1 /* Output generating routines for GDB.
3 Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
5 Contributed by Cygnus Solutions.
6 Written by Fernando Nasser for Cygnus.
8 This file is part of GDB.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330,
23 Boston, MA 02111-1307, USA. */
26 #include "gdb_string.h"
27 #include "expression.h" /* For language.h */
30 #include "gdb_assert.h"
32 /* table header structures */
41 struct ui_out_hdr
*next
;
44 /* Maintain a stack so that the info applicable to the inner most list
45 is always available. Stack/nested level 0 is reserved for the
48 enum { MAX_UI_OUT_LEVELS
= 5 };
52 /* Count each field; the first element is for non-list fields */
54 /* The type of this level. */
55 enum ui_out_type type
;
58 /* Tables are special. Maintain a separate structure that tracks
59 their state. At present an output can only contain a single table
60 but that restriction might eventually be lifted. */
64 /* If on, a table is being generated. */
67 /* If on, the body of a table is being generated. If off, the table
68 header is being generated. */
71 /* The level at which each entry of the table is to be found. A row
72 (a tuple) is made up of entries. Consequently ENTRY_LEVEL is one
73 above that of the table. */
76 /* Number of table columns (as specified in the table_begin call). */
79 /* String identifying the table (as specified in the table_begin
83 /* Points to the first table header (if any). */
84 struct ui_out_hdr
*header_first
;
86 /* Points to the last table header (if any). */
87 struct ui_out_hdr
*header_last
;
89 /* Points to header of NEXT column to format. */
90 struct ui_out_hdr
*header_next
;
95 /* The ui_out structure */
96 /* Any change here requires a corresponding one in the initialization
97 of the default uiout, which is statically initialized */
102 /* specific implementation of ui-out */
103 struct ui_out_impl
*impl
;
104 struct ui_out_data
*data
;
106 /* Sub structure tracking the ui-out depth. */
108 struct ui_out_level levels
[MAX_UI_OUT_LEVELS
];
110 /* A table, if any. At present only a single table is supported. */
111 struct ui_out_table table
;
114 /* The current (inner most) level. */
115 static struct ui_out_level
*
116 current_level (struct ui_out
*uiout
)
118 return &uiout
->levels
[uiout
->level
];
121 /* Create a new level, of TYPE. Return the new level's index. */
123 push_level (struct ui_out
*uiout
,
124 enum ui_out_type type
,
127 struct ui_out_level
*current
;
128 /* We had better not overflow the buffer. */
130 gdb_assert (uiout
->level
>= 0 && uiout
->level
< MAX_UI_OUT_LEVELS
);
131 current
= current_level (uiout
);
132 current
->field_count
= 0;
133 current
->type
= type
;
137 /* Discard the current level, return the discarded level's index.
138 TYPE is the type of the level being discarded. */
140 pop_level (struct ui_out
*uiout
,
141 enum ui_out_type type
)
143 /* We had better not underflow the buffer. */
144 gdb_assert (uiout
->level
> 0 && uiout
->level
< MAX_UI_OUT_LEVELS
);
145 gdb_assert (current_level (uiout
)->type
== type
);
147 return uiout
->level
+ 1;
151 /* These are the default implementation functions */
153 static void default_table_begin (struct ui_out
*uiout
, int nbrofcols
,
154 int nr_rows
, const char *tblid
);
155 static void default_table_body (struct ui_out
*uiout
);
156 static void default_table_end (struct ui_out
*uiout
);
157 static void default_table_header (struct ui_out
*uiout
, int width
,
158 enum ui_align alig
, const char *col_name
,
160 static void default_begin (struct ui_out
