Re: Different behaviour with string and number tokens ?

[Hans Aberg]

Tis does not work in the case of syntax input errors, though, because  
then the action is not executed. So then a way forward is to use % 
destructor, somehow. You might want creating a new Help-Bison thread  
about cleanups, to get the attention of some of the experts on this.


On 18 Apr 2006, at 15:02, Arno Wilhelm wrote:

> Hello,
>
> > But I get a memory leak even when I free the the in the bison file  
> > like this:
> > WORD   EQUAL         WORD   { $$ = !strncmp( $1, $3, 128 ); free 
> > ( yylval.str ); }
>
> have found out how to avoid the memory leak myself and thought I  
> would post it here
> in case somebody runs into the same issue.
>
> One has to free the variables like this:
>
> WORD EQUAL WORD { $$ = !strcmp( $1, $3 ); free($1); free($3); }
>
>
>
> regards,
> arno