Commit | Line | Data |
---|---|---|
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 | |
190 | ui_out_table_begin (uiout, nbrofcols, tblid) | |
191 | struct ui_out *uiout; | |
192 | int nbrofcols; | |
193 | char *tblid; | |
194 | { | |
195 | if (uiout->table_flag) | |
196 | internal_error ("gdb/ui_out.c: tables cannot be nested; table_begin found before \ | |
197 | previous table_end."); | |
198 | ||
199 | uiout->table_flag = 1; | |
200 | uiout->table_columns = nbrofcols; | |
201 | if (tblid != NULL) | |
202 | uiout->table_id = xstrdup (tblid); | |
203 | else | |
204 | uiout->table_id = NULL; | |
205 | clear_header_list (uiout); | |
206 | ||
207 | uo_table_begin (uiout, nbrofcols, uiout->table_id); | |
208 | } | |
209 | ||
210 | void | |
211 | ui_out_table_body (uiout) | |
212 | struct ui_out *uiout; | |
213 | { | |
214 | if (!uiout->table_flag) | |
215 | internal_error ("gdb/ui_out.c: table_body outside a table is not valid; it must be \ | |
216 | after a table_begin and before a table_end."); | |
217 | if (uiout->body_flag) | |
218 | internal_error ("gdb/ui_out.c: extra table_body call not allowed; there must be \ | |
219 | only one table_body after a table_begin and before a table_end."); | |
220 | if (uiout->headercurr->colno != uiout->table_columns) | |
221 | internal_error ("gdb/ui_out.c: number of headers differ from number of table \ | |
222 | columns."); | |
223 | ||
224 | uiout->body_flag = 1; | |
225 | uiout->headercurr = uiout->headerfirst; | |
226 | ||
227 | uo_table_body (uiout); | |
228 | } | |
229 | ||
230 | void | |
231 | ui_out_table_end (uiout) | |
232 | struct ui_out *uiout; | |
233 | { | |
234 | if (!uiout->table_flag) | |
235 | internal_error ("gdb/ui_out.c: misplaced table_end or missing table_begin."); | |
236 | ||
237 | uiout->body_flag = 0; | |
238 | uiout->table_flag = 0; | |
239 | ||
240 | uo_table_end (uiout); | |
241 | ||
242 | if (uiout->table_id) | |
243 | free (uiout->table_id); | |
244 | clear_header_list (uiout); | |
245 | } | |
246 | ||
247 | void | |
248 | ui_out_table_header (uiout, width, alignment, colhdr) | |
249 | struct ui_out *uiout; | |
250 | int width; | |
251 | enum ui_align alignment; | |
252 | char *colhdr; | |
253 | { | |
254 | if (!uiout->table_flag || uiout->body_flag) | |
255 | internal_error ("ui_out: table header must be specified after table_begin \ | |
256 | and before table_body."); | |
257 | ||
258 | append_header_to_list (uiout, width, alignment, colhdr); | |
259 | ||
260 | uo_table_header (uiout, width, alignment, colhdr); | |
261 | } | |
262 | ||
263 | void | |
264 | ui_out_list_begin (uiout, lstid) | |
265 | struct ui_out *uiout; | |
266 | char *lstid; | |
267 | { | |
268 | if (uiout->table_flag && !uiout->body_flag) | |
269 | internal_error ("ui_out: table header or table_body expected; lists must be \ | |
270 | specified after table_body."); | |
271 | if (uiout->list_flag >= 4) | |
272 | internal_error ("ui_out: list depth exceeded; only 4 levels of lists can be \ | |
273 | nested."); | |
274 | ||
275 | uiout->list_flag++; | |
276 | uiout->field_count[uiout->list_flag] = 0; | |
277 | if (uiout->table_flag && (uiout->list_flag == 1)) | |
278 | uiout->headercurr = uiout->headerfirst; | |
279 | ||
280 | uo_list_begin (uiout, uiout->list_flag, lstid); | |
281 | } | |
