diff options
Diffstat (limited to 'gdb/tui/tui-hooks.c')
-rw-r--r-- | gdb/tui/tui-hooks.c | 127 |
1 files changed, 3 insertions, 124 deletions
diff --git a/gdb/tui/tui-hooks.c b/gdb/tui/tui-hooks.c index ff36d497780..db6c3f666bf 100644 --- a/gdb/tui/tui-hooks.c +++ b/gdb/tui/tui-hooks.c @@ -69,8 +69,6 @@ int tui_target_has_run = 0; static void (* tui_target_new_objfile_chain) (struct objfile*); -static void tui_event_loop (void); -static void tui_command_loop (void); static void tui_new_objfile_hook (struct objfile* objfile) @@ -325,131 +323,12 @@ tui_remove_hooks (void) set_gdb_event_hooks (tui_old_event_hooks); } -/* Cleanup the tui before exiting. */ -static void -tui_exit (void) -{ - /* Disable the tui. Curses mode is left leaving the screen - in a clean state (see endwin()). */ - tui_disable (); -} - -/* Initialize all the necessary variables, start the event loop, - register readline, and stdin, start the loop. */ -static void -tui_command_loop (void) -{ - int length; - char *a_prompt; - char *gdb_prompt = get_prompt (); - - /* If we are using readline, set things up and display the first - prompt, otherwise just print the prompt. */ - if (async_command_editing_p) - { - /* Tell readline what the prompt to display is and what function it - will need to call after a whole line is read. This also displays - the first prompt. */ - length = strlen (PREFIX (0)) + strlen (gdb_prompt) + strlen (SUFFIX (0)) + 1; - a_prompt = (char *) xmalloc (length); - strcpy (a_prompt, PREFIX (0)); - strcat (a_prompt, gdb_prompt); - strcat (a_prompt, SUFFIX (0)); - rl_callback_handler_install (a_prompt, input_handler); - } - else - display_gdb_prompt (0); - - /* Now it's time to start the event loop. */ - tui_event_loop (); -} - -/* Start up the event loop. This is the entry point to the event loop - from the command loop. */ - -static void -tui_event_loop (void) -{ - /* Loop until there is nothing to do. This is the entry point to the - event loop engine. gdb_do_one_event, called via catch_errors() - will process one event for each invocation. It blocks waits for - an event and then processes it. >0 when an event is processed, 0 - when catch_errors() caught an error and <0 when there are no - longer any event sources registered. */ - while (1) - { - int result = catch_errors (gdb_do_one_event, 0, "", RETURN_MASK_ALL); - if (result < 0) - break; - - /* Update gdb output according to TUI mode. Since catch_errors - preserves the uiout from changing, this must be done at top - level of event loop. */ - if (tui_active) - uiout = tui_out; - else - uiout = tui_old_uiout; - - if (result == 0) - { - /* FIXME: this should really be a call to a hook that is - interface specific, because interfaces can display the - prompt in their own way. */ - display_gdb_prompt (0); - /* This call looks bizarre, but it is required. If the user - entered a command that caused an error, - after_char_processing_hook won't be called from - rl_callback_read_char_wrapper. Using a cleanup there - won't work, since we want this function to be called - after a new prompt is printed. */ - if (after_char_processing_hook) - (*after_char_processing_hook) (); - /* Maybe better to set a flag to be checked somewhere as to - whether display the prompt or not. */ - } - } +void _initialize_tui_hooks (void); - /* We are done with the event loop. There are no more event sources - to listen to. So we exit GDB. */ - return; -} - -/* Initialize the tui by installing several gdb hooks, initializing - the tui IO and preparing the readline with the kind binding. */ -static void -tui_init_hook (char *argv0) +void +_initialize_tui_hooks (void) { - /* Don't enable the TUI if a specific interpreter is installed. */ - if (interpreter_p) - return; - - /* Install exit handler to leave the screen in a good shape. */ - atexit (tui_exit); - - initializeStaticData (); - /* Install the permanent hooks. */ tui_target_new_objfile_chain = target_new_objfile_hook; target_new_objfile_hook = tui_new_objfile_hook; - - tui_initialize_io (); - tui_initialize_readline (); - - /* Tell gdb to use the tui_command_loop as the main loop. */ - command_loop_hook = tui_command_loop; - - /* Decide in which mode to start using GDB (based on -tui). */ - if (tui_version) - { - tui_enable (); - } } - -/* Initialize the tui. */ -void -_initialize_tui (void) -{ - /* Setup initialization hook. */ - init_ui_hook = tui_init_hook; -} - |