1: Gforth is a fast and portable implementation of the ANS Forth
2: language. It works nicely with the Emacs editor, offers some nice
3: features such as input completion and history, backtraces, a
4: decompiler and a powerful locals facility, and it even has a
5: manual. Gforth combines traditional implementation techniques with
6: newer techniques for portability and performance: its inner
7: interpreter is direct threaded with several optimizations, but you can
8: also use a traditional-style indirect threaded interpreter. Gforth is
9: distributed under the GNU General Public license (see COPYING).
11: Gforth runs under GNU, BSD, and similar systems, MS Windows, MacOS X,
12: OS/2, and DOS and should not be hard to port to other systems
13: supported by GCC. This version has been tested successfully on the
14: following platforms:
18: Read INSTALL for installation instructions from source, or INSTALL.DOS
19: for DOS, Windows, and OS/2 from source, or INSTALL.BINDIST if you have
20: a binary package distributed as .tar.gz or .zip file. If you received
21: a self-installing executable, just run it and follow the instructions.
23: To start the system, just say `gforth' (after installing it).
25: You can find new versions of Gforth at ftp://ftp.gnu.org/gnu/gforth/
26: and its mirrors or at
32: The latter site also contains binary distributions of Gforth for some
33: popular platforms.
35: If you want to work on Gforth, mail me. Tasks to be done can be found
36: in ToDo; but if you would like to do something not mentioned there,
37: it's ok, too. In any case, we would like to hear what you are
38: doing. The most important tasks IMO are the missing ANS Forth words,
39: the documentation and the foreign language interface for C.
41: On popular request, here are the meanings of unusual file extensions:
43: *.fs Forth stream source file (include with "include <file>" from within
44: gforth, or start with "gforth <file1> <file2> ...")
45: *.fi Forth image files (start with "gforth -i <image file>")
46: *.fb Forth blocks file (load with "use <block file> 1 load")
47: *.i C include files
48: *.ds documenation source
49: *TAGS etags files
51: A number of Forth source files are included in this package that are
52: not necessary for building Gforth. Not all of them are mentioned in
53: the rest of the documentation, so here's a short overview:
56: code.fs random.fs more.fs ansi.fs colorize.fs
57: oof.fs oofsampl.fs objects.fs blocked.fb tasker.fs
60: ans-report.fs etags.fs glosgen.fs filedump.fs
63: tt.fs sokoban.fs
65: Test programs (for testing Forth systems):
69: bubble.fs siev.fs matrix.fs fib.fs
71: ANS Forth implementations of Gforth extensions:
72: compat/*.fs other.fs
74: For discussions about Gforth, use the Usenet newsgroup
75: comp.lang.forth. If you prefer not to post on Usenet, there is also a
76: mailing list: GForth@ChaosSolutions.org. To subscribe, send a mail to
77: firstname.lastname@example.org with:
79: subscribe GForth
81: as the first and only line within the message body. Submit bug
82: reports through
86: (whether you post them or not).
88: - anton
92: Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2006,2007 Free Software Foundation, Inc.
94: This file is part of Gforth.
96: Gforth is free software; you can redistribute it and/or
97: modify it under the terms of the GNU General Public License
98: as published by the Free Software Foundation; either version 2
99: of the License, or (at your option) any later version.
101: This program is distributed in the hope that it will be useful,
102: but WITHOUT ANY WARRANTY; without even the implied warranty of
103: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.#See the
104: GNU General Public License for more details.
106: You should have received a copy of the GNU General Public License
107: along with this program; if not, write to the Free Software
108: Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.