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Based on patch provided in PR 36157, update to 0.4.10.
New in 0.4.11
- Compilers:
+ IMCC: added documentation for C-based Parrot Calling Conventions,
refactorings and bug fixes
+ PGE: new perl6regex front end reflecting recent S05 syntax changes
+ PIRC: new prototype PIR parser
- Languages:
+ Updated Lua, PHP ("Plumhead"), BASIC, pynie
+ Lua implements environment
- Design:
+ PDD15 "Objects" - details added, and draft approved
- Documentation:
+ Added guidelines for PMC documentation
- Implementation:
+ PDD15 implementation is largely complete, including role-based composition,
introspection, and C3 method resolution order
+ new Exporter PMC for importing globals between namespaces
+ new string utilities for radix conversion
+ PCCINVOKE and Parrot_PCCINVOKE allow calling using the full Parrot Calling
Conventions from PMCs and C code respectively
- Build:
+ Refactorings and improvements in test coverage for 'Configure.pl'
- Misc:
+ many bugfixes, enhancements, and code cleanup
+ added example subversion config file
+ extended support for gcc, icc, and other compilers
+ extended support for Solaris and other platforms
New in 0.4.10
- Compilers:
+ IMCC: Parrot calling conventions now available between two C PMCs (PMINVOKE)
+ PGE: Match object improvements
+ smop: added Attribute and Class PMCs
+ HLLCompiler: improvements for interactive mode
- PAST:
+ extended binding to a list of variables
- Languages:
+ Updated Lua, PHP ("Plumhead"), Tcl ("ParTcl"), Ruby ("Cardinal")
+ Update PIR, regex, Zcode
+ New language: Pynie - a Python compiler for Parrot
+ Lua implements require and many other ops, improved regex support
+ Remove parakeet
- Design:
+ PDD01 "Overview" - updated architecture and platform information
+ PDD15 "Objects" - details on roles, objects, and classes added
+ PDD22 "I/O" - added async ops and Status PMC details
- Documentation:
+ Added guides for Metacommitter, Relase Manager, and Cage Cleaner roles
- Implementation:
+ Object, Class, Role, and Attribute PMC implementation has begun
+ Perl 5 module "Parrot::Embed" now compiles and links on all platforms
- Build:
+ Major improvements in test coverage for 'ops2c.pl'
- Misc:
+ New utility: Crow, a template processor
+ New library module: Config/JSON for reading/writing JSON files
+ many bugfixes, enhancements, and coding standard updates, code cleanup
New in 0.4.9
- Compilers:
+ IMCC: Parrot calling conventions now available in C PMCs, allowing
named, optional, slurpy, and flat parameter passing
+ PGE: extended support for Perl 5 Regexes
+ smop: prototype object model implementation
+ hllcompiler: refactored to run a configurable set of compilation stages
- PAST:
+ redesigned assign/binding to support Perl 6 binding semantics
- Languages:
+ Updated Lua, PHP ("Plumhead"), Tcl ("ParTcl"), perl6, perl5
+ New language: PIR - a PGE-based implementation of Parrot PIR
+ perl6 now supports binding (':=') and 'join'
+ lua generates tail calls, and supports its own regex flavor (PGE-based)
+ Pheme still works, huzzah!
- Design:
+ PDD21 "Objects" - rewritten
+ PDD22 "I/O" - updated and 'TODO' tests added
- Documentation:
+ Interface stability classification standards approved
+ Roles and Responsibilities documented approved
+ Official 'drafts' directory created (was 'clip')
- Implementation:
+ More NameSpace and OS PMC methods implemented
+ Parrot executable fullname and basename now available in PIR/PASM code
+ new 'chomp' library function
- Build:
+ Major improvements in test coverage for 'ops2pm.pl'
- Misc:
+ many bugfixes, enhancements, and coding standard updates
+ extended support for Sun Workshop Compilers
+ Parrot now builds on PocketPC platform
New in 0.4.8
- Compilers:
+ HLLCompiler: added tracing options, modified api
+ PGE & TGE bugfixes and updates
- PAST:
+ added global and lexical variable support
+ added looping constructs, arrays, hashes
- Languages:
+ Updated PHP ("Plumhead"), Tcl ("ParTcl"),
forth, perl6, lua, abc, APL, WMLScript, punie
+ ParTcl is passing > 24.9% of Tcl cvs-latest test suite
+ perl6 now supports hashes, arrays, method calls, arity-based
multisubs, quoted terms, ranges (non-lazy), try blocks, $!
