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 WINDOW *handle; /* Window handle. */
43 enum tui_win_type type; /* Type of window. */
44 int width; /* Window width. */
45 int height; /* Window height. */
46 struct tui_point origin; /* Origin of window. */
47 tui_win_content content; /* Content of window. */
48 int content_size; /* Size of content (# of elements). */
49 int content_in_use; /* Can it be used, or is it already used? */
50 int viewport_height; /* Viewport height. */
51 int last_visible_line; /* Index of last visible line. */
52 bool is_visible; /* Whether the window is visible or not. */
53 char *title; /* Window title to display. */
56 /* Constant definitions. */
57 #define DEFAULT_TAB_LEN 8
58 #define NO_SRC_STRING "[ No Source Available ]"
59 #define NO_DISASSEM_STRING "[ No Assembly Available ]"
60 #define NO_REGS_STRING "[ Register Values Unavailable ]"
61 #define NO_DATA_STRING "[ No Data Values Displayed ]"
62 #define MAX_CONTENT_COUNT 100
63 #define SRC_NAME "src"
64 #define CMD_NAME "cmd"
65 #define DATA_NAME "regs"
66 #define DISASSEM_NAME "asm"
67 #define TUI_NULL_STR ""
68 #define DEFAULT_HISTORY_COUNT 25
69 #define BOX_WINDOW TRUE
70 #define DONT_BOX_WINDOW FALSE
72 #define NO_HILITE FALSE
73 #define WITH_LOCATOR TRUE
74 #define NO_LOCATOR FALSE
75 #define EMPTY_SOURCE_PROMPT TRUE
76 #define NO_EMPTY_SOURCE_PROMPT FALSE
77 #define UNDEFINED_ITEM -1
78 #define MIN_WIN_HEIGHT 3
79 #define MIN_CMD_WIN_HEIGHT 3
81 /* Strings to display in the TUI status line. */
82 #define PROC_PREFIX "In: "
83 #define LINE_PREFIX "L"
84 #define PC_PREFIX "PC: "
85 #define SINGLE_KEY "(SingleKey)"
87 /* Minimum/Maximum length of some fields displayed in the TUI status
89 #define MIN_LINE_WIDTH 4 /* Use at least 4 digits for line
91 #define MIN_PROC_WIDTH 12
92 #define MAX_TARGET_WIDTH 10
93 #define MAX_PID_WIDTH 19
95 /* Scroll direction enum. */
96 enum tui_scroll_direction
105 /* The kinds of layouts available. */
110 SRC_DISASSEM_COMMAND,
112 DISASSEM_DATA_COMMAND,
116 /* Basic data types that can be displayed in the data window. */
125 enum tui_line_or_address_kind
131 /* Structure describing source line or line address. */
132 struct tui_line_or_address
134 enum tui_line_or_address_kind loa;
142 /* Current Layout definition. */
143 struct tui_layout_def
145 enum tui_win_type display_mode;
149 /* Elements in the Source/Disassembly Window. */
150 struct tui_source_element
153 struct tui_line_or_address line_or_addr;
159 /* Elements in the data display window content. */
160 struct tui_data_element
163 int item_no; /* The register number, or data display
165 enum tui_data_type type;
172 /* Elements in the command window content. */
173 struct tui_command_element
179 # define MAX_LOCATOR_ELEMENT_LEN PATH_MAX
181 # define MAX_LOCATOR_ELEMENT_LEN 1024
184 /* Elements in the locator window content. */
185 struct tui_locator_element
187 /* Resolved absolute filename as returned by symtab_to_fullname. */
188 char full_name[MAX_LOCATOR_ELEMENT_LEN];
189 char proc_name[MAX_LOCATOR_ELEMENT_LEN];
192 /* Architecture associated with code at this location. */
193 struct gdbarch *gdbarch;
196 /* Flags to tell what kind of breakpoint is at current line. */
197 #define TUI_BP_ENABLED 0x01
198 #define TUI_BP_DISABLED 0x02
199 #define TUI_BP_HIT 0x04
200 #define TUI_BP_CONDITIONAL 0x08
201 #define TUI_BP_HARDWARE 0x10
203 /* Position of breakpoint markers in the exec info string. */
204 #define TUI_BP_HIT_POS 0
205 #define TUI_BP_BREAK_POS 1
206 #define TUI_EXEC_POS 2
207 #define TUI_EXECINFO_SIZE 4
209 typedef char tui_exec_info_content[TUI_EXECINFO_SIZE];
211 /* An content element in a window. */
212 union tui_which_element
214 struct tui_source_element source; /* The source elements. */
215 struct tui_gen_win_info data_window; /* Data display elements. */
