Commit | Line | Data |
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8b93c638 JM |
1 | /* Output generating routines for GDB. |
2 | Copyright 1999, 2000 Free Software Foundation, Inc. | |
3 | Contributed by Cygnus Solutions. | |
4 | Written by Fernando Nasser for Cygnus. | |
5 | ||
6 | This file is part of GDB. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, | |
21 | Boston, MA 02111-1307, USA. */ | |
22 | ||
23 | #include "defs.h" | |
24 | #include "gdb_string.h" | |
25 | #include "expression.h" /* For language.h */ | |
26 | #include "language.h" | |
27 | #include "ui-out.h" | |
28 | ||
29 | /* Convenience macro for allocting typesafe memory. */ | |
30 | ||
31 | #undef XMALLOC | |
32 | #define XMALLOC(TYPE) (TYPE*) xmalloc (sizeof (TYPE)) | |
33 | ||
34 | /* table header structures */ | |
35 | ||
36 | struct ui_out_hdr | |
37 | { | |
38 | int colno; | |
39 | int width; | |
40 | int alignment; | |
41 | char *colhdr; | |
42 | struct ui_out_hdr *next; | |
43 | }; | |
44 | ||
45 | /* The ui_out structure */ | |
46 | /* Any change here requires a corresponding one in the initialization | |
47 | of the default uiout, which is statically initialized */ | |
48 | ||
49 | struct ui_out | |
50 | { | |
51 | int flags; | |
52 | /* specific implementation of ui-out */ | |
53 | struct ui_out_impl *impl; | |
54 | struct ui_out_data *data; | |
55 | ||
56 | /* if on, a table is being generated */ | |
57 | int table_flag; | |
58 | ||
59 | /* if on, the body of a table is being generated */ | |
60 | int body_flag; | |
61 | ||
62 | /* number of table columns (as specified in the table_begin call) */ | |
63 | int table_columns; | |
64 | ||
65 | /* strinf identifying the table (as specified in the table_begin call) */ | |
66 | char *table_id; | |
67 | ||
68 | /* if on, a list is being generated. The value is the level of nesting */ | |
69 | int list_flag; | |
70 | ||
71 | /* we count each field; the first element is for non-list fields */ | |
72 | int field_count[5]; | |
73 | ||
74 | /* points to the first header (if any) */ | |
75 | struct ui_out_hdr *headerfirst; | |
76 | ||
77 | /* points to the last header (if any) */ | |
78 | struct ui_out_hdr *headerlast; | |
79 | ||
80 | /* points to header of next column to format */ | |
81 | struct ui_out_hdr *headercurr; | |
82 | ||
83 | }; | |
84 | ||
85 | /* These are the default implementation functions */ | |
86 | ||
87 | static void default_table_begin (struct ui_out *uiout, int nbrofcols, | |
88 | char *tblid); | |
89 | static void default_table_body (struct ui_out *uiout); | |
90 | static void default_table_end (struct ui_out *uiout); | |
91 | static void default_table_header (struct ui_out *uiout, int width, | |
92 | enum ui_align alig, char *colhdr); | |
93 | static void default_list_begin (struct ui_out *uiout, int list_flag, | |
94 | char *lstid); | |
95 | static void default_list_end (struct ui_out *uiout, int list_flag); | |
96 | static void default_field_int (struct ui_out *uiout, int fldno, int width, | |
97 | enum ui_align alig, char *fldname, int value); | |
98 | static void default_field_skip (struct ui_out *uiout, int fldno, int width, | |
99 | enum ui_align alig, char *fldname); | |
100 | static void default_field_string (struct ui_out *uiout, int fldno, int width, | |
101 | enum ui_align align, char *fldname, | |
102 | const char *string); | |
103 | static void default_field_fmt (struct ui_out *uiout, int fldno, | |
104 | int width, enum ui_align align, | |
105 | char *fldname, char *format, va_list args); | |
106 | static void default_spaces (struct ui_out *uiout, int numspaces); | |
107 | static void default_text (struct ui_out *uiout, char *string); | |
