1 /* Output generating routines for GDB.
3 Copyright (C) 1999-2002, 2004-2005, 2007-2012 Free Software
6 Contributed by Cygnus Solutions.
7 Written by Fernando Nasser for Cygnus.
9 This file is part of GDB.
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>. */
25 #include "gdb_string.h"
26 #include "expression.h" /* For language.h */
29 #include "gdb_assert.h"
31 /* table header structures */
40 struct ui_out_hdr
*next
;
43 /* Maintain a stack so that the info applicable to the inner most list
44 is always available. Stack/nested level 0 is reserved for the
47 enum { MAX_UI_OUT_LEVELS
= 8 };
51 /* Count each field; the first element is for non-list fields. */
53 /* The type of this level. */
54 enum ui_out_type type
;
57 /* Tables are special. Maintain a separate structure that tracks
58 their state. At present an output can only contain a single table
59 but that restriction might eventually be lifted. */
63 /* If on, a table is being generated. */
66 /* If on, the body of a table is being generated. If off, the table
67 header is being generated. */
70 /* The level at which each entry of the table is to be found. A row
71 (a tuple) is made up of entries. Consequently ENTRY_LEVEL is one
72 above that of the table. */
75 /* Number of table columns (as specified in the table_begin call). */
78 /* String identifying the table (as specified in the table_begin
82 /* Points to the first table header (if any). */
83 struct ui_out_hdr
*header_first
;
85 /* Points to the last table header (if any). */
86 struct ui_out_hdr
*header_last
;
88 /* Points to header of NEXT column to format. */
89 struct ui_out_hdr
*header_next
;
94 /* The ui_out structure */
95 /* Any change here requires a corresponding one in the initialization
96 of the default uiout, which is statically initialized. */
101 /* Specific implementation of ui-out. */
102 struct ui_out_impl
*impl
;
105 /* Sub structure tracking the ui-out depth. */
107 struct ui_out_level levels
[MAX_UI_OUT_LEVELS
];
109 /* A table, if any. At present only a single table is supported. */
110 struct ui_out_table table
;
113 /* The current (inner most) level. */
114 static struct ui_out_level
*
115 current_level (struct ui_out
*uiout
)
117 return &uiout
->levels
[uiout
->level
];
120 /* Create a new level, of TYPE. Return the new level's index. */
122 push_level (struct ui_out
*uiout
,
123 enum ui_out_type type
,
126 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
,
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
);
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
,
210 0, /* Does not need MI hacks. */
213 /* The default ui_out */
215 struct ui_out def_uiout
=
218 &default_ui_out_impl
, /* impl */
221 /* Pointer to current ui_out */
222 /* FIXME: This should not be a global, but something passed down from main.c
225 struct ui_out
*current_uiout
= &def_uiout
;
227 /* These are the interfaces to implementation functions. */
229 static void uo_table_begin (struct ui_out
*uiout
, int nbrofcols
,
230 int nr_rows
, const char *tblid
);
231 static void uo_table_body (struct ui_out
*uiout
);
232 static void uo_table_end (struct ui_out
*uiout
);
233 static void uo_table_header (struct ui_out
*uiout
, int width
,
234 enum ui_align align
, const char *col_name
,
236 static void uo_begin (struct ui_out
*uiout
,
237 enum ui_out_type type
,
238 int level
, const char *id
);
239 static void uo_end (struct ui_out
*uiout
,
240 enum ui_out_type type
,
242 static void uo_field_int (struct ui_out
*uiout
, int fldno
, int width
,
243 enum ui_align align
, const char *fldname
, int value
);
244 static void uo_field_skip (struct ui_out
*uiout
, int fldno
, int width
,
245 enum ui_align align
