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From: Bob Rossi <bob@brasko.net>
To: Eli Zaretskii <eliz@gnu.org>
Cc: gdb@sources.redhat.com, cagney@redhat.com, ezannoni@redhat.com,
	fnasser@redhat.com
Subject: Re: GDB/XMI (XML Machine Interface)
Date: Sat, 21 Aug 2004 12:34:00 -0000	[thread overview]
Message-ID: <20040821123440.GA7138@white> (raw)
In-Reply-To: <01c48768$Blat.v2.2.2$a38a12a0@zahav.net.il>

On Sat, Aug 21, 2004 at 01:20:33PM +0300, Eli Zaretskii wrote:
> > Date: Fri, 20 Aug 2004 15:59:28 -0400
> > From: Bob Rossi <bob@brasko.net>
> > 
> > Changing the MI output to XML would greatly reduce the amount of time
> > and code written to interface with GDB. Period. I strongly believe there
> > is no argument against this point.
> 
> Strangely enough, none of the maintainers of the GDB front ends were
> enthusiastic about your proposal.  Perhaps that's because they already
> have their MI parser written, so the issue of reducing the effort of
> writing one does not bother them.

Right, this is understandably so. I would also not be interested if I
had already written my mi1 and mi2 parser. However, that doesn't mean
it's not the correct decision. Instead of writing a new parser, they
will get one for free, that they will never have to maintain. Doesn't
that sound nice?

> > BTW, how does one go about getting a yes/no answer to such an RFC? Do I
> > need the approval of the majority of GDB contributors? maintainers?
> 
> If you are looking for approval before you write the code, you've just
> heard the relevant opinions.  I believe this is all you can hope for.
> Whether that is enough for you to sit down and start writing is
> something you should decide on your own.
> 
> The way to get something into GDB is to write code and then submit it
> for approval.  Then there are designated individuals (mentioned in
> MAINTAINERS) who should review the code and either approve it or point
> out the parts that should be rewritten or corrected.

These designated individuals either are busy or refuse to even discuss
the topic at hand. This is awfully unfriendly.

> > Also, why haven't some of the maintainers of MI responded at all on this
> > subject? Andrew or Elena? Fernando are you the main contact as far as
> > decisions on the MI code goes?
> 
> I'm neither Andrew nor Elena nor Fernando, but I will try to summarize
> the impression I got from this discussion so far: your proposal
> mentioned several problems with MI, but most of those problems can
> (and IMHO should) be solved without ditching MI, and the effort to
> solve those problems with XMI is not going to be smaller.  One notable
> example of such problems is back compatibility, but there were others.

I believe that making GDB output XML would be trivial.

> I agree that it would be a Good Thing if GDB would come with a
> read-to-use MI parser library.  If you care about easing the pains of
> a GDB front-end programmer, then the project of writing such a parsing
> library should sound important to you.  But since you said quite
> explicitly that you are not interested in such a project, 

I am going to have to write an MI parser, if GDB refuses to simplfy it's
output. I have already been working on a project TGDB, and anyone that
wants to use it to base there front ends on GDB is welcome.

> I suspect
> that your interest is in playing with XML rather than easing the lives
> of front-end programmers out there.  There's nothing wrong with your
> interest in XML, of course, but you must understand that the interests
> of GDB maintainers are elsewhere, and rightly so.

I care nothing about XML. As I say it over and over again. If XML is
outputted by GDB, it could be binary for all I care, NO parser has to be
written. The job has already been done.

   I would not have to write a parser.
   I would not have to write a library.
   No one would.
   Ever.

This is my point. I think that might have been my very first epilogue :)

BTW, if none of the front end writers or maintainers like this idea, I
will silently drop the issue. Personally, I thought  many of the front
end writers would appreciate such a transparent protocol.

