1 /* Output generating routines for GDB.
3 Copyright (C) 1999, 2000, 2001, 2002, 2004, 2005, 2007, 2008, 2009, 2010
4 Free Software Foundation, Inc.
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
*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
);
490 ui_out_field_core_addr (struct ui_out
*uiout
,
492 struct gdbarch
*gdbarch
,
496 int addr_bit
= gdbarch_addr_bit (gdbarch
);
498 if (addr_bit
< (sizeof (CORE_ADDR
) * HOST_CHAR_BIT
))
499 address
&= ((CORE_ADDR
) 1 << addr_bit
) - 1;
501 /* FIXME: cagney/2002-05-03: Need local_address_string() function
502 that returns the language localized string formatted to a width
503 based on gdbarch_addr_bit. */
505 strcpy (addstr
, hex_string_custom (address
, 8));
507 strcpy (addstr
, hex_string_custom (address
, 16));
509 ui_out_field_string (uiout
, fldname
, addstr
);
513 ui_out_field_stream (struct ui_out
*uiout
,
515 struct ui_stream
*buf
)
518 char *buffer
= ui_file_xstrdup (buf
->stream
, &length
);
519 struct cleanup
*old_cleanup
= make_cleanup (xfree
, buffer
);
522 ui_out_field_string (uiout
, fldname
, buffer
);
524 ui_out_field_skip (uiout
, fldname
);
525 ui_file_rewind (buf
->stream
);
526 do_cleanups (old_cleanup
);
529 /* used to ommit a field */
532 ui_out_field_skip (struct ui_out
*uiout
,
539 verify_field (uiout
, &fldno
, &width
, &align
);
541 uo_field_skip (uiout
, fldno
, width
, align
, fldname
);
545 ui_out_field_string (struct ui_out
*uiout
,
553 verify_field (uiout
, &fldno
, &width
, &align
);
555 uo_field_string (uiout
, fldno
, width
, align
, fldname
, string
);
560 ui_out_field_fmt (struct ui_out
*uiout
,
562 const char *format
, ...)
569 /* will not align, but has to call anyway */
570 verify_field (uiout
, &fldno
, &width
, &align
);
572 va_start (args
, format
);
574 uo_field_fmt (uiout
, fldno
, width
, align
, fldname
, format
, args
);
580 ui_out_spaces (struct ui_out
*uiout
, int numspaces
)
582 uo_spaces (uiout
, numspaces
);
586 ui_out_text (struct ui_out
*uiout
,
589 uo_text (uiout
, string
);
593 ui_out_message (struct ui_out
*uiout
, int verbosity
,
594 const char *format
,...)
598 va_start (args
, format
);
599 uo_message (uiout
, verbosity
, format
, args
);
604 ui_out_stream_new (struct ui_out
*uiout
)
606 struct ui_stream
*tempbuf
;
608 tempbuf
= XMALLOC (struct ui_stream
);
609 tempbuf
->uiout
= uiout
;
610 tempbuf
->stream
= mem_fileopen ();
615 ui_out_stream_delete (struct ui_stream
*buf
)
617 ui_file_delete (buf
->stream
);
622 do_stream_delete (void *buf
)
624 ui_out_stream_delete (buf
);
628 make_cleanup_ui_out_stream_delete (struct ui_stream
*buf
)
630 return make_cleanup (do_stream_delete
, buf
);
635 ui_out_wrap_hint (struct ui_out
*uiout
, char *identstring
)
637 uo_wrap_hint (uiout
, identstring
);
641 ui_out_flush (struct ui_out
*uiout
)
647 ui_out_redirect (struct ui_out
*uiout
, struct ui_file
*outstream
)
649 return uo_redirect (uiout
, outstream
);
652 /* set the flags specified by the mask given */
654 ui_out_set_flags (struct ui_out
*uiout
, int mask
)
656 int oldflags
= uiout
->flags
;
658 uiout
->flags
|= mask
;
662 /* clear the flags specified by the mask given */
664 ui_out_clear_flags (struct ui_out
*uiout
, int mask
)
666 int oldflags
= uiout
->flags
;
668 uiout
->flags
&= ~mask
;
672 /* test the flags against the mask given */
674 ui_out_test_flags (struct ui_out
*uiout
, int mask
)
676 return (uiout
->flags
& mask
);
679 /* obtain the current verbosity level (as stablished by the
680 'set verbositylevel' command */
683 ui_out_get_verblvl (struct ui_out
*uiout
)
685 /* FIXME: not implemented yet */
691 ui_out_result_begin (struct ui_out
*uiout
, char *class)
696 ui_out_result_end (struct ui_out
*uiout
)
701 ui_out_info_begin (struct ui_out
*uiout
, char *class)
706 ui_out_info_end (struct ui_out
*uiout
)
711 ui_out_notify_begin (struct ui_out
*uiout
, char *class)
716 ui_out_notify_end (struct ui_out
*uiout
)
721 ui_out_error_begin (struct ui_out
*uiout
, char *class)
726 ui_out_error_end (struct ui_out
*uiout
)
733 gdb_error (ui_out
* uiout
, int severity
, char *format
,...)
