Diff for /gforth/NEWS between versions 1.20 and 1.23

version 1.20, 2006/05/20 07:07:28 version 1.23, 2007/06/04 18:13:26
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 2007-06-01):
   
 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"      report performance and functionality problems at end of "make"  
 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: disassembler and assembler (32-bit)
     Gforth EC: R8C, Lego NXT (complete?)
   Invocation:
     New flags --ignore-async-signals, --vm-commit (default overcommit)
 Forth 200x:  Forth 200x:
   extension queries (produce true for all implemented extensions)    extension queries (produce true for all implemented extensions)
   REQUIRED etc. (not new)    REQUIRED etc. (not new)
   [DEFINED] and [UNDEFINED]    [DEFINED] and [UNDEFINED]
   PARSE-NAME (new name)    PARSE-NAME (new name)
   deferred words (new: DEFER@ DEFER! ACTION-OF)    deferred words (new: DEFER@ DEFER! ACTION-OF)
 Unicode support (incomplete):  Unicode support (incomplete, documentation probably not up-to-date):
   added xchars words for dealing with variable-width multi-byte characters    added xchars words for dealing with variable-width multi-byte characters
   provide 8bit (ISO Latin 1) and UTF-8 support for xchars    provide 8bit (ISO Latin 1) and UTF-8 support for xchars
 Number prefixes:  Number prefixes:
Line 25  Number prefixes: Line 29  Number prefixes:
   # is a decimal prefix: #10 now produces (decimal) 10    # is a decimal prefix: #10 now produces (decimal) 10
   ' 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  
 Uninitialized defered words now give a warning when executed  
 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 interface)
   FTRUNC FMOD (undocumented)    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)
   Improvements/changes of existing words:
     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 K1 K2 K3 K4 K5 K6 K7 K8 K9 K10 K11 K12
     S-K1 S-K2 S-K3 S-K4 S-K5 S-K6 S-K7 S-K8 S-K9 S-K10 S-K11 S-K12      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)
Line 44  C interface: Line 57  C interface:
   a C-compiler-based approach (requires C compiler at run-time) (incomplete).    a C-compiler-based approach (requires C compiler at run-time) (incomplete).
 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 66  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
  compat library:   compat library:
   compat/execute-parsing.fs    compat/execute-parsing.fs
 Speed improvements:  Speed improvements:
   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)
   
Line 300  $?)  added (SYSTEM) ( c_addr u -- wretva Line 315  $?)  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 Free Software Foundation, Inc.  Copyright (C) 1995,1996,1997,1998,2000,2003,2006 Free Software Foundation, Inc.
   
 This file is part of Gforth.  This file is part of Gforth.
   

Removed from v.1.20  
changed lines
  Added in v.1.23


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