Re: A very strange thing about Emacs working with flyspell!

[Hongsheng]

> Ok, then how about setting break point as this:
> 
> (gdb) br create_frame_xic
> 
> and use "s" command to step into the function
> xic_create_fontset.

I use "s" and "n" commands alternatively, the following is my results.

BTW, I'm a layman about GDB.

==========
address@hidden:~$ cd cvs-svn/emacs/
address@hidden:~/cvs-svn/emacs$ cd src/
address@hidden:~/cvs-svn/emacs/src$ gdb emacs
GNU gdb 6.4.90-debian
Copyright (C) 2006 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 "i486-linux-gnu"...Using host libthread_db
library "/lib/tls/i686/cmov/libthread_db.so.1".

DISPLAY = :0.0
TERM = xterm
Breakpoint 1 at 0x81035b6: file emacs.c, line 464.
Breakpoint 2 at 0x811c3c6: file sysdep.c, line 1385.
(gdb) br create_frame_xic
Breakpoint 3 at 0x80e2319: file xfns.c, line 2238.
(gdb) run --enable-font-backend
Starting program: /media/hdb6/MyHomeFiles/cvs-svn/emacs/src/emacs
--enable-font-backend
[Thread debugging using libthread_db enabled]
[New Thread -1219709264 (LWP 20555)]
[Switching to Thread -1219709264 (LWP 20555)]
Breakpoint 4 at 0x80d6f16: file xterm.c, line 8047.

Breakpoint 3, create_frame_xic (f=0x8bbfe28) at xfns.c:2238
2238    {
(gdb) s
2243      if (FRAME_XIC (f))
(gdb) s
2247      xfs = xic_create_xfontset
(gdb) s
fontset_ascii (id=2) at fontset.c:917
917     {
(gdb) s
921       elt = FONTSET_ASCII (fontset);
(gdb) s
917     {
(gdb) s
921       elt = FONTSET_ASCII (fontset);
(gdb) s
923       if (CONSP (elt))
(gdb) s
929     }
(gdb) s
xic_create_xfontset (f=0x8bbfe28, 
    base_fontname=0x876da60
"-Adobe-Courier-Medium-R-Normal--14-140-75-75-M-90-ISO8859-1") at
xfns.c:2103
2103      if (!base_fontname)
(gdb) s
2096    {
(gdb) s
2098      char **missing_list = NULL;
(gdb) s
2103      if (!base_fontname)
(gdb) s
2107      FOR_EACH_FRAME (rest, frame)
(gdb) s
2109          struct frame *cf = XFRAME (frame);
(gdb) s
2110          if (cf != f && FRAME_LIVE_P (f) && FRAME_X_P (cf)
(gdb) s
2122          char *fontsetname = xic_create_fontsetname (base_fontname,
False);
(gdb) s
xic_create_fontsetname (
    base_fontname=0x876da60
"-Adobe-Courier-Medium-R-Normal--14-140-75-75-M-90-ISO8859-1", motif=0) at
xfns.c:1972
1972      const char *sep = motif ? ";" : ",";
(gdb) s
1971    {
(gdb) s
1972      const char *sep = motif ? ";" : ",";
(gdb) s
1971    {
(gdb) s
1972      const char *sep = motif ? ";" : ",";
(gdb) s
1976      if (xic_defaut_fontset == base_fontname)
(gdb) s
1993          for (i = 0; *p; p++)
(gdb) s
1981          strcpy (fontsetname, base_fontname);
(gdb) s
1993          for (i = 0; *p; p++)
(gdb) s
1994            if (*p == '-') i++;
(gdb) s
1993          for (i = 0; *p; p++)
(gdb) s
1994            if (*p == '-') i++;
(gdb) s
1993          for (i = 0; *p; p++)
(gdb) s
1994            if (*p == '-') i++;
(gdb) s
1993          for (i = 0; *p; p++)
(gdb) s
1994            if (*p == '-') i++;
(gdb) s
1993          for (i = 0; *p; p++)
(gdb) s
1994            if (*p == '-') i++;
(gdb) s
1993          for (i = 0; *p; p++)
(gdb) s
1994            if (*p == '-') i++;
(gdb) s
1993          for (i = 0; *p; p++)
(gdb) s
1994            if (*p == '-') i++;
(gdb) s
1993          for (i = 0; *p; p++)
(gdb) s
1994            if (*p == '-') i++;
(gdb) s
1993          for (i = 0; *p; p++)
(gdb) s
1994            if (*p == '-') i++;
(gdb) set args
(gdb) run --enable-font-backend -fn "Dejavu Sans Mono-14"
The program being debugged has been started already.
Start it from the beginning? (y or n) y

