GUD GDB integration

[Juan Rafael García Blanco]

Hi all,

I wanted to know how gud and gdb interact, i.e. by parsing gdb's output or 
using gdb's built-in scripting engine. I have gone through gud.el and I 
understand interaction is accomplished by parsing gdb's output. Could you 
please confirm my understanding?
If so, why is this approach better than writing event handlers using gdb's 
scheme interpreter? My first guess is because of simplicity and compatibility 
(scripting was introduced in gdb 7.0). I guess it is simpler and maybe even 
faster to parse gdb's output than to setup some kind of client-server 
architecture to receive notifications from gdb event handlers.

The context for this question is that I'm writing a gdb client, not for emacs, 
that somehow resembles what gud does. So I wanted to know what gud does because 
it is widely used and it is known to work.

Any comment would be very much appreciated.

Thank you very much,
Juan.

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