Use ui_out_emit_tuple

This patch changes various places to use ui_out_emit_tuple,
eliminating a number of cleanups.  This patch only tackles "easy"
cases, which are ones where the cleanups in question were
block-structured and did not involve any changes other than the
obvious replacement.

ChangeLog
2017-04-22  Tom Tromey  <tom@tromey.com>

	* record-btrace.c (record_btrace_insn_history)
	(record_btrace_insn_history_range, record_btrace_call_history)
	(record_btrace_call_history_range): Use ui_out_emit_tuple.
	* thread.c (do_captured_list_thread_ids, print_thread_info_1): Use
	ui_out_emit_tuple.
	* stack.c (print_frame_info): Use ui_out_emit_tuple.
	* solib.c (info_sharedlibrary_command): Use ui_out_emit_tuple.
	* skip.c (skip_info): Use ui_out_emit_tuple.
	* remote.c (show_remote_cmd): Use ui_out_emit_tuple.
	* progspace.c (print_program_space): Use ui_out_emit_tuple.
	* probe.c (info_probes_for_ops): Use ui_out_emit_tuple.
	* osdata.c (info_osdata): Use ui_out_emit_tuple.
	* mi/mi-symbol-cmds.c (mi_cmd_symbol_list_lines): Use
	ui_out_emit_tuple.
	* mi/mi-main.c (print_one_inferior, list_available_thread_groups)
	(output_register, mi_cmd_data_read_memory)
	(mi_cmd_data_read_memory_bytes, mi_load_progress)
	(mi_cmd_trace_frame_collected): Use ui_out_emit_tuple.
	* mi/mi-cmd-var.c (mi_cmd_var_list_children, varobj_update_one):
	Use ui_out_emit_tuple.
	* mi/mi-cmd-stack.c (mi_cmd_stack_list_args): Use
	ui_out_emit_tuple.
	* mi/mi-cmd-info.c (mi_cmd_info_ada_exceptions)
	(mi_cmd_info_gdb_mi_command): Use ui_out_emit_tuple.
	* linux-thread-db.c (info_auto_load_libthread_db): Use
	ui_out_emit_tuple.
	* inferior.c (print_inferior): Use ui_out_emit_tuple.
	* gdb_bfd.c (print_one_bfd): Use ui_out_emit_tuple.
	* disasm.c (do_mixed_source_and_assembly_deprecated)
	(do_mixed_source_and_assembly): Use ui_out_emit_tuple.
	* cp-abi.c (list_cp_abis): Use ui_out_emit_tuple.
	* cli/cli-setshow.c (cmd_show_list): Use ui_out_emit_tuple.
	* breakpoint.c (print_one_breakpoint_location)
	(print_one_breakpoint): Use ui_out_emit_tuple.
	* auto-load.c (print_script, info_auto_load_cmd): Use
	ui_out_emit_tuple.
	* ada-tasks.c (print_ada_task_info): Use ui_out_emit_tuple.

1 files changed, 3 insertions, 12 deletions

diff --git a/gdb/cli/cli-setshow.c b/gdb/cli/cli-setshow.c
index 218e1f36d8f..fb0bd490f50 100644
--- a/gdb/cli/cli-setshow.c
+++ b/gdb/cli/cli-setshow.c
@@ -664,32 +664,27 @@ do_show_command (const char *arg, int from_tty, struct cmd_list_element *c)
 void
 cmd_show_list (struct cmd_list_element *list, int from_tty, const char *prefix)
 {
-  struct cleanup *showlist_chain;
   struct ui_out *uiout = current_uiout;
 
-  showlist_chain = make_cleanup_ui_out_tuple_begin_end (uiout, "showlist");
+  ui_out_emit_tuple tuple_emitter (uiout, "showlist");
   for (; list != NULL; list = list->next)
     {
       /* If we find a prefix, run its list, prefixing our output by its
          prefix (with "show " skipped).  */
       if (list->prefixlist && !list->abbrev_flag)
 	{
-	  struct cleanup *optionlist_chain
-	    = make_cleanup_ui_out_tuple_begin_end (uiout, "optionlist");
+	  ui_out_emit_tuple optionlist_emitter (uiout, "optionlist");
 	  const char *new_prefix = strstr (list->prefixname, "show ") + 5;
 
 	  if (uiout->is_mi_like_p ())
 	    uiout->field_string ("prefix", new_prefix);
 	  cmd_show_list (*list->prefixlist, from_tty, new_prefix);
-	  /* Close the tuple.  */
-	  do_cleanups (optionlist_chain);
 	}
       else
 	{
 	  if (list->theclass != no_set_class)
 	    {
-	      struct cleanup *option_chain
-		= make_cleanup_ui_out_tuple_begin_end (uiout, "option");
+	      ui_out_emit_tuple option_emitter (uiout, "option");
 
 	      uiout->text (prefix);
 	      uiout->field_string ("name", list->name);
@@ -698,12 +693,8 @@ cmd_show_list (struct cmd_list_element *list, int from_tty, const char *prefix)
 		do_show_command ((char *) NULL, from_tty, list);
 	      else
 		cmd_func (list, NULL, from_tty);
-	      /* Close the tuple.  */
-	      do_cleanups (option_chain);
 	    }
 	}
     }
-  /* Close the tuple.  */
-  do_cleanups (showlist_chain);
 }