[Bug python/11380] New: print formats (/FMT) do not invoke Python pretty printers

["chrisj at rtems dot org" <sourceware-bugzilla at sourceware dot org>]

If a /FMT is used with the print command a type's pretty printer is not invoked.
For example a pretty printer to print an RTEMS Object ID (an unsigned long)
produces:

(gdb) p /f the_semaphore->Object.id
$10 = to_string = {
  id = 436273170,
  node = 1,
  api = classic,
  class = semaphores,
  index = 18
}

and with a /FMT option added:

(gdb) p /c the_semaphore->Object.id
$15 = 18 '\022'
(gdb) p /f the_semaphore->Object.id
$16 = 2.66766316e-23
(gdb) p /u the_semaphore->Object.id
$17 = 436273170
(gdb) p /t the_semaphore->Object.id
$18 = 11010000000010000000000010010

It would be nice if the pretty printer followed the requested output where a
printer is creating a struct type output (display hint 'struct').

-- 
           Summary: print formats (/FMT) do not invoke Python pretty
                    printers
           Product: gdb
           Version: 7.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: python
        AssignedTo: unassigned at sourceware dot org
        ReportedBy: chrisj at rtems dot org
                CC: gdb-prs at sourceware dot org


http://sourceware.org/bugzilla/show_bug.cgi?id=11380

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