739 gdb_query (struct ui_out
*uiout
, int qflags
, char *qprompt
)
745 ui_out_is_mi_like_p (struct ui_out
*uiout
)
747 return uiout
->impl
->is_mi_like_p
;
750 /* default gdb-out hook functions */
753 default_table_begin (struct ui_out
*uiout
, int nbrofcols
,
760 default_table_body (struct ui_out
*uiout
)
765 default_table_end (struct ui_out
*uiout
)
770 default_table_header (struct ui_out
*uiout
, int width
, enum ui_align alignment
,
771 const char *col_name
,
777 default_begin (struct ui_out
*uiout
,
778 enum ui_out_type type
,
785 default_end (struct ui_out
*uiout
,
786 enum ui_out_type type
,
792 default_field_int (struct ui_out
*uiout
, int fldno
, int width
,
794 const char *fldname
, int value
)
799 default_field_skip (struct ui_out
*uiout
, int fldno
, int width
,
800 enum ui_align align
, const char *fldname
)
805 default_field_string (struct ui_out
*uiout
,
815 default_field_fmt (struct ui_out
*uiout
, int fldno
, int width
,
824 default_spaces (struct ui_out
*uiout
, int numspaces
)
829 default_text (struct ui_out
*uiout
, const char *string
)
834 default_message (struct ui_out
*uiout
, int verbosity
,
841 default_wrap_hint (struct ui_out
*uiout
, char *identstring
)
846 default_flush (struct ui_out
*uiout
)
850 /* Interface to the implementation functions */
853 uo_table_begin (struct ui_out
*uiout
, int nbrofcols
,
857 if (!uiout
->impl
->table_begin
)
859 uiout
->impl
->table_begin (uiout
, nbrofcols
, nr_rows
, tblid
);
863 uo_table_body (struct ui_out
*uiout
)
865 if (!uiout
->impl
->table_body
)
867 uiout
->impl
->table_body (uiout
);
871 uo_table_end (struct ui_out
*uiout
)
873 if (!uiout
->impl
->table_end
)
875 uiout
->impl
->table_end (uiout
);
879 uo_table_header (struct ui_out
*uiout
, int width
, enum ui_align align
,
880 const char *col_name
,
883 if (!uiout
->impl
->table_header
)
885 uiout
->impl
->table_header (uiout
, width
, align
, col_name
, colhdr
);
889 uo_begin (struct ui_out
*uiout
,
890 enum ui_out_type type
,
894 if (uiout
->impl
->begin
== NULL
)
896 uiout
->impl
->begin (uiout
, type
, level
, id
);
900 uo_end (struct ui_out
*uiout
,
901 enum ui_out_type type
,
904 if (uiout
->impl
->end
== NULL
)
906 uiout
->impl
->end (uiout
, type
, level
);
910 uo_field_int (struct ui_out
*uiout
, int fldno
, int width
, enum ui_align align
,
914 if (!uiout
->impl
->field_int
)
916 uiout
->impl
->field_int (uiout
, fldno
, width
, align
, fldname
, value
);
920 uo_field_skip (struct ui_out
*uiout
, int fldno
, int width
, enum ui_align align
,
923 if (!uiout
->impl
->field_skip
)
925 uiout
->impl
->field_skip (uiout
, fldno
, width
, align
, fldname
);
929 uo_field_string (struct ui_out
*uiout
, int fldno
, int width
,
934 if (!uiout
->impl
->field_string
)
936 uiout
->impl
->field_string (uiout
, fldno
, width
, align
, fldname
, string
);
940 uo_field_fmt (struct ui_out
*uiout
, int fldno
, int width
, enum ui_align align
,
945 if (!uiout
->impl
->field_fmt
)
947 uiout
->impl
->field_fmt (uiout
, fldno
, width
, align
, fldname
, format
, args
);
951 uo_spaces (struct ui_out
*uiout
, int numspaces
)
953 if (!uiout
->impl
->spaces
)
955 uiout
->impl
->spaces (uiout
, numspaces
);
959 uo_text (struct ui_out
*uiout
,
962 if (!uiout
->impl
->text
)
964 uiout
->impl
->text (uiout
, string
);
968 uo_message (struct ui_out
*uiout
, int verbosity
,
972 if (!uiout
->impl
->message
)
974 uiout
->impl
->message (uiout
, verbosity
, format
, args
);
978 uo_wrap_hint (struct ui_out
*uiout
, char *identstring
)
980 if (!uiout
->impl
->wrap_hint
)
982 uiout
->impl