Thanks,
Bob Rossi

  reply	other threads:[~2004-08-21 12:34 UTC|newest]

Thread overview: 215+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <5956F1E2-EB0D-11D8-9949-000A9569836A@apple.com>
2004-08-11  0:51 ` Chris Friesen
     [not found]   ` <gdb001@speakeasy.net>
2004-08-11  6:28     ` Felix Lee
2004-08-11  8:25       ` Chris Friesen
2004-08-11 22:43     ` Felix Lee
2004-08-12  4:54       ` OT: " Chris Friesen
2004-08-20 10:34     ` Felix Lee
2004-08-20 12:54       ` Bob Rossi
2004-08-20 18:34         ` Daniel Jacobowitz
2004-08-20 18:49           ` Bob Rossi
2004-08-20 18:52             ` Daniel Jacobowitz
2004-08-20 19:25               ` Bob Rossi
2004-08-20 19:42                 ` Daniel Jacobowitz
2004-08-20 19:59                   ` Bob Rossi
2004-08-21 10:25                     ` Eli Zaretskii
2004-08-21 12:34                       ` Bob Rossi [this message]
2004-08-21 13:34                         ` Eli Zaretskii
     [not found]         ` <bob@brasko.net>
2004-08-20 18:20           ` Felix Lee
2004-08-20 21:34           ` Felix Lee
2004-08-21 19:21           ` Felix Lee
2004-08-21 20:21             ` Bob Rossi
2004-08-21 19:28           ` Felix Lee
2004-08-21 20:16             ` Bob Rossi
2004-08-21 21:28           ` Felix Lee
2004-08-21 22:37           ` Felix Lee
2004-10-03 18:36           ` GDB/MI snapshots between major release's Felix Lee
2004-10-03 18:40             ` Bob Rossi
2004-10-03 18:42               ` Daniel Jacobowitz
2004-10-03 19:35                 ` Bob Rossi
2004-10-03 19:39           ` Felix Lee
2004-10-03 20:19             ` Bob Rossi
2004-10-04  5:00           ` Felix Lee
2004-10-04 15:34           ` Felix Lee
2004-10-04 15:58             ` Bob Rossi
2004-10-04 16:48           ` Felix Lee
2004-10-04 17:37             ` Bob Rossi
2004-10-04 18:31           ` Felix Lee
2004-10-04 19:00             ` Bob Rossi
2004-10-04 21:07           ` Felix Lee
2004-10-03 17:01             ` Bob Rossi
2004-10-04  5:04               ` Eli Zaretskii
2004-10-04 14:59                 ` Bob Rossi
2004-10-04 15:49                   ` Mark Kettenis
2004-10-04 16:04                     ` Bob Rossi
2004-10-05 10:57                       ` Eli Zaretskii
2004-10-05 14:18                         ` Daniel Jacobowitz
2004-10-06  1:40                           ` Bob Rossi
2004-10-06 11:14                           ` Eli Zaretskii
2004-10-06 11:39                             ` Bob Rossi
2004-10-06 13:19                               ` Eli Zaretskii
2004-10-06 16:55                                 ` Bob Rossi
2004-10-06 17:00                                   ` Paul Koning
2004-10-06 17:02                                     ` Bob Rossi
2004-10-04 21:27             ` Daniel Jacobowitz
2004-10-04 22:14             ` Bob Rossi
2004-10-05  9:03               ` Fabian Cenedese
2004-10-05  9:18                 ` Eli Zaretskii
2004-10-05 13:37                   ` Bob Rossi
2004-10-05 18:53           ` probing GDB for MI versions Felix Lee
2004-10-06 17:14           ` GDB/MI snapshots between major release's Felix Lee
2004-10-06 17:21             ` Daniel Jacobowitz
2004-10-06 18:41           ` Felix Lee
2004-10-06 18:50             ` Bob Rossi
2004-10-06 18:55           ` Bumping MI protocol Felix Lee
2004-10-06 19:43             ` Bob Rossi
2004-10-06 21:04           ` Felix Lee
2004-10-07 18:01           ` probing GDB for MI versions Felix Lee
2004-10-07 19:44             ` Bob Rossi
2004-10-08  8:54               ` Fabian Cenedese
2004-10-19 20:13           ` Felix Lee
2004-10-19 20:23             ` Eli Zaretskii
2004-10-19 21:27             ` Bob Rossi
2004-11-09  2:27             ` Bob Rossi
2005-10-10 20:46 Laziness David Lecomber
2005-10-10 20:50 ` Laziness Daniel Jacobowitz
2005-10-10 21:05   ` Laziness David Lecomber
2005-10-10 21:09     ` Laziness Daniel Jacobowitz
2005-10-10 21:24       ` Laziness David Lecomber
2005-10-10 21:27         ` Laziness Daniel Jacobowitz
2005-10-10 23:53           ` Laziness Paul Hilfinger
     [not found] <200508292030.NAA29909@hpsje.cup.hp.com>
