Re: how to handle large varible sized semanitc values (in C-basedparsers)?

[Hans Aberg]

On 5 Jul 2007, at 16:26, Gary Funck wrote:

> Hans, thanks for the follow-up.  I noticed after the
> fact that I didn't modify my current %union definition
> to the form where it held the storage for the binary
> data within the node itself. To clarify, the defintion
> should have been:
>
> %union {
>   uda_tword_t val;
>   uda_tword_t val2[2];
>   uda_tint_t signed_val;
>   uda_taddr_t addr_val;
>   uda_debugger_pts_t pts;
>   char *str;
>   uda_binary_data_t data;
> }
>
> where uda_binary_data_t is defined as:

One idea of using %union is to save space, so it would no longer  
apply with your definition, as the "union" takes up at least the size  
of its smallest member.

  Hans Aberg