[antlr-interest] BNF to ANTLR

[Loring Craymer]

What else would any sane ANTLRophile write a translator in?  BNF translators seem to be the simplest useful example for working with ANTLR.

--Loring




----- Original Message ----
> From: Jim Idle <jimi at temporal-wave.com>
> To: "antlr-interest at antlr.org" <antlr-interest at antlr.org>
> Sent: Wed, November 4, 2009 11:07:18 AM
> Subject: Re: [antlr-interest] BNF to ANTLR
> 
> Yeah - the thing is though, that you then don't really learn anything about what 
> you are doing. Unless of course you write the translator in ANTLR first ;-)
> 
> Jim
> 
> > -----Original Message-----
> > From: Loring Craymer [mailto:lgcraymer at yahoo.com]
> > Sent: Wednesday, November 04, 2009 11:05 AM
> > To: Jim Idle; antlr-interest at antlr.org
> > Subject: Re: [antlr-interest] BNF to ANTLR
> > 
> > Actually, this is easier to do automatically.  Any BNF dialect takes
> > about 2 pages for parser + lexer description of the BNF in ANTLR; it is
> > very easy to write a translator from one BNF dialect to another
> > (ANTLR).  You will still have to rework the resulting grammar.
> > 
> > --Loring
> > 
> > 
> > 
> > ----- Original Message ----
> > > From: Jim Idle 
> > > To: "antlr-interest at antlr.org" 
> > > Sent: Wed, November 4, 2009 8:05:12 AM
> > > Subject: Re: [antlr-interest] BNF to ANTLR
> > >
> > > Much better to do it by hand. ANTLRs EBNF notation is close, but
> > remember that
> > > ANTLR is LL() and not LALR, which most bnf definitions from normative
> > specs are
> > > aimed at. Use ANTLRWorks and build slowly and you should pick it up
> > quite
> > > quickly if you understand BNF well.
> > >
> > > Jim
> > >
> > > > -----Original Message-----
> > > > From: antlr-interest-bounces at antlr.org [mailto:antlr-interest-
> > > > bounces at antlr.org] On Behalf Of Stefan Frey
> > > > Sent: Wednesday, November 04, 2009 6:33 AM
> > > > To: antlr-interest at antlr.org
> > > > Subject: [antlr-interest] BNF to ANTLR
> > > >
> > > > Hi im quite new to ANTLR and compiler generation.
> > > > I have a grammer written in BNF and need to convert it
> > > > to the Format ANTLR supports. So ist there a better/quicker
> > > > solution than by doing it by hand?
> > > >
> > > > Cheers Stefan
> > > >
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> > 
> > 
> > 
> 
> 
> 
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