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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 | ||
e6e0bfab MK |
284 | static void |
285 | do_list_end (void *uiout) | |
286 | { | |
287 | ui_out_list_end (uiout); | |
288 | } | |
289 | ||
290 | struct cleanup * | |
291 | make_cleanup_ui_out_list_end (struct ui_out *uiout) | |
292 | { | |
293 | return make_cleanup (do_list_end, uiout); | |
294 | } | |
295 | ||
8b93c638 | 296 | void |
fba45db2 | 297 | ui_out_field_int (struct ui_out *uiout, char *fldname, int value) |
8b93c638 JM |
298 | { |
299 | int fldno; | |
300 | int width; | |
301 | int align; | |
302 | ||
303 | verify_field_proper_position (uiout); | |
304 | ||
305 | uiout->field_count[uiout->list_flag] += 1; | |
306 | fldno = uiout->field_count[uiout->list_flag]; | |
307 | ||
308 | verify_field_alignment (uiout, fldno, &width, &align); | |
309 | ||
310 | uo_field_int (uiout, fldno, width, align, fldname, value); | |
311 | } | |
312 | ||
313 | void | |
fba45db2 | 314 | ui_out_field_core_addr (struct ui_out *uiout, char *fldname, CORE_ADDR address) |
8b93c638 JM |
315 | { |
316 | char addstr[20]; | |
317 | ||
318 | /* FIXME-32x64: need a print_address_numeric with field width */ | |
319 | /* print_address_numeric (address, 1, local_stream); */ | |
320 | strcpy (addstr, local_hex_string_custom ((unsigned long) address, "08l")); | |
321 | ||
322 | ui_out_field_string (uiout, fldname, addstr); | |
323 | } | |
324 | ||
325 | void | |
fba45db2 | 326 | ui_out_field_stream (struct ui_out *uiout, char *fldname, struct ui_stream *buf) |
8b93c638 JM |
327 | { |
328 | long length; | |
329 | char *buffer = ui_file_xstrdup (buf->stream, &length); | |
b8c9b27d | 330 | struct cleanup *old_cleanup = make_cleanup (xfree, buffer); |
8b93c638 JM |
331 | if (length > 0) |
332 | ui_out_field_string (uiout, fldname, buffer); | |
333 | else | |
334 | ui_out_field_skip (uiout, fldname); | |
335 | ui_file_rewind (buf->stream); | |
336 | do_cleanups (old_cleanup); | |
337 | } | |
338 | ||
339 | /* used to ommit a field */ | |
340 | ||
341 | void | |
fba45db2 | 342 | ui_out_field_skip (struct ui_out *uiout, char *fldname) |
8b93c638 JM |
343 | { |
344 | int fldno; | |
345 | int width; | |
346 | int align; | |
347 | ||
348 | verify_field_proper_position (uiout); | |
349 | ||
350 | uiout->field_count[uiout->list_flag] += 1; | |
351 | fldno = uiout->field_count[uiout->list_flag]; | |
352 | ||
353 | verify_field_alignment (uiout, fldno, &width, &align); | |
354 | ||
355 | uo_field_skip (uiout, fldno, width, align, fldname); | |
356 | } | |
357 | ||
358 | void | |
359 | ui_out_field_string (struct ui_out *uiout, | |
360 | char *fldname, | |
361 | const char *string) | |
362 | { | |
363 | int fldno; | |
364 | int width; | |
365 | int align; | |
366 | ||
367 | verify_field_proper_position (uiout); | |
368 | ||
369 | uiout->field_count[uiout->list_flag] += 1; | |
370 | fldno = uiout->field_count[uiout->list_flag]; | |
371 | ||
372 | verify_field_alignment (uiout, fldno, &width, &align); | |
373 | ||
374 | uo_field_string (uiout, fldno, width, align, fldname, string); | |
375 | } | |
376 | ||
377 | /* VARARGS */ | |
378 | void | |
379 | ui_out_field_fmt (struct ui_out *uiout, char *fldname, char *format,...) | |
