Re: Error with grammar arguments

[Rob Casey]

Thanks for the tip Chris, Hans.  I have a straight-forward unit test where
this issue is manifesting, so I will explore this with respect to lexer
token allocation.


On Wed, Dec 19, 2018 at 8:21 AM Hans Åberg <address@hidden> wrote:

>
> > On 18 Dec 2018, at 20:06, Rob Casey <address@hidden> wrote:
> >
> > Yes - That is correct Chris. I am allocating memory within Flex for
> tokens.
> > This issue first manifest itself when I started to add code for the
> proper
> > freeing on this memory (where no longer required) within grammar actions.
>
> It looks like a lexer issue, same pointer passed to the Bison parser. You
> might write out the strings to see whether it is overwritten or not written
> the second time.
>
> > On Wed, 19 Dec. 2018, 04:40 Chris verBurg <address@hidden
> wrote:
> >
> >> Rob,
> >>
> >> To ask a sanity question, you do strdup (or otherwise allocate fresh
> >> memory for) yytext on the Flex side when returning tokens, yes?
> >>
> >> -Chris
>
>
>