282 | ||
283 | void | |
284 | ui_out_list_end (uiout) | |
285 | struct ui_out *uiout; | |
286 | { | |
287 | if (!uiout->list_flag) | |
288 | internal_error ("ui_out: misplaced list_end; there is no list to be closed."); | |
289 | ||
290 | uo_list_end (uiout, uiout->list_flag); | |
291 | ||
292 | uiout->list_flag--; | |
293 | } | |
294 | ||
295 | void | |
296 | ui_out_field_int (uiout, fldname, value) | |
297 | struct ui_out *uiout; | |
298 | char *fldname; | |
299 | int value; | |
300 | { | |
301 | int fldno; | |
302 | int width; | |
303 | int align; | |
304 | ||
305 | verify_field_proper_position (uiout); | |
306 | ||
307 | uiout->field_count[uiout->list_flag] += 1; | |
308 | fldno = uiout->field_count[uiout->list_flag]; | |
309 | ||
310 | verify_field_alignment (uiout, fldno, &width, &align); | |
311 | ||
312 | uo_field_int (uiout, fldno, width, align, fldname, value); | |
313 | } | |
314 | ||
315 | void | |
316 | ui_out_field_core_addr (uiout, fldname, address) | |
317 | struct ui_out *uiout; | |
318 | char *fldname; | |
319 | CORE_ADDR address; | |
320 | { | |
321 | char addstr[20]; | |
322 | ||
323 | /* FIXME-32x64: need a print_address_numeric with field width */ | |
324 | /* print_address_numeric (address, 1, local_stream); */ | |
325 | strcpy (addstr, local_hex_string_custom ((unsigned long) address, "08l")); | |
326 | ||
327 | ui_out_field_string (uiout, fldname, addstr); | |
328 | } | |
329 | ||
330 | void | |
331 | ui_out_field_stream (uiout, fldname, buf) | |
332 | struct ui_out *uiout; | |
333 | char *fldname; | |
334 | struct ui_stream *buf; | |
335 | { | |
336 | long length; | |
337 | char *buffer = ui_file_xstrdup (buf->stream, &length); | |
338 | struct cleanup *old_cleanup = make_cleanup (free, buffer); | |
339 | if (length > 0) | |
340 | ui_out_field_string (uiout, fldname, buffer); | |
341 | else | |
342 | ui_out_field_skip (uiout, fldname); | |
343 | ui_file_rewind (buf->stream); | |
344 | do_cleanups (old_cleanup); | |
345 | } | |
346 | ||
347 | /* used to ommit a field */ | |
348 | ||
349 | void | |
350 | ui_out_field_skip (uiout, fldname) | |
351 | struct ui_out *uiout; | |
352 | char *fldname; | |
353 | { | |
354 | int fldno; | |
355 | int width; | |
356 | int align; | |
357 | ||
358 | verify_field_proper_position (uiout); | |
359 | ||
360 | uiout->field_count[uiout->list_flag] += 1; | |
361 | fldno = uiout->field_count[uiout->list_flag]; | |
362 | ||
363 | verify_field_alignment (uiout, fldno, &width, &align); | |
364 | ||
365 | uo_field_skip (uiout, fldno, width, align, fldname); | |
366 | } | |
367 | ||
368 | void | |
369 | ui_out_field_string (struct ui_out *uiout, | |
370 | char *fldname, | |
371 | const char *string) | |
372 | { | |
373 | int fldno; | |
374 | int width; | |
375 | int align; | |
376 | ||
377 | verify_field_proper_position (uiout); | |
378 | ||
379 | uiout->field_count[uiout->list_flag] += 1; | |
380 | fldno = uiout->field_count[uiout->list_flag]; | |
381 | ||
382 | verify_field_alignment (uiout, fldno, &width, &align); | |
383 | ||
384 | uo_field_string (uiout, fldno, width, align, fldname, string); | |
385 | } | |
386 | ||
387 | /* VARARGS */ | |
388 | void | |
389 | ui_out_field_fmt (struct ui_out *uiout, char *fldname, char *format,...) | |
390 | { | |
391 | va_list args; | |
