Commit | Line | Data |
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8b93c638 | 1 | /* Output generating routines for GDB CLI. |
349c5d5f | 2 | |
32d0add0 | 3 | Copyright (C) 1999-2015 Free Software Foundation, Inc. |
349c5d5f | 4 | |
8b93c638 JM |
5 | Contributed by Cygnus Solutions. |
6 | Written by Fernando Nasser for Cygnus. | |
7 | ||
8 | This file is part of GDB. | |
9 | ||
10 | This program is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 12 | the Free Software Foundation; either version 3 of the License, or |
8b93c638 JM |
13 | (at your option) any later version. |
14 | ||
15 | This program is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
8b93c638 JM |
22 | |
23 | #include "defs.h" | |
24 | #include "ui-out.h" | |
25 | #include "cli-out.h" | |
82083d6d | 26 | #include "completer.h" |
14dba4b4 | 27 | #include "vec.h" |
82083d6d | 28 | #include "readline/readline.h" |
8b93c638 | 29 | |
0a8fce9a | 30 | typedef struct cli_ui_out_data cli_out_data; |
8b93c638 | 31 | |
8b93c638 JM |
32 | /* Prototypes for local functions */ |
33 | ||
02a45ac0 | 34 | static void cli_text (struct ui_out *uiout, const char *string); |
8b93c638 JM |
35 | |
36 | static void field_separator (void); | |
37 | ||
e2e11a41 AC |
38 | static void out_field_fmt (struct ui_out *uiout, int fldno, |
39 | const char *fldname, | |
a0b31db1 | 40 | const char *format,...) ATTRIBUTE_PRINTF (4, 5); |
8b93c638 | 41 | |
17b2616c PA |
42 | /* The destructor. */ |
43 | ||
44 | static void | |
45 | cli_uiout_dtor (struct ui_out *ui_out) | |
46 | { | |
47 | cli_out_data *data = ui_out_data (ui_out); | |
48 | ||
49 | VEC_free (ui_filep, data->streams); | |
50 | xfree (data); | |
51 | } | |
52 | ||
02a45ac0 PA |
53 | /* These are the CLI output functions */ |
54 | ||
8b93c638 JM |
55 | /* Mark beginning of a table */ |
56 | ||
02a45ac0 | 57 | static void |
e2e11a41 | 58 | cli_table_begin (struct ui_out *uiout, int nbrofcols, |
d63f1d40 | 59 | int nr_rows, |
e2e11a41 | 60 | const char *tblid) |
8b93c638 | 61 | { |
1248ede2 | 62 | cli_out_data *data = ui_out_data (uiout); |
c5504eaf | 63 | |
698384cd AC |
64 | if (nr_rows == 0) |
65 | data->suppress_output = 1; | |
66 | else | |
ce2826aa | 67 | /* Only the table suppresses the output and, fortunately, a table |
30fdc99f | 68 | is not a recursive data structure. */ |
698384cd | 69 | gdb_assert (data->suppress_output == 0); |
8b93c638 JM |
70 | } |
71 | ||
72 | /* Mark beginning of a table body */ | |
73 | ||
02a45ac0 | 74 | static void |
fba45db2 | 75 | cli_table_body (struct ui_out *uiout) |
8b93c638 | 76 | { |
1248ede2 | 77 | cli_out_data *data = ui_out_data (uiout); |
c5504eaf | 78 | |
698384cd AC |
79 | if (data->suppress_output) |
80 | return; | |
8b93c638 JM |
81 | /* first, close the table header line */ |
82 | cli_text (uiout, "\n"); | |
83 | } | |
84 | ||
85 | /* Mark end of a table */ | |
86 | ||
02a45ac0 | 87 | static void |
fba45db2 | 88 | cli_table_end (struct ui_out *uiout) |
8b93c638 | 89 | { |
1248ede2 | 90 | cli_out_data *data = ui_out_data (uiout); |
c5504eaf | 91 | |
698384cd | 92 | data->suppress_output = 0; |
8b93c638 JM |
93 | } |
94 | ||
95 | /* Specify table header */ | |
96 | ||
02a45ac0 | 97 | static void |
fba45db2 | 98 | cli_table_header (struct ui_out *uiout, int width, enum ui_align alignment, |
b25959ec | 99 | const char *col_name, |
e2e11a41 | 100 | const char *colhdr) |
