1 /* TUI data manipulation routines.
3 Copyright (C) 1998-2019 Free Software Foundation, Inc.
5 Contributed by Hewlett-Packard Company.
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
22 #ifndef TUI_TUI_DATA_H
23 #define TUI_TUI_DATA_H
25 #include "tui/tui.h" /* For enum tui_win_type. */
26 #include "gdb_curses.h" /* For WINDOW. */
28 /* This is a point definition. */
34 struct tui_win_element;
36 /* This describes the content of the window. */
37 typedef struct tui_win_element **tui_win_content;
39 /* Generic window information. */
40 struct tui_gen_win_info
42 explicit tui_gen_win_info (enum tui_win_type t)
47 virtual ~tui_gen_win_info ();
49 /* Call to refresh this window. */
50 virtual void refresh_window ();
52 /* Make this window visible or invisible. */
53 virtual void make_visible (bool visible);
55 /* Return the name of this type of window. */
56 virtual const char *name () const
61 /* Reset this window. WIN_TYPE must match the existing type of this
62 window (it is only passed for self-test purposes). The other
63 parameters are used to set the window's size and position. */
64 void reset (enum tui_win_type win_type,
65 int height, int width,
66 int origin_x, int origin_y);
69 WINDOW *handle = nullptr;
71 enum tui_win_type type;
76 /* Origin of window. */
77 struct tui_point origin = {0, 0};
78 /* Content of window. */
79 tui_win_content content = nullptr;
80 /* Size of content (# of elements). */
82 /* Can it be used, or is it already used? */
83 int content_in_use = FALSE;
84 /* Viewport height. */
85 int viewport_height = 0;
86 /* Index of last visible line. */
87 int last_visible_line = 0;
88 /* Whether the window is visible or not. */
89 bool is_visible = false;
90 /* Window title to display. */
91 char *title = nullptr;
94 /* Constant definitions. */
95 #define DEFAULT_TAB_LEN 8
96 #define NO_SRC_STRING "[ No Source Available ]"
97 #define NO_DISASSEM_STRING "[ No Assembly Available ]"
98 #define NO_REGS_STRING "[ Register Values Unavailable ]"
99 #define NO_DATA_STRING "[ No Data Values Displayed ]"
100 #define MAX_CONTENT_COUNT 100
101 #define SRC_NAME "src"
102 #define CMD_NAME "cmd"
103 #define DATA_NAME "regs"
104 #define DISASSEM_NAME "asm"
105 #define TUI_NULL_STR ""
106 #define DEFAULT_HISTORY_COUNT 25
107 #define BOX_WINDOW TRUE
108 #define DONT_BOX_WINDOW FALSE
110 #define NO_HILITE FALSE
111 #define WITH_LOCATOR TRUE
112 #define NO_LOCATOR FALSE
113 #define EMPTY_SOURCE_PROMPT TRUE
114 #define NO_EMPTY_SOURCE_PROMPT FALSE
115 #define UNDEFINED_ITEM -1
116 #define MIN_WIN_HEIGHT 3
117 #define MIN_CMD_WIN_HEIGHT 3
119 /* Strings to display in the TUI status line. */
120 #define PROC_PREFIX "In: "
121 #define LINE_PREFIX "L"
122 #define PC_PREFIX "PC: "
123 #define SINGLE_KEY "(SingleKey)"
125 /* Minimum/Maximum length of some fields displayed in the TUI status
127 #define MIN_LINE_WIDTH 4 /* Use at least 4 digits for line
129 #define MIN_PROC_WIDTH 12
130 #define MAX_TARGET_WIDTH 10
131 #define MAX_PID_WIDTH 19
133 /* The kinds of layouts available. */
138 SRC_DISASSEM_COMMAND,
140 DISASSEM_DATA_COMMAND,
144 /* Basic data types that can be displayed in the data window. */
153 enum tui_line_or_address_kind
159 /* Structure describing source line or line address. */
160 struct tui_line_or_address
162 enum tui_line_or_address_kind loa;
170 /* Current Layout definition. */
171 struct tui_layout_def
173 enum tui_win_type display_mode;
177 /* Elements in the Source/Disassembly Window. */
178 struct tui_source_element
181 struct tui_line_or_address line_or_addr;
187 /* Elements in the data display window content. */
188 struct tui_data_element
191 int item_no; /* The register number, or data display
193 enum tui_data_type type;
200 /* Elements in the command window content. */
201 struct tui_command_element
207 # define MAX_LOCATOR_ELEMENT_LEN PATH_MAX
209 # define MAX_LOCATOR_ELEMENT_LEN 1024
212 /* Elements in the locator window content. */
213 struct tui_locator_element
215 /* Resolved absolute filename as returned by symtab_to_fullname. */
216 char full_name[MAX_LOCATOR_ELEMENT_LEN];
217 char proc_name[MAX_LOCATOR_ELEMENT_LEN];
220 /* Architecture associated with code at this location. */