108 | static void default_message (struct ui_out *uiout, int verbosity, char *format, | |
109 | va_list args); | |
110 | static void default_wrap_hint (struct ui_out *uiout, char *identstring); | |
111 | static void default_flush (struct ui_out *uiout); | |
112 | ||
113 | /* This is the default ui-out implementation functions vector */ | |
114 | ||
115 | struct ui_out_impl default_ui_out_impl = | |
116 | { | |
117 | default_table_begin, | |
118 | default_table_body, | |
119 | default_table_end, | |
120 | default_table_header, | |
121 | default_list_begin, | |
122 | default_list_end, | |
123 | default_field_int, | |
124 | default_field_skip, | |
125 | default_field_string, | |
126 | default_field_fmt, | |
127 | default_spaces, | |
128 | default_text, | |
129 | default_message, | |
130 | default_wrap_hint, | |
131 | default_flush | |
132 | }; | |
133 | ||
134 | /* The default ui_out */ | |
135 | ||
136 | struct ui_out def_uiout = | |
137 | { | |
138 | 0, /* flags */ | |
139 | &default_ui_out_impl, /* impl */ | |
140 | }; | |
141 | ||
142 | /* Pointer to current ui_out */ | |
143 | /* FIXME: This should not be a global, but something passed down from main.c | |
144 | or top.c */ | |
145 | ||
146 | struct ui_out *uiout = &def_uiout; | |
147 | ||
148 | /* These are the interfaces to implementation functions */ | |
149 | ||
150 | static void uo_table_begin (struct ui_out *uiout, int nbrofcols, char *tblid); | |
151 | static void uo_table_body (struct ui_out *uiout); | |
152 | static void uo_table_end (struct ui_out *uiout); | |
153 | static void uo_table_header (struct ui_out *uiout, int width, | |
154 | enum ui_align align, char *colhdr); | |
155 | static void uo_list_begin (struct ui_out *uiout, int list_flag, char *lstid); | |
156 | static void uo_list_end (struct ui_out *uiout, int list_flag); | |
157 | static void uo_field_int (struct ui_out *uiout, int fldno, int width, | |
158 | enum ui_align align, char *fldname, int value); | |
159 | static void uo_field_skip (struct ui_out *uiout, int fldno, int width, | |
160 | enum ui_align align, char *fldname); | |
161 | static void uo_field_string (struct ui_out *uiout, int fldno, int width, | |
162 | enum ui_align align, char *fldname, const char *string); | |
163 | static void uo_field_fmt (struct ui_out *uiout, int fldno, int width, | |
164 | enum ui_align align, char *fldname, | |
165 | char *format, va_list args); | |
166 | static void uo_spaces (struct ui_out *uiout, int numspaces); | |
167 | static void uo_text (struct ui_out *uiout, char *string); | |
168 | static void uo_message (struct ui_out *uiout, int verbosity, | |
169 | char *format, va_list args); | |
170 | static void uo_wrap_hint (struct ui_out *uiout, char *identstring); | |
171 | static void uo_flush (struct ui_out *uiout); | |
172 | ||
173 | /* Prototypes for local functions */ | |
174 | ||
175 | extern void _initialize_ui_out (void); | |
176 | static void append_header_to_list (struct ui_out *uiout, int width, int alignment, char *colhdr); | |
177 | static int get_curr_header (struct ui_out *uiout, int *colno, int *width, | |
178 | int *alignment, char **colhdr); | |
179 | static void clear_header_list (struct ui_out *uiout); | |
180 | static void verify_field_proper_position (struct ui_out *uiout); | |
181 | static void verify_field_alignment (struct ui_out *uiout, int fldno, int *width, int *alignment); | |
182 | ||
183 | static void init_ui_out_state (struct ui_out *uiout); | |
184 | ||
185 | /* exported functions (ui_out API) */ | |
186 | ||
187 | /* Mark beginning of a table */ | |
188 | ||
189 | void | |
fba45db2 | 190 | ui_out_table_begin (struct ui_out *uiout, int nbrofcols, char *tblid) |
8b93c638 JM |
191 | { |
