Re: How to construct a BNF for a language mechanically and incrementally?

2010-01-09 Thread Peng Yu
On Sat, Jan 9, 2010 at 11:00 AM, John R. Levine wrote: >> I have never used soelim before. I have been looking for some >> introductory material on it, but I don't find anything useful. (The >> man page is too terse and hard for me to figure out how to use it if I >> know nothing about it). > > Th

Re: How to construct a BNF for a language mechanically and incrementally?

2010-01-09 Thread Peng Yu
On Tue, Dec 29, 2009 at 11:17 PM, John Levine wrote: >>I just start reading the book "flex & bison Text Processing Tools" by >>John Levine. Please excuse me if I ask some question that are >>available somewhere in the book. When the grammar become huge, it >>would be inconvenient put all BNFs in a

Where are the project homepages of flex++ and bison++?

2010-01-09 Thread Peng Yu
I see bison++ lex++ tutorial in the following webpage. I contact the author of the tutorial. But he doesn't know where the official websites are. http://www.mario-konrad.ch/index.php?page=20024 The tutorial pointed the following wiki page for flex++. http://en.wikipedia.org/wiki/Flex%2B%2B Is th