221 struct gdbarch *gdbarch;
224 /* Flags to tell what kind of breakpoint is at current line. */
225 #define TUI_BP_ENABLED 0x01
226 #define TUI_BP_DISABLED 0x02
227 #define TUI_BP_HIT 0x04
228 #define TUI_BP_CONDITIONAL 0x08
229 #define TUI_BP_HARDWARE 0x10
231 /* Position of breakpoint markers in the exec info string. */
232 #define TUI_BP_HIT_POS 0
233 #define TUI_BP_BREAK_POS 1
234 #define TUI_EXEC_POS 2
235 #define TUI_EXECINFO_SIZE 4
237 typedef char tui_exec_info_content[TUI_EXECINFO_SIZE];
239 /* An content element in a window. */
240 union tui_which_element
242 struct tui_source_element source; /* The source elements. */
243 struct tui_gen_win_info *data_window; /* Data display elements. */
244 struct tui_data_element data; /* Elements of data_window. */
245 struct tui_command_element command; /* Command elements. */
246 struct tui_locator_element locator; /* Locator elements. */
247 tui_exec_info_content simple_string; /* Simple char based elements. */
250 struct tui_win_element
252 union tui_which_element which_element;
255 /* This defines information about each logical window. */
256 struct tui_win_info : public tui_gen_win_info
260 explicit tui_win_info (enum tui_win_type type);
261 DISABLE_COPY_AND_ASSIGN (tui_win_info);
263 /* Scroll the contents vertically. This is only called via
264 forward_scroll and backward_scroll. */
265 virtual void do_scroll_vertical (int num_to_scroll) = 0;
267 /* Scroll the contents horizontally. This is only called via
268 left_scroll and right_scroll. */
269 virtual void do_scroll_horizontal (int num_to_scroll) = 0;
273 ~tui_win_info () override
277 /* Clear the pertinent detail in the window. */
278 virtual void clear_detail () = 0;
280 /* Return true if this window has the locator. */
281 virtual bool has_locator () const
286 /* Refresh this window and any associated windows. */
287 virtual void refresh ();
289 /* Called after all the TUI windows are refreshed, to let this
290 window have a chance to update itself further. */
291 virtual void refresh_all ()
295 /* Called after a TUI window is given a new height; this updates any
296 related auxiliary windows. */
297 virtual void set_new_height (int height)
301 /* Compute the maximum height of this window. */
302 virtual int max_height () const;
304 /* Set whether this window is highglighted. */
305 void set_highlight (bool highlight)
307 is_highlighted = highlight;
310 /* Methods to scroll the contents of this window. Note that they
311 are named with "_scroll" coming at the end because the more
312 obvious "scroll_forward" is defined as a macro in term.h. */
313 void forward_scroll (int num_to_scroll);
314 void backward_scroll (int num_to_scroll);
315 void left_scroll (int num_to_scroll);
316 void right_scroll (int num_to_scroll);
318 /* Can this window ever be highlighted? */
319 bool can_highlight = true;
321 /* Is this window highlighted? */
322 bool is_highlighted = false;
325 /* The base class for all source-like windows, namely the source and
326 disassembly windows. */
328 struct tui_source_window_base : public tui_win_info
331 explicit tui_source_window_base (enum tui_win_type type);
332 ~tui_source_window_base () override;
333 DISABLE_COPY_AND_ASSIGN (tui_source_window_base);
335 void do_scroll_horizontal (int num_to_scroll) override;
339 void clear_detail () override;
341 /* Return true if this window has the locator. */
342 bool has_locator () const override
344 return m_has_locator;
347 void make_visible (bool visible) override;
348 void refresh () override;
349 void refresh_all () override;
351 /* Refill the source window's source cache and update it. If this
352 is a disassembly window, then just update it. */
355 /* Set the location of the execution point. */
356 void set_is_exec_point_at (struct tui_line_or_address l);
358 void set_new_height (int height) override;
360 /* Does the locator belong to this window? */
361 bool m_has_locator = false;
362 /* Execution information window. */
363 struct tui_gen_win_info *execution_info = nullptr;
364 /* Used for horizontal scroll. */
365 int horizontal_offset = 0;
366 struct tui_line_or_address start_line_or_addr;
368 /* It is the resolved form as returned by symtab_to_fullname. */
