Make gdb_in_secondary_prompt_p() be per UI

gdb/ChangeLog:
2016-06-21  Pedro Alves  <palves@redhat.com>

	* top.c (gdb_secondary_prompt_depth): Delete.
	(gdb_in_secondary_prompt_p): Add ui parameter.  Use it.
	(gdb_readline_wrapper_cleanup, gdb_readline_wrapper): Adjust to
	per-UI gdb_secondary_prompt_depth.
	* top.h (struct ui) <secondary_prompt_depth>: New field.

5 files changed, 23 insertions, 15 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index bad45aa..e3293d1 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,13 @@
 2016-06-21  Pedro Alves  <palves@redhat.com>
 
+	* top.c (gdb_secondary_prompt_depth): Delete.
+	(gdb_in_secondary_prompt_p): Add ui parameter.  Use it.
+	(gdb_readline_wrapper_cleanup, gdb_readline_wrapper): Adjust to
+	per-UI gdb_secondary_prompt_depth.
+	* top.h (struct ui) <secondary_prompt_depth>: New field.
+
+2016-06-21  Pedro Alves  <palves@redhat.com>
+
 	* cli/cli-interp.c (cli_interpreter_pre_command_loop): New
 	function.
 	(cli_interp_procs): Install it instead of cli_command_loop.
diff --git a/gdb/top.c b/gdb/top.c
index 7e82dcf..79f4293 100644
--- a/gdb/top.c
+++ b/gdb/top.c
@@ -757,17 +757,12 @@ static char *gdb_readline_wrapper_result;
 static void (*saved_after_char_processing_hook) (void);
 
 
-/* The number of nested readline secondary prompts that are currently
-   active.  */
-
-static int gdb_secondary_prompt_depth = 0;
-
 /* See top.h.  */
 
 int
-gdb_in_secondary_prompt_p (void)
+gdb_in_secondary_prompt_p (struct ui *ui)
 {
-  return gdb_secondary_prompt_depth > 0;
+  return ui->secondary_prompt_depth > 0;
 }
 
 
@@ -828,8 +823,8 @@ gdb_readline_wrapper_cleanup (void *arg)
 
   gdb_readline_wrapper_result = NULL;
   gdb_readline_wrapper_done = 0;
-  gdb_secondary_prompt_depth--;
-  gdb_assert (gdb_secondary_prompt_depth >= 0);
+  ui->secondary_prompt_depth--;
+  gdb_assert (ui->secondary_prompt_depth >= 0);
 
   after_char_processing_hook = saved_after_char_processing_hook;
   saved_after_char_processing_hook = NULL;
@@ -859,7 +854,7 @@ gdb_readline_wrapper (const char *prompt)
 
   cleanup->target_is_async_orig = target_is_async_p ();
 
-  gdb_secondary_prompt_depth++;
+  ui->secondary_prompt_depth++;
   back_to = make_cleanup (gdb_readline_wrapper_cleanup, cleanup);
 
   if (cleanup->target_is_async_orig)
diff --git a/gdb/top.h b/gdb/top.h
index 009fdb7..2aa4408 100644
--- a/gdb/top.h
+++ b/gdb/top.h
@@ -73,6 +73,10 @@ struct ui
      "start" -ex "next"') are processed.  */
   int async;
 
+  /* The number of nested readline secondary prompts that are
+     currently active.  */
+  int secondary_prompt_depth;
+
   /* stdio stream that command input is being read from.  Set to stdin
      normally.  Set by source_command to the file we are sourcing.
      Set to NULL if we are executing a user-defined command or
@@ -190,9 +194,10 @@ extern char *get_prompt (void);
    by gdb for its command prompt.  */
 extern void set_prompt (const char *s);
 
-/* Return 1 if the current input handler is a secondary prompt, 0 otherwise.  */
+/* Return 1 if UI's current input handler is a secondary prompt, 0
+   otherwise.  */
 
-extern int gdb_in_secondary_prompt_p (void);
+extern int gdb_in_secondary_prompt_p (struct ui *ui);
 
 /* From random places.  */
 extern int readnow_symbol_files;
diff --git a/gdb/tui/tui-io.c b/gdb/tui/tui-io.c
index 6f2d892..ed79b44 100644
--- a/gdb/tui/tui-io.c
+++ b/gdb/tui/tui-io.c
@@ -212,7 +212,7 @@ tui_redisplay_readline (void)
      The command could call prompt_for_continue and we must not
      restore SingleKey so that the prompt and normal keymap are used.  */
   if (tui_current_key_mode == TUI_ONE_COMMAND_MODE && rl_end == 0
-      && !gdb_in_secondary_prompt_p ())
+      && !gdb_in_secondary_prompt_p (current_ui))
     tui_set_key_mode (TUI_SINGLE_KEY_MODE);
 
   if (tui_current_key_mode == TUI_SINGLE_KEY_MODE)
@@ -585,7 +585,7 @@ tui_getc (FILE *fp)
          with empty lines with gdb prompt at beginning.  Instead of that,
          stay on the same line but provide a visual effect to show the
          user we recognized the command.  */
-      if (rl_end == 0 && !gdb_in_secondary_prompt_p ())
+      if (rl_end == 0 && !gdb_in_secondary_prompt_p (current_ui))
         {
 	  wmove (w, getcury (w), 0);
 
diff --git a/gdb/tui/tui.c b/gdb/tui/tui.c
index e1160d2..7c3e704 100644
--- a/gdb/tui/tui.c
+++ b/gdb/tui/tui.c
@@ -304,7 +304,7 @@ tui_rl_startup_hook (void)
 {
   rl_already_prompted = 1;
   if (tui_current_key_mode != TUI_COMMAND_MODE
-      && !gdb_in_secondary_prompt_p ())
+      && !gdb_in_secondary_prompt_p (current_ui))
     tui_set_key_mode (TUI_SINGLE_KEY_MODE);
   tui_redisplay_readline ();
   return 0;