216 struct tui_data_element data; /* Elements of data_window. */
217 struct tui_command_element command; /* Command elements. */
218 struct tui_locator_element locator; /* Locator elements. */
219 tui_exec_info_content simple_string; /* Simple char based elements. */
222 struct tui_win_element
224 union tui_which_element which_element;
227 /* This defines information about each logical window. */
232 explicit tui_win_info (enum tui_win_type type);
233 DISABLE_COPY_AND_ASSIGN (tui_win_info);
235 /* Scroll the contents vertically. This is only called via
236 forward_scroll and backward_scroll. */
237 virtual void do_scroll_vertical (enum tui_scroll_direction,
238 int num_to_scroll) = 0;
240 /* Scroll the contents horizontally. This is only called via
241 left_scroll and right_scroll. */
242 virtual void do_scroll_horizontal (enum tui_scroll_direction,
243 int num_to_scroll) = 0;
247 virtual ~tui_win_info ();
249 /* Clear the pertinent detail in the window. */
250 virtual void clear_detail () = 0;
252 /* Return true if this window has the locator. */
253 virtual bool has_locator () const
258 /* Make this window visible or invisible. */
259 virtual void make_visible (bool visible);
261 /* Refresh this window and any associated windows. */
262 virtual void refresh ();
264 /* Called after all the TUI windows are refreshed, to let this
265 window have a chance to update itself further. */
266 virtual void refresh_all ()
270 /* Methods to scroll the contents of this window. Note that they
271 are named with "_scroll" coming at the end because the more
272 obvious "scroll_forward" is defined as a macro in term.h. */
273 void forward_scroll (int num_to_scroll);
274 void backward_scroll (int num_to_scroll);
275 void left_scroll (int num_to_scroll);
276 void right_scroll (int num_to_scroll);
278 struct tui_gen_win_info generic; /* General window information. */
280 /* Can this window ever be highlighted? */
281 int can_highlight = 0;
283 /* Is this window highlighted? */
284 int is_highlighted = 0;
287 /* The base class for all source-like windows, namely the source and
288 disassembly windows. */
290 struct tui_source_window_base : public tui_win_info
293 explicit tui_source_window_base (enum tui_win_type type);
294 ~tui_source_window_base () override;
295 DISABLE_COPY_AND_ASSIGN (tui_source_window_base);
297 void do_scroll_horizontal (enum tui_scroll_direction,
298 int num_to_scroll) override;
302 void clear_detail () override;
304 /* Return true if this window has the locator. */
305 bool has_locator () const override
307 return m_has_locator;
310 void make_visible (bool visible) override;
311 void refresh () override;
312 void refresh_all () override;
314 /* Refill the source window's source cache and update it. If this
315 is a disassembly window, then just update it. */
318 /* Set the location of the execution point. */
319 void set_is_exec_point_at (struct tui_line_or_address l);
321 /* Does the locator belong to this window? */
322 bool m_has_locator = false;
323 /* Execution information window. */
324 struct tui_gen_win_info *execution_info = nullptr;
325 /* Used for horizontal scroll. */
326 int horizontal_offset = 0;
327 struct tui_line_or_address start_line_or_addr;
329 /* It is the resolved form as returned by symtab_to_fullname. */
330 char *fullname = nullptr;
332 /* Architecture associated with code at this location. */
333 struct gdbarch *gdbarch = nullptr;
336 /* A TUI source window. */
338 struct tui_source_window : public tui_source_window_base
341 : tui_source_window_base (SRC_WIN)
345 DISABLE_COPY_AND_ASSIGN (tui_source_window);
349 void do_scroll_vertical (enum tui_scroll_direction,
350 int num_to_scroll) override;
353 /* A TUI disassembly window. */
355 struct tui_disasm_window : public tui_source_window_base
358 : tui_source_window_base (DISASSEM_WIN)
