[antlr-interest] unable to run or debug grammar in antlrworks 1.4 on Windows XP

[Andrew Haley]

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.