192 | if (uiout->table_flag) | |
193 | internal_error ("gdb/ui_out.c: tables cannot be nested; table_begin found before \ | |
194 | previous table_end."); | |
195 | ||
196 | uiout->table_flag = 1; | |
197 | uiout->table_columns = nbrofcols; | |
198 | if (tblid != NULL) | |
199 | uiout->table_id = xstrdup (tblid); | |
200 | else | |
201 | uiout->table_id = NULL; | |
202 | clear_header_list (uiout); | |
203 | ||
204 | uo_table_begin (uiout, nbrofcols, uiout->table_id); | |
205 | } | |
206 | ||
207 | void | |
fba45db2 | 208 | ui_out_table_body (struct ui_out *uiout) |
8b93c638 JM |
209 | { |
210 | if (!uiout->table_flag) | |
211 | internal_error ("gdb/ui_out.c: table_body outside a table is not valid; it must be \ | |
212 | after a table_begin and before a table_end."); | |
213 | if (uiout->body_flag) | |
214 | internal_error ("gdb/ui_out.c: extra table_body call not allowed; there must be \ | |
215 | only one table_body after a table_begin and before a table_end."); | |
216 | if (uiout->headercurr->colno != uiout->table_columns) | |
217 | internal_error ("gdb/ui_out.c: number of headers differ from number of table \ | |
218 | columns."); | |
219 | ||
220 | uiout->body_flag = 1; | |
221 | uiout->headercurr = uiout->headerfirst; | |
222 | ||
223 | uo_table_body (uiout); | |
224 | } | |
225 | ||
226 | void | |
fba45db2 | 227 | ui_out_table_end (struct ui_out *uiout) |
8b93c638 JM |
228 | { |
229 | if (!uiout->table_flag) | |
230 | internal_error ("gdb/ui_out.c: misplaced table_end or missing table_begin."); | |
231 | ||
232 | uiout->body_flag = 0; | |
233 | uiout->table_flag = 0; | |
234 | ||
235 | uo_table_end (uiout); | |
236 | ||
237 | if (uiout->table_id) | |
238 | free (uiout->table_id); | |
239 | clear_header_list (uiout); | |
240 | } | |
241 | ||
242 | void | |
fba45db2 KB |
243 | ui_out_table_header (struct ui_out *uiout, int width, enum ui_align alignment, |
244 | char *colhdr) | |
8b93c638 JM |
245 | { |
246 | if (!uiout->table_flag || uiout->body_flag) | |
247 | internal_error ("ui_out: table header must be specified after table_begin \ | |
248 | and before table_body."); | |
249 | ||
250 | append_header_to_list (uiout, width, alignment, colhdr); | |
251 | ||
252 | uo_table_header (uiout, width, alignment, colhdr); | |
253 | } | |
254 | ||
255 | void | |
fba45db2 | 256 | ui_out_list_begin (struct ui_out *uiout, char *lstid) |
8b93c638 JM |
257 | { |
258 | if (uiout->table_flag && !uiout->body_flag) | |
259 | internal_error ("ui_out: table header or table_body expected; lists must be \ | |
260 | specified after table_body."); | |
261 | if (uiout->list_flag >= 4) | |
262 | internal_error ("ui_out: list depth exceeded; only 4 levels of lists can be \ | |
263 | nested."); | |
264 | ||
265 | uiout->list_flag++; | |
266 | uiout->field_count[uiout->list_flag] = 0; | |
267 | if (uiout->table_flag && (uiout->list_flag == 1)) | |
268 | uiout->headercurr = uiout->headerfirst; | |
269 | ||
270 | uo_list_begin (uiout, uiout->list_flag, lstid); | |
271 | } | |
272 | ||
273 | void | |
fba45db2 | 274 | ui_out_list_end (struct ui_out *uiout) |
8b93c638 JM |
275 | { |
276 | if (!uiout->list_flag) | |
277 | internal_error ("ui_out: misplaced list_end; there is no list to be closed."); | |
278 | ||
279 | uo_list_end (uiout, uiout->list_flag); | |
280 | ||
281 | uiout->list_flag--; | |
282 | } | |
283 | ||
284 | void | |
fba45db2 | 285 | ui_out_field_int (struct ui_out *uiout, char *fldname, int value) |
8b93c638 JM |
286 | { |
287 | int fldno; | |
288 | int width; | |
289 | int align; | |
290 | ||
291 | verify_field_proper_position (uiout); | |
292 | ||
293 | uiout->field_count[uiout->list_flag] += 1; | |
294 | fldno = uiout->field_count[uiout->list_flag]; | |
