Release of PCCTS 1.20

                                    Announcing the 1.20 release of PCCTS


                                The Purdue Compiler Construction Tool Set


                                                            April 1, 1994


Items of note in the new version:


o PCCTS now actively supports C++. The new C++ output is very
cool--we have chosen to create a class hierarchy that reflects
the typical nice conceptual separation between recognition
subtasks.


o We added ``#tokclass'' (define a set of tokens), ``.''
(wildcard operator), ``~'' (not operator).


o Added ``T1..Tn'' token range operator.


o Added ``#tokdefs'' so programmers can have predefined token
type values.


o We improved the genmk program.


o Line numbers are now tracked when using infinite lookahead.


o Added ``-o dir'' option to specify where all output should go.


o A few nasty code generation bugs were fixed as well as a few
bugs relating to semantic predicate hoisting.


For those users with anonymous FTP access: The site is:


                                  marvin.ecn.purdue.edu (128.46.179.151)


in the directory:


                                  pub/pccts/1.20


Those with only email access mail send:


                                  mail -s 'email install' pccts@ecn.purdue.edu
                                  mail -s 'email one.c' pccts@ecn.purdue.edu
                                  mail -s 'email pccts.bag' pccts@ecn.purdue.edu


Note that non-UNIX users will have to get files install.unbag.reqd and
unbag.c in addition. See the README file. The makefile has explicit
stuff for a variety of compilers for PC's. A makefile.VMS file is also
included for ANTLR and DLG.


If you are interested in sharing your experiences/problems/
successes/suggestions regarding PCCTS, please send email to our mailing
list at


                            pccts-users@ahpcrc.umn.edu


You can subscribe to the mailing list by sending mail to


                            pccts-users-request@ahpcrc.umn.edu


with a body of


                            subscribe pccts-users your_return_email_address


where your_name can be your name or your email address. Also, feel free
to post messages to the comp.compilers newsgroup if you have
grammars/tools that might prove useful to others. We are in the process
of trying to get the news group comp.compilers.pccts approved.


Also of interest may be SORCERER, a simple tree-parser generator. An
overview paper and the software may be obtained in pub/pccts/sorcerer at
the same ftp site.


Thank you for your interest in PCCTS,


    The Authors of The Purdue Compiler Construction Tool Set:


    Terence J. Parr, parrt@acm.org
    Will E. Cohen, cohenw@ecn.purdue.edu
    Russell W. Quong quong@ecn.purdue.edu
    Henry G. Dietz, hankd@ecn.purdue.edu
--

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