/* General functions for the WDB TUI.
- Copyright (C) 1998-2014 Free Software Foundation, Inc.
+ Copyright (C) 1998-2019 Free Software Foundation, Inc.
Contributed by Hewlett-Packard Company.
#include "gdbcmd.h"
#include "tui/tui.h"
#include "tui/tui-hooks.h"
+#include "tui/tui-command.h"
#include "tui/tui-data.h"
#include "tui/tui-layout.h"
#include "tui/tui-io.h"
#include "tui/tui-stack.h"
#include "tui/tui-win.h"
#include "tui/tui-winsource.h"
-#include "tui/tui-windata.h"
+#include "tui/tui-source.h"
#include "target.h"
#include "frame.h"
#include "breakpoint.h"
#include "symtab.h"
#include "source.h"
#include "terminal.h"
+#include "top.h"
#include <ctype.h>
#include <signal.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
{ 'd', "down" },
{ 'f', "finish" },
{ 'n', "next" },
+ { 'o', "nexti" },
{ 'r', "run" },
{ 's', "step" },
+ { 'i', "stepi" },
{ 'u', "up" },
{ 'v', "info locals" },
{ 'w', "where" },
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 (const gdb_exception &ex)
{
- rl_deprep_terminal ();
- tui_enable ();
+ exception_print (gdb_stderr, ex);
+
+ if (!tui_active)
+ rl_prep_terminal (0);
}
/* Clear the readline in case switching occurred in middle of
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 (win_info)
{
tui_set_win_focus_to (win_info);
- if (TUI_DATA_WIN && TUI_DATA_WIN->generic.is_visible)
- tui_refresh_data_win ();
- keypad (TUI_CMD_WIN->generic.handle, (win_info != TUI_CMD_WIN));
+ keypad (TUI_CMD_WIN->handle, (win_info != TUI_CMD_WIN));
}
return 0;
}
tui_rl_startup_hook (void)
{
rl_already_prompted = 1;
- if (tui_current_key_mode != TUI_COMMAND_MODE && immediate_quit == 0)
+ if (tui_current_key_mode != TUI_COMMAND_MODE
+ && !gdb_in_secondary_prompt_p (current_ui))
tui_set_key_mode (TUI_SINGLE_KEY_MODE);
tui_redisplay_readline ();
return 0;
int i;
Keymap tui_ctlx_keymap;
- rl_initialize ();
-
rl_add_defun ("tui-switch-mode", tui_rl_switch_mode, -1);
rl_add_defun ("gdb-command", tui_rl_command_key, -1);
rl_add_defun ("next-keymap", tui_rl_next_keymap, -1);
tui_keymap = rl_make_bare_keymap ();
+
+ /* The named keymap feature was added in Readline 8.0. */
+#if RL_READLINE_VERSION >= 0x800
+ rl_set_keymap_name ("SingleKey", tui_keymap);
+#endif
+
tui_ctlx_keymap = rl_make_bare_keymap ();
tui_readline_standard_keymap = rl_get_keymap ();
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)
{
- if (!tui_allowed_p ())
- error (_("TUI mode not allowed"));
-
if (tui_active)
return;
if (tui_finish_init)
{
WINDOW *w;
+ SCREEN *s;
+#ifndef __MINGW32__
+ const char *cap;
+#endif
+ const char *interp;
+
+ /* If the top level interpreter is not the console/tui (e.g.,
+ MI), enabling curses will certainly lose. */
+ interp = top_level_interpreter ()->name ();
+ 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 ((char *) "unknown", stdout, stdin);
+#endif
+ if (s == NULL)
+ {
+ error (_("Cannot enable the TUI: error opening terminal [TERM=%s]"),
+ gdb_getenv_term ());
+ }
+ w = stdscr;
+ if (has_colors ())
+ {
+#ifdef HAVE_USE_DEFAULT_COLORS
+ /* Ncurses extension to help with resetting to the default
+ color. */
+ use_default_colors ();
+#endif
+ start_color ();
+ }
+
+ /* Check required terminal capabilities. The MinGW port of
+ ncurses does have them, but doesn't expose them through "cup". */
+#ifndef __MINGW32__
+ cap = tigetstr ((char *) "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); */
nodelay(w, FALSE);
nl();
keypad (w, TRUE);
- rl_initialize ();
tui_set_term_height_to (LINES);
tui_set_term_width_to (COLS);
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);
+ keypad (TUI_CMD_WIN->handle, TRUE);
+ wrefresh (TUI_CMD_WIN->handle);
tui_finish_init = 0;
}
else
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. */
tui_update_gdb_sizes ();
}
-void
-strcat_to_buf (char *buf, int buflen,
- const char *item_to_add)
+/* Command wrapper for enabling tui mode. */
+
+static void
+tui_enable_command (const char *args, int from_tty)
{
- if (item_to_add != (char *) NULL && buf != (char *) NULL)
- {
- if ((strlen (buf) + strlen (item_to_add)) <= buflen)
- strcat (buf, item_to_add);
- else
- strncat (buf, item_to_add, (buflen - strlen (buf)));
- }
+ tui_enable ();
+}
+
+/* Command wrapper for leaving tui mode. */
+
+static void
+tui_disable_command (const char *args, int from_tty)
+{
+ tui_disable ();
}
#if 0
#endif /* CBREAK */
| VTDELAY | ALLDELAY);
mode.sg_flags |= XTABS | ECHO | CRMOD | ANYP;
-
- return;
}
#endif
tui_update_source_windows_with_addr (gdbarch, addr);
}
-int
+bool
tui_is_window_visible (enum tui_win_type type)
{
if (tui_active == 0)
- return 0;
+ return false;
if (tui_win_list[type] == 0)
- return 0;
+ return false;
- return tui_win_list[type]->generic.is_visible;
+ return tui_win_list[type]->is_visible ();
}
int
return 0;
}
- *width = TUI_CMD_WIN->generic.width;
- *height = TUI_CMD_WIN->generic.height;
+ *width = TUI_CMD_WIN->width;
+ *height = TUI_CMD_WIN->height;
return 1;
}
+
+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