380 | { | |
381 | va_list args; | |
382 | int fldno; | |
383 | int width; | |
384 | int align; | |
385 | ||
386 | verify_field_proper_position (uiout); | |
387 | ||
388 | uiout->field_count[uiout->list_flag] += 1; | |
389 | fldno = uiout->field_count[uiout->list_flag]; | |
390 | ||
391 | /* will not align, but has to call anyway */ | |
392 | verify_field_alignment (uiout, fldno, &width, &align); | |
393 | ||
394 | va_start (args, format); | |
395 | ||
396 | uo_field_fmt (uiout, fldno, width, align, fldname, format, args); | |
397 | ||
398 | va_end (args); | |
399 | } | |
400 | ||
401 | void | |
fba45db2 | 402 | ui_out_spaces (struct ui_out *uiout, int numspaces) |
8b93c638 JM |
403 | { |
404 | uo_spaces (uiout, numspaces); | |
405 | } | |
406 | ||
407 | void | |
fba45db2 | 408 | ui_out_text (struct ui_out *uiout, char *string) |
8b93c638 JM |
409 | { |
410 | uo_text (uiout, string); | |
411 | } | |
412 | ||
413 | void | |
414 | ui_out_message (struct ui_out *uiout, int verbosity, char *format,...) | |
415 | { | |
416 | va_list args; | |
417 | ||
418 | va_start (args, format); | |
419 | ||
420 | uo_message (uiout, verbosity, format, args); | |
421 | ||
422 | va_end (args); | |
423 | } | |
424 | ||
425 | struct ui_stream * | |
fba45db2 | 426 | ui_out_stream_new (struct ui_out *uiout) |
8b93c638 JM |
427 | { |
428 | struct ui_stream *tempbuf; | |
429 | ||
430 | tempbuf = XMALLOC (struct ui_stream); | |
431 | tempbuf->uiout = uiout; | |
432 | tempbuf->stream = mem_fileopen (); | |
433 | return tempbuf; | |
434 | } | |
435 | ||
436 | void | |
fba45db2 | 437 | ui_out_stream_delete (struct ui_stream *buf) |
8b93c638 JM |
438 | { |
439 | ui_file_delete (buf->stream); | |
b8c9b27d | 440 | xfree (buf); |
8b93c638 JM |
441 | } |
442 | ||
443 | static void | |
444 | do_stream_delete (void *buf) | |
445 | { | |
446 | ui_out_stream_delete (buf); | |
447 | } | |
448 | ||
449 | struct cleanup * | |
450 | make_cleanup_ui_out_stream_delete (struct ui_stream *buf) | |
451 | { | |
452 | return make_cleanup (do_stream_delete, buf); | |
453 | } | |
454 | ||
455 | ||
456 | void | |
fba45db2 | 457 | ui_out_wrap_hint (struct ui_out *uiout, char *identstring) |
8b93c638 JM |
458 | { |
459 | uo_wrap_hint (uiout, identstring); | |
460 | } | |
461 | ||
462 | void | |
fba45db2 | 463 | ui_out_flush (struct ui_out *uiout) |
8b93c638 JM |
464 | { |
465 | uo_flush (uiout); | |
466 | } | |
467 | ||
468 | /* set the flags specified by the mask given */ | |
469 | int | |
fba45db2 | 470 | ui_out_set_flags (struct ui_out *uiout, int mask) |
8b93c638 | 471 | { |
5bfb05ca | 472 | int oldflags = uiout->flags; |
8b93c638 | 473 | |
b8d86de3 | 474 | uiout->flags |= mask; |
8b93c638 JM |
475 | |
476 | return oldflags; | |
477 | } | |
478 | ||
479 | /* clear the flags specified by the mask given */ | |
480 | int | |
fba45db2 | 481 | ui_out_clear_flags (struct ui_out *uiout, int mask) |
8b93c638 | 482 | { |
5bfb05ca | 483 | int oldflags = uiout->flags; |
8b93c638 JM |
484 | |
485 | uiout->flags &= ~mask; | |
486 | ||
487 | return oldflags; | |
488 | } | |
489 | ||
490 | /* test the flags against the mask given */ | |
491 | int | |
fba45db2 | 492 | ui_out_test_flags (struct ui_out *uiout, int mask) |