392 | int fldno; | |
393 | int width; | |
394 | int align; | |
395 | ||
396 | verify_field_proper_position (uiout); | |
397 | ||
398 | uiout->field_count[uiout->list_flag] += 1; | |
399 | fldno = uiout->field_count[uiout->list_flag]; | |
400 | ||
401 | /* will not align, but has to call anyway */ | |
402 | verify_field_alignment (uiout, fldno, &width, &align); | |
403 | ||
404 | va_start (args, format); | |
405 | ||
406 | uo_field_fmt (uiout, fldno, width, align, fldname, format, args); | |
407 | ||
408 | va_end (args); | |
409 | } | |
410 | ||
411 | void | |
412 | ui_out_spaces (uiout, numspaces) | |
413 | struct ui_out *uiout; | |
414 | int numspaces; | |
415 | { | |
416 | uo_spaces (uiout, numspaces); | |
417 | } | |
418 | ||
419 | void | |
420 | ui_out_text (uiout, string) | |
421 | struct ui_out *uiout; | |
422 | char *string; | |
423 | { | |
424 | uo_text (uiout, string); | |
425 | } | |
426 | ||
427 | void | |
428 | ui_out_message (struct ui_out *uiout, int verbosity, char *format,...) | |
429 | { | |
430 | va_list args; | |
431 | ||
432 | va_start (args, format); | |
433 | ||
434 | uo_message (uiout, verbosity, format, args); | |
435 | ||
436 | va_end (args); | |
437 | } | |
438 | ||
439 | struct ui_stream * | |
440 | ui_out_stream_new (uiout) | |
441 | struct ui_out *uiout; | |
442 | { | |
443 | struct ui_stream *tempbuf; | |
444 | ||
445 | tempbuf = XMALLOC (struct ui_stream); | |
446 | tempbuf->uiout = uiout; | |
447 | tempbuf->stream = mem_fileopen (); | |
448 | return tempbuf; | |
449 | } | |
450 | ||
451 | void | |
452 | ui_out_stream_delete (buf) | |
453 | struct ui_stream *buf; | |
454 | { | |
455 | ui_file_delete (buf->stream); | |
456 | free (buf); | |
457 | } | |
458 | ||
459 | static void | |
460 | do_stream_delete (void *buf) | |
461 | { | |
462 | ui_out_stream_delete (buf); | |
463 | } | |
464 | ||
465 | struct cleanup * | |
466 | make_cleanup_ui_out_stream_delete (struct ui_stream *buf) | |
467 | { | |
468 | return make_cleanup (do_stream_delete, buf); | |
469 | } | |
470 | ||
471 | ||
472 | void | |
473 | ui_out_wrap_hint (uiout, identstring) | |
474 | struct ui_out *uiout; | |
475 | char *identstring; | |
476 | { | |
477 | uo_wrap_hint (uiout, identstring); | |
478 | } | |
479 | ||
480 | void | |
481 | ui_out_flush (uiout) | |
482 | struct ui_out *uiout; | |
483 | { | |
484 | uo_flush (uiout); | |
485 | } | |
486 | ||
487 | /* set the flags specified by the mask given */ | |
488 | int | |
489 | ui_out_set_flags (uiout, mask) | |
490 | struct ui_out *uiout; | |
491 | int mask; | |
492 | { | |
5bfb05ca | 493 | int oldflags = uiout->flags; |
8b93c638 | 494 | |
b8d86de3 | 495 | uiout->flags |= mask; |
8b93c638 JM |
496 | |
497 | return oldflags; | |
498 | } | |
499 | ||
500 | /* clear the flags specified by the mask given */ | |
501 | int | |
502 | ui_out_clear_flags (uiout, mask) | |
503 | struct ui_out *uiout; | |
504 | int mask; | |
505 | { | |
5bfb05ca | 506 | int oldflags = uiout->flags; |
8b93c638 JM |
507 | |
508 | uiout->flags &= ~mask; | |
509 | ||
510 | return oldflags; | |
511 | } | |
512 | ||
513 | /* test the flags against the mask given */ | |
514 | int | |
515 | ui_out_test_flags (uiout, mask) | |
516 | struct ui_out *uiout; | |
517 | int mask; | |
518 | { | |
519 | return (uiout->flags & mask); | |