- Design:
+ PDD01 "Overview" - updated
+ PDD22 "I/O" - rewritten and approved
- Test Suite:
+ Converted Perl 5 Regex tests to PIR, with notable speedup
+ Added tests for opcodes, compilers, languages, and coding standards
- Build:
+ Major improvements in test coverage for 'pmc2c.pl'
- Misc:
+ many bugfixes, enhancements, and coding standard updates
+ extended support for non-core platforms including Cygwin, Tru64
New in 0.4.7
- New languages: PHP ("Plumhead"), Forth
- Updated languages: Ruby ("Cardinal"), Tcl, Lua
- Remove old Python implementation from Parrot repository; the new Python
language code is hosted at http://pirate.tangentcode.com
- Compilers:
+ PGE updated with more expressions, latest changes to S05
+ new Perl6 grammar compiler
- Integration:
+ Perl 5 module "Parrot::Embed" allows easy embedding of a Parrot
runtime into a Perl 5 program
- PIR:
+ new :init pragma for subs that must run before the main function
+ new :vtable pragma to identify subs that override PMC vtable methods,
eliminating the need for special subroutine names
+ PIR parser/compiler does not stop on first syntax error
+ Vanilla register allocator ("register alligator") greatly improves
performance compiling large functions
+ Eliminated limit on number of PIR macros
- PMCs:
+ hash lookups return null instead of None for missing keys
- Design:
+ PDD13 "Bytecode files: format and manipulation" - new
+ PDD10 "Embedding" - new
+ PDD25 "Concurrency" - rewritten
+ PDD15 "Objects" - new section on redesign requirements
+ PDD07 "Coding standards" - significant updates and automated tests
- Test Suite:
+ Many many more new tests
- Build Process:
+ autoconf compatible install options
- Misc:
+ Namespace refinements
+ Coroutine improvements
+ An impressive swarm of other bugfixes and enhancements
New in 0.4.6
- New languages: Ruby ("Cardinal"), Javascript ("ecmascript")
- Updated languages: Tcl, dotnet, bc, Pheme, Punie, WMLScript
- Updated compilers: PGE, TGE
- IMCC updates:
+ ".loadlib" directive expresses dependencies
+ ".namespace" with no parameter goes to HLL root
+ lexer is reentrant (reentrant grammar in progress)
- Namespace improvements:
+ new suite of opcodes to access namespaces and globals
("find_global" and "store_global" will be phased out)
+ namespace '' no longer means HLL root
- Design document updates:
namespaces (pdd23), basic types (pdd17), embedding
- Updated tool requirements for developers:
flex 2.5.33, bison 2.1, perl 5.6.1
- New to-do list for people new to Parrot:
cage/todo.pod
- The usual plethora of bugfixes and enhancements
New in 0.4.5
- unicode subroutine names
- hierarchical class names finished including MMD support
- new dotnet CLI to PIR translator
- improved TGE code and compiler
- APL: vector handling
- new STM branch in the svn repository
- the usual bugfixes and enhancements
New in 0.4.4
- hierarchical class names
- APL compiler
- under development
- understands simple vector ops, strings
- demonstrates use of Unicode in Parrot
- pgc, a compiler for rules and operator precedence parsers
- Major redesign and improvements for PGE
- compilers understand named parameter options
- :ratchet option implemented to support non-backtracking quantifiers
- TGE (tree grammar engine) for tree transformations
- tgc, tree grammar compiler
- perl6 compiler
- support for many operators, lexical scalars, regex matches
- new pheme (Parrot scheme) compiler
New in 0.4.3
- namespaces partially implemented
- rulec, Perl6 rule compiler
- PGE improvements including return values for closure
- parts of a Perl6 parser based on PGE
- complex trigonometric methods
- type of Sub PMC is now overridable by HLL
- NetBSD support
- many bug fixes and improvements
New in 0.4.2
- improved PPC and x86 JIT support including JIT compilation
of very simple PASM/PIR subroutines
- preliminary libreadline support
- better trace and debug features
- pkgconfig support
- META.yml to support proper indexing on CPAN
- new opcode: hcf (in "my_ops" in dynamic op library)
- new File pmc for file specific ops (is_dir, is_file, copy, rename...)
