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From: Nick Roberts <nickrob@snap.net.nz>
To: "Marc Khouzam" <marc.khouzam@ericsson.com>
Cc: "Daniel Jacobowitz" <drow@false.org>, 	<gdb-patches@sources.redhat.com>
Subject: RE: [Patch] Fix for -var-update to use natural format to compare
Date: Wed, 23 Jan 2008 00:33:00 -0000	[thread overview]
Message-ID: <18326.35603.281821.709393@kahikatea.snap.net.nz> (raw)
In-Reply-To: <6D19CA8D71C89C43A057926FE0D4ADAA04290E42@ecamlmw720.eamcs.ericsson.se>

 > This is assuming the frontend only displays a single value.
 > In DSF, we (sometimes) display all values at once.  Can be nice for the user.
 > 
 > > why do you want to keep track of the value in
 > > all formats?  And if you're actually displaying them all
 > > simultaneously to the user, why shouldn't they be independent varobjs?
 > 
 > Independent varObjects would work.  However every time the program stops
 > the frontend will need to issue a var-update on five objects instead of one,
 > and what is worse is that GDB will need to read the memory from the target
 > five times instead of once.  This is less efficient than the frontend
 > forcing GDB to use natural format (see below.)

You say it "Can be nice for the user." but you haven't really answered the
first question:

   why do you want to keep track of the value in all formats?

Why, for example, would a user want to see the value of a double as a
decimal?  It just seems to be a misleading thing to do.

-- 
Nick                                           http://www.inet.net.nz/~nickrob


  parent reply	other threads:[~2008-01-23  0:33 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-22  3:25 Marc Khouzam
2008-01-22  3:53 ` Daniel Jacobowitz
2008-01-22 14:43   ` Marc Khouzam
2008-01-22 15:03     ` Daniel Jacobowitz
2008-01-22 15:12       ` Marc Khouzam
2008-01-22 15:35       ` Vladimir Prus
2008-01-22 16:38       ` Marc Khouzam
2008-01-22 17:50         ` Vladimir Prus
2008-01-22 17:59           ` Daniel Jacobowitz
2008-01-23  0:33     ` Nick Roberts [this message]
2008-01-23 14:41       ` Marc Khouzam

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