Optionally print source code to gdb console window

[Tom Tromey]

>>>>> "Bob" == Bob Rossi <bob@brasko.net> writes:

Bob> I saw in the NEWS file,
Bob>     show print frame-info
Bob>       This controls what frame information is printed by the commands printing
Bob>       a frame.  This setting will e.g. influence the behaviour of 'backtrace',
Bob>       'frame', 'stepi'.  The python frame filtering also respect this setting.
Bob>       The 'backtrace' '-frame-info' option can override this global setting.

Yeah, sorry.  I was hoping to find some simpler way but I think there
isn't one.

Bob> A new option, but separate from the existing frame-info command, as to
Bob> not impact other areas of gdb.
Bob>   set print frame-info-source-line off
Bob> This is very similar to your approach, however, it lets the user choose
Bob> whatever they want with print frame-info, and then it lets cgdb "subtract" the
Bob> source-line printing from the console in only that case (and not bt case).

Bob> What do you think about this crazyiness?

Works for me.

Tom