[antlr-interest] error(10): internal error: org.antlr.analysis.NFAToDFAConverter.getPredicatesPerNonDeterministicAlt(NFAToDFAConverter.java:1604): no AST/token for nonepsilon target w/o predicate

[Loring Craymer]

This type of thing commonly happens when you run out of heap space.  See about passing arguments to the JVM during ANTLR launch--you can specify min and max sizes for the heap.

--Loring




>________________________________
> From: Nat Wyatt <nwyatt at salesforce.com>
>To: antlr-interest at antlr.org 
>Sent: Friday, October 19, 2012 12:55 PM
>Subject: [antlr-interest] error(10): internal error: org.antlr.analysis.NFAToDFAConverter.getPredicatesPerNonDeterministicAlt(NFAToDFAConverter.java:1604): no AST/token for nonepsilon target w/o predicate
> 
>We are intermittently getting the error in the subject line running 
>ANTLR 3.1.1. It happens only in our build system, and not every time. 
>Multithreaded NFA conversion is off (by default we do not specify 
>--Xmultithreaded).
>
>Since it is not easily reproducible, I was wondering if anyone had hints 
>for what to look for.
>
>As far as I can tell the problem has not been mentioned on the 
>antlr-interest list and there's no issue for it on github.
>
>Thanks,
>
>nat
>
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