520 | } | |
521 | ||
522 | /* obtain the current verbosity level (as stablished by the | |
523 | 'set verbositylevel' command */ | |
524 | ||
525 | int | |
526 | ui_out_get_verblvl (uiout) | |
527 | struct ui_out *uiout; | |
528 | { | |
529 | /* FIXME: not implemented yet */ | |
530 | return 0; | |
531 | } | |
532 | ||
533 | #if 0 | |
534 | void | |
535 | ui_out_result_begin (uiout, class) | |
536 | struct ui_out *uiout; | |
537 | char *class; | |
538 | { | |
539 | } | |
540 | ||
541 | void | |
542 | ui_out_result_end (uiout) | |
543 | struct ui_out *uiout; | |
544 | { | |
545 | } | |
546 | ||
547 | void | |
548 | ui_out_info_begin (uiout, class) | |
549 | struct ui_out *uiout; | |
550 | char *class; | |
551 | { | |
552 | } | |
553 | ||
554 | void | |
555 | ui_out_info_end (uiout) | |
556 | struct ui_out *uiout; | |
557 | { | |
558 | } | |
559 | ||
560 | void | |
561 | ui_out_notify_begin (uiout, class) | |
562 | struct ui_out *uiout; | |
563 | char *class; | |
564 | { | |
565 | } | |
566 | ||
567 | void | |
568 | ui_out_notify_end (uiout) | |
569 | struct ui_out *uiout; | |
570 | { | |
571 | } | |
572 | ||
573 | void | |
574 | ui_out_error_begin (uiout, class) | |
575 | struct ui_out *uiout; | |
576 | char *class; | |
577 | { | |
578 | } | |
579 | ||
580 | void | |
581 | ui_out_error_end (uiout) | |
582 | struct ui_out *uiout; | |
583 | { | |
584 | } | |
585 | #endif | |
586 | ||
587 | #if 0 | |
588 | void | |
589 | gdb_error (ui_out * uiout, int severity, char *format,...) | |
590 | { | |
591 | va_list args; | |
592 | } | |
593 | ||
594 | void | |
595 | gdb_query (uiout, qflags, qprompt) | |
596 | struct ui_out *uiout; | |
597 | int flags; | |
598 | char *qprompt; | |
599 | { | |
600 | } | |
601 | #endif | |
602 | ||
603 | /* default gdb-out hook functions */ | |
604 | ||
605 | static void | |
606 | default_table_begin (uiout, nbrofcols, tblid) | |
607 | struct ui_out *uiout; | |
608 | int nbrofcols; | |
609 | char *tblid; | |
610 | { | |
611 | } | |
612 | ||
613 | static void | |
614 | default_table_body (uiout) | |
615 | struct ui_out *uiout; | |
616 | { | |
617 | } | |
618 | ||
619 | static void | |
620 | default_table_end (uiout) | |
621 | struct ui_out *uiout; | |
622 | { | |
623 | } | |
624 | ||
625 | static void | |
626 | default_table_header (uiout, width, alignment, colhdr) | |
627 | struct ui_out *uiout; | |
628 | int width; | |
629 | enum ui_align alignment; | |
630 | char *colhdr; | |
631 | { | |
632 | } | |
633 | ||
634 | static void | |
635 | default_list_begin (uiout, list_flag, lstid) | |
636 | struct ui_out *uiout; | |
637 | int list_flag; | |
638 | char *lstid; | |
639 | { | |
640 | } | |
641 | ||
642 | static void | |
643 | default_list_end (uiout, list_flag) | |
644 | struct ui_out *uiout; | |
645 | int list_flag; | |
646 | { | |
647 | } | |
648 | ||
649 | static void | |
650 | default_field_int (uiout, fldno, width, align, fldname, value) | |
651 | struct ui_out *uiout; | |
652 | int fldno; | |
653 | int width; | |
654 | enum ui_align align; | |
655 | char *fldname; | |
656 | int value; | |
657 | { | |
658 | } | |
659 | ||
660 | static void | |
661 | default_field_skip (uiout, fldno, width, align, fldname) | |
662 | struct ui_out *uiout; | |
663 | int fldno; | |
664 | int width; | |
665 | enum ui_align align; | |
