1 /* Output generating routines for GDB.
3 Copyright (C) 1999-2016 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 3 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, see <http://www.gnu.org/licenses/>. */
24 #include "expression.h" /* For language.h */
28 /* table header structures */
34 enum ui_align alignment
;
37 struct ui_out_hdr
*next
;
42 /* Count each field; the first element is for non-list fields. */
44 /* The type of this level. */
45 enum ui_out_type type
;
48 /* Define uiout->level vector types and operations. */
49 typedef struct ui_out_level
*ui_out_level_p
;
50 DEF_VEC_P (ui_out_level_p
);
52 /* Tables are special. Maintain a separate structure that tracks
53 their state. At present an output can only contain a single table
54 but that restriction might eventually be lifted. */
58 /* If on, a table is being generated. */
61 /* If on, the body of a table is being generated. If off, the table
62 header is being generated. */
65 /* The level at which each entry of the table is to be found. A row
66 (a tuple) is made up of entries. Consequently ENTRY_LEVEL is one
67 above that of the table. */
70 /* Number of table columns (as specified in the table_begin call). */
73 /* String identifying the table (as specified in the table_begin
77 /* Points to the first table header (if any). */
78 struct ui_out_hdr
*header_first
;
80 /* Points to the last table header (if any). */
81 struct ui_out_hdr
*header_last
;
83 /* Points to header of NEXT column to format. */
84 struct ui_out_hdr
*header_next
;
89 /* The ui_out structure */
90 /* Any change here requires a corresponding one in the initialization
91 of the default uiout, which is statically initialized. */
96 /* Specific implementation of ui-out. */
97 const struct ui_out_impl
*impl
;
103 /* Vector to store and track the ui-out levels. */
104 VEC (ui_out_level_p
) *levels
;
106 /* A table, if any. At present only a single table is supported. */
107 struct ui_out_table table
;
110 /* The current (inner most) level. */
111 static struct ui_out_level
*
112 current_level (struct ui_out
*uiout
)
114 return VEC_index (ui_out_level_p
, uiout
->levels
, uiout
->level
);
117 /* Create a new level, of TYPE. Return the new level's index. */
119 push_level (struct ui_out
*uiout
,
120 enum ui_out_type type
,
123 struct ui_out_level
*current
;
126 current
= XNEW (struct ui_out_level
);
127 current
->field_count
= 0;
128 current
->type
= type
;
129 VEC_safe_push (ui_out_level_p
, uiout
->levels
, current
);
133 /* Discard the current level, return the discarded level's index.
134 TYPE is the type of the level being discarded. */
136 pop_level (struct ui_out
*uiout
,
137 enum ui_out_type type
)
139 struct ui_out_level
*current
;
141 /* We had better not underflow the buffer. */
142 gdb_assert (uiout
->level
> 0);
143 gdb_assert (current_level (uiout
)->type
== type
);
144 current
= VEC_pop (ui_out_level_p
, uiout
->levels
);
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
,
181 va_list args
) ATTRIBUTE_PRINTF (6, 0);
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
,
186 va_list args
) ATTRIBUTE_PRINTF (3, 0);
187 static void default_wrap_hint (struct ui_out
*uiout
, char *identstring
);
188 static void default_flush (struct ui_out
*uiout
);
189 static void default_data_destroy (struct ui_out
*uiout
);
191 /* This is the default ui-out implementation functions vector. */
193 const struct ui_out_impl default_ui_out_impl
=
198 default_table_header
,
203 default_field_string
,
211 default_data_destroy
,
212 0, /* Does not need MI hacks. */
215 /* The default ui_out */
217 struct ui_out def_uiout
=
220 &default_ui_out_impl
, /* impl */
223 /* Pointer to current ui_out */
224 /* FIXME: This should not be a global, but something passed down from main.c
227 struct ui_out
*current_uiout
= &def_uiout
;
229 /* These are the interfaces to implementation functions. */