8b93c638 JM |
493 | { |
494 | return (uiout->flags & mask); | |
495 | } | |
496 | ||
497 | /* obtain the current verbosity level (as stablished by the | |
498 | 'set verbositylevel' command */ | |
499 | ||
500 | int | |
fba45db2 | 501 | ui_out_get_verblvl (struct ui_out *uiout) |
8b93c638 JM |
502 | { |
503 | /* FIXME: not implemented yet */ | |
504 | return 0; | |
505 | } | |
506 | ||
507 | #if 0 | |
508 | void | |
fba45db2 | 509 | ui_out_result_begin (struct ui_out *uiout, char *class) |
8b93c638 JM |
510 | { |
511 | } | |
512 | ||
513 | void | |
fba45db2 | 514 | ui_out_result_end (struct ui_out *uiout) |
8b93c638 JM |
515 | { |
516 | } | |
517 | ||
518 | void | |
fba45db2 | 519 | ui_out_info_begin (struct ui_out *uiout, char *class) |
8b93c638 JM |
520 | { |
521 | } | |
522 | ||
523 | void | |
fba45db2 | 524 | ui_out_info_end (struct ui_out *uiout) |
8b93c638 JM |
525 | { |
526 | } | |
527 | ||
528 | void | |
fba45db2 | 529 | ui_out_notify_begin (struct ui_out *uiout, char *class) |
8b93c638 JM |
530 | { |
531 | } | |
532 | ||
533 | void | |
fba45db2 | 534 | ui_out_notify_end (struct ui_out *uiout) |
8b93c638 JM |
535 | { |
536 | } | |
537 | ||
538 | void | |
fba45db2 | 539 | ui_out_error_begin (struct ui_out *uiout, char *class) |
8b93c638 JM |
540 | { |
541 | } | |
542 | ||
543 | void | |
fba45db2 | 544 | ui_out_error_end (struct ui_out *uiout) |
8b93c638 JM |
545 | { |
546 | } | |
547 | #endif | |
548 | ||
549 | #if 0 | |
550 | void | |
551 | gdb_error (ui_out * uiout, int severity, char *format,...) | |
552 | { | |
553 | va_list args; | |
554 | } | |
555 | ||
556 | void | |
10689f25 | 557 | gdb_query (struct ui_out *uiout, int qflags, char *qprompt) |
8b93c638 JM |
558 | { |
559 | } | |
560 | #endif | |
561 | ||
562 | /* default gdb-out hook functions */ | |
563 | ||
564 | static void | |
fba45db2 | 565 | default_table_begin (struct ui_out *uiout, int nbrofcols, char *tblid) |
8b93c638 JM |
566 | { |
567 | } | |
568 | ||
569 | static void | |
fba45db2 | 570 | default_table_body (struct ui_out *uiout) |
8b93c638 JM |
571 | { |
572 | } | |
573 | ||
574 | static void | |
fba45db2 | 575 | default_table_end (struct ui_out *uiout) |
8b93c638 JM |
576 | { |
577 | } | |
578 | ||
579 | static void | |
fba45db2 KB |
580 | default_table_header (struct ui_out *uiout, int width, enum ui_align alignment, |
581 | char *colhdr) | |
8b93c638 JM |
582 | { |
583 | } | |
584 | ||
585 | static void | |
fba45db2 | 586 | default_list_begin (struct ui_out *uiout, int list_flag, char *lstid) |
8b93c638 JM |
587 | { |
588 | } | |
589 | ||
590 | static void | |
fba45db2 | 591 | default_list_end (struct ui_out *uiout, int list_flag) |
8b93c638 JM |
592 | { |
593 | } | |
594 | ||
595 | static void | |
fba45db2 KB |
596 | default_field_int (struct ui_out *uiout, int fldno, int width, |
597 | enum ui_align align, char *fldname, int value) | |
8b93c638 JM |
598 | { |
599 | } | |
600 | ||
601 | static void | |
fba45db2 KB |
602 | default_field_skip (struct ui_out *uiout, int fldno, int width, |
603 | enum ui_align align, char *fldname) | |
8b93c638 JM |
604 | { |
605 | } | |
606 | ||
607 | static void | |
608 | default_field_string (struct ui_out *uiout, | |