666 | char *fldname; | |
667 | { | |
668 | } | |
669 | ||
670 | static void | |
671 | default_field_string (struct ui_out *uiout, | |
672 | int fldno, | |
673 | int width, | |
674 | enum ui_align align, | |
675 | char *fldname, | |
676 | const char *string) | |
677 | { | |
678 | } | |
679 | ||
680 | static void | |
681 | default_field_fmt (uiout, fldno, width, align, fldname, format, args) | |
682 | struct ui_out *uiout; | |
683 | int fldno; | |
684 | int width; | |
685 | enum ui_align align; | |
686 | char *fldname; | |
687 | char *format; | |
688 | va_list args; | |
689 | { | |
690 | } | |
691 | ||
692 | static void | |
693 | default_spaces (uiout, numspaces) | |
694 | struct ui_out *uiout; | |
695 | int numspaces; | |
696 | { | |
697 | } | |
698 | ||
699 | static void | |
700 | default_text (uiout, string) | |
701 | struct ui_out *uiout; | |
702 | char *string; | |
703 | { | |
704 | } | |
705 | ||
706 | static void | |
707 | default_message (uiout, verbosity, format, args) | |
708 | struct ui_out *uiout; | |
709 | int verbosity; | |
710 | char *format; | |
711 | va_list args; | |
712 | { | |
713 | } | |
714 | ||
715 | static void | |
716 | default_wrap_hint (uiout, identstring) | |
717 | struct ui_out *uiout; | |
718 | char *identstring; | |
719 | { | |
720 | } | |
721 | ||
722 | static void | |
723 | default_flush (uiout) | |
724 | struct ui_out *uiout; | |
725 | { | |
726 | } | |
727 | ||
728 | /* Interface to the implementation functions */ | |
729 | ||
730 | void | |
731 | uo_table_begin (struct ui_out *uiout, int nbrofcols, char *tblid) | |
732 | { | |
733 | if (!uiout->impl->table_begin) | |
734 | return; | |
735 | uiout->impl->table_begin (uiout, nbrofcols, tblid); | |
736 | } | |
737 | ||
738 | void | |
739 | uo_table_body (struct ui_out *uiout) | |
740 | { | |
741 | if (!uiout->impl->table_body) | |
742 | return; | |
743 | uiout->impl->table_body (uiout); | |
744 | } | |
745 | ||
746 | void | |
747 | uo_table_end (struct ui_out *uiout) | |
748 | { | |
749 | if (!uiout->impl->table_end) | |
750 | return; | |
751 | uiout->impl->table_end (uiout); | |
752 | } | |
753 | ||
754 | void | |
755 | uo_table_header (struct ui_out *uiout, int width, enum ui_align align, char *colhdr) | |
756 | { | |
757 | if (!uiout->impl->table_header) | |
758 | return; | |
759 | uiout->impl->table_header (uiout, width, align, colhdr); | |
760 | } | |
761 | ||
762 | void | |
763 | uo_list_begin (struct ui_out *uiout, int list_flag, char *lstid) | |
764 | { | |
765 | if (!uiout->impl->list_begin) | |
766 | return; | |
767 | uiout->impl->list_begin (uiout, list_flag, lstid); | |
768 | } | |
769 | ||
770 | void | |
771 | uo_list_end (struct ui_out *uiout, int list_flag) | |
772 | { | |
773 | if (!uiout->impl->list_end) | |
774 | return; | |
775 | uiout->impl->list_end (uiout, list_flag); | |
776 | } | |
777 | ||
778 | void | |
779 | uo_field_int (struct ui_out *uiout, int fldno, int width, enum ui_align align, char *fldname, int value) | |
780 | { | |
781 | if (!uiout->impl->field_int) | |
782 | return; | |
783 | uiout->impl->field_int (uiout, fldno, width, align, fldname, value); | |
784 | } | |
785 | ||
786 | void | |
787 | uo_field_skip (struct ui_out *uiout, int fldno, int width, enum ui_align align, char *fldname) | |
788 | { | |