*uiout
,
161 enum ui_out_type type
,
162 int level
, const char *id
);
163 static void default_end (struct ui_out
*uiout
,
164 enum ui_out_type type
,
166 static void default_field_int (struct ui_out
*uiout
, int fldno
, int width
,
170 static void default_field_skip (struct ui_out
*uiout
, int fldno
, int width
,
172 const char *fldname
);
173 static void default_field_string (struct ui_out
*uiout
, int fldno
, int width
,
177 static void default_field_fmt (struct ui_out
*uiout
, int fldno
,
178 int width
, enum ui_align align
,
182 static void default_spaces (struct ui_out
*uiout
, int numspaces
);
183 static void default_text (struct ui_out
*uiout
, const char *string
);
184 static void default_message (struct ui_out
*uiout
, int verbosity
,
187 static void default_wrap_hint (struct ui_out
*uiout
, char *identstring
);
188 static void default_flush (struct ui_out
*uiout
);
190 /* This is the default ui-out implementation functions vector */
192 struct ui_out_impl default_ui_out_impl
=
197 default_table_header
,
202 default_field_string
,
209 0, /* Does not need MI hacks. */
212 /* The default ui_out */
214 struct ui_out def_uiout
=
217 &default_ui_out_impl
, /* impl */
220 /* Pointer to current ui_out */
221 /* FIXME: This should not be a global, but something passed down from main.c
224 struct ui_out
*uiout
= &def_uiout
;
226 /* These are the interfaces to implementation functions */
228 static void uo_table_begin (struct ui_out
*uiout
, int nbrofcols
,
229 int nr_rows
, const char *tblid
);
230 static void uo_table_body (struct ui_out
*uiout
);
231 static void uo_table_end (struct ui_out
*uiout
);
232 static void uo_table_header (struct ui_out
*uiout
, int width
,
233 enum ui_align align
, const char *col_name
,
235 static void uo_begin (struct ui_out
*uiout
,
236 enum ui_out_type type
,
237 int level
, const char *id
);
238 static void uo_end (struct ui_out
*uiout
,
239 enum ui_out_type type
,
241 static void uo_field_int (struct ui_out
*uiout
, int fldno
, int width
,
242 enum ui_align align
, const char *fldname
, int value
);
243 static void uo_field_skip (struct ui_out
*uiout
, int fldno
, int width
,
244 enum ui_align align
, const char *fldname
);
245 static void uo_field_string (struct ui_out
*uiout
, int fldno
, int width
,
246 enum ui_align align
, const char *fldname
,
248 static void uo_field_fmt (struct ui_out
*uiout
, int fldno
, int width
,
249 enum ui_align align
, const char *fldname
,
250 const char *format
, va_list args
);
251 static void uo_spaces (struct ui_out
*uiout
, int numspaces
);
252 static void uo_text (struct ui_out
*uiout
, const char *string
);
253 static void uo_message (struct ui_out
*uiout
, int verbosity
,
254 const char *format
, va_list args
);
255 static void uo_wrap_hint (struct ui_out
*uiout
, char *identstring
);
256 static void uo_flush (struct ui_out
*uiout
);
258 /* Prototypes for local functions */
260 extern void _initialize_ui_out (void);
261 static void append_header_to_list (struct ui_out
*uiout
, int width
,
262 int alignment
, const char *col_name
,
264 static int get_next_header (struct ui_out
*uiout
, int *colno
, int *width
,
265 int *alignment
, char **colhdr
);
266 static void clear_header_list (struct ui_out
*uiout
);
267 static void verify_field (struct ui_out
*uiout
, int *fldno
, int *width
,
270 static void init_ui_out_state (struct ui_out
*uiout
);
272 /* exported functions (ui_out API) */
274 /* Mark beginning of a table */
277 ui_out_table_begin (struct ui_out
*uiout
, int nbrofcols
,
281 if (uiout
->table
.flag