295 | ||
296 | verify_field_alignment (uiout, fldno, &width, &align); | |
297 | ||
298 | uo_field_int (uiout, fldno, width, align, fldname, value); | |
299 | } | |
300 | ||
301 | void | |
fba45db2 | 302 | ui_out_field_core_addr (struct ui_out *uiout, char *fldname, CORE_ADDR address) |
8b93c638 JM |
303 | { |
304 | char addstr[20]; | |
305 | ||
306 | /* FIXME-32x64: need a print_address_numeric with field width */ | |
307 | /* print_address_numeric (address, 1, local_stream); */ | |
308 | strcpy (addstr, local_hex_string_custom ((unsigned long) address, "08l")); | |
309 | ||
310 | ui_out_field_string (uiout, fldname, addstr); | |
311 | } | |
312 | ||
313 | void | |
fba45db2 | 314 | ui_out_field_stream (struct ui_out *uiout, char *fldname, struct ui_stream *buf) |
8b93c638 JM |
315 | { |
316 | long length; | |
317 | char *buffer = ui_file_xstrdup (buf->stream, &length); | |
318 | struct cleanup *old_cleanup = make_cleanup (free, buffer); | |
319 | if (length > 0) | |
320 | ui_out_field_string (uiout, fldname, buffer); | |
321 | else | |
322 | ui_out_field_skip (uiout, fldname); | |
323 | ui_file_rewind (buf->stream); | |
324 | do_cleanups (old_cleanup); | |
325 | } | |
326 | ||
327 | /* used to ommit a field */ | |
328 | ||
329 | void | |
fba45db2 | 330 | ui_out_field_skip (struct ui_out *uiout, char *fldname) |
8b93c638 JM |
331 | { |
332 | int fldno; | |
333 | int width; | |
334 | int align; | |
335 | ||
336 | verify_field_proper_position (uiout); | |
337 | ||
338 | uiout->field_count[uiout->list_flag] += 1; | |
339 | fldno = uiout->field_count[uiout->list_flag]; | |
340 | ||
341 | verify_field_alignment (uiout, fldno, &width, &align); | |
342 | ||
343 | uo_field_skip (uiout, fldno, width, align, fldname); | |
344 | } | |
345 | ||
346 | void | |
347 | ui_out_field_string (struct ui_out *uiout, | |
348 | char *fldname, | |
349 | const char *string) | |
350 | { | |
351 | int fldno; | |
352 | int width; | |
353 | int align; | |
354 | ||
355 | verify_field_proper_position (uiout); | |
356 | ||
357 | uiout->field_count[uiout->list_flag] += 1; | |
358 | fldno = uiout->field_count[uiout->list_flag]; | |
359 | ||
360 | verify_field_alignment (uiout, fldno, &width, &align); | |
361 | ||
362 | uo_field_string (uiout, fldno, width, align, fldname, string); | |
363 | } | |
364 | ||
365 | /* VARARGS */ | |
366 | void | |
367 | ui_out_field_fmt (struct ui_out *uiout, char *fldname, char *format,...) | |
368 | { | |
369 | va_list args; | |
370 | int fldno; | |
371 | int width; | |
372 | int align; | |
373 | ||
374 | verify_field_proper_position (uiout); | |
375 | ||
376 | uiout->field_count[uiout->list_flag] += 1; | |
377 | fldno = uiout->field_count[uiout->list_flag]; | |
378 | ||
379 | /* will not align, but has to call anyway */ | |
380 | verify_field_alignment (uiout, fldno, &width, &align); | |
381 | ||
382 | va_start (args, format); | |
383 | ||
384 | uo_field_fmt (uiout, fldno, width, align, fldname, format, args); | |
385 | ||
386 | va_end (args); | |
387 | } | |
388 | ||
389 | void | |
fba45db2 | 390 | ui_out_spaces (struct ui_out *uiout, int numspaces) |
8b93c638 JM |
391 | { |
392 | uo_spaces (uiout, numspaces); | |
393 | } | |
394 | ||
395 | void | |
fba45db2 | 396 | ui_out_text (struct ui_out *uiout, char *string) |
8b93c638 JM |
397 | { |
398 | uo_text (uiout, string); | |
399 | } | |
400 | ||
401 | void | |
402 | ui_out_message (struct ui_out *uiout, int verbosity, char *format,...) | |
403 | { | |
404 | va_list args; | |
405 | ||
406 | va_start (args, format); | |
407 | ||
408 | uo_message (uiout, verbosity, format, args); | |
409 | ||
410 | va_end (args); | |
411 | } | |
412 | ||
413 | struct ui_stream * | |
