[antlr-interest] New user

[matthew ford]

Hi Bogdan,
That looks interesting. I would like to access this file
 http://groups.yahoo.com/group/antlr-interest/files/satc-20020620.zip
can it be made available somewhere that does not want to know how I am and
what I do?
matthew
----- Original Message -----
From: "Bogdan Mitu" <bogdan_mt at yahoo.com>
To: <antlr-interest at yahoogroups.com>
Cc: <gudnabrsam at yahoo.com>
Sent: Friday, August 30, 2002 5:10 PM
Subject: Re: [antlr-interest] New user


>
> --- Matt Benson <gudnabrsam at yahoo.com> wrote:
> > As promised, I have come up with a question!  :)
> >
> > Now, so we know, my interest in Antlr is, thus far,
> > restricted to java.g.  Right now I am interested in
> > comments.  I am parsing a Java file with both single
> > and multiline comments, and running it through a
> > TokenStreamHiddenTokenFilter using my own modified
> > version of the Transmogrify framework.
>
> Transmogrify is a plugin for Jext, isn't it? Do you want it to parse
> documents statically (when you save them, or when the user hit a button)
or
> dinamically, as the user types the code? The later is more tricky, because
> ANTLR is unforgiveable with incomplete code, it returns you no AST if it
> couldn't finish it. But there are workarounds for this. You may want to
take
> a look at the code here:
>
> http://groups.yahoo.com/group/antlr-interest/files/satc-20020620.zip
>
> where you can see syntax highlight and AST construction for documents
under
> editing. You can not apply it directly to Jext, as Jext uses a custom
> TextArea, but you may find it interesting anyway.
>
> Best regards,
> Bogdan
>
>
>
>
>
> I have
> > disabled the code that sets SL_COMMENT and ML_COMMENT
> > to be hidden in the TokenStreamHiddenTokenFilter;
> > however I still cannot see them when I display my
> > syntax tree using an ASTFrame.  Does anyone have any
> > clue why?
> >
> > Sorry for the too-specific problem... :)
> >
> > -Matt
> >
> >
> > --- Matt Benson <gudnabrsam at yahoo.com> wrote:
> > > I had pretty much determined the meanings of ()* and
> > > ()+  but what, then, is the origin of the terms
> > > "closure subrule" and "positive closure subrule" ?
> > > Have I just not read enough yet?  :)
> > >
> > > Anyway, I just upgraded to the newer version and it
> > > seems to have solved my compilation problem.
> > > Tomorrow
> > > I'll probably come up with more!
> > >
> > > Thanks a lot,
> > > Matt
> > >
> > > --- Terence Parr <parrt at jguru.com> wrote:
> > > >
> > > > On Wednesday, August 28, 2002, at 02:13  PM, Matt
> > > > Benson wrote:
> > > >
> > > > > I had looked in the FAQ and seen the relevant
> > > > article.
> > > > >  I had not seen the Getting started with Antlr
> > > > > article.  I guess my biggest problem is unifying
> > > > the
> > > > > table in the manual that shows the punctuation
> > > and
> > > > > keywords with English descriptions.
> > > Understanding
> > > > the
> > > > > difference between a subrule, a closure subrule,
> > > > and a
> > > > > positive subrule seems like something that's
> > > only
> > > > > going to come with much perusal of the
> > > > documentation,
> > > > > or more education in the field of parsing in
> > > > general.
> > > >
> > > > Ah.  well a subrule just lets you put alternatives
> > > > in-line instead of
> > > > making another rule like this:
> > > >
> > > > a : A (B|C) ;
> > > >
> > > > The "(...)*" closure means zero more times around
> > > > the loop and (...)+
> > > > means at least once :)
> > > >
> > > > >
> > > > > The biggest problem I am facing at the moment is
> > > > this:
> > > > >  if I run Antlr on the latest java.g from John
> > > > Pybus
> > > > > via the ant-interest list, its declared
> > > > charVocabulary
> > > > > fills JavaLexer.java with various unicode/octal
> > > > escape
> > > > > sequences that will not compile with Sun's javac
> > > > for
> > > > > either 1.3 or 1.4.  I get various "empty
> > > character
> > > > > literal", "unclosed character literal", and
> > > > "illegal
> > > > > unicode escape" errors.  I am using Antlr 2.7.1.
> > >
> > > > Do I
> > > > > need to upgrade to the new alpha?
> > > >
> > > > Yup...the 2.7.2a2 release (nearly the final thing)
> > > > will fix lots of
> > > > that.
> > > >
> > > > Ter
> > > >
> > > >
> > > >
> > > >
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> > > >
> > >
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