[antlr-interest] ANTLR and ANT

[Bogdan Mitu]

--- Silvain Piree <s.piree at enneya.com> wrote:
> Attached you'll find the patched ANTLR task for ANT.
> It's a quick&dirty solution which adds attributes "glib", "glib2" and
> "glib3", but it gets the job done.
> 
> Silvain

I will include these. Thanks.

Bogdan

> ----- Original Message -----
> From: "Bogdan Mitu" <bogdan_mt at yahoo.com>
> To: <antlr-interest at yahoogroups.com>
> Sent: Tuesday, May 28, 2002 10:13 AM
> Subject: Re: [antlr-interest] ANTLR and ANT
> 
> 
> > Hi Silvain,
> >
> > If I remember correctly, glib=..." is a command-line-only option. You
> > probably added new attributes to the ANTLR task. My modifications don't
> deal
> > with supergrammars (in fact I don't use them, I prefer to use literate
> > programming to produce different variations of a grammar). But your
> changes
> > and mine can be merged. To make more clear what modifications I made,
> here
> > is a fragment from my post to ant-dev:
> >
> > >>>
> > Working with the ANTLR task I saw that it (the ANTLR task) is somehow
> > limited when it tries to determine if the source grammar is "dirty" or
> not:
> >
> > - It considers the output of ANTLR to be one file per grammar, while in
> fact
> > there are 2 (or even 3): XxxParser.java, XxxParserTokenTypes.java and
> > possibly XxxParserTokenTypes.txt. If any of one is missing, the grammar
> > should be recompiled, which currently happens only for XxxParser.java.
> >
> > - An ANTLR file can contain more than one grammar (any combination of
> lexer,
> > parser and tree parser grammars). Once again, multiple output files, and
> > each of them missing should trigger the recompilation of the grammar.
> >
> > - ANTLR grammars can export/import token lists through "vocabulary
> files" -
> > XxxTokenTypes.txt. If the imported file is newer than the grammar file,
> the
> > grammar should be recompiled to include the correct tokens in generated
> > code.
> >
> > The main problem lays in the method getGeneratedFile(), which returns
> only
> > one file, while in fact we need two lists of files, ones that are
> results
> of
> > the grammar, and should be *older* than the grammar, and a list of
> imported
> > files, which should be *younger* than the grammar file.
> > <<<
> >
> > The new task parses the grammar file to determine all generated files
> and
> > all imported files, so that it can make a better decision. It doesn't
> know
> > anything about supergrammars. And you're right, it should. If you send
> me
> > your changes, I will try to incorporate them.
> >
> > Regards,
> > Bogdan
> >
> >
> > --- Silvain Piree <s.piree at enneya.com> wrote:
> > >
> > > Bogdan,
> > >
> > > > I wrote a new ANTLR task, which uses a parser to analyze all
> > > > dependencies, and sent it to ant-dev. However, the process of
> > > > review/adoption is very slow, ANTLR not being their top priority.
> > > > If someone is interested, I can post the patch.
> > >
> > > I've also made some small changes to the ANTLR task from ANT:
> > > I've added the ability to specify the location of base grammars
> > > from which to inherit using "glib=...", "glib2=...", etc.
> > >
> > > I've also added some checking to see if the base grammars are
> > > more recent than the grammar to be processed, so ANTLR
> > > is only activated when really needed. Works fine for me.
> > >
> > > In what way do your changes of the ANTLR task solve that problem.
> > > Most noteably, how do you know where the base grammars are
> > > located? In my case they are in several different directories.
> > >
> > > Kind greetings, Silvain
> > >
> > >
> > >
> > >
> > >
> > > Your use of Yahoo! Groups is subject to
> http://docs.yahoo.com/info/terms/
> > >
> > >
> > >
> >
> >
> > __________________________________________________
> > Do You Yahoo!?
> > Yahoo! - Official partner of 2002 FIFA World Cup
> > http://fifaworldcup.yahoo.com
> >
> >
> >
> > Your use of Yahoo! Groups is subject to
> http://docs.yahoo.com/info/terms/
> >
> >
> >
> 
>  
> 
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ 
> 
> 

> ATTACHMENT part 2 application/octet-stream name=ANTLR.java



__________________________________________________
Do You Yahoo!?
Yahoo! - Official partner of 2002 FIFA World Cup
http://fifaworldcup.yahoo.com

 

Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/