S390: Migrate watch areas from list to VEC type

[deliverable/binutils-gdb.git] / gdb / top.h

diff --git a/gdb/top.h b/gdb/top.h
index 2aa44080c9b57327d123c0f604e35166ef73e205..ee664c1c38993b4d85e811f29f104f53ebd451e6 100644 (file)
--- a/gdb/top.h
+++ b/gdb/top.h
@@ -25,6 +25,24 @@
 
 struct tl_interp_info;
 
+/* Prompt state.  */
+
+enum prompt_state
+{
+  /* The command line is blocked simulating synchronous execution.
+     This is used to implement the foreground execution commands
+     ('run', 'continue', etc.).  We won't display the prompt and
+     accept further commands until the execution is actually over.  */
+  PROMPT_BLOCKED,
+
+  /* The command finished; display the prompt before returning back to
+     the top level.  */
+  PROMPT_NEEDED,
+
+  /* We've displayed the prompt already, ready for input.  */
+  PROMPTED,
+};
+
 /* All about a user interface instance.  Each user interface has its
    own I/O files/streams, readline state, its own top level
    interpreter (for the main UI, this is the interpreter specified
@@ -39,6 +57,9 @@ struct ui
   /* Pointer to next in singly-linked list.  */
   struct ui *next;
 
+  /* Convenient handle (UI number).  Unique across all UIs.  */
+  int num;
+
   /* The UI's command line buffer.  This is to used to accumulate
      input until we have a whole command line.  */
   struct buffer line_buffer;
@@ -77,6 +98,9 @@ struct ui
      currently active.  */
   int secondary_prompt_depth;
 
+  /* The UI's stdin.  Set to stdin for the main UI.  */
+  FILE *stdin_stream;
+
   /* 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
@@ -91,6 +115,14 @@ struct ui
      it with the event loop.  */
   int input_fd;
 
+  /* 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;
+
+  /* See enum prompt_state's description.  */
+  enum prompt_state prompt_state;
+
   /* The fields below that start with "m_" are "private".  They're
      meant to be accessed through wrapper macros that make them look
      like globals.  */
@@ -145,8 +177,25 @@ extern void switch_thru_all_uis_next (struct switch_thru_all_uis *state);
        switch_thru_all_uis_cond (&STATE);              \
        switch_thru_all_uis_next (&STATE))
 
-/* Cleanup that restores the current UI.  */
-extern void restore_ui_cleanup (void *data);
+/* Traverse over all UIs.  */
+#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);
+
+/* Make a cleanup that restores the current UI.  */
+extern struct cleanup *make_cleanup_restore_current_ui (void);
+
+/* Register the UI's input file descriptor in the event loop.  */
+extern void ui_register_input_event_handler (struct ui *ui);
+
+/* Unregister the UI's input file descriptor from the event loop.  */
+extern void ui_unregister_input_event_handler (struct ui *ui);
 
 /* From top.c.  */
 extern char *saved_command_line;