Diff for /gforth/NEWS between versions 1.21 and 1.31

version 1.21, 2006/12/31 13:39:10 version 1.31, 2008/11/02 17:13:01
Line 1 Line 1
   
   
 User-visible changes between 0.6.2 and 0.6.9 (up to 2006-05-07):  User-visible changes between 0.6.2 and 0.6.9 (up to 2008-07-16):
   
   Requirements:
     At run-time requires libtool and gcc (for the libcc C interface) and
                          gdb (for the disassembler (SEE)) on some platforms.
 Installation:  Installation:
   support for DESTDIR, POST_INSTALL, INSTALL_SCRIPT    support for DESTDIR, POST_INSTALL, INSTALL_SCRIPT
   report performance and functionality problems at end of "make"      automatic performance tuning on building (--enable-force-reg unnecessary)
     report performance and functionality problems at end of "make"
     autogen.sh now exists
   License:
     Changed to GPLv3
 Bug fixes  Bug fixes
   Among others: now works with address-space randomization.    Now works with address-space randomization.
   The single-step debugger works again in some engines.    The single-step debugger works again in some engines.
     Many others.
 Ports:  Ports:
   AMD64, ARM, IA-64 (Itanium): better performance    AMD64, ARM, IA-64 (Itanium): better performance
   Gforth EC: R8C port    PPC, PPC64: disassembler and assembler
     Gforth EC: R8C, 4stack, misc, 8086 work
     MacOS X: better support
   Invocation:
     New flags --ignore-async-signals, --vm-commit (default overcommit)
               --print-sequences
 Forth 200x:  Forth 200x:
   extension queries (produce true for all implemented extensions)    X:extension-query: produce true for all implemented extensions
   REQUIRED etc. (not new)    X:required REQUIRED etc. (not new)
   [DEFINED] and [UNDEFINED]    X:defined: [DEFINED] and [UNDEFINED]
   PARSE-NAME (new name)    X:parse-name: PARSE-NAME (new name)
   deferred words (new: DEFER@ DEFER! ACTION-OF)    X:deferred: deferred words (new: DEFER@ DEFER! ACTION-OF)
 Unicode support (incomplete):    X:structures: +FIELD FIELD: FFIELD: CFIELD: etc.
   added xchars words for dealing with variable-width multi-byte characters    X:ekeys: new: EKEY>FKEY K-SHIFT-MASK K-CTRL-MASK K-ALT-MASK K-F1...K-F12
   provide 8bit (ISO Latin 1) and UTF-8 support for xchars    X:fp-stack (not new)
     X:number-prefixes (partially new, see below)
 Number prefixes:  Number prefixes:
   0x is a hex prefix: 0xff and 0XfF now produces (decimal) 255    0x is a hex prefix: 0xff and 0XfF now produces (decimal) 255
   # is a decimal prefix: #10 now produces (decimal) 10    # is a decimal prefix: #10 now produces (decimal) 10
     Signs after the number prefix are now accepted, e.g, #-50.
   ' now only handles a single (x)char: 'ab is no longer accepted,     ' now only handles a single (x)char: 'ab is no longer accepted, 
                                        'a' now produces (decimal) 97                                         'a' now produces (decimal) 97
 The disassembler (DISCODE, SEE <primitive>) can now use gdb to disassemble code  Unicode support (currently supports only uniform encoding):
 Uninitialized defered words now give a warning when executed    added xchars words for dealing with variable-width multi-byte characters
     provide 8bit (ISO Latin 1) and UTF-8 support for xchars
 New words:  New words:
   16-bit and 32-bit memory acces: UW@ UL@ SW@ SK@ W! L! W@ L@ /W /L    \C C-FUNCTION C-LIBRARY END-C-LIBRARY C-LIBRARY-NAME (libcc C interface)
   FTRUNC FMOD (undocumented)    LIB-ERROR (complements OPEN-LIB)
     OUTFILE-EXECUTE INFILE-EXECUTE BASE-EXECUTE (limited change of global state)
     16-bit and 32-bit memory acces: UW@ UL@ SW@ SL@ W! L! W@ L@ /W /L
   NEXT-ARG SHIFT-ARGS (OS command-line argument processing)    NEXT-ARG SHIFT-ARGS (OS command-line argument processing)
     NOTHROW (for backtrace control)
     FTRUNC FMOD (undocumented)
     SEE-CODE SEE-CODE-RANGE (show generated dynamic native code)
   Improvements/changes of existing words:
     S\", .\" now support \l, \m, \z, and limits hex and octal character specs.
     OPEN-FILE with W/O no longer creates or truncates files (no compat. file)
     OPEN-LIB now understands ~ at the start, like OPEN-FILE.
     TRY...ENDTRY changed significantly, compatibility files available (see docs).
     The disassembler (DISCODE) can now use gdb to disassemble code
     Uninitialized defered words now give a warning when executed
     Division is floored (disable with "configure --enable-force-cdiv")
     Gforth (not gforth-fast) reports division by zero and overflow on division
       on all platforms.
 Newly documented words:  Newly documented words:
   S>NUMBER? S>UNUMBER?    S>NUMBER? S>UNUMBER?
   EKEY keypress names: K-LEFT K-RIGHT K-UP K-DOWN K-HOME K-END K-PRIOR    EKEY keypress names: K-LEFT  K-RIGHT K-UP K-DOWN K-HOME K-END K-PRIOR
     K-NEXT K-INSERT K-DELETE K1 K2 K3 K4 K5 K6 K7 K8 K9 K10 K11 K12      K-NEXT K-INSERT K-DELETE
     S-K1 S-K2 S-K3 S-K4 S-K5 S-K6 S-K7 S-K8 S-K9 S-K10 S-K11 S-K12  
   CLEARSTACKS    CLEARSTACKS
     FORM
 Environment variable GFORTHSYSTEMPREFIX (used by word SYSTEM and friends)  Environment variable GFORTHSYSTEMPREFIX (used by word SYSTEM and friends)
 C interface:  C interface:
   exported symbols now start with "gforth_" (for referencing them from C code)    exported symbols now start with "gforth_" (for referencing them from C code)
   support for use of libffi (supplied with gcc) and    libcc C function call interface (requires libtool and gcc at run-time)
   a C-compiler-based approach (requires C compiler at run-time) (incomplete).      alternative: undocumented libffi-based interface
 Libraries:  Libraries:
   depth-changes.fs: report stack depth changes during interpretation    depth-changes.fs: report stack depth changes during interpretation
     ans-report.fs now reports CfV extensions
   fsl-util.4th: FSL support files (undocumented)    fsl-util.4th: FSL support files (undocumented)
   regexp.fs for regular expressions (undocumented)    regexp.fs for regular expressions (undocumented)
   complex.fs for complex numbers (undocumented)    complex.fs for complex numbers (undocumented)
Line 52  Libraries: Line 84  Libraries:
   httpd.fs, a web server (undocumented)    httpd.fs, a web server (undocumented)
   status.fs, show interpreter status in separate xterm (undocumented)    status.fs, show interpreter status in separate xterm (undocumented)
   profile.fs for profiling (undocumented, incomplete)    profile.fs for profiling (undocumented, incomplete)
     endtry-iferror.fs, recover-endtry.fs to ease the TRY change transition
     test/tester.fs: Now works with FP numbers (undocumented)
     test/ttester.fs: Version of tester.fs with improved interface (T{...}T).
  compat library:   compat library:
   compat/execute-parsing.fs    compat/execute-parsing.fs
 Speed improvements:  Speed improvements:
     automatic performance tuning on building
   static stack caching (good speedup on PPC)    static stack caching (good speedup on PPC)
   fast mixed-precision division words on i386 and AMD64    mixed-precision division is now faster
   support for int128 types on AMD64    support for int128 types on AMD64
   workarounds for gcc performance bugs (in particular, PR 15242)    workarounds for gcc performance bugs (in particular, PR 15242)
     branch target alignment (good speedup on Alpha).
   