789 | if (!uiout->impl->field_skip) | |
790 | return; | |
791 | uiout->impl->field_skip (uiout, fldno, width, align, fldname); | |
792 | } | |
793 | ||
794 | void | |
795 | uo_field_string (struct ui_out *uiout, int fldno, int width, | |
796 | enum ui_align align, char *fldname, const char *string) | |
797 | { | |
798 | if (!uiout->impl->field_string) | |
799 | return; | |
800 | uiout->impl->field_string (uiout, fldno, width, align, fldname, string); | |
801 | } | |
802 | ||
803 | void | |
804 | uo_field_fmt (struct ui_out *uiout, int fldno, int width, enum ui_align align, char *fldname, char *format, va_list args) | |
805 | { | |
806 | if (!uiout->impl->field_fmt) | |
807 | return; | |
808 | uiout->impl->field_fmt (uiout, fldno, width, align, fldname, format, args); | |
809 | } | |
810 | ||
811 | void | |
812 | uo_spaces (struct ui_out *uiout, int numspaces) | |
813 | { | |
814 | if (!uiout->impl->spaces) | |
815 | return; | |
816 | uiout->impl->spaces (uiout, numspaces); | |
817 | } | |
818 | ||
819 | void | |
820 | uo_text (struct ui_out *uiout, char *string) | |
821 | { | |
822 | if (!uiout->impl->text) | |
823 | return; | |
824 | uiout->impl->text (uiout, string); | |
825 | } | |
826 | ||
827 | void | |
828 | uo_message (struct ui_out *uiout, int verbosity, char *format, va_list args) | |
829 | { | |
830 | if (!uiout->impl->message) | |
831 | return; | |
832 | uiout->impl->message (uiout, verbosity, format, args); | |
833 | } | |
834 | ||
835 | void | |
836 | uo_wrap_hint (struct ui_out *uiout, char *identstring) | |
837 | { | |
838 | if (!uiout->impl->wrap_hint) | |
839 | return; | |
840 | uiout->impl->wrap_hint (uiout, identstring); | |
841 | } | |
842 | ||
843 | void | |
844 | uo_flush (struct ui_out *uiout) | |
845 | { | |
846 | if (!uiout->impl->flush) | |
847 | return; | |
848 | uiout->impl->flush (uiout); | |
849 | } | |
850 | ||
851 | /* local functions */ | |
852 | ||
853 | /* list of column headers manipulation routines */ | |
854 | ||
855 | static void | |
856 | clear_header_list (uiout) | |
857 | struct ui_out *uiout; | |
858 | { | |
859 | while (uiout->headerfirst != NULL) | |
860 | { | |
861 | uiout->headercurr = uiout->headerfirst; | |
862 | uiout->headerfirst = uiout->headerfirst->next; | |
863 | if (uiout->headercurr->colhdr != NULL) | |
864 | free (uiout->headercurr->colhdr); | |
865 | free (uiout->headercurr); | |
866 | } | |
867 | uiout->headerlast = NULL; | |
868 | uiout->headercurr = NULL; | |
869 | } | |
870 | ||
871 | static void | |
872 | append_header_to_list (struct ui_out *uiout, | |
873 | int width, | |
874 | int alignment, | |
875 | char *colhdr) | |
876 | { | |
877 | struct ui_out_hdr *temphdr; | |
878 | ||
879 | temphdr = XMALLOC (struct ui_out_hdr); | |
880 | temphdr->width = width; | |
881 | temphdr->alignment = alignment; | |
882 | /* we have to copy the column title as the original may be an automatic */ | |
883 | if (colhdr != NULL) | |
884 | { | |
885 | temphdr->colhdr = xmalloc (strlen (colhdr) + 1); | |
886 | strcpy (temphdr->colhdr, colhdr); | |
887 | } | |
888 | temphdr->next = NULL; | |
889 | if (uiout->headerfirst == NULL) | |
890 | { | |
891 | temphdr->colno = 1; | |
892 | uiout->headerfirst = temphdr; | |
893 | uiout->headerlast = temphdr; | |
894 | } | |
895 | else | |
896 | { | |