)
282 internal_error (__FILE__
, __LINE__
,
283 "tables cannot be nested; table_begin found before \
284 previous table_end.");
286 uiout
->table
.flag
= 1;
287 uiout
->table
.body_flag
= 0;
288 uiout
->table
.entry_level
= uiout
->level
+ 1;
289 uiout
->table
.columns
= nbrofcols
;
291 uiout
->table
.id
= xstrdup (tblid
);
293 uiout
->table
.id
= NULL
;
294 clear_header_list (uiout
);
296 uo_table_begin (uiout
, nbrofcols
, nr_rows
, uiout
->table
.id
);
300 ui_out_table_body (struct ui_out
*uiout
)
302 if (!uiout
->table
.flag
)
303 internal_error (__FILE__
, __LINE__
,
304 "table_body outside a table is not valid; it must be \
305 after a table_begin and before a table_end.");
306 if (uiout
->table
.body_flag
)
307 internal_error (__FILE__
, __LINE__
,
308 "extra table_body call not allowed; there must be \
309 only one table_body after a table_begin and before a table_end.");
310 if (uiout
->table
.header_next
->colno
!= uiout
->table
.columns
)
311 internal_error (__FILE__
, __LINE__
,
312 "number of headers differ from number of table \
315 uiout
->table
.body_flag
= 1;
316 uiout
->table
.header_next
= uiout
->table
.header_first
;
318 uo_table_body (uiout
);
322 ui_out_table_end (struct ui_out
*uiout
)
324 if (!uiout
->table
.flag
)
325 internal_error (__FILE__
, __LINE__
,
326 "misplaced table_end or missing table_begin.");
328 uiout
->table
.entry_level
= 0;
329 uiout
->table
.body_flag
= 0;
330 uiout
->table
.flag
= 0;
332 uo_table_end (uiout
);
335 xfree (uiout
->table
.id
);
336 clear_header_list (uiout
);
340 ui_out_table_header (struct ui_out
*uiout
, int width
, enum ui_align alignment
,
341 const char *col_name
,
344 if (!uiout
->table
.flag
|| uiout
->table
.body_flag
)
345 internal_error (__FILE__
, __LINE__
,
346 "table header must be specified after table_begin \
347 and before table_body.");
349 append_header_to_list (uiout
, width
, alignment
, col_name
, colhdr
);
351 uo_table_header (uiout
, width
, alignment
, col_name
, colhdr
);
355 ui_out_begin (struct ui_out
*uiout
,
356 enum ui_out_type type
,
360 if (uiout
->table
.flag
&& !uiout
->table
.body_flag
)
361 internal_error (__FILE__
, __LINE__
,
362 "table header or table_body expected; lists must be \
363 specified after table_body.");
365 /* Be careful to verify the ``field'' before the new tuple/list is
366 pushed onto the stack. That way the containing list/table/row is
367 verified and not the newly created tuple/list. This verification
368 is needed (at least) for the case where a table row entry
369 contains either a tuple/list. For that case bookkeeping such as
370 updating the column count or advancing to the next heading still
371 needs to be performed. */
376 verify_field (uiout
, &fldno
, &width
, &align
);
379 new_level
= push_level (uiout
, type
, id
);
381 /* If the push puts us at the same level as a table row entry, we've
382 got a new table row. Put the header pointer back to the start. */
383 if (uiout
->table
.body_flag
384 && uiout
->table
.entry_level
== new_level
)
385 uiout
->table
.header_next
= uiout
->table
.header_first
;
387 uo_begin (uiout
, type
, new_level
, id
);
391 ui_out_list_begin (struct ui_out
*uiout
,
394 ui_out_begin (uiout
, ui_out_type_list
, id
);
398 ui_out_tuple_begin (struct ui_out
*uiout
, const char *id
)
400 ui_out_begin (uiout
, ui_out_type_tuple
, id
);
404 ui_out_end (struct ui_out
*uiout
,
405 enum ui_out_type type
)
407 int old_level
= pop_level (uiout
, type
);
408 uo_end (uiout
, type
, old_level
);
412 ui_out_list_end (struct ui_out
*uiout
)
414 ui_out_end (uiout