->wrap_hint (uiout
, identstring
);
986 uo_flush (struct ui_out
*uiout
)
988 if (!uiout
->impl
->flush
)
990 uiout
->impl
->flush (uiout
);
994 uo_redirect (struct ui_out
*uiout
, struct ui_file
*outstream
)
996 if (!uiout
->impl
->redirect
)
998 uiout
->impl
->redirect (uiout
, outstream
);
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
1037 temphdr
->colhdr
= xstrdup (colhdr
);
1039 temphdr
->colhdr
= NULL
;
1041 if (col_name
!= NULL
)
1042 temphdr
->col_name
= xstrdup (col_name
);
1043 else if (colhdr
!= NULL
)
1044 temphdr
->col_name
= xstrdup (colhdr
);
1046 temphdr
->col_name
= NULL
;
1048 temphdr
->next
= NULL
;
1049 if (uiout
->table
.header_first
== NULL
)
1052 uiout
->table
.header_first
= temphdr
;
1053 uiout
->table
.header_last
= temphdr
;
1057 temphdr
->colno
= uiout
->table
.header_last
->colno
+ 1;
1058 uiout
->table
.header_last
->next
= temphdr
;
1059 uiout
->table
.header_last
= temphdr
;
1061 uiout
->table
.header_next
= uiout
->table
.header_last
;
1064 /* Extract the format information for the NEXT header and and advance
1065 the header pointer. Return 0 if there was no next header. */
1068 get_next_header (struct ui_out
*uiout
,
1074 /* There may be no headers at all or we may have used all columns. */
1075 if (uiout
->table
.header_next
== NULL
)
1077 *colno
= uiout
->table
.header_next
->colno
;
1078 *width
= uiout
->table
.header_next
->width
;
1079 *alignment
= uiout
->table
.header_next
->alignment
;
1080 *colhdr
= uiout
->table
.header_next
->colhdr
;
1081 /* Advance the header pointer to the next entry. */
1082 uiout
->table
.header_next
= uiout
->table
.header_next
->next
;
1087 /* Verify that the field/tuple/list is correctly positioned. Return
1088 the field number and corresponding alignment (if
1089 available/applicable). */
1092 verify_field (struct ui_out
*uiout
, int *fldno
, int *width
, int *align
)
1094 struct ui_out_level
*current
= current_level (uiout
);
1097 if (uiout
->table
.flag
)
1099 if (!uiout
->table
.body_flag
)
1100 internal_error (__FILE__
, __LINE__
,
1101 _("table_body missing; table fields must be \
1102 specified after table_body and inside a list."));
1103 /* NOTE: cagney/2001-12-08: There was a check here to ensure
1104 that this code was only executed when uiout->level was
1105 greater than zero. That no longer applies - this code is run
1106 before each table row tuple is started and at that point the
1110 current
->field_count
+= 1;
1112 if (uiout
->table
.body_flag
1113 && uiout
->table
.entry_level
== uiout
->level
1114 && get_next_header (uiout
, fldno
, width
, align
, &text
))
1116 if (*fldno
!= current
->field_count
)
1117 internal_error (__FILE__
, __LINE__
,
1118 _("ui-out internal error in handling headers."));
1123 *align
= ui_noalign
;
1124 *fldno
= current
->field_count
;
1129 /* access to ui_out format private members */
1132 ui_out_get_field_separator (struct ui_out
*uiout
)
1136 /* Access to ui-out members data */
1139 ui_out_data (struct ui_out
*uiout
)
1144 /* initalize private members at startup */
1147 ui_out_new (struct ui_out_impl
*impl
, void *data
,
1150 struct ui_out
*uiout
= XMALLOC (struct ui_out
);
1154 uiout
->flags
= flags
;
1155 uiout
->table
.flag
= 0;
1156 uiout
->table
.body_flag
= 0;
1158 memset (uiout
->levels
, 0, sizeof (uiout
->levels
));
1159 uiout
->table
.header_first
= NULL
;
1160 uiout
->table
.header_last
= NULL
;
1161 uiout
->table
.header_next
= NULL
;
1165 /* standard gdb initialization hook */
1168 _initialize_ui_out (void)
1170 /* nothing needs to be done */