define-key acting strange..

define-key acting strange..

[D. Goel]

on my QVT/Term (info on the settings available in the parent-mail..)

I do an emacs -q -no-site-file, and eval'ing the following expression
It evals just fine, giving [z] as the result, but now:

Emacs is completely frozen...  viz. it beeps at everything, including
ESC and C-g and C-z... and C-g C-g and all other self-insert chars
etc..  and all i can do is kill the session..


here's that expression:
(progn
  (define-key key-translation-map [a] [A])
  (define-key key-translation-map [b] [B])
  (define-key key-translation-map [c] [C])
  (define-key key-translation-map [d] [D])
  (define-key key-translation-map [e] [E])
  (define-key key-translation-map [f] [F])
  (define-key key-translation-map [g] [G])
  (define-key key-translation-map [h] [H])
  (define-key key-translation-map [i] [I])
  (define-key key-translation-map [j] [J])
  (define-key key-translation-map [k] [K])
  (define-key key-translation-map [l] [L])
  (define-key key-translation-map [m] [M])
  (define-key key-translation-map [n] [N])
  (define-key key-translation-map [o] [O])
  (define-key key-translation-map [p] [P])
  (define-key key-translation-map [q] [Q])
  (define-key key-translation-map [r] [R])
  (define-key key-translation-map [s] [S])
  (define-key key-translation-map [t] [T])
  (define-key key-translation-map [u] [U])
  (define-key key-translation-map [v] [V])
  (define-key key-translation-map [w] [W])
  (define-key key-translation-map [x] [X])
  (define-key key-translation-map [y] [Y])
  (define-key key-translation-map [z] [Z])

  (define-key key-translation-map [A] [a])
  (define-key key-translation-map [B] [b])
  (define-key key-translation-map [C] [c])
  (define-key key-translation-map [D] [d])
  (define-key key-translation-map [E] [e])
  (define-key key-translation-map [F] [f])
  (define-key key-translation-map [G] [g])
  (define-key key-translation-map [H] [h])
  (define-key key-translation-map [I] [i])
  (define-key key-translation-map [J] [j])
  (define-key key-translation-map [K] [k])
  (define-key key-translation-map [L] [l])
  (define-key key-translation-map [M] [m])
  (define-key key-translation-map [N] [n])
  (define-key key-translation-map [O] [o])
  (define-key key-translation-map [P] [p])
  (define-key key-translation-map [Q] [q])
  (define-key key-translation-map [R] [r])
  (define-key key-translation-map [S] [s])
  (define-key key-translation-map [T] [t])
  (define-key key-translation-map [U] [u])
  (define-key key-translation-map [V] [v])
  (define-key key-translation-map [W] [w])
  (define-key key-translation-map [X] [x])
  (define-key key-translation-map [Y] [y])
  (define-key key-translation-map [Z] [z])
  )



Your bug report will be posted to the bug-gnu-emacs@gnu.org mailing list,
and to the gnu.emacs.bug news group.

In GNU Emacs 21.1.3 (alphaev56-dec-osf4.0f, X toolkit, Xaw3d scroll bars)
 of 2001-10-30 on shorty.csc.umd.edu
configured using `configure  --prefix=/usr/local/gnu --infodir=/usr/local/gnu/info/emacs-21.1 --with-kerberos --with-x --with-x-toolkit=yes --with-xpm --with-jpeg --with-tiff --with-gif --with-png'
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: nil
  locale-coding-system: nil
  default-enable-multibyte-characters: t



Recent input:
C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n 
C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n 
C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n 
C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n 
C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n 
C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n ESC 
w = ESC x r e p o r t - e m a c s - b u g TAB RET

Recent messages:
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Mark set
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on my QVT/Term (info on the settings av"

