Remove make_delete_ui_cleanup

This removes new_ui and delete_ui in favor of ordinary 'new' and
'delete', and then removes make_delete_ui_cleanup in favor of
std::unique_ptr.

2017-10-03  Tom Tromey  <tom@tromey.com>

	* event-top.c (stdin_event_handler): Update.
	* main.c (captured_main_1): Update.
	* top.h (make_delete_ui_cleanup): Remove.
	(struct ui): Add constructor and destructor.
	(new_ui, delete_ui): Remove.
	* top.c (make_delete_ui_cleanup): Remove.
	(new_ui_command): Use std::unique_ptr.
	(delete_ui_cleanup): Remove.
	(ui::ui): Rename from new_ui.  Update.
	(free_ui): Remove.
	(ui::~ui): Rename from delete_ui.  Update.

1 files changed, 6 insertions, 7 deletions

diff --git a/gdb/top.h b/gdb/top.h
index 6b66083995..99ba010821 100644
--- a/gdb/top.h
+++ b/gdb/top.h
@@ -54,6 +54,12 @@ enum prompt_state
 
 struct ui
 {
+  /* Create a new UI.  */
+  ui (FILE *instream, FILE *outstream, FILE *errstream);
+  ~ui ();
+
+  DISABLE_COPY_AND_ASSIGN (ui);
+
   /* Pointer to next in singly-linked list.  */
   struct ui *next;
 
@@ -203,13 +209,6 @@ public:
 #define ALL_UIS(UI)				\
   for (UI = ui_list; UI; UI = UI->next)		\
 
-/* Create a new UI.  */
-extern struct ui *new_ui (FILE *instream, FILE *outstream, FILE *errstream);
-extern void delete_ui (struct ui *todel);
-
-/* Cleanup that deletes a UI.  */
-extern struct cleanup *make_delete_ui_cleanup (struct ui *ui);
-
 /* Register the UI's input file descriptor in the event loop.  */
 extern void ui_register_input_event_handler (struct ui *ui);