- named arguments and parameters (both :named("") and => syntaxes)
- ongoing config improvements
- tons of bug fixes and other small improvements - too much to list all
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New in 0.4.0
- New lexical handling and closure support including better
introspection for caller and outer
- PGE (Parrot Grammar Engine) provides now compilers for P6Rule,
P6Grammar, P5Regexp, and Glob
- ca. 1000 new tests including 800 for Perl5 regexp
- Improved unicode charset and encoding support
- Calling conventions for exception handlers
- Punie (Perl 1) uses TGE (Tree Grammar Engine) to convert from
PGE match objects to AST via two steps of tree transformation grammars
- New languages: amber and lua
- The usual code fixes, cleanup, and improvements, including an overhaul
of the config and test framework
New in 0.3.1
- Variable sized register frames are finished. Each subroutine gets
the amount of registers that it actually needs. No more spilling.
- Vastly improved PGE (Parrot Grammar Engine) including shift-reduce,
precedence-based expression parser and support for matching of
bracketed text delimited by e.g. ()[]{}'"
- uniccode character classification (is_upper ...)
- support for heredoc syntax in assembler
- improved examples, basic JSON support
- debian packaging support
- the usual improvements, bug fixes, and cleanup
- test count exceeds 3000
New in 0.3.0
- New calling conventions implemented: see PDD03 for details
- Merge multiple Parrot bytecode (PBC) files into a singe PBC file
- 'make smoke' target going beta
- bc now supports if statements, comparison ops, prefix inc/dec
- ParTcl adds [lassign], [switch] (partially); [expr] converted to a compiler
- Many exciting doc updates, tests, and bugfixes, too numerous to mention
New in 0.2.3
- Dynamic classes now compile on Windows (including ParTcl)
- New Super PMC allows easy access to superclass methods
- Implement C3 method resolution order (just like Perl6 & Python)
- ParTcl has new PIR-based parser and passes more Tcl tests
- added character class support in Globs to PGE
- added language implementations of unlambda, Lazy-k
- many bugfixes, including GC and memory leaks
- the new calling scheme continued to evolve in branches/leo-ctx5
New in 0.2.2
- new call scheme: docs/pdds/pdd03_calling_conventions.pod
- partial implementation of the new calling conventions
PASM only, don't mix PIR foo() call syntax with the new scheme
- grammar and rule support in PGE - the Parrot Grammar Engine
- TCL passes >10% of the tcl test suite
- the usual bugfixes and improvements
New in 0.2.1
- better HLL support (short names for object attributes, and
.HLL and n_operators pragmas)
- string encoding and charset can now be set independently
- experimental mmap IO layer for slurping files
- distinct debug and trace flag settings
- glob support in PGE
- new character classification opcodes and interfaces
New in 0.2.0
- parrot repository is now under subversion
- MMD (Multi Method Dispatch) enhanced
- new unary and infix opcodes that return new result PMCs
- dynamic scalar PMCs inherit now almost all from Parrot core PMCs
- more unification of PMCs and ParrotObjects
- tailcalls for functions and methods
- PGE (Parrot Grammar Engine) reworked
- Pugs creates Parrot code and Pugs is a registered compiler now
- new languages/lisp
- the usual bug fixes and improvements
New in 0.1.2
- New string handling code. Strings now have charset and encoding
- Parts of a generation garbage collector
- Better Python code, separated in dynclasses
- Parrot Grammar Engine
- Improved test coverage and documentation
New in 0.1.1
Parrot 0.1.1 is an intermediate release with tons of updates and fixes.
