RE: Variable Length Arrays (VLA) proposal

Agovic, Sanimir
2013-07-26T11:44:27Z

> On Thu, 2013-07-04 at 11:49 +0000, Agovic, Sanimir wrote:
> > Afaik gdb does a combination of:
> >
> > const char * exp = [...]
> > struct expression *expr = parse_expression (exp);
> > struct value *val = evaluate_type (expr);
> > [...]
> >
> > for whatis/ptype therefore we should be fine as we have a value in place.
>
> 1. The value is not passed through to f_print_type.
> 2. evaluate_type evaluates expr with no side effects and no memory reads
> - but for VLA the type depends on the actual value so you do not to
> evaluate with side effects.
>
Chris, thanks for hint. Regarding 2) we may go simply with printing unbound
dimensions e.g. (: : :). Later we can decide to either relax the no side effects
flag and print the bounds or keep it as-is.

-Sanimir
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