, ui_out_type_list
);
418 ui_out_tuple_end (struct ui_out
*uiout
)
420 ui_out_end (uiout
, ui_out_type_tuple
);
423 struct ui_out_end_cleanup_data
425 struct ui_out
*uiout
;
426 enum ui_out_type type
;
430 do_cleanup_end (void *data
)
432 struct ui_out_end_cleanup_data
*end_cleanup_data
= data
;
433 ui_out_end (end_cleanup_data
->uiout
, end_cleanup_data
->type
);
434 xfree (end_cleanup_data
);
437 static struct cleanup
*
438 make_cleanup_ui_out_end (struct ui_out
*uiout
,
439 enum ui_out_type type
)
441 struct ui_out_end_cleanup_data
*end_cleanup_data
;
442 end_cleanup_data
= XMALLOC (struct ui_out_end_cleanup_data
);
443 end_cleanup_data
->uiout
= uiout
;
444 end_cleanup_data
->type
= type
;
445 return make_cleanup (do_cleanup_end
, end_cleanup_data
);
449 make_cleanup_ui_out_begin_end (struct ui_out
*uiout
,
450 enum ui_out_type type
,
453 ui_out_begin (uiout
, type
, id
);
454 return make_cleanup_ui_out_end (uiout
, type
);
458 make_cleanup_ui_out_tuple_begin_end (struct ui_out
*uiout
,
461 ui_out_tuple_begin (uiout
, id
);
462 return make_cleanup_ui_out_end (uiout
, ui_out_type_tuple
);
466 make_cleanup_ui_out_list_begin_end (struct ui_out
*uiout
,
469 ui_out_list_begin (uiout
, id
);
470 return make_cleanup_ui_out_end (uiout
, ui_out_type_list
);
474 ui_out_field_int (struct ui_out
*uiout
,
481 struct ui_out_level
*current
= current_level (uiout
);
483 verify_field (uiout
, &fldno
, &width
, &align
);
485 uo_field_int (uiout
, fldno
, width
, align
, fldname
, value
);
489 ui_out_field_fmt_int (struct ui_out
*uiout
,
491 enum ui_align input_align
,
498 struct ui_out_level
*current
= current_level (uiout
);
500 verify_field (uiout
, &fldno
, &width
, &align
);
502 uo_field_int (uiout
, fldno
, input_width
, input_align
, fldname
, value
);
506 ui_out_field_core_addr (struct ui_out
*uiout
,
512 /* FIXME: cagney/2002-05-03: Need local_address_string() function
513 that returns the language localized string formatted to a width
514 based on TARGET_ADDR_BIT. */
515 /* print_address_numeric (address, 1, local_stream); */
516 if (TARGET_ADDR_BIT
<= 32)
517 strcpy (addstr
, local_hex_string_custom (address
, "08l"));
519 strcpy (addstr
, local_hex_string_custom (address
, "016l"));
521 ui_out_field_string (uiout
, fldname
, addstr
);
525 ui_out_field_stream (struct ui_out
*uiout
,
527 struct ui_stream
*buf
)
530 char *buffer
= ui_file_xstrdup (buf
->stream
, &length
);
531 struct cleanup
*old_cleanup
= make_cleanup (xfree
, buffer
);
533 ui_out_field_string (uiout
, fldname
, buffer
);
535 ui_out_field_skip (uiout
, fldname
);
536 ui_file_rewind (buf
->stream
);
537 do_cleanups (old_cleanup
);
540 /* used to ommit a field */
543 ui_out_field_skip (struct ui_out
*uiout
,
550 verify_field (uiout
, &fldno
, &width
, &align
);
552 uo_field_skip (uiout
, fldno
, width
, align
, fldname
);
556 ui_out_field_string (struct ui_out
*uiout
,
564 verify_field (uiout
, &fldno
, &width
, &align
);
566 uo_field_string (uiout
, fldno
, width
, align
, fldname
, string
);
571 ui_out_field_fmt (struct ui_out
*uiout
,
573 const char *format
, ...)
580 /* will not align, but has to call anyway */
581 verify_field (uiout
, &fldno
, &width
, &align
);
583 va_start (args
, format
);
585 uo_field_fmt (uiout
, fldno
, width
, align
, fldname
, format
, args
);
591 ui_out_spaces (struct ui_out
*uiout
, int numspaces
)
593 uo_spaces (uiout
, numspaces
);
597 ui_out_text (struct ui_out
*uiout
,
600 uo_text (uiout
, string
);
604 ui_out_message (struct ui_out
*uiout
, int verbosity
,
605 const char *format
,...)
