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 ();
55 WINDOW *handle = nullptr;
57 enum tui_win_type type;
62 /* Origin of window. */
63 struct tui_point origin = {0, 0};
64 /* Content of window. */
65 tui_win_content content = nullptr;
66 /* Size of content (# of elements). */
68 /* Can it be used, or is it already used? */
69 int content_in_use = FALSE;
70 /* Viewport height. */
71 int viewport_height = 0;
72 /* Index of last visible line. */
73 int last_visible_line = 0;
74 /* Whether the window is visible or not. */
75 bool is_visible = false;
76 /* Window title to display. */
77 char *title = nullptr;
80 /* Constant definitions. */
81 #define DEFAULT_TAB_LEN 8
82 #define NO_SRC_STRING "[ No Source Available ]"
83 #define NO_DISASSEM_STRING "[ No Assembly Available ]"
84 #define NO_REGS_STRING "[ Register Values Unavailable ]"
85 #define NO_DATA_STRING "[ No Data Values Displayed ]"
86 #define MAX_CONTENT_COUNT 100
87 #define SRC_NAME "src"
88 #define CMD_NAME "cmd"
89 #define DATA_NAME "regs"
90 #define DISASSEM_NAME "asm"
91 #define TUI_NULL_STR ""
92 #define DEFAULT_HISTORY_COUNT 25
93 #define BOX_WINDOW TRUE
94 #define DONT_BOX_WINDOW FALSE
96 #define NO_HILITE FALSE
97 #define WITH_LOCATOR TRUE
98 #define NO_LOCATOR FALSE
99 #define EMPTY_SOURCE_PROMPT TRUE
100 #define NO_EMPTY_SOURCE_PROMPT FALSE
101 #define UNDEFINED_ITEM -1
102 #define MIN_WIN_HEIGHT 3
103 #define MIN_CMD_WIN_HEIGHT 3
105 /* Strings to display in the TUI status line. */
106 #define PROC_PREFIX "In: "
107 #define LINE_PREFIX "L"
108 #define PC_PREFIX "PC: "
109 #define SINGLE_KEY "(SingleKey)"
111 /* Minimum/Maximum length of some fields displayed in the TUI status
113 #define MIN_LINE_WIDTH 4 /* Use at least 4 digits for line
115 #define MIN_PROC_WIDTH 12
116 #define MAX_TARGET_WIDTH 10
117 #define MAX_PID_WIDTH 19
119 /* Scroll direction enum. */
120 enum tui_scroll_direction
129 /* The kinds of layouts available. */
134 SRC_DISASSEM_COMMAND,
136 DISASSEM_DATA_COMMAND,
140 /* Basic data types that can be displayed in the data window. */
149 enum tui_line_or_address_kind
155 /* Structure describing source line or line address. */
156 struct tui_line_or_address
158 enum tui_line_or_address_kind loa;
166 /* Current Layout definition. */
167 struct tui_layout_def
169 enum tui_win_type display_mode;
173 /* Elements in the Source/Disassembly Window. */
174 struct tui_source_element
177 struct tui_line_or_address line_or_addr;
183 /* Elements in the data display window content. */
184 struct tui_data_element
187 int item_no; /* The register number, or data display
189 enum tui_data_type type;
196 /* Elements in the command window content. */
197 struct tui_command_element
203 # define MAX_LOCATOR_ELEMENT_LEN PATH_MAX
205 # define MAX_LOCATOR_ELEMENT_LEN 1024
208 /* Elements in the locator window content. */
209 struct tui_locator_element
211 /* Resolved absolute filename as returned by symtab_to_fullname. */
212 char full_name[MAX_LOCATOR_ELEMENT_LEN];
213 char proc_name[MAX_LOCATOR_ELEMENT_LEN];
216 /* Architecture associated with code at this location. */
217 struct gdbarch *gdbarch;
220 /* Flags to tell what kind of breakpoint is at current line. */
221 #define TUI_BP_ENABLED 0x01
222 #define TUI_BP_DISABLED 0x02
223 #define TUI_BP_HIT 0x04
224 #define TUI_BP_CONDITIONAL 0x08
225 #define TUI_BP_HARDWARE 0x10
227 /* Position of breakpoint markers in the exec info string. */
228 #define TUI_BP_HIT_POS 0
229 #define TUI_BP_BREAK_POS 1
230 #define TUI_EXEC_POS 2
231 #define TUI_EXECINFO_SIZE 4