231 static void uo_table_begin (struct ui_out
*uiout
, int nbrofcols
,
232 int nr_rows
, const char *tblid
);
233 static void uo_table_body (struct ui_out
*uiout
);
234 static void uo_table_end (struct ui_out
*uiout
);
235 static void uo_table_header (struct ui_out
*uiout
, int width
,
236 enum ui_align align
, const char *col_name
,
238 static void uo_begin (struct ui_out
*uiout
,
239 enum ui_out_type type
,
240 int level
, const char *id
);
241 static void uo_end (struct ui_out
*uiout
,
242 enum ui_out_type type
,
244 static void uo_field_int (struct ui_out
*uiout
, int fldno
, int width
,
245 enum ui_align align
, const char *fldname
, int value
);
246 static void uo_field_skip (struct ui_out
*uiout
, int fldno
, int width
,
247 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 ATTRIBUTE_PRINTF (6, 0);
252 static void uo_spaces (struct ui_out
*uiout
, int numspaces
);
253 static void uo_text (struct ui_out
*uiout
, const char *string
);
254 static void uo_message (struct ui_out
*uiout
, int verbosity
,
255 const char *format
, va_list args
)
256 ATTRIBUTE_PRINTF (3, 0);
257 static void uo_wrap_hint (struct ui_out
*uiout
, char *identstring
);
258 static void uo_flush (struct ui_out
*uiout
);
259 static int uo_redirect (struct ui_out
*uiout
, struct ui_file
*outstream
);
260 static void uo_data_destroy (struct ui_out
*uiout
);
262 /* Prototypes for local functions */
264 extern void _initialize_ui_out (void);
265 static void append_header_to_list (struct ui_out
*uiout
, int width
,
266 enum ui_align alignment
, const char *col_name
,
268 static int get_next_header (struct ui_out
*uiout
, int *colno
, int *width
,
269 enum ui_align
*alignment
, char **colhdr
);
270 static void clear_header_list (struct ui_out
*uiout
);
271 static void clear_table (struct ui_out
*uiout
);
272 static void verify_field (struct ui_out
*uiout
, int *fldno
, int *width
,
273 enum ui_align
*align
);
275 /* exported functions (ui_out API) */
277 /* Mark beginning of a table. */
280 ui_out_table_begin (struct ui_out
*uiout
, int nbrofcols
,
284 if (uiout
->table
.flag
)
285 internal_error (__FILE__
, __LINE__
,
286 _("tables cannot be nested; table_begin found before \
287 previous table_end."));
289 uiout
->table
.flag
= 1;
290 uiout
->table
.body_flag
= 0;
291 uiout
->table
.entry_level
= uiout
->level
+ 1;
292 uiout
->table
.columns
= nbrofcols
;
294 uiout
->table
.id
= xstrdup (tblid
);
296 uiout
->table
.id
= NULL
;
297 clear_header_list (uiout
);
299 uo_table_begin (uiout
, nbrofcols
, nr_rows
, uiout
->table
.id
);
303 ui_out_table_body (struct ui_out
*uiout
)
305 if (!uiout
->table
.flag
)
306 internal_error (__FILE__
, __LINE__
,
307 _("table_body outside a table is not valid; it must be \
308 after a table_begin and before a table_end."));
309 if (uiout
->table
.body_flag
)
310 internal_error (__FILE__
, __LINE__
,
311 _("extra table_body call not allowed; there must be \
312 only one table_body after a table_begin and before a table_end."));
313 if (uiout
->table
.header_next
->colno
!= uiout
->table
.columns
)
314 internal_error (__FILE__
, __LINE__
,
315 _("number of headers differ from number of table \
318 uiout
->table
.body_flag
= 1;
319 uiout
->table
.header_next
= uiout
->table
.header_first
;
321 uo_table_body (uiout
);
325 ui_out_table_end (struct ui_out
*uiout
)
327 if (!uiout
->table
.flag
)
328 internal_error (__FILE__
, __LINE__
,
329 _("misplaced table_end or missing table_begin."));
331 uiout
->table
.entry_level
= 0;
332 uiout
->table
.body_flag
= 0;
333 uiout
->table
.flag
= 0;
335 uo_table_end (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 do_cleanup_table_end (void *data
)
357 struct ui_out
*ui_out
= (struct ui_out
*) data
;
359 ui_out_table_end (ui_out
);
363 make_cleanup_ui_out_table_begin_end (struct ui_out
*ui_out
, int nr_cols
,
364 int nr_rows
