Hi! Is this still a problem for you? Could you tell us a bit more about what you do with these two tables?
Thanks! > Le 1 nov. 2016 à 01:42, box12...@sonobelab.com a écrit : > > Hello, > > Our system is utilizing GNU Bison in Cygwin in yacc mode (by -y) in > busuness. > Thank you for your maintaining Bison and correcting original miss comments, > arranging obsolete compile options, etc. > > In bison 2.x.x, the arrays > yyrhs and yyprhs > in the file > y.tab.c > is very useful, so our program depends on them in real business. > > The other day, we updated Cygwn environment and found that > the array variables yyrhs and yyprhs disappeared in bison 3.0.2 and 3.0.4, > and that bison 2.x.x is no longer existing in the Cygwin ftp directory list. > > (An 2.7.1 binary for Cygwin was found at a certain ftp site, but it did not > work in the current Cygin environment. ) > > (The Bison command line option -t (or --debug) did not bring effect as this > point. ) > > Though the two variables might have be written only for debugging by the > original developer, but we need them every day in the form of > machine-reading. > > So, we are now very puzzled whether we should develop and maintain a program > code to make the two variable values correctly from the rest information in > the file. But, it could be very difficult, because of the complex related > functions and the troublesome (about 251) bias of yytype, we found after some > trial. > > If you could revive the variable in the next version Bison soon and inform > us via this mailing-list, we would be very happy. > > Thank you in advance. > > -- > box12009 > >