Emit inferior, thread and frame selection events to all UIs

[deliverable/binutils-gdb.git] / gdb / stack.c

diff --git a/gdb/stack.c b/gdb/stack.c
index 417e887b28ad5f18396b7f91f7a53d2612dac63d..b719fcd38d5de8c0ef08db94001a0fac73f82ecc 100644 (file)
--- a/gdb/stack.c
+++ b/gdb/stack.c
@@ -51,6 +51,7 @@
 #include "safe-ctype.h"
 #include "symfile.h"
 #include "extension.h"
+#include "observer.h"
 
 /* The possible choices of "set print frame-arguments", and the value
    of this setting.  */
@@ -141,6 +142,24 @@ frame_show_address (struct frame_info *frame,
   return get_frame_pc (frame) != sal.pc;
 }
 
+/* See frame.h.  */
+
+void
+print_stack_frame_to_uiout (struct ui_out *uiout, struct frame_info *frame,
+                           int print_level, enum print_what print_what,
+                           int set_current_sal)
+{
+  struct cleanup *old_chain;
+
+  old_chain = make_cleanup_restore_current_uiout ();
+
+  current_uiout = uiout;
+
+  print_stack_frame (frame, print_level, print_what, set_current_sal);
+
+  do_cleanups (old_chain);
+}
+
 /* Show or print a stack frame FRAME briefly.  The output is formatted
    according to PRINT_LEVEL and PRINT_WHAT printing the frame's
    relative level, function name, argument list, and file name and
@@ -2302,7 +2321,11 @@ find_relative_frame (struct frame_info *frame, int *level_offset_ptr)
 void
 select_frame_command (char *level_exp, int from_tty)
 {
+  struct frame_info *prev_frame = get_selected_frame_if_set ();
+
   select_frame (parse_frame_specification (level_exp, NULL));
+  if (get_selected_frame_if_set () != prev_frame)
+    observer_notify_user_selected_context_changed (USER_SELECTED_FRAME);
 }
 
 /* The "frame" command.  With no argument, print the selected frame
@@ -2312,8 +2335,13 @@ select_frame_command (char *level_exp, int from_tty)
 static void
 frame_command (char *level_exp, int from_tty)
 {
-  select_frame_command (level_exp, from_tty);
-  print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1);
+  struct frame_info *prev_frame = get_selected_frame_if_set ();
+
+  select_frame (parse_frame_specification (level_exp, NULL));
+  if (get_selected_frame_if_set () != prev_frame)
+    observer_notify_user_selected_context_changed (USER_SELECTED_FRAME);
+  else
+    print_selected_thread_frame (current_uiout, USER_SELECTED_FRAME);
 }
 
 /* Select the frame up one or COUNT_EXP stack levels from the
@@ -2344,7 +2372,7 @@ static void
 up_command (char *count_exp, int from_tty)
 {
   up_silently_base (count_exp);
-  print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1);
+  observer_notify_user_selected_context_changed (USER_SELECTED_FRAME);
 }
 
 /* Select the frame down one or COUNT_EXP stack levels from the previously
@@ -2383,9 +2411,8 @@ static void
 down_command (char *count_exp, int from_tty)
 {
   down_silently_base (count_exp);
-  print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1);
+  observer_notify_user_selected_context_changed (USER_SELECTED_FRAME);
 }
-\f
 
 void
 return_command (char *retval_exp, int from_tty)
@@ -2616,10 +2643,11 @@ a command file or a user-defined command."));
 
   add_com_alias ("f", "frame", class_stack, 1);
 
-  add_com ("select-frame", class_stack, select_frame_command, _("\
+  add_com_suppress_notification ("select-frame", class_stack, select_frame_command, _("\
 Select a stack frame without printing anything.\n\
 An argument specifies the frame to select.\n\
-It can be a stack frame number or the address of the frame.\n"));
+It can be a stack frame number or the address of the frame.\n"),
+                &cli_suppress_notification.user_selected_context);
 
   add_com ("backtrace", class_stack, backtrace_command, _("\
 Print backtrace of all stack frames, or innermost COUNT frames.\n\