fba45db2 | 414 | ui_out_stream_new (struct ui_out *uiout) |
8b93c638 JM |
415 | { |
416 | struct ui_stream *tempbuf; | |
417 | ||
418 | tempbuf = XMALLOC (struct ui_stream); | |
419 | tempbuf->uiout = uiout; | |
420 | tempbuf->stream = mem_fileopen (); | |
421 | return tempbuf; | |
422 | } | |
423 | ||
424 | void | |
fba45db2 | 425 | ui_out_stream_delete (struct ui_stream *buf) |
8b93c638 JM |
426 | { |
427 | ui_file_delete (buf->stream); | |
428 | free (buf); | |
429 | } | |
430 | ||
431 | static void | |
432 | do_stream_delete (void *buf) | |
433 | { | |
434 | ui_out_stream_delete (buf); | |
435 | } | |
436 | ||
437 | struct cleanup * | |
438 | make_cleanup_ui_out_stream_delete (struct ui_stream *buf) | |
439 | { | |
440 | return make_cleanup (do_stream_delete, buf); | |
441 | } | |
442 | ||
443 | ||
444 | void | |
fba45db2 | 445 | ui_out_wrap_hint (struct ui_out *uiout, char *identstring) |
8b93c638 JM |
446 | { |
447 | uo_wrap_hint (uiout, identstring); | |
448 | } | |
449 | ||
450 | void | |
fba45db2 | 451 | ui_out_flush (struct ui_out *uiout) |
8b93c638 JM |
452 | { |
453 | uo_flush (uiout); | |
454 | } | |
455 | ||
456 | /* set the flags specified by the mask given */ | |
457 | int | |
fba45db2 | 458 | ui_out_set_flags (struct ui_out *uiout, int mask) |
8b93c638 | 459 | { |
5bfb05ca | 460 | int oldflags = uiout->flags; |
8b93c638 | 461 | |
b8d86de3 | 462 | uiout->flags |= mask; |
8b93c638 JM |
463 | |
464 | return oldflags; | |
465 | } | |
466 | ||
467 | /* clear the flags specified by the mask given */ | |
468 | int | |
fba45db2 | 469 | ui_out_clear_flags (struct ui_out *uiout, int mask) |
8b93c638 | 470 | { |
5bfb05ca | 471 | int oldflags = uiout->flags; |
8b93c638 JM |
472 | |
473 | uiout->flags &= ~mask; | |
474 | ||
475 | return oldflags; | |
476 | } | |
477 | ||
478 | /* test the flags against the mask given */ | |
479 | int | |
fba45db2 | 480 | ui_out_test_flags (struct ui_out *uiout, int mask) |
8b93c638 JM |
481 | { |
482 | return (uiout->flags & mask); | |
483 | } | |
484 | ||
485 | /* obtain the current verbosity level (as stablished by the | |
486 | 'set verbositylevel' command */ | |
487 | ||
488 | int | |
fba45db2 | 489 | ui_out_get_verblvl (struct ui_out *uiout) |
8b93c638 JM |
490 | { |
491 | /* FIXME: not implemented yet */ | |
492 | return 0; | |
493 | } | |
494 | ||
495 | #if 0 | |
496 | void | |
fba45db2 | 497 | ui_out_result_begin (struct ui_out *uiout, char *class) |
8b93c638 JM |
498 | { |
499 | } | |
500 | ||
501 | void | |
fba45db2 | 502 | ui_out_result_end (struct ui_out *uiout) |
8b93c638 JM |
503 | { |
504 | } | |
505 | ||
506 | void | |
fba45db2 | 507 | ui_out_info_begin (struct ui_out *uiout, char *class) |
8b93c638 JM |
508 | { |
509 | } | |
510 | ||
511 | void | |
fba45db2 | 512 | ui_out_info_end (struct ui_out *uiout) |
8b93c638 JM |
513 | { |
514 | } | |
515 | ||
516 | void | |
fba45db2 | 517 | ui_out_notify_begin (struct ui_out *uiout, char *class) |
8b93c638 JM |
518 | { |
519 | } | |
520 | ||
521 | void | |
fba45db2 | 522 | ui_out_notify_end (struct ui_out *uiout) |
8b93c638 JM |
523 | { |
524 | } | |
525 | ||
526 | void | |
fba45db2 | 527 | ui_out_error_begin (struct ui_out *uiout, char *class) |
8b93c638 JM |
528 | { |
529 | } | |
530 | ||
531 | void | |
fba45db2 | 532 | ui_out_error_end (struct ui_out *uiout) |
8b93c638 JM |
533 | { |
534 | } | |
535 | #endif | |
536 | ||
537 | #if 0 | |
538 | void | |
539 | gdb_error (ui_out * uiout, int severity, char *format,...) | |
540 | { | |
541 | va_list args; | |
542 | } | |
543 | ||
544 | void | |
545 | gdb_query (uiout, qflags, qprompt) | |
546 | struct ui_out *uiout; | |
547 | int flags; | |
548 | char *qprompt; | |
549 | { | |
