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Font lock in GUD buffer

From: Nick Roberts
Subject: Font lock in GUD buffer
Date: Thu, 17 Jan 2008 13:19:12 +1300

I would like to be able to vist file locations from the GUD buffer.

By way of illustration consider a program myprog compiled with -g3 (macro
information) and with the header math.h included:

(gdb) start
Breakpoint 1 at 0x80485bb: file myprog.c, line 83.
Starting program: /home/nickrob/myprog 
main (argc=1, argv=0xbfe13914) at myprog.c:83
(gdb) info macro M_PI
Defined at /usr/include/math.h:355
  included at /home/nickrob/myprog.c:4
#define M_PI 3.14159265358979323846

If you do "M-x compilation-minor-mode" the locations myprog.c:83,
/usr/include/math.h:355 and /home/nickrob/myprog.c:4 are in red and underlined.
If you click on them you can visit them in another buffer.  Of course, you have
to turn off compilation-minor-mode to continue the debug session.  Also when
you do this you find that the mouse-face and help-echo have disappeared from
previous input commands, presumably due to some interaction with

Does anyone know how to do this cleanly?

Nick                                           http://www.inet.net.nz/~nickrob

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