SDF2 Bundle 2.3
SDF: Modular Syntax Definition Formalism
Released January 10, 2004.
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Redhat 9.0:
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- The *-cygwin.tar.gz files contain a file
readme.txt
with installation instructions.
Mac OS X binaries
- Will be a available later.
License
The SDF2 Bundle is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License (GNU LGPL) as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details
Contents
SDF2 Bundle 2.3 consists of:
SDF2 Bundle 2.3 requires:
News
This is mainly a maintenance release, fixing a number of
bugs. However, a number of important features have been added.
- Fixed a bug in obtaining a parse table when restoring brackets
with a grammar without start symbols.
- Fixed implosion of alternative literals.
"-" | "+"
becomes
alt(1,[]) or alt(2,[])
because a literal does not have a
representation in an imploded tree. This fixes a core dump
- The efficiency of the syntax checker was improved
drastically. This reduces parsetable generation times.
- A new commandline tool:
filterPT
. It filters parse forests based
on some command line arguments. Currently, we have one filter to
find trees with a maximum or minumum number of occurrences of a
certain non-terminal. It is used to implement filters for island
grammars.
- A new small package: tide-support. Contains a library for
developing new TIDE debugging adapters.
(News selected from Meta-Environment 1.5.2 and 1.5.3 news)