Commit | Line | Data |
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f377b406 | 1 | /* TUI display source/assembly window. |
f80bda8e | 2 | |
42a4f53d | 3 | Copyright (C) 1998-2019 Free Software Foundation, Inc. |
f80bda8e | 4 | |
f377b406 SC |
5 | Contributed by Hewlett-Packard Company. |
6 | ||
7 | This file is part of GDB. | |
8 | ||
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 | |
a9762ec7 | 11 | the Free Software Foundation; either version 3 of the License, or |
f377b406 SC |
12 | (at your option) any later version. |
13 | ||
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. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
f377b406 | 21 | |
1a5c2598 TT |
22 | #ifndef TUI_TUI_WINSOURCE_H |
23 | #define TUI_TUI_WINSOURCE_H | |
f80bda8e AC |
24 | |
25 | #include "tui/tui-data.h" | |
26 | ||
7b56485d TT |
27 | /* Flags to tell what kind of breakpoint is at current line. */ |
28 | enum tui_bp_flag | |
29 | { | |
30 | TUI_BP_ENABLED = 0x01, | |
31 | TUI_BP_DISABLED = 0x02, | |
32 | TUI_BP_HIT = 0x04, | |
33 | TUI_BP_CONDITIONAL = 0x08, | |
34 | TUI_BP_HARDWARE = 0x10 | |
35 | }; | |
36 | ||
37 | DEF_ENUM_FLAGS_TYPE (enum tui_bp_flag, tui_bp_flags); | |
38 | ||
39 | /* Position of breakpoint markers in the exec info string. */ | |
40 | #define TUI_BP_HIT_POS 0 | |
41 | #define TUI_BP_BREAK_POS 1 | |
42 | #define TUI_EXEC_POS 2 | |
43 | #define TUI_EXECINFO_SIZE 4 | |
44 | ||
45 | typedef char tui_exec_info_content[TUI_EXECINFO_SIZE]; | |
46 | ||
5104fe36 TT |
47 | /* Execution info window class. */ |
48 | ||
49 | struct tui_exec_info_window : public tui_gen_win_info | |
50 | { | |
51 | tui_exec_info_window () | |
52 | : tui_gen_win_info (EXEC_INFO_WIN) | |
53 | { | |
54 | } | |
55 | ||
56 | ~tui_exec_info_window () override | |
57 | { | |
58 | xfree (m_content); | |
59 | } | |
60 | ||
61 | /* Get or allocate contents. */ | |
62 | tui_exec_info_content *maybe_allocate_content (int n_elements); | |
63 | ||
64 | /* Return the contents. */ | |
65 | const tui_exec_info_content *get_content () const | |
66 | { | |
67 | return m_content; | |
68 | } | |
69 | ||
70 | private: | |
71 | ||
72 | tui_exec_info_content *m_content = nullptr; | |
73 | }; | |
74 | ||
7b56485d TT |
75 | /* Elements in the Source/Disassembly Window. */ |
76 | struct tui_source_element | |
77 | { | |
78 | tui_source_element () | |
79 | { | |
80 | line_or_addr.loa = LOA_LINE; | |
81 | line_or_addr.u.line_no = 0; | |
82 | } | |
83 | ||
84 | ~tui_source_element () | |
85 | { | |
86 | xfree (line); | |
87 | } | |
88 | ||
89 | char *line = nullptr; | |
90 | struct tui_line_or_address line_or_addr; | |
91 | bool is_exec_point = false; | |
92 | tui_bp_flags break_mode = 0; | |
93 | }; | |
94 | ||
95 | ||
5104fe36 TT |
96 | /* The base class for all source-like windows, namely the source and |
97 | disassembly windows. */ | |
98 | ||
99 | struct tui_source_window_base : public tui_win_info | |
100 | { | |
101 | protected: | |
102 | explicit tui_source_window_base (enum tui_win_type type); | |
103 | ~tui_source_window_base () override; | |
104 | DISABLE_COPY_AND_ASSIGN (tui_source_window_base); | |
105 | ||
106 | void do_scroll_horizontal (int num_to_scroll) override; | |
107 | void do_make_visible_with_new_height () override; | |
108 | ||
109 | public: | |
110 | ||
a3504e96 | 111 | void clear_detail (); |
5104fe36 TT |
112 | |
113 | void make_visible (bool visible) override; | |
114 | void refresh_window () override; | |
115 | void refresh_all () override; | |
116 | ||
117 | /* Refill the source window's source cache and update it. If this | |
118 | is a disassembly window, then just update it. */ | |
119 | void refill (); | |
120 | ||
121 | /* Set the location of the execution point. */ | |
122 | void set_is_exec_point_at (struct tui_line_or_address l); | |
123 | ||
124 | void set_new_height (int height) override; | |