     [not found] ` <1125360166.9350.69.camel@aretha.corp.specifix.com>
2005-08-30  1:13   ` HP gdb/wdb sources available Daniel Jacobowitz
2005-08-30  2:13     ` Paul Hilfinger
  -- strict thread matches above, loose matches on Subject: below --
2004-10-26 14:49 backtrace changes current source location Felix Lee
2004-10-28 13:49 ` Daniel Jacobowitz
2004-10-06  1:03 Bumping MI protocol Bob Rossi
2004-10-06  5:08 ` Nathan J. Williams
2004-10-06 11:27   ` Bob Rossi
2004-10-06 12:30     ` Eli Zaretskii
2004-10-06 16:38       ` Bob Rossi
2004-10-06 16:45         ` Nathan J. Williams
2004-10-06 19:53           ` Bob Rossi
     [not found]       ` <eliz@gnu.org>
2004-10-06 16:57         ` Felix Lee
2004-10-06 17:03           ` Bob Rossi
2004-10-04 17:51 gdbserver, sysroot, prelink Felix Lee
2004-10-04 18:12 ` Daniel Jacobowitz
2004-10-03 17:15 probing GDB for MI versions Bob Rossi
2004-10-04  9:00 ` Eli Zaretskii
2004-10-04 13:19   ` Bob Rossi
2004-10-05  9:10     ` Eli Zaretskii
2004-10-05 12:34       ` Bob Rossi
2004-10-06 10:19         ` Eli Zaretskii
2004-10-06 11:47           ` Bob Rossi
2004-10-06 12:13             ` Dave Korn
2004-10-06 16:31               ` 'Bob Rossi'
2004-10-06 16:46                 ` Nathan J. Williams
2004-10-06 16:55                   ` 'Bob Rossi'
2004-10-06 17:04                     ` Nathan J. Williams
2004-10-06 17:15                       ` 'Bob Rossi'
2004-10-06 16:57                 ` Dave Korn
2004-10-06 17:12                   ` 'Bob Rossi'
2004-10-06 17:21                     ` Dave Korn
2004-10-06 17:24                       ` 'Bob Rossi'
2004-10-06 17:31                         ` Daniel Jacobowitz
2004-10-06 17:38                           ` Bob Rossi
2004-10-06 17:41                             ` Dave Korn
2004-10-06 17:55                               ` 'Bob Rossi'
2004-10-06 18:19                                 ` Paul Koning
2004-10-07 10:56                                 ` Dave Korn
2004-10-07 14:15                                   ` 'Bob Rossi'
2004-10-07 14:28                                     ` Dave Korn
2004-10-07 14:37                                       ` 'Bob Rossi'
2004-10-07 14:39                                         ` Dave Korn
2004-10-07 14:50                                           ` 'Bob Rossi'
2004-10-07 15:38                                             ` Dave Korn
2004-10-07 15:49                                               ` 'Bob Rossi'
2004-10-07 16:31                                                 ` Nathan J. Williams
2004-10-07 16:45                                                 ` Alain Magloire
2004-10-07 17:12                                                 ` Dave Korn
     [not found]                                                 ` <200410071614.MAA19648@smtp.ott.qnx.com>
2004-10-08  6:56                                                   ` 'Bob Rossi'
2004-10-08  9:10                                                     ` Eli Zaretskii
2004-10-10 18:13                                                       ` 'Bob Rossi'
2004-10-11 17:46                                                         ` 'Bob Rossi'
2004-10-13 12:14                                                         ` 'Bob Rossi'
2004-10-13 12:48                                                           ` Eli Zaretskii
2004-10-13 14:05                                                             ` 'Bob Rossi'
2004-10-14  7:10                                                               ` Eli Zaretskii
2004-10-14 19:34                                                                 ` 'Bob Rossi'
2004-10-14 21:23                                                                   ` Andrew Cagney
2004-10-15 15:40                                                                     ` 'Bob Rossi'
2004-10-15 13:02                                                                   ` Eli Zaretskii
2004-10-15 13:28                                                                     ` Michael Chastain
2004-10-15 13:42                                                                       ` Eli Zaretskii
