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 ()
51 /* Call to refresh this window. */
52 virtual void refresh_window ();
54 /* Return the name of this type of window. */
55 virtual const char *name () const
61 WINDOW *handle = nullptr;
63 enum tui_win_type type;
68 /* Origin of window. */
69 struct tui_point origin = {0, 0};
70 /* Content of window. */
71 tui_win_content content = nullptr;
72 /* Size of content (# of elements). */
74 /* Can it be used, or is it already used? */
75 int content_in_use = FALSE;
76 /* Viewport height. */
77 int viewport_height = 0;
78 /* Index of last visible line. */
79 int last_visible_line = 0;
80 /* Whether the window is visible or not. */
81 bool is_visible = false;
82 /* Window title to display. */
83 char *title = nullptr;
86 /* Constant definitions. */
87 #define DEFAULT_TAB_LEN 8
88 #define NO_SRC_STRING "[ No Source Available ]"
89 #define NO_DISASSEM_STRING "[ No Assembly Available ]"
90 #define NO_REGS_STRING "[ Register Values Unavailable ]"
91 #define NO_DATA_STRING "[ No Data Values Displayed ]"
92 #define MAX_CONTENT_COUNT 100
93 #define SRC_NAME "src"
94 #define CMD_NAME "cmd"
95 #define DATA_NAME "regs"
96 #define DISASSEM_NAME "asm"
97 #define TUI_NULL_STR ""
98 #define DEFAULT_HISTORY_COUNT 25
99 #define BOX_WINDOW TRUE
100 #define DONT_BOX_WINDOW FALSE
102 #define NO_HILITE FALSE
103 #define WITH_LOCATOR TRUE
104 #define NO_LOCATOR FALSE
105 #define EMPTY_SOURCE_PROMPT TRUE
106 #define NO_EMPTY_SOURCE_PROMPT FALSE
107 #define UNDEFINED_ITEM -1
108 #define MIN_WIN_HEIGHT 3
109 #define MIN_CMD_WIN_HEIGHT 3
111 /* Strings to display in the TUI status line. */
112 #define PROC_PREFIX "In: "
113 #define LINE_PREFIX "L"
114 #define PC_PREFIX "PC: "
115 #define SINGLE_KEY "(SingleKey)"
117 /* Minimum/Maximum length of some fields displayed in the TUI status
119 #define MIN_LINE_WIDTH 4 /* Use at least 4 digits for line
121 #define MIN_PROC_WIDTH 12
122 #define MAX_TARGET_WIDTH 10
123 #define MAX_PID_WIDTH 19
125 /* Scroll direction enum. */
126 enum tui_scroll_direction
135 /* The kinds of layouts available. */
140 SRC_DISASSEM_COMMAND,
142 DISASSEM_DATA_COMMAND,
146 /* Basic data types that can be displayed in the data window. */
155 enum tui_line_or_address_kind
161 /* Structure describing source line or line address. */
162 struct tui_line_or_address
164 enum tui_line_or_address_kind loa;
172 /* Current Layout definition. */
173 struct tui_layout_def
175 enum tui_win_type display_mode;
179 /* Elements in the Source/Disassembly Window. */
180 struct tui_source_element
183 struct tui_line_or_address line_or_addr;
189 /* Elements in the data display window content. */
190 struct tui_data_element
193 int item_no; /* The register number, or data display
195 enum tui_data_type type;
202 /* Elements in the command window content. */
203 struct tui_command_element
209 # define MAX_LOCATOR_ELEMENT_LEN PATH_MAX
211 # define MAX_LOCATOR_ELEMENT_LEN 1024
214 /* Elements in the locator window content. */
215 struct tui_locator_element
217 /* Resolved absolute filename as returned by symtab_to_fullname. */
218 char full_name[MAX_LOCATOR_ELEMENT_LEN];
219 char proc_name[MAX_LOCATOR_ELEMENT_LEN];
222 /* Architecture associated with code at this location. */
223 struct gdbarch *gdbarch;
226 /* Flags to tell what kind of breakpoint is at current line. */
227 #define TUI_BP_ENABLED 0x01
228 #define TUI_BP_DISABLED 0x02
229 #define TUI_BP_HIT 0x04
230 #define TUI_BP_CONDITIONAL 0x08
231 #define TUI_BP_HARDWARE 0x10
233 /* Position of breakpoint markers in the exec info string. */
234 #define TUI_BP_HIT_POS 0
235 #define TUI_BP_BREAK_POS 1
236 #define TUI_EXEC_POS 2
237 #define TUI_EXECINFO_SIZE 4
239 typedef char tui_exec_info_content[TUI_EXECINFO_SIZE];
241 /* An content element in a window. */
242 union tui_which_element
244 struct tui_source_element source; /* The source elements. */
245 struct tui_gen_win_info *data_window; /* Data display elements. */
246 struct tui_data_element data; /* Elements of data_window. */
