Remove "repeat" argument from command_line_input

After the previous patch, all callers pass 0 as the repeat argument to
command_line_input.  So, this patch removes it.

2018-08-16  Tom Tromey  <tom@tromey.com>

	* top.c (read_command_file): Update.
	(command_line_input): Remove "repeat" argument.
	* ada-lang.c (get_selections): Update.
	* linespec.c (decode_line_2): Update.
	* defs.h (command_line_input): Remove argument.
	* cli/cli-script.c (read_next_line): Update.
	* python/py-gdb-readline.c: Update.

Author: tromey

gdb/ChangeLog

@@ -1,3 +1,13 @@
+2018-08-16  Tom Tromey  <tom@tromey.com>
+
+	* top.c (read_command_file): Update.
+	(command_line_input): Remove "repeat" argument.
+	* ada-lang.c (get_selections): Update.
+	* linespec.c (decode_line_2): Update.
+	* defs.h (command_line_input): Remove argument.
+	* cli/cli-script.c (read_next_line): Update.
+	* python/py-gdb-readline.c: Update.
+
 2018-08-17  Tom Tromey  <tom@tromey.com>
 
 	* cli/cli-script.c (read_next_line): Pass 0 as repeat argument to

gdb/ada-lang.c

@@ -4041,7 +4041,7 @@ get_selections (int *choices, int n_choices, int max_results,
   if (prompt == NULL)
     prompt = "> ";
 
-  args = command_line_input (prompt, 0, annotation_suffix);
+  args = command_line_input (prompt, annotation_suffix);
 
   if (args == NULL)
     error_no_arg (_("one or more choice numbers"));

gdb/cli/cli-script.c

@@ -903,7 +903,7 @@ read_next_line (void)
   else
     prompt_ptr = NULL;
 
-  return command_line_input (prompt_ptr, 0, "commands");
+  return command_line_input (prompt_ptr, "commands");
 }
 
 /* Return true if CMD's name is NAME.  */

gdb/defs.h

@@ -309,7 +309,7 @@ typedef void initialize_file_ftype (void);
 
 extern char *gdb_readline_wrapper (const char *);
 
-extern char *command_line_input (const char *, int, const char *);
+extern char *command_line_input (const char *, const char *);
 
 extern void print_prompt (void);
 

gdb/linespec.c

@@ -1556,7 +1556,7 @@ decode_line_2 (struct linespec_state *self,
     {
       prompt = "> ";
     }
-  args = command_line_input (prompt, 0, "overload-choice");
+  args = command_line_input (prompt, "overload-choice");
 
   if (args == 0 || *args == 0)
     error_no_arg (_("one or more choice numbers"));

gdb/python/py-gdb-readline.c

@@ -41,7 +41,7 @@ gdbpy_readline_wrapper (FILE *sys_stdin, FILE *sys_stdout,
 
   TRY
     {
-      p = command_line_input (prompt, 0, "python");
+      p = command_line_input (prompt, "python");
     }
   /* Handle errors by raising Python exceptions.  */
   CATCH (except, RETURN_MASK_ALL)

gdb/top.c

@@ -418,7 +418,7 @@ read_command_file (FILE *stream)
       char *command;
 
       /* Get a command-line.  This calls the readline package.  */
-      command = command_line_input (NULL, 0, NULL);
+      command = command_line_input (NULL, NULL);
       if (command == NULL)
 	break;
       command_handler (command);
@@ -1161,16 +1161,11 @@ gdb_safe_append_history (void)
 
    NULL is returned for end of file.
 
-   *If* input is from an interactive stream (stdin), the line read is
-   copied into the global 'saved_command_line' so that it can be
-   repeated.
-
    This routine either uses fancy command line editing or simple input
    as the user has requested.  */
 
 char *
-command_line_input (const char *prompt_arg, int repeat,
-		    const char *annotation_suffix)
+command_line_input (const char *prompt_arg, const char *annotation_suffix)
 {
   static struct buffer cmd_line_buffer;
   static int cmd_line_buffer_initialized;
@@ -1255,7 +1250,7 @@ command_line_input (const char *prompt_arg, int repeat,
 	}
 
       cmd = handle_line_of_input (&cmd_line_buffer, rl,
-				  repeat, annotation_suffix);
+				  0, annotation_suffix);
       if (cmd == (char *) EOF)
 	{
 	  cmd = NULL;