[antlr-interest] Re: SableCC tree stuff (Was: Antlr 3.0 spaces between tokens)

[lgcraymer]

--- In antlr-interest at yahoogroups.com, Monty Zukowski <monty at c...> wrote:
> On Nov 11, 2004, at 9:30 AM, Alexey Demakov wrote:
> 
> >
> > I'm playing with SableCC tree, visitors and walkers and can't agree
> > that generation of tree from grammar is good idea. Even if it is 
> > heterogenous
> > strictly-typed SableCC tree.
> > I don't like tree node repetition because of grammar conflict 
> > resolving.
> > See java grammar example:
> >
> > AForStatement
> > AForStatementNoShortIF
> >
> 
> ANTLR doesn't make trees from the grammar, it lets you create Abstract 
> Syntax Trees.  From this example it seems SableCC is creating parse 
> trees, with a node for every rule, unlike ANTLR.

That's what Alexey was saying.  SableCC takes an LALR/parse tree
approach to language translation, and he finds the ANTLR approach
preferable.

--Loring

> 
> Monty





 
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