[binutils-gdb] Use complete_on_enum in tui_reggroup_completer

[binutils-gdb] Use complete_on_enum in tui_reggroup_completer

[Tom Tromey]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ea68593bd2c649a73754e150340ba3400c007682

commit ea68593bd2c649a73754e150340ba3400c007682
Author: Tom Tromey <tom@tromey.com>
Date:   Wed Jul 1 21:21:12 2020 -0600

    Use complete_on_enum in tui_reggroup_completer
    
    tui_reggroup_completer has an "XXXX" comment suggesting the use of
    complete_on_enum.  This patch implements this suggestion.
    
    gdb/ChangeLog
    2020-07-01  Tom Tromey  <tom@tromey.com>
    
            * tui/tui-regs.c (tui_reggroup_completer): Use complete_on_enum.

Diff:
---
 gdb/ChangeLog      |  4 ++++
 gdb/tui/tui-regs.c | 11 ++---------
 2 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 007798135e5..6a6260d49e2 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2020-07-01  Tom Tromey  <tom@tromey.com>
+
+	* tui/tui-regs.c (tui_reggroup_completer): Use complete_on_enum.
+
 2020-07-01  Fangrui Song  <maskray@google.com>
 
 	* dwarf2/read.c (lnp_state_machine::check_line_address): Test -1.
diff --git a/gdb/tui/tui-regs.c b/gdb/tui/tui-regs.c
index d33f0aadef8..b99e29972de 100644
--- a/gdb/tui/tui-regs.c
+++ b/gdb/tui/tui-regs.c
@@ -631,18 +631,11 @@ tui_reggroup_completer (struct cmd_list_element *ignore,
 			completion_tracker &tracker,
 			const char *text, const char *word)
 {
-  static const char *extra[] = { "next", "prev", NULL };
-  size_t len = strlen (word);
-  const char **tmp;
+  static const char * const extra[] = { "next", "prev", NULL };
 
   reggroup_completer (ignore, tracker, text, word);
 
-  /* XXXX use complete_on_enum instead?  */
-  for (tmp = extra; *tmp != NULL; ++tmp)
-    {
-      if (strncmp (word, *tmp, len) == 0)
-	tracker.add_completion (make_unique_xstrdup (*tmp));
-    }
+  complete_on_enum (tracker, extra, text, word);
 }
 
 void _initialize_tui_regs ();