, const char *fldname
);
246 static void uo_field_fmt (struct ui_out
*uiout
, int fldno
, int width
,
247 enum ui_align align
, const char *fldname
,
248 const char *format
, va_list args
)
249 ATTRIBUTE_PRINTF (6, 0);
250 static void uo_spaces (struct ui_out
*uiout
, int numspaces
);
251 static void uo_text (struct ui_out
*uiout
, const char *string
);
252 static void uo_message (struct ui_out
*uiout
, int verbosity
,
253 const char *format
, va_list args
)
254 ATTRIBUTE_PRINTF (3, 0);
255 static void uo_wrap_hint (struct ui_out
*uiout
, char *identstring
);
256 static void uo_flush (struct ui_out
*uiout
);
257 static int uo_redirect (struct ui_out
*uiout
, struct ui_file
*outstream
);
259 /* Prototypes for local functions */
261 extern void _initialize_ui_out (void);
262 static void append_header_to_list (struct ui_out
*uiout
, int width
,
263 int alignment
, const char *col_name
,
265 static int get_next_header (struct ui_out
*uiout
, int *colno
, int *width
,
266 int *alignment
, char **colhdr
);
267 static void clear_header_list (struct ui_out
*uiout
);
268 static void verify_field (struct ui_out
*uiout
, int *fldno
, int *width
,
271 /* exported functions (ui_out API) */
273 /* Mark beginning of a table. */
276 ui_out_table_begin (struct ui_out
*uiout
, int nbrofcols
,
280 if (uiout
->table
.flag
)
281 internal_error (__FILE__
, __LINE__
,
282 _("tables cannot be nested; table_begin found before \
283 previous table_end."));
285 uiout
->table
.flag
= 1;
286 uiout
->table
.body_flag
= 0;
287 uiout
->table
.entry_level
= uiout
->level
+ 1;
288 uiout
->table
.columns
= nbrofcols
;
290 uiout
->table
.id
= xstrdup (tblid
);
292 uiout
->table
.id
= NULL
;
293 clear_header_list (uiout
);
295 uo_table_begin (uiout
, nbrofcols
, nr_rows
, uiout
->table
.id
);
299 ui_out_table_body (struct ui_out
*uiout
)
301 if (!uiout
->table
.flag
)
302 internal_error (__FILE__
, __LINE__
,
303 _("table_body outside a table is not valid; it must be \
304 after a table_begin and before a table_end."));
305 if (uiout
->table
.body_flag
)
306 internal_error (__FILE__
, __LINE__
,
307 _("extra table_body call not allowed; there must be \
308 only one table_body after a table_begin and before a table_end."));
309 if (uiout
->table
.header_next
->colno
!= uiout
->table
.columns
)
310 internal_error (__FILE__
, __LINE__
,
311 _("number of headers differ from number of table \
314 uiout
->table
.body_flag
= 1;
315 uiout
->table
.header_next
= uiout
->table
.header_first
;
317 uo_table_body (uiout
);
321 ui_out_table_end (struct ui_out
*uiout
)
323 if (!uiout
->table
.flag
)
324 internal_error (__FILE__
, __LINE__
,
325 _("misplaced table_end or missing table_begin."));
327 uiout
->table
.entry_level
= 0;
328 uiout
->table
.body_flag
= 0;
329 uiout
->table
.flag
= 0;
331 uo_table_end (uiout
);
334 xfree (uiout
->table
.id
);
335 clear_header_list (uiout
);
339 ui_out_table_header (struct ui_out
*uiout
, int width
, enum ui_align alignment
,
340 const char *col_name
,
343 if (!uiout
->table
.flag
|| uiout
->table
.body_flag
)
344 internal_error (__FILE__
, __LINE__
,
345 _("table header must be specified after table_begin \
346 and before table_body."));
348 append_header_to_list (uiout
, width
, alignment
, col_name
, colhdr
);
350 uo_table_header (uiout
, width
, alignment
, col_name
, colhdr
);
354 do_cleanup_table_end (void *data
)
356 struct ui_out
*ui_out
= data
;
358 ui_out_table_end (ui_out
);
362 make_cleanup_ui_out_table_begin_end (struct ui_out
*ui_out
, int nr_cols
,
363 int nr_rows
, const char *tblid
)
365 ui_out_table_begin (ui_out
, nr_cols
, nr_rows
, tblid
);
366 return make_cleanup (do_cleanup_table_end
, ui_out
);