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> > > ====================================================
BTW, when i start emacs -q -no-site-file, here are the values of these
various parameters:


keyboard-translate-table
nil

extra-keyboard-modifiers
0

key-translation-map
(keymap (24 keymap (56 . iso-transl-ctl-x-8-map)))

function-key-map
(keymap (27 keymap (91 keymap (54 keymap (126 . [next])) (53 keymap
(126 . [prior])) (52 keymap (126 . [select])) (51 keymap (52 keymap
(126 . [f20])) (51 keymap (126 . [f19])) (50 keymap (126 . [f18])) (49
keymap (126 . [f17])) (126 . [delete])) (50 keymap (57 keymap (126
. [menu])) (56 keymap (126 . [help])) (54 keymap (126 . [f14])) (53
keymap (126 . [f13])) (52 keymap (126 . [f12])) (51 keymap (126
. [27])) (49 keymap (126 . [f10])) (48 keymap (126 . [f9])) (126
. [insert])) (49 keymap (57 keymap (126 . [f8])) (56 keymap (126
. [f7])) (55 keymap (126 . [f6])) (53 keymap (126 . [f5])) (52 keymap
(126 . [f4])) (51 keymap (126 . [f3])) (50 keymap (126 . [f2])) (49
keymap (126 . [f1])) (126 . [find]))) (79 keymap (121 . [kp-9]) (120
. [kp-8]) (119 . [kp-7]) (118 . [kp-6]) (117 . [kp-5]) (116 . [kp-4])
(115 . [kp-3]) (114 . [kp-2]) (113 . [kp-1]) (112 . [kp-0]) (111
. [kp-divide]) (110 . [kp-decimal]) (109 . [kp-subtract]) (77
. [kp-enter]) (108 . [kp-separator]) (107 . [kp-add]) (106
. [kp-multiply]) (73 . [kp-tab]) (83 . [kp-f4]) (82 . [kp-f3]) (81
. [kp-f2]) (80 . [kp-f1]) (66 . [down]) (67 . [right]) (65 . [up]) (68
. [left]))) (kp-equal . [61]) (kp-divide . [47]) (kp-decimal . [46])
(kp-subtract . [45]) (kp-separator . [44]) (kp-add . [43])
(kp-multiply . [42]) (kp-enter . [13]) (kp-tab . [9]) (kp-space
. [32]) (kp-9 . [57]) (kp-8 . [56]) (kp-7 . [55]) (kp-6 . [54]) (kp-5
. [53]) (kp-4 . [52]) (kp-3 . [51]) (kp-2 . [50]) (kp-1 . [49]) (kp-0
. [48]) (24 keymap (64 keymap (99 . event-apply-control-modifier) (83
. event-apply-shift-modifier) (97 . event-apply-alt-modifier) (109
. event-apply-meta-modifier) (115 . event-apply-super-modifier) (104
. event-apply-hyper-modifier))) (C-S-kp-9 . [C-S-prior]) (C-S-kp-8
. [C-S-up]) (C-S-kp-7 . [C-S-home]) (C-S-kp-6 . [C-S-right]) (C-S-kp-4
. [C-S-left]) (C-S-kp-3 . [C-S-next]) (C-S-kp-2 . [C-S-down])
(C-S-kp-1 . [C-S-end]) (S-kp-9 . [S-prior]) (S-kp-8 . [S-up]) (S-kp-7
. [S-home]) (S-kp-6 . [S-right]) (S-kp-4 . [S-left]) (S-kp-3
. [S-next]) (S-kp-2 . [S-down]) (S-kp-1 . [S-end]) (C-S-kp-prior
. [C-S-prior]) (C-S-kp-up . [C-S-up]) (C-S-kp-home . [C-S-home])
(C-S-kp-right . [C-S-right]) (C-S-kp-left . [C-S-left]) (C-S-kp-next
. [C-S-next]) (C-S-kp-down . [C-S-down]) (C-S-kp-end . [C-S-end])
(S-kp-prior . [S-prior]) (S-kp-up . [S-up]) (S-kp-home . [S-home])
(S-kp-right . [S-right]) (S-kp-left . [S-left]) (S-kp-next . [S-next])
(S-kp-down . [S-down]) (S-kp-end . [S-end]) (kp-delete . [127])
(delete . [127]) (backspace . [127]) (kp-insert . [insert]) (kp-begin
. [begin]) (kp-end . [end]) (M-kp-next . [M-next]) (kp-next . [next])
(kp-prior . [prior]) (kp-down . [down]) (kp-right . [right]) (kp-up
. [up]) (kp-left . [left]) (kp-home . [home]))

Re: define-key acting strange..