550 | } | |
551 | #endif | |
552 | ||
553 | /* default gdb-out hook functions */ | |
554 | ||
555 | static void | |
fba45db2 | 556 | default_table_begin (struct ui_out *uiout, int nbrofcols, char *tblid) |
8b93c638 JM |
557 | { |
558 | } | |
559 | ||
560 | static void | |
fba45db2 | 561 | default_table_body (struct ui_out *uiout) |
8b93c638 JM |
562 | { |
563 | } | |
564 | ||
565 | static void | |
fba45db2 | 566 | default_table_end (struct ui_out *uiout) |
8b93c638 JM |
567 | { |
568 | } | |
569 | ||
570 | static void | |
fba45db2 KB |
571 | default_table_header (struct ui_out *uiout, int width, enum ui_align alignment, |
572 | char *colhdr) | |
8b93c638 JM |
573 | { |
574 | } | |
575 | ||
576 | static void | |
fba45db2 | 577 | default_list_begin (struct ui_out *uiout, int list_flag, char *lstid) |
8b93c638 JM |
578 | { |
579 | } | |
580 | ||
581 | static void | |
fba45db2 | 582 | default_list_end (struct ui_out *uiout, int list_flag) |
8b93c638 JM |
583 | { |
584 | } | |
585 | ||
586 | static void | |
fba45db2 KB |
587 | default_field_int (struct ui_out *uiout, int fldno, int width, |
588 | enum ui_align align, char *fldname, int value) | |
8b93c638 JM |
589 | { |
590 | } | |
591 | ||
592 | static void | |
fba45db2 KB |
593 | default_field_skip (struct ui_out *uiout, int fldno, int width, |
594 | enum ui_align align, char *fldname) | |
8b93c638 JM |
595 | { |
596 | } | |
597 | ||
598 | static void | |
599 | default_field_string (struct ui_out *uiout, | |
600 | int fldno, | |
601 | int width, | |
602 | enum ui_align align, | |
603 | char *fldname, | |
604 | const char *string) | |
605 | { | |
606 | } | |
607 | ||
608 | static void | |
fba45db2 KB |
609 | default_field_fmt (struct ui_out *uiout, int fldno, int width, |
610 | enum ui_align align, char *fldname, char *format, | |
611 | va_list args) | |
8b93c638 JM |
612 | { |
613 | } | |
614 | ||
615 | static void | |
fba45db2 | 616 | default_spaces (struct ui_out *uiout, int numspaces) |
8b93c638 JM |
617 | { |
618 | } | |
619 | ||
620 | static void | |
fba45db2 | 621 | default_text (struct ui_out *uiout, char *string) |
8b93c638 JM |
622 | { |
623 | } | |
624 | ||
625 | static void | |
fba45db2 KB |
626 | default_message (struct ui_out *uiout, int verbosity, char *format, |
627 | va_list args) | |
8b93c638 JM |
628 | { |
629 | } | |
630 | ||
631 | static void | |
fba45db2 | 632 | default_wrap_hint (struct ui_out *uiout, char *identstring) |
8b93c638 JM |
633 | { |
634 | } | |
635 | ||
636 | static void | |
fba45db2 | 637 | default_flush (struct ui_out *uiout) |
8b93c638 JM |
638 | { |
639 | } | |
640 | ||
641 | /* Interface to the implementation functions */ | |
642 | ||
643 | void | |
644 | uo_table_begin (struct ui_out *uiout, int nbrofcols, char *tblid) | |
645 | { | |
646 | if (!uiout->impl->table_begin) | |
647 | return; | |
648 | uiout->impl->table_begin (uiout, nbrofcols, tblid); | |
649 | } | |
650 | ||
651 | void | |
652 | uo_table_body (struct ui_out *uiout) | |
653 | { | |
654 | if (!uiout->impl->table_body) | |
655 | return; | |
656 | uiout->impl->table_body (uiout); | |
657 | } | |
658 | ||
659 | void | |
660 | uo_table_end (struct ui_out *uiout) | |
661 | { | |
662 | if (!uiout->impl->table_end) | |
663 | return; | |
664 | uiout->impl->table_end (uiout); | |
665 | } | |
666 | ||
667 | void | |
668 | uo_table_header (struct ui_out *uiout, int width, enum ui_align align, char *colhdr) | |
669 | { | |
670 | if (!uiout->impl->table_header) | |
671 | return; | |
672 | uiout->impl->table_header (uiout, width, align, colhdr); | |
673 | } | |
674 | ||
675 | void | |
676 | uo_list_begin (struct ui_out *uiout, int list_flag, char *lstid) | |
677 | { | |
678 | if (!uiout->impl->list_begin) | |