370 ui_out_begin (struct ui_out
*uiout
,
371 enum ui_out_type type
,
376 if (uiout
->table
.flag
&& !uiout
->table
.body_flag
)
377 internal_error (__FILE__
, __LINE__
,
378 _("table header or table_body expected; lists must be \
379 specified after table_body."));
381 /* Be careful to verify the ``field'' before the new tuple/list is
382 pushed onto the stack. That way the containing list/table/row is
383 verified and not the newly created tuple/list. This verification
384 is needed (at least) for the case where a table row entry
385 contains either a tuple/list. For that case bookkeeping such as
386 updating the column count or advancing to the next heading still
387 needs to be performed. */
393 verify_field (uiout
, &fldno
, &width
, &align
);
396 new_level
= push_level (uiout
, type
, id
);
398 /* If the push puts us at the same level as a table row entry, we've
399 got a new table row. Put the header pointer back to the start. */
400 if (uiout
->table
.body_flag
401 && uiout
->table
.entry_level
== new_level
)
402 uiout
->table
.header_next
= uiout
->table
.header_first
;
404 uo_begin (uiout
, type
, new_level
, id
);
408 ui_out_end (struct ui_out
*uiout
,
409 enum ui_out_type type
)
411 int old_level
= pop_level (uiout
, type
);
413 uo_end (uiout
, type
, old_level
);
416 struct ui_out_end_cleanup_data
418 struct ui_out
*uiout
;
419 enum ui_out_type type
;
423 do_cleanup_end (void *data
)
425 struct ui_out_end_cleanup_data
*end_cleanup_data
= data
;
427 ui_out_end (end_cleanup_data
->uiout
, end_cleanup_data
->type
);
428 xfree (end_cleanup_data
);
431 static struct cleanup
*
432 make_cleanup_ui_out_end (struct ui_out
*uiout
,
433 enum ui_out_type type
)
435 struct ui_out_end_cleanup_data
*end_cleanup_data
;
437 end_cleanup_data
= XMALLOC (struct ui_out_end_cleanup_data
);
438 end_cleanup_data
->uiout
= uiout
;
439 end_cleanup_data
->type
= type
;
440 return make_cleanup (do_cleanup_end
, end_cleanup_data
);
444 make_cleanup_ui_out_tuple_begin_end (struct ui_out
*uiout
,
447 ui_out_begin (uiout
, ui_out_type_tuple
, id
);
448 return make_cleanup_ui_out_end (uiout
, ui_out_type_tuple
);
452 make_cleanup_ui_out_list_begin_end (struct ui_out
*uiout
,
455 ui_out_begin (uiout
, ui_out_type_list
, id
);
456 return make_cleanup_ui_out_end (uiout
, ui_out_type_list
);
460 ui_out_field_int (struct ui_out
*uiout
,
468 verify_field (uiout
, &fldno
, &width
, &align
);
470 uo_field_int (uiout
, fldno
, width
, align
, fldname
, value
);
474 ui_out_field_fmt_int (struct ui_out
*uiout
,
476 enum ui_align input_align
,
484 verify_field (uiout
, &fldno
, &width
, &align
);
486 uo_field_int (uiout
, fldno
, input_width
, input_align
, fldname
, value
);
489 /* Documented in ui-out.h. */
492 ui_out_field_core_addr (struct ui_out
*uiout
,
494 struct gdbarch
*gdbarch
,
497 ui_out_field_string (uiout
, fldname
,
498 print_core_address (gdbarch
, address
));
502 ui_out_field_stream (struct ui_out
*uiout
,
504 struct ui_file
*stream
)
507 char *buffer
= ui_file_xstrdup (stream
, &length
);
508 struct cleanup
*old_cleanup
= make_cleanup (xfree
, buffer
);
511 ui_out_field_string (uiout
, fldname
, buffer
);
513 ui_out_field_skip (uiout
, fldname
);
514 ui_file_rewind (stream
);
515 do_cleanups (old_cleanup
);
518 /* Used to omit a field. */
521 ui_out_field_skip (struct ui_out
*uiout
,
528 verify_field (uiout
, &fldno
, &width
, &align
);
530 uo_field_skip (uiout
, fldno
, width
, align
, fldname
);
534 ui_out_field_string (struct ui_out
*uiout
,
542 verify_field (uiout
, &fldno
, &width
, &align
);
544 uo_field_string (uiout
, fldno
, width
, align
, fldname
, string
);
549 ui_out_field_fmt (struct ui_out
*uiout
,
551 const char *format
, ...)