609 | int fldno, | |
610 | int width, | |
611 | enum ui_align align, | |
612 | char *fldname, | |
613 | const char *string) | |
614 | { | |
615 | } | |
616 | ||
617 | static void | |
fba45db2 KB |
618 | default_field_fmt (struct ui_out *uiout, int fldno, int width, |
619 | enum ui_align align, char *fldname, char *format, | |
620 | va_list args) | |
8b93c638 JM |
621 | { |
622 | } | |
623 | ||
624 | static void | |
fba45db2 | 625 | default_spaces (struct ui_out *uiout, int numspaces) |
8b93c638 JM |
626 | { |
627 | } | |
628 | ||
629 | static void | |
fba45db2 | 630 | default_text (struct ui_out *uiout, char *string) |
8b93c638 JM |
631 | { |
632 | } | |
633 | ||
634 | static void | |
fba45db2 KB |
635 | default_message (struct ui_out *uiout, int verbosity, char *format, |
636 | va_list args) | |
8b93c638 JM |
637 | { |
638 | } | |
639 | ||
640 | static void | |
fba45db2 | 641 | default_wrap_hint (struct ui_out *uiout, char *identstring) |
8b93c638 JM |
642 | { |
643 | } | |
644 | ||
645 | static void | |
fba45db2 | 646 | default_flush (struct ui_out *uiout) |
8b93c638 JM |
647 | { |
648 | } | |
649 | ||
650 | /* Interface to the implementation functions */ | |
651 | ||
652 | void | |
653 | uo_table_begin (struct ui_out *uiout, int nbrofcols, char *tblid) | |
654 | { | |
655 | if (!uiout->impl->table_begin) | |
656 | return; | |
657 | uiout->impl->table_begin (uiout, nbrofcols, tblid); | |
658 | } | |
659 | ||
660 | void | |
661 | uo_table_body (struct ui_out *uiout) | |
662 | { | |
663 | if (!uiout->impl->table_body) | |
664 | return; | |
665 | uiout->impl->table_body (uiout); | |
666 | } | |
667 | ||
668 | void | |
669 | uo_table_end (struct ui_out *uiout) | |
670 | { | |
671 | if (!uiout->impl->table_end) | |
672 | return; | |
673 | uiout->impl->table_end (uiout); | |
674 | } | |
675 | ||
676 | void | |
677 | uo_table_header (struct ui_out *uiout, int width, enum ui_align align, char *colhdr) | |
678 | { | |
679 | if (!uiout->impl->table_header) | |
680 | return; | |
681 | uiout->impl->table_header (uiout, width, align, colhdr); | |
682 | } | |
683 | ||
684 | void | |
685 | uo_list_begin (struct ui_out *uiout, int list_flag, char *lstid) | |
686 | { | |
687 | if (!uiout->impl->list_begin) | |
688 | return; | |
689 | uiout->impl->list_begin (uiout, list_flag, lstid); | |
690 | } | |
691 | ||
692 | void | |
693 | uo_list_end (struct ui_out *uiout, int list_flag) | |
694 | { | |
695 | if (!uiout->impl->list_end) | |
696 | return; | |
697 | uiout->impl->list_end (uiout, list_flag); | |
698 | } | |
699 | ||
700 | void | |
701 | uo_field_int (struct ui_out *uiout, int fldno, int width, enum ui_align align, char *fldname, int value) | |
702 | { | |
703 | if (!uiout->impl->field_int) | |
704 | return; | |
705 | uiout->impl->field_int (uiout, fldno, width, align, fldname, value); | |
706 | } | |
707 | ||
708 | void | |
709 | uo_field_skip (struct ui_out *uiout, int fldno, int width, enum ui_align align, char *fldname) | |
710 | { | |
711 | if (!uiout->impl->field_skip) | |
712 | return; | |
713 | uiout->impl->field_skip (uiout, fldno, width, align, fldname); | |
714 | } | |
715 | ||
716 | void | |
717 | uo_field_string (struct ui_out *uiout, int fldno, int width, | |
