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Initial GUD integration for Guile

From: Jan Nieuwenhuizen
Subject: Initial GUD integration for Guile
Date: Tue, 5 Aug 2014 15:21:44 +0200

>From Jan Nieuwenhuizen <address@hidden> # This line is ignored.
Subject: Initial GUD support for Guile
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Here is an experimental patch for Guile to support GUD integration.  It
features a more friendly (more gdb-like) debug prompt for breakpoints
and stepping.  It has some rough edges, hopefully I overlooked some
simple things that can help clean it up.

Following is also its counterpart, a patch for Emacs' Grand Unified
Debugger (GUD).

I'm including gud-break.c that matches examples/gud-break.scm for
GUD (guile/gdb) operation comparison.

What do you think?

(There are of course more goodies to wish for after we can agree upon an
 initial integration).

Greetings, Jan

--- gud-break.c
  Comparing GDB/GUD with experimental Guile/GUD support for Guile REPL
  gcc -g --std=c99 -o gud-break gud-break.c 
  gdb gud-break, or using GUD: M-x gdb RET gud-break RET
  b main
  RET # repeats last command: `n'
#include <stdio.h>

main ()
  fprintf (stderr, "%s:%d:hello world\n", __FILE__, __LINE__);
    int a;
    int b;
    a = 1;
    fprintf (stderr, "set: a=%d\n", a);
    b = 2;
    fprintf (stderr, "set: b=%d\n", b);
      int c;
      int d;
      c = 3;
      fprintf (stderr, "set: c=%d\n", c);
      d = 4;
      fprintf (stderr, "set: d=%d\n", d);
    fprintf (stderr, "%s:%d:leaving...\n", __FILE__, __LINE__);
  fprintf (stderr, "%s:%d:goodbye world\n", __FILE__, __LINE__);
--- end

Jan Nieuwenhuizen <address@hidden> | GNU LilyPond http://lilypond.org
Freelance IT http://JoyofSource.com | AvatarĀ®  http://AvatarAcademy.nl  

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