2004-10-15 18:04                                                                     ` 'Bob Rossi'
2004-10-16 15:46                                                                       ` Eli Zaretskii
2004-10-16 21:56                                                                         ` 'Bob Rossi'
2004-10-17 18:59                                                                           ` Eli Zaretskii
2004-10-19 13:51                                                                             ` 'Bob Rossi'
2004-10-19 14:18                                                                               ` Daniel Jacobowitz
2004-10-19 19:28                                                                                 ` Bob Rossi
2004-10-19 20:17                                                                                 ` Eli Zaretskii
2004-10-06 18:43                               ` Andrew Cagney
2004-10-06 18:54                                 ` 'Bob Rossi'
2004-10-06 19:19                                   ` Andrew Cagney
2004-10-06 19:25                                     ` 'Bob Rossi'
2004-10-06 17:36                         ` Dave Korn
2004-10-06 17:51                         ` Paul Koning
2004-10-06 18:09                           ` Bob Rossi
2004-10-06 17:05                 ` Alain Magloire
2004-10-06 19:16 ` Andrew Cagney
2004-10-06 19:20   ` Bob Rossi
2004-10-06 20:10     ` Alain Magloire
2004-10-06 20:15       ` Bob Rossi
2004-10-06 20:13     ` Andrew Cagney
2004-10-08 10:28       ` Eli Zaretskii
2004-10-08 18:48         ` Daniel Jacobowitz
     [not found] <message on Sat, 21 Aug 2004 14:28:52 PDT from Felix Lee <felix.1@canids.net>
2004-08-22  2:55 ` GDB/XMI (XML Machine Interface) Felix Lee
2004-08-23  0:33   ` Bob Rossi
2004-08-23  9:27   ` Fabian Cenedese
     [not found] <1092177534.30930.ezmlm@sources.redhat.com>
2004-08-10 23:02 ` Jim Ingham
2004-08-10 20:14 Bob Rossi
2004-08-10 22:38 ` Kip Macy
2004-08-11  0:17 ` Michael Chastain
2004-08-11  7:36 ` Fabian Cenedese
2004-08-11  8:51 ` Nick NoSpam
2004-08-11 18:05 ` Bob Rossi
2004-08-11 19:26   ` Alain Magloire
2004-08-11 22:35     ` Jason Molenda
2004-08-12 13:03       ` Nick NoSpam
2004-08-19 23:49 ` Bob Rossi
2004-08-20  7:09   ` Chris Friesen
2004-08-20 12:47     ` Bob Rossi
2004-07-29  5:10 breaking at for-loop test line Allen Hopkins
2004-07-29 16:29 ` Daniel Jacobowitz
2004-07-29 18:58   ` Andre Ancelin
2004-07-30 11:32   ` Eli Zaretskii
2004-08-03 19:21     ` Daniel Jacobowitz
2004-08-03 20:09       ` Andrew Cagney
2004-08-03 20:21         ` Daniel Jacobowitz
2004-07-25  1:18 [proposal/testsuite] require build == host Michael Chastain
2004-07-25  1:52 ` Felix Lee
2004-07-25  2:43   ` Daniel Jacobowitz
     [not found]     ` <drow@false.org>
2004-07-25 22:36       ` Felix Lee
2004-07-26 18:07         ` Michael Chastain
2004-07-27  4:41           ` Felix Lee
2004-07-29 22:21       ` breaking at for-loop test line Felix Lee
2004-07-30  8:23         ` Baurjan Ismagulov
     [not found]           ` <ibr@ata.cs.hun.edu.tr>
2004-07-30 10:46             ` Felix Lee
2004-08-03 18:53               ` Daniel Jacobowitz
2004-08-20 19:06       ` GDB/XMI (XML Machine Interface) Felix Lee
2004-08-20 19:09         ` Daniel Jacobowitz
2004-08-20 19:20       ` Felix Lee
2004-08-21 12:37         ` Bob Rossi
2004-10-04 19:05       ` gdbserver, sysroot, prelink Felix Lee
2004-10-04 19:24         ` Daniel Jacobowitz
2004-10-05 13:03           ` Andrew Cagney
2004-10-05 13:52             ` Daniel Jacobowitz
2004-10-05 13:53       ` Felix Lee
2004-10-06 17:58       ` GDB/MI snapshots between major release's Felix Lee
2004-10-29  8:32       ` backtrace changes current source location Felix Lee
2004-07-25  7:59 ` [proposal/testsuite] require build == host Eli Zaretskii
2004-07-27  0:45 ` Andrew Cagney
2004-07-27  2:31   ` Michael Chastain
2004-07-27  4:16     ` Eli Zaretskii
2004-07-27 15:32     ` Andrew Cagney
2004-07-27 15:50       ` Christopher Faylor
2004-07-27 21:17       ` Michael Chastain

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