[antlr-interest] nondeterminism
Roshan Achar
broshan at gmail.com
Mon Nov 21 19:16:45 PST 2005
On 11/21/05, PATERSON, Robert <r.paterson at ioof.com.au> wrote:
> This is an educated guess as I'm a bit of an ANTLR newbie, but I imagine
> the non-determinism is due to (item)* in subfolder being optional. It's
> not sure when it encounters two item titles in a row, whether the
> H3_START is the manadatory start of an 'item_title' in 'subfolder' or
> the start of an optional 'item_title' 'item' at the end of a 'subfolder'
> rule.
You were right. I eliminated that confusion by redifining subfolder as -
subfolder
: (item_title) SUBFOLDER_START (item)* SUBFOLDER_END
;
Thanks ,
Roshan
broshan at gmail.com
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