For what it is worth, I have only ever had to tell people that they need to increase it and have never decreased it myself. I think we just dump it ;-)
Jim > -----Original Message----- > From: [email protected] [mailto:antlr-interest- > [email protected]] On Behalf Of Terence Parr > Sent: Wednesday, July 14, 2010 12:33 PM > To: [email protected] interest > Subject: [antlr-interest] -Xconversiontimeout > > Hi,Does anyone use the following parameter to actually REDUCE the > conversion timeout? > > -Xconversiontimeout t set NFA conversion timeout (ms) for each > decision > > I'm thinking about simply getting rid of this timeout failsafe. It was > originally necessary before I added a heuristic that prevented us from > hitting exponential landmines in the grammar. It's a very crude > mechanism and I'd like to remove. > > The only situation I've seen where people use the parameter is when > they need to INCREASE it. In other words, ANTLR will succeed in > creating the prediction DFA, but it needs a little more time than the > default. > > So, please let me know your thoughts on this, particularly if you need > to reduce the time given to DFA construction. The behavior you would > see is that reducing the parameter using the same exact parser but > antlr finishes faster. > > Thanks! > Ter > > List: http://www.antlr.org/mailman/listinfo/antlr-interest > Unsubscribe: http://www.antlr.org/mailman/options/antlr-interest/your- > email-address List: http://www.antlr.org/mailman/listinfo/antlr-interest Unsubscribe: http://www.antlr.org/mailman/options/antlr-interest/your-email-address -- You received this message because you are subscribed to the Google Groups "il-antlr-interest" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/il-antlr-interest?hl=en.