369 char *fullname = nullptr;
371 /* Architecture associated with code at this location. */
372 struct gdbarch *gdbarch = nullptr;
375 /* A TUI source window. */
377 struct tui_source_window : public tui_source_window_base
380 : tui_source_window_base (SRC_WIN)
384 DISABLE_COPY_AND_ASSIGN (tui_source_window);
386 const char *name () const override
393 void do_scroll_vertical (int num_to_scroll) override;
396 /* A TUI disassembly window. */
398 struct tui_disasm_window : public tui_source_window_base
401 : tui_source_window_base (DISASSEM_WIN)
405 DISABLE_COPY_AND_ASSIGN (tui_disasm_window);
407 const char *name () const override
409 return DISASSEM_NAME;
414 void do_scroll_vertical (int num_to_scroll) override;
417 struct tui_data_window : public tui_win_info
420 : tui_win_info (DATA_WIN)
424 ~tui_data_window () override;
425 DISABLE_COPY_AND_ASSIGN (tui_data_window);
427 void clear_detail () override;
428 void refresh_all () override;
430 void set_new_height (int height) override;
432 void refresh_window () override;
434 const char *name () const override
439 /* Start of data display content. */
440 tui_win_content data_content = NULL;
441 int data_content_count = 0;
442 /* Start of regs display content. */
443 tui_win_content regs_content = NULL;
444 int regs_content_count = 0;
445 int regs_column_count = 0;
446 /* Should regs be displayed at all? */
447 bool display_regs = false;
448 struct reggroup *current_group = nullptr;
452 void do_scroll_vertical (int num_to_scroll) override;
453 void do_scroll_horizontal (int num_to_scroll) override
458 struct tui_cmd_window : public tui_win_info
461 : tui_win_info (CMD_WIN)
463 can_highlight = false;
466 DISABLE_COPY_AND_ASSIGN (tui_cmd_window);
468 void clear_detail () override;
470 void make_visible (bool visible) override
474 int max_height () const override;
476 void refresh_window () override
480 const char *name () const override
489 void do_scroll_vertical (int num_to_scroll) override
493 void do_scroll_horizontal (int num_to_scroll) override
498 extern int tui_win_is_auxillary (enum tui_win_type win_type);
502 extern struct tui_win_info *tui_win_list[MAX_MAJOR_WINDOWS];
504 #define TUI_SRC_WIN ((tui_source_window_base *) tui_win_list[SRC_WIN])
505 #define TUI_DISASM_WIN ((tui_source_window_base *) tui_win_list[DISASSEM_WIN])
506 #define TUI_DATA_WIN ((tui_data_window *) tui_win_list[DATA_WIN])
507 #define TUI_CMD_WIN ((tui_cmd_window *) tui_win_list[CMD_WIN])
509 /* Data Manipulation Functions. */
510 extern void tui_initialize_static_data (void);
511 extern struct tui_win_info *tui_alloc_win_info (enum tui_win_type);
512 extern void tui_init_generic_part (struct tui_gen_win_info *);
513 extern tui_win_content tui_alloc_content (int, enum tui_win_type);
514 extern int tui_add_content_elements (struct tui_gen_win_info *,
516 extern void tui_free_win_content (struct tui_gen_win_info *);
517 extern void tui_free_data_content (tui_win_content, int);
518 extern void tui_free_all_source_wins_content (void);
519 extern struct tui_win_info *tui_partial_win_by_name (const char *);
520 extern enum tui_layout_type tui_current_layout (void);
521 extern void tui_set_current_layout_to (enum tui_layout_type);
522 extern int tui_term_height (void);
523 extern void tui_set_term_height_to (int);
524 extern int tui_term_width (void);
525 extern void tui_set_term_width_to (int);
526 extern struct tui_gen_win_info *tui_locator_win_info_ptr (void);
527 extern std::vector<tui_source_window_base *> &tui_source_windows ();
528 extern void tui_clear_source_windows (void);
529 extern void tui_clear_source_windows_detail (void);
530 extern void tui_add_to_source_windows (struct tui_source_window_base *);
531 extern struct tui_win_info *tui_win_with_focus (void);
532 extern void tui_set_win_with_focus (struct tui_win_info *);
533 extern struct tui_layout_def *tui_layout_def (void);
534 extern int tui_win_resized (void);
535 extern void tui_set_win_resized_to (int);
537 extern struct tui_win_info *tui_next_win (struct tui_win_info *);
538 extern struct tui_win_info *tui_prev_win (struct tui_win_info *);
540 extern unsigned int tui_tab_width;
542 #endif /* TUI_TUI_DATA_H */