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:
21: Read INSTALL for installation instructions from source, or INSTALL.DOS
22: for DOS, Windows, and OS/2 from source, or INSTALL.BINDIST if you have
23: a binary package distributed as .tar.gz or .zip file. If you received
24: a self-installing executable, just run it and follow the instructions.
26: To start the system, just say `gforth' (after installing it).
28: You can find new versions of Gforth at ftp://ftp.gnu.org/gnu/gforth/
29: and its mirrors or at
35: The latter site also contains binary distributions of Gforth for some
36: popular platforms.
38: If you want to work on Gforth, mail me. Tasks to be done can be found
39: in ToDo; but if you would like to do something not mentioned there,
40: it's ok, too. In any case, we would like to hear what you are
41: doing. The most important tasks IMO are the missing ANS Forth words,
42: the documentation and the foreign language interface for C.
44: On popular request, here are the meanings of unusual file extensions:
46: *.fs Forth stream source file (include with "include <file>" from within
47: gforth, or start with "gforth <file1> <file2> ...")
48: *.fi Forth image files (start with "gforth -i <image file>")
49: *.fb Forth blocks file (load with "use <block file> 1 load")
50: *.i C include files
51: *.ds documenation source
52: *TAGS etags files
54: A number of Forth source files are included in this package that are
55: not necessary for building Gforth. Not all of them are mentioned in
56: the rest of the documentation, so here's a short overview:
59: code.fs random.fs more.fs ansi.fs colorize.fs
60: oof.fs oofsampl.fs objects.fs blocked.fb tasker.fs
63: ans-report.fs etags.fs glosgen.fs filedump.fs
66: tt.fs sokoban.fs
68: Test programs (for testing Forth systems):
72: bubble.fs siev.fs matrix.fs fib.fs
74: ANS Forth implementations of Gforth extensions:
75: compat/*.fs other.fs
77: For discussions about Gforth, use the Usenet newsgroup
78: comp.lang.forth. If you prefer not to post on Usenet, there is also a
79: mailing list: GForth@ChaosSolutions.org. To subscribe, send a mail to
80: firstname.lastname@example.org with:
82: subscribe GForth
84: as the first and only line within the message body. Submit bug
85: reports through
89: (whether you post them or not).
91: - anton
95: Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2006,2007 Free Software Foundation, Inc.
97: This file is part of Gforth.
99: Gforth is free software; you can redistribute it and/or
100: modify it under the terms of the GNU General Public License
101: as published by the Free Software Foundation, either version 3
102: of the License, or (at your option) any later version.
104: This program is distributed in the hope that it will be useful,
105: but WITHOUT ANY WARRANTY; without even the implied warranty of
106: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.#See the
107: GNU General Public License for more details.
109: You should have received a copy of the GNU General Public License
110: along with this program. If not, see http://www.gnu.org/licenses/.