897 | temphdr->colno = uiout->headerlast->colno + 1; | |
898 | uiout->headerlast->next = temphdr; | |
899 | uiout->headerlast = temphdr; | |
900 | } | |
901 | uiout->headercurr = uiout->headerlast; | |
902 | } | |
903 | ||
904 | /* returns 0 if there is no more headers */ | |
905 | ||
906 | static int | |
907 | get_curr_header (struct ui_out *uiout, | |
908 | int *colno, | |
909 | int *width, | |
910 | int *alignment, | |
911 | char **colhdr) | |
912 | { | |
913 | /* There may be no headers at all or we may have used all columns */ | |
914 | if (uiout->headercurr == NULL) | |
915 | return 0; | |
916 | *colno = uiout->headercurr->colno; | |
917 | *width = uiout->headercurr->width; | |
918 | *alignment = uiout->headercurr->alignment; | |
919 | *colhdr = uiout->headercurr->colhdr; | |
920 | uiout->headercurr = uiout->headercurr->next; | |
921 | return 1; | |
922 | } | |
923 | ||
924 | /* makes sure the field_* calls were properly placed */ | |
925 | ||
926 | static void | |
927 | verify_field_proper_position (struct ui_out *uiout) | |
928 | { | |
929 | if (uiout->table_flag) | |
930 | { | |
931 | if (!uiout->body_flag) | |
932 | internal_error ("ui_out: table_body missing; table fields must be \ | |
933 | specified after table_body and inside a list."); | |
934 | if (!uiout->list_flag) | |
935 | internal_error ("ui_out: list_begin missing; table fields must be \ | |
936 | specified after table_body and inside a list."); | |
937 | } | |
938 | } | |
939 | ||
940 | /* determines what is the alignment policy */ | |
941 | ||
942 | static void | |
943 | verify_field_alignment (struct ui_out *uiout, | |
944 | int fldno, | |
945 | int *width, | |
946 | int *align) | |
947 | { | |
948 | int colno; | |
949 | char *text; | |
950 | ||
951 | if (uiout->table_flag | |
952 | && get_curr_header (uiout, &colno, width, align, &text)) | |
953 | { | |
954 | if (fldno != colno) | |
955 | internal_error ("gdb/ui-out.c: ui-out internal error in handling headers."); | |
956 | } | |
957 | else | |
958 | { | |
959 | *width = 0; | |
960 | *align = ui_noalign; | |
961 | } | |
962 | } | |
963 | ||
964 | /* access to ui_out format private members */ | |
965 | ||
966 | void | |
967 | ui_out_get_field_separator (uiout) | |
968 | struct ui_out *uiout; | |
969 | { | |
970 | } | |
971 | ||
972 | /* Access to ui-out members data */ | |
973 | ||
974 | struct ui_out_data * | |
975 | ui_out_data (struct ui_out *uiout) | |
976 | { | |
977 | return uiout->data; | |
978 | } | |
979 | ||
980 | /* initalize private members at startup */ | |
981 | ||
982 | struct ui_out * | |
983 | ui_out_new (struct ui_out_impl *impl, | |
984 | struct ui_out_data *data, | |
985 | int flags) | |
986 | { | |
987 | struct ui_out *uiout = XMALLOC (struct ui_out); | |
988 | uiout->data = data; | |
989 | uiout->impl = impl; | |
990 | uiout->flags = flags; | |
991 | uiout->table_flag = 0; | |
992 | uiout->body_flag = 0; | |
993 | uiout->list_flag = 0; | |
994 | uiout->field_count[0] = 0; | |
995 | uiout->headerfirst = NULL; | |
996 | uiout->headerlast = NULL; | |
997 | uiout->headercurr = NULL; | |
998 | return uiout; | |
999 | } | |
1000 | ||
1001 | /* standard gdb initialization hook */ | |
1002 | ||
1003 | void | |
1004 | _initialize_ui_out () | |
1005 | { | |
1006 | /* nothing needs to be done */ | |
1007 | } |