[antlr-interest] ANTLRWorks 1.0.1 exception in thread "main"
Terence Parr
parrt at cs.usfca.edu
Thu May 31 11:03:26 PDT 2007
Hmm... I think we are having issues with the test rig in AW at the
moment.
Ter
On May 30, 2007, at 10:49 PM, Ted Villalba wrote:
> Hi,
>
>
> Running ANTLRWorks 1.0b11.jar , I am able to step through the
> debugger with my grammar. If I delete all the files produced from
> compiling with version, and recompile the .g file with
> ANTLRWorks1.0.1, when I step through the denbugger it halts at the
> first rule and outputs:
>
>
> Exception in thread "main" java.lang.NullPointerException
>
> at org.antlr.runtime.debug.DebugTreeAdaptor.nil
> (DebugTreeAdaptor.java:45)
>
> at QueryParserParser.start(QueryParserParser.java:84)
>
> at __Test__.main(__Test__.java:22)
>
>
>
> Perhaps my grammar is bad and the new version is simply less
> forgiving, not sure.
>
> Anyone else experience this behavior?
>
>
> Thank you,
>
> Ted
More information about the antlr-interest
mailing list