233 typedef char tui_exec_info_content[TUI_EXECINFO_SIZE];
235 /* An content element in a window. */
236 union tui_which_element
238 struct tui_source_element source; /* The source elements. */
239 struct tui_gen_win_info *data_window; /* Data display elements. */
240 struct tui_data_element data; /* Elements of data_window. */
241 struct tui_command_element command; /* Command elements. */
242 struct tui_locator_element locator; /* Locator elements. */
243 tui_exec_info_content simple_string; /* Simple char based elements. */
246 struct tui_win_element
248 union tui_which_element which_element;
251 /* This defines information about each logical window. */
252 struct tui_win_info : public tui_gen_win_info
256 explicit tui_win_info (enum tui_win_type type);
257 DISABLE_COPY_AND_ASSIGN (tui_win_info);
259 /* Scroll the contents vertically. This is only called via
260 forward_scroll and backward_scroll. */
261 virtual void do_scroll_vertical (enum tui_scroll_direction,
262 int num_to_scroll) = 0;
264 /* Scroll the contents horizontally. This is only called via
265 left_scroll and right_scroll. */
266 virtual void do_scroll_horizontal (enum tui_scroll_direction,
267 int num_to_scroll) = 0;
271 ~tui_win_info () override;
273 /* Clear the pertinent detail in the window. */
274 virtual void clear_detail () = 0;
276 /* Return true if this window has the locator. */
277 virtual bool has_locator () const
282 /* Make this window visible or invisible. */
283 virtual void make_visible (bool visible);
285 /* Refresh this window and any associated windows. */
286 virtual void refresh ();
288 /* Called after all the TUI windows are refreshed, to let this
289 window have a chance to update itself further. */
290 virtual void refresh_all ()
294 /* Called after a TUI window is given a new height; this updates any
295 related auxiliary windows. */
296 virtual void set_new_height (int height)
300 /* Compute the maximum height of this window. */
301 virtual int max_height () const;
303 /* Set whether this window is highglighted. */
304 void set_highlight (bool highlight)
306 is_highlighted = highlight;
309 /* Methods to scroll the contents of this window. Note that they
310 are named with "_scroll" coming at the end because the more
311 obvious "scroll_forward" is defined as a macro in term.h. */
312 void forward_scroll (int num_to_scroll);
313 void backward_scroll (int num_to_scroll);
314 void left_scroll (int num_to_scroll);
315 void right_scroll (int num_to_scroll);
317 /* Can this window ever be highlighted? */
318 bool can_highlight = false;
320 /* Is this window highlighted? */
321 bool is_highlighted = false;
324 /* The base class for all source-like windows, namely the source and
325 disassembly windows. */
327 struct tui_source_window_base : public tui_win_info
330 explicit tui_source_window_base (enum tui_win_type type);
331 ~tui_source_window_base () override;
332 DISABLE_COPY_AND_ASSIGN (tui_source_window_base);
334 void do_scroll_horizontal (enum tui_scroll_direction,
335 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);
388 void do_scroll_vertical (enum tui_scroll_direction,
389 int num_to_scroll) override;
392 /* A TUI disassembly window. */
394 struct tui_disasm_window : public tui_source_window_base
397 : tui_source_window_base (DISASSEM_WIN)
401 DISABLE_COPY_AND_ASSIGN (tui_disasm_window);
405 void do_scroll_vertical (enum tui_scroll_direction,
406 int num_to_scroll) override;
409 struct tui_data_window : public tui_win_info
412 : tui_win_info (DATA_WIN)
416 ~tui_data_window () override;
