Replace input_interactive_p with a method

This replaces the global input_interactive_p function with a new
method ui::input_interactive_p.

gdb/cli/cli-script.c

@@ -1176,7 +1176,7 @@ counted_command_line
 read_command_lines (const char *prompt_arg, int from_tty, int parse_commands,
 		    gdb::function_view<void (const char *)> validator)
 {
-  if (from_tty && input_interactive_p (current_ui))
+  if (from_tty && current_ui->input_interactive_p ())
     {
       if (deprecated_readline_begin_hook)
 	{
@@ -1203,7 +1203,7 @@ read_command_lines (const char *prompt_arg, int from_tty, int parse_commands,
 				   validator);
     }
 
-  if (from_tty && input_interactive_p (current_ui)
+  if (from_tty && current_ui->input_interactive_p ()
       && deprecated_readline_end_hook)
     {
       (*deprecated_readline_end_hook) ();

gdb/defs.h

@@ -322,8 +322,6 @@ extern void print_prompt (void);
 
 struct ui;
 
-extern int input_interactive_p (struct ui *);
-
 extern bool info_verbose;
 
 /* From printcmd.c */

gdb/event-top.c

@@ -687,7 +687,7 @@ handle_line_of_input (struct buffer *cmd_line_buffer,
     }
 
   /* Do history expansion if that is wished.  */
-  if (history_expansion_p && from_tty && input_interactive_p (current_ui))
+  if (history_expansion_p && from_tty && current_ui->input_interactive_p ())
     {
       char *cmd_expansion;
       int expanded;
@@ -729,7 +729,7 @@ handle_line_of_input (struct buffer *cmd_line_buffer,
      and then later fetch it from the value history and remove the
      '#'.  The kill ring is probably better, but some people are in
      the habit of commenting things out.  */
-  if (*cmd != '\0' && from_tty && input_interactive_p (current_ui))
+  if (*cmd != '\0' && from_tty && current_ui->input_interactive_p ())
     gdb_add_history (cmd);
 
   /* Save into global buffer if appropriate.  */

gdb/top.c

@@ -308,7 +308,7 @@ ui::ui (FILE *instream_, FILE *outstream_, FILE *errstream_)
     outstream (outstream_),
     errstream (errstream_),
     input_fd (fileno (instream)),
-    input_interactive_p (ISATTY (instream)),
+    m_input_interactive_p (ISATTY (instream)),
     prompt_state (PROMPT_NEEDED),
     m_gdb_stdout (new pager_file (new stdio_file (outstream))),
     m_gdb_stdin (new stdio_file (instream)),
@@ -1405,13 +1405,13 @@ command_line_input (const char *prompt_arg, const char *annotation_suffix)
       /* Don't use fancy stuff if not talking to stdin.  */
       if (deprecated_readline_hook
 	  && from_tty
-	  && input_interactive_p (current_ui))
+	  && current_ui->input_interactive_p ())
 	{
 	  rl.reset ((*deprecated_readline_hook) (prompt));
 	}
       else if (command_editing_p
 	       && from_tty
-	       && input_interactive_p (current_ui))
+	       && current_ui->input_interactive_p ())
 	{
 	  rl.reset (gdb_readline_wrapper (prompt));
 	}
@@ -1875,7 +1875,7 @@ quit_force (int *exit_arg, int from_tty)
 	     any UI with a terminal, save history.  */
 	  for (ui *ui : all_uis ())
 	    {
-	      if (input_interactive_p (ui))
+	      if (ui->input_interactive_p ())
 		{
 		  save = 1;
 		  break;
@@ -1923,23 +1923,23 @@ show_interactive_mode (struct ui_file *file, int from_tty,
   if (interactive_mode == AUTO_BOOLEAN_AUTO)
     gdb_printf (file, "Debugger's interactive mode "
 		"is %s (currently %s).\n",
-		value, input_interactive_p (current_ui) ? "on" : "off");
+		value, current_ui->input_interactive_p () ? "on" : "off");
   else
     gdb_printf (file, "Debugger's interactive mode is %s.\n", value);
 }
 
 /* Returns whether GDB is running on an interactive terminal.  */
 
-int
-input_interactive_p (struct ui *ui)
+bool
+ui::input_interactive_p () const
 {
   if (batch_flag)
-    return 0;
+    return false;
 
   if (interactive_mode != AUTO_BOOLEAN_AUTO)
     return interactive_mode == AUTO_BOOLEAN_TRUE;
 
-  return ui->input_interactive_p;
+  return m_input_interactive_p;
 }
 
 static void

gdb/top.h

@@ -124,7 +124,7 @@ struct ui
   /* Whether ISATTY returns true on input_fd.  Cached here because
      quit_force needs to know this _after_ input_fd might be
      closed.  */
-  int input_interactive_p;
+  bool m_input_interactive_p;
 
   /* See enum prompt_state's description.  */
   enum prompt_state prompt_state;
@@ -154,6 +154,9 @@ struct ui
 
   /* Unregister the UI's input file descriptor from the event loop.  */
   void unregister_file_handler ();
+
+  /* Return true if this UI's input fd is a tty.  */
+  bool input_interactive_p () const;
 };
 
 /* The main UI.  This is the UI that is bound to stdin/stdout/stderr.

gdb/utils.c

@@ -880,7 +880,7 @@ defaulted_query (const char *ctlstr, const char defchar, va_list args)
      way, important error messages don't get lost when talking to GDB
      over a pipe.  */
   if (current_ui->instream != current_ui->stdin_stream
-      || !input_interactive_p (current_ui)
+      || !current_ui->input_interactive_p ()
       /* Restrict queries to the main UI.  */
       || current_ui != main_ui)
     {