Re: How do I get regexp from expect at gdb_expect?

[Bob Rossi <bob@brasko.net>]

On Fri, Jan 28, 2005 at 07:09:15PM -0800, Paul Hilfinger wrote:
> 
>  > Hi,
>  > 
>  > I'm using expect with GDB and I've come across a problem. For instance,
>  > say I have,
>  > 
>  >     gdb_expect $tmt {
>  >      -re "(Ending remote debugging.*$mi_gdb_prompt\[ \]*$)" {
>  >         # at this point, how do I get the string that matched the above
>  >         # regex?
>  >         }
>  >     }
>  >     }
> 
> Here is some relevant documentation:
> 
>         Upon matching a pattern (or eof or  full_buffer),  any
>         matching  and  previously unmatched output is saved in
>         the variable expect_out(buffer) [as in $expect_out(buffer)].  
>         Up to 9 regexp  sub-
>         string    matches   are   saved   in   the   variables
>         expect_out(1,string) through expect_out(9,string).  If
>         the -indices flag is used before a pattern, the start-
>         ing and ending indices (in a form suitable for lrange)
>         of   the  10  strings  are  stored  in  the  variables
>         expect_out(X,start) and expect_out(X,end) where X is a
>         digit,  corresponds  to  the substring position in the
>         buffer.  0 refers to strings which matched the  entire
> 	pattern...

Thanks, I did see that, however, I think there is a problem because I'm
calling a Tcl function called 'gdb_expect', instead of expect. I don't
know how that change's the situation.

Bob Rossi