Very interesting - thanks. I suppose this could explain why moving some rules / tokens around fixes the time-out sometimes, as the order it builds the DFA in will change, and thus how long certain things take to generate.
Matt. On 5 July 2010 11:06, Andrew Haley <[email protected]> wrote: > On 07/03/2010 10:14 PM, Matt Palmer wrote: > > I should add, in case the way I phrased the problem is causing any > > confusion: The grammar itself is fine (well - it works - it may not be > very > > elegant!). Code can be generated. I have no warnings or errors. The > > problem is whether the debugger in antlrworks will choose to start up, or > > time out. > > I had this problem too. The only way seemed to be to edit the source code > of ANTLR to fix the timeout. > > --- antlr-3.2/tool/src/main/java/org/antlr/analysis/DFA.java~ 2009-09-23 > 19:36:06.000000000 +0100 > +++ antlr-3.2/tool/src/main/java/org/antlr/analysis/DFA.java 2010-01-21 > 13:08:32.625782840 +0000 > @@ -53,7 +53,7 @@ > */ > > /** Set to 0 to not terminate early (time in ms) */ > - public static int MAX_TIME_PER_DFA_CREATION = 1*1000; > + public static int MAX_TIME_PER_DFA_CREATION = 10*1000; > > /** How many edges can each DFA state have before a "special" state > * is created that uses IF expressions instead of a table? > > The core problem was that antlrworks didn't allow this timeout to be > tweaked. > > Andrew. > > 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.