8b93c638 | 101 | { |
1248ede2 | 102 | cli_out_data *data = ui_out_data (uiout); |
c5504eaf | 103 | |
698384cd AC |
104 | if (data->suppress_output) |
105 | return; | |
0a8fce9a PA |
106 | |
107 | /* Always go through the function pointer (virtual function call). | |
108 | We may have been extended. */ | |
109 | uo_field_string (uiout, 0, width, alignment, 0, colhdr); | |
8b93c638 JM |
110 | } |
111 | ||
112 | /* Mark beginning of a list */ | |
113 | ||
02a45ac0 | 114 | static void |
631ec795 AC |
115 | cli_begin (struct ui_out *uiout, |
116 | enum ui_out_type type, | |
117 | int level, | |
118 | const char *id) | |
8b93c638 | 119 | { |
1248ede2 | 120 | cli_out_data *data = ui_out_data (uiout); |
c5504eaf | 121 | |
698384cd AC |
122 | if (data->suppress_output) |
123 | return; | |
8b93c638 JM |
124 | } |
125 | ||
126 | /* Mark end of a list */ | |
127 | ||
02a45ac0 | 128 | static void |
631ec795 AC |
129 | cli_end (struct ui_out *uiout, |
130 | enum ui_out_type type, | |
131 | int level) | |
8b93c638 | 132 | { |
1248ede2 | 133 | cli_out_data *data = ui_out_data (uiout); |
c5504eaf | 134 | |
698384cd AC |
135 | if (data->suppress_output) |
136 | return; | |
8b93c638 JM |
137 | } |
138 | ||
139 | /* output an int field */ | |
140 | ||
02a45ac0 | 141 | static void |
fba45db2 | 142 | cli_field_int (struct ui_out *uiout, int fldno, int width, |
e2e11a41 AC |
143 | enum ui_align alignment, |
144 | const char *fldname, int value) | |
8b93c638 | 145 | { |
c5504eaf | 146 | char buffer[20]; /* FIXME: how many chars long a %d can become? */ |
1248ede2 | 147 | cli_out_data *data = ui_out_data (uiout); |
c5504eaf | 148 | |
698384cd AC |
149 | if (data->suppress_output) |
150 | return; | |
08850b56 | 151 | xsnprintf (buffer, sizeof (buffer), "%d", value); |
0a8fce9a PA |
152 | |
153 | /* Always go through the function pointer (virtual function call). | |
154 | We may have been extended. */ | |
155 | uo_field_string (uiout, fldno, width, alignment, fldname, buffer); | |
8b93c638 JM |
156 | } |
157 | ||
158 | /* used to ommit a field */ | |
159 | ||
02a45ac0 | 160 | static void |
fba45db2 | 161 | cli_field_skip (struct ui_out *uiout, int fldno, int width, |
e2e11a41 AC |
162 | enum ui_align alignment, |
163 | const char *fldname) | |
8b93c638 | 164 | { |
1248ede2 | 165 | cli_out_data *data = ui_out_data (uiout); |
c5504eaf | 166 | |
698384cd AC |
167 | if (data->suppress_output) |
168 | return; | |
0a8fce9a PA |
169 | |
170 | /* Always go through the function pointer (virtual function call). | |
171 | We may have been extended. */ | |
172 | uo_field_string (uiout, fldno, width, alignment, fldname, ""); | |
8b93c638 JM |
173 | } |
174 | ||
175 | /* other specific cli_field_* end up here so alignment and field | |
176 | separators are both handled by cli_field_string */ | |
177 | ||
02a45ac0 | 178 | static void |
8b93c638 JM |
179 | cli_field_string (struct ui_out *uiout, |
180 | int fldno, | |
181 | int width, | |
55555bbc | 182 | enum ui_align align, |
e2e11a41 | 183 | const char *fldname, |
8b93c638 JM |
184 | const char *string) |
185 | { | |
186 | int before = 0; | |
187 | int after = 0; | |
1248ede2 | 188 | cli_out_data *data = ui_out_data (uiout); |
c5504eaf | 189 | |
698384cd AC |
190 | if (data->suppress_output) |
191 | return; | |
192 | ||
8b93c638 JM |
193 | if ((align != ui_noalign) && string) |
194 | { | |