558 /* Will not align, but has to call anyway. */
559 verify_field (uiout
, &fldno
, &width
, &align
);
561 va_start (args
, format
);
563 uo_field_fmt (uiout
, fldno
, width
, align
, fldname
, format
, args
);
569 ui_out_spaces (struct ui_out
*uiout
, int numspaces
)
571 uo_spaces (uiout
, numspaces
);
575 ui_out_text (struct ui_out
*uiout
,
578 uo_text (uiout
, string
);
582 ui_out_message (struct ui_out
*uiout
, int verbosity
,
583 const char *format
,...)
587 va_start (args
, format
);
588 uo_message (uiout
, verbosity
, format
, args
);
593 ui_out_wrap_hint (struct ui_out
*uiout
, char *identstring
)
595 uo_wrap_hint (uiout
, identstring
);
599 ui_out_flush (struct ui_out
*uiout
)
605 ui_out_redirect (struct ui_out
*uiout
, struct ui_file
*outstream
)
607 return uo_redirect (uiout
, outstream
);
610 /* Set the flags specified by the mask given. */
612 ui_out_set_flags (struct ui_out
*uiout
, int mask
)
614 int oldflags
= uiout
->flags
;
616 uiout
->flags
|= mask
;
620 /* Clear the flags specified by the mask given. */
622 ui_out_clear_flags (struct ui_out
*uiout
, int mask
)
624 int oldflags
= uiout
->flags
;
626 uiout
->flags
&= ~mask
;
630 /* Test the flags against the mask given. */
632 ui_out_test_flags (struct ui_out
*uiout
, int mask
)
634 return (uiout
->flags
& mask
);
637 /* Obtain the current verbosity level (as stablished by the
638 'set verbositylevel' command. */
641 ui_out_get_verblvl (struct ui_out
*uiout
)
643 /* FIXME: not implemented yet. */
649 ui_out_result_begin (struct ui_out
*uiout
, char *class)
654 ui_out_result_end (struct ui_out
*uiout
)
659 ui_out_info_begin (struct ui_out
*uiout
, char *class)
664 ui_out_info_end (struct ui_out
*uiout
)
669 ui_out_notify_begin (struct ui_out
*uiout
, char *class)
674 ui_out_notify_end (struct ui_out
*uiout
)
679 ui_out_error_begin (struct ui_out
*uiout
, char *class)
684 ui_out_error_end (struct ui_out
*uiout
)
691 gdb_error (ui_out
* uiout
, int severity
, char *format
,...)
697 gdb_query (struct ui_out
*uiout
, int qflags
, char *qprompt
)
703 ui_out_is_mi_like_p (struct ui_out
*uiout
)
705 return uiout
->impl
->is_mi_like_p
;
708 /* Default gdb-out hook functions. */
711 default_table_begin (struct ui_out
*uiout
, int nbrofcols
,
718 default_table_body (struct ui_out
*uiout
)
723 default_table_end (struct ui_out
*uiout
)
728 default_table_header (struct ui_out
*uiout
, int width
, enum ui_align alignment
,
729 const char *col_name
,
735 default_begin (struct ui_out
*uiout
,
736 enum ui_out_type type
,
743 default_end (struct ui_out
*uiout
,
744 enum ui_out_type type
,
750 default_field_int (struct ui_out
*uiout
, int fldno
, int width
,
752 const char *fldname
, int value
)
757 default_field_skip (struct ui_out
*uiout
, int fldno
, int width
,
758 enum ui_align align
, const char *fldname
)
763 default_field_string (struct ui_out
*uiout
,
773 default_field_fmt (struct ui_out
*uiout
, int fldno
, int width
,
782 default_spaces (struct ui_out
*uiout
, int numspaces
)
787 default_text (struct ui_out
*uiout
, const char *string
)
792 default_message (struct ui_out
*uiout
, int verbosity
,
799 default_wrap_hint (struct ui_out
*uiout
, char *identstring
)
804 default_flush (struct ui_out
*uiout
)
808 /* Interface to the implementation functions. */
811 uo_table_begin (struct ui_out
*uiout
, int nbrofcols
,
815 if (!uiout
->impl
->table_begin
)
817 uiout
->impl
->table_begin (uiout
