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From: Tom Tromey <tromey@redhat.com>
To: "Elmenthaler\, Jens" <jens.elmenthaler@verigy.com>
Cc: <gdb@sourceware.org>
Subject: Re: [Pretty printers] Can the name or type of a child value change?
References: <58596C4646708B4BB990C4483997333002F403D9@usplmvpbe001.ent.rt.verigy.net>
Date: Mon, 16 Aug 2010 20:53:00 -0000
In-Reply-To: <58596C4646708B4BB990C4483997333002F403D9@usplmvpbe001.ent.rt.verigy.net>	(Jens Elmenthaler's message of "Fri, 13 Aug 2010 01:41:05 -0500")
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>>>>> "Jens" == Elmenthaler, Jens <jens.elmenthaler@verigy.com> writes:

Jens> Consider the following code example:
[...]

Jens> When stepping in the debugger over a line that changes JAny.type,
Jens> the name and the type of the child value returned by the pretty
Jens> printer change.

Jens> Are the MI variable objects meant to handle this?

Yes.  The MI consumer is expected to understand that dynamic varobjs are
dynamic: the number and names of children can change in arbitrary ways.
This is incompatible with previous expectations, which is why consumers
have to explicitly request this feature from gdb.

Tom