Re: token extraction problem within a rule

[Richard Gill]

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2007/11/8, Hans Aberg <address@hidden>:
> On 8 Nov 2007, at 10:49, Richard Gill wrote:
>
> > I started learning flex/bison some days ago to write a parser. Nearly
> > all my parser works well, but I've a problem with a rule which  
> > matches
> > well but gives a wrong result in $n. I checked the lexer (flex) did
> > extract right token.
>
> There is a quite common newbie error to not copy the token that the
> Flex generated lexer points. It just points to a buffer, temporarily
> '\0' terminated, and changed back. Bison then makes several calls,
> and if given just a pointer in the buffer, there will be some jumble.
>
>    Hans Aberg

Hmmm, I see what you mean; sure it's something like that.
In fact, I'm just creating the parser, and debug it without using the
data. With a real process behind, I guess I wouldn't had this problem.
Thanks to have pointed  that to me!

Regards

--
Richard 'riri' GILL
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http://riri.houbathecat.info
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