[antlr-interest] Differing behavior between ParseTreeDebugParse and Parser
Terence Parr
parrt at cs.usfca.edu
Tue Nov 23 09:30:43 PST 2004
On Nov 23, 2004, at 7:23 AM, Kevin Lindsey wrote:
> Hello,
>
> I decided to follow the suggestion of one of the ANTLR articles which
> describes how to generate the derivation of a parse for debugging
> purposes. This was working great and then I started getting stack
> underflows from ParseTreeDebugParser. I reverted my grammar, but for
> the life of me the problem persists. I decided to switch back to the
> default "extends Parser" and the exact same parse completes
> successfully. I have defaultErrorHandler set to false, so I believe I
> should see any errors encountered during the parse. Is this an
> indication that something is wrong with my grammar or with
> ParseTreeDebugParser. BTW, I'm using the C# generation.
Hi Kevin,
Very strange. And you reran antlr on the grammar of course before
recompiling and running? I sometimes forget ;)
Ter
--
CS Professor & Grad Director, University of San Francisco
Creator, ANTLR Parser Generator, http://www.antlr.org
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