362 DISABLE_COPY_AND_ASSIGN (tui_disasm_window);
366 void do_scroll_vertical (enum tui_scroll_direction,
367 int num_to_scroll) override;
370 struct tui_data_window : public tui_win_info
373 : tui_win_info (DATA_WIN)
377 ~tui_data_window () override;
378 DISABLE_COPY_AND_ASSIGN (tui_data_window);
380 void clear_detail () override;
381 void refresh_all () override;
383 /* Start of data display content. */
384 tui_win_content data_content = NULL;
385 int data_content_count = 0;
386 /* Start of regs display content. */
387 tui_win_content regs_content = NULL;
388 int regs_content_count = 0;
389 int regs_column_count = 0;
390 /* Should regs be displayed at all? */
391 bool display_regs = false;
392 struct reggroup *current_group = nullptr;
396 void do_scroll_vertical (enum tui_scroll_direction,
397 int num_to_scroll) override;
398 void do_scroll_horizontal (enum tui_scroll_direction,
399 int num_to_scroll) override
404 struct tui_cmd_window : public tui_win_info
407 : tui_win_info (CMD_WIN)
411 DISABLE_COPY_AND_ASSIGN (tui_cmd_window);
413 void clear_detail () override;
415 void make_visible (bool visible) override
423 void do_scroll_vertical (enum tui_scroll_direction,
424 int num_to_scroll) override
428 void do_scroll_horizontal (enum tui_scroll_direction,
429 int num_to_scroll) override
434 extern int tui_win_is_auxillary (enum tui_win_type win_type);
435 extern void tui_set_win_highlight (struct tui_win_info *win_info,
440 extern struct tui_win_info *tui_win_list[MAX_MAJOR_WINDOWS];
442 #define TUI_SRC_WIN ((tui_source_window_base *) tui_win_list[SRC_WIN])
443 #define TUI_DISASM_WIN ((tui_source_window_base *) tui_win_list[DISASSEM_WIN])
444 #define TUI_DATA_WIN ((tui_data_window *) tui_win_list[DATA_WIN])
445 #define TUI_CMD_WIN ((tui_cmd_window *) tui_win_list[CMD_WIN])
447 /* Data Manipulation Functions. */
448 extern void tui_initialize_static_data (void);
449 extern struct tui_gen_win_info *tui_alloc_generic_win_info (void);
450 extern struct tui_win_info *tui_alloc_win_info (enum tui_win_type);
451 extern void tui_init_generic_part (struct tui_gen_win_info *);
452 extern tui_win_content tui_alloc_content (int, enum tui_win_type);
453 extern int tui_add_content_elements (struct tui_gen_win_info *,
455 extern void tui_free_win_content (struct tui_gen_win_info *);
456 extern void tui_free_data_content (tui_win_content, int);
457 extern void tui_free_all_source_wins_content (void);
458 extern struct tui_win_info *tui_partial_win_by_name (const char *);
459 extern const char *tui_win_name (const struct tui_gen_win_info *);
460 extern enum tui_layout_type tui_current_layout (void);
461 extern void tui_set_current_layout_to (enum tui_layout_type);
462 extern int tui_term_height (void);
463 extern void tui_set_term_height_to (int);
464 extern int tui_term_width (void);
465 extern void tui_set_term_width_to (int);
466 extern struct tui_gen_win_info *tui_locator_win_info_ptr (void);
467 extern struct tui_gen_win_info *tui_source_exec_info_win_ptr (void);
468 extern struct tui_gen_win_info *tui_disassem_exec_info_win_ptr (void);
469 extern std::vector<tui_source_window_base *> &tui_source_windows ();
470 extern void tui_clear_source_windows (void);
471 extern void tui_clear_source_windows_detail (void);
472 extern void tui_add_to_source_windows (struct tui_source_window_base *);
473 extern struct tui_win_info *tui_win_with_focus (void);
474 extern void tui_set_win_with_focus (struct tui_win_info *);
475 extern struct tui_layout_def *tui_layout_def (void);
476 extern int tui_win_resized (void);
477 extern void tui_set_win_resized_to (int);
479 extern struct tui_win_info *tui_next_win (struct tui_win_info *);
480 extern struct tui_win_info *tui_prev_win (struct tui_win_info *);
482 extern unsigned int tui_tab_width;
484 #endif /* TUI_TUI_DATA_H */