247 struct tui_command_element command; /* Command elements. */
248 struct tui_locator_element locator; /* Locator elements. */
249 tui_exec_info_content simple_string; /* Simple char based elements. */
252 struct tui_win_element
254 union tui_which_element which_element;
257 /* This defines information about each logical window. */
258 struct tui_win_info : public tui_gen_win_info
262 explicit tui_win_info (enum tui_win_type type);
263 DISABLE_COPY_AND_ASSIGN (tui_win_info);
265 /* Scroll the contents vertically. This is only called via
266 forward_scroll and backward_scroll. */
267 virtual void do_scroll_vertical (enum tui_scroll_direction,
268 int num_to_scroll) = 0;
270 /* Scroll the contents horizontally. This is only called via
271 left_scroll and right_scroll. */
272 virtual void do_scroll_horizontal (enum tui_scroll_direction,
273 int num_to_scroll) = 0;
277 ~tui_win_info () override;
279 /* Clear the pertinent detail in the window. */
280 virtual void clear_detail () = 0;
282 /* Return true if this window has the locator. */
283 virtual bool has_locator () const
288 /* Make this window visible or invisible. */
289 virtual void make_visible (bool visible);
291 /* Refresh this window and any associated windows. */
292 virtual void refresh ();
294 /* Called after all the TUI windows are refreshed, to let this
295 window have a chance to update itself further. */
296 virtual void refresh_all ()
300 /* Called after a TUI window is given a new height; this updates any
301 related auxiliary windows. */
302 virtual void set_new_height (int height)
306 /* Compute the maximum height of this window. */
307 virtual int max_height () const;
309 /* Set whether this window is highglighted. */
310 void set_highlight (bool highlight)
312 is_highlighted = highlight;
315 /* Methods to scroll the contents of this window. Note that they
316 are named with "_scroll" coming at the end because the more
317 obvious "scroll_forward" is defined as a macro in term.h. */
318 void forward_scroll (int num_to_scroll);
319 void backward_scroll (int num_to_scroll);
320 void left_scroll (int num_to_scroll);
321 void right_scroll (int num_to_scroll);
323 /* Can this window ever be highlighted? */
324 bool can_highlight = false;
326 /* Is this window highlighted? */
327 bool is_highlighted = false;
330 /* The base class for all source-like windows, namely the source and
331 disassembly windows. */
333 struct tui_source_window_base : public tui_win_info
336 explicit tui_source_window_base (enum tui_win_type type);
337 ~tui_source_window_base () override;
338 DISABLE_COPY_AND_ASSIGN (tui_source_window_base);
340 void do_scroll_horizontal (enum tui_scroll_direction,
341 int num_to_scroll) override;
345 void clear_detail () override;
347 /* Return true if this window has the locator. */
348 bool has_locator () const override
350 return m_has_locator;
353 void make_visible (bool visible) override;
354 void refresh () override;
355 void refresh_all () override;
357 /* Refill the source window's source cache and update it. If this
358 is a disassembly window, then just update it. */
361 /* Set the location of the execution point. */
362 void set_is_exec_point_at (struct tui_line_or_address l);
364 void set_new_height (int height) override;
366 /* Does the locator belong to this window? */
367 bool m_has_locator = false;
368 /* Execution information window. */
369 struct tui_gen_win_info *execution_info = nullptr;
370 /* Used for horizontal scroll. */
371 int horizontal_offset = 0;
372 struct tui_line_or_address start_line_or_addr;
374 /* It is the resolved form as returned by symtab_to_fullname. */
375 char *fullname = nullptr;
377 /* Architecture associated with code at this location. */
378 struct gdbarch *gdbarch = nullptr;
381 /* A TUI source window. */
383 struct tui_source_window : public tui_source_window_base
386 : tui_source_window_base (SRC_WIN)
390 DISABLE_COPY_AND_ASSIGN (tui_source_window);
392 const char *name () const override
399 void do_scroll_vertical (enum tui_scroll_direction,
400 int num_to_scroll) override;
