Introduce and use ui_out_emit_table

This introduces ui_out_emit_table, similar to the other existing
ui_out RAII classes, and then uses it in a number of places.  This
replaces some cleanups.

ChangeLog
2017-08-03  Tom Tromey  <tom@tromey.com>

	* tracepoint.c (tvariables_info_1): Use ui_out_emit_table.
	(info_static_tracepoint_markers_command): Likewise.
	* solib.c (info_sharedlibrary_command): Use ui_out_emit_table.
	* skip.c (skip_info): Use ui_out_emit_table.
	* progspace.c (print_program_space): Use ui_out_emit_table.
	* osdata.c (info_osdata): Use ui_out_emit_table.
	* mi/mi-cmd-info.c (mi_cmd_info_ada_exceptions): Use
	ui_out_emit_table.
	* linux-thread-db.c (info_auto_load_libthread_db): Use
	ui_out_emit_table.
	* inferior.c (print_inferior): Use ui_out_emit_table.
	* gdb_bfd.c (maintenance_info_bfds): Use ui_out_emit_table.
	* breakpoint.c (breakpoint_1): Use ui_out_emit_table.
	* auto-load.c (auto_load_info_scripts): Use ui_out_emit_table.
	* ada-tasks.c (print_ada_task_info): Use ui_out_emit_table.
	* ui-out.h (class ui_out_emit_table): New.

1 files changed, 2 insertions, 6 deletions

diff --git a/gdb/skip.c b/gdb/skip.c
index e767f83..afa81ec 100644
--- a/gdb/skip.c
+++ b/gdb/skip.c
@@ -346,7 +346,6 @@ skip_info (char *arg, int from_tty)
   struct skiplist_entry *e;
   int num_printable_entries = 0;
   struct value_print_options opts;
-  struct cleanup *tbl_chain;
 
   get_user_print_options (&opts);
 
@@ -367,9 +366,8 @@ skip_info (char *arg, int from_tty)
       return;
     }
 
-  tbl_chain = make_cleanup_ui_out_table_begin_end (current_uiout, 6,
-						   num_printable_entries,
-						   "SkiplistTable");
+  ui_out_emit_table table_emitter (current_uiout, 6, num_printable_entries,
+				   "SkiplistTable");
 
   current_uiout->table_header (5, ui_left, "number", "Num");   /* 1 */
   current_uiout->table_header (3, ui_left, "enabled", "Enb");  /* 2 */
@@ -411,8 +409,6 @@ skip_info (char *arg, int from_tty)
 
       current_uiout->text ("\n");
     }
-
-  do_cleanups (tbl_chain);
 }
 
 static void