, const char *tblid
)
366 ui_out_table_begin (ui_out
, nr_cols
, nr_rows
, tblid
);
367 return make_cleanup (do_cleanup_table_end
, ui_out
);
371 ui_out_begin (struct ui_out
*uiout
,
372 enum ui_out_type type
,
377 if (uiout
->table
.flag
&& !uiout
->table
.body_flag
)
378 internal_error (__FILE__
, __LINE__
,
379 _("table header or table_body expected; lists must be \
380 specified after table_body."));
382 /* Be careful to verify the ``field'' before the new tuple/list is
383 pushed onto the stack. That way the containing list/table/row is
384 verified and not the newly created tuple/list. This verification
385 is needed (at least) for the case where a table row entry
386 contains either a tuple/list. For that case bookkeeping such as
387 updating the column count or advancing to the next heading still
388 needs to be performed. */
394 verify_field (uiout
, &fldno
, &width
, &align
);
397 new_level
= push_level (uiout
, type
, id
);
399 /* If the push puts us at the same level as a table row entry, we've
400 got a new table row. Put the header pointer back to the start. */
401 if (uiout
->table
.body_flag
402 && uiout
->table
.entry_level
== new_level
)
403 uiout
->table
.header_next
= uiout
->table
.header_first
;
405 uo_begin (uiout
, type
, new_level
, id
);
409 ui_out_end (struct ui_out
*uiout
,
410 enum ui_out_type type
)
412 int old_level
= pop_level (uiout
, type
);
414 uo_end (uiout
, type
, old_level
);
417 struct ui_out_end_cleanup_data
419 struct ui_out
*uiout
;
420 enum ui_out_type type
;
424 do_cleanup_end (void *data
)
426 struct ui_out_end_cleanup_data
*end_cleanup_data
427 = (struct ui_out_end_cleanup_data
*) data
;
429 ui_out_end (end_cleanup_data
->uiout
, end_cleanup_data
->type
);
430 xfree (end_cleanup_data
);
433 static struct cleanup
*
434 make_cleanup_ui_out_end (struct ui_out
*uiout
,
435 enum ui_out_type type
)
437 struct ui_out_end_cleanup_data
*end_cleanup_data
;
439 end_cleanup_data
= XNEW (struct ui_out_end_cleanup_data
);
440 end_cleanup_data
->uiout
= uiout
;
441 end_cleanup_data
->type
= type
;
442 return make_cleanup (do_cleanup_end
, end_cleanup_data
);
446 make_cleanup_ui_out_tuple_begin_end (struct ui_out
*uiout
,
449 ui_out_begin (uiout
, ui_out_type_tuple
, id
);
450 return make_cleanup_ui_out_end (uiout
, ui_out_type_tuple
);
454 make_cleanup_ui_out_list_begin_end (struct ui_out
*uiout
,
457 ui_out_begin (uiout
, ui_out_type_list
, id
);
458 return make_cleanup_ui_out_end (uiout
, ui_out_type_list
);
462 ui_out_field_int (struct ui_out
*uiout
,
470 verify_field (uiout
, &fldno
, &width
, &align
);
472 uo_field_int (uiout
, fldno
, width
, align
, fldname
, value
);
476 ui_out_field_fmt_int (struct ui_out
*uiout
,
478 enum ui_align input_align
,
486 verify_field (uiout
, &fldno
, &width
, &align
);
488 uo_field_int (uiout
, fldno
, input_width
, input_align
, fldname
, value
);
491 /* Documented in ui-out.h. */
494 ui_out_field_core_addr (struct ui_out
*uiout
,
496 struct gdbarch
*gdbarch
,
499 ui_out_field_string (uiout
, fldname
,
500 print_core_address (gdbarch
, address
));
504 ui_out_field_stream (struct ui_out
*uiout
,
506 struct ui_file
*stream
)
509 char *buffer
= ui_file_xstrdup (stream
, &length
);
510 struct cleanup
*old_cleanup
= make_cleanup (xfree
, buffer
);
513 ui_out_field_string (uiout
, fldname
, buffer
);
515 ui_out_field_skip (uiout
, fldname
);
516 ui_file_rewind (stream
);
517 do_cleanups (old_cleanup
);
520 /* Used to omit a field. */
523 ui_out_field_skip (struct ui_out
*uiout
,
530 verify_field (uiout
, &fldno
, &width
, &align
);
532 uo_field_skip (uiout
, fldno
, width
, align
, fldname
);
536 ui_out_field_string (struct ui_out
*uiout
,
544 verify_field (uiout
, &fldno
, &width
, &align
);
546 uo_field_string (uiout
, fldno
, width
, align
, fldname
, string
);
551 ui_out_field_fmt (struct ui_out
*uiout
,
553 const char *format
, ...)