[D. Goel]

my bad.. i withdraw this report.. 
i was using [O] where i should have used "O" or [?O], as pointed out
by Kalle..

i am still curious why emacs froze though..



D				   <http://www.glue.umd.edu/~deego/>
-- 
(rot13 FSF)
=>     SFS

Re: define-key acting strange..

[Richard Stallman]

    i am still curious why emacs froze though..

Would you like to use GDB and investigate?

Re: define-key acting strange..

[D. Goel]

RMS 

>     i am still curious why emacs froze though..
> 
> Would you like to use GDB and investigate?

Sure.   will do.  


BTW, anyone seeing this mail----did anyone reproduce this effect on
their keyboards? --- emacs getting frozen upon eval'ing that
expression...



D				   <http://www.glue.umd.edu/~deego/>
-- 
Say no to gifs..
 http://www.gnu.org/philosophy/gif.html

Re: define-key acting strange..

[D. Goel]

The 'emacs-freezing' problem--->

Summary: No bug here.. report closed :)

====================================================

> >     i am still curious why emacs froze though..
> > 
> > RMS: Would you like to use GDB and investigate?
> 
> Sure.   will do.  


Upon further investigation :) , 

Recap: this was a 'side-issue' in a differnet bug-report.. the
question was why a certain expression[1], which mapped a lot of
*function-keys* into each other, seemed to freeze Emacs. 

It now seems that Emacs is not really frozen. It is just that all (all
that i tried) of the C- commands, M- commands and number-keys beep at
you... whereas other self-insert characters like ?a--?z still seem to
self-insert..  As for the keys that stop working, well, i should not
expect any better when i am doing such a huge mapping of the
function-keys, and surely they must be somehow related to that
mapping..  Therefore, IMHO, there's is no bug-report here...


[1] the expression being: 
(progn
  (define-key key-translation-map [a] [A])
  (define-key key-translation-map [b] [B])
  (define-key key-translation-map [c] [C])
  (define-key key-translation-map [d] [D])
  (define-key key-translation-map [e] [E])
  (define-key key-translation-map [f] [F])
  (define-key key-translation-map [g] [G])
  (define-key key-translation-map [h] [H])
  (define-key key-translation-map [i] [I])
  (define-key key-translation-map [j] [J])
  (define-key key-translation-map [k] [K])
  (define-key key-translation-map [l] [L])
  (define-key key-translation-map [m] [M])
  (define-key key-translation-map [n] [N])
  (define-key key-translation-map [o] [O])
  (define-key key-translation-map [p] [P])
  (define-key key-translation-map [q] [Q])
  (define-key key-translation-map [r] [R])
  (define-key key-translation-map [s] [S])
  (define-key key-translation-map [t] [T])
  (define-key key-translation-map [u] [U])
  (define-key key-translation-map [v] [V])
  (define-key key-translation-map [w] [W])
  (define-key key-translation-map [x] [X])
  (define-key key-translation-map [y] [Y])
  (define-key key-translation-map [z] [Z])

