[antlr-interest] Antlr reporting differences between 2.7.1 and 2.7.2a6
j_scandaliaris at yahoo.es
Tue Dec 17 01:13:58 PST 2002
Sorry, I left the attachment out in the previous message.
Thanks for your prompt reply. You were right. It works ok with
2.7.a4, I've just tried it. Attached is a portion of the grammar I am
working on (a VHDL parser), where you can see the problem. You should
ANTLR Parser Generator Version 2.7.2a4 (20021027-1) 1989-2002
warning: lexical nondeterminism between rules DECIMAL_LITERAL and
I haven't figured out yet why I get the warning, but that's not
the point here anyway.
> This looks like something I might have caused. Do you know if it works
> with any 2.7.2 versions? My patches went in after 2.7.2a4. I'd
> appreciate it if you could send me an example grammar that has this
> problem. Even if I didn't cause it I can probably fix it.
> Jorge Scandaliaris wrote:
> > 2.7.1
> > ANTLR Parser Generator Version 2.7.1 1989-2000 jGuru.com
> > warning: lexical nondeterminism between rules DECIMAL_LITERAL and
> > BASED_LITERAL upon ...
> > 2.7.2a6
> > ANTLR Parser Generator Version 2.7.2a6 (20021130-1) 1989-2002
> > jGuru.com
> > D:\cvswork\vhdl_parser\VHDLparser.g: warning:null ...
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