert)
1705 - JIT compiler rewrite (Jason and Daniel)
1706 - Parrot assembler in Parrot (Daniel)
1707 - Parrot debugger (Daniel)
1708 - BASIC polished, Eliza.bas is new (Clint)
1709 - Cola compiler committed and working, with limited OOP (Melvin)
1710 - Keyed aggregates (Steve Fink)
1711 - Global ops (Melvin)
1712 - Compile-time speedup (Melvin)
1713 - Much documentation
1715 - Contributed tetris and lzw files
1716 - And many more, from the cast of thousands
1721 - Perl Scalar support in PMCs
1722 - Array and Hash types almost ready for prime-time
1723 - Internal support for keyed types
1724 - EMACS editing mode
1726 - New Language - BASIC
1727 - Regular expression compiler
1729 - Many, many bug fixes, enhancements, and speedups
1733 - Arena-based memory allocation system
1736 - "Predereferencing" mode - ./parrot -P - 22% speedup
1737 - JIT compiler - ./parrot -j
1738 - Parrot now builds warnings-clean on many platforms
1739 - Many more PMC methods implemented
1740 - Regular expression operations
1742 - Basic support for embedding Parrot in other programs
1744 - Added PDDs to distribution
1748 - Added an assembly optimizer
1749 - Improved string encoding/type support
1751 - Source reformatting
1752 - Major refactoring in packfile library
1753 - More Miniperl functionality
1754 - New PMC "clone" operator
1755 - Beginnings of key-based access to PMCs - arrays and hashes
1756 - MOPS comparisons in examples/mops/
1761 - Perl base scalar types implemented
1762 - A new minilanguage, Scheme
1763 - Much improved documentation
1764 - Register stacks pushing and popping
1765 - User stack pushing, popping and rotating
1766 - Jako updates: subroutines, more example programs, optimizations
1767 - test_prog renamed to 'parrot'
1769 - Added features to the assembler: @ for current location, and global
1771 - Build tweaks for VMS
1772 - Bytecode typing clean-ups
1773 - More platforms: OS X, HPUX, OS/2
1774 - The proliferation of runops cores reduced to one fast and one slow one
1775 - Opcode tracing, bounds checking, profiling
1776 - Vastly improved string support, with separation of encoding and
1779 - Multiple interpreter creation support - the beginnings of threading
1780 - Much better resource handling - the beginnings of GC
1784 - Parrot now works on all core platforms
1785 - A large number of tests, in the standard Perl testing framework
1786 - A new minilanguage (Jako) which compiles to Parrot assembly
1787 - Documentation about the assembly language (docs/parrot_assembly.pod)
1789 - Separate modules for assembly (Parrot::Assemble) and bytecode
1790 manipulation (Parrot::PackFile::*, packfile.c)
1791 - Assembler completely rewritten
1792 - Better operand-type guessing in the assembler
1793 - Assembler support for '\n' etc. in string constants
1794 - Code reformatted to match the coding standards
1795 - New ops for register-constant INTEGER comparisons
1796 - Macro expansion in the assembler
1797 - IVs and NVs renamed to more friendly INTVAL and NUMVAL
1798 - Hard-coded pack("") formats removed
1799 - Better handling of floating-point numbers in assembler
1800 - Moved floats to constant table (fixing many alignment issues)