Re: Composing Hebrew diacriticals

[Yair F <yair.f.lists@gmail.com>]

On Wed, May 26, 2010 at 3:36 AM, Kenichi Handa <handa@m17n.org> wrote:
> Please run Emacs under gdb, set breakpoint at Fsignal, and
> find out which code causes the above error.

It's been a while since I last run gdb and never for Emacs. If you
need more information please specify the commands.

(gdb) run -Q -fn 'David CLM-20' --eval '(progn (setq-default
bidi-display-reordering t) (setq debug-on-error t) (message
"\u05E9\u05C2"))'
Starting program: /home/yair/emacs/src/emacs/trunk/src/emacs -Q -fn
'David CLM-20' --eval '(progn (setq-default bidi-display-reordering t)
(setq debug-on-error t) (message "\u05E9\u05C2"))'
[Thread debugging using libthread_db enabled]

Breakpoint 3, Fsignal (error_symbol=142100970, data=143920942) at eval.c:1686
1686      register struct handler *allhandlers = handlerlist;
(gdb) bt
#0  Fsignal (error_symbol=142100970, data=143920942) at eval.c:1686
#1  0x08301401 in xsignal (error_symbol=142100970, data=143920942) at
eval.c:1796
#2  0x08301467 in xsignal2 (error_symbol=142100970, arg1=142101594,
arg2=142070194) at eval.c:1820
#3  0x082dea27 in wrong_type_argument (predicate=0, value=5) at data.c:118
#4  0x082e612e in Faref (array=142070194, idx=0) at data.c:2215
#5  0x0837c054 in Fbyte_code (bytestr=140298249, vector=140343389,
maxdepth=8) at bytecode.c:980
#6  0x08305d62 in funcall_lambda (fun=140343341, nargs=1,
arg_vector=0xbfffa9a0) at eval.c:3260
#7  0x08305786 in apply_lambda (fun=140343341, args=140362406,
eval_flag=1) at eval.c:3184
#8  0x083035d1 in Feval (form=140362398) at eval.c:2456
#9  0x083001a8 in Flet (args=140362590) at eval.c:1072
#10 0x08302c6b in Feval (form=140362382) at eval.c:2361
#11 0x082fe7c0 in Fprogn (args=140363030) at eval.c:416
#12 0x08305c53 in funcall_lambda (fun=140363046, nargs=1,
arg_vector=0xbfffad94) at eval.c:3253
#13 0x08305606 in Ffuncall (nargs=2, args=0xbfffad90) at eval.c:3130
#14 0x0837afb2 in Fbyte_code (bytestr=140347985, vector=140348053,
maxdepth=24) at bytecode.c:680
#15 0x08305d62 in funcall_lambda (fun=140347925, nargs=5,
arg_vector=0xbfffb1e0) at eval.c:3260
#16 0x08305541 in Ffuncall (nargs=6, args=0xbfffb1dc) at eval.c:3119
#17 0x083010a8 in internal_condition_case_n (bfun=0x8304689
<Ffuncall>, nargs=6, args=0xbfffb1dc, handlers=142070218,
hfun=0x808f2b6 <safe_eval_handler>) at eval.c:1656
#18 0x0808f358 in safe_call (nargs=6, args=0xbfffb1dc) at xdisp.c:2454
#19 0x083b2c39 in autocmp_chars (rule=144490029, charpos=1, bytepos=1,
limit=3, win=0x8b1dc70, face=0x8b10940, string=142070194) at
composite.c:991
#20 0x083b57d4 in composition_reseat_it (cmp_it=0xbfffdab8, charpos=1,
bytepos=1, endpos=3, w=0x8b1dc70, face=0x8b10940, string=142070194) at
composite.c:1321
#21 0x0809ddf5 in next_element_from_buffer (it=0xbfffd600) at xdisp.c:6984
#22 0x0809a219 in get_next_display_element (it=0xbfffd600) at xdisp.c:5886