- Python support: Parrot runs 4/7 of the pie-thon test suite
- Better OS support: more platforms, compiler, OS functions
- Improved PIR syntax for method calls and <op>= assignment
- Dynamic loading reworked including a "make install" target
- MMD - multi method dispatch for binary vtable methods
- Library improvement and cleanup
- BigInt, Complex, *Array, Slice, Enumerate, None PMC classes
- IA64 and hppa JIT support
- Tons of fixes, improvements, new tests, and documentation updates.
A lot is unfinished and keeps changing. Nethertheless Parrot is stable
and usable at the surface, while internals are moving.
New in 0.1.0
- "Ladies and gentlemen, I give you... objects!"
- Huge documentation overhaul
- More supported platforms, s. PLATFORMS
- Basic thread support for pthread based architectures
- Basic event handling for timers and signals including:
- PASM callbacks for NCI (native C) functions.
- Improved platform configuration
- COW stacks now working, stacks code redone
- Structure handling vastly improved
- Random PMC and rand primitives
- Better subroutine call syntax in PIR
- Make PIR subroutines compliant with pdd03
- Improved profiling (DOD, GC timings)
- Hash code improvements, incl. random key order support
- Experimental freeze/thaw code for some PMC types
- IO improvements for buffered layer and Win32
- String iterators
- String bitwise vtables
- Many new opcodes
- Support for JIT, where malloced memory isn't executable
- Priority DOD scheme for objects that need timely destruction
- Improved byte code loading (e.g. onLoad functions)
- Language updates: forth, Perl6/P6C, m4
- Libraries: Getopt_Long, SDL, Dumper, Sort
- new JAPH examples
- Unified imcc and parrot test handling
- Many new tests (make test reports 1386 tests)
- Numerous bug fixes
New in 0.0.13
- The Big Move: Parrot source and build files rearranged into sub dirs
- Build imcc as parrot
- Objects more finished
- Delegate vtable methods to byte code
- Binary multi-method dispatching
- Isa and does methods for PMCs
- Call byte code from C
- Start of extension interface
- Experimental struct handling
- Catch access to NULL PMCs
- Experimental network socket interface code and opcodes
- IO fixes and improvements
- Dynamic opcode libraries
- Fix-assigned opcode numbers
- Argument flattening for function calls
- More native call interface (NCI) signatures
- Ncurses, postgres, and pcre interface libraries
- Forth language is vastly improved
- BSD and Win32 build improvements
- Many new tests and fixes
New in 0.0.12
- This number intentionally left blank
New in 0.0.11
- Executable output
- Dynamic PMC registration
- Trial exception system
- Beginnings of object system
- Iterators
- Ordered hashes
- I/O system improvements
- References
- Documentation for basic PMC types
- IMCC support of Parrot Calling Conventions
- Runtime loading of chartypes (and other string improvements)
- Conditional breakpoints
- Dramatically accelerated sweeps for finalizable objects
- Small PMCs (PMCs split into core and extensions)
- Loadable bytecode packfiles
- Constant PMCs
- Sub variants that deal with the stack correctly
- Switched runops core
- Line numbers in warnings
- Environment access
- Many documentation cleanups
- Conversion to CPS style!
- BASIC debugger and many other wacky features
- Filename, line number parsing support in IMCC
New in 0.0.10
- IMCC integration
- eval
- some more benchmarking
- cgp core
- optimized math ops
- intersegment branches
- more complete use of PObjs
- beefed up packfiles
- sub/continuation/coroutine fixes
- better NCI (native calling interface)
- many imcc improvements
- jako improvements
New in 0.0.9
- Native function calling interface (Dan)
- Stack/list aggregate rewrite (Leo)
- Scratchpads (Jonathan Sillito)
- Preliminary DotGNU support -- type conversion ops (Gopal V + Leo)
- Buffer/PMC unification (Leo)
- stabs debugging support for JIT (Leo)
- Jako overhaul (Gregor)
- Optional Lea allocator (Leo)
- Parrot sprintf (Brent)
- Miniparrot (Josh)
- PMC Properties (Dan)
- Various JIT improvements (D. Grunblatt + Leo)
- Extensible packfiles (Juergen)
- Restructured PMC hierarchy (Leo)
- Real Scheme (Juergen)
New in 0.0.8
- Several new grammars and a BNF -> perl5 and perl6 converter (Jeff)
- Working Perl6 REs (Sean)
- Keyed Access (Tom Hughes et al)
- New PMCs (Alberto et al)
- Better Documentation
- New COW semantics
- GC acceleration (Mike Lambert)
- Lexical scope (Jonathan Sillito)
- IMCC patches
- JIT for the ARM
New in 0.0.7
- Perl 6 Grammar and Compiler (Sean)
- Subroutines, coroutines, and continuations (Melvin)
- GC improvements (Peter Gibbs, Mike Lambert)
- Global variables (Melvin)
- Intermediate bytecode compiler (Melvin, Angel)
- And much, much more.
