Re: viewing parse tree

[Hans Aberg]

At 05:08 +0400 2005/04/14, hz kto wrote:
> I was wondering are there any tools out there that allow to view 
> bison parse tree in graphics some sort of pseudo graphics, or any 
> other way to help understand which branches of the parse tree depend 
> on a particular grammar element. For example I want to find out all 
> branches that might contain multiplication.

If you want to see that parse tree, Bison does not provide any such 
thing, though there is a -g option, letting you to get a VCG graph of 
the pushdown automaton that Bison generates. You might inquiry in the 
group comp.compilers for such tools. In Bison, one uses normally the 
hands on approach, adding the stuff by hand the rule actions.
--
  Hans Aberg