125 | ||
126 | void update_tab_width () override; | |
127 | ||
128 | virtual bool location_matches_p (struct bp_location *loc, int line_no) = 0; | |
129 | ||
130 | void reset (int height, int width, | |
131 | int origin_x, int origin_y) override; | |
132 | ||
0bd27e07 TT |
133 | void show_source_content (); |
134 | ||
37a4a131 | 135 | void set_exec_info_content (); |
7ba913dc | 136 | void update_exec_info (); |
37a4a131 | 137 | |
5104fe36 TT |
138 | /* Does the locator belong to this window? */ |
139 | bool m_has_locator = false; | |
140 | /* Execution information window. */ | |
141 | struct tui_exec_info_window *execution_info; | |
142 | /* Used for horizontal scroll. */ | |
143 | int horizontal_offset = 0; | |
144 | struct tui_line_or_address start_line_or_addr; | |
145 | ||
146 | /* It is the resolved form as returned by symtab_to_fullname. */ | |
147 | char *fullname = nullptr; | |
148 | ||
149 | /* Architecture associated with code at this location. */ | |
150 | struct gdbarch *gdbarch = nullptr; | |
151 | ||
152 | std::vector<tui_source_element> content; | |
8270ac62 TT |
153 | |
154 | private: | |
155 | void show_exec_info_content (); | |
5104fe36 | 156 | }; |
c906108c | 157 | |
f80bda8e AC |
158 | /* Update the execution windows to show the active breakpoints. This |
159 | is called whenever a breakpoint is inserted, removed or has its | |
0807ab7b TT |
160 | state changed. Normally BEING_DELETED is nullptr; if not nullptr, |
161 | it indicates a breakpoint that is in the process of being deleted, | |
162 | and which should therefore be ignored by the update. This is done | |
163 | because the relevant observer is notified before the breakpoint is | |
164 | removed from the list of breakpoints. */ | |
165 | extern void tui_update_all_breakpoint_info (struct breakpoint *being_deleted); | |
00b2bad4 | 166 | |
0598af48 | 167 | /* Scan the source window and the breakpoints to update the break_mode |
0807ab7b TT |
168 | information for each line. Returns true if something changed and |
169 | the execution window must be refreshed. See | |
170 | tui_update_all_breakpoint_info for a description of | |
171 | BEING_DELETED. */ | |
172 | extern bool tui_update_breakpoint_info (struct tui_source_window_base *win, | |
173 | struct breakpoint *being_deleted, | |
174 | bool current_only); | |
00b2bad4 | 175 | |
1f393769 SC |
176 | /* Function to display the "main" routine. */ |
177 | extern void tui_display_main (void); | |
be4da588 | 178 | extern void tui_update_source_window (struct tui_source_window_base *, |
13274fc3 | 179 | struct gdbarch *, struct symtab *, |
08ef48c5 MS |
180 | struct tui_line_or_address, |
181 | int); | |
be4da588 | 182 | extern void tui_update_source_window_as_is (struct tui_source_window_base *, |
13274fc3 | 183 | struct gdbarch *, struct symtab *, |
08ef48c5 MS |
184 | struct tui_line_or_address, |
185 | int); | |
13274fc3 | 186 | extern void tui_update_source_windows_with_addr (struct gdbarch *, CORE_ADDR); |
08ef48c5 MS |
187 | extern void tui_update_source_windows_with_line (struct symtab *, |
188 | int); | |
caf0bc4e TT |
189 | extern void tui_clear_source_content (struct tui_source_window_base *); |
190 | extern void tui_erase_source_content (struct tui_source_window_base *); | |
f80bda8e | 191 | |
53e7cdba TT |
192 | extern void tui_alloc_source_buffer (struct tui_source_window_base *); |
193 | extern int tui_line_is_displayed (int, | |
194 | struct tui_source_window_base *, | |
08ef48c5 | 195 | int); |
53e7cdba TT |
196 | extern int tui_addr_is_displayed (CORE_ADDR, |
197 | struct tui_source_window_base *, | |
08ef48c5 | 198 | int); |
f80bda8e AC |
199 | |
200 | ||
201 | /* Constant definitions. */ | |
1cc6d956 | 202 | #define SCROLL_THRESHOLD 2 /* Threshold for lazy scroll. */ |
c906108c | 203 | |
1a5c2598 | 204 | #endif /* TUI_TUI_WINSOURCE_H */ |