New in 0.0.6
- New assembler that support keyed types (Jeff)
- New macro layer, allowing constants (Jeff)
- New Configure.pl (Brent)
- Changes to bytecode format, endian issues resolved (Melvin)
- GC improvements and bug fixes (Peter Gibbs, Mike Lambert)
- JIT compiler rewrite (Jason and Daniel)
- Parrot assembler in Parrot (Daniel)
- Parrot debugger (Daniel)
- BASIC polished, Eliza.bas is new (Clint)
- Cola compiler committed and working, with limited OOP (Melvin)
- Keyed aggregates (Steve Fink)
- Global ops (Melvin)
- Compile-time speedup (Melvin)
- Much documentation
- New PDDs (Dan)
- Contributed tetris and lzw files
- And many more, from the cast of thousands
New in 0.0.5
- Full GC
- Perl Scalar support in PMCs
- Array and Hash types almost ready for prime-time
- Internal support for keyed types
- EMACS editing mode
- New PDDs
- New Language - BASIC
- Regular expression compiler
- More tests
- Many, many bug fixes, enhancements, and speedups
New in 0.0.4
- Arena-based memory allocation system
- Copying GC
- New IO subsystem
- "Predereferencing" mode - ./parrot -P - 22% speedup
- JIT compiler - ./parrot -j
- Parrot now builds warnings-clean on many platforms
- Many more PMC methods implemented
- Regular expression operations
- Added a FAQ
- Basic support for embedding Parrot in other programs
- Warnings support
- Added PDDs to distribution
- Bignum library
- PMC inheritance
- Added an assembly optimizer
- Improved string encoding/type support
- Many more tests
- Source reformatting
- Major refactoring in packfile library
- More Miniperl functionality
- New PMC "clone" operator
- Beginnings of key-based access to PMCs - arrays and hashes
- MOPS comparisons in examples/mops/
New in 0.0.3
- PMCs!
- Perl base scalar types implemented
- A new minilanguage, Scheme
- Much improved documentation
- Register stacks pushing and popping
- User stack pushing, popping and rotating
- Jako updates: subroutines, more example programs, optimizations
- test_prog renamed to 'parrot'
- Added features to the assembler: @ for current location, and global
labels
- Build tweaks for VMS
- Bytecode typing clean-ups
- More platforms: OS X, HPUX, OS/2
- The proliferation of runops cores reduced to one fast and one slow one
- Opcode tracing, bounds checking, profiling
- Vastly improved string support, with separation of encoding and
charset
- Lots more tests
- Multiple interpreter creation support - the beginnings of threading
- Much better resource handling - the beginnings of GC
New in 0.0.2
- Parrot now works on all core platforms
- A large number of tests, in the standard Perl testing framework
- A new minilanguage (Jako) which compiles to Parrot assembly
- Documentation about the assembly language (docs/parrot_assembly.pod)
- Separate modules for assembly (Parrot::Assemble) and bytecode
manipulation (Parrot::PackFile::*, packfile.c)
- Assembler completely rewritten
- Better operand-type guessing in the assembler
- Assembler support for '\n' etc. in string constants
- Code reformatted to match the coding standards
- New ops for register-constant INTEGER comparisons
- Macro expansion in the assembler
- IVs and NVs renamed to more friendly INTVAL and NUMVAL
- Hard-coded pack("") formats removed
- Better handling of floating-point numbers in assembler
- Moved floats to constant table (fixing many alignment issues)
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