Starting program: /media/hdb6/MyHomeFiles/cvs-svn/emacs/src/emacs
--enable-font-backend -fn "Dejavu Sans Mono-14"
[Thread debugging using libthread_db enabled]
[New Thread -1220417872 (LWP 20590)]
[Switching to Thread -1220417872 (LWP 20590)]

Breakpoint 3, create_frame_xic (f=0x8bbfe28) at xfns.c:2238
2238    {
(gdb) n
2243      if (FRAME_XIC (f))
(gdb) n
2247      xfs = xic_create_xfontset
(gdb) n
2251      xim = FRAME_X_XIM (f);
(gdb) n
2252      if (xim)
(gdb) n
2251      xim = FRAME_X_XIM (f);
(gdb) n
2252      if (xim)
(gdb) n
2251      xim = FRAME_X_XIM (f);
(gdb) n
2252      if (xim)
(gdb) n
2263          if (xic_style == 0)
(gdb) n
2259          s_area.x = 0; s_area.y = 0; s_area.width = 1; s_area.height =
1;
(gdb) n
2263          if (xic_style == 0)
(gdb) n
2259          s_area.x = 0; s_area.y = 0; s_area.width = 1; s_area.height =
1;
(gdb) n
2260          spot.x = 0; spot.y = 1;
(gdb) n
2263          if (xic_style == 0)
(gdb) n
2269              xic_style = best_xim_style (&supported_list,
(gdb) n
2223        for (j = 0; j < xim->count_styles; ++j)
(gdb) n
2224          if (user->supported_styles[i] == xim->supported_styles[j])
(gdb) n
2223        for (j = 0; j < xim->count_styles; ++j)
(gdb) n
2224          if (user->supported_styles[i] == xim->supported_styles[j])
(gdb) s
2223        for (j = 0; j < xim->count_styles; ++j)
(gdb) s
2224          if (user->supported_styles[i] == xim->supported_styles[j])
(gdb) s
2223        for (j = 0; j < xim->count_styles; ++j)
(gdb) s
2224          if (user->supported_styles[i] == xim->supported_styles[j])
(gdb) s
2223        for (j = 0; j < xim->count_styles; ++j)
(gdb) s
2224          if (user->supported_styles[i] == xim->supported_styles[j])
(gdb) s
2223        for (j = 0; j < xim->count_styles; ++j)
(gdb) s
2224          if (user->supported_styles[i] == xim->supported_styles[j])
(gdb) s
2223        for (j = 0; j < xim->count_styles; ++j)
(gdb) s
2222      for (i = 0; i < user->count_styles; ++i)
(gdb) s
2223        for (j = 0; j < xim->count_styles; ++j)
(gdb) s
2224          if (user->supported_styles[i] == xim->supported_styles[j])
(gdb) s
2269              xic_style = best_xim_style (&supported_list,
(gdb) s
2273          preedit_attr = XVaCreateNestedList (0,
(gdb) s
s
2284          status_attr = XVaCreateNestedList (0,
(gdb) s
2273          preedit_attr = XVaCreateNestedList (0,
(gdb) s
2284          status_attr = XVaCreateNestedList (0,
(gdb) s
2295          xic = XCreateIC (xim,
(gdb) s
s
^[2302        XFree (preedit_attr);
(gdb) s
2303          XFree (status_attr);
(gdb) n
2306      FRAME_XIC (f) = xic;
(gdb) n
2307      FRAME_XIC_STYLE (f) = xic_style;
(gdb) n
2308      FRAME_XIC_FONTSET (f) = xfs;
(gdb) n
2309    }
(gdb) 
==========

Best,
Hongsheng.
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