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From: Chris January <chris.january@allinea.com>
To: "Agovic, Sanimir" <sanimir.agovic@intel.com>
Cc: "gdb@sourceware.org" <gdb@sourceware.org>,
	"Boell, Keven"	 <keven.boell@intel.com>,
	"Weinmann, Christoph T"	 <christoph.t.weinmann@intel.com>
Subject: RE: Variable Length Arrays (VLA) proposal
Date: Thu, 04 Jul 2013 16:55:00 -0000	[thread overview]
Message-ID: <1372956951.2796.48.camel@gumtree> (raw)
In-Reply-To: <0377C58828D86C4588AEEC42FC3B85A71762A9D7@IRSMSX105.ger.corp.intel.com>

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



  reply	other threads:[~2013-07-04 16:55 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-28 13:03 Agovic, Sanimir
2013-06-28 15:40 ` Chris January
2013-07-01  1:55   ` Joel Brobecker
2013-07-01  8:01     ` Chris January
2013-07-01 15:32   ` Agovic, Sanimir
2013-07-04  8:18   ` Agovic, Sanimir
2013-07-04  9:13     ` Chris January
2013-07-04 11:49       ` Agovic, Sanimir
2013-07-04 16:55         ` Chris January [this message]
2013-07-26 11:44           ` Agovic, Sanimir
     [not found]     ` <1372928011.2796.13.camel@gumtree>
2013-07-04 10:00       ` Chris January
2013-07-02 13:37 ` Jan Kratochvil
2013-07-02 19:21   ` Jan Kratochvil
2013-07-02 22:22     ` Joel Brobecker
2013-07-04 12:32   ` Keven Boell
2013-08-04 19:33     ` Jan Kratochvil
2013-08-07  5:25       ` Keven Boell
2013-08-04 19:02 ` Jan Kratochvil

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