609 va_start (args
, format
);
611 uo_message (uiout
, verbosity
, format
, args
);
617 ui_out_stream_new (struct ui_out
*uiout
)
619 struct ui_stream
*tempbuf
;
621 tempbuf
= XMALLOC (struct ui_stream
);
622 tempbuf
->uiout
= uiout
;
623 tempbuf
->stream
= mem_fileopen ();
628 ui_out_stream_delete (struct ui_stream
*buf
)
630 ui_file_delete (buf
->stream
);
635 do_stream_delete (void *buf
)
637 ui_out_stream_delete (buf
);
641 make_cleanup_ui_out_stream_delete (struct ui_stream
*buf
)
643 return make_cleanup (do_stream_delete
, buf
);
648 ui_out_wrap_hint (struct ui_out
*uiout
, char *identstring
)
650 uo_wrap_hint (uiout
, identstring
);
654 ui_out_flush (struct ui_out
*uiout
)
659 /* set the flags specified by the mask given */
661 ui_out_set_flags (struct ui_out
*uiout
, int mask
)
663 int oldflags
= uiout
->flags
;
665 uiout
->flags
|= mask
;
670 /* clear the flags specified by the mask given */
672 ui_out_clear_flags (struct ui_out
*uiout
, int mask
)
674 int oldflags
= uiout
->flags
;
676 uiout
->flags
&= ~mask
;
681 /* test the flags against the mask given */
683 ui_out_test_flags (struct ui_out
*uiout
, int mask
)
685 return (uiout
->flags
& mask
);
688 /* obtain the current verbosity level (as stablished by the
689 'set verbositylevel' command */
692 ui_out_get_verblvl (struct ui_out
*uiout
)
694 /* FIXME: not implemented yet */
700 ui_out_result_begin (struct ui_out
*uiout
, char *class)
705 ui_out_result_end (struct ui_out
*uiout
)
710 ui_out_info_begin (struct ui_out
*uiout
, char *class)
715 ui_out_info_end (struct ui_out
*uiout
)
720 ui_out_notify_begin (struct ui_out
*uiout
, char *class)
725 ui_out_notify_end (struct ui_out
*uiout
)
730 ui_out_error_begin (struct ui_out
*uiout
, char *class)
735 ui_out_error_end (struct ui_out
*uiout
)
742 gdb_error (ui_out
* uiout
, int severity
, char *format
,...)
748 gdb_query (struct ui_out
*uiout
, int qflags
, char *qprompt
)
754 ui_out_is_mi_like_p (struct ui_out
*uiout
)
756 return uiout
->impl
->is_mi_like_p
;
759 /* default gdb-out hook functions */
762 default_table_begin (struct ui_out
*uiout
, int nbrofcols
,
769 default_table_body (struct ui_out
*uiout
)
774 default_table_end (struct ui_out
*uiout
)
779 default_table_header (struct ui_out
*uiout
, int width
, enum ui_align alignment
,
780 const char *col_name
,
786 default_begin (struct ui_out
*uiout
,
787 enum ui_out_type type
,
794 default_end (struct ui_out
*uiout
,
795 enum ui_out_type type
,
801 default_field_int (struct ui_out
*uiout
, int fldno
, int width
,
803 const char *fldname
, int value
)
808 default_field_skip (struct ui_out
*uiout
, int fldno
, int width
,
809 enum ui_align align
, const char *fldname
)
814 default_field_string (struct ui_out
*uiout
,
824 default_field_fmt (struct ui_out
*uiout
, int fldno
, int width
,
833 default_spaces (struct ui_out
*uiout
, int numspaces
)
838 default_text (struct ui_out
*uiout
, const char *string
)
843 default_message (struct ui_out
*uiout
, int verbosity
,
850 default_wrap_hint (struct ui_out
*uiout
, char *identstring
)
855 default_flush (struct ui_out
*uiout
)
859 /* Interface to the implementation functions */
862 uo_table_begin (struct ui_out
*uiout
, int nbrofcols
,
