[antlr-interest] Nondeterministically blind
Terence Parr
parrt at jguru.com
Sat Dec 8 16:32:24 PST 2001
On Saturday, December 8, 2001, at 04:18 PM, Edward Povazan wrote:
> Hello,
>
> I just can't see why this shouldn't work. I am trying to parse Python
> strings:
> http://www.python.org/doc/current/ref/strings.html
>
> My rule:
> STRING_LIT:
> SHORT_STRING | LONG_STRING ;
> is the one that gives the warning.
>
> How do you guys normally go about hunting down the non deterministic
> part of
> your grammars. I've been scribbling state diagrams, and just can't see
> my
> error. Then again, I am a relative ANTLR newbie, and it's been a long
> time
> since I wanted to parse something.
>
> Can anyone point out my error?
You didn't include the error message that I could see, but I'm guessing
you have a problem in that your string chars can include the quote and
double-quote chars, which will conflict with the start/end of the
string :)
Good luck,
Terence
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