   
 User-visible changes between 0.6.1 and 0.6.2:  User-visible changes between 0.6.1 and 0.6.2:
Line 300  $?)  added (SYSTEM) ( c_addr u -- wretva Line 337  $?)  added (SYSTEM) ( c_addr u -- wretva
 ' and ['] now give an error for compile-only words.  ' and ['] now give an error for compile-only words.
   
 -----  -----
 Copyright (C) 1995,1996,1997,1998,2000,2003,2006 Free Software Foundation, Inc.  Copyright (C) 1995,1996,1997,1998,2000,2003,2006,2007,2008 Free Software Foundation, Inc.
   
 This file is part of Gforth.  This file is part of Gforth.
   
 Gforth is free software; you can redistribute it and/or  Gforth is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License  modify it under the terms of the GNU General Public License
 as published by the Free Software Foundation; either version 2  as published by the Free Software Foundation, either version 3
 of the License, or (at your option) any later version.  of the License, or (at your option) any later version.
   
 This program is distributed in the hope that it will be useful,  This program is distributed in the hope that it will be useful,
Line 315  MERCHANTABILITY or FITNESS FOR A PARTICU Line 352  MERCHANTABILITY or FITNESS FOR A PARTICU
 GNU General Public License for more details.  GNU General Public License for more details.
   
 You should have received a copy of the GNU General Public License  You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software  along with this program. If not, see http://www.gnu.org/licenses/.
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.  
   
   
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Removed from v.1.21  
changed lines
  Added in v.1.31


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