866 if (!uiout
->impl
->table_begin
)
868 uiout
->impl
->table_begin (uiout
, nbrofcols
, nr_rows
, tblid
);
872 uo_table_body (struct ui_out
*uiout
)
874 if (!uiout
->impl
->table_body
)
876 uiout
->impl
->table_body (uiout
);
880 uo_table_end (struct ui_out
*uiout
)
882 if (!uiout
->impl
->table_end
)
884 uiout
->impl
->table_end (uiout
);
888 uo_table_header (struct ui_out
*uiout
, int width
, enum ui_align align
,
889 const char *col_name
,
892 if (!uiout
->impl
->table_header
)
894 uiout
->impl
->table_header (uiout
, width
, align
, col_name
, colhdr
);
898 uo_begin (struct ui_out
*uiout
,
899 enum ui_out_type type
,
903 if (uiout
->impl
->begin
== NULL
)
905 uiout
->impl
->begin (uiout
, type
, level
, id
);
909 uo_end (struct ui_out
*uiout
,
910 enum ui_out_type type
,
913 if (uiout
->impl
->end
== NULL
)
915 uiout
->impl
->end (uiout
, type
, level
);
919 uo_field_int (struct ui_out
*uiout
, int fldno
, int width
, enum ui_align align
,
923 if (!uiout
->impl
->field_int
)
925 uiout
->impl
->field_int (uiout
, fldno
, width
, align
, fldname
, value
);
929 uo_field_skip (struct ui_out
*uiout
, int fldno
, int width
, enum ui_align align
,
932 if (!uiout
->impl
->field_skip
)
934 uiout
->impl
->field_skip (uiout
, fldno
, width
, align
, fldname
);
938 uo_field_string (struct ui_out
*uiout
, int fldno
, int width
,
943 if (!uiout
->impl
->field_string
)
945 uiout
->impl
->field_string (uiout
, fldno
, width
, align
, fldname
, string
);
949 uo_field_fmt (struct ui_out
*uiout
, int fldno
, int width
, enum ui_align align
,
954 if (!uiout
->impl
->field_fmt
)
956 uiout
->impl
->field_fmt (uiout
, fldno
, width
, align
, fldname
, format
, args
);
960 uo_spaces (struct ui_out
*uiout
, int numspaces
)
962 if (!uiout
->impl
->spaces
)
964 uiout
->impl
->spaces (uiout
, numspaces
);
968 uo_text (struct ui_out
*uiout
,
971 if (!uiout
->impl
->text
)
973 uiout
->impl
->text (uiout
, string
);
977 uo_message (struct ui_out
*uiout
, int verbosity
,
981 if (!uiout
->impl
->message
)
983 uiout
->impl
->message (uiout
, verbosity
, format
, args
);
987 uo_wrap_hint (struct ui_out
*uiout
, char *identstring
)
989 if (!uiout
->impl
->wrap_hint
)
991 uiout
->impl
->wrap_hint (uiout
, identstring
);
995 uo_flush (struct ui_out
*uiout
)
997 if (!uiout
->impl
->flush
)
999 uiout
->impl
->flush (uiout
);
1002 /* local functions */
1004 /* list of column headers manipulation routines */
1007 clear_header_list (struct ui_out
*uiout
)
1009 while (uiout
->table
.header_first
!= NULL
)
1011 uiout
->table
.header_next
= uiout
->table
.header_first
;
1012 uiout
->table
.header_first
= uiout
->table
.header_first
->next
;
1013 if (uiout
->table
.header_next
->colhdr
!= NULL
)
1014 xfree (uiout
->table
.header_next
->colhdr
);
1015 xfree (uiout
->table
.header_next
);
1017 gdb_assert (uiout
->table
.header_first
== NULL
);
1018 uiout
->table
.header_last
= NULL
;
1019 uiout
->table
.header_next
= NULL
;
1023 append_header_to_list (struct ui_out
*uiout
,
1026 const char *col_name
,
1029 struct ui_out_hdr
*temphdr
;
1031 temphdr
= XMALLOC (struct ui_out_hdr
);
1032 temphdr
->width
= width
;
1033 temphdr
->alignment
= alignment
;
1034 /* we have to copy the column title as the original may be an automatic */