403 /* A TUI disassembly window. */
405 struct tui_disasm_window : public tui_source_window_base
408 : tui_source_window_base (DISASSEM_WIN)
412 DISABLE_COPY_AND_ASSIGN (tui_disasm_window);
414 const char *name () const override
416 return DISASSEM_NAME;
421 void do_scroll_vertical (enum tui_scroll_direction,
422 int num_to_scroll) override;
425 struct tui_data_window : public tui_win_info
428 : tui_win_info (DATA_WIN)
432 ~tui_data_window () override;
433 DISABLE_COPY_AND_ASSIGN (tui_data_window);
435 void clear_detail () override;
436 void refresh_all () override;
438 void set_new_height (int height) override;
440 void refresh_window () override;
442 const char *name () const override
447 /* Start of data display content. */
448 tui_win_content data_content = NULL;
449 int data_content_count = 0;
450 /* Start of regs display content. */
451 tui_win_content regs_content = NULL;
452 int regs_content_count = 0;
453 int regs_column_count = 0;
454 /* Should regs be displayed at all? */
455 bool display_regs = false;
456 struct reggroup *current_group = nullptr;
460 void do_scroll_vertical (enum tui_scroll_direction,
461 int num_to_scroll) override;
462 void do_scroll_horizontal (enum tui_scroll_direction,
463 int num_to_scroll) override
468 struct tui_cmd_window : public tui_win_info
471 : tui_win_info (CMD_WIN)
475 DISABLE_COPY_AND_ASSIGN (tui_cmd_window);
477 void clear_detail () override;
479 void make_visible (bool visible) override
483 int max_height () const override;
485 void refresh_window () override
489 const char *name () const override
498 void do_scroll_vertical (enum tui_scroll_direction,
499 int num_to_scroll) override
503 void do_scroll_horizontal (enum tui_scroll_direction,
504 int num_to_scroll) override
509 extern int tui_win_is_auxillary (enum tui_win_type win_type);
513 extern struct tui_win_info *tui_win_list[MAX_MAJOR_WINDOWS];
515 #define TUI_SRC_WIN ((tui_source_window_base *) tui_win_list[SRC_WIN])
516 #define TUI_DISASM_WIN ((tui_source_window_base *) tui_win_list[DISASSEM_WIN])
517 #define TUI_DATA_WIN ((tui_data_window *) tui_win_list[DATA_WIN])
518 #define TUI_CMD_WIN ((tui_cmd_window *) tui_win_list[CMD_WIN])
520 /* Data Manipulation Functions. */
521 extern void tui_initialize_static_data (void);
522 extern struct tui_win_info *tui_alloc_win_info (enum tui_win_type);
523 extern void tui_init_generic_part (struct tui_gen_win_info *);
524 extern tui_win_content tui_alloc_content (int, enum tui_win_type);
525 extern int tui_add_content_elements (struct tui_gen_win_info *,
527 extern void tui_free_win_content (struct tui_gen_win_info *);
528 extern void tui_free_data_content (tui_win_content, int);
529 extern void tui_free_all_source_wins_content (void);
530 extern struct tui_win_info *tui_partial_win_by_name (const char *);
531 extern enum tui_layout_type tui_current_layout (void);
532 extern void tui_set_current_layout_to (enum tui_layout_type);
533 extern int tui_term_height (void);
534 extern void tui_set_term_height_to (int);
535 extern int tui_term_width (void);
536 extern void tui_set_term_width_to (int);
537 extern struct tui_gen_win_info *tui_locator_win_info_ptr (void);
538 extern struct tui_gen_win_info *tui_source_exec_info_win_ptr (void);
539 extern struct tui_gen_win_info *tui_disassem_exec_info_win_ptr (void);
540 extern std::vector<tui_source_window_base *> &tui_source_windows ();
541 extern void tui_clear_source_windows (void);
542 extern void tui_clear_source_windows_detail (void);
543 extern void tui_add_to_source_windows (struct tui_source_window_base *);
544 extern struct tui_win_info *tui_win_with_focus (void);
545 extern void tui_set_win_with_focus (struct tui_win_info *);
546 extern struct tui_layout_def *tui_layout_def (void);
547 extern int tui_win_resized (void);
548 extern void tui_set_win_resized_to (int);
550 extern struct tui_win_info *tui_next_win (struct tui_win_info *);
551 extern struct tui_win_info *tui_prev_win (struct tui_win_info *);
553 extern unsigned int tui_tab_width;
555 #endif /* TUI_TUI_DATA_H */