679 | return; | |
680 | uiout->impl->list_begin (uiout, list_flag, lstid); | |
681 | } | |
682 | ||
683 | void | |
684 | uo_list_end (struct ui_out *uiout, int list_flag) | |
685 | { | |
686 | if (!uiout->impl->list_end) | |
687 | return; | |
688 | uiout->impl->list_end (uiout, list_flag); | |
689 | } | |
690 | ||
691 | void | |
692 | uo_field_int (struct ui_out *uiout, int fldno, int width, enum ui_align align, char *fldname, int value) | |
693 | { | |
694 | if (!uiout->impl->field_int) | |
695 | return; | |
696 | uiout->impl->field_int (uiout, fldno, width, align, fldname, value); | |
697 | } | |
698 | ||
699 | void | |
700 | uo_field_skip (struct ui_out *uiout, int fldno, int width, enum ui_align align, char *fldname) | |
701 | { | |
702 | if (!uiout->impl->field_skip) | |
703 | return; | |
704 | uiout->impl->field_skip (uiout, fldno, width, align, fldname); | |
705 | } | |
706 | ||
707 | void | |
708 | uo_field_string (struct ui_out *uiout, int fldno, int width, | |
709 | enum ui_align align, char *fldname, const char *string) | |
710 | { | |
711 | if (!uiout->impl->field_string) | |
712 | return; | |
713 | uiout->impl->field_string (uiout, fldno, width, align, fldname, string); | |
714 | } | |
715 | ||
716 | void | |
717 | uo_field_fmt (struct ui_out *uiout, int fldno, int width, enum ui_align align, char *fldname, char *format, va_list args) | |
718 | { | |
719 | if (!uiout->impl->field_fmt) | |
720 | return; | |
721 | uiout->impl->field_fmt (uiout, fldno, width, align, fldname, format, args); | |
722 | } | |
723 | ||
724 | void | |
725 | uo_spaces (struct ui_out *uiout, int numspaces) | |
726 | { | |
727 | if (!uiout->impl->spaces) | |
728 | return; | |
729 | uiout->impl->spaces (uiout, numspaces); | |
730 | } | |
731 | ||
732 | void | |
733 | uo_text (struct ui_out *uiout, char *string) | |
734 | { | |
735 | if (!uiout->impl->text) | |
736 | return; | |
737 | uiout->impl->text (uiout, string); | |
738 | } | |
739 | ||
740 | void | |
741 | uo_message (struct ui_out *uiout, int verbosity, char *format, va_list args) | |
742 | { | |
743 | if (!uiout->impl->message) | |
744 | return; | |
745 | uiout->impl->message (uiout, verbosity, format, args); | |
746 | } | |
747 | ||
748 | void | |
749 | uo_wrap_hint (struct ui_out *uiout, char *identstring) | |
750 | { | |
751 | if (!uiout->impl->wrap_hint) | |
752 | return; | |
753 | uiout->impl->wrap_hint (uiout, identstring); | |
754 | } | |
755 | ||
756 | void | |
757 | uo_flush (struct ui_out *uiout) | |
758 | { | |
759 | if (!uiout->impl->flush) | |
760 | return; | |
761 | uiout->impl->flush (uiout); | |
762 | } | |
763 | ||
764 | /* local functions */ | |
765 | ||
766 | /* list of column headers manipulation routines */ | |
767 | ||
768 | static void | |
fba45db2 | 769 | clear_header_list (struct ui_out *uiout) |
8b93c638 JM |
770 | { |
771 | while (uiout->headerfirst != NULL) | |
772 | { | |
773 | uiout->headercurr = uiout->headerfirst; | |
774 | uiout->headerfirst = uiout->headerfirst->next; | |
775 | if (uiout->headercurr->colhdr != NULL) | |
776 | free (uiout->headercurr->colhdr); | |
777 | free (uiout->headercurr); | |
778 | } | |
779 | uiout->headerlast = NULL; | |
780 | uiout->headercurr = NULL; | |
781 | } | |
782 | ||
783 | static void | |
784 | append_header_to_list (struct ui_out *uiout, | |
785 | int width, | |
786 | int alignment, | |
787 | char *colhdr) | |
788 | { | |
789 | struct ui_out_hdr *temphdr; | |
790 | ||
791 | temphdr = XMALLOC (struct ui_out_hdr); | |
792 | temphdr->width = width; | |
793 | temphdr->alignment = alignment; | |
794 | /* we have to copy the column title as the original may be an automatic */ | |
795 | if (colhdr != NULL) | |