718 | enum ui_align align, char *fldname, const char *string) | |
719 | { | |
720 | if (!uiout->impl->field_string) | |
721 | return; | |
722 | uiout->impl->field_string (uiout, fldno, width, align, fldname, string); | |
723 | } | |
724 | ||
725 | void | |
726 | uo_field_fmt (struct ui_out *uiout, int fldno, int width, enum ui_align align, char *fldname, char *format, va_list args) | |
727 | { | |
728 | if (!uiout->impl->field_fmt) | |
729 | return; | |
730 | uiout->impl->field_fmt (uiout, fldno, width, align, fldname, format, args); | |
731 | } | |
732 | ||
733 | void | |
734 | uo_spaces (struct ui_out *uiout, int numspaces) | |
735 | { | |
736 | if (!uiout->impl->spaces) | |
737 | return; | |
738 | uiout->impl->spaces (uiout, numspaces); | |
739 | } | |
740 | ||
741 | void | |
742 | uo_text (struct ui_out *uiout, char *string) | |
743 | { | |
744 | if (!uiout->impl->text) | |
745 | return; | |
746 | uiout->impl->text (uiout, string); | |
747 | } | |
748 | ||
749 | void | |
750 | uo_message (struct ui_out *uiout, int verbosity, char *format, va_list args) | |
751 | { | |
752 | if (!uiout->impl->message) | |
753 | return; | |
754 | uiout->impl->message (uiout, verbosity, format, args); | |
755 | } | |
756 | ||
757 | void | |
758 | uo_wrap_hint (struct ui_out *uiout, char *identstring) | |
759 | { | |
760 | if (!uiout->impl->wrap_hint) | |
761 | return; | |
762 | uiout->impl->wrap_hint (uiout, identstring); | |
763 | } | |
764 | ||
765 | void | |
766 | uo_flush (struct ui_out *uiout) | |
767 | { | |
768 | if (!uiout->impl->flush) | |
769 | return; | |
770 | uiout->impl->flush (uiout); | |
771 | } | |
772 | ||
773 | /* local functions */ | |
774 | ||
775 | /* list of column headers manipulation routines */ | |
776 | ||
777 | static void | |
fba45db2 | 778 | clear_header_list (struct ui_out *uiout) |
8b93c638 JM |
779 | { |
780 | while (uiout->headerfirst != NULL) | |
781 | { | |
782 | uiout->headercurr = uiout->headerfirst; | |
783 | uiout->headerfirst = uiout->headerfirst->next; | |
784 | if (uiout->headercurr->colhdr != NULL) | |
b8c9b27d KB |
785 | xfree (uiout->headercurr->colhdr); |
786 | xfree (uiout->headercurr); | |
8b93c638 JM |
787 | } |
788 | uiout->headerlast = NULL; | |
789 | uiout->headercurr = NULL; | |
790 | } | |
791 | ||
792 | static void | |
793 | append_header_to_list (struct ui_out *uiout, | |
794 | int width, | |
795 | int alignment, | |
796 | char *colhdr) | |
797 | { | |
798 | struct ui_out_hdr *temphdr; | |
799 | ||
800 | temphdr = XMALLOC (struct ui_out_hdr); | |
801 | temphdr->width = width; | |
802 | temphdr->alignment = alignment; | |
803 | /* we have to copy the column title as the original may be an automatic */ | |
804 | if (colhdr != NULL) | |
805 | { | |
806 | temphdr->colhdr = xmalloc (strlen (colhdr) + 1); | |
807 | strcpy (temphdr->colhdr, colhdr); | |
808 | } | |
809 | temphdr->next = NULL; | |
810 | if (uiout->headerfirst == NULL) | |
811 | { | |
812 | temphdr->colno = 1; | |
813 | uiout->headerfirst = temphdr; | |
814 | uiout->headerlast = temphdr; | |
815 | } | |
816 | else | |
817 | { | |
818 | temphdr->colno = uiout->headerlast->colno + 1; | |
819 | uiout->headerlast->next = temphdr; | |