560 /* Will not align, but has to call anyway. */
561 verify_field (uiout
, &fldno
, &width
, &align
);
563 va_start (args
, format
);
565 uo_field_fmt (uiout
, fldno
, width
, align
, fldname
, format
, args
);
571 ui_out_spaces (struct ui_out
*uiout
, int numspaces
)
573 uo_spaces (uiout
, numspaces
);
577 ui_out_text (struct ui_out
*uiout
,
580 uo_text (uiout
, string
);
584 ui_out_message (struct ui_out
*uiout
, int verbosity
,
585 const char *format
,...)
589 va_start (args
, format
);
590 uo_message (uiout
, verbosity
, format
, args
);
595 ui_out_wrap_hint (struct ui_out
*uiout
, char *identstring
)
597 uo_wrap_hint (uiout
, identstring
);
601 ui_out_flush (struct ui_out
*uiout
)
607 ui_out_redirect (struct ui_out
*uiout
, struct ui_file
*outstream
)
609 return uo_redirect (uiout
, outstream
);
612 /* Set the flags specified by the mask given. */
614 ui_out_set_flags (struct ui_out
*uiout
, int mask
)
616 int oldflags
= uiout
->flags
;
618 uiout
->flags
|= mask
;
622 /* Clear the flags specified by the mask given. */
624 ui_out_clear_flags (struct ui_out
*uiout
, int mask
)
626 int oldflags
= uiout
->flags
;
628 uiout
->flags
&= ~mask
;
632 /* Test the flags against the mask given. */
634 ui_out_test_flags (struct ui_out
*uiout
, int mask
)
636 return (uiout
->flags
& mask
);
639 /* Obtain the current verbosity level (as stablished by the
640 'set verbositylevel' command. */
643 ui_out_get_verblvl (struct ui_out
*uiout
)
645 /* FIXME: not implemented yet. */
650 ui_out_is_mi_like_p (struct ui_out
*uiout
)
652 return uiout
->impl
->is_mi_like_p
;
655 /* Default gdb-out hook functions. */
658 default_table_begin (struct ui_out
*uiout
, int nbrofcols
,
665 default_table_body (struct ui_out
*uiout
)
670 default_table_end (struct ui_out
*uiout
)
675 default_table_header (struct ui_out
*uiout
, int width
, enum ui_align alignment
,
676 const char *col_name
,
682 default_begin (struct ui_out
*uiout
,
683 enum ui_out_type type
,
690 default_end (struct ui_out
*uiout
,
691 enum ui_out_type type
,
697 default_field_int (struct ui_out
*uiout
, int fldno
, int width
,
699 const char *fldname
, int value
)
704 default_field_skip (struct ui_out
*uiout
, int fldno
, int width
,
705 enum ui_align align
, const char *fldname
)
710 default_field_string (struct ui_out
*uiout
,
720 default_field_fmt (struct ui_out
*uiout
, int fldno
, int width
,
729 default_spaces (struct ui_out
*uiout
, int numspaces
)
734 default_text (struct ui_out
*uiout
, const char *string
)
739 default_message (struct ui_out
*uiout
, int verbosity
,
746 default_wrap_hint (struct ui_out
*uiout
, char *identstring
)
751 default_flush (struct ui_out
*uiout
)
756 default_data_destroy (struct ui_out
*uiout
)
760 /* Interface to the implementation functions. */
763 uo_table_begin (struct ui_out
*uiout
, int nbrofcols
,
767 if (!uiout
->impl
->table_begin
)
769 uiout
->impl
->table_begin (uiout
, nbrofcols
, nr_rows
, tblid
);
773 uo_table_body (struct ui_out
*uiout
)
775 if (!uiout
->impl
->table_body
)
777 uiout
->impl
->table_body (uiout
);
781 uo_table_end (struct ui_out
*uiout
)
783 if (!uiout
->impl
->table_end
)
785 uiout
->impl
->table_end (uiout
);
789 uo_table_header (struct ui_out
*uiout
, int width
, enum ui_align align
,
790 const char *col_name
,
793 if (!uiout
->impl
->table_header
)
795 uiout
->impl
->table_header (uiout
, width
, align
, col_name
, colhdr
);
798 /* Clear the table associated with UIOUT. */
801 clear_table (struct ui_out
*uiout
)
803 xfree (uiout
->table
.id
);
804 uiout
->table
.id
= NULL
;
805 clear_header_list (uiout
);
