bug#527: input-input-method / Many crashes / Japanese input

[David Reitter <david.reitter@gmail.com>]

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José,

I've added this patch and started a new build; please download at  
nightly build from about 12 noon Edinburgh time.

- David

On 4 Jul 2008, at 04:29, YAMAMOTO Mitsuharu wrote:

>>>>>> On Thu, 3 Jul 2008 11:45:07 +0100, David Reitter <david.reitter@gmail.com 
>>>>>> > said:
>
>> Begin forwarded message:
>
>>> From: "Jose Figueroa-O'Farrill" <j.m.figueroa@ed.ac.uk>
>>> Date: 3 July 2008 10:52:27 BST
>>> To: aquamacs-bugs@aquamacs.org
>>> Subject: [Aquamacs-bugs] Many crashes in 1.4
>>> Reply-To: j.m.figueroa@ed.ac.uk
>>>
>>>
>>> Hi,
>>>
>>> It's the third time that Aquamacs 1.4 crashes while typing.  This
>>> had not happened in a looooong time.  This time I managed to save  
>>> the
>>> crash report which I include below.  I'm afraid that I don't know  
>>> how
>>> to reproduce it.
>>>
>>> Cheers, José
>>>
>>>
>>> Date/Time:      2008-07-02 23:06:09.682 +0200
>>> OS Version:     10.4.11 (Build 8S165)
>>> Report Version: 4
>>>
>>> Command: Aquamacs Emacs
>>> Path:    /Applications/Aquamacs Emacs.app/Contents/MacOS/Aquamacs
>>> Emacs
>>> Parent:  WindowServer [62]
>>>
>>> Version: Aquamacs 1.4, GNU Emacs 22 ()
>>>
>>> PID:    14598
>>> Thread: 0
>>>
>>> Exception:  EXC_BAD_ACCESS (0x0001)
>>> Codes:      KERN_PROTECTION_FAILURE (0x0002) at 0x00000008
>>>
>>> Thread 0 Crashed:
>>> 0   org.gnu.AquamacsEmacs          	0x00175138
>>> mac_handle_text_input_event + 1720
> (snip)
>>> Thread 0 crashed with PPC Thread State 64:
>>> r4: 0x0000000000000000   r5: 0x00000000081f0800   r6:
>>> 0x0000000000000000   r7: 0x0000000000000059
>
> If your object file is not much different from mine, the crash seems
> to happen just before a call to Long2Fix.
>
> _mac_handle_text_input_event:
>
> +1708  00000a6c  81230008  lwz      r9,0x8(r3)
> +1712  00000a70  5402103a  rlwinm   r2,r0,2,0,29
> +1716  00000a74  7cc2482e  lwzx     r6,r2,r9
> +1720  00000a78  83a60008  lwz      r29,0x8(r6)
> +1724  00000a7c  2f9d0000  cmpwi    cr7,r29,0x0
> +1728  00000a80  419efe88  beq      cr7,0x908
> +1732  00000a84  807d0008  lwz      r3,0x8(r29)
> +1736  00000a88  48008959  bl       0x93e0           _Long2Fix
>
> Could you try the patch below?
>
> 				     YAMAMOTO Mitsuharu
> 				mituharu@math.s.chiba-u.ac.jp
>
> Index: src/mactoolbox.c
> ===================================================================
> RCS file: /cvsroot/emacs/emacs/src/mactoolbox.c,v
> retrieving revision 1.1.2.4
> diff -c -p -r1.1.2.4 mactoolbox.c
> *** src/mactoolbox.c	23 Apr 2008 08:56:20 -0000	1.1.2.4
> --- src/mactoolbox.c	4 Jul 2008 03:20:27 -0000
> *************** mac_handle_text_input_event (next_handle
> *** 575,581 ****
>  	    int hpos, vpos, x, y;
>  	    struct glyph_row *row;
>  	    struct glyph *glyph;
> ! 	    XFontStruct *font;
>
>  	    f = mac_focus_frame (&one_mac_display_info);
>  	    w = XWINDOW (f->selected_window);
> --- 575,581 ----
>  	    int hpos, vpos, x, y;
>  	    struct glyph_row *row;
>  	    struct glyph *glyph;
> ! 	    struct face *face;
>
>  	    f = mac_focus_frame (&one_mac_display_info);
>  	    w = XWINDOW (f->selected_window);
> *************** mac_handle_text_input_event (next_handle
> *** 600,608 ****
>  		   + row->visible_height
>  		   + f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f));
>
> ! 	    font = FACE_FROM_ID (f, glyph->face_id)->font;
> ! 	    if (font)
>  	      {
>  		Fixed point_size = Long2Fix (font->mac_fontsize);
>  		short height = row->visible_height;
>  		short ascent = row->ascent;
> --- 600,609 ----
>  		   + row->visible_height
>  		   + f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f));
>
> ! 	    face = FACE_FROM_ID (f, glyph->face_id);
> ! 	    if (face && face->font)
>  	      {
> + 		XFontStruct *font = face->font;
>  		Fixed point_size = Long2Fix (font->mac_fontsize);
>  		short height = row->visible_height;
>  		short ascent = row->ascent;
>


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