/* General functions for the WDB TUI.
- Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008
- Free Software Foundation, Inc.
+ Copyright (C) 1998-2016 Free Software Foundation, Inc.
Contributed by Hewlett-Packard Company.
#include "inferior.h"
#include "symtab.h"
#include "source.h"
+#include "terminal.h"
-#include <stdio.h>
-#include <stdlib.h>
#include <ctype.h>
#include <signal.h>
#include <fcntl.h>
#include <setjmp.h>
#include "gdb_curses.h"
+#include "interps.h"
/* This redefines CTRL if it is not already defined, so it must come
after terminal state releated include files like <term.h> and
static int
tui_rl_switch_mode (int notused1, int notused2)
{
- if (tui_active)
+
+ /* Don't let exceptions escape. We're in the middle of a readline
+ callback that isn't prepared for that. */
+ TRY
{
- tui_disable ();
- rl_prep_terminal (0);
+ if (tui_active)
+ {
+ tui_disable ();
+ rl_prep_terminal (0);
+ }
+ else
+ {
+ /* If tui_enable throws, we'll re-prep below. */
+ rl_deprep_terminal ();
+ tui_enable ();
+ }
}
- else
+ CATCH (ex, RETURN_MASK_ALL)
{
- rl_deprep_terminal ();
- tui_enable ();
+ exception_print (gdb_stderr, ex);
+
+ if (!tui_active)
+ rl_prep_terminal (0);
}
+ END_CATCH
/* Clear the readline in case switching occurred in middle of
something. */
if (tui_active)
{
enum tui_layout_type new_layout;
- enum tui_register_display_type regs_type = TUI_UNDEFINED_REGS;
new_layout = tui_current_layout ();
new_layout = SRC_COMMAND;
break;
}
- tui_set_layout (new_layout, regs_type);
+ tui_set_layout (new_layout);
}
return 0;
}
if (tui_active)
{
enum tui_layout_type new_layout;
- enum tui_register_display_type regs_type = TUI_UNDEFINED_REGS;
new_layout = tui_current_layout ();
new_layout = DISASSEM_COMMAND;
break;
}
- tui_set_layout (new_layout, regs_type);
+ tui_set_layout (new_layout);
}
return 0;
}
{
if (tui_commands[i].key == key)
{
- /* Must save the command because it can be modified by
- execute_command. */
- char *cmd = alloca (strlen (tui_commands[i].cmd) + 1);
- strcpy (cmd, tui_commands[i].cmd);
- execute_command (cmd, TRUE);
+ /* Insert the command in the readline buffer.
+ Avoid calling the gdb command here since it creates
+ a possible recursion on readline if prompt_for_continue
+ is called (See PR 9584). The command will also appear
+ in the readline history which turns out to be better. */
+ rl_insert_text (tui_commands[i].cmd);
+ rl_newline (1, '\n');
+
+ /* Switch to gdb command mode while executing the command.
+ This way the gdb's continue prompty will be displayed. */
+ tui_set_key_mode (TUI_ONE_COMMAND_MODE);
return 0;
}
}
tui_rl_startup_hook (void)
{
rl_already_prompted = 1;
- if (tui_current_key_mode != TUI_COMMAND_MODE)
+ if (tui_current_key_mode != TUI_COMMAND_MODE && immediate_quit == 0)
tui_set_key_mode (TUI_SINGLE_KEY_MODE);
tui_redisplay_readline ();
return 0;
rl_bind_key_in_map ('s', tui_rl_next_keymap, tui_ctlx_keymap);
}
+/* Return the TERM variable from the environment, or "<unset>"
+ if not set. */
+
+static const char *
+gdb_getenv_term (void)
+{
+ const char *term;
+
+ term = getenv ("TERM");
+ if (term != NULL)
+ return term;
+ return "<unset>";
+}
+
/* Enter in the tui mode (curses).
When in normal mode, it installs the tui hooks in gdb, redirects
the gdb output, configures the readline to work in tui mode.