  (define-key key-translation-map [A] [a])
  (define-key key-translation-map [B] [b])
  (define-key key-translation-map [C] [c])
  (define-key key-translation-map [D] [d])
  (define-key key-translation-map [E] [e])
  (define-key key-translation-map [F] [f])
  (define-key key-translation-map [G] [g])
  (define-key key-translation-map [H] [h])
  (define-key key-translation-map [I] [i])
  (define-key key-translation-map [J] [j])
  (define-key key-translation-map [K] [k])
  (define-key key-translation-map [L] [l])
  (define-key key-translation-map [M] [m])
  (define-key key-translation-map [N] [n])
  (define-key key-translation-map [O] [o])
  (define-key key-translation-map [P] [p])
  (define-key key-translation-map [Q] [q])
  (define-key key-translation-map [R] [r])
  (define-key key-translation-map [S] [s])
  (define-key key-translation-map [T] [t])
  (define-key key-translation-map [U] [u])
  (define-key key-translation-map [V] [v])
  (define-key key-translation-map [W] [w])
  (define-key key-translation-map [X] [x])
  (define-key key-translation-map [Y] [y])
  (define-key key-translation-map [Z] [z])
  )

Re: define-key acting strange..

[Richard Stallman]

    It now seems that Emacs is not really frozen. It is just that all (all
    that i tried) of the C- commands, M- commands and number-keys beep at
    you...

I see no reason why those bindings in key-translation-map SHOULD have this
effect, so I think it is really an Emacs bug.  Would you please pick
one character -- how about Ctrl-a? -- and determine exactly why it is not
recognized?  These bindings in key-translation-map ought to have no effect
on the processing of Ctrl-a.

Re: define-key acting strange..

[D. Goel]

RMS

>     It now seems that Emacs is not really frozen. It is just that all (all
>     that i tried) of the C- commands, M- commands and number-keys beep at
>     you...
> 
> I see no reason why those bindings in key-translation-map SHOULD have this
> effect, so I think it is really an Emacs bug.  Would you please pick
> one character -- how about Ctrl-a? -- and determine exactly why it is not
> recognized?  These bindings in key-translation-map ought to have no effect
> on the processing of Ctrl-a.


okay, i shall do as you suggested.  


To the list: BTW, this 'gdb emacs' will be a huge learning curve for
me, and i will bug folks (is this the right forum or should i try
g.e.help?) for help.. instead, if a GDB expert would like to pick this
bug-report up, that would be cool :).. 

If not, here's the first snafu i ran into (i get to my umd.edu unix
account through an ssh over QVT/Term on win2000)---->

+----
| 
| student1:~: cd emacs
| student1:~/emacs: cd src
| student1:~/emacs/src: gdb /usr/local/gnu/bin/emacs21
| GNU gdb 4.18
| Copyright 1998 Free Software Foundation, Inc.
| GDB is free software, covered by the GNU General Public License, and
| you are
| welcome to change it and/or distribute copies of it under certain
| conditions.
| Type "show copying" to see the conditions.
| There is absolutely no warranty for GDB.  Type "show warranty" for
| details.
| This GDB was configured as "alpha-dec-osf4.0b"...
| Environment variable "DISPLAY" not defined.
| TERM = vt220
| Breakpoint 1 at 0x1201186e8: file emacs.c, line 389.
| Breakpoint 2 at 0x1200ed824: file xterm.c, line 12015.
| (gdb)
| 
+----
  
gdb seems to have stopped..  typing 'continue' doesn't help :(.. is
this because i don't have display available?  But i can't run Xwindows
here.. :(

BTW, This directory emacs/src above is indeed the directory from
emacs21 is built.. this is the one containing dired.c, for
example.. and if i chase links, its fullname is:
student1:/afs/glue.umd.edu/project/glue/e/emacs/21.1/emacs-21.1/src: 



the problem above seems pretty emacs-source specific.. but if this it
OT, apologies..




D				   <http://www.glue.umd.edu/~deego/>
-- 

Re: define-key acting strange..

[D. Goel]

( A quick update before i go away for the long
weekend.. to... Maryland!!!.. )..


All of the problem was being caused by the one line in that
expression:  (guess i will have to wait another day to learn GDB :)


 (define-key [t] <foo>).. and that <foo> could be anything ..

Emacs is not frozen.. 'tis just that this line has the effect of
adding a (t . <foo>) to your keymap <-- Whether this result is a bug
or not, i am not sure..