, nbrofcols
, nr_rows
, tblid
);
821 uo_table_body (struct ui_out
*uiout
)
823 if (!uiout
->impl
->table_body
)
825 uiout
->impl
->table_body (uiout
);
829 uo_table_end (struct ui_out
*uiout
)
831 if (!uiout
->impl
->table_end
)
833 uiout
->impl
->table_end (uiout
);
837 uo_table_header (struct ui_out
*uiout
, int width
, enum ui_align align
,
838 const char *col_name
,
841 if (!uiout
->impl
->table_header
)
843 uiout
->impl
->table_header (uiout
, width
, align
, col_name
, colhdr
);
847 uo_begin (struct ui_out
*uiout
,
848 enum ui_out_type type
,
852 if (uiout
->impl
->begin
== NULL
)
854 uiout
->impl
->begin (uiout
, type
, level
, id
);
858 uo_end (struct ui_out
*uiout
,
859 enum ui_out_type type
,
862 if (uiout
->impl
->end
== NULL
)
864 uiout
->impl
->end (uiout
, type
, level
);
868 uo_field_int (struct ui_out
*uiout
, int fldno
, int width
, enum ui_align align
,
872 if (!uiout
->impl
->field_int
)
874 uiout
->impl
->field_int (uiout
, fldno
, width
, align
, fldname
, value
);
878 uo_field_skip (struct ui_out
*uiout
, int fldno
, int width
, enum ui_align align
,
881 if (!uiout
->impl
->field_skip
)
883 uiout
->impl
->field_skip (uiout
, fldno
, width
, align
, fldname
);
887 uo_field_string (struct ui_out
*uiout
, int fldno
, int width
,
892 if (!uiout
->impl
->field_string
)
894 uiout
->impl
->field_string (uiout
, fldno
, width
, align
, fldname
, string
);
898 uo_field_fmt (struct ui_out
*uiout
, int fldno
, int width
, enum ui_align align
,
903 if (!uiout
->impl
->field_fmt
)
905 uiout
->impl
->field_fmt (uiout
, fldno
, width
, align
, fldname
, format
, args
);
909 uo_spaces (struct ui_out
*uiout
, int numspaces
)
911 if (!uiout
->impl
->spaces
)
913 uiout
->impl
->spaces (uiout
, numspaces
);
917 uo_text (struct ui_out
*uiout
,
920 if (!uiout
->impl
->text
)
922 uiout
->impl
->text (uiout
, string
);
926 uo_message (struct ui_out
*uiout
, int verbosity
,
930 if (!uiout
->impl
->message
)
932 uiout
->impl
->message (uiout
, verbosity
, format
, args
);
936 uo_wrap_hint (struct ui_out
*uiout
, char *identstring
)
938 if (!uiout
->impl
->wrap_hint
)
940 uiout
->impl
->wrap_hint (uiout
, identstring
);
944 uo_flush (struct ui_out
*uiout
)
946 if (!uiout
->impl
->flush
)
948 uiout
->impl
->flush (uiout
);
952 uo_redirect (struct ui_out
*uiout
, struct ui_file
*outstream
)
954 if (!uiout
->impl
->redirect
)
956 uiout
->impl
->redirect (uiout
, outstream
);
960 /* local functions */
962 /* List of column headers manipulation routines. */
965 clear_header_list (struct ui_out
*uiout
)
967 while (uiout
->table
.header_first
!= NULL
)
969 uiout
->table
.header_next
= uiout
->table
.header_first
;
970 uiout
->table
.header_first
= uiout
->table
.header_first
->next
;
971 if (uiout
->table
.header_next
->colhdr
!= NULL
)
972 xfree (uiout
->table
.header_next
->colhdr
);
973 xfree (uiout
->table
.header_next
);
975 gdb_assert (uiout
->table
.header_first
== NULL
);
976 uiout
->table
.header_last
= NULL
;
977 uiout
->table
.header_next
= NULL
;
981 append_header_to_list (struct ui_out
*uiout
,
984 const char *col_name
,
987 struct ui_out_hdr
*temphdr
;
989 temphdr
= XMALLOC (struct ui_out_hdr
);
990 temphdr
->width
= width
;
991 temphdr
->alignment
= alignment
;
992 /* We have to copy the column title as the original may be an
995 temphdr
->colhdr
= xstrdup (colhdr
);
997 temphdr
->colhdr
= NULL
;
999 if (col_name
!= NULL
)
