history.doc

Graphically Assisted Programming Interface

        HISTORY.DOC

                  REVISION HISTORY OF THE SXT SOFTWARE EXPLORATION TOOLS

                  * CXT - C Exploration Tools
                  * DXT - DBASE Exploration Tools
                  * FXT - FORTRAN Exploration Tools
                  * LXT - LISP Exploration Tools

                  (SXT command-line and SXTWIN Windows versions)

        9/94      CXTWIN 1.04,  DXTWIN 1.04,  FXTWIN 1.04,  LXTWIN  1.04,
                  first  official  shareware  releases of the Windows 3.1
                  versions (previous ones were test-versions),  update of
                  CXT 2.30, DXT 1.30, FXT 1.30, LXT 1.30

        5/94 - 8/94    CXT  2.21,  DXT 1.21,  FXT 1.21 and FXT 1.22,  LXT
                  1.21 (unreleased working versions),  error in  database
                  search  fixed,  changed to case insensitive names (DXT,
                  FXT); error with combination of options -L -time fixed,
                  error with overwrites of command and  file  list  files
                  with option -G fixed (CXT,  DXT,  FXT, LXT); error with
                  relative -I include paths fixed (CXT, FXT);  new option
                  -E[..] (DXT); FXT language analysis part redesigned and
                  optimised,   functionality   extended  (options  -CALL,
                  -COMMON,  -$);  CXT language analysis  part  optimised,
                  warning  if  C++  style comment '//' recognised without
                  option -C++ or -// set, better CST typedef recognition,
                  preprocessor  defines  for  MS  Visual  C++  1.5;   LXT
                  functionality extended (option -defmacro)

        3/94      DXT 1.20,  FXT 1.20, LXT 1.20, first official shareware
                  releases (previous ones were test-versions),  update of
                  CXT (version 2.20)

        2/94      CXT 2.13 (unreleased working version), minor changes in
                  CST  byte  offset  file  generation,   fixed  error  in
                  database reading, Microsoft VC++ 1.0 for Windows NT and
                  Borland  C++  1.0  for  OS/2   preprocessing   support,
                  internal  database  structure  changed,  detection  and
                  handling of multiple file  inclusions,  new  additional
                  options   (C++   comments  in  C  code,   __TIMESTAMP__
                  preprocessor   macro   supported,   extended   national
                  character sets, Rational Rose Petal file generation for
                  callgraph  visualisation,  command  line dump,  runtime
                  informations),   BRIEF  and  MicroEMACS  macros   files
                  changed,  new  option  -o for CFTN and CSTN to redirect
                  output to file, return values for CFTN and CSTN changed

        7/93      CFT & CST 2.12,  additional  features,  internal  error
                  handling redesigned, C++ class hierarchy graph listing,
                  better  C++ operator handling,  preprocessor macro size
                  increased, new BRIEF macro help screen, BRIEF macro key
                  assignment changed,  new MicroEMACS  macros  added  and
                  existing  ones  redesigned,   CST  byte  offset  option
                  extended and byte offset file redesigned (fewer  macros


                                      - 1 -


                  -> faster compilation and smaller executable),  Borland
                  C++   3.1   preprocessing   support,   additional   C++
                  preprocessor defines for Borland and GNU supported, new
                  transfer  batch  files  for  calling  CFT  and CST from
                  inside the Borland  IDE  and  displaying  the  results,
                  system  requirements  for  real  mode  versions are now
                  Intel 80286 or higher (8088,  8086  and  80186  are  no
                  longer supported)

        11/92     CFT & CST 2.11,  first official shareware release,  new
                  options (e.g.  generating formatted text files,  screen
                  output    redirection),    additional    source    code
                  informations,   Microsoft   C/C++   7.0   preprocessing
                  support, speed improvements, database access macros for
                  MicroEMACS 3.11 editor (DOS and WINDOWS versions)

        9/92      CFT  &  CST  2.10,  extensive  speed  improvements  for
                  database   reading,   additional   informations   about
                  multiple  definitions  and  C++  function  overloading,
                  minor preprocessor bug fixing,  new  BRIEF  macros  for
                  project  source  file  menu,  cross reference menus and
                  file contents menus

        1/92 - 4/92    CFT & CST versions 2.07 - 2.09, optimized database
                  generation,  reading of database files by  CFT  &  CST,
                  incremental  processing,  BRIEF  and  QEDIT  macros for
                  invoking CFTN and CSTN from inside these editors,  data
                  structure element byte offset calculation for CST,  new
                  output features, improved execution speed

        1/92      CFT & CST version 2.06,  first  release  with  database
                  generation,  dBASE compatible database files,  database
                  utilities CFTN and CSTN for information recalling

        12/91     CFT & CST version 2.05,  first protected mode  versions
                  CFT386 and CST386, bug fixing, additional features, C++
                  processing

        10/91 - 12/91  CFT & CST versions 2.01 - 2.04,  minor bug fixing,
                  additional features

        10/91     CFT & CST  version  2.00,  complete  program  redesign,
                  extensive   program  optimizations,   preprocessor  bug
                  fixing,  new additional  output  features,  statistical
                  informations,  additional preprocessor warnings, adding
                  support for different compiler types, trigraph handling

        9/89 - 10/91   CFT & CST versions 1.2 -  1.6  and  1.70  -  1.98,
                  version  1.78  was first release with integrated ANSI C
                  preprocessor,   some  minor  and  major   bug   fixing,
                  additional  features,  include  file processing,  macro
                  #define  handling,  CFT  assembler  source  processing,
                  command   and  list  file  handling,   error  recovery,
                  execution speed optimization

        9/89      CFT & CST version 1.1, major bug fixing


                                      - 2 -



        4/89      CFT & CST version 1.0, first release

        8/88      CFT & CST version 0.9, first inofficial test release

        5/88      start of CST (C Structure Tree Generator)  development,
                  based on the first successful CFT results

        3/88      start of CFT (C Function Tree Generator) development


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