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CHANGELOG.md

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                  small,
        `___`         embeddable
        (O,O)             and
        \)  )          purely
      ---"-"---     functional!
   O t u s L i s p

Based on Aki Helin's Owl-Lisp

CHANGELOG

2.6 changelog:

  • [!] large write/print upgrade
  • [!] large regex update
  • [!] Now Ol (but not Olvm) can handle pipes.
  • regex update with "global" grab
  • g// regex returns string if arg was a string
  • dlopen/dlsym moved to base library
  • new each function
  • = now can compare not only numbers, but strings, vectors, etc.,
  • lot of documentation added
  • runtime-error goes more universal
  • http/server mime-types support added, can handle links with "?"
  • regex library upgraded
  • port printing updated
  • fix for long port numbers bug
  • pvenv now run repl if no './main' provided
  • print and write now prints regexps in source form
  • 258 and 261 olvm "crash" renamed to proper "error"
  • gtk-3 oop added
  • write strings fixed (for "\")
  • print updated with #ff()
  • #ff(...) notation added
  • #u8(...) notation added
  • new function write-simple
  • win32 ol.exe made portable

Otus Lisp, Version 2.5

2.5 changelog:

  • FFI structures-by-value in parameters,
  • FFI structures writeback,
  • new infix-notation macro,
  • \ became a usual character, so can be used as part of symbol names,
  • GC speedup (growing strategy updated),
  • PVENV (PriVate ENVironment) or portable version added (as "tar" extensions, something like flatpak or appimage),
  • string-ref dramatically optimized,
  • inexact numbers printing updated,
  • decimal fractions (1.1, 2.0, etc.) in library names,
  • system renamed to execvp, new system provided,
  • vector-map twice speedup,
  • fixed issue with port blocking after Ol closed,
  • parameterize with current-xx-port upgraded,
  • new WebKitGTK library (webkit2gtk-4),
  • new (file glTF) library,
  • (OpenGL version-X-X) changed to (OpenGL X.X),
  • base64 decode fixed,
  • ffi sizeof reworked (now support structures, became native),
  • ffi speedup - type-vptr accept (pair bytevector . offset),
  • '~' as a "default" path in "--home=" command option,
  • removed 'xxd' from the build requirements,
  • repl is no more an actor, but just a coroutine,
  • (lib json) returns inexact number if number with decimal dot,
  • HAS_XXX -> HAVE_XXX build variables renames,
  • default ffi values (#f -> 0),
  • floating-point ffi storing refactored,
  • open-output-string enabled for macos and win32,
  • pipes is no more optional, because definitely multiplatform,
  • port->string and file->string new functions,
  • basic WebSocket support in http library,
  • fft-any for all strings sends as utf-8 char*,
  • win32 compat updates,
  • macos compat updates,
  • regression tests updated,
  • deprecated fft-size-t changed to actual fft-size_t,
  • glib/gtk update with gettext,
  • ffi bool fix,
  • seccomp and sandbox definitions updated,
  • "system" now supports #f instead of port (as "no port provided"),
  • json "stringify" added,
  • ,expand updated (better output),
  • M1 ffi updated (very much arguments support),
  • aarch64 ffi fix for more than 8 integer arguments,
  • internal change for 'crashed -> 'crash,
  • new public function (divide a b) = a/b,
  • list-copy made r7rs-compliant,
  • file-info accepts both port and filename,
  • ceiling/truncate/round updated (added inexact numbers, fixed bug),
  • sqrt extended to the complex argument,
  • sqlite inexact numbers support,
  • EGL 1.1-1.5 added,
  • not getting stuck when trying to include invalid library (owl backport),
  • bugs and issues fixes,
  • more samples, more tests, more docs.

Otus Lisp, Version 2.4 RC1

2.4 changelog:

  • define-macro,
  • tbd.

2.3 changelog:

  • Ol got it's own twitter account
  • vm opcodes 3,4,6,7 (OCLOS, CLOS1) is deprecated, will be removed soon
  • new opcode 48 (universal CLOS) is introduced (will be changed to 3 after deprecations remove)
  • new 'vm:set!' vm command, should speedup internal bytevector manipulations
  • integrated disassembler introduced (use ",dis" repl command)
    • try ',dis +' to view the '+' function disassembly
  • ',save' repl feature returned; still experimental due to ffi
    • you can ',save' a current session in the binary file and return to saved state by starting new Ol session with this file
  • Unicode support updated to version 14.0.0
  • big numbers vm loader fix
  • windows setup update
  • GC tune (reduced full gc count)
  • more samples and tests
    • more gtk
    • 3d game shaders for beginners
    • convey's life
    • etc.
  • windows command line support multiple path in "--home=...;..."
  • (define-values) can be used inside lambdas, begin, etc.
  • (otus async) async/await/coroutine/sleep functions: new old otus feature
    • 'interact' is deprecated, use (await (mail ...)) instead
  • more r7rs compatibility: (features) got 'posix' symbol
  • i/o speedup (removed sleeper thread)
  • utf8-decode became a lazy, file reading speedup
  • json file reading: exponent issue fixed
  • 'string->number' became r7rs compliant
  • 'raise' and 'raise-continuable' introduced
  • etc.

Otus Lisp, Version 2.2.1

2.2.1 changelog:

  • the build command line changed. See the "BUILD" section.
  • fasl format updated:
    • fasl is fully 32/64 bit independent (32-bit machines can execute 64-bit fasl and vice versa),
    • numbers encoded as numbers, not as objects,
    • big endian numbers order changed to little-endian
    • introduced a new object type 63 - "constructor", constructors are automatically executed by olvm during fasl loading process
      • if no constructors are found, the vanilla behavior will be used
      • note: for example, the (owl math) library contains a constructor named math-constructor that recalculates a native binary NaN value which is different under different FPU architectures.
  • restored and adapted REPL command ",save". Can be used to save the current REPL state to be continued after a pause on the same or different PC (even with a different architecture, including bit count and/or byte order).