796 | { | |
797 | temphdr->colhdr = xmalloc (strlen (colhdr) + 1); | |
798 | strcpy (temphdr->colhdr, colhdr); | |
799 | } | |
800 | temphdr->next = NULL; | |
801 | if (uiout->headerfirst == NULL) | |
802 | { | |
803 | temphdr->colno = 1; | |
804 | uiout->headerfirst = temphdr; | |
805 | uiout->headerlast = temphdr; | |
806 | } | |
807 | else | |
808 | { | |
809 | temphdr->colno = uiout->headerlast->colno + 1; | |
810 | uiout->headerlast->next = temphdr; | |
811 | uiout->headerlast = temphdr; | |
812 | } | |
813 | uiout->headercurr = uiout->headerlast; | |
814 | } | |
815 | ||
816 | /* returns 0 if there is no more headers */ | |
817 | ||
818 | static int | |
819 | get_curr_header (struct ui_out *uiout, | |
820 | int *colno, | |
821 | int *width, | |
822 | int *alignment, | |
823 | char **colhdr) | |
824 | { | |
825 | /* There may be no headers at all or we may have used all columns */ | |
826 | if (uiout->headercurr == NULL) | |
827 | return 0; | |
828 | *colno = uiout->headercurr->colno; | |
829 | *width = uiout->headercurr->width; | |
830 | *alignment = uiout->headercurr->alignment; | |
831 | *colhdr = uiout->headercurr->colhdr; | |
832 | uiout->headercurr = uiout->headercurr->next; | |
833 | return 1; | |
834 | } | |
835 | ||
836 | /* makes sure the field_* calls were properly placed */ | |
837 | ||
838 | static void | |
839 | verify_field_proper_position (struct ui_out *uiout) | |
840 | { | |
841 | if (uiout->table_flag) | |
842 | { | |
843 | if (!uiout->body_flag) | |
844 | internal_error ("ui_out: table_body missing; table fields must be \ | |
845 | specified after table_body and inside a list."); | |
846 | if (!uiout->list_flag) | |
847 | internal_error ("ui_out: list_begin missing; table fields must be \ | |
848 | specified after table_body and inside a list."); | |
849 | } | |
850 | } | |
851 | ||
852 | /* determines what is the alignment policy */ | |
853 | ||
854 | static void | |
855 | verify_field_alignment (struct ui_out *uiout, | |
856 | int fldno, | |
857 | int *width, | |
858 | int *align) | |
859 | { | |
860 | int colno; | |
861 | char *text; | |
862 | ||
863 | if (uiout->table_flag | |
864 | && get_curr_header (uiout, &colno, width, align, &text)) | |
865 | { | |
866 | if (fldno != colno) | |
867 | internal_error ("gdb/ui-out.c: ui-out internal error in handling headers."); | |
868 | } | |
869 | else | |
870 | { | |
871 | *width = 0; | |
872 | *align = ui_noalign; | |
873 | } | |
874 | } | |
875 | ||
876 | /* access to ui_out format private members */ | |
877 | ||
878 | void | |
fba45db2 | 879 | ui_out_get_field_separator (struct ui_out *uiout) |
8b93c638 JM |
880 | { |
881 | } | |
882 | ||
883 | /* Access to ui-out members data */ | |
884 | ||
885 | struct ui_out_data * | |
886 | ui_out_data (struct ui_out *uiout) | |
887 | { | |
888 | return uiout->data; | |
889 | } | |
890 | ||
891 | /* initalize private members at startup */ | |
892 | ||
893 | struct ui_out * | |
894 | ui_out_new (struct ui_out_impl *impl, | |
895 | struct ui_out_data *data, | |
896 | int flags) | |
897 | { | |
898 | struct ui_out *uiout = XMALLOC (struct ui_out); | |
899 | uiout->data = data; | |
900 | uiout->impl = impl; | |
901 | uiout->flags = flags; | |
902 | uiout->table_flag = 0; | |
903 | uiout->body_flag = 0; | |
904 | uiout->list_flag = 0; | |
905 | uiout->field_count[0] = 0; | |
906 | uiout->headerfirst = NULL; | |
907 | uiout->headerlast = NULL; | |
908 | uiout->headercurr = NULL; | |
909 | return uiout; | |
910 | } | |
911 | ||
912 | /* standard gdb initialization hook */ | |
913 | ||
914 | void | |
fba45db2 | 915 | _initialize_ui_out (void) |
8b93c638 JM |
916 | { |
917 | /* nothing needs to be done */ | |
918 | } |