Re: 23.0.60; Indic Script is not rendered properly

[Manoj Srivastava <srivasta@ieee.org>]

On Thu, 29 May 2008 13:53:06 +0900, Kenichi Handa <handa@m17n.org> said: 

> When Emacs stops at Ffont_shape_text, please use n(ext) command to
> step one line by one, and check where the function return.

        It seems to return at the end. Edited transcript follows.

        manoj
======================================================================
(gdb) break Ffont_shape_text
Breakpoint 1 at 0x552dd0: file /usr/local/git/emacs/src/font.c, line 3866.
(gdb) run
[Thread debugging using libthread_db enabled]
[New Thread 0x7fc73c6c4780 (LWP 5419)]
[Switching to Thread 0x7fc73c6c4780 (LWP 5419)]

Breakpoint 1, Ffont_shape_text (from=200, to=240, font_object=75047108,
string=10797201) at /usr/local/git/emacs/src/font.c:3866 



  <---- End of function break ---->
(gdb) break /usr/local/git/emacs/src/font.c:3989
Breakpoint 2 at 0x5533a5: file /usr/local/git/emacs/src/font.c, line 3989.

  <---- Intermediate returns ---->
(gdb) break /usr/local/git/emacs/src/font.c:3905
Breakpoint 3 at 0x552e0f: file /usr/local/git/emacs/src/font.c, line 3905.


3902       gstring = Fvconcat (2, args);
3903     }
3904   if (! INTEGERP (n) || XINT (n) == 0)
3905     return Qnil;
3906   len = XINT (n);
3907 

  <---- Intermediate returns ---->
(gdb) break /usr/local/git/emacs/src/font.c:3870
Breakpoint 4 at 0x552e8c: file /usr/local/git/emacs/src/font.c, line 3870.
(gdb) break /usr/local/git/emacs/src/font.c:3867
Breakpoint 6 at 0x552e7b: file /usr/local/git/emacs/src/font.c, line 3867.


3861   struct font_metrics metrics;
3862   EMACS_INT start, end;
3863   Lisp_Object gstring, n;
3864   int len, i;
3865 
3866   if (! FONT_OBJECT_P (font_object))
3867     return Qnil;
3868   font = XFONT_OBJECT (font_object);
3869   if (! font->driver->shape)
3870     return Qnil;
3871 


(gdb) cont
Breakpoint 2, Ffont_shape_text (from=232, to=240, font_object=75047108,
string=10797201) at /usr/local/git/emacs/src/font.c:3989 
(gdb) 

3985       else
3986         i = j;
3987     }
3988 
3989   return to;
3990 }
3991 

-- 
"Every institution I've ever been associated with has tried to screw
me." Stephen Wolfram
Manoj Srivastava <srivasta@acm.org> <http://www.golden-gryphon.com/>  
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