Now depending on <foo> and the other bindings in the
key-translation-map, one might end up effectively getting a 'frozen'
emacs..

Consider this expression: (this is how i first traced that
                                      (not-really-a-)bug..)


(progn
  (message "DOING")
  (define-key key-translation-map [t] "f")
  (define-key key-translation-map "u" "v")
  (message "DONE")
  (goto-char (point-max))
  (insert (format "%s" key-translation-map))
  (write-file "~/gg.gg")
  )



After eval'ing this, key-translation-map looks like this: 
 (keymap (117 . v) (t . f) (24 keymap (56 . iso-transl-ctl-x-8-map)))


(117 is u...)..  Once you have this keymap, *everything* you type
inserts a f, except when you type u, which inserts v.  So, everything
is happening in accordance with key-translation-map, IMHO.
In the original expression, everything was getting mapped to
[T]... which just beeped at us .. what is [T] ?

BTW, up-arrow inserts 3 f's... guess why ? :) up-->ESC O A --> f f f  


Wishing a great weekend to all.. 

D				   <http://www.glue.umd.edu/~deego/>
-- 
Why don't *we* have congressmen like the one writing this!!! ---->
 http://www.gnu.org.pe/resmseng.html

Re: define-key acting strange..

[Andreas Schwab]

"D. Goel" <deego@glue.umd.edu> writes:

|> ( A quick update before i go away for the long
|> weekend.. to... Maryland!!!.. )..
|> 
|> 
|> All of the problem was being caused by the one line in that
|> expression:  (guess i will have to wait another day to learn GDB :)
|> 
|> 
|>  (define-key [t] <foo>).. and that <foo> could be anything ..

*Note (elisp)Format of Keymaps::.

`(t . BINDING)'
     This specifies a "default key binding"; any event not bound by
     other elements of the keymap is given BINDING as its binding.
     Default bindings allow a keymap to bind all possible event types
     without having to enumerate all of them.  A keymap that has a
     default binding completely masks any lower-precedence keymap.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE GmbH, Deutschherrnstr. 15-19, D-90429 Nürnberg
Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."

Re: define-key acting strange..

[Richard Stallman]

     (define-key [t] <foo>).. and that <foo> could be anything ..

    Emacs is not frozen.. 'tis just that this line has the effect of
    adding a (t . <foo>) to your keymap <-- Whether this result is a bug
    or not, i am not sure..

Yes, indeed, that default definition could cause such problems.
Mystery solved, I think.  Thanks.

Re: define-key acting strange..

[Thien-Thi Nguyen]

"D. Goel" <deego@glue.umd.edu> writes:

   gdb seems to have stopped..  typing 'continue' doesn't help :(.. is
   this because i don't have display available?  But i can't run Xwindows
   here.. :(

becuase you can futz w/ environment, gdb waits for an explicit command to
begin running the program.  try: r RET  -- after this C-c C-r works, too.

in C-h b, look for "gud-".  on my machine this shows a lot of C-c prefixes.

thi

Re: define-key acting strange..

[Eli Zaretskii]

> From: "D. Goel" <deego@glue.umd.edu>
> Date: 24 May 2002 01:31:31 -0400
> 
> To the list: BTW, this 'gdb emacs' will be a huge learning curve for
> me

The file etc/DEBUG in the distribution might help a lot.

> and i will bug folks (is this the right forum

Yes, this is the right forum for asking help in debugging Emacs
problems.

> | (gdb)
> | 
> +----
>   
> gdb seems to have stopped..  typing 'continue' doesn't help

Type "run -q" to start Emacs.

GDB stops because in many cases you would want to prepare the
debugging session: set breakpoints, add directories to the source
search list, set various GDB options, etc.

> BTW, This directory emacs/src above is indeed the directory from
> emacs21 is built

This is the right directory from where to run a debugging session.
In particular, the file .gdbinit there makes sure you have the
Emacs-specific GDB commands (such as xstring and pr) defined.