Antlr272
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Posted By:   Jennifer_Werner
Posted On:   Monday, June 2, 2003 10:55 AM

Hi, I have a production grammer that looks like this:

root: (TO)* OVL PNDPROMPT

If I lose the input stream before I get the OVL I get the following syntax error:

expecting OVL, found 'null'

Any idea where this 'null' is coming from and is there any way to prevent this? Has anyone seen this before?

Re: Antlr272

Posted By:   Monty_Zukowski  
Posted On:   Tuesday, June 3, 2003 08:25 AM

Usually you would get an error expecting OVL, found EOF. Not sure why it is 'null'. Java or C++?


You need an exception handler to handle the case if OVL is not coming because that is an error.


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