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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) | |
b8c9b27d | 238 | xfree (uiout->table_id); |
8b93c638 JM |
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); | |
b8c9b27d | 318 | struct cleanup *old_cleanup = make_cleanup (xfree, buffer); |
8b93c638 JM |
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); | |
b8c9b27d | 428 | xfree (buf); |
8b93c638 JM |
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 | |
10689f25 | 545 | gdb_query (struct ui_out *uiout, int qflags, char *qprompt) |
8b93c638 JM |
546 | { |
547 | } | |
548 | #endif | |
549 | ||
550 | /* default gdb-out hook functions */ | |
551 | ||
552 | static void | |
fba45db2 | 553 | default_table_begin (struct ui_out *uiout, int nbrofcols, char *tblid) |
8b93c638 JM |
554 | { |
555 | } | |
556 | ||
557 | static void | |
fba45db2 | 558 | default_table_body (struct ui_out *uiout) |
8b93c638 JM |
559 | { |
560 | } | |
561 | ||
562 | static void | |
fba45db2 | 563 | default_table_end (struct ui_out *uiout) |
8b93c638 JM |
564 | { |
565 | } | |
566 | ||
567 | static void | |
fba45db2 KB |
568 | default_table_header (struct ui_out *uiout, int width, enum ui_align alignment, |
569 | char *colhdr) | |
8b93c638 JM |
570 | { |
571 | } | |
572 | ||
573 | static void | |
fba45db2 | 574 | default_list_begin (struct ui_out *uiout, int list_flag, char *lstid) |
8b93c638 JM |
575 | { |
576 | } | |
577 | ||
578 | static void | |
fba45db2 | 579 | default_list_end (struct ui_out *uiout, int list_flag) |
8b93c638 JM |
580 | { |
581 | } | |
582 | ||
583 | static void | |
fba45db2 KB |
584 | default_field_int (struct ui_out *uiout, int fldno, int width, |
585 | enum ui_align align, char *fldname, int value) | |
8b93c638 JM |
586 | { |
587 | } | |
588 | ||
589 | static void | |
fba45db2 KB |
590 | default_field_skip (struct ui_out *uiout, int fldno, int width, |
591 | enum ui_align align, char *fldname) | |
8b93c638 JM |
592 | { |
593 | } | |
594 | ||
595 | static void | |
596 | default_field_string (struct ui_out *uiout, | |
597 | int fldno, | |
598 | int width, | |
599 | enum ui_align align, | |
600 | char *fldname, | |
601 | const char *string) | |
602 | { | |
603 | } | |
604 | ||
605 | static void | |
fba45db2 KB |
606 | default_field_fmt (struct ui_out *uiout, int fldno, int width, |
607 | enum ui_align align, char *fldname, char *format, | |
608 | va_list args) | |
8b93c638 JM |
609 | { |
610 | } | |
611 | ||
612 | static void | |
fba45db2 | 613 | default_spaces (struct ui_out *uiout, int numspaces) |
8b93c638 JM |
614 | { |
615 | } | |
616 | ||
617 | static void | |
fba45db2 | 618 | default_text (struct ui_out *uiout, char *string) |
8b93c638 JM |
619 | { |
620 | } | |
621 | ||
622 | static void | |
fba45db2 KB |
623 | default_message (struct ui_out *uiout, int verbosity, char *format, |
624 | va_list args) | |
8b93c638 JM |
625 | { |
626 | } | |
627 | ||
628 | static void | |
fba45db2 | 629 | default_wrap_hint (struct ui_out *uiout, char *identstring) |
8b93c638 JM |
630 | { |
631 | } | |
632 | ||
633 | static void | |
fba45db2 | 634 | default_flush (struct ui_out *uiout) |
8b93c638 JM |
635 | { |
636 | } | |
637 | ||
638 | /* Interface to the implementation functions */ | |
639 | ||
640 | void | |
641 | uo_table_begin (struct ui_out *uiout, int nbrofcols, char *tblid) | |
642 | { | |
643 | if (!uiout->impl->table_begin) | |
644 | return; | |
645 | uiout->impl->table_begin (uiout, nbrofcols, tblid); | |
646 | } | |
647 | ||
648 | void | |
649 | uo_table_body (struct ui_out *uiout) | |
650 | { | |
651 | if (!uiout->impl->table_body) | |
652 | return; | |
653 | uiout->impl->table_body (uiout); | |
654 | } | |
655 | ||
656 | void | |
657 | uo_table_end (struct ui_out *uiout) | |
658 | { | |
659 | if (!uiout->impl->table_end) | |
660 | return; | |
661 | uiout->impl->table_end (uiout); | |
662 | } | |
663 | ||
