[antlr-interest] Re: NullPointerExption error in verilog.g

[mzukowski at bco.com]

You can see a working parser and tree parser in the GCC translation
framework.  Follow the links from www.codetransform.com/gcc.html.  In
particular you can see the parser with the tree construction annotations and
actions, and then the tree parser rules needed to parse the tree.

Monty

> -----Original Message-----
> From: kts81932 [mailto:kts81932 at yahoo.co.kr]
> Sent: Thursday, March 14, 2002 2:03 AM
> To: antlr-interest at yahoogroups.com
> Subject: [antlr-interest] Re: NullPointerExption error in verilog.g
> 
> 
> Hi..
> i try the 2.7.2 prerelease...
> same error occured..
> 
> 
> mintypmax_expression :
>         expression ( COLON expression COLON expression )?
>         ;
> this grammer occur NullPointerExeption..
> 
> hmmm 
> how can change this parser grammer into TreeWalker grammer..?? 
> 
> 
> --- In antlr-interest at y..., Ric Klaren <klaren at c...> wrote:
> > Hi,
> > 
> > Could you try the 2.7.2 prerelease?
> > 
> > Ric
> 
> 
> 
> 
>  
> 
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