195 | before = width - strlen (string); | |
196 | if (before <= 0) | |
197 | before = 0; | |
198 | else | |
199 | { | |
200 | if (align == ui_right) | |
201 | after = 0; | |
202 | else if (align == ui_left) | |
203 | { | |
204 | after = before; | |
205 | before = 0; | |
206 | } | |
207 | else | |
208 | /* ui_center */ | |
209 | { | |
210 | after = before / 2; | |
211 | before -= after; | |
212 | } | |
213 | } | |
214 | } | |
215 | ||
216 | if (before) | |
217 | ui_out_spaces (uiout, before); | |
218 | if (string) | |
219 | out_field_fmt (uiout, fldno, fldname, "%s", string); | |
220 | if (after) | |
221 | ui_out_spaces (uiout, after); | |
222 | ||
223 | if (align != ui_noalign) | |
224 | field_separator (); | |
225 | } | |
226 | ||
30fdc99f | 227 | /* This is the only field function that does not align. */ |
8b93c638 | 228 | |
a0b31db1 | 229 | static void ATTRIBUTE_PRINTF (6, 0) |
8b93c638 JM |
230 | cli_field_fmt (struct ui_out *uiout, int fldno, |
231 | int width, enum ui_align align, | |
e2e11a41 AC |
232 | const char *fldname, |
233 | const char *format, | |
234 | va_list args) | |
8b93c638 | 235 | { |
1248ede2 | 236 | cli_out_data *data = ui_out_data (uiout); |
14dba4b4 | 237 | struct ui_file *stream; |
c5504eaf | 238 | |
698384cd AC |
239 | if (data->suppress_output) |
240 | return; | |
241 | ||
14dba4b4 JK |
242 | stream = VEC_last (ui_filep, data->streams); |
243 | vfprintf_filtered (stream, format, args); | |
8b93c638 JM |
244 | |
245 | if (align != ui_noalign) | |
246 | field_separator (); | |
247 | } | |
248 | ||
02a45ac0 | 249 | static void |
fba45db2 | 250 | cli_spaces (struct ui_out *uiout, int numspaces) |
8b93c638 | 251 | { |
1248ede2 | 252 | cli_out_data *data = ui_out_data (uiout); |
14dba4b4 | 253 | struct ui_file *stream; |
c5504eaf | 254 | |
698384cd AC |
255 | if (data->suppress_output) |
256 | return; | |
14dba4b4 JK |
257 | |
258 | stream = VEC_last (ui_filep, data->streams); | |
259 | print_spaces_filtered (numspaces, stream); | |
8b93c638 JM |
260 | } |
261 | ||
02a45ac0 | 262 | static void |
e2e11a41 | 263 | cli_text (struct ui_out *uiout, const char *string) |
8b93c638 | 264 | { |
1248ede2 | 265 | cli_out_data *data = ui_out_data (uiout); |
14dba4b4 | 266 | struct ui_file *stream; |
c5504eaf | 267 | |
698384cd AC |
268 | if (data->suppress_output) |
269 | return; | |
14dba4b4 JK |
270 | |
271 | stream = VEC_last (ui_filep, data->streams); | |
272 | fputs_filtered (string, stream); | |
8b93c638 JM |
273 | } |
274 | ||
a0b31db1 | 275 | static void ATTRIBUTE_PRINTF (3, 0) |
e2e11a41 AC |
276 | cli_message (struct ui_out *uiout, int verbosity, |
277 | const char *format, va_list args) | |
8b93c638 | 278 | { |
1248ede2 | 279 | cli_out_data *data = ui_out_data (uiout); |
c5504eaf | 280 | |
698384cd AC |
281 | if (data->suppress_output) |
282 | return; | |
14dba4b4 | 283 | |
8b93c638 | 284 | if (ui_out_get_verblvl (uiout) >= verbosity) |
14dba4b4 JK |
285 | { |
286 | struct ui_file *stream = VEC_last (ui_filep, data->streams); | |
287 | ||
288 | vfprintf_unfiltered (stream, format, args); | |
289 | } | |
8b93c638 JM |
290 | } |
291 | ||
02a45ac0 | 292 | static void |
fba45db2 | 293 | cli_wrap_hint (struct ui_out *uiout, char *identstring) |
8b93c638 | 294 | { |
1248ede2 | 295 | cli_out_data *data = ui_out_data (uiout); |
c5504eaf | 296 | |
698384cd AC |
297 | if (data->suppress_output) |
298 | return; | |
8b93c638 JM |