664 | void | |
665 | uo_table_header (struct ui_out *uiout, int width, enum ui_align align, char *colhdr) | |
666 | { | |
667 | if (!uiout->impl->table_header) | |
668 | return; | |
669 | uiout->impl->table_header (uiout, width, align, colhdr); | |
670 | } | |
671 | ||
672 | void | |
673 | uo_list_begin (struct ui_out *uiout, int list_flag, char *lstid) | |
674 | { | |
675 | if (!uiout->impl->list_begin) | |
676 | return; | |
677 | uiout->impl->list_begin (uiout, list_flag, lstid); | |
678 | } | |
679 | ||
680 | void | |
681 | uo_list_end (struct ui_out *uiout, int list_flag) | |
682 | { | |
683 | if (!uiout->impl->list_end) | |
684 | return; | |
685 | uiout->impl->list_end (uiout, list_flag); | |
686 | } | |
687 | ||
688 | void | |
689 | uo_field_int (struct ui_out *uiout, int fldno, int width, enum ui_align align, char *fldname, int value) | |
690 | { | |
691 | if (!uiout->impl->field_int) | |
692 | return; | |
693 | uiout->impl->field_int (uiout, fldno, width, align, fldname, value); | |
694 | } | |
695 | ||
696 | void | |
697 | uo_field_skip (struct ui_out *uiout, int fldno, int width, enum ui_align align, char *fldname) | |
698 | { | |
699 | if (!uiout->impl->field_skip) | |
700 | return; | |
701 | uiout->impl->field_skip (uiout, fldno, width, align, fldname); | |
702 | } | |
703 | ||
704 | void | |
705 | uo_field_string (struct ui_out *uiout, int fldno, int width, | |
706 | enum ui_align align, char *fldname, const char *string) | |
707 | { | |
708 | if (!uiout->impl->field_string) | |
709 | return; | |
710 | uiout->impl->field_string (uiout, fldno, width, align, fldname, string); | |
711 | } | |
712 | ||
713 | void | |
714 | uo_field_fmt (struct ui_out *uiout, int fldno, int width, enum ui_align align, char *fldname, char *format, va_list args) | |
715 | { | |
716 | if (!uiout->impl->field_fmt) | |
717 | return; | |
718 | uiout->impl->field_fmt (uiout, fldno, width, align, fldname, format, args); | |
719 | } | |
720 | ||
721 | void | |
722 | uo_spaces (struct ui_out *uiout, int numspaces) | |
723 | { | |
724 | if (!uiout->impl->spaces) | |
725 | return; | |
726 | uiout->impl->spaces (uiout, numspaces); | |
727 | } | |
728 | ||
729 | void | |
730 | uo_text (struct ui_out *uiout, char *string) | |
731 | { | |
732 | if (!uiout->impl->text) | |
733 | return; | |
734 | uiout->impl->text (uiout, string); | |
735 | } | |
736 | ||
737 | void | |
738 | uo_message (struct ui_out *uiout, int verbosity, char *format, va_list args) | |
739 | { | |
740 | if (!uiout->impl->message) | |
741 | return; | |
742 | uiout->impl->message (uiout, verbosity, format, args); | |
743 | } | |
744 | ||
745 | void | |
746 | uo_wrap_hint (struct ui_out *uiout, char *identstring) | |
747 | { | |
748 | if (!uiout->impl->wrap_hint) | |
749 | return; | |
750 | uiout->impl->wrap_hint (uiout, identstring); | |
751 | } | |
752 | ||
753 | void | |
754 | uo_flush (struct ui_out *uiout) | |
755 | { | |
756 | if (!uiout->impl->flush) | |
757 | return; | |
758 | uiout->impl->flush (uiout); | |
759 | } | |
760 | ||
761 | /* local functions */ | |
762 | ||
763 | /* list of column headers manipulation routines */ | |
764 | ||
765 | static void | |
fba45db2 | 766 | clear_header_list (struct ui_out *uiout) |
8b93c638 JM |
767 | { |
768 | while (uiout->headerfirst != NULL) | |
769 | { | |
770 | uiout->headercurr = uiout->headerfirst; | |
771 | uiout->headerfirst = uiout->headerfirst->next; | |
772 | if (uiout->headercurr->colhdr != NULL) | |
b8c9b27d KB |
773 | xfree (uiout->headercurr->colhdr); |
774 | xfree (uiout->headercurr); | |
8b93c638 JM |
775 | } |
776 | uiout->headerlast = NULL; | |
777 | uiout->headercurr = NULL; | |
778 | } | |
779 | ||
780 | static void | |
781 | append_header_to_list (struct ui_out *uiout, | |
782 | int width, | |
783 | int alignment, | |
784 | char *colhdr) | |
785 | { | |
786 | struct ui_out_hdr *temphdr; | |
787 | ||
788 | temphdr = XMALLOC (struct ui_out_hdr); | |