void
tui_enable (void)
{
+ struct interp *interp;
+
if (tui_active)
return;
if (tui_finish_init)
{
WINDOW *w;
+ SCREEN *s;
+ const char *cap;
+ const char *interp;
+
+ /* If the top level interpreter is not the console/tui (e.g.,
+ MI), enabling curses will certainly lose. */
+ interp = interp_name (top_level_interpreter ());
+ if (strcmp (interp, INTERP_TUI) != 0)
+ error (_("Cannot enable the TUI when the interpreter is '%s'"), interp);
+
+ /* Don't try to setup curses (and print funny control
+ characters) if we're not outputting to a terminal. */
+ if (!ui_file_isatty (gdb_stdout))
+ error (_("Cannot enable the TUI when output is not a terminal"));
+
+ s = newterm (NULL, stdout, stdin);
+#ifdef __MINGW32__
+ /* The MinGW port of ncurses requires $TERM to be unset in order
+ to activate the Windows console driver. */
+ if (s == NULL)
+ s = newterm ("unknown", stdout, stdin);
+#endif
+ if (s == NULL)
+ {
+ error (_("Cannot enable the TUI: error opening terminal [TERM=%s]"),
+ gdb_getenv_term ());
+ }
+ w = stdscr;
+
+ /* Check required terminal capabilities. The MinGW port of
+ ncurses does have them, but doesn't expose them through "cup". */
+#ifndef __MINGW32__
+ cap = tigetstr ("cup");
+ if (cap == NULL || cap == (char *) -1 || *cap == '\0')
+ {
+ endwin ();
+ delscreen (s);
+ error (_("Cannot enable the TUI: "
+ "terminal doesn't support cursor addressing [TERM=%s]"),
+ gdb_getenv_term ());
+ }
+#endif
- w = initscr ();
-
cbreak ();
noecho ();
/* timeout (1); */
def_prog_mode ();
tui_show_frame_info (0);
- tui_set_layout (SRC_COMMAND, TUI_UNDEFINED_REGS);
+ tui_set_layout (SRC_COMMAND);
tui_set_win_focus_to (TUI_SRC_WIN);
keypad (TUI_CMD_WIN->generic.handle, TRUE);
wrefresh (TUI_CMD_WIN->generic.handle);
tui_setup_io (1);
tui_active = 1;
+
+ /* Resize windows before anything might display/refresh a
+ window. */
+ if (tui_win_resized ())
+ {
+ tui_set_win_resized_to (FALSE);
+ tui_resize_all ();
+ }
+
if (deprecated_safe_get_selected_frame ())
- tui_show_frame_info (deprecated_safe_get_selected_frame ());
+ tui_show_frame_info (deprecated_safe_get_selected_frame ());
/* Restore TUI keymap. */
tui_set_key_mode (tui_current_key_mode);
+
+ /* Refresh the screen. */
tui_refresh_all_win ();
/* Update gdb's knowledge of its terminal. */
- target_terminal_save_ours ();
+ gdb_save_tty_state ();
tui_update_gdb_sizes ();
}
tui_setup_io (0);
/* Update gdb's knowledge of its terminal. */
- target_terminal_save_ours ();
+ gdb_save_tty_state ();
tui_active = 0;
tui_update_gdb_sizes ();
}
+/* Command wrapper for enabling tui mode. */
+
+static void
+tui_enable_command (char *args, int from_tty)
+{
+ tui_enable ();
+}
+
+/* Command wrapper for leaving tui mode. */
+
+static void
+tui_disable_command (char *args, int from_tty)
+{
+ tui_disable ();
+}
+
void
strcat_to_buf (char *buf, int buflen,
const char *item_to_add)
#endif
void
-tui_show_source (const char *file, int line)
+tui_show_source (const char *fullname, int line)
{
struct symtab_and_line cursal = get_current_source_symtab_and_line ();
+
/* Make sure that the source window is displayed. */
tui_add_win_to_layout (SRC_WIN);
tui_update_source_windows_with_line (cursal.symtab, line);
- tui_update_locator_filename (file);
+ tui_update_locator_fullname (fullname);
}
void
-tui_show_assembly (CORE_ADDR addr)
+tui_show_assembly (struct gdbarch *gdbarch, CORE_ADDR addr)
{
tui_add_win_to_layout (DISASSEM_WIN);
- tui_update_source_windows_with_addr (addr);
+ tui_update_source_windows_with_addr (gdbarch, addr);
}
int
*height = TUI_CMD_WIN->generic.height;
return 1;
}
+
+/* Provide a prototype to silence -Wmissing-prototypes. */
+extern initialize_file_ftype _initialize_tui;
+
+void
+_initialize_tui (void)
+{
+ struct cmd_list_element **tuicmd;
+
+ tuicmd = tui_get_cmd_list ();
+
+ add_cmd ("enable", class_tui, tui_enable_command,
+ _("Enable TUI display mode."),
+ tuicmd);
+ add_cmd ("disable", class_tui, tui_disable_command,
+ _("Disable TUI display mode."),
+ tuicmd);
+}
projects / deliverable / binutils-gdb.git / blobdiff