299 | wrap_here (identstring); |
300 | } | |
301 | ||
02a45ac0 | 302 | static void |
fba45db2 | 303 | cli_flush (struct ui_out *uiout) |
8b93c638 | 304 | { |
1248ede2 | 305 | cli_out_data *data = ui_out_data (uiout); |
14dba4b4 | 306 | struct ui_file *stream = VEC_last (ui_filep, data->streams); |
c5504eaf | 307 | |
14dba4b4 | 308 | gdb_flush (stream); |
8b93c638 JM |
309 | } |
310 | ||
14dba4b4 JK |
311 | /* OUTSTREAM as non-NULL will push OUTSTREAM on the stack of output streams |
312 | and make it therefore active. OUTSTREAM as NULL will pop the last pushed | |
313 | output stream; it is an internal error if it does not exist. */ | |
314 | ||
02a45ac0 | 315 | static int |
0fac0b41 DJ |
316 | cli_redirect (struct ui_out *uiout, struct ui_file *outstream) |
317 | { | |
0a8fce9a | 318 | cli_out_data *data = ui_out_data (uiout); |
c5504eaf | 319 | |
0fac0b41 | 320 | if (outstream != NULL) |
14dba4b4 JK |
321 | VEC_safe_push (ui_filep, data->streams, outstream); |
322 | else | |
323 | VEC_pop (ui_filep, data->streams); | |
0fac0b41 DJ |
324 | |
325 | return 0; | |
326 | } | |
327 | ||
8b93c638 JM |
328 | /* local functions */ |
329 | ||
330 | /* Like cli_field_fmt, but takes a variable number of args | |
30fdc99f | 331 | and makes a va_list and does not insert a separator. */ |
8b93c638 JM |
332 | |
333 | /* VARARGS */ | |
334 | static void | |
e2e11a41 AC |
335 | out_field_fmt (struct ui_out *uiout, int fldno, |
336 | const char *fldname, | |
337 | const char *format,...) | |
8b93c638 | 338 | { |
1248ede2 | 339 | cli_out_data *data = ui_out_data (uiout); |
14dba4b4 | 340 | struct ui_file *stream = VEC_last (ui_filep, data->streams); |
8b93c638 JM |
341 | va_list args; |
342 | ||
343 | va_start (args, format); | |
14dba4b4 | 344 | vfprintf_filtered (stream, format, args); |
8b93c638 JM |
345 | |
346 | va_end (args); | |
347 | } | |
348 | ||
30fdc99f | 349 | /* Access to ui_out format private members. */ |
8b93c638 JM |
350 | |
351 | static void | |
fba45db2 | 352 | field_separator (void) |
8b93c638 | 353 | { |
79a45e25 | 354 | cli_out_data *data = ui_out_data (current_uiout); |
14dba4b4 | 355 | struct ui_file *stream = VEC_last (ui_filep, data->streams); |
c5504eaf | 356 | |
14dba4b4 | 357 | fputc_filtered (' ', stream); |
8b93c638 JM |
358 | } |
359 | ||
02a45ac0 PA |
360 | /* This is the CLI ui-out implementation functions vector */ |
361 | ||
89de4da4 | 362 | const struct ui_out_impl cli_ui_out_impl = |
02a45ac0 PA |
363 | { |
364 | cli_table_begin, | |
365 | cli_table_body, | |
366 | cli_table_end, | |
367 | cli_table_header, | |
368 | cli_begin, | |
369 | cli_end, | |
370 | cli_field_int, | |
371 | cli_field_skip, | |
372 | cli_field_string, | |
373 | cli_field_fmt, | |
374 | cli_spaces, | |
375 | cli_text, | |
376 | cli_message, | |
377 | cli_wrap_hint, | |
378 | cli_flush, | |
379 | cli_redirect, | |
17b2616c | 380 | cli_uiout_dtor, |
02a45ac0 PA |
381 | 0, /* Does not need MI hacks (i.e. needs CLI hacks). */ |
382 | }; | |
383 | ||
0a8fce9a PA |
384 | /* Constructor for a `cli_out_data' object. */ |
385 | ||
386 | void | |
387 | cli_out_data_ctor (cli_out_data *self, struct ui_file *stream) | |
388 | { | |
14dba4b4 JK |
389 | gdb_assert (stream != NULL); |
390 | ||
391 | self->streams = NULL; | |
392 | VEC_safe_push (ui_filep, self->streams, stream); | |
393 | ||
0a8fce9a PA |
394 | self->suppress_output = 0; |