809 uo_begin (struct ui_out
*uiout
,
810 enum ui_out_type type
,
814 if (uiout
->impl
->begin
== NULL
)
816 uiout
->impl
->begin (uiout
, type
, level
, id
);
820 uo_end (struct ui_out
*uiout
,
821 enum ui_out_type type
,
824 if (uiout
->impl
->end
== NULL
)
826 uiout
->impl
->end (uiout
, type
, level
);
830 uo_field_int (struct ui_out
*uiout
, int fldno
, int width
, enum ui_align align
,
834 if (!uiout
->impl
->field_int
)
836 uiout
->impl
->field_int (uiout
, fldno
, width
, align
, fldname
, value
);
840 uo_field_skip (struct ui_out
*uiout
, int fldno
, int width
, enum ui_align align
,
843 if (!uiout
->impl
->field_skip
)
845 uiout
->impl
->field_skip (uiout
, fldno
, width
, align
, fldname
);
849 uo_field_string (struct ui_out
*uiout
, int fldno
, int width
,
854 if (!uiout
->impl
->field_string
)
856 uiout
->impl
->field_string (uiout
, fldno
, width
, align
, fldname
, string
);
860 uo_field_fmt (struct ui_out
*uiout
, int fldno
, int width
, enum ui_align align
,
865 if (!uiout
->impl
->field_fmt
)
867 uiout
->impl
->field_fmt (uiout
, fldno
, width
, align
, fldname
, format
, args
);
871 uo_spaces (struct ui_out
*uiout
, int numspaces
)
873 if (!uiout
->impl
->spaces
)
875 uiout
->impl
->spaces (uiout
, numspaces
);
879 uo_text (struct ui_out
*uiout
,
882 if (!uiout
->impl
->text
)
884 uiout
->impl
->text (uiout
, string
);
888 uo_message (struct ui_out
*uiout
, int verbosity
,
892 if (!uiout
->impl
->message
)
894 uiout
->impl
->message (uiout
, verbosity
, format
, args
);
898 uo_wrap_hint (struct ui_out
*uiout
, char *identstring
)
900 if (!uiout
->impl
->wrap_hint
)
902 uiout
->impl
->wrap_hint (uiout
, identstring
);
906 uo_flush (struct ui_out
*uiout
)
908 if (!uiout
->impl
->flush
)
910 uiout
->impl
->flush (uiout
);
914 uo_redirect (struct ui_out
*uiout
, struct ui_file
*outstream
)
916 if (!uiout
->impl
->redirect
)
918 uiout
->impl
->redirect (uiout
, outstream
);
923 uo_data_destroy (struct ui_out
*uiout
)
925 if (!uiout
->impl
->data_destroy
)
928 uiout
->impl
->data_destroy (uiout
);
931 /* local functions */
933 /* List of column headers manipulation routines. */
936 clear_header_list (struct ui_out
*uiout
)
938 while (uiout
->table
.header_first
!= NULL
)
940 uiout
->table
.header_next
= uiout
->table
.header_first
;
941 uiout
->table
.header_first
= uiout
->table
.header_first
->next
;
942 xfree (uiout
->table
.header_next
->colhdr
);
943 xfree (uiout
->table
.header_next
->col_name
);
944 xfree (uiout
->table
.header_next
);
946 gdb_assert (uiout
->table
.header_first
== NULL
);
947 uiout
->table
.header_last
= NULL
;
948 uiout
->table
.header_next
= NULL
;
952 append_header_to_list (struct ui_out
*uiout
,
954 enum ui_align alignment
,
955 const char *col_name
,
958 struct ui_out_hdr
*temphdr
;
960 temphdr
= XNEW (struct ui_out_hdr
);
961 temphdr
->width
= width
;
962 temphdr
->alignment
= alignment
;
963 /* We have to copy the column title as the original may be an
966 temphdr
->colhdr
= xstrdup (colhdr
);
968 temphdr
->colhdr
= NULL
;
970 if (col_name
!= NULL
)
971 temphdr
->col_name
= xstrdup (col_name
);
972 else if (colhdr
!= NULL
)
973 temphdr
->col_name
= xstrdup (colhdr
);
975 temphdr
->col_name
= NULL
;
977 temphdr
->next
= NULL
;
978 if (uiout
->table
.header_first
== NULL
)
981 uiout
->table
.header_first
= temphdr
;
982 uiout
->table
.header_last
= temphdr
;
986 temphdr
->colno
= uiout
->table
.header_last
->colno
+ 1;
987 uiout
->table
.header_last
->next
= temphdr
;
988 uiout
->table
.header_last
= temphdr
;
990 uiout
->table
.header_next
= uiout
->table
.header_last
;