1036 temphdr
->colhdr
= xstrdup (colhdr
);
1038 temphdr
->colhdr
= NULL
;
1039 if (col_name
!= NULL
)
1040 temphdr
->col_name
= xstrdup (colhdr
);
1042 temphdr
->col_name
= xstrdup (colhdr
);
1043 temphdr
->next
= NULL
;
1044 if (uiout
->table
.header_first
== NULL
)
1047 uiout
->table
.header_first
= temphdr
;
1048 uiout
->table
.header_last
= temphdr
;
1052 temphdr
->colno
= uiout
->table
.header_last
->colno
+ 1;
1053 uiout
->table
.header_last
->next
= temphdr
;
1054 uiout
->table
.header_last
= temphdr
;
1056 uiout
->table
.header_next
= uiout
->table
.header_last
;
1059 /* Extract the format information for the NEXT header and and advance
1060 the header pointer. Return 0 if there was no next header. */
1063 get_next_header (struct ui_out
*uiout
,
1069 /* There may be no headers at all or we may have used all columns. */
1070 if (uiout
->table
.header_next
== NULL
)
1072 *colno
= uiout
->table
.header_next
->colno
;
1073 *width
= uiout
->table
.header_next
->width
;
1074 *alignment
= uiout
->table
.header_next
->alignment
;
1075 *colhdr
= uiout
->table
.header_next
->colhdr
;
1076 /* Advance the header pointer to the next entry. */
1077 uiout
->table
.header_next
= uiout
->table
.header_next
->next
;
1082 /* Verify that the field/tuple/list is correctly positioned. Return
1083 the field number and corresponding alignment (if
1084 available/applicable). */
1087 verify_field (struct ui_out
*uiout
, int *fldno
, int *width
, int *align
)
1089 struct ui_out_level
*current
= current_level (uiout
);
1092 if (uiout
->table
.flag
)
1094 if (!uiout
->table
.body_flag
)
1095 internal_error (__FILE__
, __LINE__
,
1096 "table_body missing; table fields must be \
1097 specified after table_body and inside a list.");
1098 /* NOTE: cagney/2001-12-08: There was a check here to ensure
1099 that this code was only executed when uiout->level was
1100 greater than zero. That no longer applies - this code is run
1101 before each table row tuple is started and at that point the
1105 current
->field_count
+= 1;
1107 if (uiout
->table
.body_flag
1108 && uiout
->table
.entry_level
== uiout
->level
1109 && get_next_header (uiout
, fldno
, width
, align
, &text
))
1111 if (*fldno
!= current
->field_count
)
1112 internal_error (__FILE__
, __LINE__
,
1113 "ui-out internal error in handling headers.");
1118 *align
= ui_noalign
;
1119 *fldno
= current
->field_count
;
1124 /* access to ui_out format private members */
1127 ui_out_get_field_separator (struct ui_out
*uiout
)
1131 /* Access to ui-out members data */
1133 struct ui_out_data
*
1134 ui_out_data (struct ui_out
*uiout
)
1139 /* initalize private members at startup */
1142 ui_out_new (struct ui_out_impl
*impl
,
1143 struct ui_out_data
*data
,
1146 struct ui_out
*uiout
= XMALLOC (struct ui_out
);
1149 uiout
->flags
= flags
;
1150 uiout
->table
.flag
= 0;
1151 uiout
->table
.body_flag
= 0;
1153 memset (uiout
->levels
, 0, sizeof (uiout
->levels
));
1154 uiout
->table
.header_first
= NULL
;
1155 uiout
->table
.header_last
= NULL
;
1156 uiout
->table
.header_next
= NULL
;
1160 /* standard gdb initialization hook */
1163 _initialize_ui_out (void)
1165 /* nothing needs to be done */