395 | } | |
396 | ||
397 | /* Initialize private members at startup. */ | |
8b93c638 JM |
398 | |
399 | struct ui_out * | |
400 | cli_out_new (struct ui_file *stream) | |
401 | { | |
402 | int flags = ui_source_list; | |
70ba0933 | 403 | cli_out_data *data = XNEW (cli_out_data); |
c5504eaf | 404 | |
0a8fce9a | 405 | cli_out_data_ctor (data, stream); |
8b93c638 JM |
406 | return ui_out_new (&cli_ui_out_impl, data, flags); |
407 | } | |
408 | ||
4389a95a AC |
409 | struct ui_file * |
410 | cli_out_set_stream (struct ui_out *uiout, struct ui_file *stream) | |
411 | { | |
1248ede2 | 412 | cli_out_data *data = ui_out_data (uiout); |
14dba4b4 JK |
413 | struct ui_file *old; |
414 | ||
415 | old = VEC_pop (ui_filep, data->streams); | |
416 | VEC_quick_push (ui_filep, data->streams, stream); | |
c5504eaf | 417 | |
4389a95a AC |
418 | return old; |
419 | } | |
82083d6d DE |
420 | \f |
421 | /* CLI interface to display tab-completion matches. */ | |
422 | ||
423 | /* CLI version of displayer.crlf. */ | |
424 | ||
425 | static void | |
426 | cli_mld_crlf (const struct match_list_displayer *displayer) | |
427 | { | |
428 | rl_crlf (); | |
429 | } | |
430 | ||
431 | /* CLI version of displayer.putch. */ | |
432 | ||
433 | static void | |
434 | cli_mld_putch (const struct match_list_displayer *displayer, int ch) | |
435 | { | |
436 | putc (ch, rl_outstream); | |
437 | } | |
438 | ||
439 | /* CLI version of displayer.puts. */ | |
440 | ||
441 | static void | |
442 | cli_mld_puts (const struct match_list_displayer *displayer, const char *s) | |
443 | { | |
444 | fputs (s, rl_outstream); | |
445 | } | |
446 | ||
447 | /* CLI version of displayer.flush. */ | |
448 | ||
449 | static void | |
450 | cli_mld_flush (const struct match_list_displayer *displayer) | |
451 | { | |
452 | fflush (rl_outstream); | |
453 | } | |
454 | ||
455 | /* CLI version of displayer.erase_entire_line. */ | |
456 | ||
457 | static void | |
458 | cli_mld_erase_entire_line (const struct match_list_displayer *displayer) | |
459 | { | |
460 | extern void _rl_erase_entire_line (void); | |
461 | ||
462 | _rl_erase_entire_line (); | |
463 | } | |
464 | ||
465 | /* CLI version of displayer.beep. */ | |
466 | ||
467 | static void | |
468 | cli_mld_beep (const struct match_list_displayer *displayer) | |
469 | { | |
470 | rl_ding (); | |
471 | } | |
472 | ||
473 | /* CLI version of displayer.read_key. */ | |
474 | ||
475 | static int | |
476 | cli_mld_read_key (const struct match_list_displayer *displayer) | |
477 | { | |
478 | return rl_read_key (); | |
479 | } | |
480 | ||
481 | /* CLI version of rl_completion_display_matches_hook. | |
482 | See gdb_display_match_list for a description of the arguments. */ | |
483 | ||
484 | void | |
485 | cli_display_match_list (char **matches, int len, int max) | |
486 | { | |
487 | struct match_list_displayer displayer; | |
488 | ||
489 | rl_get_screen_size (&displayer.height, &displayer.width); | |
490 | displayer.crlf = cli_mld_crlf; | |
491 | displayer.putch = cli_mld_putch; | |
492 | displayer.puts = cli_mld_puts; | |
493 | displayer.flush = cli_mld_flush; | |
494 | displayer.erase_entire_line = cli_mld_erase_entire_line; | |
495 | displayer.beep = cli_mld_beep; | |
496 | displayer.read_key = cli_mld_read_key; | |
497 | ||
498 | gdb_display_match_list (matches, len, max, &displayer); | |
499 | rl_forced_update_display (); | |
500 | } |