1000 temphdr
->col_name
= xstrdup (col_name
);
1001 else if (colhdr
!= NULL
)
1002 temphdr
->col_name
= xstrdup (colhdr
);
1004 temphdr
->col_name
= NULL
;
1006 temphdr
->next
= NULL
;
1007 if (uiout
->table
.header_first
== NULL
)
1010 uiout
->table
.header_first
= temphdr
;
1011 uiout
->table
.header_last
= temphdr
;
1015 temphdr
->colno
= uiout
->table
.header_last
->colno
+ 1;
1016 uiout
->table
.header_last
->next
= temphdr
;
1017 uiout
->table
.header_last
= temphdr
;
1019 uiout
->table
.header_next
= uiout
->table
.header_last
;
1022 /* Extract the format information for the NEXT header and advance
1023 the header pointer. Return 0 if there was no next header. */
1026 get_next_header (struct ui_out
*uiout
,
1032 /* There may be no headers at all or we may have used all columns. */
1033 if (uiout
->table
.header_next
== NULL
)
1035 *colno
= uiout
->table
.header_next
->colno
;
1036 *width
= uiout
->table
.header_next
->width
;
1037 *alignment
= uiout
->table
.header_next
->alignment
;
1038 *colhdr
= uiout
->table
.header_next
->colhdr
;
1039 /* Advance the header pointer to the next entry. */
1040 uiout
->table
.header_next
= uiout
->table
.header_next
->next
;
1045 /* Verify that the field/tuple/list is correctly positioned. Return
1046 the field number and corresponding alignment (if
1047 available/applicable). */
1050 verify_field (struct ui_out
*uiout
, int *fldno
, int *width
, int *align
)
1052 struct ui_out_level
*current
= current_level (uiout
);
1055 if (uiout
->table
.flag
)
1057 if (!uiout
->table
.body_flag
)
1058 internal_error (__FILE__
, __LINE__
,
1059 _("table_body missing; table fields must be \
1060 specified after table_body and inside a list."));
1061 /* NOTE: cagney/2001-12-08: There was a check here to ensure
1062 that this code was only executed when uiout->level was
1063 greater than zero. That no longer applies - this code is run
1064 before each table row tuple is started and at that point the
1068 current
->field_count
+= 1;
1070 if (uiout
->table
.body_flag
1071 && uiout
->table
.entry_level
== uiout
->level
1072 && get_next_header (uiout
, fldno
, width
, align
, &text
))
1074 if (*fldno
!= current
->field_count
)
1075 internal_error (__FILE__
, __LINE__
,
1076 _("ui-out internal error in handling headers."));
1081 *align
= ui_noalign
;
1082 *fldno
= current
->field_count
;
1087 /* Access to ui-out members data. */
1090 ui_out_data (struct ui_out
*uiout
)
1095 /* Access table field parameters. */
1097 ui_out_query_field (struct ui_out
*uiout
, int colno
,
1098 int *width
, int *alignment
, char **col_name
)
1100 struct ui_out_hdr
*hdr
;
1102 if (!uiout
->table
.flag
)
1105 for (hdr
= uiout
->table
.header_first
; hdr
; hdr
= hdr
->next
)
1106 if (hdr
->colno
== colno
)
1108 *width
= hdr
->width
;
1109 *alignment
= hdr
->alignment
;
1110 *col_name
= hdr
->col_name
;
1117 /* Initalize private members at startup. */
1120 ui_out_new (struct ui_out_impl
*impl
, void *data
,
1123 struct ui_out
*uiout
= XMALLOC (struct ui_out
);
1127 uiout
->flags
= flags
;
1128 uiout
->table
.flag
= 0;
1129 uiout
->table
.body_flag
= 0;
1131 memset (uiout
->levels
, 0, sizeof (uiout
->levels
));
1132 uiout
->table
.header_first
= NULL
;
1133 uiout
->table
.header_last
= NULL
;
1134 uiout
->table
.header_next
= NULL
;
1138 /* Standard gdb initialization hook. */
1141 _initialize_ui_out (void)
1143 /* nothing needs to be done */