820 | uiout->headerlast = temphdr; | |
821 | } | |
822 | uiout->headercurr = uiout->headerlast; | |
823 | } | |
824 | ||
825 | /* returns 0 if there is no more headers */ | |
826 | ||
827 | static int | |
828 | get_curr_header (struct ui_out *uiout, | |
829 | int *colno, | |
830 | int *width, | |
831 | int *alignment, | |
832 | char **colhdr) | |
833 | { | |
834 | /* There may be no headers at all or we may have used all columns */ | |
835 | if (uiout->headercurr == NULL) | |
836 | return 0; | |
837 | *colno = uiout->headercurr->colno; | |
838 | *width = uiout->headercurr->width; | |
839 | *alignment = uiout->headercurr->alignment; | |
840 | *colhdr = uiout->headercurr->colhdr; | |
841 | uiout->headercurr = uiout->headercurr->next; | |
842 | return 1; | |
843 | } | |
844 | ||
845 | /* makes sure the field_* calls were properly placed */ | |
846 | ||
847 | static void | |
848 | verify_field_proper_position (struct ui_out *uiout) | |
849 | { | |
850 | if (uiout->table_flag) | |
851 | { | |
852 | if (!uiout->body_flag) | |
853 | internal_error ("ui_out: table_body missing; table fields must be \ | |
854 | specified after table_body and inside a list."); | |
855 | if (!uiout->list_flag) | |
856 | internal_error ("ui_out: list_begin missing; table fields must be \ | |
857 | specified after table_body and inside a list."); | |
858 | } | |
859 | } | |
860 | ||
861 | /* determines what is the alignment policy */ | |
862 | ||
863 | static void | |
864 | verify_field_alignment (struct ui_out *uiout, | |
865 | int fldno, | |
866 | int *width, | |
867 | int *align) | |
868 | { | |
869 | int colno; | |
870 | char *text; | |
871 | ||
872 | if (uiout->table_flag | |
873 | && get_curr_header (uiout, &colno, width, align, &text)) | |
874 | { | |
875 | if (fldno != colno) | |
876 | internal_error ("gdb/ui-out.c: ui-out internal error in handling headers."); | |
877 | } | |
878 | else | |
879 | { | |
880 | *width = 0; | |
881 | *align = ui_noalign; | |
882 | } | |
883 | } | |
884 | ||
885 | /* access to ui_out format private members */ | |
886 | ||
887 | void | |
fba45db2 | 888 | ui_out_get_field_separator (struct ui_out *uiout) |
8b93c638 JM |
889 | { |
890 | } | |
891 | ||
892 | /* Access to ui-out members data */ | |
893 | ||
894 | struct ui_out_data * | |
895 | ui_out_data (struct ui_out *uiout) | |
896 | { | |
897 | return uiout->data; | |
898 | } | |
899 | ||
900 | /* initalize private members at startup */ | |
901 | ||
902 | struct ui_out * | |
903 | ui_out_new (struct ui_out_impl *impl, | |
904 | struct ui_out_data *data, | |
905 | int flags) | |
906 | { | |
907 | struct ui_out *uiout = XMALLOC (struct ui_out); | |
908 | uiout->data = data; | |
909 | uiout->impl = impl; | |
910 | uiout->flags = flags; | |
911 | uiout->table_flag = 0; | |
912 | uiout->body_flag = 0; | |
913 | uiout->list_flag = 0; | |
914 | uiout->field_count[0] = 0; | |
915 | uiout->headerfirst = NULL; | |
916 | uiout->headerlast = NULL; | |
917 | uiout->headercurr = NULL; | |
918 | return uiout; | |
919 | } | |
920 | ||
921 | /* standard gdb initialization hook */ | |
922 | ||
923 | void | |
fba45db2 | 924 | _initialize_ui_out (void) |
8b93c638 JM |
925 | { |
926 | /* nothing needs to be done */ | |
927 | } |