417 DISABLE_COPY_AND_ASSIGN (tui_data_window);
419 void clear_detail () override;
420 void refresh_all () override;
422 void set_new_height (int height) override;
424 void refresh_window () override;
426 /* Start of data display content. */
427 tui_win_content data_content = NULL;
428 int data_content_count = 0;
429 /* Start of regs display content. */
430 tui_win_content regs_content = NULL;
431 int regs_content_count = 0;
432 int regs_column_count = 0;
433 /* Should regs be displayed at all? */
434 bool display_regs = false;
435 struct reggroup *current_group = nullptr;
439 void do_scroll_vertical (enum tui_scroll_direction,
440 int num_to_scroll) override;
441 void do_scroll_horizontal (enum tui_scroll_direction,
442 int num_to_scroll) override
447 struct tui_cmd_window : public tui_win_info
450 : tui_win_info (CMD_WIN)
454 DISABLE_COPY_AND_ASSIGN (tui_cmd_window);
456 void clear_detail () override;
458 void make_visible (bool visible) override
462 int max_height () const override;
464 void refresh_window () override
472 void do_scroll_vertical (enum tui_scroll_direction,
473 int num_to_scroll) override
477 void do_scroll_horizontal (enum tui_scroll_direction,
478 int num_to_scroll) override
483 extern int tui_win_is_auxillary (enum tui_win_type win_type);
487 extern struct tui_win_info *tui_win_list[MAX_MAJOR_WINDOWS];
489 #define TUI_SRC_WIN ((tui_source_window_base *) tui_win_list[SRC_WIN])
490 #define TUI_DISASM_WIN ((tui_source_window_base *) tui_win_list[DISASSEM_WIN])
491 #define TUI_DATA_WIN ((tui_data_window *) tui_win_list[DATA_WIN])
492 #define TUI_CMD_WIN ((tui_cmd_window *) tui_win_list[CMD_WIN])
494 /* Data Manipulation Functions. */
495 extern void tui_initialize_static_data (void);
496 extern struct tui_win_info *tui_alloc_win_info (enum tui_win_type);
497 extern void tui_init_generic_part (struct tui_gen_win_info *);
498 extern tui_win_content tui_alloc_content (int, enum tui_win_type);
499 extern int tui_add_content_elements (struct tui_gen_win_info *,
501 extern void tui_free_win_content (struct tui_gen_win_info *);
502 extern void tui_free_data_content (tui_win_content, int);
503 extern void tui_free_all_source_wins_content (void);
504 extern struct tui_win_info *tui_partial_win_by_name (const char *);
505 extern const char *tui_win_name (const struct tui_gen_win_info *);
506 extern enum tui_layout_type tui_current_layout (void);
507 extern void tui_set_current_layout_to (enum tui_layout_type);
508 extern int tui_term_height (void);
509 extern void tui_set_term_height_to (int);
510 extern int tui_term_width (void);
511 extern void tui_set_term_width_to (int);
512 extern struct tui_gen_win_info *tui_locator_win_info_ptr (void);
513 extern struct tui_gen_win_info *tui_source_exec_info_win_ptr (void);
514 extern struct tui_gen_win_info *tui_disassem_exec_info_win_ptr (void);
515 extern std::vector<tui_source_window_base *> &tui_source_windows ();
516 extern void tui_clear_source_windows (void);
517 extern void tui_clear_source_windows_detail (void);
518 extern void tui_add_to_source_windows (struct tui_source_window_base *);
519 extern struct tui_win_info *tui_win_with_focus (void);
520 extern void tui_set_win_with_focus (struct tui_win_info *);
521 extern struct tui_layout_def *tui_layout_def (void);
522 extern int tui_win_resized (void);
523 extern void tui_set_win_resized_to (int);
525 extern struct tui_win_info *tui_next_win (struct tui_win_info *);
526 extern struct tui_win_info *tui_prev_win (struct tui_win_info *);
528 extern unsigned int tui_tab_width;
530 #endif /* TUI_TUI_DATA_H */