789 | temphdr->width = width; | |
790 | temphdr->alignment = alignment; | |
791 | /* we have to copy the column title as the original may be an automatic */ | |
792 | if (colhdr != NULL) | |
793 | { | |
794 | temphdr->colhdr = xmalloc (strlen (colhdr) + 1); | |
795 | strcpy (temphdr->colhdr, colhdr); | |
796 | } | |
797 | temphdr->next = NULL; | |
798 | if (uiout->headerfirst == NULL) | |
799 | { | |
800 | temphdr->colno = 1; | |
801 | uiout->headerfirst = temphdr; | |
802 | uiout->headerlast = temphdr; | |
803 | } | |
804 | else | |
805 | { | |
806 | temphdr->colno = uiout->headerlast->colno + 1; | |
807 | uiout->headerlast->next = temphdr; | |
808 | uiout->headerlast = temphdr; | |
809 | } | |
810 | uiout->headercurr = uiout->headerlast; | |
811 | } | |
812 | ||
813 | /* returns 0 if there is no more headers */ | |
814 | ||
815 | static int | |
816 | get_curr_header (struct ui_out *uiout, | |
817 | int *colno, | |
818 | int *width, | |
819 | int *alignment, | |
820 | char **colhdr) | |
821 | { | |
822 | /* There may be no headers at all or we may have used all columns */ | |
823 | if (uiout->headercurr == NULL) | |
824 | return 0; | |
825 | *colno = uiout->headercurr->colno; | |
826 | *width = uiout->headercurr->width; | |
827 | *alignment = uiout->headercurr->alignment; | |
828 | *colhdr = uiout->headercurr->colhdr; | |
829 | uiout->headercurr = uiout->headercurr->next; | |
830 | return 1; | |
831 | } | |
832 | ||
833 | /* makes sure the field_* calls were properly placed */ | |
834 | ||
835 | static void | |
836 | verify_field_proper_position (struct ui_out *uiout) | |
837 | { | |
838 | if (uiout->table_flag) | |
839 | { | |
840 | if (!uiout->body_flag) | |
841 | internal_error ("ui_out: table_body missing; table fields must be \ | |
842 | specified after table_body and inside a list."); | |
843 | if (!uiout->list_flag) | |
844 | internal_error ("ui_out: list_begin missing; table fields must be \ | |
845 | specified after table_body and inside a list."); | |
846 | } | |
847 | } | |
848 | ||
849 | /* determines what is the alignment policy */ | |
850 | ||
851 | static void | |
852 | verify_field_alignment (struct ui_out *uiout, | |
853 | int fldno, | |
854 | int *width, | |
855 | int *align) | |
856 | { | |
857 | int colno; | |
858 | char *text; | |
859 | ||
860 | if (uiout->table_flag | |
861 | && get_curr_header (uiout, &colno, width, align, &text)) | |
862 | { | |
863 | if (fldno != colno) | |
864 | internal_error ("gdb/ui-out.c: ui-out internal error in handling headers."); | |
865 | } | |
866 | else | |
867 | { | |
868 | *width = 0; | |
869 | *align = ui_noalign; | |
870 | } | |
871 | } | |
872 | ||
873 | /* access to ui_out format private members */ | |
874 | ||
875 | void | |
fba45db2 | 876 | ui_out_get_field_separator (struct ui_out *uiout) |
8b93c638 JM |
877 | { |
878 | } | |
879 | ||
880 | /* Access to ui-out members data */ | |
881 | ||
882 | struct ui_out_data * | |
883 | ui_out_data (struct ui_out *uiout) | |
884 | { | |
885 | return uiout->data; | |
886 | } | |
887 | ||
888 | /* initalize private members at startup */ | |
889 | ||
890 | struct ui_out * | |
891 | ui_out_new (struct ui_out_impl *impl, | |
892 | struct ui_out_data *data, | |
893 | int flags) | |
894 | { | |
895 | struct ui_out *uiout = XMALLOC (struct ui_out); | |
896 | uiout->data = data; | |
897 | uiout->impl = impl; | |
898 | uiout->flags = flags; | |
899 | uiout->table_flag = 0; | |
900 | uiout->body_flag = 0; | |
901 | uiout->list_flag = 0; | |
902 | uiout->field_count[0] = 0; | |
903 | uiout->headerfirst = NULL; | |
904 | uiout->headerlast = NULL; | |
905 | uiout->headercurr = NULL; | |
906 | return uiout; | |
907 | } | |
908 | ||
909 | /* standard gdb initialization hook */ | |
910 | ||
911 | void | |
fba45db2 | 912 | _initialize_ui_out (void) |
8b93c638 JM |
913 | { |
914 | /* nothing needs to be done */ | |
915 | } |