[PATCH] gdb: improve command completion for 'print', 'x', and 'display'

[Pedro Alves]

On 08/01/21 10:34, Andrew Burgess wrote:
> * Pedro Alves <pedro@palves.net> [2021-01-08 00:59:25 +0000]:
> 
>> On 27/11/20 11:13, Andrew Burgess wrote:
>>>     Previously when analysing /FMT strings for tab completion we
>>>     considered two possibilities, either the user has typed '/', or the
>>>     user has typed '/' followed by an alpha-numeric character, as these
>>>     are the only valid FMT string characters.
>>>     
>>>     This meant that if the user type, for example '/@' and then tried to
>>>     tab complete gdb would use an uninitialised variable.
>>>     
>>>     Currently only the first character after the '/' is checked to see if
>>>     it is alpha-numeric, so if a user typed '/x@@' then gdb would be happy
>>>     to treat this as a FMT string.
>>>     
>>>     Given the goal of this change was primarily to allow tab completion of
>>>     symbols later in the command when a /FMT was used then I decided to
>>>     just make the /FMT skipping less smart.  Now any characters after the
>>>     '/' up to the first white space, will be treated as a FMT string.
>>
>> Do we already have a test for this?
> 
> No.  My bad.
> 
> How about the below?

LGTM, thanks!