#23 0x0809e56a in move_it_in_display_line_to (it=0xbfffd600,
to_charpos=3, to_x=-1, op=MOVE_TO_POS) at xdisp.c:7246
#24 0x0809fcdd in move_it_to (it=0xbfffd600, to_charpos=3, to_x=-1,
to_y=-1, to_vpos=-1, op=8) at xdisp.c:7747
#25 0x080a5704 in resize_mini_window (w=0x8b1dc70, exact_p=0) at xdisp.c:9242
#26 0x080a4ed0 in display_echo_area_1 (a1=145874032, a2=142070194,
a3=0, a4=0) at xdisp.c:9105
#27 0x080a3aba in with_echo_area_buffer (w=0x8b1dc70, which=0,
fn=0x80a4eaa <display_echo_area_1>, a1=145874032, a2=142070194, a3=0,
a4=0) at xdisp.c:8892
#28 0x080a4e78 in display_echo_area (w=0x8b1dc70) at xdisp.c:9073
#29 0x080a6a13 in echo_area_display (update_frame_p=1) at xdisp.c:9671
#30 0x080a2716 in message3_nolog (m=145559521, nbytes=4, multibyte=1)
at xdisp.c:8568
#31 0x080a21e4 in message3 (m=145559521, nbytes=4, multibyte=1) at xdisp.c:8503
#32 0x082f68ff in Fmessage (nargs=1, args=0xbfffe070) at editfns.c:3418
#33 0x08302e13 in Feval (form=143921278) at eval.c:2387
#34 0x082fe7c0 in Fprogn (args=143921262) at eval.c:416
#35 0x08302c6b in Feval (form=143921350) at eval.c:2361
#36 0x08304fbf in Ffuncall (nargs=2, args=0xbfffe320) at eval.c:3073
#37 0x0837afb2 in Fbyte_code (bytestr=140089481, vector=140089957,
maxdepth=40) at bytecode.c:680
#38 0x08305d62 in funcall_lambda (fun=140089453, nargs=1,
arg_vector=0xbfffe614) at eval.c:3260
#39 0x08305541 in Ffuncall (nargs=2, args=0xbfffe610) at eval.c:3119
#40 0x0837afb2 in Fbyte_code (bytestr=140072329, vector=140073261,
maxdepth=28) at bytecode.c:680
#41 0x08305d62 in funcall_lambda (fun=140072309, nargs=0,
arg_vector=0xbfffe8f4) at eval.c:3260
#42 0x08305541 in Ffuncall (nargs=1, args=0xbfffe8f0) at eval.c:3119
#43 0x0837afb2 in Fbyte_code (bytestr=140069033, vector=140069253,
maxdepth=24) at bytecode.c:680
#44 0x08305d62 in funcall_lambda (fun=140069013, nargs=0,
arg_vector=0xbfffeb20) at eval.c:3260
#45 0x08305786 in apply_lambda (fun=140069013, args=142070194,
eval_flag=1) at eval.c:3184
#46 0x083035d1 in Feval (form=142425222) at eval.c:2456
#47 0x0823350a in top_level_2 () at keyboard.c:1365
#48 0x08300d82 in internal_condition_case (bfun=0x82334f7
<top_level_2>, handlers=142100922, hfun=0x8232fe7 <cmd_error>) at
eval.c:1510
#49 0x08233541 in top_level_1 () at keyboard.c:1373
#50 0x083007bf in internal_catch (tag=142099042, func=0x823350c
<top_level_1>, arg=142070194) at eval.c:1246
#51 0x0823347a in command_loop () at keyboard.c:1328
#52 0x082326ee in recursive_edit_1 () at keyboard.c:950
#53 0x08232c0b in Frecursive_edit () at keyboard.c:1012
#54 0x0823088c in main (argc=6, argv=0xbffff324) at emacs.c:1801

Lisp Backtrace:
"lgstring-header" (0xbfffa9a0)
"let" (0xbfffac2c)
"hebrew-shape-gstring" (0xbfffad94)
"auto-compose-chars" (0xbfffb1e0)
"message" (0xbfffe070)
"progn" (0xbfffe22c)
"eval" (0xbfffe324)
"command-line-1" (0xbfffe614)
"command-line" (0xbfffe8f4)
"normal-top-level" (0xbfffeb20)