993 /* Extract the format information for the NEXT header and advance
994 the header pointer. Return 0 if there was no next header. */
997 get_next_header (struct ui_out
*uiout
,
1000 enum ui_align
*alignment
,
1003 /* There may be no headers at all or we may have used all columns. */
1004 if (uiout
->table
.header_next
== NULL
)
1006 *colno
= uiout
->table
.header_next
->colno
;
1007 *width
= uiout
->table
.header_next
->width
;
1008 *alignment
= uiout
->table
.header_next
->alignment
;
1009 *colhdr
= uiout
->table
.header_next
->colhdr
;
1010 /* Advance the header pointer to the next entry. */
1011 uiout
->table
.header_next
= uiout
->table
.header_next
->next
;
1016 /* Verify that the field/tuple/list is correctly positioned. Return
1017 the field number and corresponding alignment (if
1018 available/applicable). */
1021 verify_field (struct ui_out
*uiout
, int *fldno
, int *width
,
1022 enum ui_align
*align
)
1024 struct ui_out_level
*current
= current_level (uiout
);
1027 if (uiout
->table
.flag
)
1029 if (!uiout
->table
.body_flag
)
1030 internal_error (__FILE__
, __LINE__
,
1031 _("table_body missing; table fields must be \
1032 specified after table_body and inside a list."));
1033 /* NOTE: cagney/2001-12-08: There was a check here to ensure
1034 that this code was only executed when uiout->level was
1035 greater than zero. That no longer applies - this code is run
1036 before each table row tuple is started and at that point the
1040 current
->field_count
+= 1;
1042 if (uiout
->table
.body_flag
1043 && uiout
->table
.entry_level
== uiout
->level
1044 && get_next_header (uiout
, fldno
, width
, align
, &text
))
1046 if (*fldno
!= current
->field_count
)
1047 internal_error (__FILE__
, __LINE__
,
1048 _("ui-out internal error in handling headers."));
1053 *align
= ui_noalign
;
1054 *fldno
= current
->field_count
;
1059 /* Access to ui-out members data. */
1062 ui_out_data (struct ui_out
*uiout
)
1067 /* Access table field parameters. */
1069 ui_out_query_field (struct ui_out
*uiout
, int colno
,
1070 int *width
, int *alignment
, char **col_name
)
1072 struct ui_out_hdr
*hdr
;
1074 if (!uiout
->table
.flag
)
1077 for (hdr
= uiout
->table
.header_first
; hdr
; hdr
= hdr
->next
)
1078 if (hdr
->colno
== colno
)
1080 *width
= hdr
->width
;
1081 *alignment
= hdr
->alignment
;
1082 *col_name
= hdr
->col_name
;
1089 /* Initalize private members at startup. */
1092 ui_out_new (const struct ui_out_impl
*impl
, void *data
,
1095 struct ui_out
*uiout
= XNEW (struct ui_out
);
1096 struct ui_out_level
*current
= XNEW (struct ui_out_level
);
1100 uiout
->flags
= flags
;
1101 uiout
->table
.flag
= 0;
1102 uiout
->table
.body_flag
= 0;
1104 uiout
->levels
= NULL
;
1106 /* Create uiout->level 0, the default level. */
1107 current
->type
= ui_out_type_tuple
;
1108 current
->field_count
= 0;
1109 VEC_safe_push (ui_out_level_p
, uiout
->levels
, current
);
1111 uiout
->table
.id
= NULL
;
1112 uiout
->table
.header_first
= NULL
;
1113 uiout
->table
.header_last
= NULL
;
1114 uiout
->table
.header_next
= NULL
;
1118 /* Free UIOUT and the memory areas it references. */
1121 ui_out_destroy (struct ui_out
*uiout
)
1124 struct ui_out_level
*current
;
1126 /* Make sure that all levels are freed in the case where levels have
1127 been pushed, but not popped before the ui_out object is
1130 VEC_iterate (ui_out_level_p
, uiout
->levels
, i
, current
);
1134 VEC_free (ui_out_level_p
, uiout
->levels
);
1135 uo_data_destroy (uiout
);
1136 clear_table (uiout
);
1140 /* Standard gdb initialization hook. */
1143 _initialize_ui_out (void)
1145 /* nothing needs to be done */